diff options
Diffstat (limited to 'ext/socket')
| -rw-r--r-- | ext/socket/.cvsignore | 5 | ||||
| -rw-r--r-- | ext/socket/.document | 17 | ||||
| -rw-r--r-- | ext/socket/addrinfo.h | 80 | ||||
| -rw-r--r-- | ext/socket/ancdata.c | 735 | ||||
| -rw-r--r-- | ext/socket/basicsocket.c | 393 | ||||
| -rw-r--r-- | ext/socket/constants.c | 16 | ||||
| -rw-r--r-- | ext/socket/depend | 3269 | ||||
| -rw-r--r-- | ext/socket/extconf.rb | 757 | ||||
| -rw-r--r-- | ext/socket/getaddrinfo.c | 928 | ||||
| -rw-r--r-- | ext/socket/getnameinfo.c | 265 | ||||
| -rw-r--r-- | ext/socket/ifaddr.c | 480 | ||||
| -rw-r--r-- | ext/socket/init.c | 862 | ||||
| -rw-r--r-- | ext/socket/ipsocket.c | 1592 | ||||
| -rw-r--r-- | ext/socket/lib/socket.rb | 1284 | ||||
| -rw-r--r-- | ext/socket/mkconstants.rb | 941 | ||||
| -rw-r--r-- | ext/socket/option.c | 929 | ||||
| -rw-r--r-- | ext/socket/raddrinfo.c | 1865 | ||||
| -rw-r--r-- | ext/socket/rubysocket.h | 460 | ||||
| -rw-r--r-- | ext/socket/socket.c | 1765 | ||||
| -rw-r--r-- | ext/socket/sockport.h | 86 | ||||
| -rw-r--r-- | ext/socket/sockssocket.c | 43 | ||||
| -rw-r--r-- | ext/socket/tcpserver.c | 126 | ||||
| -rw-r--r-- | ext/socket/tcpsocket.c | 105 | ||||
| -rw-r--r-- | ext/socket/udpsocket.c | 237 | ||||
| -rw-r--r-- | ext/socket/unixserver.c | 94 | ||||
| -rw-r--r-- | ext/socket/unixsocket.c | 329 |
26 files changed, 13593 insertions, 4070 deletions
diff --git a/ext/socket/.cvsignore b/ext/socket/.cvsignore deleted file mode 100644 index ce98586d91..0000000000 --- a/ext/socket/.cvsignore +++ /dev/null @@ -1,5 +0,0 @@ -Makefile -mkmf.log -*.def -constants.h -extconf.h diff --git a/ext/socket/.document b/ext/socket/.document new file mode 100644 index 0000000000..53cfac0b10 --- /dev/null +++ b/ext/socket/.document @@ -0,0 +1,17 @@ +ancdata.c +basicsocket.c +constants.c +constdefs.c +ifaddr.c +init.c +ipsocket.c +option.c +raddrinfo.c +socket.c +sockssocket.c +tcpserver.c +tcpsocket.c +udpsocket.c +unixserver.c +unixsocket.c +lib diff --git a/ext/socket/addrinfo.h b/ext/socket/addrinfo.h index 171d3c2ce7..eb9eb8ae0e 100644 --- a/ext/socket/addrinfo.h +++ b/ext/socket/addrinfo.h @@ -1,7 +1,7 @@ /* * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -13,7 +13,7 @@ * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -29,7 +29,6 @@ #ifndef ADDR_INFO_H #define ADDR_INFO_H -#ifndef HAVE_GETADDRINFO /* special compatibility hack */ #undef EAI_ADDRFAMILY @@ -62,17 +61,6 @@ #undef NI_NUMERICSERV #undef NI_DGRAM -#undef addrinfo -#define addrinfo addrinfo__compat -#undef getaddrinfo -#define getaddrinfo getaddrinfo__compat -#undef getnameinfo -#define getnameinfo getnameinfo__compat -#undef freehostent -#define freehostent freehostent__compat -#undef freeaddrinfo -#define freeaddrinfo freeaddrinfo__compat - #ifndef __P # ifdef HAVE_PROTOTYPES # define __P(args) args @@ -111,6 +99,7 @@ #define AI_NUMERICSERV 0x00000008 /* prevent service name resolution */ /* valid flags for addrinfo */ #ifndef __HAIKU__ +#undef AI_MASK #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV) #endif @@ -138,39 +127,57 @@ #define NI_NUMERICSERV 0x00000008 #define NI_DGRAM 0x00000010 +#ifndef HAVE_TYPE_STRUCT_ADDRINFO struct addrinfo { - int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ - int ai_family; /* PF_xxx */ - int ai_socktype; /* SOCK_xxx */ - int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ - size_t ai_addrlen; /* length of ai_addr */ - char *ai_canonname; /* canonical name for hostname */ - struct sockaddr *ai_addr; /* binary address */ - struct addrinfo *ai_next; /* next structure in linked list */ + int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ + int ai_family; /* PF_xxx */ + int ai_socktype; /* SOCK_xxx */ + int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ + size_t ai_addrlen; /* length of ai_addr */ + char *ai_canonname; /* canonical name for hostname */ + struct sockaddr *ai_addr; /* binary address */ + struct addrinfo *ai_next; /* next structure in linked list */ }; +#endif + +#ifndef HAVE_GETADDRINFO +#undef getaddrinfo +#define getaddrinfo getaddrinfo__compat +#endif +#ifndef HAVE_GETNAMEINFO +#undef getnameinfo +#define getnameinfo getnameinfo__compat +#endif +#ifndef HAVE_FREEHOSTENT +#undef freehostent +#define freehostent freehostent__compat +#endif +#ifndef HAVE_FREEADDRINFO +#undef freeaddrinfo +#define freeaddrinfo freeaddrinfo__compat +#endif extern int getaddrinfo __P(( - const char *hostname, const char *servname, - const struct addrinfo *hints, - struct addrinfo **res)); + const char *hostname, const char *servname, + const struct addrinfo *hints, + struct addrinfo **res)); extern int getnameinfo __P(( - const struct sockaddr *sa, - size_t salen, - char *host, - size_t hostlen, - char *serv, - size_t servlen, - int flags)); + const struct sockaddr *sa, + socklen_t salen, + char *host, + socklen_t hostlen, + char *serv, + socklen_t servlen, + int flags)); extern void freehostent __P((struct hostent *)); extern void freeaddrinfo __P((struct addrinfo *)); -#if defined __UCLIBC__ +extern +#ifdef GAI_STRERROR_CONST const #endif -#ifndef __HAIKU__ -extern char *gai_strerror __P((int)); -#endif +char *gai_strerror __P((int)); /* In case there is no definition of offsetof() provided - though any proper Standard C system should have one. */ @@ -180,4 +187,3 @@ Standard C system should have one. */ #endif #endif -#endif diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c index 8714add1d4..f1e9e42524 100644 --- a/ext/socket/ancdata.c +++ b/ext/socket/ancdata.c @@ -2,7 +2,9 @@ #include <time.h> -#if defined(HAVE_ST_MSG_CONTROL) +static VALUE sym_wait_readable, sym_wait_writable; + +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) static VALUE rb_cAncillaryData; static VALUE @@ -65,7 +67,7 @@ ip_cmsg_type_to_sym(int level, int cmsg_type) * p Socket::AncillaryData.new(:INET, :TCP, :NODELAY, "") * #=> #<Socket::AncillaryData: INET TCP NODELAY ""> * - * p Socket::AncillaryData.new(:INET6, :IPV6, :PKTINFO, "") + * p Socket::AncillaryData.new(:INET6, :IPV6, :PKTINFO, "") * #=> #<Socket::AncillaryData: INET6 IPV6 PKTINFO ""> * */ @@ -86,10 +88,9 @@ ancillary_initialize(VALUE self, VALUE vfamily, VALUE vlevel, VALUE vtype, VALUE static VALUE ancdata_new(int family, int level, int type, VALUE data) { - NEWOBJ(obj, struct RObject); - OBJSETUP(obj, rb_cAncillaryData, T_OBJECT); + VALUE obj = rb_obj_alloc(rb_cAncillaryData); StringValue(data); - ancillary_initialize((VALUE)obj, INT2NUM(family), INT2NUM(level), INT2NUM(type), data); + ancillary_initialize(obj, INT2NUM(family), INT2NUM(level), INT2NUM(type), data); return (VALUE)obj; } @@ -196,7 +197,7 @@ ancillary_s_unix_rights(int argc, VALUE *argv, VALUE klass) for (i = 0 ; i < argc; i++) { VALUE obj = argv[i]; - if (TYPE(obj) != T_FILE) { + if (!RB_TYPE_P(obj, T_FILE)) { rb_raise(rb_eTypeError, "IO expected"); } rb_ary_push(ary, obj); @@ -205,7 +206,7 @@ ancillary_s_unix_rights(int argc, VALUE *argv, VALUE klass) str = rb_str_buf_new(sizeof(int) * argc); for (i = 0 ; i < argc; i++) { - VALUE obj = RARRAY_PTR(ary)[i]; + VALUE obj = RARRAY_AREF(ary, i); rb_io_t *fptr; int fd; GetOpenFile(obj, fptr); @@ -228,7 +229,7 @@ ancillary_s_unix_rights(int argc, VALUE *argv, VALUE klass) * * returns the array of IO objects for SCM_RIGHTS control message in UNIX domain socket. * - * The class of the IO objects in the array is IO or Socket. + * The class of the IO objects in the array is IO or Socket. * * The array is attached to _ancillarydata_ when it is instantiated. * For example, BasicSocket#recvmsg attach the array when @@ -237,15 +238,16 @@ ancillary_s_unix_rights(int argc, VALUE *argv, VALUE klass) * # recvmsg needs :scm_rights=>true for unix_rights * s1, s2 = UNIXSocket.pair * p s1 #=> #<UNIXSocket:fd 3> - * s1.sendmsg "stdin and a socket", 0, nil, [:SOCKET, :RIGHTS, [0,s1.fileno].pack("ii")] + * s1.sendmsg "stdin and a socket", 0, nil, Socket::AncillaryData.unix_rights(STDIN, s1) * _, _, _, ctl = s2.recvmsg(:scm_rights=>true) + * p ctl #=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 6 7> * p ctl.unix_rights #=> [#<IO:fd 6>, #<Socket:fd 7>] * p File.identical?(STDIN, ctl.unix_rights[0]) #=> true * p File.identical?(s1, ctl.unix_rights[1]) #=> true * * # If :scm_rights=>true is not given, unix_rights returns nil * s1, s2 = UNIXSocket.pair - * s1.sendmsg "stdin and a socket", 0, nil, [:SOCKET, :RIGHTS, [0,s1.fileno].pack("ii")] + * s1.sendmsg "stdin and a socket", 0, nil, Socket::AncillaryData.unix_rights(STDIN, s1) * _, _, _, ctl = s2.recvmsg * p ctl #=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 6 7> * p ctl.unix_rights #=> nil @@ -262,8 +264,7 @@ ancillary_unix_rights(VALUE self) if (level != SOL_SOCKET || type != SCM_RIGHTS) rb_raise(rb_eTypeError, "SCM_RIGHTS ancillary data expected"); - VALUE v = rb_attr_get(self, rb_intern("unix_rights")); - return v; + return rb_attr_get(self, rb_intern("unix_rights")); } #else #define ancillary_unix_rights rb_f_notimplement @@ -277,8 +278,8 @@ ancillary_unix_rights(VALUE self) * returns the timestamp as a time object. * * _ancillarydata_ should be one of following type: - * - SOL_SOCKET/SCM_TIMESTAMP (micro second) GNU/Linux, FreeBSD, NetBSD, OpenBSD, Solaris, MacOS X - * - SOL_SOCKET/SCM_TIMESTAMPNS (nano second) GNU/Linux + * - SOL_SOCKET/SCM_TIMESTAMP (microsecond) GNU/Linux, FreeBSD, NetBSD, OpenBSD, Solaris, MacOS X + * - SOL_SOCKET/SCM_TIMESTAMPNS (nanosecond) GNU/Linux * - SOL_SOCKET/SCM_BINTIME (2**(-64) second) FreeBSD * * Addrinfo.udp("127.0.0.1", 0).bind {|s1| @@ -332,11 +333,11 @@ ancillary_timestamp(VALUE self) if (level == SOL_SOCKET && type == SCM_BINTIME && RSTRING_LEN(data) == sizeof(struct bintime)) { struct bintime bt; - VALUE d, timev; + VALUE d, timev; memcpy((char*)&bt, RSTRING_PTR(data), sizeof(bt)); - d = ULL2NUM(0x100000000UL); - d = mul(d,d); - timev = add(TIMET2NUM(bt.sec), quo(ULL2NUM(bt.frac), d)); + d = ULL2NUM(0x100000000ULL); + d = mul(d,d); + timev = add(TIMET2NUM(bt.sec), quo(ULL2NUM(bt.frac), d)); result = rb_time_num_new(timev, Qnil); } # endif @@ -356,7 +357,9 @@ ancillary_timestamp(VALUE self) * * Creates a new Socket::AncillaryData object which contains a int as data. * - * The size and endian is dependent on the host. + * The size and endian is dependent on the host. + * + * require 'socket' * * p Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, STDERR.fileno) * #=> #<Socket::AncillaryData: UNIX SOCKET RIGHTS 2> @@ -377,7 +380,7 @@ ancillary_s_int(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE vtype, VALUE int * * Returns the data in _ancillarydata_ as an int. * - * The size and endian is dependent on the host. + * The size and endian is dependent on the host. * * ancdata = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, STDERR.fileno) * p ancdata.int #=> 2 @@ -394,7 +397,7 @@ ancillary_int(VALUE self) return INT2NUM(i); } -#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_TYPE_STRUCT_IN_PKTINFO) && defined(HAVE_IPI_SPEC_DST) /* GNU/Linux */ +#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_STRUCT_IN_PKTINFO_IPI_SPEC_DST) /* GNU/Linux */ /* * call-seq: * Socket::AncillaryData.ip_pktinfo(addr, ifindex) => ancdata @@ -458,7 +461,7 @@ ancillary_s_ip_pktinfo(int argc, VALUE *argv, VALUE self) #define ancillary_s_ip_pktinfo rb_f_notimplement #endif -#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_TYPE_STRUCT_IN_PKTINFO) && defined(HAVE_IPI_SPEC_DST) /* GNU/Linux */ +#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_STRUCT_IN_PKTINFO_IPI_SPEC_DST) /* GNU/Linux */ /* * call-seq: * ancdata.ip_pktinfo => [addr, ifindex, spec_dst] @@ -574,9 +577,7 @@ extract_ipv6_pktinfo(VALUE self, struct in6_pktinfo *pktinfo_ptr, struct sockadd memcpy(pktinfo_ptr, RSTRING_PTR(data), sizeof(*pktinfo_ptr)); - memset(sa_ptr, 0, sizeof(*sa_ptr)); - SET_SA_LEN((struct sockaddr *)sa_ptr, sizeof(struct sockaddr_in6)); - sa_ptr->sin6_family = AF_INET6; + INIT_SOCKADDR((struct sockaddr *)sa_ptr, AF_INET6, sizeof(*sa_ptr)); memcpy(&sa_ptr->sin6_addr, &pktinfo_ptr->ipi6_addr, sizeof(sa_ptr->sin6_addr)); if (IN6_IS_ADDR_LINKLOCAL(&sa_ptr->sin6_addr)) sa_ptr->sin6_scope_id = pktinfo_ptr->ipi6_ifindex; @@ -592,7 +593,7 @@ extract_ipv6_pktinfo(VALUE self, struct in6_pktinfo *pktinfo_ptr, struct sockadd * * IPV6_PKTINFO is defined by RFC 3542. * - * addr = Addrinfo.ip("::1") + * addr = Addrinfo.ip("::1") * ifindex = 0 * ancdata = Socket::AncillaryData.ipv6_pktinfo(addr, ifindex) * p ancdata.ipv6_pktinfo #=> [#<Addrinfo: ::1>, 0] @@ -606,7 +607,7 @@ ancillary_ipv6_pktinfo(VALUE self) VALUE v_addr; extract_ipv6_pktinfo(self, &pktinfo, &sa); - v_addr = rsock_addrinfo_new((struct sockaddr *)&sa, sizeof(sa), PF_INET6, 0, 0, Qnil, Qnil); + v_addr = rsock_addrinfo_new((struct sockaddr *)&sa, (socklen_t)sizeof(sa), PF_INET6, 0, 0, Qnil, Qnil); return rb_ary_new3(2, v_addr, UINT2NUM(pktinfo.ipi6_ifindex)); } #else @@ -634,7 +635,7 @@ ancillary_ipv6_pktinfo_addr(VALUE self) struct in6_pktinfo pktinfo; struct sockaddr_in6 sa; extract_ipv6_pktinfo(self, &pktinfo, &sa); - return rsock_addrinfo_new((struct sockaddr *)&sa, sizeof(sa), PF_INET6, 0, 0, Qnil, Qnil); + return rsock_addrinfo_new((struct sockaddr *)&sa, (socklen_t)sizeof(sa), PF_INET6, 0, 0, Qnil, Qnil); } #else #define ancillary_ipv6_pktinfo_addr rb_f_notimplement @@ -696,7 +697,7 @@ anc_inspect_passcred_credentials(int level, int type, VALUE data, VALUE ret) struct ucred cred; memcpy(&cred, RSTRING_PTR(data), sizeof(struct ucred)); rb_str_catf(ret, " pid=%u uid=%u gid=%u", cred.pid, cred.uid, cred.gid); - rb_str_cat2(ret, " (ucred)"); + rb_str_cat2(ret, " (ucred)"); return 1; } else { @@ -711,7 +712,7 @@ static int anc_inspect_socket_creds(int level, int type, VALUE data, VALUE ret) { if (level != SOL_SOCKET && type != SCM_CREDS) - return 0; + return 0; /* * FreeBSD has struct cmsgcred and struct sockcred. @@ -726,46 +727,46 @@ anc_inspect_socket_creds(int level, int type, VALUE data, VALUE ret) #if defined(HAVE_TYPE_STRUCT_CMSGCRED) /* FreeBSD */ if (RSTRING_LEN(data) == sizeof(struct cmsgcred)) { - struct cmsgcred cred; + struct cmsgcred cred; memcpy(&cred, RSTRING_PTR(data), sizeof(struct cmsgcred)); rb_str_catf(ret, " pid=%u", cred.cmcred_pid); rb_str_catf(ret, " uid=%u", cred.cmcred_uid); rb_str_catf(ret, " euid=%u", cred.cmcred_euid); rb_str_catf(ret, " gid=%u", cred.cmcred_gid); - if (cred.cmcred_ngroups) { - int i; - const char *sep = " groups="; - for (i = 0; i < cred.cmcred_ngroups; i++) { - rb_str_catf(ret, "%s%u", sep, cred.cmcred_groups[i]); - sep = ","; - } - } - rb_str_cat2(ret, " (cmsgcred)"); + if (cred.cmcred_ngroups) { + int i; + const char *sep = " groups="; + for (i = 0; i < cred.cmcred_ngroups; i++) { + rb_str_catf(ret, "%s%u", sep, cred.cmcred_groups[i]); + sep = ","; + } + } + rb_str_cat2(ret, " (cmsgcred)"); return 1; } #endif #if defined(HAVE_TYPE_STRUCT_SOCKCRED) /* FreeBSD, NetBSD */ if ((size_t)RSTRING_LEN(data) >= SOCKCREDSIZE(0)) { - struct sockcred cred0, *cred; + struct sockcred cred0, *cred; memcpy(&cred0, RSTRING_PTR(data), SOCKCREDSIZE(0)); - if ((size_t)RSTRING_LEN(data) == SOCKCREDSIZE(cred0.sc_ngroups)) { - cred = (struct sockcred *)ALLOCA_N(char, SOCKCREDSIZE(cred0.sc_ngroups)); - memcpy(cred, RSTRING_PTR(data), SOCKCREDSIZE(cred0.sc_ngroups)); - rb_str_catf(ret, " uid=%u", cred->sc_uid); - rb_str_catf(ret, " euid=%u", cred->sc_euid); - rb_str_catf(ret, " gid=%u", cred->sc_gid); - rb_str_catf(ret, " egid=%u", cred->sc_egid); - if (cred0.sc_ngroups) { - int i; - const char *sep = " groups="; - for (i = 0; i < cred0.sc_ngroups; i++) { - rb_str_catf(ret, "%s%u", sep, cred->sc_groups[i]); - sep = ","; - } - } - rb_str_cat2(ret, " (sockcred)"); - return 1; - } + if ((size_t)RSTRING_LEN(data) == SOCKCREDSIZE(cred0.sc_ngroups)) { + cred = (struct sockcred *)ALLOCA_N(char, SOCKCREDSIZE(cred0.sc_ngroups)); + memcpy(cred, RSTRING_PTR(data), SOCKCREDSIZE(cred0.sc_ngroups)); + rb_str_catf(ret, " uid=%u", cred->sc_uid); + rb_str_catf(ret, " euid=%u", cred->sc_euid); + rb_str_catf(ret, " gid=%u", cred->sc_gid); + rb_str_catf(ret, " egid=%u", cred->sc_egid); + if (cred0.sc_ngroups) { + int i; + const char *sep = " groups="; + for (i = 0; i < cred0.sc_ngroups; i++) { + rb_str_catf(ret, "%s%u", sep, cred->sc_groups[i]); + sep = ","; + } + } + rb_str_cat2(ret, " (sockcred)"); + return 1; + } } #endif return 0; @@ -778,10 +779,10 @@ anc_inspect_ip_recvdstaddr(int level, int type, VALUE data, VALUE ret) { if (level == IPPROTO_IP && type == IP_RECVDSTADDR && RSTRING_LEN(data) == sizeof(struct in_addr)) { - struct in_addr addr; + struct in_addr addr; char addrbuf[INET_ADDRSTRLEN]; memcpy(&addr, RSTRING_PTR(data), sizeof(addr)); - if (inet_ntop(AF_INET, &addr, addrbuf, sizeof(addrbuf)) == NULL) + if (inet_ntop(AF_INET, &addr, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) rb_str_cat2(ret, " invalid-address"); else rb_str_catf(ret, " %s", addrbuf); @@ -793,7 +794,7 @@ anc_inspect_ip_recvdstaddr(int level, int type, VALUE data, VALUE ret) } #endif -#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_TYPE_STRUCT_IN_PKTINFO) && defined(HAVE_IPI_SPEC_DST) /* GNU/Linux */ +#if defined(IPPROTO_IP) && defined(IP_PKTINFO) && defined(HAVE_STRUCT_IN_PKTINFO_IPI_SPEC_DST) /* GNU/Linux */ static int anc_inspect_ip_pktinfo(int level, int type, VALUE data, VALUE ret) { @@ -829,12 +830,12 @@ anc_inspect_ipv6_pktinfo(int level, int type, VALUE data, VALUE ret) if (level == IPPROTO_IPV6 && type == IPV6_PKTINFO && RSTRING_LEN(data) == sizeof(struct in6_pktinfo)) { struct in6_pktinfo *pktinfo = (struct in6_pktinfo *)RSTRING_PTR(data); - struct in6_addr addr; + struct in6_addr addr; unsigned int ifindex; char addrbuf[INET6_ADDRSTRLEN], ifbuf[IFNAMSIZ]; memcpy(&addr, &pktinfo->ipi6_addr, sizeof(addr)); memcpy(&ifindex, &pktinfo->ipi6_ifindex, sizeof(ifindex)); - if (inet_ntop(AF_INET6, &addr, addrbuf, sizeof(addrbuf)) == NULL) + if (inet_ntop(AF_INET6, &addr, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) rb_str_cat2(ret, " invalid-address"); else rb_str_catf(ret, " %s", addrbuf); @@ -850,6 +851,12 @@ anc_inspect_ipv6_pktinfo(int level, int type, VALUE data, VALUE ret) } #endif +#ifdef HAVE_GMTIME_R +# define LOCALTIME(time, tm) localtime_r(&(time), &(tm)) +#else +# define LOCALTIME(time, tm) ((tm) = *localtime(&(time))) +#endif + #if defined(SCM_TIMESTAMP) /* GNU/Linux, FreeBSD, NetBSD, OpenBSD, MacOS X, Solaris */ static int inspect_timeval_as_abstime(int level, int optname, VALUE data, VALUE ret) @@ -861,7 +868,7 @@ inspect_timeval_as_abstime(int level, int optname, VALUE data, VALUE ret) char buf[32]; memcpy((char*)&tv, RSTRING_PTR(data), sizeof(tv)); time = tv.tv_sec; - tm = *localtime(&time); + LOCALTIME(time, tm); strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &tm); rb_str_catf(ret, " %s.%06ld", buf, (long)tv.tv_usec); return 1; @@ -881,7 +888,7 @@ inspect_timespec_as_abstime(int level, int optname, VALUE data, VALUE ret) struct tm tm; char buf[32]; memcpy((char*)&ts, RSTRING_PTR(data), sizeof(ts)); - tm = *localtime(&ts.tv_sec); + LOCALTIME(ts.tv_sec, tm); strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &tm); rb_str_catf(ret, " %s.%09ld", buf, (long)ts.tv_nsec); return 1; @@ -899,37 +906,37 @@ inspect_bintime_as_abstime(int level, int optname, VALUE data, VALUE ret) if (RSTRING_LEN(data) == sizeof(struct bintime)) { struct bintime bt; struct tm tm; - uint64_t frac_h, frac_l; - uint64_t scale_h, scale_l; - uint64_t tmp1, tmp2; - uint64_t res_h, res_l; + uint64_t frac_h, frac_l; + uint64_t scale_h, scale_l; + uint64_t tmp1, tmp2; + uint64_t res_h, res_l; char buf[32]; memcpy((char*)&bt, RSTRING_PTR(data), sizeof(bt)); - tm = *localtime(&bt.sec); + LOCALTIME(bt.sec, tm); strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &tm); - /* res_h = frac * 10**19 / 2**64 */ + /* res_h = frac * 10**19 / 2**64 */ - frac_h = bt.frac >> 32; - frac_l = bt.frac & 0xffffffff; + frac_h = bt.frac >> 32; + frac_l = bt.frac & 0xffffffff; - scale_h = 0x8ac72304; /* 0x8ac7230489e80000 == 10**19 */ - scale_l = 0x89e80000; + scale_h = 0x8ac72304; /* 0x8ac7230489e80000 == 10**19 */ + scale_l = 0x89e80000; - res_h = frac_h * scale_h; - res_l = frac_l * scale_l; + res_h = frac_h * scale_h; + res_l = frac_l * scale_l; - tmp1 = frac_h * scale_l; - res_h += tmp1 >> 32; - tmp2 = res_l; - res_l += tmp1 & 0xffffffff; - if (res_l < tmp2) res_h++; + tmp1 = frac_h * scale_l; + res_h += tmp1 >> 32; + tmp2 = res_l; + res_l += tmp1 & 0xffffffff; + if (res_l < tmp2) res_h++; - tmp1 = frac_l * scale_h; - res_h += tmp1 >> 32; - tmp2 = res_l; - res_l += tmp1 & 0xffffffff; - if (res_l < tmp2) res_h++; + tmp1 = frac_l * scale_h; + res_h += tmp1 >> 32; + tmp2 = res_l; + res_l += tmp1 & 0xffffffff; + if (res_l < tmp2) res_h++; rb_str_catf(ret, " %s.%019"PRIu64, buf, res_h); return 1; @@ -990,7 +997,7 @@ ancillary_inspect(VALUE self) vtype = ip_cmsg_type_to_sym(level, type); if (SYMBOL_P(vtype)) - rb_str_catf(ret, " %s", rb_id2name(SYM2ID(vtype))); + rb_str_catf(ret, " %"PRIsVALUE, rb_sym2str(vtype)); else rb_str_catf(ret, " cmsg_type:%d", type); } @@ -1033,7 +1040,7 @@ ancillary_inspect(VALUE self) # endif } break; - + case AF_INET: #ifdef INET6 case AF_INET6: @@ -1045,7 +1052,7 @@ ancillary_inspect(VALUE self) # if defined(IP_RECVDSTADDR) /* 4.4BSD */ case IP_RECVDSTADDR: inspected = anc_inspect_ip_recvdstaddr(level, type, data, ret); break; # endif -# if defined(IP_PKTINFO) && defined(HAVE_TYPE_STRUCT_IN_PKTINFO) && defined(HAVE_IPI_SPEC_DST) /* GNU/Linux */ +# if defined(IP_PKTINFO) && defined(HAVE_STRUCT_IN_PKTINFO_IPI_SPEC_DST) /* GNU/Linux */ case IP_PKTINFO: inspected = anc_inspect_ip_pktinfo(level, type, data, ret); break; # endif } @@ -1055,7 +1062,7 @@ ancillary_inspect(VALUE self) # if defined(IPPROTO_IPV6) case IPPROTO_IPV6: switch (type) { -# if defined(IPV6_PKTINFO) /* RFC 3542 */ +# if defined(IPV6_PKTINFO) && defined(HAVE_TYPE_STRUCT_IN6_PKTINFO) /* RFC 3542 */ case IPV6_PKTINFO: inspected = anc_inspect_ipv6_pktinfo(level, type, data, ret); break; # endif } @@ -1066,8 +1073,8 @@ ancillary_inspect(VALUE self) } if (!inspected) { - data = rb_str_dump(data); - rb_str_catf(ret, " %s", StringValueCStr(data)); + rb_str_cat2(ret, " "); + rb_str_append(ret, rb_str_dump(data)); } rb_str_cat2(ret, ">"); @@ -1106,15 +1113,15 @@ ancillary_cmsg_is_p(VALUE self, VALUE vlevel, VALUE vtype) #if defined(HAVE_SENDMSG) struct sendmsg_args_struct { int fd; - const struct msghdr *msg; int flags; + const struct msghdr *msg; }; -static VALUE +static void * nogvl_sendmsg_func(void *ptr) { struct sendmsg_args_struct *args = ptr; - return sendmsg(args->fd, args->msg, args->flags); + return (void *)(VALUE)sendmsg(args->fd, args->msg, args->flags); } static ssize_t @@ -1124,48 +1131,48 @@ rb_sendmsg(int fd, const struct msghdr *msg, int flags) args.fd = fd; args.msg = msg; args.flags = flags; - return rb_thread_blocking_region(nogvl_sendmsg_func, &args, RUBY_UBF_IO, 0); + return (ssize_t)rb_thread_call_without_gvl(nogvl_sendmsg_func, &args, RUBY_UBF_IO, 0); } static VALUE -bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) +bsock_sendmsg_internal(VALUE sock, VALUE data, VALUE vflags, + VALUE dest_sockaddr, VALUE controls, VALUE ex, + int nonblock) { rb_io_t *fptr; - VALUE data, vflags, dest_sockaddr; - VALUE *controls_ptr; - int controls_num; struct msghdr mh; struct iovec iov; -#if defined(HAVE_ST_MSG_CONTROL) - volatile VALUE controls_str = 0; + VALUE tmp; + int controls_num; +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + VALUE controls_str = 0; + int family; #endif int flags; ssize_t ss; - int family; - rb_secure(4); GetOpenFile(sock, fptr); - family = rsock_getfamily(fptr->fd); - - data = vflags = dest_sockaddr = Qnil; - controls_ptr = NULL; - controls_num = 0; - - if (argc == 0) - rb_raise(rb_eArgError, "mesg argument required"); - data = argv[0]; - if (1 < argc) vflags = argv[1]; - if (2 < argc) dest_sockaddr = argv[2]; - if (3 < argc) { controls_ptr = &argv[3]; controls_num = argc - 3; } +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + family = rsock_getfamily(fptr); +#endif StringValue(data); + tmp = rb_str_tmp_frozen_acquire(data); + + if (!RB_TYPE_P(controls, T_ARRAY)) { + controls = rb_ary_new(); + } + controls_num = RARRAY_LENINT(controls); if (controls_num) { -#if defined(HAVE_ST_MSG_CONTROL) - int i; - int last_pad = 0; +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + int i; + size_t last_pad = 0; + const VALUE *controls_ptr = RARRAY_CONST_PTR(controls); +#if defined(__NetBSD__) int last_level = 0; int last_type = 0; +#endif controls_str = rb_str_tmp_new(0); for (i = 0; i < controls_num; i++) { VALUE elt = controls_ptr[i], v; @@ -1201,28 +1208,30 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) memset((char *)&cmh, 0, sizeof(cmh)); cmh.cmsg_level = level; cmh.cmsg_type = type; - cmh.cmsg_len = CMSG_LEN(RSTRING_LEN(cdata)); + cmh.cmsg_len = (socklen_t)CMSG_LEN(RSTRING_LEN(cdata)); MEMCPY(cmsg, &cmh, char, sizeof(cmh)); MEMCPY(cmsg+((char*)CMSG_DATA(&cmh)-(char*)&cmh), RSTRING_PTR(cdata), char, RSTRING_LEN(cdata)); +#if defined(__NetBSD__) last_level = cmh.cmsg_level; last_type = cmh.cmsg_type; - last_pad = cspace - cmh.cmsg_len; +#endif + last_pad = cspace - cmh.cmsg_len; } - if (last_pad) { + if (last_pad) { /* * This code removes the last padding from msg_controllen. - * + * * 4.3BSD-Reno reject the padding for SCM_RIGHTS. (There was no 64bit environments in those days?) * RFC 2292 require the padding. * RFC 3542 relaxes the condition - implementation must accept both as valid. - * + * * Actual problems: * * - NetBSD 4.0.1 * SCM_RIGHTS with padding causes EINVAL * IPV6_PKTINFO without padding causes "page fault trap" * http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=40661 - * + * * - OpenBSD 4.4 * IPV6_PKTINFO without padding causes EINVAL * @@ -1233,9 +1242,10 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) if (last_level == SOL_SOCKET && last_type == SCM_RIGHTS) rb_str_set_len(controls_str, RSTRING_LEN(controls_str)-last_pad); #endif - } + } + RB_GC_GUARD(controls); #else - rb_raise(rb_eNotImpError, "control message for sendmsg is unimplemented"); + rb_raise(rb_eNotImpError, "control message for sendmsg is unimplemented"); #endif } @@ -1246,7 +1256,7 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #endif if (!NIL_P(dest_sockaddr)) - SockAddrStringValue(dest_sockaddr); + SockAddrStringValue(dest_sockaddr); rb_io_check_closed(fptr); @@ -1254,119 +1264,99 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) memset(&mh, 0, sizeof(mh)); if (!NIL_P(dest_sockaddr)) { mh.msg_name = RSTRING_PTR(dest_sockaddr); - mh.msg_namelen = RSTRING_LEN(dest_sockaddr); + mh.msg_namelen = RSTRING_SOCKLEN(dest_sockaddr); } mh.msg_iovlen = 1; mh.msg_iov = &iov; - iov.iov_base = RSTRING_PTR(data); - iov.iov_len = RSTRING_LEN(data); -#if defined(HAVE_ST_MSG_CONTROL) + iov.iov_base = RSTRING_PTR(tmp); + iov.iov_len = RSTRING_LEN(tmp); +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) if (controls_str) { mh.msg_control = RSTRING_PTR(controls_str); - mh.msg_controllen = RSTRING_LEN(controls_str); - } - else { - mh.msg_control = NULL; - mh.msg_controllen = 0; + mh.msg_controllen = RSTRING_SOCKLEN(controls_str); } #endif rb_io_check_closed(fptr); - if (nonblock) + if (nonblock && !MSG_DONTWAIT_RELIABLE) rb_io_set_nonblock(fptr); ss = rb_sendmsg(fptr->fd, &mh, flags); - if (!nonblock && rb_io_wait_writable(fptr->fd)) { - rb_io_check_closed(fptr); - goto retry; - } - if (ss == -1) { - if (nonblock && (errno == EWOULDBLOCK || errno == EAGAIN)) - rb_mod_sys_fail(rb_mWaitWritable, "sendmsg(2) would block"); - rb_sys_fail("sendmsg(2)"); + int e; + if (!nonblock && rb_io_maybe_wait_writable(errno, fptr->self, RUBY_IO_TIMEOUT_DEFAULT)) { + rb_io_check_closed(fptr); + goto retry; + } + e = errno; + if (nonblock && (e == EWOULDBLOCK || e == EAGAIN)) { + if (ex == Qfalse) { + return sym_wait_writable; + } + rb_readwrite_syserr_fail(RB_IO_WAIT_WRITABLE, e, + "sendmsg(2) would block"); + } + rb_syserr_fail(e, "sendmsg(2)"); } +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + RB_GC_GUARD(controls_str); +#endif + rb_str_tmp_frozen_release(data, tmp); return SSIZET2NUM(ss); } #endif #if defined(HAVE_SENDMSG) -/* - * call-seq: - * basicsocket.sendmsg(mesg, flags=0, dest_sockaddr=nil, *controls) => numbytes_sent - * - * sendmsg sends a message using sendmsg(2) system call in blocking manner. - * - * _mesg_ is a string to send. - * - * _flags_ is bitwise OR of MSG_* constants such as Socket::MSG_OOB. - * - * _dest_sockaddr_ is a destination socket address for connection-less socket. - * It should be a sockaddr such as a result of Socket.sockaddr_in. - * An Addrinfo object can be used too. - * - * _controls_ is a list of ancillary data. - * The element of _controls_ should be Socket::AncillaryData or - * 3-elements array. - * The 3-element array should contains cmsg_level, cmsg_type and data. - * - * The return value, _numbytes_sent_ is an integer which is the number of bytes sent. - * - * sendmsg can be used to implement send_io as follows: - * - * # use Socket::AncillaryData. - * ancdata = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, io.fileno) - * sock.sendmsg("a", 0, nil, ancdata) - * - * # use 3-element array. - * ancdata = [:SOCKET, :RIGHTS, [io.fileno].pack("i!")] - * sock.sendmsg("\0", 0, nil, ancdata) - * - */ -static VALUE -bsock_sendmsg(int argc, VALUE *argv, VALUE sock) +VALUE +rsock_bsock_sendmsg(VALUE sock, VALUE data, VALUE flags, VALUE dest_sockaddr, + VALUE controls) { - return bsock_sendmsg_internal(argc, argv, sock, 0); + return bsock_sendmsg_internal(sock, data, flags, dest_sockaddr, controls, + Qtrue, 0); } -#else -#define bsock_sendmsg rb_f_notimplement #endif #if defined(HAVE_SENDMSG) -/* - * call-seq: - * basicsocket.sendmsg_nonblock(mesg, flags=0, dest_sockaddr=nil, *controls) => numbytes_sent - * - * sendmsg_nonblock sends a message using sendmsg(2) system call in non-blocking manner. - * - * It is similar to BasicSocket#sendmsg - * but the non-blocking flag is set before the system call - * and it doesn't retry the system call. - * - */ -static VALUE -bsock_sendmsg_nonblock(int argc, VALUE *argv, VALUE sock) +VALUE +rsock_bsock_sendmsg_nonblock(VALUE sock, VALUE data, VALUE flags, + VALUE dest_sockaddr, VALUE controls, VALUE ex) { - return bsock_sendmsg_internal(argc, argv, sock, 1); + return bsock_sendmsg_internal(sock, data, flags, dest_sockaddr, + controls, ex, 1); } -#else -#define bsock_sendmsg_nonblock rb_f_notimplement #endif #if defined(HAVE_RECVMSG) struct recvmsg_args_struct { int fd; - struct msghdr *msg; int flags; + struct msghdr *msg; }; -static VALUE +ssize_t +rsock_recvmsg(int socket, struct msghdr *message, int flags) +{ + ssize_t ret; + socklen_t len0; +#ifdef MSG_CMSG_CLOEXEC + /* MSG_CMSG_CLOEXEC is available since Linux 2.6.23. Linux 2.6.18 silently ignore it. */ + flags |= MSG_CMSG_CLOEXEC; +#endif + len0 = message->msg_namelen; + ret = recvmsg(socket, message, flags); + if (ret != -1 && len0 < message->msg_namelen) + message->msg_namelen = len0; + return ret; +} + +static void * nogvl_recvmsg_func(void *ptr) { struct recvmsg_args_struct *args = ptr; - return recvmsg(args->fd, args->msg, args->flags); + int flags = args->flags; + return (void *)rsock_recvmsg(args->fd, args->msg, flags); } static ssize_t @@ -1376,18 +1366,31 @@ rb_recvmsg(int fd, struct msghdr *msg, int flags) args.fd = fd; args.msg = msg; args.flags = flags; - return rb_thread_blocking_region(nogvl_recvmsg_func, &args, RUBY_UBF_IO, 0); + return (ssize_t)rb_thread_call_without_gvl(nogvl_recvmsg_func, &args, RUBY_UBF_IO, 0); } -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) static void -discard_cmsg(struct cmsghdr *cmh, char *msg_end) +discard_cmsg(struct cmsghdr *cmh, char *msg_end, int msg_peek_p) { +# if !defined(FD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK) + /* + * FreeBSD 8.2.0, NetBSD 5 and MacOS X Snow Leopard doesn't + * allocate fds by recvmsg with MSG_PEEK. + * [ruby-dev:44189] + * http://bugs.ruby-lang.org/issues/5075 + * + * Linux 2.6.38 allocate fds by recvmsg with MSG_PEEK. + */ + if (msg_peek_p) + return; +# endif if (cmh->cmsg_level == SOL_SOCKET && cmh->cmsg_type == SCM_RIGHTS) { int *fdp = (int *)CMSG_DATA(cmh); int *end = (int *)((char *)cmh + cmh->cmsg_len); while ((char *)fdp + sizeof(int) <= (char *)end && (char *)fdp + sizeof(int) <= msg_end) { + rb_update_max_fd(*fdp); close(*fdp); fdp++; } @@ -1396,9 +1399,9 @@ discard_cmsg(struct cmsghdr *cmh, char *msg_end) #endif void -rsock_discard_cmsg_resource(struct msghdr *mh) +rsock_discard_cmsg_resource(struct msghdr *mh, int msg_peek_p) { -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) struct cmsghdr *cmh; char *msg_end; @@ -1408,28 +1411,30 @@ rsock_discard_cmsg_resource(struct msghdr *mh) msg_end = (char *)mh->msg_control + mh->msg_controllen; for (cmh = CMSG_FIRSTHDR(mh); cmh != NULL; cmh = CMSG_NXTHDR(mh, cmh)) { - discard_cmsg(cmh, msg_end); + discard_cmsg(cmh, msg_end, msg_peek_p); } #endif } -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) static void make_io_for_unix_rights(VALUE ctl, struct cmsghdr *cmh, char *msg_end) { if (cmh->cmsg_level == SOL_SOCKET && cmh->cmsg_type == SCM_RIGHTS) { int *fdp, *end; - VALUE ary = rb_ary_new(); - rb_ivar_set(ctl, rb_intern("unix_rights"), ary); + VALUE ary = rb_ary_new(); + rb_ivar_set(ctl, rb_intern("unix_rights"), ary); fdp = (int *)CMSG_DATA(cmh); end = (int *)((char *)cmh + cmh->cmsg_len); while ((char *)fdp + sizeof(int) <= (char *)end && - (char *)fdp + sizeof(int) <= msg_end) { + (char *)fdp + sizeof(int) <= msg_end) { int fd = *fdp; struct stat stbuf; VALUE io; if (fstat(fd, &stbuf) == -1) rb_raise(rb_eSocket, "invalid fd in SCM_RIGHTS"); + rb_update_max_fd(fd); + rb_maygvl_fd_fix_cloexec(fd); if (S_ISSOCK(stbuf.st_mode)) io = rsock_init_sock(rb_obj_alloc(rb_cSocket), fd); else @@ -1438,56 +1443,45 @@ make_io_for_unix_rights(VALUE ctl, struct cmsghdr *cmh, char *msg_end) rb_ary_push(ary, io); fdp++; } - OBJ_FREEZE(ary); + OBJ_FREEZE(ary); } } #endif static VALUE -bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) +bsock_recvmsg_internal(VALUE sock, + VALUE vmaxdatlen, VALUE vflags, VALUE vmaxctllen, + VALUE scm_rights, VALUE ex, int nonblock) { rb_io_t *fptr; - VALUE vmaxdatlen, vmaxctllen, vflags, vopts; int grow_buffer; size_t maxdatlen; int flags, orig_flags; - int request_scm_rights; struct msghdr mh; struct iovec iov; - struct sockaddr_storage namebuf; - char datbuf0[4096], *datbuf; + union_sockaddr namebuf; + char *datbuf; VALUE dat_str = Qnil; VALUE ret; ssize_t ss; -#if defined(HAVE_ST_MSG_CONTROL) + int request_scm_rights; +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) struct cmsghdr *cmh; size_t maxctllen; - union { - char bytes[4096]; - struct cmsghdr align; - } ctlbuf0; char *ctlbuf; VALUE ctl_str = Qnil; int family; int gc_done = 0; #endif - rb_secure(4); - - vopts = Qnil; - if (0 < argc && TYPE(argv[argc-1]) == T_HASH) - vopts = argv[--argc]; - - rb_scan_args(argc, argv, "03", &vmaxdatlen, &vflags, &vmaxctllen); - - maxdatlen = NIL_P(vmaxdatlen) ? sizeof(datbuf0) : NUM2SIZET(vmaxdatlen); -#if defined(HAVE_ST_MSG_CONTROL) - maxctllen = NIL_P(vmaxctllen) ? sizeof(ctlbuf0) : NUM2SIZET(vmaxctllen); + maxdatlen = NIL_P(vmaxdatlen) ? 4096 : NUM2SIZET(vmaxdatlen); +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + maxctllen = NIL_P(vmaxctllen) ? 4096 : NUM2SIZET(vmaxctllen); #else if (!NIL_P(vmaxctllen)) rb_raise(rb_eArgError, "control message not supported"); #endif - flags = NIL_P(vflags) ? 0 : NUM2INT(vflags); + flags = NUM2INT(vflags); #ifdef MSG_DONTWAIT if (nonblock) flags |= MSG_DONTWAIT; @@ -1497,83 +1491,89 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) grow_buffer = NIL_P(vmaxdatlen) || NIL_P(vmaxctllen); request_scm_rights = 0; - if (!NIL_P(vopts) && RTEST(rb_hash_aref(vopts, ID2SYM(rb_intern("scm_rights"))))) + if (RTEST(scm_rights)) request_scm_rights = 1; +#if !defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + if (request_scm_rights) + rb_raise(rb_eNotImpError, "control message for recvmsg is unimplemented"); +#endif GetOpenFile(sock, fptr); if (rb_io_read_pending(fptr)) { rb_raise(rb_eIOError, "recvmsg for buffered IO"); } -#if !defined(HAVE_ST_MSG_CONTROL) +#if !defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) if (grow_buffer) { - int socktype, optlen = sizeof(socktype); + int socktype; + socklen_t optlen = (socklen_t)sizeof(socktype); if (getsockopt(fptr->fd, SOL_SOCKET, SO_TYPE, (void*)&socktype, &optlen) == -1) { - rb_sys_fail("getsockopt(SO_TYPE)"); - } - if (socktype == SOCK_STREAM) - grow_buffer = 0; + rb_sys_fail("getsockopt(SO_TYPE)"); + } + if (socktype == SOCK_STREAM) + grow_buffer = 0; } #endif retry: - if (maxdatlen <= sizeof(datbuf0)) - datbuf = datbuf0; - else { - if (NIL_P(dat_str)) - dat_str = rb_str_tmp_new(maxdatlen); - else - rb_str_resize(dat_str, maxdatlen); - datbuf = RSTRING_PTR(dat_str); - } + if (NIL_P(dat_str)) + dat_str = rb_str_tmp_new(maxdatlen); + else + rb_str_resize(dat_str, maxdatlen); + datbuf = RSTRING_PTR(dat_str); -#if defined(HAVE_ST_MSG_CONTROL) - if (maxctllen <= sizeof(ctlbuf0)) - ctlbuf = ctlbuf0.bytes; - else { - if (NIL_P(ctl_str)) - ctl_str = rb_str_tmp_new(maxctllen); - else - rb_str_resize(ctl_str, maxctllen); - ctlbuf = RSTRING_PTR(ctl_str); - } +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + if (NIL_P(ctl_str)) + ctl_str = rb_str_tmp_new(maxctllen); + else + rb_str_resize(ctl_str, maxctllen); + ctlbuf = RSTRING_PTR(ctl_str); #endif memset(&mh, 0, sizeof(mh)); memset(&namebuf, 0, sizeof(namebuf)); - mh.msg_name = (struct sockaddr *)&namebuf; - mh.msg_namelen = sizeof(namebuf); + mh.msg_name = &namebuf.addr; + mh.msg_namelen = (socklen_t)sizeof(namebuf); mh.msg_iov = &iov; mh.msg_iovlen = 1; iov.iov_base = datbuf; iov.iov_len = maxdatlen; -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) mh.msg_control = ctlbuf; - mh.msg_controllen = maxctllen; + mh.msg_controllen = (socklen_t)maxctllen; #endif if (grow_buffer) flags |= MSG_PEEK; rb_io_check_closed(fptr); - if (nonblock) + if (nonblock && !MSG_DONTWAIT_RELIABLE) rb_io_set_nonblock(fptr); ss = rb_recvmsg(fptr->fd, &mh, flags); - if (!nonblock && rb_io_wait_readable(fptr->fd)) { - rb_io_check_closed(fptr); - goto retry; + if (ss == 0 && !rsock_is_dgram(fptr)) { + return Qnil; } if (ss == -1) { - if (nonblock && (errno == EWOULDBLOCK || errno == EAGAIN)) - rb_mod_sys_fail(rb_mWaitReadable, "recvmsg(2) would block"); -#if defined(HAVE_ST_MSG_CONTROL) - if (!gc_done && (errno == EMFILE || errno == EMSGSIZE)) { + int e; + if (!nonblock && rb_io_maybe_wait_readable(errno, fptr->self, RUBY_IO_TIMEOUT_DEFAULT)) { + rb_io_check_closed(fptr); + goto retry; + } + e = errno; + if (nonblock && (e == EWOULDBLOCK || e == EAGAIN)) { + if (ex == Qfalse) { + return sym_wait_readable; + } + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, e, "recvmsg(2) would block"); + } +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + if (!gc_done && (e == EMFILE || e == EMSGSIZE)) { /* * When SCM_RIGHTS hit the file descriptors limit: * - Linux 2.6.18 causes success with MSG_CTRUNC @@ -1583,31 +1583,35 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) gc_and_retry: rb_gc(); gc_done = 1; - goto retry; + goto retry; } +#else + if (NIL_P(vmaxdatlen) && grow_buffer && e == EMSGSIZE) + ss = (ssize_t)iov.iov_len; + else #endif - rb_sys_fail("recvmsg(2)"); + rb_syserr_fail(e, "recvmsg(2)"); } if (grow_buffer) { - int grown = 0; -#if defined(HAVE_ST_MSG_CONTROL) - if (NIL_P(vmaxdatlen) && (mh.msg_flags & MSG_TRUNC)) { + int grown = 0; + if (NIL_P(vmaxdatlen) && ss != -1 && ss == (ssize_t)iov.iov_len) { if (SIZE_MAX/2 < maxdatlen) rb_raise(rb_eArgError, "max data length too big"); - maxdatlen *= 2; - grown = 1; - } + maxdatlen *= 2; + grown = 1; + } +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) if (NIL_P(vmaxctllen) && (mh.msg_flags & MSG_CTRUNC)) { #define BIG_ENOUGH_SPACE 65536 if (BIG_ENOUGH_SPACE < maxctllen && - mh.msg_controllen < maxctllen - BIG_ENOUGH_SPACE) { + (socklen_t)mh.msg_controllen < (socklen_t)(maxctllen - BIG_ENOUGH_SPACE)) { /* there are big space bug truncated. * file descriptors limit? */ if (!gc_done) { - rsock_discard_cmsg_resource(&mh); + rsock_discard_cmsg_resource(&mh, (flags & MSG_PEEK) != 0); goto gc_and_retry; - } + } } else { if (SIZE_MAX/2 < maxctllen) @@ -1616,66 +1620,59 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) grown = 1; } #undef BIG_ENOUGH_SPACE - } -#else - if (NIL_P(vmaxdatlen) && ss != -1 && ss == iov.iov_len) { - if (SIZE_MAX/2 < maxdatlen) - rb_raise(rb_eArgError, "max data length too big"); - maxdatlen *= 2; - grown = 1; - } + } #endif - if (grown) { - rsock_discard_cmsg_resource(&mh); - goto retry; - } - else { + if (grown) { + rsock_discard_cmsg_resource(&mh, (flags & MSG_PEEK) != 0); + goto retry; + } + else { grow_buffer = 0; if (flags != orig_flags) { + rsock_discard_cmsg_resource(&mh, (flags & MSG_PEEK) != 0); flags = orig_flags; - rsock_discard_cmsg_resource(&mh); goto retry; } } } if (NIL_P(dat_str)) - dat_str = rb_tainted_str_new(datbuf, ss); + dat_str = rb_str_new(datbuf, ss); else { rb_str_resize(dat_str, ss); - OBJ_TAINT(dat_str); - RBASIC(dat_str)->klass = rb_cString; + rb_obj_reveal(dat_str, rb_cString); } - ret = rb_ary_new3(3, dat_str, - rsock_io_socket_addrinfo(sock, mh.msg_name, mh.msg_namelen), -#if defined(HAVE_ST_MSG_CONTROL) - INT2NUM(mh.msg_flags) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + VALUE msg_flags = INT2NUM(mh.msg_flags); #else - Qnil + VALUE msg_flags = Qnil; #endif - ); + ret = rb_ary_new3(3, dat_str, + rsock_io_socket_addrinfo(sock, mh.msg_name, mh.msg_namelen), + msg_flags); -#if defined(HAVE_ST_MSG_CONTROL) - family = rsock_getfamily(fptr->fd); +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + family = rsock_getfamily(fptr); if (mh.msg_controllen) { - char *msg_end = (char *)mh.msg_control + mh.msg_controllen; + char *msg_end = (char *)mh.msg_control + mh.msg_controllen; for (cmh = CMSG_FIRSTHDR(&mh); cmh != NULL; cmh = CMSG_NXTHDR(&mh, cmh)) { VALUE ctl; - char *ctl_end; + char *ctl_end; size_t clen; if (cmh->cmsg_len == 0) { rb_raise(rb_eTypeError, "invalid control message (cmsg_len == 0)"); } ctl_end = (char*)cmh + cmh->cmsg_len; - clen = (ctl_end <= msg_end ? ctl_end : msg_end) - (char*)CMSG_DATA(cmh); - ctl = ancdata_new(family, cmh->cmsg_level, cmh->cmsg_type, rb_tainted_str_new((char*)CMSG_DATA(cmh), clen)); + clen = (ctl_end <= msg_end ? ctl_end : msg_end) - (char*)CMSG_DATA(cmh); + ctl = ancdata_new(family, cmh->cmsg_level, cmh->cmsg_type, rb_str_new((char*)CMSG_DATA(cmh), clen)); if (request_scm_rights) make_io_for_unix_rights(ctl, cmh, msg_end); else - discard_cmsg(cmh, msg_end); + discard_cmsg(cmh, msg_end, (flags & MSG_PEEK) != 0); rb_ary_push(ret, ctl); } + RB_GC_GUARD(ctl_str); } #endif @@ -1684,102 +1681,35 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #endif #if defined(HAVE_RECVMSG) -/* - * call-seq: - * basicsocket.recvmsg(maxmesglen=nil, flags=0, maxcontrollen=nil, opts={}) => [mesg, sender_addrinfo, rflags, *controls] - * - * recvmsg receives a message using recvmsg(2) system call in blocking manner. - * - * _maxmesglen_ is the maximum length of mesg to receive. - * - * _flags_ is bitwise OR of MSG_* constants such as Socket::MSG_PEEK. - * - * _maxcontrollen_ is the maximum length of controls (ancillary data) to receive. - * - * _opts_ is option hash. - * Currently :scm_rights=>bool is the only option. - * - * :scm_rights option specifies that application expects SCM_RIGHTS control message. - * If the value is nil or false, application don't expects SCM_RIGHTS control message. - * In this case, recvmsg closes the passed file descriptors immediately. - * This is the default behavior. - * - * If :scm_rights value is neither nil nor false, application expects SCM_RIGHTS control message. - * In this case, recvmsg creates IO objects for each file descriptors for - * Socket::AncillaryData#unix_rights method. - * - * The return value is 4-elements array. - * - * _mesg_ is a string of the received message. - * - * _sender_addrinfo_ is a sender socket address for connection-less socket. - * It is an Addrinfo object. - * For connection-oriented socket such as TCP, sender_addrinfo is platform dependent. - * - * _rflags_ is a flags on the received message which is bitwise OR of MSG_* constants such as Socket::MSG_TRUNC. - * It will be nil if the system uses 4.3BSD style old recvmsg system call. - * - * _controls_ is ancillary data which is an array of Socket::AncillaryData objects such as: - * - * #<Socket::AncillaryData: AF_UNIX SOCKET RIGHTS 7> - * - * _maxmesglen_ and _maxcontrollen_ can be nil. - * In that case, the buffer will be grown until the message is not truncated. - * Internally, MSG_PEEK is used and MSG_TRUNC/MSG_CTRUNC are checked. - * - * recvmsg can be used to implement recv_io as follows: - * - * mesg, sender_sockaddr, rflags, *controls = sock.recvmsg(:scm_rights=>true) - * controls.each {|ancdata| - * if ancdata.cmsg_is?(:SOCKET, :RIGHTS) - * return ancdata.unix_rights[0] - * end - * } - * - */ -static VALUE -bsock_recvmsg(int argc, VALUE *argv, VALUE sock) +VALUE +rsock_bsock_recvmsg(VALUE sock, VALUE dlen, VALUE flags, VALUE clen, + VALUE scm_rights) { - return bsock_recvmsg_internal(argc, argv, sock, 0); + VALUE ex = Qtrue; + return bsock_recvmsg_internal(sock, dlen, flags, clen, scm_rights, ex, 0); } -#else -#define bsock_recvmsg rb_f_notimplement #endif #if defined(HAVE_RECVMSG) -/* - * call-seq: - * basicsocket.recvmsg_nonblock(maxdatalen=nil, flags=0, maxcontrollen=nil, opts={}) => [data, sender_addrinfo, rflags, *controls] - * - * recvmsg receives a message using recvmsg(2) system call in non-blocking manner. - * - * It is similar to BasicSocket#recvmsg - * but non-blocking flag is set before the system call - * and it doesn't retry the system call. - * - */ -static VALUE -bsock_recvmsg_nonblock(int argc, VALUE *argv, VALUE sock) +VALUE +rsock_bsock_recvmsg_nonblock(VALUE sock, VALUE dlen, VALUE flags, VALUE clen, + VALUE scm_rights, VALUE ex) { - return bsock_recvmsg_internal(argc, argv, sock, 1); + return bsock_recvmsg_internal(sock, dlen, flags, clen, scm_rights, ex, 1); } -#else -#define bsock_recvmsg_nonblock rb_f_notimplement #endif void -Init_ancdata(void) +rsock_init_ancdata(void) { - /* for rdoc */ - /* rb_cBasicSocket = rb_define_class("BasicSocket", rb_cIO); */ - /* rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); */ - - rb_define_method(rb_cBasicSocket, "sendmsg", bsock_sendmsg, -1); - rb_define_method(rb_cBasicSocket, "sendmsg_nonblock", bsock_sendmsg_nonblock, -1); - rb_define_method(rb_cBasicSocket, "recvmsg", bsock_recvmsg, -1); - rb_define_method(rb_cBasicSocket, "recvmsg_nonblock", bsock_recvmsg_nonblock, -1); - -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) + /* + * Document-class: Socket::AncillaryData + * + * Socket::AncillaryData represents the ancillary data (control information) + * used by sendmsg and recvmsg system call. It contains socket #family, + * control message (cmsg) #level, cmsg #type and cmsg #data. + */ rb_cAncillaryData = rb_define_class_under(rb_cSocket, "AncillaryData", rb_cObject); rb_define_method(rb_cAncillaryData, "initialize", ancillary_initialize, 4); rb_define_method(rb_cAncillaryData, "inspect", ancillary_inspect, 0); @@ -1806,4 +1736,7 @@ Init_ancdata(void) rb_define_method(rb_cAncillaryData, "ipv6_pktinfo_addr", ancillary_ipv6_pktinfo_addr, 0); rb_define_method(rb_cAncillaryData, "ipv6_pktinfo_ifindex", ancillary_ipv6_pktinfo_ifindex, 0); #endif +#undef rb_intern + sym_wait_readable = ID2SYM(rb_intern("wait_readable")); + sym_wait_writable = ID2SYM(rb_intern("wait_writable")); } diff --git a/ext/socket/basicsocket.c b/ext/socket/basicsocket.c index bb1bda57df..2fcae8eb54 100644 --- a/ext/socket/basicsocket.c +++ b/ext/socket/basicsocket.c @@ -10,6 +10,28 @@ #include "rubysocket.h" +#ifdef _WIN32 +#define is_socket(fd) rb_w32_is_socket(fd) +#else +static int +is_socket(int fd) +{ + struct stat sbuf; + + if (fstat(fd, &sbuf) < 0) + rb_sys_fail("fstat(2)"); + return S_ISSOCK(sbuf.st_mode); +} +#endif + +static void +rsock_validate_descriptor(int descriptor) +{ + if (!is_socket(descriptor) || rb_reserved_fd_p(descriptor)) { + rb_syserr_fail(EBADF, "not a socket file descriptor"); + } +} + /* * call-seq: * BasicSocket.for_fd(fd) => basicsocket @@ -22,10 +44,14 @@ * */ static VALUE -bsock_s_for_fd(VALUE klass, VALUE fd) +bsock_s_for_fd(VALUE klass, VALUE _descriptor) { rb_io_t *fptr; - VALUE sock = rsock_init_sock(rb_obj_alloc(klass), NUM2INT(fd)); + + int descriptor = RB_NUM2INT(_descriptor); + rsock_validate_descriptor(descriptor); + + VALUE sock = rsock_init_sock(rb_obj_alloc(klass), descriptor); GetOpenFile(sock, fptr); @@ -57,7 +83,7 @@ bsock_s_for_fd(VALUE klass, VALUE fd) * s2.close * p s1.read #=> "pong\n" * } - * + * */ static VALUE bsock_shutdown(int argc, VALUE *argv, VALUE sock) @@ -66,21 +92,18 @@ bsock_shutdown(int argc, VALUE *argv, VALUE sock) int how; rb_io_t *fptr; - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't shutdown socket"); - } rb_scan_args(argc, argv, "01", &howto); if (howto == Qnil) - how = SHUT_RDWR; + how = SHUT_RDWR; else { - how = rsock_shutdown_how_arg(howto); + how = rsock_shutdown_how_arg(howto); if (how != SHUT_WR && how != SHUT_RD && how != SHUT_RDWR) { - rb_raise(rb_eArgError, "`how' should be either :SHUT_RD, :SHUT_WR, :SHUT_RDWR"); - } + rb_raise(rb_eArgError, "`how' should be either :SHUT_RD, :SHUT_WR, :SHUT_RDWR"); + } } GetOpenFile(sock, fptr); if (shutdown(fptr->fd, how) == -1) - rb_sys_fail(0); + rb_sys_fail("shutdown(2)"); return INT2FIX(0); } @@ -89,7 +112,7 @@ bsock_shutdown(int argc, VALUE *argv, VALUE sock) * call-seq: * basicsocket.close_read => nil * - * Disallows further read. + * Disallows further read using shutdown system call. * * s1, s2 = UNIXSocket.pair * s1.close_read @@ -100,13 +123,10 @@ bsock_close_read(VALUE sock) { rb_io_t *fptr; - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } GetOpenFile(sock, fptr); - shutdown(fptr->fd, 0); + shutdown(fptr->fd, SHUT_RD); if (!(fptr->mode & FMODE_WRITABLE)) { - return rb_io_close(sock); + return rb_io_close(sock); } fptr->mode &= ~FMODE_READABLE; @@ -117,7 +137,7 @@ bsock_close_read(VALUE sock) * call-seq: * basicsocket.close_write => nil * - * Disallows further write. + * Disallows further write using shutdown system call. * * UNIXSocket.pair {|s1, s2| * s1.print "ping" @@ -133,14 +153,11 @@ bsock_close_write(VALUE sock) { rb_io_t *fptr; - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } GetOpenFile(sock, fptr); if (!(fptr->mode & FMODE_READABLE)) { - return rb_io_close(sock); + return rb_io_close(sock); } - shutdown(fptr->fd, 1); + shutdown(fptr->fd, SHUT_WR); fptr->mode &= ~FMODE_WRITABLE; return Qnil; @@ -148,7 +165,9 @@ bsock_close_write(VALUE sock) /* * Document-method: setsockopt - * call-seq: setsockopt(level, optname, optval) + * call-seq: + * setsockopt(level, optname, optval) + * setsockopt(socketoption) * * Sets a socket option. These are protocol and system specific, see your * local system documentation for details. @@ -156,27 +175,36 @@ bsock_close_write(VALUE sock) * === Parameters * * +level+ is an integer, usually one of the SOL_ constants such as * Socket::SOL_SOCKET, or a protocol level. + * A string or symbol of the name, possibly without prefix, is also + * accepted. * * +optname+ is an integer, usually one of the SO_ constants, such * as Socket::SO_REUSEADDR. + * A string or symbol of the name, possibly without prefix, is also + * accepted. * * +optval+ is the value of the option, it is passed to the underlying * setsockopt() as a pointer to a certain number of bytes. How this is * done depends on the type: - * - Fixnum: value is assigned to an int, and a pointer to the int is + * - Integer: value is assigned to an int, and a pointer to the int is * passed, with length of sizeof(int). * - true or false: 1 or 0 (respectively) is assigned to an int, and the - * int is passed as for a Fixnum. Note that +false+ must be passed, + * int is passed as for an Integer. Note that +false+ must be passed, * not +nil+. * - String: the string's data and length is passed to the socket. + * * +socketoption+ is an instance of Socket::Option * * === Examples * * Some socket options are integers with boolean values, in this case * #setsockopt could be called like this: + * sock.setsockopt(:SOCKET, :REUSEADDR, true) * sock.setsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR, true) + * sock.setsockopt(Socket::Option.bool(:INET, :SOCKET, :REUSEADDR, true)) * * Some socket options are integers with numeric values, in this case * #setsockopt could be called like this: + * sock.setsockopt(:IP, :TTL, 255) * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_TTL, 255) + * sock.setsockopt(Socket::Option.int(:INET, :IP, :TTL, 255)) * * Option values may be structs. Passing them can be complex as it involves * examining your system headers to determine the correct definition. An @@ -185,9 +213,10 @@ bsock_close_write(VALUE sock) * struct in_addr imr_multiaddr; * struct in_addr imr_interface; * }; - * + * * In this case #setsockopt could be called like this: - * optval = IPAddr.new("224.0.0.251") + Socket::INADDR_ANY + * optval = IPAddr.new("224.0.0.251").hton + + * IPAddr.new(Socket::INADDR_ANY, Socket::AF_INET).hton * sock.setsockopt(Socket::IPPROTO_IP, Socket::IP_ADD_MEMBERSHIP, optval) * */ @@ -210,67 +239,74 @@ bsock_setsockopt(int argc, VALUE *argv, VALUE sock) rb_scan_args(argc, argv, "30", &lev, &optname, &val); } - rb_secure(2); GetOpenFile(sock, fptr); - family = rsock_getfamily(fptr->fd); + family = rsock_getfamily(fptr); level = rsock_level_arg(family, lev); option = rsock_optname_arg(family, level, optname); switch (TYPE(val)) { case T_FIXNUM: - i = FIX2INT(val); - goto numval; + i = FIX2INT(val); + goto numval; case T_FALSE: - i = 0; - goto numval; + i = 0; + goto numval; case T_TRUE: - i = 1; + i = 1; numval: - v = (char*)&i; vlen = sizeof(i); - break; + v = (char*)&i; vlen = (int)sizeof(i); + break; default: - StringValue(val); - v = RSTRING_PTR(val); - vlen = RSTRING_LEN(val); - break; + StringValue(val); + v = RSTRING_PTR(val); + vlen = RSTRING_SOCKLEN(val); + break; } -#define rb_sys_fail_path(path) rb_sys_fail(NIL_P(path) ? 0 : RSTRING_PTR(path)) - rb_io_check_closed(fptr); if (setsockopt(fptr->fd, level, option, v, vlen) < 0) - rb_sys_fail_path(fptr->pathv); + rsock_sys_fail_path("setsockopt(2)", fptr->pathv); return INT2FIX(0); } -#if !defined(__BEOS__) /* * Document-method: getsockopt - * call-seq: getsockopt(level, optname) + * call-seq: + * getsockopt(level, optname) => socketoption * * Gets a socket option. These are protocol and system specific, see your * local system documentation for details. The option is returned as - * a String with the data being the binary value of the socket option. + * a Socket::Option object. * * === Parameters * * +level+ is an integer, usually one of the SOL_ constants such as * Socket::SOL_SOCKET, or a protocol level. + * A string or symbol of the name, possibly without prefix, is also + * accepted. * * +optname+ is an integer, usually one of the SO_ constants, such * as Socket::SO_REUSEADDR. + * A string or symbol of the name, possibly without prefix, is also + * accepted. * * === Examples * * Some socket options are integers with boolean values, in this case * #getsockopt could be called like this: + * + * reuseaddr = sock.getsockopt(:SOCKET, :REUSEADDR).bool + * * optval = sock.getsockopt(Socket::SOL_SOCKET,Socket::SO_REUSEADDR) * optval = optval.unpack "i" * reuseaddr = optval[0] == 0 ? false : true * * Some socket options are integers with numeric values, in this case * #getsockopt could be called like this: + * + * ipttl = sock.getsockopt(:IP, :TTL).int + * * optval = sock.getsockopt(Socket::IPPROTO_IP, Socket::IP_TTL) - * ipttl = optval.unpack("i")[0] + * ipttl = optval.unpack1("i") * * Option values may be structs. Decoding them can be complex as it involves * examining your system headers to determine the correct definition. An @@ -280,10 +316,15 @@ bsock_setsockopt(int argc, VALUE *argv, VALUE sock) * int l_onoff; * int l_linger; * }; - * + * * In this case #getsockopt could be called like this: + * + * # Socket::Option knows linger structure. + * onoff, linger = sock.getsockopt(:SOCKET, :LINGER).linger + * * optval = sock.getsockopt(Socket::SOL_SOCKET, Socket::SO_LINGER) * onoff, linger = optval.unpack "ii" + * onoff = onoff == 0 ? false : true */ static VALUE bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) @@ -295,22 +336,31 @@ bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) int family; GetOpenFile(sock, fptr); - family = rsock_getfamily(fptr->fd); + family = rsock_getfamily(fptr); level = rsock_level_arg(family, lev); option = rsock_optname_arg(family, level, optname); len = 256; +#ifdef _AIX + switch (option) { + case SO_DEBUG: + case SO_REUSEADDR: + case SO_KEEPALIVE: + case SO_DONTROUTE: + case SO_BROADCAST: + case SO_OOBINLINE: + /* AIX doesn't set len for boolean options */ + len = sizeof(int); + } +#endif buf = ALLOCA_N(char,len); rb_io_check_closed(fptr); if (getsockopt(fptr->fd, level, option, buf, &len) < 0) - rb_sys_fail_path(fptr->pathv); + rsock_sys_fail_path("getsockopt(2)", fptr->pathv); return rsock_sockopt_new(family, level, option, rb_str_new(buf, len)); } -#else -#define bsock_getsockopt rb_f_notimplement -#endif /* * call-seq: @@ -321,17 +371,22 @@ bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) * TCPServer.open("127.0.0.1", 15120) {|serv| * p serv.getsockname #=> "\x02\x00;\x10\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" * } + * + * If Addrinfo object is preferred over the binary string, + * use BasicSocket#local_address. */ static VALUE bsock_getsockname(VALUE sock) { - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buf; + socklen_t len = (socklen_t)sizeof buf; + socklen_t len0 = len; rb_io_t *fptr; GetOpenFile(sock, fptr); - if (getsockname(fptr->fd, (struct sockaddr*)&buf, &len) < 0) - rb_sys_fail("getsockname(2)"); + if (getsockname(fptr->fd, &buf.addr, &len) < 0) + rb_sys_fail("getsockname(2)"); + if (len0 < len) len = len0; return rb_str_new((char*)&buf, len); } @@ -347,17 +402,22 @@ bsock_getsockname(VALUE sock) * p s.getpeername #=> "\x02\x00\x82u\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" * } * + * If Addrinfo object is preferred over the binary string, + * use BasicSocket#remote_address. + * */ static VALUE bsock_getpeername(VALUE sock) { - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buf; + socklen_t len = (socklen_t)sizeof buf; + socklen_t len0 = len; rb_io_t *fptr; GetOpenFile(sock, fptr); - if (getpeername(fptr->fd, (struct sockaddr*)&buf, &len) < 0) - rb_sys_fail("getpeername(2)"); + if (getpeername(fptr->fd, &buf.addr, &len) < 0) + rb_sys_fail("getpeername(2)"); + if (len0 < len) len = len0; return rb_str_new((char*)&buf, len); } @@ -393,7 +453,7 @@ bsock_getpeereid(VALUE self) gid_t egid; GetOpenFile(self, fptr); if (getpeereid(fptr->fd, &euid, &egid) == -1) - rb_sys_fail("getpeereid"); + rb_sys_fail("getpeereid(3)"); return rb_assoc_new(UIDT2NUM(euid), GIDT2NUM(egid)); #elif defined(SO_PEERCRED) /* GNU/Linux */ rb_io_t *fptr; @@ -401,7 +461,7 @@ bsock_getpeereid(VALUE self) socklen_t len = sizeof(cred); GetOpenFile(self, fptr); if (getsockopt(fptr->fd, SOL_SOCKET, SO_PEERCRED, &cred, &len) == -1) - rb_sys_fail("getsockopt(SO_PEERCRED)"); + rb_sys_fail("getsockopt(SO_PEERCRED)"); return rb_assoc_new(UIDT2NUM(cred.uid), GIDT2NUM(cred.gid)); #elif defined(HAVE_GETPEERUCRED) /* Solaris */ rb_io_t *fptr; @@ -409,7 +469,7 @@ bsock_getpeereid(VALUE self) VALUE ret; GetOpenFile(self, fptr); if (getpeerucred(fptr->fd, &uc) == -1) - rb_sys_fail("getpeerucred"); + rb_sys_fail("getpeerucred(3C)"); ret = rb_assoc_new(UIDT2NUM(ucred_geteuid(uc)), GIDT2NUM(ucred_getegid(uc))); ucred_free(uc); return ret; @@ -427,6 +487,10 @@ bsock_getpeereid(VALUE self) * * Note that addrinfo.protocol is filled by 0. * + * TCPSocket.open("www.ruby-lang.org", 80) {|s| + * p s.local_address #=> #<Addrinfo: 192.168.0.129:36873 TCP> + * } + * * TCPServer.open("127.0.0.1", 1512) {|serv| * p serv.local_address #=> #<Addrinfo: 127.0.0.1:1512 TCP> * } @@ -435,14 +499,16 @@ bsock_getpeereid(VALUE self) static VALUE bsock_local_address(VALUE sock) { - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buf; + socklen_t len = (socklen_t)sizeof buf; + socklen_t len0 = len; rb_io_t *fptr; GetOpenFile(sock, fptr); - if (getsockname(fptr->fd, (struct sockaddr*)&buf, &len) < 0) - rb_sys_fail("getsockname(2)"); - return rsock_fd_socket_addrinfo(fptr->fd, (struct sockaddr *)&buf, len); + if (getsockname(fptr->fd, &buf.addr, &len) < 0) + rb_sys_fail("getsockname(2)"); + if (len0 < len) len = len0; + return rsock_fd_socket_addrinfo(fptr->fd, &buf.addr, len); } /* @@ -453,6 +519,10 @@ bsock_local_address(VALUE sock) * * Note that addrinfo.protocol is filled by 0. * + * TCPSocket.open("www.ruby-lang.org", 80) {|s| + * p s.remote_address #=> #<Addrinfo: 221.186.184.68:80 TCP> + * } + * * TCPServer.open("127.0.0.1", 1728) {|serv| * c = TCPSocket.new("127.0.0.1", 1728) * s = serv.accept @@ -463,19 +533,21 @@ bsock_local_address(VALUE sock) static VALUE bsock_remote_address(VALUE sock) { - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buf; + socklen_t len = (socklen_t)sizeof buf; + socklen_t len0 = len; rb_io_t *fptr; GetOpenFile(sock, fptr); - if (getpeername(fptr->fd, (struct sockaddr*)&buf, &len) < 0) - rb_sys_fail("getpeername(2)"); - return rsock_fd_socket_addrinfo(fptr->fd, (struct sockaddr *)&buf, len); + if (getpeername(fptr->fd, &buf.addr, &len) < 0) + rb_sys_fail("getpeername(2)"); + if (len0 < len) len = len0; + return rsock_fd_socket_addrinfo(fptr->fd, &buf.addr, len); } /* * call-seq: - * basicsocket.send(mesg, flags [, sockaddr_to]) => numbytes_sent + * basicsocket.send(mesg, flags [, dest_sockaddr]) => numbytes_sent * * send _mesg_ via _basicsocket_. * @@ -483,7 +555,7 @@ bsock_remote_address(VALUE sock) * * _flags_ should be a bitwise OR of Socket::MSG_* constants. * - * _sockaddr_to_ should be a packed sockaddr string or an addrinfo. + * _dest_sockaddr_ should be a packed sockaddr string or an addrinfo. * * TCPSocket.open("localhost", 80) {|s| * s.send "GET / HTTP/1.0\r\n\r\n", 0 @@ -491,39 +563,50 @@ bsock_remote_address(VALUE sock) * } */ VALUE -rsock_bsock_send(int argc, VALUE *argv, VALUE sock) +rsock_bsock_send(int argc, VALUE *argv, VALUE socket) { struct rsock_send_arg arg; VALUE flags, to; rb_io_t *fptr; - int n; rb_blocking_function_t *func; + const char *funcname; - rb_secure(4); rb_scan_args(argc, argv, "21", &arg.mesg, &flags, &to); StringValue(arg.mesg); if (!NIL_P(to)) { - SockAddrStringValue(to); - to = rb_str_new4(to); - arg.to = (struct sockaddr *)RSTRING_PTR(to); - arg.tolen = RSTRING_LEN(to); - func = rsock_sendto_blocking; + SockAddrStringValue(to); + to = rb_str_new4(to); + arg.to = (struct sockaddr *)RSTRING_PTR(to); + arg.tolen = RSTRING_SOCKLEN(to); + func = rsock_sendto_blocking; + funcname = "sendto(2)"; } else { - func = rsock_send_blocking; + func = rsock_send_blocking; + funcname = "send(2)"; } - GetOpenFile(sock, fptr); + + RB_IO_POINTER(socket, fptr); + arg.fd = fptr->fd; arg.flags = NUM2INT(flags); - while (rb_thread_fd_writable(arg.fd), - (n = (int)BLOCKING_REGION(func, &arg)) < 0) { - if (rb_io_wait_writable(arg.fd)) { - continue; - } - rb_sys_fail("send(2)"); + + while (true) { +#ifdef RSOCK_WAIT_BEFORE_BLOCKING + rb_io_wait(socket, RB_INT2NUM(RUBY_IO_WRITABLE), Qnil); +#endif + + ssize_t n = (ssize_t)rb_io_blocking_region(fptr, func, &arg); + + if (n >= 0) return SSIZET2NUM(n); + + if (rb_io_maybe_wait_writable(errno, socket, RUBY_IO_TIMEOUT_DEFAULT)) { + continue; + } + + rb_sys_fail(funcname); } - return INT2FIX(n); } /* @@ -532,11 +615,15 @@ rsock_bsock_send(int argc, VALUE *argv, VALUE sock) * * Gets the do_not_reverse_lookup flag of _basicsocket_. * + * require 'socket' + * + * BasicSocket.do_not_reverse_lookup = false * TCPSocket.open("www.ruby-lang.org", 80) {|sock| * p sock.do_not_reverse_lookup #=> false - * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] - * sock.do_not_reverse_lookup = true - * p sock.peeraddr #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] + * } + * BasicSocket.do_not_reverse_lookup = true + * TCPSocket.open("www.ruby-lang.org", 80) {|sock| + * p sock.do_not_reverse_lookup #=> true * } */ static VALUE @@ -554,10 +641,12 @@ bsock_do_not_reverse_lookup(VALUE sock) * * Sets the do_not_reverse_lookup flag of _basicsocket_. * - * BasicSocket.do_not_reverse_lookup = false - * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> false - * BasicSocket.do_not_reverse_lookup = true - * p TCPSocket.new("127.0.0.1", 80).do_not_reverse_lookup #=> true + * TCPSocket.open("www.ruby-lang.org", 80) {|sock| + * p sock.do_not_reverse_lookup #=> true + * p sock.peeraddr #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] + * sock.do_not_reverse_lookup = false + * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "54.163.249.195"] + * } * */ static VALUE @@ -565,21 +654,19 @@ bsock_do_not_reverse_lookup_set(VALUE sock, VALUE state) { rb_io_t *fptr; - rb_secure(4); GetOpenFile(sock, fptr); if (RTEST(state)) { - fptr->mode |= FMODE_NOREVLOOKUP; + fptr->mode |= FMODE_NOREVLOOKUP; } else { - fptr->mode &= ~FMODE_NOREVLOOKUP; + fptr->mode &= ~FMODE_NOREVLOOKUP; } return sock; } /* * call-seq: - * basicsocket.recv(maxlen) => mesg - * basicsocket.recv(maxlen, flags) => mesg + * basicsocket.recv(maxlen[, flags[, outbuf]]) => mesg * * Receives a message. * @@ -587,6 +674,9 @@ bsock_do_not_reverse_lookup_set(VALUE sock, VALUE state) * * _flags_ should be a bitwise OR of Socket::MSG_* constants. * + * _outbuf_ will contain only the received data after the method call + * even if it is not empty at the beginning. + * * UNIXSocket.pair {|s1, s2| * s1.puts "Hello World" * p s2.recv(4) #=> "Hell" @@ -601,55 +691,11 @@ bsock_recv(int argc, VALUE *argv, VALUE sock) return rsock_s_recvfrom(sock, argc, argv, RECV_RECV); } -/* - * call-seq: - * basicsocket.recv_nonblock(maxlen) => mesg - * basicsocket.recv_nonblock(maxlen, flags) => mesg - * - * Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * _flags_ is zero or more of the +MSG_+ options. - * The result, _mesg_, is the data received. - * - * When recvfrom(2) returns 0, Socket#recv_nonblock returns - * an empty string as data. - * The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * - * === Example - * serv = TCPServer.new("127.0.0.1", 0) - * af, port, host, addr = serv.addr - * c = TCPSocket.new(addr, port) - * s = serv.accept - * c.send "aaa", 0 - * begin # emulate blocking recv. - * p s.recv_nonblock(10) #=> "aaa" - * rescue IO::WaitReadable - * IO.select([s]) - * retry - * end - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recv_nonblock_ fails. - * - * BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK or Errno::AGAIN, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying recv_nonblock. - * - * === See - * * Socket#recvfrom - */ - +/* :nodoc: */ static VALUE -bsock_recv_nonblock(int argc, VALUE *argv, VALUE sock) +bsock_recv_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, VALUE ex) { - return rsock_s_recvfrom_nonblock(sock, argc, argv, RECV_RECV); + return rsock_s_recvfrom_nonblock(sock, len, flg, str, ex, RECV_RECV); } /* @@ -661,7 +707,7 @@ bsock_recv_nonblock(int argc, VALUE *argv, VALUE sock) * BasicSocket.do_not_reverse_lookup #=> false */ static VALUE -bsock_do_not_rev_lookup(void) +bsock_do_not_rev_lookup(VALUE _) { return rsock_do_not_reverse_lookup?Qtrue:Qfalse; } @@ -685,24 +731,25 @@ bsock_do_not_rev_lookup(void) static VALUE bsock_do_not_rev_lookup_set(VALUE self, VALUE val) { - rb_secure(4); rsock_do_not_reverse_lookup = RTEST(val); return val; } -/* - * BasicSocket class - */ void -Init_basicsocket(void) +rsock_init_basicsocket(void) { + /* + * Document-class: BasicSocket < IO + * + * BasicSocket is the super class for all the Socket classes. + */ rb_cBasicSocket = rb_define_class("BasicSocket", rb_cIO); rb_undef_method(rb_cBasicSocket, "initialize"); rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup", - bsock_do_not_rev_lookup, 0); + bsock_do_not_rev_lookup, 0); rb_define_singleton_method(rb_cBasicSocket, "do_not_reverse_lookup=", - bsock_do_not_rev_lookup_set, 1); + bsock_do_not_rev_lookup_set, 1); rb_define_singleton_method(rb_cBasicSocket, "for_fd", bsock_s_for_fd, 1); rb_define_method(rb_cBasicSocket, "close_read", bsock_close_read, 0); @@ -717,7 +764,29 @@ Init_basicsocket(void) rb_define_method(rb_cBasicSocket, "remote_address", bsock_remote_address, 0); rb_define_method(rb_cBasicSocket, "send", rsock_bsock_send, -1); rb_define_method(rb_cBasicSocket, "recv", bsock_recv, -1); - rb_define_method(rb_cBasicSocket, "recv_nonblock", bsock_recv_nonblock, -1); + rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup", bsock_do_not_reverse_lookup, 0); rb_define_method(rb_cBasicSocket, "do_not_reverse_lookup=", bsock_do_not_reverse_lookup_set, 1); + + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cBasicSocket, + "__recv_nonblock", bsock_recv_nonblock, 4); + +#if MSG_DONTWAIT_RELIABLE + rb_define_private_method(rb_cBasicSocket, + "__read_nonblock", rsock_read_nonblock, 3); + rb_define_private_method(rb_cBasicSocket, + "__write_nonblock", rsock_write_nonblock, 2); +#endif + + /* in ancdata.c */ + rb_define_private_method(rb_cBasicSocket, "__sendmsg", + rsock_bsock_sendmsg, 4); + rb_define_private_method(rb_cBasicSocket, "__sendmsg_nonblock", + rsock_bsock_sendmsg_nonblock, 5); + rb_define_private_method(rb_cBasicSocket, "__recvmsg", + rsock_bsock_recvmsg, 4); + rb_define_private_method(rb_cBasicSocket, "__recvmsg_nonblock", + rsock_bsock_recvmsg_nonblock, 5); + } diff --git a/ext/socket/constants.c b/ext/socket/constants.c index 4350a127d5..1213f2ae17 100644 --- a/ext/socket/constants.c +++ b/ext/socket/constants.c @@ -15,26 +15,25 @@ static VALUE rb_mSockConst; #include "constdefs.c" static int -constant_arg(VALUE arg, int (*str_to_int)(const char*, int, int*), const char *errmsg) +constant_arg(VALUE arg, int (*str_to_int)(const char*, long, int*), const char *errmsg) { VALUE tmp; char *ptr; int ret; if (SYMBOL_P(arg)) { - arg = rb_sym_to_s(arg); + arg = rb_sym2str(arg); goto str; } else if (!NIL_P(tmp = rb_check_string_type(arg))) { - arg = tmp; + arg = tmp; str: - rb_check_safe_obj(arg); ptr = RSTRING_PTR(arg); if (str_to_int(ptr, RSTRING_LEN(arg), &ret) == -1) - rb_raise(rb_eSocket, "%s: %s", errmsg, ptr); + rb_raise(rb_eSocket, "%s: %s", errmsg, ptr); } else { - ret = NUM2INT(arg); + ret = NUM2INT(arg); } return ret; } @@ -105,7 +104,7 @@ rsock_cmsg_type_arg(int family, int level, VALUE type) return constant_arg(type, rsock_scm_optname_to_int, "unknown UNIX control message"); case IPPROTO_IP: return constant_arg(type, rsock_ip_optname_to_int, "unknown IP control message"); -#ifdef INET6 +#ifdef IPPROTO_IPV6 case IPPROTO_IPV6: return constant_arg(type, rsock_ipv6_optname_to_int, "unknown IPv6 control message"); #endif @@ -138,9 +137,8 @@ rsock_shutdown_how_arg(VALUE how) * Socket::Constants module */ void -Init_socket_constants(void) +rsock_init_socket_constants(void) { /* constants */ - rb_mSockConst = rb_define_module_under(rb_cSocket, "Constants"); init_constants(); } diff --git a/ext/socket/depend b/ext/socket/depend index 000a013c5f..77f6239a3d 100644 --- a/ext/socket/depend +++ b/ext/socket/depend @@ -1,25 +1,3254 @@ -SOCK_HEADERS = $(srcdir)/rubysocket.h $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \ - $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/io.h \ - $(srcdir)/sockport.h constdefs.h +srcs: constdefs.h constdefs.c -init.o: init.c $(SOCK_HEADERS) -constants.o: constants.c constdefs.c $(SOCK_HEADERS) -basicsocket.o: basicsocket.c $(SOCK_HEADERS) -socket.o: socket.c $(SOCK_HEADERS) -ipsocket.o: ipsocket.c $(SOCK_HEADERS) -tcpsocket.o: tcpsocket.c $(SOCK_HEADERS) -tcpserver.o: tcpserver.c $(SOCK_HEADERS) -sockssocket.o: sockssocket.c $(SOCK_HEADERS) -udpsocket.o: udpsocket.c $(SOCK_HEADERS) -unixsocket.o: unixsocket.c $(SOCK_HEADERS) -unixserver.o: unixserver.c $(SOCK_HEADERS) -option.o: option.c $(SOCK_HEADERS) -ancdata.o: ancdata.c $(SOCK_HEADERS) -raddrinfo.o: raddrinfo.c $(SOCK_HEADERS) - -getnameinfo.o: getnameinfo.c $(arch_hdrdir)/ruby/config.h addrinfo.h sockport.h +getnameinfo.o: getnameinfo.c $(arch_hdrdir)/ruby/config.h addrinfo.h sockport.h rubysocket.h getaddrinfo.o: getaddrinfo.c $(arch_hdrdir)/ruby/config.h addrinfo.h sockport.h -constdefs.h constdefs.c : $(srcdir)/mkconstants.rb +constdefs.h: $(srcdir)/mkconstants.rb @echo "generating constant definitions" @$(RUBY) $(srcdir)/mkconstants.rb -H constdefs.h -o constdefs.c + +constdefs.c: constdefs.h + +# AUTOGENERATED DEPENDENCIES START +ancdata.o: $(RUBY_EXTCONF_H) +ancdata.o: $(arch_hdrdir)/ruby/config.h +ancdata.o: $(hdrdir)/ruby/assert.h +ancdata.o: $(hdrdir)/ruby/atomic.h +ancdata.o: $(hdrdir)/ruby/backward.h +ancdata.o: $(hdrdir)/ruby/backward/2/assume.h +ancdata.o: $(hdrdir)/ruby/backward/2/attributes.h +ancdata.o: $(hdrdir)/ruby/backward/2/bool.h +ancdata.