crypto/heimdal-0.6.3/lib/kadm5/free.c

   1 /*
   2  * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
   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 "kadm5_locl.h"
  35
  36 RCSID("$Id: free.c,v 1.4 1999/12/02 17:05:06 joda Exp $");
  37
  38 void
  39 kadm5_free_key_data(void *server_handle,
  40                     int16_t *n_key_data,
  41                     krb5_key_data *key_data)
  42 {
  43     int i;
  44     for(i = 0; i < *n_key_data; i++){
  45         if(key_data[i].key_data_contents[0]){
  46             memset(key_data[i].key_data_contents[0],
  47                    0,
  48                    key_data[i].key_data_length[0]);
  49             free(key_data[i].key_data_contents[0]);
  50         }
  51         if(key_data[i].key_data_contents[1])
  52             free(key_data[i].key_data_contents[1]);
  53     }
  54     *n_key_data = 0;
  55 }
  56
  57
  58 void
  59 kadm5_free_principal_ent(void *server_handle,
  60                          kadm5_principal_ent_t princ)
  61 {
  62     kadm5_server_context *context = server_handle;
  63     if(princ->principal)
  64         krb5_free_principal(context->context, princ->principal);
  65     if(princ->mod_name)
  66         krb5_free_principal(context->context, princ->mod_name);
  67     kadm5_free_key_data(server_handle, &princ->n_key_data, princ->key_data);
  68     while(princ->n_tl_data && princ->tl_data) {
  69         krb5_tl_data *tp;
  70         tp = princ->tl_data;
  71         princ->tl_data = tp->tl_data_next;
  72         princ->n_tl_data--;
  73         memset(tp->tl_data_contents, 0, tp->tl_data_length);
  74         free(tp->tl_data_contents);
  75         free(tp);
  76     }
  77     if (princ->key_data != NULL)
  78         free (princ->key_data);
  79 }
  80
  81 void
  82 kadm5_free_name_list(void *server_handle,
  83                      char **names,
  84                      int *count)
  85 {
  86     int i;
  87     for(i = 0; i < *count; i++)
  88         free(names[i]);
  89     free(names);
  90     *count = 0;
  91 }