1/*
2 * Copyright (c) 1997-2001, 2003-2006 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
36RCSID("$Id$");
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_boolean keepold,
47			  int n_ks_tuple,
48			  krb5_key_salt_tuple *ks_tuple,
49			  krb5_keyblock **new_keys,
50			  int *n_keys)
51{
52    kadm5_server_context *context = server_handle;
53    hdb_entry_ex ent;
54    kadm5_ret_t ret;
55
56    memset(&ent, 0, sizeof(ent));
57    if (!context->keep_open) {
58	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
59	if(ret)
60	    return ret;
61    }
62    ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
63				      HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
64    if(ret)
65	goto out;
66
67    if (keepold) {
68	ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
69	if (ret)
70	    goto out2;
71    }
72
73    ret = _kadm5_set_keys_randomly (context,
74				    &ent.entry,
75				    n_ks_tuple,
76				    ks_tuple,
77				    new_keys,
78				    n_keys);
79    if (ret)
80	goto out2;
81    ent.entry.kvno++;
82
83    ret = _kadm5_set_modifier(context, &ent.entry);
84    if(ret)
85	goto out3;
86    ret = _kadm5_bump_pw_expire(context, &ent.entry);
87    if (ret)
88	goto out2;
89
90    if (keepold) {
91	ret = hdb_seal_keys(context->context, context->db, &ent.entry);
92	if (ret)
93	    goto out2;
94    } else {
95	HDB_extension ext;
96
97	ext.data.element = choice_HDB_extension_data_hist_keys;
98	ext.data.u.hist_keys.len = 0;
99	ext.data.u.hist_keys.val = NULL;
100	hdb_replace_extension(context->context, &ent.entry, &ext);
101    }
102
103    ret = context->db->hdb_store(context->context, context->db,
104				 HDB_F_REPLACE, &ent);
105    if (ret)
106	goto out2;
107
108    kadm5_log_modify (context,
109		      &ent.entry,
110		      KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
111		      KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
112		      KADM5_TL_DATA);
113
114out3:
115    if (ret) {
116	int i;
117
118	for (i = 0; i < *n_keys; ++i)
119	    krb5_free_keyblock_contents (context->context, &(*new_keys)[i]);
120	free (*new_keys);
121	*new_keys = NULL;
122	*n_keys = 0;
123    }
124out2:
125    hdb_free_entry(context->context, &ent);
126out:
127    if (!context->keep_open)
128	context->db->hdb_close(context->context, context->db);
129    return _kadm5_error_code(ret);
130}
131