xref: /illumos-gate/usr/src/lib/krb5/plugins/kdb/ldap/libkdb_ldap/ldap_fetch_mkey.c (revision 1da57d551424de5a9d469760be7c4b4d4f10a755)
1 /*
2  * lib/kdb/kdb_ldap/ldap_fetch_mkey.c
3  *
4  * Copyright (c) 2004-2005, Novell, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  *   * Redistributions of source code must retain the above copyright notice,
11  *       this list of conditions and the following disclaimer.
12  *   * Redistributions in binary form must reproduce the above copyright
13  *       notice, this list of conditions and the following disclaimer in the
14  *       documentation and/or other materials provided with the distribution.
15  *   * The copyright holder's name is not used to endorse or promote products
16  *       derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "ldap_main.h"
32 #include "kdb_ldap.h"
33 
34 /*
35  * get the master key from the database specific context
36  */
37 
38 krb5_error_code
krb5_ldap_get_mkey(context,key)39 krb5_ldap_get_mkey (context, key)
40     krb5_context               context;
41     krb5_keyblock              **key;
42 
43 {
44     kdb5_dal_handle             *dal_handle=NULL;
45     krb5_ldap_context           *ldap_context=NULL;
46 
47     /* Clear the global error string */
48     krb5_clear_error_message(context);
49 
50     dal_handle = (kdb5_dal_handle *) context->db_context;
51     ldap_context = (krb5_ldap_context *) dal_handle->db_context;
52 
53     if (ldap_context == NULL || ldap_context->lrparams == NULL)
54 	return KRB5_KDB_DBNOTINITED;
55 
56     *key = &ldap_context->lrparams->mkey;
57     return 0;
58 }
59 
60 
61 /*
62  * set the master key into the database specific context
63  */
64 
65 krb5_error_code
krb5_ldap_set_mkey(context,pwd,key)66 krb5_ldap_set_mkey (context, pwd, key)
67     krb5_context                context;
68     char                        *pwd;
69     krb5_keyblock               *key;
70 {
71     kdb5_dal_handle             *dal_handle=NULL;
72     krb5_ldap_context           *ldap_context=NULL;
73     krb5_ldap_realm_params      *r_params = NULL;
74 
75     /* Clear the global error string */
76     krb5_clear_error_message(context);
77 
78     dal_handle = (kdb5_dal_handle *) context->db_context;
79     ldap_context = (krb5_ldap_context *) dal_handle->db_context;
80 
81     if (ldap_context == NULL || ldap_context->lrparams == NULL)
82 	return KRB5_KDB_DBNOTINITED;
83 
84     r_params = ldap_context->lrparams;
85 
86     if (r_params->mkey.contents) {
87 	free (r_params->mkey.contents);
88 	r_params->mkey.contents=NULL;
89     }
90 
91     r_params->mkey.magic = key->magic;
92     r_params->mkey.enctype = key->enctype;
93     r_params->mkey.length = key->length;
94     r_params->mkey.contents = malloc(key->length);
95     if (r_params->mkey.contents == NULL)
96 	return ENOMEM;
97 
98     memcpy(r_params->mkey.contents, key->contents, key->length);
99     return 0;
100 }
101