1/*	$NetBSD: gss_set_cred_option.c,v 1.1.1.1 2011/04/13 18:14:47 elric Exp $	*/
2
3/*
4 * Copyright (c) 2004, PADL Software Pty Ltd.
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 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * 3. Neither the name of PADL Software nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#include "mech_locl.h"
36
37GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
38gss_set_cred_option (OM_uint32 *minor_status,
39		     gss_cred_id_t *cred_handle,
40		     const gss_OID object,
41		     const gss_buffer_t value)
42{
43	struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
44	OM_uint32	major_status = GSS_S_COMPLETE;
45	struct _gss_mechanism_cred *mc;
46	int one_ok = 0;
47
48	*minor_status = 0;
49
50	_gss_load_mech();
51
52	if (cred == NULL) {
53		struct _gss_mech_switch *m;
54
55		cred = malloc(sizeof(*cred));
56		if (cred == NULL)
57		    return GSS_S_FAILURE;
58
59		HEIM_SLIST_INIT(&cred->gc_mc);
60
61		HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
62
63			if (m->gm_mech.gm_set_cred_option == NULL)
64				continue;
65
66			mc = malloc(sizeof(*mc));
67			if (mc == NULL) {
68			    *cred_handle = (gss_cred_id_t)cred;
69			    gss_release_cred(minor_status, cred_handle);
70			    *minor_status = ENOMEM;
71			    return GSS_S_FAILURE;
72			}
73
74			mc->gmc_mech = &m->gm_mech;
75			mc->gmc_mech_oid = &m->gm_mech_oid;
76			mc->gmc_cred = GSS_C_NO_CREDENTIAL;
77
78			major_status = m->gm_mech.gm_set_cred_option(
79			    minor_status, &mc->gmc_cred, object, value);
80
81			if (major_status) {
82				free(mc);
83				continue;
84			}
85			one_ok = 1;
86			HEIM_SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
87		}
88		*cred_handle = (gss_cred_id_t)cred;
89		if (!one_ok) {
90			OM_uint32 junk;
91			gss_release_cred(&junk, cred_handle);
92		}
93	} else {
94		gssapi_mech_interface	m;
95
96		HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
97			m = mc->gmc_mech;
98
99			if (m == NULL)
100				return GSS_S_BAD_MECH;
101
102			if (m->gm_set_cred_option == NULL)
103				continue;
104
105			major_status = m->gm_set_cred_option(minor_status,
106			    &mc->gmc_cred, object, value);
107			if (major_status == GSS_S_COMPLETE)
108				one_ok = 1;
109			else
110				_gss_mg_error(m, major_status, *minor_status);
111
112		}
113	}
114	if (one_ok) {
115		*minor_status = 0;
116		return GSS_S_COMPLETE;
117	}
118	return major_status;
119}
120
121