lib/gssapi/ntlm/delete_sec_context.c

   1 /*
   2  * Copyright (c) 1997 - 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 "ntlm.h"
  35
  36 OM_uint32 GSSAPI_CALLCONV _gss_ntlm_delete_sec_context
  37            (OM_uint32 * minor_status,
  38             gss_ctx_id_t * context_handle,
  39             gss_buffer_t output_token
  40            )
  41 {
  42     if (context_handle) {
  43         ntlm_ctx ctx = (ntlm_ctx)*context_handle;
  44         gss_cred_id_t cred = (gss_cred_id_t)ctx->client;
  45
  46         *context_handle = GSS_C_NO_CONTEXT;
  47
  48         if (ctx->server)
  49             (*ctx->server->nsi_destroy)(minor_status, ctx->ictx);
  50
  51         _gss_ntlm_release_cred(NULL, &cred);
  52
  53         memset(ctx, 0, sizeof(*ctx));
  54         free(ctx);
  55     }
  56     if (output_token) {
  57         output_token->length = 0;
  58         output_token->value  = NULL;
  59     }
  60
  61     *minor_status = 0;
  62     return GSS_S_COMPLETE;
  63 }