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[FreeBSD/releng/10.0.git] / crypto / heimdal / lib / gssapi / ntlm / inquire_sec_context_by_oid.c
1 /*
2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
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 }