1 /* 2 * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska H�gskolan 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: get_default_realm.c 13863 2004-05-25 21:46:46Z lha $"); 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, 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, 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_string(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_string(context, "malloc: out of memory"); 80 return ENOMEM; 81 } 82 *realm = res; 83 return 0; 84 } 85