xref: /netbsd-src/crypto/external/bsd/heimdal/dist/lib/gssapi/ntlm/inquire_sec_context_by_oid.c (revision d3273b5b76f5afaafe308cead5511dbb8df8c5e9)
1 /*	$NetBSD: inquire_sec_context_by_oid.c,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 2006 Kungliga Tekniska H�gskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * 3. Neither the name of the Institute nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 #include "ntlm.h"
39 
40 OM_uint32 GSSAPI_CALLCONV
_gss_ntlm_inquire_sec_context_by_oid(OM_uint32 * minor_status,gss_const_ctx_id_t context_handle,const gss_OID desired_object,gss_buffer_set_t * data_set)41 _gss_ntlm_inquire_sec_context_by_oid(OM_uint32 *minor_status,
42 				     gss_const_ctx_id_t context_handle,
43 				     const gss_OID desired_object,
44 				     gss_buffer_set_t *data_set)
45 {
46     ntlm_ctx ctx = (ntlm_ctx)context_handle;
47 
48     if (ctx == NULL) {
49 	*minor_status = 0;
50 	return GSS_S_NO_CONTEXT;
51     }
52 
53     if (gss_oid_equal(desired_object, GSS_NTLM_GET_SESSION_KEY_X) ||
54         gss_oid_equal(desired_object, GSS_C_INQ_SSPI_SESSION_KEY)) {
55 	gss_buffer_desc value;
56 
57 	value.length = ctx->sessionkey.length;
58 	value.value = ctx->sessionkey.data;
59 
60 	return gss_add_buffer_set_member(minor_status,
61 					 &value,
62 					 data_set);
63     } else if (gss_oid_equal(desired_object, GSS_C_INQ_WIN2K_PAC_X)) {
64 	if (ctx->pac.length == 0) {
65 	    *minor_status = ENOENT;
66 	    return GSS_S_FAILURE;
67 	}
68 
69 	return gss_add_buffer_set_member(minor_status,
70 					 &ctx->pac,
71 					 data_set);
72 
73     } else if (gss_oid_equal(desired_object, GSS_C_NTLM_AVGUEST)) {
74 	gss_buffer_desc value;
75 	uint32_t num;
76 
77 	if (ctx->kcmflags & KCM_NTLM_FLAG_AV_GUEST)
78 	    num = 1;
79 	else
80 	    num = 0;
81 
82 	value.length = sizeof(num);
83 	value.value = #
84 
85 	return gss_add_buffer_set_member(minor_status,
86 					 &value,
87 					 data_set);
88     } else {
89 	*minor_status = 0;
90 	return GSS_S_FAILURE;
91     }
92 }
93