1 /* $NetBSD: copy_host_realm.c,v 1.1.1.1 2011/04/13 18:15:32 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "krb5_locl.h" 37 38 /** 39 * Copy the list of realms from `from' to `to'. 40 * 41 * @param context Kerberos 5 context. 42 * @param from list of realms to copy from. 43 * @param to list of realms to copy to, free list of krb5_free_host_realm(). 44 * 45 * @return Returns 0 to indicate success. Otherwise an kerberos et 46 * error code is returned, see krb5_get_error_message(). 47 * 48 * @ingroup krb5 49 */ 50 51 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 52 krb5_copy_host_realm(krb5_context context, 53 const krb5_realm *from, 54 krb5_realm **to) 55 { 56 unsigned int n, i; 57 const krb5_realm *p; 58 59 for (n = 1, p = from; *p != NULL; ++p) 60 ++n; 61 62 *to = calloc (n, sizeof(**to)); 63 if (*to == NULL) { 64 krb5_set_error_message (context, ENOMEM, 65 N_("malloc: out of memory", "")); 66 return ENOMEM; 67 } 68 69 for (i = 0, p = from; *p != NULL; ++p, ++i) { 70 (*to)[i] = strdup(*p); 71 if ((*to)[i] == NULL) { 72 krb5_free_host_realm (context, *to); 73 krb5_set_error_message (context, ENOMEM, 74 N_("malloc: out of memory", "")); 75 return ENOMEM; 76 } 77 } 78 return 0; 79 } 80