randkey_s.c revision 55682 
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
36RCSID("$Id: randkey_s.c,v 1.10 1999/12/02 17:05:07 joda Exp $");
37
38/*
39 * Set the keys of `princ' to random values, returning the random keys
40 * in `new_keys', `n_keys'.
41 */
42
43kadm5_ret_t
44kadm5_s_randkey_principal(void *server_handle,
45			  krb5_principal princ,
46			  krb5_keyblock **new_keys,
47			  int *n_keys)
48{
49    kadm5_server_context *context = server_handle;
50    hdb_entry ent;
51    kadm5_ret_t ret;
52
53    ent.principal = princ;
54    ret = context->db->open(context->context, context->db, O_RDWR, 0);
55    if(ret)
56	return ret;
57    ret = context->db->fetch(context->context, context->db, 0, &ent);
58    if(ret)
59	goto out;
60
61    ret = _kadm5_set_keys_randomly (context,
62				    &ent,
63				    new_keys,
64				    n_keys);
65    if (ret)
66	goto out2;
67
68    ret = _kadm5_set_modifier(context, &ent);
69    if(ret)
70	goto out3;
71
72    hdb_seal_keys(context->db, &ent);
73
74    kadm5_log_modify (context,
75		      &ent,
76		      KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
77		      KADM5_KEY_DATA | KADM5_KVNO);
78
79    ret = context->db->store(context->context, context->db,
80			     HDB_F_REPLACE, &ent);
81out3:
82    if (ret) {
83	int i;
84
85	for (i = 0; i < *n_keys; ++i)
86	    krb5_free_keyblock_contents (context->context, &(*new_keys)[i]);
87	free (*new_keys);
88	*new_keys = NULL;
89	*n_keys = 0;
90    }
91out2:
92    hdb_free_entry(context->context, &ent);
93out:
94    context->db->close(context->context, context->db);
95    return _kadm5_error_code(ret);
96}
97