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s3: change ldap filter to what really was intended
[Samba/ita.git] / source3 / passdb / pdb_ldap.c
blobd079262ee8c6465e5544d2d8a27741296f08d95d
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
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 3 of the License, or
14 (at your option) any later version.
15
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.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "../libcli/auth/libcli_auth.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 fstring objclass_filter;
164 char *result;
165
166 switch( schema_ver ) {
167 case SCHEMAVER_SAMBAACCOUNT:
168 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
169 break;
170 case SCHEMAVER_SAMBASAMACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
172 break;
173 default:
174 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
175 objclass_filter[0] = '\0';
176 break;
177 }
178
179 result = talloc_strdup(talloc_tos(), objclass_filter);
180 SMB_ASSERT(result != NULL);
181 return result;
182 }
183
184 /*****************************************************************
185 Scan a sequence number off OpenLDAP's syncrepl contextCSN
186 ******************************************************************/
187
188 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
189 {
190 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
191 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
192 LDAPMessage *msg = NULL;
193 LDAPMessage *entry = NULL;
194 TALLOC_CTX *mem_ctx;
195 char **values = NULL;
196 int rc, num_result, num_values, rid;
197 char *suffix = NULL;
198 char *tok;
199 const char *p;
200 const char **attrs;
201
202 /* Unfortunatly there is no proper way to detect syncrepl-support in
203 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
204 * but do not show up in the root-DSE yet. Neither we can query the
205 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
206 * objectclass. Currently we require lp_ldap_suffix() to show up as
207 * namingContext. - Guenther
208 */
209
210 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
211 return ntstatus;
212 }
213
214 if (!seq_num) {
215 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
216 return ntstatus;
217 }
218
219 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
220 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
221 "as top-level namingContext\n", lp_ldap_suffix()));
222 return ntstatus;
223 }
224
225 mem_ctx = talloc_init("ldapsam_get_seq_num");
226
227 if (mem_ctx == NULL)
228 return NT_STATUS_NO_MEMORY;
229
230 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
231 ntstatus = NT_STATUS_NO_MEMORY;
232 goto done;
233 }
234
235 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
236 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
237 if (rid > 0) {
238
239 /* consumer syncreplCookie: */
240 /* csn=20050126161620Z#0000001#00#00000 */
241 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
242 attrs[1] = NULL;
243 suffix = talloc_asprintf(mem_ctx,
244 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
245 if (!suffix) {
246 ntstatus = NT_STATUS_NO_MEMORY;
247 goto done;
248 }
249 } else {
250
251 /* provider contextCSN */
252 /* 20050126161620Z#000009#00#000000 */
253 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
254 attrs[1] = NULL;
255 suffix = talloc_asprintf(mem_ctx,
256 "cn=ldapsync,%s", lp_ldap_suffix());
257
258 if (!suffix) {
259 ntstatus = NT_STATUS_NO_MEMORY;
260 goto done;
261 }
262 }
263
264 rc = smbldap_search(ldap_state->smbldap_state, suffix,
265 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
266
267 if (rc != LDAP_SUCCESS) {
268 goto done;
269 }
270
271 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
272 if (num_result != 1) {
273 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
274 goto done;
275 }
276
277 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
278 if (entry == NULL) {
279 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
280 goto done;
281 }
282
283 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
284 if (values == NULL) {
285 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
286 goto done;
287 }
288
289 num_values = ldap_count_values(values);
290 if (num_values == 0) {
291 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
292 goto done;
293 }
294
295 p = values[0];
296 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
297 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
298 goto done;
299 }
300
301 p = tok;
302 if (!strncmp(p, "csn=", strlen("csn=")))
303 p += strlen("csn=");
304
305 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
306
307 *seq_num = generalized_to_unix_time(p);
308
309 /* very basic sanity check */
310 if (*seq_num <= 0) {
311 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
312 (int)*seq_num));
313 goto done;
314 }
315
316 ntstatus = NT_STATUS_OK;
317
318 done:
319 if (values != NULL)
320 ldap_value_free(values);
321 if (msg != NULL)
322 ldap_msgfree(msg);
323 if (mem_ctx)
324 talloc_destroy(mem_ctx);
325
326 return ntstatus;
