2 Unix SMB/CIFS implementation.
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
8 Copyright (C) Gerald Carter 2003
9 Copyright (C) Simo Sorce 2003-2007
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #define DBGC_CLASS DBGC_IDMAP
36 struct idmap_ldap_context
{
37 struct smbldap_state
*smbldap_state
;
41 uint32_t filter_low_id
, filter_high_id
; /* Filter range */
45 struct idmap_ldap_alloc_context
{
46 struct smbldap_state
*smbldap_state
;
50 uid_t low_uid
, high_uid
; /* Range of uids */
51 gid_t low_gid
, high_gid
; /* Range of gids */
55 #define CHECK_ALLOC_DONE(mem) do { \
57 DEBUG(0, ("Out of memory!\n")); \
58 ret = NT_STATUS_NO_MEMORY; \
62 /**********************************************************************
63 IDMAP ALLOC TDB BACKEND
64 **********************************************************************/
66 static struct idmap_ldap_alloc_context
*idmap_alloc_ldap
;
68 /*********************************************************************
69 ********************************************************************/
71 static NTSTATUS
get_credentials( TALLOC_CTX
*mem_ctx
,
72 struct smbldap_state
*ldap_state
,
73 const char *config_option
,
74 struct idmap_domain
*dom
,
77 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
79 const char *tmp
= NULL
;
83 /* assume anonymous if we don't have a specified user */
85 tmp
= lp_parm_const_string(-1, config_option
, "ldap_user_dn", NULL
);
89 /* only the alloc backend can pass in a NULL dom */
90 secret
= idmap_fetch_secret("ldap", True
,
93 secret
= idmap_fetch_secret("ldap", False
,
98 DEBUG(0, ("get_credentials: Unable to fetch "
99 "auth credentials for %s in %s\n",
100 tmp
, (dom
==NULL
)?"ALLOC":dom
->name
));
101 ret
= NT_STATUS_ACCESS_DENIED
;
104 *dn
= talloc_strdup(mem_ctx
, tmp
);
105 CHECK_ALLOC_DONE(*dn
);
107 if (!fetch_ldap_pw(&user_dn
, &secret
)) {
108 DEBUG(2, ("get_credentials: Failed to lookup ldap "
109 "bind creds. Using anonymous connection.\n"));
112 *dn
= talloc_strdup(mem_ctx
, user_dn
);
113 SAFE_FREE( user_dn
);
114 CHECK_ALLOC_DONE(*dn
);
118 smbldap_set_creds(ldap_state
, anon
, *dn
, secret
);
128 /**********************************************************************
129 Verify the sambaUnixIdPool entry in the directory.
130 **********************************************************************/
132 static NTSTATUS
verify_idpool(void)
136 LDAPMessage
*result
= NULL
;
137 LDAPMod
**mods
= NULL
;
138 const char **attr_list
;
143 if ( ! idmap_alloc_ldap
) {
144 return NT_STATUS_UNSUCCESSFUL
;
147 ctx
= talloc_new(idmap_alloc_ldap
);
149 DEBUG(0, ("Out of memory!\n"));
150 return NT_STATUS_NO_MEMORY
;
153 filter
= talloc_asprintf(ctx
, "(objectclass=%s)", LDAP_OBJ_IDPOOL
);
154 CHECK_ALLOC_DONE(filter
);
156 attr_list
= get_attr_list(ctx
, idpool_attr_list
);
157 CHECK_ALLOC_DONE(attr_list
);
159 rc
= smbldap_search(idmap_alloc_ldap
->smbldap_state
,
160 idmap_alloc_ldap
->suffix
,
167 if (rc
!= LDAP_SUCCESS
) {
168 DEBUG(1, ("Unable to verify the idpool, "
169 "cannot continue initialization!\n"));
170 return NT_STATUS_UNSUCCESSFUL
;
173 count
= ldap_count_entries(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
176 ldap_msgfree(result
);
179 DEBUG(0,("Multiple entries returned from %s (base == %s)\n",
180 filter
, idmap_alloc_ldap
->suffix
));
181 ret
= NT_STATUS_UNSUCCESSFUL
;
184 else if (count
== 0) {
185 char *uid_str
, *gid_str
;
187 uid_str
= talloc_asprintf(ctx
, "%lu",
188 (unsigned long)idmap_alloc_ldap
->low_uid
);
189 gid_str
= talloc_asprintf(ctx
, "%lu",
190 (unsigned long)idmap_alloc_ldap
->low_gid
);
192 smbldap_set_mod(&mods
, LDAP_MOD_ADD
,
193 "objectClass", LDAP_OBJ_IDPOOL
);
194 smbldap_set_mod(&mods
, LDAP_MOD_ADD
,
195 get_attr_key2string(idpool_attr_list
,
196 LDAP_ATTR_UIDNUMBER
),
198 smbldap_set_mod(&mods
, LDAP_MOD_ADD
,
199 get_attr_key2string(idpool_attr_list
,
200 LDAP_ATTR_GIDNUMBER
),
203 rc
= smbldap_modify(idmap_alloc_ldap
->smbldap_state
,
204 idmap_alloc_ldap
->suffix
,
206 ldap_mods_free(mods
, True
);
208 ret
= NT_STATUS_UNSUCCESSFUL
;
213 ret
= (rc
== LDAP_SUCCESS
)?NT_STATUS_OK
:NT_STATUS_UNSUCCESSFUL
;
219 /*****************************************************************************
