2 * Copyright (c) 1999-2001, 2003, PADL Software Pty Ltd.
3 * Copyright (c) 2004-2009, Andrew Bartlett <abartlet@samba.org>.
4 * Copyright (c) 2004, Stefan Metzmacher <metze@samba.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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.
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.
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
36 #include "kdc/kdc-glue.h"
37 #include "kdc/db-glue.h"
38 #include "auth/auth_sam.h"
43 static krb5_error_code
hdb_samba4_open(krb5_context context
, HDB
*db
, int flags
, mode_t mode
)
45 if (db
->hdb_master_key_set
) {
46 krb5_error_code ret
= HDB_ERR_NOENTRY
;
47 krb5_warnx(context
, "hdb_samba4_open: use of a master key incompatible with LDB\n");
48 krb5_set_error_message(context
, ret
, "hdb_samba4_open: use of a master key incompatible with LDB\n");
55 static krb5_error_code
hdb_samba4_close(krb5_context context
, HDB
*db
)
60 static krb5_error_code
hdb_samba4_lock(krb5_context context
, HDB
*db
, int operation
)
65 static krb5_error_code
hdb_samba4_unlock(krb5_context context
, HDB
*db
)
70 static krb5_error_code
hdb_samba4_rename(krb5_context context
, HDB
*db
, const char *new_name
)
72 return HDB_ERR_DB_INUSE
;
75 static krb5_error_code
hdb_samba4_store(krb5_context context
, HDB
*db
, unsigned flags
, hdb_entry_ex
*entry
)
77 return HDB_ERR_DB_INUSE
;
80 static krb5_error_code
hdb_samba4_remove(krb5_context context
, HDB
*db
, krb5_const_principal principal
)
82 return HDB_ERR_DB_INUSE
;
85 static krb5_error_code
hdb_samba4_fetch_kvno(krb5_context context
, HDB
*db
,
86 krb5_const_principal principal
,
89 hdb_entry_ex
*entry_ex
)
91 struct samba_kdc_db_context
*kdc_db_ctx
;
92 struct sdb_entry_ex sdb_entry_ex
= {};
93 krb5_error_code code
, ret
;
95 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
96 struct samba_kdc_db_context
);
98 ret
= samba_kdc_fetch(context
,
108 case SDB_ERR_WRONG_REALM
:
110 * If SDB_ERR_WRONG_REALM is returned we need to process the
111 * sdb_entry to fill the principal in the HDB entry.
113 code
= HDB_ERR_WRONG_REALM
;
115 case SDB_ERR_NOENTRY
:
116 return HDB_ERR_NOENTRY
;
118 return HDB_ERR_NOT_FOUND_HERE
;
121 ret
= sdb_entry_ex_to_hdb_entry_ex(context
, &sdb_entry_ex
, entry_ex
);
122 sdb_free_entry(&sdb_entry_ex
);
124 if (code
!= 0 && ret
!= 0) {
131 static krb5_error_code
hdb_samba4_firstkey(krb5_context context
, HDB
*db
, unsigned flags
,
134 struct samba_kdc_db_context
*kdc_db_ctx
;
135 struct sdb_entry_ex sdb_entry_ex
= {};
138 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
139 struct samba_kdc_db_context
);
141 ret
= samba_kdc_firstkey(context
, kdc_db_ctx
, &sdb_entry_ex
);
145 case SDB_ERR_WRONG_REALM
:
146 return HDB_ERR_WRONG_REALM
;
147 case SDB_ERR_NOENTRY
:
148 return HDB_ERR_NOENTRY
;
150 return HDB_ERR_NOT_FOUND_HERE
;
153 ret
= sdb_entry_ex_to_hdb_entry_ex(context
, &sdb_entry_ex
, entry
);
154 sdb_free_entry(&sdb_entry_ex
);
158 static krb5_error_code
hdb_samba4_nextkey(krb5_context context
, HDB
*db
, unsigned flags
,
161 struct samba_kdc_db_context
*kdc_db_ctx
;
162 struct sdb_entry_ex sdb_entry_ex
= {};
165 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
166 struct samba_kdc_db_context
);
168 ret
= samba_kdc_nextkey(context
, kdc_db_ctx
, &sdb_entry_ex
);
172 case SDB_ERR_WRONG_REALM
:
173 return HDB_ERR_WRONG_REALM
;
174 case SDB_ERR_NOENTRY
:
175 return HDB_ERR_NOENTRY
;
177 return HDB_ERR_NOT_FOUND_HERE
;
180 ret
= sdb_entry_ex_to_hdb_entry_ex(context
, &sdb_entry_ex
, entry
);
181 sdb_free_entry(&sdb_entry_ex
);
185 static krb5_error_code
hdb_samba4_destroy(krb5_context context
, HDB
*db
)
191 static krb5_error_code
192 hdb_samba4_check_constrained_delegation(krb5_context context
, HDB
*db
,
194 krb5_const_principal target_principal
)
196 struct samba_kdc_db_context
*kdc_db_ctx
;
197 struct samba_kdc_entry
*skdc_entry
;
200 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
201 struct samba_kdc_db_context
);
202 skdc_entry
= talloc_get_type_abort(entry
->ctx
,
203 struct samba_kdc_entry
);
205 ret
= samba_kdc_check_s4u2proxy(context
, kdc_db_ctx
,
