2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005 Doug Rabson
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <gssapi/gssapi.h>
35 #include "mech_switch.h"
40 gss_acquire_cred(OM_uint32 *minor_status,
41 const gss_name_t desired_name,
43 const gss_OID_set desired_mechs,
44 gss_cred_usage_t cred_usage,
45 gss_cred_id_t *output_cred_handle,
46 gss_OID_set *actual_mechs,
49 OM_uint32 major_status;
50 gss_OID_set mechs = desired_mechs;
52 struct _gss_name *name = (struct _gss_name *) desired_name;
53 struct _gss_mech_switch *m;
54 struct _gss_cred *cred;
55 struct _gss_mechanism_cred *mc;
56 struct _gss_mechanism_name *mn;
57 OM_uint32 min_time, cred_time;
61 if (output_cred_handle)
62 *output_cred_handle = GSS_C_NO_CREDENTIAL;
64 *actual_mechs = GSS_C_NO_OID_SET;
71 * First make sure that at least one of the requested
72 * mechanisms is one that we support.
75 for (i = 0; i < mechs->count; i++) {
77 gss_test_oid_set_member(minor_status,
78 &mechs->elements[i], _gss_mech_oids, &t);
82 if (i == mechs->count) {
84 return (GSS_S_BAD_MECH);
87 mechs = _gss_mech_oids;
91 major_status = gss_create_empty_oid_set(minor_status,
94 return (major_status);
97 cred = malloc(sizeof(struct _gss_cred));
100 gss_release_oid_set(minor_status, actual_mechs);
101 *minor_status = ENOMEM;
102 return (GSS_S_FAILURE);
104 SLIST_INIT(&cred->gc_mc);
107 min_time = GSS_C_INDEFINITE;
108 for (i = 0; i < mechs->count; i++) {
109 m = _gss_find_mech_switch(&mechs->elements[i]);
113 if (desired_name != GSS_C_NO_NAME) {
114 major_status = _gss_find_mn(minor_status, name,
115 &mechs->elements[i], &mn);
116 if (major_status != GSS_S_COMPLETE)
120 mc = malloc(sizeof(struct _gss_mechanism_cred));
125 mc->gmc_mech_oid = &m->gm_mech_oid;
128 * XXX Probably need to do something with actual_mechs.
130 set.elements = &mechs->elements[i];
131 major_status = m->gm_acquire_cred(minor_status,
132 (desired_name != GSS_C_NO_NAME
133 ? mn->gmn_name : GSS_C_NO_NAME),
134 time_req, &set, cred_usage,
135 &mc->gmc_cred, NULL, &cred_time);
140 if (cred_time < min_time)
141 min_time = cred_time;
144 major_status = gss_add_oid_set_member(minor_status,
145 mc->gmc_mech_oid, actual_mechs);
147 m->gm_release_cred(minor_status,
154 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
158 * If we didn't manage to create a single credential, return
161 if (!SLIST_FIRST(&cred->gc_mc)) {
164 gss_release_oid_set(minor_status, actual_mechs);
166 return (GSS_S_NO_CRED);
170 *time_rec = min_time;
171 *output_cred_handle = (gss_cred_id_t) cred;
173 return (GSS_S_COMPLETE);