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h +ancdata.o: $(hdrdir)/ruby/backward/2/inttypes.h +ancdata.o: $(hdrdir)/ruby/backward/2/limits.h +ancdata.o: $(hdrdir)/ruby/backward/2/long_long.h +ancdata.o: $(hdrdir)/ruby/backward/2/stdalign.h +ancdata.o: $(hdrdir)/ruby/backward/2/stdarg.h +ancdata.o: $(hdrdir)/ruby/defines.h +ancdata.o: $(hdrdir)/ruby/encoding.h +ancdata.o: $(hdrdir)/ruby/fiber/scheduler.h +ancdata.o: $(hdrdir)/ruby/intern.h +ancdata.o: $(hdrdir)/ruby/internal/abi.h +ancdata.o: $(hdrdir)/ruby/internal/anyargs.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/char.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/double.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/fixnum.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/gid_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/int.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/intptr_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/long.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/long_long.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/mode_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/off_t.h +ancdata.o: 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$(hdrdir)/ruby/internal/attr/const.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/constexpr.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/deprecated.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/diagnose_if.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/enum_extensibility.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/error.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/flag_enum.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/forceinline.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/format.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/maybe_unused.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/noalias.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/nodiscard.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/nonnull.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/noreturn.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/packed_struct.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/pure.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/restrict.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/warning.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/weakref.h +unixsocket.o: $(hdrdir)/ruby/internal/cast.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/apple.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/clang.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/gcc.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/intel.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/msvc.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_is/sunpro.h +unixsocket.o: $(hdrdir)/ruby/internal/compiler_since.h +unixsocket.o: $(hdrdir)/ruby/internal/config.h +unixsocket.o: $(hdrdir)/ruby/internal/constant_p.h +unixsocket.o: $(hdrdir)/ruby/internal/core.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rarray.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rbasic.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rbignum.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rclass.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rdata.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rfile.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rhash.h +unixsocket.o: $(hdrdir)/ruby/internal/core/robject.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rregexp.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rstring.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rstruct.h +unixsocket.o: $(hdrdir)/ruby/internal/core/rtypeddata.h +unixsocket.o: $(hdrdir)/ruby/internal/ctype.h +unixsocket.o: $(hdrdir)/ruby/internal/dllexport.h +unixsocket.o: $(hdrdir)/ruby/internal/dosish.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/coderange.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/ctype.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/encoding.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/pathname.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/re.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/sprintf.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/string.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/symbol.h +unixsocket.o: $(hdrdir)/ruby/internal/encoding/transcode.h +unixsocket.o: $(hdrdir)/ruby/internal/error.h +unixsocket.o: $(hdrdir)/ruby/internal/eval.h +unixsocket.o: $(hdrdir)/ruby/internal/event.h +unixsocket.o: $(hdrdir)/ruby/internal/fl_type.h +unixsocket.o: $(hdrdir)/ruby/internal/gc.h +unixsocket.o: $(hdrdir)/ruby/internal/glob.h +unixsocket.o: $(hdrdir)/ruby/internal/globals.h +unixsocket.o: $(hdrdir)/ruby/internal/has/attribute.h +unixsocket.o: $(hdrdir)/ruby/internal/has/builtin.h +unixsocket.o: $(hdrdir)/ruby/internal/has/c_attribute.h +unixsocket.o: $(hdrdir)/ruby/internal/has/cpp_attribute.h +unixsocket.o: $(hdrdir)/ruby/internal/has/declspec_attribute.h +unixsocket.o: $(hdrdir)/ruby/internal/has/extension.h +unixsocket.o: $(hdrdir)/ruby/internal/has/feature.h +unixsocket.o: $(hdrdir)/ruby/internal/has/warning.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/array.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/bignum.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/class.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/compar.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/complex.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/cont.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/dir.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/enum.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/enumerator.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/error.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/eval.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/file.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/hash.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/io.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/load.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/marshal.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/numeric.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/object.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/parse.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/proc.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/process.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/random.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/range.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/rational.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/re.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/ruby.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/select.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/select/largesize.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/set.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/signal.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/sprintf.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/string.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/struct.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/thread.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/time.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/variable.h +unixsocket.o: $(hdrdir)/ruby/internal/intern/vm.h +unixsocket.o: $(hdrdir)/ruby/internal/interpreter.h +unixsocket.o: $(hdrdir)/ruby/internal/iterator.h +unixsocket.o: $(hdrdir)/ruby/internal/memory.h +unixsocket.o: $(hdrdir)/ruby/internal/method.h +unixsocket.o: $(hdrdir)/ruby/internal/module.h +unixsocket.o: $(hdrdir)/ruby/internal/newobj.h +unixsocket.o: $(hdrdir)/ruby/internal/scan_args.h +unixsocket.o: $(hdrdir)/ruby/internal/special_consts.h +unixsocket.o: $(hdrdir)/ruby/internal/static_assert.h +unixsocket.o: $(hdrdir)/ruby/internal/stdalign.h +unixsocket.o: $(hdrdir)/ruby/internal/stdbool.h +unixsocket.o: $(hdrdir)/ruby/internal/stdckdint.h +unixsocket.o: $(hdrdir)/ruby/internal/symbol.h +unixsocket.o: $(hdrdir)/ruby/internal/value.h +unixsocket.o: $(hdrdir)/ruby/internal/value_type.h +unixsocket.o: $(hdrdir)/ruby/internal/variable.h +unixsocket.o: $(hdrdir)/ruby/internal/warning_push.h +unixsocket.o: $(hdrdir)/ruby/internal/xmalloc.h +unixsocket.o: $(hdrdir)/ruby/io.h +unixsocket.o: $(hdrdir)/ruby/missing.h +unixsocket.o: $(hdrdir)/ruby/onigmo.h +unixsocket.o: $(hdrdir)/ruby/oniguruma.h +unixsocket.o: $(hdrdir)/ruby/ruby.h +unixsocket.o: $(hdrdir)/ruby/st.h +unixsocket.o: $(hdrdir)/ruby/subst.h +unixsocket.o: $(hdrdir)/ruby/thread.h +unixsocket.o: $(hdrdir)/ruby/thread_native.h +unixsocket.o: $(hdrdir)/ruby/util.h +unixsocket.o: $(hdrdir)/ruby/version.h +unixsocket.o: $(top_srcdir)/ccan/check_type/check_type.h +unixsocket.o: $(top_srcdir)/ccan/container_of/container_of.h +unixsocket.o: $(top_srcdir)/ccan/list/list.h +unixsocket.o: $(top_srcdir)/ccan/str/str.h +unixsocket.o: $(top_srcdir)/encindex.h +unixsocket.o: $(top_srcdir)/id_table.h +unixsocket.o: $(top_srcdir)/internal.h +unixsocket.o: $(top_srcdir)/internal/array.h +unixsocket.o: $(top_srcdir)/internal/basic_operators.h +unixsocket.o: $(top_srcdir)/internal/box.h +unixsocket.o: $(top_srcdir)/internal/compilers.h +unixsocket.o: $(top_srcdir)/internal/error.h +unixsocket.o: $(top_srcdir)/internal/gc.h +unixsocket.o: $(top_srcdir)/internal/imemo.h +unixsocket.o: $(top_srcdir)/internal/io.h +unixsocket.o: $(top_srcdir)/internal/sanitizers.h +unixsocket.o: $(top_srcdir)/internal/serial.h +unixsocket.o: $(top_srcdir)/internal/set_table.h +unixsocket.o: $(top_srcdir)/internal/static_assert.h +unixsocket.o: $(top_srcdir)/internal/string.h +unixsocket.o: $(top_srcdir)/internal/thread.h +unixsocket.o: $(top_srcdir)/internal/vm.h +unixsocket.o: $(top_srcdir)/internal/warnings.h +unixsocket.o: $(top_srcdir)/method.h +unixsocket.o: $(top_srcdir)/node.h +unixsocket.o: $(top_srcdir)/ruby_assert.h +unixsocket.o: $(top_srcdir)/ruby_atomic.h +unixsocket.o: $(top_srcdir)/rubyparser.h +unixsocket.o: $(top_srcdir)/shape.h +unixsocket.o: $(top_srcdir)/thread_pthread.h +unixsocket.o: $(top_srcdir)/vm_core.h +unixsocket.o: $(top_srcdir)/vm_opts.h +unixsocket.o: constdefs.h +unixsocket.o: rubysocket.h +unixsocket.o: sockport.h +unixsocket.o: unixsocket.c +unixsocket.o: {$(VPATH)}id.h +# AUTOGENERATED DEPENDENCIES END diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb index 8b0f2eb110..a814e21c3a 100644 --- a/ext/socket/extconf.rb +++ b/ext/socket/extconf.rb @@ -1,123 +1,20 @@ +# frozen_string_literal: false require 'mkmf' -case RUBY_PLATFORM -when /(ms|bcc)win32|mingw/ - test_func = "WSACleanup" - have_library("ws2_32", "WSACleanup") -when /cygwin/ - test_func = "socket" -when /beos/ - test_func = "socket" - have_library("net", "socket") -when /haiku/ - test_func = "socket" - have_library("network", "socket") -when /i386-os2_emx/ - test_func = "socket" - have_library("socket", "socket") -else - test_func = "socket" - have_library("nsl", "t_open") - have_library("socket", "socket") -end - -unless $mswin or $bccwin or $mingw - headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h> -end -if /solaris/ =~ RUBY_PLATFORM and !try_compile("") - # bug of gcc 3.0 on Solaris 8 ? - headers << "sys/feature_tests.h" -end -if have_header("arpa/inet.h") - headers << "arpa/inet.h" -end - -ipv6 = false -default_ipv6 = /mswin|cygwin|beos|haiku/ !~ RUBY_PLATFORM -if enable_config("ipv6", default_ipv6) - if checking_for("ipv6") {try_link(<<EOF)} +AF_INET6_SOCKET_CREATION_TEST = <<EOF #include <sys/types.h> #ifndef _WIN32 #include <sys/socket.h> #endif int -main() +main(void) { socket(AF_INET6, SOCK_STREAM, 0); + return 0; } EOF - $defs << "-DENABLE_IPV6" << "-DINET6" - ipv6 = true - end -end -if ipv6 - if $mingw - $CPPFLAGS << " -D_WIN32_WINNT=0x501" - end - ipv6lib = nil - class << (fmt = "unknown") - def %(s) s || self end - end - idirs, ldirs = dir_config("inet6", %w[/usr/inet6 /usr/local/v6].find {|d| File.directory?(d)}) - checking_for("ipv6 type", fmt) do - if have_macro("IPV6_INRIA_VERSION", "netinet/in.h") - "inria" - elsif have_macro("__KAME__", "netinet/in.h") - have_library(ipv6lib = "inet6") - "kame" - elsif have_macro("_TOSHIBA_INET6", "sys/param.h") - have_library(ipv6lib = "inet6") and "toshiba" - elsif have_macro("__V6D__", "sys/v6config.h") - have_library(ipv6lib = "v6") and "v6d" - elsif have_macro("_ZETA_MINAMI_INET6", "sys/param.h") - have_library(ipv6lib = "inet6") and "zeta" - elsif ipv6lib = with_config("ipv6-lib") - warn <<EOS ---with-ipv6-lib and --with-ipv6-libdir option will be obsolete, use ---with-inet6lib and --with-inet6-{include,lib} options instead. -EOS - find_library(ipv6lib, nil, with_config("ipv6-libdir", ldirs)) and - ipv6lib - elsif have_library("inet6") - "inet6" - end - end or not ipv6lib or abort <<EOS - -Fatal: no #{ipv6lib} library found. cannot continue. -You need to fetch lib#{ipv6lib}.a from appropriate -ipv6 kit and compile beforehand. -EOS -end - -if have_struct_member("struct sockaddr_in", "sin_len", headers) - $defs[-1] = "-DHAVE_SIN_LEN" -end - -# doug's fix, NOW add -Dss_family... only if required! -doug = proc {have_struct_member("struct sockaddr_storage", "ss_family", headers)} -if (doug[] or - with_cppflags($CPPFLAGS + " -Dss_family=__ss_family", &doug)) - $defs[-1] = "-DHAVE_SOCKADDR_STORAGE" - doug = proc {have_struct_member("struct sockaddr_storage", "ss_len", headers)} - doug[] or with_cppflags($CPPFLAGS + " -Dss_len=__ss_len", &doug) -end - -if have_struct_member("struct sockaddr", "sa_len", headers) - $defs[-1] = "-DHAVE_SA_LEN " -end - -have_header("netinet/tcp.h") if not /cygwin/ =~ RUBY_PLATFORM # for cygwin 1.1.5 -have_header("netinet/udp.h") - -if have_func("sendmsg") | have_func("recvmsg") - have_struct_member('struct msghdr', 'msg_control', ['sys/types.h', 'sys/socket.h']) - have_struct_member('struct msghdr', 'msg_accrights', ['sys/types.h', 'sys/socket.h']) -end - -getaddr_info_ok = enable_config("wide-getaddrinfo") do - checking_for("wide getaddrinfo") {try_run(<<EOF)} -#{cpp_include(headers)} +GETADDRINFO_GETNAMEINFO_TEST = <<EOF #include <stdlib.h> #ifndef EXIT_SUCCESS @@ -132,7 +29,7 @@ getaddr_info_ok = enable_config("wide-getaddrinfo") do #endif int -main() +main(void) { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; @@ -216,69 +113,365 @@ main() if (aitop) freeaddrinfo(aitop); - exit(EXIT_SUCCESS); + return EXIT_SUCCESS; bad: if (aitop) freeaddrinfo(aitop); - exit(EXIT_FAILURE); + return EXIT_FAILURE; } EOF -end -if ipv6 and not getaddr_info_ok - abort <<EOS -Fatal: --enable-ipv6 is specified, and your OS seems to support IPv6 feature. -But your getaddrinfo() and getnameinfo() are appeared to be broken. Sorry, -you cannot compile IPv6 socket classes with broken these functions. -You can try --enable-wide-getaddrinfo. +RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST = <<'EOF' +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <unistd.h> + +int main(int argc, char *argv[]) +{ + int ps[2], sv[2]; + int ret; + ssize_t ss; + int s_fd, r_fd; + struct msghdr s_msg, r_msg; + union { + struct cmsghdr hdr; + char dummy[CMSG_SPACE(sizeof(int))]; + } s_cmsg, r_cmsg; + struct iovec s_iov, r_iov; + char s_buf[1], r_buf[1]; + struct stat s_statbuf, r_statbuf; + + ret = pipe(ps); + if (ret == -1) { perror("pipe"); exit(EXIT_FAILURE); } + + s_fd = ps[0]; + + ret = socketpair(AF_UNIX, SOCK_DGRAM, 0, sv); + if (ret == -1) { perror("socketpair"); exit(EXIT_FAILURE); } + + s_msg.msg_name = NULL; + s_msg.msg_namelen = 0; + s_msg.msg_iov = &s_iov; + s_msg.msg_iovlen = 1; + s_msg.msg_control = &s_cmsg; + s_msg.msg_controllen = CMSG_SPACE(sizeof(int));; + s_msg.msg_flags = 0; + + s_iov.iov_base = &s_buf; + s_iov.iov_len = sizeof(s_buf); + + s_buf[0] = 'a'; + + s_cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); + s_cmsg.hdr.cmsg_level = SOL_SOCKET; + s_cmsg.hdr.cmsg_type = SCM_RIGHTS; + memcpy(CMSG_DATA(&s_cmsg.hdr), (char *)&s_fd, sizeof(int)); + + ss = sendmsg(sv[0], &s_msg, 0); + if (ss == -1) { perror("sendmsg"); exit(EXIT_FAILURE); } + + r_msg.msg_name = NULL; + r_msg.msg_namelen = 0; + r_msg.msg_iov = &r_iov; + r_msg.msg_iovlen = 1; + r_msg.msg_control = &r_cmsg; + r_msg.msg_controllen = CMSG_SPACE(sizeof(int)); + r_msg.msg_flags = 0; + + r_iov.iov_base = &r_buf; + r_iov.iov_len = sizeof(r_buf); + + r_buf[0] = '0'; + + memset(&r_cmsg, 0xff, CMSG_SPACE(sizeof(int))); + + ss = recvmsg(sv[1], &r_msg, MSG_PEEK); + if (ss == -1) { perror("recvmsg"); exit(EXIT_FAILURE); } + + if (ss != 1) { + fprintf(stderr, "unexpected return value from recvmsg: %ld\n", (long)ss); + exit(EXIT_FAILURE); + } + if (r_buf[0] != 'a') { + fprintf(stderr, "unexpected return data from recvmsg: 0x%02x\n", r_buf[0]); + exit(EXIT_FAILURE); + } + + if (r_msg.msg_controllen < CMSG_LEN(sizeof(int))) { + fprintf(stderr, "unexpected: r_msg.msg_controllen < CMSG_LEN(sizeof(int)) not hold: %ld\n", + (long)r_msg.msg_controllen); + exit(EXIT_FAILURE); + } + if (r_cmsg.hdr.cmsg_len < CMSG_LEN(sizeof(int))) { + fprintf(stderr, "unexpected: r_cmsg.hdr.cmsg_len < CMSG_LEN(sizeof(int)) not hold: %ld\n", + (long)r_cmsg.hdr.cmsg_len); + exit(EXIT_FAILURE); + } + memcpy((char *)&r_fd, CMSG_DATA(&r_cmsg.hdr), sizeof(int)); + + if (r_fd < 0) { + fprintf(stderr, "negative r_fd: %d\n", r_fd); + exit(EXIT_FAILURE); + } + + if (r_fd == s_fd) { + fprintf(stderr, "r_fd and s_fd is same: %d\n", r_fd); + exit(EXIT_FAILURE); + } + + ret = fstat(s_fd, &s_statbuf); + if (ret == -1) { perror("fstat(s_fd)"); exit(EXIT_FAILURE); } + + ret = fstat(r_fd, &r_statbuf); + if (ret == -1) { perror("fstat(r_fd)"); exit(EXIT_FAILURE); } + + if (s_statbuf.st_dev != r_statbuf.st_dev || + s_statbuf.st_ino != r_statbuf.st_ino) { + fprintf(stderr, "dev/ino doesn't match: s_fd:%ld/%ld r_fd:%ld/%ld\n", + (long)s_statbuf.st_dev, (long)s_statbuf.st_ino, + (long)r_statbuf.st_dev, (long)r_statbuf.st_ino); + exit(EXIT_FAILURE); + } + + return EXIT_SUCCESS; +} +EOF + +def test_recvmsg_with_msg_peek_creates_fds(headers) + case RUBY_PLATFORM + when /linux/ + # Linux 2.6.38 allocate fds by recvmsg with MSG_PEEK. + close_fds = true + when /bsd|darwin/ + # FreeBSD 8.2.0, NetBSD 5 and MacOS X Snow Leopard doesn't + # allocate fds by recvmsg with MSG_PEEK. + # [ruby-dev:44189] + # http://bugs.ruby-lang.org/issues/5075 + close_fds = false + when /cygwin/ + # Cygwin doesn't support fd passing. + # http://cygwin.com/ml/cygwin/2003-09/msg01808.html + close_fds = false + else + close_fds = nil + end + if !CROSS_COMPILING + if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") { + try_run(cpp_include(headers) + RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST) + } + if close_fds == false + warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation unexpected." + elsif close_fds == nil + puts "info: #{RUBY_PLATFORM} recvmsg() with MSG_PEEK allocates fds on fd-passing." + end + close_fds = true + else + if close_fds == true + warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation expected." + elsif close_fds == nil + puts "info: #{RUBY_PLATFORM}: recvmsg() with MSG_PEEK doesn't allocates fds on fd-passing." + end + close_fds = false + end + end + if close_fds == nil + abort <<EOS +Fatal: cannot test fd-passing recvmsg() with MSG_PEEK behavor +because cross-compilation for #{RUBY_PLATFORM}. +If recvmsg() with MSG_PEEK allocates fds on fd passing: +--enable-close-fds-by-recvmsg-with-peek +If recvmsg() with MSG_PEEK doesn't allocate fds on fd passing: +--disable-close-fds-by-recvmsg-with-peek EOS + end + close_fds end -case with_config("lookup-order-hack", "UNSPEC") -when "INET" - $defs << "-DLOOKUP_ORDER_HACK_INET" -when "INET6" - $defs << "-DLOOKUP_ORDER_HACK_INET6" -when "UNSPEC" - # nothing special -else - abort <<EOS +$INCFLAGS << " -I$(topdir) -I$(top_srcdir)" -Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC) -EOS +if /darwin/ =~ RUBY_PLATFORM + # For IPv6 extension header access on OS X 10.7+ [Bug #8517] + $CFLAGS << " -D__APPLE_USE_RFC_3542" end -$objs = [ - "init.#{$OBJEXT}", - "constants.#{$OBJEXT}", - "basicsocket.#{$OBJEXT}", - "socket.#{$OBJEXT}", - "ipsocket.#{$OBJEXT}", - "tcpsocket.#{$OBJEXT}", - "tcpserver.#{$OBJEXT}", - "sockssocket.#{$OBJEXT}", - "udpsocket.#{$OBJEXT}", - "unixsocket.#{$OBJEXT}", - "unixserver.#{$OBJEXT}", - "option.#{$OBJEXT}", - "ancdata.#{$OBJEXT}", - "raddrinfo.#{$OBJEXT}" -] - -unless getaddr_info_ok and have_func("getnameinfo", headers) and have_func("getaddrinfo", headers) - if have_struct_member("struct in6_addr", "s6_addr8", headers) - $defs[-1] = "-DHAVE_ADDR8" +headers = [] +unless $mswin or $mingw + headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h> +end + +%w[ + sys/uio.h + xti.h + netinet/in_systm.h + netinet/tcp.h + netinet/tcp_fsm.h + netinet/udp.h + arpa/inet.h + netpacket/packet.h + net/ethernet.h + sys/un.h + afunix.h + ifaddrs.h + sys/ioctl.h + sys/sockio.h + net/if.h + sys/param.h + sys/ucred.h + ucred.h + net/if_dl.h + arpa/nameser.h + resolv.h + pthread.h + sched.h +].each {|h| + if have_header(h, headers) + headers << h end - $CPPFLAGS="-I. "+$CPPFLAGS - $objs += ["getaddrinfo.#{$OBJEXT}"] - $objs += ["getnameinfo.#{$OBJEXT}"] - $defs << "-DGETADDRINFO_EMU" - have_func("inet_ntop") or have_func("inet_ntoa") - have_func("inet_pton") or have_func("inet_aton") - have_func("getservbyport") - if have_func("gai_strerror") - unless checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)} +} + +have_struct_member("struct sockaddr", "sa_len", headers) # 4.4BSD +have_struct_member("struct sockaddr_in", "sin_len", headers) # 4.4BSD +have_struct_member("struct sockaddr_in6", "sin6_len", headers) # 4.4BSD + +if have_type("struct sockaddr_un", headers) # POSIX + have_struct_member("struct sockaddr_un", "sun_len", headers) # 4.4BSD +end + +have_type("struct sockaddr_dl", headers) # AF_LINK address. 4.4BSD since Net2 + +have_type("struct sockaddr_storage", headers) + +have_type("struct addrinfo", headers) + +def check_socklen(headers) + def (fmt = "none").%(x) + x || self + end + s = checking_for("RSTRING_SOCKLEN", fmt) do + if try_static_assert("sizeof(socklen_t) >= sizeof(long)", headers) + "RSTRING_LEN" + else + "RSTRING_LENINT" + end + end + $defs << "-DRSTRING_SOCKLEN=(socklen_t)"+s +end + +if have_type("socklen_t", headers) + check_socklen(headers) +end + +have_type("struct in_pktinfo", headers) {|src| + src.sub(%r'^/\*top\*/', '\&'"\n#if defined(IPPROTO_IP) && defined(IP_PKTINFO)") << + "#else\n" << "#error\n" << ">>>>>> no in_pktinfo <<<<<<\n" << "#endif\n" +} and have_struct_member("struct in_pktinfo", "ipi_spec_dst", headers) +have_type("struct in6_pktinfo", headers) {|src| + src.sub(%r'^/\*top\*/', '\&'"\n#if defined(IPPROTO_IPV6) && defined(IPV6_PKTINFO)") << + "#else\n" << "#error\n" << ">>>>>> no in6_pktinfo <<<<<<\n" << "#endif\n" +} + +have_type("struct sockcred", headers) +have_type("struct cmsgcred", headers) + +have_type("struct ip_mreq", headers) # 4.4BSD +have_type("struct ip_mreqn", headers) # Linux 2.4 +have_type("struct ipv6_mreq", headers) # RFC 3493 + +have_msg_control = nil +have_msg_control = have_struct_member('struct msghdr', 'msg_control', headers) unless $mswin or $mingw +have_struct_member('struct msghdr', 'msg_accrights', headers) + +if have_type("struct tcp_info", headers) + have_const("TCP_ESTABLISHED", headers) + have_const("TCP_SYN_SENT", headers) + have_const("TCP_SYN_RECV", headers) + have_const("TCP_FIN_WAIT1", headers) + have_const("TCP_FIN_WAIT2", headers) + have_const("TCP_TIME_WAIT", headers) + have_const("TCP_CLOSE", headers) + have_const("TCP_CLOSE_WAIT", headers) + have_const("TCP_LAST_ACK", headers) + have_const("TCP_LISTEN", headers) + have_const("TCP_CLOSING", headers) + have_struct_member('struct tcp_info', 'tcpi_state', headers) + if /solaris/ !~ RUBY_PLATFORM + have_struct_member('struct tcp_info', 'tcpi_ca_state', headers) + end + have_struct_member('struct tcp_info', 'tcpi_retransmits', headers) + have_struct_member('struct tcp_info', 'tcpi_probes', headers) + have_struct_member('struct tcp_info', 'tcpi_backoff', headers) + have_struct_member('struct tcp_info', 'tcpi_options', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_wscale', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_wscale', headers) + have_struct_member('struct tcp_info', 'tcpi_rto', headers) + have_struct_member('struct tcp_info', 'tcpi_ato', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_mss', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_mss', headers) + have_struct_member('struct tcp_info', 'tcpi_unacked', headers) + have_struct_member('struct tcp_info', 'tcpi_sacked', headers) + have_struct_member('struct tcp_info', 'tcpi_lost', headers) + have_struct_member('struct tcp_info', 'tcpi_retrans', headers) + have_struct_member('struct tcp_info', 'tcpi_fackets', headers) + have_struct_member('struct tcp_info', 'tcpi_last_data_sent', headers) + have_struct_member('struct tcp_info', 'tcpi_last_ack_sent', headers) + have_struct_member('struct tcp_info', 'tcpi_last_data_recv', headers) + have_struct_member('struct tcp_info', 'tcpi_last_ack_recv', headers) + have_struct_member('struct tcp_info', 'tcpi_pmtu', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_ssthresh', headers) + have_struct_member('struct tcp_info', 'tcpi_rtt', headers) + have_struct_member('struct tcp_info', 'tcpi_rttvar', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_ssthresh', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_cwnd', headers) + have_struct_member('struct tcp_info', 'tcpi_advmss', headers) + have_struct_member('struct tcp_info', 'tcpi_reordering', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_rtt', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_space', headers) + have_struct_member('struct tcp_info', 'tcpi_total_retrans', headers) + + # FreeBSD extension + have_struct_member('struct tcp_info', 'tcpi_snd_wnd', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_bwnd', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_nxt', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_nxt', headers) + have_struct_member('struct tcp_info', 'tcpi_toe_tid', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_rexmitpack', headers) + have_struct_member('struct tcp_info', 'tcpi_rcv_ooopack', headers) + have_struct_member('struct tcp_info', 'tcpi_snd_zerowin', headers) +end + +case RUBY_PLATFORM +when /mswin(32|64)|mingw/ + test_func = "WSACleanup" + have_library("iphlpapi") + have_library("ws2_32", "WSACleanup", headers) +when /cygwin/ + test_func = "socket(0,0,0)" +when /haiku/ + test_func = "socket(0,0,0)" + have_library("network", "socket(0,0,0)", headers) +else + test_func = "socket(0,0,0)" + have_library("nsl", 't_open("", 0, (struct t_info *)NULL)', headers) # SunOS + have_library("socket", "socket(0,0,0)", headers) # SunOS +end + +if have_func(test_func, headers) + + have_func("sendmsg(0, (struct msghdr *)NULL, 0)", headers) # POSIX + have_recvmsg = have_func("recvmsg(0, (struct msghdr *)NULL, 0)", headers) # POSIX + + have_func("freehostent((struct hostent *)NULL)", headers) # RFC 2553 + have_func("freeaddrinfo((struct addrinfo *)NULL)", headers) # RFC 2553 + + if /haiku/ !~ RUBY_PLATFORM and + have_func("gai_strerror(0)", headers) # POSIX + if checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)} #{cpp_include(headers)} #include <stdlib.h> void @@ -290,63 +483,229 @@ EOF $defs << "-DGAI_STRERROR_CONST" end end - have_header("arpa/nameser.h") - have_header("resolv.h") -end -have_header("ifaddrs.h") -have_func("getifaddrs") -have_header("sys/ioctl.h") -have_header("sys/sockio.h") -have_header("net/if.h", headers) + have_func("accept4", headers) -have_header("sys/param.h", headers) -have_header("sys/ucred.h", headers) + have_func('inet_ntop(0, (const void *)0, (char *)0, 0)', headers) or + have_func("inet_ntoa(*(struct in_addr *)NULL)", headers) + have_func('inet_pton(0, "", (void *)0)', headers) or + have_func('inet_aton("", (struct in_addr *)0)', headers) + have_func('getservbyport(0, "")', headers) + have_func("getifaddrs((struct ifaddrs **)NULL)", headers) + have_struct_member("struct if_data", "ifi_vhid", headers) # FreeBSD -unless have_type("socklen_t", headers) - $defs << "-Dsocklen_t=int" -end + have_func("getpeereid", headers) -have_header("sys/un.h") -have_header("sys/uio.h") -have_type("struct in_pktinfo", headers) {|src| - src.sub(%r'^/\*top\*/', '\1'"\n#if defined(IPPROTO_IP) && defined(IP_PKTINFO)") << - "#else\n" << "#error\n" << ">>>>>> no in_pktinfo <<<<<<\n" << "#endif\n" -} -have_type("struct in6_pktinfo", headers) {|src| - src.sub(%r'^/\*top\*/', '\1'"\n#if defined(IPPROTO_IPV6) && defined(IPV6_PKTINFO)") << - "#else\n" << "#error\n" << ">>>>>> no in6_pktinfo <<<<<<\n" << "#endif\n" -} -if have_struct_member("struct in_pktinfo", "ipi_spec_dst", headers) - $defs[-1] = "-DHAVE_IPI_SPEC_DST" -end + have_func("getpeerucred(0, (ucred_t **)NULL)", headers) # SunOS -have_type("struct sockcred", headers) -have_type("struct cmsgcred", headers) + have_func_decl = proc do |name, headers| + # check if there is a declaration of <name> by trying to declare + # both "int <name>(void)" and "void <name>(void)" + # (at least one attempt should fail if there is a declaration) + if !checking_for("declaration of #{name}()") {!%w[int void].all? {|ret| try_compile(<<EOF)}} +#{cpp_include(headers)} +#{ret} #{name}(void); +EOF + $defs << "-DNEED_#{name.tr_cpp}_DECL" + end + end + if have_func('if_indextoname(0, "")', headers) + have_func_decl["if_indextoname", headers] + end + if have_func('if_nametoindex("")', headers) + have_func_decl["if_nametoindex", headers] + end + + have_func("hsterror", headers) + have_func('getipnodebyname("", 0, 0, (int *)0)', headers) # RFC 2553 + have_func('gethostbyname2("", 0)', headers) # RFC 2133 + have_func("socketpair(0, 0, 0, 0)", headers) + unless have_func("gethostname((char *)0, 0)", headers) + have_func("uname((struct utsname *)NULL)", headers) + end + + ipv6 = false + default_ipv6 = /haiku/ !~ RUBY_PLATFORM + if enable_config("ipv6", default_ipv6) + if checking_for("ipv6") {try_link(AF_INET6_SOCKET_CREATION_TEST)} + $defs << "-DENABLE_IPV6" << "-DINET6" + ipv6 = true + end + end + + if ipv6 + if $mingw + $CPPFLAGS << " -D_WIN32_WINNT=0x501" unless $CPPFLAGS.include?("_WIN32_WINNT") + end + ipv6lib = nil + class << (fmt = "unknown") + def %(s) s || self end + end + idirs, ldirs = dir_config("inet6", %w[/usr/inet6 /usr/local/v6].find {|d| File.directory?(d)}) + checking_for("ipv6 type", fmt) do + if have_macro("IPV6_INRIA_VERSION", "netinet/in.h") + "inria" + elsif have_macro("__KAME__", "netinet/in.h") + have_library(ipv6lib = "inet6") + "kame" + elsif have_macro("_TOSHIBA_INET6", "sys/param.h") + have_library(ipv6lib = "inet6") and "toshiba" + elsif have_macro("__V6D__", "sys/v6config.h") + have_library(ipv6lib = "v6") and "v6d" + elsif have_macro("_ZETA_MINAMI_INET6", "sys/param.h") + have_library(ipv6lib = "inet6") and "zeta" + elsif have_library("inet6") + "inet6" + end + end or not ipv6lib or abort <<EOS + +Fatal: no #{ipv6lib} library found. cannot continue. +You need to fetch lib#{ipv6lib}.a from appropriate +ipv6 kit and compile beforehand. +EOS + end + + if !have_macro("IPPROTO_IPV6", headers) && have_const("IPPROTO_IPV6", headers) + File.read(File.join(File.dirname(__FILE__), "mkconstants.rb")).sub(/\A.*^__END__$/m, '').split(/\r?\n/).grep(/\AIPPROTO_\w*/){$&}.each {|name| + have_const(name, headers) unless $defs.include?("-DHAVE_CONST_#{name.upcase}") + } + end + + if enable_config("close-fds-by-recvmsg-with-peek") { + have_msg_control && have_recvmsg && + have_const('AF_UNIX', headers) && have_const('SCM_RIGHTS', headers) && + test_recvmsg_with_msg_peek_creates_fds(headers) + } + $defs << "-DFD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK" + end + + case enable_config("wide-getaddrinfo") + when true + getaddr_info_ok = :wide + when nil, false + getaddr_info_ok = (:wide if getaddr_info_ok.nil?) + if have_func("getnameinfo", headers) and have_func("getaddrinfo", headers) + if CROSS_COMPILING || + $mingw || $mswin || + checking_for("system getaddrinfo working") { + try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST) + } + getaddr_info_ok = :os + end + end + else + raise "unexpected enable_config() value" + end -have_func("getpeereid") + if ipv6 and not getaddr_info_ok + abort <<EOS -have_header("ucred.h", headers) -have_func("getpeerucred") +Fatal: --enable-ipv6 is specified, and your OS seems to support IPv6 feature. +But your getaddrinfo() and getnameinfo() are appeared to be broken. Sorry, +you cannot compile IPv6 socket classes with broken these functions. +You can try --enable-wide-getaddrinfo. +EOS + end -# workaround for recent Windows SDK -$defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if have_const("IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6") + case with_config("lookup-order-hack", "UNSPEC") + when "INET" + $defs << "-DLOOKUP_ORDER_HACK_INET" + when "INET6" + $defs << "-DLOOKUP_ORDER_HACK_INET6" + when "UNSPEC" + # nothing special + else + abort <<EOS -$distcleanfiles << "constants.h" << "constdefs.*" +Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC) +EOS + end -if have_func(test_func) - have_func("hsterror") - have_func("getipnodebyname") or have_func("gethostbyname2") - have_func("socketpair") - unless have_func("gethostname") - have_func("uname") + $objs = [ + "init.#{$OBJEXT}", + "constants.#{$OBJEXT}", + "basicsocket.#{$OBJEXT}", + "socket.#{$OBJEXT}", + "ipsocket.#{$OBJEXT}", + "tcpsocket.#{$OBJEXT}", + "tcpserver.#{$OBJEXT}", + "sockssocket.#{$OBJEXT}", + "udpsocket.#{$OBJEXT}", + "unixsocket.#{$OBJEXT}", + "unixserver.#{$OBJEXT}", + "option.#{$OBJEXT}", + "ancdata.#{$OBJEXT}", + "raddrinfo.#{$OBJEXT}", + "ifaddr.#{$OBJEXT}" + ] + + if getaddr_info_ok == :wide + if !have_type("struct in6_addr", headers) and have_type("struct in_addr6", headers) + $defs.pop(2) + $defs << "-Din_addr6=in6_addr" + end + if have_struct_member("struct in6_addr", "s6_addr8", headers) + $defs[-1] = "-Ds6_addr=s6_addr8" + end + if ipv6 == "kame" && have_struct_member("struct in6_addr", "s6_addr32", headers) + $defs[-1] = "-DFAITH" + end + $CPPFLAGS="-I. "+$CPPFLAGS + $objs += ["getaddrinfo.#{$OBJEXT}"] + $objs += ["getnameinfo.#{$OBJEXT}"] + $defs << "-DGETADDRINFO_EMU" end + + # workaround for recent Windows SDK + $defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if $defs.include?("-DHAVE_CONST_IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6") + + $distcleanfiles << "constants.h" << "constdefs.*" + if enable_config("socks", ENV["SOCKS_SERVER"]) if have_library("socks5", "SOCKSinit") $defs << "-DSOCKS5" << "-DSOCKS" - elsif have_library("socks", "Rconnect") + elsif have_library("socksd", "Rconnect") || have_library("socks", "Rconnect") $defs << "-DSOCKS" end end + + hdr = "netinet6/in6.h" + /darwin/ =~ RUBY_PLATFORM and + checking_for("if apple's #{hdr} needs s6_addr patch") {!try_compile(<<"SRC", nil, :werror=>true)} and +#include <netinet/in.h> +int t(struct in6_addr *addr) {return IN6_IS_ADDR_UNSPECIFIED(addr);} +SRC + checking_for("fixing apple's #{hdr}", "%s") do + file = xpopen(%w"clang -include netinet/in.h -E -xc -", in: IO::NULL) do |f| + re = %r[^# *\d+ *"(.*/netinet/in\.h)"] + Logging.message " grep(#{re})\n" + f.read[re, 1] + end + Logging.message "Substitute from #{file}\n" + + in6 = File.read(file) + if in6.gsub!(/\*\(const\s+__uint32_t\s+\*\)\(const\s+void\s+\*\)\(&(\(\w+\))->s6_addr\[(\d+)\]\)/) do + i, r = $2.to_i.divmod(4) + if r.zero? + "#$1->__u6_addr.__u6_addr32[#{i}]" + else + $& + end + end + FileUtils.mkdir_p(File.dirname(hdr)) + File.write(hdr, in6) + $distcleanfiles << hdr + $distcleandirs << File.dirname(hdr) + "done" + else + "not needed" + end + end + + have_func("pthread_create") + have_func("pthread_detach") + have_func("pthread_attr_setdetachstate") + + $VPATH << '$(topdir)' << '$(top_srcdir)' create_makefile("socket") end diff --git a/ext/socket/getaddrinfo.c b/ext/socket/getaddrinfo.c index 53656b4c02..9a65490b1d 100644 --- a/ext/socket/getaddrinfo.c +++ b/ext/socket/getaddrinfo.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -13,7 +13,7 @@ * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -45,11 +45,7 @@ #include <sys/types.h> #ifndef _WIN32 #include <sys/param.h> -#if defined(__BEOS__) && !defined(__HAIKU__) && !defined(BONE) -# include <net/socket.h> -#else -# include <sys/socket.h> -#endif +#include <sys/socket.h> #include <netinet/in.h> #if defined(HAVE_ARPA_INET_H) #include <arpa/inet.h> @@ -80,13 +76,13 @@ #include <socks.h> #endif +#ifndef HAVE_TYPE_SOCKLEN_T +typedef int socklen_t; +#endif + #include "addrinfo.h" #include "sockport.h" -#if defined(__KAME__) && defined(INET6) -# define FAITH -#endif - #define SUCCESS 0 #define ANY 0 #define YES 1 @@ -99,42 +95,42 @@ static struct in6_addr faith_prefix = IN6ADDR_ANY_INIT; static const char in_addrany[] = { 0, 0, 0, 0 }; static const char in6_addrany[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; -static const char in_loopback[] = { 127, 0, 0, 1 }; +static const char in_loopback[] = { 127, 0, 0, 1 }; static const char in6_loopback[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 }; struct sockinet { - u_char si_len; - u_char si_family; - u_short si_port; + u_char si_len; + u_char si_family; + u_short si_port; }; static const struct afd { - int a_af; - int a_addrlen; - int a_socklen; - int a_off; - const char *a_addrany; - const char *a_loopback; + int a_af; + int a_addrlen; + int a_socklen; + int a_off; + const char *a_addrany; + const char *a_loopback; } afdl [] = { #ifdef INET6 #define N_INET6 0 - {PF_INET6, sizeof(struct in6_addr), - sizeof(struct sockaddr_in6), - offsetof(struct sockaddr_in6, sin6_addr), - in6_addrany, in6_loopback}, + {PF_INET6, sizeof(struct in6_addr), + sizeof(struct sockaddr_in6), + offsetof(struct sockaddr_in6, sin6_addr), + in6_addrany, in6_loopback}, #define N_INET 1 #else #define N_INET 0 #endif - {PF_INET, sizeof(struct in_addr), - sizeof(struct sockaddr_in), - offsetof(struct sockaddr_in, sin_addr), - in_addrany, in_loopback}, - {0, 0, 0, 0, NULL, NULL}, + {PF_INET, sizeof(struct in_addr), + sizeof(struct sockaddr_in), + offsetof(struct sockaddr_in, sin_addr), + in_addrany, in_loopback}, + {0, 0, 0, 0, NULL, NULL}, }; #ifdef INET6 @@ -144,56 +140,56 @@ static const struct afd { #endif static int get_name __P((const char *, const struct afd *, - struct addrinfo **, char *, struct addrinfo *, - int)); + struct addrinfo **, char *, struct addrinfo *, + int)); static int get_addr __P((const char *, int, struct addrinfo **, - struct addrinfo *, int)); + struct addrinfo *, int)); static int str_isnumber __P((const char *)); - + +#ifndef HAVE_GAI_STRERROR static const char *const ai_errlist[] = { - "success.", - "address family for hostname not supported.", /* EAI_ADDRFAMILY */ - "temporary failure in name resolution.", /* EAI_AGAIN */ - "invalid value for ai_flags.", /* EAI_BADFLAGS */ - "non-recoverable failure in name resolution.", /* EAI_FAIL */ - "ai_family not supported.", /* EAI_FAMILY */ - "memory allocation failure.", /* EAI_MEMORY */ - "no address associated with hostname.", /* EAI_NODATA */ - "hostname nor servname provided, or not known.",/* EAI_NONAME */ - "servname not supported for ai_socktype.", /* EAI_SERVICE */ - "ai_socktype not supported.", /* EAI_SOCKTYPE */ - "system error returned in errno.", /* EAI_SYSTEM */ - "invalid value for hints.", /* EAI_BADHINTS */ - "resolved protocol is unknown.", /* EAI_PROTOCOL */ - "unknown error.", /* EAI_MAX */ + "success.", + "address family for hostname not supported.", /* EAI_ADDRFAMILY */ + "temporary failure in name resolution.", /* EAI_AGAIN */ + "invalid value for ai_flags.", /* EAI_BADFLAGS */ + "non-recoverable failure in name resolution.", /* EAI_FAIL */ + "ai_family not supported.", /* EAI_FAMILY */ + "memory allocation failure.", /* EAI_MEMORY */ + "no address associated with hostname.", /* EAI_NODATA */ + "hostname nor servname provided, or not known.",/* EAI_NONAME */ + "servname not supported for ai_socktype.", /* EAI_SERVICE */ + "ai_socktype not supported.", /* EAI_SOCKTYPE */ + "system error returned in errno.", /* EAI_SYSTEM */ + "invalid value for hints.", /* EAI_BADHINTS */ + "resolved protocol is unknown.", /* EAI_PROTOCOL */ + "unknown error.", /* EAI_MAX */ }; +#endif #define GET_CANONNAME(ai, str) \ if (pai->ai_flags & AI_CANONNAME) {\ - if (((ai)->ai_canonname = (char *)malloc(strlen(str) + 1)) != NULL) {\ - strcpy((ai)->ai_canonname, (str));\ - } else {\ - error = EAI_MEMORY;\ - goto free;\ - }\ + if (((ai)->ai_canonname = strdup(str)) == NULL) {\ + error = EAI_MEMORY;\ + goto free;\ + }\ } #define GET_AI(ai, afd, addr, port) {\ - char *p;\ - if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\ - ((afd)->a_socklen)))\ - == NULL) {\ - error = EAI_MEMORY;\ - goto free;\ - }\ - memcpy(ai, pai, sizeof(struct addrinfo));\ - (ai)->ai_addr = (struct sockaddr *)((ai) + 1);\ - memset((ai)->ai_addr, 0, (afd)->a_socklen);\ - SET_SA_LEN((ai)->ai_addr, (ai)->ai_addrlen = (afd)->a_socklen);\ - (ai)->ai_addr->sa_family = (ai)->ai_family = (afd)->a_af;\ - ((struct sockinet *)(ai)->ai_addr)->si_port = port;\ - p = (char *)((ai)->ai_addr);\ - memcpy(p + (afd)->a_off, (addr), (afd)->a_addrlen);\ + char *p;\ + if (((ai) = (struct addrinfo *)malloc(sizeof(struct addrinfo) +\ + ((afd)->a_socklen)))\ + == NULL) {\ + error = EAI_MEMORY;\ + goto free;\ + }\ + memcpy((ai), pai, sizeof(struct addrinfo));\ + (ai)->ai_addr = (struct sockaddr *)((ai) + 1);\ + (ai)->ai_family = (afd)->a_af;\ + (ai)->ai_addrlen = (afd)->a_socklen;\ + INIT_SOCKADDR((ai)->ai_addr, (afd)->a_af, (afd)->a_socklen);\ + ((struct sockinet *)(ai)->ai_addr)->si_port = (port);\ + p = (char *)((ai)->ai_addr);\ + memcpy(p + (afd)->a_off, (addr), (afd)->a_addrlen);\ } #define ERR(err) { error = (err); goto bad; } @@ -205,36 +201,35 @@ const char * gai_strerror(int ecode) { - if (ecode < 0 || ecode > EAI_MAX) - ecode = EAI_MAX; - return (char *)ai_errlist[ecode]; + if (ecode < 0 || ecode > EAI_MAX) + ecode = EAI_MAX; + return (char *)ai_errlist[ecode]; } #endif void freeaddrinfo(struct addrinfo *ai) { - struct addrinfo *next; - - do { - next = ai->ai_next; - if (ai->ai_canonname) - free(ai->ai_canonname); - /* no need to free(ai->ai_addr) */ - free(ai); - } while ((ai = next) != NULL); + struct addrinfo *next; + + do { + next = ai->ai_next; + free(ai->ai_canonname); + /* no need to free(ai->ai_addr) */ + free(ai); + } while ((ai = next) != NULL); } static int str_isnumber(const char *p) { - char *q = (char *)p; - while (*q) { - if (! isdigit(*q)) - return NO; - q++; - } - return YES; + char *q = (char *)p; + while (*q) { + if (! isdigit(*q)) + return NO; + q++; + } + return YES; } #ifndef HAVE_INET_PTON @@ -242,440 +237,435 @@ str_isnumber(const char *p) static int inet_pton(int af, const char *hostname, void *pton) { - struct in_addr in; + struct in_addr in; #ifdef HAVE_INET_ATON - if (!inet_aton(hostname, &in)) - return 0; + if (!inet_aton(hostname, &in)) + return 0; #else - int d1, d2, d3, d4; - char ch; - - if (sscanf(hostname, "%d.%d.%d.%d%c", &d1, &d2, &d3, &d4, &ch) == 4 && - 0 <= d1 && d1 <= 255 && 0 <= d2 && d2 <= 255 && - 0 <= d3 && d3 <= 255 && 0 <= d4 && d4 <= 255) { - in.s_addr = htonl( - ((long) d1 << 24) | ((long) d2 << 16) | - ((long) d3 << 8) | ((long) d4 << 0)); - } - else { - return 0; - } -#endif - memcpy(pton, &in, sizeof(in)); - return 1; + int d1, d2, d3, d4; + char ch; + + if (sscanf(hostname, "%d.%d.%d.%d%c", &d1, &d2, &d3, &d4, &ch) == 4 && + 0 <= d1 && d1 <= 255 && 0 <= d2 && d2 <= 255 && + 0 <= d3 && d3 <= 255 && 0 <= d4 && d4 <= 255) { + in.s_addr = htonl( + ((long) d1 << 24) | ((long) d2 << 16) | + ((long) d3 << 8) | ((long) d4 << 0)); + } + else { + return 0; + } +#endif + memcpy(pton, &in, sizeof(in)); + return 1; } #endif int getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res) { - struct addrinfo sentinel; - struct addrinfo *top = NULL; - struct addrinfo *cur; - int i, error = 0; - char pton[PTON_MAX]; - struct addrinfo ai; - struct addrinfo *pai; - u_short port; + struct addrinfo sentinel; + struct addrinfo *top = NULL; + struct addrinfo *cur; + int i, error = 0; + char pton[PTON_MAX]; + struct addrinfo ai; + struct addrinfo *pai; + u_short port; #ifdef FAITH - static int firsttime = 1; - - if (firsttime) { - /* translator hack */ - { - char *q = getenv("GAI"); - if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1) - translate = YES; - } - firsttime = 0; - } -#endif - - /* initialize file static vars */ - sentinel.ai_next = NULL; - cur = &sentinel; - pai = &ai; - pai->ai_flags = 0; - pai->ai_family = PF_UNSPEC; - pai->ai_socktype = ANY; - pai->ai_protocol = ANY; - pai->ai_addrlen = 0; - pai->ai_canonname = NULL; - pai->ai_addr = NULL; - pai->ai_next = NULL; - port = ANY; - - if (hostname == NULL && servname == NULL) - return EAI_NONAME; - if (hints) { - /* error check for hints */ - if (hints->ai_addrlen || hints->ai_canonname || - hints->ai_addr || hints->ai_next) - ERR(EAI_BADHINTS); /* xxx */ - if (hints->ai_flags & ~AI_MASK) - ERR(EAI_BADFLAGS); - switch (hints->ai_family) { - case PF_UNSPEC: - case PF_INET: + static int firsttime = 1; + + if (firsttime) { + /* translator hack */ + { + char *q = getenv("GAI"); + if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1) + translate = YES; + } + firsttime = 0; + } +#endif + + /* initialize file static vars */ + sentinel.ai_next = NULL; + cur = &sentinel; + pai = &ai; + pai->ai_flags = 0; + pai->ai_family = PF_UNSPEC; + pai->ai_socktype = ANY; + pai->ai_protocol = ANY; + pai->ai_addrlen = 0; + pai->ai_canonname = NULL; + pai->ai_addr = NULL; + pai->ai_next = NULL; + port = ANY; + + if (hostname == NULL && servname == NULL) + return EAI_NONAME; + if (hints) { + /* error check for hints */ + if (hints->ai_addrlen || hints->ai_canonname || + hints->ai_addr || hints->ai_next) + ERR(EAI_BADHINTS); /* xxx */ + if (hints->ai_flags & ~AI_MASK) + ERR(EAI_BADFLAGS); + switch (hints->ai_family) { + case PF_UNSPEC: + case PF_INET: #ifdef INET6 - case PF_INET6: -#endif - break; - default: - ERR(EAI_FAMILY); - } - memcpy(pai, hints, sizeof(*pai)); - switch (pai->ai_socktype) { - case ANY: - switch (pai->ai_protocol) { - case ANY: - break; - case IPPROTO_UDP: - pai->ai_socktype = SOCK_DGRAM; - break; - case IPPROTO_TCP: - pai->ai_socktype = SOCK_STREAM; - break; - default: + case PF_INET6: +#endif + break; + default: + ERR(EAI_FAMILY); + } + memcpy(pai, hints, sizeof(*pai)); + switch (pai->ai_socktype) { + case ANY: + switch (pai->ai_protocol) { + case ANY: + break; + case IPPROTO_UDP: + pai->ai_socktype = SOCK_DGRAM; + break; + case IPPROTO_TCP: + pai->ai_socktype = SOCK_STREAM; + break; + default: #if defined(SOCK_RAW) - pai->ai_socktype = SOCK_RAW; + pai->ai_socktype = SOCK_RAW; #endif - break; - } - break; + break; + } + break; #if defined(SOCK_RAW) - case SOCK_RAW: - break; -#endif - case SOCK_DGRAM: - if (pai->ai_protocol != IPPROTO_UDP && - pai->ai_protocol != ANY) - ERR(EAI_BADHINTS); /*xxx*/ - pai->ai_protocol = IPPROTO_UDP; - break; - case SOCK_STREAM: - if (pai->ai_protocol != IPPROTO_TCP && - pai->ai_protocol != ANY) - ERR(EAI_BADHINTS); /*xxx*/ - pai->ai_protocol = IPPROTO_TCP; - break; - default: - ERR(EAI_SOCKTYPE); - break; - } - } - - /* - * service port - */ - if (servname) { - if (str_isnumber(servname)) { - if (pai->ai_socktype == ANY) { - /* caller accept *ANY* socktype */ - pai->ai_socktype = SOCK_DGRAM; - pai->ai_protocol = IPPROTO_UDP; - } - port = htons((unsigned short)atoi(servname)); + case SOCK_RAW: + break; +#endif + case SOCK_DGRAM: + if (pai->ai_protocol != IPPROTO_UDP && + pai->ai_protocol != ANY) + ERR(EAI_BADHINTS); /*xxx*/ + pai->ai_protocol = IPPROTO_UDP; + break; + case SOCK_STREAM: + if (pai->ai_protocol != IPPROTO_TCP && + pai->ai_protocol != ANY) + ERR(EAI_BADHINTS); /*xxx*/ + pai->ai_protocol = IPPROTO_TCP; + break; + default: + ERR(EAI_SOCKTYPE); + break; + } + } + + /* + * service port + */ + if (servname) { + if (str_isnumber(servname)) { + if (pai->ai_socktype == ANY) { + /* caller accept *ANY* socktype */ + pai->ai_socktype = SOCK_DGRAM; + pai->ai_protocol = IPPROTO_UDP; + } + port = htons((unsigned short)atoi(servname)); } else if (pai->ai_flags & AI_NUMERICSERV) { ERR(EAI_NONAME); - } else { - struct servent *sp; - const char *proto; - - proto = NULL; - switch (pai->ai_socktype) { - case ANY: - proto = NULL; - break; - case SOCK_DGRAM: - proto = "udp"; - break; - case SOCK_STREAM: - proto = "tcp"; - break; - default: - fprintf(stderr, "panic!\n"); - break; - } - if ((sp = getservbyname((char*)servname, proto)) == NULL) - ERR(EAI_SERVICE); - port = sp->s_port; - if (pai->ai_socktype == ANY) - if (strcmp(sp->s_proto, "udp") == 0) { - pai->ai_socktype = SOCK_DGRAM; - pai->ai_protocol = IPPROTO_UDP; - } else if (strcmp(sp->s_proto, "tcp") == 0) { - pai->ai_socktype = SOCK_STREAM; - pai->ai_protocol = IPPROTO_TCP; - } else - ERR(EAI_PROTOCOL); /*xxx*/ - } - } - - /* - * hostname == NULL. - * passive socket -> anyaddr (0.0.0.0 or ::) - * non-passive socket -> localhost (127.0.0.1 or ::1) - */ - if (hostname == NULL) { - const struct afd *afd; - int s; - - for (afd = &afdl[0]; afd->a_af; afd++) { - if (!(pai->ai_family == PF_UNSPEC - || pai->ai_family == afd->a_af)) { - continue; - } - - /* - * filter out AFs that are not supported by the kernel - * XXX errno? - */ - s = socket(afd->a_af, SOCK_DGRAM, 0); - if (s < 0) - continue; -#if defined(__BEOS__) - closesocket(s); -#else - close(s); -#endif - - if (pai->ai_flags & AI_PASSIVE) { - GET_AI(cur->ai_next, afd, afd->a_addrany, port); - /* xxx meaningless? - * GET_CANONNAME(cur->ai_next, "anyaddr"); - */ - } else { - GET_AI(cur->ai_next, afd, afd->a_loopback, - port); - /* xxx meaningless? - * GET_CANONNAME(cur->ai_next, "localhost"); - */ - } - cur = cur->ai_next; - } - top = sentinel.ai_next; - if (top) - goto good; - else - ERR(EAI_FAMILY); - } - - /* hostname as numeric name */ - for (i = 0; afdl[i].a_af; i++) { - if (inet_pton(afdl[i].a_af, hostname, pton)) { - u_long v4a; + } else { + struct servent *sp; + const char *proto; + + proto = NULL; + switch (pai->ai_socktype) { + case ANY: + proto = NULL; + break; + case SOCK_DGRAM: + proto = "udp"; + break; + case SOCK_STREAM: + proto = "tcp"; + break; + default: + fprintf(stderr, "panic!\n"); + break; + } + if ((sp = getservbyname((char*)servname, proto)) == NULL) + ERR(EAI_SERVICE); + port = sp->s_port; + if (pai->ai_socktype == ANY) + if (strcmp(sp->s_proto, "udp") == 0) { + pai->ai_socktype = SOCK_DGRAM; + pai->ai_protocol = IPPROTO_UDP; + } else if (strcmp(sp->s_proto, "tcp") == 0) { + pai->ai_socktype = SOCK_STREAM; + pai->ai_protocol = IPPROTO_TCP; + } else + ERR(EAI_PROTOCOL); /*xxx*/ + } + } + + /* + * hostname == NULL. + * passive socket -> anyaddr (0.0.0.0 or ::) + * non-passive socket -> localhost (127.0.0.1 or ::1) + */ + if (hostname == NULL) { + const struct afd *afd; + int s; + + for (afd = &afdl[0]; afd->a_af; afd++) { + if (!(pai->ai_family == PF_UNSPEC + || pai->ai_family == afd->a_af)) { + continue; + } + + /* + * filter out AFs that are not supported by the kernel + * XXX errno? + */ + s = socket(afd->a_af, SOCK_DGRAM, 0); + if (s < 0) + continue; + + close(s); + + if (pai->ai_flags & AI_PASSIVE) { + GET_AI(cur->ai_next, afd, afd->a_addrany, port); + /* xxx meaningless? + * GET_CANONNAME(cur->ai_next, "anyaddr"); + */ + } else { + GET_AI(cur->ai_next, afd, afd->a_loopback, + port); + /* xxx meaningless? + * GET_CANONNAME(cur->ai_next, "localhost"); + */ + } + cur = cur->ai_next; + } + top = sentinel.ai_next; + if (top) + goto good; + else + ERR(EAI_FAMILY); + } + + /* hostname as numeric name */ + for (i = 0; afdl[i].a_af; i++) { + if (inet_pton(afdl[i].a_af, hostname, pton)) { + u_long v4a; #ifdef INET6 - u_char pfx; -#endif - - switch (afdl[i].a_af) { - case AF_INET: - v4a = ((struct in_addr *)pton)->s_addr; - if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) - pai->ai_flags &= ~AI_CANONNAME; - v4a >>= IN_CLASSA_NSHIFT; - if (v4a == 0 || v4a == IN_LOOPBACKNET) - pai->ai_flags &= ~AI_CANONNAME; - break; + u_char pfx; +#endif + + switch (afdl[i].a_af) { + case AF_INET: + v4a = ((struct in_addr *)pton)->s_addr; + if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) + pai->ai_flags &= ~AI_CANONNAME; + v4a >>= IN_CLASSA_NSHIFT; + if (v4a == 0 || v4a == IN_LOOPBACKNET) + pai->ai_flags &= ~AI_CANONNAME; + break; #ifdef INET6 - case AF_INET6: -#ifdef HAVE_ADDR8 - pfx = ((struct in6_addr *)pton)->s6_addr8[0]; -#else - pfx = ((struct in6_addr *)pton)->s6_addr[0]; -#endif - if (pfx == 0 || pfx == 0xfe || pfx == 0xff) - pai->ai_flags &= ~AI_CANONNAME; - break; -#endif - } - - if (pai->ai_family == afdl[i].a_af || - pai->ai_family == PF_UNSPEC) { - if (! (pai->ai_flags & AI_CANONNAME)) { - GET_AI(top, &afdl[i], pton, port); - goto good; - } - /* - * if AI_CANONNAME and if reverse lookup - * fail, return ai anyway to pacify - * calling application. - * - * XXX getaddrinfo() is a name->address - * translation function, and it looks strange - * that we do addr->name translation here. - */ - get_name(pton, &afdl[i], &top, pton, pai, port); - goto good; - } else - ERR(EAI_FAMILY); /*xxx*/ - } - } - - if (pai->ai_flags & AI_NUMERICHOST) - ERR(EAI_NONAME); - - /* hostname as alphabetical name */ - error = get_addr(hostname, pai->ai_family, &top, pai, port); - if (error == 0) { - if (top) { + case AF_INET6: + pfx = ((struct in6_addr *)pton)->s6_addr[0]; + if (pfx == 0 || pfx == 0xfe || pfx == 0xff) + pai->ai_flags &= ~AI_CANONNAME; + break; +#endif + } + + if (pai->ai_family == afdl[i].a_af || + pai->ai_family == PF_UNSPEC) { + if (! (pai->ai_flags & AI_CANONNAME)) { + GET_AI(top, &afdl[i], pton, port); + goto good; + } + /* + * if AI_CANONNAME and if reverse lookup + * fail, return ai anyway to pacify + * calling application. + * + * XXX getaddrinfo() is a name->address + * translation function, and it looks strange + * that we do addr->name translation here. + */ + get_name(pton, &afdl[i], &top, pton, pai, port); + goto good; + } else + ERR(EAI_FAMILY); /*xxx*/ + } + } + + if (pai->ai_flags & AI_NUMERICHOST) + ERR(EAI_NONAME); + + /* hostname as alphabetical name */ + error = get_addr(hostname, pai->ai_family, &top, pai, port); + if (error == 0) { + if (top) { good: - *res = top; - return SUCCESS; - } else - error = EAI_FAIL; - } + *res = top; + return SUCCESS; + } else + error = EAI_FAIL; + } free: - if (top) - freeaddrinfo(top); + if (top) + freeaddrinfo(top); bad: - *res = NULL; - return error; + *res = NULL; + return error; } static int get_name(const char *addr, const struct afd *afd, struct addrinfo **res, char *numaddr, struct addrinfo *pai, int port0) { - u_short port = port0 & 0xffff; - struct hostent *hp; - struct addrinfo *cur; - int error = 0; + u_short port = port0 & 0xffff; + struct hostent *hp; + struct addrinfo *cur; + int error = 0; #ifdef INET6 - int h_error; + int h_error; #endif #ifdef INET6 - hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); + hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); #else - hp = gethostbyaddr((char*)addr, afd->a_addrlen, AF_INET); -#endif - if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) { - GET_AI(cur, afd, hp->h_addr_list[0], port); - GET_CANONNAME(cur, hp->h_name); - } else - GET_AI(cur, afd, numaddr, port); - + hp = gethostbyaddr((char*)addr, afd->a_addrlen, AF_INET); +#endif + if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) { + GET_AI(cur, afd, hp->h_addr_list[0], port); + GET_CANONNAME(cur, hp->h_name); + } else + GET_AI(cur, afd, numaddr, port); + #ifdef INET6 - if (hp) - freehostent(hp); + if (hp) + freehostent(hp); #endif - *res = cur; - return SUCCESS; + *res = cur; + return SUCCESS; free: - if (cur) - freeaddrinfo(cur); + if (cur) + freeaddrinfo(cur); #ifdef INET6 - if (hp) - freehostent(hp); + if (hp) + freehostent(hp); #endif /* bad: */ - *res = NULL; - return error; + *res = NULL; + return error; } static int get_addr(const char *hostname, int af, struct addrinfo **res, struct addrinfo *pai, int port0) { - u_short port = port0 & 0xffff; - struct addrinfo sentinel; - struct hostent *hp; - struct addrinfo *top, *cur; - const struct afd *afd; - int i, error = 0, h_error; - char *ap; - - top = NULL; - sentinel.ai_next = NULL; - cur = &sentinel; + u_short port = port0 & 0xffff; + struct addrinfo sentinel; + struct hostent *hp; + struct addrinfo *top, *cur; + const struct afd *afd; + int i, error = 0, h_error; + char *ap; + + top = NULL; + sentinel.ai_next = NULL; + cur = &sentinel; #ifdef INET6 - if (af == AF_UNSPEC) { - hp = getipnodebyname(hostname, AF_INET6, - AI_ADDRCONFIG|AI_ALL|AI_V4MAPPED, &h_error); - } else - hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error); + if (af == AF_UNSPEC) { + hp = getipnodebyname(hostname, AF_INET6, + AI_ADDRCONFIG|AI_ALL|AI_V4MAPPED, &h_error); + } else + hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error); #else - hp = gethostbyname((char*)hostname); - h_error = h_errno; -#endif - if (hp == NULL) { - switch (h_error) { - case HOST_NOT_FOUND: - case NO_DATA: - error = EAI_NODATA; - break; - case TRY_AGAIN: - error = EAI_AGAIN; - break; - case NO_RECOVERY: - default: - error = EAI_FAIL; - break; - } - goto bad; - } - - if ((hp->h_name == NULL) || (hp->h_name[0] == 0) || - (hp->h_addr_list[0] == NULL)) - ERR(EAI_FAIL); - - for (i = 0; (ap = hp->h_addr_list[i]) != NULL; i++) { - switch (af) { + if (strlen(hostname) >= NI_MAXHOST) ERR(EAI_NODATA); + hp = gethostbyname((char*)hostname); + h_error = h_errno; +#endif + if (hp == NULL) { + switch (h_error) { + case HOST_NOT_FOUND: + case NO_DATA: + error = EAI_NODATA; + break; + case TRY_AGAIN: + error = EAI_AGAIN; + break; + case NO_RECOVERY: + default: + error = EAI_FAIL; + break; + } + goto bad; + } + + if ((hp->h_name == NULL) || (hp->h_name[0] == 0) || + (hp->h_addr_list[0] == NULL)) + ERR(EAI_FAIL); + + for (i = 0; (ap = hp->h_addr_list[i]) != NULL; i++) { + switch (af) { #ifdef INET6 - case AF_INET6: - afd = &afdl[N_INET6]; - break; + case AF_INET6: + afd = &afdl[N_INET6]; + break; #endif #ifndef INET6 - default: /* AF_UNSPEC */ + default: /* AF_UNSPEC */ #endif - case AF_INET: - afd = &afdl[N_INET]; - break; + case AF_INET: + afd = &afdl[N_INET]; + break; #ifdef INET6 - default: /* AF_UNSPEC */ - if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) { - ap += sizeof(struct in6_addr) - - sizeof(struct in_addr); - afd = &afdl[N_INET]; - } else - afd = &afdl[N_INET6]; - break; -#endif - } + default: /* AF_UNSPEC */ + if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) { + ap += sizeof(struct in6_addr) - + sizeof(struct in_addr); + afd = &afdl[N_INET]; + } else + afd = &afdl[N_INET6]; + break; +#endif + } #ifdef FAITH - if (translate && afd->a_af == AF_INET) { - struct in6_addr *in6; - - GET_AI(cur->ai_next, &afdl[N_INET6], ap, port); - in6 = &((struct sockaddr_in6 *)cur->ai_next->ai_addr)->sin6_addr; - memcpy(&in6->s6_addr32[0], &faith_prefix, - sizeof(struct in6_addr) - sizeof(struct in_addr)); - memcpy(&in6->s6_addr32[3], ap, sizeof(struct in_addr)); - } else + if (translate && afd->a_af == AF_INET) { + struct in6_addr *in6; + + GET_AI(cur->ai_next, &afdl[N_INET6], ap, port); + in6 = &((struct sockaddr_in6 *)cur->ai_next->ai_addr)->sin6_addr; + memcpy(&in6->s6_addr, &faith_prefix, + sizeof(struct in6_addr) - sizeof(struct in_addr)); + memcpy(&in6->s6_addr + sizeof(struct in_addr), ap, + sizeof(struct in_addr)); + } else #endif /* FAITH */ - GET_AI(cur->ai_next, afd, ap, port); - if (cur == &sentinel) { - top = cur->ai_next; - GET_CANONNAME(top, hp->h_name); - } - cur = cur->ai_next; - } + GET_AI(cur->ai_next, afd, ap, port); + if (cur == &sentinel) { + top = cur->ai_next; + GET_CANONNAME(top, hp->h_name); + } + cur = cur->ai_next; + } #ifdef INET6 - freehostent(hp); + freehostent(hp); #endif - *res = top; - return SUCCESS; + *res = top; + return SUCCESS; free: - if (top) - freeaddrinfo(top); + if (top) + freeaddrinfo(top); #ifdef INET6 - if (hp) - freehostent(hp); + if (hp) + freehostent(hp); #endif bad: - *res = NULL; - return error; + *res = NULL; + return error; } diff --git a/ext/socket/getnameinfo.c b/ext/socket/getnameinfo.c index 62a14ac555..98da8c1647 100644 --- a/ext/socket/getnameinfo.c +++ b/ext/socket/getnameinfo.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -13,7 +13,7 @@ * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. - * + * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -41,11 +41,7 @@ #include <stdio.h> #include <sys/types.h> #ifndef _WIN32 -#if defined(__BEOS__) && !defined(__HAIKU__) && !defined(BONE) -# include <net/socket.h> -#else -# include <sys/socket.h> -#endif +#include <sys/socket.h> #include <netinet/in.h> #if defined(HAVE_ARPA_INET_H) #include <arpa/inet.h> @@ -71,8 +67,13 @@ #include <socks.h> #endif +#ifndef HAVE_TYPE_SOCKLEN_T +typedef int socklen_t; +#endif + #include "addrinfo.h" #include "sockport.h" +#include "rubysocket.h" #define SUCCESS 0 #define ANY 0 @@ -80,30 +81,30 @@ #define NO 0 struct sockinet { - u_char si_len; - u_char si_family; - u_short si_port; + u_char si_len; + u_char si_family; + u_short si_port; }; static struct afd { - int a_af; - int a_addrlen; - int a_socklen; - int a_off; + int a_af; + int a_addrlen; + int a_socklen; + int a_off; } afdl [] = { #ifdef INET6 #define N_INET6 0 - {PF_INET6, sizeof(struct in6_addr), - sizeof(struct sockaddr_in6), - offsetof(struct sockaddr_in6, sin6_addr)}, + {PF_INET6, sizeof(struct in6_addr), + sizeof(struct sockaddr_in6), + offsetof(struct sockaddr_in6, sin6_addr)}, #define N_INET 1 #else #define N_INET 0 #endif - {PF_INET, sizeof(struct in_addr), - sizeof(struct sockaddr_in), - offsetof(struct sockaddr_in, sin_addr)}, - {0, 0, 0, 0}, + {PF_INET, sizeof(struct in_addr), + sizeof(struct sockaddr_in), + offsetof(struct sockaddr_in, sin_addr)}, + {0, 0, 0, 0}, }; #define ENI_NOSOCKET 0 @@ -114,147 +115,121 @@ static struct afd { #define ENI_FAMILY 5 #define ENI_SALEN 6 -#ifdef __HAIKU__ -#define HAVE_INET_NTOP -#endif -#ifndef HAVE_INET_NTOP -static const char * -inet_ntop(int af, const void *addr, char *numaddr, size_t numaddr_len) -{ -#ifdef HAVE_INET_NTOA - struct in_addr in; - memcpy(&in.s_addr, addr, sizeof(in.s_addr)); - snprintf(numaddr, numaddr_len, "%s", inet_ntoa(in)); -#else - unsigned long x = ntohl(*(unsigned long*)addr); - snprintf(numaddr, numaddr_len, "%d.%d.%d.