220 Initialise idmap database.
221 *****************************************************************************/
223 static NTSTATUS
idmap_ldap_alloc_init(const char *params
)
225 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
233 /* Only do init if we are online */
234 if (idmap_is_offline()) {
235 return NT_STATUS_FILE_IS_OFFLINE
;
238 idmap_alloc_ldap
= TALLOC_ZERO_P(NULL
, struct idmap_ldap_alloc_context
);
239 CHECK_ALLOC_DONE( idmap_alloc_ldap
);
243 idmap_alloc_ldap
->low_uid
= 0;
244 idmap_alloc_ldap
->high_uid
= 0;
245 idmap_alloc_ldap
->low_gid
= 0;
246 idmap_alloc_ldap
->high_gid
= 0;
248 range
= lp_parm_const_string(-1, "idmap alloc config", "range", NULL
);
249 if (range
&& range
[0]) {
250 unsigned low_id
, high_id
;
252 if (sscanf(range
, "%u - %u", &low_id
, &high_id
) == 2) {
253 if (low_id
< high_id
) {
254 idmap_alloc_ldap
->low_gid
= low_id
;
255 idmap_alloc_ldap
->low_uid
= low_id
;
256 idmap_alloc_ldap
->high_gid
= high_id
;
257 idmap_alloc_ldap
->high_uid
= high_id
;
259 DEBUG(1, ("ERROR: invalid idmap alloc range "
263 DEBUG(1, ("ERROR: invalid syntax for idmap alloc "
264 "config:range [%s]", range
));
268 if (lp_idmap_uid(&low_uid
, &high_uid
)) {
269 idmap_alloc_ldap
->low_uid
= low_uid
;
270 idmap_alloc_ldap
->high_uid
= high_uid
;
273 if (lp_idmap_gid(&low_gid
, &high_gid
)) {
274 idmap_alloc_ldap
->low_gid
= low_gid
;
275 idmap_alloc_ldap
->high_gid
= high_gid
;
278 if (idmap_alloc_ldap
->high_uid
<= idmap_alloc_ldap
->low_uid
) {
279 DEBUG(1, ("idmap uid range missing or invalid\n"));
280 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
281 ret
= NT_STATUS_UNSUCCESSFUL
;
285 if (idmap_alloc_ldap
->high_gid
<= idmap_alloc_ldap
->low_gid
) {
286 DEBUG(1, ("idmap gid range missing or invalid\n"));
287 DEBUGADD(1, ("idmap will be unable to map foreign SIDs\n"));
288 ret
= NT_STATUS_UNSUCCESSFUL
;
292 if (params
&& *params
) {
293 /* assume location is the only parameter */
294 idmap_alloc_ldap
->url
= talloc_strdup(idmap_alloc_ldap
, params
);
296 tmp
= lp_parm_const_string(-1, "idmap alloc config",
300 DEBUG(1, ("ERROR: missing idmap ldap url\n"));
301 ret
= NT_STATUS_UNSUCCESSFUL
;
305 idmap_alloc_ldap
->url
= talloc_strdup(idmap_alloc_ldap
, tmp
);
307 CHECK_ALLOC_DONE( idmap_alloc_ldap
->url
);
309 tmp
= lp_parm_const_string(-1, "idmap alloc config",
310 "ldap_base_dn", NULL
);
311 if ( ! tmp
|| ! *tmp
) {
312 tmp
= lp_ldap_idmap_suffix();
314 DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
315 ret
= NT_STATUS_UNSUCCESSFUL
;
320 idmap_alloc_ldap
->suffix
= talloc_strdup(idmap_alloc_ldap
, tmp
);
321 CHECK_ALLOC_DONE( idmap_alloc_ldap
->suffix
);
323 ret
= smbldap_init(idmap_alloc_ldap
, idmap_alloc_ldap
->url
,
324 &idmap_alloc_ldap
->smbldap_state
);
325 if (!NT_STATUS_IS_OK(ret
)) {
326 DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n",
327 idmap_alloc_ldap
->url
));
331 ret
= get_credentials( idmap_alloc_ldap
,
332 idmap_alloc_ldap
->smbldap_state
,
333 "idmap alloc config", NULL
,
334 &idmap_alloc_ldap
->user_dn
);
335 if ( !NT_STATUS_IS_OK(ret
) ) {
336 DEBUG(1,("idmap_ldap_alloc_init: Failed to get connection "
337 "credentials (%s)\n", nt_errstr(ret
)));
341 /* see if the idmap suffix and sub entries exists */
343 ret
= verify_idpool();
346 if ( !NT_STATUS_IS_OK( ret
) )
347 TALLOC_FREE( idmap_alloc_ldap
);
352 /********************************
353 Allocate a new uid or gid
354 ********************************/
356 static NTSTATUS
idmap_ldap_allocate_id(struct unixid
*xid
)
359 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
360 int rc
= LDAP_SERVER_DOWN
;
362 LDAPMessage
*result
= NULL
;
363 LDAPMessage
*entry
= NULL
;
364 LDAPMod
**mods
= NULL
;
368 const char *dn
= NULL
;
369 const char **attr_list
;
