From 9aa3d10e669d7b6e84aa461732ffb2ac5dbedfb8 Mon Sep 17 00:00:00 2001 From: Matthias Andree Date: Fri, 26 Aug 2005 07:28:52 +0000 Subject: Remove excess imports. svn path=/trunk/; revision=4260 --- libesmtp/1.0.3r1/getaddrinfo.c | 314 ----------------------------------------- 1 file changed, 314 deletions(-) delete mode 100644 libesmtp/1.0.3r1/getaddrinfo.c (limited to 'libesmtp/1.0.3r1/getaddrinfo.c') diff --git a/libesmtp/1.0.3r1/getaddrinfo.c b/libesmtp/1.0.3r1/getaddrinfo.c deleted file mode 100644 index 575b51d2..00000000 --- a/libesmtp/1.0.3r1/getaddrinfo.c +++ /dev/null @@ -1,314 +0,0 @@ -/* - * This file is part of libESMTP, a library for submission of RFC 2822 - * formatted electronic mail messages using the SMTP protocol described - * in RFC 2821. - * - * Copyright (C) 2001,2002 Brian Stafford - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/* An emulation of the RFC 2553 / Posix getaddrinfo resolver interface. - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -/* Need to turn off Posix features in glibc to build this */ -#undef _POSIX_C_SOURCE -#undef _XOPEN_SOURCE - -#include -#include -#include -#include - -#include -#include -#include - -#include - -#include "gethostbyname.h" -#include "getaddrinfo.h" - -static struct addrinfo * -dup_addrinfo (struct addrinfo *info, void *addr, size_t addrlen) -{ - struct addrinfo *ret; - - ret = malloc (sizeof (struct addrinfo)); - if (ret == NULL) - return NULL; - memcpy (ret, info, sizeof (struct addrinfo)); - ret->ai_addr = malloc (addrlen); - if (ret->ai_addr == NULL) - { - free (ret); - return NULL; - } - memcpy (ret->ai_addr, addr, addrlen); - ret->ai_addrlen = addrlen; - return ret; -} - -int -getaddrinfo (const char *nodename, const char *servname, - const struct addrinfo *hints, struct addrinfo **res) -{ - struct hostent *hp; - struct servent *servent; - const char *socktype; - int port; - struct addrinfo hint, result; - struct addrinfo *ai, *sai, *eai; - struct ghbnctx ghbnctx; - char **addrs; - int code; - - memset (&result, 0, sizeof result); - - /* default for hints */ - if (hints == NULL) - { - memset (&hint, 0, sizeof hint); - hint.ai_family = PF_UNSPEC; - hints = &hint; - } - - /* servname must not be NULL in this implementation */ - if (servname == NULL) - return EAI_NONAME; - - /* check for tcp or udp sockets only */ - if (hints->ai_socktype == SOCK_STREAM) - socktype = "tcp"; - else if (hints->ai_socktype == SOCK_DGRAM) - socktype = "udp"; - else - return EAI_SERVICE; - result.ai_socktype = hints->ai_socktype; - - /* Note: maintain port in host byte order to make debugging easier */ - if (isdigit (*servname)) - port = strtol (servname, NULL, 10); - else if ((servent = getservbyname (servname, socktype)) != NULL) - port = ntohs (servent->s_port); - else - return EAI_NONAME; - - /* if nodename == NULL refer to the local host for a client or any - for a server */ - if (nodename == NULL) - { - struct sockaddr_in sin; - - /* check protocol family is PF_UNSPEC or PF_INET - could try harder - for IPv6 but that's more code than I'm prepared to write */ - if (hints->ai_family == PF_UNSPEC || hints->ai_family == PF_INET) - result.ai_family = AF_INET; - else - return EAI_FAMILY; - - sin.sin_family = result.ai_family; - sin.sin_port = htons (port); - if (hints->ai_flags & AI_PASSIVE) - sin.sin_addr.s_addr = htonl (INADDR_ANY); - else - sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK); - /* Duplicate result and addr and return */ - *res = dup_addrinfo (&result, &sin, sizeof sin); - return (*res == NULL) ? EAI_MEMORY : 0; - } - - /* If AI_NUMERIC is specified, use inet_addr to translate numbers and - dots notation. */ - if (hints->ai_flags & AI_NUMERICHOST) - { - struct sockaddr_in sin; - - /* check protocol family is PF_UNSPEC or PF_INET */ - if (hints->ai_family == PF_UNSPEC || hints->ai_family == PF_INET) - result.ai_family = AF_INET; - else - return