327 }
328
329 /*******************************************************************
330 Run the search by name.
331 ******************************************************************/
332
333 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
334 const char *user,
335 LDAPMessage ** result,
336 const char **attr)
337 {
338 char *filter = NULL;
339 char *escape_user = escape_ldap_string(talloc_tos(), user);
340 int ret = -1;
341
342 if (!escape_user) {
343 return LDAP_NO_MEMORY;
344 }
345
346 /*
347 * in the filter expression, replace %u with the real name
348 * so in ldap filter, %u MUST exist :-)
349 */
350 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
351 get_objclass_filter(ldap_state->schema_ver));
352 if (!filter) {
353 TALLOC_FREE(escape_user);
354 return LDAP_NO_MEMORY;
355 }
356 /*
357 * have to use this here because $ is filtered out
358 * in string_sub
359 */
360
361 filter = talloc_all_string_sub(talloc_tos(),
362 filter, "%u", escape_user);
363 TALLOC_FREE(escape_user);
364 if (!filter) {
365 return LDAP_NO_MEMORY;
366 }
367
368 ret = smbldap_search_suffix(ldap_state->smbldap_state,
369 filter, attr, result);
370 TALLOC_FREE(filter);
371 return ret;
372 }
373
374 /*******************************************************************
375 Run the search by rid.
376 ******************************************************************/
377
378 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
379 uint32 rid, LDAPMessage ** result,
380 const char **attr)
381 {
382 char *filter = NULL;
383 int rc;
384
385 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
386 get_objclass_filter(ldap_state->schema_ver));
387 if (!filter) {
388 return LDAP_NO_MEMORY;
389 }
390
391 rc = smbldap_search_suffix(ldap_state->smbldap_state,
392 filter, attr, result);
393 TALLOC_FREE(filter);
394 return rc;
395 }
396
397 /*******************************************************************
398 Run the search by SID.
399 ******************************************************************/
400
401 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
402 const DOM_SID *sid, LDAPMessage ** result,
403 const char **attr)
404 {
405 char *filter = NULL;
406 int rc;
407 fstring sid_string;
408
409 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
410 get_userattr_key2string(ldap_state->schema_ver,
411 LDAP_ATTR_USER_SID),
412 sid_to_fstring(sid_string, sid),
413 get_objclass_filter(ldap_state->schema_ver));
414 if (!filter) {
415 return LDAP_NO_MEMORY;
416 }
417
418 rc = smbldap_search_suffix(ldap_state->smbldap_state,
419 filter, attr, result);
420
421 TALLOC_FREE(filter);
422 return rc;
423 }
424
425 /*******************************************************************
426 Delete complete object or objectclass and attrs from
427 object found in search_result depending on lp_ldap_delete_dn
428 ******************************************************************/
429
430 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
431 TALLOC_CTX *mem_ctx,
432 LDAPMessage *entry,
433 const char *objectclass,
434 const char **attrs)
435 {
436 LDAPMod **mods = NULL;
437 char *name;
438 const char *dn;
439 BerElement *ptr = NULL;
440
441 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
442 if (dn == NULL) {
443 return LDAP_NO_MEMORY;
444 }
445
446 if (lp_ldap_delete_dn()) {
447 return smbldap_delete(priv->smbldap_state, dn);
448 }
449
450 /* Ok, delete only the SAM attributes */
451
452 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
453 name != NULL;
454 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
455 const char **attrib;
456
457 /* We are only allowed to delete the attributes that
458 really exist. */
459
460 for (attrib = attrs; *attrib != NULL; attrib++) {
461 if (strequal(*attrib, name)) {
462 DEBUG(10, ("ldapsam_delete_entry: deleting "
463 "attribute %s\n", name));
464 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
465 NULL);
466 }
467 }
468 ldap_memfree(name);
469 }
470
471 if (ptr != NULL) {
472 ber_free(ptr, 0);
473 }
474
475 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
476 talloc_autofree_ldapmod(mem_ctx, mods);
477
478 return smbldap_modify(priv->smbldap_state, dn, mods);
479 }
480
481 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
482 {
483 char *temp;
484 struct tm tm;
485
486 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
487 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
488 talloc_tos());
489 if (!temp) {
490 return (time_t) 0;
491 }
492
493 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
494 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
495 (char*)temp));
496 TALLOC_FREE(temp);
497 return (time_t) 0;
498 }
499 TALLOC_FREE(temp);
500 tzset();
501 return timegm(&tm);
