diff options
Diffstat (limited to 'ruby_1_8_5/ext/socket/getnameinfo.c')
-rw-r--r-- | ruby_1_8_5/ext/socket/getnameinfo.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/ruby_1_8_5/ext/socket/getnameinfo.c b/ruby_1_8_5/ext/socket/getnameinfo.c deleted file mode 100644 index 4c9c8f03c4..0000000000 --- a/ruby_1_8_5/ext/socket/getnameinfo.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Issues to be discussed: - * - Thread safe-ness must be checked - * - Return values. There seems to be no standard for return value (RFC2133) - * but INRIA implementation returns EAI_xxx defined for getaddrinfo(). - */ - -#include "config.h" -#include <sys/types.h> -#ifndef _WIN32 -#if defined(__BEOS__) -# include <net/socket.h> -#else -# include <sys/socket.h> -#endif -#include <netinet/in.h> -#if defined(HAVE_ARPA_INET_H) -#include <arpa/inet.h> -#endif -#if defined(HAVE_ARPA_NAMESER_H) -#include <arpa/nameser.h> -#endif -#include <netdb.h> -#if defined(HAVE_RESOLV_H) -#ifdef _SX -#include <stdio.h> -#endif -#include <resolv.h> -#endif -#endif -#ifdef _WIN32 -#include <winsock2.h> -#include <stdio.h> -#define snprintf _snprintf -#endif - -#include <string.h> -#include <stddef.h> - -#ifdef SOCKS5 -#include <socks.h> -#endif - -#include "addrinfo.h" -#include "sockport.h" - -#define SUCCESS 0 -#define ANY 0 -#define YES 1 -#define NO 0 - -struct sockinet { - u_char si_len; - u_char si_family; - u_short si_port; -}; - -static struct afd { - int a_af; - int a_addrlen; - int a_socklen; - int a_off; -} afdl [] = { -#ifdef INET6 -#define N_INET6 0 - {PF_INET6, sizeof(struct in6_addr), - sizeof(struct sockaddr_in6), - offsetof(struct sockaddr_in6, sin6_addr)}, -#define N_INET 1 -#else -#define N_INET 0 -#endif - {PF_INET, sizeof(struct in_addr), - sizeof(struct sockaddr_in), - offsetof(struct sockaddr_in, sin_addr)}, - {0, 0, 0, 0}, -}; - -#define ENI_NOSOCKET 0 -#define ENI_NOSERVNAME 1 -#define ENI_NOHOSTNAME 2 -#define ENI_MEMORY 3 -#define ENI_SYSTEM 4 -#define ENI_FAMILY 5 -#define ENI_SALEN 6 - -#ifndef HAVE_INET_NTOP -static const char * -inet_ntop(af, addr, numaddr, numaddr_len) - 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(sa, salen, host, hostlen, serv, servlen, flags) - const struct sockaddr *sa; - size_t salen; - char *host; - size_t hostlen; - char *serv; - size_t servlen; - int flags; -{ - struct afd *afd; - struct servent *sp; - struct hostent *hp; - u_short port; - int family, len, i; - char *addr, *p; - u_long v4a; -#ifdef INET6 - u_char pfx; -#endif - int h_error; - char numserv[512]; - char numaddr[512]; - - if (sa == NULL) - return ENI_NOSOCKET; - - len = SA_LEN(sa); - if (len != salen) return ENI_SALEN; - - family = sa->sa_family; - for (i = 0; afdl[i].a_af; i++) - if (afdl[i].a_af == family) { - afd = &afdl[i]; - goto found; - } - return ENI_FAMILY; - - found: - if (len != afd->a_socklen) return ENI_SALEN; - - port = ((struct sockinet *)sa)->si_port; /* network byte order */ - addr = (char *)sa + afd->a_off; - - if (serv == NULL || servlen == 0) { - /* what we should do? */ - } else if (flags & NI_NUMERICSERV) { - snprintf(numserv, sizeof(numserv), "%d", ntohs(port)); - if (strlen(numserv) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, numserv); - } else { -#if defined(HAVE_GETSERVBYPORT) - sp = getservbyport(port, (flags & NI_DGRAM) ? "udp" : "tcp"); - if (sp) { - if (strlen(sp->s_name) + 1 > servlen) - return ENI_MEMORY; - strcpy(serv, sp->s_name); - } else - return ENI_NOSERVNAME; -#else - return ENI_NOSERVNAME; -#endif - } - - switch (sa->sa_family) { - case AF_INET: - v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr); - if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) - flags |= NI_NUMERICHOST; - v4a >>= IN_CLASSA_NSHIFT; - if (v4a == 0) - flags |= NI_NUMERICHOST; - break; -#ifdef INET6 - case AF_INET6: -#ifdef HAVE_ADDR8 - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr8[0]; -#else - pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0]; -#endif - if (pfx == 0 || pfx == 0xfe || pfx == 0xff) - flags |= NI_NUMERICHOST; - break; -#endif - } - if (host == NULL || hostlen == 0) { - /* what should we do? */ - } else if (flags & NI_NUMERICHOST) { - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_SYSTEM; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } else { -#ifdef INET6 - hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); -#else - hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af); - h_error = h_errno; -#endif - - if (hp) { - if (flags & NI_NOFQDN) { - p = strchr(hp->h_name, '.'); - if (p) *p = '\0'; - } - if (strlen(hp->h_name) + 1 > hostlen) { -#ifdef INET6 - freehostent(hp); -#endif - return ENI_MEMORY; - } - strcpy(host, hp->h_name); -#ifdef INET6 - freehostent(hp); -#endif - } else { - if (flags & NI_NAMEREQD) - return ENI_NOHOSTNAME; - if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr)) - == NULL) - return ENI_NOHOSTNAME; - if (strlen(numaddr) > hostlen) - return ENI_MEMORY; - strcpy(host, numaddr); - } - } - return SUCCESS; -} |