372 /* Only do query if we are online */
373 if (idmap_is_offline()) {
374 return NT_STATUS_FILE_IS_OFFLINE
;
377 if ( ! idmap_alloc_ldap
) {
378 return NT_STATUS_UNSUCCESSFUL
;
381 ctx
= talloc_new(idmap_alloc_ldap
);
383 DEBUG(0, ("Out of memory!\n"));
384 return NT_STATUS_NO_MEMORY
;
391 type
= get_attr_key2string(idpool_attr_list
,
392 LDAP_ATTR_UIDNUMBER
);
396 type
= get_attr_key2string(idpool_attr_list
,
397 LDAP_ATTR_GIDNUMBER
);
401 DEBUG(2, ("Invalid ID type (0x%x)\n", xid
->type
));
402 return NT_STATUS_INVALID_PARAMETER
;
405 filter
= talloc_asprintf(ctx
, "(objectClass=%s)", LDAP_OBJ_IDPOOL
);
406 CHECK_ALLOC_DONE(filter
);
408 attr_list
= get_attr_list(ctx
, idpool_attr_list
);
409 CHECK_ALLOC_DONE(attr_list
);
411 DEBUG(10, ("Search of the id pool (filter: %s)\n", filter
));
413 rc
= smbldap_search(idmap_alloc_ldap
->smbldap_state
,
414 idmap_alloc_ldap
->suffix
,
415 LDAP_SCOPE_SUBTREE
, filter
,
416 attr_list
, 0, &result
);
418 if (rc
!= LDAP_SUCCESS
) {
419 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL
));
423 talloc_autofree_ldapmsg(ctx
, result
);
425 count
= ldap_count_entries(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
428 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL
));
432 entry
= ldap_first_entry(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
435 dn
= smbldap_talloc_dn(ctx
,
436 idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
442 if ( ! (id_str
= smbldap_talloc_single_attribute(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
443 entry
, type
, ctx
))) {
444 DEBUG(0,("%s attribute not found\n", type
));
448 DEBUG(0,("Out of memory\n"));
449 ret
= NT_STATUS_NO_MEMORY
;
453 xid
->id
= strtoul(id_str
, NULL
, 10);
455 /* make sure we still have room to grow */
459 if (xid
->id
> idmap_alloc_ldap
->high_uid
) {
460 DEBUG(0,("Cannot allocate uid above %lu!\n",
461 (unsigned long)idmap_alloc_ldap
->high_uid
));
467 if (xid
->id
> idmap_alloc_ldap
->high_gid
) {
468 DEBUG(0,("Cannot allocate gid above %lu!\n",
469 (unsigned long)idmap_alloc_ldap
->high_uid
));
479 new_id_str
= talloc_asprintf(ctx
, "%lu", (unsigned long)xid
->id
+ 1);
481 DEBUG(0,("Out of memory\n"));
482 ret
= NT_STATUS_NO_MEMORY
;
486 smbldap_set_mod(&mods
, LDAP_MOD_DELETE
, type
, id_str
);
487 smbldap_set_mod(&mods
, LDAP_MOD_ADD
, type
, new_id_str
);
490 DEBUG(0,("smbldap_set_mod() failed.\n"));
494 DEBUG(10, ("Try to atomically increment the id (%s -> %s)\n",
495 id_str
, new_id_str
));
497 rc
= smbldap_modify(idmap_alloc_ldap
->smbldap_state
, dn
, mods
);
499 ldap_mods_free(mods
, True
);
501 if (rc
!= LDAP_SUCCESS
) {
502 DEBUG(1,("Failed to allocate new %s. "
503 "smbldap_modify() failed.\n", type
));
514 /**********************************
515 Get current highest id.
516 **********************************/
518 static NTSTATUS
idmap_ldap_get_hwm(struct unixid
*xid
)
521 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
522 int rc
= LDAP_SERVER_DOWN
;
524 LDAPMessage
*result
= NULL
;
525 LDAPMessage
*entry
= NULL
;
528 const char **attr_list
;
531 /* Only do query if we are online */
532 if (idmap_is_offline()) {
533 return NT_STATUS_FILE_IS_OFFLINE
;
536 if ( ! idmap_alloc_ldap
) {
537 return NT_STATUS_UNSUCCESSFUL
;
540 memctx
= talloc_new(idmap_alloc_ldap
);
542 DEBUG(0, ("Out of memory!\n"));
543 return NT_STATUS_NO_MEMORY
;
550 type
= get_attr_key2string(idpool_attr_list
,
551 LDAP_ATTR_UIDNUMBER
);
555 type
= get_attr_key2string(idpool_attr_list
,
556 LDAP_ATTR_GIDNUMBER
);
560 DEBUG(2, ("Invalid ID type (0x%x)\n", xid
->type
));
561 return NT_STATUS_INVALID_PARAMETER
;
564 filter
= talloc_asprintf(memctx
, "(objectClass=%s)", LDAP_OBJ_IDPOOL
);
565 CHECK_ALLOC_DONE(filter
);
567 attr_list
= get_attr_list(memctx
, idpool_attr_list
