crypto/external/bsd/heimdal/dist/lib/gssapi/ntlm/delete_sec_context.c

   1 /*      $NetBSD: delete_sec_context.c,v 1.1.1.1 2011/04/13 18:14:47 elric Exp $ */
   2
   3 /*
   4  * Copyright (c) 1997 - 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 "ntlm.h"
  37
  38 OM_uint32 GSSAPI_CALLCONV _gss_ntlm_delete_sec_context
  39            (OM_uint32 * minor_status,
  40             gss_ctx_id_t * context_handle,
  41             gss_buffer_t output_token
  42            )
  43 {
  44     if (context_handle) {
  45         ntlm_ctx ctx = (ntlm_ctx)*context_handle;
  46         gss_cred_id_t cred = (gss_cred_id_t)ctx->client;
  47
  48         *context_handle = GSS_C_NO_CONTEXT;
  49
  50         if (ctx->server)
  51             (*ctx->server->nsi_destroy)(minor_status, ctx->ictx);
  52
  53         _gss_ntlm_release_cred(NULL, &cred);
  54
  55         memset(ctx, 0, sizeof(*ctx));
  56         free(ctx);
  57     }
  58     if (output_token) {
  59         output_token->length = 0;
  60         output_token->value  = NULL;
  61     }
  62
  63     *minor_status = 0;
  64     return GSS_S_COMPLETE;
  65 }