1 /*
2  * Copyright (c) 2003 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 "gsskrb5_locl.h"
35 
36 OM_uint32 GSSAPI_CALLCONV _gsskrb5_process_context_token (
37 	OM_uint32          *minor_status,
38 	const gss_ctx_id_t context_handle,
39 	const gss_buffer_t token_buffer
40     )
41 {
42     krb5_context context;
43     OM_uint32 ret = GSS_S_FAILURE;
44     gss_buffer_desc empty_buffer;
45 
46     empty_buffer.length = 0;
47     empty_buffer.value = NULL;
48 
49     GSSAPI_KRB5_INIT (&context);
50 
51     ret = _gsskrb5_verify_mic_internal(minor_status,
52 				       (gsskrb5_ctx)context_handle,
53 				       context,
54 				       token_buffer, &empty_buffer,
55 				       GSS_C_QOP_DEFAULT,
56 				       "\x01\x02");
57 
58     if (ret == GSS_S_COMPLETE)
59 	ret = _gsskrb5_delete_sec_context(minor_status,
60 					  rk_UNCONST(&context_handle),
61 					  GSS_C_NO_BUFFER);
62     if (ret == GSS_S_COMPLETE)
63 	*minor_status = 0;
64 
65     return ret;
66 }
67