1/*
2 * Copyright (c) 1997 - 2001, 2003, 2005 - 2005 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
38kadm5_ret_t
39kadm5_s_rename_principal(void *server_handle,
40			 krb5_principal source,
41			 krb5_principal target)
42{
43    kadm5_server_context *context = server_handle;
44    kadm5_ret_t ret;
45    hdb_entry_ex ent;
46    krb5_principal oldname;
47
48    memset(&ent, 0, sizeof(ent));
49    if(krb5_principal_compare(context->context, source, target))
50	return KADM5_DUP; /* XXX is this right? */
51    if (!context->keep_open) {
52	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
53	if(ret)
54	    return ret;
55    }
56    ret = context->db->hdb_fetch_kvno(context->context, context->db,
57				      source, HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
58    if(ret){
59	if (!context->keep_open)
60	    context->db->hdb_close(context->context, context->db);
61	goto out;
62    }
63    ret = _kadm5_set_modifier(context, &ent.entry);
64    if(ret)
65	goto out2;
66    {
67	/* fix salt */
68	size_t i;
69	Salt salt;
70	krb5_salt salt2;
71	memset(&salt, 0, sizeof(salt));
72	krb5_get_pw_salt(context->context, source, &salt2);
73	salt.type = hdb_pw_salt;
74	salt.salt = salt2.saltvalue;
75	for(i = 0; i < ent.entry.keys.len; i++){
76	    if(ent.entry.keys.val[i].salt == NULL){
77		ent.entry.keys.val[i].salt =
78		    malloc(sizeof(*ent.entry.keys.val[i].salt));
79		if(ent.entry.keys.val[i].salt == NULL)
80		    return ENOMEM;
81		ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
82		if(ret)
83		    break;
84	    }
85	}
86	krb5_free_salt(context->context, salt2);
87    }
88    if(ret)
89	goto out2;
90    oldname = ent.entry.principal;
91    ent.entry.principal = target;
92
93    ret = hdb_seal_keys(context->context, context->db, &ent.entry);
94    if (ret) {
95	ent.entry.principal = oldname;
96	goto out2;
97    }
98
99    kadm5_log_rename (context, source, &ent.entry);
100
101    ret = context->db->hdb_store(context->context, context->db, 0, &ent);
102    if(ret){
103	ent.entry.principal = oldname;
104	goto out2;
105    }
106    ret = context->db->hdb_remove(context->context, context->db, oldname);
107    ent.entry.principal = oldname;
108out2:
109    if (!context->keep_open)
110	context->db->hdb_close(context->context, context->db);
111    hdb_free_entry(context->context, &ent);
112out:
113    return _kadm5_error_code(ret);
114}
115
116