1 /* $NetBSD: gss_release_cred.c,v 1.2 2017/01/28 21:31:46 christos Exp $ */
2
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 * $FreeBSD: src/lib/libgssapi/gss_release_cred.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 */
30
31 #include "mech_locl.h"
32
33 /**
34 * Release a credentials
35 *
36 * Its ok to release the GSS_C_NO_CREDENTIAL/NULL credential, it will
37 * return a GSS_S_COMPLETE error code. On return cred_handle is set ot
38 * GSS_C_NO_CREDENTIAL.
39 *
40 * Example:
41 *
42 * @code
43 * gss_cred_id_t cred = GSS_C_NO_CREDENTIAL;
44 * major = gss_release_cred(&minor, &cred);
45 * @endcode
46 *
47 * @param minor_status minor status return code, mech specific
48 * @param cred_handle a pointer to the credential too release
49 *
50 * @return an gssapi error code
51 *
52 * @ingroup gssapi
53 */
54
55 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_release_cred(OM_uint32 * minor_status,gss_cred_id_t * cred_handle)56 gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
57 {
58 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
59 struct _gss_mechanism_cred *mc;
60
61 if (*cred_handle == GSS_C_NO_CREDENTIAL)
62 return (GSS_S_COMPLETE);
63
64 while (HEIM_SLIST_FIRST(&cred->gc_mc)) {
65 mc = HEIM_SLIST_FIRST(&cred->gc_mc);
66 HEIM_SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link);
67 mc->gmc_mech->gm_release_cred(minor_status, &mc->gmc_cred);
68 free(mc);
69 }
70 free(cred);
71
72 *minor_status = 0;
73 *cred_handle = GSS_C_NO_CREDENTIAL;
74 return (GSS_S_COMPLETE);
75 }
76