xref: /freebsd/crypto/heimdal/lib/gssapi/ntlm/release_cred.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*
2  * Copyright (c) 2006 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 "ntlm.h"
35 
36 OM_uint32 GSSAPI_CALLCONV _gss_ntlm_release_cred
37            (OM_uint32 * minor_status,
38             gss_cred_id_t * cred_handle
39            )
40 {
41     ntlm_cred cred;
42 
43     if (minor_status)
44 	*minor_status = 0;
45 
46     if (cred_handle == NULL || *cred_handle == GSS_C_NO_CREDENTIAL)
47 	return GSS_S_COMPLETE;
48 
49     cred = (ntlm_cred)*cred_handle;
50     *cred_handle = GSS_C_NO_CREDENTIAL;
51 
52     if (cred->username)
53 	free(cred->username);
54     if (cred->domain)
55 	free(cred->domain);
56     if (cred->key.data) {
57 	memset(cred->key.data, 0, cred->key.length);
58 	free(cred->key.data);
59     }
60 
61     return GSS_S_COMPLETE;
62 }
63 
64