/* * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include "krb5_locl.h" /** * Copy the list of realms from `from' to `to'. * * @param context Kerberos 5 context. * @param from list of realms to copy from. * @param to list of realms to copy to, free list of krb5_free_host_realm(). * * @return Returns 0 to indicate success. Otherwise an kerberos et * error code is returned, see krb5_get_error_message(). * * @ingroup krb5 */ KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_copy_host_realm(krb5_context context, const krb5_realm *from, krb5_realm **to) { unsigned int n, i; const krb5_realm *p; for (n = 1, p = from; *p != NULL; ++p) ++n; *to = calloc (n, sizeof(**to)); if (*to == NULL) { krb5_set_error_message (context, ENOMEM, N_("malloc: out of memory", "")); return ENOMEM; } for (i = 0, p = from; *p != NULL; ++p, ++i) { (*to)[i] = strdup(*p); if ((*to)[i] == NULL) { krb5_free_host_realm (context, *to); krb5_set_error_message (context, ENOMEM, N_("malloc: out of memory", "")); return ENOMEM; } } return 0; } |