diff options
Diffstat (limited to 'ext/socket')
| -rw-r--r-- | ext/socket/.document | 1 | ||||
| -rw-r--r-- | ext/socket/ancdata.c | 410 | ||||
| -rw-r--r-- | ext/socket/basicsocket.c | 259 | ||||
| -rw-r--r-- | ext/socket/constants.c | 5 | ||||
| -rw-r--r-- | ext/socket/depend | 2879 | ||||
| -rw-r--r-- | ext/socket/extconf.rb | 801 | ||||
| -rw-r--r-- | ext/socket/getaddrinfo.c | 27 | ||||
| -rw-r--r-- | ext/socket/getnameinfo.c | 36 | ||||
| -rw-r--r-- | ext/socket/ifaddr.c | 478 | ||||
| -rw-r--r-- | ext/socket/init.c | 711 | ||||
| -rw-r--r-- | ext/socket/ipsocket.c | 163 | ||||
| -rw-r--r-- | ext/socket/lib/socket.rb | 716 | ||||
| -rw-r--r-- | ext/socket/mkconstants.rb | 216 | ||||
| -rw-r--r-- | ext/socket/option.c | 599 | ||||
| -rw-r--r-- | ext/socket/raddrinfo.c | 852 | ||||
| -rw-r--r-- | ext/socket/rubysocket.h | 350 | ||||
| -rw-r--r-- | ext/socket/socket.c | 935 | ||||
| -rw-r--r-- | ext/socket/sockport.h | 86 | ||||
| -rw-r--r-- | ext/socket/sockssocket.c | 17 | ||||
| -rw-r--r-- | ext/socket/tcpserver.c | 83 | ||||
| -rw-r--r-- | ext/socket/tcpsocket.c | 49 | ||||
| -rw-r--r-- | ext/socket/udpsocket.c | 205 | ||||
| -rw-r--r-- | ext/socket/unixserver.c | 72 | ||||
| -rw-r--r-- | ext/socket/unixsocket.c | 129 |
24 files changed, 7823 insertions, 2256 deletions
diff --git a/ext/socket/.document b/ext/socket/.document index 0216c5aa45..53cfac0b10 100644 --- a/ext/socket/.document +++ b/ext/socket/.document @@ -2,6 +2,7 @@ ancdata.c basicsocket.c constants.c constdefs.c +ifaddr.c init.c ipsocket.c option.c diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c index 050da974c4..aa62cab0ec 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 @@ -86,9 +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_OF(obj, struct RObject, 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; } @@ -204,7 +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); @@ -276,8 +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| @@ -357,6 +359,8 @@ ancillary_timestamp(VALUE self) * * 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> */ @@ -573,9 +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; @@ -849,6 +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) @@ -860,7 +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; @@ -880,7 +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; @@ -904,7 +912,7 @@ inspect_bintime_as_abstime(int level, int optname, VALUE data, VALUE ret) 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 */ @@ -989,7 +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); } @@ -1054,7 +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 } @@ -1105,8 +1113,8 @@ 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 void * @@ -1127,42 +1135,40 @@ rb_sendmsg(int fd, const struct msghdr *msg, int flags) } 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) +#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; @@ -1237,6 +1243,7 @@ bsock_sendmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) 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"); #endif @@ -1257,118 +1264,91 @@ 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_LENINT(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_LENINT(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, Qnil)) { + 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) - * - */ VALUE -rsock_bsock_sendmsg(int argc, VALUE *argv, VALUE sock) +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); } #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. - * - */ VALUE -rsock_bsock_sendmsg_nonblock(int argc, VALUE *argv, VALUE sock) +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); } #endif #if defined(HAVE_RECVMSG) struct recvmsg_args_struct { int fd; - struct msghdr *msg; int flags; + struct msghdr *msg; }; 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 - return recvmsg(socket, message, flags); + len0 = message->msg_namelen; + ret = recvmsg(socket, message, flags); + if (ret != -1 && len0 < message->msg_namelen) + message->msg_namelen = len0; + return ret; } static void * @@ -1389,7 +1369,7 @@ rb_recvmsg(int fd, struct msghdr *msg, int flags) 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, int msg_peek_p) { @@ -1410,7 +1390,7 @@ discard_cmsg(struct cmsghdr *cmh, char *msg_end, int msg_peek_p) int *end = (int *)((char *)cmh + cmh->cmsg_len); while ((char *)fdp + sizeof(int) <= (char *)end && (char *)fdp + sizeof(int) <= msg_end) { - rb_fd_fix_cloexec(*fdp); + rb_update_max_fd(*fdp); close(*fdp); fdp++; } @@ -1421,7 +1401,7 @@ discard_cmsg(struct cmsghdr *cmh, char *msg_end, int msg_peek_p) void 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; @@ -1436,7 +1416,7 @@ rsock_discard_cmsg_resource(struct msghdr *mh, int 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) { @@ -1453,7 +1433,8 @@ make_io_for_unix_rights(VALUE ctl, struct cmsghdr *cmh, char *msg_end) VALUE io; if (fstat(fd, &stbuf) == -1) rb_raise(rb_eSocket, "invalid fd in SCM_RIGHTS"); - rb_fd_fix_cloexec(fd); + 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 @@ -1468,50 +1449,39 @@ make_io_for_unix_rights(VALUE ctl, struct cmsghdr *cmh, char *msg_end) #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 && RB_TYPE_P(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; @@ -1521,15 +1491,19 @@ 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; socklen_t optlen = (socklen_t)sizeof(socktype); @@ -1542,32 +1516,24 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) #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_name = &namebuf.addr; mh.msg_namelen = (socklen_t)sizeof(namebuf); mh.msg_iov = &iov; @@ -1575,7 +1541,7 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) 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 = (socklen_t)maxctllen; #endif @@ -1584,21 +1550,26 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) 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 == -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, Qnil)) { + 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 @@ -1610,23 +1581,27 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) gc_done = 1; 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)) { + 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; } +#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 < (socklen_t)(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) { @@ -1642,13 +1617,6 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) } #undef BIG_ENOUGH_SPACE } -#else - 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; - } #endif if (grown) { rsock_discard_cmsg_resource(&mh, (flags & MSG_PEEK) != 0); @@ -1665,24 +1633,23 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) } 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) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) INT2NUM(mh.msg_flags) #else Qnil #endif ); -#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; for (cmh = CMSG_FIRSTHDR(&mh); cmh != NULL; cmh = CMSG_NXTHDR(&mh, cmh)) { @@ -1694,13 +1661,14 @@ bsock_recvmsg_internal(int argc, VALUE *argv, VALUE sock, int nonblock) } 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)); + 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, (flags & MSG_PEEK) != 0); rb_ary_push(ret, ctl); } + RB_GC_GUARD(ctl_str); } #endif @@ -1709,89 +1677,28 @@ 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 - * } - * - */ VALUE -rsock_bsock_recvmsg(int argc, VALUE *argv, VALUE sock) +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); } #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. - * - */ VALUE -rsock_bsock_recvmsg_nonblock(int argc, VALUE *argv, VALUE sock) +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); } #endif void rsock_init_ancdata(void) { -#if defined(HAVE_ST_MSG_CONTROL) +#if defined(HAVE_STRUCT_MSGHDR_MSG_CONTROL) /* * Document-class: Socket::AncillaryData * @@ -1825,4 +1732,7 @@ rsock_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 c1ae88d80c..44fb7a4eb7 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); @@ -66,9 +92,6 @@ 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; @@ -80,7 +103,7 @@ bsock_shutdown(int argc, VALUE *argv, VALUE sock) } GetOpenFile(sock, fptr); if (shutdown(fptr->fd, how) == -1) - rb_sys_fail(0); + rb_sys_fail("shutdown(2)"); return INT2FIX(0); } @@ -100,9 +123,6 @@ 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); if (!(fptr->mode & FMODE_WRITABLE)) { @@ -133,9 +153,6 @@ 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); @@ -167,10 +184,10 @@ bsock_close_write(VALUE sock) * * +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 @@ -222,9 +239,8 @@ 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); @@ -243,20 +259,17 @@ bsock_setsockopt(int argc, VALUE *argv, VALUE sock) default: StringValue(val); v = RSTRING_PTR(val); - vlen = RSTRING_LENINT(val); + vlen = RSTRING_SOCKLEN(val); break; } -#define rb_sys_fail_path(path) rb_sys_fail_str(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: @@ -293,7 +306,7 @@ bsock_setsockopt(int argc, VALUE *argv, VALUE sock) * 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 @@ -323,22 +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: @@ -356,13 +378,15 @@ bsock_getsockopt(VALUE sock, VALUE lev, VALUE optname) static VALUE bsock_getsockname(VALUE sock) { - struct sockaddr_storage 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) + 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); } @@ -385,13 +409,15 @@ bsock_getsockname(VALUE sock) static VALUE bsock_getpeername(VALUE sock) { - struct sockaddr_storage 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) + 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); } @@ -427,7 +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; @@ -443,7 +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; @@ -473,14 +499,16 @@ bsock_getpeereid(VALUE self) static VALUE bsock_local_address(VALUE sock) { - struct sockaddr_storage 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) + if (getsockname(fptr->fd, &buf.addr, &len) < 0) rb_sys_fail("getsockname(2)"); - return rsock_fd_socket_addrinfo(fptr->fd, (struct sockaddr *)&buf, len); + if (len0 < len) len = len0; + return rsock_fd_socket_addrinfo(fptr->fd, &buf.addr, len); } /* @@ -505,14 +533,16 @@ bsock_local_address(VALUE sock) static VALUE bsock_remote_address(VALUE sock) { - struct sockaddr_storage 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) + if (getpeername(fptr->fd, &buf.addr, &len) < 0) rb_sys_fail("getpeername(2)"); - return rsock_fd_socket_addrinfo(fptr->fd, (struct sockaddr *)&buf, len); + if (len0 < len) len = len0; + return rsock_fd_socket_addrinfo(fptr->fd, &buf.addr, len); } /* @@ -533,39 +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 = (socklen_t)RSTRING_LENINT(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_FD(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)BLOCKING_REGION_FD(func, &arg); + + if (n >= 0) return SSIZET2NUM(n); + + if (rb_io_maybe_wait_writable(errno, socket, Qnil)) { + continue; + } + + rb_sys_fail(funcname); } - return INT2FIX(n); } /* @@ -574,11 +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 @@ -596,10 +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 @@ -607,7 +654,6 @@ 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; @@ -620,8 +666,7 @@ bsock_do_not_reverse_lookup_set(VALUE sock, VALUE state) /* * call-seq: - * basicsocket.recv(maxlen) => mesg - * basicsocket.recv(maxlen, flags) => mesg + * basicsocket.recv(maxlen[, flags[, outbuf]]) => mesg * * Receives a message. * @@ -629,6 +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" @@ -643,55 +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); } /* @@ -703,7 +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; } @@ -727,7 +731,6 @@ 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; } @@ -761,13 +764,29 @@ rsock_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); - rb_define_method(rb_cBasicSocket, "sendmsg", rsock_bsock_sendmsg, -1); /* in ancdata.c */ - rb_define_method(rb_cBasicSocket, "sendmsg_nonblock", rsock_bsock_sendmsg_nonblock, -1); /* in ancdata.c */ - rb_define_method(rb_cBasicSocket, "recvmsg", rsock_bsock_recvmsg, -1); /* in ancdata.c */ - rb_define_method(rb_cBasicSocket, "recvmsg_nonblock", rsock_bsock_recvmsg_nonblock, -1); /* in ancdata.c */ + /* 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 39f985b316..1bbb53b173 100644 --- a/ext/socket/constants.c +++ b/ext/socket/constants.c @@ -22,13 +22,12 @@ constant_arg(VALUE arg, int (*str_to_int)(const char*, long, int*), const char * 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; 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); @@ -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 diff --git a/ext/socket/depend b/ext/socket/depend index 1716f9cb89..99617e2532 100644 --- a/ext/socket/depend +++ b/ext/socket/depend @@ -1,25 +1,2864 @@ -SOCK_HEADERS = $(srcdir)/rubysocket.h $(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \ - $(hdrdir)/ruby/defines.h $(hdrdir)/ruby/io.h $(hdrdir)/ruby/thread.h \ - $(srcdir)/addrinfo.h $(srcdir)/sockport.h constdefs.h $(top_srcdir)/internal.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/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/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: $(hdrdir)/ruby/internal/arithmetic/pid_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/short.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/size_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/st_data_t.h +ancdata.o: $(hdrdir)/ruby/internal/arithmetic/uid_t.h +ancdata.o: $(hdrdir)/ruby/internal/assume.h +ancdata.o: $(hdrdir)/ruby/internal/attr/alloc_size.h +ancdata.o: $(hdrdir)/ruby/internal/attr/artificial.h +ancdata.o: $(hdrdir)/ruby/internal/attr/cold.h +ancdata.o: $(hdrdir)/ruby/internal/attr/const.h +ancdata.o: $(hdrdir)/ruby/internal/attr/constexpr.h +ancdata.o: $(hdrdir)/ruby/internal/attr/deprecated.h +ancdata.o: $(hdrdir)/ruby/internal/attr/diagnose_if.h +ancdata.o: $(hdrdir)/ruby/internal/attr/enum_extensibility.h +ancdata.o: $(hdrdir)/ruby/internal/attr/error.h +ancdata.o: $(hdrdir)/ruby/internal/attr/flag_enum.h +ancdata.o: $(hdrdir)/ruby/internal/attr/forceinline.h +ancdata.o: $(hdrdir)/ruby/internal/attr/format.h +ancdata.o: $(hdrdir)/ruby/internal/attr/maybe_unused.h +ancdata.o: $(hdrdir)/ruby/internal/attr/noalias.h +ancdata.o: $(hdrdir)/ruby/internal/attr/nodiscard.h +ancdata.o: $(hdrdir)/ruby/internal/attr/noexcept.h +ancdata.o: $(hdrdir)/ruby/internal/attr/noinline.h +ancdata.o: $(hdrdir)/ruby/internal/attr/nonnull.h +ancdata.o: $(hdrdir)/ruby/internal/attr/noreturn.h +ancdata.o: $(hdrdir)/ruby/internal/attr/pure.h +ancdata.o: $(hdrdir)/ruby/internal/attr/restrict.h +ancdata.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h +ancdata.o: $(hdrdir)/ruby/internal/attr/warning.h +ancdata.o: $(hdrdir)/ruby/internal/attr/weakref.h +ancdata.o: $(hdrdir)/ruby/internal/cast.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/apple.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/clang.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/gcc.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/intel.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/msvc.