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 /* 37 * Return a NULL-terminated list of default realms in `realms'. 38 * Free this memory with krb5_free_host_realm. 39 */ 40 41 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 42 krb5_get_default_realms (krb5_context context, 43 krb5_realm **realms) 44 { 45 if (context->default_realms == NULL) { 46 krb5_error_code ret = krb5_set_default_realm (context, NULL); 47 if (ret) 48 return KRB5_CONFIG_NODEFREALM; 49 } 50 51 return krb5_copy_host_realm (context, 52 context->default_realms, 53 realms); 54 } 55 56 /* 57 * Return the first default realm. For compatibility. 58 */ 59 60 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 61 krb5_get_default_realm(krb5_context context, 62 krb5_realm *realm) 63 { 64 krb5_error_code ret; 65 char *res; 66 67 if (context->default_realms == NULL 68 || context->default_realms[0] == NULL) { 69 krb5_clear_error_message(context); 70 ret = krb5_set_default_realm (context, NULL); 71 if (ret) 72 return ret; 73 } 74 75 res = strdup (context->default_realms[0]); 76 if (res == NULL) { 77 krb5_set_error_message(context, ENOMEM, 78 N_("malloc: out of memory", "")); 79 return ENOMEM; 80 } 81 *realm = res; 82 return 0; 83 } 84