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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src/router/samba-3.5.8/source4/heimdal/lib/gssapi/mech/
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 "mech_locl.h"
35RCSID("$Id: gss_decapsulate_token.c,v 1.1.1.1 2011/06/10 09:34:42 andrew Exp $");
36
37OM_uint32 GSSAPI_LIB_FUNCTION
38gss_decapsulate_token(gss_buffer_t input_token,
39		      gss_OID oid,
40		      gss_buffer_t output_token)
41{
42    GSSAPIContextToken ct;
43    heim_oid o;
44    OM_uint32 status;
45    int ret;
46    size_t size;
47
48    _mg_buffer_zero(output_token);
49
50    ret = der_get_oid (oid->elements, oid->length, &o, &size);
51    if (ret)
52	return GSS_S_FAILURE;
53
54    ret = decode_GSSAPIContextToken(input_token->value, input_token->length,
55				    &ct, NULL);
56    if (ret) {
57	der_free_oid(&o);
58	return GSS_S_FAILURE;
59    }
60
61    if (der_heim_oid_cmp(&ct.thisMech, &o) == 0) {
62	status = GSS_S_COMPLETE;
63	output_token->value = ct.innerContextToken.data;
64	output_token->length = ct.innerContextToken.length;
65	der_free_oid(&ct.thisMech);
66    } else {
67	free_GSSAPIContextToken(&ct);
68 	status = GSS_S_FAILURE;
69    }
70    der_free_oid(&o);
71
72    return status;
73}
74