1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <gssapi/gssapi.h>
30#include <stdlib.h>
31#include <errno.h>
32
33#include "mech_switch.h"
34#include "cred.h"
35
36OM_uint32
37gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
38{
39	struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
40	struct _gss_mechanism_cred *mc;
41
42	if (*cred_handle == GSS_C_NO_CREDENTIAL)
43	    return (GSS_S_COMPLETE);
44
45	while (SLIST_FIRST(&cred->gc_mc)) {
46		mc = SLIST_FIRST(&cred->gc_mc);
47		SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link);
48		mc->gmc_mech->gm_release_cred(minor_status, &mc->gmc_cred);
49		free(mc);
50	}
51	free(cred);
52
53	*minor_status = 0;
54	*cred_handle = GSS_C_NO_CREDENTIAL;
55	return (GSS_S_COMPLETE);
56}
57