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      1 /*	$NetBSD: process_context_token.c,v 1.2 2017/01/28 21:31:46 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2003 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include "gsskrb5_locl.h"
     37 
     38 OM_uint32 GSSAPI_CALLCONV _gsskrb5_process_context_token (
     39 	OM_uint32          *minor_status,
     40 	gss_const_ctx_id_t context_handle,
     41 	const gss_buffer_t token_buffer
     42     )
     43 {
     44     krb5_context context;
     45     OM_uint32 ret = GSS_S_FAILURE;
     46     gss_buffer_desc empty_buffer;
     47 
     48     empty_buffer.length = 0;
     49     empty_buffer.value = NULL;
     50 
     51     GSSAPI_KRB5_INIT (&context);
     52 
     53     ret = _gsskrb5_verify_mic_internal(minor_status,
     54 				       (gsskrb5_ctx)context_handle,
     55 				       context,
     56 				       token_buffer, &empty_buffer,
     57 				       GSS_C_QOP_DEFAULT,
     58 				       "\x01\x02");
     59 
     60     if (ret == GSS_S_COMPLETE)
     61 	ret = _gsskrb5_delete_sec_context(minor_status,
     62 					  rk_UNCONST(&context_handle),
     63 					  GSS_C_NO_BUFFER);
     64     if (ret == GSS_S_COMPLETE)
     65 	*minor_status = 0;
     66 
     67     return ret;
     68 }
     69