);
568 CHECK_ALLOC_DONE(attr_list
);
570 rc
= smbldap_search(idmap_alloc_ldap
->smbldap_state
,
571 idmap_alloc_ldap
->suffix
,
572 LDAP_SCOPE_SUBTREE
, filter
,
573 attr_list
, 0, &result
);
575 if (rc
!= LDAP_SUCCESS
) {
576 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL
));
580 talloc_autofree_ldapmsg(memctx
, result
);
582 count
= ldap_count_entries(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
585 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL
));
589 entry
= ldap_first_entry(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
592 id_str
= smbldap_talloc_single_attribute(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
593 entry
, type
, memctx
);
595 DEBUG(0,("%s attribute not found\n", type
));
599 DEBUG(0,("Out of memory\n"));
600 ret
= NT_STATUS_NO_MEMORY
;
604 xid
->id
= strtoul(id_str
, NULL
, 10);
611 /**********************************
613 **********************************/
615 static NTSTATUS
idmap_ldap_set_hwm(struct unixid
*xid
)
618 NTSTATUS ret
= NT_STATUS_UNSUCCESSFUL
;
619 int rc
= LDAP_SERVER_DOWN
;
621 LDAPMessage
*result
= NULL
;
622 LDAPMessage
*entry
= NULL
;
623 LDAPMod
**mods
= NULL
;
626 const char *dn
= NULL
;
627 const char **attr_list
;
630 /* Only do query if we are online */
631 if (idmap_is_offline()) {
632 return NT_STATUS_FILE_IS_OFFLINE
;
635 if ( ! idmap_alloc_ldap
) {
636 return NT_STATUS_UNSUCCESSFUL
;
639 ctx
= talloc_new(idmap_alloc_ldap
);
641 DEBUG(0, ("Out of memory!\n"));
642 return NT_STATUS_NO_MEMORY
;
649 type
= get_attr_key2string(idpool_attr_list
,
650 LDAP_ATTR_UIDNUMBER
);
654 type
= get_attr_key2string(idpool_attr_list
,
655 LDAP_ATTR_GIDNUMBER
);
659 DEBUG(2, ("Invalid ID type (0x%x)\n", xid
->type
));
660 return NT_STATUS_INVALID_PARAMETER
;
663 filter
= talloc_asprintf(ctx
, "(objectClass=%s)", LDAP_OBJ_IDPOOL
);
664 CHECK_ALLOC_DONE(filter
);
666 attr_list
= get_attr_list(ctx
, idpool_attr_list
);
667 CHECK_ALLOC_DONE(attr_list
);
669 rc
= smbldap_search(idmap_alloc_ldap
->smbldap_state
,
670 idmap_alloc_ldap
->suffix
,
671 LDAP_SCOPE_SUBTREE
, filter
,
672 attr_list
, 0, &result
);
674 if (rc
!= LDAP_SUCCESS
) {
675 DEBUG(0,("%s object not found\n", LDAP_OBJ_IDPOOL
));
679 talloc_autofree_ldapmsg(ctx
, result
);
681 count
= ldap_count_entries(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
684 DEBUG(0,("Single %s object not found\n", LDAP_OBJ_IDPOOL
));
688 entry
= ldap_first_entry(idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
691 dn
= smbldap_talloc_dn(ctx
,
692 idmap_alloc_ldap
->smbldap_state
->ldap_struct
,
698 new_id_str
= talloc_asprintf(ctx
, "%lu", (unsigned long)xid
->id
);
700 DEBUG(0,("Out of memory\n"));
701 ret
= NT_STATUS_NO_MEMORY
;
705 smbldap_set_mod(&mods
, LDAP_MOD_REPLACE
, type
, new_id_str
);
708 DEBUG(0,("smbldap_set_mod() failed.\n"));
712 rc
= smbldap_modify(idmap_alloc_ldap
->smbldap_state
, dn
, mods
);
714 ldap_mods_free(mods
, True
);
716 if (rc
!= LDAP_SUCCESS
) {
717 DEBUG(1,("Failed to allocate new %s. "
718 "smbldap_modify() failed.\n", type
));
729 /**********************************
730 Close idmap ldap alloc
731 **********************************/
733 static NTSTATUS
idmap_ldap_alloc_close(void)
735 if (idmap_alloc_ldap
) {
736 smbldap_free_struct(&idmap_alloc_ldap
->smbldap_state
);
737 DEBUG(5,("The connection to the LDAP server was closed\n"));
738 /* maybe free the results here --metze */
739 TALLOC_FREE(idmap_alloc_ldap
);
745 /**********************************************************************
746 IDMAP MAPPING LDAP BACKEND
747 **********************************************************************/
749 static int idmap_ldap_close_destructor(struct idmap_ldap_context
*ctx
)
751 smbldap_free_struct(&ctx
->smbldap_state
);