EAI_FAMILY; - - sin.sin_family = result.ai_family; - sin.sin_port = htons (port); - sin.sin_addr.s_addr = inet_addr (nodename); - /* Duplicate result and addr and return */ - *res = dup_addrinfo (&result, &sin, sizeof sin); - return (*res == NULL) ? EAI_MEMORY : 0; - } - - errno = 0; - hp = gethostbyname_ctx (nodename, &ghbnctx); - if (hp == NULL) - { - if (errno != 0) - { - free_ghbnctx (&ghbnctx); - return EAI_SYSTEM; - } - code = h_error_ctx (&ghbnctx); - switch (code) - { - case HOST_NOT_FOUND: code = EAI_NODATA; break; - case NO_DATA: code = EAI_NODATA; break; -#if defined(NO_ADDRESS) && NO_ADDRESS != NO_DATA - case NO_ADDRESS: code = EAI_NODATA; break; -#endif - case NO_RECOVERY: code = EAI_FAIL; break; - case TRY_AGAIN: code = EAI_AGAIN; break; - default: code = EAI_FAIL; break; - } - free_ghbnctx (&ghbnctx); - return code; - } - - /* Check that the address family is acceptable. - */ - switch (hp->h_addrtype) - { - case AF_INET: - if (!(hints->ai_family == PF_UNSPEC || hints->ai_family == PF_INET)) - goto eai_family; - break; -#ifdef USE_IPV6 - case AF_INET6: - if (!(hints->ai_family == PF_UNSPEC || hints->ai_family == PF_INET6)) - goto eai_family; - break; -#endif - default: - eai_family: - free_ghbnctx (&ghbnctx); - return EAI_FAMILY; - } - - /* For each element pointed to by hp, create an element in the - result linked list. */ - sai = eai = NULL; - for (addrs = hp->h_addr_list; *addrs != NULL; addrs++) - { - struct sockaddr sa; - size_t addrlen; - - if (hp->h_length < 1) - continue; - sa.sa_family = hp->h_addrtype; - switch (hp->h_addrtype) - { - case AF_INET: - ((struct sockaddr_in *) &sa)->sin_port = htons (port); - memcpy (&((struct sockaddr_in *) &sa)->sin_addr, - *addrs, hp->h_length); - addrlen = sizeof (struct sockaddr_in); - break; -#ifdef USE_IPV6 - case AF_INET6: -# if SIN6_LEN - ((struct sockaddr_in6 *) &sa)->sin6_len = hp->h_length; -# endif - ((struct sockaddr_in6 *) &sa)->sin6_port = htons (port); - memcpy (&((struct sockaddr_in6 *) &sa)->sin6_addr, - *addrs, hp->h_length); - addrlen = sizeof (struct sockaddr_in6); - break; -#endif - default: - continue; - } - - result.ai_family = hp->h_addrtype; - ai = dup_addrinfo (&result, &sa, addrlen); - if (ai == NULL) - { - free_ghbnctx (&ghbnctx); - freeaddrinfo (sai); - return EAI_MEMORY; - } - if (sai == NULL) - sai = ai; - else - eai->ai_next = ai; - eai = ai; - } - - if (sai == NULL) - { - free_ghbnctx (&ghbnctx); - return EAI_NODATA; - } - - if (hints->ai_flags & AI_CANONNAME) - { - sai->ai_canonname = malloc (strlen (hp->h_name) + 1); - if (sai->ai_canonname == NULL) - { - free_ghbnctx (&ghbnctx); - freeaddrinfo (sai); - return EAI_MEMORY; - } - strcpy (sai->ai_canonname, hp->h_name); - } - - free_ghbnctx (&ghbnctx); - *res = sai; - return 0; -} - -void -freeaddrinfo (struct addrinfo *ai) -{ - struct addrinfo *next; - - while (ai != NULL) - { - next = ai->ai_next; - if (ai->ai_canonname != NULL) - free (ai->ai_canonname); - if (ai->ai_addr != NULL) - free (ai->ai_addr); - free (ai); - ai = next; - } -} - -const char * -gai_strerror (int ecode) -{ - static const char *eai_descr[] = - { - "no error", - "address family for nodename not supported", /* EAI_ADDRFAMILY */ - "temporary failure in name resolution", /* EAI_AGAIN */ - "invalid value for ai_flags", /* EAI_BADFLAGS */ - "non-recoverable failure in name resolution", /* EAI_FAIL */ - "ai_family not supported", /* EAI_FAMILY */ - "memory allocation failure", /* EAI_MEMORY */ - "no address associated with nodename", /* EAI_NODATA */ - "nodename nor servname provided, or not known", /* EAI_NONAME */ - "servname not supported for ai_socktype", /* EAI_SERVICE */ - "ai_socktype not supported", /* EAI_SOCKTYPE */ - "system error returned in errno", /* EAI_SYSTEM */ - }; - - if (ecode < 0 || ecode > (int) (sizeof eai_descr/ sizeof eai_descr[0])) - return "unknown error"; - return eai_descr[ecode]; -} - -- cgit v1.2.3