1/*
2 * Copyright (c) 1997 - 2003 Kungliga Tekniska H��gskolan
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
36OM_uint32 GSSAPI_CALLCONV
37_gsskrb5_delete_sec_context(OM_uint32 * minor_status,
38			    gss_ctx_id_t * context_handle,
39			    gss_buffer_t output_token)
40{
41    krb5_context context;
42    gsskrb5_ctx ctx;
43
44    GSSAPI_KRB5_INIT (&context);
45
46    *minor_status = 0;
47
48    if (output_token) {
49	output_token->length = 0;
50	output_token->value  = NULL;
51    }
52
53    if (*context_handle == GSS_C_NO_CONTEXT)
54	return GSS_S_COMPLETE;
55
56    ctx = (gsskrb5_ctx) *context_handle;
57    *context_handle = GSS_C_NO_CONTEXT;
58
59    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
60
61    krb5_auth_con_free (context, ctx->auth_context);
62    krb5_auth_con_free (context, ctx->deleg_auth_context);
63    if (ctx->kcred)
64	krb5_free_creds(context, ctx->kcred);
65    if(ctx->source)
66	krb5_free_principal (context, ctx->source);
67    if(ctx->target)
68	krb5_free_principal (context, ctx->target);
69    if (ctx->ticket)
70	krb5_free_ticket (context, ctx->ticket);
71    if(ctx->order)
72	_gssapi_msg_order_destroy(&ctx->order);
73    if (ctx->service_keyblock)
74	krb5_free_keyblock (context, ctx->service_keyblock);
75    krb5_data_free(&ctx->fwd_data);
76    if (ctx->crypto)
77    	krb5_crypto_destroy(context, ctx->crypto);
78
79    HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
80    HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
81    memset(ctx, 0, sizeof(*ctx));
82    free (ctx);
83    return GSS_S_COMPLETE;
84}
85