752 DEBUG(5,("The connection to the LDAP server was closed\n"));
753 /* maybe free the results here --metze */
758 /********************************
759 Initialise idmap database.
760 ********************************/
762 static NTSTATUS
idmap_ldap_db_init(struct idmap_domain
*dom
)
765 struct idmap_ldap_context
*ctx
= NULL
;
766 char *config_option
= NULL
;
767 const char *range
= NULL
;
768 const char *tmp
= NULL
;
770 /* Only do init if we are online */
771 if (idmap_is_offline()) {
772 return NT_STATUS_FILE_IS_OFFLINE
;
775 ctx
= TALLOC_ZERO_P(dom
, struct idmap_ldap_context
);
777 DEBUG(0, ("Out of memory!\n"));
778 return NT_STATUS_NO_MEMORY
;
781 config_option
= talloc_asprintf(ctx
, "idmap config %s", dom
->name
);
782 if ( ! config_option
) {
783 DEBUG(0, ("Out of memory!\n"));
784 ret
= NT_STATUS_NO_MEMORY
;
789 range
= lp_parm_const_string(-1, config_option
, "range", NULL
);
790 if (range
&& range
[0]) {
791 if ((sscanf(range
, "%u - %u", &ctx
->filter_low_id
,
792 &ctx
->filter_high_id
) != 2) ||
793 (ctx
->filter_low_id
> ctx
->filter_high_id
)) {
794 DEBUG(1, ("ERROR: invalid filter range [%s]", range
));
795 ctx
->filter_low_id
= 0;
796 ctx
->filter_high_id
= 0;
800 if (dom
->params
&& *(dom
->params
)) {
801 /* assume location is the only parameter */
802 ctx
->url
= talloc_strdup(ctx
, dom
->params
);
804 tmp
= lp_parm_const_string(-1, config_option
, "ldap_url", NULL
);
807 DEBUG(1, ("ERROR: missing idmap ldap url\n"));
808 ret
= NT_STATUS_UNSUCCESSFUL
;
812 ctx
->url
= talloc_strdup(ctx
, tmp
);
814 CHECK_ALLOC_DONE(ctx
->url
);
816 tmp
= lp_parm_const_string(-1, config_option
, "ldap_base_dn", NULL
);
817 if ( ! tmp
|| ! *tmp
) {
818 tmp
= lp_ldap_idmap_suffix();
820 DEBUG(1, ("ERROR: missing idmap ldap suffix\n"));
821 ret
= NT_STATUS_UNSUCCESSFUL
;
826 ctx
->suffix
= talloc_strdup(ctx
, tmp
);
827 CHECK_ALLOC_DONE(ctx
->suffix
);
829 ret
= smbldap_init(ctx
, ctx
->url
, &ctx
->smbldap_state
);
830 if (!NT_STATUS_IS_OK(ret
)) {
831 DEBUG(1, ("ERROR: smbldap_init (%s) failed!\n", ctx
->url
));
835 ret
= get_credentials( ctx
, ctx
->smbldap_state
, config_option
,
836 dom
, &ctx
->user_dn
);
837 if ( !NT_STATUS_IS_OK(ret
) ) {
838 DEBUG(1,("idmap_ldap_db_init: Failed to get connection "
839 "credentials (%s)\n", nt_errstr(ret
)));
843 /* set the destructor on the context, so that resource are properly
844 freed if the contexts is released */
846 talloc_set_destructor(ctx
, idmap_ldap_close_destructor
);
848 dom
->private_data
= ctx
;
849 dom
->initialized
= True
;
851 talloc_free(config_option
);
860 /* max number of ids requested per batch query */
861 #define IDMAP_LDAP_MAX_IDS 30
863 /**********************************
864 lookup a set of unix ids.
865 **********************************/
867 /* this function searches up to IDMAP_LDAP_MAX_IDS entries
868 * in maps for a match */
869 static struct id_map
*find_map_by_id(struct id_map
**maps
,
875 for (i
= 0; i
< IDMAP_LDAP_MAX_IDS
; i
++) {
876 if (maps
[i
] == NULL
) { /* end of the run */
879 if ((maps
[i
]->xid
.type
== type
) && (maps
[i
]->xid
.id
== id
)) {
887 static NTSTATUS
idmap_ldap_unixids_to_sids(struct idmap_domain
*dom
,
892 struct idmap_ldap_context
*ctx
;
893 LDAPMessage
*result
= NULL
;
894 const char *uidNumber
;
895 const char *gidNumber
;
896 const char **attr_list
;
905 /* Only do query if we are online */
906 if (idmap_is_offline()) {
907 return NT_STATUS_FILE_IS_OFFLINE
;
910 /* Initilization my have been deferred because we were offline */
911 if ( ! dom
->initialized
) {
912 ret
= idmap_ldap_db_init(dom
);
913 if ( ! NT_STATUS_IS_OK(ret
)) {
918 ctx
= talloc_get_type(dom
->private_data
, struct idmap_ldap_context
);
920 memctx
= talloc_new(ctx
);
922 DEBUG(0, ("Out of memory!\n"));
923 return NT_STATUS_NO_MEMORY
;
926 uidNumber
= get_attr_key2string(idpool_attr_list
, LDAP_ATTR_UIDNUMBER
);
927 gidNumber
= get_attr_key2string(idpool_attr_list
, LDAP_ATTR_GIDNUMBER
);
929 attr_list
= get_attr_list(memctx
, sidmap_attr_list
);
932 /* if we are requested just one mapping use the simple filter */
934 filter
= talloc_asprintf(memctx
, "(&(objectClass=%s)(%s=%lu))",
935 LDAP_OBJ_IDMAP_ENTRY
,
