freebsd-nq/crypto/heimdal/lib/krb5/padata.c
2008-05-07 13:39:42 +00:00

67 lines
2.4 KiB
C

/*
* Copyright (c) 1997 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"
RCSID("$Id: padata.c 15469 2005-06-17 04:28:35Z lha $");
PA_DATA *
krb5_find_padata(PA_DATA *val, unsigned len, int type, int *idx)
{
for(; *idx < len; (*idx)++)
if(val[*idx].padata_type == type)
return val + *idx;
return NULL;
}
int KRB5_LIB_FUNCTION
krb5_padata_add(krb5_context context, METHOD_DATA *md,
int type, void *buf, size_t len)
{
PA_DATA *pa;
pa = realloc (md->val, (md->len + 1) * sizeof(*md->val));
if (pa == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
md->val = pa;
pa[md->len].padata_type = type;
pa[md->len].padata_value.length = len;
pa[md->len].padata_value.data = buf;
md->len++;
return 0;
}