70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/*
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* Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5_locl.h"
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RCSID("$Id: copy_host_realm.c,v 1.4 2001/05/14 06:14:45 assar Exp $");
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/*
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* Copy the list of realms from `from' to `to'.
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*/
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krb5_error_code
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krb5_copy_host_realm(krb5_context context,
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const krb5_realm *from,
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krb5_realm **to)
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{
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int n, i;
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const krb5_realm *p;
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for (n = 0, p = from; *p != NULL; ++p)
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++n;
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++n;
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*to = malloc (n * sizeof(**to));
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if (*to == NULL) {
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krb5_set_error_string (context, "malloc: out of memory");
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return ENOMEM;
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}
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for (i = 0; i < n; ++i)
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(*to)[i] = NULL;
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for (i = 0, p = from; *p != NULL; ++p, ++i) {
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(*to)[i] = strdup(*p);
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if ((*to)[i] == NULL) {
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krb5_free_host_realm (context, *to);
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krb5_set_error_string (context, "malloc: out of memory");
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return ENOMEM;
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}
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}
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return 0;
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}
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