Line data    Source code

       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"
      35             : 
      36             : GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
      37           0 : gss_decapsulate_token(gss_const_buffer_t input_token,
      38             :                       gss_const_OID oid,
      39             :                       gss_buffer_t output_token)
      40             : {
      41           0 :     GSSAPIContextToken ct;
      42           0 :     heim_oid o;
      43           0 :     OM_uint32 status;
      44           0 :     int ret;
      45           0 :     size_t size;
      46             : 
      47           0 :     _mg_buffer_zero(output_token);
      48             : 
      49           0 :     ret = der_get_oid (oid->elements, oid->length, &o, &size);
      50           0 :     if (ret)
      51           0 :         return GSS_S_FAILURE;
      52             : 
      53           0 :     ret = decode_GSSAPIContextToken(input_token->value, input_token->length,
      54             :                                     &ct, NULL);
      55           0 :     if (ret) {
      56           0 :         der_free_oid(&o);
      57           0 :         return GSS_S_DEFECTIVE_TOKEN;
      58             :     }
      59             : 
      60           0 :     if (der_heim_oid_cmp(&ct.thisMech, &o) == 0) {
      61           0 :         status = GSS_S_COMPLETE;
      62           0 :         output_token->value = ct.innerContextToken.data;
      63           0 :         output_token->length = ct.innerContextToken.length;
      64           0 :         der_free_oid(&ct.thisMech);
      65             :     } else {
      66           0 :         free_GSSAPIContextToken(&ct);
      67           0 :         status = GSS_S_BAD_MECH;
      68             :     }
      69           0 :     der_free_oid(&o);
      70             : 
      71           0 :     return status;
      72             : }