%d", - (int) (x>>24) & 0xff, (int) (x>>16) & 0xff, - (int) (x>> 8) & 0xff, (int) (x>> 0) & 0xff); -#endif - return numaddr; -} -#endif - int -getnameinfo(const struct sockaddr *sa, size_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags) +getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags) { - struct afd *afd; - struct hostent *hp; - u_short port; - int family, len, i; - char *addr, *p; - u_long v4a; + struct afd *afd; + struct hostent *hp; + u_short port; + int family, len, i; + char *addr, *p; + u_long v4a; #ifdef INET6 - u_char pfx; + u_char pfx; #endif - int h_error; - char numserv[512]; - char numaddr[512]; + int h_error; + char numserv[512]; + char numaddr[512]; - if (sa == NULL) - return ENI_NOSOCKET; + if (sa == NULL) + return ENI_NOSOCKET; - len = SA_LEN(sa); - if (len != salen) return ENI_SALEN; - - family = sa->sa_family; - for (i = 0; afdl[i].a_af; i++) - if (afdl[i].a_af == family) { - afd = &afdl[i]; - goto found; - } - return ENI_FAMILY; - - found: - if (len != afd->a_socklen) return ENI_SALEN; - - port = ((struct sockinet *)sa)->si_port; /* network byte order */ - addr = (char *)sa + afd->a_off; + if (!VALIDATE_SOCKLEN(sa, salen)) return ENI_SALEN; + len = salen; + + family = sa->sa_family; + for (i = 0; afdl[i].a_af; i++) + if (afdl[i].a_af == family) { + afd = &afdl[i]; + goto found; + } + return ENI_FAMILY; - if (serv == NULL || servlen == 0) { - /* what we should do? */ - } else if (flags & NI_NUMERICSERV) { - snprintf(numserv, sizeof(numserv), "%d", ntohs(port)); - if (strlen(numserv) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, numserv); - } else { + found: + if (len != afd->a_socklen) return ENI_SALEN; + + port = ((struct sockinet *)sa)->si_port; /* network byte order */ + addr = (char *)sa + afd->a_off; + + if (serv == NULL || servlen == 0) { + /* what we should do? */ + } else if (flags & NI_NUMERICSERV) { + snprintf(numserv, sizeof(numserv), "%d", ntohs(port)); + if (strlcpy(serv, numserv, servlen) >= servlen) + return ENI_MEMORY; + } else { #if defined(HAVE_GETSERVBYPORT) - struct servent *sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp"); - if (sp) { - if (strlen(sp->s_name) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, sp->s_name); - } else - return ENI_NOSERVNAME; + struct servent *sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp"); + if (sp) { + if (strlcpy(serv, sp->s_name, servlen) >= servlen) + return ENI_MEMORY; + } else + return ENI_NOSERVNAME; #else - return ENI_NOSERVNAME; -#endif - } - - switch (sa->sa_family) { - case AF_INET: - v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); - if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) - flags |= NI_NUMERICHOST; - v4a >>= IN_CLASSA_NSHIFT; - if (v4a == 0) - flags |= NI_NUMERICHOST; - break; + return ENI_NOSERVNAME; +#endif + } + + switch (sa->sa_family) { + case AF_INET: + v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); + if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) + flags |= NI_NUMERICHOST; + v4a >>= IN_CLASSA_NSHIFT; + if (v4a == 0) + flags |= NI_NUMERICHOST; + break; #ifdef INET6 - case AF_INET6: + case AF_INET6: #ifdef HAVE_ADDR8 - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr8[0]; + pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr8[0]; #else - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0]; -#endif - if (pfx == 0 || pfx == 0xfe || pfx == 0xff) - flags |= NI_NUMERICHOST; - break; -#endif - } - if (host == NULL || hostlen == 0) { - /* what should we do? */ - } else if (flags & NI_NUMERICHOST) { - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_SYSTEM; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } else { + pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0]; +#endif + if (pfx == 0 || pfx == 0xfe || pfx == 0xff) + flags |= NI_NUMERICHOST; + break; +#endif + } + if (host == NULL || hostlen == 0) { + /* what should we do? */ + } else if (flags & NI_NUMERICHOST) { + if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) + == NULL) + return ENI_SYSTEM; + if (strlcpy(host, numaddr, hostlen) >= hostlen) + return ENI_MEMORY; + } else { #ifdef INET6 - hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); + hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); #else - hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af); - h_error = h_errno; + hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af); + h_error = h_errno; #endif - if (hp) { - if (flags & NI_NOFQDN) { - p = strchr(hp->h_name, '.'); - if (p) *p = '\0'; - } - if (strlen(hp->h_name) + 1 > hostlen) { + if (hp) { + if (flags & NI_NOFQDN) { + p = strchr(hp->h_name, '.'); + if (p) *p = '\0'; + } + if (strlcpy(host, hp->h_name, hostlen) >= hostlen) { #ifdef INET6 - freehostent(hp); + freehostent(hp); #endif - return ENI_MEMORY; - } - strcpy(host, hp->h_name); + return ENI_MEMORY; + } #ifdef INET6 - freehostent(hp); -#endif - } else { - if (flags & NI_NAMEREQD) - return ENI_NOHOSTNAME; - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_NOHOSTNAME; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } - } - return SUCCESS; + freehostent(hp); +#endif + } else { + if (flags & NI_NAMEREQD) + return ENI_NOHOSTNAME; + if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) + == NULL) + return ENI_NOHOSTNAME; + if (strlcpy(host, numaddr, hostlen) >= hostlen) + return ENI_MEMORY; + } + } + return SUCCESS; } diff --git a/ext/socket/ifaddr.c b/ext/socket/ifaddr.c new file mode 100644 index 0000000000..3596c40a11 --- /dev/null +++ b/ext/socket/ifaddr.c @@ -0,0 +1,480 @@ +#include "rubysocket.h" + +#ifdef HAVE_GETIFADDRS + +/* + * ifa_flags is usually unsigned int. + * However it is uint64_t on SunOS 5.11 (OpenIndiana). + */ +#ifdef HAVE_LONG_LONG +typedef unsigned LONG_LONG ifa_flags_t; +#define PRIxIFAFLAGS PRI_LL_PREFIX"x" +#define IFAFLAGS2NUM(flags) ULL2NUM(flags) +#else +typedef unsigned int ifa_flags_t; +#define PRIxIFAFLAGS "x" +#define IFAFLAGS2NUM(flags) UINT2NUM(flags) +#endif + +VALUE rb_cSockIfaddr; + +typedef struct rb_ifaddr_tag rb_ifaddr_t; +typedef struct rb_ifaddr_root_tag rb_ifaddr_root_t; + +struct rb_ifaddr_tag { + int ord; + struct ifaddrs *ifaddr; +}; + +struct rb_ifaddr_root_tag { + int refcount; + int numifaddrs; + rb_ifaddr_t ary[1]; +}; + +static rb_ifaddr_root_t * +get_root(const rb_ifaddr_t *ifaddr) +{ + return (rb_ifaddr_root_t *)((char *)&ifaddr[-ifaddr->ord] - + offsetof(rb_ifaddr_root_t, ary)); +} + +static void +ifaddr_free(void *ptr) +{ + rb_ifaddr_t *ifaddr = ptr; + rb_ifaddr_root_t *root = get_root(ifaddr); + root->refcount--; + if (root->refcount == 0) { + freeifaddrs(root->ary[0].ifaddr); + xfree(root); + } +} + +static size_t +ifaddr_memsize(const void *ptr) +{ + size_t size = offsetof(rb_ifaddr_root_t, ary); + const rb_ifaddr_t *ifaddr; + ifaddr = ptr; + if (ifaddr->ord == 0) size = sizeof(rb_ifaddr_root_t); + size += sizeof(struct ifaddrs); + return size; +} + +static const rb_data_type_t ifaddr_type = { + "socket/ifaddr", + {0, ifaddr_free, ifaddr_memsize,}, +}; + +static inline rb_ifaddr_t * +check_ifaddr(VALUE self) +{ + return rb_check_typeddata(self, &ifaddr_type); +} + +static rb_ifaddr_t * +get_ifaddr(VALUE self) +{ + rb_ifaddr_t *rifaddr = check_ifaddr(self); + + if (!rifaddr) { + rb_raise(rb_eTypeError, "uninitialized ifaddr"); + } + return rifaddr; +} + +static struct ifaddrs * +get_ifaddrs(VALUE self) +{ + return get_ifaddr(self)->ifaddr; +} + +static VALUE +rsock_getifaddrs(void) +{ + int ret; + int numifaddrs, i; + struct ifaddrs *ifaddrs, *ifa; + rb_ifaddr_root_t *root; + VALUE result, addr; + + ret = getifaddrs(&ifaddrs); + if (ret == -1) + rb_sys_fail("getifaddrs"); + + if (!ifaddrs) { + return rb_ary_new(); + } + + numifaddrs = 0; + for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) + numifaddrs++; + + addr = TypedData_Wrap_Struct(rb_cSockIfaddr, &ifaddr_type, 0); + root = xmalloc(offsetof(rb_ifaddr_root_t, ary) + numifaddrs * sizeof(rb_ifaddr_t)); + root->refcount = 0; + root->numifaddrs = numifaddrs; + + ifa = ifaddrs; + for (i = 0; i < numifaddrs; i++) { + root->ary[i].ord = i; + root->ary[i].ifaddr = ifa; + ifa = ifa->ifa_next; + } + RTYPEDDATA_DATA(addr) = &root->ary[0]; + root->refcount++; + + result = rb_ary_new2(numifaddrs); + rb_ary_push(result, addr); + for (i = 1; i < numifaddrs; i++) { + addr = TypedData_Wrap_Struct(rb_cSockIfaddr, &ifaddr_type, &root->ary[i]); + root->refcount++; + rb_ary_push(result, addr); + } + + return result; +} + +/* + * call-seq: + * ifaddr.name => string + * + * Returns the interface name of _ifaddr_. + */ + +static VALUE +ifaddr_name(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + return rb_str_new_cstr(ifa->ifa_name); +} + +#ifdef HAVE_IF_NAMETOINDEX +/* + * call-seq: + * ifaddr.ifindex => integer + * + * Returns the interface index of _ifaddr_. + */ + +static VALUE +ifaddr_ifindex(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + unsigned int ifindex = if_nametoindex(ifa->ifa_name); + if (ifindex == 0) { + rb_raise(rb_eArgError, "invalid interface name: %s", ifa->ifa_name); + } + return UINT2NUM(ifindex); +} +#else +#define ifaddr_ifindex rb_f_notimplement +#endif + +/* + * call-seq: + * ifaddr.flags => integer + * + * Returns the flags of _ifaddr_. + * + * The value is bitwise-or of Socket::IFF_* constants such as Socket::IFF_LOOPBACK. + */ + +static VALUE +ifaddr_flags(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + return IFAFLAGS2NUM(ifa->ifa_flags); +} + +/* + * call-seq: + * ifaddr.addr => addrinfo + * + * Returns the address of _ifaddr_. + * nil is returned if address is not available in _ifaddr_. + */ + +static VALUE +ifaddr_addr(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + if (ifa->ifa_addr) + return rsock_sockaddr_obj(ifa->ifa_addr, rsock_sockaddr_len(ifa->ifa_addr)); + return Qnil; +} + +/* + * call-seq: + * ifaddr.netmask => addrinfo + * + * Returns the netmask address of _ifaddr_. + * nil is returned if netmask is not available in _ifaddr_. + */ + +static VALUE +ifaddr_netmask(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + if (ifa->ifa_netmask) + return rsock_sockaddr_obj(ifa->ifa_netmask, rsock_sockaddr_len(ifa->ifa_netmask)); + return Qnil; +} + +/* + * call-seq: + * ifaddr.broadaddr => addrinfo + * + * Returns the broadcast address of _ifaddr_. + * nil is returned if the flags doesn't have IFF_BROADCAST. + */ + +static VALUE +ifaddr_broadaddr(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + if ((ifa->ifa_flags & IFF_BROADCAST) && ifa->ifa_broadaddr) + return rsock_sockaddr_obj(ifa->ifa_broadaddr, rsock_sockaddr_len(ifa->ifa_broadaddr)); + return Qnil; +} + +/* + * call-seq: + * ifaddr.dstaddr => addrinfo + * + * Returns the destination address of _ifaddr_. + * nil is returned if the flags doesn't have IFF_POINTOPOINT. + */ + +static VALUE +ifaddr_dstaddr(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + if ((ifa->ifa_flags & IFF_POINTOPOINT) && ifa->ifa_dstaddr) + return rsock_sockaddr_obj(ifa->ifa_dstaddr, rsock_sockaddr_len(ifa->ifa_dstaddr)); + return Qnil; +} + +#ifdef HAVE_STRUCT_IF_DATA_IFI_VHID +/* + * call-seq: + * ifaddr.vhid => Integer + * + * Returns the vhid address of _ifaddr_. + * nil is returned if there is no vhid. + */ + +static VALUE +ifaddr_vhid(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + if (ifa->ifa_data) + return (INT2FIX(((struct if_data*)ifa->ifa_data)->ifi_vhid)); + else + return Qnil; +} +#endif + +static void +ifaddr_inspect_flags(ifa_flags_t flags, VALUE result) +{ + const char *sep = " "; +#define INSPECT_BIT(bit, name) \ + if (flags & (bit)) { rb_str_catf(result, "%s" name, sep); flags &= ~(ifa_flags_t)(bit); sep = ","; } +#ifdef IFF_UP + INSPECT_BIT(IFF_UP, "UP") +#endif +#ifdef IFF_BROADCAST + INSPECT_BIT(IFF_BROADCAST, "BROADCAST") +#endif +#ifdef IFF_DEBUG + INSPECT_BIT(IFF_DEBUG, "DEBUG") +#endif +#ifdef IFF_LOOPBACK + INSPECT_BIT(IFF_LOOPBACK, "LOOPBACK") +#endif +#ifdef IFF_POINTOPOINT + INSPECT_BIT(IFF_POINTOPOINT, "POINTOPOINT") +#endif +#ifdef IFF_RUNNING + INSPECT_BIT(IFF_RUNNING, "RUNNING") +#endif +#ifdef IFF_NOARP + INSPECT_BIT(IFF_NOARP, "NOARP") +#endif +#ifdef IFF_PROMISC + INSPECT_BIT(IFF_PROMISC, "PROMISC") +#endif +#ifdef IFF_NOTRAILERS + INSPECT_BIT(IFF_NOTRAILERS, "NOTRAILERS") +#endif +#ifdef IFF_ALLMULTI + INSPECT_BIT(IFF_ALLMULTI, "ALLMULTI") +#endif +#ifdef IFF_SIMPLEX + INSPECT_BIT(IFF_SIMPLEX, "SIMPLEX") +#endif +#ifdef IFF_MASTER + INSPECT_BIT(IFF_MASTER, "MASTER") +#endif +#ifdef IFF_SLAVE + INSPECT_BIT(IFF_SLAVE, "SLAVE") +#endif +#ifdef IFF_MULTICAST + INSPECT_BIT(IFF_MULTICAST, "MULTICAST") +#endif +#ifdef IFF_PORTSEL + INSPECT_BIT(IFF_PORTSEL, "PORTSEL") +#endif +#ifdef IFF_AUTOMEDIA + INSPECT_BIT(IFF_AUTOMEDIA, "AUTOMEDIA") +#endif +#ifdef IFF_DYNAMIC + INSPECT_BIT(IFF_DYNAMIC, "DYNAMIC") +#endif +#ifdef IFF_LOWER_UP + INSPECT_BIT(IFF_LOWER_UP, "LOWER_UP") +#endif +#ifdef IFF_DORMANT + INSPECT_BIT(IFF_DORMANT, "DORMANT") +#endif +#ifdef IFF_ECHO + INSPECT_BIT(IFF_ECHO, "ECHO") +#endif +#undef INSPECT_BIT + if (flags) { + rb_str_catf(result, "%s%#"PRIxIFAFLAGS, sep, flags); + } +} + +/* + * call-seq: + * ifaddr.inspect => string + * + * Returns a string to show contents of _ifaddr_. + */ + +static VALUE +ifaddr_inspect(VALUE self) +{ + struct ifaddrs *ifa = get_ifaddrs(self); + VALUE result; + + result = rb_str_new_cstr("#<"); + + rb_str_append(result, rb_class_name(CLASS_OF(self))); + rb_str_cat2(result, " "); + rb_str_cat2(result, ifa->ifa_name); + + if (ifa->ifa_flags) + ifaddr_inspect_flags(ifa->ifa_flags, result); + + if (ifa->ifa_addr) { + rb_str_cat2(result, " "); + rsock_inspect_sockaddr(ifa->ifa_addr, + rsock_sockaddr_len(ifa->ifa_addr), + result); + } + if (ifa->ifa_netmask) { + rb_str_cat2(result, " netmask="); + rsock_inspect_sockaddr(ifa->ifa_netmask, + rsock_sockaddr_len(ifa->ifa_netmask), + result); + } + + if ((ifa->ifa_flags & IFF_BROADCAST) && ifa->ifa_broadaddr) { + rb_str_cat2(result, " broadcast="); + rsock_inspect_sockaddr(ifa->ifa_broadaddr, + rsock_sockaddr_len(ifa->ifa_broadaddr), + result); + } + + if ((ifa->ifa_flags & IFF_POINTOPOINT) && ifa->ifa_dstaddr) { + rb_str_cat2(result, " dstaddr="); + rsock_inspect_sockaddr(ifa->ifa_dstaddr, + rsock_sockaddr_len(ifa->ifa_dstaddr), + result); + } + + rb_str_cat2(result, ">"); + return result; +} +#endif + +#ifdef HAVE_GETIFADDRS +/* + * call-seq: + * Socket.getifaddrs => [ifaddr1, ...] + * + * Returns an array of interface addresses. + * An element of the array is an instance of Socket::Ifaddr. + * + * This method can be used to find multicast-enabled interfaces: + * + * pp Socket.getifaddrs.reject {|ifaddr| + * !ifaddr.addr.ip? || (ifaddr.flags & Socket::IFF_MULTICAST == 0) + * }.map {|ifaddr| [ifaddr.name, ifaddr.ifindex, ifaddr.addr] } + * #=> [["eth0", 2, #<Addrinfo: 221.186.184.67>], + * # ["eth0", 2, #<Addrinfo: fe80::216:3eff:fe95:88bb%eth0>]] + * + * Example result on GNU/Linux: + * pp Socket.getifaddrs + * #=> [#<Socket::Ifaddr lo UP,LOOPBACK,RUNNING,0x10000 PACKET[protocol=0 lo hatype=772 HOST hwaddr=00:00:00:00:00:00]>, + * # #<Socket::Ifaddr eth0 UP,BROADCAST,RUNNING,MULTICAST,0x10000 PACKET[protocol=0 eth0 hatype=1 HOST hwaddr=00:16:3e:95:88:bb] broadcast=PACKET[protocol=0 eth0 hatype=1 HOST hwaddr=ff:ff:ff:ff:ff:ff]>, + * # #<Socket::Ifaddr sit0 NOARP PACKET[protocol=0 sit0 hatype=776 HOST hwaddr=00:00:00:00]>, + * # #<Socket::Ifaddr lo UP,LOOPBACK,RUNNING,0x10000 127.0.0.1 netmask=255.0.0.0>, + * # #<Socket::Ifaddr eth0 UP,BROADCAST,RUNNING,MULTICAST,0x10000 221.186.184.67 netmask=255.255.255.240 broadcast=221.186.184.79>, + * # #<Socket::Ifaddr lo UP,LOOPBACK,RUNNING,0x10000 ::1 netmask=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>, + * # #<Socket::Ifaddr eth0 UP,BROADCAST,RUNNING,MULTICAST,0x10000 fe80::216:3eff:fe95:88bb%eth0 netmask=ffff:ffff:ffff:ffff::>] + * + * Example result on FreeBSD: + * pp Socket.getifaddrs + * #=> [#<Socket::Ifaddr usbus0 UP,0x10000 LINK[usbus0]>, + * # #<Socket::Ifaddr re0 UP,BROADCAST,RUNNING,MULTICAST,0x800 LINK[re0 3a:d0:40:9a:fe:e8]>, + * # #<Socket::Ifaddr re0 UP,BROADCAST,RUNNING,MULTICAST,0x800 10.250.10.18 netmask=255.255.255.? (7 bytes for 16 bytes sockaddr_in) broadcast=10.250.10.255>, + * # #<Socket::Ifaddr re0 UP,BROADCAST,RUNNING,MULTICAST,0x800 fe80:2::38d0:40ff:fe9a:fee8 netmask=ffff:ffff:ffff:ffff::>, + * # #<Socket::Ifaddr re0 UP,BROADCAST,RUNNING,MULTICAST,0x800 2001:2e8:408:10::12 netmask=UNSPEC>, + * # #<Socket::Ifaddr plip0 POINTOPOINT,MULTICAST,0x800 LINK[plip0]>, + * # #<Socket::Ifaddr lo0 UP,LOOPBACK,RUNNING,MULTICAST LINK[lo0]>, + * # #<Socket::Ifaddr lo0 UP,LOOPBACK,RUNNING,MULTICAST ::1 netmask=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff>, + * # #<Socket::Ifaddr lo0 UP,LOOPBACK,RUNNING,MULTICAST fe80:4::1 netmask=ffff:ffff:ffff:ffff::>, + * # #<Socket::Ifaddr lo0 UP,LOOPBACK,RUNNING,MULTICAST 127.0.0.1 netmask=255.?.?.? (5 bytes for 16 bytes sockaddr_in)>] + * + */ + +static VALUE +socket_s_getifaddrs(VALUE self) +{ + return rsock_getifaddrs(); +} +#else +#define socket_s_getifaddrs rb_f_notimplement +#endif + +void +rsock_init_sockifaddr(void) +{ +#ifdef HAVE_GETIFADDRS + /* + * Document-class: Socket::Ifaddr + * + * Socket::Ifaddr represents a result of getifaddrs() function. + */ + rb_cSockIfaddr = rb_define_class_under(rb_cSocket, "Ifaddr", rb_cObject); + rb_undef_alloc_func(rb_cSockIfaddr); + rb_define_method(rb_cSockIfaddr, "inspect", ifaddr_inspect, 0); + rb_define_method(rb_cSockIfaddr, "name", ifaddr_name, 0); + rb_define_method(rb_cSockIfaddr, "ifindex", ifaddr_ifindex, 0); + rb_define_method(rb_cSockIfaddr, "flags", ifaddr_flags, 0); + rb_define_method(rb_cSockIfaddr, "addr", ifaddr_addr, 0); + rb_define_method(rb_cSockIfaddr, "netmask", ifaddr_netmask, 0); + rb_define_method(rb_cSockIfaddr, "broadaddr", ifaddr_broadaddr, 0); + rb_define_method(rb_cSockIfaddr, "dstaddr", ifaddr_dstaddr, 0); +#ifdef HAVE_STRUCT_IF_DATA_IFI_VHID + rb_define_method(rb_cSockIfaddr, "vhid", ifaddr_vhid, 0); +#endif +#endif + + rb_define_singleton_method(rb_cSocket, "getifaddrs", socket_s_getifaddrs, 0); +} diff --git a/ext/socket/init.c b/ext/socket/init.c index b143dccd5f..b761d601c3 100644 --- a/ext/socket/init.c +++ b/ext/socket/init.c @@ -10,6 +10,10 @@ #include "rubysocket.h" +#ifdef _WIN32 +VALUE rb_w32_conv_from_wchar(const WCHAR *wstr, rb_encoding *enc); +#endif + VALUE rb_cBasicSocket; VALUE rb_cIPSocket; VALUE rb_cTCPSocket; @@ -23,44 +27,57 @@ VALUE rb_cSocket; VALUE rb_cAddrinfo; VALUE rb_eSocket; +VALUE rb_eResolution; #ifdef SOCKS VALUE rb_cSOCKSSocket; #endif -int rsock_do_not_reverse_lookup = 0; +int rsock_do_not_reverse_lookup = 1; +static VALUE sym_wait_readable; +static ID id_error_code; void -rsock_raise_socket_error(const char *reason, int error) +rsock_raise_resolution_error(const char *reason, int error) { #ifdef EAI_SYSTEM - if (error == EAI_SYSTEM) rb_sys_fail(reason); + int e; + if (error == EAI_SYSTEM && (e = errno) != 0) + rb_syserr_fail(e, reason); +#endif +#ifdef _WIN32 + rb_encoding *enc = rb_default_internal_encoding(); + VALUE msg = rb_sprintf("%s: ", reason); + if (!enc) enc = rb_default_internal_encoding(); + rb_str_concat(msg, rb_w32_conv_from_wchar(gai_strerrorW(error), enc)); +#else + VALUE msg = rb_sprintf("%s: %s", reason, gai_strerror(error)); #endif - rb_raise(rb_eSocket, "%s: %s", reason, gai_strerror(error)); + + StringValue(msg); + VALUE self = rb_class_new_instance(1, &msg, rb_eResolution); + rb_ivar_set(self, id_error_code, INT2NUM(error)); + rb_exc_raise(self); } +#if defined __APPLE__ +# define do_write_retry(code) do {ret = code;} while (ret == -1 && errno == EPROTOTYPE) +#else +# define do_write_retry(code) ret = code +#endif + VALUE rsock_init_sock(VALUE sock, int fd) { rb_io_t *fp; - struct stat sbuf; - -#ifndef _WIN32 - if (fstat(fd, &sbuf) < 0) - rb_sys_fail(0); - if (!S_ISSOCK(sbuf.st_mode)) - rb_raise(rb_eArgError, "not a socket file descriptor"); -#else - if (!rb_w32_is_socket(fd)) - rb_raise(rb_eArgError, "not a socket file descriptor"); -#endif + rb_update_max_fd(fd); MakeOpenFile(sock, fp); fp->fd = fd; fp->mode = FMODE_READWRITE|FMODE_DUPLEX; rb_io_ascii8bit_binmode(sock); if (rsock_do_not_reverse_lookup) { - fp->mode |= FMODE_NOREVLOOKUP; + fp->mode |= FMODE_NOREVLOOKUP; } rb_io_synchronized(fp); @@ -72,8 +89,10 @@ rsock_sendto_blocking(void *data) { struct rsock_send_arg *arg = data; VALUE mesg = arg->mesg; - return (VALUE)sendto(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), - arg->flags, arg->to, arg->tolen); + ssize_t ret; + do_write_retry(sendto(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), + arg->flags, arg->to, arg->tolen)); + return (VALUE)ret; } VALUE @@ -81,111 +100,167 @@ rsock_send_blocking(void *data) { struct rsock_send_arg *arg = data; VALUE mesg = arg->mesg; - return (VALUE)send(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), - arg->flags); + ssize_t ret; + do_write_retry(send(arg->fd, RSTRING_PTR(mesg), RSTRING_LEN(mesg), + arg->flags)); + return (VALUE)ret; } struct recvfrom_arg { + rb_io_t *fptr; int fd, flags; VALUE str; + size_t length; socklen_t alen; - struct sockaddr_storage buf; + union_sockaddr buf; }; static VALUE recvfrom_blocking(void *data) { struct recvfrom_arg *arg = data; - return (VALUE)recvfrom(arg->fd, RSTRING_PTR(arg->str), RSTRING_LEN(arg->str), - arg->flags, (struct sockaddr*)&arg->buf, &arg->alen); + socklen_t len0 = arg->alen; + ssize_t ret; + ret = recvfrom(arg->fd, RSTRING_PTR(arg->str), arg->length, + arg->flags, &arg->buf.addr, &arg->alen); + + if (ret != -1 && len0 < arg->alen) + arg->alen = len0; + + return (VALUE)ret; +} + +static VALUE +rsock_strbuf(VALUE str, long buflen) +{ + long len; + + if (NIL_P(str)) return rb_str_new(0, buflen); + + StringValue(str); + len = RSTRING_LEN(str); + if (len >= buflen) { + rb_str_modify(str); + } else { + rb_str_modify_expand(str, buflen - len); + } + return str; +} + +static VALUE +recvfrom_locktmp(VALUE v) +{ + struct recvfrom_arg *arg = (struct recvfrom_arg *)v; + + return rb_io_blocking_region(arg->fptr, recvfrom_blocking, arg); +} + +int +rsock_is_dgram(rb_io_t *fptr) +{ + int socktype; + socklen_t optlen = (socklen_t)sizeof(socktype); + int ret = getsockopt(fptr->fd, SOL_SOCKET, SO_TYPE, (void*)&socktype, &optlen); + if (ret == -1) { + rb_sys_fail("getsockopt(SO_TYPE)"); + } + return socktype == SOCK_DGRAM; } VALUE -rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) +rsock_s_recvfrom(VALUE socket, int argc, VALUE *argv, enum sock_recv_type from) { rb_io_t *fptr; - VALUE str, klass; + VALUE str; struct recvfrom_arg arg; VALUE len, flg; long buflen; long slen; - rb_scan_args(argc, argv, "11", &len, &flg); + rb_scan_args(argc, argv, "12", &len, &flg, &str); + + if (flg == Qnil) + arg.flags = 0; + else + arg.flags = NUM2INT(flg); - if (flg == Qnil) arg.flags = 0; - else arg.flags = NUM2INT(flg); buflen = NUM2INT(len); + str = rsock_strbuf(str, buflen); + + RB_IO_POINTER(socket, fptr); - GetOpenFile(sock, fptr); if (rb_io_read_pending(fptr)) { - rb_raise(rb_eIOError, "recv for buffered IO"); + rb_raise(rb_eIOError, "recv for buffered IO"); } + + arg.fptr = fptr; arg.fd = fptr->fd; - arg.alen = sizeof(arg.buf); + arg.alen = (socklen_t)sizeof(arg.buf); + arg.str = str; + arg.length = buflen; - arg.str = str = rb_tainted_str_new(0, buflen); - klass = RBASIC(str)->klass; - RBASIC(str)->klass = 0; + while (true) { + rb_io_check_closed(fptr); - while (rb_io_check_closed(fptr), - rb_thread_wait_fd(arg.fd), - (slen = BLOCKING_REGION(recvfrom_blocking, &arg)) < 0) { - if (!rb_io_wait_readable(fptr->fd)) { - rb_sys_fail("recvfrom(2)"); +#ifdef RSOCK_WAIT_BEFORE_BLOCKING + rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_READABLE), Qnil); +#endif + + rb_str_locktmp(str); + slen = (long)rb_ensure(recvfrom_locktmp, (VALUE)&arg, rb_str_unlocktmp, str); + + if (slen == 0 && !rsock_is_dgram(fptr)) { + return Qnil; } - if (RBASIC(str)->klass || RSTRING_LEN(str) != buflen) { - rb_raise(rb_eRuntimeError, "buffer string modified"); - } - } + if (slen >= 0) break; - RBASIC(str)->klass = klass; - if (slen < RSTRING_LEN(str)) { - rb_str_set_len(str, slen); + if (!rb_io_maybe_wait_readable(errno, socket, RUBY_IO_TIMEOUT_DEFAULT)) + rb_sys_fail("recvfrom(2)"); } - rb_obj_taint(str); + + /* Resize the string to the amount of data received */ + rb_str_set_len(str, slen); switch (from) { case RECV_RECV: - return str; + return str; case RECV_IP: #if 0 - if (arg.alen != sizeof(struct sockaddr_in)) { - rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); - } + if (arg.alen != sizeof(struct sockaddr_in)) { + rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); + } #endif - if (arg.alen && arg.alen != sizeof(arg.buf)) /* OSX doesn't return a from result for connection-oriented sockets */ - return rb_assoc_new(str, rsock_ipaddr((struct sockaddr*)&arg.buf, fptr->mode & FMODE_NOREVLOOKUP)); - else - return rb_assoc_new(str, Qnil); + if (arg.alen && arg.alen != sizeof(arg.buf)) /* OSX doesn't return a from result for connection-oriented sockets */ + return rb_assoc_new(str, rsock_ipaddr(&arg.buf.addr, arg.alen, fptr->mode & FMODE_NOREVLOOKUP)); + else + return rb_assoc_new(str, Qnil); -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case RECV_UNIX: - return rb_assoc_new(str, rsock_unixaddr((struct sockaddr_un*)&arg.buf, arg.alen)); + return rb_assoc_new(str, rsock_unixaddr(&arg.buf.un, arg.alen)); #endif case RECV_SOCKET: - return rb_assoc_new(str, rsock_io_socket_addrinfo(sock, (struct sockaddr*)&arg.buf, arg.alen)); + return rb_assoc_new(str, rsock_io_socket_addrinfo(socket, &arg.buf.addr, arg.alen)); default: - rb_bug("rsock_s_recvfrom called with bad value"); + rb_bug("rsock_s_recvfrom called with bad value"); } } VALUE -rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) +rsock_s_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, + VALUE ex, enum sock_recv_type from) { rb_io_t *fptr; - VALUE str; - struct sockaddr_storage buf; - socklen_t alen = sizeof buf; - VALUE len, flg; + union_sockaddr buf; + socklen_t alen = (socklen_t)sizeof buf; long buflen; long slen; int fd, flags; VALUE addr = Qnil; + socklen_t len0; - rb_scan_args(argc, argv, "11", &len, &flg); - - if (flg == Qnil) flags = 0; - else flags = NUM2INT(flg); + flags = NUM2INT(flg); buflen = NUM2INT(len); + str = rsock_strbuf(str, buflen); #ifdef MSG_DONTWAIT /* MSG_DONTWAIT avoids the race condition between fcntl and recvfrom. @@ -195,41 +270,51 @@ rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type GetOpenFile(sock, fptr); if (rb_io_read_pending(fptr)) { - rb_raise(rb_eIOError, "recvfrom for buffered IO"); + rb_raise(rb_eIOError, "recvfrom for buffered IO"); } fd = fptr->fd; - str = rb_tainted_str_new(0, buflen); - rb_io_check_closed(fptr); - rb_io_set_nonblock(fptr); - slen = recvfrom(fd, RSTRING_PTR(str), buflen, flags, (struct sockaddr*)&buf, &alen); + + if (!MSG_DONTWAIT_RELIABLE) + rb_io_set_nonblock(fptr); + + len0 = alen; + slen = recvfrom(fd, RSTRING_PTR(str), buflen, flags, &buf.addr, &alen); + if (slen != -1 && len0 < alen) + alen = len0; + + if (slen == 0 && !rsock_is_dgram(fptr)) { + return Qnil; + } if (slen < 0) { - switch (errno) { - case EAGAIN: + int e = errno; + switch (e) { + case EAGAIN: #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN - case EWOULDBLOCK: + case EWOULDBLOCK: #endif - rb_mod_sys_fail(rb_mWaitReadable, "recvfrom(2) would block"); - } - rb_sys_fail("recvfrom(2)"); + if (ex == Qfalse) + return sym_wait_readable; + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, e, "recvfrom(2) would block"); + } + rb_syserr_fail(e, "recvfrom(2)"); } - if (slen < RSTRING_LEN(str)) { - rb_str_set_len(str, slen); + if (slen != RSTRING_LEN(str)) { + rb_str_set_len(str, slen); } - rb_obj_taint(str); switch (from) { case RECV_RECV: return str; case RECV_IP: if (alen && alen != sizeof(buf)) /* connection-oriented socket may not return a from result */ - addr = rsock_ipaddr((struct sockaddr*)&buf, fptr->mode & FMODE_NOREVLOOKUP); + addr = rsock_ipaddr(&buf.addr, alen, fptr->mode & FMODE_NOREVLOOKUP); break; case RECV_SOCKET: - addr = rsock_io_socket_addrinfo(sock, (struct sockaddr*)&buf, alen); + addr = rsock_io_socket_addrinfo(sock, &buf.addr, alen); break; default: @@ -238,111 +323,246 @@ rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type return rb_assoc_new(str, addr); } +#if MSG_DONTWAIT_RELIABLE +static VALUE sym_wait_writable; + +/* copied from io.c :< */ +static long +read_buffered_data(char *ptr, long len, rb_io_t *fptr) +{ + int n = fptr->rbuf.len; + + if (n <= 0) return 0; + if (n > len) n = (int)len; + MEMMOVE(ptr, fptr->rbuf.ptr+fptr->rbuf.off, char, n); + fptr->rbuf.off += n; + fptr->rbuf.len -= n; + return n; +} + +/* :nodoc: */ +VALUE +rsock_read_nonblock(VALUE sock, VALUE length, VALUE buf, VALUE ex) +{ + rb_io_t *fptr; + long n; + long len = NUM2LONG(length); + VALUE str = rsock_strbuf(buf, len); + char *ptr; + + GetOpenFile(sock, fptr); + + if (len == 0) { + rb_str_set_len(str, 0); + return str; + } + + ptr = RSTRING_PTR(str); + n = read_buffered_data(ptr, len, fptr); + if (n <= 0) { + n = (long)recv(fptr->fd, ptr, len, MSG_DONTWAIT); + if (n < 0) { + int e = errno; + if ((e == EWOULDBLOCK || e == EAGAIN)) { + if (ex == Qfalse) return sym_wait_readable; + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, + e, "read would block"); + } + rb_syserr_fail_path(e, fptr->pathv); + } + } + if (n != RSTRING_LEN(str)) { + rb_str_modify(str); + rb_str_set_len(str, n); + } + if (n == 0) { + if (ex == Qfalse) return Qnil; + rb_eof_error(); + } + + return str; +} + +/* :nodoc: */ +VALUE +rsock_write_nonblock(VALUE sock, VALUE str, VALUE ex) +{ + rb_io_t *fptr; + long n; + + if (!RB_TYPE_P(str, T_STRING)) + str = rb_obj_as_string(str); + + sock = rb_io_get_write_io(sock); + GetOpenFile(sock, fptr); + rb_io_check_writable(fptr); + + /* + * As with IO#write_nonblock, we may block if somebody is relying on + * buffered I/O; but nobody actually hits this because pipes and sockets + * are not userspace-buffered in Ruby by default. + */ + if (fptr->wbuf.len > 0) { + rb_io_flush(sock); + } + +#ifdef __APPLE__ + again: +#endif + n = (long)send(fptr->fd, RSTRING_PTR(str), RSTRING_LEN(str), MSG_DONTWAIT); + if (n < 0) { + int e = errno; + +#ifdef __APPLE__ + if (e == EPROTOTYPE) { + goto again; + } +#endif + if (e == EWOULDBLOCK || e == EAGAIN) { + if (ex == Qfalse) return sym_wait_writable; + rb_readwrite_syserr_fail(RB_IO_WAIT_WRITABLE, e, + "write would block"); + } + rb_syserr_fail_path(e, fptr->pathv); + } + + return LONG2FIX(n); +} +#endif /* MSG_DONTWAIT_RELIABLE */ + +static int +rsock_socket0(int domain, int type, int proto) +{ +#ifdef SOCK_CLOEXEC + type |= SOCK_CLOEXEC; +#endif + +#ifdef SOCK_NONBLOCK + type |= SOCK_NONBLOCK; +#endif + + int result = socket(domain, type, proto); + + if (result == -1) + return -1; + + rb_fd_fix_cloexec(result); + +#ifndef SOCK_NONBLOCK + rsock_make_fd_nonblock(result); +#endif + + return result; +} + int rsock_socket(int domain, int type, int proto) { int fd; - fd = socket(domain, type, proto); + fd = rsock_socket0(domain, type, proto); if (fd < 0) { - if (errno == EMFILE || errno == ENFILE) { - rb_gc(); - fd = socket(domain, type, proto); - } + if (rb_gc_for_fd(errno)) { + fd = rsock_socket0(domain, type, proto); + } } + if (0 <= fd) + rb_update_max_fd(fd); return fd; } +/* emulate blocking connect behavior on EINTR or non-blocking socket */ static int -wait_connectable0(int fd, rb_fdset_t *fds_w, rb_fdset_t *fds_e) +wait_connectable(VALUE self, VALUE timeout, const struct sockaddr *sockaddr, int len) { int sockerr; socklen_t sockerrlen; + int fd = rb_io_descriptor(self); + + sockerrlen = (socklen_t)sizeof(sockerr); + if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen) < 0) + return -1; - for (;;) { - rb_fd_zero(fds_w); - rb_fd_zero(fds_e); - - rb_fd_set(fd, fds_w); - rb_fd_set(fd, fds_e); - - rb_thread_select(fd+1, 0, rb_fd_ptr(fds_w), rb_fd_ptr(fds_e), 0); - - if (rb_fd_isset(fd, fds_w)) { - return 0; - } - else if (rb_fd_isset(fd, fds_e)) { - sockerrlen = sizeof(sockerr); - if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, - &sockerrlen) == 0) { - if (sockerr == 0) - continue; /* workaround for winsock */ - errno = sockerr; - } - return -1; - } + /* necessary for non-blocking sockets (at least ECONNREFUSED) */ + switch (sockerr) { + case 0: + break; +#ifdef EALREADY + case EALREADY: +#endif +#ifdef EISCONN + case EISCONN: +#endif +#ifdef ECONNREFUSED + case ECONNREFUSED: +#endif +#ifdef EHOSTUNREACH + case EHOSTUNREACH: +#endif + errno = sockerr; + return -1; } -} -struct wait_connectable_arg { - int fd; - rb_fdset_t fds_w; - rb_fdset_t fds_e; -}; + /* + * Stevens book says, successful finish turn on RB_WAITFD_OUT and + * failure finish turn on both RB_WAITFD_IN and RB_WAITFD_OUT. + * So it's enough to wait only RB_WAITFD_OUT and check the pending error + * by getsockopt(). + * + * Note: rb_wait_for_single_fd already retries on EINTR/ERESTART + */ + VALUE result = rb_io_wait(self, RB_INT2NUM(RUBY_IO_READABLE|RUBY_IO_WRITABLE), timeout); + + if (result == Qfalse) { + VALUE rai = rsock_addrinfo_new((struct sockaddr *)sockaddr, len, PF_UNSPEC, 0, 0, Qnil, Qnil); + VALUE addr_str = rsock_addrinfo_inspect_sockaddr(rai); + VALUE message = rb_sprintf("user specified timeout for %" PRIsVALUE, addr_str); + rb_raise(rb_eIOTimeoutError, "%" PRIsVALUE, message); + } -#ifdef HAVE_RB_FD_INIT -static VALUE -try_wait_connectable(VALUE arg) -{ - struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; - return (VALUE)wait_connectable0(p->fd, &p->fds_w, &p->fds_e); -} + int revents = RB_NUM2INT(result); -static VALUE -wait_connectable_ensure(VALUE arg) -{ - struct wait_connectable_arg *p = (struct wait_connectable_arg *)arg; - rb_fd_term(&p->fds_w); - rb_fd_term(&p->fds_e); - return Qnil; -} -#endif + if (revents < 0) + return -1; -static int -wait_connectable(int fd) -{ - struct wait_connectable_arg arg; - - rb_fd_init(&arg.fds_w); - rb_fd_init(&arg.fds_e); -#ifdef HAVE_RB_FD_INIT - arg.fd = fd; - return (int)rb_ensure(try_wait_connectable, (VALUE)&arg, - wait_connectable_ensure,(VALUE)&arg); -#else - return wait_connectable0(fd, &arg.fds_w, &arg.fds_e); -#endif -} + sockerrlen = (socklen_t)sizeof(sockerr); + if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen) < 0) + return -1; -#ifdef __CYGWIN__ -#define WAIT_IN_PROGRESS 10 + switch (sockerr) { + case 0: + /* + * be defensive in case some platforms set SO_ERROR on the original, + * interrupted connect() + */ + case EINTR: +#ifdef ERESTART + case ERESTART: #endif -#ifdef __APPLE__ -#define WAIT_IN_PROGRESS 10 + case EAGAIN: +#ifdef EINPROGRESS + case EINPROGRESS: #endif -#ifdef __linux__ -/* returns correct error */ -#define WAIT_IN_PROGRESS 0 +#ifdef EALREADY + case EALREADY: #endif -#ifndef WAIT_IN_PROGRESS -/* BSD origin code apparently has a problem */ -#define WAIT_IN_PROGRESS 1 +#ifdef EISCONN + case EISCONN: #endif + return 0; /* success */ + default: + /* likely (but not limited to): ECONNREFUSED, ETIMEDOUT, EHOSTUNREACH */ + errno = sockerr; + return -1; + } + + return 0; +} struct connect_arg { int fd; - const struct sockaddr *sockaddr; socklen_t len; + const struct sockaddr *sockaddr; }; static VALUE @@ -362,130 +582,115 @@ socks_connect_blocking(void *data) #endif int -rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks) +rsock_connect(VALUE self, const struct sockaddr *sockaddr, int len, int socks, VALUE timeout) { - int status; + int descriptor = rb_io_descriptor(self); rb_blocking_function_t *func = connect_blocking; - struct connect_arg arg; -#if WAIT_IN_PROGRESS > 0 - int wait_in_progress = -1; - int sockerr; - socklen_t sockerrlen; -#endif + struct connect_arg arg = {.fd = descriptor, .sockaddr = sockaddr, .len = len}; + + rb_io_t *fptr; + RB_IO_POINTER(self, fptr); - arg.fd = fd; - arg.sockaddr = sockaddr; - arg.len = len; #if defined(SOCKS) && !defined(SOCKS5) if (socks) func = socks_connect_blocking; #endif - for (;;) { - status = (int)BLOCKING_REGION(func, &arg); - if (status < 0) { - switch (errno) { - case EAGAIN: -#ifdef EINPROGRESS - case EINPROGRESS: -#endif -#if WAIT_IN_PROGRESS > 0 - sockerrlen = sizeof(sockerr); - status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - if (status) break; - if (sockerr) { - status = -1; - errno = sockerr; - break; - } + int status = (int)rb_io_blocking_region(fptr, func, &arg); + + if (status < 0) { + switch (errno) { + case EINTR: +#ifdef ERESTART + case ERESTART: #endif -#ifdef EALREADY - case EALREADY: -#endif -#if WAIT_IN_PROGRESS > 0 - wait_in_progress = WAIT_IN_PROGRESS; -#endif - status = wait_connectable(fd); - if (status) { - break; - } - errno = 0; - continue; - -#if WAIT_IN_PROGRESS > 0 - case EINVAL: - if (wait_in_progress-- > 0) { - /* - * connect() after EINPROGRESS returns EINVAL on - * some platforms, need to check true error - * status. - */ - sockerrlen = sizeof(sockerr); - status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - if (!status && !sockerr) { - struct timeval tv = {0, 100000}; - rb_thread_wait_for(tv); - continue; - } - status = -1; - errno = sockerr; - } - break; + case EAGAIN: +#ifdef EINPROGRESS + case EINPROGRESS: #endif - -#ifdef EISCONN - case EISCONN: - status = 0; - errno = 0; - break; -#endif - default: - break; - } - } - return status; + return wait_connectable(self, timeout, sockaddr, len); + } } + return status; } -static void -make_fd_nonblock(int fd) +void +rsock_make_fd_nonblock(int fd) { +#ifdef _WIN32 + return; +#endif + int flags; #ifdef F_GETFL flags = fcntl(fd, F_GETFL); if (flags == -1) { - rb_sys_fail(0); + rb_sys_fail("fnctl(2)"); } #else flags = 0; #endif flags |= O_NONBLOCK; if (fcntl(fd, F_SETFL, flags) == -1) { - rb_sys_fail(0); + rb_sys_fail("fnctl(2)"); } } +static int +cloexec_accept(int socket, struct sockaddr *address, socklen_t *address_len) +{ + socklen_t len0 = 0; + if (address_len) len0 = *address_len; + +#ifdef HAVE_ACCEPT4 + int flags = SOCK_CLOEXEC; + +#ifdef SOCK_NONBLOCK + flags |= SOCK_NONBLOCK; +#endif + + int result = accept4(socket, address, address_len, flags); + if (result == -1) return -1; + +#ifndef SOCK_NONBLOCK + rsock_make_fd_nonblock(result); +#endif +#else + int result = accept(socket, address, address_len); + if (result == -1) return -1; + + rb_maygvl_fd_fix_cloexec(result); + rsock_make_fd_nonblock(result); +#endif + + if (address_len && len0 < *address_len) *address_len = len0; + return result; +} + VALUE -rsock_s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, socklen_t *len) +rsock_s_accept_nonblock(VALUE klass, VALUE ex, rb_io_t *fptr, + struct sockaddr *sockaddr, socklen_t *len) { int fd2; - rb_secure(3); rb_io_set_nonblock(fptr); - fd2 = accept(fptr->fd, (struct sockaddr*)sockaddr, len); + fd2 = cloexec_accept(fptr->fd, (struct sockaddr*)sockaddr, len); if (fd2 < 0) { - switch (errno) { - case EAGAIN: + int e = errno; + switch (e) { + case EAGAIN: #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN - case EWOULDBLOCK: + case EWOULDBLOCK: #endif - case ECONNABORTED: + case ECONNABORTED: #if defined EPROTO - case EPROTO: + case EPROTO: #endif - rb_mod_sys_fail(rb_mWaitReadable, "accept(2) would block"); - } - rb_sys_fail("accept(2)"); + if (ex == Qfalse) + return sym_wait_readable; + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, e, "accept(2) would block"); + } + rb_syserr_fail(e, "accept(2)"); } - make_fd_nonblock(fd2); + rb_update_max_fd(fd2); return rsock_init_sock(rb_obj_alloc(klass), fd2); } @@ -499,71 +704,140 @@ static VALUE accept_blocking(void *data) { struct accept_arg *arg = data; - return (VALUE)accept(arg->fd, arg->sockaddr, arg->len); + return (VALUE)cloexec_accept(arg->fd, arg->sockaddr, arg->len); } VALUE -rsock_s_accept(VALUE klass, int fd, struct sockaddr *sockaddr, socklen_t *len) +rsock_s_accept(VALUE klass, VALUE io, struct sockaddr *sockaddr, socklen_t *len) { - int fd2; - int retry = 0; - struct accept_arg arg; + rb_io_t *fptr = NULL; + RB_IO_POINTER(io, fptr); + + struct accept_arg accept_arg = { + .fd = fptr->fd, + .sockaddr = sockaddr, + .len = len + }; + + int retry = 0, peer; - rb_secure(3); - arg.fd = fd; - arg.sockaddr = sockaddr; - arg.len = len; retry: - rb_thread_wait_fd(fd); - fd2 = BLOCKING_REGION(accept_blocking, &arg); - if (fd2 < 0) { - switch (errno) { - case EMFILE: - case ENFILE: - if (retry) break; - rb_gc(); - retry = 1; - goto retry; - default: - if (!rb_io_wait_readable(fd)) break; - retry = 0; - goto retry; - } - rb_sys_fail(0); +#ifdef RSOCK_WAIT_BEFORE_BLOCKING + rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_READABLE), Qnil); +#endif + peer = (int)rb_io_blocking_region(fptr, accept_blocking, &accept_arg); + if (peer < 0) { + int error = errno; + + switch (error) { + case EMFILE: + case ENFILE: + case ENOMEM: + if (retry) break; + rb_gc(); + retry = 1; + goto retry; + default: + if (!rb_io_maybe_wait_readable(error, io, RUBY_IO_TIMEOUT_DEFAULT)) break; + retry = 0; + goto retry; + } + + rb_syserr_fail(error, "accept(2)"); } - if (!klass) return INT2NUM(fd2); - return rsock_init_sock(rb_obj_alloc(klass), fd2); + + rb_update_max_fd(peer); + + if (!klass) return INT2NUM(peer); + + return rsock_init_sock(rb_obj_alloc(klass), peer); } int -rsock_getfamily(int sockfd) +rsock_getfamily(rb_io_t *fptr) { - struct sockaddr_storage ss; - socklen_t sslen = sizeof(ss); + union_sockaddr ss; + socklen_t sslen = (socklen_t)sizeof(ss); + int cached = fptr->mode & FMODE_SOCK; + + if (cached) { + switch (cached) { +#ifdef AF_UNIX + case FMODE_UNIX: return AF_UNIX; +#endif + case FMODE_INET: return AF_INET; + case FMODE_INET6: return AF_INET6; + } + } - ss.ss_family = AF_UNSPEC; - if (getsockname(sockfd, (struct sockaddr*)&ss, &sslen) < 0) + ss.addr.sa_family = AF_UNSPEC; + if (getsockname(fptr->fd, &ss.addr, &sslen) < 0) return AF_UNSPEC; - return ss.ss_family; + switch (ss.addr.sa_family) { +#ifdef AF_UNIX + case AF_UNIX: fptr->mode |= FMODE_UNIX; break; +#endif + case AF_INET: fptr->mode |= FMODE_INET; break; + case AF_INET6: fptr->mode |= FMODE_INET6; break; + } + + return ss.addr.sa_family; } /* - * SocketError is the error class for socket. + * call-seq: + * error_code -> integer + * + * Returns the raw error code indicating the cause of the hostname resolution failure. + * + * begin + * Addrinfo.getaddrinfo("ruby-lang.org", nil) + * rescue Socket::ResolutionError => e + * if e.error_code == Socket::EAI_AGAIN + * puts "Temporary failure in name resolution." + * end + * end + * + * Note that error codes depend on the operating system. */ +static VALUE +sock_resolv_error_code(VALUE self) +{ + return rb_attr_get(self, id_error_code); +} + void -Init_socket_init() +rsock_init_socket_init(void) { + /* + * SocketError is the error class for socket. + */ rb_eSocket = rb_define_class("SocketError", rb_eStandardError); - Init_ipsocket(); - Init_tcpsocket(); - Init_tcpserver(); - Init_sockssocket(); - Init_udpsocket(); - Init_unixsocket(); - Init_unixserver(); - Init_sockopt(); - Init_ancdata(); - Init_addrinfo(); - Init_socket_constants(); + /* + * Socket::ResolutionError is the error class for hostname resolution. + */ + rb_eResolution = rb_define_class_under(rb_cSocket, "ResolutionError", rb_eSocket); + rb_define_method(rb_eResolution, "error_code", sock_resolv_error_code, 0); + rsock_init_ipsocket(); + rsock_init_tcpsocket(); + rsock_init_tcpserver(); + rsock_init_sockssocket(); + rsock_init_udpsocket(); + rsock_init_unixsocket(); + rsock_init_unixserver(); + rsock_init_sockopt(); + rsock_init_ancdata(); + rsock_init_addrinfo(); + rsock_init_sockifaddr(); + rsock_init_socket_constants(); + + id_error_code = rb_intern_const("error_code"); + +#undef rb_intern + sym_wait_readable = ID2SYM(rb_intern("wait_readable")); + +#if MSG_DONTWAIT_RELIABLE + sym_wait_writable = ID2SYM(rb_intern("wait_writable")); +#endif } diff --git a/ext/socket/ipsocket.c b/ext/socket/ipsocket.c index e87f9edc00..931a1a629c 100644 --- a/ext/socket/ipsocket.c +++ b/ext/socket/ipsocket.c @@ -9,114 +9,222 @@ ************************************************/ #include "rubysocket.h" +#include <stdio.h> struct inetsock_arg { - VALUE sock; + VALUE self; + VALUE io; + struct { - VALUE host, serv; - struct addrinfo *res; + VALUE host, serv; + struct rb_addrinfo *res; } remote, local; int type; - int fd; + VALUE resolv_timeout; + VALUE connect_timeout; + VALUE open_timeout; }; +void +rsock_raise_user_specified_timeout(struct addrinfo *ai, VALUE host, VALUE port) +{ + VALUE message; + + if (ai && ai->ai_addr) { + VALUE rai = rsock_addrinfo_new((struct sockaddr *)ai->ai_addr, (socklen_t)ai->ai_addrlen, PF_UNSPEC, 0, 0, Qnil, Qnil); + VALUE addr_str = rsock_addrinfo_inspect_sockaddr(rai); + message = rb_sprintf("user specified timeout for %" PRIsVALUE, addr_str); + } else { + message = rb_sprintf("user specified timeout for %" PRIsVALUE " port %" PRIsVALUE, host, port); + } + + rb_raise(rb_eIOTimeoutError, "%" PRIsVALUE, message); +} + static VALUE -inetsock_cleanup(struct inetsock_arg *arg) +inetsock_cleanup(VALUE v) { + struct inetsock_arg *arg = (void *)v; if (arg->remote.res) { - freeaddrinfo(arg->remote.res); - arg->remote.res = 0; + rb_freeaddrinfo(arg->remote.res); + arg->remote.res = 0; } if (arg->local.res) { - freeaddrinfo(arg->local.res); - arg->local.res = 0; + rb_freeaddrinfo(arg->local.res); + arg->local.res = 0; } - if (arg->fd >= 0) { - close(arg->fd); + if (arg->io != Qnil) { + rb_io_close(arg->io); + arg->io = Qnil; } return Qnil; } static VALUE -init_inetsock_internal(struct inetsock_arg *arg) +current_clocktime(void) { + VALUE clock_monotnic_const = rb_const_get(rb_mProcess, rb_intern("CLOCK_MONOTONIC")); + return rb_funcall(rb_mProcess, rb_intern("clock_gettime"), 1, clock_monotnic_const); +} + +static VALUE +init_inetsock_internal(VALUE v) +{ + struct inetsock_arg *arg = (void *)v; + int error = 0; int type = arg->type; - struct addrinfo *res; - int fd, status = 0; + struct addrinfo *res, *lres; + int status = 0, local = 0; + int family = AF_UNSPEC; const char *syscall = 0; + VALUE resolv_timeout = arg->resolv_timeout; + VALUE connect_timeout = arg->connect_timeout; + VALUE open_timeout = arg->open_timeout; + VALUE timeout; + VALUE starts_at; + + timeout = NIL_P(open_timeout) ? resolv_timeout : open_timeout; + starts_at = current_clocktime(); + + arg->remote.res = rsock_addrinfo(arg->remote.host, arg->remote.serv, + family, SOCK_STREAM, + (type == INET_SERVER) ? AI_PASSIVE : 0, timeout); - arg->remote.res = rsock_addrinfo(arg->remote.host, arg->remote.serv, SOCK_STREAM, - (type == INET_SERVER) ? AI_PASSIVE : 0); /* * Maybe also accept a local address */ if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) { - arg->local.res = rsock_addrinfo(arg->local.host, arg->local.serv, SOCK_STREAM, 0); + arg->local.res = rsock_addrinfo(arg->local.host, arg->local.serv, + family, SOCK_STREAM, 0, timeout); } - arg->fd = fd = -1; - for (res = arg->remote.res; res; res = res->ai_next) { + VALUE io = Qnil; + + for (res = arg->remote.res->ai; res; res = res->ai_next) { #if !defined(INET6) && defined(AF_INET6) - if (res->ai_family == AF_INET6) - continue; + if (res->ai_family == AF_INET6) + continue; +#endif + lres = NULL; + if (arg->local.res) { + for (lres = arg->local.res->ai; lres; lres = lres->ai_next) { + if (lres->ai_family == res->ai_family) + break; + } + if (!lres) { + if (res->ai_next || status < 0) + continue; + /* Use a different family local address if no choice, this + * will cause EAFNOSUPPORT. */ + lres = arg->local.res->ai; + } + } + status = rsock_socket(res->ai_family,res->ai_socktype,res->ai_protocol); + syscall = "socket(2)"; + if (status < 0) { + error = errno; + continue; + } + + int fd = status; + io = arg->io = rsock_init_sock(arg->self, fd); + + if (type == INET_SERVER) { +#if !defined(_WIN32) && !defined(__CYGWIN__) + status = 1; + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, + (char*)&status, (socklen_t)sizeof(status)); #endif - status = rsock_socket(res->ai_family,res->ai_socktype,res->ai_protocol); - syscall = "socket(2)"; - fd = status; - if (fd < 0) { - continue; - } - arg->fd = fd; - if (type == INET_SERVER) { + status = bind(fd, res->ai_addr, res->ai_addrlen); + syscall = "bind(2)"; + } + else { + if (lres) { #if !defined(_WIN32) && !defined(__CYGWIN__) - status = 1; - setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, - (char*)&status, sizeof(status)); + status = 1; + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, + (char*)&status, (socklen_t)sizeof(status)); #endif - status = bind(fd, res->ai_addr, res->ai_addrlen); - syscall = "bind(2)"; - } - else { - if (arg->local.res) { - status = bind(fd, arg->local.res->ai_addr, arg->local.res->ai_addrlen); - syscall = "bind(2)"; - } - - if (status >= 0) { - status = rsock_connect(fd, res->ai_addr, res->ai_addrlen, - (type == INET_SOCKS)); - syscall = "connect(2)"; - } - } - - if (status < 0) { - close(fd); - arg->fd = fd = -1; - continue; - } else - break; + status = bind(fd, lres->ai_addr, lres->ai_addrlen); + local = status; + syscall = "bind(2)"; + } + + if (NIL_P(open_timeout)) { + timeout = connect_timeout; + } else { + VALUE elapsed = rb_funcall(current_clocktime(), '-', 1, starts_at); + timeout = rb_funcall(open_timeout, '-', 1, elapsed); + if (rb_funcall(timeout, '<', 1, INT2FIX(0)) == Qtrue) { + rsock_raise_user_specified_timeout(res, arg->remote.host, arg->remote.serv); + } + } + + if (status >= 0) { + status = rsock_connect(io, res->ai_addr, res->ai_addrlen, (type == INET_SOCKS), timeout); + syscall = "connect(2)"; + } + } + + if (status < 0) { + error = errno; + arg->io = Qnil; + rb_io_close(io); + io = Qnil; + continue; + } else { + break; + } } + if (status < 0) { - rb_sys_fail(syscall); + VALUE host, port; + + if (local < 0) { + host = arg->local.host; + port = arg->local.serv; + } else { + host = arg->remote.host; + port = arg->remote.serv; + } + + rsock_syserr_fail_host_port(error, syscall, host, port); } - arg->fd = -1; + // Don't close the socket in `inetsock_cleanup` if we are returning it: + arg->io = Qnil; - if (type == INET_SERVER) - listen(fd, 5); + if (type == INET_SERVER && io != Qnil) { + status = listen(rb_io_descriptor(io), SOMAXCONN); + if (status < 0) { + error = errno; + rb_io_close(io); + rb_syserr_fail(error, "listen(2)"); + } + } /* create new instance */ - return rsock_init_sock(arg->sock, fd); + return io; } +#if FAST_FALLBACK_INIT_INETSOCK_IMPL == 0 + VALUE -rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, - VALUE local_host, VALUE local_serv, int type) +rsock_init_inetsock( + VALUE self, VALUE remote_host, VALUE remote_serv, + VALUE local_host, VALUE local_serv, int type, + VALUE resolv_timeout, VALUE connect_timeout, VALUE open_timeout, + VALUE _fast_fallback, VALUE _test_mode_settings) { + if (!NIL_P(open_timeout) && (!NIL_P(resolv_timeout) || !NIL_P(connect_timeout))) { + rb_raise(rb_eArgError, "Cannot specify open_timeout along with connect_timeout or resolv_timeout"); + } + struct inetsock_arg arg; - arg.sock = sock; + arg.self = self; + arg.io = Qnil; arg.remote.host = remote_host; arg.remote.serv = remote_serv; arg.remote.res = 0; @@ -124,66 +232,1338 @@ rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, arg.local.serv = local_serv; arg.local.res = 0; arg.type = type; - arg.fd = -1; + arg.resolv_timeout = resolv_timeout; + arg.connect_timeout = connect_timeout; + arg.open_timeout = open_timeout; return rb_ensure(init_inetsock_internal, (VALUE)&arg, - inetsock_cleanup, (VALUE)&arg); + inetsock_cleanup, (VALUE)&arg); +} + +#elif FAST_FALLBACK_INIT_INETSOCK_IMPL == 1 + +#define IPV6_ENTRY_POS 0 +#define IPV4_ENTRY_POS 1 +#define RESOLUTION_ERROR 0 +#define SYSCALL_ERROR 1 + +static int +is_specified_ip_address(const char *hostname) +{ + if (!hostname) return false; + + struct in_addr ipv4addr; + struct in6_addr ipv6addr; + + return (inet_pton(AF_INET6, hostname, &ipv6addr) == 1 || + inet_pton(AF_INET, hostname, &ipv4addr) == 1); +} + +static int +is_local_port_fixed(const char *portp) +{ + if (!portp) return 0; + + char *endp; + errno = 0; + long port = strtol(portp, &endp, 10); + + if (endp == portp) return 0; + if (errno == ERANGE) return 0; + + return port > 0; +} + +struct fast_fallback_inetsock_arg +{ + VALUE self; + VALUE io; + + struct { + VALUE host, serv; + struct rb_addrinfo *res; + } remote, local; + int type; + VALUE resolv_timeout; + VALUE connect_timeout; + VALUE open_timeout; + + const char *hostp, *portp; + int *families; + int family_size; + int additional_flags; + struct fast_fallback_getaddrinfo_entry *getaddrinfo_entries[2]; + struct fast_fallback_getaddrinfo_shared *getaddrinfo_shared; + rb_fdset_t readfds, writefds; + int wait; + int connection_attempt_fds_size; + int *connection_attempt_fds; + VALUE test_mode_settings; +}; + +static struct fast_fallback_getaddrinfo_shared * +allocate_fast_fallback_getaddrinfo_shared(int family_size) +{ + struct fast_fallback_getaddrinfo_shared *shared; + + shared = (struct fast_fallback_getaddrinfo_shared *)calloc( + 1, + sizeof(struct fast_fallback_getaddrinfo_shared) + (family_size == 1 ? 0 : 2) * sizeof(struct fast_fallback_getaddrinfo_entry) + ); + + return shared; +} + +static void +allocate_fast_fallback_getaddrinfo_hints(struct addrinfo *hints, int family, int remote_addrinfo_hints, int additional_flags) +{ + MEMZERO(hints, struct addrinfo, 1); + hints->ai_family = family; + hints->ai_socktype = SOCK_STREAM; + hints->ai_protocol = IPPROTO_TCP; + hints->ai_flags = remote_addrinfo_hints; + hints->ai_flags |= additional_flags; +} + +static int* +allocate_connection_attempt_fds(int additional_capacity) +{ + int *fds = (int *)malloc(additional_capacity * sizeof(int)); + if (!fds) rb_syserr_fail(errno, "malloc(3)"); + for (int i = 0; i < additional_capacity; i++) fds[i] = -1; + return fds; +} + +static int +reallocate_connection_attempt_fds(int **fds, int current_capacity, int additional_capacity) +{ + int new_capacity = current_capacity + additional_capacity; + int *new_fds; + + new_fds = realloc(*fds, new_capacity * sizeof(int)); + if (new_fds == NULL) { + rb_syserr_fail(errno, "realloc(3)"); + } + *fds = new_fds; + + for (int i = current_capacity; i < new_capacity; i++) (*fds)[i] = -1; + return new_capacity; +} + +struct hostname_resolution_result +{ + struct addrinfo *ai; + int finished; + int has_error; +}; + +struct hostname_resolution_store +{ + struct hostname_resolution_result v6; + struct hostname_resolution_result v4; + int is_all_finished; +}; + +static int +any_addrinfos(struct hostname_resolution_store *resolution_store) +{ + return resolution_store->v6.ai || resolution_store->v4.ai; +} + +static struct timespec +current_clocktime_ts(void) +{ + struct timespec ts; + if ((clock_gettime(CLOCK_MONOTONIC, &ts)) < 0) { + rb_syserr_fail(errno, "clock_gettime(2)"); + } + return ts; +} + +static void +set_timeout_tv(struct timeval *tv, long ms, struct timespec from) +{ + long sec = ms / 1000; + long nsec = (ms % 1000) * 1000000; + long result_sec = from.tv_sec + sec; + long result_nsec = from.tv_nsec + nsec; + + result_sec += result_nsec / 1000000000; + result_nsec = result_nsec % 1000000000; + + tv->tv_sec = result_sec; + tv->tv_usec = (int)(result_nsec / 1000); +} + +static struct timeval +add_ts_to_tv(struct timeval tv, struct timespec ts) +{ + long ts_usec = ts.tv_nsec / 1000; + tv.tv_sec += ts.tv_sec; + tv.tv_usec += ts_usec; + + if (tv.tv_usec >= 1000000) { + tv.tv_sec += tv.tv_usec / 1000000; + tv.tv_usec = tv.tv_usec % 1000000; + } + + return tv; +} + +static VALUE +tv_to_seconds(struct timeval *timeout) { + if (timeout == NULL) return Qnil; + + double seconds = (double)timeout->tv_sec + (double)timeout->tv_usec / 1000000.0; + + return DBL2NUM(seconds); +} + +static int +is_infinity(struct timeval tv) +{ + // { -1, -1 } as infinity + return tv.tv_sec == -1 || tv.tv_usec == -1; +} + +static int +is_timeout_tv(struct timeval *timeout_tv, struct timespec now) { + if (!timeout_tv) return false; + if (timeout_tv->tv_sec == -1 && timeout_tv->tv_usec == -1) return false; + + struct timespec ts; + ts.tv_sec = timeout_tv->tv_sec; + ts.tv_nsec = timeout_tv->tv_usec * 1000; + + if (now.tv_sec > ts.tv_sec) return true; + if (now.tv_sec == ts.tv_sec && now.tv_nsec >= ts.tv_nsec) return true; + return false; +} + +static struct timeval * +select_expires_at( + struct hostname_resolution_store *resolution_store, + struct timeval *resolution_delay, + struct timeval *connection_attempt_delay, + struct timeval *user_specified_resolv_timeout_at, + struct timeval *user_specified_connect_timeout_at, + struct timeval *user_specified_open_timeout_at) +{ + if (any_addrinfos(resolution_store)) { + struct timeval *delay; + delay = resolution_delay ? resolution_delay : connection_attempt_delay; + + if (user_specified_open_timeout_at && + timercmp(user_specified_open_timeout_at, delay, <)) { + return user_specified_open_timeout_at; + } + return delay; + } + + if (user_specified_open_timeout_at) return user_specified_open_timeout_at; + + struct timeval *timeout = NULL; + + if (user_specified_resolv_timeout_at) { + if (is_infinity(*user_specified_resolv_timeout_at)) return NULL; + timeout = user_specified_resolv_timeout_at; + } + + if (user_specified_connect_timeout_at) { + if (is_infinity(*user_specified_connect_timeout_at)) return NULL; + if (!timeout || timercmp(user_specified_connect_timeout_at, timeout, >)) { + return user_specified_connect_timeout_at; + } + } + + return timeout; +} + +static struct timeval +tv_to_timeout(struct timeval *ends_at, struct timespec now) +{ + struct timeval delay; + struct timespec expires_at; + expires_at.tv_sec = ends_at->tv_sec; + expires_at.tv_nsec = ends_at->tv_usec * 1000; + + struct timespec diff; + diff.tv_sec = expires_at.tv_sec - now.tv_sec; + + if (expires_at.tv_nsec >= now.tv_nsec) { + diff.tv_nsec = expires_at.tv_nsec - now.tv_nsec; + } else { + diff.tv_sec -= 1; + diff.tv_nsec = (1000000000 + expires_at.tv_nsec) - now.tv_nsec; + } + + delay.tv_sec = diff.tv_sec; + delay.tv_usec = (int)diff.tv_nsec / 1000; + + return delay; +} + +static struct addrinfo * +pick_addrinfo(struct hostname_resolution_store *resolution_store, int last_family) +{ + int priority_on_v6[2] = { AF_INET6, AF_INET }; + int priority_on_v4[2] = { AF_INET, AF_INET6 }; + int *precedences = last_family == AF_INET6 ? priority_on_v4 : priority_on_v6; + struct addrinfo *selected_ai = NULL; + + for (int i = 0; i < 2; i++) { + if (precedences[i] == AF_INET6) { + selected_ai = resolution_store->v6.ai; + if (selected_ai) { + resolution_store->v6.ai = selected_ai->ai_next; + break; + } + } else { + selected_ai = resolution_store->v4.ai; + if (selected_ai) { + resolution_store->v4.ai = selected_ai->ai_next; + break; + } + } + } + return selected_ai; +} + +static void +socket_nonblock_set(int fd) +{ + int flags = fcntl(fd, F_GETFL); + + if (flags < 0) rb_syserr_fail(errno, "fcntl(2)"); + if ((flags & O_NONBLOCK) != 0) return; + + flags |= O_NONBLOCK; + + if (fcntl(fd, F_SETFL, flags) < 0) rb_syserr_fail(errno, "fcntl(2)"); + return; +} + +static int +in_progress_fds(int fds_size) +{ + return fds_size > 0; +} + +static void +remove_connection_attempt_fd(int *fds, int *fds_size, int removing_fd) +{ + int i, j; + + for (i = 0; i < *fds_size; i++) { + if (fds[i] != removing_fd) continue; + + for (j = i; j < *fds_size - 1; j++) { + fds[j] = fds[j + 1]; + } + + (*fds_size)--; + fds[*fds_size] = -1; + break; + } +} + +struct fast_fallback_error +{ + int type; + int ecode; +}; + +static VALUE +init_fast_fallback_inetsock_internal(VALUE v) +{ + struct fast_fallback_inetsock_arg *arg = (void *)v; + VALUE io = arg->io; + VALUE resolv_timeout = arg->resolv_timeout; + VALUE connect_timeout = arg->connect_timeout; + VALUE open_timeout = arg->open_timeout; + VALUE test_mode_settings = arg->test_mode_settings; + struct addrinfo *remote_ai = NULL, *local_ai = NULL; + int connected_fd = -1, status = 0, local_status = 0; + int remote_addrinfo_hints = 0; + struct fast_fallback_error last_error = { 0, 0 }; + const char *syscall = 0; + VALUE host, serv; + + #ifdef HAVE_CONST_AI_ADDRCONFIG + remote_addrinfo_hints |= AI_ADDRCONFIG; + #endif + + pthread_t threads[arg->family_size]; + char resolved_type[2]; + ssize_t resolved_type_size; + int hostname_resolution_waiter = -1, hostname_resolution_notifier = -1; + int pipefd[2]; + + int nfds = 0; + struct timeval *ends_at = NULL; + struct timeval delay = (struct timeval){ -1, -1 }; + struct timeval *delay_p = NULL; + + struct hostname_resolution_store resolution_store; + resolution_store.is_all_finished = false; + resolution_store.v6.ai = NULL; + resolution_store.v6.finished = false; + resolution_store.v6.has_error = false; + resolution_store.v4.ai = NULL; + resolution_store.v4.finished = false; + resolution_store.v4.has_error = false; + + int last_family = 0; + int additional_capacity = 10; + int current_capacity = additional_capacity; + arg->connection_attempt_fds = allocate_connection_attempt_fds(additional_capacity); + arg->connection_attempt_fds_size = 0; + + struct timeval resolution_delay_storage; + struct timeval *resolution_delay_expires_at = NULL; + struct timeval connection_attempt_delay_strage; + struct timeval *connection_attempt_delay_expires_at = NULL; + struct timeval user_specified_resolv_timeout_storage; + struct timeval *user_specified_resolv_timeout_at = NULL; + struct timeval user_specified_connect_timeout_storage; + struct timeval *user_specified_connect_timeout_at = NULL; + struct timeval user_specified_open_timeout_storage; + struct timeval *user_specified_open_timeout_at = NULL; + struct timespec now = current_clocktime_ts(); + VALUE starts_at = current_clocktime(); + + if (!NIL_P(open_timeout)) { + struct timeval open_timeout_tv = rb_time_interval(open_timeout); + user_specified_open_timeout_storage = add_ts_to_tv(open_timeout_tv, now); + user_specified_open_timeout_at = &user_specified_open_timeout_storage; + } + + /* start of hostname resolution */ + if (arg->family_size == 1) { + arg->wait = -1; + arg->getaddrinfo_shared = NULL; + + int family = arg->families[0]; + VALUE t = NIL_P(open_timeout) ? resolv_timeout : open_timeout; + + arg->remote.res = rsock_addrinfo( + arg->remote.host, + arg->remote.serv, + family, + SOCK_STREAM, + 0, + t + ); + + if (family == AF_INET6) { + resolution_store.v6.ai = arg->remote.res->ai; + resolution_store.v6.finished = true; + resolution_store.v4.finished = true; + } else if (family == AF_INET) { + resolution_store.v4.ai = arg->remote.res->ai; + resolution_store.v4.finished = true; + resolution_store.v6.finished = true; + } + resolution_store.is_all_finished = true; + } else { + if (pipe(pipefd) != 0) rb_syserr_fail(errno, "pipe(2)"); + hostname_resolution_waiter = pipefd[0]; + int waiter_flags = fcntl(hostname_resolution_waiter, F_GETFL, 0); + if (waiter_flags < 0) rb_syserr_fail(errno, "fcntl(2)"); + if ((fcntl(hostname_resolution_waiter, F_SETFL, waiter_flags | O_NONBLOCK)) < 0) { + rb_syserr_fail(errno, "fcntl(2)"); + } + arg->wait = hostname_resolution_waiter; + hostname_resolution_notifier = pipefd[1]; + + arg->getaddrinfo_shared = allocate_fast_fallback_getaddrinfo_shared(arg->family_size); + if (!arg->getaddrinfo_shared) rb_syserr_fail(errno, "calloc(3)"); + + rb_nativethread_lock_initialize(&arg->getaddrinfo_shared->lock); + arg->getaddrinfo_shared->notify = hostname_resolution_notifier; + + arg->getaddrinfo_shared->node = arg->hostp ? ruby_strdup(arg->hostp) : NULL; + arg->getaddrinfo_shared->service = arg->portp ? ruby_strdup(arg->portp) : NULL; + arg->getaddrinfo_shared->refcount = arg->family_size + 1; + + for (int i = 0; i < arg->family_size; i++) { + arg->getaddrinfo_entries[i] = &arg->getaddrinfo_shared->getaddrinfo_entries[i]; + arg->getaddrinfo_entries[i]->shared = arg->getaddrinfo_shared; + + struct addrinfo getaddrinfo_hints[arg->family_size]; + + allocate_fast_fallback_getaddrinfo_hints( + &getaddrinfo_hints[i], + arg->families[i], + remote_addrinfo_hints, + arg->additional_flags + ); + + arg->getaddrinfo_entries[i]->hints = getaddrinfo_hints[i]; + arg->getaddrinfo_entries[i]->ai = NULL; + arg->getaddrinfo_entries[i]->family = arg->families[i]; + arg->getaddrinfo_entries[i]->refcount = 2; + arg->getaddrinfo_entries[i]->has_syserr = false; + arg->getaddrinfo_entries[i]->test_sleep_ms = 0; + arg->getaddrinfo_entries[i]->test_ecode = 0; + + /* for testing HEv2 */ + if (!NIL_P(test_mode_settings) && RB_TYPE_P(test_mode_settings, T_HASH)) { + const char *family_sym = arg->families[i] == AF_INET6 ? "ipv6" : "ipv4"; + + VALUE test_delay_setting = rb_hash_aref(test_mode_settings, ID2SYM(rb_intern("delay"))); + if (!NIL_P(test_delay_setting)) { + VALUE rb_test_delay_ms = rb_hash_aref(test_delay_setting, ID2SYM(rb_intern(family_sym))); + long test_delay_ms = NIL_P(rb_test_delay_ms) ? 0 : rb_test_delay_ms; + arg->getaddrinfo_entries[i]->test_sleep_ms = test_delay_ms; + } + + VALUE test_error_setting = rb_hash_aref(test_mode_settings, ID2SYM(rb_intern("error"))); + if (!NIL_P(test_error_setting)) { + VALUE rb_test_ecode = rb_hash_aref(test_error_setting, ID2SYM(rb_intern(family_sym))); + if (!NIL_P(rb_test_ecode)) { + arg->getaddrinfo_entries[i]->test_ecode = NUM2INT(rb_test_ecode); + } + } + } + + if (raddrinfo_pthread_create(&threads[i], fork_safe_do_fast_fallback_getaddrinfo, arg->getaddrinfo_entries[i]) != 0) { + rsock_raise_resolution_error("getaddrinfo(3)", EAI_AGAIN); + } + } + + if (NIL_P(resolv_timeout)) { + user_specified_resolv_timeout_storage = (struct timeval){ -1, -1 }; + } else { + struct timeval resolv_timeout_tv = rb_time_interval(resolv_timeout); + user_specified_resolv_timeout_storage = add_ts_to_tv(resolv_timeout_tv, now); + } + user_specified_resolv_timeout_at = &user_specified_resolv_timeout_storage; + } + + while (true) { + /* start of connection */ + if (any_addrinfos(&resolution_store) && + !resolution_delay_expires_at && + !connection_attempt_delay_expires_at) { + while ((remote_ai = pick_addrinfo(&resolution_store, last_family))) { + int fd = -1; + + #if !defined(INET6) && defined(AF_INET6) + if (remote_ai->ai_family == AF_INET6) { + if (any_addrinfos(&resolution_store)) continue; + if (!in_progress_fds(arg->connection_attempt_fds_size)) break; + if (resolution_store.is_all_finished) break; + + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + #endif + + local_ai = NULL; + + if (arg->local.res) { + for (local_ai = arg->local.res->ai; local_ai; local_ai = local_ai->ai_next) { + if (local_ai->ai_family == remote_ai->ai_family) break; + } + if (!local_ai) { + if (any_addrinfos(&resolution_store)) continue; + if (in_progress_fds(arg->connection_attempt_fds_size)) break; + if (!resolution_store.is_all_finished) break; + + /* Use a different family local address if no choice, this + * will cause EAFNOSUPPORT. */ + rsock_syserr_fail_host_port(EAFNOSUPPORT, syscall, arg->local.host, arg->local.serv); + } + } + + status = rsock_socket(remote_ai->ai_family, remote_ai->ai_socktype, remote_ai->ai_protocol); + syscall = "socket(2)"; + + if (status < 0) { + last_error.type = SYSCALL_ERROR; + last_error.ecode = errno; + + if (any_addrinfos(&resolution_store)) continue; + if (in_progress_fds(arg->connection_attempt_fds_size)) break; + if (!resolution_store.is_all_finished) break; + + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + + fd = status; + + if (local_ai) { + #if !defined(_WIN32) && !defined(__CYGWIN__) + status = 1; + if ((setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&status, (socklen_t)sizeof(status))) < 0) { + rb_syserr_fail(errno, "setsockopt(2)"); + } + #endif + status = bind(fd, local_ai->ai_addr, local_ai->ai_addrlen); + local_status = status; + syscall = "bind(2)"; + + if (status < 0) { + last_error.type = SYSCALL_ERROR; + last_error.ecode = errno; + close(fd); + + if (any_addrinfos(&resolution_store)) continue; + if (in_progress_fds(arg->connection_attempt_fds_size)) break; + if (!resolution_store.is_all_finished) break; + + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + } + + syscall = "connect(2)"; + + if (any_addrinfos(&resolution_store) || + in_progress_fds(arg->connection_attempt_fds_size) || + !resolution_store.is_all_finished) { + socket_nonblock_set(fd); + status = connect(fd, remote_ai->ai_addr, remote_ai->ai_addrlen); + last_family = remote_ai->ai_family; + } else { + VALUE timeout = Qnil; + + if (!NIL_P(open_timeout)) { + VALUE elapsed = rb_funcall(current_clocktime(), '-', 1, starts_at); + timeout = rb_funcall(open_timeout, '-', 1, elapsed); + + if (rb_funcall(timeout, '<', 1, INT2FIX(0)) == Qtrue) { + rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv); + } + } + if (NIL_P(timeout)) { + if (!NIL_P(connect_timeout)) { + user_specified_connect_timeout_storage = rb_time_interval(connect_timeout); + user_specified_connect_timeout_at = &user_specified_connect_timeout_storage; + } + timeout = + (user_specified_connect_timeout_at && is_infinity(*user_specified_connect_timeout_at)) ? + Qnil : tv_to_seconds(user_specified_connect_timeout_at); + } + + io = arg->io = rsock_init_sock(arg->self, fd); + status = rsock_connect(io, remote_ai->ai_addr, remote_ai->ai_addrlen, 0, timeout); + } + + if (status == 0) { + connected_fd = fd; + break; + } + + if (errno == EINPROGRESS) { + if (current_capacity == arg->connection_attempt_fds_size) { + current_capacity = reallocate_connection_attempt_fds( + &arg->connection_attempt_fds, + current_capacity, + additional_capacity + ); + } + arg->connection_attempt_fds[arg->connection_attempt_fds_size] = fd; + (arg->connection_attempt_fds_size)++; + + set_timeout_tv(&connection_attempt_delay_strage, 250, now); + connection_attempt_delay_expires_at = &connection_attempt_delay_strage; + + if (!any_addrinfos(&resolution_store)) { + if (NIL_P(connect_timeout)) { + user_specified_connect_timeout_storage = (struct timeval){ -1, -1 }; + } else { + struct timeval connect_timeout_tv = rb_time_interval(connect_timeout); + user_specified_connect_timeout_storage = add_ts_to_tv(connect_timeout_tv, now); + } + user_specified_connect_timeout_at = &user_specified_connect_timeout_storage; + } + + break; + } + + last_error.type = SYSCALL_ERROR; + last_error.ecode = errno; + + if (NIL_P(io)) { + close(fd); + } else { + rb_io_close(io); + } + + if (any_addrinfos(&resolution_store)) continue; + if (in_progress_fds(arg->connection_attempt_fds_size)) break; + if (!resolution_store.is_all_finished) break; + + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + } + + if (connected_fd >= 0) break; + + ends_at = select_expires_at( + &resolution_store, + resolution_delay_expires_at, + connection_attempt_delay_expires_at, + user_specified_resolv_timeout_at, + user_specified_connect_timeout_at, + user_specified_open_timeout_at + ); + if (ends_at) { + delay = tv_to_timeout(ends_at, now); + delay_p = &delay; + } else { + if (((resolution_store.v6.finished && !resolution_store.v4.finished) || + (resolution_store.v4.finished && !resolution_store.v6.finished)) && + !any_addrinfos(&resolution_store) && + !in_progress_fds(arg->connection_attempt_fds_size)) { + /* A limited timeout is introduced to prevent select(2) from hanging when it is exclusively + * waiting for name resolution and write(2) failure occurs in a child thread. */ + delay.tv_sec = 0; + delay.tv_usec = 50000; + delay_p = &delay; + } else { + delay_p = NULL; + } + } + + nfds = 0; + rb_fd_zero(&arg->writefds); + if (in_progress_fds(arg->connection_attempt_fds_size)) { + int n = 0; + for (int i = 0; i < arg->connection_attempt_fds_size; i++) { + int cfd = arg->connection_attempt_fds[i]; + if (cfd < 0) continue; + if (cfd > n) n = cfd; + rb_fd_set(cfd, &arg->writefds); + } + if (n > 0) n++; + nfds = n; + } + + rb_fd_zero(&arg->readfds); + if (arg->family_size > 1) { + rb_fd_set(hostname_resolution_waiter, &arg->readfds); + + if ((hostname_resolution_waiter + 1) > nfds) { + nfds = hostname_resolution_waiter + 1; + } + } + + status = rb_thread_fd_select(nfds, &arg->readfds, &arg->writefds, NULL, delay_p); + + now = current_clocktime_ts(); + if (is_timeout_tv(resolution_delay_expires_at, now)) { + resolution_delay_expires_at = NULL; + } + if (is_timeout_tv(connection_attempt_delay_expires_at, now)) { + connection_attempt_delay_expires_at = NULL; + } + + if (status < 0 && (errno && errno != EINTR)) rb_syserr_fail(errno, "select(2)"); + + if (status > 0) { + /* check for connection */ + if (in_progress_fds(arg->connection_attempt_fds_size)) { + for (int i = 0; i < arg->connection_attempt_fds_size; i++) { + int fd = arg->connection_attempt_fds[i]; + if (fd < 0 || !rb_fd_isset(fd, &arg->writefds)) continue; + + int err; + socklen_t len = sizeof(err); + + status = getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len); + + if (status < 0) { + last_error.type = SYSCALL_ERROR; + last_error.ecode = errno; + close(fd); + + if (any_addrinfos(&resolution_store)) continue; + if (in_progress_fds(arg->connection_attempt_fds_size)) break; + if (!resolution_store.is_all_finished) break; + + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + + if (err == 0) { /* success */ + remove_connection_attempt_fd( + arg->connection_attempt_fds, + &arg->connection_attempt_fds_size, + fd + ); + connected_fd = fd; + break; + } else { /* fail */ + close(fd); + remove_connection_attempt_fd( + arg->connection_attempt_fds, + &arg->connection_attempt_fds_size, + fd + ); + last_error.type = SYSCALL_ERROR; + last_error.ecode = err; + } + } + + if (connected_fd >= 0) break; + + if (!in_progress_fds(arg->connection_attempt_fds_size)) { + if (!any_addrinfos(&resolution_store) && resolution_store.is_all_finished) { + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + connection_attempt_delay_expires_at = NULL; + user_specified_connect_timeout_at = NULL; + } + } + + /* check for hostname resolution */ + if (!resolution_store.is_all_finished && rb_fd_isset(hostname_resolution_waiter, &arg->readfds)) { + while (true) { + resolved_type_size = read( + hostname_resolution_waiter, + resolved_type, + sizeof(resolved_type) - 1 + ); + + if (resolved_type_size > 0) { + resolved_type[resolved_type_size] = '\0'; + + if (resolved_type[0] == IPV6_HOSTNAME_RESOLVED) { + resolution_store.v6.finished = true; + + if (arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err && + arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err != EAI_ADDRFAMILY) { + if (!resolution_store.v4.finished || resolution_store.v4.has_error) { + last_error.type = RESOLUTION_ERROR; + last_error.ecode = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err; + syscall = "getaddrinfo(3)"; + } + resolution_store.v6.has_error = true; + } else { + resolution_store.v6.ai = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->ai; + } + if (resolution_store.v4.finished) { + resolution_store.is_all_finished = true; + resolution_delay_expires_at = NULL; + user_specified_resolv_timeout_at = NULL; + break; + } + } else if (resolved_type[0] == IPV4_HOSTNAME_RESOLVED) { + resolution_store.v4.finished = true; + + if (arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err) { + if (!resolution_store.v6.finished || resolution_store.v6.has_error) { + last_error.type = RESOLUTION_ERROR; + last_error.ecode = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err; + syscall = "getaddrinfo(3)"; + } + resolution_store.v4.has_error = true; + } else { + resolution_store.v4.ai = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->ai; + } + + if (resolution_store.v6.finished) { + resolution_store.is_all_finished = true; + resolution_delay_expires_at = NULL; + user_specified_resolv_timeout_at = NULL; + break; + } + } else { + /* Retry to read from hostname_resolution_waiter */ + } + } else if (resolved_type_size < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)) { + errno = 0; + break; + } else { + /* Retry to read from hostname_resolution_waiter */ + } + + if (!resolution_store.v6.finished && + resolution_store.v4.finished && + !resolution_store.v4.has_error) { + set_timeout_tv(&resolution_delay_storage, 50, now); + resolution_delay_expires_at = &resolution_delay_storage; + } + } + } + + status = 0; + } + + /* For cases where write(2) fails in child threads */ + if (!resolution_store.is_all_finished) { + if (!resolution_store.v6.finished && arg->getaddrinfo_entries[IPV6_ENTRY_POS]->has_syserr) { + resolution_store.v6.finished = true; + + if (arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err) { + if (!resolution_store.v4.finished || resolution_store.v4.has_error) { + last_error.type = RESOLUTION_ERROR; + last_error.ecode = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err; + syscall = "getaddrinfo(3)"; + } + resolution_store.v6.has_error = true; + } else { + resolution_store.v6.ai = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->ai; + } + + if (resolution_store.v4.finished) { + resolution_store.is_all_finished = true; + resolution_delay_expires_at = NULL; + user_specified_resolv_timeout_at = NULL; + } + } + if (!resolution_store.v4.finished && arg->getaddrinfo_entries[IPV4_ENTRY_POS]->has_syserr) { + resolution_store.v4.finished = true; + + if (arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err) { + if (!resolution_store.v6.finished || resolution_store.v6.has_error) { + last_error.type = RESOLUTION_ERROR; + last_error.ecode = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err; + syscall = "getaddrinfo(3)"; + } + resolution_store.v4.has_error = true; + } else { + resolution_store.v4.ai = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->ai; + } + + if (resolution_store.v6.finished) { + resolution_store.is_all_finished = true; + resolution_delay_expires_at = NULL; + user_specified_resolv_timeout_at = NULL; + } else { + set_timeout_tv(&resolution_delay_storage, 50, now); + resolution_delay_expires_at = &resolution_delay_storage; + } + } + } + + if (is_timeout_tv(user_specified_open_timeout_at, now)) { + rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv); + } + + if (!any_addrinfos(&resolution_store)) { + if (!in_progress_fds(arg->connection_attempt_fds_size) && + resolution_store.is_all_finished) { + if (local_status < 0) { + host = arg->local.host; + serv = arg->local.serv; + } else { + host = arg->remote.host; + serv = arg->remote.serv; + } + if (last_error.type == RESOLUTION_ERROR) { + rsock_raise_resolution_error(syscall, last_error.ecode); + } else { + rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv); + } + } + + if ((is_timeout_tv(user_specified_resolv_timeout_at, now) || + resolution_store.is_all_finished) && + (is_timeout_tv(user_specified_connect_timeout_at, now) || + !in_progress_fds(arg->connection_attempt_fds_size))) { + rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv); + } + } + } + + if (NIL_P(arg->io)) { + /* create new instance */ + arg->io = rsock_init_sock(arg->self, connected_fd); + } + + return arg->io; +} + +static VALUE +fast_fallback_inetsock_cleanup(VALUE v) +{ + struct fast_fallback_inetsock_arg *arg = (void *)v; + struct fast_fallback_getaddrinfo_shared *getaddrinfo_shared = arg->getaddrinfo_shared; + + if (arg->remote.res) { + rb_freeaddrinfo(arg->remote.res); + arg->remote.res = 0; + } + if (arg->local.res) { + rb_freeaddrinfo(arg->local.res); + arg->local.res = 0; + } + + if (arg->wait != -1) close(arg->wait); + + if (getaddrinfo_shared) { + if (getaddrinfo_shared->notify != -1) close(getaddrinfo_shared->notify); + getaddrinfo_shared->notify = -1; + + int shared_need_free = 0; + struct addrinfo *ais[arg->family_size]; + for (int i = 0; i < arg->family_size; i++) ais[i] = NULL; + + rb_nativethread_lock_lock(&getaddrinfo_shared->lock); + { + for (int i = 0; i < arg->family_size; i++) { + struct fast_fallback_getaddrinfo_entry *getaddrinfo_entry = arg->getaddrinfo_entries[i]; + + if (!getaddrinfo_entry) continue; + + if (--(getaddrinfo_entry->refcount) == 0) { + ais[i] = getaddrinfo_entry->ai; + getaddrinfo_entry->ai = NULL; + } + } + if (--(getaddrinfo_shared->refcount) == 0) { + shared_need_free = 1; + } + } + rb_nativethread_lock_unlock(&getaddrinfo_shared->lock); + + for (int i = 0; i < arg->family_size; i++) { + if (ais[i]) freeaddrinfo(ais[i]); + } + if (getaddrinfo_shared && shared_need_free) { + free_fast_fallback_getaddrinfo_shared(&getaddrinfo_shared); + } + } + + int connection_attempt_fd; + + for (int i = 0; i < arg->connection_attempt_fds_size; i++) { + connection_attempt_fd = arg->connection_attempt_fds[i]; + + if (connection_attempt_fd >= 0) { + int error = 0; + socklen_t len = sizeof(error); + getsockopt(connection_attempt_fd, SOL_SOCKET, SO_ERROR, &error, &len); + if (error == 0) shutdown(connection_attempt_fd, SHUT_RDWR); + close(connection_attempt_fd); + } + } + + if (arg->readfds.fdset) rb_fd_term(&arg->readfds); + if (arg->writefds.fdset) rb_fd_term(&arg->writefds); + + if (arg->connection_attempt_fds) { + free(arg->connection_attempt_fds); + arg->connection_attempt_fds = NULL; + } + + return Qnil; +} + +VALUE +rsock_init_inetsock( + VALUE self, VALUE remote_host, VALUE remote_serv, + VALUE local_host, VALUE local_serv, int type, + VALUE resolv_timeout, VALUE connect_timeout, VALUE open_timeout, + VALUE fast_fallback, VALUE test_mode_settings) +{ + if (!NIL_P(open_timeout) && (!NIL_P(resolv_timeout) || !NIL_P(connect_timeout))) { + rb_raise(rb_eArgError, "Cannot specify open_timeout along with connect_timeout or resolv_timeout"); + } + + if (type == INET_CLIENT && FAST_FALLBACK_INIT_INETSOCK_IMPL == 1 && RTEST(fast_fallback)) { + struct rb_addrinfo *local_res = NULL; + char *hostp, *portp, *local_portp; + char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV], local_pbuf[NI_MAXSERV]; + int additional_flags = 0; + int local_flags = 0; + hostp = raddrinfo_host_str(remote_host, hbuf, sizeof(hbuf), &additional_flags); + portp = raddrinfo_port_str(remote_serv, pbuf, sizeof(pbuf), &additional_flags); + local_portp = raddrinfo_port_str(local_serv, local_pbuf, sizeof(local_pbuf), &local_flags); + + if (!is_specified_ip_address(hostp) && !is_local_port_fixed(local_portp)) { + int target_families[2] = { 0, 0 }; + int resolving_family_size = 0; + + /* + * Maybe also accept a local address + */ + if (!NIL_P(local_host) || !NIL_P(local_serv)) { + VALUE t = NIL_P(open_timeout) ? resolv_timeout : open_timeout; + local_res = rsock_addrinfo( + local_host, + local_serv, + AF_UNSPEC, + SOCK_STREAM, + 0, + t + ); + + struct addrinfo *tmp_p = local_res->ai; + for (; tmp_p != NULL; tmp_p = tmp_p->ai_next) { + if (target_families[0] == 0 && tmp_p->ai_family == AF_INET6) { + target_families[0] = AF_INET6; + resolving_family_size++; + } + if (target_families[1] == 0 && tmp_p->ai_family == AF_INET) { + target_families[1] = AF_INET; + resolving_family_size++; + } + } + } else { + resolving_family_size = 2; + target_families[0] = AF_INET6; + target_families[1] = AF_INET; + } + + struct fast_fallback_inetsock_arg fast_fallback_arg; + memset(&fast_fallback_arg, 0, sizeof(fast_fallback_arg)); + + fast_fallback_arg.self = self; + fast_fallback_arg.io = Qnil; + fast_fallback_arg.remote.host = remote_host; + fast_fallback_arg.remote.serv = remote_serv; + fast_fallback_arg.remote.res = 0; + fast_fallback_arg.local.host = local_host; + fast_fallback_arg.local.serv = local_serv; + fast_fallback_arg.local.res = local_res; + fast_fallback_arg.type = type; + fast_fallback_arg.resolv_timeout = resolv_timeout; + fast_fallback_arg.connect_timeout = connect_timeout; + fast_fallback_arg.open_timeout = open_timeout; + fast_fallback_arg.hostp = hostp; + fast_fallback_arg.portp = portp; + fast_fallback_arg.additional_flags = additional_flags; + + int resolving_families[resolving_family_size]; + int resolving_family_index = 0; + for (int i = 0; 2 > i; i++) { + if (target_families[i] != 0) { + resolving_families[resolving_family_index] = target_families[i]; + resolving_family_index++; + } + } + fast_fallback_arg.families = resolving_families; + fast_fallback_arg.family_size = resolving_family_size; + fast_fallback_arg.test_mode_settings = test_mode_settings; + + rb_fd_init(&fast_fallback_arg.readfds); + rb_fd_init(&fast_fallback_arg.writefds); + + return rb_ensure(init_fast_fallback_inetsock_internal, (VALUE)&fast_fallback_arg, + fast_fallback_inetsock_cleanup, (VALUE)&fast_fallback_arg); + } + } + + struct inetsock_arg arg; + arg.self = self; + arg.io = Qnil; + arg.remote.host = remote_host; + arg.remote.serv = remote_serv; + arg.remote.res = 0; + arg.local.host = local_host; + arg.local.serv = local_serv; + arg.local.res = 0; + arg.type = type; + arg.resolv_timeout = resolv_timeout; + arg.connect_timeout = connect_timeout; + arg.open_timeout = open_timeout; + + return rb_ensure(init_inetsock_internal, (VALUE)&arg, + inetsock_cleanup, (VALUE)&arg); +} + +#endif + +static ID id_numeric, id_hostname; + +int +rsock_revlookup_flag(VALUE revlookup, int *norevlookup) +{ +#define return_norevlookup(x) {*norevlookup = (x); return 1;} + ID id; + + switch (revlookup) { + case Qtrue: return_norevlookup(0); + case Qfalse: return_norevlookup(1); + case Qnil: break; + default: + Check_Type(revlookup, T_SYMBOL); + id = SYM2ID(revlookup); + if (id == id_numeric) return_norevlookup(1); + if (id == id_hostname) return_norevlookup(0); + rb_raise(rb_eArgError, "invalid reverse_lookup flag: :%s", rb_id2name(id)); + } + return 0; +#undef return_norevlookup +} + +/* + * call-seq: + * ipsocket.inspect -> string + * + * Return a string describing this IPSocket object. + */ +static VALUE +ip_inspect(VALUE sock) +{ + VALUE str = rb_call_super(0, 0); + rb_io_t *fptr = RFILE(sock)->fptr; + union_sockaddr addr; + socklen_t len = (socklen_t)sizeof addr; + ID id; + if (fptr && fptr->fd >= 0 && + getsockname(fptr->fd, &addr.addr, &len) >= 0 && + (id = rsock_intern_family(addr.addr.sa_family)) != 0) { + VALUE family = rb_id2str(id); + char hbuf[1024], pbuf[1024]; + long slen = RSTRING_LEN(str); + const char last = (slen > 1 && RSTRING_PTR(str)[slen - 1] == '>') ? + (--slen, '>') : 0; + str = rb_str_subseq(str, 0, slen); + rb_str_cat_cstr(str, ", "); + rb_str_append(str, family); + if (!rb_getnameinfo(&addr.addr, len, hbuf, sizeof(hbuf), + pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV)) { + rb_str_cat_cstr(str, ", "); + rb_str_cat_cstr(str, hbuf); + rb_str_cat_cstr(str, ", "); + rb_str_cat_cstr(str, pbuf); + } + if (last) rb_str_cat(str, &last, 1); + } + return str; } /* * call-seq: - * ipsocket.addr => [address_family, port, hostname, numeric_address] + * ipsocket.addr([reverse_lookup]) => [address_family, port, hostname, numeric_address] * * Returns the local address as an array which contains - * address_family, port, hostname and numeric_address. + * address_family, port, hostname and numeric_address. * + * If +reverse_lookup+ is +true+ or +:hostname+, * hostname is obtained from numeric_address using reverse lookup. - * If ipsocket.do_not_reverse_lookup is true, - * hostname is same as numeric_address. + * Or if it is +false+, or +:numeric+, + * hostname is the same as numeric_address. + * Or if it is +nil+ or omitted, obeys to +ipsocket.do_not_reverse_lookup+. + * See +Socket.getaddrinfo+ also. * * TCPSocket.open("www.ruby-lang.org", 80) {|sock| * p sock.addr #=> ["AF_INET", 49429, "hal", "192.168.0.128"] + * p sock.addr(true) #=> ["AF_INET", 49429, "hal", "192.168.0.128"] + * p sock.addr(false) #=> ["AF_INET", 49429, "192.168.0.128", "192.168.0.128"] + * p sock.addr(:hostname) #=> ["AF_INET", 49429, "hal", "192.168.0.128"] + * p sock.addr(:numeric) #=> ["AF_INET", 49429, "192.168.0.128", "192.168.0.128"] * } * */ static VALUE -ip_addr(VALUE sock) +ip_addr(int argc, VALUE *argv, VALUE sock) { - rb_io_t *fptr; - struct sockaddr_storage addr; - socklen_t len = sizeof addr; + union_sockaddr addr; + socklen_t len = (socklen_t)sizeof addr; + int norevlookup; - GetOpenFile(sock, fptr); - - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getsockname(2)"); - return rsock_ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); + if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup)) + norevlookup = rb_io_mode(sock) & FMODE_NOREVLOOKUP; + if (getsockname(rb_io_descriptor(sock), &addr.addr, &len) < 0) + rb_sys_fail("getsockname(2)"); + return rsock_ipaddr(&addr.addr, len, norevlookup); } /* * call-seq: - * ipsocket.peeraddr => [address_family, port, hostname, numeric_address] + * ipsocket.peeraddr([reverse_lookup]) => [address_family, port, hostname, numeric_address] * * Returns the remote address as an array which contains - * address_family, port, hostname and numeric_address. + * address_family, port, hostname and numeric_address. * It is defined for connection oriented socket such as TCPSocket. * + * If +reverse_lookup+ is +true+ or +:hostname+, + * hostname is obtained from numeric_address using reverse lookup. + * Or if it is +false+, or +:numeric+, + * hostname is the same as numeric_address. + * Or if it is +nil+ or omitted, obeys to +ipsocket.do_not_reverse_lookup+. + * See +Socket.getaddrinfo+ also. + * * TCPSocket.open("www.ruby-lang.org", 80) {|sock| * p sock.peeraddr #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] + * p sock.peeraddr(true) #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] + * p sock.peeraddr(false) #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] + * p sock.peeraddr(:hostname) #=> ["AF_INET", 80, "carbon.ruby-lang.org", "221.186.184.68"] + * p sock.peeraddr(:numeric) #=> ["AF_INET", 80, "221.186.184.68", "221.186.184.68"] * } * */ static VALUE -ip_peeraddr(VALUE sock) +ip_peeraddr(int argc, VALUE *argv, VALUE sock) { - rb_io_t *fptr; - struct sockaddr_storage addr; - socklen_t len = sizeof addr; + union_sockaddr addr; + socklen_t len = (socklen_t)sizeof addr; + int norevlookup; - GetOpenFile(sock, fptr); - - if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getpeername(2)"); - return rsock_ipaddr((struct sockaddr*)&addr, fptr->mode & FMODE_NOREVLOOKUP); + if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup)) + norevlookup = rb_io_mode(sock) & FMODE_NOREVLOOKUP; + if (getpeername(rb_io_descriptor(sock), &addr.addr, &len) < 0) + rb_sys_fail("getpeername(2)"); + return rsock_ipaddr(&addr.addr, len, norevlookup); } /* @@ -198,14 +1578,14 @@ ip_peeraddr(VALUE sock) * * _flags_ should be a bitwise OR of Socket::MSG_* constants. * - * ipaddr is same as IPSocket#{peeraddr,addr}. + * ipaddr is the same as IPSocket#{peeraddr,addr}. * * u1 = UDPSocket.new * u1.bind("127.0.0.1", 4913) * u2 = UDPSocket.new * u2.send "uuuu", 0, "127.0.0.1", 4913 * p u1.recvfrom(10) #=> ["uuuu", ["AF_INET", 33230, "localhost", "127.0.0.1"]] - * + * */ static VALUE ip_recvfrom(int argc, VALUE *argv, VALUE sock) @@ -217,7 +1597,9 @@ ip_recvfrom(int argc, VALUE *argv, VALUE sock) * call-seq: * IPSocket.getaddress(host) => ipaddress * - * Lookups IP address of _host_. + * Lookups the IP address of _host_. + * + * require 'socket' * * IPSocket.getaddress("localhost") #=> "127.0.0.1" * IPSocket.getaddress("ip6-localhost") #=> "::1" @@ -226,27 +1608,33 @@ ip_recvfrom(int argc, VALUE *argv, VALUE sock) static VALUE ip_s_getaddress(VALUE obj, VALUE host) { - struct sockaddr_storage addr; - struct addrinfo *res = rsock_addrinfo(host, Qnil, SOCK_STREAM, 0); + union_sockaddr addr; + struct rb_addrinfo *res = rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, 0, Qnil); + socklen_t len = res->ai->ai_addrlen; /* just take the first one */ - memcpy(&addr, res->ai_addr, res->ai_addrlen); - freeaddrinfo(res); + memcpy(&addr, res->ai->ai_addr, len); + rb_freeaddrinfo(res); - return rsock_make_ipaddr((struct sockaddr*)&addr); + return rsock_make_ipaddr(&addr.addr, len); } -/* - * IPSocket class - */ void -Init_ipsocket(void) +rsock_init_ipsocket(void) { + /* + * Document-class: IPSocket < BasicSocket + * + * IPSocket is the super class of TCPSocket and UDPSocket. + */ rb_cIPSocket = rb_define_class("IPSocket", rb_cBasicSocket); - rb_define_method(rb_cIPSocket, "addr", ip_addr, 0); - rb_define_method(rb_cIPSocket, "peeraddr", ip_peeraddr, 0); + rb_define_method(rb_cIPSocket, "inspect", ip_inspect, 0); + rb_define_method(rb_cIPSocket, "addr", ip_addr, -1); + rb_define_method(rb_cIPSocket, "peeraddr", ip_peeraddr, -1); rb_define_method(rb_cIPSocket, "recvfrom", ip_recvfrom, -1); rb_define_singleton_method(rb_cIPSocket, "getaddress", ip_s_getaddress, 1); rb_undef_method(rb_cIPSocket, "getpeereid"); + id_numeric = rb_intern_const("numeric"); + id_hostname = rb_intern_const("hostname"); } diff --git a/ext/socket/lib/socket.rb b/ext/socket/lib/socket.rb index 5dd5ca651c..465b74964f 100644 --- a/ext/socket/lib/socket.rb +++ b/ext/socket/lib/socket.rb @@ -1,5 +1,12 @@ +# frozen_string_literal: true + require 'socket.so' +unless IO.method_defined?(:wait_writable, false) + # It's only required on older Rubies < v3.2: + require 'io/wait' +end + class Addrinfo # creates an Addrinfo object from the arguments. # @@ -16,6 +23,12 @@ class Addrinfo raise ArgumentError, "no address specified" elsif Addrinfo === args.first raise ArgumentError, "too many arguments" if args.length != 1 + addrinfo = args.first + if (self.pfamily != addrinfo.pfamily) || + (self.socktype != addrinfo.socktype) + raise ArgumentError, "Addrinfo type mismatch" + end + addrinfo elsif self.ip? raise ArgumentError, "IP address needs host and port but #{args.length} arguments given" if args.length != 2 host, port = args @@ -29,76 +42,127 @@ class Addrinfo end end - def connect_internal(local_addrinfo) + # creates a new Socket connected to the address of +local_addrinfo+. + # + # If _local_addrinfo_ is nil, the address of the socket is not bound. + # + # The _timeout_ specify the seconds for timeout. + # Errno::ETIMEDOUT is raised when timeout occur. + # + # If a block is given the created socket is yielded for each address. + # + def connect_internal(local_addrinfo, timeout=nil) # :yields: socket sock = Socket.new(self.pfamily, self.socktype, self.protocol) begin sock.ipv6only! if self.ipv6? sock.bind local_addrinfo if local_addrinfo - sock.connect(self) - if block_given? - yield sock + if timeout + case sock.connect_nonblock(self, exception: false) + when 0 # success or EISCONN, other errors raise + break + when :wait_writable + sock.wait_writable(timeout) or + raise Errno::ETIMEDOUT, "user specified timeout for #{self.ip_address}:#{self.ip_port}" + end while true else - sock + sock.connect(self) end - ensure - sock.close if !sock.closed? && (block_given? || $!) + rescue Exception + sock.close + raise + end + if block_given? + begin + yield sock + ensure + sock.close + end + else + sock end end - private :connect_internal + protected :connect_internal + # :call-seq: + # addrinfo.connect_from([local_addr_args], [opts]) {|socket| ... } + # addrinfo.connect_from([local_addr_args], [opts]) + # # creates a socket connected to the address of self. # # If one or more arguments given as _local_addr_args_, # it is used as the local address of the socket. # _local_addr_args_ is given for family_addrinfo to obtain actual address. # - # If no arguments given, the local address of the socket is not bound. + # If _local_addr_args_ is not given, the local address of the socket is not bound. + # + # The optional last argument _opts_ is options represented by a hash. + # _opts_ may have following options: + # + # [:timeout] specify the timeout in seconds. # # If a block is given, it is called with the socket and the value of the block is returned. # The socket is returned otherwise. # # Addrinfo.tcp("www.ruby-lang.org", 80).connect_from("0.0.0.0", 4649) {|s| - # s.print "GET / HTTP/1.0\r\n\r\n" - # p s.read + # s.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n" + # puts s.read # } # # # Addrinfo object can be taken for the argument. # Addrinfo.tcp("www.ruby-lang.org", 80).connect_from(Addrinfo.tcp("0.0.0.0", 4649)) {|s| - # s.print "GET / HTTP/1.0\r\n\r\n" - # p s.read + # s.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n" + # puts s.read # } # - def connect_from(*local_addr_args, &block) - connect_internal(family_addrinfo(*local_addr_args), &block) + def connect_from(*args, timeout: nil, &block) + connect_internal(family_addrinfo(*args), timeout, &block) end + # :call-seq: + # addrinfo.connect([opts]) {|socket| ... } + # addrinfo.connect([opts]) + # # creates a socket connected to the address of self. # + # The optional argument _opts_ is options represented by a hash. + # _opts_ may have following options: + # + # [:timeout] specify the timeout in seconds. + # # If a block is given, it is called with the socket and the value of the block is returned. # The socket is returned otherwise. # # Addrinfo.tcp("www.ruby-lang.org", 80).connect {|s| - # s.print "GET / HTTP/1.0\r\n\r\n" - # p s.read + # s.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n" + # puts s.read # } # - def connect(&block) - connect_internal(nil, &block) + def connect(timeout: nil, &block) + connect_internal(nil, timeout, &block) end + # :call-seq: + # addrinfo.connect_to([remote_addr_args], [opts]) {|socket| ... } + # addrinfo.connect_to([remote_addr_args], [opts]) + # # creates a socket connected to _remote_addr_args_ and bound to self. # + # The optional last argument _opts_ is options represented by a hash. + # _opts_ may have following options: + # + # [:timeout] specify the timeout in seconds. + # # If a block is given, it is called with the socket and the value of the block is returned. # The socket is returned otherwise. # # Addrinfo.tcp("0.0.0.0", 4649).connect_to("www.ruby-lang.org", 80) {|s| - # s.print "GET / HTTP/1.0\r\n\r\n" - # p s.read + # s.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n" + # puts s.read # } # - def connect_to(*remote_addr_args, &block) - remote_addrinfo = family_addrinfo(*remote_addr_args) - remote_addrinfo.send(:connect_internal, self, &block) + def connect_to(*args, timeout: nil, &block) + remote_addrinfo = family_addrinfo(*args) + remote_addrinfo.connect_internal(self, timeout, &block) end # creates a socket bound to self. @@ -117,31 +181,41 @@ class Addrinfo sock.ipv6only! if self.ipv6? sock.setsockopt(:SOCKET, :REUSEADDR, 1) sock.bind(self) - if block_given? + rescue Exception + sock.close + raise + end + if block_given? + begin yield sock - else - sock + ensure + sock.close end - ensure - sock.close if !sock.closed? && (block_given? || $!) + else + sock end end # creates a listening socket bound to self. - def listen(backlog=5) + def listen(backlog=Socket::SOMAXCONN) sock = Socket.new(self.pfamily, self.socktype, self.protocol) begin sock.ipv6only! if self.ipv6? - sock.setsockopt(:SOCKET, :REUSEADDR, 1) + sock.setsockopt(:SOCKET, :REUSEADDR, 1) unless self.pfamily == Socket::PF_UNIX sock.bind(self) sock.listen(backlog) - if block_given? + rescue Exception + sock.close + raise + end + if block_given? + begin yield sock - else - sock + ensure + sock.close end - ensure - sock.close if !sock.closed? && (block_given? || $!) + else + sock end end @@ -153,12 +227,12 @@ class Addrinfo # # #<Addrinfo: [::1]:80 TCP (:80)> # # #<Addrinfo: [::1]:80 UDP (:80)> # - def self.foreach(nodename, service, family=nil, socktype=nil, protocol=nil, flags=nil, &block) - Addrinfo.getaddrinfo(nodename, service, family, socktype, protocol, flags).each(&block) + def self.foreach(nodename, service, family=nil, socktype=nil, protocol=nil, flags=nil, timeout: nil, &block) + Addrinfo.getaddrinfo(nodename, service, family, socktype, protocol, flags, timeout: timeout).each(&block) end end -class BasicSocket +class BasicSocket < IO # Returns an address of the socket suitable for connect in the local machine. # # This method returns _self_.local_address, except following condition. @@ -192,15 +266,204 @@ class BasicSocket addr = Addrinfo.new(["AF_INET6", addr.ip_port, nil, "::1"], addr.pfamily, addr.socktype, addr.protocol) elsif addr.ip_address == "0.0.0.0" # MacOS X 10.4 returns "a.b.c.d" for IPv4-mapped IPv6 address. addr = Addrinfo.new(["AF_INET6", addr.ip_port, nil, "::1"], addr.pfamily, addr.socktype, addr.protocol) + elsif addr.ip_address == "::ffff:0.0.0.0" # MacOS X 10.6 returns "::ffff:a.b.c.d" for IPv4-mapped IPv6 address. + addr = Addrinfo.new(["AF_INET6", addr.ip_port, nil, "::1"], addr.pfamily, addr.socktype, addr.protocol) end elsif defined?(Socket::AF_UNIX) && afamily == Socket::AF_UNIX raise SocketError, "unbound Unix socket" if addr.unix_path == "" end addr end + + # call-seq: + # basicsocket.sendmsg(mesg, flags=0, dest_sockaddr=nil, *controls) => numbytes_sent + # + # sendmsg sends a message using sendmsg(2) system call in blocking manner. + # + # _mesg_ is a string to send. + # + # _flags_ is bitwise OR of MSG_* constants such as Socket::MSG_OOB. + # + # _dest_sockaddr_ is a destination socket address for connection-less socket. + # It should be a sockaddr such as a result of Socket.sockaddr_in. + # An Addrinfo object can be used too. + # + # _controls_ is a list of ancillary data. + # The element of _controls_ should be Socket::AncillaryData or + # 3-elements array. + # The 3-element array should contains cmsg_level, cmsg_type and data. + # + # The return value, _numbytes_sent_ is an integer which is the number of bytes sent. + # + # sendmsg can be used to implement send_io as follows: + # + # # use Socket::AncillaryData. + # ancdata = Socket::AncillaryData.int(:UNIX, :SOCKET, :RIGHTS, io.fileno) + # sock.sendmsg("a", 0, nil, ancdata) + # + # # use 3-element array. + # ancdata = [:SOCKET, :RIGHTS, [io.fileno].pack("i!")] + # sock.sendmsg("\0", 0, nil, ancdata) + def sendmsg(mesg, flags = 0, dest_sockaddr = nil, *controls) + __sendmsg(mesg, flags, dest_sockaddr, controls) + end + + # call-seq: + # basicsocket.sendmsg_nonblock(mesg, flags=0, dest_sockaddr=nil, *controls, opts={}) => numbytes_sent + # + # sendmsg_nonblock sends a message using sendmsg(2) system call in non-blocking manner. + # + # It is similar to BasicSocket#sendmsg + # but the non-blocking flag is set before the system call + # and it doesn't retry the system call. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that sendmsg_nonblock should not raise an IO::WaitWritable exception, but + # return the symbol +:wait_writable+ instead. + def sendmsg_nonblock(mesg, flags = 0, dest_sockaddr = nil, *controls, + exception: true) + __sendmsg_nonblock(mesg, flags, dest_sockaddr, controls, exception) + end + + # call-seq: + # basicsocket.recv_nonblock(maxlen [, flags [, buf [, options ]]]) => mesg + # + # Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # _flags_ is zero or more of the +MSG_+ options. + # The result, _mesg_, is the data received. + # + # When recvfrom(2) returns 0, Socket#recv_nonblock returns nil. + # In most cases it means the connection was closed, but for UDP connections + # it may mean an empty packet was received, as the underlying API makes + # it impossible to distinguish these two cases. + # + # === Parameters + # * +maxlen+ - the number of bytes to receive from the socket + # * +flags+ - zero or more of the +MSG_+ options + # * +buf+ - destination String buffer + # * +options+ - keyword hash, supporting `exception: false` + # + # === Example + # serv = TCPServer.new("127.0.0.1", 0) + # af, port, host, addr = serv.addr + # c = TCPSocket.new(addr, port) + # s = serv.accept + # c.send "aaa", 0 + # begin # emulate blocking recv. + # p s.recv_nonblock(10) #=> "aaa" + # rescue IO::WaitReadable + # IO.select([s]) + # retry + # end + # + # Refer to Socket#recvfrom for the exceptions that may be thrown if the call + # to _recv_nonblock_ fails. + # + # BasicSocket#recv_nonblock may raise any error corresponding to recvfrom(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK or Errno::EAGAIN, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying recv_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that recv_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * Socket#recvfrom + def recv_nonblock(len, flag = 0, str = nil, exception: true) + __recv_nonblock(len, flag, str, exception) + end + + # call-seq: + # basicsocket.recvmsg(maxmesglen=nil, flags=0, maxcontrollen=nil, opts={}) => [mesg, sender_addrinfo, rflags, *controls] + # + # recvmsg receives a message using recvmsg(2) system call in blocking manner. + # + # _maxmesglen_ is the maximum length of mesg to receive. + # + # _flags_ is bitwise OR of MSG_* constants such as Socket::MSG_PEEK. + # + # _maxcontrollen_ is the maximum length of controls (ancillary data) to receive. + # + # _opts_ is option hash. + # Currently :scm_rights=>bool is the only option. + # + # :scm_rights option specifies that application expects SCM_RIGHTS control message. + # If the value is nil or false, application don't expects SCM_RIGHTS control message. + # In this case, recvmsg closes the passed file descriptors immediately. + # This is the default behavior. + # + # If :scm_rights value is neither nil nor false, application expects SCM_RIGHTS control message. + # In this case, recvmsg creates IO objects for each file descriptors for + # Socket::AncillaryData#unix_rights method. + # + # The return value is 4-elements array. + # + # _mesg_ is a string of the received message. + # + # _sender_addrinfo_ is a sender socket address for connection-less socket. + # It is an Addrinfo object. + # For connection-oriented socket such as TCP, sender_addrinfo is platform dependent. + # + # _rflags_ is a flags on the received message which is bitwise OR of MSG_* constants such as Socket::MSG_TRUNC. + # It will be nil if the system uses 4.3BSD style old recvmsg system call. + # + # _controls_ is ancillary data which is an array of Socket::AncillaryData objects such as: + # + # #<Socket::AncillaryData: AF_UNIX SOCKET RIGHTS 7> + # + # _maxmesglen_ and _maxcontrollen_ can be nil. + # In that case, the buffer will be grown until the message is not truncated. + # Internally, MSG_PEEK is used. + # Buffer full and MSG_CTRUNC are checked for truncation. + # + # recvmsg can be used to implement recv_io as follows: + # + # mesg, sender_sockaddr, rflags, *controls = sock.recvmsg(:scm_rights=>true) + # controls.each {|ancdata| + # if ancdata.cmsg_is?(:SOCKET, :RIGHTS) + # return ancdata.unix_rights[0] + # end + # } + def recvmsg(dlen = nil, flags = 0, clen = nil, scm_rights: false) + __recvmsg(dlen, flags, clen, scm_rights) + end + + # call-seq: + # basicsocket.recvmsg_nonblock(maxdatalen=nil, flags=0, maxcontrollen=nil, opts={}) => [data, sender_addrinfo, rflags, *controls] + # + # recvmsg receives a message using recvmsg(2) system call in non-blocking manner. + # + # It is similar to BasicSocket#recvmsg + # but non-blocking flag is set before the system call + # and it doesn't retry the system call. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that recvmsg_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + def recvmsg_nonblock(dlen = nil, flags = 0, clen = nil, + scm_rights: false, exception: true) + __recvmsg_nonblock(dlen, flags, clen, scm_rights, exception) + end + + # Linux-specific optimizations to avoid fcntl for IO#read_nonblock + # and IO#write_nonblock using MSG_DONTWAIT + # Do other platforms support MSG_DONTWAIT reliably? + if RUBY_PLATFORM =~ /linux/ && Socket.const_defined?(:MSG_DONTWAIT) + def read_nonblock(len, str = nil, exception: true) # :nodoc: + __read_nonblock(len, str, exception) + end + + def write_nonblock(buf, exception: true) # :nodoc: + __write_nonblock(buf, exception) + end + end end -class Socket +class Socket < BasicSocket # enable the socket option IPV6_V6ONLY if IPV6_V6ONLY is available. def ipv6only! if defined? Socket::IPV6_V6ONLY @@ -208,11 +471,183 @@ class Socket end end + # call-seq: + # socket.recvfrom_nonblock(maxlen[, flags[, outbuf[, opts]]]) => [mesg, sender_addrinfo] + # + # Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # _flags_ is zero or more of the +MSG_+ options. + # The first element of the results, _mesg_, is the data received. + # The second element, _sender_addrinfo_, contains protocol-specific address + # information of the sender. + # + # When recvfrom(2) returns 0, Socket#recv_nonblock returns nil. + # In most cases it means the connection was closed, but for UDP connections + # it may mean an empty packet was received, as the underlying API makes + # it impossible to distinguish these two cases. + # + # === Parameters + # * +maxlen+ - the maximum number of bytes to receive from the socket + # * +flags+ - zero or more of the +MSG_+ options + # * +outbuf+ - destination String buffer + # * +opts+ - keyword hash, supporting `exception: false` + # + # === Example + # # In one file, start this first + # require 'socket' + # include Socket::Constants + # socket = Socket.new(AF_INET, SOCK_STREAM, 0) + # sockaddr = Socket.sockaddr_in(2200, 'localhost') + # socket.bind(sockaddr) + # socket.listen(5) + # client, client_addrinfo = socket.accept + # begin # emulate blocking recvfrom + # pair = client.recvfrom_nonblock(20) + # rescue IO::WaitReadable + # IO.select([client]) + # retry + # end + # data = pair[0].chomp + # puts "I only received 20 bytes '#{data}'" + # sleep 1 + # socket.close + # + # # In another file, start this second + # require 'socket' + # include Socket::Constants + # socket = Socket.new(AF_INET, SOCK_STREAM, 0) + # sockaddr = Socket.sockaddr_in(2200, 'localhost') + # socket.connect(sockaddr) + # socket.puts "Watch this get cut short!" + # socket.close + # + # Refer to Socket#recvfrom for the exceptions that may be thrown if the call + # to _recvfrom_nonblock_ fails. + # + # Socket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK or Errno::EAGAIN, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying + # recvfrom_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that recvfrom_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * Socket#recvfrom + def recvfrom_nonblock(len, flag = 0, str = nil, exception: true) + __recvfrom_nonblock(len, flag, str, exception) + end + + # call-seq: + # socket.accept_nonblock([options]) => [client_socket, client_addrinfo] + # + # Accepts an incoming connection using accept(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # It returns an array containing the accepted socket + # for the incoming connection, _client_socket_, + # and an Addrinfo, _client_addrinfo_. + # + # === Example + # # In one script, start this first + # require 'socket' + # include Socket::Constants + # socket = Socket.new(AF_INET, SOCK_STREAM, 0) + # sockaddr = Socket.sockaddr_in(2200, 'localhost') + # socket.bind(sockaddr) + # socket.listen(5) + # begin # emulate blocking accept + # client_socket, client_addrinfo = socket.accept_nonblock + # rescue IO::WaitReadable, Errno::EINTR + # IO.select([socket]) + # retry + # end + # puts "The client said, '#{client_socket.readline.chomp}'" + # client_socket.puts "Hello from script one!" + # socket.close + # + # # In another script, start this second + # require 'socket' + # include Socket::Constants + # socket = Socket.new(AF_INET, SOCK_STREAM, 0) + # sockaddr = Socket.sockaddr_in(2200, 'localhost') + # socket.connect(sockaddr) + # socket.puts "Hello from script 2." + # puts "The server said, '#{socket.readline.chomp}'" + # socket.close + # + # Refer to Socket#accept for the exceptions that may be thrown if the call + # to _accept_nonblock_ fails. + # + # Socket#accept_nonblock may raise any error corresponding to accept(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK, Errno::EAGAIN, Errno::ECONNABORTED or Errno::EPROTO, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that accept_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * Socket#accept + def accept_nonblock(exception: true) + __accept_nonblock(exception) + end + + # :stopdoc: + RESOLUTION_DELAY = 0.05 + private_constant :RESOLUTION_DELAY + + CONNECTION_ATTEMPT_DELAY = 0.25 + private_constant :CONNECTION_ATTEMPT_DELAY + + ADDRESS_FAMILIES = { + ipv6: Socket::AF_INET6, + ipv4: Socket::AF_INET + }.freeze + private_constant :ADDRESS_FAMILIES + + HOSTNAME_RESOLUTION_QUEUE_UPDATED = 0 + private_constant :HOSTNAME_RESOLUTION_QUEUE_UPDATED + + IPV6_ADDRESS_FORMAT = /\A(?i:(?:(?:[0-9A-F]{1,4}:){7}(?:[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){6}(?:[0-9A-F]{1,4}|:(?:[0-9A-F]{1,4}:){1,5}[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){5}(?:(?::[0-9A-F]{1,4}){1,2}|:(?:[0-9A-F]{1,4}:){1,4}[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){4}(?:(?::[0-9A-F]{1,4}){1,3}|:(?:[0-9A-F]{1,4}:){1,3}[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){3}(?:(?::[0-9A-F]{1,4}){1,4}|:(?:[0-9A-F]{1,4}:){1,2}[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){2}(?:(?::[0-9A-F]{1,4}){1,5}|:(?:[0-9A-F]{1,4}:)[0-9A-F]{1,4}|:)|(?:[0-9A-F]{1,4}:){1}(?:(?::[0-9A-F]{1,4}){1,6}|:(?:[0-9A-F]{1,4}:){0,5}[0-9A-F]{1,4}|:)|(?:::(?:[0-9A-F]{1,4}:){0,7}[0-9A-F]{1,4}|::)))(?:%.+)?\z/ + private_constant :IPV6_ADDRESS_FORMAT + # :startdoc: + + # :call-seq: + # Socket.tcp(host, port, local_host=nil, local_port=nil, [opts]) {|socket| ... } + # Socket.tcp(host, port, local_host=nil, local_port=nil, [opts]) + # # creates a new socket object connected to host:port using TCP/IP. # + # Starting from Ruby 3.4, this method operates according to the + # Happy Eyeballs Version 2 ({RFC 8305}[https://datatracker.ietf.org/doc/html/rfc8305]) + # algorithm by default. + # + # For details on Happy Eyeballs Version 2, + # see {Socket.tcp_fast_fallback=}[rdoc-ref:Socket.tcp_fast_fallback=]. + # + # To make it behave the same as in Ruby 3.3 and earlier, + # explicitly specify the option fast_fallback:false. + # Or, setting Socket.tcp_fast_fallback=false will disable + # Happy Eyeballs Version 2 not only for this method but for all Socket globally. + # # If local_host:local_port is given, # the socket is bound to it. # + # The optional last argument _opts_ is options represented by a hash. + # _opts_ may have following options: + # + # [:resolv_timeout] Specifies the timeout in seconds from when the hostname resolution starts. + # [:connect_timeout] This method sequentially attempts connecting to all candidate destination addresses.<br>The +connect_timeout+ specifies the timeout in seconds from the start of the connection attempt to the last candidate.<br>By default, all connection attempts continue until the timeout occurs.<br>When +fast_fallback:false+ is explicitly specified,<br>a timeout is set for each connection attempt and any connection attempt that exceeds its timeout will be canceled. + # [:open_timeout] Specifies the timeout in seconds from the start of the method execution.<br>If this timeout is reached while there are still addresses that have not yet been attempted for connection, no further attempts will be made.<br>If this option is specified together with other timeout options, an +ArgumentError+ will be raised. + # [:fast_fallback] Enables the Happy Eyeballs Version 2 algorithm (enabled by default). + # # If a block is given, the block is called with the socket. # The value of the block is returned. # The socket is closed when this method returns. @@ -220,29 +655,314 @@ class Socket # If no block is given, the socket is returned. # # Socket.tcp("www.ruby-lang.org", 80) {|sock| - # sock.print "GET / HTTP/1.0\r\n\r\n" + # sock.print "GET / HTTP/1.0\r\nHost: www.ruby-lang.org\r\n\r\n" # sock.close_write - # print sock.read + # puts sock.read # } - # - def self.tcp(host, port, local_host=nil, local_port=nil) # :yield: socket + def self.tcp(host, port, local_host = nil, local_port = nil, connect_timeout: nil, resolv_timeout: nil, open_timeout: nil, fast_fallback: tcp_fast_fallback, &) # :yield: socket + if open_timeout && (connect_timeout || resolv_timeout) + raise ArgumentError, "Cannot specify open_timeout along with connect_timeout or resolv_timeout" + end + + sock = if fast_fallback && !(host && ip_address?(host)) && !(local_port && local_port.to_i != 0) + tcp_with_fast_fallback(host, port, local_host, local_port, connect_timeout:, resolv_timeout:, open_timeout:) + else + tcp_without_fast_fallback(host, port, local_host, local_port, connect_timeout:, resolv_timeout:, open_timeout:) + end + + if block_given? + begin + yield sock + ensure + sock.close + end + else + sock + end + end + + # :stopdoc: + def self.tcp_with_fast_fallback(host, port, local_host = nil, local_port = nil, connect_timeout: nil, resolv_timeout: nil, open_timeout: nil) + if local_host || local_port + local_addrinfos = Addrinfo.getaddrinfo(local_host, local_port, nil, :STREAM, timeout: open_timeout || resolv_timeout) + resolving_family_names = local_addrinfos.map { |lai| ADDRESS_FAMILIES.key(lai.afamily) }.uniq + else + local_addrinfos = [] + resolving_family_names = ADDRESS_FAMILIES.keys + end + + hostname_resolution_threads = [] + resolution_store = HostnameResolutionStore.new(resolving_family_names) + connecting_sockets = {} + is_windows_environment ||= (RUBY_PLATFORM =~ /mswin|mingw|cygwin/) + + now = current_clock_time + starts_at = now + resolution_delay_expires_at = nil + connection_attempt_delay_expires_at = nil + user_specified_connect_timeout_at = nil + user_specified_open_timeout_at = open_timeout ? now + open_timeout : nil + last_error = nil + last_error_from_thread = false + + if resolving_family_names.size == 1 + family_name = resolving_family_names.first + addrinfos = Addrinfo.getaddrinfo(host, port, ADDRESS_FAMILIES[:family_name], :STREAM, timeout: open_timeout || resolv_timeout) + resolution_store.add_resolved(family_name, addrinfos) + hostname_resolution_result = nil + hostname_resolution_notifier = nil + user_specified_resolv_timeout_at = nil + else + hostname_resolution_result = HostnameResolutionResult.new(resolving_family_names.size) + hostname_resolution_notifier = hostname_resolution_result.notifier + + hostname_resolution_threads.concat( + resolving_family_names.map { |family| + thread_args = [family, host, port, hostname_resolution_result] + thread = Thread.new(*thread_args) { |*thread_args| resolve_hostname(*thread_args) } + Thread.pass + thread + } + ) + user_specified_resolv_timeout_at = resolv_timeout ? now + resolv_timeout : Float::INFINITY + end + + loop do + if resolution_store.any_addrinfos? && + !resolution_delay_expires_at && + !connection_attempt_delay_expires_at + while (addrinfo = resolution_store.get_addrinfo) + if local_addrinfos.any? + local_addrinfo = local_addrinfos.find { |lai| lai.afamily == addrinfo.afamily } + + if local_addrinfo.nil? + if resolution_store.any_addrinfos? + # Try other Addrinfo in next "while" + next + elsif connecting_sockets.any? || resolution_store.any_unresolved_family? + # Exit this "while" and wait for connections to be established or hostname resolution in next loop + # Or exit this "while" and wait for hostname resolution in next loop + break + else + raise SocketError.new 'no appropriate local address' + end + end + end + + begin + if resolution_store.any_addrinfos? || + connecting_sockets.any? || + resolution_store.any_unresolved_family? + socket = Socket.new(addrinfo.pfamily, addrinfo.socktype, addrinfo.protocol) + socket.bind(local_addrinfo) if local_addrinfo + result = socket.connect_nonblock(addrinfo, exception: false) + else + timeout = + if open_timeout + t = open_timeout - (current_clock_time - starts_at) + t.negative? ? 0 : t + else + connect_timeout + end + result = socket = local_addrinfo ? + addrinfo.connect_from(local_addrinfo, timeout:) : + addrinfo.connect(timeout:) + end + + if result == :wait_writable + connection_attempt_delay_expires_at = now + CONNECTION_ATTEMPT_DELAY + if resolution_store.empty_addrinfos? + user_specified_connect_timeout_at = connect_timeout ? now + connect_timeout : Float::INFINITY + end + + connecting_sockets[socket] = addrinfo + break + else + return socket # connection established + end + rescue SystemCallError => e + socket&.close + last_error = e + + if resolution_store.any_addrinfos? + # Try other Addrinfo in next "while" + next + elsif connecting_sockets.any? || resolution_store.any_unresolved_family? + # Exit this "while" and wait for connections to be established or hostname resolution in next loop + # Or exit this "while" and wait for hostname resolution in next loop + break + else + raise last_error + end + end + end + end + + ends_at = + if resolution_store.any_addrinfos? + [(resolution_delay_expires_at || connection_attempt_delay_expires_at), + user_specified_open_timeout_at].compact.min + elsif user_specified_open_timeout_at + user_specified_open_timeout_at + else + [user_specified_resolv_timeout_at, user_specified_connect_timeout_at].compact.max + end + + hostname_resolved, writable_sockets, except_sockets = IO.select( + hostname_resolution_notifier, + connecting_sockets.keys, + # Use errorfds to wait for non-blocking connect failures on Windows + is_windows_environment ? connecting_sockets.keys : nil, + second_to_timeout(current_clock_time, ends_at), + ) + now = current_clock_time + resolution_delay_expires_at = nil if expired?(now, resolution_delay_expires_at) + connection_attempt_delay_expires_at = nil if expired?(now, connection_attempt_delay_expires_at) + + if writable_sockets&.any? + while (writable_socket = writable_sockets.pop) + is_connected = is_windows_environment || ( + sockopt = writable_socket.getsockopt(Socket::SOL_SOCKET, Socket::SO_ERROR) + sockopt.int.zero? + ) + + if is_connected + connecting_sockets.delete writable_socket + return writable_socket + else + failed_ai = connecting_sockets.delete writable_socket + writable_socket.close + ip_address = failed_ai.ipv6? ? "[#{failed_ai.ip_address}]" : failed_ai.ip_address + last_error = SystemCallError.new("connect(2) for #{ip_address}:#{failed_ai.ip_port}", sockopt.int) + + if writable_sockets.any? || connecting_sockets.any? + # Try other writable socket in next "while" + # Or exit this "while" and wait for connections to be established or hostname resolution in next loop + elsif resolution_store.any_addrinfos? || resolution_store.any_unresolved_family? + # Exit this "while" and try other connection attempt + # Or exit this "while" and wait for hostname resolution in next loop + connection_attempt_delay_expires_at = nil + user_specified_connect_timeout_at = nil + else + raise last_error + end + end + end + end + + if except_sockets&.any? + except_sockets.each do |except_socket| + failed_ai = connecting_sockets.delete except_socket + sockopt = except_socket.getsockopt(Socket::SOL_SOCKET, Socket::SO_ERROR) + except_socket.close + ip_address = failed_ai.ipv6? ? "[#{failed_ai.ip_address}]" : failed_ai.ip_address + last_error = SystemCallError.new("connect(2) for #{ip_address}:#{failed_ai.ip_port}", sockopt.int) + + if except_sockets.any? || connecting_sockets.any? + # Cleanup other except socket in next "each" + # Or exit this "while" and wait for connections to be established or hostname resolution in next loop + elsif resolution_store.any_addrinfos? || resolution_store.any_unresolved_family? + # Exit this "while" and try other connection attempt + # Or exit this "while" and wait for hostname resolution in next loop + connection_attempt_delay_expires_at = nil + user_specified_connect_timeout_at = nil + else + raise last_error + end + end + end + + if hostname_resolved&.any? + while (family_and_result = hostname_resolution_result.get) + family_name, result = family_and_result + + if result.is_a? Exception + resolution_store.add_error(family_name, result) + + unless (Socket.const_defined?(:EAI_ADDRFAMILY)) && + (result.is_a?(Socket::ResolutionError)) && + (result.error_code == Socket::EAI_ADDRFAMILY) + other = family_name == :ipv6 ? :ipv4 : :ipv6 + if !resolution_store.resolved?(other) || !resolution_store.resolved_successfully?(other) + last_error = result + last_error_from_thread = true + end + end + else + resolution_store.add_resolved(family_name, result) + end + end + + if resolution_store.resolved?(:ipv4) + if resolution_store.resolved?(:ipv6) + hostname_resolution_notifier = nil + resolution_delay_expires_at = nil + user_specified_resolv_timeout_at = nil + elsif resolution_store.resolved_successfully?(:ipv4) + resolution_delay_expires_at = now + RESOLUTION_DELAY + end + end + end + + if expired?(now, user_specified_open_timeout_at) + raise(IO::TimeoutError, "user specified timeout for #{host}:#{port}") + end + + if resolution_store.empty_addrinfos? + if connecting_sockets.empty? && resolution_store.resolved_all_families? + if last_error_from_thread + raise last_error.class, last_error.message, cause: last_error + else + raise last_error + end + end + + if (expired?(now, user_specified_resolv_timeout_at) || resolution_store.resolved_all_families?) && + (expired?(now, user_specified_connect_timeout_at) || connecting_sockets.empty?) + raise(IO::TimeoutError, "user specified timeout for #{host}:#{port}") + end + end + end + ensure + hostname_resolution_threads.each(&:exit).each(&:join) + + hostname_resolution_result&.close + + connecting_sockets.each_key(&:close) + end + private_class_method :tcp_with_fast_fallback + + def self.tcp_without_fast_fallback(host, port, local_host, local_port, connect_timeout:, resolv_timeout:, open_timeout:) last_error = nil ret = nil local_addr_list = nil if local_host != nil || local_port != nil - local_addr_list = Addrinfo.getaddrinfo(local_host, local_port, nil, :STREAM, nil) + local_addr_list = Addrinfo.getaddrinfo(local_host, local_port, nil, :STREAM, nil, timeout: open_timeout || resolv_timeout) end - Addrinfo.foreach(host, port, nil, :STREAM) {|ai| + timeout = open_timeout ? open_timeout : resolv_timeout + starts_at = current_clock_time + + Addrinfo.foreach(host, port, nil, :STREAM, timeout:) {|ai| if local_addr_list local_addr = local_addr_list.find {|local_ai| local_ai.afamily == ai.afamily } - next if !local_addr + next unless local_addr else local_addr = nil end begin - sock = local_addr ? ai.connect_from(local_addr) : ai.connect + timeout = + if open_timeout + t = open_timeout - (current_clock_time - starts_at) + t.negative? ? 0 : t + else + connect_timeout + end + + sock = local_addr ? + ai.connect_from(local_addr, timeout:) : + ai.connect(timeout:) rescue SystemCallError last_error = $! next @@ -250,27 +970,161 @@ class Socket ret = sock break } - if !ret + unless ret if last_error raise last_error else raise SocketError, "no appropriate local address" end end - if block_given? - begin - yield ret - ensure - ret.close if !ret.closed? + + ret + end + private_class_method :tcp_without_fast_fallback + + def self.ip_address?(hostname) + hostname.match?(IPV6_ADDRESS_FORMAT) || hostname.match?(/\A([0-9]{1,3}\.){3}[0-9]{1,3}\z/) + end + private_class_method :ip_address? + + def self.resolve_hostname(family, host, port, hostname_resolution_result) + begin + resolved_addrinfos = Addrinfo.getaddrinfo(host, port, ADDRESS_FAMILIES[family], :STREAM) + hostname_resolution_result.add(family, resolved_addrinfos) + rescue => e + hostname_resolution_result.add(family, e) + end + end + private_class_method :resolve_hostname + + def self.current_clock_time + Process.clock_gettime(Process::CLOCK_MONOTONIC) + end + private_class_method :current_clock_time + + def self.second_to_timeout(started_at, ends_at) + return nil if ends_at == Float::INFINITY || ends_at.nil? + + remaining = (ends_at - started_at) + remaining.negative? ? 0 : remaining + end + private_class_method :second_to_timeout + + def self.expired?(started_at, ends_at) + second_to_timeout(started_at, ends_at)&.zero? + end + private_class_method :expired? + + class HostnameResolutionResult + def initialize(size) + @size = size + @taken_count = 0 + @rpipe, @wpipe = IO.pipe + @results = [] + @mutex = Mutex.new + end + + def notifier + [@rpipe] + end + + def add(family, result) + @mutex.synchronize do + @results.push [family, result] + @wpipe.putc HOSTNAME_RESOLUTION_QUEUE_UPDATED end - else - ret + end + + def get + return nil if @results.empty? + + res = nil + + @mutex.synchronize do + @rpipe.getbyte + res = @results.shift + end + + @taken_count += 1 + close if @taken_count == @size + res + end + + def close + @rpipe.close + @wpipe.close + end + end + private_constant :HostnameResolutionResult + + class HostnameResolutionStore + PRIORITY_ON_V6 = [:ipv6, :ipv4].freeze + PRIORITY_ON_V4 = [:ipv4, :ipv6].freeze + + def initialize(family_names) + @family_names = family_names + @addrinfo_dict = {} + @error_dict = {} + @last_family = nil + end + + def add_resolved(family_name, addrinfos) + @addrinfo_dict[family_name] = addrinfos + end + + def add_error(family_name, error) + @addrinfo_dict[family_name] = [] + @error_dict[family_name] = error + end + + def get_addrinfo + precedences = + case @last_family + when :ipv4, nil then PRIORITY_ON_V6 + when :ipv6 then PRIORITY_ON_V4 + end + + precedences.each do |family_name| + addrinfo = @addrinfo_dict[family_name]&.shift + next unless addrinfo + + @last_family = family_name + return addrinfo + end + + nil + end + + def empty_addrinfos? + @addrinfo_dict.all? { |_, addrinfos| addrinfos.empty? } + end + + def any_addrinfos? + !empty_addrinfos? + end + + def resolved?(family) + @addrinfo_dict.has_key? family + end + + def resolved_successfully?(family) + resolved?(family) && !@error_dict[family] + end + + def resolved_all_families? + (@family_names - @addrinfo_dict.keys).empty? + end + + def any_unresolved_family? + !resolved_all_families? end end + private_constant :HostnameResolutionStore def self.ip_sockets_port0(ai_list, reuseaddr) + sockets = [] begin - sockets = [] + sockets.clear port = nil ai_list.each {|ai| begin @@ -283,7 +1137,7 @@ class Socket if reuseaddr s.setsockopt(:SOCKET, :REUSEADDR, 1) end - if !port + unless port s.bind(ai) port = s.local_address.ip_port else @@ -291,32 +1145,33 @@ class Socket end } rescue Errno::EADDRINUSE - sockets.each {|s| - s.close - } + sockets.each(&:close) retry + rescue Exception + sockets.each(&:close) + raise end sockets - ensure - sockets.each {|s| s.close if !s.closed? } if $! - end - class << self - private :ip_sockets_port0 end + private_class_method :ip_sockets_port0 def self.tcp_server_sockets_port0(host) ai_list = Addrinfo.getaddrinfo(host, 0, nil, :STREAM, nil, Socket::AI_PASSIVE) sockets = ip_sockets_port0(ai_list, true) - sockets.each {|s| - s.listen(5) - } + begin + sockets.each {|s| + s.listen(Socket::SOMAXCONN) + } + rescue Exception + sockets.each(&:close) + raise + end sockets - ensure - sockets.each {|s| s.close if !s.closed? } if $! && sockets end class << self private :tcp_server_sockets_port0 end + # :startdoc: # creates TCP/IP server sockets for _host_ and _port_. # _host_ is optional. @@ -328,7 +1183,7 @@ class Socket # The value of the block is returned. # The socket is closed when this method returns. # - # If _port_ is 0, actual port number is choosen dynamically. + # If _port_ is 0, actual port number is chosen dynamically. # However all sockets in the result has same port number. # # # tcp_server_sockets returns two sockets. @@ -340,7 +1195,7 @@ class Socket # #=> #<Addrinfo: [::]:1296 TCP> # # #<Addrinfo: 0.0.0.0:1296 TCP> # - # # IPv6 and IPv4 socket has same port number, 53114, even if it is choosen dynamically. + # # IPv6 and IPv4 socket has same port number, 53114, even if it is chosen dynamically. # sockets = Socket.tcp_server_sockets(0) # sockets.each {|s| p s.local_address } # #=> #<Addrinfo: [::]:53114 TCP> @@ -355,9 +1210,9 @@ class Socket if port == 0 sockets = tcp_server_sockets_port0(host) else + last_error = nil + sockets = [] begin - last_error = nil - sockets = [] Addrinfo.foreach(host, port, nil, :STREAM, nil, Socket::AI_PASSIVE) {|ai| begin s = ai.listen @@ -370,15 +1225,16 @@ class Socket if sockets.empty? raise last_error end - ensure - sockets.each {|s| s.close if !s.closed? } if $! + rescue Exception + sockets.each(&:close) + raise end end if block_given? begin yield sockets ensure - sockets.each {|s| s.close if !s.closed? } + sockets.each(&:close) end else sockets @@ -402,11 +1258,8 @@ class Socket loop { readable, _, _ = IO.select(sockets) readable.each {|r| - begin - sock, addr = r.accept_nonblock - rescue IO::WaitReadable - next - end + sock, addr = r.accept_nonblock(exception: false) + next if sock == :wait_readable yield sock, addr } } @@ -470,8 +1323,8 @@ class Socket # The value of the block is returned. # The sockets are closed when this method returns. # - # If _port_ is zero, some port is choosen. - # But the choosen port is used for the all sockets. + # If _port_ is zero, some port is chosen. + # But the chosen port is used for the all sockets. # # # UDP/IP echo server # Socket.udp_server_sockets(0) {|sockets| @@ -484,7 +1337,6 @@ class Socket def self.udp_server_sockets(host=nil, port) last_error = nil sockets = [] - addr_hash = {} ipv6_recvpktinfo = nil if defined? Socket::AncillaryData @@ -501,18 +1353,19 @@ class Socket Addrinfo.foreach(host, port, nil, :DGRAM, nil, Socket::AI_PASSIVE) {|ai| if ai.ipv4? && ai.ip_address == "0.0.0.0" local_addrs.each {|a| - next if !a.ipv4? + next unless a.ipv4? ip_list << Addrinfo.new(a.to_sockaddr, :INET, :DGRAM, 0); } elsif ai.ipv6? && ai.ip_address == "::" && !ipv6_recvpktinfo local_addrs.each {|a| - next if !a.ipv6? + next unless a.ipv6? ip_list << Addrinfo.new(a.to_sockaddr, :INET6, :DGRAM, 0); } else ip_list << ai end } + ip_list.uniq!(&:to_sockaddr) if port == 0 sockets = ip_sockets_port0(ip_list, false) @@ -532,12 +1385,10 @@ class Socket end end - pktinfo_sockets = {} sockets.each {|s| ai = s.local_address if ipv6_recvpktinfo && ai.ipv6? && ai.ip_address == "::" s.setsockopt(:IPV6, ipv6_recvpktinfo, 1) - pktinfo_sockets[s] = true end } @@ -545,7 +1396,7 @@ class Socket begin yield sockets ensure - sockets.each {|s| s.close if !s.closed? } if sockets + sockets.each(&:close) if sockets end else sockets @@ -573,11 +1424,8 @@ class Socket # def self.udp_server_recv(sockets) sockets.each {|r| - begin - msg, sender_addrinfo, rflags, *controls = r.recvmsg_nonblock - rescue IO::WaitReadable - next - end + msg, sender_addrinfo, _, *controls = r.recvmsg_nonblock(exception: false) + next if msg == :wait_readable ai = r.local_address if ai.ipv6? and pktinfo = controls.find {|c| c.cmsg_is?(:IPV6, :PKTINFO) } ai = Addrinfo.udp(pktinfo.ipv6_pktinfo_addr.ip_address, ai.ip_port) @@ -604,7 +1452,7 @@ class Socket def self.udp_server_loop_on(sockets, &b) # :yield: msg, msg_src loop { readable, _, _ = IO.select(sockets) - udp_server_recv(sockets, &b) + udp_server_recv(readable, &b) } end @@ -636,17 +1484,28 @@ class Socket # UDP/IP address information used by Socket.udp_server_loop. class UDPSource + # +remote_address+ is an Addrinfo object. + # + # +local_address+ is an Addrinfo object. + # + # +reply_proc+ is a Proc used to send reply back to the source. def initialize(remote_address, local_address, &reply_proc) @remote_address = remote_address @local_address = local_address @reply_proc = reply_proc end - attr_reader :remote_address, :local_address - def inspect - "\#<#{self.class}: #{@remote_address.inspect_sockaddr} to #{@local_address.inspect_sockaddr}>" + # Address of the source + attr_reader :remote_address + + # Local address + attr_reader :local_address + + def inspect # :nodoc: + "\#<#{self.class}: #{@remote_address.inspect_sockaddr} to #{@local_address.inspect_sockaddr}>".dup end + # Sends the String +msg+ to the source def reply(msg) @reply_proc.call msg end @@ -674,14 +1533,14 @@ class Socket begin yield sock ensure - sock.close if !sock.closed? + sock.close end else sock end end - # creates UNIX server sockets on _path_ + # creates a UNIX server socket on _path_ # # If no block given, it returns a listening socket. # @@ -698,26 +1557,43 @@ class Socket # } # def self.unix_server_socket(path) - begin - st = File.lstat(path) - rescue Errno::ENOENT - end - if st && st.socket? && st.owned? - File.unlink path + unless unix_socket_abstract_name?(path) + begin + st = File.lstat(path) + rescue Errno::ENOENT + end + if st&.socket? && st.owned? + File.unlink path + end end s = Addrinfo.unix(path).listen if block_given? begin yield s ensure - s.close if !s.closed? - File.unlink path + s.close + unless unix_socket_abstract_name?(path) + File.unlink path + end end else s end end + # :stopdoc: + if RUBY_PLATFORM.include?("linux") + def self.unix_socket_abstract_name?(path) + path.empty? or path.start_with?("\0") + end + else + def self.unix_socket_abstract_name?(path) + false + end + end + private_class_method :unix_socket_abstract_name? + # :startdoc: + # creates a UNIX socket server on _path_. # It calls the block for each socket accepted. # @@ -748,5 +1624,193 @@ class Socket } end + # call-seq: + # socket.connect_nonblock(remote_sockaddr, [options]) => 0 + # + # Requests a connection to be made on the given +remote_sockaddr+ after + # O_NONBLOCK is set for the underlying file descriptor. + # Returns 0 if successful, otherwise an exception is raised. + # + # === Parameter + # * +remote_sockaddr+ - the +struct+ sockaddr contained in a string or Addrinfo object + # + # === Example: + # # Pull down Google's web page + # require 'socket' + # include Socket::Constants + # socket = Socket.new(AF_INET, SOCK_STREAM, 0) + # sockaddr = Socket.sockaddr_in(80, 'www.google.com') + # begin # emulate blocking connect + # socket.connect_nonblock(sockaddr) + # rescue IO::WaitWritable + # IO.select(nil, [socket]) # wait 3-way handshake completion + # begin + # socket.connect_nonblock(sockaddr) # check connection failure + # rescue Errno::EISCONN + # end + # end + # socket.write("GET / HTTP/1.0\r\n\r\n") + # results = socket.read + # + # Refer to Socket#connect for the exceptions that may be thrown if the call + # to _connect_nonblock_ fails. + # + # Socket#connect_nonblock may raise any error corresponding to connect(2) failure, + # including Errno::EINPROGRESS. + # + # If the exception is Errno::EINPROGRESS, + # it is extended by IO::WaitWritable. + # So IO::WaitWritable can be used to rescue the exceptions for retrying connect_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that connect_nonblock should not raise an IO::WaitWritable exception, but + # return the symbol +:wait_writable+ instead. + # + # === See + # * Socket#connect + def connect_nonblock(addr, exception: true) + __connect_nonblock(addr, exception) + end +end + +class UDPSocket < IPSocket + + # call-seq: + # udpsocket.recvfrom_nonblock(maxlen [, flags[, outbuf [, options]]]) => [mesg, sender_inet_addr] + # + # Receives up to _maxlen_ bytes from +udpsocket+ using recvfrom(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # _flags_ is zero or more of the +MSG_+ options. + # The first element of the results, _mesg_, is the data received. + # The second element, _sender_inet_addr_, is an array to represent the sender address. + # + # When recvfrom(2) returns 0, Socket#recv_nonblock returns nil. + # In most cases it means the connection was closed, but it may also mean + # an empty packet was received, as the underlying API makes + # it impossible to distinguish these two cases. + # + # === Parameters + # * +maxlen+ - the number of bytes to receive from the socket + # * +flags+ - zero or more of the +MSG_+ options + # * +outbuf+ - destination String buffer + # * +options+ - keyword hash, supporting `exception: false` + # + # === Example + # require 'socket' + # s1 = UDPSocket.new + # s1.bind("127.0.0.1", 0) + # s2 = UDPSocket.new + # s2.bind("127.0.0.1", 0) + # s2.connect(*s1.addr.values_at(3,1)) + # s1.connect(*s2.addr.values_at(3,1)) + # s1.send "aaa", 0 + # begin # emulate blocking recvfrom + # p s2.recvfrom_nonblock(10) #=> ["aaa", ["AF_INET", 33302, "localhost.localdomain", "127.0.0.1"]] + # rescue IO::WaitReadable + # IO.select([s2]) + # retry + # end + # + # Refer to Socket#recvfrom for the exceptions that may be thrown if the call + # to _recvfrom_nonblock_ fails. + # + # UDPSocket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK or Errno::EAGAIN, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying recvfrom_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that recvfrom_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * Socket#recvfrom + def recvfrom_nonblock(len, flag = 0, outbuf = nil, exception: true) + __recvfrom_nonblock(len, flag, outbuf, exception) + end end +class TCPServer < TCPSocket + + # call-seq: + # tcpserver.accept_nonblock([options]) => tcpsocket + # + # Accepts an incoming connection using accept(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # It returns an accepted TCPSocket for the incoming connection. + # + # === Example + # require 'socket' + # serv = TCPServer.new(2202) + # begin # emulate blocking accept + # sock = serv.accept_nonblock + # rescue IO::WaitReadable, Errno::EINTR + # IO.select([serv]) + # retry + # end + # # sock is an accepted socket. + # + # Refer to Socket#accept for the exceptions that may be thrown if the call + # to TCPServer#accept_nonblock fails. + # + # TCPServer#accept_nonblock may raise any error corresponding to accept(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK, Errno::EAGAIN, Errno::ECONNABORTED, Errno::EPROTO, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that accept_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * TCPServer#accept + # * Socket#accept + def accept_nonblock(exception: true) + __accept_nonblock(exception) + end +end + +class UNIXServer < UNIXSocket + # call-seq: + # unixserver.accept_nonblock([options]) => unixsocket + # + # Accepts an incoming connection using accept(2) after + # O_NONBLOCK is set for the underlying file descriptor. + # It returns an accepted UNIXSocket for the incoming connection. + # + # === Example + # require 'socket' + # serv = UNIXServer.new("/tmp/sock") + # begin # emulate blocking accept + # sock = serv.accept_nonblock + # rescue IO::WaitReadable, Errno::EINTR + # IO.select([serv]) + # retry + # end + # # sock is an accepted socket. + # + # Refer to Socket#accept for the exceptions that may be thrown if the call + # to UNIXServer#accept_nonblock fails. + # + # UNIXServer#accept_nonblock may raise any error corresponding to accept(2) failure, + # including Errno::EWOULDBLOCK. + # + # If the exception is Errno::EWOULDBLOCK, Errno::EAGAIN, Errno::ECONNABORTED or Errno::EPROTO, + # it is extended by IO::WaitReadable. + # So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. + # + # By specifying a keyword argument _exception_ to +false+, you can indicate + # that accept_nonblock should not raise an IO::WaitReadable exception, but + # return the symbol +:wait_readable+ instead. + # + # === See + # * UNIXServer#accept + # * Socket#accept + def accept_nonblock(exception: true) + __accept_nonblock(exception) + end +end if defined?(UNIXSocket) diff --git a/ext/socket/mkconstants.rb b/ext/socket/mkconstants.rb index 6df8fbeaf9..4271e40cd8 100644 --- a/ext/socket/mkconstants.rb +++ b/ext/socket/mkconstants.rb @@ -1,3 +1,4 @@ +# frozen_string_literal: false require 'optparse' require 'erb' @@ -37,30 +38,34 @@ opt.parse! h = {} +COMMENTS = Hash.new { |h, name| h[name] = name } + DATA.each_line {|s| - name, default_value = s.scan(/\S+/) + name, default_value, comment = s.chomp.split(/\s+/, 3) next unless name && name[0] != ?# + + default_value = nil if default_value == 'nil' + if h.has_key? name warn "#{$.}: warning: duplicate name: #{name}" next end h[name] = default_value + if comment + # Stop unintentional references + COMMENTS[name] = comment.gsub(/\b(Data|Kernel|Process|Set|Socket|Time)\b/, '\\\\\\&') + end } DEFS = h.to_a def each_const DEFS.each {|name, default_value| - if name =~ /\AINADDR_/ - make_value = "UINT2NUM" - else - make_value = "INT2NUM" - end guard = nil if /\A(AF_INET6|PF_INET6|IPV6_.