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    ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
52    if(ret)
53	return ret;
54    ret = context->db->hdb_fetch_kvno(context->context, context->db,
55				      source, HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
56    if(ret){
57	context->db->hdb_close(context->context, context->db);
58	goto out;
59    }
60    ret = _kadm5_set_modifier(context, &ent.entry);
61    if(ret)
62	goto out2;
63    {
64	/* fix salt */
65	size_t i;
66	Salt salt;
67	krb5_salt salt2;
68	memset(&salt, 0, sizeof(salt));
69	krb5_get_pw_salt(context->context, source, &salt2);
70	salt.type = hdb_pw_salt;
71	salt.salt = salt2.saltvalue;
72	for(i = 0; i < ent.entry.keys.len; i++){
73	    if(ent.entry.keys.val[i].salt == NULL){
74		ent.entry.keys.val[i].salt =
75		    malloc(sizeof(*ent.entry.keys.val[i].salt));
76		if(ent.entry.keys.val[i].salt == NULL)
77		    return ENOMEM;
78		ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
79		if(ret)
80		    break;
81	    }
82	}
83	krb5_free_salt(context->context, salt2);
84    }
85    if(ret)
86	goto out2;
87    oldname = ent.entry.principal;
88    ent.entry.principal = target;
89
90    ret = hdb_seal_keys(context->context, context->db, &ent.entry);
91    if (ret) {
92	ent.entry.principal = oldname;
93	goto out2;
94    }
95
96    kadm5_log_rename (context, source, &ent.entry);
97
98    ret = context->db->hdb_store(context->context, context->db, 0, &ent);
99    if(ret){
100	ent.entry.principal = oldname;
101	goto out2;
102    }
103    ret = context->db->hdb_remove(context->context, context->db, oldname);
104    ent.entry.principal = oldname;
105out2:
106    context->db->hdb_close(context->context, context->db);
107    hdb_free_entry(context->context, &ent);
108out:
109    return _kadm5_error_code(ret);
110}
111
112