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 = _gss_mg_alloc_cred();
54		if (cred == NULL)
55		    return GSS_S_FAILURE;
56
57		HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
58
59			if (m->gm_mech.gm_set_cred_option == NULL)
60				continue;
61
62			mc = malloc(sizeof(*mc));
63			if (mc == NULL) {
64			    *cred_handle = (gss_cred_id_t)cred;
65			    gss_release_cred(minor_status, cred_handle);
66			    *minor_status = ENOMEM;
67			    return GSS_S_FAILURE;
68			}
69
70			mc->gmc_mech = &m->gm_mech;
71			mc->gmc_mech_oid = &m->gm_mech_oid;
72			mc->gmc_cred = GSS_C_NO_CREDENTIAL;
73
74			major_status = m->gm_mech.gm_set_cred_option(
75			    minor_status, &mc->gmc_cred, object, value);
76
77			if (major_status) {
78				free(mc);
79				continue;
80			}
81			one_ok = 1;
82			HEIM_SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
83		}
84		*cred_handle = (gss_cred_id_t)cred;
85		if (!one_ok) {
86			OM_uint32 junk;
87			gss_release_cred(&junk, cred_handle);
88		}
89	} else {
90		gssapi_mech_interface	m;
91
92		HEIM_SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
93			m = mc->gmc_mech;
94
95			if (m == NULL)
96				return GSS_S_BAD_MECH;
97
98			if (m->gm_set_cred_option == NULL)
99				continue;
100
101			major_status = m->gm_set_cred_option(minor_status,
102			    &mc->gmc_cred, object, value);
103			if (major_status == GSS_S_COMPLETE)
104				one_ok = 1;
105			else
106				_gss_mg_error(m, *minor_status);
107
108		}
109	}
110	if (one_ok) {
111		*minor_status = 0;
112		return GSS_S_COMPLETE;
113	}
114	return major_status;
115}
116
117