1/* $NetBSD: copy_host_realm.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3/* 4 * Copyright (c) 1999 - 2001 Kungliga Tekniska H��gskolan 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 51KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL 52krb5_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 return krb5_enomem(context); 65 66 for (i = 0, p = from; *p != NULL; ++p, ++i) { 67 (*to)[i] = strdup(*p); 68 if ((*to)[i] == NULL) { 69 krb5_free_host_realm (context, *to); 70 return krb5_enomem(context); 71 } 72 } 73 return 0; 74} 75