This commit was manufactured by cvs2svn to create branch 'upstream'.

[1ts-debian.git] / libares / ares_gethostbyaddr.c

diff --git a/libares/ares_gethostbyaddr.c b/libares/ares_gethostbyaddr.c
deleted file mode 100644 (file)
index a7eaa9e..0000000
--- a/libares/ares_gethostbyaddr.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* Copyright 1998 by the Massachusetts Institute of Technology.
- *
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright
- * notice and this permission notice appear in supporting
- * documentation, and that the name of M.I.T. not be used in
- * advertising or publicity pertaining to distribution of the
- * software without specific, written prior permission.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose.  It is provided "as is"
- * without express or implied warranty.
- */
-
-static const char rcsid[] = "$Id: ares_gethostbyaddr.c,v 1.1 1998/08/13 18:06:29 ghudson Exp $";
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <netdb.h>
-#include "ares.h"
-#include "ares_private.h"
-
-struct addr_query {
-  /* Arguments passed to ares_gethostbyaddr() */
-  ares_channel channel;
-  struct in_addr addr;
-  ares_host_callback callback;
-  void *arg;
-
-  const char *remaining_lookups;
-};
-
-static void next_lookup(struct addr_query *aquery);
-static void addr_callback(void *arg, int status, unsigned char *abuf,
-                         int alen);
-static void end_aquery(struct addr_query *aquery, int status,
-                      struct hostent *host);
-static int file_lookup(struct in_addr *addr, struct hostent **host);
-
-void ares_gethostbyaddr(ares_channel channel, const void *addr, int addrlen,
-                       int family, ares_host_callback callback, void *arg)
-{
-  struct addr_query *aquery;
-
-  if (family != AF_INET || addrlen != sizeof(struct in_addr))
-    {
-      callback(arg, ARES_ENOTIMP, NULL);
-      return;
-    }
-
-  aquery = malloc(sizeof(struct addr_query));
-  if (!aquery)
-    {
-      callback(arg, ARES_ENOMEM, NULL);
-      return;
-    }
-  aquery->channel = channel;
-  memcpy(&aquery->addr, addr, sizeof(aquery->addr));
-  aquery->callback = callback;
-  aquery->arg = arg;
-  aquery->remaining_lookups = channel->lookups;
-
-  next_lookup(aquery);
-}
-
-static void next_lookup(struct addr_query *aquery)
-{
-  const char *p;
-  char name[64];
-  int a1, a2, a3, a4, status;
-  struct hostent *host;
-  unsigned long addr;
-
-  for (p = aquery->remaining_lookups; *p; p++)
-    {
-      switch (*p)
-       {
-       case 'b':
-         addr = ntohl(aquery->addr.s_addr);
-         a1 = addr >> 24;
-         a2 = (addr >> 16) & 0xff;
-         a3 = (addr >> 8) & 0xff;
-         a4 = addr & 0xff;
-         sprintf(name, "%d.%d.%d.%d.in-addr.arpa", a4, a3, a2, a1);
-         aquery->remaining_lookups = p + 1;
-         ares_query(aquery->channel, name, C_IN, T_PTR, addr_callback,
-                    aquery);
-         return;
-       case 'f':
-         status = file_lookup(&aquery->addr, &host);
-         if (status != ARES_ENOTFOUND)
-           {
-             end_aquery(aquery, status, host);
-             return;
-           }
-         break;
-       }
-    }
-  end_aquery(aquery, ARES_ENOTFOUND, NULL);
-}
-
-static void addr_callback(void *arg, int status, unsigned char *abuf, int alen)
-{
-  struct addr_query *aquery = (struct addr_query *) arg;
-  struct hostent *host;
-
-  if (status == ARES_SUCCESS)
-    {
-      status = ares_parse_ptr_reply(abuf, alen, &aquery->addr,
-                                   sizeof(struct in_addr), AF_INET, &host);
-      end_aquery(aquery, status, host);
-    }
-  else if (status == ARES_EDESTRUCTION)
-    end_aquery(aquery, status, NULL);
-  else
-    next_lookup(aquery);
-}
-
-static void end_aquery(struct addr_query *aquery, int status,
-                      struct hostent *host)
-{
-  aquery->callback(aquery->arg, status, host);
-  if (host)
-    ares_free_hostent(host);
-  free(aquery);
-}
-
-static int file_lookup(struct in_addr *addr, struct hostent **host)
-{
-  FILE *fp;
-  int status;
-
-  fp = fopen(PATH_HOSTS, "r");
-  if (!fp)
-    return ARES_ENOTFOUND;
-
-  while ((status = ares__get_hostent(fp, host)) == ARES_SUCCESS)
-    {
-      if (memcmp((*host)->h_addr, addr, sizeof(struct in_addr)) == 0)
-       break;
-      ares_free_hostent(*host);
-    }
-  fclose(fp);
-  if (status == ARES_EOF)
-    status = ARES_ENOTFOUND;
-  if (status != ARES_SUCCESS)
-    *host = NULL;
-  return status;
-}