*)\z/ =~ name - # IPv6 is not supported although AF_INET6 is defined on bcc32/mingw + # IPv6 is not supported although AF_INET6 is defined on mingw guard = "defined(INET6)" end - yield guard, make_value, name, default_value + yield guard, name, default_value } end @@ -71,31 +76,41 @@ def each_name(pat) } end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") -% each_const {|guard, make_value, name, default_value| -% if default_value -#ifndef <%=name%> -# define <%=name%> <%=default_value%> +erb_new = lambda do |src, trim| + ERB.new(src, trim_mode: trim) +end + +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_decls") +% each_const {|guard, name, default_value| +#if !defined(<%=name%>) +# if defined(HAVE_CONST_<%=name.upcase%>) +# define <%=name%> <%=name%> +%if default_value +# else +# define <%=name%> <%=default_value%> +%end +# endif #endif -% end % } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs_in_guard(make_value, name, default_value)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_defs_in_guard(name, default_value)") #if defined(<%=name%>) - rb_define_const(rb_cSocket, <%=c_str name%>, <%=make_value%>(<%=name%>)); - rb_define_const(rb_mSockConst, <%=c_str name%>, <%=make_value%>(<%=name%>)); + /* <%= COMMENTS[name] %> */ + rb_define_const(rb_cSocket, <%=c_str name%>, INTEGER2NUM(<%=name%>)); + /* <%= COMMENTS[name] %> */ + rb_define_const(rb_mSockConst, <%=c_str name%>, INTEGER2NUM(<%=name%>)); #endif EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs") -% each_const {|guard, make_value, name, default_value| +erb_new.call(<<'EOS', '%').def_method(Object, "gen_const_defs") +% each_const {|guard, name, default_value| % if guard #if <%=guard%> -<%= gen_const_defs_in_guard(make_value, name, default_value).chomp %> +<%= gen_const_defs_in_guard(name, default_value).chomp %> #endif % else -<%= gen_const_defs_in_guard(make_value, name, default_value).chomp %> +<%= gen_const_defs_in_guard(name, default_value).chomp %> % end % } EOS @@ -138,19 +153,19 @@ def each_names_with_len(pat, prefix_optional=nil) } end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_decl(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_decl(funcname, pat, prefix_optional, guard=nil)") %if guard #ifdef <%=guard%> -int <%=funcname%>(const char *str, int len, int *valp); +int <%=funcname%>(const char *str, long len, int *valp); #endif %else -int <%=funcname%>(const char *str, int len, int *valp); +int <%=funcname%>(const char *str, long len, int *valp); %end EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") int -<%=funcname%>(const char *str, int len, int *valp) +<%=funcname%>(const char *str, long len, int *valp) { switch (len) { % each_names_with_len(pat, prefix_optional) {|pairs, len| @@ -164,12 +179,13 @@ int % } default: + if (!str || !valp) {/* wrong argument */} return -1; } } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_name_to_int_func(funcname, pat, prefix_optional, guard=nil)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_name_to_int_func(funcname, pat, prefix_optional, guard=nil)") %if guard #ifdef <%=guard%> <%=gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard)%> @@ -198,7 +214,7 @@ def reverse_each_name_with_prefix_optional(pat, prefix_pat) end end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_hash(hash_var, pat, prefix_pat)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_hash(hash_var, pat, prefix_pat)") <%=hash_var%> = st_init_numtable(); % reverse_each_name_with_prefix_optional(pat, prefix_pat) {|n,s| #ifdef <%=n%> @@ -207,7 +223,7 @@ ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_hash(hash_var, pa % } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") ID <%=func_name%>(int val) { @@ -218,7 +234,7 @@ ID } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") +erb_new.call(<<'EOS', '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") ID <%=func_name%>(int val); EOS @@ -267,17 +283,38 @@ def_intern('rsock_intern_udp_optname', /\AUDP_/, "UDP_") def_intern('rsock_intern_scm_optname', /\ASCM_/, "SCM_") def_intern('rsock_intern_local_optname', /\ALOCAL_/, "LOCAL_") -result = ERB.new(<<'EOS', nil, '%').result(binding) +result = erb_new.call(<<'EOS', '%').result(binding) /* autogenerated file */ <%= INTERN_DEFS.map {|vardef, gen_hash, decl, func| vardef }.join("\n") %> +#ifdef HAVE_LONG_LONG +#define INTEGER2NUM(n) \ + (FIXNUM_MAX < (n) ? ULL2NUM(n) : \ + FIXNUM_MIN > (LONG_LONG)(n) ? LL2NUM(n) : \ + LONG2FIX(n)) +#else +#define INTEGER2NUM(n) \ + (FIXNUM_MAX < (n) ? ULONG2NUM(n) : \ + FIXNUM_MIN > (long)(n) ? LONG2NUM(n) : \ + LONG2FIX(n)) +#endif + static void init_constants(void) { - /* for rdoc */ - /* rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); */ - /* rb_mSockConst = rb_define_module_under(rb_cSocket, "Constants"); */ + /* + * Document-module: Socket::Constants + * + * Socket::Constants provides socket-related constants. All possible + * socket constants are listed in the documentation but they may not all + * be present on your platform. + * + * If the underlying platform doesn't define a constant the corresponding + * Ruby constant is not defined. + * + */ + rb_mSockConst = rb_define_module_under(rb_cSocket, "Constants"); <%= gen_const_defs %> <%= INTERN_DEFS.map {|vardef, gen_hash, decl, func| gen_hash }.join("\n") %> @@ -289,7 +326,7 @@ init_constants(void) EOS -header_result = ERB.new(<<'EOS', nil, '%').result(binding) +header_result = erb_new.call(<<'EOS', '%').result(binding) /* autogenerated file */ <%= gen_const_decls %> <%= NAME_TO_INT_DEFS.map {|decl, func| decl }.join("\n") %> @@ -314,370 +351,504 @@ end __END__ -SOCK_STREAM -SOCK_DGRAM -SOCK_RAW -SOCK_RDM -SOCK_SEQPACKET -SOCK_PACKET - -AF_UNSPEC -PF_UNSPEC -AF_INET -PF_INET -AF_INET6 -PF_INET6 -AF_UNIX -PF_UNIX -AF_AX25 -PF_AX25 -AF_IPX -PF_IPX -AF_APPLETALK -PF_APPLETALK -AF_LOCAL -PF_LOCAL -AF_IMPLINK -PF_IMPLINK -AF_PUP -PF_PUP -AF_CHAOS -PF_CHAOS -AF_NS -PF_NS -AF_ISO -PF_ISO -AF_OSI -PF_OSI -AF_ECMA -PF_ECMA -AF_DATAKIT -PF_DATAKIT -AF_CCITT -PF_CCITT -AF_SNA -PF_SNA -AF_DEC -PF_DEC -AF_DLI -PF_DLI -AF_LAT -PF_LAT -AF_HYLINK -PF_HYLINK -AF_ROUTE -PF_ROUTE -AF_LINK -PF_LINK -AF_COIP -PF_COIP -AF_CNT -PF_CNT -AF_SIP -PF_SIP -AF_NDRV -PF_NDRV -AF_ISDN -PF_ISDN -AF_NATM -PF_NATM -AF_SYSTEM -PF_SYSTEM -AF_NETBIOS -PF_NETBIOS -AF_PPP -PF_PPP -AF_ATM -PF_ATM -AF_NETGRAPH -PF_NETGRAPH -AF_MAX -PF_MAX -AF_PACKET -PF_PACKET - -AF_E164 -PF_XTP -PF_RTIP -PF_PIP -PF_KEY - -MSG_OOB -MSG_PEEK -MSG_DONTROUTE -MSG_EOR -MSG_TRUNC -MSG_CTRUNC -MSG_WAITALL -MSG_DONTWAIT -MSG_EOF -MSG_FLUSH -MSG_HOLD -MSG_SEND -MSG_HAVEMORE -MSG_RCVMORE -MSG_COMPAT -MSG_PROXY +SOCK_STREAM nil A stream socket provides a sequenced, reliable two-way connection for a byte stream +SOCK_DGRAM nil A datagram socket provides connectionless, unreliable messaging +SOCK_RAW nil A raw socket provides low-level access for direct access or implementing network protocols +SOCK_RDM nil A reliable datagram socket provides reliable delivery of messages +SOCK_SEQPACKET nil A sequential packet socket provides sequenced, reliable two-way connection for datagrams +SOCK_PACKET nil Device-level packet access +SOCK_NONBLOCK nil Set the O_NONBLOCK file status flag on the open file description (see open(2)) referred to by the new file descriptor. +SOCK_CLOEXEC nil Set the close-on-exec (FD_CLOEXEC) flag on the new file descriptor. + +AF_UNSPEC nil Unspecified protocol, any supported address family +PF_UNSPEC nil Unspecified protocol, any supported address family +AF_INET nil IPv4 protocol +PF_INET nil IPv4 protocol +AF_INET6 nil IPv6 protocol +PF_INET6 nil IPv6 protocol +AF_UNIX nil UNIX sockets +PF_UNIX nil UNIX sockets +AF_AX25 nil AX.25 protocol +PF_AX25 nil AX.25 protocol +AF_IPX nil IPX protocol +PF_IPX nil IPX protocol +AF_APPLETALK nil AppleTalk protocol +PF_APPLETALK nil AppleTalk protocol +AF_LOCAL nil Host-internal protocols +PF_LOCAL nil Host-internal protocols +AF_IMPLINK nil ARPANET IMP protocol +PF_IMPLINK nil ARPANET IMP protocol +AF_PUP nil PARC Universal Packet protocol +PF_PUP nil PARC Universal Packet protocol +AF_CHAOS nil MIT CHAOS protocols +PF_CHAOS nil MIT CHAOS protocols +AF_NS nil XEROX NS protocols +PF_NS nil XEROX NS protocols +AF_ISO nil ISO Open Systems Interconnection protocols +PF_ISO nil ISO Open Systems Interconnection protocols +AF_OSI nil ISO Open Systems Interconnection protocols +PF_OSI nil ISO Open Systems Interconnection protocols +AF_ECMA nil European Computer Manufacturers protocols +PF_ECMA nil European Computer Manufacturers protocols +AF_DATAKIT nil Datakit protocol +PF_DATAKIT nil Datakit protocol +AF_CCITT nil CCITT (now ITU-T) protocols +PF_CCITT nil CCITT (now ITU-T) protocols +AF_SNA nil IBM SNA protocol +PF_SNA nil IBM SNA protocol +AF_DEC nil DECnet protocol +PF_DEC nil DECnet protocol +AF_DECnet nil DECnet protocol +PF_DECnet nil DECnet protocol +AF_DLI nil DEC Direct Data Link Interface protocol +PF_DLI nil DEC Direct Data Link Interface protocol +AF_LAT nil Local Area Transport protocol +PF_LAT nil Local Area Transport protocol +AF_HYLINK nil NSC Hyperchannel protocol +PF_HYLINK nil NSC Hyperchannel protocol +AF_ROUTE nil Internal routing protocol +PF_ROUTE nil Internal routing protocol +AF_LINK nil Link layer interface +PF_LINK nil Link layer interface +AF_COIP nil Connection-oriented IP +PF_COIP nil Connection-oriented IP +AF_CNT nil Computer Network Technology +PF_CNT nil Computer Network Technology +AF_SIP nil Simple Internet Protocol +PF_SIP nil Simple Internet Protocol +AF_NDRV nil Network driver raw access +PF_NDRV nil Network driver raw access +AF_ISDN nil Integrated Services Digital Network +PF_ISDN nil Integrated Services Digital Network +AF_NATM nil Native ATM access +PF_NATM nil Native ATM access +AF_SYSTEM nil Kernel event messages +PF_SYSTEM nil Kernel event messages +AF_NETBIOS nil NetBIOS +PF_NETBIOS nil NetBIOS +AF_PPP nil Point-to-Point Protocol +PF_PPP nil Point-to-Point Protocol +AF_ATM nil Asynchronous Transfer Mode +PF_ATM nil Asynchronous Transfer Mode +AF_NETGRAPH nil Netgraph sockets +PF_NETGRAPH nil Netgraph sockets +AF_MAX nil Maximum address family for this platform +PF_MAX nil Maximum address family for this platform +AF_PACKET nil Direct link-layer access +PF_PACKET nil Direct link-layer access + +AF_E164 nil CCITT (ITU-T) E.164 recommendation +PF_XTP nil eXpress Transfer Protocol +PF_RTIP nil Help Identify RTIP packets +PF_PIP nil Help Identify PIP packets +AF_KEY nil Key management protocol, originally developed for usage with IPsec +PF_KEY nil Key management protocol, originally developed for usage with IPsec +AF_NETLINK nil Kernel user interface device +PF_NETLINK nil Kernel user interface device +AF_RDS nil Reliable Datagram Sockets (RDS) protocol +PF_RDS nil Reliable Datagram Sockets (RDS) protocol +AF_PPPOX nil Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE) +PF_PPPOX nil Generic PPP transport layer, for setting up L2 tunnels (L2TP and PPPoE) +AF_LLC nil Logical link control (IEEE 802.2 LLC) protocol +PF_LLC nil Logical link control (IEEE 802.2 LLC) protocol +AF_IB nil InfiniBand native addressing +PF_IB nil InfiniBand native addressing +AF_MPLS nil Multiprotocol Label Switching +PF_MPLS nil Multiprotocol Label Switching +AF_CAN nil Controller Area Network automotive bus protocol +PF_CAN nil Controller Area Network automotive bus protocol +AF_TIPC nil TIPC, "cluster domain sockets" protocol +PF_TIPC nil TIPC, "cluster domain sockets" protocol +AF_BLUETOOTH nil Bluetooth low-level socket protocol +PF_BLUETOOTH nil Bluetooth low-level socket protocol +AF_ALG nil Interface to kernel crypto API +PF_ALG nil Interface to kernel crypto API +AF_VSOCK nil VSOCK (originally "VMWare VSockets") protocol for hypervisor-guest communication +PF_VSOCK nil VSOCK (originally "VMWare VSockets") protocol for hypervisor-guest communication +AF_KCM nil KCM (kernel connection multiplexor) interface +PF_KCM nil KCM (kernel connection multiplexor) interface +AF_XDP nil XDP (express data path) interface +PF_XDP nil XDP (express data path) interface + +MSG_OOB nil Process out-of-band data +MSG_PEEK nil Peek at incoming message +MSG_DONTROUTE nil Send without using the routing tables +MSG_EOR nil Data completes record +MSG_TRUNC nil Data discarded before delivery +MSG_CTRUNC nil Control data lost before delivery +MSG_WAITALL nil Wait for full request or error +MSG_DONTWAIT nil This message should be non-blocking +MSG_EOF nil Data completes connection +MSG_FLUSH nil Start of a hold sequence. Dumps to so_temp +MSG_HOLD nil Hold fragment in so_temp +MSG_SEND nil Send the packet in so_temp +MSG_HAVEMORE nil Data ready to be read +MSG_RCVMORE nil Data remains in the current packet +MSG_COMPAT nil End of record +MSG_PROXY nil Wait for full request MSG_FIN MSG_SYN -MSG_CONFIRM +MSG_CONFIRM nil Confirm path validity MSG_RST -MSG_ERRQUEUE -MSG_NOSIGNAL -MSG_MORE - -SOL_SOCKET -SOL_IP -SOL_IPX -SOL_AX25 -SOL_ATALK -SOL_TCP -SOL_UDP - -IPPROTO_IP 0 -IPPROTO_ICMP 1 -IPPROTO_IGMP -IPPROTO_GGP -IPPROTO_TCP 6 -IPPROTO_EGP -IPPROTO_PUP -IPPROTO_UDP 17 -IPPROTO_IDP -IPPROTO_HELLO -IPPROTO_ND -IPPROTO_TP -IPPROTO_XTP -IPPROTO_EON +MSG_ERRQUEUE nil Fetch message from error queue +MSG_NOSIGNAL nil Do not generate SIGPIPE +MSG_MORE nil Sender will send more +MSG_FASTOPEN nil Reduce step of the handshake process + +SOL_SOCKET nil Socket-level options +SOL_IP nil IP socket options +SOL_IPX nil IPX socket options +SOL_AX25 nil AX.25 socket options +SOL_ATALK nil AppleTalk socket options +SOL_TCP nil TCP socket options +SOL_UDP nil UDP socket options + +IPPROTO_IP 0 Dummy protocol for IP +IPPROTO_ICMP 1 Control message protocol +IPPROTO_IGMP nil Group Management Protocol +IPPROTO_GGP nil Gateway to Gateway Protocol +IPPROTO_TCP 6 TCP +IPPROTO_EGP nil Exterior Gateway Protocol +IPPROTO_PUP nil PARC Universal Packet protocol +IPPROTO_UDP 17 UDP +IPPROTO_IDP nil XNS IDP +IPPROTO_HELLO nil "hello" routing protocol +IPPROTO_ND nil Sun net disk protocol +IPPROTO_TP nil ISO transport protocol class 4 +IPPROTO_XTP nil Xpress Transport Protocol +IPPROTO_EON nil ISO cnlp IPPROTO_BIP -IPPROTO_AH -IPPROTO_DSTOPTS -IPPROTO_ESP -IPPROTO_FRAGMENT -IPPROTO_HOPOPTS -IPPROTO_ICMPV6 -IPPROTO_IPV6 -IPPROTO_NONE -IPPROTO_ROUTING - -IPPROTO_RAW 255 -IPPROTO_MAX +IPPROTO_AH nil IP6 auth header +IPPROTO_DSTOPTS nil IP6 destination option +IPPROTO_ESP nil IP6 Encapsulated Security Payload +IPPROTO_FRAGMENT nil IP6 fragmentation header +IPPROTO_HOPOPTS nil IP6 hop-by-hop options +IPPROTO_ICMPV6 nil ICMP6 +IPPROTO_IPV6 nil IP6 header +IPPROTO_NONE nil IP6 no next header +IPPROTO_ROUTING nil IP6 routing header + +IPPROTO_RAW 255 Raw IP packet +IPPROTO_MAX nil Maximum IPPROTO constant # Some port configuration -IPPORT_RESERVED 1024 -IPPORT_USERRESERVED 5000 +IPPORT_RESERVED 1024 Default minimum address for bind or connect +IPPORT_USERRESERVED 5000 Default maximum address for bind or connect # Some reserved IP v.4 addresses -INADDR_ANY 0x00000000 -INADDR_BROADCAST 0xffffffff -INADDR_LOOPBACK 0x7F000001 -INADDR_UNSPEC_GROUP 0xe0000000 -INADDR_ALLHOSTS_GROUP 0xe0000001 -INADDR_MAX_LOCAL_GROUP 0xe00000ff -INADDR_NONE 0xffffffff +INADDR_ANY 0x00000000 A socket bound to INADDR_ANY receives packets from all interfaces and sends from the default IP address +INADDR_BROADCAST 0xffffffff The network broadcast address +INADDR_LOOPBACK 0x7F000001 The loopback address +INADDR_UNSPEC_GROUP 0xe0000000 The reserved multicast group +INADDR_ALLHOSTS_GROUP 0xe0000001 Multicast group for all systems on this subset +INADDR_MAX_LOCAL_GROUP 0xe00000ff The last local network multicast group +INADDR_NONE 0xffffffff A bitmask for matching no valid IP address # IP [gs]etsockopt options -IP_OPTIONS -IP_HDRINCL -IP_TOS -IP_TTL -IP_RECVOPTS -IP_RECVRETOPTS -IP_RECVDSTADDR -IP_RETOPTS -IP_MINTTL -IP_DONTFRAG -IP_SENDSRCADDR -IP_ONESBCAST -IP_RECVTTL -IP_RECVIF -IP_RECVSLLA -IP_PORTRANGE -IP_MULTICAST_IF -IP_MULTICAST_TTL -IP_MULTICAST_LOOP -IP_ADD_MEMBERSHIP -IP_DROP_MEMBERSHIP -IP_DEFAULT_MULTICAST_TTL -IP_DEFAULT_MULTICAST_LOOP -IP_MAX_MEMBERSHIPS -IP_ROUTER_ALERT -IP_PKTINFO -IP_PKTOPTIONS -IP_MTU_DISCOVER -IP_RECVERR -IP_RECVTOS -IP_MTU -IP_FREEBIND -IP_IPSEC_POLICY +IP_OPTIONS nil IP options to be included in packets +IP_HDRINCL nil Header is included with data +IP_TOS nil IP type-of-service +IP_TTL nil IP time-to-live +IP_RECVOPTS nil Receive all IP options with datagram +IP_RECVRETOPTS nil Receive all IP options for response +IP_RECVDSTADDR nil Receive IP destination address with datagram +IP_RETOPTS nil IP options to be included in datagrams +IP_MINTTL nil Minimum TTL allowed for received packets +IP_DONTFRAG nil Don't fragment packets +IP_SENDSRCADDR nil Source address for outgoing UDP datagrams +IP_ONESBCAST nil Force outgoing broadcast datagrams to have the undirected broadcast address +IP_RECVTTL nil Receive IP TTL with datagrams +IP_RECVIF nil Receive interface information with datagrams +IP_RECVSLLA nil Receive link-layer address with datagrams +IP_PORTRANGE nil Set the port range for sockets with unspecified port numbers +IP_MULTICAST_IF nil IP multicast interface +IP_MULTICAST_TTL nil IP multicast TTL +IP_MULTICAST_LOOP nil IP multicast loopback +IP_ADD_MEMBERSHIP nil Add a multicast group membership +IP_DROP_MEMBERSHIP nil Drop a multicast group membership +IP_DEFAULT_MULTICAST_TTL nil Default multicast TTL +IP_DEFAULT_MULTICAST_LOOP nil Default multicast loopback +IP_MAX_MEMBERSHIPS nil Maximum number multicast groups a socket can join +IP_ROUTER_ALERT nil Notify transit routers to more closely examine the contents of an IP packet +IP_PKTINFO nil Receive packet information with datagrams +IP_PKTOPTIONS nil Receive packet options with datagrams +IP_MTU_DISCOVER nil Path MTU discovery +IP_RECVERR nil Enable extended reliable error message passing +IP_RECVTOS nil Receive TOS with incoming packets +IP_MTU nil The Maximum Transmission Unit of the socket +IP_FREEBIND nil Allow binding to nonexistent IP addresses +IP_IPSEC_POLICY nil IPsec security policy IP_XFRM_POLICY -IP_PASSSEC -IP_PMTUDISC_DONT -IP_PMTUDISC_WANT -IP_PMTUDISC_DO -IP_UNBLOCK_SOURCE -IP_BLOCK_SOURCE -IP_ADD_SOURCE_MEMBERSHIP -IP_DROP_SOURCE_MEMBERSHIP -IP_MSFILTER - -MCAST_JOIN_GROUP -MCAST_BLOCK_SOURCE -MCAST_UNBLOCK_SOURCE -MCAST_LEAVE_GROUP -MCAST_JOIN_SOURCE_GROUP -MCAST_LEAVE_SOURCE_GROUP -MCAST_MSFILTER -MCAST_EXCLUDE -MCAST_INCLUDE - -SO_DEBUG -SO_REUSEADDR -SO_REUSEPORT -SO_TYPE -SO_ERROR -SO_DONTROUTE -SO_BROADCAST -SO_SNDBUF -SO_RCVBUF -SO_KEEPALIVE -SO_OOBINLINE -SO_NO_CHECK -SO_PRIORITY -SO_LINGER -SO_PASSCRED -SO_PEERCRED -SO_RCVLOWAT -SO_SNDLOWAT -SO_RCVTIMEO -SO_SNDTIMEO -SO_ACCEPTCONN -SO_USELOOPBACK -SO_ACCEPTFILTER -SO_DONTTRUNC -SO_WANTMORE -SO_WANTOOBFLAG -SO_NREAD -SO_NKE -SO_NOSIGPIPE +IP_PASSSEC nil Retrieve security context with datagram +IP_TRANSPARENT nil Transparent proxy +IP_PMTUDISC_DONT nil Never send DF frames +IP_PMTUDISC_WANT nil Use per-route hints +IP_PMTUDISC_DO nil Always send DF frames +IP_UNBLOCK_SOURCE nil Unblock IPv4 multicast packets with a give source address +IP_BLOCK_SOURCE nil Block IPv4 multicast packets with a give source address +IP_ADD_SOURCE_MEMBERSHIP nil Add a multicast group membership +IP_DROP_SOURCE_MEMBERSHIP nil Drop a multicast group membership +IP_MSFILTER nil Multicast source filtering + +MCAST_JOIN_GROUP nil Join a multicast group +MCAST_BLOCK_SOURCE nil Block multicast packets from this source +MCAST_UNBLOCK_SOURCE nil Unblock multicast packets from this source +MCAST_LEAVE_GROUP nil Leave a multicast group +MCAST_JOIN_SOURCE_GROUP nil Join a multicast source group +MCAST_LEAVE_SOURCE_GROUP nil Leave a multicast source group +MCAST_MSFILTER nil Multicast source filtering +MCAST_EXCLUDE nil Exclusive multicast source filter +MCAST_INCLUDE nil Inclusive multicast source filter + +SO_DEBUG nil Debug info recording +SO_REUSEADDR nil Allow local address reuse +SO_REUSEPORT nil Allow local address and port reuse +SO_TYPE nil Get the socket type +SO_ERROR nil Get and clear the error status +SO_DONTROUTE nil Use interface addresses +SO_BROADCAST nil Permit sending of broadcast messages +SO_SNDBUF nil Send buffer size +SO_RCVBUF nil Receive buffer size +SO_SNDBUFFORCE nil Send buffer size without wmem_max limit (Linux 2.6.14) +SO_RCVBUFFORCE nil Receive buffer size without rmem_max limit (Linux 2.6.14) +SO_KEEPALIVE nil Keep connections alive +SO_OOBINLINE nil Leave received out-of-band data in-line +SO_NO_CHECK nil Disable checksums +SO_PRIORITY nil The protocol-defined priority for all packets on this socket +SO_LINGER nil Linger on close if data is present +SO_PASSCRED nil Receive SCM_CREDENTIALS messages +SO_PEERCRED nil The credentials of the foreign process connected to this socket +SO_RCVLOWAT nil Receive low-water mark +SO_SNDLOWAT nil Send low-water mark +SO_RCVTIMEO nil Receive timeout +SO_SNDTIMEO nil Send timeout +SO_ACCEPTCONN nil Socket has had listen() called on it +SO_USELOOPBACK nil Bypass hardware when possible +SO_ACCEPTFILTER nil There is an accept filter +SO_USER_COOKIE nil Setting an identifier for ipfw purpose mainly +SO_DONTTRUNC nil Retain unread data +SO_WANTMORE nil Give a hint when more data is ready +SO_WANTOOBFLAG nil OOB data is wanted in MSG_FLAG on receive +SO_NREAD nil Get first packet byte count +SO_NKE nil Install socket-level Network Kernel Extension +SO_NOSIGPIPE nil Don't SIGPIPE on EPIPE SO_SECURITY_AUTHENTICATION SO_SECURITY_ENCRYPTION_TRANSPORT SO_SECURITY_ENCRYPTION_NETWORK -SO_BINDTODEVICE -SO_ATTACH_FILTER -SO_DETACH_FILTER -SO_PEERNAME -SO_TIMESTAMP -SO_TIMESTAMPNS -SO_BINTIME -SO_RECVUCRED -SO_MAC_EXEMPT -SO_ALLZONES - -SOPRI_INTERACTIVE -SOPRI_NORMAL -SOPRI_BACKGROUND +SO_BINDTODEVICE nil Only send packets from the given interface +SO_ATTACH_FILTER nil Attach an accept filter +SO_DETACH_FILTER nil Detach an accept filter +SO_GET_FILTER nil Obtain filter set by SO_ATTACH_FILTER (Linux 3.8) +SO_PEERNAME nil Name of the connecting user +SO_TIMESTAMP nil Receive timestamp with datagrams (timeval) +SO_TIMESTAMPNS nil Receive nanosecond timestamp with datagrams (timespec) +SO_BINTIME nil Receive timestamp with datagrams (bintime) +SO_RECVUCRED nil Receive user credentials with datagram +SO_MAC_EXEMPT nil Mandatory Access Control exemption for unlabeled peers +SO_ALLZONES nil Bypass zone boundaries +SO_PEERSEC nil Obtain the security credentials (Linux 2.6.2) +SO_PASSSEC nil Toggle security context passing (Linux 2.6.18) +SO_MARK nil Set the mark for mark-based routing (Linux 2.6.25) +SO_TIMESTAMPING nil Time stamping of incoming and outgoing packets (Linux 2.6.30) +SO_PROTOCOL nil Protocol given for socket() (Linux 2.6.32) +SO_DOMAIN nil Domain given for socket() (Linux 2.6.32) +SO_RXQ_OVFL nil Toggle cmsg for number of packets dropped (Linux 2.6.33) +SO_WIFI_STATUS nil Toggle cmsg for wifi status (Linux 3.3) +SO_PEEK_OFF nil Set the peek offset (Linux 3.4) +SO_NOFCS nil Set netns of a socket (Linux 3.4) +SO_LOCK_FILTER nil Lock the filter attached to a socket (Linux 3.9) +SO_SELECT_ERR_QUEUE nil Make select() detect socket error queue with errorfds (Linux 3.10) +SO_BUSY_POLL nil Set the threshold in microseconds for low latency polling (Linux 3.11) +SO_MAX_PACING_RATE nil Cap the rate computed by transport layer. [bytes per second] (Linux 3.13) +SO_BPF_EXTENSIONS nil Query supported BPF extensions (Linux 3.14) +SO_SETFIB nil Set the associated routing table for the socket (FreeBSD) +SO_RTABLE nil Set the routing table for this socket (OpenBSD) +SO_INCOMING_CPU nil Receive the cpu attached to the socket (Linux 3.19) +SO_INCOMING_NAPI_ID nil Receive the napi ID attached to a RX queue (Linux 4.12) +SO_CONNECT_TIME nil Returns the number of seconds a socket has been connected. This option is only valid for connection-oriented protocols (Windows) + +SOPRI_INTERACTIVE nil Interactive socket priority +SOPRI_NORMAL nil Normal socket priority +SOPRI_BACKGROUND nil Background socket priority IPX_TYPE -TCP_NODELAY -TCP_MAXSEG -TCP_CORK -TCP_DEFER_ACCEPT -TCP_INFO -TCP_KEEPCNT -TCP_KEEPIDLE -TCP_KEEPINTVL -TCP_LINGER2 -TCP_MD5SIG -TCP_NOOPT -TCP_NOPUSH -TCP_QUICKACK -TCP_SYNCNT -TCP_WINDOW_CLAMP - -UDP_CORK - -EAI_ADDRFAMILY -EAI_AGAIN -EAI_BADFLAGS -EAI_FAIL -EAI_FAMILY -EAI_MEMORY -EAI_NODATA -EAI_NONAME -EAI_OVERFLOW -EAI_SERVICE -EAI_SOCKTYPE -EAI_SYSTEM -EAI_BADHINTS -EAI_PROTOCOL -EAI_MAX - -AI_PASSIVE -AI_CANONNAME -AI_NUMERICHOST -AI_NUMERICSERV -AI_MASK -AI_ALL -AI_V4MAPPED_CFG -AI_ADDRCONFIG -AI_V4MAPPED -AI_DEFAULT - -NI_MAXHOST -NI_MAXSERV -NI_NOFQDN -NI_NUMERICHOST -NI_NAMEREQD -NI_NUMERICSERV -NI_DGRAM - -SHUT_RD 0 -SHUT_WR 1 -SHUT_RDWR 2 - -IPV6_JOIN_GROUP -IPV6_LEAVE_GROUP -IPV6_MULTICAST_HOPS -IPV6_MULTICAST_IF -IPV6_MULTICAST_LOOP -IPV6_UNICAST_HOPS -IPV6_V6ONLY -IPV6_CHECKSUM -IPV6_DONTFRAG -IPV6_DSTOPTS -IPV6_HOPLIMIT -IPV6_HOPOPTS -IPV6_NEXTHOP -IPV6_PATHMTU -IPV6_PKTINFO -IPV6_RECVDSTOPTS -IPV6_RECVHOPLIMIT -IPV6_RECVHOPOPTS -IPV6_RECVPKTINFO -IPV6_RECVRTHDR -IPV6_RECVTCLASS -IPV6_RTHDR -IPV6_RTHDRDSTOPTS -IPV6_RTHDR_TYPE_0 -IPV6_RECVPATHMTU -IPV6_TCLASS -IPV6_USE_MIN_MTU - -INET_ADDRSTRLEN -INET6_ADDRSTRLEN -IFNAMSIZ - -SOMAXCONN - -SCM_RIGHTS -SCM_TIMESTAMP -SCM_TIMESTAMPNS -SCM_BINTIME -SCM_CREDENTIALS -SCM_CREDS -SCM_UCRED - -LOCAL_PEERCRED -LOCAL_CREDS -LOCAL_CONNWAIT +TCP_NODELAY nil Don't delay sending to coalesce packets +TCP_MAXSEG nil Set maximum segment size +TCP_CONNECTION_INFO nil Retrieve information about this socket (macOS) +TCP_CORK nil Don't send partial frames (Linux 2.2, glibc 2.2) +TCP_DEFER_ACCEPT nil Don't notify a listening socket until data is ready (Linux 2.4, glibc 2.2) +TCP_INFO nil Retrieve information about this socket (Linux 2.4, glibc 2.2) +TCP_KEEPALIVE nil Idle time before keepalive probes are sent (macOS) +TCP_KEEPCNT nil Maximum number of keepalive probes allowed before dropping a connection (Linux 2.4, glibc 2.2) +TCP_KEEPIDLE nil Idle time before keepalive probes are sent (Linux 2.4, glibc 2.2) +TCP_KEEPINTVL nil Time between keepalive probes (Linux 2.4, glibc 2.2) +TCP_LINGER2 nil Lifetime of orphaned FIN_WAIT2 sockets (Linux 2.4, glibc 2.2) +TCP_MD5SIG nil Use MD5 digests (RFC2385, Linux 2.6.20, glibc 2.7) +TCP_NOOPT nil Don't use TCP options +TCP_NOPUSH nil Don't push the last block of write +TCP_QUICKACK nil Enable quickack mode (Linux 2.4.4, glibc 2.3) +TCP_SYNCNT nil Number of SYN retransmits before a connection is dropped (Linux 2.4, glibc 2.2) +TCP_WINDOW_CLAMP nil Clamp the size of the advertised window (Linux 2.4, glibc 2.2) +TCP_FASTOPEN nil Reduce step of the handshake process (Linux 3.7, glibc 2.18) +TCP_CONGESTION nil TCP congestion control algorithm (Linux 2.6.13, glibc 2.6) +TCP_COOKIE_TRANSACTIONS nil TCP Cookie Transactions (Linux 2.6.33, glibc 2.18) +TCP_QUEUE_SEQ nil Sequence of a queue for repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR nil Repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR_OPTIONS nil Options for repair mode (Linux 3.5, glibc 2.18) +TCP_REPAIR_QUEUE nil Queue for repair mode (Linux 3.5, glibc 2.18) +TCP_THIN_DUPACK nil Duplicated acknowledgments handling for thin-streams (Linux 2.6.34, glibc 2.18) +TCP_THIN_LINEAR_TIMEOUTS nil Linear timeouts for thin-streams (Linux 2.6.34, glibc 2.18) +TCP_TIMESTAMP nil TCP timestamp (Linux 3.9, glibc 2.18) +TCP_USER_TIMEOUT nil Max timeout before a TCP connection is aborted (Linux 2.6.37, glibc 2.18) + +UDP_CORK nil Don't send partial frames (Linux 2.5.44, glibc 2.11) + +EAI_ADDRFAMILY nil Address family for hostname not supported +EAI_AGAIN nil Temporary failure in name resolution +EAI_BADFLAGS nil Invalid flags +EAI_FAIL nil Non-recoverable failure in name resolution +EAI_FAMILY nil Address family not supported +EAI_MEMORY nil Memory allocation failure +EAI_NODATA nil No address associated with hostname +EAI_NONAME nil Hostname nor servname, or not known +EAI_OVERFLOW nil Argument buffer overflow +EAI_SERVICE nil Servname not supported for socket type +EAI_SOCKTYPE nil Socket type not supported +EAI_SYSTEM nil System error returned in errno +EAI_BADHINTS nil Invalid value for hints +EAI_PROTOCOL nil Resolved protocol is unknown +EAI_MAX nil Maximum error code from getaddrinfo + +AI_PASSIVE nil Get address to use with bind() +AI_CANONNAME nil Fill in the canonical name +AI_NUMERICHOST nil Prevent host name resolution +AI_NUMERICSERV nil Prevent service name resolution +AI_MASK nil Valid flag mask for getaddrinfo (not for application use) +AI_ALL nil Allow all addresses +AI_V4MAPPED_CFG nil Accept IPv4 mapped addresses if the kernel supports it +AI_ADDRCONFIG nil Accept only if any address is assigned +AI_V4MAPPED nil Accept IPv4-mapped IPv6 addresses +AI_DEFAULT nil Default flags for getaddrinfo + +NI_MAXHOST nil Maximum length of a hostname +NI_MAXSERV nil Maximum length of a service name +NI_NOFQDN nil An FQDN is not required for local hosts, return only the local part +NI_NUMERICHOST nil Return a numeric address +NI_NAMEREQD nil A name is required +NI_NUMERICSERV nil Return the service name as a digit string +NI_DGRAM nil The service specified is a datagram service (looks up UDP ports) + +SHUT_RD 0 Shut down the reading side of the socket +SHUT_WR 1 Shut down the writing side of the socket +SHUT_RDWR 2 Shut down the both sides of the socket + +IPV6_JOIN_GROUP nil Join a group membership +IPV6_LEAVE_GROUP nil Leave a group membership +IPV6_MTU_DISCOVER nil Path MTU discovery +IPV6_MULTICAST_HOPS nil IP6 multicast hops +IPV6_MULTICAST_IF nil IP6 multicast interface +IPV6_MULTICAST_LOOP nil IP6 multicast loopback +IPV6_UNICAST_HOPS nil IP6 unicast hops +IPV6_V6ONLY nil Only bind IPv6 with a wildcard bind +IPV6_CHECKSUM nil Checksum offset for raw sockets +IPV6_DONTFRAG nil Don't fragment packets +IPV6_DSTOPTS nil Destination option +IPV6_HOPLIMIT nil Hop limit +IPV6_HOPOPTS nil Hop-by-hop option +IPV6_NEXTHOP nil Next hop address +IPV6_PATHMTU nil Retrieve current path MTU +IPV6_PKTINFO nil Receive packet information with datagram +IPV6_RECVDSTOPTS nil Receive all IP6 options for response +IPV6_RECVERR nil Enable extended reliable error message passing +IPV6_RECVHOPLIMIT nil Receive hop limit with datagram +IPV6_RECVHOPOPTS nil Receive hop-by-hop options +IPV6_RECVPKTINFO nil Receive destination IP address and incoming interface +IPV6_RECVRTHDR nil Receive routing header +IPV6_RECVTCLASS nil Receive traffic class +IPV6_RTHDR nil Allows removal of sticky routing headers +IPV6_RTHDRDSTOPTS nil Allows removal of sticky destination options header +IPV6_RTHDR_TYPE_0 nil Routing header type 0 +IPV6_RECVPATHMTU nil Receive current path MTU with datagram +IPV6_TCLASS nil Specify the traffic class +IPV6_USE_MIN_MTU nil Use the minimum MTU size + +INET_ADDRSTRLEN 16 Maximum length of an IPv4 address string +INET6_ADDRSTRLEN 46 Maximum length of an IPv6 address string +IFNAMSIZ nil Maximum interface name size +IF_NAMESIZE nil Maximum interface name size + +SOMAXCONN 5 Maximum connection requests that may be queued for a socket + +SCM_RIGHTS nil Access rights +SCM_TIMESTAMP nil Timestamp (timeval) +SCM_TIMESTAMPNS nil Timespec (timespec) +SCM_TIMESTAMPING nil Timestamp (timespec list) (Linux 2.6.30) +SCM_BINTIME nil Timestamp (bintime) +SCM_CREDENTIALS nil The sender's credentials +SCM_CREDS nil Process credentials +SCM_UCRED nil User credentials +SCM_WIFI_STATUS nil Wifi status (Linux 3.3) + +LOCAL_PEERCRED nil Retrieve peer credentials +LOCAL_CREDS nil Pass credentials to receiver +LOCAL_CONNWAIT nil Connect blocks until accepted + +IFF_802_1Q_VLAN nil 802.1Q VLAN device +IFF_ALLMULTI nil receive all multicast packets +IFF_ALTPHYS nil use alternate physical connection +IFF_AUTOMEDIA nil auto media select active +IFF_BONDING nil bonding master or slave +IFF_BRIDGE_PORT nil device used as bridge port +IFF_BROADCAST nil broadcast address valid +IFF_CANTCONFIG nil unconfigurable using ioctl(2) +IFF_DEBUG nil turn on debugging +IFF_DISABLE_NETPOLL nil disable netpoll at run-time +IFF_DONT_BRIDGE nil disallow bridging this ether dev +IFF_DORMANT nil driver signals dormant +IFF_DRV_OACTIVE nil tx hardware queue is full +IFF_DRV_RUNNING nil resources allocated +IFF_DYING nil interface is winding down +IFF_DYNAMIC nil dialup device with changing addresses +IFF_EBRIDGE nil ethernet bridging device +IFF_ECHO nil echo sent packets +IFF_ISATAP nil ISATAP interface (RFC4214) +IFF_LINK0 nil per link layer defined bit 0 +IFF_LINK1 nil per link layer defined bit 1 +IFF_LINK2 nil per link layer defined bit 2 +IFF_LIVE_ADDR_CHANGE nil hardware address change when it's running +IFF_LOOPBACK nil loopback net +IFF_LOWER_UP nil driver signals L1 up +IFF_MACVLAN_PORT nil device used as macvlan port +IFF_MASTER nil master of a load balancer +IFF_MASTER_8023AD nil bonding master, 802.3ad. +IFF_MASTER_ALB nil bonding master, balance-alb. +IFF_MASTER_ARPMON nil bonding master, ARP mon in use +IFF_MONITOR nil user-requested monitor mode +IFF_MULTICAST nil supports multicast +IFF_NOARP nil no address resolution protocol +IFF_NOTRAILERS nil avoid use of trailers +IFF_OACTIVE nil transmission in progress +IFF_OVS_DATAPATH nil device used as Open vSwitch datapath port +IFF_POINTOPOINT nil point-to-point link +IFF_PORTSEL nil can set media type +IFF_PPROMISC nil user-requested promisc mode +IFF_PROMISC nil receive all packets +IFF_RENAMING nil interface is being renamed +IFF_ROUTE nil routing entry installed +IFF_RUNNING nil resources allocated +IFF_SIMPLEX nil can't hear own transmissions +IFF_SLAVE nil slave of a load balancer +IFF_SLAVE_INACTIVE nil bonding slave not the curr. active +IFF_SLAVE_NEEDARP nil need ARPs for validation +IFF_SMART nil interface manages own routes +IFF_STATICARP nil static ARP +IFF_SUPP_NOFCS nil sending custom FCS +IFF_TEAM_PORT nil used as team port +IFF_TX_SKB_SHARING nil sharing skbs on transmit +IFF_UNICAST_FLT nil unicast filtering +IFF_UP nil interface is up +IFF_WAN_HDLC nil WAN HDLC device +IFF_XMIT_DST_RELEASE nil dev_hard_start_xmit() is allowed to release skb->dst +IFF_VOLATILE nil volatile flags +IFF_CANTCHANGE nil flags not changeable diff --git a/ext/socket/option.c b/ext/socket/option.c index d1d557db14..0d818d0c70 100644 --- a/ext/socket/option.c +++ b/ext/socket/option.c @@ -2,6 +2,51 @@ VALUE rb_cSockOpt; +#define pack_var(v) rb_str_new((const char *)&(v), sizeof(v)) + +#define CAT(x,y) x##y +#define XCAT(x,y) CAT(x,y) + +#if defined(__linux__) || \ + defined(__GNU__) /* GNU/Hurd */ || \ + defined(__FreeBSD__) || \ + defined(__DragonFly__) || \ + defined(__APPLE__) || \ + defined(_WIN32) || \ + defined(__CYGWIN__) +# define TYPE_IP_MULTICAST_LOOP int +# define TYPE_IP_MULTICAST_TTL int +#else +/* The original IP multicast implementation by Steve Deering + * NetBSD + * OpenBSD + * SunOS + */ +# define TYPE_IP_MULTICAST_LOOP byte +# define TYPE_IP_MULTICAST_TTL byte +# define USE_INSPECT_BYTE 1 +#endif + +#define check_size(len, size) \ + ((len) == (size) ? \ + (void)0 : \ + rb_raise(rb_eTypeError, "size differ. expected as "#size"=%d but %ld", \ + (int)size, (long)(len))) + +static VALUE +sockopt_pack_byte(VALUE value) +{ + char i = NUM2CHR(rb_to_int(value)); + return pack_var(i); +} + +static VALUE +sockopt_pack_int(VALUE value) +{ + int i = NUM2INT(rb_to_int(value)); + return pack_var(i); +} + static VALUE constant_to_sym(int constant, ID (*intern_const)(int)) { @@ -21,7 +66,7 @@ optname_to_sym(int level, int optname) return constant_to_sym(optname, rsock_intern_so_optname); case IPPROTO_IP: return constant_to_sym(optname, rsock_intern_ip_optname); -#ifdef INET6 +#ifdef IPPROTO_IPV6 case IPPROTO_IPV6: return constant_to_sym(optname, rsock_intern_ipv6_optname); #endif @@ -61,10 +106,9 @@ sockopt_initialize(VALUE self, VALUE vfamily, VALUE vlevel, VALUE voptname, VALU VALUE rsock_sockopt_new(int family, int level, int optname, VALUE data) { - NEWOBJ(obj, struct RObject); - OBJSETUP(obj, rb_cSockOpt, T_OBJECT); + VALUE obj = rb_obj_alloc(rb_cSockOpt); StringValue(data); - sockopt_initialize((VALUE)obj, INT2NUM(family), INT2NUM(level), INT2NUM(optname), data); + sockopt_initialize(obj, INT2NUM(family), INT2NUM(level), INT2NUM(optname), data); return (VALUE)obj; } @@ -128,6 +172,7 @@ sockopt_optname_m(VALUE self) /* * call-seq: * sockopt.data => string + * sockopt.to_s => string * * returns the socket option data as a string. * @@ -144,11 +189,47 @@ sockopt_data(VALUE self) /* * call-seq: + * Socket::Option.byte(family, level, optname, integer) => sockopt + * + * Creates a new Socket::Option object which contains a byte as data. + * + * p Socket::Option.byte(:INET, :SOCKET, :KEEPALIVE, 1) + * #=> #<Socket::Option: INET SOCKET KEEPALIVE 1> + */ +static VALUE +sockopt_s_byte(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE vint) +{ + int family = rsock_family_arg(vfamily); + int level = rsock_level_arg(family, vlevel); + int optname = rsock_optname_arg(family, level, voptname); + return rsock_sockopt_new(family, level, optname, sockopt_pack_byte(vint)); +} + +/* + * call-seq: + * sockopt.byte => integer + * + * Returns the data in _sockopt_ as an byte. + * + * sockopt = Socket::Option.byte(:INET, :SOCKET, :KEEPALIVE, 1) + * p sockopt.byte => 1 + */ +static VALUE +sockopt_byte(VALUE self) +{ + VALUE data = sockopt_data(self); + StringValue(data); + check_size(RSTRING_LEN(data), sizeof(char)); + return CHR2FIX(*RSTRING_PTR(data)); +} + +/* + * call-seq: * Socket::Option.int(family, level, optname, integer) => sockopt * * Creates a new Socket::Option object which contains an int as data. * - * The size and endian is dependent on the host. + * The size and endian is dependent on the platform. * * p Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 1) * #=> #<Socket::Option: INET SOCKET KEEPALIVE 1> @@ -159,8 +240,7 @@ sockopt_s_int(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE vi int family = rsock_family_arg(vfamily); int level = rsock_level_arg(family, vlevel); int optname = rsock_optname_arg(family, level, voptname); - int i = NUM2INT(vint); - return rsock_sockopt_new(family, level, optname, rb_str_new((char*)&i, sizeof(i))); + return rsock_sockopt_new(family, level, optname, sockopt_pack_int(vint)); } /* @@ -169,7 +249,7 @@ sockopt_s_int(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE vi * * Returns the data in _sockopt_ as an int. * - * The size and endian is dependent on the host. + * The size and endian is dependent on the platform. * * sockopt = Socket::Option.int(:INET, :SOCKET, :KEEPALIVE, 1) * p sockopt.int => 1 @@ -180,9 +260,7 @@ sockopt_int(VALUE self) int i; VALUE data = sockopt_data(self); StringValue(data); - if (RSTRING_LEN(data) != sizeof(int)) - rb_raise(rb_eTypeError, "size differ. expected as sizeof(int)=%d but %ld", - (int)sizeof(int), (long)RSTRING_LEN(data)); + check_size(RSTRING_LEN(data), sizeof(int)); memcpy((char*)&i, RSTRING_PTR(data), sizeof(int)); return INT2NUM(i); } @@ -194,6 +272,8 @@ sockopt_int(VALUE self) * Creates a new Socket::Option object which contains boolean as data. * Actually 0 or 1 as int is used. * + * require 'socket' + * * p Socket::Option.bool(:INET, :SOCKET, :KEEPALIVE, true) * #=> #<Socket::Option: INET SOCKET KEEPALIVE 1> * @@ -208,7 +288,7 @@ sockopt_s_bool(VALUE klass, VALUE vfamily, VALUE vlevel, VALUE voptname, VALUE v int level = rsock_level_arg(family, vlevel); int optname = rsock_optname_arg(family, level, voptname); int i = RTEST(vbool) ? 1 : 0; - return rsock_sockopt_new(family, level, optname, rb_str_new((char*)&i, sizeof(i))); + return rsock_sockopt_new(family, level, optname, pack_var(i)); } /* @@ -224,12 +304,15 @@ static VALUE sockopt_bool(VALUE self) { int i; + long len; VALUE data = sockopt_data(self); StringValue(data); - if (RSTRING_LEN(data) != sizeof(int)) - rb_raise(rb_eTypeError, "size differ. expected as sizeof(int)=%d but %ld", - (int)sizeof(int), (long)RSTRING_LEN(data)); - memcpy((char*)&i, RSTRING_PTR(data), sizeof(int)); + len = RSTRING_LEN(data); + if (len == 1) { + return *RSTRING_PTR(data) == 0 ? Qfalse : Qtrue; + } + check_size(len, sizeof(int)); + memcpy((char*)&i, RSTRING_PTR(data), len); return i == 0 ? Qfalse : Qtrue; } @@ -258,7 +341,7 @@ sockopt_s_linger(VALUE klass, VALUE vonoff, VALUE vsecs) else l.l_onoff = RTEST(vonoff) ? 1 : 0; l.l_linger = NUM2INT(vsecs); - return rsock_sockopt_new(AF_UNSPEC, SOL_SOCKET, SO_LINGER, rb_str_new((char*)&l, sizeof(l))); + return rsock_sockopt_new(AF_UNSPEC, SOL_SOCKET, SO_LINGER, pack_var(l)); } /* @@ -280,10 +363,8 @@ sockopt_linger(VALUE self) VALUE vonoff, vsecs; if (level != SOL_SOCKET || optname != SO_LINGER) - rb_raise(rb_eTypeError, "linger socket option expected"); - if (RSTRING_LEN(data) != sizeof(l)) - rb_raise(rb_eTypeError, "size differ. expected as sizeof(struct linger)=%d but %ld", - (int)sizeof(struct linger), (long)RSTRING_LEN(data)); + rb_raise(rb_eTypeError, "linger socket option expected"); + check_size(RSTRING_LEN(data), sizeof(struct linger)); memcpy((char*)&l, RSTRING_PTR(data), sizeof(struct linger)); switch (l.l_onoff) { case 0: vonoff = Qfalse; break; @@ -294,6 +375,112 @@ sockopt_linger(VALUE self) return rb_assoc_new(vonoff, vsecs); } +/* + * call-seq: + * Socket::Option.ipv4_multicast_loop(integer) => sockopt + * + * Creates a new Socket::Option object for IP_MULTICAST_LOOP. + * + * The size is dependent on the platform. + * + * sockopt = Socket::Option.int(:INET, :IPPROTO_IP, :IP_MULTICAST_LOOP, 1) + * p sockopt.int => 1 + * + * p Socket::Option.ipv4_multicast_loop(10) + * #=> #<Socket::Option: INET IP MULTICAST_LOOP 10> + * + */ +static VALUE +sockopt_s_ipv4_multicast_loop(VALUE klass, VALUE value) +{ + +#if defined(IPPROTO_IP) && defined(IP_MULTICAST_LOOP) + VALUE o = XCAT(sockopt_pack_,TYPE_IP_MULTICAST_LOOP)(value); + return rsock_sockopt_new(AF_INET, IPPROTO_IP, IP_MULTICAST_LOOP, o); +#else +# error IPPROTO_IP or IP_MULTICAST_LOOP is not implemented +#endif +} + +/* + * call-seq: + * sockopt.ipv4_multicast_loop => integer + * + * Returns the ipv4_multicast_loop data in _sockopt_ as an integer. + * + * sockopt = Socket::Option.ipv4_multicast_loop(10) + * p sockopt.ipv4_multicast_loop => 10 + */ +static VALUE +sockopt_ipv4_multicast_loop(VALUE self) +{ + int family = NUM2INT(sockopt_family_m(self)); + int level = sockopt_level(self); + int optname = sockopt_optname(self); + +#if defined(IPPROTO_IP) && defined(IP_MULTICAST_LOOP) + if (family == AF_INET && level == IPPROTO_IP && optname == IP_MULTICAST_LOOP) { + return XCAT(sockopt_,TYPE_IP_MULTICAST_LOOP)(self); + } +#endif + rb_raise(rb_eTypeError, "ipv4_multicast_loop socket option expected"); + UNREACHABLE_RETURN(Qnil); +} + +#define inspect_ipv4_multicast_loop(a,b,c,d) \ + XCAT(inspect_,TYPE_IP_MULTICAST_LOOP)(a,b,c,d) + +/* + * call-seq: + * Socket::Option.ipv4_multicast_ttl(integer) => sockopt + * + * Creates a new Socket::Option object for IP_MULTICAST_TTL. + * + * The size is dependent on the platform. + * + * p Socket::Option.ipv4_multicast_ttl(10) + * #=> #<Socket::Option: INET IP MULTICAST_TTL 10> + * + */ +static VALUE +sockopt_s_ipv4_multicast_ttl(VALUE klass, VALUE value) +{ +#if defined(IPPROTO_IP) && defined(IP_MULTICAST_TTL) + VALUE o = XCAT(sockopt_pack_,TYPE_IP_MULTICAST_TTL)(value); + return rsock_sockopt_new(AF_INET, IPPROTO_IP, IP_MULTICAST_TTL, o); +#else +# error IPPROTO_IP or IP_MULTICAST_TTL is not implemented +#endif +} + +/* + * call-seq: + * sockopt.ipv4_multicast_ttl => integer + * + * Returns the ipv4_multicast_ttl data in _sockopt_ as an integer. + * + * sockopt = Socket::Option.ipv4_multicast_ttl(10) + * p sockopt.ipv4_multicast_ttl => 10 + */ +static VALUE +sockopt_ipv4_multicast_ttl(VALUE self) +{ + int family = NUM2INT(sockopt_family_m(self)); + int level = sockopt_level(self); + int optname = sockopt_optname(self); + +#if defined(IPPROTO_IP) && defined(IP_MULTICAST_TTL) + if (family == AF_INET && level == IPPROTO_IP && optname == IP_MULTICAST_TTL) { + return XCAT(sockopt_,TYPE_IP_MULTICAST_TTL)(self); + } +#endif + rb_raise(rb_eTypeError, "ipv4_multicast_ttl socket option expected"); + UNREACHABLE_RETURN(Qnil); +} + +#define inspect_ipv4_multicast_ttl(a,b,c,d) \ + XCAT(inspect_,TYPE_IP_MULTICAST_TTL)(a,b,c,d) + static int inspect_int(int level, int optname, VALUE data, VALUE ret) { @@ -308,6 +495,20 @@ inspect_int(int level, int optname, VALUE data, VALUE ret) } } +#ifdef USE_INSPECT_BYTE +static int +inspect_byte(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(unsigned char)) { + rb_str_catf(ret, " %d", (unsigned char)*RSTRING_PTR(data)); + return 1; + } + else { + return 0; + } +} +#endif + static int inspect_errno(int level, int optname, VALUE data, VALUE ret) { @@ -324,7 +525,7 @@ inspect_errno(int level, int optname, VALUE data, VALUE ret) } } -#if defined(IPV6_MULTICAST_IF) || defined(IPV6_MULTICAST_LOOP) +#if defined(IPV6_MULTICAST_LOOP) static int inspect_uint(int level, int optname, VALUE data, VALUE ret) { @@ -396,15 +597,560 @@ inspect_timeval_as_interval(int level, int optname, VALUE data, VALUE ret) } } -#if defined(SOL_SOCKET) && defined(SO_PEERCRED) /* GNU/Linux */ +/* + * socket option for IPv4 multicast is bit confusing. + * + * IP Multicast is implemented by Steve Deering at first: + * IP Multicast Extensions for 4.3BSD UNIX and related systems + * (MULTICAST 1.2 Release) + * http://www.kohala.com/start/mcast.api.txt + * + * There are 2 socket options which takes a u_char (unsigned char). + * + * IP_MULTICAST_TTL + * IP_MULTICAST_LOOP + * + * However Linux and FreeBSD setsockname accepts int argument + * as well as u_char. + * Their getsockname returns int. + * + * There are 3 socket options which takes a struct. + * + * IP_MULTICAST_IF: struct in_addr + * IP_ADD_MEMBERSHIP: struct ip_mreq + * IP_DROP_MEMBERSHIP: struct ip_mreq + * + * But they uses an IP address to specify an interface. + * This means the API cannot specify an unnumbered interface. + * + * Linux 2.4 introduces struct ip_mreqn to fix this problem. + * struct ip_mreqn has imr_ifindex field to specify interface index. + * + * IP_MULTICAST_IF: struct ip_mreqn + * IP_ADD_MEMBERSHIP: struct ip_mreqn + * IP_DROP_MEMBERSHIP: struct ip_mreqn + * + * FreeBSD 7 obtained struct ip_mreqn for IP_MULTICAST_IF. + * http://www.FreeBSD.org/cgi/cvsweb.cgi/src/sys/netinet/in.h.diff?r1=1.99;r2=1.100 + * + * Another hackish workaround is "RFC 1724 hack". + * RFC 1724 section 3.3 suggests unnumbered interfaces + * specified by pseudo address 0.0.0.0/8. + * NetBSD 4 and FreeBSD 5 documented it. + * http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/share/man/man4/ip.4.diff?r1=1.16&r2=1.17 + * http://www.FreeBSD.org/cgi/cvsweb.cgi/src/share/man/man4/ip.4.diff?r1=1.37;r2=1.38 + * FreeBSD 7.0 removed it. + * http://www.FreeBSD.org/cgi/cvsweb.cgi/src/share/man/man4/ip.4.diff?r1=1.49;r2=1.50 + * + * RFC 1724 hack is not supported by Socket::Option#inspect because + * it is not distinguishable by the size. + */ + +#if !defined HAVE_INET_NTOP && ! defined _WIN32 +const char * +inet_ntop(int af, const void *addr, char *numaddr, size_t numaddr_len) +{ +#ifdef HAVE_INET_NTOA + struct in_addr in; + memcpy(&in.s_addr, addr, sizeof(in.s_addr)); + snprintf(numaddr, numaddr_len, "%s", inet_ntoa(in)); +#else + unsigned long x = ntohl(*(unsigned long*)addr); + snprintf(numaddr, numaddr_len, "%d.%d.%d.%d", + (int) (x>>24) & 0xff, (int) (x>>16) & 0xff, + (int) (x>> 8) & 0xff, (int) (x>> 0) & 0xff); +#endif + return numaddr; +} +#endif + +/* Although the buffer size needed depends on the prefixes, "%u" may generate "4294967295". */ +static int +rb_if_indextoname(const char *succ_prefix, const char *fail_prefix, unsigned int ifindex, char *buf, size_t len) +{ +#if defined(HAVE_IF_INDEXTONAME) + char ifbuf[IFNAMSIZ]; + if (if_indextoname(ifindex, ifbuf)) + return snprintf(buf, len, "%s%s", succ_prefix, ifbuf); + else + return snprintf(buf, len, "%s%u", fail_prefix, ifindex); +#else +# ifndef IFNAMSIZ +# define IFNAMSIZ (sizeof(unsigned int)*3+1) +# endif + return snprintf(buf, len, "%s%u", fail_prefix, ifindex); +#endif +} + +#if defined(IPPROTO_IP) && defined(HAVE_TYPE_STRUCT_IP_MREQ) /* 4.4BSD, GNU/Linux */ +static int +inspect_ipv4_mreq(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct ip_mreq)) { + struct ip_mreq s; + char addrbuf[INET_ADDRSTRLEN]; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); + if (inet_ntop(AF_INET, &s.imr_multiaddr, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_cat2(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + if (inet_ntop(AF_INET, &s.imr_interface, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_catf(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + return 1; + } + else { + return 0; + } +} +#endif + +#if defined(IPPROTO_IP) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* GNU/Linux, FreeBSD 7 */ +static int +inspect_ipv4_mreqn(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct ip_mreqn)) { + struct ip_mreqn s; + char addrbuf[INET_ADDRSTRLEN], ifbuf[32+IFNAMSIZ]; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); + if (inet_ntop(AF_INET, &s.imr_multiaddr, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_cat2(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + if (inet_ntop(AF_INET, &s.imr_address, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_catf(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + rb_if_indextoname(" ", " ifindex:", s.imr_ifindex, ifbuf, sizeof(ifbuf)); + rb_str_cat2(ret, ifbuf); + return 1; + } + else { + return 0; + } +} +#endif + +#if defined(IPPROTO_IP) && defined(HAVE_TYPE_STRUCT_IP_MREQ) /* 4.4BSD, GNU/Linux */ +static int +inspect_ipv4_add_drop_membership(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct ip_mreq)) + return inspect_ipv4_mreq(level, optname, data, ret); +# if defined(HAVE_TYPE_STRUCT_IP_MREQN) + else if (RSTRING_LEN(data) == sizeof(struct ip_mreqn)) + return inspect_ipv4_mreqn(level, optname, data, ret); +# endif + else + return 0; +} +#endif + +#if defined(IPPROTO_IP) && defined(IP_MULTICAST_IF) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* 4.4BSD, GNU/Linux */ +static int +inspect_ipv4_multicast_if(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct in_addr)) { + struct in_addr s; + char addrbuf[INET_ADDRSTRLEN]; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); + if (inet_ntop(AF_INET, &s, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_cat2(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + return 1; + } + else if (RSTRING_LEN(data) == sizeof(struct ip_mreqn)) { + return inspect_ipv4_mreqn(level, optname, data, ret); + } + else { + return 0; + } +} +#endif + +#if defined(IPV6_MULTICAST_IF) /* POSIX, RFC 3493 */ +static int +inspect_ipv6_multicast_if(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(int)) { + char ifbuf[32+IFNAMSIZ]; + unsigned int ifindex; + memcpy((char*)&ifindex, RSTRING_PTR(data), sizeof(unsigned int)); + rb_if_indextoname(" ", " ", ifindex, ifbuf, sizeof(ifbuf)); + rb_str_cat2(ret, ifbuf); + return 1; + } + else { + return 0; + } +} +#endif + +#if defined(IPPROTO_IPV6) && defined(HAVE_TYPE_STRUCT_IPV6_MREQ) /* POSIX, RFC 3493 */ +static int +inspect_ipv6_mreq(int level, int optname, VALUE data, VALUE ret) +{ + if (RSTRING_LEN(data) == sizeof(struct ipv6_mreq)) { + struct ipv6_mreq s; + char addrbuf[INET6_ADDRSTRLEN], ifbuf[32+IFNAMSIZ]; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); + if (inet_ntop(AF_INET6, &s.ipv6mr_multiaddr, addrbuf, (socklen_t)sizeof(addrbuf)) == NULL) + rb_str_cat2(ret, " invalid-address"); + else + rb_str_catf(ret, " %s", addrbuf); + rb_if_indextoname(" ", " interface:", s.ipv6mr_interface, ifbuf, sizeof(ifbuf)); + rb_str_cat2(ret, ifbuf); + return 1; + } + else { + return 0; + } +} +#endif + +#if defined(IPPROTO_TCP) && defined(TCP_INFO) && defined(HAVE_TYPE_STRUCT_TCP_INFO) + +#ifdef __FreeBSD__ +# ifndef HAVE_CONST_TCP_ESTABLISHED +# define TCP_ESTABLISHED TCPS_ESTABLISHED +# endif +# ifndef HAVE_CONST_TCP_SYN_SENT +# define TCP_SYN_SENT TCPS_SYN_SENT +# endif +# ifndef HAVE_CONST_TCP_SYN_RECV +# define TCP_SYN_RECV TCPS_SYN_RECEIVED +# endif +# ifndef HAVE_CONST_TCP_FIN_WAIT1 +# define TCP_FIN_WAIT1 TCPS_FIN_WAIT_1 +# endif +# ifndef HAVE_CONST_TCP_FIN_WAIT2 +# define TCP_FIN_WAIT2 TCPS_FIN_WAIT_2 +# endif +# ifndef HAVE_CONST_TCP_TIME_WAIT +# define TCP_TIME_WAIT TCPS_TIME_WAIT +# endif +# ifndef HAVE_CONST_TCP_CLOSE +# define TCP_CLOSE TCPS_CLOSED +# endif +# ifndef HAVE_CONST_TCP_CLOSE_WAIT +# define TCP_CLOSE_WAIT TCPS_CLOSE_WAIT +# endif +# ifndef HAVE_CONST_TCP_LAST_ACK +# define TCP_LAST_ACK TCPS_LAST_ACK +# endif +# ifndef HAVE_CONST_TCP_LISTEN +# define TCP_LISTEN TCPS_LISTEN +# endif +# ifndef HAVE_CONST_TCP_CLOSING +# define TCP_CLOSING TCPS_CLOSING +# endif +#endif + +#if defined(HAVE_CONST_TCP_ESTABLISHED) && !defined(TCP_ESTABLISHED) +# define TCP_ESTABLISHED TCP_ESTABLISHED +#endif +#if defined(HAVE_CONST_TCP_SYN_SENT) && !defined(TCP_SYN_SENT) +# define TCP_SYN_SENT TCP_SYN_SENT +#endif +#if defined(HAVE_CONST_TCP_SYN_RECV) && !defined(TCP_SYN_RECV) +# define TCP_SYN_RECV TCP_SYN_RECV +#endif +#if defined(HAVE_CONST_TCP_FIN_WAIT1) && !defined(TCP_FIN_WAIT1) +# define TCP_FIN_WAIT1 TCP_FIN_WAIT1 +#endif +#if defined(HAVE_CONST_TCP_FIN_WAIT2) && !defined(TCP_FIN_WAIT2) +# define TCP_FIN_WAIT2 TCP_FIN_WAIT2 +#endif +#if defined(HAVE_CONST_TCP_TIME_WAIT) && !defined(TCP_TIME_WAIT) +# define TCP_TIME_WAIT TCP_TIME_WAIT +#endif +#if defined(HAVE_CONST_TCP_CLOSE) && !defined(TCP_CLOSE) +# define TCP_CLOSE TCP_CLOSE +#endif +#if defined(HAVE_CONST_TCP_CLOSE_WAIT) && !defined(TCP_CLOSE_WAIT) +# define TCP_CLOSE_WAIT TCP_CLOSE_WAIT +#endif +#if defined(HAVE_CONST_TCP_LAST_ACK) && !defined(TCP_LAST_ACK) +# define TCP_LAST_ACK TCP_LAST_ACK +#endif +#if defined(HAVE_CONST_TCP_LISTEN) && !defined(TCP_LISTEN) +# define TCP_LISTEN TCP_LISTEN +#endif +#if defined(HAVE_CONST_TCP_CLOSING) && !defined(TCP_CLOSING) +# define TCP_CLOSING TCP_CLOSING +#endif + +static void +inspect_tcpi_options(VALUE ret, uint8_t options) +{ + int sep = '='; + + rb_str_cat2(ret, " options"); +#define INSPECT_TCPI_OPTION(optval, name) \ + if (options & (optval)) { \ + options &= ~(uint8_t)(optval); \ + rb_str_catf(ret, "%c%s", sep, name); \ + sep = ','; \ + } +#ifdef TCPI_OPT_TIMESTAMPS /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_TIMESTAMPS, "TIMESTAMPS"); +#endif +#ifdef TCPI_OPT_SACK /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_SACK, "SACK"); +#endif +#ifdef TCPI_OPT_WSCALE /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_WSCALE, "WSCALE"); +#endif +#ifdef TCPI_OPT_ECN /* GNU/Linux, FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_ECN, "ECN"); +#endif +#ifdef TCPI_OPT_ECN_SEEN /* GNU/Linux */ + INSPECT_TCPI_OPTION(TCPI_OPT_ECN_SEEN, "ECN_SEEN"); +#endif +#ifdef TCPI_OPT_SYN_DATA /* GNU/Linux */ + INSPECT_TCPI_OPTION(TCPI_OPT_SYN_DATA, "SYN_DATA"); +#endif +#ifdef TCPI_OPT_TOE /* FreeBSD */ + INSPECT_TCPI_OPTION(TCPI_OPT_TOE, "TOE"); +#endif +#undef INSPECT_TCPI_OPTION + + if (options || sep == '=') { + rb_str_catf(ret, "%c%u", sep, options); + } +} + +static void +inspect_tcpi_usec(VALUE ret, const char *prefix, uint32_t t) +{ + rb_str_catf(ret, "%s%u.%06us", prefix, t / 1000000, t % 1000000); +} + +#if !defined __FreeBSD__ && ( \ + defined HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_SENT || \ + defined HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_RECV || \ + defined HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_SENT || \ + defined HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_RECV || \ + 0) +static void +inspect_tcpi_msec(VALUE ret, const char *prefix, uint32_t t) +{ + rb_str_catf(ret, "%s%u.%03us", prefix, t / 1000, t % 1000); +} +#endif + +#ifdef __FreeBSD__ +# define inspect_tcpi_rto(ret, t) inspect_tcpi_usec(ret, " rto=", t) +# define inspect_tcpi_last_data_recv(ret, t) inspect_tcpi_usec(ret, " last_data_recv=", t) +# define inspect_tcpi_rtt(ret, t) inspect_tcpi_usec(ret, " rtt=", t) +# define inspect_tcpi_rttvar(ret, t) inspect_tcpi_usec(ret, " rttvar=", t) +#else +# define inspect_tcpi_rto(ret, t) inspect_tcpi_usec(ret, " rto=", t) +# define inspect_tcpi_ato(ret, t) inspect_tcpi_usec(ret, " ato=", t) +# define inspect_tcpi_last_data_sent(ret, t) inspect_tcpi_msec(ret, " last_data_sent=", t) +# define inspect_tcpi_last_data_recv(ret, t) inspect_tcpi_msec(ret, " last_data_recv=", t) +# define inspect_tcpi_last_ack_sent(ret, t) inspect_tcpi_msec(ret, " last_ack_sent=", t) +# define inspect_tcpi_last_ack_recv(ret, t) inspect_tcpi_msec(ret, " last_ack_recv=", t) +# define inspect_tcpi_rtt(ret, t) inspect_tcpi_usec(ret, " rtt=", t) +# define inspect_tcpi_rttvar(ret, t) inspect_tcpi_usec(ret, " rttvar=", t) +# define inspect_tcpi_rcv_rtt(ret, t) inspect_tcpi_usec(ret, " rcv_rtt=", t) +#endif + +static int +inspect_tcp_info(int level, int optname, VALUE data, VALUE ret) +{ + size_t actual_size = RSTRING_LEN(data); + if (sizeof(struct tcp_info) <= actual_size) { + struct tcp_info s; + memcpy((char*)&s, RSTRING_PTR(data), sizeof(s)); +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_STATE + switch (s.tcpi_state) { +# ifdef TCP_ESTABLISHED + case TCP_ESTABLISHED: rb_str_cat_cstr(ret, " state=ESTABLISHED"); break; +# endif +# ifdef TCP_SYN_SENT + case TCP_SYN_SENT: rb_str_cat_cstr(ret, " state=SYN_SENT"); break; +# endif +# ifdef TCP_SYN_RECV + case TCP_SYN_RECV: rb_str_cat_cstr(ret, " state=SYN_RECV"); break; +# endif +# ifdef TCP_FIN_WAIT1 + case TCP_FIN_WAIT1: rb_str_cat_cstr(ret, " state=FIN_WAIT1"); break; +# endif +# ifdef TCP_FIN_WAIT2 + case TCP_FIN_WAIT2: rb_str_cat_cstr(ret, " state=FIN_WAIT2"); break; +# endif +# ifdef TCP_TIME_WAIT + case TCP_TIME_WAIT: rb_str_cat_cstr(ret, " state=TIME_WAIT"); break; +# endif +# ifdef TCP_CLOSE + case TCP_CLOSE: rb_str_cat_cstr(ret, " state=CLOSED"); break; /* RFC 793 uses "CLOSED", not "CLOSE" */ +# endif +# ifdef TCP_CLOSE_WAIT + case TCP_CLOSE_WAIT: rb_str_cat_cstr(ret, " state=CLOSE_WAIT"); break; +# endif +# ifdef TCP_LAST_ACK + case TCP_LAST_ACK: rb_str_cat_cstr(ret, " state=LAST_ACK"); break; +# endif +# ifdef TCP_LISTEN + case TCP_LISTEN: rb_str_cat_cstr(ret, " state=LISTEN"); break; +# endif +# ifdef TCP_CLOSING + case TCP_CLOSING: rb_str_cat_cstr(ret, " state=CLOSING"); break; +# endif + default: rb_str_catf(ret, " state=%u", s.tcpi_state); break; + } +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_CA_STATE + switch (s.tcpi_ca_state) { + case TCP_CA_Open: rb_str_cat_cstr(ret, " ca_state=Open"); break; + case TCP_CA_Disorder: rb_str_cat_cstr(ret, " ca_state=Disorder"); break; + case TCP_CA_CWR: rb_str_cat_cstr(ret, " ca_state=CWR"); break; + case TCP_CA_Recovery: rb_str_cat_cstr(ret, " ca_state=Recovery"); break; + case TCP_CA_Loss: rb_str_cat_cstr(ret, " ca_state=Loss"); break; + default: rb_str_catf(ret, " ca_state=%u", s.tcpi_ca_state); break; + } +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RETRANSMITS + rb_str_catf(ret, " retransmits=%u", s.tcpi_retransmits); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_PROBES + rb_str_catf(ret, " probes=%u", s.tcpi_probes); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_BACKOFF + rb_str_catf(ret, " backoff=%u", s.tcpi_backoff); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_OPTIONS + inspect_tcpi_options(ret, s.tcpi_options); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_WSCALE + rb_str_catf(ret, " snd_wscale=%u", s.tcpi_snd_wscale); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_WSCALE + rb_str_catf(ret, " rcv_wscale=%u", s.tcpi_rcv_wscale); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTO + inspect_tcpi_rto(ret, s.tcpi_rto); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_ATO + inspect_tcpi_ato(ret, s.tcpi_ato); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_MSS + rb_str_catf(ret, " snd_mss=%u", s.tcpi_snd_mss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_MSS + rb_str_catf(ret, " rcv_mss=%u", s.tcpi_rcv_mss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_UNACKED + rb_str_catf(ret, " unacked=%u", s.tcpi_unacked); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SACKED + rb_str_catf(ret, " sacked=%u", s.tcpi_sacked); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LOST + rb_str_catf(ret, " lost=%u", s.tcpi_lost); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RETRANS + rb_str_catf(ret, " retrans=%u", s.tcpi_retrans); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_FACKETS + rb_str_catf(ret, " fackets=%u", s.tcpi_fackets); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_SENT + inspect_tcpi_last_data_sent(ret, s.tcpi_last_data_sent); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_SENT + inspect_tcpi_last_ack_sent(ret, s.tcpi_last_ack_sent); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_DATA_RECV + inspect_tcpi_last_data_recv(ret, s.tcpi_last_data_recv); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_LAST_ACK_RECV + inspect_tcpi_last_ack_recv(ret, s.tcpi_last_ack_recv); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_PMTU + rb_str_catf(ret, " pmtu=%u", s.tcpi_pmtu); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_SSTHRESH + rb_str_catf(ret, " rcv_ssthresh=%u", s.tcpi_rcv_ssthresh); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTT + inspect_tcpi_rtt(ret, s.tcpi_rtt); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RTTVAR + inspect_tcpi_rttvar(ret, s.tcpi_rttvar); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_SSTHRESH + rb_str_catf(ret, " snd_ssthresh=%u", s.tcpi_snd_ssthresh); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_CWND + rb_str_catf(ret, " snd_cwnd=%u", s.tcpi_snd_cwnd); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_ADVMSS + rb_str_catf(ret, " advmss=%u", s.tcpi_advmss); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_REORDERING + rb_str_catf(ret, " reordering=%u", s.tcpi_reordering); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_RTT + inspect_tcpi_rcv_rtt(ret, s.tcpi_rcv_rtt); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_SPACE + rb_str_catf(ret, " rcv_space=%u", s.tcpi_rcv_space); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_TOTAL_RETRANS + rb_str_catf(ret, " total_retrans=%u", s.tcpi_total_retrans); +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_WND + rb_str_catf(ret, " snd_wnd=%u", s.tcpi_snd_wnd); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_BWND + rb_str_catf(ret, " snd_bwnd=%u", s.tcpi_snd_bwnd); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_NXT + rb_str_catf(ret, " snd_nxt=%u", s.tcpi_snd_nxt); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_NXT + rb_str_catf(ret, " rcv_nxt=%u", s.tcpi_rcv_nxt); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_TOE_TID + rb_str_catf(ret, " toe_tid=%u", s.tcpi_toe_tid); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_REXMITPACK + rb_str_catf(ret, " snd_rexmitpack=%u", s.tcpi_snd_rexmitpack); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_RCV_OOOPACK + rb_str_catf(ret, " rcv_ooopack=%u", s.tcpi_rcv_ooopack); /* FreeBSD */ +#endif +#ifdef HAVE_STRUCT_TCP_INFO_TCPI_SND_ZEROWIN + rb_str_catf(ret, " snd_zerowin=%u", s.tcpi_snd_zerowin); /* FreeBSD */ +#endif + if (sizeof(struct tcp_info) < actual_size) + rb_str_catf(ret, " (%u bytes too long)", (unsigned)(actual_size - sizeof(struct tcp_info))); + return 1; + } + else { + return 0; + } +} +#endif + +#if defined(SOL_SOCKET) && defined(SO_PEERCRED) /* GNU/Linux, OpenBSD */ +#if defined(__OpenBSD__) +#define RUBY_SOCK_PEERCRED struct sockpeercred +#else +#define RUBY_SOCK_PEERCRED struct ucred +#endif static int inspect_peercred(int level, int optname, VALUE data, VALUE ret) { - if (RSTRING_LEN(data) == sizeof(struct ucred)) { - struct ucred cred; - memcpy(&cred, RSTRING_PTR(data), sizeof(struct ucred)); + if (RSTRING_LEN(data) == sizeof(RUBY_SOCK_PEERCRED)) { + RUBY_SOCK_PEERCRED cred; + memcpy(&cred, RSTRING_PTR(data), sizeof(RUBY_SOCK_PEERCRED)); rb_str_catf(ret, " pid=%u euid=%u egid=%u", - (unsigned)cred.pid, (unsigned)cred.uid, (unsigned)cred.gid); + (unsigned)cred.pid, (unsigned)cred.uid, (unsigned)cred.gid); rb_str_cat2(ret, " (ucred)"); return 1; } @@ -425,14 +1171,14 @@ inspect_local_peercred(int level, int optname, VALUE data, VALUE ret) return 0; rb_str_catf(ret, " version=%u", cred.cr_version); rb_str_catf(ret, " euid=%u", cred.cr_uid); - if (cred.cr_ngroups) { - int i; - const char *sep = " groups="; - for (i = 0; i < cred.cr_ngroups; i++) { - rb_str_catf(ret, "%s%u", sep, cred.cr_groups[i]); - sep = ","; - } - } + if (cred.cr_ngroups) { + int i; + const char *sep = " groups="; + for (i = 0; i < cred.cr_ngroups; i++) { + rb_str_catf(ret, "%s%u", sep, cred.cr_groups[i]); + sep = ","; + } + } rb_str_cat2(ret, " (xucred)"); return 1; } @@ -470,42 +1216,42 @@ sockopt_inspect(VALUE self) family_id = rsock_intern_family_noprefix(family); if (family_id) - rb_str_catf(ret, " %s", rb_id2name(family_id)); + rb_str_catf(ret, " %s", rb_id2name(family_id)); else rb_str_catf(ret, " family:%d", family); if (level == SOL_SOCKET) { rb_str_cat2(ret, " SOCKET"); - optname_id = rsock_intern_so_optname(optname); - if (optname_id) - rb_str_catf(ret, " %s", rb_id2name(optname_id)); - else - rb_str_catf(ret, " optname:%d", optname); + optname_id = rsock_intern_so_optname(optname); + if (optname_id) + rb_str_catf(ret, " %s", rb_id2name(optname_id)); + else + rb_str_catf(ret, " optname:%d", optname); } -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN else if (family == AF_UNIX) { - rb_str_catf(ret, " level:%d", level); + rb_str_catf(ret, " level:%d", level); - optname_id = rsock_intern_local_optname(optname); - if (optname_id) - rb_str_catf(ret, " %s", rb_id2name(optname_id)); - else - rb_str_catf(ret, " optname:%d", optname); + optname_id = rsock_intern_local_optname(optname); + if (optname_id) + rb_str_catf(ret, " %s", rb_id2name(optname_id)); + else + rb_str_catf(ret, " optname:%d", optname); } #endif else if (IS_IP_FAMILY(family)) { - level_id = rsock_intern_iplevel(level); - if (level_id) - rb_str_catf(ret, " %s", rb_id2name(level_id)); - else - rb_str_catf(ret, " level:%d", level); - - v = optname_to_sym(level, optname); - if (SYMBOL_P(v)) - rb_str_catf(ret, " %s", rb_id2name(SYM2ID(v))); - else - rb_str_catf(ret, " optname:%d", optname); + level_id = rsock_intern_iplevel(level); + if (level_id) + rb_str_catf(ret, " %s", rb_id2name(level_id)); + else + rb_str_catf(ret, " level:%d", level); + + v = optname_to_sym(level, optname); + if (SYMBOL_P(v)) + rb_str_catf(ret, " %"PRIsVALUE, rb_sym2str(v)); + else + rb_str_catf(ret, " optname:%d", optname); } else { rb_str_catf(ret, " level:%d", level); @@ -569,7 +1315,7 @@ sockopt_inspect(VALUE self) # if defined(SO_SNDTIMEO) /* POSIX */ case SO_SNDTIMEO: inspected = inspect_timeval_as_interval(level, optname, data, ret); break; # endif -# if defined(SO_PEERCRED) /* GNU/Linux */ +# if defined(SO_PEERCRED) /* GNU/Linux, OpenBSD */ case SO_PEERCRED: inspected = inspect_peercred(level, optname, data, ret); break; # endif } @@ -582,19 +1328,46 @@ sockopt_inspect(VALUE self) case AF_INET6: #endif switch (level) { +# if defined(IPPROTO_IP) + case IPPROTO_IP: + switch (optname) { +# if defined(IP_MULTICAST_IF) && defined(HAVE_TYPE_STRUCT_IP_MREQN) /* 4.4BSD, GNU/Linux */ + case IP_MULTICAST_IF: inspected = inspect_ipv4_multicast_if(level, optname, data, ret); break; +# endif +# if defined(IP_ADD_MEMBERSHIP) /* 4.4BSD, GNU/Linux */ + case IP_ADD_MEMBERSHIP: inspected = inspect_ipv4_add_drop_membership(level, optname, data, ret); break; +# endif +# if defined(IP_DROP_MEMBERSHIP) /* 4.4BSD, GNU/Linux */ + case IP_DROP_MEMBERSHIP: inspected = inspect_ipv4_add_drop_membership(level, optname, data, ret); break; +# endif +# if defined(IP_MULTICAST_LOOP) /* 4.4BSD, GNU/Linux */ + case IP_MULTICAST_LOOP: inspected = inspect_ipv4_multicast_loop(level, optname, data, ret); break; +# endif +# if defined(IP_MULTICAST_TTL) /* 4.4BSD, GNU/Linux */ + case IP_MULTICAST_TTL: inspected = inspect_ipv4_multicast_ttl(level, optname, data, ret); break; +# endif + } + break; +# endif + # if defined(IPPROTO_IPV6) case IPPROTO_IPV6: switch (optname) { - /* IPV6_JOIN_GROUP ipv6_mreq, IPV6_LEAVE_GROUP ipv6_mreq */ # if defined(IPV6_MULTICAST_HOPS) /* POSIX */ case IPV6_MULTICAST_HOPS: inspected = inspect_int(level, optname, data, ret); break; # endif # if defined(IPV6_MULTICAST_IF) /* POSIX */ - case IPV6_MULTICAST_IF: inspected = inspect_uint(level, optname, data, ret); break; + case IPV6_MULTICAST_IF: inspected = inspect_ipv6_multicast_if(level, optname, data, ret); break; # endif # if defined(IPV6_MULTICAST_LOOP) /* POSIX */ case IPV6_MULTICAST_LOOP: inspected = inspect_uint(level, optname, data, ret); break; # endif +# if defined(IPV6_JOIN_GROUP) /* POSIX */ + case IPV6_JOIN_GROUP: inspected = inspect_ipv6_mreq(level, optname, data, ret); break; +# endif +# if defined(IPV6_LEAVE_GROUP) /* POSIX */ + case IPV6_LEAVE_GROUP: inspected = inspect_ipv6_mreq(level, optname, data, ret); break; +# endif # if defined(IPV6_UNICAST_HOPS) /* POSIX */ case IPV6_UNICAST_HOPS: inspected = inspect_int(level, optname, data, ret); break; # endif @@ -611,13 +1384,16 @@ sockopt_inspect(VALUE self) # if defined(TCP_NODELAY) /* POSIX */ case TCP_NODELAY: inspected = inspect_int(level, optname, data, ret); break; # endif +# if defined(TCP_INFO) && defined(HAVE_TYPE_STRUCT_TCP_INFO) /* Linux, FreeBSD */ + case TCP_INFO: inspected = inspect_tcp_info(level, optname, data, ret); break; +# endif } break; # endif } break; -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: switch (level) { case 0: @@ -633,8 +1409,8 @@ sockopt_inspect(VALUE self) } if (!inspected) { - data = rb_str_dump(data); - rb_str_catf(ret, " %s", StringValueCStr(data)); + rb_str_cat2(ret, " "); + rb_str_append(ret, rb_str_dump(data)); } rb_str_cat2(ret, ">"); @@ -659,11 +1435,16 @@ sockopt_unpack(VALUE self, VALUE template) } void -Init_sockopt(void) +rsock_init_sockopt(void) { - /* for rdoc */ - /* rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); */ - + /* + * Document-class: Socket::Option + * + * Socket::Option represents a socket option used by + * BasicSocket#getsockopt and BasicSocket#setsockopt. A socket option + * contains the socket #family, protocol #level, option name #optname and + * option value #data. + */ rb_cSockOpt = rb_define_class_under(rb_cSocket, "Option", rb_cObject); rb_define_method(rb_cSockOpt, "initialize", sockopt_initialize, 4); rb_define_method(rb_cSockOpt, "family", sockopt_family_m, 0); @@ -675,14 +1456,22 @@ Init_sockopt(void) rb_define_singleton_method(rb_cSockOpt, "int", sockopt_s_int, 4); rb_define_method(rb_cSockOpt, "int", sockopt_int, 0); + rb_define_singleton_method(rb_cSockOpt, "byte", sockopt_s_byte, 4); + rb_define_method(rb_cSockOpt, "byte", sockopt_byte, 0); + rb_define_singleton_method(rb_cSockOpt, "bool", sockopt_s_bool, 4); rb_define_method(rb_cSockOpt, "bool", sockopt_bool, 0); rb_define_singleton_method(rb_cSockOpt, "linger", sockopt_s_linger, 2); rb_define_method(rb_cSockOpt, "linger", sockopt_linger, 0); + rb_define_singleton_method(rb_cSockOpt, "ipv4_multicast_ttl", sockopt_s_ipv4_multicast_ttl, 1); + rb_define_method(rb_cSockOpt, "ipv4_multicast_ttl", sockopt_ipv4_multicast_ttl, 0); + + rb_define_singleton_method(rb_cSockOpt, "ipv4_multicast_loop", sockopt_s_ipv4_multicast_loop, 1); + rb_define_method(rb_cSockOpt, "ipv4_multicast_loop", sockopt_ipv4_multicast_loop, 0); + rb_define_method(rb_cSockOpt, "unpack", sockopt_unpack, 1); rb_define_method(rb_cSockOpt, "to_s", sockopt_data, 0); /* compatibility for ruby before 1.9.2 */ } - diff --git a/ext/socket/raddrinfo.c b/ext/socket/raddrinfo.c index fed3f2391e..f1fbcc35de 100644 --- a/ext/socket/raddrinfo.c +++ b/ext/socket/raddrinfo.c @@ -1,6 +1,6 @@ /************************************************ - ainfo.c - + raddrinfo.c - created at: Thu Mar 31 12:21:29 JST 1994 @@ -10,6 +10,22 @@ #include "rubysocket.h" +// GETADDRINFO_IMPL == 0 : call getaddrinfo/getnameinfo directly +// GETADDRINFO_IMPL == 1 : call getaddrinfo/getnameinfo without gvl (but uncancellable) +// GETADDRINFO_IMPL == 2 : call getaddrinfo/getnameinfo in a dedicated pthread +// (and if the call is interrupted, the pthread is detached) + +#ifndef GETADDRINFO_IMPL +# ifdef GETADDRINFO_EMU +# define GETADDRINFO_IMPL 0 +# elif !defined(HAVE_PTHREAD_CREATE) || !defined(HAVE_PTHREAD_DETACH) || defined(__MINGW32__) || defined(__MINGW64__) +# define GETADDRINFO_IMPL 1 +# else +# define GETADDRINFO_IMPL 2 +# include "ruby/thread_native.h" +# endif +#endif + #if defined(INET6) && (defined(LOOKUP_ORDER_HACK_INET) || defined(LOOKUP_ORDER_HACK_INET6)) #define LOOKUP_ORDERS (sizeof(lookup_order_table) / sizeof(lookup_order_table[0])) static const int lookup_order_table[] = { @@ -24,28 +40,28 @@ static const int lookup_order_table[] = { static int ruby_getaddrinfo(const char *nodename, const char *servname, - const struct addrinfo *hints, struct addrinfo **res) + const struct addrinfo *hints, struct addrinfo **res) { struct addrinfo tmp_hints; int i, af, error; if (hints->ai_family != PF_UNSPEC) { - return getaddrinfo(nodename, servname, hints, res); + return getaddrinfo(nodename, servname, hints, res); } for (i = 0; i < LOOKUP_ORDERS; i++) { - af = lookup_order_table[i]; - MEMCPY(&tmp_hints, hints, struct addrinfo, 1); - tmp_hints.ai_family = af; - error = getaddrinfo(nodename, servname, &tmp_hints, res); - if (error) { - if (tmp_hints.ai_family == PF_UNSPEC) { - break; - } - } - else { - break; - } + af = lookup_order_table[i]; + MEMCPY(&tmp_hints, hints, struct addrinfo, 1); + tmp_hints.ai_family = af; + error = getaddrinfo(nodename, servname, &tmp_hints, res); + if (error) { + if (tmp_hints.ai_family == PF_UNSPEC) { + break; + } + } + else { + break; + } } return error; @@ -56,17 +72,17 @@ ruby_getaddrinfo(const char *nodename, const char *servname, #if defined(_AIX) static int ruby_getaddrinfo__aix(const char *nodename, const char *servname, - struct addrinfo *hints, struct addrinfo **res) + const struct addrinfo *hints, struct addrinfo **res) { int error = getaddrinfo(nodename, servname, hints, res); struct addrinfo *r; if (error) - return error; + return error; for (r = *res; r != NULL; r = r->ai_next) { - if (r->ai_addr->sa_family == 0) - r->ai_addr->sa_family = r->ai_family; - if (r->ai_addr->sa_len == 0) - r->ai_addr->sa_len = r->ai_addrlen; + if (r->ai_addr->sa_family == 0) + r->ai_addr->sa_family = r->ai_family; + if (r->ai_addr->sa_len == 0) + r->ai_addr->sa_len = r->ai_addrlen; } return 0; } @@ -74,21 +90,21 @@ ruby_getaddrinfo__aix(const char *nodename, const char *servname, #define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo__aix((node),(serv),(hints),(res)) static int ruby_getnameinfo__aix(const struct sockaddr *sa, size_t salen, - char *host, size_t hostlen, - char *serv, size_t servlen, int flags) + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) { struct sockaddr_in6 *sa6; u_int32_t *a6; if (sa->sa_family == AF_INET6) { - sa6 = (struct sockaddr_in6 *)sa; - a6 = sa6->sin6_addr.u6_addr.u6_addr32; + sa6 = (struct sockaddr_in6 *)sa; + a6 = sa6->sin6_addr.u6_addr.u6_addr32; - if (a6[0] == 0 && a6[1] == 0 && a6[2] == 0 && a6[3] == 0) { - strncpy(host, "::", hostlen); - snprintf(serv, servlen, "%d", sa6->sin6_port); - return 0; - } + if (a6[0] == 0 && a6[1] == 0 && a6[2] == 0 && a6[3] == 0) { + strncpy(host, "::", hostlen); + snprintf(serv, servlen, "%d", sa6->sin6_port); + return 0; + } } return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); } @@ -97,7 +113,208 @@ ruby_getnameinfo__aix(const struct sockaddr *sa, size_t salen, ruby_getnameinfo__aix((sa), (salen), (host), (hostlen), (serv), (servlen), (flags)) #endif -#ifndef GETADDRINFO_EMU +static int str_is_number(const char *); + +#if defined(__APPLE__) +static int +ruby_getaddrinfo__darwin(const char *nodename, const char *servname, + const struct addrinfo *hints, struct addrinfo **res) +{ + /* fix [ruby-core:29427] */ + const char *tmp_servname; + struct addrinfo tmp_hints; + int error; + + tmp_servname = servname; + MEMCPY(&tmp_hints, hints, struct addrinfo, 1); + if (nodename && servname) { + if (str_is_number(tmp_servname) && atoi(servname) == 0) { + tmp_servname = NULL; +#ifdef AI_NUMERICSERV + if (tmp_hints.ai_flags) tmp_hints.ai_flags &= ~AI_NUMERICSERV; +#endif + } + } + + error = getaddrinfo(nodename, tmp_servname, &tmp_hints, res); + if (error == 0) { + /* [ruby-dev:23164] */ + struct addrinfo *r; + r = *res; + while (r) { + if (! r->ai_socktype) r->ai_socktype = hints->ai_socktype; + if (! r->ai_protocol) { + if (r->ai_socktype == SOCK_DGRAM) { + r->ai_protocol = IPPROTO_UDP; + } + else if (r->ai_socktype == SOCK_STREAM) { + r->ai_protocol = IPPROTO_TCP; + } + } + r = r->ai_next; + } + } + + return error; +} +#undef getaddrinfo +#define getaddrinfo(node,serv,hints,res) ruby_getaddrinfo__darwin((node),(serv),(hints),(res)) +#endif + +#ifdef HAVE_INET_PTON +static int +parse_numeric_port(const char *service, int *portp) +{ + unsigned long u; + + if (!service) { + *portp = 0; + return 1; + } + + if (strspn(service, "0123456789") != strlen(service)) + return 0; + + errno = 0; + u = STRTOUL(service, NULL, 10); + if (errno) + return 0; + + if (0x10000 <= u) + return 0; + + *portp = (int)u; + + return 1; +} +#endif + +static int +numeric_getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, + struct addrinfo **res) +{ +#ifdef HAVE_INET_PTON +# if defined __MINGW64__ +# define inet_pton(f,s,d) rb_w32_inet_pton(f,s,d) +# endif + + int port; + + if (node && parse_numeric_port(service, &port)) { + static const struct { + int socktype; + int protocol; + } list[] = { + { SOCK_STREAM, IPPROTO_TCP }, + { SOCK_DGRAM, IPPROTO_UDP }, + { SOCK_RAW, 0 } + }; + struct addrinfo *ai = NULL; + int hint_family = hints ? hints->ai_family : PF_UNSPEC; + int hint_socktype = hints ? hints->ai_socktype : 0; + int hint_protocol = hints ? hints->ai_protocol : 0; + char ipv4addr[4]; +#ifdef AF_INET6 + char ipv6addr[16]; + if ((hint_family == PF_UNSPEC || hint_family == PF_INET6) && + strspn(node, "0123456789abcdefABCDEF.:") == strlen(node) && + inet_pton(AF_INET6, node, ipv6addr)) { + int i; + for (i = numberof(list)-1; 0 <= i; i--) { + if ((hint_socktype == 0 || hint_socktype == list[i].socktype) && + (hint_protocol == 0 || list[i].protocol == 0 || hint_protocol == list[i].protocol)) { + struct addrinfo *ai0 = xcalloc(1, sizeof(struct addrinfo)); + struct sockaddr_in6 *sa = xmalloc(sizeof(struct sockaddr_in6)); + INIT_SOCKADDR_IN6(sa, sizeof(struct sockaddr_in6)); + memcpy(&sa->sin6_addr, ipv6addr, sizeof(ipv6addr)); + sa->sin6_port = htons(port); + ai0->ai_family = PF_INET6; + ai0->ai_socktype = list[i].socktype; + ai0->ai_protocol = hint_protocol ? hint_protocol : list[i].protocol; + ai0->ai_addrlen = sizeof(struct sockaddr_in6); + ai0->ai_addr = (struct sockaddr *)sa; + ai0->ai_canonname = NULL; + ai0->ai_next = ai; + ai = ai0; + } + } + } + else +#endif + if ((hint_family == PF_UNSPEC || hint_family == PF_INET) && + strspn(node, "0123456789.") == strlen(node) && + inet_pton(AF_INET, node, ipv4addr)) { + int i; + for (i = numberof(list)-1; 0 <= i; i--) { + if ((hint_socktype == 0 || hint_socktype == list[i].socktype) && + (hint_protocol == 0 || list[i].protocol == 0 || hint_protocol == list[i].protocol)) { + struct addrinfo *ai0 = xcalloc(1, sizeof(struct addrinfo)); + struct sockaddr_in *sa = xmalloc(sizeof(struct sockaddr_in)); + INIT_SOCKADDR_IN(sa, sizeof(struct sockaddr_in)); + memcpy(&sa->sin_addr, ipv4addr, sizeof(ipv4addr)); + sa->sin_port = htons(port); + ai0->ai_family = PF_INET; + ai0->ai_socktype = list[i].socktype; + ai0->ai_protocol = hint_protocol ? hint_protocol : list[i].protocol; + ai0->ai_addrlen = sizeof(struct sockaddr_in); + ai0->ai_addr = (struct sockaddr *)sa; + ai0->ai_canonname = NULL; + ai0->ai_next = ai; + ai = ai0; + } + } + } + if (ai) { + *res = ai; + return 0; + } + } +#endif + return EAI_FAIL; +} + +void +rb_freeaddrinfo(struct rb_addrinfo *ai) +{ + if (!ai->allocated_by_malloc) { + if (ai->ai) freeaddrinfo(ai->ai); + } + else { + struct addrinfo *ai1, *ai2; + ai1 = ai->ai; + while (ai1) { + ai2 = ai1->ai_next; + xfree(ai1->ai_addr); + xfree(ai1); + ai1 = ai2; + } + } + xfree(ai); +} + +static int +rsock_value_timeout_to_msec(VALUE timeout) +{ + double seconds = NUM2DBL(timeout); + if (seconds < 0) rb_raise(rb_eArgError, "timeout must not be negative"); + + double msec = seconds * 1000.0; + if (msec > UINT_MAX) rb_raise(rb_eArgError, "timeout too large"); + + return (unsigned int)(msec + 0.5); +} + +#if GETADDRINFO_IMPL == 0 + +static int +rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int _timeout) +{ + return getaddrinfo(hostp, portp, hints, ai); +} + +#elif GETADDRINFO_IMPL == 1 + struct getaddrinfo_arg { const char *node; @@ -106,65 +323,348 @@ struct getaddrinfo_arg struct addrinfo **res; }; -static VALUE +static void * nogvl_getaddrinfo(void *arg) { + int ret; struct getaddrinfo_arg *ptr = arg; - return getaddrinfo(ptr->node, ptr->service, - ptr->hints, ptr->res); -} + ret = getaddrinfo(ptr->node, ptr->service, ptr->hints, ptr->res); +#ifdef __linux__ + /* On Linux (mainly Ubuntu 13.04) /etc/nsswitch.conf has mdns4 and + * it cause getaddrinfo to return EAI_SYSTEM/ENOENT. [ruby-list:49420] + */ + if (ret == EAI_SYSTEM && errno == ENOENT) + ret = EAI_NONAME; #endif + return (void *)(VALUE)ret; +} -int -rb_getaddrinfo(const char *node, const char *service, - const struct addrinfo *hints, - struct addrinfo **res) +static void * +fork_safe_getaddrinfo(void *arg) +{ + return rb_thread_prevent_fork(nogvl_getaddrinfo, arg); +} + +static int +rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int _timeout) { -#ifdef GETADDRINFO_EMU - return getaddrinfo(node, service, hints, res); -#else struct getaddrinfo_arg arg; - int ret; - arg.node = node; - arg.service = service; + MEMZERO(&arg, struct getaddrinfo_arg, 1); + arg.node = hostp; + arg.service = portp; arg.hints = hints; - arg.res = res; - ret = BLOCKING_REGION(nogvl_getaddrinfo, &arg); + arg.res = ai; + return (int)(VALUE)rb_thread_call_without_gvl(fork_safe_getaddrinfo, &arg, RUBY_UBF_IO, 0); +} + +#elif GETADDRINFO_IMPL == 2 + +struct getaddrinfo_arg +{ + char *node, *service; + struct addrinfo hints; + struct addrinfo *ai; + int err, gai_errno, refcount, done, cancelled, timedout; + rb_nativethread_lock_t lock; + rb_nativethread_cond_t cond; + int timeout; +}; + +static struct getaddrinfo_arg * +allocate_getaddrinfo_arg(const char *hostp, const char *portp, const struct addrinfo *hints, int timeout) +{ + size_t hostp_offset = sizeof(struct getaddrinfo_arg); + size_t portp_offset = hostp_offset + (hostp ? strlen(hostp) + 1 : 0); + size_t bufsize = portp_offset + (portp ? strlen(portp) + 1 : 0); + + char *buf = malloc(bufsize); + if (!buf) { + rb_gc(); + buf = malloc(bufsize); + if (!buf) return NULL; + } + struct getaddrinfo_arg *arg = (struct getaddrinfo_arg *)buf; + + if (hostp) { + arg->node = buf + hostp_offset; + memcpy(arg->node, hostp, portp_offset - hostp_offset); + } + else { + arg->node = NULL; + } + + if (portp) { + arg->service = buf + portp_offset; + memcpy(arg->service, portp, bufsize - portp_offset); + } + else { + arg->service = NULL; + } + + arg->hints = *hints; + arg->ai = NULL; + + arg->refcount = 2; + arg->done = arg->cancelled = arg->timedout = 0; + arg->timeout = timeout; + + rb_nativethread_lock_initialize(&arg->lock); + rb_native_cond_initialize(&arg->cond); + + return arg; +} + +static void +free_getaddrinfo_arg(struct getaddrinfo_arg *arg) +{ + rb_native_cond_destroy(&arg->cond); + rb_nativethread_lock_destroy(&arg->lock); + free(arg); +} + +static void * +do_getaddrinfo(void *ptr) +{ + struct getaddrinfo_arg *arg = (struct getaddrinfo_arg *)ptr; + + int err, gai_errno; + err = getaddrinfo(arg->node, arg->service, &arg->hints, &arg->ai); + gai_errno = errno; +#ifdef __linux__ + /* On Linux (mainly Ubuntu 13.04) /etc/nsswitch.conf has mdns4 and + * it cause getaddrinfo to return EAI_SYSTEM/ENOENT. [ruby-list:49420] + */ + if (err == EAI_SYSTEM && errno == ENOENT) + err = EAI_NONAME; +#endif + + int need_free = 0; + rb_nativethread_lock_lock(&arg->lock); + { + arg->err = err; + arg->gai_errno = gai_errno; + if (arg->cancelled) { + if (arg->ai) freeaddrinfo(arg->ai); + } + else { + arg->done = 1; + rb_native_cond_signal(&arg->cond); + } + if (--arg->refcount == 0) need_free = 1; + } + rb_nativethread_lock_unlock(&arg->lock); + + if (need_free) free_getaddrinfo_arg(arg); + + return 0; +} + +static void * +wait_getaddrinfo(void *ptr) +{ + struct getaddrinfo_arg *arg = (struct getaddrinfo_arg *)ptr; + rb_nativethread_lock_lock(&arg->lock); + while (!arg->done && !arg->cancelled) { + long msec = arg->timeout; + if (msec == 0) { + arg->cancelled = 1; + arg->timedout = 1; + } else if (msec > 0) { + rb_native_cond_timedwait(&arg->cond, &arg->lock, msec); + if (!arg->done) { + arg->cancelled = 1; + arg->timedout = 1; + } + } else { + rb_native_cond_wait(&arg->cond, &arg->lock); + } + } + rb_nativethread_lock_unlock(&arg->lock); + return 0; +} + +static void +cancel_getaddrinfo(void *ptr) +{ + struct getaddrinfo_arg *arg = (struct getaddrinfo_arg *)ptr; + rb_nativethread_lock_lock(&arg->lock); + { + arg->cancelled = 1; + rb_native_cond_signal(&arg->cond); + } + rb_nativethread_lock_unlock(&arg->lock); +} + +int +raddrinfo_pthread_create(pthread_t *th, void *(*start_routine) (void *), void *arg) +{ + int limit = 3, ret; + int saved_errno; +#ifdef HAVE_PTHREAD_ATTR_SETDETACHSTATE + pthread_attr_t attr; + pthread_attr_t *attr_p = &attr; + int err; + int init_retries = 0; + int init_retries_max = 3; +retry_attr_init: + if ((err = pthread_attr_init(attr_p)) != 0) { + if (err == ENOMEM && init_retries < init_retries_max) { + init_retries++; + rb_gc(); + goto retry_attr_init; + } + return err; + } + if ((err = pthread_attr_setdetachstate(attr_p, PTHREAD_CREATE_DETACHED)) != 0) { + saved_errno = errno; + pthread_attr_destroy(attr_p); + errno = saved_errno; + return err; // EINVAL - shouldn't happen + } +#else + pthread_attr_t *attr_p = NULL; +#endif + do { + // It is said that pthread_create may fail spuriously, so we follow the JDK and retry several times. + // + // https://bugs.openjdk.org/browse/JDK-8268605 + // https://github.com/openjdk/jdk/commit/e35005d5ce383ddd108096a3079b17cb0bcf76f1 + ret = pthread_create(th, attr_p, start_routine, arg); + } while (ret == EAGAIN && limit-- > 0); +#ifdef HAVE_PTHREAD_ATTR_SETDETACHSTATE + saved_errno = errno; + pthread_attr_destroy(attr_p); + if (ret != 0) { + errno = saved_errno; + } +#else + if (ret == 0) { + pthread_detach(th); // this can race with shutdown routine of thread in some glibc versions + } +#endif return ret; +} + +static void * +fork_safe_do_getaddrinfo(void *ptr) +{ + return rb_thread_prevent_fork(do_getaddrinfo, ptr); +} + +static int +rb_getaddrinfo(const char *hostp, const char *portp, const struct addrinfo *hints, struct addrinfo **ai, int timeout) +{ + int retry; + struct getaddrinfo_arg *arg; + int err = 0, gai_errno = 0, timedout = 0; + +start: + retry = 0; + + arg = allocate_getaddrinfo_arg(hostp, portp, hints, timeout); + if (!arg) { + return EAI_MEMORY; + } + + pthread_t th; + if (raddrinfo_pthread_create(&th, fork_safe_do_getaddrinfo, arg) != 0) { + int err = errno; + free_getaddrinfo_arg(arg); + errno = err; + return EAI_SYSTEM; + } + + rb_thread_call_without_gvl2(wait_getaddrinfo, arg, cancel_getaddrinfo, arg); + + int need_free = 0; + rb_nativethread_lock_lock(&arg->lock); + { + if (arg->done) { + err = arg->err; + gai_errno = arg->gai_errno; + if (err == 0) *ai = arg->ai; + } + else if (arg->cancelled) { + retry = 1; + timedout = arg->timedout; + } + else { + // If already interrupted, rb_thread_call_without_gvl2 may return without calling wait_getaddrinfo. + // In this case, it could be !arg->done && !arg->cancelled. + arg->cancelled = 1; // to make do_getaddrinfo call freeaddrinfo + retry = 1; + } + if (--arg->refcount == 0) need_free = 1; + } + rb_nativethread_lock_unlock(&arg->lock); + + if (need_free) free_getaddrinfo_arg(arg); + + if (timedout) { + VALUE host = rb_str_new_cstr(hostp); + VALUE port = rb_str_new_cstr(portp); + rsock_raise_user_specified_timeout(NULL, host, port); + } + + // If the current thread is interrupted by asynchronous exception, the following raises the exception. + // But if the current thread is interrupted by timer thread, the following returns; we need to manually retry. + rb_thread_check_ints(); + if (retry) goto start; + + /* Because errno is threadlocal, the errno value we got from the call to getaddrinfo() in the thread + * (in case of EAI_SYSTEM return value) is not propagated to the caller of _this_ function. Set errno + * explicitly, as round-tripped through struct getaddrinfo_arg, to deal with that */ + if (gai_errno) errno = gai_errno; + return err; +} + #endif + +#define GETNAMEINFO_WONT_BLOCK(host, serv, flags) \ + ((!