211 case SDB_ERR_WRONG_REALM
:
212 ret
= HDB_ERR_WRONG_REALM
;
214 case SDB_ERR_NOENTRY
:
215 ret
= HDB_ERR_NOENTRY
;
218 ret
= HDB_ERR_NOT_FOUND_HERE
;
225 static krb5_error_code
226 hdb_samba4_check_pkinit_ms_upn_match(krb5_context context
, HDB
*db
,
228 krb5_const_principal certificate_principal
)
230 struct samba_kdc_db_context
*kdc_db_ctx
;
231 struct samba_kdc_entry
*skdc_entry
;
234 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
235 struct samba_kdc_db_context
);
236 skdc_entry
= talloc_get_type_abort(entry
->ctx
,
237 struct samba_kdc_entry
);
239 ret
= samba_kdc_check_pkinit_ms_upn_match(context
, kdc_db_ctx
,
241 certificate_principal
);
245 case SDB_ERR_WRONG_REALM
:
246 ret
= HDB_ERR_WRONG_REALM
;
248 case SDB_ERR_NOENTRY
:
249 ret
= HDB_ERR_NOENTRY
;
252 ret
= HDB_ERR_NOT_FOUND_HERE
;
259 static krb5_error_code
260 hdb_samba4_check_s4u2self(krb5_context context
, HDB
*db
,
262 krb5_const_principal target_principal
)
264 struct samba_kdc_db_context
*kdc_db_ctx
;
265 struct samba_kdc_entry
*skdc_entry
;
268 kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
269 struct samba_kdc_db_context
);
270 skdc_entry
= talloc_get_type_abort(entry
->ctx
,
271 struct samba_kdc_entry
);
273 ret
= samba_kdc_check_s4u2self(context
, kdc_db_ctx
,
279 case SDB_ERR_WRONG_REALM
:
280 ret
= HDB_ERR_WRONG_REALM
;
282 case SDB_ERR_NOENTRY
:
283 ret
= HDB_ERR_NOENTRY
;
286 ret
= HDB_ERR_NOT_FOUND_HERE
;
293 static krb5_error_code
hdb_samba4_auth_status(krb5_context context
, HDB
*db
,
297 struct samba_kdc_db_context
*kdc_db_ctx
= talloc_get_type_abort(db
->hdb_db
,
298 struct samba_kdc_db_context
);
299 struct samba_kdc_entry
*p
= talloc_get_type(entry
->ctx
, struct samba_kdc_entry
);
301 if (hdb_auth_status
== HDB_AUTH_WRONG_PASSWORD
) {
302 authsam_update_bad_pwd_count(kdc_db_ctx
->samdb
, p
->msg
, ldb_get_default_basedn(kdc_db_ctx
->samdb
));
303 } else if (hdb_auth_status
== HDB_AUTH_SUCCESS
) {
304 authsam_zero_bad_pwd_count(kdc_db_ctx
->samdb
, p
->msg
);
309 /* This interface is to be called by the KDC and libnet_keytab_dump,
310 * which is expecting Samba calling conventions.
311 * It is also called by a wrapper (hdb_samba4_create) from the
312 * kpasswdd -> krb5 -> keytab_hdb -> hdb code */
314 NTSTATUS
hdb_samba4_create_kdc(struct samba_kdc_base_context
*base_ctx
,
315 krb5_context context
, struct HDB
**db
)
317 struct samba_kdc_db_context
*kdc_db_ctx
;
320 if (hdb_interface_version
!= HDB_INTERFACE_VERSION
) {
321 krb5_set_error_message(context
, EINVAL
, "Heimdal HDB interface version mismatch between build-time and run-time libraries!");
322 return NT_STATUS_ERROR_DS_INCOMPATIBLE_VERSION
;
325 *db
= talloc(base_ctx
, HDB
);
327 krb5_set_error_message(context
, ENOMEM
, "malloc: out of memory");
328 return NT_STATUS_NO_MEMORY
;
331 (*db
)->hdb_master_key_set
= 0;
332 (*db
)->hdb_db
= NULL
;
333 (*db
)->hdb_capability_flags
= HDB_CAP_F_HANDLE_ENTERPRISE_PRINCIPAL
;
335 nt_status
= samba_kdc_setup_db_ctx(*db
, base_ctx
, &kdc_db_ctx
);
336 if (!NT_STATUS_IS_OK(nt_status
)) {
340 (*db
)->hdb_db
= kdc_db_ctx
;
342 (*db
)->hdb_dbc
= NULL
;
343 (*db
)->hdb_open
= hdb_samba4_open
;
344 (*db
)->hdb_close
= hdb_samba4_close
;
345 (*db
)->hdb_fetch_kvno
= hdb_samba4_fetch_kvno
;
346 (*db
)->hdb_store
= hdb_samba4_store
;
347 (*db
)->hdb_remove
= hdb_samba4_remove
;
348 (*db
)->hdb_firstkey
= hdb_samba4_firstkey
;
349 (*db
)->hdb_nextkey
= hdb_samba4_nextkey
;
350 (*db
)->hdb_lock
= hdb_samba4_lock
;
351 (*db
)->hdb_unlock
= hdb_samba4_unlock
;
352 (*db
)->hdb_rename
= hdb_samba4_rename
;
353 /* we don't implement these, as we are not a lockable database */
354 (*db
)->hdb__get
= NULL
;
355 (*db
)->hdb__put
= NULL
;
356 /* kadmin should not be used for deletes - use other tools instead */
357 (*db
)->hdb__del
= NULL
;
358 (*db
)->hdb_destroy
= hdb_samba4_destroy
;
360 (*db
)->hdb_auth_status
= hdb_samba4_auth_status
;
361 (*db
)->hdb_check_constrained_delegation
= hdb_samba4_check_constrained_delegation
;
362 (*db
)->hdb_check_pkinit_ms_upn_match
= hdb_samba4_check_pkinit_ms_upn_match
;
363 (*db
)->hdb_check_s4u2self
= hdb_samba4_check_s4u2self
;