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