xref: /freebsd/crypto/heimdal/lib/kadm5/rename_s.c (revision 879b0e9cd2ada8f815e208d31feb4b7c05ba7e4a)
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
kadm5_s_rename_principal(void * server_handle,krb5_principal source,krb5_principal target)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  	ret = krb5_get_pw_salt(context->context, source, &salt2);
70  	if (ret)
71  	    goto out;
72  	salt.type = hdb_pw_salt;
73  	salt.salt = salt2.saltvalue;
74  	for(i = 0; i < ent.entry.keys.len; i++){
75  	    if(ent.entry.keys.val[i].salt == NULL){
76  		ent.entry.keys.val[i].salt =
77  		    malloc(sizeof(*ent.entry.keys.val[i].salt));
78  		if(ent.entry.keys.val[i].salt == NULL)
79  		    return ENOMEM;
80  		ret = copy_Salt(&salt, ent.entry.keys.val[i].salt);
81  		if(ret)
82  		    break;
83  	    }
84  	}
85  	krb5_free_salt(context->context, salt2);
86      }
87      if(ret)
88  	goto out2;
89      oldname = ent.entry.principal;
90      ent.entry.principal = target;
91  
92      ret = hdb_seal_keys(context->context, context->db, &ent.entry);
93      if (ret) {
94  	ent.entry.principal = oldname;
95  	goto out2;
96      }
97  
98      kadm5_log_rename (context, source, &ent.entry);
99  
100      ret = context->db->hdb_store(context->context, context->db, 0, &ent);
101      if(ret){
102  	ent.entry.principal = oldname;
103  	goto out2;
104      }
105      ret = context->db->hdb_remove(context->context, context->db, oldname);
106      ent.entry.principal = oldname;
107  out2:
108      context->db->hdb_close(context->context, context->db);
109      hdb_free_entry(context->context, &ent);
110  out:
111      return _kadm5_error_code(ret);
112  }
113  
114