936 (ids
[0]->xid
.type
==ID_TYPE_UID
)?uidNumber
:gidNumber
,
937 (unsigned long)ids
[0]->xid
.id
);
938 CHECK_ALLOC_DONE(filter
);
939 DEBUG(10, ("Filter: [%s]\n", filter
));
941 /* multiple mappings */
949 filter
= talloc_asprintf(memctx
,
950 "(&(objectClass=%s)(|",
951 LDAP_OBJ_IDMAP_ENTRY
);
952 CHECK_ALLOC_DONE(filter
);
955 for (i
= 0; (i
< IDMAP_LDAP_MAX_IDS
) && ids
[idx
]; i
++, idx
++) {
956 filter
= talloc_asprintf_append(filter
, "(%s=%lu)",
957 (ids
[idx
]->xid
.type
==ID_TYPE_UID
)?uidNumber
:gidNumber
,
958 (unsigned long)ids
[idx
]->xid
.id
);
959 CHECK_ALLOC_DONE(filter
);
961 filter
= talloc_asprintf_append(filter
, "))");
962 CHECK_ALLOC_DONE(filter
);
963 DEBUG(10, ("Filter: [%s]\n", filter
));
969 rc
= smbldap_search(ctx
->smbldap_state
, ctx
->suffix
, LDAP_SCOPE_SUBTREE
,
970 filter
, attr_list
, 0, &result
);
972 if (rc
!= LDAP_SUCCESS
) {
973 DEBUG(3,("Failure looking up ids (%s)\n", ldap_err2string(rc
)));
974 ret
= NT_STATUS_UNSUCCESSFUL
;
978 count
= ldap_count_entries(ctx
->smbldap_state
->ldap_struct
, result
);
981 DEBUG(10, ("NO SIDs found\n"));
984 for (i
= 0; i
< count
; i
++) {
985 LDAPMessage
*entry
= NULL
;
992 if (i
== 0) { /* first entry */
993 entry
= ldap_first_entry(ctx
->smbldap_state
->ldap_struct
,
995 } else { /* following ones */
996 entry
= ldap_next_entry(ctx
->smbldap_state
->ldap_struct
,
1000 DEBUG(2, ("ERROR: Unable to fetch ldap entries "
1005 /* first check if the SID is present */
1006 sidstr
= smbldap_talloc_single_attribute(
1007 ctx
->smbldap_state
->ldap_struct
,
1008 entry
, LDAP_ATTRIBUTE_SID
, memctx
);
1009 if ( ! sidstr
) { /* no sid, skip entry */
1010 DEBUG(2, ("WARNING SID not found on entry\n"));
1014 /* now try to see if it is a uid, if not try with a gid
1015 * (gid is more common, but in case both uidNumber and
1016 * gidNumber are returned the SID is mapped to the uid
1019 tmp
= smbldap_talloc_single_attribute(
1020 ctx
->smbldap_state
->ldap_struct
,
1021 entry
, uidNumber
, memctx
);
1024 tmp
= smbldap_talloc_single_attribute(
1025 ctx
->smbldap_state
->ldap_struct
,
1026 entry
, gidNumber
, memctx
);
1028 if ( ! tmp
) { /* wow very strange entry, how did it match ? */
1029 DEBUG(5, ("Unprobable match on (%s), no uidNumber, "
1030 "nor gidNumber returned\n", sidstr
));
1031 TALLOC_FREE(sidstr
);
1035 id
= strtoul(tmp
, NULL
, 10);
1037 (ctx
->filter_low_id
&& (id
< ctx
->filter_low_id
)) ||
1038 (ctx
->filter_high_id
&& (id
> ctx
->filter_high_id
))) {
1039 DEBUG(5, ("Requested id (%u) out of range (%u - %u). "
1041 ctx
->filter_low_id
, ctx
->filter_high_id
));
1042 TALLOC_FREE(sidstr
);
1048 map
= find_map_by_id(&ids
[bidx
], type
, id
);
1050 DEBUG(2, ("WARNING: couldn't match sid (%s) "
1051 "with requested ids\n", sidstr
));
1052 TALLOC_FREE(sidstr
);
1056 if ( ! string_to_sid(map
->sid
, sidstr
)) {
1057 DEBUG(2, ("ERROR: Invalid SID on entry\n"));
1058 TALLOC_FREE(sidstr
);
1061 TALLOC_FREE(sidstr
);
1064 map
->status
= ID_MAPPED
;
1066 DEBUG(10, ("Mapped %s -> %lu (%d)\n",
1067 sid_string_static(map
->sid
),
1068 (unsigned long)map
->xid
.id
, map
->xid
.type
));
1071 /* free the ldap results */
1073 ldap_msgfree(result
);
1077 if (multi
&& ids
[idx
]) { /* still some values to map */
1083 /* mark all unknwon/expired ones as unmapped */
1084 for (i
= 0; ids
[i
]; i
++) {
1085 if (ids
[i
]->status
!= ID_MAPPED
)
1086 ids
[i
]->status
= ID_UNMAPPED
;
1090 talloc_free(memctx
);
1094 /**********************************
1095 lookup a set of sids.
1096 **********************************/
1098 /* this function searches up to IDMAP_LDAP_MAX_IDS entries
1099 * in maps for a match */
1100 static struct id_map
*find_map_by_sid(struct id_map
**maps
, DOM_SID
*sid
)
1104 for (i
= 0; i
< IDMAP_LDAP_MAX_IDS
; i
++) {
1105 if (maps
[i
] == NULL
) { /* end of the run */
1108 if (sid_equal(maps
[i
]->sid
, sid
)) {
1116 static NTSTATUS
idmap_ldap_sids_to_unixids(struct idmap_domain
*dom
,
1117 struct id_map
**ids
)
1119 LDAPMessage
*entry
= NULL
;
1122 struct idmap_ldap_context
*ctx
;
1123 LDAPMessage
*result
= NULL
;
1124 const char *uidNumber
;
1125 const char *gidNumber
;
1126 const char **attr_list
;
1127 char *filter