(host) || ((flags) & NI_NUMERICHOST)) && \ + (!(serv) || ((flags) & NI_NUMERICSERV))) + +#if GETADDRINFO_IMPL == 0 + +int +rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) +{ + return getnameinfo(sa, salen, host, (socklen_t)hostlen, serv, (socklen_t)servlen, flags); } -#ifndef GETADDRINFO_EMU +#elif GETADDRINFO_IMPL == 1 + struct getnameinfo_arg { const struct sockaddr *sa; socklen_t salen; + int flags; char *host; size_t hostlen; char *serv; size_t servlen; - int flags; }; -static VALUE +static void * nogvl_getnameinfo(void *arg) { struct getnameinfo_arg *ptr = arg; - return getnameinfo(ptr->sa, ptr->salen, - ptr->host, ptr->hostlen, - ptr->serv, ptr->servlen, - ptr->flags); + return (void *)(VALUE)getnameinfo(ptr->sa, ptr->salen, + ptr->host, (socklen_t)ptr->hostlen, + ptr->serv, (socklen_t)ptr->servlen, + ptr->flags); } -#endif - int rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, - char *host, size_t hostlen, - char *serv, size_t servlen, int flags) + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) { -#ifdef GETADDRINFO_EMU - return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); -#else + if (GETNAMEINFO_WONT_BLOCK(host, serv, flags)) { + return getnameinfo(sa, salen, host, hostlen, serv, servlen, flags); + } + struct getnameinfo_arg arg; int ret; arg.sa = sa; @@ -174,182 +674,434 @@ rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, arg.serv = serv; arg.servlen = servlen; arg.flags = flags; - ret = BLOCKING_REGION(nogvl_getnameinfo, &arg); + ret = (int)(VALUE)rb_thread_call_without_gvl(nogvl_getnameinfo, &arg, RUBY_UBF_IO, 0); return ret; -#endif +} + +#elif GETADDRINFO_IMPL == 2 + +struct getnameinfo_arg +{ + struct sockaddr *sa; + socklen_t salen; + int flags; + char *host; + size_t hostlen; + char *serv; + size_t servlen; + int err, gni_errno, refcount, done, cancelled; + rb_nativethread_lock_t lock; + rb_nativethread_cond_t cond; +}; + +static struct getnameinfo_arg * +allocate_getnameinfo_arg(const struct sockaddr *sa, socklen_t salen, size_t hostlen, size_t servlen, int flags) +{ + size_t sa_offset = sizeof(struct getnameinfo_arg); + size_t host_offset = sa_offset + salen; + size_t serv_offset = host_offset + hostlen; + size_t bufsize = serv_offset + servlen; + + char *buf = malloc(bufsize); + if (!buf) { + rb_gc(); + buf = malloc(bufsize); + if (!buf) return NULL; + } + struct getnameinfo_arg *arg = (struct getnameinfo_arg *)buf; + + arg->sa = (struct sockaddr *)(buf + sa_offset); + memcpy(arg->sa, sa, salen); + arg->salen = salen; + arg->host = buf + host_offset; + arg->hostlen = hostlen; + arg->serv = buf + serv_offset; + arg->servlen = servlen; + arg->flags = flags; + + arg->refcount = 2; + arg->done = arg->cancelled = 0; + + rb_nativethread_lock_initialize(&arg->lock); + rb_native_cond_initialize(&arg->cond); + + return arg; +} + +static void +free_getnameinfo_arg(struct getnameinfo_arg *arg) +{ + rb_native_cond_destroy(&arg->cond); + rb_nativethread_lock_destroy(&arg->lock); + + free(arg); +} + +static void * +do_getnameinfo(void *ptr) +{ + struct getnameinfo_arg *arg = (struct getnameinfo_arg *)ptr; + + int err, gni_errno; + err = getnameinfo(arg->sa, arg->salen, arg->host, (socklen_t)arg->hostlen, arg->serv, (socklen_t)arg->servlen, arg->flags); + gni_errno = errno; + + int need_free = 0; + rb_nativethread_lock_lock(&arg->lock); + arg->err = err; + arg->gni_errno = gni_errno; + if (!arg->cancelled) { + arg->done = 1; + rb_native_cond_signal(&arg->cond); + } + if (--arg->refcount == 0) need_free = 1; + rb_nativethread_lock_unlock(&arg->lock); + + if (need_free) free_getnameinfo_arg(arg); + + return 0; +} + +static void * +wait_getnameinfo(void *ptr) +{ + struct getnameinfo_arg *arg = (struct getnameinfo_arg *)ptr; + rb_nativethread_lock_lock(&arg->lock); + while (!arg->done && !arg->cancelled) { + rb_native_cond_wait(&arg->cond, &arg->lock); + } + rb_nativethread_lock_unlock(&arg->lock); + return 0; } static void -make_ipaddr0(struct sockaddr *addr, char *buf, size_t len) +cancel_getnameinfo(void *ptr) +{ + struct getnameinfo_arg *arg = (struct getnameinfo_arg *)ptr; + rb_nativethread_lock_lock(&arg->lock); + arg->cancelled = 1; + rb_native_cond_signal(&arg->cond); + rb_nativethread_lock_unlock(&arg->lock); +} + +int +rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, + char *host, size_t hostlen, + char *serv, size_t servlen, int flags) +{ + int retry; + struct getnameinfo_arg *arg; + int err = 0, gni_errno = 0; + + if (GETNAMEINFO_WONT_BLOCK(host, serv, flags)) { + return getnameinfo(sa, salen, host, (socklen_t)hostlen, serv, (socklen_t)servlen, flags); + } + +start: + retry = 0; + + arg = allocate_getnameinfo_arg(sa, salen, hostlen, servlen, flags); + if (!arg) { + return EAI_MEMORY; + } + + pthread_t th; + if (raddrinfo_pthread_create(&th, do_getnameinfo, arg) != 0) { + int err = errno; + free_getnameinfo_arg(arg); + errno = err; + return EAI_SYSTEM; + } + + rb_thread_call_without_gvl2(wait_getnameinfo, arg, cancel_getnameinfo, arg); + + int need_free = 0; + rb_nativethread_lock_lock(&arg->lock); + if (arg->done) { + err = arg->err; + gni_errno = arg->gni_errno; + if (err == 0) { + if (host) memcpy(host, arg->host, hostlen); + if (serv) memcpy(serv, arg->serv, servlen); + } + } + else if (arg->cancelled) { + retry = 1; + } + else { + // If already interrupted, rb_thread_call_without_gvl2 may return without calling wait_getnameinfo. + // In this case, it could be !arg->done && !arg->cancelled. + arg->cancelled = 1; + retry = 1; + } + if (--arg->refcount == 0) need_free = 1; + rb_nativethread_lock_unlock(&arg->lock); + + if (need_free) free_getnameinfo_arg(arg); + + // If the current thread is interrupted by asynchronous exception, the following raises the exception. + // But if the current thread is interrupted by timer thread, the following returns; we need to manually retry. + rb_thread_check_ints(); + if (retry) goto start; + + /* Make sure we copy the thread-local errno value from the getnameinfo thread back to this thread, so + * calling code sees the correct errno */ + if (gni_errno) errno = gni_errno; + return err; +} + +#endif + +static void +make_ipaddr0(struct sockaddr *addr, socklen_t addrlen, char *buf, size_t buflen) { int error; - error = rb_getnameinfo(addr, SA_LEN(addr), buf, len, NULL, 0, NI_NUMERICHOST); + error = rb_getnameinfo(addr, addrlen, buf, buflen, NULL, 0, NI_NUMERICHOST); if (error) { - rsock_raise_socket_error("getnameinfo", error); + rsock_raise_resolution_error("getnameinfo", error); } } VALUE -rsock_make_ipaddr(struct sockaddr *addr) +rsock_make_ipaddr(struct sockaddr *addr, socklen_t addrlen) { char hbuf[1024]; - make_ipaddr0(addr, hbuf, sizeof(hbuf)); + make_ipaddr0(addr, addrlen, hbuf, sizeof(hbuf)); return rb_str_new2(hbuf); } static void -make_inetaddr(long host, char *buf, size_t len) +make_inetaddr(unsigned int host, char *buf, size_t buflen) { struct sockaddr_in sin; - MEMZERO(&sin, struct sockaddr_in, 1); - sin.sin_family = AF_INET; - SET_SIN_LEN(&sin, sizeof(sin)); + INIT_SOCKADDR_IN(&sin, sizeof(sin)); sin.sin_addr.s_addr = host; - make_ipaddr0((struct sockaddr*)&sin, buf, len); + make_ipaddr0((struct sockaddr*)&sin, sizeof(sin), buf, buflen); } static int -str_isnumber(const char *p) +str_is_number(const char *p) { char *ep; if (!p || *p == '\0') - return 0; + return 0; ep = NULL; (void)STRTOUL(p, &ep, 10); if (ep && *ep == '\0') - return 1; + return 1; else - return 0; + return 0; } -static char* -host_str(VALUE host, char *hbuf, size_t len, int *flags_ptr) +#define str_equal(ptr, len, name) \ + ((ptr)[0] == name[0] && \ + rb_strlen_lit(name) == (len) && memcmp(ptr, name, len) == 0) + +char* +raddrinfo_host_str(VALUE host, char *hbuf, size_t hbuflen, int *flags_ptr) { if (NIL_P(host)) { return NULL; } else if (rb_obj_is_kind_of(host, rb_cInteger)) { - unsigned long i = NUM2ULONG(host); + unsigned int i = NUM2UINT(host); - make_inetaddr(htonl(i), hbuf, len); + make_inetaddr(htonl(i), hbuf, hbuflen); if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; return hbuf; } else { - char *name; + const char *name; + size_t len; - SafeStringValue(host); - name = RSTRING_PTR(host); - if (!name || *name == 0 || (name[0] == '<' && strcmp(name, "<any>") == 0)) { - make_inetaddr(INADDR_ANY, hbuf, len); + StringValueCStr(host); + RSTRING_GETMEM(host, name, len); + if (!len || str_equal(name, len, "<any>")) { + make_inetaddr(INADDR_ANY, hbuf, hbuflen); if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; } - else if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) { - make_inetaddr(INADDR_BROADCAST, hbuf, len); + else if (str_equal(name, len, "<broadcast>")) { + make_inetaddr(INADDR_BROADCAST, hbuf, hbuflen); if (flags_ptr) *flags_ptr |= AI_NUMERICHOST; } - else if (strlen(name) >= len) { + else if (len >= hbuflen) { rb_raise(rb_eArgError, "hostname too long (%"PRIuSIZE")", - strlen(name)); + len); } else { - strcpy(hbuf, name); + memcpy(hbuf, name, len); + hbuf[len] = '\0'; } return hbuf; } } -static char* -port_str(VALUE port, char *pbuf, size_t len, int *flags_ptr) +char* +raddrinfo_port_str(VALUE port, char *pbuf, size_t pbuflen, int *flags_ptr) { if (NIL_P(port)) { return 0; } else if (FIXNUM_P(port)) { - snprintf(pbuf, len, "%ld", FIX2LONG(port)); + snprintf(pbuf, pbuflen, "%ld", FIX2LONG(port)); #ifdef AI_NUMERICSERV if (flags_ptr) *flags_ptr |= AI_NUMERICSERV; #endif return pbuf; } else { - char *serv; + const char *serv; + size_t len; - SafeStringValue(port); - serv = RSTRING_PTR(port); - if (strlen(serv) >= len) { + StringValueCStr(port); + RSTRING_GETMEM(port, serv, len); + if (len >= pbuflen) { rb_raise(rb_eArgError, "service name too long (%"PRIuSIZE")", - strlen(serv)); + len); } - strcpy(pbuf, serv); + memcpy(pbuf, serv, len); + pbuf[len] = '\0'; return pbuf; } } -struct addrinfo* -rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack) +static int +rb_scheduler_getaddrinfo(VALUE scheduler, VALUE host, const char *service, + const struct addrinfo *hints, struct rb_addrinfo **res) +{ + int error, res_allocated = 0, _additional_flags = 0; + long i, len; + struct addrinfo *ai, *ai_tail = NULL; + char *hostp; + char _hbuf[NI_MAXHOST]; + VALUE ip_addresses_array, ip_address; + + ip_addresses_array = rb_fiber_scheduler_address_resolve(scheduler, host); + + if (ip_addresses_array == Qundef) { + // Returns EAI_FAIL if the scheduler hook is not implemented: + return EAI_FAIL; + } else if (ip_addresses_array == Qnil) { + len = 0; + } else { + len = RARRAY_LEN(ip_addresses_array); + } + + for(i=0; i<len; i++) { + ip_address = rb_ary_entry(ip_addresses_array, i); + hostp = raddrinfo_host_str(ip_address, _hbuf, sizeof(_hbuf), &_additional_flags); + error = numeric_getaddrinfo(hostp, service, hints, &ai); + if (error == 0) { + if (!res_allocated) { + res_allocated = 1; + *res = (struct rb_addrinfo *)xmalloc(sizeof(struct rb_addrinfo)); + (*res)->allocated_by_malloc = 1; + (*res)->ai = ai; + ai_tail = ai; + } else { + while (ai_tail->ai_next) { + ai_tail = ai_tail->ai_next; + } + ai_tail->ai_next = ai; + ai_tail = ai; + } + } + } + + if (res_allocated) { // At least one valid result. + return 0; + } else { + return EAI_NONAME; + } +} + +struct rb_addrinfo* +rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack, VALUE timeout) { - struct addrinfo* res = NULL; + struct rb_addrinfo* res = NULL; + struct addrinfo *ai; char *hostp, *portp; - int error; + int error = 0; char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; int additional_flags = 0; - hostp = host_str(host, hbuf, sizeof(hbuf), &additional_flags); - portp = port_str(port, pbuf, sizeof(pbuf), &additional_flags); + hostp = raddrinfo_host_str(host, hbuf, sizeof(hbuf), &additional_flags); + portp = raddrinfo_port_str(port, pbuf, sizeof(pbuf), &additional_flags); - if (socktype_hack && hints->ai_socktype == 0 && str_isnumber(portp)) { - hints->ai_socktype = SOCK_DGRAM; + if (socktype_hack && hints->ai_socktype == 0 && str_is_number(portp)) { + hints->ai_socktype = SOCK_DGRAM; } hints->ai_flags |= additional_flags; - error = rb_getaddrinfo(hostp, portp, hints, &res); + error = numeric_getaddrinfo(hostp, portp, hints, &ai); + if (error == 0) { + res = (struct rb_addrinfo *)xmalloc(sizeof(struct rb_addrinfo)); + res->allocated_by_malloc = 1; + res->ai = ai; + } else { + VALUE scheduler = rb_fiber_scheduler_current(); + int resolved = 0; + + if (scheduler != Qnil && hostp && !(hints->ai_flags & AI_NUMERICHOST)) { + error = rb_scheduler_getaddrinfo(scheduler, host, portp, hints, &res); + + if (error != EAI_FAIL) { + resolved = 1; + } + } + + if (!resolved) { + int t = NIL_P(timeout) ? -1 : rsock_value_timeout_to_msec(timeout); + error = rb_getaddrinfo(hostp, portp, hints, &ai, t); + if (error == 0) { + res = (struct rb_addrinfo *)xmalloc(sizeof(struct rb_addrinfo)); + res->allocated_by_malloc = 0; + res->ai = ai; + } + } + } + if (error) { if (hostp && hostp[strlen(hostp)-1] == '\n') { rb_raise(rb_eSocket, "newline at the end of hostname"); } - rsock_raise_socket_error("getaddrinfo", error); + rsock_raise_resolution_error("getaddrinfo", error); } -#if defined(__APPLE__) && defined(__MACH__) - { - struct addrinfo *r; - r = res; - while (r) { - if (! r->ai_socktype) r->ai_socktype = hints->ai_socktype; - if (! r->ai_protocol) { - if (r->ai_socktype == SOCK_DGRAM) { - r->ai_protocol = IPPROTO_UDP; - } - else if (r->ai_socktype == SOCK_STREAM) { - r->ai_protocol = IPPROTO_TCP; - } - } - r = r->ai_next; - } - } -#endif return res; } -struct addrinfo* -rsock_addrinfo(VALUE host, VALUE port, int socktype, int flags) +int +rsock_fd_family(int fd) +{ + struct sockaddr sa = { 0 }; + socklen_t sa_len = sizeof(sa); + + if (fd < 0 || getsockname(fd, &sa, &sa_len) != 0 || + (size_t)sa_len < offsetof(struct sockaddr, sa_family) + sizeof(sa.sa_family)) { + return AF_UNSPEC; + } + return sa.sa_family; +} + +struct rb_addrinfo* +rsock_addrinfo(VALUE host, VALUE port, int family, int socktype, int flags, VALUE timeout) { struct addrinfo hints; MEMZERO(&hints, struct addrinfo, 1); - hints.ai_family = AF_UNSPEC; + hints.ai_family = family; hints.ai_socktype = socktype; hints.ai_flags = flags; - return rsock_getaddrinfo(host, port, &hints, 1); + return rsock_getaddrinfo(host, port, &hints, 1, timeout); } VALUE -rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup) +rsock_ipaddr(struct sockaddr *sockaddr, socklen_t sockaddrlen, int norevlookup) { VALUE family, port, addr1, addr2; VALUE ary; @@ -362,22 +1114,21 @@ rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup) family = rb_str_dup(rb_id2str(id)); } else { - sprintf(pbuf, "unknown:%d", sockaddr->sa_family); - family = rb_str_new2(pbuf); + family = rb_sprintf("unknown:%d", sockaddr->sa_family); } addr1 = Qnil; if (!norevlookup) { - error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), + error = rb_getnameinfo(sockaddr, sockaddrlen, hbuf, sizeof(hbuf), NULL, 0, 0); if (! error) { addr1 = rb_str_new2(hbuf); } } - error = rb_getnameinfo(sockaddr, SA_LEN(sockaddr), hbuf, sizeof(hbuf), + error = rb_getnameinfo(sockaddr, sockaddrlen, hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV); if (error) { - rsock_raise_socket_error("getnameinfo", error); + rsock_raise_resolution_error("getnameinfo", error); } addr2 = rb_str_new2(hbuf); if (addr1 == Qnil) { @@ -389,36 +1140,70 @@ rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup) return ary; } -#ifdef HAVE_SYS_UN_H -const char* -rsock_unixpath(struct sockaddr_un *sockaddr, socklen_t len) +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN +static long +unixsocket_len(const struct sockaddr_un *su, socklen_t socklen) { - if (sockaddr->sun_path < (char*)sockaddr + len) - return sockaddr->sun_path; + const char *s = su->sun_path, *e = (const char*)su + socklen; + while (s < e && *(e-1) == '\0') + e--; + return e - s; +} + +VALUE +rsock_unixpath_str(struct sockaddr_un *sockaddr, socklen_t len) +{ + long n = unixsocket_len(sockaddr, len); + if (n >= 0) + return rb_str_new(sockaddr->sun_path, n); else - return ""; + return rb_str_new2(""); } VALUE rsock_unixaddr(struct sockaddr_un *sockaddr, socklen_t len) { return rb_assoc_new(rb_str_new2("AF_UNIX"), - rb_str_new2(rsock_unixpath(sockaddr, len))); + rsock_unixpath_str(sockaddr, len)); +} + +socklen_t +rsock_unix_sockaddr_len(VALUE path) +{ +#ifdef __linux__ + if (RSTRING_LEN(path) == 0) { + /* autobind; see unix(7) for details. */ + return (socklen_t) sizeof(sa_family_t); + } + else if (RSTRING_PTR(path)[0] == '\0') { + /* abstract namespace; see unix(7) for details. */ + if (SOCKLEN_MAX - offsetof(struct sockaddr_un, sun_path) < (size_t)RSTRING_LEN(path)) + rb_raise(rb_eArgError, "Linux abstract socket too long"); + return (socklen_t) offsetof(struct sockaddr_un, sun_path) + + RSTRING_SOCKLEN(path); + } + else { +#endif + return (socklen_t) sizeof(struct sockaddr_un); +#ifdef __linux__ + } +#endif } #endif struct hostent_arg { VALUE host; - struct addrinfo* addr; - VALUE (*ipaddr)(struct sockaddr*, size_t); + struct rb_addrinfo* addr; + VALUE (*ipaddr)(struct sockaddr*, socklen_t); }; static VALUE -make_hostent_internal(struct hostent_arg *arg) +make_hostent_internal(VALUE v) { + struct hostent_arg *arg = (void *)v; VALUE host = arg->host; - struct addrinfo* addr = arg->addr; - VALUE (*ipaddr)(struct sockaddr*, size_t) = arg->ipaddr; + struct addrinfo* addr = arg->addr->ai; + VALUE (*ipaddr)(struct sockaddr*, socklen_t) = arg->ipaddr; struct addrinfo *ai; struct hostent *h; @@ -432,11 +1217,12 @@ make_hostent_internal(struct hostent_arg *arg) hostp = addr->ai_canonname; } else { - hostp = host_str(host, hbuf, sizeof(hbuf), NULL); + hostp = raddrinfo_host_str(host, hbuf, sizeof(hbuf), NULL); } rb_ary_push(ary, rb_str_new2(hostp)); - if (addr->ai_canonname && (h = gethostbyname(addr->ai_canonname))) { + if (addr->ai_canonname && strlen(addr->ai_canonname) < NI_MAXHOST && + (h = gethostbyname(addr->ai_canonname))) { names = rb_ary_new(); if (h->h_aliases != NULL) { for (pch = h->h_aliases; *pch; pch++) { @@ -457,7 +1243,15 @@ make_hostent_internal(struct hostent_arg *arg) } VALUE -rsock_make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)) +rsock_freeaddrinfo(VALUE arg) +{ + struct rb_addrinfo *addr = (struct rb_addrinfo *)arg; + rb_freeaddrinfo(addr); + return Qnil; +} + +VALUE +rsock_make_hostent(VALUE host, struct rb_addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, socklen_t)) { struct hostent_arg arg; @@ -465,7 +1259,7 @@ rsock_make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct soc arg.addr = addr; arg.ipaddr = ipaddr; return rb_ensure(make_hostent_internal, (VALUE)&arg, - RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)addr); + rsock_freeaddrinfo, (VALUE)addr); } typedef struct { @@ -474,41 +1268,43 @@ typedef struct { int pfamily; int socktype; int protocol; - size_t sockaddr_len; - struct sockaddr_storage addr; + socklen_t sockaddr_len; + union_sockaddr addr; } rb_addrinfo_t; static void -addrinfo_mark(rb_addrinfo_t *rai) +addrinfo_mark(void *ptr) { - if (rai) { - rb_gc_mark(rai->inspectname); - rb_gc_mark(rai->canonname); - } + rb_addrinfo_t *rai = ptr; + rb_gc_mark(rai->inspectname); + rb_gc_mark(rai->canonname); } -static void -addrinfo_free(rb_addrinfo_t *rai) +#define addrinfo_free RUBY_TYPED_DEFAULT_FREE + +static size_t +addrinfo_memsize(const void *ptr) { - xfree(rai); + return sizeof(rb_addrinfo_t); } +static const rb_data_type_t addrinfo_type = { + "socket/addrinfo", + {addrinfo_mark, addrinfo_free, addrinfo_memsize,}, + 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_FROZEN_SHAREABLE | RUBY_TYPED_WB_PROTECTED, +}; + static VALUE addrinfo_s_allocate(VALUE klass) { - return Data_Wrap_Struct(klass, addrinfo_mark, addrinfo_free, 0); + return TypedData_Wrap_Struct(klass, &addrinfo_type, 0); } -#define IS_ADDRINFO(obj) (RDATA(obj)->dmark == (RUBY_DATA_FUNC)addrinfo_mark) -static rb_addrinfo_t * +#define IS_ADDRINFO(obj) rb_typeddata_is_kind_of((obj), &addrinfo_type) +static inline rb_addrinfo_t * check_addrinfo(VALUE self) { - Check_Type(self, RUBY_T_DATA); - if (!IS_ADDRINFO(self)) { - rb_raise(rb_eTypeError, "wrong argument type %s (expected Addrinfo)", - rb_class2name(CLASS_OF(self))); - } - return DATA_PTR(self); + return rb_check_typeddata(self, &addrinfo_type); } static rb_addrinfo_t * @@ -524,21 +1320,20 @@ get_addrinfo(VALUE self) static rb_addrinfo_t * -alloc_addrinfo() +alloc_addrinfo(void) { - rb_addrinfo_t *rai = ALLOC(rb_addrinfo_t); - memset(rai, 0, sizeof(rb_addrinfo_t)); + rb_addrinfo_t *rai = ZALLOC(rb_addrinfo_t); rai->inspectname = Qnil; rai->canonname = Qnil; return rai; } static void -init_addrinfo(rb_addrinfo_t *rai, struct sockaddr *sa, size_t len, +init_addrinfo(VALUE self, rb_addrinfo_t *rai, struct sockaddr *sa, socklen_t len, int pfamily, int socktype, int protocol, VALUE canonname, VALUE inspectname) { - if (sizeof(rai->addr) < len) + if ((socklen_t)sizeof(rai->addr) < len) rb_raise(rb_eArgError, "sockaddr string too big"); memcpy((void *)&rai->addr, (void *)sa, len); rai->sockaddr_len = len; @@ -546,8 +1341,8 @@ init_addrinfo(rb_addrinfo_t *rai, struct sockaddr *sa, size_t len, rai->pfamily = pfamily; rai->socktype = socktype; rai->protocol = protocol; - rai->canonname = canonname; - rai->inspectname = inspectname; + RB_OBJ_WRITE(self, &rai->canonname, canonname); + RB_OBJ_WRITE(self, &rai->inspectname, inspectname); } VALUE @@ -560,58 +1355,60 @@ rsock_addrinfo_new(struct sockaddr *addr, socklen_t len, a = addrinfo_s_allocate(rb_cAddrinfo); DATA_PTR(a) = rai = alloc_addrinfo(); - init_addrinfo(rai, addr, len, family, socktype, protocol, canonname, inspectname); + init_addrinfo(a, rai, addr, len, family, socktype, protocol, canonname, inspectname); return a; } -static struct addrinfo * +static struct rb_addrinfo * call_getaddrinfo(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags, - int socktype_hack) + int socktype_hack, VALUE timeout) { - struct addrinfo hints, *res; + struct addrinfo hints; + struct rb_addrinfo *res; MEMZERO(&hints, struct addrinfo, 1); hints.ai_family = NIL_P(family) ? PF_UNSPEC : rsock_family_arg(family); if (!NIL_P(socktype)) { - hints.ai_socktype = rsock_socktype_arg(socktype); + hints.ai_socktype = rsock_socktype_arg(socktype); } if (!NIL_P(protocol)) { - hints.ai_protocol = NUM2INT(protocol); + hints.ai_protocol = NUM2INT(protocol); } if (!NIL_P(flags)) { - hints.ai_flags = NUM2INT(flags); + hints.ai_flags = NUM2INT(flags); } - res = rsock_getaddrinfo(node, service, &hints, socktype_hack); + + res = rsock_getaddrinfo(node, service, &hints, socktype_hack, timeout); if (res == NULL) - rb_raise(rb_eSocket, "host not found"); + rb_raise(rb_eSocket, "host not found"); return res; } static VALUE make_inspectname(VALUE node, VALUE service, struct addrinfo *res); static void -init_addrinfo_getaddrinfo(rb_addrinfo_t *rai, VALUE node, VALUE service, +init_addrinfo_getaddrinfo(VALUE self, rb_addrinfo_t *rai, VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags, VALUE inspectnode, VALUE inspectservice) { - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 1); + struct rb_addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 1, Qnil); VALUE canonname; - VALUE inspectname = rb_str_equal(node, inspectnode) ? Qnil : make_inspectname(inspectnode, inspectservice, res); + VALUE inspectname = rb_str_equal(node, inspectnode) ? Qnil : make_inspectname(inspectnode, inspectservice, res->ai); canonname = Qnil; - if (res->ai_canonname) { - canonname = rb_tainted_str_new_cstr(res->ai_canonname); + if (res->ai->ai_canonname) { + canonname = rb_str_new_cstr(res->ai->ai_canonname); OBJ_FREEZE(canonname); } - init_addrinfo(rai, res->ai_addr, res->ai_addrlen, + init_addrinfo(self, rai, res->ai->ai_addr, res->ai->ai_addrlen, NUM2INT(family), NUM2INT(socktype), NUM2INT(protocol), canonname, inspectname); - freeaddrinfo(res); + rb_freeaddrinfo(res); } static VALUE @@ -620,31 +1417,32 @@ make_inspectname(VALUE node, VALUE service, struct addrinfo *res) VALUE inspectname = Qnil; if (res) { + /* drop redundant information which also shown in address:port part. */ char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; int ret; ret = rb_getnameinfo(res->ai_addr, res->ai_addrlen, hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV); if (ret == 0) { - if (TYPE(node) == T_STRING && strcmp(hbuf, RSTRING_PTR(node)) == 0) + if (RB_TYPE_P(node, T_STRING) && strcmp(hbuf, RSTRING_PTR(node)) == 0) node = Qnil; - if (TYPE(service) == T_STRING && strcmp(pbuf, RSTRING_PTR(service)) == 0) + if (RB_TYPE_P(service, T_STRING) && strcmp(pbuf, RSTRING_PTR(service)) == 0) service = Qnil; - else if (TYPE(service) == T_FIXNUM && atoi(pbuf) == FIX2INT(service)) + else if (RB_TYPE_P(service, T_FIXNUM) && atoi(pbuf) == FIX2INT(service)) service = Qnil; } } - if (TYPE(node) == T_STRING) { + if (RB_TYPE_P(node, T_STRING)) { inspectname = rb_str_dup(node); } - if (TYPE(service) == T_STRING) { + if (RB_TYPE_P(service, T_STRING)) { if (NIL_P(inspectname)) inspectname = rb_sprintf(":%s", StringValueCStr(service)); else rb_str_catf(inspectname, ":%s", StringValueCStr(service)); } - else if (TYPE(service) == T_FIXNUM && FIX2INT(service) != 0) + else if (RB_TYPE_P(service, T_FIXNUM) && FIX2INT(service) != 0) { if (NIL_P(inspectname)) inspectname = rb_sprintf(":%d", FIX2INT(service)); @@ -652,8 +1450,6 @@ make_inspectname(VALUE node, VALUE service, struct addrinfo *res) rb_str_catf(inspectname, ":%d", FIX2INT(service)); } if (!NIL_P(inspectname)) { - OBJ_INFECT(inspectname, node); - OBJ_INFECT(inspectname, service); OBJ_FREEZE(inspectname); } return inspectname; @@ -666,42 +1462,43 @@ addrinfo_firstonly_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE canonname; VALUE inspectname; - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); + struct rb_addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0, Qnil); - inspectname = make_inspectname(node, service, res); + inspectname = make_inspectname(node, service, res->ai); canonname = Qnil; - if (res->ai_canonname) { - canonname = rb_tainted_str_new_cstr(res->ai_canonname); + if (res->ai->ai_canonname) { + canonname = rb_str_new_cstr(res->ai->ai_canonname); OBJ_FREEZE(canonname); } - ret = rsock_addrinfo_new(res->ai_addr, res->ai_addrlen, - res->ai_family, res->ai_socktype, res->ai_protocol, + ret = rsock_addrinfo_new(res->ai->ai_addr, res->ai->ai_addrlen, + res->ai->ai_family, res->ai->ai_socktype, + res->ai->ai_protocol, canonname, inspectname); - freeaddrinfo(res); + rb_freeaddrinfo(res); return ret; } static VALUE -addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags) +addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE protocol, VALUE flags, VALUE timeout) { VALUE ret; struct addrinfo *r; VALUE inspectname; - struct addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0); + struct rb_addrinfo *res = call_getaddrinfo(node, service, family, socktype, protocol, flags, 0, timeout); - inspectname = make_inspectname(node, service, res); + inspectname = make_inspectname(node, service, res->ai); ret = rb_ary_new(); - for (r = res; r; r = r->ai_next) { + for (r = res->ai; r; r = r->ai_next) { VALUE addr; VALUE canonname = Qnil; if (r->ai_canonname) { - canonname = rb_tainted_str_new_cstr(r->ai_canonname); + canonname = rb_str_new_cstr(r->ai_canonname); OBJ_FREEZE(canonname); } @@ -712,29 +1509,37 @@ addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE rb_ary_push(ret, addr); } - freeaddrinfo(res); + rb_freeaddrinfo(res); return ret; } -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN static void -init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path, int socktype) +init_unix_addrinfo(VALUE self, rb_addrinfo_t *rai, VALUE path, int socktype) { struct sockaddr_un un; + socklen_t len; StringValue(path); - if (sizeof(un.sun_path) <= (size_t)RSTRING_LEN(path)) - rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", - (int)sizeof(un.sun_path)-1); - - MEMZERO(&un, struct sockaddr_un, 1); + if (sizeof(un.sun_path) < (size_t)RSTRING_LEN(path)) + rb_raise(rb_eArgError, + "too long unix socket path (%"PRIuSIZE" bytes given but %"PRIuSIZE" bytes max)", + (size_t)RSTRING_LEN(path), sizeof(un.sun_path)); - un.sun_family = AF_UNIX; + INIT_SOCKADDR_UN(&un, sizeof(struct sockaddr_un)); memcpy((void*)&un.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); - - init_addrinfo(rai, (struct sockaddr *)&un, sizeof(un), PF_UNIX, socktype, 0, Qnil, Qnil); + + len = rsock_unix_sockaddr_len(path); + init_addrinfo(self, rai, (struct sockaddr *)&un, len, + PF_UNIX, socktype, 0, Qnil, Qnil); +} + +static long +rai_unixsocket_len(const rb_addrinfo_t *rai) +{ + return unixsocket_len(&rai->addr.un, rai->sockaddr_len); } #endif @@ -756,13 +1561,13 @@ init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path, int socktype) * Socket.sockaddr_in or Socket.unpack_sockaddr_un. * * sockaddr examples: - * - ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] - * - ["AF_INET6", 42304, "ip6-localhost", "::1"] - * - ["AF_UNIX", "/tmp/sock"] - * - Socket.sockaddr_in("smtp", "2001:DB8::1") - * - Socket.sockaddr_in(80, "172.18.22.42") - * - Socket.sockaddr_in(80, "www.ruby-lang.org") - * - Socket.sockaddr_un("/tmp/sock") + * - <code>["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"]</code> + * - <code>["AF_INET6", 42304, "ip6-localhost", "::1"]</code> + * - <code>["AF_UNIX", "/tmp/sock"]</code> + * - <code>Socket.sockaddr_in("smtp", "2001:DB8::1")</code> + * - <code>Socket.sockaddr_in(80, "172.18.22.42")</code> + * - <code>Socket.sockaddr_in(80, "www.ruby-lang.org")</code> + * - <code>Socket.sockaddr_un("/tmp/sock")</code> * * In an AF_INET/AF_INET6 sockaddr array, the 4th element, * numeric IP address, is used to construct socket address in the Addrinfo instance. @@ -791,7 +1596,7 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) VALUE sockaddr_arg, sockaddr_ary, pfamily, socktype, protocol; int i_pfamily, i_socktype, i_protocol; struct sockaddr *sockaddr_ptr; - size_t sockaddr_len; + socklen_t sockaddr_len; VALUE canonname = Qnil, inspectname = Qnil; if (check_addrinfo(self)) @@ -810,7 +1615,7 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) int af; StringValue(afamily); if (rsock_family_to_int(RSTRING_PTR(afamily), RSTRING_LEN(afamily), &af) == -1) - rb_raise(rb_eSocket, "unknown address family: %s", StringValueCStr(afamily)); + rb_raise(rb_eSocket, "unknown address family: %s", StringValueCStr(afamily)); switch (af) { case AF_INET: /* ["AF_INET", 46102, "localhost.localdomain", "127.0.0.1"] */ #ifdef INET6 @@ -831,19 +1636,19 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) flags |= AI_NUMERICSERV; #endif - init_addrinfo_getaddrinfo(rai, numericnode, service, + init_addrinfo_getaddrinfo(self, rai, numericnode, service, INT2NUM(i_pfamily ? i_pfamily : af), INT2NUM(i_socktype), INT2NUM(i_protocol), INT2NUM(flags), nodename, service); break; } -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: /* ["AF_UNIX", "/tmp/sock"] */ { VALUE path = rb_ary_entry(sockaddr_ary, 1); StringValue(path); - init_unix_addrinfo(rai, path, SOCK_STREAM); + init_unix_addrinfo(self, rai, path, SOCK_STREAM); break; } #endif @@ -855,8 +1660,8 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) else { StringValue(sockaddr_arg); sockaddr_ptr = (struct sockaddr *)RSTRING_PTR(sockaddr_arg); - sockaddr_len = RSTRING_LEN(sockaddr_arg); - init_addrinfo(rai, sockaddr_ptr, sockaddr_len, + sockaddr_len = RSTRING_SOCKLEN(sockaddr_arg); + init_addrinfo(self, rai, sockaddr_ptr, sockaddr_len, i_pfamily, i_socktype, i_protocol, canonname, inspectname); } @@ -865,52 +1670,80 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) } static int -get_afamily(struct sockaddr *addr, socklen_t len) +get_afamily(const struct sockaddr *addr, socklen_t len) { - if ((char*)&addr->sa_family + sizeof(addr->sa_family) - (char*)addr <= len) + if ((socklen_t)((const char*)&addr->sa_family + sizeof(addr->sa_family) - (char*)addr) <= len) return addr->sa_family; else return AF_UNSPEC; } static int -ai_get_afamily(rb_addrinfo_t *rai) +ai_get_afamily(const rb_addrinfo_t *rai) { - return get_afamily((struct sockaddr *)&rai->addr, rai->sockaddr_len); + return get_afamily(&rai->addr.addr, rai->sockaddr_len); } static VALUE inspect_sockaddr(VALUE addrinfo, VALUE ret) { rb_addrinfo_t *rai = get_addrinfo(addrinfo); + union_sockaddr *sockaddr = &rai->addr; + socklen_t socklen = rai->sockaddr_len; + return rsock_inspect_sockaddr((struct sockaddr *)sockaddr, socklen, ret); +} - if (rai->sockaddr_len == 0) { +VALUE +rsock_inspect_sockaddr(struct sockaddr *sockaddr_arg, socklen_t socklen, VALUE ret) +{ + union_sockaddr *sockaddr = (union_sockaddr *)sockaddr_arg; + if (socklen == 0) { rb_str_cat2(ret, "empty-sockaddr"); } - else if ((long)rai->sockaddr_len < ((char*)&rai->addr.ss_family + sizeof(rai->addr.ss_family)) - (char*)&rai->addr) + else if ((long)socklen < ((char*)&sockaddr->addr.sa_family + sizeof(sockaddr->addr.sa_family)) - (char*)sockaddr) rb_str_cat2(ret, "too-short-sockaddr"); else { - switch (rai->addr.ss_family) { + switch (sockaddr->addr.sa_family) { + case AF_UNSPEC: + { + rb_str_cat2(ret, "UNSPEC"); + break; + } + case AF_INET: { struct sockaddr_in *addr; int port; - if (rai->sockaddr_len < sizeof(struct sockaddr_in)) { - rb_str_cat2(ret, "too-short-AF_INET-sockaddr"); - } - else { - addr = (struct sockaddr_in *)&rai->addr; - rb_str_catf(ret, "%d.%d.%d.%d", - ((unsigned char*)&addr->sin_addr)[0], - ((unsigned char*)&addr->sin_addr)[1], - ((unsigned char*)&addr->sin_addr)[2], - ((unsigned char*)&addr->sin_addr)[3]); + addr = &sockaddr->in; + if ((socklen_t)(((char*)&addr->sin_addr)-(char*)addr+0+1) <= socklen) + rb_str_catf(ret, "%d", ((unsigned char*)&addr->sin_addr)[0]); + else + rb_str_cat2(ret, "?"); + if ((socklen_t)(((char*)&addr->sin_addr)-(char*)addr+1+1) <= socklen) + rb_str_catf(ret, ".%d", ((unsigned char*)&addr->sin_addr)[1]); + else + rb_str_cat2(ret, ".?"); + if ((socklen_t)(((char*)&addr->sin_addr)-(char*)addr+2+1) <= socklen) + rb_str_catf(ret, ".%d", ((unsigned char*)&addr->sin_addr)[2]); + else + rb_str_cat2(ret, ".?"); + if ((socklen_t)(((char*)&addr->sin_addr)-(char*)addr+3+1) <= socklen) + rb_str_catf(ret, ".%d", ((unsigned char*)&addr->sin_addr)[3]); + else + rb_str_cat2(ret, ".?"); + + if ((socklen_t)(((char*)&addr->sin_port)-(char*)addr+(int)sizeof(addr->sin_port)) < socklen) { port = ntohs(addr->sin_port); if (port) rb_str_catf(ret, ":%d", port); - if (sizeof(struct sockaddr_in) < rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in))); } + else { + rb_str_cat2(ret, ":?"); + } + if ((socklen_t)sizeof(struct sockaddr_in) != socklen) + rb_str_catf(ret, " (%d bytes for %d bytes sockaddr_in)", + (int)socklen, + (int)sizeof(struct sockaddr_in)); break; } @@ -921,20 +1754,20 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) char hbuf[1024]; int port; int error; - if (rai->sockaddr_len < sizeof(struct sockaddr_in6)) { - rb_str_cat2(ret, "too-short-AF_INET6-sockaddr"); + if (socklen < (socklen_t)sizeof(struct sockaddr_in6)) { + rb_str_catf(ret, "too-short-AF_INET6-sockaddr %d bytes", (int)socklen); } else { - addr = (struct sockaddr_in6 *)&rai->addr; + addr = &sockaddr->in6; /* use getnameinfo for scope_id. * RFC 4007: IPv6 Scoped Address Architecture * draft-ietf-ipv6-scope-api-00.txt: Scoped Address Extensions to the IPv6 Basic Socket API */ - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, - hbuf, sizeof(hbuf), NULL, 0, - NI_NUMERICHOST|NI_NUMERICSERV); + error = rb_getnameinfo(&sockaddr->addr, socklen, + hbuf, (socklen_t)sizeof(hbuf), NULL, 0, + NI_NUMERICHOST|NI_NUMERICSERV); if (error) { - rsock_raise_socket_error("getnameinfo", error); + rsock_raise_resolution_error("getnameinfo", error); } if (addr->sin6_port == 0) { rb_str_cat2(ret, hbuf); @@ -943,65 +1776,198 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) port = ntohs(addr->sin6_port); rb_str_catf(ret, "[%s]:%d", hbuf, port); } - if (sizeof(struct sockaddr_in6) < rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in6))); + if ((socklen_t)sizeof(struct sockaddr_in6) < socklen) + rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(socklen - sizeof(struct sockaddr_in6))); } break; } #endif -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: { - struct sockaddr_un *addr = (struct sockaddr_un *)&rai->addr; - char *p, *s, *t, *e; + struct sockaddr_un *addr = &sockaddr->un; + char *p, *s, *e; + long len = unixsocket_len(addr, socklen); s = addr->sun_path; - e = (char*)addr + rai->sockaddr_len; - if (e < s) + if (len < 0) rb_str_cat2(ret, "too-short-AF_UNIX-sockaddr"); - else if (s == e) + else if (len == 0) rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); else { int printable_only = 1; + e = s + len; p = s; - while (p < e && *p != '\0') { + while (p < e) { printable_only = printable_only && ISPRINT(*p) && !ISSPACE(*p); p++; } - t = p; - while (p < e && *p == '\0') - p++; - if (printable_only && /* only printable, no space */ - t < e && /* NUL terminated */ - p == e) { /* no data after NUL */ - if (s == t) - rb_str_cat2(ret, "empty-path-AF_UNIX-sockaddr"); - else if (s[0] == '/') /* absolute path */ - rb_str_cat2(ret, s); - else - rb_str_catf(ret, "AF_UNIX %s", s); + if (printable_only) { /* only printable, no space */ + if (s[0] != '/') /* relative path */ + rb_str_cat2(ret, "UNIX "); + rb_str_cat(ret, s, p - s); } else { - rb_str_cat2(ret, "AF_UNIX"); - e = (char *)addr->sun_path + sizeof(addr->sun_path); - while (s < e && *(e-1) == '\0') - e--; + rb_str_cat2(ret, "UNIX"); while (s < e) rb_str_catf(ret, ":%02x", (unsigned char)*s++); } - if (addr->sun_path + sizeof(addr->sun_path) < (char*)&rai->addr + rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", - (int)(rai->sockaddr_len - (addr->sun_path + sizeof(addr->sun_path) - (char*)&rai->addr))); } break; } #endif +#if defined(AF_PACKET) && defined(__linux__) + /* GNU/Linux */ + case AF_PACKET: + { + struct sockaddr_ll *addr; + const char *sep = "["; +#define CATSEP do { rb_str_cat2(ret, sep); sep = " "; } while (0); + + addr = (struct sockaddr_ll *)sockaddr; + + rb_str_cat2(ret, "PACKET"); + + if (offsetof(struct sockaddr_ll, sll_protocol) + sizeof(addr->sll_protocol) <= (size_t)socklen) { + CATSEP; + rb_str_catf(ret, "protocol=%d", ntohs(addr->sll_protocol)); + } + if (offsetof(struct sockaddr_ll, sll_ifindex) + sizeof(addr->sll_ifindex) <= (size_t)socklen) { + char buf[IFNAMSIZ]; + CATSEP; + if (if_indextoname(addr->sll_ifindex, buf) == NULL) + rb_str_catf(ret, "ifindex=%d", addr->sll_ifindex); + else + rb_str_catf(ret, "%s", buf); + } + if (offsetof(struct sockaddr_ll, sll_hatype) + sizeof(addr->sll_hatype) <= (size_t)socklen) { + CATSEP; + rb_str_catf(ret, "hatype=%d", addr->sll_hatype); + } + if (offsetof(struct sockaddr_ll, sll_pkttype) + sizeof(addr->sll_pkttype) <= (size_t)socklen) { + CATSEP; + if (addr->sll_pkttype == PACKET_HOST) + rb_str_cat2(ret, "HOST"); + else if (addr->sll_pkttype == PACKET_BROADCAST) + rb_str_cat2(ret, "BROADCAST"); + else if (addr->sll_pkttype == PACKET_MULTICAST) + rb_str_cat2(ret, "MULTICAST"); + else if (addr->sll_pkttype == PACKET_OTHERHOST) + rb_str_cat2(ret, "OTHERHOST"); + else if (addr->sll_pkttype == PACKET_OUTGOING) + rb_str_cat2(ret, "OUTGOING"); + else + rb_str_catf(ret, "pkttype=%d", addr->sll_pkttype); + } + if (socklen != (socklen_t)(offsetof(struct sockaddr_ll, sll_addr) + addr->sll_halen)) { + CATSEP; + if (offsetof(struct sockaddr_ll, sll_halen) + sizeof(addr->sll_halen) <= (size_t)socklen) { + rb_str_catf(ret, "halen=%d", addr->sll_halen); + } + } + if (offsetof(struct sockaddr_ll, sll_addr) < (size_t)socklen) { + socklen_t len, i; + CATSEP; + rb_str_cat2(ret, "hwaddr"); + len = addr->sll_halen; + if ((size_t)socklen < offsetof(struct sockaddr_ll, sll_addr) + len) + len = socklen - offsetof(struct sockaddr_ll, sll_addr); + for (i = 0; i < len; i++) { + rb_str_cat2(ret, i == 0 ? "=" : ":"); + rb_str_catf(ret, "%02x", addr->sll_addr[i]); + } + } + + if (socklen < (socklen_t)(offsetof(struct sockaddr_ll, sll_halen) + sizeof(addr->sll_halen)) || + (socklen_t)(offsetof(struct sockaddr_ll, sll_addr) + addr->sll_halen) != socklen) { + CATSEP; + rb_str_catf(ret, "(%d bytes for %d bytes sockaddr_ll)", + (int)socklen, (int)sizeof(struct sockaddr_ll)); + } + + rb_str_cat2(ret, "]"); +#undef CATSEP + + break; + } +#endif + +#if defined(AF_LINK) && defined(HAVE_TYPE_STRUCT_SOCKADDR_DL) + /* AF_LINK is defined in 4.4BSD derivations since Net2. + link_ntoa is also defined at Net2. + However Debian GNU/kFreeBSD defines AF_LINK but + don't have link_ntoa. */ + case AF_LINK: + { + /* + * Simple implementation using link_ntoa(): + * This doesn't work on Debian GNU/kFreeBSD 6.0.7 (squeeze). + * Also, the format is bit different. + * + * rb_str_catf(ret, "LINK %s", link_ntoa(&sockaddr->dl)); + * break; + */ + struct sockaddr_dl *addr = &sockaddr->dl; + char *np = NULL, *ap = NULL, *endp; + int nlen = 0, alen = 0; + int i, off; + const char *sep = "["; +#define CATSEP do { rb_str_cat2(ret, sep); sep = " "; } while (0); + + rb_str_cat2(ret, "LINK"); + + endp = ((char *)addr) + socklen; + + if (offsetof(struct sockaddr_dl, sdl_data) < socklen) { + np = addr->sdl_data; + nlen = addr->sdl_nlen; + if (endp - np < nlen) + nlen = (int)(endp - np); + } + off = addr->sdl_nlen; + + if (offsetof(struct sockaddr_dl, sdl_data) + off < socklen) { + ap = addr->sdl_data + off; + alen = addr->sdl_alen; + if (endp - ap < alen) + alen = (int)(endp - ap); + } + + CATSEP; + if (np) + rb_str_catf(ret, "%.*s", nlen, np); + else + rb_str_cat2(ret, "?"); + + if (ap && 0 < alen) { + CATSEP; + for (i = 0; i < alen; i++) + rb_str_catf(ret, "%s%02x", i == 0 ? "" : ":", (unsigned char)ap[i]); + } + + if (socklen < (socklen_t)(offsetof(struct sockaddr_dl, sdl_nlen) + sizeof(addr->sdl_nlen)) || + socklen < (socklen_t)(offsetof(struct sockaddr_dl, sdl_alen) + sizeof(addr->sdl_alen)) || + socklen < (socklen_t)(offsetof(struct sockaddr_dl, sdl_slen) + sizeof(addr->sdl_slen)) || + /* longer length is possible behavior because struct sockaddr_dl has "minimum work area, can be larger" as the last field. + * cf. Net2:/usr/src/sys/net/if_dl.h. */ + socklen < (socklen_t)(offsetof(struct sockaddr_dl, sdl_data) + addr->sdl_nlen + addr->sdl_alen + addr->sdl_slen)) { + CATSEP; + rb_str_catf(ret, "(%d bytes for %d bytes sockaddr_dl)", + (int)socklen, (int)sizeof(struct sockaddr_dl)); + } + + rb_str_cat2(ret, "]"); +#undef CATSEP + break; + } +#endif + default: { - ID id = rsock_intern_family(rai->addr.ss_family); + ID id = rsock_intern_family(sockaddr->addr.sa_family); if (id == 0) - rb_str_catf(ret, "unknown address family %d", rai->addr.ss_family); + rb_str_catf(ret, "unknown address family %d", sockaddr->addr.sa_family); else rb_str_catf(ret, "%s address format unknown", rb_id2name(id)); break; @@ -1018,7 +1984,7 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) * * returns a string which shows addrinfo in human-readable form. * - * Addrinfo.tcp("localhost", 80).inspect #=> "#<Addrinfo: 127.0.0.1:80 TCP (localhost:80)>" + * Addrinfo.tcp("localhost", 80).inspect #=> "#<Addrinfo: 127.0.0.1:80 TCP (localhost)>" * Addrinfo.unix("/tmp/sock").inspect #=> "#<Addrinfo: /tmp/sock SOCK_STREAM>" * */ @@ -1102,8 +2068,8 @@ addrinfo_inspect(VALUE self) * Addrinfo.unix("/tmp/sock").inspect_sockaddr #=> "/tmp/sock" * */ -static VALUE -addrinfo_inspect_sockaddr(VALUE self) +VALUE +rsock_addrinfo_inspect_sockaddr(VALUE self) { return inspect_sockaddr(self, rb_str_new("", 0)); } @@ -1153,16 +2119,10 @@ addrinfo_mdump(VALUE self) afamily = rb_id2str(id); switch(afamily_int) { -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: { - struct sockaddr_un *su = (struct sockaddr_un *)&rai->addr; - char *s, *e; - s = su->sun_path; - e = (char*)s + sizeof(su->sun_path); - while (s < e && *(e-1) == '\0') - e--; - sockaddr = rb_str_new(s, e-s); + sockaddr = rb_str_new(rai->addr.un.sun_path, rai_unixsocket_len(rai)); break; } #endif @@ -1171,11 +2131,11 @@ addrinfo_mdump(VALUE self) { char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; int error; - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, - hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), - NI_NUMERICHOST|NI_NUMERICSERV); + error = rb_getnameinfo(&rai->addr.addr, rai->sockaddr_len, + hbuf, (socklen_t)sizeof(hbuf), pbuf, (socklen_t)sizeof(pbuf), + NI_NUMERICHOST|NI_NUMERICSERV); if (error) { - rsock_raise_socket_error("getnameinfo", error); + rsock_raise_resolution_error("getnameinfo", error); } sockaddr = rb_assoc_new(rb_str_new_cstr(hbuf), rb_str_new_cstr(pbuf)); break; @@ -1192,8 +2152,8 @@ addrinfo_mload(VALUE self, VALUE ary) VALUE v; VALUE canonname, inspectname; int afamily, pfamily, socktype, protocol; - struct sockaddr_storage ss; - size_t len; + union_sockaddr ss; + socklen_t len; rb_addrinfo_t *rai; if (check_addrinfo(self)) @@ -1252,18 +2212,19 @@ addrinfo_mload(VALUE self, VALUE ary) v = rb_ary_entry(ary, 1); switch(afamily) { -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: { struct sockaddr_un uaddr; - memset(&uaddr, 0, sizeof(uaddr)); - uaddr.sun_family = AF_UNIX; + INIT_SOCKADDR_UN(&uaddr, sizeof(struct sockaddr_un)); StringValue(v); - if (sizeof(uaddr.sun_path) <= (size_t)RSTRING_LEN(v)) - rb_raise(rb_eSocket, "too long AF_UNIX path"); + if (sizeof(uaddr.sun_path) < (size_t)RSTRING_LEN(v)) + rb_raise(rb_eSocket, + "too long AF_UNIX path (%"PRIuSIZE" bytes given but %"PRIuSIZE" bytes max)", + (size_t)RSTRING_LEN(v), sizeof(uaddr.sun_path)); memcpy(uaddr.sun_path, RSTRING_PTR(v), RSTRING_LEN(v)); - len = sizeof(uaddr); + len = (socklen_t)sizeof(uaddr); memcpy(&ss, &uaddr, len); break; } @@ -1272,23 +2233,24 @@ addrinfo_mload(VALUE self, VALUE ary) default: { VALUE pair = rb_convert_type(v, T_ARRAY, "Array", "to_ary"); - struct addrinfo *res; + struct rb_addrinfo *res; int flags = AI_NUMERICHOST; #ifdef AI_NUMERICSERV flags |= AI_NUMERICSERV; #endif res = call_getaddrinfo(rb_ary_entry(pair, 0), rb_ary_entry(pair, 1), INT2NUM(pfamily), INT2NUM(socktype), INT2NUM(protocol), - INT2NUM(flags), 1); + INT2NUM(flags), 1, Qnil); - len = res->ai_addrlen; - memcpy(&ss, res->ai_addr, res->ai_addrlen); + len = res->ai->ai_addrlen; + memcpy(&ss, res->ai->ai_addr, res->ai->ai_addrlen); + rb_freeaddrinfo(res); break; } } DATA_PTR(self) = rai = alloc_addrinfo(); - init_addrinfo(rai, (struct sockaddr *)&ss, len, + init_addrinfo(self, rai, &ss.addr, len, pfamily, socktype, protocol, canonname, inspectname); return self; @@ -1361,10 +2323,11 @@ addrinfo_protocol(VALUE self) /* * call-seq: * addrinfo.to_sockaddr => string + * addrinfo.to_s => string * * returns the socket address as packed struct sockaddr string. * - * Addrinfo.tcp("localhost", 80).to_sockaddr + * Addrinfo.tcp("localhost", 80).to_sockaddr * #=> "\x02\x00\x00P\x7F\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" * */ @@ -1374,7 +2337,6 @@ addrinfo_to_sockaddr(VALUE self) rb_addrinfo_t *rai = get_addrinfo(self); VALUE ret; ret = rb_str_new((char*)&rai->addr, rai->sockaddr_len); - OBJ_INFECT(ret, self); return ret; } @@ -1382,14 +2344,14 @@ addrinfo_to_sockaddr(VALUE self) * call-seq: * addrinfo.canonname => string or nil * - * returns the canonical name as an string. + * returns the canonical name as a string. * * nil is returned if no canonical name. * * The canonical name is set by Addrinfo.getaddrinfo when AI_CANONNAME is specified. * * list = Addrinfo.getaddrinfo("www.ruby-lang.org", 80, :INET, :STREAM, nil, Socket::AI_CANONNAME) - * p list[0] #=> #<Addrinfo: 221.186.184.68:80 TCP carbon.ruby-lang.org (www.ruby-lang.org:80)> + * p list[0] #=> #<Addrinfo: 221.186.184.68:80 TCP carbon.ruby-lang.org (www.ruby-lang.org)> * p list[0].canonname #=> "carbon.ruby-lang.org" * */ @@ -1515,11 +2477,11 @@ addrinfo_getnameinfo(int argc, VALUE *argv, VALUE self) if (rai->socktype == SOCK_DGRAM) flags |= NI_DGRAM; - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, - hbuf, sizeof(hbuf), pbuf, sizeof(pbuf), - flags); + error = rb_getnameinfo(&rai->addr.addr, rai->sockaddr_len, + hbuf, (socklen_t)sizeof(hbuf), pbuf, (socklen_t)sizeof(pbuf), + flags); if (error) { - rsock_raise_socket_error("getnameinfo", error); + rsock_raise_resolution_error("getnameinfo", error); } return rb_assoc_new(rb_str_new2(hbuf), rb_str_new2(pbuf)); @@ -1543,7 +2505,7 @@ addrinfo_ip_unpack(VALUE self) VALUE ret, portstr; if (!IS_IP_FAMILY(family)) - rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); + rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); vflags = INT2NUM(NI_NUMERICHOST|NI_NUMERICSERV); ret = addrinfo_getnameinfo(1, &vflags, self); @@ -1570,7 +2532,7 @@ addrinfo_ip_address(VALUE self) VALUE ret; if (!IS_IP_FAMILY(family)) - rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); + rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); vflags = INT2NUM(NI_NUMERICHOST|NI_NUMERICSERV); ret = addrinfo_getnameinfo(1, &vflags, self); @@ -1596,9 +2558,9 @@ addrinfo_ip_port(VALUE self) if (!IS_IP_FAMILY(family)) { bad_family: #ifdef AF_INET6 - rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); + rb_raise(rb_eSocket, "need IPv4 or IPv6 address"); #else - rb_raise(rb_eSocket, "need IPv4 address"); + rb_raise(rb_eSocket, "need IPv4 address"); #endif } @@ -1606,19 +2568,19 @@ addrinfo_ip_port(VALUE self) case AF_INET: if (rai->sockaddr_len != sizeof(struct sockaddr_in)) rb_raise(rb_eSocket, "unexpected sockaddr size for IPv4"); - port = ntohs(((struct sockaddr_in *)&rai->addr)->sin_port); + port = ntohs(rai->addr.in.sin_port); break; #ifdef AF_INET6 case AF_INET6: if (rai->sockaddr_len != sizeof(struct sockaddr_in6)) rb_raise(rb_eSocket, "unexpected sockaddr size for IPv6"); - port = ntohs(((struct sockaddr_in6 *)&rai->addr)->sin6_port); + port = ntohs(rai->addr.in6.sin6_port); break; #endif default: - goto bad_family; + goto bad_family; } return INT2NUM(port); @@ -1630,7 +2592,7 @@ extract_in_addr(VALUE self, uint32_t *addrp) rb_addrinfo_t *rai = get_addrinfo(self); int family = ai_get_afamily(rai); if (family != AF_INET) return 0; - *addrp = ntohl(((struct sockaddr_in *)&rai->addr)->sin_addr.s_addr); + *addrp = ntohl(rai->addr.in.sin_addr.s_addr); return 1; } @@ -1686,7 +2648,7 @@ extract_in6_addr(VALUE self) rb_addrinfo_t *rai = get_addrinfo(self); int family = ai_get_afamily(rai); if (family != AF_INET6) return NULL; - return &((struct sockaddr_in6 *)&rai->addr)->sin6_addr; + return &rai->addr.in6.sin6_addr; } /* @@ -1726,7 +2688,7 @@ addrinfo_ipv6_multicast_p(VALUE self) } /* - * Returns true for IPv6 link local address (ff80::/10). + * Returns true for IPv6 link local address (fe80::/10). * It returns false otherwise. */ static VALUE @@ -1738,7 +2700,7 @@ addrinfo_ipv6_linklocal_p(VALUE self) } /* - * Returns true for IPv6 site local address (ffc0::/10). + * Returns true for IPv6 site local address (fec0::/10). * It returns false otherwise. */ static VALUE @@ -1750,6 +2712,18 @@ addrinfo_ipv6_sitelocal_p(VALUE self) } /* + * Returns true for IPv6 unique local address (fc00::/7, RFC4193). + * It returns false otherwise. + */ +static VALUE +addrinfo_ipv6_unique_local_p(VALUE self) +{ + struct in6_addr *addr = extract_in6_addr(self); + if (addr && IN6_IS_ADDR_UNIQUE_LOCAL(addr)) return Qtrue; + return Qfalse; +} + +/* * Returns true for IPv4-mapped IPv6 address (::ffff:0:0/80). * It returns false otherwise. */ @@ -1850,14 +2824,12 @@ addrinfo_ipv6_to_ipv4(VALUE self) struct in6_addr *addr; int family = ai_get_afamily(rai); if (family != AF_INET6) return Qnil; - addr = &((struct sockaddr_in6 *)&rai->addr)->sin6_addr; + addr = &rai->addr.in6.sin6_addr; if (IN6_IS_ADDR_V4MAPPED(addr) || IN6_IS_ADDR_V4COMPAT(addr)) { struct sockaddr_in sin4; - MEMZERO(&sin4, struct sockaddr_in, 1); - sin4.sin_family = AF_INET; - SET_SIN_LEN(&sin4, sizeof(sin4)); + INIT_SOCKADDR_IN(&sin4, sizeof(sin4)); memcpy(&sin4.sin_addr, (char*)addr + sizeof(*addr) - sizeof(sin4.sin_addr), sizeof(sin4.sin_addr)); - return rsock_addrinfo_new((struct sockaddr *)&sin4, sizeof(sin4), + return rsock_addrinfo_new((struct sockaddr *)&sin4, (socklen_t)sizeof(sin4), PF_INET, rai->socktype, rai->protocol, rai->canonname, rai->inspectname); } @@ -1868,7 +2840,7 @@ addrinfo_ipv6_to_ipv4(VALUE self) #endif -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN /* * call-seq: * addrinfo.unix_path => path @@ -1883,25 +2855,27 @@ addrinfo_unix_path(VALUE self) rb_addrinfo_t *rai = get_addrinfo(self); int family = ai_get_afamily(rai); struct sockaddr_un *addr; - char *s, *e; + long n; if (family != AF_UNIX) - rb_raise(rb_eSocket, "need AF_UNIX address"); + rb_raise(rb_eSocket, "need AF_UNIX address"); - addr = (struct sockaddr_un *)&rai->addr; + addr = &rai->addr.un; - s = addr->sun_path; - e = (char*)addr + rai->sockaddr_len; - if (e < s) - rb_raise(rb_eSocket, "too short AF_UNIX address"); - if (addr->sun_path + sizeof(addr->sun_path) < e) - rb_raise(rb_eSocket, "too long AF_UNIX address"); - while (s < e && *(e-1) == '\0') - e--; - return rb_str_new(s, e-s); + n = rai_unixsocket_len(rai); + if (n < 0) + rb_raise(rb_eSocket, "too short AF_UNIX address: %"PRIuSIZE" bytes given for minimum %"PRIuSIZE" bytes.", + (size_t)rai->sockaddr_len, offsetof(struct sockaddr_un, sun_path)); + if ((long)sizeof(addr->sun_path) < n) + rb_raise(rb_eSocket, + "too long AF_UNIX path (%"PRIuSIZE" bytes given but %"PRIuSIZE" bytes max)", + (size_t)n, sizeof(addr->sun_path)); + return rb_str_new(addr->sun_path, n); } #endif +static ID id_timeout; + /* * call-seq: * Addrinfo.getaddrinfo(nodename, service, family, socktype, protocol, flags) => [addrinfo, ...] @@ -1918,31 +2892,46 @@ addrinfo_unix_path(VALUE self) * nodename or service can be nil if no conversion intended. * * family, socktype and protocol are hint for preferred protocol. - * If the result will be used for a socket with SOCK_STREAM, + * If the result will be used for a socket with SOCK_STREAM, * SOCK_STREAM should be specified as socktype. * If so, Addrinfo.getaddrinfo returns addrinfo list appropriate for SOCK_STREAM. * If they are omitted or nil is given, the result is not restricted. - * + * * Similarly, PF_INET6 as family restricts for IPv6. * - * flags should be bitwise OR of Socket::AI_??? constants. + * flags should be bitwise OR of Socket::AI_??? constants such as follows. + * Note that the exact list of the constants depends on OS. + * + * AI_PASSIVE Get address to use with bind() + * AI_CANONNAME Fill in the canonical name + * AI_NUMERICHOST Prevent host name resolution + * AI_NUMERICSERV Prevent service name resolution + * AI_V4MAPPED Accept IPv4-mapped IPv6 addresses + * AI_ALL Allow all addresses + * AI_ADDRCONFIG Accept only if any address is assigned * * Note that socktype should be specified whenever application knows the usage of the address. * Some platform causes an error when socktype is omitted and servname is specified as an integer * because some port numbers, 512 for example, are ambiguous without socktype. * * Addrinfo.getaddrinfo("www.kame.net", 80, nil, :STREAM) - * #=> [#<Addrinfo: 203.178.141.194:80 TCP (www.kame.net:80)>, - * # #<Addrinfo: [2001:200:0:8002:203:47ff:fea5:3085]:80 TCP (www.kame.net:80)>] + * #=> [#<Addrinfo: 203.178.141.194:80 TCP (www.kame.net)>, + * # #<Addrinfo: [2001:200:dff:fff1:216:3eff:feb1:44d7]:80 TCP (www.kame.net)>] * */ static VALUE addrinfo_s_getaddrinfo(int argc, VALUE *argv, VALUE self) { - VALUE node, service, family, socktype, protocol, flags; + VALUE node, service, family, socktype, protocol, flags, opts, timeout; - rb_scan_args(argc, argv, "24", &node, &service, &family, &socktype, &protocol, &flags); - return addrinfo_list_new(node, service, family, socktype, protocol, flags); + rb_scan_args(argc, argv, "24:", &node, &service, &family, &socktype, + &protocol, &flags, &opts); + rb_get_kwargs(opts, &id_timeout, 0, 1, &timeout); + if (timeout == Qundef) { + timeout = Qnil; + } + + return addrinfo_list_new(node, service, family, socktype, protocol, flags, timeout); } /* @@ -1999,7 +2988,7 @@ addrinfo_s_udp(VALUE self, VALUE host, VALUE port) INT2NUM(PF_UNSPEC), INT2NUM(SOCK_DGRAM), INT2NUM(IPPROTO_UDP), INT2FIX(0)); } -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN /* * call-seq: @@ -2029,8 +3018,7 @@ addrinfo_s_unix(int argc, VALUE *argv, VALUE self) addr = addrinfo_s_allocate(rb_cAddrinfo); DATA_PTR(addr) = rai = alloc_addrinfo(); - init_unix_addrinfo(rai, path, socktype); - OBJ_INFECT(addr, path); + init_unix_addrinfo(self, rai, path, socktype); return addr; } @@ -2040,13 +3028,26 @@ VALUE rsock_sockaddr_string_value(volatile VALUE *v) { VALUE val = *v; - if (TYPE(val) == RUBY_T_DATA && IS_ADDRINFO(val)) { + if (IS_ADDRINFO(val)) { *v = addrinfo_to_sockaddr(val); } StringValue(*v); return *v; } +VALUE +rsock_sockaddr_string_value_with_addrinfo(volatile VALUE *v, VALUE *rai_ret) +{ + VALUE val = *v; + *rai_ret = Qnil; + if (IS_ADDRINFO(val)) { + *v = addrinfo_to_sockaddr(val); + *rai_ret = val; + } + StringValue(*v); + return *v; +} + char * rsock_sockaddr_string_value_ptr(volatile VALUE *v) { @@ -2057,7 +3058,7 @@ rsock_sockaddr_string_value_ptr(volatile VALUE *v) VALUE rb_check_sockaddr_string_type(VALUE val) { - if (TYPE(val) == RUBY_T_DATA && IS_ADDRINFO(val)) + if (IS_ADDRINFO(val)) return addrinfo_to_sockaddr(val); return rb_check_string_type(val); } @@ -2068,7 +3069,7 @@ rsock_fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len) int family; int socktype; int ret; - socklen_t optlen = sizeof(socktype); + socklen_t optlen = (socklen_t)sizeof(socktype); /* assumes protocol family and address family are identical */ family = get_afamily(addr, len); @@ -2100,24 +3101,125 @@ rsock_io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len) default: rb_raise(rb_eTypeError, "neither IO nor file descriptor"); } + + UNREACHABLE_RETURN(Qnil); } +#if FAST_FALLBACK_INIT_INETSOCK_IMPL == 1 + +void +free_fast_fallback_getaddrinfo_shared(struct fast_fallback_getaddrinfo_shared **shared) +{ + xfree((*shared)->node); + (*shared)->node = NULL; + xfree((*shared)->service); + (*shared)->service = NULL; + rb_nativethread_lock_destroy(&(*shared)->lock); + free(*shared); + *shared = NULL; +} + +static void * +do_fast_fallback_getaddrinfo(void *ptr) +{ + struct fast_fallback_getaddrinfo_entry *entry = (struct fast_fallback_getaddrinfo_entry *)ptr; + struct fast_fallback_getaddrinfo_shared *shared = entry->shared; + int err = 0, shared_need_free = 0; + struct addrinfo *ai = NULL; + + sigset_t set; + sigemptyset(&set); + sigaddset(&set, SIGPIPE); + pthread_sigmask(SIG_BLOCK, &set, NULL); + + err = numeric_getaddrinfo(shared->node, shared->service, &entry->hints, &entry->ai); + + if (err != 0) { + err = getaddrinfo(shared->node, shared->service, &entry->hints, &entry->ai); + #ifdef __linux__ + /* On Linux (mainly Ubuntu 13.04) /etc/nsswitch.conf has mdns4 and + * it cause getaddrinfo to return EAI_SYSTEM/ENOENT. [ruby-list:49420] + */ + if (err == EAI_SYSTEM && errno == ENOENT) + err = EAI_NONAME; + #endif + } + + /* for testing HEv2 */ + if (entry->test_sleep_ms > 0) { + struct timespec sleep_ts; + sleep_ts.tv_sec = entry->test_sleep_ms / 1000; + sleep_ts.tv_nsec = (entry->test_sleep_ms % 1000) * 1000000L; + if (sleep_ts.tv_nsec >= 1000000000L) { + sleep_ts.tv_sec += sleep_ts.tv_nsec / 1000000000L; + sleep_ts.tv_nsec = sleep_ts.tv_nsec % 1000000000L; + } + nanosleep(&sleep_ts, NULL); + } + if (entry->test_ecode != 0) { + err = entry->test_ecode; + if (entry->ai) { + freeaddrinfo(entry->ai); + entry->ai = NULL; + } + } + + rb_nativethread_lock_lock(&shared->lock); + { + entry->err = err; + const char notification = entry->family == AF_INET6 ? + IPV6_HOSTNAME_RESOLVED : IPV4_HOSTNAME_RESOLVED; + + if (shared->notify != -1 && (write(shared->notify, ¬ification, 1)) < 0) { + entry->err = errno; + entry->has_syserr = true; + } + if (--(entry->refcount) == 0) { + ai = entry->ai; + entry->ai = NULL; + } + if (--(shared->refcount) == 0) shared_need_free = 1; + } + rb_nativethread_lock_unlock(&shared->lock); + + if (ai) freeaddrinfo(ai); + if (shared_need_free && shared) { + free_fast_fallback_getaddrinfo_shared(&shared); + } + + return 0; +} + +void * +fork_safe_do_fast_fallback_getaddrinfo(void *ptr) +{ + return rb_thread_prevent_fork(do_fast_fallback_getaddrinfo, ptr); +} + +#endif + /* * Addrinfo class */ void -Init_addrinfo(void) +rsock_init_addrinfo(void) { - rb_cAddrinfo = rb_define_class("Addrinfo", rb_cData); + id_timeout = rb_intern("timeout"); + + /* + * The Addrinfo class maps <tt>struct addrinfo</tt> to ruby. This + * structure identifies an Internet host and a service. + */ + rb_cAddrinfo = rb_define_class("Addrinfo", rb_cObject); rb_define_alloc_func(rb_cAddrinfo, addrinfo_s_allocate); rb_define_method(rb_cAddrinfo, "initialize", addrinfo_initialize, -1); rb_define_method(rb_cAddrinfo, "inspect", addrinfo_inspect, 0); - rb_define_method(rb_cAddrinfo, "inspect_sockaddr", addrinfo_inspect_sockaddr, 0); + rb_define_method(rb_cAddrinfo, "inspect_sockaddr", rsock_addrinfo_inspect_sockaddr, 0); rb_define_singleton_method(rb_cAddrinfo, "getaddrinfo", addrinfo_s_getaddrinfo, -1); rb_define_singleton_method(rb_cAddrinfo, "ip", addrinfo_s_ip, 1); rb_define_singleton_method(rb_cAddrinfo, "tcp", addrinfo_s_tcp, 2); rb_define_singleton_method(rb_cAddrinfo, "udp", addrinfo_s_udp, 2); -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN rb_define_singleton_method(rb_cAddrinfo, "unix", addrinfo_s_unix, -1); #endif @@ -2146,6 +3248,7 @@ Init_addrinfo(void) rb_define_method(rb_cAddrinfo, "ipv6_multicast?", addrinfo_ipv6_multicast_p, 0); rb_define_method(rb_cAddrinfo, "ipv6_linklocal?", addrinfo_ipv6_linklocal_p, 0); rb_define_method(rb_cAddrinfo, "ipv6_sitelocal?", addrinfo_ipv6_sitelocal_p, 0); + rb_define_method(rb_cAddrinfo, "ipv6_unique_local?", addrinfo_ipv6_unique_local_p, 0); rb_define_method(rb_cAddrinfo, "ipv6_v4mapped?", addrinfo_ipv6_v4mapped_p, 0); rb_define_method(rb_cAddrinfo, "ipv6_v4compat?", addrinfo_ipv6_v4compat_p, 0); rb_define_method(rb_cAddrinfo, "ipv6_mc_nodelocal?", addrinfo_ipv6_mc_nodelocal_p, 0); @@ -2157,7 +3260,7 @@ Init_addrinfo(void) rb_define_method(rb_cAddrinfo, "ipv6_to_ipv4", addrinfo_ipv6_to_ipv4, 0); #endif -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN rb_define_method(rb_cAddrinfo, "unix_path", addrinfo_unix_path, 0); #endif diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h index 27980c3874..2ec3ab335a 100644 --- a/ext/socket/rubysocket.h +++ b/ext/socket/rubysocket.h @@ -1,91 +1,178 @@ #ifndef RUBY_SOCKET_H #define RUBY_SOCKET_H 1 -#include "ruby/ruby.h" -#include "ruby/io.h" -#include "ruby/util.h" +#include "ruby/config.h" +#include RUBY_EXTCONF_H + +#if defined(__sun) || defined(_AIX) +/* (Recent?) Solaris' <nfs/nfs.h> have conflicting definition of T_DATA. Let + * us honour system definition by undefining ours. + * + * See also [ruby-core:4261] + */ +# include "ruby/ruby.h" +# undef T_DATA +#endif + +#include <errno.h> #include <stdio.h> + #include <sys/types.h> #include <sys/stat.h> #ifdef HAVE_UNISTD_H -#include <unistd.h> +# include <unistd.h> #endif #ifdef HAVE_SYS_UIO_H -#include <sys/uio.h> +# include <sys/uio.h> #endif #ifdef HAVE_XTI_H -#include <xti.h> +# include <xti.h> #endif -#ifndef _WIN32 -#if defined(__BEOS__) && !defined(__HAIKU__) && !defined(BONE) -# include <net/socket.h> +#ifdef _WIN32 +# include <winsock2.h> +# include <ws2tcpip.h> +# include <mswsock.h> +# include <iphlpapi.h> +# if defined(_MSC_VER) +# undef HAVE_TYPE_STRUCT_SOCKADDR_DL +# endif #else -# include <sys/socket.h> -#endif -#include <netinet/in.h> -#ifdef HAVE_NETINET_IN_SYSTM_H -# include <netinet/in_systm.h> -#endif -#ifdef HAVE_NETINET_TCP_H -# include <netinet/tcp.h> -#endif -#ifdef HAVE_NETINET_UDP_H -# include <netinet/udp.h> -#endif -#ifdef HAVE_ARPA_INET_H -# include <arpa/inet.h> +# include <sys/socket.h> +# include <netinet/in.h> +# ifdef HAVE_NETINET_IN_SYSTM_H +# include <netinet/in_systm.h> +# endif +# ifdef HAVE_NETINET_TCP_H +# include <netinet/tcp.h> +# endif +# ifdef HAVE_NETINET_TCP_FSM_H +# include <netinet/tcp_fsm.h> +# endif +# ifdef HAVE_NETINET_UDP_H +# include <netinet/udp.h> +# endif +# ifdef HAVE_ARPA_INET_H +# include <arpa/inet.h> +# endif +# include <netdb.h> +#endif + +#ifdef HAVE_NETPACKET_PACKET_H +# include <netpacket/packet.h> +#endif + +#ifdef HAVE_NET_ETHERNET_H +# include <net/ethernet.h> #endif -#include <netdb.h> -#endif -#include <errno.h> + #ifdef HAVE_SYS_UN_H -#include <sys/un.h> +# include <sys/un.h> #endif -#if defined(HAVE_FCNTL) -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#ifdef HAVE_FCNTL_H -#include <fcntl.h> +#ifdef HAVE_AFUNIX_H +// Windows doesn't have sys/un.h, but it does have afunix.h just to be special: +# include <afunix.h> #endif + +#if defined(HAVE_FCNTL) +# ifdef HAVE_SYS_SELECT_H +# include <sys/select.h> +# endif +# ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +# endif +# ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +# endif +# ifdef HAVE_FCNTL_H +# include <fcntl.h> +# endif #endif #ifdef HAVE_IFADDRS_H -#include <ifaddrs.h> +# ifdef __HAIKU__ +# define _BSD_SOURCE +# endif +# include <ifaddrs.h> #endif + #ifdef HAVE_SYS_IOCTL_H -#include <sys/ioctl.h> +# include <sys/ioctl.h> #endif + #ifdef HAVE_SYS_SOCKIO_H -#include <sys/sockio.h> +# include <sys/sockio.h> #endif + #ifdef HAVE_NET_IF_H -#include <net/if.h> +# include <net/if.h> #endif #ifdef HAVE_SYS_PARAM_H -#include <sys/param.h> +# include <sys/param.h> #endif + #ifdef HAVE_SYS_UCRED_H -#include <sys/ucred.h> +# include <sys/ucred.h> #endif + #ifdef HAVE_UCRED_H -#include <ucred.h> +# include <ucred.h> +#endif + +#ifdef HAVE_NET_IF_DL_H +# include <net/if_dl.h> +#endif + +#ifdef SOCKS5 +# include <socks.h> +#endif + +#ifndef HAVE_GETADDRINFO +# include "addrinfo.h" +#endif + +#include "internal.h" +#include "internal/array.h" +#include "internal/compilers.h" +#include "internal/error.h" +#include "internal/gc.h" +#include "internal/io.h" +#include "internal/thread.h" +#include "internal/vm.h" +#include "ruby/io.h" +#include "ruby/ruby.h" +#include "ruby/thread.h" +#include "ruby/util.h" +#include "sockport.h" +#include "ruby/fiber/scheduler.h" + +#ifndef HAVE_TYPE_SOCKLEN_T +typedef int socklen_t; +#endif + +#ifdef NEED_IF_INDEXTONAME_DECL +char *if_indextoname(unsigned int, char *); +#endif +#ifdef NEED_IF_NAMETOINDEX_DECL +unsigned int if_nametoindex(const char *); +#endif + +#define SOCKLEN_MAX \ + (0 < (socklen_t)-1 ? \ + ~(socklen_t)0 : \ + (((((socklen_t)1) << (sizeof(socklen_t) * CHAR_BIT - 2)) - 1) * 2 + 1)) + +#ifndef RSTRING_SOCKLEN +# define RSTRING_SOCKLEN (socklen_t)RSTRING_LENINT #endif #ifndef EWOULDBLOCK -#define EWOULDBLOCK EAGAIN +# define EWOULDBLOCK EAGAIN #endif /* @@ -97,59 +184,80 @@ */ #define pseudo_AF_FTIP pseudo_AF_RTIP -#ifndef HAVE_GETADDRINFO -# include "addrinfo.h" -#endif -#include "sockport.h" #ifndef NI_MAXHOST -# define NI_MAXHOST 1025 +# define NI_MAXHOST 1025 #endif #ifndef NI_MAXSERV -# define NI_MAXSERV 32 +# define NI_MAXSERV 32 #endif #ifdef AF_INET6 -# define IS_IP_FAMILY(af) ((af) == AF_INET || (af) == AF_INET6) +# define IS_IP_FAMILY(af) ((af) == AF_INET || (af) == AF_INET6) #else -# define IS_IP_FAMILY(af) ((af) == AF_INET) +# define IS_IP_FAMILY(af) ((af) == AF_INET) +#endif + +#ifndef IN6_IS_ADDR_UNIQUE_LOCAL +# define IN6_IS_ADDR_UNIQUE_LOCAL(a) (((a)->s6_addr[0] == 0xfc) || ((a)->s6_addr[0] == 0xfd)) #endif -#ifndef HAVE_SOCKADDR_STORAGE +#ifndef HAVE_TYPE_STRUCT_SOCKADDR_STORAGE /* * RFC 2553: protocol-independent placeholder for socket addresses */ -#define _SS_MAXSIZE 128 -#define _SS_ALIGNSIZE (sizeof(double)) -#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2) -#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \ +# define _SS_MAXSIZE 128 +# define _SS_ALIGNSIZE (sizeof(double)) +# define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(unsigned char) * 2) +# define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(unsigned char) * 2 - \ _SS_PAD1SIZE - _SS_ALIGNSIZE) struct sockaddr_storage { -#ifdef HAVE_SA_LEN +# ifdef HAVE_STRUCT_SOCKADDR_SA_LEN unsigned char ss_len; /* address length */ unsigned char ss_family; /* address family */ -#else +# else unsigned short ss_family; -#endif +# endif char __ss_pad1[_SS_PAD1SIZE]; double __ss_align; /* force desired structure storage alignment */ char __ss_pad2[_SS_PAD2SIZE]; }; #endif -#if defined(_AIX) -#ifndef CMSG_SPACE -# define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) +typedef union { + struct sockaddr addr; + struct sockaddr_in in; +#ifdef AF_INET6 + struct sockaddr_in6 in6; #endif -#ifndef CMSG_LEN -# define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN + struct sockaddr_un un; #endif +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_DL + struct sockaddr_dl dl; /* AF_LINK */ #endif + struct sockaddr_storage storage; + char place_holder[2048]; /* sockaddr_storage is not enough for Unix domain sockets on SunOS and Darwin. */ +} union_sockaddr; -#ifdef __BEOS__ -#undef close -#define close closesocket +#ifdef __APPLE__ +/* + * CMSG_ macros are broken on 64bit darwin, because __DARWIN_ALIGN + * aligns up to __darwin_size_t which is 64bit, but CMSG_DATA is + * 32bit-aligned. + */ +# undef __DARWIN_ALIGNBYTES +# define __DARWIN_ALIGNBYTES (sizeof(unsigned int) - 1) +#endif + +#if defined(_AIX) +# ifndef CMSG_SPACE +# define CMSG_SPACE(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + _CMSG_ALIGN(len)) +# endif +# ifndef CMSG_LEN +# define CMSG_LEN(len) (_CMSG_ALIGN(sizeof(struct cmsghdr)) + (len)) +# endif #endif #define INET_CLIENT 0 @@ -159,12 +267,18 @@ struct sockaddr_storage { extern int rsock_do_not_reverse_lookup; #define FMODE_NOREVLOOKUP 0x100 +/* common socket families only */ +#define FMODE_UNIX 0x00200000 +#define FMODE_INET 0x00400000 +#define FMODE_INET6 0x00800000 +#define FMODE_SOCK (FMODE_UNIX|FMODE_INET|FMODE_INET6) + extern VALUE rb_cBasicSocket; extern VALUE rb_cIPSocket; extern VALUE rb_cTCPSocket; extern VALUE rb_cTCPServer; extern VALUE rb_cUDPSocket; -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN extern VALUE rb_cUNIXSocket; extern VALUE rb_cUNIXServer; #endif @@ -173,28 +287,28 @@ extern VALUE rb_cAddrinfo; extern VALUE rb_cSockOpt; extern VALUE rb_eSocket; +extern VALUE rb_eResolution; #ifdef SOCKS extern VALUE rb_cSOCKSSocket; -#ifdef SOCKS5 -#include <socks.h> -#else -void SOCKSinit(); -int Rconnect(); -#endif +# ifndef SOCKS5 +void SOCKSinit(char *); +int Rconnect(int, const struct sockaddr *, socklen_t); +# endif #endif #include "constdefs.h" -#define BLOCKING_REGION(func, arg) (long)rb_thread_blocking_region((func), (arg), RUBY_UBF_IO, 0) - #define SockAddrStringValue(v) rsock_sockaddr_string_value(&(v)) #define SockAddrStringValuePtr(v) rsock_sockaddr_string_value_ptr(&(v)) +#define SockAddrStringValueWithAddrinfo(v, rai_ret) rsock_sockaddr_string_value_with_addrinfo(&(v), &(rai_ret)) VALUE rsock_sockaddr_string_value(volatile VALUE *); char *rsock_sockaddr_string_value_ptr(volatile VALUE *); +VALUE rsock_sockaddr_string_value_with_addrinfo(volatile VALUE *v, VALUE *ai_ret); + VALUE rb_check_sockaddr_string_type(VALUE); -NORETURN(void rsock_raise_socket_error(const char *, int)); +NORETURN(void rsock_raise_resolution_error(const char *, int)); int rsock_family_arg(VALUE domain); int rsock_socktype_arg(VALUE type); @@ -203,30 +317,45 @@ int rsock_optname_arg(int family, int level, VALUE optname); int rsock_cmsg_type_arg(int family, int level, VALUE type); int rsock_shutdown_how_arg(VALUE how); -int rsock_getfamily(int sockfd); +int rsock_getfamily(rb_io_t *fptr); -int rb_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res); +struct rb_addrinfo { + struct addrinfo *ai; + int allocated_by_malloc; +}; +void rb_freeaddrinfo(struct rb_addrinfo *ai); +VALUE rsock_freeaddrinfo(VALUE arg); int rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags); -struct addrinfo *rsock_addrinfo(VALUE host, VALUE port, int socktype, int flags); -struct addrinfo *rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack); +int rsock_fd_family(int fd); +struct rb_addrinfo *rsock_addrinfo(VALUE host, VALUE port, int family, int socktype, int flags, VALUE timeout); +struct rb_addrinfo *rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack, VALUE timeout); + VALUE rsock_fd_socket_addrinfo(int fd, struct sockaddr *addr, socklen_t len); VALUE rsock_io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len); VALUE rsock_addrinfo_new(struct sockaddr *addr, socklen_t len, int family, int socktype, int protocol, VALUE canonname, VALUE inspectname); +VALUE rsock_addrinfo_inspect_sockaddr(VALUE rai); -VALUE rsock_make_ipaddr(struct sockaddr *addr); -VALUE rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup); -VALUE rsock_make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)); +VALUE rsock_make_ipaddr(struct sockaddr *addr, socklen_t addrlen); +VALUE rsock_ipaddr(struct sockaddr *sockaddr, socklen_t sockaddrlen, int norevlookup); +VALUE rsock_make_hostent(VALUE host, struct rb_addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, socklen_t)); +VALUE rsock_inspect_sockaddr(struct sockaddr *addr, socklen_t socklen, VALUE ret); +socklen_t rsock_sockaddr_len(struct sockaddr *addr); +VALUE rsock_sockaddr_obj(struct sockaddr *addr, socklen_t len); -#ifdef HAVE_SYS_UN_H -const char* rsock_unixpath(struct sockaddr_un *sockaddr, socklen_t len); +int rsock_revlookup_flag(VALUE revlookup, int *norevlookup); + +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN +VALUE rsock_unixpath_str(struct sockaddr_un *sockaddr, socklen_t len); VALUE rsock_unixaddr(struct sockaddr_un *sockaddr, socklen_t len); +socklen_t rsock_unix_sockaddr_len(VALUE path); #endif int rsock_socket(int domain, int type, int proto); +int rsock_detect_cloexec(int fd); VALUE rsock_init_sock(VALUE sock, int fd); VALUE rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass); -VALUE rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, VALUE local_host, VALUE local_serv, int type); +VALUE rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, VALUE local_host, VALUE local_serv, int type, VALUE resolv_timeout, VALUE connect_timeout, VALUE open_timeout, VALUE fast_fallback, VALUE test_mode_settings); VALUE rsock_init_unixsock(VALUE sock, VALUE path, int server); struct rsock_send_arg { @@ -247,32 +376,139 @@ enum sock_recv_type { RECV_SOCKET /* Socket#recvfrom */ }; -VALUE rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from); +VALUE rsock_s_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, + VALUE ex, enum sock_recv_type from); VALUE rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from); -int rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks); +int rsock_connect(VALUE self, const struct sockaddr *sockaddr, int len, int socks, VALUE timeout); -VALUE rsock_s_accept(VALUE klass, int fd, struct sockaddr *sockaddr, socklen_t *len); -VALUE rsock_s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, socklen_t *len); +VALUE rsock_s_accept(VALUE klass, VALUE io, struct sockaddr *sockaddr, socklen_t *len); +VALUE rsock_s_accept_nonblock(VALUE klass, VALUE ex, rb_io_t *fptr, + struct sockaddr *sockaddr, socklen_t *len); +VALUE rsock_sock_listen(VALUE sock, VALUE log); VALUE rsock_sockopt_new(int family, int level, int optname, VALUE data); -#ifdef HAVE_ST_MSG_CONTROL -void rsock_discard_cmsg_resource(struct msghdr *mh); -#endif - -void Init_basicsocket(void); -void Init_ipsocket(void); -void Init_tcpsocket(void); -void Init_tcpserver(void); -void Init_sockssocket(void); -void Init_udpsocket(void); -void Init_unixsocket(void); -void Init_unixserver(void); -void Init_socket_constants(void); -void Init_ancdata(void); -void Init_addrinfo(void); -void Init_sockopt(void); -void Init_socket_init(void); +#if defined(HAVE_SENDMSG) +VALUE rsock_bsock_sendmsg(VALUE sock, VALUE data, VALUE flags, + VALUE dest_sockaddr, VALUE controls); +VALUE rsock_bsock_sendmsg_nonblock(VALUE sock, VALUE data, VALUE flags, + VALUE dest_sockaddr, VALUE controls, VALUE ex); +#else +#define rsock_bsock_sendmsg rb_f_notimplement +#define rsock_bsock_sendmsg_nonblock rb_f_notimplement +#endif + +#if defined(HAVE_RECVMSG) +VALUE rsock_bsock_recvmsg(VALUE sock, VALUE dlen, VALUE clen, VALUE flags, + VALUE scm_rights); +VALUE rsock_bsock_recvmsg_nonblock(VALUE sock, VALUE dlen, VALUE clen, + VALUE flags, VALUE scm_rights, VALUE ex); +ssize_t rsock_recvmsg(int socket, struct msghdr *message, int flags); +#else +#define rsock_bsock_recvmsg rb_f_notimplement +#define rsock_bsock_recvmsg_nonblock rb_f_notimplement +#endif + +#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL +void rsock_discard_cmsg_resource(struct msghdr *mh, int msg_peek_p); +#endif + +char *raddrinfo_host_str(VALUE host, char *hbuf, size_t hbuflen, int *flags_ptr); +char *raddrinfo_port_str(VALUE port, char *pbuf, size_t pbuflen, int *flags_ptr); + +#ifndef FAST_FALLBACK_INIT_INETSOCK_IMPL +# if !defined(HAVE_PTHREAD_CREATE) || !defined(HAVE_PTHREAD_DETACH) || defined(__MINGW32__) || defined(__MINGW64__) +# define FAST_FALLBACK_INIT_INETSOCK_IMPL 0 +# else +# include "ruby/thread_native.h" +# define FAST_FALLBACK_INIT_INETSOCK_IMPL 1 +# define IPV6_HOSTNAME_RESOLVED '1' +# define IPV4_HOSTNAME_RESOLVED '2' +# define SELECT_CANCELLED '3' + +struct fast_fallback_getaddrinfo_entry +{ + int family, err, refcount; + struct addrinfo hints; + struct addrinfo *ai; + struct fast_fallback_getaddrinfo_shared *shared; + int has_syserr; + long test_sleep_ms; + int test_ecode; +}; + +struct fast_fallback_getaddrinfo_shared +{ + int notify, refcount; + char *node, *service; + rb_nativethread_lock_t lock; + struct fast_fallback_getaddrinfo_entry getaddrinfo_entries[FLEX_ARY_LEN]; +}; + +int raddrinfo_pthread_create(pthread_t *th, void *(*start_routine) (void *), void *arg); +void *fork_safe_do_fast_fallback_getaddrinfo(void *ptr); +void free_fast_fallback_getaddrinfo_entry(struct fast_fallback_getaddrinfo_entry **entry); +void free_fast_fallback_getaddrinfo_shared(struct fast_fallback_getaddrinfo_shared **shared); +# endif +#endif + +NORETURN(void rsock_raise_user_specified_timeout(struct addrinfo *ai, VALUE host, VALUE port)); + +void rsock_init_basicsocket(void); +void rsock_init_ipsocket(void); +void rsock_init_tcpsocket(void); +void rsock_init_tcpserver(void); +void rsock_init_sockssocket(void); +void rsock_init_udpsocket(void); +void rsock_init_unixsocket(void); +void rsock_init_unixserver(void); +void rsock_init_socket_constants(void); +void rsock_init_ancdata(void); +void rsock_init_addrinfo(void); +void rsock_init_sockopt(void); +void rsock_init_sockifaddr(void); +void rsock_init_socket_init(void); + +NORETURN(void rsock_syserr_fail_host_port(int err, const char *, VALUE, VALUE)); +NORETURN(void rsock_syserr_fail_path(int err, const char *, VALUE)); +NORETURN(void rsock_syserr_fail_sockaddr(int err, const char *mesg, struct sockaddr *addr, socklen_t len)); +NORETURN(void rsock_syserr_fail_raddrinfo(int err, const char *mesg, VALUE rai)); +NORETURN(void rsock_syserr_fail_raddrinfo_or_sockaddr(int err, const char *mesg, VALUE addr, VALUE rai)); + +NORETURN(void rsock_sys_fail_host_port(const char *, VALUE, VALUE)); +NORETURN(void rsock_sys_fail_path(const char *, VALUE)); +NORETURN(void rsock_sys_fail_sockaddr(const char *, struct sockaddr *addr, socklen_t len)); +NORETURN(void rsock_sys_fail_raddrinfo(const char *, VALUE rai)); +NORETURN(void rsock_sys_fail_raddrinfo_or_sockaddr(const char *, VALUE addr, VALUE rai)); + +#if defined(__MINGW32__) || defined(_WIN32) +#define RSOCK_WAIT_BEFORE_BLOCKING +#endif + +/* + * some OSes may support MSG_DONTWAIT inconsistently depending on socket + * type, we only expect Linux to support it consistently for all socket types. + */ +#if defined(MSG_DONTWAIT) && defined(__linux__) +# define MSG_DONTWAIT_RELIABLE 1 +#else +# define MSG_DONTWAIT_RELIABLE 0 +#endif + +VALUE rsock_read_nonblock(VALUE sock, VALUE length, VALUE buf, VALUE ex); +VALUE rsock_write_nonblock(VALUE sock, VALUE buf, VALUE ex); + +void rsock_make_fd_nonblock(int fd); + +int rsock_is_dgram(rb_io_t *fptr); + +extern ID tcp_fast_fallback; + +#if !defined HAVE_INET_NTOP && ! defined _WIN32 +const char *inet_ntop(int, const void *, char *, size_t); +#elif defined __MINGW32__ +# define inet_ntop(f,a,n,l) rb_w32_inet_ntop(f,a,n,l) +#endif #endif diff --git a/ext/socket/socket.c b/ext/socket/socket.c index bdc6d16d1c..a8e5ae8119 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -10,6 +10,106 @@ #include "rubysocket.h" +static VALUE sym_wait_writable; + +static VALUE sock_s_unpack_sockaddr_in(VALUE, VALUE); + +ID tcp_fast_fallback; + +void +rsock_sys_fail_host_port(const char *mesg, VALUE host, VALUE port) +{ + rsock_syserr_fail_host_port(errno, mesg, host, port); +} + +void +rsock_syserr_fail_host_port(int err, const char *mesg, VALUE host, VALUE port) +{ + VALUE message; + + message = rb_sprintf("%s for %+"PRIsVALUE" port % "PRIsVALUE"", + mesg, host, port); + + if (err == ETIMEDOUT) { + rb_exc_raise(rb_exc_new3(rb_eIOTimeoutError, message)); + } + + rb_syserr_fail_str(err, message); +} + +void +rsock_sys_fail_path(const char *mesg, VALUE path) +{ + rsock_syserr_fail_path(errno, mesg, path); +} + +void +rsock_syserr_fail_path(int err, const char *mesg, VALUE path) +{ + VALUE message; + + if (RB_TYPE_P(path, T_STRING)) { + message = rb_sprintf("%s for % "PRIsVALUE"", mesg, path); + rb_syserr_fail_str(err, message); + } + else { + rb_syserr_fail(err, mesg); + } +} + +void +rsock_sys_fail_sockaddr(const char *mesg, struct sockaddr *addr, socklen_t len) +{ + rsock_syserr_fail_sockaddr(errno, mesg, addr, len); +} + +void +rsock_syserr_fail_sockaddr(int err, const char *mesg, struct sockaddr *addr, socklen_t len) +{ + VALUE rai; + + rai = rsock_addrinfo_new(addr, len, PF_UNSPEC, 0, 0, Qnil, Qnil); + + rsock_syserr_fail_raddrinfo(err, mesg, rai); +} + +void +rsock_sys_fail_raddrinfo(const char *mesg, VALUE rai) +{ + rsock_syserr_fail_raddrinfo(errno, mesg, rai); +} + +void +rsock_syserr_fail_raddrinfo(int err, const char *mesg, VALUE rai) +{ + VALUE str, message; + + str = rsock_addrinfo_inspect_sockaddr(rai); + message = rb_sprintf("%s for %"PRIsVALUE"", mesg, str); + + rb_syserr_fail_str(err, message); +} + +void +rsock_sys_fail_raddrinfo_or_sockaddr(const char *mesg, VALUE addr, VALUE rai) +{ + rsock_syserr_fail_raddrinfo_or_sockaddr(errno, mesg, addr, rai); +} + +void +rsock_syserr_fail_raddrinfo_or_sockaddr(int err, const char *mesg, VALUE addr, VALUE rai) +{ + if (NIL_P(rai)) { + StringValue(addr); + + rsock_syserr_fail_sockaddr(err, mesg, + (struct sockaddr *)RSTRING_PTR(addr), + (socklen_t)RSTRING_LEN(addr)); /* overflow should be checked already */ + } + else + rsock_syserr_fail_raddrinfo(err, mesg, rai); +} + static void setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv) { @@ -27,9 +127,8 @@ setup_domain_and_type(VALUE domain, int *dv, VALUE type, int *tv) * * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. * - * _protocol_ should be a protocol defined in the domain. - * This is optional. - * If it is not given, 0 is used internally. + * _protocol_ is optional and should be a protocol defined in the domain. + * If protocol is not given, 0 is used internally. * * Socket.new(:INET, :STREAM) # TCP socket * Socket.new(:INET, :DGRAM) # UDP socket @@ -47,7 +146,6 @@ sock_initialize(int argc, VALUE *argv, VALUE sock) if (NIL_P(protocol)) protocol = INT2FIX(0); - rb_secure(3); setup_domain_and_type(domain, &d, type, &t); fd = rsock_socket(d, t, NUM2INT(protocol)); if (fd < 0) rb_sys_fail("socket(2)"); @@ -59,7 +157,7 @@ sock_initialize(int argc, VALUE *argv, VALUE sock) static VALUE io_call_close(VALUE io) { - return rb_funcall(io, rb_intern("close"), 0, 0); + return rb_funcallv(io, rb_intern("close"), 0, 0); } static VALUE @@ -76,6 +174,49 @@ pair_yield(VALUE pair) #endif #if defined HAVE_SOCKETPAIR +static int +rsock_socketpair0(int domain, int type, int protocol, int descriptors[2]) +{ +#ifdef SOCK_CLOEXEC + type |= SOCK_CLOEXEC; +#endif + +#ifdef SOCK_NONBLOCK + type |= SOCK_NONBLOCK; +#endif + + int result = socketpair(domain, type, protocol, descriptors); + + if (result == -1) + return -1; + +#ifndef SOCK_CLOEXEC + rb_fd_fix_cloexec(descriptors[0]); + rb_fd_fix_cloexec(descriptors[1]); +#endif + +#ifndef SOCK_NONBLOCK + rsock_make_fd_nonblock(descriptors[0]); + rsock_make_fd_nonblock(descriptors[1]); +#endif + + return result; +} + +static int +rsock_socketpair(int domain, int type, int protocol, int descriptors[2]) +{ + int result; + + result = rsock_socketpair0(domain, type, protocol, descriptors); + + if (result < 0 && rb_gc_for_fd(errno)) { + result = rsock_socketpair0(domain, type, protocol, descriptors); + } + + return result; +} + /* * call-seq: * Socket.pair(domain, type, protocol) => [socket1, socket2] @@ -87,8 +228,16 @@ pair_yield(VALUE pair) * * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. * - * _protocol_ should be a protocol defined in the domain. - * 0 is default protocol for the domain. + * _protocol_ should be a protocol defined in the domain, + * defaults to 0 for the domain. + * + * s1, s2 = Socket.pair(:UNIX, :STREAM, 0) + * s1.send "a", 0 + * s1.send "b", 0 + * s1.close + * p s2.recv(10) #=> "ab" + * p s2.recv(10) #=> "" + * p s2.recv(10) #=> "" * * s1, s2 = Socket.pair(:UNIX, :DGRAM, 0) * s1.send "a", 0 @@ -111,13 +260,9 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) setup_domain_and_type(domain, &d, type, &t); p = NUM2INT(protocol); - ret = socketpair(d, t, p, sp); - if (ret < 0 && (errno == EMFILE || errno == ENFILE)) { - rb_gc(); - ret = socketpair(d, t, p, sp); - } + ret = rsock_socketpair(d, t, p, sp); if (ret < 0) { - rb_sys_fail("socketpair(2)"); + rb_sys_fail("socketpair(2)"); } s1 = rsock_init_sock(rb_obj_alloc(klass), sp[0]); @@ -134,33 +279,33 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) /* * call-seq: - * socket.connect(server_sockaddr) => 0 - * - * Requests a connection to be made on the given +server_sockaddr+. Returns 0 if + * socket.connect(remote_sockaddr) => 0 + * + * Requests a connection to be made on the given +remote_sockaddr+. Returns 0 if * successful, otherwise an exception is raised. - * + * * === Parameter - * * +server_sockaddr+ - the +struct+ sockaddr contained in a string - * + * * +remote_sockaddr+ - the +struct+ sockaddr contained in a string or Addrinfo object + * * === Example: - * # Pull down Google's web page - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 80, 'www.google.com' ) - * socket.connect( sockaddr ) - * socket.write( "GET / HTTP/1.0\r\n\r\n" ) - * results = socket.read - * + * # Pull down Google's web page + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 80, 'www.google.com' ) + * socket.connect( sockaddr ) + * socket.write( "GET / HTTP/1.0\r\n\r\n" ) + * results = socket.read + * * === Unix-based Exceptions - * On unix-based systems the following system exceptions may be raised if + * On unix-based systems the following system exceptions may be raised if * the call to _connect_ fails: * * Errno::EACCES - search permission is denied for a component of the prefix * path or write access to the +socket+ is denied * * Errno::EADDRINUSE - the _sockaddr_ is already in use * * Errno::EADDRNOTAVAIL - the specified _sockaddr_ is not available from the * local machine - * * Errno::EAFNOSUPPORT - the specified _sockaddr_ is not a valid address for + * * Errno::EAFNOSUPPORT - the specified _sockaddr_ is not a valid address for * the address family of the specified +socket+ * * Errno::EALREADY - a connection is already in progress for the specified * socket @@ -169,7 +314,7 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) * refused the connection request * * Errno::ECONNRESET - the remote host reset the connection request * * Errno::EFAULT - the _sockaddr_ cannot be accessed - * * Errno::EHOSTUNREACH - the destination host cannot be reached (probably + * * Errno::EHOSTUNREACH - the destination host cannot be reached (probably * because the host is down or a remote router cannot reach it) * * Errno::EINPROGRESS - the O_NONBLOCK is set for the +socket+ and the * connection cannot be immediately established; the connection will be @@ -179,46 +324,46 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) * asynchronously * * Errno::EISCONN - the specified +socket+ is already connected * * Errno::EINVAL - the address length used for the _sockaddr_ is not a valid - * length for the address family or there is an invalid family in _sockaddr_ + * length for the address family or there is an invalid family in _sockaddr_ * * Errno::ENAMETOOLONG - the pathname resolved had a length which exceeded * PATH_MAX * * Errno::ENETDOWN - the local interface used to reach the destination is down * * Errno::ENETUNREACH - no route to the network is present * * Errno::ENOBUFS - no buffer space is available - * * Errno::ENOSR - there were insufficient STREAMS resources available to + * * Errno::ENOSR - there were insufficient STREAMS resources available to * complete the operation * * Errno::ENOTSOCK - the +socket+ argument does not refer to a socket * * Errno::EOPNOTSUPP - the calling +socket+ is listening and cannot be connected - * * Errno::EPROTOTYPE - the _sockaddr_ has a different type than the socket + * * Errno::EPROTOTYPE - the _sockaddr_ has a different type than the socket * bound to the specified peer address - * * Errno::ETIMEDOUT - the attempt to connect time out before a connection + * * Errno::ETIMEDOUT - the attempt to connect timed out before a connection * was made. - * + * * On unix-based systems if the address family of the calling +socket+ is * AF_UNIX the follow exceptions may be raised if the call to _connect_ * fails: - * * Errno::EIO - an i/o error occurred while reading from or writing to the + * * Errno::EIO - an i/o error occurred while reading from or writing to the * file system * * Errno::ELOOP - too many symbolic links were encountered in translating * the pathname in _sockaddr_ - * * Errno::ENAMETOOLLONG - a component of a pathname exceeded NAME_MAX + * * Errno::ENAMETOOLLONG - a component of a pathname exceeded NAME_MAX * characters, or an entire pathname exceeded PATH_MAX characters * * Errno::ENOENT - a component of the pathname does not name an existing file * or the pathname is an empty string * * Errno::ENOTDIR - a component of the path prefix of the pathname in _sockaddr_ - * is not a directory - * + * is not a directory + * * === Windows Exceptions - * On Windows systems the following system exceptions may be raised if + * On Windows systems the following system exceptions may be raised if * the call to _connect_ fails: * * Errno::ENETDOWN - the network is down * * Errno::EADDRINUSE - the socket's local address is already in use * * Errno::EINTR - the socket was cancelled * * Errno::EINPROGRESS - a blocking socket is in progress or the service provider - * is still processing a callback function. Or a nonblocking connect call is + * is still processing a callback function. Or a nonblocking connect call is * in progress on the +socket+. * * Errno::EALREADY - see Errno::EINVAL - * * Errno::EADDRNOTAVAIL - the remote address is not a valid address, such as + * * Errno::EADDRNOTAVAIL - the remote address is not a valid address, such as * ADDR_ANY TODO check ADDRANY TO INADDR_ANY * * Errno::EAFNOSUPPORT - addresses in the specified family cannot be used with * with this +socket+ @@ -232,92 +377,61 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) * * Errno::EHOSTUNREACH - no route to the network is present * * Errno::ENOBUFS - no buffer space is available * * Errno::ENOTSOCK - the +socket+ argument does not refer to a socket - * * Errno::ETIMEDOUT - the attempt to connect time out before a connection + * * Errno::ETIMEDOUT - the attempt to connect timed out before a connection * was made. - * * Errno::EWOULDBLOCK - the socket is marked as nonblocking and the + * * Errno::EWOULDBLOCK - the socket is marked as nonblocking and the * connection cannot be completed immediately - * * Errno::EACCES - the attempt to connect the datagram socket to the + * * Errno::EACCES - the attempt to connect the datagram socket to the * broadcast address failed - * + * * === See * * connect manual pages on unix-based systems * * connect function in Microsoft's Winsock functions reference */ static VALUE -sock_connect(VALUE sock, VALUE addr) +sock_connect(VALUE self, VALUE addr) { - rb_io_t *fptr; - int fd, n; + VALUE rai; - SockAddrStringValue(addr); + SockAddrStringValueWithAddrinfo(addr, rai); addr = rb_str_new4(addr); - GetOpenFile(sock, fptr); - fd = fptr->fd; - n = rsock_connect(fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_LEN(addr), 0); - if (n < 0) { - rb_sys_fail("connect(2)"); + + int result = rsock_connect(self, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_SOCKLEN(addr), 0, RUBY_IO_TIMEOUT_DEFAULT); + + if (result < 0) { + rsock_sys_fail_raddrinfo_or_sockaddr("connect(2)", addr, rai); } - return INT2FIX(n); + return INT2FIX(result); } -/* - * call-seq: - * socket.connect_nonblock(server_sockaddr) => 0 - * - * Requests a connection to be made on the given +server_sockaddr+ after - * O_NONBLOCK is set for the underlying file descriptor. - * Returns 0 if successful, otherwise an exception is raised. - * - * === Parameter - * * +server_sockaddr+ - the +struct+ sockaddr contained in a string - * - * === Example: - * # Pull down Google's web page - * require 'socket' - * include Socket::Constants - * socket = Socket.new(AF_INET, SOCK_STREAM, 0) - * sockaddr = Socket.sockaddr_in(80, 'www.google.com') - * begin # emulate blocking connect - * socket.connect_nonblock(sockaddr) - * rescue IO::WaitWritable - * IO.select(nil, [socket]) # wait 3-way handshake completion - * begin - * socket.connect_nonblock(sockaddr) # check connection failure - * rescue Errno::EISCONN - * end - * end - * socket.write("GET / HTTP/1.0\r\n\r\n") - * results = socket.read - * - * Refer to Socket#connect for the exceptions that may be thrown if the call - * to _connect_nonblock_ fails. - * - * Socket#connect_nonblock may raise any error corresponding to connect(2) failure, - * including Errno::EINPROGRESS. - * - * If the exception is Errno::EINPROGRESS, - * it is extended by IO::WaitWritable. - * So IO::WaitWritable can be used to rescue the exceptions for retrying connect_nonblock. - * - * === See - * * Socket#connect - */ +/* :nodoc: */ static VALUE -sock_connect_nonblock(VALUE sock, VALUE addr) +sock_connect_nonblock(VALUE sock, VALUE addr, VALUE ex) { + VALUE rai; rb_io_t *fptr; int n; - SockAddrStringValue(addr); + SockAddrStringValueWithAddrinfo(addr, rai); addr = rb_str_new4(addr); GetOpenFile(sock, fptr); rb_io_set_nonblock(fptr); - n = connect(fptr->fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_LEN(addr)); + n = connect(fptr->fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_SOCKLEN(addr)); if (n < 0) { - if (errno == EINPROGRESS) - rb_mod_sys_fail(rb_mWaitWritable, "connect(2) would block"); - rb_sys_fail("connect(2)"); + int e = errno; + if (e == EINPROGRESS) { + if (ex == Qfalse) { + return sym_wait_writable; + } + rb_readwrite_syserr_fail(RB_IO_WAIT_WRITABLE, e, "connect(2) would block"); + } + if (e == EISCONN) { + if (ex == Qfalse) { + return INT2FIX(0); + } + } + rsock_syserr_fail_raddrinfo_or_sockaddr(e, "connect(2)", addr, rai); } return INT2FIX(n); @@ -325,22 +439,29 @@ sock_connect_nonblock(VALUE sock, VALUE addr) /* * call-seq: - * socket.bind(server_sockaddr) => 0 - * - * Binds to the given +struct+ sockaddr. - * + * socket.bind(local_sockaddr) => 0 + * + * Binds to the given local address. + * * === Parameter - * * +server_sockaddr+ - the +struct+ sockaddr contained in a string + * * +local_sockaddr+ - the +struct+ sockaddr contained in a string or an Addrinfo object * * === Example - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.bind( sockaddr ) - * + * require 'socket' + * + * # use Addrinfo + * socket = Socket.new(:INET, :STREAM, 0) + * socket.bind(Addrinfo.tcp("127.0.0.1", 2222)) + * p socket.local_address #=> #<Addrinfo: 127.0.0.1:2222 TCP> + * + * # use struct sockaddr + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.bind( sockaddr ) + * * === Unix-based Exceptions - * On unix-based based systems the following system exceptions may be raised if + * On unix-based based systems the following system exceptions may be raised if * the call to _bind_ fails: * * Errno::EACCES - the specified _sockaddr_ is protected and the current * user does not have permission to bind to it @@ -351,7 +472,7 @@ sock_connect_nonblock(VALUE sock, VALUE addr) * the family of the calling +socket+ * * Errno::EBADF - the _sockaddr_ specified is not a valid file descriptor * * Errno::EFAULT - the _sockaddr_ argument cannot be accessed - * * Errno::EINVAL - the +socket+ is already bound to an address, and the + * * Errno::EINVAL - the +socket+ is already bound to an address, and the * protocol does not support binding to the new _sockaddr_ or the +socket+ * has been shut down. * * Errno::EINVAL - the address length is not a valid length for the address @@ -359,12 +480,12 @@ sock_connect_nonblock(VALUE sock, VALUE addr) * * Errno::ENAMETOOLONG - the pathname resolved had a length which exceeded * PATH_MAX * * Errno::ENOBUFS - no buffer space is available - * * Errno::ENOSR - there were insufficient STREAMS resources available to + * * Errno::ENOSR - there were insufficient STREAMS resources available to * complete the operation * * Errno::ENOTSOCK - the +socket+ does not refer to a socket - * * Errno::EOPNOTSUPP - the socket type of the +socket+ does not support + * * Errno::EOPNOTSUPP - the socket type of the +socket+ does not support * binding to an address - * + * * On unix-based based systems if the address family of the calling +socket+ is * Socket::AF_UNIX the follow exceptions may be raised if the call to _bind_ * fails: @@ -375,19 +496,19 @@ sock_connect_nonblock(VALUE sock, VALUE addr) * * Errno::EIO - an i/o error occurred * * Errno::ELOOP - too many symbolic links were encountered in translating * the pathname in _sockaddr_ - * * Errno::ENAMETOOLLONG - a component of a pathname exceeded NAME_MAX + * * Errno::ENAMETOOLLONG - a component of a pathname exceeded NAME_MAX * characters, or an entire pathname exceeded PATH_MAX characters * * Errno::ENOENT - a component of the pathname does not name an existing file * or the pathname is an empty string * * Errno::ENOTDIR - a component of the path prefix of the pathname in _sockaddr_ * is not a directory * * Errno::EROFS - the name would reside on a read only filesystem - * + * * === Windows Exceptions - * On Windows systems the following system exceptions may be raised if + * On Windows systems the following system exceptions may be raised if * the call to _bind_ fails: * * Errno::ENETDOWN-- the network is down - * * Errno::EACCES - the attempt to connect the datagram socket to the + * * Errno::EACCES - the attempt to connect the datagram socket to the * broadcast address failed * * Errno::EADDRINUSE - the socket's local address is already in use * * Errno::EADDRNOTAVAIL - the specified address is not a valid address for this @@ -397,79 +518,80 @@ sock_connect_nonblock(VALUE sock, VALUE addr) * * Errno::EINVAL - the +socket+ is already bound to an address * * Errno::ENOBUFS - no buffer space is available * * Errno::ENOTSOCK - the +socket+ argument does not refer to a socket - * + * * === See * * bind manual pages on unix-based systems * * bind function in Microsoft's Winsock functions reference - */ + */ static VALUE sock_bind(VALUE sock, VALUE addr) { + VALUE rai; rb_io_t *fptr; - SockAddrStringValue(addr); + SockAddrStringValueWithAddrinfo(addr, rai); GetOpenFile(sock, fptr); - if (bind(fptr->fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_LEN(addr)) < 0) - rb_sys_fail("bind(2)"); + if (bind(fptr->fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_SOCKLEN(addr)) < 0) + rsock_sys_fail_raddrinfo_or_sockaddr("bind(2)", addr, rai); return INT2FIX(0); } /* * call-seq: - * socket.listen( int ) => 0 - * + * socket.listen( int ) => 0 + * * Listens for connections, using the specified +int+ as the backlog. A call - * to _listen_ only applies if the +socket+ is of type SOCK_STREAM or + * to _listen_ only applies if the +socket+ is of type SOCK_STREAM or * SOCK_SEQPACKET. - * + * * === Parameter * * +backlog+ - the maximum length of the queue for pending connections. - * + * * === Example 1 - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.bind( sockaddr ) - * socket.listen( 5 ) - * + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.bind( sockaddr ) + * socket.listen( 5 ) + * * === Example 2 (listening on an arbitrary port, unix-based systems only): - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * socket.listen( 1 ) - * + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * socket.listen( 1 ) + * * === Unix-based Exceptions * On unix based systems the above will work because a new +sockaddr+ struct * is created on the address ADDR_ANY, for an arbitrary port number as handed * off by the kernel. It will not work on Windows, because Windows requires that * the +socket+ is bound by calling _bind_ before it can _listen_. - * + * * If the _backlog_ amount exceeds the implementation-dependent maximum * queue length, the implementation's maximum queue length will be used. - * + * * On unix-based based systems the following system exceptions may be raised if the * call to _listen_ fails: * * Errno::EBADF - the _socket_ argument is not a valid file descriptor - * * Errno::EDESTADDRREQ - the _socket_ is not bound to a local address, and + * * Errno::EDESTADDRREQ - the _socket_ is not bound to a local address, and * the protocol does not support listening on an unbound socket * * Errno::EINVAL - the _socket_ is already connected * * Errno::ENOTSOCK - the _socket_ argument does not refer to a socket * * Errno::EOPNOTSUPP - the _socket_ protocol does not support listen * * Errno::EACCES - the calling process does not have appropriate privileges * * Errno::EINVAL - the _socket_ has been shut down - * * Errno::ENOBUFS - insufficient resources are available in the system to + * * Errno::ENOBUFS - insufficient resources are available in the system to * complete the call - * + * * === Windows Exceptions - * On Windows systems the following system exceptions may be raised if + * On Windows systems the following system exceptions may be raised if * the call to _listen_ fails: * * Errno::ENETDOWN - the network is down - * * Errno::EADDRINUSE - the socket's local address is already in use. This + * * Errno::EADDRINUSE - the socket's local address is already in use. This * usually occurs during the execution of _bind_ but could be delayed * if the call to _bind_ was to a partially wildcard address (involving - * ADDR_ANY) and if a specific address needs to be committed at the + * ADDR_ANY) and if a specific address needs to be committed at the * time of the call to _listen_ * * Errno::EINPROGRESS - a Windows Sockets 1.1 call is in progress or the * service provider is still processing a callback function @@ -480,84 +602,83 @@ sock_bind(VALUE sock, VALUE addr) * * Errno::ENOTSOC - +socket+ is not a socket * * Errno::EOPNOTSUPP - the referenced +socket+ is not a type that supports * the _listen_ method - * + * * === See * * listen manual pages on unix-based systems * * listen function in Microsoft's Winsock functions reference */ -static VALUE -sock_listen(VALUE sock, VALUE log) +VALUE +rsock_sock_listen(VALUE sock, VALUE log) { rb_io_t *fptr; int backlog; - rb_secure(4); backlog = NUM2INT(log); GetOpenFile(sock, fptr); if (listen(fptr->fd, backlog) < 0) - rb_sys_fail("listen(2)"); + rb_sys_fail("listen(2)"); return INT2FIX(0); } /* * call-seq: - * socket.recvfrom(maxlen) => [mesg, sender_sockaddr] - * socket.recvfrom(maxlen, flags) => [mesg, sender_sockaddr] - * + * socket.recvfrom(maxlen) => [mesg, sender_addrinfo] + * socket.recvfrom(maxlen, flags) => [mesg, sender_addrinfo] + * * Receives up to _maxlen_ bytes from +socket+. _flags_ is zero or more * of the +MSG_+ options. The first element of the results, _mesg_, is the data - * received. The second element, _sender_sockaddr_, contains protocol-specific information - * on the sender. - * + * received. The second element, _sender_addrinfo_, contains protocol-specific + * address information of the sender. + * * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * + * * +maxlen+ - the maximum number of bytes to receive from the socket + * * +flags+ - zero or more of the +MSG_+ options + * * === Example - * # In one file, start this first - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.bind( sockaddr ) - * socket.listen( 5 ) - * client, client_sockaddr = socket.accept - * data = client.recvfrom( 20 )[0].chomp - * puts "I only received 20 bytes '#{data}'" - * sleep 1 - * socket.close - * - * # In another file, start this second - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.connect( sockaddr ) - * socket.puts "Watch this get cut short!" - * socket.close - * + * # In one file, start this first + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.bind( sockaddr ) + * socket.listen( 5 ) + * client, client_addrinfo = socket.accept + * data = client.recvfrom( 20 )[0].chomp + * puts "I only received 20 bytes '#{data}'" + * sleep 1 + * socket.close + * + * # In another file, start this second + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.connect( sockaddr ) + * socket.puts "Watch this get cut short!" + * socket.close + * * === Unix-based Exceptions * On unix-based based systems the following system exceptions may be raised if the * call to _recvfrom_ fails: * * Errno::EAGAIN - the +socket+ file descriptor is marked as O_NONBLOCK and no * data is waiting to be received; or MSG_OOB is set and no out-of-band data - * is available and either the +socket+ file descriptor is marked as - * O_NONBLOCK or the +socket+ does not support blocking to wait for + * is available and either the +socket+ file descriptor is marked as + * O_NONBLOCK or the +socket+ does not support blocking to wait for * out-of-band-data * * Errno::EWOULDBLOCK - see Errno::EAGAIN * * Errno::EBADF - the +socket+ is not a valid file descriptor * * Errno::ECONNRESET - a connection was forcibly closed by a peer - * * Errno::EFAULT - the socket's internal buffer, address or address length + * * Errno::EFAULT - the socket's internal buffer, address or address length * cannot be accessed or written * * Errno::EINTR - a signal interrupted _recvfrom_ before any data was available * * Errno::EINVAL - the MSG_OOB flag is set and no out-of-band data is available - * * Errno::EIO - an i/o error occurred while reading from or writing to the + * * Errno::EIO - an i/o error occurred while reading from or writing to the * filesystem - * * Errno::ENOBUFS - insufficient resources were available in the system to + * * Errno::ENOBUFS - insufficient resources were available in the system to * perform the operation * * Errno::ENOMEM - insufficient memory was available to fulfill the request - * * Errno::ENOSR - there were insufficient STREAMS resources available to + * * Errno::ENOSR - there were insufficient STREAMS resources available to * complete the operation * * Errno::ENOTCONN - a receive is attempted on a connection-mode socket that * is not connected @@ -565,9 +686,9 @@ sock_listen(VALUE sock, VALUE log) * * Errno::EOPNOTSUPP - the specified flags are not supported for this socket type * * Errno::ETIMEDOUT - the connection timed out during connection establishment * or due to a transmission timeout on an active connection - * + * * === Windows Exceptions - * On Windows systems the following system exceptions may be raised if + * On Windows systems the following system exceptions may be raised if * the call to _recvfrom_ fails: * * Errno::ENETDOWN - the network is down * * Errno::EFAULT - the internal buffer and from parameters on +socket+ are not @@ -575,31 +696,31 @@ sock_listen(VALUE sock, VALUE log) * too small to accommodate the peer address * * Errno::EINTR - the (blocking) call was cancelled by an internal call to * the WinSock function WSACancelBlockingCall - * * Errno::EINPROGRESS - a blocking Windows Sockets 1.1 call is in progress or + * * Errno::EINPROGRESS - a blocking Windows Sockets 1.1 call is in progress or * the service provider is still processing a callback function * * Errno::EINVAL - +socket+ has not been bound with a call to _bind_, or an * unknown flag was specified, or MSG_OOB was specified for a socket with * SO_OOBINLINE enabled, or (for byte stream-style sockets only) the internal * len parameter on +socket+ was zero or negative * * Errno::EISCONN - +socket+ is already connected. The call to _recvfrom_ is - * not permitted with a connected socket on a socket that is connection + * not permitted with a connected socket on a socket that is connection * oriented or connectionless. - * * Errno::ENETRESET - the connection has been broken due to the keep-alive + * * Errno::ENETRESET - the connection has been broken due to the keep-alive * activity detecting a failure while the operation was in progress. * * Errno::EOPNOTSUPP - MSG_OOB was specified, but +socket+ is not stream-style * such as type SOCK_STREAM. OOB data is not supported in the communication - * domain associated with +socket+, or +socket+ is unidirectional and + * domain associated with +socket+, or +socket+ is unidirectional and * supports only send operations - * * Errno::ESHUTDOWN - +socket+ has been shutdown. It is not possible to + * * Errno::ESHUTDOWN - +socket+ has been shutdown. It is not possible to * call _recvfrom_ on a socket after _shutdown_ has been invoked. - * * Errno::EWOULDBLOCK - +socket+ is marked as nonblocking and a call to + * * Errno::EWOULDBLOCK - +socket+ is marked as nonblocking and a call to * _recvfrom_ would block. * * Errno::EMSGSIZE - the message was too large to fit into the specified buffer * and was truncated. * * Errno::ETIMEDOUT - the connection has been dropped, because of a network * failure or because the system on the other end went down without * notice - * * Errno::ECONNRESET - the virtual circuit was reset by the remote side + * * Errno::ECONNRESET - the virtual circuit was reset by the remote side * executing a hard or abortive close. The application should close the * socket; it is no longer usable. On a UDP-datagram socket this error * indicates a previous send operation resulted in an ICMP Port Unreachable @@ -611,72 +732,11 @@ sock_recvfrom(int argc, VALUE *argv, VALUE sock) return rsock_s_recvfrom(sock, argc, argv, RECV_SOCKET); } -/* - * call-seq: - * socket.recvfrom_nonblock(maxlen) => [mesg, sender_sockaddr] - * socket.recvfrom_nonblock(maxlen, flags) => [mesg, sender_sockaddr] - * - * Receives up to _maxlen_ bytes from +socket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * _flags_ is zero or more of the +MSG_+ options. - * The first element of the results, _mesg_, is the data received. - * The second element, _sender_sockaddr_, contains protocol-specific information - * on the sender. - * - * When recvfrom(2) returns 0, Socket#recvfrom_nonblock returns - * an empty string as data. - * The meaning depends on the socket: EOF on TCP, empty packet on UDP, etc. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * - * === Example - * # In one file, start this first - * require 'socket' - * include Socket::Constants - * socket = Socket.new(AF_INET, SOCK_STREAM, 0) - * sockaddr = Socket.sockaddr_in(2200, 'localhost') - * socket.bind(sockaddr) - * socket.listen(5) - * client, client_sockaddr = socket.accept - * begin # emulate blocking recvfrom - * pair = client.recvfrom_nonblock(20) - * rescue IO::WaitReadable - * IO.select([client]) - * retry - * end - * data = pair[0].chomp - * puts "I only received 20 bytes '#{data}'" - * sleep 1 - * socket.close - * - * # In another file, start this second - * require 'socket' - * include Socket::Constants - * socket = Socket.new(AF_INET, SOCK_STREAM, 0) - * sockaddr = Socket.sockaddr_in(2200, 'localhost') - * socket.connect(sockaddr) - * socket.puts "Watch this get cut short!" - * socket.close - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recvfrom_nonblock_ fails. - * - * Socket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK or Errno::AGAIN, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying recvfrom_nonblock. - * - * === See - * * Socket#recvfrom - */ +/* :nodoc: */ static VALUE -sock_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) +sock_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, VALUE ex) { - return rsock_s_recvfrom_nonblock(sock, argc, argv, RECV_SOCKET); + return rsock_s_recvfrom_nonblock(sock, len, flg, str, ex, RECV_SOCKET); } /* @@ -689,140 +749,86 @@ sock_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) * serv = Socket.new(:INET, :STREAM, 0) * serv.listen(5) * c = Socket.new(:INET, :STREAM, 0) - * c.connect(serv.local_address) + * c.connect(serv.connect_address) * p serv.accept #=> [#<Socket:fd 6>, #<Addrinfo: 127.0.0.1:48555 TCP>] * */ static VALUE -sock_accept(VALUE sock) +sock_accept(VALUE server) { - rb_io_t *fptr; - VALUE sock2; - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buffer; + socklen_t length = (socklen_t)sizeof(buffer); - GetOpenFile(sock, fptr); - sock2 = rsock_s_accept(rb_cSocket,fptr->fd,(struct sockaddr*)&buf,&len); + VALUE peer = rsock_s_accept(rb_cSocket, server, &buffer.addr, &length); - return rb_assoc_new(sock2, rsock_io_socket_addrinfo(sock2, (struct sockaddr*)&buf, len)); + return rb_assoc_new(peer, rsock_io_socket_addrinfo(peer, &buffer.addr, length)); } -/* - * call-seq: - * socket.accept_nonblock => [client_socket, client_sockaddr] - * - * Accepts an incoming connection using accept(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * It returns an array containing the accepted socket - * for the incoming connection, _client_socket_, - * and a string that contains the +struct+ sockaddr information - * about the caller, _client_sockaddr_. - * - * === Example - * # In one script, start this first - * require 'socket' - * include Socket::Constants - * socket = Socket.new(AF_INET, SOCK_STREAM, 0) - * sockaddr = Socket.sockaddr_in(2200, 'localhost') - * socket.bind(sockaddr) - * socket.listen(5) - * begin # emulate blocking accept - * client_socket, client_sockaddr = socket.accept_nonblock - * rescue IO::WaitReadable, Errno::EINTR - * IO.select([socket]) - * retry - * end - * puts "The client said, '#{client_socket.readline.chomp}'" - * client_socket.puts "Hello from script one!" - * socket.close - * - * # In another script, start this second - * require 'socket' - * include Socket::Constants - * socket = Socket.new(AF_INET, SOCK_STREAM, 0) - * sockaddr = Socket.sockaddr_in(2200, 'localhost') - * socket.connect(sockaddr) - * socket.puts "Hello from script 2." - * puts "The server said, '#{socket.readline.chomp}'" - * socket.close - * - * Refer to Socket#accept for the exceptions that may be thrown if the call - * to _accept_nonblock_ fails. - * - * Socket#accept_nonblock may raise any error corresponding to accept(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK, Errno::AGAIN, Errno::ECONNABORTED or Errno::EPROTO, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. - * - * === See - * * Socket#accept - */ +/* :nodoc: */ static VALUE -sock_accept_nonblock(VALUE sock) +sock_accept_nonblock(VALUE sock, VALUE ex) { rb_io_t *fptr; VALUE sock2; - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buf; + struct sockaddr *addr = &buf.addr; + socklen_t len = (socklen_t)sizeof buf; GetOpenFile(sock, fptr); - sock2 = rsock_s_accept_nonblock(rb_cSocket, fptr, (struct sockaddr *)&buf, &len); - return rb_assoc_new(sock2, rsock_io_socket_addrinfo(sock2, (struct sockaddr*)&buf, len)); + sock2 = rsock_s_accept_nonblock(rb_cSocket, ex, fptr, addr, &len); + + if (SYMBOL_P(sock2)) /* :wait_readable */ + return sock2; + return rb_assoc_new(sock2, rsock_io_socket_addrinfo(sock2, &buf.addr, len)); } /* * call-seq: - * socket.sysaccept => [client_socket_fd, client_sockaddr] - * + * socket.sysaccept => [client_socket_fd, client_addrinfo] + * * Accepts an incoming connection returning an array containing the (integer) * file descriptor for the incoming connection, _client_socket_fd_, - * and a string that contains the +struct+ sockaddr information - * about the caller, _client_sockaddr_. - * + * and an Addrinfo, _client_addrinfo_. + * * === Example - * # In one script, start this first - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.bind( sockaddr ) - * socket.listen( 5 ) - * client_fd, client_sockaddr = socket.sysaccept - * client_socket = Socket.for_fd( client_fd ) - * puts "The client said, '#{client_socket.readline.chomp}'" - * client_socket.puts "Hello from script one!" - * socket.close - * - * # In another script, start this second - * require 'socket' - * include Socket::Constants - * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) - * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) - * socket.connect( sockaddr ) - * socket.puts "Hello from script 2." - * puts "The server said, '#{socket.readline.chomp}'" - * socket.close - * + * # In one script, start this first + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.bind( sockaddr ) + * socket.listen( 5 ) + * client_fd, client_addrinfo = socket.sysaccept + * client_socket = Socket.for_fd( client_fd ) + * puts "The client said, '#{client_socket.readline.chomp}'" + * client_socket.puts "Hello from script one!" + * socket.close + * + * # In another script, start this second + * require 'socket' + * include Socket::Constants + * socket = Socket.new( AF_INET, SOCK_STREAM, 0 ) + * sockaddr = Socket.pack_sockaddr_in( 2200, 'localhost' ) + * socket.connect( sockaddr ) + * socket.puts "Hello from script 2." + * puts "The server said, '#{socket.readline.chomp}'" + * socket.close + * * Refer to Socket#accept for the exceptions that may be thrown if the call - * to _sysaccept_ fails. - * + * to _sysaccept_ fails. + * * === See * * Socket#accept */ static VALUE -sock_sysaccept(VALUE sock) +sock_sysaccept(VALUE server) { - rb_io_t *fptr; - VALUE sock2; - struct sockaddr_storage buf; - socklen_t len = sizeof buf; + union_sockaddr buffer; + socklen_t length = (socklen_t)sizeof(buffer); - GetOpenFile(sock, fptr); - sock2 = rsock_s_accept(0,fptr->fd,(struct sockaddr*)&buf,&len); + VALUE peer = rsock_s_accept(0, server, &buffer.addr, &length); - return rb_assoc_new(sock2, rsock_io_socket_addrinfo(sock2, (struct sockaddr*)&buf, len)); + return rb_assoc_new(peer, rsock_io_socket_addrinfo(peer, &buffer.addr, length)); } #ifdef HAVE_GETHOSTNAME @@ -832,25 +838,43 @@ sock_sysaccept(VALUE sock) * * Returns the hostname. * - * Note that it is not guaranteed to be able to convert to IP address using gethostbyname, getaddrinfo, etc. - * * p Socket.gethostname #=> "hal" * + * Note that it is not guaranteed to be able to convert to IP address using gethostbyname, getaddrinfo, etc. + * If you need local IP address, use Socket.ip_address_list. */ static VALUE sock_gethostname(VALUE obj) { -#ifndef HOST_NAME_MAX -# define HOST_NAME_MAX 1024 +#if defined(NI_MAXHOST) +# define RUBY_MAX_HOST_NAME_LEN NI_MAXHOST +#elif defined(HOST_NAME_MAX) +# define RUBY_MAX_HOST_NAME_LEN HOST_NAME_MAX +#else +# define RUBY_MAX_HOST_NAME_LEN 1024 #endif - char buf[HOST_NAME_MAX+1]; - rb_secure(3); - if (gethostname(buf, (int)sizeof buf - 1) < 0) - rb_sys_fail("gethostname"); - - buf[sizeof buf - 1] = '\0'; - return rb_str_new2(buf); + long len = RUBY_MAX_HOST_NAME_LEN; + VALUE name; + + name = rb_str_new(0, len); + while (gethostname(RSTRING_PTR(name), len) < 0) { + int e = errno; + switch (e) { + case ENAMETOOLONG: +#ifdef __linux__ + case EINVAL: + /* glibc before version 2.1 uses EINVAL instead of ENAMETOOLONG */ +#endif + break; + default: + rb_syserr_fail(e, "gethostname(3)"); + } + rb_str_modify_expand(name, len); + len += len; + } + rb_str_resize(name, strlen(RSTRING_PTR(name))); + return name; } #else #ifdef HAVE_UNAME @@ -862,7 +886,6 @@ sock_gethostname(VALUE obj) { struct utsname un; - rb_secure(3); uname(&un); return rb_str_new2(un.nodename); } @@ -872,47 +895,47 @@ sock_gethostname(VALUE obj) #endif static VALUE -make_addrinfo(struct addrinfo *res0) +make_addrinfo(struct rb_addrinfo *res0, int norevlookup) { VALUE base, ary; struct addrinfo *res; if (res0 == NULL) { - rb_raise(rb_eSocket, "host not found"); + rb_raise(rb_eSocket, "host not found"); } base = rb_ary_new(); - for (res = res0; res; res = res->ai_next) { - ary = rsock_ipaddr(res->ai_addr, rsock_do_not_reverse_lookup); - if (res->ai_canonname) { - RARRAY_PTR(ary)[2] = rb_str_new2(res->ai_canonname); - } - rb_ary_push(ary, INT2FIX(res->ai_family)); - rb_ary_push(ary, INT2FIX(res->ai_socktype)); - rb_ary_push(ary, INT2FIX(res->ai_protocol)); - rb_ary_push(base, ary); + for (res = res0->ai; res; res = res->ai_next) { + ary = rsock_ipaddr(res->ai_addr, res->ai_addrlen, norevlookup); + if (res->ai_canonname) { + RARRAY_ASET(ary, 2, rb_str_new2(res->ai_canonname)); + } + rb_ary_push(ary, INT2FIX(res->ai_family)); + rb_ary_push(ary, INT2FIX(res->ai_socktype)); + rb_ary_push(ary, INT2FIX(res->ai_protocol)); + rb_ary_push(base, ary); } return base; } static VALUE -sock_sockaddr(struct sockaddr *addr, size_t len) +sock_sockaddr(struct sockaddr *addr, socklen_t len) { char *ptr; switch (addr->sa_family) { case AF_INET: - ptr = (char*)&((struct sockaddr_in*)addr)->sin_addr.s_addr; - len = sizeof(((struct sockaddr_in*)addr)->sin_addr.s_addr); - break; -#ifdef INET6 + ptr = (char*)&((struct sockaddr_in*)addr)->sin_addr.s_addr; + len = (socklen_t)sizeof(((struct sockaddr_in*)addr)->sin_addr.s_addr); + break; +#ifdef AF_INET6 case AF_INET6: - ptr = (char*)&((struct sockaddr_in6*)addr)->sin6_addr.s6_addr; - len = sizeof(((struct sockaddr_in6*)addr)->sin6_addr.s6_addr); - break; + ptr = (char*)&((struct sockaddr_in6*)addr)->sin6_addr.s6_addr; + len = (socklen_t)sizeof(((struct sockaddr_in6*)addr)->sin6_addr.s6_addr); + break; #endif default: rb_raise(rb_eSocket, "unknown socket family:%d", addr->sa_family); - break; + break; } return rb_str_new(ptr, len); } @@ -921,7 +944,18 @@ sock_sockaddr(struct sockaddr *addr, size_t len) * call-seq: * Socket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] * - * Obtains the host information for _hostname_. + * Use Addrinfo.getaddrinfo instead. + * This method is deprecated for the following reasons: + * + * - The 3rd element of the result is the address family of the first address. + * The address families of the rest of the addresses are not returned. + * - Uncommon address representation: + * 4/16-bytes binary string to represent IPv4/IPv6 address. + * - gethostbyname() may take a long time and it may block other threads. + * (GVL cannot be released since gethostbyname() is not thread safe.) + * - This method uses gethostbyname() function already removed from POSIX. + * + * This method obtains the host information for _hostname_. * * p Socket.gethostbyname("hal") #=> ["localhost", ["hal"], 2, "\x7F\x00\x00\x01"] * @@ -929,46 +963,65 @@ sock_sockaddr(struct sockaddr *addr, size_t len) static VALUE sock_s_gethostbyname(VALUE obj, VALUE host) { - rb_secure(3); - return rsock_make_hostent(host, rsock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), sock_sockaddr); + rb_warn("Socket.gethostbyname is deprecated; use Addrinfo.getaddrinfo instead."); + struct rb_addrinfo *res = + rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, AI_CANONNAME, Qnil); + return rsock_make_hostent(host, res, sock_sockaddr); } /* * call-seq: * Socket.gethostbyaddr(address_string [, address_family]) => hostent * - * Obtains the host information for _address_. + * Use Addrinfo#getnameinfo instead. + * This method is deprecated for the following reasons: + * + * - Uncommon address representation: + * 4/16-bytes binary string to represent IPv4/IPv6 address. + * - gethostbyaddr() may take a long time and it may block other threads. + * (GVL cannot be released since gethostbyname() is not thread safe.) + * - This method uses gethostbyname() function already removed from POSIX. + * + * This method obtains the host information for _address_. * - * p Socket.gethostbyaddr([221,186,184,68].pack("CCCC")) + * p Socket.gethostbyaddr([221,186,184,68].pack("CCCC")) * #=> ["carbon.ruby-lang.org", [], 2, "\xDD\xBA\xB8D"] + * + * p Socket.gethostbyaddr([127,0,0,1].pack("CCCC")) + * ["localhost", [], 2, "\x7F\x00\x00\x01"] + * p Socket.gethostbyaddr(([0]*15+[1]).pack("C"*16)) + * #=> ["localhost", ["ip6-localhost", "ip6-loopback"], 10, + * "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01"] + * */ static VALUE -sock_s_gethostbyaddr(int argc, VALUE *argv) +sock_s_gethostbyaddr(int argc, VALUE *argv, VALUE _) { VALUE addr, family; struct hostent *h; - struct sockaddr *sa; char **pch; VALUE ary, names; int t = AF_INET; + rb_warn("Socket.gethostbyaddr is deprecated; use Addrinfo#getnameinfo instead."); + rb_scan_args(argc, argv, "11", &addr, &family); - sa = (struct sockaddr*)StringValuePtr(addr); + StringValue(addr); if (!NIL_P(family)) { - t = rsock_family_arg(family); + t = rsock_family_arg(family); } -#ifdef INET6 +#ifdef AF_INET6 else if (RSTRING_LEN(addr) == 16) { - t = AF_INET6; + t = AF_INET6; } #endif - h = gethostbyaddr(RSTRING_PTR(addr), RSTRING_LEN(addr), t); + h = gethostbyaddr(RSTRING_PTR(addr), RSTRING_SOCKLEN(addr), t); if (h == NULL) { #ifdef HAVE_HSTRERROR - extern int h_errno; - rb_raise(rb_eSocket, "%s", (char*)hstrerror(h_errno)); + extern int h_errno; + rb_raise(rb_eSocket, "%s", (char*)hstrerror(h_errno)); #else - rb_raise(rb_eSocket, "host not found"); + rb_raise(rb_eSocket, "host not found"); #endif } ary = rb_ary_new(); @@ -976,14 +1029,14 @@ sock_s_gethostbyaddr(int argc, VALUE *argv) names = rb_ary_new(); rb_ary_push(ary, names); if (h->h_aliases != NULL) { - for (pch = h->h_aliases; *pch; pch++) { - rb_ary_push(names, rb_str_new2(*pch)); - } + for (pch = h->h_aliases; *pch; pch++) { + rb_ary_push(names, rb_str_new2(*pch)); + } } rb_ary_push(ary, INT2NUM(h->h_addrtype)); #ifdef h_addr for (pch = h->h_addr_list; *pch; pch++) { - rb_ary_push(ary, rb_str_new(*pch, h->h_length)); + rb_ary_push(ary, rb_str_new(*pch, h->h_length)); } #else rb_ary_push(ary, rb_str_new(h->h_addr, h->h_length)); @@ -1004,13 +1057,13 @@ sock_s_gethostbyaddr(int argc, VALUE *argv) * Socket.getservbyname("smtp") #=> 25 * Socket.getservbyname("shell") #=> 514 * Socket.getservbyname("syslog", "udp") #=> 514 - */ + */ static VALUE -sock_s_getservbyname(int argc, VALUE *argv) +sock_s_getservbyname(int argc, VALUE *argv, VALUE _) { VALUE service, proto; struct servent *sp; - int port; + long port; const char *servicename, *protoname = "tcp"; rb_scan_args(argc, argv, "11", &service, &proto); @@ -1020,15 +1073,15 @@ sock_s_getservbyname(int argc, VALUE *argv) if (!NIL_P(proto)) protoname = StringValueCStr(proto); sp = getservbyname(servicename, protoname); if (sp) { - port = ntohs(sp->s_port); + port = ntohs(sp->s_port); } else { - char *end; + char *end; - port = STRTOUL(servicename, &end, 0); - if (*end != '\0') { - rb_raise(rb_eSocket, "no such service %s/%s", servicename, protoname); - } + port = STRTOUL(servicename, &end, 0); + if (*end != '\0') { + rb_raise(rb_eSocket, "no such service %s/%s", servicename, protoname); + } } return INT2FIX(port); } @@ -1047,7 +1100,7 @@ sock_s_getservbyname(int argc, VALUE *argv) * */ static VALUE -sock_s_getservbyport(int argc, VALUE *argv) +sock_s_getservbyport(int argc, VALUE *argv, VALUE _) { VALUE port, proto; struct servent *sp; @@ -1057,30 +1110,33 @@ sock_s_getservbyport(int argc, VALUE *argv) rb_scan_args(argc, argv, "11", &port, &proto); portnum = NUM2LONG(port); if (portnum != (uint16_t)portnum) { - const char *s = portnum > 0 ? "big" : "small"; - rb_raise(rb_eRangeError, "integer %ld too %s to convert into `int16_t'", portnum, s); + const char *s = portnum > 0 ? "big" : "small"; + rb_raise(rb_eRangeError, "integer %ld too %s to convert into `int16_t'", portnum, s); } if (!NIL_P(proto)) protoname = StringValueCStr(proto); sp = getservbyport((int)htons((uint16_t)portnum), protoname); if (!sp) { - rb_raise(rb_eSocket, "no such service for port %d/%s", (int)portnum, protoname); + rb_raise(rb_eSocket, "no such service for port %d/%s", (int)portnum, protoname); } - return rb_tainted_str_new2(sp->s_name); + return rb_str_new2(sp->s_name); } /* * call-seq: - * Socket.getaddrinfo(nodename, servname[, family[, socktype[, protocol[, flags]]]]) => array + * Socket.getaddrinfo(nodename, servname[, family[, socktype[, protocol[, flags[, reverse_lookup]]]]]) => array * * Obtains address information for _nodename_:_servname_. * - * _family_ should be an address family such as: :INET, :INET6, :UNIX, etc. + * Note that Addrinfo.getaddrinfo provides the same functionality in + * an object oriented style. + * + * _family_ should be an address family such as: :INET, :INET6, etc. * * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. * - * _protocol_ should be a protocol defined in the family. - * 0 is default protocol for the family. + * _protocol_ should be a protocol defined in the family, + * and defaults to 0 for the family. * * _flags_ should be bitwise OR of Socket::AI_* constants. * @@ -1092,31 +1148,45 @@ sock_s_getservbyport(int argc, VALUE *argv) * # ["AF_INET", 0, "localhost", "127.0.0.1", 2, 2, 17], # PF_INET/SOCK_DGRAM/IPPROTO_UDP * # ["AF_INET", 0, "localhost", "127.0.0.1", 2, 3, 0]] # PF_INET/SOCK_RAW/IPPROTO_IP * + * _reverse_lookup_ directs the form of the third element, and has to + * be one of below. If _reverse_lookup_ is omitted, the default value is +nil+. + * + * +true+, +:hostname+: hostname is obtained from numeric address using reverse lookup, which may take a time. + * +false+, +:numeric+: hostname is the same as numeric address. + * +nil+: obey to the current +do_not_reverse_lookup+ flag. + * + * If Addrinfo object is preferred, use Addrinfo.getaddrinfo. */ static VALUE -sock_s_getaddrinfo(int argc, VALUE *argv) +sock_s_getaddrinfo(int argc, VALUE *argv, VALUE _) { - VALUE host, port, family, socktype, protocol, flags, ret; - struct addrinfo hints, *res; + VALUE host, port, family, socktype, protocol, flags, ret, revlookup; + struct addrinfo hints; + struct rb_addrinfo *res; + int norevlookup; - rb_scan_args(argc, argv, "24", &host, &port, &family, &socktype, &protocol, &flags); + rb_scan_args(argc, argv, "25", &host, &port, &family, &socktype, &protocol, &flags, &revlookup); MEMZERO(&hints, struct addrinfo, 1); hints.ai_family = NIL_P(family) ? PF_UNSPEC : rsock_family_arg(family); if (!NIL_P(socktype)) { - hints.ai_socktype = rsock_socktype_arg(socktype); + hints.ai_socktype = rsock_socktype_arg(socktype); } if (!NIL_P(protocol)) { - hints.ai_protocol = NUM2INT(protocol); + hints.ai_protocol = NUM2INT(protocol); } if (!NIL_P(flags)) { - hints.ai_flags = NUM2INT(flags); + hints.ai_flags = NUM2INT(flags); + } + if (NIL_P(revlookup) || !rsock_revlookup_flag(revlookup, &norevlookup)) { + norevlookup = rsock_do_not_reverse_lookup; } - res = rsock_getaddrinfo(host, port, &hints, 0); - ret = make_addrinfo(res); - freeaddrinfo(res); + res = rsock_getaddrinfo(host, port, &hints, 0, Qnil); + + ret = make_addrinfo(res, norevlookup); + rb_freeaddrinfo(res); return ret; } @@ -1133,136 +1203,119 @@ sock_s_getaddrinfo(int argc, VALUE *argv) * * _flags_ should be bitwise OR of Socket::NI_* constants. * - * Note that the last form is compatible with IPSocket#{addr,peeraddr}. + * Note: + * The last form is compatible with IPSocket#addr and IPSocket#peeraddr. * * Socket.getnameinfo(Socket.sockaddr_in(80, "127.0.0.1")) #=> ["localhost", "www"] * Socket.getnameinfo(["AF_INET", 80, "127.0.0.1"]) #=> ["localhost", "www"] * Socket.getnameinfo(["AF_INET", 80, "localhost", "127.0.0.1"]) #=> ["localhost", "www"] + * + * If Addrinfo object is preferred, use Addrinfo#getnameinfo. */ static VALUE -sock_s_getnameinfo(int argc, VALUE *argv) +sock_s_getnameinfo(int argc, VALUE *argv, VALUE _) { VALUE sa, af = Qnil, host = Qnil, port = Qnil, flags, tmp; - char *hptr, *pptr; char hbuf[1024], pbuf[1024]; int fl; - struct addrinfo hints, *res = NULL, *r; - int error; - struct sockaddr_storage ss; + struct rb_addrinfo *res = NULL; + struct addrinfo hints, *r; + int error, saved_errno; + union_sockaddr ss; struct sockaddr *sap; + socklen_t salen; sa = flags = Qnil; rb_scan_args(argc, argv, "11", &sa, &flags); fl = 0; if (!NIL_P(flags)) { - fl = NUM2INT(flags); + fl = NUM2INT(flags); } tmp = rb_check_sockaddr_string_type(sa); if (!NIL_P(tmp)) { - sa = tmp; - if (sizeof(ss) < (size_t)RSTRING_LEN(sa)) { - rb_raise(rb_eTypeError, "sockaddr length too big"); - } - memcpy(&ss, RSTRING_PTR(sa), RSTRING_LEN(sa)); - if ((size_t)RSTRING_LEN(sa) != SS_LEN(&ss)) { - rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); - } - sap = (struct sockaddr*)&ss; - goto call_nameinfo; + sa = tmp; + if (sizeof(ss) < (size_t)RSTRING_LEN(sa)) { + rb_raise(rb_eTypeError, "sockaddr length too big"); + } + memcpy(&ss, RSTRING_PTR(sa), RSTRING_LEN(sa)); + if (!VALIDATE_SOCKLEN(&ss.addr, RSTRING_LEN(sa))) { + rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); + } + sap = &ss.addr; + salen = RSTRING_SOCKLEN(sa); + goto call_nameinfo; } tmp = rb_check_array_type(sa); if (!NIL_P(tmp)) { - sa = tmp; - MEMZERO(&hints, struct addrinfo, 1); - if (RARRAY_LEN(sa) == 3) { - af = RARRAY_PTR(sa)[0]; - port = RARRAY_PTR(sa)[1]; - host = RARRAY_PTR(sa)[2]; - } - else if (RARRAY_LEN(sa) >= 4) { - af = RARRAY_PTR(sa)[0]; - port = RARRAY_PTR(sa)[1]; - host = RARRAY_PTR(sa)[3]; - if (NIL_P(host)) { - host = RARRAY_PTR(sa)[2]; - } - else { - /* - * 4th element holds numeric form, don't resolve. - * see rsock_ipaddr(). - */ + sa = tmp; + MEMZERO(&hints, struct addrinfo, 1); + if (RARRAY_LEN(sa) == 3) { + af = RARRAY_AREF(sa, 0); + port = RARRAY_AREF(sa, 1); + host = RARRAY_AREF(sa, 2); + } + else if (RARRAY_LEN(sa) >= 4) { + af = RARRAY_AREF(sa, 0); + port = RARRAY_AREF(sa, 1); + host = RARRAY_AREF(sa, 3); + if (NIL_P(host)) { + host = RARRAY_AREF(sa, 2); + } + else { + /* + * 4th element holds numeric form, don't resolve. + * see rsock_ipaddr(). + */ #ifdef AI_NUMERICHOST /* AIX 4.3.3 doesn't have AI_NUMERICHOST. */ - hints.ai_flags |= AI_NUMERICHOST; + hints.ai_flags |= AI_NUMERICHOST; #endif - } - } - else { - rb_raise(rb_eArgError, "array size should be 3 or 4, %ld given", - RARRAY_LEN(sa)); - } - /* host */ - if (NIL_P(host)) { - hptr = NULL; - } - else { - strncpy(hbuf, StringValuePtr(host), sizeof(hbuf)); - hbuf[sizeof(hbuf) - 1] = '\0'; - hptr = hbuf; - } - /* port */ - if (NIL_P(port)) { - strcpy(pbuf, "0"); - pptr = NULL; - } - else if (FIXNUM_P(port)) { - snprintf(pbuf, sizeof(pbuf), "%ld", NUM2LONG(port)); - pptr = pbuf; - } - else { - strncpy(pbuf, StringValuePtr(port), sizeof(pbuf)); - pbuf[sizeof(pbuf) - 1] = '\0'; - pptr = pbuf; - } - hints.ai_socktype = (fl & NI_DGRAM) ? SOCK_DGRAM : SOCK_STREAM; - /* af */ + } + } + else { + rb_raise(rb_eArgError, "array size should be 3 or 4, %ld given", + RARRAY_LEN(sa)); + } + hints.ai_socktype = (fl & NI_DGRAM) ? SOCK_DGRAM : SOCK_STREAM; + /* af */ hints.ai_family = NIL_P(af) ? PF_UNSPEC : rsock_family_arg(af); - error = rb_getaddrinfo(hptr, pptr, &hints, &res); - if (error) goto error_exit_addr; - sap = res->ai_addr; + res = rsock_getaddrinfo(host, port, &hints, 0, Qnil); + sap = res->ai->ai_addr; + salen = res->ai->ai_addrlen; } else { - rb_raise(rb_eTypeError, "expecting String or Array"); + rb_raise(rb_eTypeError, "expecting String or Array"); } call_nameinfo: - error = rb_getnameinfo(sap, SA_LEN(sap), hbuf, sizeof(hbuf), - pbuf, sizeof(pbuf), fl); + error = rb_getnameinfo(sap, salen, hbuf, sizeof(hbuf), + pbuf, sizeof(pbuf), fl); if (error) goto error_exit_name; if (res) { - for (r = res->ai_next; r; r = r->ai_next) { - char hbuf2[1024], pbuf2[1024]; - - sap = r->ai_addr; - error = rb_getnameinfo(sap, SA_LEN(sap), hbuf2, sizeof(hbuf2), - pbuf2, sizeof(pbuf2), fl); - if (error) goto error_exit_name; - if (strcmp(hbuf, hbuf2) != 0|| strcmp(pbuf, pbuf2) != 0) { - freeaddrinfo(res); - rb_raise(rb_eSocket, "sockaddr resolved to multiple nodename"); - } - } - freeaddrinfo(res); + for (r = res->ai->ai_next; r; r = r->ai_next) { + char hbuf2[1024], pbuf2[1024]; + + sap = r->ai_addr; + salen = r->ai_addrlen; + error = rb_getnameinfo(sap, salen, hbuf2, sizeof(hbuf2), + pbuf2, sizeof(pbuf2), fl); + if (error) goto error_exit_name; + if (strcmp(hbuf, hbuf2) != 0|| strcmp(pbuf, pbuf2) != 0) { + rb_freeaddrinfo(res); + rb_raise(rb_eSocket, "sockaddr resolved to multiple nodename"); + } + } + rb_freeaddrinfo(res); } return rb_assoc_new(rb_str_new2(hbuf), rb_str_new2(pbuf)); - error_exit_addr: - if (res) freeaddrinfo(res); - rsock_raise_socket_error("getaddrinfo", error); - error_exit_name: - if (res) freeaddrinfo(res); - rsock_raise_socket_error("getnameinfo", error); + saved_errno = errno; + if (res) rb_freeaddrinfo(res); + errno = saved_errno; + rsock_raise_resolution_error("getnameinfo", error); + + UNREACHABLE_RETURN(Qnil); } /* @@ -1282,12 +1335,10 @@ sock_s_getnameinfo(int argc, VALUE *argv) static VALUE sock_s_pack_sockaddr_in(VALUE self, VALUE port, VALUE host) { - struct addrinfo *res = rsock_addrinfo(host, port, 0, 0); - VALUE addr = rb_str_new((char*)res->ai_addr, res->ai_addrlen); + struct rb_addrinfo *res = rsock_addrinfo(host, port, AF_UNSPEC, 0, 0, Qnil); + VALUE addr = rb_str_new((char*)res->ai->ai_addr, res->ai->ai_addrlen); - freeaddrinfo(res); - OBJ_INFECT(addr, port); - OBJ_INFECT(addr, host); + rb_freeaddrinfo(res); return addr; } @@ -1328,12 +1379,11 @@ sock_s_unpack_sockaddr_in(VALUE self, VALUE addr) rb_raise(rb_eArgError, "not an AF_INET sockaddr"); #endif } - host = rsock_make_ipaddr((struct sockaddr*)sockaddr); - OBJ_INFECT(host, addr); + host = rsock_make_ipaddr((struct sockaddr*)sockaddr, RSTRING_SOCKLEN(addr)); return rb_assoc_new(INT2NUM(ntohs(sockaddr->sin_port)), host); } -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN /* * call-seq: @@ -1349,19 +1399,16 @@ static VALUE sock_s_pack_sockaddr_un(VALUE self, VALUE path) { struct sockaddr_un sockaddr; - char *sun_path; VALUE addr; - MEMZERO(&sockaddr, struct sockaddr_un, 1); - sockaddr.sun_family = AF_UNIX; - sun_path = StringValueCStr(path); - if (sizeof(sockaddr.sun_path) <= strlen(sun_path)) { - rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", - (int)sizeof(sockaddr.sun_path)-1); + StringValue(path); + INIT_SOCKADDR_UN(&sockaddr, sizeof(struct