nis/nis_getservlist.c

   1 /* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA. */
  19
  20 #include <string.h>
  21 #include <rpcsvc/nis.h>
  22
  23 #include "nis_xdr.h"
  24 #include "nis_intern.h"
  25
  26 nis_server **
  27 nis_getservlist (const_nis_name dir)
  28 {
  29   nis_result *res;
  30   nis_server **serv;
  31
  32   res = nis_lookup (dir, FOLLOW_LINKS);
  33
  34   if (res != NULL && NIS_RES_STATUS (res) == NIS_SUCCESS)
  35     {
  36       unsigned long i;
  37       nis_server *server;
  38
  39       serv =
  40         malloc (sizeof (nis_server *) *
  41                 (NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len + 1));
  42       if (__builtin_expect (serv == NULL, 0))
  43         return NULL;
  44
  45       for (i = 0; i < NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len;
  46            ++i)
  47         {
  48           server =
  49             &NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_val[i];
  50           serv[i] = calloc (1, sizeof (nis_server));
  51           if (__builtin_expect (serv[i] == NULL, 0))
  52             return NULL;
  53
  54           if (server->name != NULL)
  55             {
  56               serv[i]->name = strdup (server->name);
  57               if (__builtin_expect (serv[i]->name == NULL, 0))
  58                 return NULL;
  59             }
  60
  61           serv[i]->ep.ep_len = server->ep.ep_len;
  62           if (serv[i]->ep.ep_len > 0)
  63             {
  64               unsigned long int j;
  65
  66               serv[i]->ep.ep_val =
  67                 malloc (server->ep.ep_len * sizeof (endpoint));
  68               if (__builtin_expect (serv[i]->ep.ep_val == NULL, 0))
  69                 return NULL;
  70
  71               for (j = 0; j < serv[i]->ep.ep_len; ++j)
  72                 {
  73                   if (server->ep.ep_val[j].uaddr)
  74                     serv[i]->ep.ep_val[j].uaddr =
  75                       strdup (server->ep.ep_val[j].uaddr);
  76                   else
  77                     serv[i]->ep.ep_val[j].uaddr = NULL;
  78                   if (server->ep.ep_val[j].family)
  79                     serv[i]->ep.ep_val[j].family =
  80                       strdup (server->ep.ep_val[j].family);
  81                   else
  82                     serv[i]->ep.ep_val[j].family = NULL;
  83                   if (server->ep.ep_val[j].proto)
  84                     serv[i]->ep.ep_val[j].proto =
  85                       strdup (server->ep.ep_val[j].proto);
  86                   else
  87                     serv[i]->ep.ep_val[j].proto = NULL;
  88                 }
  89             }
  90           else
  91             serv[i]->ep.ep_val = NULL;
  92           serv[i]->key_type = server->key_type;
  93           serv[i]->pkey.n_len = server->pkey.n_len;
  94           if (server->pkey.n_len > 0)
  95             {
  96               serv[i]->pkey.n_bytes = malloc (server->pkey.n_len);
  97               if (__builtin_expect (serv[i]->pkey.n_bytes == NULL, 0))
  98                 return NULL;
  99               memcpy (serv[i]->pkey.n_bytes, server->pkey.n_bytes,
 100                       server->pkey.n_len);
 101             }
 102           else
 103             serv[i]->pkey.n_bytes = NULL;
 104         }
 105       serv[i] = NULL;
 106     }
 107   else
 108     {
 109       serv = malloc (sizeof (nis_server *));
 110       if (__builtin_expect (serv != NULL, 0))
 111         serv[0] = NULL;
 112     }
 113
 114   if (res != NULL)
 115     nis_freeresult (res);
 116
 117   return serv;
 118 }
 119
 120 void
 121 nis_freeservlist (nis_server **serv)
 122 {
 123   int i;
 124
 125   if (serv == NULL)
 126     return;
 127
 128   i = 0;
 129   while (serv[i] != NULL)
 130     {
 131       xdr_free ((xdrproc_t)_xdr_nis_server, (char *)serv[i]);
 132       free (serv[i]);
 133       ++i;
 134     }
 135   free (serv);
 136 }