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/*
* Copyright (c) 2006 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "mech_locl.h"
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_decapsulate_token(gss_const_buffer_t input_token,
gss_const_OID oid,
gss_buffer_t output_token)
{
GSSAPIContextToken ct;
heim_oid o;
OM_uint32 status;
int ret;
size_t size;
_mg_buffer_zero(output_token);
ret = der_get_oid (oid->elements, oid->length, &o, &size);
if (ret)
return GSS_S_FAILURE;
ret = decode_GSSAPIContextToken(input_token->value, input_token->length,
&ct, NULL);
if (ret) {
der_free_oid(&o);
return GSS_S_FAILURE;
}
if (der_heim_oid_cmp(&ct.thisMech, &o) == 0) {
status = GSS_S_COMPLETE;
output_token->value = ct.innerContextToken.data;
output_token->length = ct.innerContextToken.length;
der_free_oid(&ct.thisMech);
} else {
free_GSSAPIContextToken(&ct);
status = GSS_S_FAILURE;
}
der_free_oid(&o);
return status;
}
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