1 /* 2 * Copyright (c) 1999 - 2001 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 * Copy the list of realms from `from' to `to'. 38 * 39 * @param context Kerberos 5 context. 40 * @param from list of realms to copy from. 41 * @param to list of realms to copy to, free list of krb5_free_host_realm(). 42 * 43 * @return Returns 0 to indicate success. Otherwise an kerberos et 44 * error code is returned, see krb5_get_error_message(). 45 * 46 * @ingroup krb5 47 */ 48 49 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 50 krb5_copy_host_realm(krb5_context context, 51 const krb5_realm *from, 52 krb5_realm **to) 53 { 54 unsigned int n, i; 55 const krb5_realm *p; 56 57 for (n = 1, p = from; *p != NULL; ++p) 58 ++n; 59 60 *to = calloc (n, sizeof(**to)); 61 if (*to == NULL) { 62 krb5_set_error_message (context, ENOMEM, 63 N_("malloc: out of memory", "")); 64 return ENOMEM; 65 } 66 67 for (i = 0, p = from; *p != NULL; ++p, ++i) { 68 (*to)[i] = strdup(*p); 69 if ((*to)[i] == NULL) { 70 krb5_free_host_realm (context, *to); 71 krb5_set_error_message (context, ENOMEM, 72 N_("malloc: out of memory", "")); 73 return ENOMEM; 74 } 75 } 76 return 0; 77 } 78