root/source4/heimdal/lib/gssapi/mech/gss_decapsulate_token.c

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DEFINITIONS

This source file includes following definitions.
  1. gss_decapsulate_token

   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 RCSID("$Id$");
  36 
  37 OM_uint32 GSSAPI_LIB_FUNCTION
  38 gss_decapsulate_token(gss_buffer_t input_token,
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  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 }

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