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 /* $FreeBSD: stable/12/lib/libgssapi/gss_set_cred_option.c 372110 2022-06-06 18:32:38Z cy $ */
35 /* RCSID("$Id: gss_set_cred_option.c 21126 2007-06-18 20:19:59Z lha $"); */
36
37 #include <gssapi/gssapi.h>
38 #include <stdlib.h>
39 #include <errno.h>
40
41 #include "mech_switch.h"
42 #include "cred.h"
43
44 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)45 gss_set_cred_option (OM_uint32 *minor_status,
46 gss_cred_id_t *cred_handle,
47 const gss_OID object,
48 const gss_buffer_t value)
49 {
50 struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
51 OM_uint32 major_status = GSS_S_COMPLETE;
52 struct _gss_mechanism_cred *mc;
53 int one_ok = 0;
54
55 *minor_status = 0;
56
57 _gss_load_mech();
58
59 if (cred == NULL) {
60 struct _gss_mech_switch *m;
61
62 cred = malloc(sizeof(*cred));
63 if (cred == NULL)
64 return GSS_S_FAILURE;
65
66 SLIST_INIT(&cred->gc_mc);
67
68 SLIST_FOREACH(m, &_gss_mechs, gm_link) {
69
70 if (m->gm_set_cred_option == NULL)
71 continue;
72
73 mc = malloc(sizeof(*mc));
74 if (mc == NULL) {
75 *cred_handle = (gss_cred_id_t)cred;
76 gss_release_cred(minor_status, cred_handle);
77 *minor_status = ENOMEM;
78 return GSS_S_FAILURE;
79 }
80
81 mc->gmc_mech = m;
82 mc->gmc_mech_oid = &m->gm_mech_oid;
83 mc->gmc_cred = GSS_C_NO_CREDENTIAL;
84
85 major_status = m->gm_set_cred_option(
86 minor_status, &mc->gmc_cred, object, value);
87
88 if (major_status) {
89 free(mc);
90 continue;
91 }
92 one_ok = 1;
93 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
94 }
95 *cred_handle = (gss_cred_id_t)cred;
96 if (!one_ok) {
97 OM_uint32 junk;
98 gss_release_cred(&junk, cred_handle);
99 }
100 } else {
101 struct _gss_mech_switch *m;
102
103 SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
104 m = mc->gmc_mech;
105
106 if (m == NULL)
107 return GSS_S_BAD_MECH;
108
109 if (m->gm_set_cred_option == NULL)
110 continue;
111
112 major_status = m->gm_set_cred_option(minor_status,
113 &mc->gmc_cred, object, value);
114 if (major_status == GSS_S_COMPLETE)
115 one_ok = 1;
116 else
117 _gss_mg_error(m, major_status, *minor_status);
118
119 }
120 }
121 if (one_ok) {
122 *minor_status = 0;
123 return (GSS_S_COMPLETE);
124 }
125 return (major_status);
126 }
127
128