1 /*	$NetBSD: padata.c,v 1.1.1.1 2011/04/13 18:15:36 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 Kungliga Tekniska Högskolan
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 KRB5_LIB_FUNCTION PA_DATA * KRB5_LIB_CALL
39 krb5_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 
47 KRB5_LIB_FUNCTION int KRB5_LIB_CALL
48 krb5_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_message(context, ENOMEM,
56 			       N_("malloc: out of memory", ""));
57 	return ENOMEM;
58     }
59     md->val = pa;
60 
61     pa[md->len].padata_type = type;
62     pa[md->len].padata_value.length = len;
63     pa[md->len].padata_value.data = buf;
64     md->len++;
65 
66     return 0;
67 }
68