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      1 /*	$NetBSD: padata.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 Kungliga Tekniska Hgskolan
      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 	return krb5_enomem(context);
     56     md->val = pa;
     57 
     58     pa[md->len].padata_type = type;
     59     pa[md->len].padata_value.length = len;
     60     pa[md->len].padata_value.data = buf;
     61     md->len++;
     62 
     63     return 0;
     64 }
     65