crypto/external/bsd/heimdal/dist/lib/krb5/padata.c

   1 /*      $NetBSD: padata.c,v 1.1.1.2 2014/04/24 12:45:50 pettai 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 < (int)len; (*idx)++)
  42         if(val[*idx].padata_type == (unsigned)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 }