2 * Copyright (c) 1997, 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * 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.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "krb5/gsskrb5_locl.h"
36 RCSID("$Id: inquire_cred.c 20688 2007-05-17 18:44:31Z lha $");
38 OM_uint32 _gsskrb5_inquire_cred
39 (OM_uint32 * minor_status,
40 const gss_cred_id_t cred_handle,
41 gss_name_t * output_name,
43 gss_cred_usage_t * cred_usage,
44 gss_OID_set * mechanisms
48 gss_cred_id_t aqcred_init = GSS_C_NO_CREDENTIAL;
49 gss_cred_id_t aqcred_accept = GSS_C_NO_CREDENTIAL;
50 gsskrb5_cred acred = NULL, icred = NULL;
58 *mechanisms = GSS_C_NO_OID_SET;
60 GSSAPI_KRB5_INIT (&context);
62 if (cred_handle == GSS_C_NO_CREDENTIAL) {
63 ret = _gsskrb5_acquire_cred(minor_status,
71 if (ret == GSS_S_COMPLETE)
72 acred = (gsskrb5_cred)aqcred_accept;
74 ret = _gsskrb5_acquire_cred(minor_status,
82 if (ret == GSS_S_COMPLETE)
83 icred = (gsskrb5_cred)aqcred_init;
85 if (icred == NULL && acred == NULL) {
90 acred = (gsskrb5_cred)cred_handle;
93 HEIMDAL_MUTEX_lock(&acred->cred_id_mutex);
95 HEIMDAL_MUTEX_lock(&icred->cred_id_mutex);
97 if (output_name != NULL) {
98 if (icred && icred->principal != NULL) {
101 if (acred && acred->principal)
102 name = (gss_name_t)acred->principal;
104 name = (gss_name_t)icred->principal;
106 ret = _gsskrb5_duplicate_name(minor_status, name, output_name);
109 } else if (acred && acred->usage == GSS_C_ACCEPT) {
110 krb5_principal princ;
111 *minor_status = krb5_sname_to_principal(context, NULL,
112 NULL, KRB5_NT_SRV_HST,
118 *output_name = (gss_name_t)princ;
120 krb5_principal princ;
121 *minor_status = krb5_get_default_principal(context,
127 *output_name = (gss_name_t)princ;
130 if (lifetime != NULL) {
131 OM_uint32 alife = GSS_C_INDEFINITE, ilife = GSS_C_INDEFINITE;
133 if (acred) alife = acred->lifetime;
134 if (icred) ilife = icred->lifetime;
136 ret = _gsskrb5_lifetime_left(minor_status,
143 if (cred_usage != NULL) {
145 *cred_usage = GSS_C_BOTH;
147 *cred_usage = GSS_C_ACCEPT;
149 *cred_usage = GSS_C_INITIATE;
154 if (mechanisms != NULL) {
155 ret = gss_create_empty_oid_set(minor_status, mechanisms);
159 ret = gss_add_oid_set_member(minor_status,
160 &acred->mechanisms->elements[0],
162 if (ret == GSS_S_COMPLETE && icred)
163 ret = gss_add_oid_set_member(minor_status,
164 &icred->mechanisms->elements[0],
169 ret = GSS_S_COMPLETE;
172 HEIMDAL_MUTEX_unlock(&acred->cred_id_mutex);
174 HEIMDAL_MUTEX_unlock(&icred->cred_id_mutex);
176 if (aqcred_init != GSS_C_NO_CREDENTIAL)
177 ret = _gsskrb5_release_cred(minor_status, &aqcred_init);
178 if (aqcred_accept != GSS_C_NO_CREDENTIAL)
179 ret = _gsskrb5_release_cred(minor_status, &aqcred_accept);