1 /* $NetBSD: randkey_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2001, 2003-2006 Kungliga Tekniska Högskolan
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 "kadm5_locl.h"
37
38 __RCSID("$NetBSD: randkey_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $");
39
40 /*
41 * Set the keys of `princ' to random values, returning the random keys
42 * in `new_keys', `n_keys'.
43 */
44
45 kadm5_ret_t
kadm5_s_randkey_principal(void * server_handle,krb5_principal princ,krb5_boolean keepold,int n_ks_tuple,krb5_key_salt_tuple * ks_tuple,krb5_keyblock ** new_keys,int * n_keys)46 kadm5_s_randkey_principal(void *server_handle,
47 krb5_principal princ,
48 krb5_boolean keepold,
49 int n_ks_tuple,
50 krb5_key_salt_tuple *ks_tuple,
51 krb5_keyblock **new_keys,
52 int *n_keys)
53 {
54 kadm5_server_context *context = server_handle;
55 hdb_entry_ex ent;
56 kadm5_ret_t ret;
57
58 memset(&ent, 0, sizeof(ent));
59 if (!context->keep_open) {
60 ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
61 if(ret)
62 return ret;
63 }
64
65 ret = kadm5_log_init(context);
66 if (ret)
67 goto out;
68
69 ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
70 HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
71 if(ret)
72 goto out2;
73
74 if (keepold) {
75 ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
76 if (ret)
77 goto out3;
78 }
79
80 ret = _kadm5_set_keys_randomly(context, &ent.entry, n_ks_tuple, ks_tuple,
81 new_keys, n_keys);
82 if (ret)
83 goto out3;
84 ent.entry.kvno++;
85
86 ent.entry.flags.require_pwchange = 0;
87
88 ret = _kadm5_set_modifier(context, &ent.entry);
89 if(ret)
90 goto out4;
91 ret = _kadm5_bump_pw_expire(context, &ent.entry);
92 if (ret)
93 goto out4;
94
95 if (keepold) {
96 ret = hdb_seal_keys(context->context, context->db, &ent.entry);
97 if (ret)
98 goto out4;
99 } else {
100 HDB_extension ext;
101
102 memset(&ext, 0, sizeof (ext));
103 ext.mandatory = FALSE;
104 ext.data.element = choice_HDB_extension_data_hist_keys;
105 ext.data.u.hist_keys.len = 0;
106 ext.data.u.hist_keys.val = NULL;
107 hdb_replace_extension(context->context, &ent.entry, &ext);
108 }
109
110 /* This logs the change for iprop and writes to the HDB */
111 ret = kadm5_log_modify(context, &ent.entry,
112 KADM5_ATTRIBUTES | KADM5_PRINCIPAL |
113 KADM5_MOD_NAME | KADM5_MOD_TIME |
114 KADM5_KEY_DATA | KADM5_KVNO |
115 KADM5_PW_EXPIRATION | KADM5_TL_DATA);
116
117 out4:
118 if (ret) {
119 int i;
120
121 for (i = 0; i < *n_keys; ++i)
122 krb5_free_keyblock_contents(context->context, &(*new_keys)[i]);
123 free (*new_keys);
124 *new_keys = NULL;
125 *n_keys = 0;
126 }
127 out3:
128 hdb_free_entry(context->context, &ent);
129 out2:
130 (void) kadm5_log_end(context);
131 out:
132 if (!context->keep_open) {
133 kadm5_ret_t ret2;
134 ret2 = context->db->hdb_close(context->context, context->db);
135 if (ret == 0 && ret2 != 0)
136 ret = ret2;
137 }
138 return _kadm5_error_code(ret);
139 }
140