lib/gssapi/krb5/process_context_token.c

   1 /*
   2  * Copyright (c) 2003 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 "krb5/gsskrb5_locl.h"
  35
  36 RCSID("$Id$");
  37
  38 OM_uint32 _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     gss_qop_t qop_state;
  48
  49     empty_buffer.length = 0;
  50     empty_buffer.value = NULL;
  51
  52     GSSAPI_KRB5_INIT (&context);
  53
  54     qop_state = GSS_C_QOP_DEFAULT;
  55
  56     ret = _gsskrb5_verify_mic_internal(minor_status,
  57                                        (gsskrb5_ctx)context_handle,
  58                                        context,
  59                                        token_buffer, &empty_buffer,
  60                                        GSS_C_QOP_DEFAULT, "\x01\x02");
  61
  62     if (ret == GSS_S_COMPLETE)
  63         ret = _gsskrb5_delete_sec_context(minor_status,
  64                                           rk_UNCONST(&context_handle),
  65                                           GSS_C_NO_BUFFER);
  66     if (ret == GSS_S_COMPLETE)
  67         *minor_status = 0;
  68
  69     return ret;
  70 }