= NULL
;
1135 /* Only do query if we are online */
1136 if (idmap_is_offline()) {
1137 return NT_STATUS_FILE_IS_OFFLINE
;
1140 /* Initilization my have been deferred because we were offline */
1141 if ( ! dom
->initialized
) {
1142 ret
= idmap_ldap_db_init(dom
);
1143 if ( ! NT_STATUS_IS_OK(ret
)) {
1148 ctx
= talloc_get_type(dom
->private_data
, struct idmap_ldap_context
);
1150 memctx
= talloc_new(ctx
);
1152 DEBUG(0, ("Out of memory!\n"));
1153 return NT_STATUS_NO_MEMORY
;
1156 uidNumber
= get_attr_key2string(idpool_attr_list
, LDAP_ATTR_UIDNUMBER
);
1157 gidNumber
= get_attr_key2string(idpool_attr_list
, LDAP_ATTR_GIDNUMBER
);
1159 attr_list
= get_attr_list(memctx
, sidmap_attr_list
);
1162 /* if we are requested just one mapping use the simple filter */
1164 filter
= talloc_asprintf(memctx
, "(&(objectClass=%s)(%s=%s))",
1165 LDAP_OBJ_IDMAP_ENTRY
,
1167 sid_string_static(ids
[0]->sid
));
1168 CHECK_ALLOC_DONE(filter
);
1169 DEBUG(10, ("Filter: [%s]\n", filter
));
1171 /* multiple mappings */
1178 TALLOC_FREE(filter
);
1179 filter
= talloc_asprintf(memctx
,
1180 "(&(objectClass=%s)(|",
1181 LDAP_OBJ_IDMAP_ENTRY
);
1182 CHECK_ALLOC_DONE(filter
);
1185 for (i
= 0; (i
< IDMAP_LDAP_MAX_IDS
) && ids
[idx
]; i
++, idx
++) {
1186 filter
= talloc_asprintf_append(filter
, "(%s=%s)",
1188 sid_string_static(ids
[idx
]->sid
));
1189 CHECK_ALLOC_DONE(filter
);
1191 filter
= talloc_asprintf_append(filter
, "))");
1192 CHECK_ALLOC_DONE(filter
);
1193 DEBUG(10, ("Filter: [%s]", filter
));
1199 rc
= smbldap_search(ctx
->smbldap_state
, ctx
->suffix
, LDAP_SCOPE_SUBTREE
,
1200 filter
, attr_list
, 0, &result
);
1202 if (rc
!= LDAP_SUCCESS
) {
1203 DEBUG(3,("Failure looking up sids (%s)\n",
1204 ldap_err2string(rc
)));
1205 ret
= NT_STATUS_UNSUCCESSFUL
;
1209 count
= ldap_count_entries(ctx
->smbldap_state
->ldap_struct
, result
);
1212 DEBUG(10, ("NO SIDs found\n"));
1215 for (i
= 0; i
< count
; i
++) {
1216 char *sidstr
= NULL
;
1223 if (i
== 0) { /* first entry */
1224 entry
= ldap_first_entry(ctx
->smbldap_state
->ldap_struct
,
1226 } else { /* following ones */
1227 entry
= ldap_next_entry(ctx
->smbldap_state
->ldap_struct
,
1231 DEBUG(2, ("ERROR: Unable to fetch ldap entries "
1236 /* first check if the SID is present */
1237 sidstr
= smbldap_talloc_single_attribute(
1238 ctx
->smbldap_state
->ldap_struct
,
1239 entry
, LDAP_ATTRIBUTE_SID
, memctx
);
1240 if ( ! sidstr
) { /* no sid ??, skip entry */
1241 DEBUG(2, ("WARNING SID not found on entry\n"));
1245 if ( ! string_to_sid(&sid
, sidstr
)) {
1246 DEBUG(2, ("ERROR: Invalid SID on entry\n"));
1247 TALLOC_FREE(sidstr
);
1251 map
= find_map_by_sid(&ids
[bidx
], &sid
);
1253 DEBUG(2, ("WARNING: couldn't find entry sid (%s) "
1255 TALLOC_FREE(sidstr
);
1259 TALLOC_FREE(sidstr
);
1261 /* now try to see if it is a uid, if not try with a gid
1262 * (gid is more common, but in case both uidNumber and
1263 * gidNumber are returned the SID is mapped to the uid
1266 tmp
= smbldap_talloc_single_attribute(
1267 ctx
->smbldap_state
->ldap_struct
,
1268 entry
, uidNumber
, memctx
);
1271 tmp
= smbldap_talloc_single_attribute(
1272 ctx
->smbldap_state
->ldap_struct
,
1273 entry
, gidNumber
, memctx
);
1275 if ( ! tmp
) { /* no ids ?? */
1276 DEBUG(5, ("no uidNumber, "
1277 "nor gidNumber attributes found\n"));
1281 id
= strtoul(tmp
, NULL
, 10);
1283 (ctx
->filter_low_id
&& (id
< ctx
->filter_low_id
)) ||
1284 (ctx
->filter_high_id
&& (id
> ctx
->filter_high_id
))) {
1285 DEBUG(5, ("Requested id (%u) out of range (%u - %u). "
1287 ctx
->filter_low_id
, ctx
->filter_high_id
));
1294 map
->xid
.type
= type
;
1296 map
->status
= ID_MAPPED
;
1298 DEBUG(10, ("Mapped %s -> %lu (%d)\n",
1299 sid_string_static(map
->sid
),
1300 (unsigned long)map
->xid
.id
, map
->xid
.type
));
1303 /* free the ldap results */
1305 ldap_msgfree(result
);
1309 if (multi
&& ids
[idx
]) { /* still some values to map */
1315 /* mark all unknwon/expired ones as unmapped */
1316 for (i
= 0; ids
[i
]; i
++) {
1317 if (ids
[i
]->status
!= ID_MAPPED
)
1318 ids
[i
]->status
= ID_UNMAPPED
;
1322 talloc_free(memctx
);
1326 /**********************************
1328 **********************************/
