crypto/external/bsd/heimdal/dist/lib/gssapi/krb5/process_context_token.c

   1 /*      $NetBSD: process_context_token.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $     */
   2
   3 /*
   4  * Copyright (c) 2003 Kungliga Tekniska Högskolan
   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         const gss_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 }