1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
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 /* RCSID("$Id: gss_set_cred_option.c 21126 2007-06-18 20:19:59Z lha $"); */
35
36 #include <gssapi/gssapi.h>
37 #include <stdlib.h>
38 #include <errno.h>
39
40 #include "mech_switch.h"
41 #include "cred.h"
42
43 OM_uint32
gss_set_cred_option(OM_uint32 * minor_status,gss_cred_id_t * cred_handle,const gss_OID object,const gss_buffer_t value)44 gss_set_cred_option (OM_uint32 *minor_status,
45 gss_cred_id_t *cred_handle,
46 const gss_OID object,
47 const gss_buffer_t value)
48 {
49 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
50 OM_uint32 major_status = GSS_S_COMPLETE;
51 struct _gss_mechanism_cred *mc;
52 int one_ok = 0;
53
54 *minor_status = 0;
55
56 _gss_load_mech();
57
58 if (cred == NULL) {
59 struct _gss_mech_switch *m;
60
61 cred = malloc(sizeof(*cred));
62 if (cred == NULL)
63 return GSS_S_FAILURE;
64
65 SLIST_INIT(&cred->gc_mc);
66
67 SLIST_FOREACH(m, &_gss_mechs, gm_link) {
68
69 if (m->gm_set_cred_option == NULL)
70 continue;
71
72 mc = malloc(sizeof(*mc));
73 if (mc == NULL) {
74 *cred_handle = (gss_cred_id_t)cred;
75 gss_release_cred(minor_status, cred_handle);
76 *minor_status = ENOMEM;
77 return GSS_S_FAILURE;
78 }
79
80 mc->gmc_mech = m;
81 mc->gmc_mech_oid = &m->gm_mech_oid;
82 mc->gmc_cred = GSS_C_NO_CREDENTIAL;
83
84 major_status = m->gm_set_cred_option(
85 minor_status, &mc->gmc_cred, object, value);
86
87 if (major_status) {
88 free(mc);
89 continue;
90 }
91 one_ok = 1;
92 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
93 }
94 *cred_handle = (gss_cred_id_t)cred;
95 if (!one_ok) {
96 OM_uint32 junk;
97 gss_release_cred(&junk, cred_handle);
98 }
99 } else {
100 struct _gss_mech_switch *m;
101
102 SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
103 m = mc->gmc_mech;
104
105 if (m == NULL)
106 return GSS_S_BAD_MECH;
107
108 if (m->gm_set_cred_option == NULL)
109 continue;
110
111 major_status = m->gm_set_cred_option(minor_status,
112 &mc->gmc_cred, object, value);
113 if (major_status == GSS_S_COMPLETE)
114 one_ok = 1;
115 else
116 _gss_mg_error(m, major_status, *minor_status);
117
118 }
119 }
120 if (one_ok) {
121 *minor_status = 0;
122 return (GSS_S_COMPLETE);
123 }
124 return (major_status);
125 }
126
127