padata.c revision 178826 
1/*
2 * Copyright (c) 1997 Kungliga Tekniska H�gskolan
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
36RCSID("$Id: padata.c 15469 2005-06-17 04:28:35Z lha $");
37
38PA_DATA *
39krb5_find_padata(PA_DATA *val, unsigned len, int type, int *idx)
40{
41    for(; *idx < len; (*idx)++)
42	if(val[*idx].padata_type == type)
43	    return val + *idx;
44    return NULL;
45}
46
47int KRB5_LIB_FUNCTION
48krb5_padata_add(krb5_context context, METHOD_DATA *md,
49		int type, void *buf, size_t len)
50{
51    PA_DATA *pa;
52
53    pa = realloc (md->val, (md->len + 1) * sizeof(*md->val));
54    if (pa == NULL) {
55	krb5_set_error_string(context, "malloc: out of memory");
56	return ENOMEM;
57    }
58    md->val = pa;
59
60    pa[md->len].padata_type = type;
61    pa[md->len].padata_value.length = len;
62    pa[md->len].padata_value.data = buf;
63    md->len++;
64
65    return 0;
66}
67