Sync with gnulib - lots of extraneous code removed in preference to GNU code

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 0 insertions, 305 deletions

diff --git a/plugins/getaddrinfo.c b/plugins/getaddrinfo.c
deleted file mode 100644
index 56978208..00000000
--- a/plugins/getaddrinfo.c
+++ /dev/null
@@ -1,305 +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.
- *  Modified by Jeremy T. Bouse for use in Nagios plugins
- *
- *  Copyright (C) 2001,2002  Brian Stafford  <brian@stafford.uklinux.net>
- *
- *  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.
- *
- * $Id$
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-/* Need to turn off Posix features in glibc to build this */
-#undef _POSIX_C_SOURCE
-#undef _XOPEN_SOURCE
-
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
-#include <netdb.h>
-
-#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;
-    }
-
-  result.ai_socktype = hints->ai_socktype;
-
-  /* Note: maintain port in host byte order to make debugging easier */
-  if (servname != NULL) {
-    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;
-
-      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];
-}