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_is/sunpro.h +ancdata.o: $(hdrdir)/ruby/internal/compiler_since.h +ancdata.o: $(hdrdir)/ruby/internal/config.h +ancdata.o: $(hdrdir)/ruby/internal/constant_p.h +ancdata.o: $(hdrdir)/ruby/internal/core.h +ancdata.o: $(hdrdir)/ruby/internal/core/rarray.h +ancdata.o: $(hdrdir)/ruby/internal/core/rbasic.h +ancdata.o: $(hdrdir)/ruby/internal/core/rbignum.h +ancdata.o: $(hdrdir)/ruby/internal/core/rclass.h +ancdata.o: $(hdrdir)/ruby/internal/core/rdata.h +ancdata.o: $(hdrdir)/ruby/internal/core/rfile.h +ancdata.o: $(hdrdir)/ruby/internal/core/rhash.h +ancdata.o: $(hdrdir)/ruby/internal/core/robject.h +ancdata.o: $(hdrdir)/ruby/internal/core/rregexp.h +ancdata.o: $(hdrdir)/ruby/internal/core/rstring.h +ancdata.o: $(hdrdir)/ruby/internal/core/rstruct.h +ancdata.o: $(hdrdir)/ruby/internal/core/rtypeddata.h +ancdata.o: $(hdrdir)/ruby/internal/ctype.h +ancdata.o: $(hdrdir)/ruby/internal/dllexport.h +ancdata.o: $(hdrdir)/ruby/internal/dosish.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/coderange.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/ctype.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/encoding.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/pathname.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/re.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/sprintf.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/string.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/symbol.h +ancdata.o: $(hdrdir)/ruby/internal/encoding/transcode.h +ancdata.o: $(hdrdir)/ruby/internal/error.h +ancdata.o: $(hdrdir)/ruby/internal/eval.h +ancdata.o: $(hdrdir)/ruby/internal/event.h +ancdata.o: $(hdrdir)/ruby/internal/fl_type.h +ancdata.o: $(hdrdir)/ruby/internal/gc.h +ancdata.o: $(hdrdir)/ruby/internal/glob.h +ancdata.o: $(hdrdir)/ruby/internal/globals.h +ancdata.o: $(hdrdir)/ruby/internal/has/attribute.h +ancdata.o: $(hdrdir)/ruby/internal/has/builtin.h +ancdata.o: $(hdrdir)/ruby/internal/has/c_attribute.h +ancdata.o: $(hdrdir)/ruby/internal/has/cpp_attribute.h +ancdata.o: $(hdrdir)/ruby/internal/has/declspec_attribute.h +ancdata.o: $(hdrdir)/ruby/internal/has/extension.h +ancdata.o: $(hdrdir)/ruby/internal/has/feature.h +ancdata.o: $(hdrdir)/ruby/internal/has/warning.h +ancdata.o: $(hdrdir)/ruby/internal/intern/array.h +ancdata.o: $(hdrdir)/ruby/internal/intern/bignum.h +ancdata.o: $(hdrdir)/ruby/internal/intern/class.h +ancdata.o: $(hdrdir)/ruby/internal/intern/compar.h +ancdata.o: $(hdrdir)/ruby/internal/intern/complex.h +ancdata.o: $(hdrdir)/ruby/internal/intern/cont.h +ancdata.o: $(hdrdir)/ruby/internal/intern/dir.h +ancdata.o: $(hdrdir)/ruby/internal/intern/enum.h +ancdata.o: $(hdrdir)/ruby/internal/intern/enumerator.h +ancdata.o: $(hdrdir)/ruby/internal/intern/error.h +ancdata.o: $(hdrdir)/ruby/internal/intern/eval.h +ancdata.o: $(hdrdir)/ruby/internal/intern/file.h +ancdata.o: $(hdrdir)/ruby/internal/intern/gc.h +ancdata.o: $(hdrdir)/ruby/internal/intern/hash.h +ancdata.o: $(hdrdir)/ruby/internal/intern/io.h +ancdata.o: $(hdrdir)/ruby/internal/intern/load.h +ancdata.o: $(hdrdir)/ruby/internal/intern/marshal.h +ancdata.o: $(hdrdir)/ruby/internal/intern/numeric.h +ancdata.o: $(hdrdir)/ruby/internal/intern/object.h +ancdata.o: $(hdrdir)/ruby/internal/intern/parse.h +ancdata.o: $(hdrdir)/ruby/internal/intern/proc.h +ancdata.o: $(hdrdir)/ruby/internal/intern/process.h +ancdata.o: $(hdrdir)/ruby/internal/intern/random.h +ancdata.o: $(hdrdir)/ruby/internal/intern/range.h +ancdata.o: $(hdrdir)/ruby/internal/intern/rational.h +ancdata.o: $(hdrdir)/ruby/internal/intern/re.h +ancdata.o: $(hdrdir)/ruby/internal/intern/ruby.h +ancdata.o: $(hdrdir)/ruby/internal/intern/select.h +ancdata.o: $(hdrdir)/ruby/internal/intern/select/largesize.h +ancdata.o: $(hdrdir)/ruby/internal/intern/signal.h +ancdata.o: $(hdrdir)/ruby/internal/intern/sprintf.h +ancdata.o: $(hdrdir)/ruby/internal/intern/string.h +ancdata.o: $(hdrdir)/ruby/internal/intern/struct.h +ancdata.o: $(hdrdir)/ruby/internal/intern/thread.h +ancdata.o: $(hdrdir)/ruby/internal/intern/time.h +ancdata.o: $(hdrdir)/ruby/internal/intern/variable.h +ancdata.o: $(hdrdir)/ruby/internal/intern/vm.h +ancdata.o: $(hdrdir)/ruby/internal/interpreter.h +ancdata.o: $(hdrdir)/ruby/internal/iterator.h +ancdata.o: $(hdrdir)/ruby/internal/memory.h +ancdata.o: $(hdrdir)/ruby/internal/method.h +ancdata.o: $(hdrdir)/ruby/internal/module.h +ancdata.o: $(hdrdir)/ruby/internal/newobj.h +ancdata.o: $(hdrdir)/ruby/internal/rgengc.h +ancdata.o: $(hdrdir)/ruby/internal/scan_args.h +ancdata.o: $(hdrdir)/ruby/internal/special_consts.h +ancdata.o: $(hdrdir)/ruby/internal/static_assert.h +ancdata.o: $(hdrdir)/ruby/internal/stdalign.h +ancdata.o: $(hdrdir)/ruby/internal/stdbool.h +ancdata.o: $(hdrdir)/ruby/internal/symbol.h +ancdata.o: $(hdrdir)/ruby/internal/value.h +ancdata.o: $(hdrdir)/ruby/internal/value_type.h +ancdata.o: $(hdrdir)/ruby/internal/variable.h +ancdata.o: $(hdrdir)/ruby/internal/warning_push.h +ancdata.o: $(hdrdir)/ruby/internal/xmalloc.h +ancdata.o: $(hdrdir)/ruby/io.h +ancdata.o: $(hdrdir)/ruby/missing.h +ancdata.o: $(hdrdir)/ruby/onigmo.h +ancdata.o: $(hdrdir)/ruby/oniguruma.h +ancdata.o: $(hdrdir)/ruby/ruby.h +ancdata.o: $(hdrdir)/ruby/st.h +ancdata.o: $(hdrdir)/ruby/subst.h +ancdata.o: $(hdrdir)/ruby/thread.h +ancdata.o: $(hdrdir)/ruby/util.h +ancdata.o: $(top_srcdir)/internal.h +ancdata.o: $(top_srcdir)/internal/array.h +ancdata.o: $(top_srcdir)/internal/compilers.h +ancdata.o: $(top_srcdir)/internal/error.h +ancdata.o: $(top_srcdir)/internal/gc.h +ancdata.o: $(top_srcdir)/internal/io.h +ancdata.o: $(top_srcdir)/internal/serial.h +ancdata.o: $(top_srcdir)/internal/static_assert.h +ancdata.o: $(top_srcdir)/internal/string.h +ancdata.o: $(top_srcdir)/internal/thread.h +ancdata.o: $(top_srcdir)/internal/vm.h +ancdata.o: $(top_srcdir)/internal/warnings.h +ancdata.o: ancdata.c +ancdata.o: constdefs.h +ancdata.o: rubysocket.h +ancdata.o: sockport.h +basicsocket.o: $(RUBY_EXTCONF_H) +basicsocket.o: $(arch_hdrdir)/ruby/config.h +basicsocket.o: $(hdrdir)/ruby/assert.h +basicsocket.o: $(hdrdir)/ruby/backward.h +basicsocket.o: $(hdrdir)/ruby/backward/2/assume.h +basicsocket.o: $(hdrdir)/ruby/backward/2/attributes.h +basicsocket.o: $(hdrdir)/ruby/backward/2/bool.h +basicsocket.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h +basicsocket.o: $(hdrdir)/ruby/backward/2/inttypes.h +basicsocket.o: $(hdrdir)/ruby/backward/2/limits.h +basicsocket.o: $(hdrdir)/ruby/backward/2/long_long.h +basicsocket.o: $(hdrdir)/ruby/backward/2/stdalign.h +basicsocket.o: $(hdrdir)/ruby/backward/2/stdarg.h +basicsocket.o: $(hdrdir)/ruby/defines.h +basicsocket.o: $(hdrdir)/ruby/encoding.h +basicsocket.o: $(hdrdir)/ruby/fiber/scheduler.h +basicsocket.o: $(hdrdir)/ruby/intern.h +basicsocket.o: $(hdrdir)/ruby/internal/anyargs.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/char.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/double.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/fixnum.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/gid_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/int.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/intptr_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/long.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/long_long.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/mode_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/off_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/pid_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/short.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/size_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/st_data_t.h +basicsocket.o: $(hdrdir)/ruby/internal/arithmetic/uid_t.h +basicsocket.o: $(hdrdir)/ruby/internal/assume.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/alloc_size.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/artificial.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/cold.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/const.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/constexpr.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/deprecated.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/diagnose_if.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/enum_extensibility.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/error.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/flag_enum.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/forceinline.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/format.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/maybe_unused.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/noalias.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/nodiscard.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/noexcept.h +basicsocket.o: $(hdrdir)/ruby/internal/attr/noinline.h 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+unixserver.o: $(hdrdir)/ruby/internal/has/declspec_attribute.h +unixserver.o: $(hdrdir)/ruby/internal/has/extension.h +unixserver.o: $(hdrdir)/ruby/internal/has/feature.h +unixserver.o: $(hdrdir)/ruby/internal/has/warning.h +unixserver.o: $(hdrdir)/ruby/internal/intern/array.h +unixserver.o: $(hdrdir)/ruby/internal/intern/bignum.h +unixserver.o: $(hdrdir)/ruby/internal/intern/class.h +unixserver.o: $(hdrdir)/ruby/internal/intern/compar.h +unixserver.o: $(hdrdir)/ruby/internal/intern/complex.h +unixserver.o: $(hdrdir)/ruby/internal/intern/cont.h +unixserver.o: $(hdrdir)/ruby/internal/intern/dir.h +unixserver.o: $(hdrdir)/ruby/internal/intern/enum.h +unixserver.o: $(hdrdir)/ruby/internal/intern/enumerator.h +unixserver.o: $(hdrdir)/ruby/internal/intern/error.h +unixserver.o: $(hdrdir)/ruby/internal/intern/eval.h +unixserver.o: $(hdrdir)/ruby/internal/intern/file.h +unixserver.o: $(hdrdir)/ruby/internal/intern/gc.h +unixserver.o: $(hdrdir)/ruby/internal/intern/hash.h +unixserver.o: $(hdrdir)/ruby/internal/intern/io.h +unixserver.o: $(hdrdir)/ruby/internal/intern/load.h +unixserver.o: $(hdrdir)/ruby/internal/intern/marshal.h +unixserver.o: $(hdrdir)/ruby/internal/intern/numeric.h +unixserver.o: $(hdrdir)/ruby/internal/intern/object.h +unixserver.o: $(hdrdir)/ruby/internal/intern/parse.h +unixserver.o: $(hdrdir)/ruby/internal/intern/proc.h +unixserver.o: $(hdrdir)/ruby/internal/intern/process.h +unixserver.o: $(hdrdir)/ruby/internal/intern/random.h +unixserver.o: $(hdrdir)/ruby/internal/intern/range.h +unixserver.o: $(hdrdir)/ruby/internal/intern/rational.h +unixserver.o: $(hdrdir)/ruby/internal/intern/re.h +unixserver.o: $(hdrdir)/ruby/internal/intern/ruby.h +unixserver.o: $(hdrdir)/ruby/internal/intern/select.h +unixserver.o: $(hdrdir)/ruby/internal/intern/select/largesize.h +unixserver.o: $(hdrdir)/ruby/internal/intern/signal.h +unixserver.o: $(hdrdir)/ruby/internal/intern/sprintf.h +unixserver.o: $(hdrdir)/ruby/internal/intern/string.h +unixserver.o: $(hdrdir)/ruby/internal/intern/struct.h +unixserver.o: $(hdrdir)/ruby/internal/intern/thread.h +unixserver.o: $(hdrdir)/ruby/internal/intern/time.h +unixserver.o: $(hdrdir)/ruby/internal/intern/variable.h +unixserver.o: $(hdrdir)/ruby/internal/intern/vm.h +unixserver.o: $(hdrdir)/ruby/internal/interpreter.h +unixserver.o: $(hdrdir)/ruby/internal/iterator.h +unixserver.o: $(hdrdir)/ruby/internal/memory.h +unixserver.o: $(hdrdir)/ruby/internal/method.h +unixserver.o: $(hdrdir)/ruby/internal/module.h +unixserver.o: $(hdrdir)/ruby/internal/newobj.h +unixserver.o: $(hdrdir)/ruby/internal/rgengc.h +unixserver.o: $(hdrdir)/ruby/internal/scan_args.h +unixserver.o: $(hdrdir)/ruby/internal/special_consts.h +unixserver.o: $(hdrdir)/ruby/internal/static_assert.h +unixserver.o: $(hdrdir)/ruby/internal/stdalign.h +unixserver.o: $(hdrdir)/ruby/internal/stdbool.h +unixserver.o: $(hdrdir)/ruby/internal/symbol.h +unixserver.o: $(hdrdir)/ruby/internal/value.h +unixserver.o: $(hdrdir)/ruby/internal/value_type.h +unixserver.o: $(hdrdir)/ruby/internal/variable.h +unixserver.o: $(hdrdir)/ruby/internal/warning_push.h +unixserver.o: $(hdrdir)/ruby/internal/xmalloc.h +unixserver.o: $(hdrdir)/ruby/io.h +unixserver.o: $(hdrdir)/ruby/missing.h +unixserver.o: $(hdrdir)/ruby/onigmo.h +unixserver.o: $(hdrdir)/ruby/oniguruma.h +unixserver.o: $(hdrdir)/ruby/ruby.h +unixserver.o: $(hdrdir)/ruby/st.h +unixserver.o: $(hdrdir)/ruby/subst.h +unixserver.o: $(hdrdir)/ruby/thread.h +unixserver.o: $(hdrdir)/ruby/util.h +unixserver.o: $(top_srcdir)/internal.h +unixserver.o: $(top_srcdir)/internal/array.h +unixserver.o: $(top_srcdir)/internal/compilers.h +unixserver.o: $(top_srcdir)/internal/error.h +unixserver.o: $(top_srcdir)/internal/gc.h +unixserver.o: $(top_srcdir)/internal/io.h +unixserver.o: $(top_srcdir)/internal/serial.h +unixserver.o: $(top_srcdir)/internal/static_assert.h +unixserver.o: $(top_srcdir)/internal/string.h +unixserver.o: $(top_srcdir)/internal/thread.h +unixserver.o: $(top_srcdir)/internal/vm.h +unixserver.o: $(top_srcdir)/internal/warnings.h +unixserver.o: constdefs.h +unixserver.o: rubysocket.h +unixserver.o: sockport.h +unixserver.o: unixserver.c +unixsocket.o: $(RUBY_EXTCONF_H) +unixsocket.o: $(arch_hdrdir)/ruby/config.h +unixsocket.o: $(hdrdir)/ruby/assert.h +unixsocket.o: $(hdrdir)/ruby/backward.h +unixsocket.o: $(hdrdir)/ruby/backward/2/assume.h +unixsocket.o: $(hdrdir)/ruby/backward/2/attributes.h +unixsocket.o: $(hdrdir)/ruby/backward/2/bool.h +unixsocket.o: $(hdrdir)/ruby/backward/2/gcc_version_since.h +unixsocket.o: $(hdrdir)/ruby/backward/2/inttypes.h +unixsocket.o: $(hdrdir)/ruby/backward/2/limits.h +unixsocket.o: $(hdrdir)/ruby/backward/2/long_long.h +unixsocket.o: $(hdrdir)/ruby/backward/2/stdalign.h +unixsocket.o: $(hdrdir)/ruby/backward/2/stdarg.h +unixsocket.o: $(hdrdir)/ruby/defines.h +unixsocket.o: $(hdrdir)/ruby/encoding.h +unixsocket.o: $(hdrdir)/ruby/fiber/scheduler.h +unixsocket.o: $(hdrdir)/ruby/intern.h +unixsocket.o: $(hdrdir)/ruby/internal/anyargs.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/char.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/double.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/fixnum.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/gid_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/int.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/intptr_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/long.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/long_long.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/mode_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/off_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/pid_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/short.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/size_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/st_data_t.h +unixsocket.o: $(hdrdir)/ruby/internal/arithmetic/uid_t.h +unixsocket.o: $(hdrdir)/ruby/internal/assume.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/alloc_size.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/artificial.h +unixsocket.o: $(hdrdir)/ruby/internal/attr/cold.h +unixsocket.o: $(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/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/gc.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/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/rgengc.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/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/util.h +unixsocket.o: $(top_srcdir)/internal.h +unixsocket.o: $(top_srcdir)/internal/array.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/io.h +unixsocket.o: $(top_srcdir)/internal/serial.