1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 1997 - 2003 Kungliga Tekniska H��gskolan
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 "gsskrb5_locl.h"
37
38OM_uint32 GSSAPI_CALLCONV
39_gsskrb5_delete_sec_context(OM_uint32 * minor_status,
40			    gss_ctx_id_t * context_handle,
41			    gss_buffer_t output_token)
42{
43    krb5_context context;
44    gsskrb5_ctx ctx;
45
46    GSSAPI_KRB5_INIT (&context);
47
48    *minor_status = 0;
49
50    if (output_token) {
51	output_token->length = 0;
52	output_token->value  = NULL;
53    }
54
55    if (*context_handle == GSS_C_NO_CONTEXT)
56	return GSS_S_COMPLETE;
57
58    ctx = (gsskrb5_ctx) *context_handle;
59    *context_handle = GSS_C_NO_CONTEXT;
60
61    HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
62
63    krb5_auth_con_free (context, ctx->auth_context);
64    krb5_auth_con_free (context, ctx->deleg_auth_context);
65    if (ctx->kcred)
66	krb5_free_creds(context, ctx->kcred);
67    if(ctx->source)
68	krb5_free_principal (context, ctx->source);
69    if(ctx->target)
70	krb5_free_principal (context, ctx->target);
71    if (ctx->ticket)
72	krb5_free_ticket (context, ctx->ticket);
73    if(ctx->order)
74	_gssapi_msg_order_destroy(&ctx->order);
75    if (ctx->service_keyblock)
76	krb5_free_keyblock (context, ctx->service_keyblock);
77    krb5_data_free(&ctx->fwd_data);
78    if (ctx->crypto)
79    	krb5_crypto_destroy(context, ctx->crypto);
80
81    HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
82    HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
83    memset(ctx, 0, sizeof(*ctx));
84    free (ctx);
85    return GSS_S_COMPLETE;
86}
87