sockaddr_un)); + if (sizeof(sockaddr.sun_path) < (size_t)RSTRING_LEN(path)) { + rb_raise(rb_eArgError, "too long unix socket path (%"PRIuSIZE" bytes given but %"PRIuSIZE" bytes max)", + (size_t)RSTRING_LEN(path), sizeof(sockaddr.sun_path)); } - strncpy(sockaddr.sun_path, sun_path, sizeof(sockaddr.sun_path)-1); - addr = rb_str_new((char*)&sockaddr, sizeof(sockaddr)); - OBJ_INFECT(addr, path); + memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); + addr = rb_str_new((char*)&sockaddr, rsock_unix_sockaddr_len(path)); return addr; } @@ -1374,7 +1421,7 @@ sock_s_pack_sockaddr_un(VALUE self, VALUE path) * * _sockaddr_ should be a string or an addrinfo for AF_UNIX. * - * sockaddr = Socket.sockaddr_un("/tmp/sock") + * sockaddr = Socket.sockaddr_un("/tmp/sock") * p Socket.unpack_sockaddr_un(sockaddr) #=> "/tmp/sock" * */ @@ -1382,7 +1429,6 @@ static VALUE sock_s_unpack_sockaddr_un(VALUE self, VALUE addr) { struct sockaddr_un * sockaddr; - const char *sun_path; VALUE path; sockaddr = (struct sockaddr_un*)SockAddrStringValuePtr(addr); @@ -1395,78 +1441,99 @@ sock_s_unpack_sockaddr_un(VALUE self, VALUE addr) rb_raise(rb_eArgError, "not an AF_UNIX sockaddr"); } if (sizeof(struct sockaddr_un) < (size_t)RSTRING_LEN(addr)) { - rb_raise(rb_eTypeError, "too long sockaddr_un - %ld longer than %d", - RSTRING_LEN(addr), (int)sizeof(struct sockaddr_un)); - } - sun_path = rsock_unixpath(sockaddr, RSTRING_LEN(addr)); - if (sizeof(struct sockaddr_un) == RSTRING_LEN(addr) && - sun_path == sockaddr->sun_path && - sun_path + strlen(sun_path) == RSTRING_PTR(addr) + RSTRING_LEN(addr)) { - rb_raise(rb_eArgError, "sockaddr_un.sun_path not NUL terminated"); + rb_raise(rb_eTypeError, "too long sockaddr_un - %ld longer than %d", + RSTRING_LEN(addr), (int)sizeof(struct sockaddr_un)); } - path = rb_str_new2(sun_path); - OBJ_INFECT(path, addr); + path = rsock_unixpath_str(sockaddr, RSTRING_SOCKLEN(addr)); return path; } #endif #if defined(HAVE_GETIFADDRS) || defined(SIOCGLIFCONF) || defined(SIOCGIFCONF) || defined(_WIN32) -static VALUE -sockaddr_obj(struct sockaddr *addr) -{ - socklen_t len; -#if defined(AF_INET6) && defined(__KAME__) - struct sockaddr_in6 addr6; -#endif +static socklen_t +sockaddr_len(struct sockaddr *addr) +{ if (addr == NULL) - return Qnil; + return 0; + +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN + if (addr->sa_len != 0) + return addr->sa_len; +#endif switch (addr->sa_family) { case AF_INET: - len = sizeof(struct sockaddr_in); - break; + return (socklen_t)sizeof(struct sockaddr_in); #ifdef AF_INET6 case AF_INET6: - len = sizeof(struct sockaddr_in6); -# ifdef __KAME__ - /* KAME uses the 2nd 16bit word of link local IPv6 address as interface index internally */ - /* http://orange.kame.net/dev/cvsweb.cgi/kame/IMPLEMENTATION */ - /* convert fe80:1::1 to fe80::1%1 */ - memcpy(&addr6, addr, len); - addr = (struct sockaddr *)&addr6; - if (IN6_IS_ADDR_LINKLOCAL(&addr6.sin6_addr) && - addr6.sin6_scope_id == 0 && - (addr6.sin6_addr.s6_addr[2] || addr6.sin6_addr.s6_addr[3])) { - addr6.sin6_scope_id = (addr6.sin6_addr.s6_addr[2] << 8) | addr6.sin6_addr.s6_addr[3]; - addr6.sin6_addr.s6_addr[2] = 0; - addr6.sin6_addr.s6_addr[3] = 0; - } -# endif - break; + return (socklen_t)sizeof(struct sockaddr_in6); #endif -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN case AF_UNIX: - len = sizeof(struct sockaddr_un); - break; + return (socklen_t)sizeof(struct sockaddr_un); +#endif + +#ifdef AF_PACKET + case AF_PACKET: + return (socklen_t)(offsetof(struct sockaddr_ll, sll_addr) + ((struct sockaddr_ll *)addr)->sll_halen); #endif default: - len = sizeof(struct sockaddr_in); - break; + return (socklen_t)(offsetof(struct sockaddr, sa_family) + sizeof(addr->sa_family)); + } +} + +socklen_t +rsock_sockaddr_len(struct sockaddr *addr) +{ + return sockaddr_len(addr); +} + +static VALUE +sockaddr_obj(struct sockaddr *addr, socklen_t len) +{ +#if defined(AF_INET6) && defined(__KAME__) + struct sockaddr_in6 addr6; +#endif + + if (addr == NULL) + return Qnil; + + len = sockaddr_len(addr); + +#if defined(__KAME__) && defined(AF_INET6) + if (addr->sa_family == AF_INET6) { + /* KAME uses the 2nd 16bit word of link local IPv6 address as interface index internally */ + /* http://orange.kame.net/dev/cvsweb.cgi/kame/IMPLEMENTATION */ + /* convert fe80:1::1 to fe80::1%1 */ + len = (socklen_t)sizeof(struct sockaddr_in6); + memcpy(&addr6, addr, len); + addr = (struct sockaddr *)&addr6; + if (IN6_IS_ADDR_LINKLOCAL(&addr6.sin6_addr) && + addr6.sin6_scope_id == 0 && + (addr6.sin6_addr.s6_addr[2] || addr6.sin6_addr.s6_addr[3])) { + addr6.sin6_scope_id = (addr6.sin6_addr.s6_addr[2] << 8) | addr6.sin6_addr.s6_addr[3]; + addr6.sin6_addr.s6_addr[2] = 0; + addr6.sin6_addr.s6_addr[3] = 0; + } } -#ifdef SA_LEN - if (len < (socklen_t)SA_LEN(addr)) - len = SA_LEN(addr); #endif return rsock_addrinfo_new(addr, len, addr->sa_family, 0, 0, Qnil, Qnil); } + +VALUE +rsock_sockaddr_obj(struct sockaddr *addr, socklen_t len) +{ + return sockaddr_obj(addr, len); +} + #endif -#if defined(HAVE_GETIFADDRS) || (defined(SIOCGLIFCONF) && defined(SIOCGLIFNUM) && !defined(__hpux)) || defined(SIOCGIFCONF) || defined(_WIN32) +#if defined(HAVE_GETIFADDRS) || (defined(SIOCGLIFCONF) && defined(SIOCGLIFNUM)) || defined(SIOCGIFCONF) || defined(_WIN32) /* * call-seq: * Socket.ip_address_list => array @@ -1499,21 +1566,41 @@ socket_s_ip_address_list(VALUE self) list = rb_ary_new(); for (p = ifp; p; p = p->ifa_next) { if (p->ifa_addr != NULL && IS_IP_FAMILY(p->ifa_addr->sa_family)) { - rb_ary_push(list, sockaddr_obj(p->ifa_addr)); + struct sockaddr *addr = p->ifa_addr; +#if defined(AF_INET6) && defined(__sun) + /* + * OpenIndiana SunOS 5.11 getifaddrs() returns IPv6 link local + * address with sin6_scope_id == 0. + * So fill it from the interface name (ifa_name). + */ + struct sockaddr_in6 addr6; + if (addr->sa_family == AF_INET6) { + socklen_t len = (socklen_t)sizeof(struct sockaddr_in6); + memcpy(&addr6, addr, len); + addr = (struct sockaddr *)&addr6; + if (IN6_IS_ADDR_LINKLOCAL(&addr6.sin6_addr) && + addr6.sin6_scope_id == 0) { + unsigned int ifindex = if_nametoindex(p->ifa_name); + if (ifindex != 0) { + addr6.sin6_scope_id = ifindex; + } + } + } +#endif + rb_ary_push(list, sockaddr_obj(addr, sockaddr_len(addr))); } } freeifaddrs(ifp); return list; -#elif defined(SIOCGLIFCONF) && defined(SIOCGLIFNUM) && !defined(__hpux) +#elif defined(SIOCGLIFCONF) && defined(SIOCGLIFNUM) /* Solaris if_tcp(7P) */ - /* HP-UX has SIOCGLIFCONF too. But it uses different struct */ int fd = -1; int ret; struct lifnum ln; struct lifconf lc; - char *reason = NULL; + const char *reason = NULL; int save_errno; int i; VALUE list = Qnil; @@ -1522,15 +1609,15 @@ socket_s_ip_address_list(VALUE self) fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd == -1) - rb_sys_fail("socket"); + rb_sys_fail("socket(2)"); memset(&ln, 0, sizeof(ln)); ln.lifn_family = AF_UNSPEC; ret = ioctl(fd, SIOCGLIFNUM, &ln); if (ret == -1) { - reason = "SIOCGLIFNUM"; - goto finish; + reason = "SIOCGLIFNUM"; + goto finish; } memset(&lc, 0, sizeof(lc)); @@ -1541,37 +1628,45 @@ socket_s_ip_address_list(VALUE self) ret = ioctl(fd, SIOCGLIFCONF, &lc); if (ret == -1) { - reason = "SIOCGLIFCONF"; - goto finish; + reason = "SIOCGLIFCONF"; + goto finish; } - close(fd); - fd = -1; - list = rb_ary_new(); for (i = 0; i < ln.lifn_count; i++) { - struct lifreq *req = &lc.lifc_req[i]; + struct lifreq *req = &lc.lifc_req[i]; if (IS_IP_FAMILY(req->lifr_addr.ss_family)) { - rb_ary_push(list, sockaddr_obj((struct sockaddr *)&req->lifr_addr)); + if (req->lifr_addr.ss_family == AF_INET6 && + IN6_IS_ADDR_LINKLOCAL(&((struct sockaddr_in6 *)(&req->lifr_addr))->sin6_addr) && + ((struct sockaddr_in6 *)(&req->lifr_addr))->sin6_scope_id == 0) { + struct lifreq req2; + memcpy(req2.lifr_name, req->lifr_name, LIFNAMSIZ); + ret = ioctl(fd, SIOCGLIFINDEX, &req2); + if (ret == -1) { + reason = "SIOCGLIFINDEX"; + goto finish; + } + ((struct sockaddr_in6 *)(&req->lifr_addr))->sin6_scope_id = req2.lifr_index; + } + rb_ary_push(list, sockaddr_obj((struct sockaddr *)&req->lifr_addr, req->lifr_addrlen)); } } finish: save_errno = errno; - if (lc.lifc_buf != NULL) - xfree(lc.lifc_req); + xfree(lc.lifc_req); if (fd != -1) - close(fd); + close(fd); errno = save_errno; if (reason) - rb_sys_fail(reason); + rb_syserr_fail(save_errno, reason); return list; #elif defined(SIOCGIFCONF) int fd = -1; int ret; -#define EXTRA_SPACE (sizeof(struct ifconf) + sizeof(struct sockaddr_storage)) +#define EXTRA_SPACE ((int)(sizeof(struct ifconf) + sizeof(union_sockaddr))) char initbuf[4096+EXTRA_SPACE]; char *buf = initbuf; int bufsize; @@ -1583,7 +1678,7 @@ socket_s_ip_address_list(VALUE self) fd = socket(AF_INET, SOCK_DGRAM, 0); if (fd == -1) - rb_sys_fail("socket"); + rb_sys_fail("socket(2)"); bufsize = sizeof(initbuf); buf = initbuf; @@ -1603,17 +1698,17 @@ socket_s_ip_address_list(VALUE self) /* fprintf(stderr, "conf.ifc_len: %d\n", conf.ifc_len); */ if (bufsize - EXTRA_SPACE < conf.ifc_len) { - if (bufsize < conf.ifc_len) { - /* NetBSD returns required size for all interfaces. */ - bufsize = conf.ifc_len + EXTRA_SPACE; - } - else { - bufsize = bufsize << 1; - } - if (buf == initbuf) - buf = NULL; - buf = xrealloc(buf, bufsize); - goto retry; + if (bufsize < conf.ifc_len) { + /* NetBSD returns required size for all interfaces. */ + bufsize = conf.ifc_len + EXTRA_SPACE; + } + else { + bufsize = bufsize << 1; + } + if (buf == initbuf) + buf = NULL; + buf = xrealloc(buf, bufsize); + goto retry; } close(fd); @@ -1622,11 +1717,11 @@ socket_s_ip_address_list(VALUE self) list = rb_ary_new(); req = conf.ifc_req; while ((char*)req < (char*)conf.ifc_req + conf.ifc_len) { - struct sockaddr *addr = &req->ifr_addr; + struct sockaddr *addr = &req->ifr_addr; if (IS_IP_FAMILY(addr->sa_family)) { - rb_ary_push(list, sockaddr_obj(addr)); - } -#ifdef HAVE_SA_LEN + rb_ary_push(list, sockaddr_obj(addr, sockaddr_len(addr))); + } +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN # ifndef _SIZEOF_ADDR_IFREQ # define _SIZEOF_ADDR_IFREQ(r) \ (sizeof(struct ifreq) + \ @@ -1634,9 +1729,9 @@ socket_s_ip_address_list(VALUE self) (r).ifr_addr.sa_len - sizeof(struct sockaddr) : \ 0)) # endif - req = (struct ifreq *)((char*)req + _SIZEOF_ADDR_IFREQ(*req)); + req = (struct ifreq *)((char*)req + _SIZEOF_ADDR_IFREQ(*req)); #else - req = (struct ifreq *)((char*)req + sizeof(struct ifreq)); + req = (struct ifreq *)((char*)req + sizeof(struct ifreq)); #endif } @@ -1646,57 +1741,57 @@ socket_s_ip_address_list(VALUE self) if (buf != initbuf) xfree(buf); if (fd != -1) - close(fd); + close(fd); errno = save_errno; if (reason) - rb_sys_fail(reason); + rb_syserr_fail(save_errno, reason); return list; #undef EXTRA_SPACE #elif defined(_WIN32) typedef struct ip_adapter_unicast_address_st { - unsigned LONG_LONG dummy0; - struct ip_adapter_unicast_address_st *Next; - struct { - struct sockaddr *lpSockaddr; - int iSockaddrLength; - } Address; - int dummy1; - int dummy2; - int dummy3; - long dummy4; - long dummy5; - long dummy6; + unsigned LONG_LONG dummy0; + struct ip_adapter_unicast_address_st *Next; + struct { + struct sockaddr *lpSockaddr; + int iSockaddrLength; + } Address; + int dummy1; + int dummy2; + int dummy3; + long dummy4; + long dummy5; + long dummy6; } ip_adapter_unicast_address_t; typedef struct ip_adapter_anycast_address_st { - unsigned LONG_LONG dummy0; - struct ip_adapter_anycast_address_st *Next; - struct { - struct sockaddr *lpSockaddr; - int iSockaddrLength; - } Address; + unsigned LONG_LONG dummy0; + struct ip_adapter_anycast_address_st *Next; + struct { + struct sockaddr *lpSockaddr; + int iSockaddrLength; + } Address; } ip_adapter_anycast_address_t; typedef struct ip_adapter_addresses_st { - unsigned LONG_LONG dummy0; - struct ip_adapter_addresses_st *Next; - void *dummy1; - ip_adapter_unicast_address_t *FirstUnicastAddress; - ip_adapter_anycast_address_t *FirstAnycastAddress; - void *dummy2; - void *dummy3; - void *dummy4; - void *dummy5; - void *dummy6; - BYTE dummy7[8]; - DWORD dummy8; - DWORD dummy9; - DWORD dummy10; - DWORD IfType; - int OperStatus; - DWORD dummy12; - DWORD dummy13[16]; - void *dummy14; + unsigned LONG_LONG dummy0; + struct ip_adapter_addresses_st *Next; + void *dummy1; + ip_adapter_unicast_address_t *FirstUnicastAddress; + ip_adapter_anycast_address_t *FirstAnycastAddress; + void *dummy2; + void *dummy3; + void *dummy4; + void *dummy5; + void *dummy6; + BYTE dummy7[8]; + DWORD dummy8; + DWORD dummy9; + DWORD dummy10; + DWORD IfType; + int OperStatus; + DWORD dummy12; + DWORD dummy13[16]; + void *dummy14; } ip_adapter_addresses_t; typedef ULONG (WINAPI *GetAdaptersAddresses_t)(ULONG, ULONG, PVOID, ip_adapter_addresses_t *, PULONG); HMODULE h; @@ -1708,49 +1803,49 @@ socket_s_ip_address_list(VALUE self) h = LoadLibrary("iphlpapi.dll"); if (!h) - rb_notimplement(); + rb_notimplement(); pGetAdaptersAddresses = (GetAdaptersAddresses_t)GetProcAddress(h, "GetAdaptersAddresses"); if (!pGetAdaptersAddresses) { - FreeLibrary(h); - rb_notimplement(); + FreeLibrary(h); + rb_notimplement(); } ret = pGetAdaptersAddresses(AF_UNSPEC, 0, NULL, NULL, &len); if (ret != ERROR_SUCCESS && ret != ERROR_BUFFER_OVERFLOW) { - errno = rb_w32_map_errno(ret); - FreeLibrary(h); - rb_sys_fail("GetAdaptersAddresses"); + errno = rb_w32_map_errno(ret); + FreeLibrary(h); + rb_sys_fail("GetAdaptersAddresses"); } adapters = (ip_adapter_addresses_t *)ALLOCA_N(BYTE, len); ret = pGetAdaptersAddresses(AF_UNSPEC, 0, NULL, adapters, &len); if (ret != ERROR_SUCCESS) { - errno = rb_w32_map_errno(ret); - FreeLibrary(h); - rb_sys_fail("GetAdaptersAddresses"); + errno = rb_w32_map_errno(ret); + FreeLibrary(h); + rb_sys_fail("GetAdaptersAddresses"); } list = rb_ary_new(); for (; adapters; adapters = adapters->Next) { - ip_adapter_unicast_address_t *uni; - ip_adapter_anycast_address_t *any; - if (adapters->OperStatus != 1) /* 1 means IfOperStatusUp */ - continue; - for (uni = adapters->FirstUnicastAddress; uni; uni = uni->Next) { + ip_adapter_unicast_address_t *uni; + ip_adapter_anycast_address_t *any; + if (adapters->OperStatus != 1) /* 1 means IfOperStatusUp */ + continue; + for (uni = adapters->FirstUnicastAddress; uni; uni = uni->Next) { #ifndef INET6 - if (uni->Address.lpSockaddr->sa_family == AF_INET) + if (uni->Address.lpSockaddr->sa_family == AF_INET) #else - if (IS_IP_FAMILY(uni->Address.lpSockaddr->sa_family)) + if (IS_IP_FAMILY(uni->Address.lpSockaddr->sa_family)) #endif - rb_ary_push(list, sockaddr_obj(uni->Address.lpSockaddr)); - } - for (any = adapters->FirstAnycastAddress; any; any = any->Next) { + rb_ary_push(list, sockaddr_obj(uni->Address.lpSockaddr, uni->Address.iSockaddrLength)); + } + for (any = adapters->FirstAnycastAddress; any; any = any->Next) { #ifndef INET6 - if (any->Address.lpSockaddr->sa_family == AF_INET) + if (any->Address.lpSockaddr->sa_family == AF_INET) #else - if (IS_IP_FAMILY(any->Address.lpSockaddr->sa_family)) + if (IS_IP_FAMILY(any->Address.lpSockaddr->sa_family)) #endif - rb_ary_push(list, sockaddr_obj(any->Address.lpSockaddr)); - } + rb_ary_push(list, sockaddr_obj(any->Address.lpSockaddr, any->Address.iSockaddrLength)); + } } FreeLibrary(h); @@ -1762,50 +1857,226 @@ socket_s_ip_address_list(VALUE self) #endif /* - * Class +Socket+ provides access to the underlying operating system - * socket implementations. It can be used to provide more operating system - * specific functionality than the protocol-specific socket classes but at the - * expense of greater complexity. In particular, the class handles addresses - * using +struct+ sockaddr structures packed into Ruby strings, which can be - * a joy to manipulate. - * - * === Exception Handling - * Ruby's implementation of +Socket+ causes an exception to be raised - * based on the error generated by the system dependent implementation. - * This is why the methods are documented in a way that isolate - * Unix-based system exceptions from Windows based exceptions. If more - * information on particular exception is needed please refer to the - * Unix manual pages or the Windows WinSock reference. - * - * - * === Documentation by - * * Zach Dennis - * * Sam Roberts - * * <em>Programming Ruby</em> from The Pragmatic Bookshelf. - * - * Much material in this documentation is taken with permission from - * <em>Programming Ruby</em> from The Pragmatic Bookshelf. + * call-seq: + * Socket.tcp_fast_fallback -> true or false + * + * Returns whether Happy Eyeballs Version 2 ({RFC 8305}[https://datatracker.ietf.org/doc/html/rfc8305]), + * which is provided starting from Ruby 3.4 when using TCPSocket.new and Socket.tcp, + * is enabled or disabled. + * + * If true, it is enabled for TCPSocket.new and Socket.tcp. + * (Note: Happy Eyeballs Version 2 is not provided when using TCPSocket.new on Windows.) + * + * If false, Happy Eyeballs Version 2 is disabled. + * + * For details on Happy Eyeballs Version 2, + * see {Socket.tcp_fast_fallback=}[rdoc-ref:Socket.tcp_fast_fallback=]. + */ +VALUE socket_s_tcp_fast_fallback(VALUE self) { + return rb_ivar_get(rb_cSocket, tcp_fast_fallback); +} + +/* + * call-seq: + * Socket.tcp_fast_fallback= -> true or false + * + * Enable or disable Happy Eyeballs Version 2 ({RFC 8305}[https://datatracker.ietf.org/doc/html/rfc8305]) + * globally, which is provided starting from Ruby 3.4 when using TCPSocket.new and Socket.tcp. + * + * When set to true, the feature is enabled for both `TCPSocket.new` and `Socket.tcp`. + * (Note: This feature is not available when using TCPSocket.new on Windows.) + * + * When set to false, the behavior reverts to that of Ruby 3.3 or earlier. + * + * The default value is true if no value is explicitly set by calling this method. + * However, when the environment variable RUBY_TCP_NO_FAST_FALLBACK=1 is set, + * the default is false. + * + * To control the setting on a per-method basis, use the fast_fallback keyword argument for each method. + * + * === Happy Eyeballs Version 2 + * Happy Eyeballs Version 2 ({RFC 8305}[https://datatracker.ietf.org/doc/html/rfc8305]) + * is an algorithm designed to improve client socket connectivity.<br> + * It aims for more reliable and efficient connections by performing hostname resolution + * and connection attempts in parallel, instead of serially. + * + * Starting from Ruby 3.4, this method operates as follows with this algorithm: + * + * 1. Start resolving both IPv6 and IPv4 addresses concurrently. + * 2. Start connecting to the one of the addresses that are obtained first.<br>If IPv4 addresses are obtained first, + * the method waits 50 ms for IPv6 name resolution to prioritize IPv6 connections. + * 3. After starting a connection attempt, wait 250 ms for the connection to be established.<br> + * If no connection is established within this time, a new connection is started every 250 ms<br> + * until a connection is established or there are no more candidate addresses.<br> + * (Although RFC 8305 strictly specifies sorting addresses,<br> + * this method only alternates between IPv6 / IPv4 addresses due to the performance concerns) + * 4. Once a connection is established, all remaining connection attempts are canceled. */ +VALUE socket_s_tcp_fast_fallback_set(VALUE self, VALUE value) { + rb_ivar_set(rb_cSocket, tcp_fast_fallback, value); + return value; +} + void -Init_socket() +Init_socket(void) { - Init_basicsocket(); - + rb_ext_ractor_safe(true); + + rsock_init_basicsocket(); + + /* + * Document-class: Socket < BasicSocket + * + * Class +Socket+ provides access to the underlying operating system + * socket implementations. It can be used to provide more operating system + * specific functionality than the protocol-specific socket classes. + * + * The constants defined under Socket::Constants are also defined under + * Socket. For example, Socket::AF_INET is usable as well as + * Socket::Constants::AF_INET. See Socket::Constants for the list of + * constants. + * + * === What's a socket? + * + * Sockets are endpoints of a bidirectional communication channel. + * Sockets can communicate within a process, between processes on the same + * machine or between different machines. There are many types of socket: + * TCPSocket, UDPSocket or UNIXSocket for example. + * + * Sockets have their own vocabulary: + * + * *domain:* + * The family of protocols: + * * Socket::PF_INET + * * Socket::PF_INET6 + * * Socket::PF_UNIX + * * etc. + * + * *type:* + * The type of communications between the two endpoints, typically + * * Socket::SOCK_STREAM + * * Socket::SOCK_DGRAM. + * + * *protocol:* + * Typically _zero_. + * This may be used to identify a variant of a protocol. + * + * *hostname:* + * The identifier of a network interface: + * * a string (hostname, IPv4 or IPv6 address or +broadcast+ + * which specifies a broadcast address) + * * a zero-length string which specifies INADDR_ANY + * * an integer (interpreted as binary address in host byte order). + * + * === Quick start + * + * Many of the classes, such as TCPSocket, UDPSocket or UNIXSocket, + * ease the use of sockets comparatively to the equivalent C programming interface. + * + * Let's create an internet socket using the IPv4 protocol in a C-like manner: + * + * require 'socket' + * + * s = Socket.new Socket::AF_INET, Socket::SOCK_STREAM + * s.connect Socket.pack_sockaddr_in(80, 'example.com') + * + * You could also use the TCPSocket class: + * + * s = TCPSocket.new 'example.com', 80 + * + * A simple server might look like this: + * + * require 'socket' + * + * server = TCPServer.new 2000 # Server bound to port 2000 + * + * loop do + * client = server.accept # Wait for a client to connect + * client.puts "Hello !" + * client.puts "Time is #{Time.now}" + * client.close + * end + * + * A simple client may look like this: + * + * require 'socket' + * + * s = TCPSocket.new 'localhost', 2000 + * + * while line = s.gets # Read lines from socket + * puts line # and print them + * end + * + * s.close # close socket when done + * + * === Exception Handling + * + * Ruby's Socket implementation raises exceptions based on the error + * generated by the system dependent implementation. This is why the + * methods are documented in a way that isolate Unix-based system + * exceptions from Windows based exceptions. If more information on a + * particular exception is needed, please refer to the Unix manual pages or + * the Windows WinSock reference. + * + * === Convenience methods + * + * Although the general way to create socket is Socket.new, + * there are several methods of socket creation for most cases. + * + * TCP client socket:: + * Socket.tcp, TCPSocket.open + * TCP server socket:: + * Socket.tcp_server_loop, TCPServer.open + * UNIX client socket:: + * Socket.unix, UNIXSocket.open + * UNIX server socket:: + * Socket.unix_server_loop, UNIXServer.open + * + * === Documentation by + * + * * Zach Dennis + * * Sam Roberts + * * <em>Programming Ruby</em> from The Pragmatic Bookshelf. + * + * Much material in this documentation is taken with permission from + * <em>Programming Ruby</em> from The Pragmatic Bookshelf. + */ rb_cSocket = rb_define_class("Socket", rb_cBasicSocket); - Init_socket_init(); + rsock_init_socket_init(); + + const char *tcp_no_fast_fallback_config = getenv("RUBY_TCP_NO_FAST_FALLBACK"); + VALUE fast_fallback_default; + if (tcp_no_fast_fallback_config == NULL || strcmp(tcp_no_fast_fallback_config, "0") == 0) { + fast_fallback_default = Qtrue; + } else { + fast_fallback_default = Qfalse; + } + tcp_fast_fallback = rb_intern_const("tcp_fast_fallback"); + rb_ivar_set(rb_cSocket, tcp_fast_fallback, fast_fallback_default); rb_define_method(rb_cSocket, "initialize", sock_initialize, -1); rb_define_method(rb_cSocket, "connect", sock_connect, 1); - rb_define_method(rb_cSocket, "connect_nonblock", sock_connect_nonblock, 1); + + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cSocket, + "__connect_nonblock", sock_connect_nonblock, 2); + rb_define_method(rb_cSocket, "bind", sock_bind, 1); - rb_define_method(rb_cSocket, "listen", sock_listen, 1); + rb_define_method(rb_cSocket, "listen", rsock_sock_listen, 1); rb_define_method(rb_cSocket, "accept", sock_accept, 0); - rb_define_method(rb_cSocket, "accept_nonblock", sock_accept_nonblock, 0); + + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cSocket, + "__accept_nonblock", sock_accept_nonblock, 1); + rb_define_method(rb_cSocket, "sysaccept", sock_sysaccept, 0); rb_define_method(rb_cSocket, "recvfrom", sock_recvfrom, -1); - rb_define_method(rb_cSocket, "recvfrom_nonblock", sock_recvfrom_nonblock, -1); + + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cSocket, + "__recvfrom_nonblock", sock_recvfrom_nonblock, 4); rb_define_singleton_method(rb_cSocket, "socketpair", rsock_sock_s_socketpair, -1); rb_define_singleton_method(rb_cSocket, "pair", rsock_sock_s_socketpair, -1); @@ -1819,7 +2090,7 @@ Init_socket() rb_define_singleton_method(rb_cSocket, "sockaddr_in", sock_s_pack_sockaddr_in, 2); rb_define_singleton_method(rb_cSocket, "pack_sockaddr_in", sock_s_pack_sockaddr_in, 2); rb_define_singleton_method(rb_cSocket, "unpack_sockaddr_in", sock_s_unpack_sockaddr_in, 1); -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN rb_define_singleton_method(rb_cSocket, "sockaddr_un", sock_s_pack_sockaddr_un, 1); rb_define_singleton_method(rb_cSocket, "pack_sockaddr_un", sock_s_pack_sockaddr_un, 1); rb_define_singleton_method(rb_cSocket, "unpack_sockaddr_un", sock_s_unpack_sockaddr_un, 1); @@ -1827,9 +2098,9 @@ Init_socket() rb_define_singleton_method(rb_cSocket, "ip_address_list", socket_s_ip_address_list, 0); - /* defined here for rdoc */ - rb_define_method(rb_cTCPServer, "listen", sock_listen, 1); -#ifdef HAVE_SYS_UN_H - rb_define_method(rb_cUNIXServer, "listen", sock_listen, 1); -#endif + rb_define_singleton_method(rb_cSocket, "tcp_fast_fallback", socket_s_tcp_fast_fallback, 0); + rb_define_singleton_method(rb_cSocket, "tcp_fast_fallback=", socket_s_tcp_fast_fallback_set, 1); + +#undef rb_intern + sym_wait_writable = ID2SYM(rb_intern("wait_writable")); } diff --git a/ext/socket/sockport.h b/ext/socket/sockport.h index 5f2fd24530..2b58958ae7 100644 --- a/ext/socket/sockport.h +++ b/ext/socket/sockport.h @@ -10,42 +10,74 @@ #ifndef SOCKPORT_H #define SOCKPORT_H -#ifdef SA_LEN -# define SS_LEN(ss) (ss)->ss_len +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN +# define VALIDATE_SOCKLEN(addr, len) ((addr)->sa_len == (len)) #else -# ifdef HAVE_SA_LEN -# define SA_LEN(sa) (sa)->sa_len -# define SS_LEN(ss) (ss)->ss_len -# else -# ifdef AF_INET6 -# define SA_LEN(sa) \ - (((sa)->sa_family == AF_INET6) ? sizeof(struct sockaddr_in6) \ - : sizeof(struct sockaddr)) -# define SS_LEN(ss) \ - (((ss)->ss_family == AF_INET6) ? sizeof(struct sockaddr_in6) \ - : sizeof(struct sockaddr)) -# else - /* by tradition, sizeof(struct sockaddr) covers most of the sockaddrs */ -# define SA_LEN(sa) (sizeof(struct sockaddr)) -# define SS_LEN(ss) (sizeof(struct sockaddr)) -# endif -# endif +# define VALIDATE_SOCKLEN(addr, len) ((void)(addr), (void)(len), 1) #endif -#ifdef HAVE_SA_LEN +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN # define SET_SA_LEN(sa, len) (void)((sa)->sa_len = (len)) -# define SET_SS_LEN(ss, len) (void)((ss)->ss_len = (len)) #else # define SET_SA_LEN(sa, len) (void)(len) -# define SET_SS_LEN(ss, len) (void)(len) #endif -#ifdef HAVE_SIN_LEN -# define SIN_LEN(si) (si)->sin_len -# define SET_SIN_LEN(si,len) (si)->sin_len = (len) +/* for strict-aliasing rule */ +#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN +# define SET_SIN_LEN(sa, len) (void)((sa)->sin_len = (len)) +#else +# define SET_SIN_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len)) +#endif + +#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN +# define SET_SIN6_LEN(sa, len) (void)((sa)->sin6_len = (len)) #else -# define SIN_LEN(si) sizeof(struct sockaddr_in) -# define SET_SIN_LEN(si,len) +# define SET_SIN6_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len)) +#endif + +#define INIT_SOCKADDR(addr, family, len) \ + do { \ + struct sockaddr *init_sockaddr_ptr = (addr); \ + socklen_t init_sockaddr_len = (len); \ + memset(init_sockaddr_ptr, 0, init_sockaddr_len); \ + init_sockaddr_ptr->sa_family = (family); \ + SET_SA_LEN(init_sockaddr_ptr, init_sockaddr_len); \ + } while (0) + +#define INIT_SOCKADDR_IN(addr, len) \ + do { \ + struct sockaddr_in *init_sockaddr_ptr = (addr); \ + socklen_t init_sockaddr_len = (len); \ + memset(init_sockaddr_ptr, 0, init_sockaddr_len); \ + init_sockaddr_ptr->sin_family = AF_INET; \ + SET_SIN_LEN(init_sockaddr_ptr, init_sockaddr_len); \ + } while (0) + +#define INIT_SOCKADDR_IN6(addr, len) \ + do { \ + struct sockaddr_in6 *init_sockaddr_ptr = (addr); \ + socklen_t init_sockaddr_len = (len); \ + memset(init_sockaddr_ptr, 0, init_sockaddr_len); \ + init_sockaddr_ptr->sin6_family = AF_INET6; \ + SET_SIN6_LEN(init_sockaddr_ptr, init_sockaddr_len); \ + } while (0) + + +/* for strict-aliasing rule */ +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN +# ifdef HAVE_STRUCT_SOCKADDR_IN_SUN_LEN +# define SET_SUN_LEN(sa, len) (void)((sa)->sun_len = (len)) +# else +# define SET_SUN_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len)) +# endif +# define INIT_SOCKADDR_UN(addr, len) \ + do { \ + struct sockaddr_un *init_sockaddr_ptr = (addr); \ + socklen_t init_sockaddr_len = (len); \ + memset(init_sockaddr_ptr, 0, init_sockaddr_len); \ + init_sockaddr_ptr->sun_family = AF_UNIX; \ + SET_SUN_LEN(init_sockaddr_ptr, init_sockaddr_len); \ + } while (0) #endif #ifndef IN_MULTICAST diff --git a/ext/socket/sockssocket.c b/ext/socket/sockssocket.c index 71836f704d..30860ea257 100644 --- a/ext/socket/sockssocket.c +++ b/ext/socket/sockssocket.c @@ -11,42 +11,61 @@ #include "rubysocket.h" #ifdef SOCKS +/* + * call-seq: + * SOCKSSocket.new(host, port) => socket + * + * Opens a SOCKS connection to +host+ via the SOCKS server. + * + * The SOCKS server configuration varies by implementation + * + * When using the Dante libsocks/libsocksd implementation it is configured as SOCKS_SERVER env var. + * + * See: https://manpages.debian.org/testing/dante-client/socksify.1.en.html for full env variable support. + * + */ static VALUE -socks_init(VALUE sock, VALUE host, VALUE serv) +socks_init(VALUE sock, VALUE host, VALUE port) { static int init = 0; if (init == 0) { - SOCKSinit("ruby"); - init = 1; + char progname[] = "ruby"; + SOCKSinit(progname); + init = 1; } - return rsock_init_inetsock(sock, host, serv, Qnil, Qnil, INET_SOCKS); + return rsock_init_inetsock(sock, host, port, Qnil, Qnil, INET_SOCKS, Qnil, Qnil, Qnil, Qfalse, Qnil); } #ifdef SOCKS5 +/* + * Closes the SOCKS connection. + * + */ static VALUE socks_s_close(VALUE sock) { rb_io_t *fptr; - if (rb_safe_level() >= 4 && !OBJ_TAINTED(sock)) { - rb_raise(rb_eSecurityError, "Insecure: can't close socket"); - } GetOpenFile(sock, fptr); - shutdown(fptr->fd, 2); + shutdown(fptr->fd, SHUT_RDWR); return rb_io_close(sock); } #endif #endif -/* - * SOCKSSocket class - */ void -Init_sockssocket(void) +rsock_init_sockssocket(void) { #ifdef SOCKS + /* + * Document-class: SOCKSSocket < TCPSocket + * + * SOCKS is an Internet protocol that routes packets between a client and + * a server through a proxy server. SOCKS5, if supported, additionally + * provides authentication so only authorized users may access a server. + */ rb_cSOCKSSocket = rb_define_class("SOCKSSocket", rb_cTCPSocket); rb_define_method(rb_cSOCKSSocket, "initialize", socks_init, 2); #ifdef SOCKS5 diff --git a/ext/socket/tcpserver.c b/ext/socket/tcpserver.c index 59cd7dd3cc..0069f3c703 100644 --- a/ext/socket/tcpserver.c +++ b/ext/socket/tcpserver.c @@ -12,7 +12,7 @@ /* * call-seq: - * TCPServer.new([hostname,] port) => tcpserver + * TCPServer.new([hostname,] port) => tcpserver * * Creates a new server socket bound to _port_. * @@ -22,6 +22,13 @@ * s = serv.accept * s.puts Time.now * s.close + * + * Internally, TCPServer.new calls getaddrinfo() function to + * obtain addresses. + * If getaddrinfo() returns multiple addresses, + * TCPServer.new tries to create a server socket for each address + * and returns first one that is successful. + * */ static VALUE tcp_svr_init(int argc, VALUE *argv, VALUE sock) @@ -29,77 +36,41 @@ tcp_svr_init(int argc, VALUE *argv, VALUE sock) VALUE hostname, port; rb_scan_args(argc, argv, "011", &hostname, &port); - return rsock_init_inetsock(sock, hostname, port, Qnil, Qnil, INET_SERVER); + return rsock_init_inetsock(sock, hostname, port, Qnil, Qnil, INET_SERVER, Qnil, Qnil, Qnil, Qfalse, Qnil); } /* * call-seq: * tcpserver.accept => tcpsocket * + * Accepts an incoming connection. It returns a new TCPSocket object. + * * TCPServer.open("127.0.0.1", 14641) {|serv| * s = serv.accept * s.puts Time.now * s.close * } - * + * */ static VALUE -tcp_accept(VALUE sock) +tcp_accept(VALUE server) { - rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; - - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return rsock_s_accept(rb_cTCPSocket, fptr->fd, - (struct sockaddr*)&from, &fromlen); + union_sockaddr buffer; + socklen_t length = sizeof(buffer); + + return rsock_s_accept(rb_cTCPSocket, server, &buffer.addr, &length); } -/* - * call-seq: - * tcpserver.accept_nonblock => tcpsocket - * - * Accepts an incoming connection using accept(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * It returns an accepted TCPSocket for the incoming connection. - * - * === Example - * require 'socket' - * serv = TCPServer.new(2202) - * begin # emulate blocking accept - * sock = serv.accept_nonblock - * rescue IO::WaitReadable, Errno::EINTR - * IO.select([serv]) - * retry - * end - * # sock is an accepted socket. - * - * Refer to Socket#accept for the exceptions that may be thrown if the call - * to TCPServer#accept_nonblock fails. - * - * TCPServer#accept_nonblock may raise any error corresponding to accept(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK, Errno::AGAIN, Errno::ECONNABORTED, Errno::EPROTO, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. - * - * === See - * * TCPServer#accept - * * Socket#accept - */ +/* :nodoc: */ static VALUE -tcp_accept_nonblock(VALUE sock) +tcp_accept_nonblock(VALUE sock, VALUE ex) { rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; + union_sockaddr from; + socklen_t len = (socklen_t)sizeof(from); GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return rsock_s_accept_nonblock(rb_cTCPSocket, fptr, - (struct sockaddr *)&from, &fromlen); + return rsock_s_accept_nonblock(rb_cTCPSocket, ex, fptr, &from.addr, &len); } /* @@ -110,33 +81,60 @@ tcp_accept_nonblock(VALUE sock) * * TCPServer.open("127.0.0.1", 28561) {|serv| * fd = serv.sysaccept - * s = IO.for_fd(fd) + * s = IO.for_fd(fd) * s.puts Time.now * s.close * } * */ static VALUE -tcp_sysaccept(VALUE sock) +tcp_sysaccept(VALUE server) { - rb_io_t *fptr; - struct sockaddr_storage from; - socklen_t fromlen; + union_sockaddr buffer; + socklen_t length = sizeof(buffer); - GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return rsock_s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); + return rsock_s_accept(0, server, &buffer.addr, &length); } -/* - * TCPServer class - */ void -Init_tcpserver(void) +rsock_init_tcpserver(void) { + /* + * Document-class: TCPServer < TCPSocket + * + * TCPServer represents a TCP/IP server socket. + * + * A simple TCP server may look like: + * + * require 'socket' + * + * server = TCPServer.new 2000 # Server bind to port 2000 + * loop do + * client = server.accept # Wait for a client to connect + * client.puts "Hello !" + * client.puts "Time is #{Time.now}" + * client.close + * end + * + * A more usable server (serving multiple clients): + * + * require 'socket' + * + * server = TCPServer.new 2000 + * loop do + * Thread.start(server.accept) do |client| + * client.puts "Hello !" + * client.puts "Time is #{Time.now}" + * client.close + * end + * end + * + */ rb_cTCPServer = rb_define_class("TCPServer", rb_cTCPSocket); rb_define_method(rb_cTCPServer, "accept", tcp_accept, 0); - rb_define_method(rb_cTCPServer, "accept_nonblock", tcp_accept_nonblock, 0); + rb_define_private_method(rb_cTCPServer, + "__accept_nonblock", tcp_accept_nonblock, 1); rb_define_method(rb_cTCPServer, "sysaccept", tcp_sysaccept, 0); rb_define_method(rb_cTCPServer, "initialize", tcp_svr_init, -1); + rb_define_method(rb_cTCPServer, "listen", rsock_sock_listen, 1); /* in socket.c */ } diff --git a/ext/socket/tcpsocket.c b/ext/socket/tcpsocket.c index 1ab62459d1..7ce536e0af 100644 --- a/ext/socket/tcpsocket.c +++ b/ext/socket/tcpsocket.c @@ -12,36 +12,97 @@ /* * call-seq: - * TCPSocket.new(remote_host, remote_port, local_host=nil, local_port=nil) + * TCPSocket.new(remote_host, remote_port, local_host=nil, local_port=nil, resolv_timeout: nil, connect_timeout: nil, open_timeout: nil, fast_fallback: true) * * Opens a TCP connection to +remote_host+ on +remote_port+. If +local_host+ * and +local_port+ are specified, then those parameters are used on the local * end to establish the connection. + * + * Starting from Ruby 3.4, this method operates according to the + * Happy Eyeballs Version 2 ({RFC 8305}[https://datatracker.ietf.org/doc/html/rfc8305]) + * algorithm by default, except on Windows. + * + * For details on Happy Eyeballs Version 2, + * see {Socket.tcp_fast_fallback=}[rdoc-ref:Socket.tcp_fast_fallback=]. + * + * To make it behave the same as in Ruby 3.3 and earlier, + * explicitly specify the option fast_fallback:false. + * Or, setting Socket.tcp_fast_fallback=false will disable + * Happy Eyeballs Version 2 not only for this method but for all Socket globally. + * + * When using TCPSocket.new on Windows, Happy Eyeballs Version 2 is not provided, + * and it behaves the same as in Ruby 3.3 and earlier. + * + * [:resolv_timeout] Specifies the timeout in seconds from when the hostname resolution starts. + * [:connect_timeout] This method sequentially attempts connecting to all candidate destination addresses.<br>The +connect_timeout+ specifies the timeout in seconds from the start of the connection attempt to the last candidate.<br>By default, all connection attempts continue until the timeout occurs.<br>When +fast_fallback:false+ is explicitly specified,<br>a timeout is set for each connection attempt and any connection attempt that exceeds its timeout will be canceled. + * [:open_timeout] Specifies the timeout in seconds from the start of the method execution.<br>If this timeout is reached while there are still addresses that have not yet been attempted for connection, no further attempts will be made.<br>If this option is specified together with other timeout options, an +ArgumentError+ will be raised. + * [:fast_fallback] Enables the Happy Eyeballs Version 2 algorithm (enabled by default). */ static VALUE tcp_init(int argc, VALUE *argv, VALUE sock) { VALUE remote_host, remote_serv; VALUE local_host, local_serv; + VALUE opt; + static ID keyword_ids[5]; + VALUE kwargs[5]; + VALUE resolv_timeout = Qnil; + VALUE connect_timeout = Qnil; + VALUE open_timeout = Qnil; + VALUE fast_fallback = Qnil; + VALUE test_mode_settings = Qnil; + + if (!keyword_ids[0]) { + CONST_ID(keyword_ids[0], "resolv_timeout"); + CONST_ID(keyword_ids[1], "connect_timeout"); + CONST_ID(keyword_ids[2], "open_timeout"); + CONST_ID(keyword_ids[3], "fast_fallback"); + CONST_ID(keyword_ids[4], "test_mode_settings"); + } - rb_scan_args(argc, argv, "22", &remote_host, &remote_serv, - &local_host, &local_serv); + rb_scan_args(argc, argv, "22:", &remote_host, &remote_serv, + &local_host, &local_serv, &opt); + + if (!NIL_P(opt)) { + rb_get_kwargs(opt, keyword_ids, 0, 5, kwargs); + if (kwargs[0] != Qundef) { resolv_timeout = kwargs[0]; } + if (kwargs[1] != Qundef) { connect_timeout = kwargs[1]; } + if (kwargs[2] != Qundef) { open_timeout = kwargs[2]; } + if (kwargs[3] != Qundef) { fast_fallback = kwargs[3]; } + if (kwargs[4] != Qundef) { test_mode_settings = kwargs[4]; } + } + + if (fast_fallback == Qnil) { + fast_fallback = rb_ivar_get(rb_cSocket, tcp_fast_fallback); + if (fast_fallback == Qnil) fast_fallback = Qtrue; + } return rsock_init_inetsock(sock, remote_host, remote_serv, - local_host, local_serv, INET_CLIENT); + local_host, local_serv, INET_CLIENT, + resolv_timeout, connect_timeout, open_timeout, + fast_fallback, test_mode_settings); } static VALUE -tcp_sockaddr(struct sockaddr *addr, size_t len) +tcp_sockaddr(struct sockaddr *addr, socklen_t len) { - return rsock_make_ipaddr(addr); + return rsock_make_ipaddr(addr, len); } /* * call-seq: * TCPSocket.gethostbyname(hostname) => [official_hostname, alias_hostnames, address_family, *address_list] * - * Lookups host information by _hostname_. + * Use Addrinfo.getaddrinfo instead. + * This method is deprecated for the following reasons: + * + * - The 3rd element of the result is the address family of the first address. + * The address families of the rest of the addresses are not returned. + * - gethostbyname() may take a long time and it may block other threads. + * (GVL cannot be released since gethostbyname() is not thread safe.) + * - This method uses gethostbyname() function already removed from POSIX. + * + * This method lookups host information by _hostname_. * * TCPSocket.gethostbyname("localhost") * #=> ["localhost", ["hal"], 2, "127.0.0.1"] @@ -50,17 +111,33 @@ tcp_sockaddr(struct sockaddr *addr, size_t len) static VALUE tcp_s_gethostbyname(VALUE obj, VALUE host) { - rb_secure(3); - return rsock_make_hostent(host, rsock_addrinfo(host, Qnil, SOCK_STREAM, AI_CANONNAME), - tcp_sockaddr); + rb_warn("TCPSocket.gethostbyname is deprecated; use Addrinfo.getaddrinfo instead."); + struct rb_addrinfo *res = + rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, AI_CANONNAME, Qnil); + return rsock_make_hostent(host, res, tcp_sockaddr); } -/* - * TCPSocket class - */ void -Init_tcpsocket(void) +rsock_init_tcpsocket(void) { + /* + * Document-class: TCPSocket < IPSocket + * + * TCPSocket represents a TCP/IP client socket. + * + * A simple client may look like: + * + * require 'socket' + * + * s = TCPSocket.new 'localhost', 2000 + * + * while line = s.gets # Read lines from socket + * puts line # and print them + * end + * + * s.close # close socket when done + * + */ rb_cTCPSocket = rb_define_class("TCPSocket", rb_cIPSocket); rb_define_singleton_method(rb_cTCPSocket, "gethostbyname", tcp_s_gethostbyname, 1); rb_define_method(rb_cTCPSocket, "initialize", tcp_init, -1); diff --git a/ext/socket/udpsocket.c b/ext/socket/udpsocket.c index 8abed48376..b2bc925538 100644 --- a/ext/socket/udpsocket.c +++ b/ext/socket/udpsocket.c @@ -19,6 +19,8 @@ * _address_family_ should be an integer, a string or a symbol: * Socket::AF_INET, "AF_INET", :INET, etc. * + * require 'socket' + * * UDPSocket.new #=> #<UDPSocket:fd 3> * UDPSocket.new(Socket::AF_INET6) #=> #<UDPSocket:fd 4> * @@ -30,13 +32,12 @@ udp_init(int argc, VALUE *argv, VALUE sock) int family = AF_INET; int fd; - rb_secure(3); if (rb_scan_args(argc, argv, "01", &arg) == 1) { - family = rsock_family_arg(arg); + family = rsock_family_arg(arg); } fd = rsock_socket(family, SOCK_DGRAM, 0); if (fd < 0) { - rb_sys_fail("socket(2) - udp"); + rb_sys_fail("socket(2) - udp"); } return rsock_init_sock(sock, fd); @@ -44,20 +45,20 @@ udp_init(int argc, VALUE *argv, VALUE sock) struct udp_arg { - struct addrinfo *res; - int fd; + VALUE io; + struct rb_addrinfo *res; }; static VALUE -udp_connect_internal(struct udp_arg *arg) +udp_connect_internal(VALUE v) { - int fd = arg->fd; + struct udp_arg *arg = (void *)v; struct addrinfo *res; - for (res = arg->res; res; res = res->ai_next) { - if (rsock_connect(fd, res->ai_addr, res->ai_addrlen, 0) >= 0) { - return Qtrue; - } + for (res = arg->res->ai; res; res = res->ai_next) { + if (rsock_connect(arg->io, res->ai_addr, res->ai_addrlen, 0, RUBY_IO_TIMEOUT_DEFAULT) >= 0) { + return Qtrue; + } } return Qfalse; } @@ -79,22 +80,38 @@ udp_connect_internal(struct udp_arg *arg) * */ static VALUE -udp_connect(VALUE sock, VALUE host, VALUE port) +udp_connect(VALUE self, VALUE host, VALUE port) { - rb_io_t *fptr; - struct udp_arg arg; - VALUE ret; + struct udp_arg arg = {.io = self}; + + arg.res = rsock_addrinfo(host, port, rsock_fd_family(rb_io_descriptor(self)), SOCK_DGRAM, 0, Qnil); + + int result = (int)rb_ensure(udp_connect_internal, (VALUE)&arg, rsock_freeaddrinfo, (VALUE)arg.res); + if (!result) { + rsock_sys_fail_host_port("connect(2)", host, port); + } - rb_secure(3); - arg.res = rsock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; - ret = rb_ensure(udp_connect_internal, (VALUE)&arg, - RUBY_METHOD_FUNC(freeaddrinfo), (VALUE)arg.res); - if (!ret) rb_sys_fail("connect(2)"); return INT2FIX(0); } +static VALUE +udp_bind_internal(VALUE v) +{ + struct udp_arg *arg = (void *)v; + struct addrinfo *res; + + rb_io_t *fptr; + RB_IO_POINTER(arg->io, fptr); + + for (res = arg->res->ai; res; res = res->ai_next) { + if (bind(fptr->fd, res->ai_addr, res->ai_addrlen) < 0) { + continue; + } + return Qtrue; + } + return Qfalse; +} + /* * call-seq: * udpsocket.bind(host, port) #=> 0 @@ -108,26 +125,55 @@ udp_connect(VALUE sock, VALUE host, VALUE port) * */ static VALUE -udp_bind(VALUE sock, VALUE host, VALUE port) +udp_bind(VALUE self, VALUE host, VALUE port) { - rb_io_t *fptr; - struct addrinfo *res0, *res; - - rb_secure(3); - res0 = rsock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - for (res = res0; res; res = res->ai_next) { - if (bind(fptr->fd, res->ai_addr, res->ai_addrlen) < 0) { - continue; - } - freeaddrinfo(res0); - return INT2FIX(0); + struct udp_arg arg = {.io = self}; + + arg.res = rsock_addrinfo(host, port, rsock_fd_family(rb_io_descriptor(self)), SOCK_DGRAM, 0, Qnil); + + VALUE result = rb_ensure(udp_bind_internal, (VALUE)&arg, rsock_freeaddrinfo, (VALUE)arg.res); + if (!result) { + rsock_sys_fail_host_port("bind(2)", host, port); } - freeaddrinfo(res0); - rb_sys_fail("bind(2)"); + return INT2FIX(0); } +struct udp_send_arg { + rb_io_t *fptr; + struct rb_addrinfo *res; + struct rsock_send_arg sarg; +}; + +static VALUE +udp_send_internal(VALUE v) +{ + struct udp_send_arg *arg = (void *)v; + rb_io_t *fptr; + struct addrinfo *res; + + rb_io_check_closed(fptr = arg->fptr); + for (res = arg->res->ai; res; res = res->ai_next) { + retry: + arg->sarg.fd = fptr->fd; + arg->sarg.to = res->ai_addr; + arg->sarg.tolen = res->ai_addrlen; + +#ifdef RSOCK_WAIT_BEFORE_BLOCKING + rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_WRITABLE), Qnil); +#endif + + ssize_t n = (ssize_t)rb_io_blocking_region(fptr, rsock_sendto_blocking, &arg->sarg); + + if (n >= 0) return RB_SSIZE2NUM(n); + + if (rb_io_maybe_wait_writable(errno, fptr->self, RUBY_IO_TIMEOUT_DEFAULT)) { + goto retry; + } + } + return Qfalse; +} + /* * call-seq: * udpsocket.send(mesg, flags, host, port) => numbytes_sent @@ -135,7 +181,7 @@ udp_bind(VALUE sock, VALUE host, VALUE port) * udpsocket.send(mesg, flags) => numbytes_sent * * Sends _mesg_ via _udpsocket_. - * + * * _flags_ should be a bitwise OR of Socket::MSG_* constants. * * u1 = UDPSocket.new @@ -154,107 +200,48 @@ static VALUE udp_send(int argc, VALUE *argv, VALUE sock) { VALUE flags, host, port; - rb_io_t *fptr; - int n; - struct addrinfo *res0, *res; - struct rsock_send_arg arg; + struct udp_send_arg arg; + VALUE ret; if (argc == 2 || argc == 3) { - return rsock_bsock_send(argc, argv, sock); + return rsock_bsock_send(argc, argv, sock); } - rb_secure(4); - rb_scan_args(argc, argv, "4", &arg.mesg, &flags, &host, &port); - - StringValue(arg.mesg); - res0 = rsock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; - arg.flags = NUM2INT(flags); - for (res = res0; res; res = res->ai_next) { - retry: - arg.to = res->ai_addr; - arg.tolen = res->ai_addrlen; - rb_thread_fd_writable(arg.fd); - n = (int)BLOCKING_REGION(rsock_sendto_blocking, &arg); - if (n >= 0) { - freeaddrinfo(res0); - return INT2FIX(n); - } - if (rb_io_wait_writable(fptr->fd)) { - goto retry; - } - } - freeaddrinfo(res0); - rb_sys_fail("sendto(2)"); - return INT2FIX(n); + rb_scan_args(argc, argv, "4", &arg.sarg.mesg, &flags, &host, &port); + + StringValue(arg.sarg.mesg); + GetOpenFile(sock, arg.fptr); + arg.sarg.fd = arg.fptr->fd; + arg.sarg.flags = NUM2INT(flags); + arg.res = rsock_addrinfo(host, port, rsock_fd_family(arg.fptr->fd), SOCK_DGRAM, 0, Qnil); + ret = rb_ensure(udp_send_internal, (VALUE)&arg, + rsock_freeaddrinfo, (VALUE)arg.res); + if (!ret) rsock_sys_fail_host_port("sendto(2)", host, port); + return ret; } -/* - * call-seq: - * udpsocket.recvfrom_nonblock(maxlen) => [mesg, sender_inet_addr] - * udpsocket.recvfrom_nonblock(maxlen, flags) => [mesg, sender_inet_addr] - * - * Receives up to _maxlen_ bytes from +udpsocket+ using recvfrom(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * If _maxlen_ is omitted, its default value is 65536. - * _flags_ is zero or more of the +MSG_+ options. - * The first element of the results, _mesg_, is the data received. - * The second element, _sender_inet_addr_, is an array to represent the sender address. - * - * When recvfrom(2) returns 0, - * Socket#recvfrom_nonblock returns an empty string as data. - * It means an empty packet. - * - * === Parameters - * * +maxlen+ - the number of bytes to receive from the socket - * * +flags+ - zero or more of the +MSG_+ options - * - * === Example - * require 'socket' - * s1 = UDPSocket.new - * s1.bind("127.0.0.1", 0) - * s2 = UDPSocket.new - * s2.bind("127.0.0.1", 0) - * s2.connect(*s1.addr.values_at(3,1)) - * s1.connect(*s2.addr.values_at(3,1)) - * s1.send "aaa", 0 - * begin # emulate blocking recvfrom - * p s2.recvfrom_nonblock(10) #=> ["aaa", ["AF_INET", 33302, "localhost.localdomain", "127.0.0.1"]] - * rescue IO::WaitReadable - * IO.select([s2]) - * retry - * end - * - * Refer to Socket#recvfrom for the exceptions that may be thrown if the call - * to _recvfrom_nonblock_ fails. - * - * UDPSocket#recvfrom_nonblock may raise any error corresponding to recvfrom(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK or Errno::AGAIN, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying recvfrom_nonblock. - * - * === See - * * Socket#recvfrom - */ +/* :nodoc: */ static VALUE -udp_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) +udp_recvfrom_nonblock(VALUE sock, VALUE len, VALUE flg, VALUE str, VALUE ex) { - return rsock_s_recvfrom_nonblock(sock, argc, argv, RECV_IP); + return rsock_s_recvfrom_nonblock(sock, len, flg, str, ex, RECV_IP); } -/* - * UDPSocket class - */ void -Init_udpsocket(void) +rsock_init_udpsocket(void) { + /* + * Document-class: UDPSocket < IPSocket + * + * UDPSocket represents a UDP/IP socket. + * + */ rb_cUDPSocket = rb_define_class("UDPSocket", rb_cIPSocket); rb_define_method(rb_cUDPSocket, "initialize", udp_init, -1); rb_define_method(rb_cUDPSocket, "connect", udp_connect, 2); rb_define_method(rb_cUDPSocket, "bind", udp_bind, 2); rb_define_method(rb_cUDPSocket, "send", udp_send, -1); - rb_define_method(rb_cUDPSocket, "recvfrom_nonblock", udp_recvfrom_nonblock, -1); -} + /* for ext/socket/lib/socket.rb use only: */ + rb_define_private_method(rb_cUDPSocket, + "__recvfrom_nonblock", udp_recvfrom_nonblock, 4); +} diff --git a/ext/socket/unixserver.c b/ext/socket/unixserver.c index fa41cba02a..0ea5ac083c 100644 --- a/ext/socket/unixserver.c +++ b/ext/socket/unixserver.c @@ -10,13 +10,15 @@ #include "rubysocket.h" -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN /* * call-seq: * UNIXServer.new(path) => unixserver * * Creates a new UNIX server socket bound to _path_. * + * require 'socket' + * * serv = UNIXServer.new("/tmp/sock") * s = serv.accept * p s.read @@ -31,8 +33,8 @@ unix_svr_init(VALUE sock, VALUE path) * call-seq: * unixserver.accept => unixsocket * - * Accepts a new connection. - * It returns new UNIXSocket object. + * Accepts an incoming connection. + * It returns a new UNIXSocket object. * * UNIXServer.open("/tmp/sock") {|serv| * UNIXSocket.open("/tmp/sock") {|c| @@ -45,62 +47,26 @@ unix_svr_init(VALUE sock, VALUE path) * */ static VALUE -unix_accept(VALUE sock) +unix_accept(VALUE server) { - rb_io_t *fptr; - struct sockaddr_un from; - socklen_t fromlen; + struct sockaddr_un buffer; + socklen_t length = sizeof(buffer); - GetOpenFile(sock, fptr); - fromlen = sizeof(struct sockaddr_un); - return rsock_s_accept(rb_cUNIXSocket, fptr->fd, - (struct sockaddr*)&from, &fromlen); + return rsock_s_accept(rb_cUNIXSocket, server, (struct sockaddr*)&buffer, &length); } -/* - * call-seq: - * unixserver.accept_nonblock => unixsocket - * - * Accepts an incoming connection using accept(2) after - * O_NONBLOCK is set for the underlying file descriptor. - * It returns an accepted UNIXSocket for the incoming connection. - * - * === Example - * require 'socket' - * serv = UNIXServer.new("/tmp/sock") - * begin # emulate blocking accept - * sock = serv.accept_nonblock - * rescue IO::WaitReadable, Errno::EINTR - * IO.select([serv]) - * retry - * end - * # sock is an accepted socket. - * - * Refer to Socket#accept for the exceptions that may be thrown if the call - * to UNIXServer#accept_nonblock fails. - * - * UNIXServer#accept_nonblock may raise any error corresponding to accept(2) failure, - * including Errno::EWOULDBLOCK. - * - * If the exception is Errno::EWOULDBLOCK, Errno::AGAIN, Errno::ECONNABORTED or Errno::EPROTO, - * it is extended by IO::WaitReadable. - * So IO::WaitReadable can be used to rescue the exceptions for retrying accept_nonblock. - * - * === See - * * UNIXServer#accept - * * Socket#accept - */ +/* :nodoc: */ static VALUE -unix_accept_nonblock(VALUE sock) +unix_accept_nonblock(VALUE sock, VALUE ex) { rb_io_t *fptr; struct sockaddr_un from; socklen_t fromlen; GetOpenFile(sock, fptr); - fromlen = sizeof(from); - return rsock_s_accept_nonblock(rb_cUNIXSocket, fptr, - (struct sockaddr *)&from, &fromlen); + fromlen = (socklen_t)sizeof(from); + return rsock_s_accept_nonblock(rb_cUNIXSocket, ex, fptr, + (struct sockaddr *)&from, &fromlen); } /* @@ -115,37 +81,41 @@ unix_accept_nonblock(VALUE sock) * fd = serv.sysaccept * s = IO.new(fd) * s.puts "hi" - * s.close + * s.close * p c.read #=> "hi\n" * } * } * */ static VALUE -unix_sysaccept(VALUE sock) +unix_sysaccept(VALUE server) { - rb_io_t *fptr; - struct sockaddr_un from; - socklen_t fromlen; + struct sockaddr_un buffer; + socklen_t length = sizeof(buffer); - GetOpenFile(sock, fptr); - fromlen = sizeof(struct sockaddr_un); - return rsock_s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); + return rsock_s_accept(0, server, (struct sockaddr*)&buffer, &length); } #endif -/* - * UNIXServer class - */ void -Init_unixserver(void) +rsock_init_unixserver(void) { -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN + /* + * Document-class: UNIXServer < UNIXSocket + * + * UNIXServer represents a UNIX domain stream server socket. + * + */ rb_cUNIXServer = rb_define_class("UNIXServer", rb_cUNIXSocket); rb_define_method(rb_cUNIXServer, "initialize", unix_svr_init, 1); rb_define_method(rb_cUNIXServer, "accept", unix_accept, 0); - rb_define_method(rb_cUNIXServer, "accept_nonblock", unix_accept_nonblock, 0); + + rb_define_private_method(rb_cUNIXServer, + "__accept_nonblock", unix_accept_nonblock, 1); + rb_define_method(rb_cUNIXServer, "sysaccept", unix_sysaccept, 0); + rb_define_method(rb_cUNIXServer, "listen", rsock_sock_listen, 1); /* in socket.c */ #endif } diff --git a/ext/socket/unixsocket.c b/ext/socket/unixsocket.c index df1a11d094..2ec9376074 100644 --- a/ext/socket/unixsocket.c +++ b/ext/socket/unixsocket.c @@ -10,70 +10,109 @@ #include "rubysocket.h" -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN struct unixsock_arg { struct sockaddr_un *sockaddr; - int fd; + socklen_t sockaddrlen; + VALUE io; }; static VALUE -unixsock_connect_internal(struct unixsock_arg *arg) +unixsock_connect_internal(VALUE a) { - return (VALUE)rsock_connect(arg->fd, (struct sockaddr*)arg->sockaddr, - sizeof(*arg->sockaddr), 0); + struct unixsock_arg *arg = (struct unixsock_arg *)a; + return (VALUE)rsock_connect(arg->io, (struct sockaddr*)arg->sockaddr, arg->sockaddrlen, 0, RUBY_IO_TIMEOUT_DEFAULT); +} + +static VALUE +unixsock_path_value(VALUE path) +{ +#ifdef __linux__ +#define TO_STR_FOR_LINUX_ABSTRACT_NAMESPACE 0 + + VALUE name = path; +#if TO_STR_FOR_LINUX_ABSTRACT_NAMESPACE + const int isstr = !NIL_P(name = rb_check_string_type(name)); +#else + const int isstr = RB_TYPE_P(name, T_STRING); +#endif + if (isstr) { + if (RSTRING_LEN(name) == 0 || RSTRING_PTR(name)[0] == '\0') { + return name; /* ignore encoding */ + } + } +#endif + path = rb_get_path(path); +#ifdef _WIN32 + /* UNIXSocket requires UTF-8 per spec. */ + path = rb_str_export_to_enc(path, rb_utf8_encoding()); +#endif + return path; } VALUE -rsock_init_unixsock(VALUE sock, VALUE path, int server) +rsock_init_unixsock(VALUE self, VALUE path, int server) { struct sockaddr_un sockaddr; + socklen_t sockaddrlen; int fd, status; rb_io_t *fptr; - SafeStringValue(path); + path = unixsock_path_value(path); + + INIT_SOCKADDR_UN(&sockaddr, sizeof(struct sockaddr_un)); + if (sizeof(sockaddr.sun_path) < (size_t)RSTRING_LEN(path)) { + rb_raise(rb_eArgError, "too long unix socket path (%ldbytes given but %dbytes max)", + RSTRING_LEN(path), (int)sizeof(sockaddr.sun_path)); + } + memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); + sockaddrlen = rsock_unix_sockaddr_len(path); + fd = rsock_socket(AF_UNIX, SOCK_STREAM, 0); if (fd < 0) { - rb_sys_fail("socket(2)"); + rsock_sys_fail_path("socket(2)", path); } - MEMZERO(&sockaddr, struct sockaddr_un, 1); - sockaddr.sun_family = AF_UNIX; - if (sizeof(sockaddr.sun_path) <= (size_t)RSTRING_LEN(path)) { - rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)", - (int)sizeof(sockaddr.sun_path)-1); - } - memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); + VALUE io = rsock_init_sock(self, fd); + RB_IO_POINTER(io, fptr); if (server) { - status = bind(fd, (struct sockaddr*)&sockaddr, sizeof(sockaddr)); + status = bind(fd, (struct sockaddr*)&sockaddr, sockaddrlen); } else { - int prot; - struct unixsock_arg arg; - arg.sockaddr = &sockaddr; - arg.fd = fd; - status = rb_protect((VALUE(*)(VALUE))unixsock_connect_internal, - (VALUE)&arg, &prot); - if (prot) { - close(fd); - rb_jump_tag(prot); - } + int error_tag; + struct unixsock_arg arg; + arg.sockaddr = &sockaddr; + arg.sockaddrlen = sockaddrlen; + arg.io = io; + + status = (int)rb_protect(unixsock_connect_internal, (VALUE)&arg, &error_tag); + + if (error_tag) { + rb_io_close(io); + rb_jump_tag(error_tag); + } } if (status < 0) { - close(fd); - rb_sys_fail(sockaddr.sun_path); + int e = errno; + rb_io_close(io); + rsock_syserr_fail_path(e, "connect(2)", path); } - if (server) listen(fd, 5); + if (server) { + if (listen(fd, SOMAXCONN) < 0) { + int e = errno; + rb_io_close(io); + rsock_syserr_fail_path(e, "listen(2)", path); + } + } - rsock_init_sock(sock, fd); if (server) { - GetOpenFile(sock, fptr); fptr->pathv = rb_str_new_frozen(path); } - return sock; + return io; } /* @@ -82,14 +121,16 @@ rsock_init_unixsock(VALUE sock, VALUE path, int server) * * Creates a new UNIX client socket connected to _path_. * + * require 'socket' + * * s = UNIXSocket.new("/tmp/sock") * s.send "hello", 0 - * + * */ static VALUE -unix_init(VALUE sock, VALUE path) +unix_init(VALUE self, VALUE path) { - return rsock_init_unixsock(sock, path, 0); + return rsock_init_unixsock(self, path, 0); } /* @@ -109,18 +150,20 @@ unix_path(VALUE sock) GetOpenFile(sock, fptr); if (NIL_P(fptr->pathv)) { - struct sockaddr_un addr; - socklen_t len = sizeof(addr); - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail(0); - fptr->pathv = rb_obj_freeze(rb_str_new_cstr(rsock_unixpath(&addr, len))); + struct sockaddr_un addr; + socklen_t len = (socklen_t)sizeof(addr); + socklen_t len0 = len; + if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + rsock_sys_fail_path("getsockname(2)", fptr->pathv); + if (len0 < len) len = len0; + fptr->pathv = rb_obj_freeze(rsock_unixpath_str(&addr, len)); } return rb_str_dup(fptr->pathv); } /* * call-seq: - * unixsocket.recvfrom(maxlen [, flags]) => [mesg, unixaddress] + * unixsocket.recvfrom(maxlen [, flags[, outbuf]]) => [mesg, unixaddress] * * Receives a message via _unixsocket_. * @@ -128,6 +171,9 @@ unix_path(VALUE sock) * * _flags_ should be a bitwise OR of Socket::MSG_* constants. * + * _outbuf_ will contain only the received data after the method call + * even if it is not empty at the beginning. + * * s1 = Socket.new(:UNIX, :DGRAM, 0) * s1_ai = Addrinfo.unix("/tmp/sock1") * s1.bind(s1_ai) @@ -147,13 +193,13 @@ unix_recvfrom(int argc, VALUE *argv, VALUE sock) return rsock_s_recvfrom(sock, argc, argv, RECV_UNIX); } -#if defined(HAVE_ST_MSG_CONTROL) && defined(SCM_RIGHTS) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) && defined(SCM_RIGHTS) #define FD_PASSING_BY_MSG_CONTROL 1 #else #define FD_PASSING_BY_MSG_CONTROL 0 #endif -#if defined(HAVE_ST_MSG_ACCRIGHTS) +#if defined(HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS) #define FD_PASSING_BY_MSG_ACCRIGHTS 1 #else #define FD_PASSING_BY_MSG_ACCRIGHTS 0 @@ -164,6 +210,7 @@ struct iomsg_arg { struct msghdr msg; }; +#if defined(HAVE_SENDMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) static VALUE sendmsg_blocking(void *data) { @@ -171,7 +218,6 @@ sendmsg_blocking(void *data) return sendmsg(arg->fd, &arg->msg, 0); } -#if defined(HAVE_SENDMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) /* * call-seq: * unixsocket.send_io(io) => nil @@ -187,6 +233,8 @@ sendmsg_blocking(void *data) * p stdout.fileno #=> 6 * * stdout.puts "hello" # outputs "hello\n" to standard output. + * + * _io_ may be any kind of IO object or integer file descriptor. */ static VALUE unix_send_io(VALUE sock, VALUE val) @@ -198,22 +246,22 @@ unix_send_io(VALUE sock, VALUE val) char buf[1]; #if FD_PASSING_BY_MSG_CONTROL - struct { - struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; + union { + struct cmsghdr hdr; + char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8]; } cmsg; #endif if (rb_obj_is_kind_of(val, rb_cIO)) { rb_io_t *valfptr; - GetOpenFile(val, valfptr); - fd = valfptr->fd; + GetOpenFile(val, valfptr); + fd = valfptr->fd; } else if (FIXNUM_P(val)) { fd = FIX2INT(val); } else { - rb_raise(rb_eTypeError, "neither IO nor file descriptor"); + rb_raise(rb_eTypeError, "neither IO nor file descriptor"); } GetOpenFile(sock, fptr); @@ -230,10 +278,10 @@ unix_send_io(VALUE sock, VALUE val) #if FD_PASSING_BY_MSG_CONTROL arg.msg.msg_control = (caddr_t)&cmsg; - arg.msg.msg_controllen = CMSG_LEN(sizeof(int)); + arg.msg.msg_controllen = (socklen_t)CMSG_LEN(sizeof(int)); arg.msg.msg_flags = 0; MEMZERO((char*)&cmsg, char, sizeof(cmsg)); - cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); + cmsg.hdr.cmsg_len = (socklen_t)CMSG_LEN(sizeof(int)); cmsg.hdr.cmsg_level = SOL_SOCKET; cmsg.hdr.cmsg_type = SCM_RIGHTS; memcpy(CMSG_DATA(&cmsg.hdr), &fd, sizeof(int)); @@ -243,9 +291,10 @@ unix_send_io(VALUE sock, VALUE val) #endif arg.fd = fptr->fd; - rb_thread_fd_writable(arg.fd); - if ((int)BLOCKING_REGION(sendmsg_blocking, &arg) == -1) - rb_sys_fail("sendmsg(2)"); + while ((int)rb_io_blocking_region(fptr, sendmsg_blocking, &arg) == -1) { + if (!rb_io_wait_writable(arg.fd)) + rsock_sys_fail_path("sendmsg(2)", fptr->pathv); + } return Qnil; } @@ -253,24 +302,27 @@ unix_send_io(VALUE sock, VALUE val) #define unix_send_io rb_f_notimplement #endif +#if defined(HAVE_RECVMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) static VALUE recvmsg_blocking(void *data) { struct iomsg_arg *arg = data; - return recvmsg(arg->fd, &arg->msg, 0); + int flags = 0; + return rsock_recvmsg(arg->fd, &arg->msg, flags); } -#if defined(HAVE_RECVMSG) && (FD_PASSING_BY_MSG_CONTROL || FD_PASSING_BY_MSG_ACCRIGHTS) /* * call-seq: * unixsocket.recv_io([klass [, mode]]) => io * + * Example + * * UNIXServer.open("/tmp/sock") {|serv| - * UNIXSocket.open("/tmp/sock") {|c| + * UNIXSocket.open("/tmp/sock") {|c| * s = serv.accept * - * c.send_io STDOUT - * stdout = s.recv_io + * c.send_io STDOUT + * stdout = s.recv_io * * p STDOUT.fileno #=> 1 * p stdout.fileno #=> 7 @@ -279,6 +331,11 @@ recvmsg_blocking(void *data) * } * } * + * _klass_ will determine the class of _io_ returned (using the + * IO.for_fd singleton method or similar). + * If _klass_ is +nil+, an integer file descriptor is returned. + * + * _mode_ is the same as the argument passed to IO.for_fd */ static VALUE unix_recv_io(int argc, VALUE *argv, VALUE sock) @@ -288,21 +345,28 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) struct iomsg_arg arg; struct iovec vec[2]; char buf[1]; + unsigned int gc_reason = 0; + enum { + GC_REASON_EMSGSIZE = 0x1, + GC_REASON_TRUNCATE = 0x2, + GC_REASON_ENOMEM = 0x4 + }; int fd; #if FD_PASSING_BY_MSG_CONTROL - struct { - struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; + union { + struct cmsghdr hdr; + char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8]; } cmsg; #endif rb_scan_args(argc, argv, "02", &klass, &mode); if (argc == 0) - klass = rb_cIO; + klass = rb_cIO; if (argc <= 1) - mode = Qnil; + mode = Qnil; +retry: GetOpenFile(sock, fptr); arg.msg.msg_name = NULL; @@ -315,9 +379,9 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) #if FD_PASSING_BY_MSG_CONTROL arg.msg.msg_control = (caddr_t)&cmsg; - arg.msg.msg_controllen = CMSG_SPACE(sizeof(int)); + arg.msg.msg_controllen = (socklen_t)CMSG_SPACE(sizeof(int)); arg.msg.msg_flags = 0; - cmsg.hdr.cmsg_len = CMSG_LEN(sizeof(int)); + cmsg.hdr.cmsg_len = (socklen_t)CMSG_LEN(sizeof(int)); cmsg.hdr.cmsg_level = SOL_SOCKET; cmsg.hdr.cmsg_type = SCM_RIGHTS; fd = -1; @@ -329,47 +393,67 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) #endif arg.fd = fptr->fd; - rb_thread_wait_fd(arg.fd); - if ((int)BLOCKING_REGION(recvmsg_blocking, &arg) == -1) - rb_sys_fail("recvmsg(2)"); + while ((int)rb_io_blocking_region(fptr, recvmsg_blocking, &arg) == -1) { + int e = errno; + if (e == EMSGSIZE && !(gc_reason & GC_REASON_EMSGSIZE)) { + /* FreeBSD gets here when we're out of FDs */ + gc_reason |= GC_REASON_EMSGSIZE; + rb_gc_for_fd(EMFILE); + goto retry; + } + else if (e == ENOMEM && !(gc_reason & GC_REASON_ENOMEM)) { + /* ENOMEM is documented in recvmsg manpages */ + gc_reason |= GC_REASON_ENOMEM; + rb_gc_for_fd(e); + goto retry; + } + if (!rb_io_wait_readable(arg.fd)) + rsock_syserr_fail_path(e, "recvmsg(2)", fptr->pathv); + } #if FD_PASSING_BY_MSG_CONTROL - if (arg.msg.msg_controllen < sizeof(struct cmsghdr)) { - rb_raise(rb_eSocket, - "file descriptor was not passed (msg_controllen=%d smaller than sizeof(struct cmsghdr)=%d)", - (int)arg.msg.msg_controllen, (int)sizeof(struct cmsghdr)); + if (arg.msg.msg_controllen < (socklen_t)sizeof(struct cmsghdr)) { + /* FreeBSD and Linux both get here when we're out of FDs */ + if (!(gc_reason & GC_REASON_TRUNCATE)) { + gc_reason |= GC_REASON_TRUNCATE; + rb_gc_for_fd(EMFILE); + goto retry; + } + rb_raise(rb_eSocket, + "file descriptor was not passed (msg_controllen=%d smaller than sizeof(struct cmsghdr)=%d)", + (int)arg.msg.msg_controllen, (int)sizeof(struct cmsghdr)); } if (cmsg.hdr.cmsg_level != SOL_SOCKET) { - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_level=%d, %d expected)", - cmsg.hdr.cmsg_level, SOL_SOCKET); + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_level=%d, %d expected)", + cmsg.hdr.cmsg_level, SOL_SOCKET); } if (cmsg.hdr.cmsg_type != SCM_RIGHTS) { - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_type=%d, %d expected)", - cmsg.hdr.cmsg_type, SCM_RIGHTS); + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_type=%d, %d expected)", + cmsg.hdr.cmsg_type, SCM_RIGHTS); } - if (arg.msg.msg_controllen < CMSG_LEN(sizeof(int))) { - rb_raise(rb_eSocket, - "file descriptor was not passed (msg_controllen=%d smaller than CMSG_LEN(sizeof(int))=%d)", - (int)arg.msg.msg_controllen, (int)CMSG_LEN(sizeof(int))); + if (arg.msg.msg_controllen < (socklen_t)CMSG_LEN(sizeof(int))) { + rb_raise(rb_eSocket, + "file descriptor was not passed (msg_controllen=%d smaller than CMSG_LEN(sizeof(int))=%d)", + (int)arg.msg.msg_controllen, (int)CMSG_LEN(sizeof(int))); } - if (CMSG_SPACE(sizeof(int)) < arg.msg.msg_controllen) { - rb_raise(rb_eSocket, - "file descriptor was not passed (msg_controllen=%d bigger than CMSG_SPACE(sizeof(int))=%d)", - (int)arg.msg.msg_controllen, (int)CMSG_SPACE(sizeof(int))); + if ((socklen_t)CMSG_SPACE(sizeof(int)) < arg.msg.msg_controllen) { + rb_raise(rb_eSocket, + "file descriptor was not passed (msg_controllen=%d bigger than CMSG_SPACE(sizeof(int))=%d)", + (int)arg.msg.msg_controllen, (int)CMSG_SPACE(sizeof(int))); } if (cmsg.hdr.cmsg_len != CMSG_LEN(sizeof(int))) { - rsock_discard_cmsg_resource(&arg.msg); - rb_raise(rb_eSocket, - "file descriptor was not passed (cmsg_len=%d, %d expected)", - (int)cmsg.hdr.cmsg_len, (int)CMSG_LEN(sizeof(int))); + rsock_discard_cmsg_resource(&arg.msg, 0); + rb_raise(rb_eSocket, + "file descriptor was not passed (cmsg_len=%d, %d expected)", + (int)cmsg.hdr.cmsg_len, (int)CMSG_LEN(sizeof(int))); } #else if (arg.msg.msg_accrightslen != sizeof(fd)) { - rb_raise(rb_eSocket, - "file descriptor was not passed (accrightslen) : %d != %d", - arg.msg.msg_accrightslen, (int)sizeof(fd)); + rb_raise(rb_eSocket, + "file descriptor was not passed (accrightslen=%d, %d expected)", + arg.msg.msg_accrightslen, (int)sizeof(fd)); } #endif @@ -377,17 +461,20 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) memcpy(&fd, CMSG_DATA(&cmsg.hdr), sizeof(int)); #endif + rb_update_max_fd(fd); + rb_maygvl_fd_fix_cloexec(fd); + if (klass == Qnil) - return INT2FIX(fd); + return INT2FIX(fd); else { - ID for_fd; - int ff_argc; - VALUE ff_argv[2]; - CONST_ID(for_fd, "for_fd"); - ff_argc = mode == Qnil ? 1 : 2; - ff_argv[0] = INT2FIX(fd); - ff_argv[1] = mode; - return rb_funcall2(klass, for_fd, ff_argc, ff_argv); + ID for_fd; + int ff_argc; + VALUE ff_argv[2]; + CONST_ID(for_fd, "for_fd"); + ff_argc = mode == Qnil ? 1 : 2; + ff_argv[0] = INT2FIX(fd); + ff_argv[1] = mode; + return rb_funcallv(klass, for_fd, ff_argc, ff_argv); } } #else @@ -410,12 +497,14 @@ unix_addr(VALUE sock) { rb_io_t *fptr; struct sockaddr_un addr; - socklen_t len = sizeof addr; + socklen_t len = (socklen_t)sizeof addr; + socklen_t len0 = len; GetOpenFile(sock, fptr); if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getsockname(2)"); + rsock_sys_fail_path("getsockname(2)", fptr->pathv); + if (len0 < len) len = len0; return rsock_unixaddr(&addr, len); } @@ -436,12 +525,14 @@ unix_peeraddr(VALUE sock) { rb_io_t *fptr; struct sockaddr_un addr; - socklen_t len = sizeof addr; + socklen_t len = (socklen_t)sizeof addr; + socklen_t len0 = len; GetOpenFile(sock, fptr); if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail("getpeername(2)"); + rsock_sys_fail_path("getpeername(2)", fptr->pathv); + if (len0 < len) len = len0; return rsock_unixaddr(&addr, len); } @@ -450,9 +541,9 @@ unix_peeraddr(VALUE sock) * UNIXSocket.pair([type [, protocol]]) => [unixsocket1, unixsocket2] * UNIXSocket.socketpair([type [, protocol]]) => [unixsocket1, unixsocket2] * - * Creates a pair of sockets connected each other. + * Creates a pair of sockets connected to each other. * - * _socktype_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. + * _type_ should be a socket type such as: :STREAM, :DGRAM, :RAW, etc. * * _protocol_ should be a protocol defined in the domain. * 0 is default protocol for the domain. @@ -467,14 +558,14 @@ static VALUE unix_s_socketpair(int argc, VALUE *argv, VALUE klass) { VALUE domain, type, protocol; - domain = INT2FIX(PF_UNIX); VALUE args[3]; + domain = INT2FIX(PF_UNIX); rb_scan_args(argc, argv, "02", &type, &protocol); if (argc == 0) - type = INT2FIX(SOCK_STREAM); + type = INT2FIX(SOCK_STREAM); if (argc <= 1) - protocol = INT2FIX(0); + protocol = INT2FIX(0); args[0] = domain; args[1] = type; @@ -484,13 +575,15 @@ unix_s_socketpair(int argc, VALUE *argv, VALUE klass) } #endif -/* - * UNIXSocket class - */ void -Init_unixsocket(void) +rsock_init_unixsocket(void) { -#ifdef HAVE_SYS_UN_H +#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN + /* + * Document-class: UNIXSocket < BasicSocket + * + * UNIXSocket represents a UNIX domain stream client socket. + */ rb_cUNIXSocket = rb_define_class("UNIXSocket", rb_cBasicSocket); rb_define_method(rb_cUNIXSocket, "initialize", unix_init, 1); rb_define_method(rb_cUNIXSocket, "path", unix_path, 0); |