Line data    Source code

       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 "gsskrb5_locl.h"
      35             : 
      36             : OM_uint32 GSSAPI_CALLCONV
      37       76450 : _gsskrb5_delete_sec_context(OM_uint32 * minor_status,
      38             :                             gss_ctx_id_t * context_handle,
      39             :                             gss_buffer_t output_token)
      40             : {
      41        1926 :     krb5_context context;
      42        1926 :     gsskrb5_ctx ctx;
      43             : 
      44       76450 :     GSSAPI_KRB5_INIT (&context);
      45             : 
      46       76450 :     *minor_status = 0;
      47             : 
      48       76450 :     if (output_token) {
      49           0 :         output_token->length = 0;
      50           0 :         output_token->value  = NULL;
      51             :     }
      52             : 
      53       76450 :     if (*context_handle == GSS_C_NO_CONTEXT)
      54           0 :         return GSS_S_COMPLETE;
      55             : 
      56       76450 :     ctx = (gsskrb5_ctx) *context_handle;
      57       76450 :     *context_handle = GSS_C_NO_CONTEXT;
      58             : 
      59        1926 :     HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
      60             : 
      61       76450 :     krb5_auth_con_free (context, ctx->auth_context);
      62       76450 :     krb5_auth_con_free (context, ctx->deleg_auth_context);
      63       76450 :     if (ctx->kcred)
      64         599 :         krb5_free_creds(context, ctx->kcred);
      65       76450 :     if(ctx->source)
      66       76416 :         krb5_free_principal (context, ctx->source);
      67       76450 :     if(ctx->target)
      68       76416 :         krb5_free_principal (context, ctx->target);
      69       76450 :     if (ctx->ticket)
      70       52226 :         krb5_free_ticket (context, ctx->ticket);
      71       76450 :     if(ctx->order)
      72       75792 :         _gssapi_msg_order_destroy(&ctx->order);
      73       76450 :     if (ctx->service_keyblock)
      74       52226 :         krb5_free_keyblock (context, ctx->service_keyblock);
      75       76450 :     krb5_data_free(&ctx->fwd_data);
      76       76450 :     if (ctx->crypto)
      77       75792 :         krb5_crypto_destroy(context, ctx->crypto);
      78       76450 :     if (ctx->ccache && (ctx->more_flags & CLOSE_CCACHE))
      79           0 :         krb5_cc_close(context, ctx->ccache);
      80             : 
      81        1926 :     HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
      82        1926 :     HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
      83       76450 :     memset(ctx, 0, sizeof(*ctx));
      84       76450 :     free (ctx);
      85       76450 :     return GSS_S_COMPLETE;
      86             : }