xref: /freebsd/lib/libgssapi/gss_release_cred.c (revision da93e82d2476afdaa356dd452eef23a7dee7fa3c)
1  /*-
2   * Copyright (c) 2005 Doug Rabson
3   * All rights reserved.
4   *
5   * Redistribution and use in source and binary forms, with or without
6   * modification, are permitted provided that the following conditions
7   * are met:
8   * 1. Redistributions of source code must retain the above copyright
9   *    notice, this list of conditions and the following disclaimer.
10   * 2. Redistributions in binary form must reproduce the above copyright
11   *    notice, this list of conditions and the following disclaimer in the
12   *    documentation and/or other materials provided with the distribution.
13   *
14   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24   * SUCH DAMAGE.
25   *
26   *	$FreeBSD$
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  
36  OM_uint32
37  gss_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