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: $(top_srcdir)/internal/warnings.h +unixsocket.o: constdefs.h +unixsocket.o: rubysocket.h +unixsocket.o: sockport.h +unixsocket.o: unixsocket.c +# AUTOGENERATED DEPENDENCIES END diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb index 87409394ff..b70a862414 100644 --- a/ext/socket/extconf.rb +++ b/ext/socket/extconf.rb @@ -1,43 +1,7 @@ +# frozen_string_literal: false require 'mkmf' -$INCFLAGS << " -I$(topdir) -I$(top_srcdir)" - -case RUBY_PLATFORM -when /(ms|bcc)win(32|64)|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 = /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> @@ -49,82 +13,116 @@ main(void) return 0; } EOF - $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 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 +GETADDRINFO_GETNAMEINFO_TEST = <<EOF +#include <stdlib.h> -if have_struct_member("struct sockaddr_in", "sin_len", headers) - $defs[-1] = "-DHAVE_SIN_LEN" -end +#ifndef EXIT_SUCCESS +#define EXIT_SUCCESS 0 +#endif +#ifndef EXIT_FAILURE +#define EXIT_FAILURE 1 +#endif -# doug's fix, NOW add -Dss_family... only if required! -doug = proc {have_struct_member("struct sockaddr_storage", "ss_family", headers)} -if (doug[] or - with_cppflags($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 +#ifndef AF_LOCAL +#define AF_LOCAL AF_UNIX +#endif -if have_struct_member("struct sockaddr", "sa_len", headers) - $defs[-1] = "-DHAVE_SA_LEN " -end +int +main(void) +{ + int passive, gaierr, inet4 = 0, inet6 = 0; + struct addrinfo hints, *ai, *aitop; + char straddr[INET6_ADDRSTRLEN], strport[16]; +#ifdef _WIN32 + WSADATA retdata; -have_header("netinet/tcp.h") if /cygwin/ !~ RUBY_PLATFORM # for cygwin 1.1.5 -have_header("netinet/udp.h") + WSAStartup(MAKEWORD(2, 0), &retdata); +#endif -if !have_macro("IPPROTO_IPV6", headers) && have_const("IPPROTO_IPV6", headers) - IO.read(File.join(File.dirname(__FILE__), "mkconstants.rb")).sub(/\A.*^__END__$/m, '').split(/\r?\n/).grep(/\AIPPROTO_\w*/){$&}.each {|name| - have_const(name, headers) unless $defs.include?("-DHAVE_CONST_#{name.upcase}") + for (passive = 0; passive <= 1; passive++) { + memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_UNSPEC; + hints.ai_protocol = IPPROTO_TCP; + hints.ai_flags = passive ? AI_PASSIVE : 0; + hints.ai_socktype = SOCK_STREAM; + if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { + (void)gai_strerror(gaierr); + goto bad; + } + for (ai = aitop; ai; ai = ai->ai_next) { + if (ai->ai_family == AF_LOCAL) continue; + if (ai->ai_addr == NULL) + goto bad; +#if defined(_AIX) + if (ai->ai_family == AF_INET6 && passive) { + inet6++; + continue; + } + ai->ai_addr->sa_len = ai->ai_addrlen; + ai->ai_addr->sa_family = ai->ai_family; +#endif + if (ai->ai_addrlen == 0 || + getnameinfo(ai->ai_addr, ai->ai_addrlen, + straddr, sizeof(straddr), strport, sizeof(strport), + NI_NUMERICHOST|NI_NUMERICSERV) != 0) { + goto bad; + } + if (strcmp(strport, "54321") != 0) { + goto bad; + } + switch (ai->ai_family) { + case AF_INET: + if (passive) { + if (strcmp(straddr, "0.0.0.0") != 0) { + goto bad; + } + } else { + if (strcmp(straddr, "127.0.0.1") != 0) { + goto bad; + } + } + inet4++; + break; + case AF_INET6: + if (passive) { + if (strcmp(straddr, "::") != 0) { + goto bad; + } + } else { + if (strcmp(straddr, "::1") != 0) { + goto bad; + } + } + inet6++; + break; + case AF_UNSPEC: + goto bad; + break; + default: + /* another family support? */ + break; + } + } } -end -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 + if (!(inet4 == 0 || inet4 == 2)) + goto bad; + if (!(inet6 == 0 || inet6 == 2)) + goto bad; + + if (aitop) + freeaddrinfo(aitop); + return EXIT_SUCCESS; + + bad: + if (aitop) + freeaddrinfo(aitop); + return EXIT_FAILURE; +} +EOF -if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") {try_run(cpp_include(headers) + <<'EOF')} +RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST = <<'EOF' #include <stdlib.h> #include <stdio.h> #include <string.h> @@ -244,147 +242,221 @@ int main(int argc, char *argv[]) return EXIT_SUCCESS; } EOF - $defs << "-DFD_PASSING_WORK_WITH_RECVMSG_MSG_PEEK" + +def test_recvmsg_with_msg_peek_creates_fds(headers) + case RUBY_PLATFORM + when /linux/ + # Linux 2.6.38 allocate fds by recvmsg with MSG_PEEK. + close_fds = true + when /bsd|darwin/ + # FreeBSD 8.2.0, NetBSD 5 and MacOS X Snow Leopard doesn't + # allocate fds by recvmsg with MSG_PEEK. + # [ruby-dev:44189] + # http://bugs.ruby-lang.org/issues/5075 + close_fds = false + when /cygwin/ + # Cygwin doesn't support fd passing. + # http://cygwin.com/ml/cygwin/2003-09/msg01808.html + close_fds = false + else + close_fds = nil + end + if !CROSS_COMPILING + if checking_for("recvmsg() with MSG_PEEK allocate file descriptors") { + try_run(cpp_include(headers) + RECVMSG_WITH_MSG_PEEK_ALLOCATE_FD_TEST) + } + if close_fds == false + warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation unexpected." + elsif close_fds == nil + puts "info: #{RUBY_PLATFORM} recvmsg() with MSG_PEEK allocates fds on fd-passing." + end + close_fds = true + else + if close_fds == true + warn "unexpected fd-passing recvmsg() with MSG_PEEK behavor on #{RUBY_PLATFORM}: fd allocation expected." + elsif close_fds == nil + puts "info: #{RUBY_PLATFORM}: recvmsg() with MSG_PEEK doesn't allocates fds on fd-passing." + end + close_fds = false + end + end + if close_fds == nil + abort <<EOS +Fatal: cannot test fd-passing recvmsg() with MSG_PEEK behavor +because cross-compilation for #{RUBY_PLATFORM}. +If recvmsg() with MSG_PEEK allocates fds on fd passing: +--enable-close-fds-by-recvmsg-with-peek +If recvmsg() with MSG_PEEK doesn't allocate fds on fd passing: +--disable-close-fds-by-recvmsg-with-peek +EOS + end + close_fds end -getaddr_info_ok = (enable_config("wide-getaddrinfo") && :wide) || - (checking_for("wide getaddrinfo") {try_run(<<EOF)} && :os) -#{cpp_include(headers)} -#include <stdlib.h> +$INCFLAGS << " -I$(topdir) -I$(top_srcdir)" -#ifndef EXIT_SUCCESS -#define EXIT_SUCCESS 0 -#endif -#ifndef EXIT_FAILURE -#define EXIT_FAILURE 1 -#endif +if /darwin/ =~ RUBY_PLATFORM + # For IPv6 extension header access on OS X 10.7+ [Bug #8517] + $CFLAGS << " -D__APPLE_USE_RFC_3542" +end -#ifndef AF_LOCAL -#define AF_LOCAL AF_UNIX -#endif +headers = [] +unless $mswin or $mingw + headers = %w<sys/types.h netdb.h string.h sys/socket.h netinet/in.h> +end -int -main(void) -{ - int passive, gaierr, inet4 = 0, inet6 = 0; - struct addrinfo hints, *ai, *aitop; - char straddr[INET6_ADDRSTRLEN], strport[16]; -#ifdef _WIN32 - WSADATA retdata; +%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 + 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 +].each {|h| + if have_header(h, headers) + headers << h + end +} - WSAStartup(MAKEWORD(2, 0), &retdata); -#endif +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 - for (passive = 0; passive <= 1; passive++) { - memset(&hints, 0, sizeof(hints)); - hints.ai_family = AF_UNSPEC; - hints.ai_protocol = IPPROTO_TCP; - hints.ai_flags = passive ? AI_PASSIVE : 0; - hints.ai_socktype = SOCK_STREAM; - if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { - (void)gai_strerror(gaierr); - goto bad; - } - for (ai = aitop; ai; ai = ai->ai_next) { - if (ai->ai_family == AF_LOCAL) continue; - if (ai->ai_addr == NULL) - goto bad; -#if defined(_AIX) - if (ai->ai_family == AF_INET6 && passive) { - inet6++; - continue; - } - ai->ai_addr->sa_len = ai->ai_addrlen; - ai->ai_addr->sa_family = ai->ai_family; -#endif - if (ai->ai_addrlen == 0 || - getnameinfo(ai->ai_addr, ai->ai_addrlen, - straddr, sizeof(straddr), strport, sizeof(strport), - NI_NUMERICHOST|NI_NUMERICSERV) != 0) { - goto bad; - } - if (strcmp(strport, "54321") != 0) { - goto bad; - } - switch (ai->ai_family) { - case AF_INET: - if (passive) { - if (strcmp(straddr, "0.0.0.0") != 0) { - goto bad; - } - } else { - if (strcmp(straddr, "127.0.0.1") != 0) { - goto bad; - } - } - inet4++; - break; - case AF_INET6: - if (passive) { - if (strcmp(straddr, "::") != 0) { - goto bad; - } - } else { - if (strcmp(straddr, "::1") != 0) { - goto bad; - } - } - inet6++; - break; - case AF_UNSPEC: - goto bad; - break; - default: - /* another family support? */ - break; - } - } - } +if have_type("struct sockaddr_un", headers) # POSIX + have_struct_member("struct sockaddr_un", "sun_len", headers) # 4.4BSD +end - if (!(inet4 == 0 || inet4 == 2)) - goto bad; - if (!(inet6 == 0 || inet6 == 2)) - goto bad; +have_type("struct sockaddr_dl", headers) # AF_LINK address. 4.4BSD since Net2 - if (aitop) - freeaddrinfo(aitop); - return EXIT_SUCCESS; +have_type("struct sockaddr_storage", headers) - bad: - if (aitop) - freeaddrinfo(aitop); - return EXIT_FAILURE; +have_type("struct addrinfo", headers) + +if have_type("socklen_t", headers) + if try_static_assert("sizeof(socklen_t) >= sizeof(long)", headers) + $defs << "-DRSTRING_SOCKLEN=(socklen_t)RSTRING_LEN" + end +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" } -EOF -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. -EOS +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 with_config("lookup-order-hack", "UNSPEC") -when "INET" - $defs << "-DLOOKUP_ORDER_HACK_INET" -when "INET6" - $defs << "-DLOOKUP_ORDER_HACK_INET6" -when "UNSPEC" - # nothing special +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 - abort <<EOS - -Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC) -EOS + 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 -have_type("struct addrinfo", headers) -have_func("freehostent") -have_func("freeaddrinfo") -if /haiku/ !~ RUBY_PLATFORM and have_func("gai_strerror") - if checking_for("gai_strerror() returns const pointer") {!try_compile(<<EOF)} +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 @@ -393,109 +465,218 @@ conftest_gai_strerror_is_const() *gai_strerror(0) = 0; } EOF - $defs << "-DGAI_STRERROR_CONST" + $defs << "-DGAI_STRERROR_CONST" + end end -end -have_func("accept4") - -$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}" -] - -if getaddr_info_ok == :wide or - !have_func("getnameinfo", headers) or !have_func("getaddrinfo", headers) - if have_struct_member("struct in6_addr", "s6_addr8", headers) - $defs[-1] = "s6_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 + have_func("accept4", headers) -have_func('inet_ntop(0, (const void *)0, (char *)0, 0)') or - have_func("inet_ntoa(*(struct in_addr *)NULL)") -have_func('inet_pton(0, "", (void *)0)') or have_func('inet_aton("", (struct in_addr *)0)') -have_func('getservbyport(0, "")') -have_header("arpa/nameser.h") -have_header("resolv.h") + 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 -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("getpeereid", headers) -have_header("sys/param.h", headers) -have_header("sys/ucred.h", headers) + have_func("getpeerucred(0, (ucred_t **)NULL)", headers) # SunOS -unless have_type("socklen_t", headers) - $defs << "-Dsocklen_t=int" -end + 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_header("sys/un.h") -have_header("sys/uio.h") -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_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 -have_type("struct sockcred", headers) -have_type("struct cmsgcred", headers) + 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 -have_func("getpeereid") + if ipv6 + if $mingw + $CPPFLAGS << " -D_WIN32_WINNT=0x501" unless $CPPFLAGS.include?("_WIN32_WINNT") + end + ipv6lib = nil + class << (fmt = "unknown") + def %(s) s || self end + end + idirs, ldirs = dir_config("inet6", %w[/usr/inet6 /usr/local/v6].find {|d| File.directory?(d)}) + checking_for("ipv6 type", fmt) do + if have_macro("IPV6_INRIA_VERSION", "netinet/in.h") + "inria" + elsif have_macro("__KAME__", "netinet/in.h") + have_library(ipv6lib = "inet6") + "kame" + elsif have_macro("_TOSHIBA_INET6", "sys/param.h") + have_library(ipv6lib = "inet6") and "toshiba" + elsif have_macro("__V6D__", "sys/v6config.h") + have_library(ipv6lib = "v6") and "v6d" + elsif have_macro("_ZETA_MINAMI_INET6", "sys/param.h") + have_library(ipv6lib = "inet6") and "zeta" + elsif have_library("inet6") + "inet6" + end + end or not ipv6lib or abort <<EOS -have_header("ucred.h", headers) -have_func("getpeerucred") +Fatal: no #{ipv6lib} library found. cannot continue. +You need to fetch lib#{ipv6lib}.a from appropriate +ipv6 kit and compile beforehand. +EOS + end + + if !have_macro("IPPROTO_IPV6", headers) && have_const("IPPROTO_IPV6", headers) + IO.read(File.join(File.dirname(__FILE__), "mkconstants.rb")).sub(/\A.*^__END__$/m, '').split(/\r?\n/).grep(/\AIPPROTO_\w*/){$&}.each {|name| + have_const(name, headers) unless $defs.include?("-DHAVE_CONST_#{name.upcase}") + } + end -have_func("if_indextoname") + 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 -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 + 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 || $mswin || + checking_for("system getaddrinfo working") { + try_run(cpp_include(headers) + GETADDRINFO_GETNAMEINFO_TEST) + } + getaddr_info_ok = :os + end + end + else + raise "unexpected enable_config() value" + end -# workaround for recent Windows SDK -$defs << "-DIPPROTO_IPV6=IPPROTO_IPV6" if $defs.include?("-DHAVE_CONST_IPPROTO_IPV6") && !have_macro("IPPROTO_IPV6") + if ipv6 and not getaddr_info_ok + abort <<EOS -$distcleanfiles << "constants.h" << "constdefs.*" +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 + + 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 -if have_func(test_func) - have_func("hsterror") - have_func("getipnodebyname") or have_func("gethostbyname2") - if !have_func("socketpair(0, 0, 0, 0)") and have_func("rb_w32_socketpair(0, 0, 0, 0)") - $defs << "-Dsocketpair(a,b,c,d)=rb_w32_socketpair((a),(b),(c),(d))" - $defs << "-DHAVE_SOCKETPAIR" +Fatal: invalid value for --with-lookup-order-hack (expected INET, INET6 or UNSPEC) +EOS end - unless have_func("gethostname((char *)0, 0)") - 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" + if /darwin/ =~ RUBY_PLATFORM and !try_compile(<<"SRC", nil, :werror=>true) +#include <netinet/in.h> +int t(struct in6_addr *addr) {return IN6_IS_ADDR_UNSPECIFIED(addr);} +SRC + print "fixing apple's netinet6/in6.h ..."; $stdout.flush + in6 = File.read("/usr/include/#{hdr}") + 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)) + open(hdr, "w") {|f| f.write(in6)} + $distcleanfiles << hdr + $distcleandirs << File.dirname(hdr) + puts "done" + else + puts "not needed" + end + end create_makefile("socket") end diff --git a/ext/socket/getaddrinfo.c b/ext/socket/getaddrinfo.c index aa966b3c52..ce6dc40478 100644 --- a/ext/socket/getaddrinfo.c +++ b/ext/socket/getaddrinfo.c @@ -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> @@ -66,6 +62,9 @@ #endif #include <unistd.h> #else +#if defined(_MSC_VER) && _MSC_VER <= 1200 +#include <windows.h> +#endif #include <winsock2.h> #include <ws2tcpip.h> #include <io.h> @@ -80,6 +79,10 @@ #include <socks.h> #endif +#ifndef HAVE_TYPE_SOCKLEN_T +typedef int socklen_t; +#endif + #include "addrinfo.h" #include "sockport.h" @@ -146,6 +149,7 @@ static int get_addr __P((const char *, int, struct addrinfo **, 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 */ @@ -163,6 +167,7 @@ static const char *const ai_errlist[] = { "resolved protocol is unknown.", /* EAI_PROTOCOL */ "unknown error.", /* EAI_MAX */ }; +#endif #define GET_CANONNAME(ai, str) \ if (pai->ai_flags & AI_CANONNAME) {\ @@ -184,9 +189,9 @@ if (pai->ai_flags & AI_CANONNAME) {\ }\ 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;\ + (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);\ @@ -432,11 +437,8 @@ getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *h 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); @@ -589,6 +591,7 @@ get_addr(const char *hostname, int af, struct addrinfo **res, struct addrinfo *p } else hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error); #else + if (strlen(hostname) >= NI_MAXHOST) ERR(EAI_NODATA); hp = gethostbyname((char*)hostname); h_error = h_errno; #endif diff --git a/ext/socket/getnameinfo.c b/ext/socket/getnameinfo.c index d1d5ff6c73..94a5eb9439 100644 --- a/ext/socket/getnameinfo.c +++ b/ext/socket/getnameinfo.c @@ -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> @@ -59,6 +55,9 @@ #endif #endif #ifdef _WIN32 +#if defined(_MSC_VER) && _MSC_VER <= 1200 +#include <windows.h> +#endif #include <winsock2.h> #include <ws2tcpip.h> #define snprintf _snprintf @@ -71,8 +70,13 @@ #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 @@ -114,24 +118,6 @@ static struct afd { #define ENI_FAMILY 5 #define ENI_SALEN 6 -#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, socklen_t salen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags) { @@ -151,8 +137,8 @@ getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, socklen_t ho if (sa == NULL) return ENI_NOSOCKET; - len = SA_LEN(sa); - if (len != salen) return ENI_SALEN; + if (!VALIDATE_SOCKLEN(sa, salen)) return ENI_SALEN; + len = salen; family = sa->sa_family; for (i = 0; afdl[i].a_af; i++) diff --git a/ext/socket/ifaddr.c b/ext/socket/ifaddr.c new file mode 100644 index 0000000000..1da259bd6f --- /dev/null +++ b/ext/socket/ifaddr.c @@ -0,0 +1,478 @@ +#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_. + */ + +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 696b62d82a..359696e626 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; @@ -29,34 +33,39 @@ VALUE rb_cSOCKSSocket; #endif int rsock_do_not_reverse_lookup = 1; +static VALUE sym_wait_readable; void rsock_raise_socket_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)); + rb_exc_raise(rb_exc_new_str(rb_eSocket, msg)); +#else rb_raise(rb_eSocket, "%s: %s", reason, gai_strerror(error)); +#endif } +#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; -#ifndef _WIN32 - struct stat sbuf; - if (fstat(fd, &sbuf) < 0) - rb_sys_fail(0); - rb_update_max_fd(fd); - if (!S_ISSOCK(sbuf.st_mode)) - rb_raise(rb_eArgError, "not a socket file descriptor"); -#else rb_update_max_fd(fd); - if (!rb_w32_is_socket(fd)) - rb_raise(rb_eArgError, "not a socket file descriptor"); -#endif - MakeOpenFile(sock, fp); fp->fd = fd; fp->mode = FMODE_READWRITE|FMODE_DUPLEX; @@ -74,8 +83,10 @@ 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 @@ -83,68 +94,107 @@ 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 { 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_thread_io_blocking_region(recvfrom_blocking, arg, arg->fd); } 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.fd = fptr->fd; arg.alen = (socklen_t)sizeof(arg.buf); + arg.str = str; + arg.length = buflen; + + while (true) { + rb_io_check_closed(fptr); - arg.str = str = rb_tainted_str_new(0, buflen); - klass = RBASIC(str)->klass; - RBASIC(str)->klass = 0; +#ifdef RSOCK_WAIT_BEFORE_BLOCKING + rb_io_wait(fptr->self, RB_INT2NUM(RUBY_IO_READABLE), Qnil); +#endif + + slen = (long)rb_str_locktmp_ensure(str, recvfrom_locktmp, (VALUE)&arg); + + if (slen >= 0) break; - while (rb_io_check_closed(fptr), - rb_thread_wait_fd(arg.fd), - (slen = BLOCKING_REGION_FD(recvfrom_blocking, &arg)) < 0) { - if (!rb_io_wait_readable(fptr->fd)) { + if (!rb_io_maybe_wait_readable(errno, socket, Qnil)) rb_sys_fail("recvfrom(2)"); - } - if (RBASIC(str)->klass || RSTRING_LEN(str) != buflen) { - rb_raise(rb_eRuntimeError, "buffer string modified"); - } } - RBASIC(str)->klass = klass; - if (slen < RSTRING_LEN(str)) { - rb_str_set_len(str, slen); - } - 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; @@ -155,39 +205,37 @@ rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from) } #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)); + 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 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"); } } 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; + union_sockaddr buf; socklen_t alen = (socklen_t)sizeof buf; - VALUE len, flg; 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. @@ -201,37 +249,43 @@ rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type } 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) { - switch (errno) { + int e = errno; + switch (e) { case EAGAIN: #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN case EWOULDBLOCK: #endif - rb_mod_sys_fail(rb_mWaitReadable, "recvfrom(2) would block"); + if (ex == Qfalse) + return sym_wait_readable; + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, e, "recvfrom(2) would block"); } - rb_sys_fail("recvfrom(2)"); + rb_syserr_fail(e, "recvfrom(2)"); } - if (slen < RSTRING_LEN(str)) { + 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: @@ -240,36 +294,136 @@ rsock_s_recvfrom_nonblock(VALUE sock, int argc, VALUE *argv, enum sock_recv_type return rb_assoc_new(str, addr); } -static int -rsock_socket0(int domain, int type, int proto) +#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 ret; + 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; +} -#ifdef SOCK_CLOEXEC - static int try_sock_cloexec = 1; - if (try_sock_cloexec) { - ret = socket(domain, type|SOCK_CLOEXEC, proto); - if (ret == -1 && errno == EINVAL) { - /* SOCK_CLOEXEC is available since Linux 2.6.27. Linux 2.6.18 fails with EINVAL */ - ret = socket(domain, type, proto); - if (ret != -1) { - try_sock_cloexec = 0; - } - } +/* :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; } - else { - ret = socket(domain, type, proto); + + 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); + } } -#else - ret = socket(domain, type, proto); + 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 (ret == -1) + 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(ret); + rb_fd_fix_cloexec(result); - return ret; +#ifndef SOCK_NONBLOCK + rsock_make_fd_nonblock(result); +#endif + return result; } int @@ -279,8 +433,7 @@ rsock_socket(int domain, int type, int proto) fd = rsock_socket0(domain, type, proto); if (fd < 0) { - if (errno == EMFILE || errno == ENFILE) { - rb_gc(); + if (rb_gc_for_fd(errno)) { fd = rsock_socket0(domain, type, proto); } } @@ -289,68 +442,94 @@ rsock_socket(int domain, int type, int proto) return fd; } +/* emulate blocking connect behavior on EINTR or non-blocking socket */ static int -wait_connectable(int fd) +wait_connectable(int fd, struct timeval *timeout) { - int sockerr; + int sockerr, revents; socklen_t sockerrlen; - int revents; - int ret; - - for (;;) { - /* - * Stevens book says, succuessful finish turn on RB_WAITFD_OUT and - * failure finish turn on both RB_WAITFD_IN and RB_WAITFD_OUT. - */ - revents = rb_wait_for_single_fd(fd, RB_WAITFD_IN|RB_WAITFD_OUT, NULL); - - if (revents & (RB_WAITFD_IN|RB_WAITFD_OUT)) { - sockerrlen = (socklen_t)sizeof(sockerr); - ret = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - - /* - * Solaris getsockopt(SO_ERROR) return -1 and set errno - * in getsockopt(). Let's return immediately. - */ - if (ret < 0) - break; - if (sockerr == 0) - continue; /* workaround for winsock */ - - /* BSD and Linux use sockerr. */ - errno = sockerr; - ret = -1; - break; - } - if ((revents & (RB_WAITFD_IN|RB_WAITFD_OUT)) == RB_WAITFD_OUT) { - ret = 0; - break; - } + sockerrlen = (socklen_t)sizeof(sockerr); + if (getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen) < 0) + 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; } - return ret; -} + /* + * 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 + */ + revents = rb_wait_for_single_fd(fd, RB_WAITFD_IN|RB_WAITFD_OUT, timeout); + + if (revents < 0) + return -1; + + 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() + */ + + /* when the connection timed out, no errno is set and revents is 0. */ + if (timeout && revents == 0) { + errno = ETIMEDOUT; + return -1; + } + 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 @@ -370,16 +549,11 @@ socks_connect_blocking(void *data) #endif int -rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks) +rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks, struct timeval *timeout) { int status; 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 arg.fd = fd; arg.sockaddr = sockaddr; @@ -387,137 +561,88 @@ rsock_connect(int fd, const struct sockaddr *sockaddr, int len, int socks) #if defined(SOCKS) && !defined(SOCKS5) if (socks) func = socks_connect_blocking; #endif - for (;;) { - status = (int)BLOCKING_REGION_FD(func, &arg); - if (status < 0) { - switch (errno) { - case EINTR: -#if defined(ERESTART) - case ERESTART: -#endif - continue; + status = (int)BLOCKING_REGION_FD(func, &arg); - case EAGAIN: -#ifdef EINPROGRESS - case EINPROGRESS: -#endif -#if WAIT_IN_PROGRESS > 0 - sockerrlen = (socklen_t)sizeof(sockerr); - status = getsockopt(fd, SOL_SOCKET, SO_ERROR, (void *)&sockerr, &sockerrlen); - if (status) break; - if (sockerr) { - status = -1; - errno = sockerr; - break; - } -#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 = (socklen_t)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; + if (status < 0) { + switch (errno) { + case EINTR: +#ifdef ERESTART + case ERESTART: #endif - -#ifdef EISCONN - case EISCONN: - status = 0; - errno = 0; - break; + case EAGAIN: +#ifdef EINPROGRESS + case EINPROGRESS: #endif - default: - break; - } - } - return status; + return wait_connectable(fd, timeout); + } } + 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) { - int ret; + socklen_t len0 = 0; + if (address_len) len0 = *address_len; + #ifdef HAVE_ACCEPT4 - static int try_accept4 = 1; - if (try_accept4) { - ret = accept4(socket, address, address_len, SOCK_CLOEXEC); - /* accept4 is available since Linux 2.6.28, glibc 2.10. */ - if (ret != -1) { - if (ret <= 2) - rb_maygvl_fd_fix_cloexec(ret); - return ret; - } - if (errno == ENOSYS) { - try_accept4 = 0; - ret = accept(socket, address, address_len); - } - } - else { - ret = accept(socket, address, address_len); - } + 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 - ret = accept(socket, address, address_len); + 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 (ret == -1) return -1; - rb_maygvl_fd_fix_cloexec(ret); - return ret; -} + 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 = cloexec_accept(fptr->fd, (struct sockaddr*)sockaddr, len); if (fd2 < 0) { - switch (errno) { + int e = errno; + switch (e) { case EAGAIN: #if defined(EWOULDBLOCK) && EWOULDBLOCK != EAGAIN case EWOULDBLOCK: @@ -526,12 +651,13 @@ rsock_s_accept_nonblock(VALUE klass, rb_io_t *fptr, struct sockaddr *sockaddr, s #if defined EPROTO case EPROTO: #endif - rb_mod_sys_fail(rb_mWaitReadable, "accept(2) would block"); + if (ex == Qfalse) + return sym_wait_readable; + rb_readwrite_syserr_fail(RB_IO_WAIT_READABLE, e, "accept(2) would block"); } - rb_sys_fail("accept(2)"); + rb_syserr_fail(e, "accept(2)"); } rb_update_max_fd(fd2); - make_fd_nonblock(fd2); return rsock_init_sock(rb_obj_alloc(klass), fd2); } @@ -549,54 +675,85 @@ accept_blocking(void *data) } 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 = (int)BLOCKING_REGION_FD(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)BLOCKING_REGION_FD(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, Qnil)) break; + retry = 0; + goto retry; + } + + rb_syserr_fail(error, "accept(2)"); } - rb_update_max_fd(fd2); - 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; + 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; } void -rsock_init_socket_init() +rsock_init_socket_init(void) { /* * SocketError is the error class for socket. @@ -612,5 +769,13 @@ rsock_init_socket_init() rsock_init_sockopt(); rsock_init_ancdata(); rsock_init_addrinfo(); + rsock_init_sockifaddr(); rsock_init_socket_constants(); + +#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 6ca0c0cc71..b5cdc60080 100644 --- a/ext/socket/ipsocket.c +++ b/ext/socket/ipsocket.c @@ -15,21 +15,24 @@ struct inetsock_arg VALUE sock; struct { VALUE host, serv; - struct addrinfo *res; + struct rb_addrinfo *res; } remote, local; int type; int fd; + VALUE resolv_timeout; + VALUE connect_timeout; }; 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); + rb_freeaddrinfo(arg->remote.res); arg->remote.res = 0; } if (arg->local.res) { - freeaddrinfo(arg->local.res); + rb_freeaddrinfo(arg->local.res); arg->local.res = 0; } if (arg->fd >= 0) { @@ -39,33 +42,63 @@ inetsock_cleanup(struct inetsock_arg *arg) } static VALUE -init_inetsock_internal(struct inetsock_arg *arg) +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 fd, status = 0, local = 0; + int family = AF_UNSPEC; const char *syscall = 0; + VALUE connect_timeout = arg->connect_timeout; + struct timeval tv_storage; + struct timeval *tv = NULL; + + if (!NIL_P(connect_timeout)) { + tv_storage = rb_time_interval(connect_timeout); + tv = &tv_storage; + } + + arg->remote.res = rsock_addrinfo(arg->remote.host, arg->remote.serv, + family, SOCK_STREAM, + (type == INET_SERVER) ? AI_PASSIVE : 0); + - 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); } arg->fd = fd = -1; - for (res = arg->remote.res; res; res = res->ai_next) { + for (res = arg->remote.res->ai; res; res = res->ai_next) { #if !defined(INET6) && defined(AF_INET6) 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)"; fd = status; if (fd < 0) { + error = errno; continue; } arg->fd = fd; @@ -79,19 +112,26 @@ init_inetsock_internal(struct inetsock_arg *arg) syscall = "bind(2)"; } else { - if (arg->local.res) { - status = bind(fd, arg->local.res->ai_addr, arg->local.res->ai_addrlen); + if (lres) { +#if !defined(_WIN32) && !defined(__CYGWIN__) + status = 1; + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, + (char*)&status, (socklen_t)sizeof(status)); +#endif + status = bind(fd, lres->ai_addr, lres->ai_addrlen); + local = status; syscall = "bind(2)"; } if (status >= 0) { status = rsock_connect(fd, res->ai_addr, res->ai_addrlen, - (type == INET_SOCKS)); + (type == INET_SOCKS), tv); syscall = "connect(2)"; } } if (status < 0) { + error = errno; close(fd); arg->fd = fd = -1; continue; @@ -99,7 +139,17 @@ init_inetsock_internal(struct inetsock_arg *arg) 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; @@ -107,8 +157,9 @@ init_inetsock_internal(struct inetsock_arg *arg) if (type == INET_SERVER) { status = listen(fd, SOMAXCONN); if (status < 0) { + error = errno; close(fd); - rb_sys_fail("listen(2)"); + rb_syserr_fail(error, "listen(2)"); } } @@ -118,7 +169,8 @@ init_inetsock_internal(struct inetsock_arg *arg) VALUE rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, - VALUE local_host, VALUE local_serv, int type) + VALUE local_host, VALUE local_serv, int type, + VALUE resolv_timeout, VALUE connect_timeout) { struct inetsock_arg arg; arg.sock = sock; @@ -130,6 +182,8 @@ rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv, arg.local.res = 0; arg.type = type; arg.fd = -1; + arg.resolv_timeout = resolv_timeout; + arg.connect_timeout = connect_timeout; return rb_ensure(init_inetsock_internal, (VALUE)&arg, inetsock_cleanup, (VALUE)&arg); } @@ -159,6 +213,43 @@ rsock_revlookup_flag(VALUE revlookup, int *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([reverse_lookup]) => [address_family, port, hostname, numeric_address] * * Returns the local address as an array which contains @@ -167,8 +258,8 @@ rsock_revlookup_flag(VALUE revlookup, int *norevlookup) * 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 same as numeric_address. - * Or if it is +nil+ or ommitted, obeys to +ipsocket.do_not_reverse_lookup+. + * 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| @@ -184,7 +275,7 @@ static VALUE ip_addr(int argc, VALUE *argv, VALUE sock) { rb_io_t *fptr; - struct sockaddr_storage addr; + union_sockaddr addr; socklen_t len = (socklen_t)sizeof addr; int norevlookup; @@ -192,9 +283,9 @@ ip_addr(int argc, VALUE *argv, VALUE sock) if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup)) norevlookup = fptr->mode & FMODE_NOREVLOOKUP; - if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + if (getsockname(fptr->fd, &addr.addr, &len) < 0) rb_sys_fail("getsockname(2)"); - return rsock_ipaddr((struct sockaddr*)&addr, norevlookup); + return rsock_ipaddr(&addr.addr, len, norevlookup); } /* @@ -208,13 +299,13 @@ ip_addr(int argc, VALUE *argv, VALUE sock) * 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 same as numeric_address. - * Or if it is +nil+ or ommitted, obeys to +ipsocket.do_not_reverse_lookup+. + * 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, "221.186.184.68", "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"] @@ -225,7 +316,7 @@ static VALUE ip_peeraddr(int argc, VALUE *argv, VALUE sock) { rb_io_t *fptr; - struct sockaddr_storage addr; + union_sockaddr addr; socklen_t len = (socklen_t)sizeof addr; int norevlookup; @@ -233,9 +324,9 @@ ip_peeraddr(int argc, VALUE *argv, VALUE sock) if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup)) norevlookup = fptr->mode & FMODE_NOREVLOOKUP; - if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0) + if (getpeername(fptr->fd, &addr.addr, &len) < 0) rb_sys_fail("getpeername(2)"); - return rsock_ipaddr((struct sockaddr*)&addr, norevlookup); + return rsock_ipaddr(&addr.addr, len, norevlookup); } /* @@ -250,7 +341,7 @@ ip_peeraddr(int argc, VALUE *argv, 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) @@ -271,6 +362,8 @@ ip_recvfrom(int argc, VALUE *argv, VALUE sock) * * Lookups the IP address of _host_. * + * require 'socket' + * * IPSocket.getaddress("localhost") #=> "127.0.0.1" * IPSocket.getaddress("ip6-localhost") #=> "::1" * @@ -278,14 +371,15 @@ 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); + 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); } void @@ -297,6 +391,7 @@ rsock_init_ipsocket(void) * IPSocket is the super class of TCPSocket and UDPSocket. */ rb_cIPSocket = rb_define_class("IPSocket", rb_cBasicSocket); + 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); diff --git a/ext/socket/lib/socket.rb b/ext/socket/lib/socket.rb index 10ab13b953..d756a32a5a 100644 --- a/ext/socket/lib/socket.rb +++ b/ext/socket/lib/socket.rb @@ -1,4 +1,7 @@ +# frozen_string_literal: true + require 'socket.so' +require 'io/wait' class Addrinfo # creates an Addrinfo object from the arguments. @@ -50,30 +53,31 @@ class Addrinfo sock.ipv6only! if self.ipv6? sock.bind local_addrinfo if local_addrinfo if timeout - begin - sock.connect_nonblock(self) - rescue IO::WaitWritable - if !IO.select(nil, [sock], nil, 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' - end - begin - sock.connect_nonblock(self) # check connection failure - rescue Errno::EISCONN - end - end + end while true else sock.connect(self) end - 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 - private :connect_internal + protected :connect_internal # :call-seq: # addrinfo.connect_from([local_addr_args], [opts]) {|socket| ... } @@ -106,10 +110,8 @@ class Addrinfo # puts s.read # } # - def connect_from(*args, &block) - opts = Hash === args.last ? args.pop : {} - local_addr_args = args - connect_internal(family_addrinfo(*local_addr_args), opts[:timeout], &block) + def connect_from(*args, timeout: nil, &block) + connect_internal(family_addrinfo(*args), timeout, &block) end # :call-seq: @@ -131,8 +133,8 @@ class Addrinfo # puts s.read # } # - def connect(opts={}, &block) - connect_internal(nil, opts[:timeout], &block) + def connect(timeout: nil, &block) + connect_internal(nil, timeout, &block) end # :call-seq: @@ -154,11 +156,9 @@ class Addrinfo # puts s.read # } # - def connect_to(*args, &block) - opts = Hash === args.last ? args.pop : {} - remote_addr_args = args - remote_addrinfo = family_addrinfo(*remote_addr_args) - remote_addrinfo.send(:connect_internal, self, opts[:timeout], &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. @@ -177,13 +177,18 @@ 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 @@ -195,13 +200,18 @@ class Addrinfo sock.setsockopt(:SOCKET, :REUSEADDR, 1) 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 @@ -213,8 +223,8 @@ 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 @@ -260,6 +270,192 @@ class BasicSocket < IO 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 + # 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 + # * +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 < BasicSocket @@ -270,6 +466,133 @@ class Socket < BasicSocket 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#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 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 + # :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]) @@ -283,16 +606,12 @@ class Socket < BasicSocket # _opts_ may have following options: # # [:connect_timeout] specify the timeout in seconds. + # [:resolv_timeout] specify the name resolution timeout in seconds. # # 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. # - # The optional last argument _opts_ is options represented by a hash. - # _opts_ may have following options: - # - # [:timeout] specify the timeout in seconds. - # # If no block is given, the socket is returned. # # Socket.tcp("www.ruby-lang.org", 80) {|sock| @@ -301,31 +620,26 @@ class Socket < BasicSocket # puts sock.read # } # - def self.tcp(host, port, *rest) # :yield: socket - opts = Hash === rest.last ? rest.pop : {} - raise ArgumentError, "wrong number of arguments (#{rest.length} for 2)" if 2 < rest.length - local_host, local_port = rest + def self.tcp(host, port, local_host = nil, local_port = nil, connect_timeout: nil, resolv_timeout: nil) # :yield: socket last_error = nil ret = nil - connect_timeout = opts[:connect_timeout] - local_addr_list = nil if local_host != nil || local_port != nil local_addr_list = Addrinfo.getaddrinfo(local_host, local_port, nil, :STREAM, nil) end - Addrinfo.foreach(host, port, nil, :STREAM) {|ai| + Addrinfo.foreach(host, port, nil, :STREAM, timeout: resolv_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, :timeout => connect_timeout) : - ai.connect(:timeout => connect_timeout) + ai.connect_from(local_addr, timeout: connect_timeout) : + ai.connect(timeout: connect_timeout) rescue SystemCallError last_error = $! next @@ -333,7 +647,7 @@ class Socket < BasicSocket ret = sock break } - if !ret + unless ret if last_error raise last_error else @@ -344,7 +658,7 @@ class Socket < BasicSocket begin yield ret ensure - ret.close if !ret.closed? + ret.close end else ret @@ -353,8 +667,9 @@ class Socket < BasicSocket # :stopdoc: def self.ip_sockets_port0(ai_list, reuseaddr) + sockets = [] begin - sockets = [] + sockets.clear port = nil ai_list.each {|ai| begin @@ -367,7 +682,7 @@ class Socket < BasicSocket if reuseaddr s.setsockopt(:SOCKET, :REUSEADDR, 1) end - if !port + unless port s.bind(ai) port = s.local_address.ip_port else @@ -375,14 +690,13 @@ class Socket < BasicSocket 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 @@ -391,12 +705,15 @@ class Socket < BasicSocket 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(Socket::SOMAXCONN) - } + 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 @@ -413,7 +730,7 @@ class Socket < BasicSocket # 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. @@ -425,7 +742,7 @@ class Socket < BasicSocket # #=> #<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> @@ -440,9 +757,9 @@ class Socket < BasicSocket 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 @@ -455,15 +772,16 @@ class Socket < BasicSocket 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 @@ -487,11 +805,8 @@ class Socket < BasicSocket 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 } } @@ -555,8 +870,8 @@ class Socket < BasicSocket # 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| @@ -585,18 +900,19 @@ class Socket < BasicSocket 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) @@ -627,7 +943,7 @@ class Socket < BasicSocket begin yield sockets ensure - sockets.each {|s| s.close if !s.closed? } if sockets + sockets.each(&:close) if sockets end else sockets @@ -655,11 +971,8 @@ class Socket < BasicSocket # def self.udp_server_recv(sockets) sockets.each {|r| - begin - msg, sender_addrinfo, _, *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) @@ -718,9 +1031,9 @@ class Socket < BasicSocket # UDP/IP address information used by Socket.udp_server_loop. class UDPSource - # +remote_adress+ is an Addrinfo object. + # +remote_address+ is an Addrinfo object. # - # +local_adress+ 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) @@ -736,7 +1049,7 @@ class Socket < BasicSocket attr_reader :local_address def inspect # :nodoc: - "\#<#{self.class}: #{@remote_address.inspect_sockaddr} to #{@local_address.inspect_sockaddr}>" + "\#<#{self.class}: #{@remote_address.inspect_sockaddr} to #{@local_address.inspect_sockaddr}>".dup end # Sends the String +msg+ to the source @@ -767,7 +1080,7 @@ class Socket < BasicSocket begin yield sock ensure - sock.close if !sock.closed? + sock.close end else sock @@ -791,26 +1104,38 @@ class Socket < BasicSocket # } # 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 + class << self + private + + def unix_socket_abstract_name?(path) + /linux/ =~ RUBY_PLATFORM && /\A(\0|\z)/ =~ path + end + end + # creates a UNIX socket server on _path_. # It calls the block for each socket accepted. # @@ -841,5 +1166,192 @@ class Socket < BasicSocket } 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#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 + # * +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 3b63c39eff..577958a358 100644 --- a/ext/socket/mkconstants.rb +++ b/ext/socket/mkconstants.rb @@ -1,3 +1,4 @@ +# frozen_string_literal: false require 'optparse' require 'erb' @@ -56,17 +57,12 @@ 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 @@ -77,8 +73,16 @@ def each_name(pat) } end -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") -% each_const {|guard, make_value, name, default_value| +erb_new = lambda do |src, safe, trim| + if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+ + ERB.new(src, trim_mode: trim) + else + ERB.new(src, safe, trim) + end +end + +erb_new.call(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") +% each_const {|guard, name, default_value| #if !defined(<%=name%>) # if defined(HAVE_CONST_<%=name.upcase%>) # define <%=name%> <%=name%> @@ -91,23 +95,23 @@ ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls") % } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs_in_guard(make_value, name, default_value)") +erb_new.call(<<'EOS', nil, '%').def_method(Object, "gen_const_defs_in_guard(name, default_value)") #if defined(<%=name%>) /* <%= COMMENTS[name] %> */ - rb_define_const(rb_cSocket, <%=c_str name%>, <%=make_value%>(<%=name%>)); + rb_define_const(rb_cSocket, <%=c_str name%>, INTEGER2NUM(<%=name%>)); /* <%= COMMENTS[name] %> */ - rb_define_const(rb_mSockConst, <%=c_str name%>, <%=make_value%>(<%=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', nil, '%').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 @@ -150,7 +154,7 @@ 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', nil, '%').def_method(Object, "gen_name_to_int_decl(funcname, pat, prefix_optional, guard=nil)") %if guard #ifdef <%=guard%> int <%=funcname%>(const char *str, long len, int *valp); @@ -160,7 +164,7 @@ 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', nil, '%').def_method(Object, "gen_name_to_int_func_in_guard(funcname, pat, prefix_optional, guard=nil)") int <%=funcname%>(const char *str, long len, int *valp) { @@ -176,12 +180,13 @@ 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', nil, '%').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)%> @@ -210,7 +215,7 @@ 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', nil, '%').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%> @@ -219,7 +224,7 @@ 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', nil, '%').def_method(Object, "gen_int_to_name_func(func_name, hash_var)") ID <%=func_name%>(int val) { @@ -230,7 +235,7 @@ ID } EOS -ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") +erb_new.call(<<'EOS', nil, '%').def_method(Object, "gen_int_to_name_decl(func_name, hash_var)") ID <%=func_name%>(int val); EOS @@ -279,11 +284,23 @@ 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', nil, '%').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) { @@ -310,7 +327,7 @@ init_constants(void) EOS -header_result = ERB.new(<<'EOS', nil, '%').result(binding) +header_result = erb_new.call(<<'EOS', nil, '%').result(binding) /* autogenerated file */ <%= gen_const_decls %> <%= NAME_TO_INT_DEFS.map {|decl, func| decl }.join("\n") %> @@ -341,6 +358,8 @@ SOCK_RAW nil A raw socket provides low-level access for direct access or impleme 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 @@ -380,6 +399,8 @@ 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 @@ -421,7 +442,34 @@ AF_E164 nil CCITT (ITU-T) E.164 recommendation PF_XTP nil eXpress Transfer Protocol PF_RTIP PF_PIP -PF_KEY +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 @@ -446,6 +494,7 @@ MSG_RST 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 @@ -532,6 +581,7 @@ IP_FREEBIND nil Allow binding to nonexistent IP addresses IP_IPSEC_POLICY nil IPsec security policy IP_XFRM_POLICY 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 @@ -560,6 +610,8 @@ 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 @@ -586,6 +638,7 @@ SO_SECURITY_ENCRYPTION_NETWORK 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) @@ -593,6 +646,21 @@ 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) SOPRI_INTERACTIVE nil Interactive socket priority SOPRI_NORMAL nil Normal socket priority @@ -602,21 +670,32 @@ IPX_TYPE TCP_NODELAY nil Don't delay sending to coalesce packets TCP_MAXSEG nil Set maximum segment size -TCP_CORK nil Don't send partial frames -TCP_DEFER_ACCEPT nil Don't notify a listening socket until data is ready -TCP_INFO nil Retrieve information about this socket -TCP_KEEPCNT nil Maximum number of keepalive probes allowed before dropping a connection -TCP_KEEPIDLE nil Idle time before keepalive probes are sent -TCP_KEEPINTVL nil Time between keepalive probes -TCP_LINGER2 nil Lifetime of orphaned FIN_WAIT2 sockets -TCP_MD5SIG nil Use MD5 digests (RFC2385) +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_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 -TCP_SYNCNT nil Number of SYN retransmits before a connection is dropped -TCP_WINDOW_CLAMP nil Clamp the size of the advertised window - -UDP_CORK nil Don't send partial frames +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 @@ -695,11 +774,72 @@ 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 e3e59cf0c5..4b33b3f1d3 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 @@ -61,9 +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_OF(obj, struct RObject, 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; } @@ -127,6 +172,7 @@ sockopt_optname_m(VALUE self) /* * call-seq: * sockopt.data => string + * sockopt.to_s => string * * returns the socket option data as a string. * @@ -143,6 +189,42 @@ 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. @@ -158,8 +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)); } /* @@ -179,9 +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); } @@ -193,6 +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> * @@ -207,7 +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)); } /* @@ -223,12 +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; } @@ -257,7 +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)); } /* @@ -280,9 +364,7 @@ sockopt_linger(VALUE self) 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)); + 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; @@ -293,6 +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) { @@ -307,6 +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) { @@ -403,6 +605,15 @@ inspect_timeval_as_interval(int level, int optname, VALUE data, VALUE ret) * (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 @@ -435,8 +646,8 @@ inspect_timeval_as_interval(int level, int optname, VALUE data, VALUE ret) * it is not distinguishable by the size. */ -#ifndef HAVE_INET_NTOP -static const char * +#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 @@ -451,8 +662,6 @@ inet_ntop(int af, const void *addr, char *numaddr, size_t numaddr_len) #endif return numaddr; } -#elif defined __MINGW64__ -# define inet_ntop(f,a,n,l) rb_w32_inet_ntop(f,a,n,l) #endif /* Although the buffer size needed depends on the prefixes, "%u" may generate "4294967295". */ @@ -601,6 +810,333 @@ inspect_ipv6_mreq(int level, int optname, VALUE data, VALUE ret) } #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 @@ -713,7 +1249,7 @@ sockopt_inspect(VALUE self) v = optname_to_sym(level, optname); if (SYMBOL_P(v)) - rb_str_catf(ret, " %s", rb_id2name(SYM2ID(v))); + rb_str_catf(ret, " %"PRIsVALUE, rb_sym2str(v)); else rb_str_catf(ret, " optname:%d", optname); } @@ -804,6 +1340,12 @@ sockopt_inspect(VALUE self) # 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 @@ -842,6 +1384,9 @@ 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 @@ -911,14 +1456,22 @@ rsock_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 6a5129efa8..d94e96a2bc 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 @@ -145,6 +145,34 @@ ruby_getaddrinfo__darwin(const char *nodename, const char *servname, #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 + #ifndef GETADDRINFO_EMU struct getaddrinfo_arg { @@ -157,30 +185,121 @@ struct getaddrinfo_arg static void * nogvl_getaddrinfo(void *arg) { + int ret; struct getaddrinfo_arg *ptr = arg; - return (void *)(VALUE)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; } #endif -int -rb_getaddrinfo(const char *node, const char *service, - const struct addrinfo *hints, - struct addrinfo **res) +static int +numeric_getaddrinfo(const char *node, const char *service, + const struct addrinfo *hints, + struct addrinfo **res) { -#ifdef GETADDRINFO_EMU - return getaddrinfo(node, service, hints, res); -#else - struct getaddrinfo_arg arg; - int ret; - MEMZERO(&arg, sizeof arg, 1); - arg.node = node; - arg.service = service; - arg.hints = hints; - arg.res = res; - ret = (int)(VALUE)rb_thread_call_without_gvl(nogvl_getaddrinfo, &arg, RUBY_UBF_IO, 0); - return ret; +#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) + 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); } #ifndef GETADDRINFO_EMU @@ -188,11 +307,11 @@ 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 void * @@ -229,35 +348,33 @@ rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, } static void -make_ipaddr0(struct sockaddr *addr, char *buf, size_t len) +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); } } 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(unsigned int 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 @@ -266,17 +383,21 @@ 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; } +#define str_equal(ptr, len, name) \ + ((ptr)[0] == name[0] && \ + rb_strlen_lit(name) == (len) && memcmp(ptr, name, len) == 0) + static char* -host_str(VALUE host, char *hbuf, size_t len, int *flags_ptr) +host_str(VALUE host, char *hbuf, size_t hbuflen, int *flags_ptr) { if (NIL_P(host)) { return NULL; @@ -284,67 +405,122 @@ host_str(VALUE host, char *hbuf, size_t len, int *flags_ptr) else if (rb_obj_is_kind_of(host, rb_cInteger)) { 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) +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* +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 = 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) { - 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; @@ -352,11 +528,47 @@ rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_h portp = port_str(port, pbuf, sizeof(pbuf), &additional_flags); if (socktype_hack && hints->ai_socktype == 0 && str_is_number(portp)) { - hints->ai_socktype = SOCK_DGRAM; + 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) { +#ifdef GETADDRINFO_EMU + error = getaddrinfo(hostp, portp, hints, &ai); +#else + struct getaddrinfo_arg arg; + MEMZERO(&arg, struct getaddrinfo_arg, 1); + arg.node = hostp; + arg.service = portp; + arg.hints = hints; + arg.res = &ai; + error = (int)(VALUE)rb_thread_call_without_gvl(nogvl_getaddrinfo, &arg, RUBY_UBF_IO, 0); +#endif + 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"); @@ -367,20 +579,33 @@ rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_h 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) { 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); } 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; @@ -399,13 +624,13 @@ rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup) 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); @@ -421,16 +646,21 @@ rsock_ipaddr(struct sockaddr *sockaddr, int norevlookup) } #ifdef HAVE_SYS_UN_H -VALUE -rsock_unixpath_str(struct sockaddr_un *sockaddr, socklen_t len) +static long +unixsocket_len(const struct sockaddr_un *su, socklen_t socklen) { - char *s, *e; - s = sockaddr->sun_path; - e = (char *)sockaddr + len; + const char *s = su->sun_path, *e = (const char*)su + socklen; while (s < e && *(e-1) == '\0') e--; - if (s <= e) - return rb_str_new(s, e-s); + 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 rb_str_new2(""); } @@ -441,20 +671,44 @@ rsock_unixaddr(struct sockaddr_un *sockaddr, socklen_t len) return rb_assoc_new(rb_str_new2("AF_UNIX"), 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; @@ -472,7 +726,8 @@ make_hostent_internal(struct hostent_arg *arg) } 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++) { @@ -493,14 +748,15 @@ make_hostent_internal(struct hostent_arg *arg) } VALUE -rsock_freeaddrinfo(struct addrinfo *addr) +rsock_freeaddrinfo(VALUE arg) { - freeaddrinfo(addr); + struct rb_addrinfo *addr = (struct rb_addrinfo *)arg; + rb_freeaddrinfo(addr); return Qnil; } VALUE -rsock_make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t)) +rsock_make_hostent(VALUE host, struct rb_addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, socklen_t)) { struct hostent_arg arg; @@ -518,17 +774,15 @@ typedef struct { int socktype; int protocol; socklen_t sockaddr_len; - struct sockaddr_storage addr; + union_sockaddr addr; } rb_addrinfo_t; static void addrinfo_mark(void *ptr) { rb_addrinfo_t *rai = ptr; - if (rai) { - rb_gc_mark(rai->inspectname); - rb_gc_mark(rai->canonname); - } + rb_gc_mark(rai->inspectname); + rb_gc_mark(rai->canonname); } #define addrinfo_free RUBY_TYPED_DEFAULT_FREE @@ -536,7 +790,7 @@ addrinfo_mark(void *ptr) static size_t addrinfo_memsize(const void *ptr) { - return ptr ? sizeof(rb_addrinfo_t) : 0; + return sizeof(rb_addrinfo_t); } static const rb_data_type_t addrinfo_type = { @@ -570,10 +824,9 @@ 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; @@ -610,12 +863,13 @@ rsock_addrinfo_new(struct sockaddr *addr, socklen_t len, 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); @@ -629,6 +883,7 @@ call_getaddrinfo(VALUE node, VALUE service, if (!NIL_P(flags)) { hints.ai_flags = NUM2INT(flags); } + res = rsock_getaddrinfo(node, service, &hints, socktype_hack); if (res == NULL) @@ -643,21 +898,21 @@ init_addrinfo_getaddrinfo(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(rai, res->ai->ai_addr, res->ai->ai_addrlen, NUM2INT(family), NUM2INT(socktype), NUM2INT(protocol), canonname, inspectname); - freeaddrinfo(res); + rb_freeaddrinfo(res); } static VALUE @@ -699,8 +954,6 @@ 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; @@ -713,42 +966,43 @@ 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); } @@ -759,7 +1013,7 @@ addrinfo_list_new(VALUE node, VALUE service, VALUE family, VALUE socktype, VALUE rb_ary_push(ret, addr); } - freeaddrinfo(res); + rb_freeaddrinfo(res); return ret; } @@ -769,6 +1023,7 @@ static void init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path, int socktype) { struct sockaddr_un un; + socklen_t len; StringValue(path); @@ -777,14 +1032,19 @@ init_unix_addrinfo(rb_addrinfo_t *rai, VALUE path, int socktype) "too long unix socket path (%"PRIuSIZE" bytes given but %"PRIuSIZE" bytes max)", (size_t)RSTRING_LEN(path), sizeof(un.sun_path)); - MEMZERO(&un, struct sockaddr_un, 1); - - 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, (socklen_t)sizeof(un), + len = rsock_unix_sockaddr_len(path); + init_addrinfo(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 /* @@ -904,7 +1164,7 @@ addrinfo_initialize(int argc, VALUE *argv, VALUE self) else { StringValue(sockaddr_arg); sockaddr_ptr = (struct sockaddr *)RSTRING_PTR(sockaddr_arg); - sockaddr_len = RSTRING_LENINT(sockaddr_arg); + sockaddr_len = RSTRING_SOCKLEN(sockaddr_arg); init_addrinfo(rai, sockaddr_ptr, sockaddr_len, i_pfamily, i_socktype, i_protocol, canonname, inspectname); @@ -914,52 +1174,80 @@ 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 ((socklen_t)((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 < (socklen_t)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]); - port = ntohs(addr->sin_port); - if (port) - rb_str_catf(ret, ":%d", port); - if ((socklen_t)sizeof(struct sockaddr_in) < rai->sockaddr_len) - rb_str_catf(ret, "(sockaddr %d bytes too long)", (int)(rai->sockaddr_len - sizeof(struct sockaddr_in))); - } + 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); + } + 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; } @@ -970,16 +1258,16 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) char hbuf[1024]; int port; int error; - if (rai->sockaddr_len < (socklen_t)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, + error = getnameinfo(&sockaddr->addr, socklen, hbuf, (socklen_t)sizeof(hbuf), NULL, 0, NI_NUMERICHOST|NI_NUMERICSERV); if (error) { @@ -992,8 +1280,8 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) port = ntohs(addr->sin6_port); rb_str_catf(ret, "[%s]:%d", hbuf, port); } - if ((socklen_t)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; } @@ -1002,18 +1290,17 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) #ifdef HAVE_SYS_UN_H case AF_UNIX: { - struct sockaddr_un *addr = (struct sockaddr_un *)&rai->addr; + 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; - while (s < e && *(e-1) == '\0') - e--; - 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) { printable_only = printable_only && ISPRINT(*p) && !ISSPACE(*p); @@ -1021,27 +1308,170 @@ inspect_sockaddr(VALUE addrinfo, VALUE ret) } if (printable_only) { /* only printable, no space */ if (s[0] != '/') /* relative path */ - rb_str_cat2(ret, "AF_UNIX "); + rb_str_cat2(ret, "UNIX "); rb_str_cat(ret, s, p - s); } else { - rb_str_cat2(ret, "AF_UNIX"); + 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; @@ -1142,8 +1572,8 @@ 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)); } @@ -1196,13 +1626,7 @@ addrinfo_mdump(VALUE self) #ifdef HAVE_SYS_UN_H case AF_UNIX: { - struct sockaddr_un *su = (struct sockaddr_un *)&rai->addr; - char *s, *e; - s = su->sun_path; - e = (char*)su + rai->sockaddr_len; - 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 @@ -1211,7 +1635,7 @@ addrinfo_mdump(VALUE self) { char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV]; int error; - error = getnameinfo((struct sockaddr *)&rai->addr, rai->sockaddr_len, + error = getnameinfo(&rai->addr.addr, rai->sockaddr_len, hbuf, (socklen_t)sizeof(hbuf), pbuf, (socklen_t)sizeof(pbuf), NI_NUMERICHOST|NI_NUMERICSERV); if (error) { @@ -1232,7 +1656,7 @@ addrinfo_mload(VALUE self, VALUE ary) VALUE v; VALUE canonname, inspectname; int afamily, pfamily, socktype, protocol; - struct sockaddr_storage ss; + union_sockaddr ss; socklen_t len; rb_addrinfo_t *rai; @@ -1296,8 +1720,7 @@ addrinfo_mload(VALUE self, VALUE ary) case AF_UNIX: { struct sockaddr_un uaddr; - MEMZERO(&uaddr, struct sockaddr_un, 1); - 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)) @@ -1314,23 +1737,24 @@ 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(rai, &ss.addr, len, pfamily, socktype, protocol, canonname, inspectname); return self; @@ -1417,7 +1841,6 @@ 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; } @@ -1425,7 +1848,7 @@ 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. * @@ -1558,7 +1981,7 @@ 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, + error = getnameinfo(&rai->addr.addr, rai->sockaddr_len, hbuf, (socklen_t)sizeof(hbuf), pbuf, (socklen_t)sizeof(pbuf), flags); if (error) { @@ -1649,14 +2072,14 @@ 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 @@ -1673,7 +2096,7 @@ 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; } @@ -1729,7 +2152,7 @@ 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; } /* @@ -1905,12 +2328,10 @@ 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, (socklen_t)sizeof(sin4), PF_INET, rai->socktype, rai->protocol, @@ -1938,28 +2359,27 @@ 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"); - addr = (struct sockaddr_un *)&rai->addr; + addr = &rai->addr.un; - s = addr->sun_path; - e = (char*)addr + rai->sockaddr_len; - if (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, (size_t)(s - (char *)addr)); - if (addr->sun_path + sizeof(addr->sun_path) < e) + (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)(e - addr->sun_path), sizeof(addr->sun_path)); - while (s < e && *(e-1) == '\0') - e--; - return rb_str_new(s, e-s); + (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, ...] @@ -2006,10 +2426,16 @@ addrinfo_unix_path(VALUE self) 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); } /* @@ -2097,7 +2523,6 @@ 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); return addr; } @@ -2114,6 +2539,19 @@ rsock_sockaddr_string_value(volatile VALUE *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) { @@ -2168,7 +2606,7 @@ rsock_io_socket_addrinfo(VALUE io, struct sockaddr *addr, socklen_t len) rb_raise(rb_eTypeError, "neither IO nor file descriptor"); } - UNREACHABLE; + UNREACHABLE_RETURN(Qnil); } /* @@ -2181,11 +2619,13 @@ rsock_init_addrinfo(void) * 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_cData); + id_timeout = rb_intern("timeout"); + + 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); diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h index 33cb51a5c9..c0d40addca 100644 --- a/ext/socket/rubysocket.h +++ b/ext/socket/rubysocket.h @@ -1,93 +1,168 @@ #ifndef RUBY_SOCKET_H #define RUBY_SOCKET_H 1 -#include "ruby/ruby.h" -#include "ruby/io.h" -#include "ruby/thread.h" -#include "ruby/util.h" -#include "internal.