root/source4/heimdal/lib/krb5/get_default_realm.c

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DEFINITIONS

This source file includes following definitions.
  1. krb5_get_default_realms
  2. krb5_get_default_realm

   1 /*
   2  * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33 
  34 #include "krb5_locl.h"
  35 
  36 RCSID("$Id$");
  37 
  38 /*
  39  * Return a NULL-terminated list of default realms in `realms'.
  40  * Free this memory with krb5_free_host_realm.
  41  */
  42 
  43 krb5_error_code KRB5_LIB_FUNCTION
  44 krb5_get_default_realms (krb5_context context,
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  45                          krb5_realm **realms)
  46 {
  47     if (context->default_realms == NULL) {
  48         krb5_error_code ret = krb5_set_default_realm (context, NULL);
  49         if (ret)
  50             return KRB5_CONFIG_NODEFREALM;
  51     }
  52 
  53     return krb5_copy_host_realm (context,
  54                                  context->default_realms,
  55                                  realms);
  56 }
  57 
  58 /*
  59  * Return the first default realm.  For compatibility.
  60  */
  61 
  62 krb5_error_code KRB5_LIB_FUNCTION
  63 krb5_get_default_realm(krb5_context context,
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  64                        krb5_realm *realm)
  65 {
  66     krb5_error_code ret;
  67     char *res;
  68 
  69     if (context->default_realms == NULL
  70         || context->default_realms[0] == NULL) {
  71         krb5_clear_error_message(context);
  72         ret = krb5_set_default_realm (context, NULL);
  73         if (ret)
  74             return ret;
  75     }
  76 
  77     res = strdup (context->default_realms[0]);
  78     if (res == NULL) {
  79         krb5_set_error_message(context, ENOMEM,
  80                                N_("malloc: out of memory", ""));
  81         return ENOMEM;
  82     }
  83     *realm = res;
  84     return 0;
  85 }

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