xref: /freebsd/crypto/heimdal/lib/kadm5/free.c (revision 9a14aa017b21c292740c00ee098195cd46642730)
1 /*
2  * Copyright (c) 1997 - 1999 Kungliga Tekniska H�gskolan
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 7464 1999-12-02 17:05:13Z joda $");
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 }
92