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 +# 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> +# 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 -#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> -#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> -#endif +# 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/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 /* @@ -99,73 +174,80 @@ */ #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)) +# 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 +typedef union { + struct sockaddr addr; + struct sockaddr_in in; +#ifdef AF_INET6 + struct sockaddr_in6 in6; +#endif +#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 __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) +# 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 - -#ifdef __BEOS__ -#undef close -#define close closesocket +# 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 @@ -175,6 +257,12 @@ 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; @@ -192,23 +280,23 @@ extern VALUE rb_eSocket; #ifdef SOCKS extern VALUE rb_cSOCKSSocket; -#ifdef SOCKS5 -#include <socks.h> -#else +# ifndef SOCKS5 void SOCKSinit(); int Rconnect(); -#endif +# endif #endif #include "constdefs.h" -#define BLOCKING_REGION(func, arg) (long)rb_thread_blocking_region((func), (arg), RUBY_UBF_IO, 0) #define BLOCKING_REGION_FD(func, arg) (long)rb_thread_io_blocking_region((func), (arg), (arg)->fd) #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)); @@ -220,32 +308,45 @@ 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); +struct rb_addrinfo *rsock_getaddrinfo(VALUE host, VALUE port, struct addrinfo *hints, int socktype_hack); + 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); int rsock_revlookup_flag(VALUE revlookup, int *norevlookup); #ifdef HAVE_SYS_UN_H 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 rsock_init_unixsock(VALUE sock, VALUE path, int server); struct rsock_send_arg { @@ -266,34 +367,41 @@ 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(int fd, const struct sockaddr *sockaddr, int len, int socks, struct timeval *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); #if defined(HAVE_SENDMSG) -VALUE rsock_bsock_sendmsg(int argc, VALUE *argv, VALUE sock); -VALUE rsock_bsock_sendmsg_nonblock(int argc, VALUE *argv, VALUE sock); +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(int argc, VALUE *argv, VALUE sock); -VALUE rsock_bsock_recvmsg_nonblock(int argc, VALUE *argv, VALUE sock); +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_ST_MSG_CONTROL +#ifdef HAVE_STRUCT_MSGHDR_MSG_CONTROL void rsock_discard_cmsg_resource(struct msghdr *mh, int msg_peek_p); #endif @@ -309,6 +417,46 @@ 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); + +#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) +#elif defined _MSC_VER && RUBY_MSVCRT_VERSION < 90 +const char *WSAAPI inet_ntop(int, const void *, char *, size_t); +#endif + #endif diff --git a/ext/socket/socket.c b/ext/socket/socket.c index 09c22d6d69..ccf990d11f 100644 --- a/ext/socket/socket.c +++ b/ext/socket/socket.c @@ -10,6 +10,100 @@ #include "rubysocket.h" +static VALUE sym_wait_writable; + +static VALUE sock_s_unpack_sockaddr_in(VALUE, VALUE); + +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); + + 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) { @@ -46,7 +140,6 @@ 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)"); @@ -58,7 +151,7 @@ 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 @@ -75,57 +168,47 @@ pair_yield(VALUE pair) #endif #if defined HAVE_SOCKETPAIR - static int -rsock_socketpair0(int domain, int type, int protocol, int sv[2]) +rsock_socketpair0(int domain, int type, int protocol, int descriptors[2]) { - int ret; - #ifdef SOCK_CLOEXEC - static int try_sock_cloexec = 1; - if (try_sock_cloexec) { - ret = socketpair(domain, type|SOCK_CLOEXEC, protocol, sv); - if (ret == -1 && errno == EINVAL) { - /* SOCK_CLOEXEC is available since Linux 2.6.27. Linux 2.6.18 fails with EINVAL */ - ret = socketpair(domain, type, protocol, sv); - if (ret != -1) { - /* The reason of EINVAL may be other than SOCK_CLOEXEC. - * So disable SOCK_CLOEXEC only if socketpair() succeeds without SOCK_CLOEXEC. - * Ex. Socket.pair(:UNIX, 0xff) fails with EINVAL. - */ - try_sock_cloexec = 0; - } - } - } - else { - ret = socketpair(domain, type, protocol, sv); - } -#else - ret = socketpair(domain, type, protocol, sv); + type |= SOCK_CLOEXEC; #endif - if (ret == -1) { +#ifdef SOCK_NONBLOCK + type |= SOCK_NONBLOCK; +#endif + + int result = socketpair(domain, type, protocol, descriptors); + + if (result == -1) return -1; - } - rb_fd_fix_cloexec(sv[0]); - rb_fd_fix_cloexec(sv[1]); +#ifndef SOCK_CLOEXEC + rb_fd_fix_cloexec(descriptors[0]); + rb_fd_fix_cloexec(descriptors[1]); +#endif - return ret; +#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 sv[2]) +rsock_socketpair(int domain, int type, int protocol, int descriptors[2]) { - int ret; + int result; + + result = rsock_socketpair0(domain, type, protocol, descriptors); - ret = rsock_socketpair0(domain, type, protocol, sv); - if (ret < 0 && (errno == EMFILE || errno == ENFILE)) { - rb_gc(); - ret = rsock_socketpair0(domain, type, protocol, sv); + if (result < 0 && rb_gc_for_fd(errno)) { + result = rsock_socketpair0(domain, type, protocol, descriptors); } - return ret; + return result; } /* @@ -142,6 +225,14 @@ rsock_socketpair(int domain, int type, int protocol, int sv[2]) * _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 * s1.send "b", 0 @@ -167,8 +258,6 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) if (ret < 0) { rb_sys_fail("socketpair(2)"); } - rb_fd_fix_cloexec(sp[0]); - rb_fd_fix_cloexec(sp[1]); s1 = rsock_init_sock(rb_obj_alloc(klass), sp[0]); s2 = rsock_init_sock(rb_obj_alloc(klass), sp[1]); @@ -184,7 +273,7 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) /* * call-seq: - * socket.connect(remote_sockaddr) => 0 + * 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. @@ -193,14 +282,14 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) * * +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 @@ -241,7 +330,7 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) * * Errno::EOPNOTSUPP - the calling +socket+ is listening and cannot be connected * * 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 @@ -282,7 +371,7 @@ 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 * connection cannot be completed immediately @@ -296,78 +385,49 @@ rsock_sock_s_socketpair(int argc, VALUE *argv, VALUE klass) static VALUE sock_connect(VALUE sock, VALUE addr) { + VALUE rai; rb_io_t *fptr; int fd, n; - 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_LENINT(addr), 0); + n = rsock_connect(fd, (struct sockaddr*)RSTRING_PTR(addr), RSTRING_SOCKLEN(addr), 0, NULL); if (n < 0) { - rb_sys_fail("connect(2)"); + rsock_sys_fail_raddrinfo_or_sockaddr("connect(2)", addr, rai); } return INT2FIX(n); } -/* - * call-seq: - * socket.connect_nonblock(remote_sockaddr) => 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. - * - * === 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_LENINT(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); @@ -375,7 +435,7 @@ sock_connect_nonblock(VALUE sock, VALUE addr) /* * call-seq: - * socket.bind(local_sockaddr) => 0 + * socket.bind(local_sockaddr) => 0 * * Binds to the given local address. * @@ -383,18 +443,18 @@ sock_connect_nonblock(VALUE sock, VALUE addr) * * +local_sockaddr+ - the +struct+ sockaddr contained in a string or an Addrinfo object * * === Example - * require 'socket' + * 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 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 ) + * # 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 @@ -462,19 +522,20 @@ sock_connect_nonblock(VALUE sock, VALUE addr) 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_LENINT(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 @@ -484,18 +545,18 @@ sock_bind(VALUE sock, VALUE addr) * * +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 @@ -548,7 +609,6 @@ 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) @@ -559,8 +619,8 @@ rsock_sock_listen(VALUE sock, VALUE log) /* * call-seq: - * socket.recvfrom(maxlen) => [mesg, sender_addrinfo] - * socket.recvfrom(maxlen, flags) => [mesg, sender_addrinfo] + * 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 @@ -572,27 +632,27 @@ rsock_sock_listen(VALUE sock, VALUE log) * * +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_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 + * # 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 @@ -668,72 +728,11 @@ 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_addrinfo] - * socket.recvfrom_nonblock(maxlen, flags) => [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#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 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.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::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); } /* @@ -751,114 +750,65 @@ sock_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock) * */ static VALUE -sock_accept(VALUE sock) +sock_accept(VALUE server) { - rb_io_t *fptr; - VALUE sock2; - struct sockaddr_storage buf; - socklen_t len = (socklen_t)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_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::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; + 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_addrinfo] + * 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 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_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 + * # 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. @@ -867,17 +817,14 @@ sock_accept_nonblock(VALUE sock) * * 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 = (socklen_t)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 @@ -895,17 +842,35 @@ sock_sysaccept(VALUE sock) 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 @@ -917,7 +882,6 @@ sock_gethostname(VALUE obj) { struct utsname un; - rb_secure(3); uname(&un); return rb_str_new2(un.nodename); } @@ -927,7 +891,7 @@ sock_gethostname(VALUE obj) #endif static VALUE -make_addrinfo(struct addrinfo *res0, int norevlookup) +make_addrinfo(struct rb_addrinfo *res0, int norevlookup) { VALUE base, ary; struct addrinfo *res; @@ -936,10 +900,10 @@ make_addrinfo(struct addrinfo *res0, int norevlookup) 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, norevlookup); + for (res = res0->ai; res; res = res->ai_next) { + ary = rsock_ipaddr(res->ai_addr, res->ai_addrlen, norevlookup); if (res->ai_canonname) { - RARRAY_PTR(ary)[2] = rb_str_new2(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)); @@ -950,19 +914,19 @@ make_addrinfo(struct addrinfo *res0, int norevlookup) } 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); + 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); + len = (socklen_t)sizeof(((struct sockaddr_in6*)addr)->sin6_addr.s6_addr); break; #endif default: @@ -976,7 +940,18 @@ 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"] * @@ -984,21 +959,39 @@ 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); + 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")) * #=> ["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; @@ -1006,6 +999,8 @@ sock_s_gethostbyaddr(int argc, VALUE *argv) 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); StringValue(addr); if (!NIL_P(family)) { @@ -1016,7 +1011,7 @@ sock_s_gethostbyaddr(int argc, VALUE *argv) t = AF_INET6; } #endif - h = gethostbyaddr(RSTRING_PTR(addr), RSTRING_LENINT(addr), t); + h = gethostbyaddr(RSTRING_PTR(addr), RSTRING_SOCKLEN(addr), t); if (h == NULL) { #ifdef HAVE_HSTRERROR extern int h_errno; @@ -1060,7 +1055,7 @@ sock_s_gethostbyaddr(int argc, VALUE *argv) * 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; @@ -1101,7 +1096,7 @@ 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; @@ -1120,7 +1115,7 @@ sock_s_getservbyport(int argc, VALUE *argv) if (!sp) { 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); } /* @@ -1129,7 +1124,10 @@ sock_s_getservbyport(int argc, VALUE *argv) * * 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. * @@ -1150,16 +1148,17 @@ sock_s_getservbyport(int argc, VALUE *argv) * 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 same as numeric address. + * +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, revlookup; - struct addrinfo hints, *res; + struct addrinfo hints; + struct rb_addrinfo *res; int norevlookup; rb_scan_args(argc, argv, "25", &host, &port, &family, &socktype, &protocol, &flags, &revlookup); @@ -1179,10 +1178,11 @@ sock_s_getaddrinfo(int argc, VALUE *argv) 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, norevlookup); - freeaddrinfo(res); + rb_freeaddrinfo(res); return ret; } @@ -1209,16 +1209,17 @@ sock_s_getaddrinfo(int argc, VALUE *argv) * 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); @@ -1234,10 +1235,11 @@ sock_s_getnameinfo(int argc, VALUE *argv) 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)) { + if (!VALIDATE_SOCKLEN(&ss.addr, RSTRING_LEN(sa))) { rb_raise(rb_eTypeError, "sockaddr size differs - should not happen"); } - sap = (struct sockaddr*)&ss; + sap = &ss.addr; + salen = RSTRING_SOCKLEN(sa); goto call_nameinfo; } tmp = rb_check_array_type(sa); @@ -1245,16 +1247,16 @@ sock_s_getnameinfo(int argc, VALUE *argv) 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]; + af = RARRAY_AREF(sa, 0); + port = RARRAY_AREF(sa, 1); + host = RARRAY_AREF(sa, 2); } else if (RARRAY_LEN(sa) >= 4) { - af = RARRAY_PTR(sa)[0]; - port = RARRAY_PTR(sa)[1]; - host = RARRAY_PTR(sa)[3]; + af = RARRAY_AREF(sa, 0); + port = RARRAY_AREF(sa, 1); + host = RARRAY_AREF(sa, 3); if (NIL_P(host)) { - host = RARRAY_PTR(sa)[2]; + host = RARRAY_AREF(sa, 2); } else { /* @@ -1270,70 +1272,46 @@ sock_s_getnameinfo(int argc, VALUE *argv) 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 */ 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); + sap = res->ai->ai_addr; + salen = res->ai->ai_addrlen; } else { rb_raise(rb_eTypeError, "expecting String or Array"); } call_nameinfo: - error = rb_getnameinfo(sap, SA_LEN(sap), hbuf, sizeof(hbuf), + 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) { + for (r = res->ai->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), + 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) { - freeaddrinfo(res); + rb_freeaddrinfo(res); rb_raise(rb_eSocket, "sockaddr resolved to multiple nodename"); } } - freeaddrinfo(res); + 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); + saved_errno = errno; + if (res) rb_freeaddrinfo(res); + errno = saved_errno; rsock_raise_socket_error("getnameinfo", error); - UNREACHABLE; + UNREACHABLE_RETURN(Qnil); } /* @@ -1353,12 +1331,10 @@ 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); + 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; } @@ -1399,8 +1375,7 @@ 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); } @@ -1423,15 +1398,13 @@ sock_s_pack_sockaddr_un(VALUE self, VALUE path) VALUE addr; StringValue(path); - MEMZERO(&sockaddr, struct sockaddr_un, 1); - sockaddr.sun_family = AF_UNIX; + 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)); } memcpy(sockaddr.sun_path, RSTRING_PTR(path), RSTRING_LEN(path)); - addr = rb_str_new((char*)&sockaddr, sizeof(sockaddr)); - OBJ_INFECT(addr, path); + addr = rb_str_new((char*)&sockaddr, rsock_unix_sockaddr_len(path)); return addr; } @@ -1467,17 +1440,57 @@ sock_s_unpack_sockaddr_un(VALUE self, VALUE addr) rb_raise(rb_eTypeError, "too long sockaddr_un - %ld longer than %d", RSTRING_LEN(addr), (int)sizeof(struct sockaddr_un)); } - path = rsock_unixpath_str(sockaddr, RSTRING_LENINT(addr)); - 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 socklen_t +sockaddr_len(struct sockaddr *addr) +{ + if (addr == NULL) + 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: + return (socklen_t)sizeof(struct sockaddr_in); + +#ifdef AF_INET6 + case AF_INET6: + return (socklen_t)sizeof(struct sockaddr_in6); +#endif + +#ifdef HAVE_SYS_UN_H + case AF_UNIX: + 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: + 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) +sockaddr_obj(struct sockaddr *addr, socklen_t len) { - socklen_t len; #if defined(AF_INET6) && defined(__KAME__) struct sockaddr_in6 addr6; #endif @@ -1485,18 +1498,14 @@ sockaddr_obj(struct sockaddr *addr) if (addr == NULL) return Qnil; - switch (addr->sa_family) { - case AF_INET: - len = (socklen_t)sizeof(struct sockaddr_in); - break; + len = sockaddr_len(addr); -#ifdef AF_INET6 - case AF_INET6: - len = (socklen_t)sizeof(struct sockaddr_in6); -# ifdef __KAME__ +#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) && @@ -1506,27 +1515,18 @@ sockaddr_obj(struct sockaddr *addr) addr6.sin6_addr.s6_addr[2] = 0; addr6.sin6_addr.s6_addr[3] = 0; } -# endif - break; -#endif - -#ifdef HAVE_SYS_UN_H - case AF_UNIX: - len = (socklen_t)sizeof(struct