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