1330 /* TODO: change this: This function cannot be called to modify a mapping,
1331 * only set a new one */
1333 static NTSTATUS
idmap_ldap_set_mapping(struct idmap_domain
*dom
,
1334 const struct id_map
*map
)
1338 struct idmap_ldap_context
*ctx
;
1339 LDAPMessage
*entry
= NULL
;
1340 LDAPMod
**mods
= NULL
;
1347 /* Only do query if we are online */
1348 if (idmap_is_offline()) {
1349 return NT_STATUS_FILE_IS_OFFLINE
;
1352 /* Initilization my have been deferred because we were offline */
1353 if ( ! dom
->initialized
) {
1354 ret
= idmap_ldap_db_init(dom
);
1355 if ( ! NT_STATUS_IS_OK(ret
)) {
1360 ctx
= talloc_get_type(dom
->private_data
, struct idmap_ldap_context
);
1362 switch(map
->xid
.type
) {
1364 type
= get_attr_key2string(sidmap_attr_list
,
1365 LDAP_ATTR_UIDNUMBER
);
1369 type
= get_attr_key2string(sidmap_attr_list
,
1370 LDAP_ATTR_GIDNUMBER
);
1374 return NT_STATUS_INVALID_PARAMETER
;
1377 memctx
= talloc_new(ctx
);
1379 DEBUG(0, ("Out of memory!\n"));
1380 return NT_STATUS_NO_MEMORY
;
1383 id_str
= talloc_asprintf(memctx
, "%lu", (unsigned long)map
->xid
.id
);
1384 CHECK_ALLOC_DONE(id_str
);
1386 sid
= talloc_strdup(memctx
, sid_string_static(map
->sid
));
1387 CHECK_ALLOC_DONE(sid
);
1389 dn
= talloc_asprintf(memctx
, "%s=%s,%s",
1390 get_attr_key2string(sidmap_attr_list
, LDAP_ATTR_SID
),
1393 CHECK_ALLOC_DONE(dn
);
1395 smbldap_set_mod(&mods
, LDAP_MOD_ADD
,
1396 "objectClass", LDAP_OBJ_IDMAP_ENTRY
);
1398 smbldap_make_mod(ctx
->smbldap_state
->ldap_struct
,
1399 entry
, &mods
, type
, id_str
);
1401 smbldap_make_mod(ctx
->smbldap_state
->ldap_struct
, entry
, &mods
,
1402 get_attr_key2string(sidmap_attr_list
, LDAP_ATTR_SID
),
1406 DEBUG(2, ("ERROR: No mods?\n"));
1407 ret
= NT_STATUS_UNSUCCESSFUL
;
1411 /* TODO: remove conflicting mappings! */
1413 smbldap_set_mod(&mods
, LDAP_MOD_ADD
, "objectClass", LDAP_OBJ_SID_ENTRY
);
1415 DEBUG(10, ("Set DN %s (%s -> %s)\n", dn
, sid
, id_str
));
1417 rc
= smbldap_add(ctx
->smbldap_state
, dn
, mods
);
1418 ldap_mods_free(mods
, True
);
1420 if (rc
!= LDAP_SUCCESS
) {
1421 char *ld_error
= NULL
;
1422 ldap_get_option(ctx
->smbldap_state
->ldap_struct
,
1423 LDAP_OPT_ERROR_STRING
, &ld_error
);
1424 DEBUG(0,("ldap_set_mapping_internals: Failed to add %s to %lu "
1425 "mapping [%s]\n", sid
,
1426 (unsigned long)map
->xid
.id
, type
));
1427 DEBUG(0, ("ldap_set_mapping_internals: Error was: %s (%s)\n",
1428 ld_error
? ld_error
: "(NULL)", ldap_err2string (rc
)));
1430 ldap_memfree(ld_error
);
1432 ret
= NT_STATUS_UNSUCCESSFUL
;
1436 DEBUG(10,("ldap_set_mapping: Successfully created mapping from %s to "
1437 "%lu [%s]\n", sid
, (unsigned long)map
->xid
.id
, type
));
1442 talloc_free(memctx
);
1446 /**********************************
1447 Close the idmap ldap instance
1448 **********************************/
1450 static NTSTATUS
idmap_ldap_close(struct idmap_domain
*dom
)
1452 struct idmap_ldap_context
*ctx
;
1454 if (dom
->private_data
) {
1455 ctx
= talloc_get_type(dom
->private_data
,
1456 struct idmap_ldap_context
);
1459 dom
->private_data
= NULL
;
1462 return NT_STATUS_OK
;
1465 static struct idmap_methods idmap_ldap_methods
= {
1467 .init
= idmap_ldap_db_init
,
1468 .unixids_to_sids
= idmap_ldap_unixids_to_sids
,
1469 .sids_to_unixids
= idmap_ldap_sids_to_unixids
,
1470 .set_mapping
= idmap_ldap_set_mapping
,
1471 .close_fn
= idmap_ldap_close
1474 static struct idmap_alloc_methods idmap_ldap_alloc_methods
= {
1476 .init
= idmap_ldap_alloc_init
,
1477 .allocate_id
= idmap_ldap_allocate_id
,
1478 .get_id_hwm
= idmap_ldap_get_hwm
,
1479 .set_id_hwm
= idmap_ldap_set_hwm
,
1480 .close_fn
= idmap_ldap_alloc_close
,
1481 /* .dump_data = TODO */
1484 NTSTATUS
idmap_alloc_ldap_init(void)
1486 return smb_register_idmap_alloc(SMB_IDMAP_INTERFACE_VERSION
, "ldap",
1487 &idmap_ldap_alloc_methods
);
1490 NTSTATUS
idmap_ldap_init(void)
1494 /* FIXME: bad hack to actually register also the alloc_ldap module
1495 * without changining configure.in */
1496 ret
= idmap_alloc_ldap_init();
1497 if (! NT_STATUS_IS_OK(ret
)) {
1500 return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION
, "ldap",
1501 &idmap_ldap_methods
);