2 * Copyright (c) 2005 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <gssapi/gssapi.h>
33 #include "mech_switch.h"
38 gss_acquire_cred(OM_uint32 *minor_status,
39 const gss_name_t desired_name,
41 const gss_OID_set desired_mechs,
42 gss_cred_usage_t cred_usage,
43 gss_cred_id_t *output_cred_handle,
44 gss_OID_set *actual_mechs,
47 OM_uint32 major_status;
48 gss_OID_set mechs = desired_mechs;
50 struct _gss_name *name = (struct _gss_name *) desired_name;
51 struct _gss_mech_switch *m;
52 struct _gss_cred *cred;
53 struct _gss_mechanism_cred *mc;
54 struct _gss_mechanism_name *mn;
55 OM_uint32 min_time, cred_time;
59 if (output_cred_handle)
60 *output_cred_handle = GSS_C_NO_CREDENTIAL;
62 *actual_mechs = GSS_C_NO_OID_SET;
69 * First make sure that at least one of the requested
70 * mechanisms is one that we support.
73 for (i = 0; i < mechs->count; i++) {
75 gss_test_oid_set_member(minor_status,
76 &mechs->elements[i], _gss_mech_oids, &t);
80 if (i == mechs->count) {
82 return (GSS_S_BAD_MECH);
85 mechs = _gss_mech_oids;
89 major_status = gss_create_empty_oid_set(minor_status,
92 return (major_status);
95 cred = malloc(sizeof(struct _gss_cred));
98 gss_release_oid_set(minor_status, actual_mechs);
99 *minor_status = ENOMEM;
100 return (GSS_S_FAILURE);
102 SLIST_INIT(&cred->gc_mc);
105 min_time = GSS_C_INDEFINITE;
106 for (i = 0; i < mechs->count; i++) {
107 m = _gss_find_mech_switch(&mechs->elements[i]);
111 if (desired_name != GSS_C_NO_NAME) {
112 major_status = _gss_find_mn(minor_status, name,
113 &mechs->elements[i], &mn);
114 if (major_status != GSS_S_COMPLETE)
118 mc = malloc(sizeof(struct _gss_mechanism_cred));
123 mc->gmc_mech_oid = &m->gm_mech_oid;
126 * XXX Probably need to do something with actual_mechs.
128 set.elements = &mechs->elements[i];
129 major_status = m->gm_acquire_cred(minor_status,
130 (desired_name != GSS_C_NO_NAME
131 ? mn->gmn_name : GSS_C_NO_NAME),
132 time_req, &set, cred_usage,
133 &mc->gmc_cred, NULL, &cred_time);
138 if (cred_time < min_time)
139 min_time = cred_time;
142 major_status = gss_add_oid_set_member(minor_status,
143 mc->gmc_mech_oid, actual_mechs);
145 m->gm_release_cred(minor_status,
152 SLIST_INSERT_HEAD(&cred->gc_mc, mc, gmc_link);
156 * If we didn't manage to create a single credential, return
159 if (!SLIST_FIRST(&cred->gc_mc)) {
162 gss_release_oid_set(minor_status, actual_mechs);
164 return (GSS_S_NO_CRED);
168 *time_rec = min_time;
169 *output_cred_handle = (gss_cred_id_t) cred;
171 return (GSS_S_COMPLETE);