sockaddr_un); - break; -#endif - - default: - len = (socklen_t)sizeof(struct sockaddr_in); - break; } -#ifdef SA_LEN - if (len < (socklen_t)SA_LEN(addr)) - len = (socklen_t)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) @@ -1562,7 +1562,28 @@ 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))); } } @@ -1576,7 +1597,7 @@ socket_s_ip_address_list(VALUE self) int ret; struct lifnum ln; struct lifconf lc; - char *reason = NULL; + const char *reason = NULL; int save_errno; int i; VALUE list = Qnil; @@ -1585,7 +1606,7 @@ 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)"); memset(&ln, 0, sizeof(ln)); ln.lifn_family = AF_UNSPEC; @@ -1624,7 +1645,7 @@ socket_s_ip_address_list(VALUE self) } ((struct sockaddr_in6 *)(&req->lifr_addr))->sin6_scope_id = req2.lifr_index; } - rb_ary_push(list, sockaddr_obj((struct sockaddr *)&req->lifr_addr)); + rb_ary_push(list, sockaddr_obj((struct sockaddr *)&req->lifr_addr, req->lifr_addrlen)); } } @@ -1637,13 +1658,13 @@ socket_s_ip_address_list(VALUE self) 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; @@ -1655,7 +1676,7 @@ 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; @@ -1696,9 +1717,9 @@ socket_s_ip_address_list(VALUE self) while ((char*)req < (char*)conf.ifc_req + conf.ifc_len) { struct sockaddr *addr = &req->ifr_addr; if (IS_IP_FAMILY(addr->sa_family)) { - rb_ary_push(list, sockaddr_obj(addr)); + rb_ary_push(list, sockaddr_obj(addr, sockaddr_len(addr))); } -#ifdef HAVE_SA_LEN +#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN # ifndef _SIZEOF_ADDR_IFREQ # define _SIZEOF_ADDR_IFREQ(r) \ (sizeof(struct ifreq) + \ @@ -1722,7 +1743,7 @@ socket_s_ip_address_list(VALUE self) errno = save_errno; if (reason) - rb_sys_fail(reason); + rb_syserr_fail(save_errno, reason); return list; #undef EXTRA_SPACE @@ -1813,7 +1834,7 @@ socket_s_ip_address_list(VALUE self) #else if (IS_IP_FAMILY(uni->Address.lpSockaddr->sa_family)) #endif - rb_ary_push(list, sockaddr_obj(uni->Address.lpSockaddr)); + rb_ary_push(list, sockaddr_obj(uni->Address.lpSockaddr, uni->Address.iSockaddrLength)); } for (any = adapters->FirstAnycastAddress; any; any = any->Next) { #ifndef INET6 @@ -1821,7 +1842,7 @@ socket_s_ip_address_list(VALUE self) #else 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)); } } @@ -1834,8 +1855,10 @@ socket_s_ip_address_list(VALUE self) #endif void -Init_socket() +Init_socket(void) { + rb_ext_ractor_safe(true); + rsock_init_basicsocket(); /* @@ -1852,7 +1875,7 @@ Init_socket() * * === What's a socket? * - * Sockets are endpoints of a bidirectionnal communication channel. + * 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. @@ -1877,7 +1900,7 @@ Init_socket() * * *hostname:* * The identifier of a network interface: - * * a string (hostname, IPv4 or IPv6 adress or +broadcast+ + * * 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). @@ -1889,6 +1912,8 @@ Init_socket() * * 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') * @@ -1959,15 +1984,26 @@ Init_socket() 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", 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); @@ -1988,4 +2024,7 @@ Init_socket() #endif rb_define_singleton_method(rb_cSocket, "ip_address_list", socket_s_ip_address_list, 0); + +#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 48be4fcf99..b8b7e12998 100644 --- a/ext/socket/sockssocket.c +++ b/ext/socket/sockssocket.c @@ -13,13 +13,19 @@ #ifdef SOCKS /* * call-seq: - * SOCKSSocket.new(host, serv) => socket + * SOCKSSocket.new(host, port) => socket * - * Opens a SOCKS connection to +host+ via the SOCKS server +serv+. + * 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; @@ -28,7 +34,7 @@ socks_init(VALUE sock, VALUE host, VALUE serv) 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); } #ifdef SOCKS5 @@ -41,9 +47,6 @@ 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); return rb_io_close(sock); diff --git a/ext/socket/tcpserver.c b/ext/socket/tcpserver.c index 6596733239..675733c6f9 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) @@ -29,13 +36,15 @@ 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); } /* * 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 @@ -44,62 +53,24 @@ tcp_svr_init(int argc, VALUE *argv, VALUE sock) * */ static VALUE -tcp_accept(VALUE sock) +tcp_accept(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 = (socklen_t)sizeof(from); - return rsock_s_accept(rb_cTCPSocket, fptr->fd, - (struct sockaddr*)&from, &fromlen); + 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 = (socklen_t)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); } /* @@ -117,15 +88,12 @@ tcp_accept_nonblock(VALUE sock) * */ 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 = (socklen_t)sizeof(from); - return rsock_s_accept(0, fptr->fd, (struct sockaddr*)&from, &fromlen); + return rsock_s_accept(0, server, &buffer.addr, &length); } void @@ -164,7 +132,8 @@ rsock_init_tcpserver(void) */ 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 7eb6fc7aa2..51e77a0de9 100644 --- a/ext/socket/tcpsocket.c +++ b/ext/socket/tcpsocket.c @@ -12,36 +12,64 @@ /* * 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, connect_timeout: nil) * * 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. + * + * [:connect_timeout] specify the timeout in seconds. */ 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[2]; + VALUE kwargs[2]; + VALUE resolv_timeout = Qnil; + VALUE connect_timeout = Qnil; + + if (!keyword_ids[0]) { + CONST_ID(keyword_ids[0], "resolv_timeout"); + CONST_ID(keyword_ids[1], "connect_timeout"); + } + + rb_scan_args(argc, argv, "22:", &remote_host, &remote_serv, + &local_host, &local_serv, &opt); - rb_scan_args(argc, argv, "22", &remote_host, &remote_serv, - &local_host, &local_serv); + if (!NIL_P(opt)) { + rb_get_kwargs(opt, keyword_ids, 0, 2, kwargs); + if (kwargs[0] != Qundef) { resolv_timeout = kwargs[0]; } + if (kwargs[1] != Qundef) { connect_timeout = kwargs[1]; } + } 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); } 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"] @@ -50,9 +78,10 @@ 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); + return rsock_make_hostent(host, res, tcp_sockaddr); } void diff --git a/ext/socket/udpsocket.c b/ext/socket/udpsocket.c index 0ba4371f1a..2bfd7c8560 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> * @@ -30,7 +32,6 @@ 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); } @@ -44,26 +45,28 @@ udp_init(int argc, VALUE *argv, VALUE sock) struct udp_arg { - struct addrinfo *res; - int fd; + struct rb_addrinfo *res; + rb_io_t *fptr; }; static VALUE -udp_connect_internal(struct udp_arg *arg) +udp_connect_internal(VALUE v) { - int fd = arg->fd; + struct udp_arg *arg = (void *)v; + rb_io_t *fptr; + int fd; struct addrinfo *res; - for (res = arg->res; res; res = res->ai_next) { - if (rsock_connect(fd, res->ai_addr, res->ai_addrlen, 0) >= 0) { + rb_io_check_closed(fptr = arg->fptr); + fd = fptr->fd; + for (res = arg->res->ai; res; res = res->ai_next) { + if (rsock_connect(fd, res->ai_addr, res->ai_addrlen, 0, NULL) >= 0) { return Qtrue; } } return Qfalse; } -VALUE rsock_freeaddrinfo(struct addrinfo *addr); - /* * call-seq: * udpsocket.connect(host, port) => 0 @@ -83,20 +86,36 @@ VALUE rsock_freeaddrinfo(struct addrinfo *addr); static VALUE udp_connect(VALUE sock, VALUE host, VALUE port) { - rb_io_t *fptr; struct udp_arg arg; VALUE ret; - rb_secure(3); - arg.res = rsock_addrinfo(host, port, SOCK_DGRAM, 0); - GetOpenFile(sock, fptr); - arg.fd = fptr->fd; + GetOpenFile(sock, arg.fptr); + arg.res = rsock_addrinfo(host, port, rsock_fd_family(arg.fptr->fd), SOCK_DGRAM, 0); ret = rb_ensure(udp_connect_internal, (VALUE)&arg, rsock_freeaddrinfo, (VALUE)arg.res); - if (!ret) rb_sys_fail("connect(2)"); + if (!ret) rsock_sys_fail_host_port("connect(2)", host, port); return INT2FIX(0); } +static VALUE +udp_bind_internal(VALUE v) +{ + struct udp_arg *arg = (void *)v; + rb_io_t *fptr; + int fd; + struct addrinfo *res; + + rb_io_check_closed(fptr = arg->fptr); + fd = fptr->fd; + for (res = arg->res->ai; res; res = res->ai_next) { + if (bind(fd, res->ai_addr, res->ai_addrlen) < 0) { + continue; + } + return Qtrue; + } + return Qfalse; +} + /* * call-seq: * udpsocket.bind(host, port) #=> 0 @@ -112,22 +131,50 @@ udp_connect(VALUE sock, VALUE host, VALUE port) static VALUE udp_bind(VALUE sock, VALUE host, VALUE port) { + struct udp_arg arg; + VALUE ret; + + GetOpenFile(sock, arg.fptr); + arg.res = rsock_addrinfo(host, port, rsock_fd_family(arg.fptr->fd), SOCK_DGRAM, 0); + ret = rb_ensure(udp_bind_internal, (VALUE)&arg, + rsock_freeaddrinfo, (VALUE)arg.res); + if (!ret) rsock_sys_fail_host_port("bind(2)", host, port); + return INT2FIX(0); +} + +struct udp_send_arg { + struct rb_addrinfo *res; rb_io_t *fptr; - struct addrinfo *res0, *res; + struct rsock_send_arg sarg; +}; - 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); +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)BLOCKING_REGION_FD(rsock_sendto_blocking, &arg->sarg); + + if (n >= 0) return RB_SSIZE2NUM(n); + + if (rb_io_maybe_wait_writable(errno, fptr->self, Qnil)) { + goto retry; + } } - freeaddrinfo(res0); - rb_sys_fail("bind(2)"); - return INT2FIX(0); + return Qfalse; } /* @@ -156,94 +203,30 @@ 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); } - 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_FD(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); + 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); } void @@ -260,6 +243,8 @@ rsock_init_udpsocket(void) 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 9bd959d439..890f9d3fae 100644 --- a/ext/socket/unixserver.c +++ b/ext/socket/unixserver.c @@ -17,6 +17,8 @@ * * 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| @@ -45,53 +47,17 @@ 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 = (socklen_t)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; @@ -99,7 +65,7 @@ unix_accept_nonblock(VALUE sock) GetOpenFile(sock, fptr); fromlen = (socklen_t)sizeof(from); - return rsock_s_accept_nonblock(rb_cUNIXSocket, fptr, + return rsock_s_accept_nonblock(rb_cUNIXSocket, ex, fptr, (struct sockaddr *)&from, &fromlen); } @@ -122,15 +88,12 @@ unix_accept_nonblock(VALUE sock) * */ 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 = (socklen_t)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 @@ -148,7 +111,10 @@ rsock_init_unixserver(void) 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 596fb5cdcd..857cfa6002 100644 --- a/ext/socket/unixsocket.c +++ b/ext/socket/unixsocket.c @@ -13,6 +13,7 @@ #ifdef HAVE_SYS_UN_H struct unixsock_arg { struct sockaddr_un *sockaddr; + socklen_t sockaddrlen; int fd; }; @@ -21,37 +22,61 @@ unixsock_connect_internal(VALUE a) { struct unixsock_arg *arg = (struct unixsock_arg *)a; return (VALUE)rsock_connect(arg->fd, (struct sockaddr*)arg->sockaddr, - (socklen_t)sizeof(*arg->sockaddr), 0); + arg->sockaddrlen, 0, NULL); +} + +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 + return rb_get_path(path); } VALUE rsock_init_unixsock(VALUE sock, VALUE path, int server) { struct sockaddr_un sockaddr; + socklen_t sockaddrlen; int fd, status; rb_io_t *fptr; - SafeStringValue(path); - fd = rsock_socket(AF_UNIX, SOCK_STREAM, 0); - if (fd < 0) { - rb_sys_fail("socket(2)"); - } + path = unixsock_path_value(path); - MEMZERO(&sockaddr, struct sockaddr_un, 1); - sockaddr.sun_family = AF_UNIX; + 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) { + rsock_sys_fail_path("socket(2)", path); + } if (server) { - status = bind(fd, (struct sockaddr*)&sockaddr, (socklen_t)sizeof(sockaddr)); + status = bind(fd, (struct sockaddr*)&sockaddr, sockaddrlen); } else { int prot; struct unixsock_arg arg; arg.sockaddr = &sockaddr; + arg.sockaddrlen = sockaddrlen; arg.fd = fd; status = (int)rb_protect(unixsock_connect_internal, (VALUE)&arg, &prot); if (prot) { @@ -61,14 +86,16 @@ rsock_init_unixsock(VALUE sock, VALUE path, int server) } if (status < 0) { + int e = errno; close(fd); - rb_sys_fail_str(path); + rsock_syserr_fail_path(e, "connect(2)", path); } if (server) { if (listen(fd, SOMAXCONN) < 0) { + int e = errno; close(fd); - rb_sys_fail("listen(2)"); + rsock_syserr_fail_path(e, "listen(2)", path); } } @@ -87,6 +114,8 @@ 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 * @@ -116,8 +145,10 @@ unix_path(VALUE sock) if (NIL_P(fptr->pathv)) { struct sockaddr_un addr; socklen_t len = (socklen_t)sizeof(addr); + socklen_t len0 = len; if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0) - rb_sys_fail(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); @@ -125,7 +156,7 @@ unix_path(VALUE sock) /* * call-seq: - * unixsocket.recvfrom(maxlen [, flags]) => [mesg, unixaddress] + * unixsocket.recvfrom(maxlen [, flags[, outbuf]]) => [mesg, unixaddress] * * Receives a message via _unixsocket_. * @@ -133,6 +164,9 @@ 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) @@ -152,13 +186,13 @@ 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 @@ -192,6 +226,8 @@ 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) @@ -203,9 +239,9 @@ unix_send_io(VALUE sock, VALUE val) char buf[1]; #if FD_PASSING_BY_MSG_CONTROL - struct { + union { struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; + char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8]; } cmsg; #endif @@ -250,7 +286,7 @@ unix_send_io(VALUE sock, VALUE val) arg.fd = fptr->fd; while ((int)BLOCKING_REGION_FD(sendmsg_blocking, &arg) == -1) { if (!rb_io_wait_writable(arg.fd)) - rb_sys_fail("sendmsg(2)"); + rsock_sys_fail_path("sendmsg(2)", fptr->pathv); } return Qnil; @@ -272,6 +308,8 @@ recvmsg_blocking(void *data) * call-seq: * unixsocket.recv_io([klass [, mode]]) => io * + * Example + * * UNIXServer.open("/tmp/sock") {|serv| * UNIXSocket.open("/tmp/sock") {|c| * s = serv.accept @@ -286,6 +324,11 @@ 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) @@ -295,12 +338,18 @@ 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 { + union { struct cmsghdr hdr; - char pad[8+sizeof(int)+8]; + char pad[sizeof(struct cmsghdr)+8+sizeof(int)+8]; } cmsg; #endif @@ -310,6 +359,7 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) if (argc <= 1) mode = Qnil; +retry: GetOpenFile(sock, fptr); arg.msg.msg_name = NULL; @@ -337,12 +387,31 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) arg.fd = fptr->fd; while ((int)BLOCKING_REGION_FD(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)) - rb_sys_fail("recvmsg(2)"); + rsock_syserr_fail_path(e, "recvmsg(2)", fptr->pathv); } #if FD_PASSING_BY_MSG_CONTROL 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)); @@ -376,7 +445,7 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) #else if (arg.msg.msg_accrightslen != sizeof(fd)) { rb_raise(rb_eSocket, - "file descriptor was not passed (accrightslen) : %d != %d", + "file descriptor was not passed (accrightslen=%d, %d expected)", arg.msg.msg_accrightslen, (int)sizeof(fd)); } #endif @@ -384,7 +453,9 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) #if FD_PASSING_BY_MSG_CONTROL memcpy(&fd, CMSG_DATA(&cmsg.hdr), sizeof(int)); #endif - rb_fd_fix_cloexec(fd); + + rb_update_max_fd(fd); + rb_maygvl_fd_fix_cloexec(fd); if (klass == Qnil) return INT2FIX(fd); @@ -396,7 +467,7 @@ unix_recv_io(int argc, VALUE *argv, VALUE sock) 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); + return rb_funcallv(klass, for_fd, ff_argc, ff_argv); } } #else @@ -420,11 +491,13 @@ unix_addr(VALUE sock) rb_io_t *fptr; struct sockaddr_un 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); } @@ -446,11 +519,13 @@ unix_peeraddr(VALUE sock) rb_io_t *fptr; struct sockaddr_un 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); } @@ -459,7 +534,7 @@ 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. * |