xref: /freebsd/crypto/heimdal/lib/kadm5/rename_s.c (revision 43a5ec4eb41567cc92586503212743d89686d78f)
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 
36 RCSID("$Id$");
37 
38 kadm5_ret_t
39 kadm5_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;
105 out2:
106     context->db->hdb_close(context->context, context->db);
107     hdb_free_entry(context->context, &ent);
108 out:
109     return _kadm5_error_code(ret);
110 }
111 
112