xref: /freebsd/crypto/heimdal/lib/kadm5/randkey_s.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
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 
36 RCSID("$Id$");
37 
38 /*
39  * Set the keys of `princ' to random values, returning the random keys
40  * in `new_keys', `n_keys'.
41  */
42 
43 kadm5_ret_t
44 kadm5_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_ex ent;
51     kadm5_ret_t ret;
52 
53     memset(&ent, 0, sizeof(ent));
54     ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
55     if(ret)
56 	return ret;
57     ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
58 				      HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
59     if(ret)
60 	goto out;
61 
62     ret = _kadm5_set_keys_randomly (context,
63 				    &ent.entry,
64 				    new_keys,
65 				    n_keys);
66     if (ret)
67 	goto out2;
68     ent.entry.kvno++;
69 
70     ret = _kadm5_set_modifier(context, &ent.entry);
71     if(ret)
72 	goto out3;
73     ret = _kadm5_bump_pw_expire(context, &ent.entry);
74     if (ret)
75 	goto out2;
76 
77     ret = hdb_seal_keys(context->context, context->db, &ent.entry);
78     if (ret)
79 	goto out2;
80 
81     ret = context->db->hdb_store(context->context, context->db,
82 				 HDB_F_REPLACE, &ent);
83     if (ret)
84 	goto out2;
85 
86     kadm5_log_modify (context,
87 		      &ent.entry,
88 		      KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
89 		      KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
90 		      KADM5_TL_DATA);
91 
92 out3:
93     if (ret) {
94 	int i;
95 
96 	for (i = 0; i < *n_keys; ++i)
97 	    krb5_free_keyblock_contents (context->context, &(*new_keys)[i]);
98 	free (*new_keys);
99 	*new_keys = NULL;
100 	*n_keys = 0;
101     }
102 out2:
103     hdb_free_entry(context->context, &ent);
104 out:
105     context->db->hdb_close(context->context, context->db);
106     return _kadm5_error_code(ret);
107 }
108