502 }
503
504 /**********************************************************************
505 Initialize struct samu from an LDAP query.
506 (Based on init_sam_from_buffer in pdb_tdb.c)
507 *********************************************************************/
508
509 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
510 struct samu * sampass,
511 LDAPMessage * entry)
512 {
513 time_t logon_time,
514 logoff_time,
515 kickoff_time,
516 pass_last_set_time,
517 pass_can_change_time,
518 pass_must_change_time,
519 ldap_entry_time,
520 bad_password_time;
521 char *username = NULL,
522 *domain = NULL,
523 *nt_username = NULL,
524 *fullname = NULL,
525 *homedir = NULL,
526 *dir_drive = NULL,
527 *logon_script = NULL,
528 *profile_path = NULL,
529 *acct_desc = NULL,
530 *workstations = NULL,
531 *munged_dial = NULL;
532 uint32 user_rid;
533 uint8 smblmpwd[LM_HASH_LEN],
534 smbntpwd[NT_HASH_LEN];
535 bool use_samba_attrs = True;
536 uint32 acct_ctrl = 0;
537 uint16 logon_divs;
538 uint16 bad_password_count = 0,
539 logon_count = 0;
540 uint32 hours_len;
541 uint8 hours[MAX_HOURS_LEN];
542 char *temp = NULL;
543 LOGIN_CACHE *cache_entry = NULL;
544 uint32 pwHistLen;
545 bool expand_explicit = lp_passdb_expand_explicit();
546 bool ret = false;
547 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
548
549 if (!ctx) {
550 return false;
551 }
552 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
553 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
554 goto fn_exit;
555 }
556
557 if (priv2ld(ldap_state) == NULL) {
558 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
559 "ldap_struct is NULL!\n"));
560 goto fn_exit;
561 }
562
563 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
564 entry,
565 "uid",
566 ctx))) {
567 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
568 "this user!\n"));
569 goto fn_exit;
570 }
571
572 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
573
574 nt_username = talloc_strdup(ctx, username);
575 if (!nt_username) {
576 goto fn_exit;
577 }
578
579 domain = talloc_strdup(ctx, ldap_state->domain_name);
580 if (!domain) {
581 goto fn_exit;
582 }
583
584 pdb_set_username(sampass, username, PDB_SET);
585
586 pdb_set_domain(sampass, domain, PDB_DEFAULT);
587 pdb_set_nt_username(sampass, nt_username, PDB_SET);
588
589 /* deal with different attributes between the schema first */
590
591 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
592 if ((temp = smbldap_talloc_single_attribute(
593 ldap_state->smbldap_state->ldap_struct,
594 entry,
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 ctx))!=NULL) {
598 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
599 }
600 } else {
601 if ((temp = smbldap_talloc_single_attribute(
602 ldap_state->smbldap_state->ldap_struct,
603 entry,
604 get_userattr_key2string(ldap_state->schema_ver,
605 LDAP_ATTR_USER_RID),
606 ctx))!=NULL) {
607 user_rid = (uint32)atol(temp);
608 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
609 }
610 }
611
612 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
613 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_SID),
616 get_userattr_key2string(ldap_state->schema_ver,
617 LDAP_ATTR_USER_RID),
618 username));
619 return False;
620 }
621
622 temp = smbldap_talloc_single_attribute(
623 ldap_state->smbldap_state->ldap_struct,
624 entry,
625 get_userattr_key2string(ldap_state->schema_ver,
626 LDAP_ATTR_PWD_LAST_SET),
627 ctx);
628 if (temp) {
629 pass_last_set_time = (time_t) atol(temp);
630 pdb_set_pass_last_set_time(sampass,
631 pass_last_set_time, PDB_SET);
632 }
633
634 temp = smbldap_talloc_single_attribute(
635 ldap_state->smbldap_state->ldap_struct,
636 entry,
637 get_userattr_key2string(ldap_state->schema_ver,
638 LDAP_ATTR_LOGON_TIME),
639 ctx);
640 if (temp) {
641 logon_time = (time_t) atol(temp);
642 pdb_set_logon_time(sampass, logon_time, PDB_SET);
643 }
644
645 temp = smbldap_talloc_single_attribute(
646 ldap_state->smbldap_state->ldap_struct,
647 entry,
648 get_userattr_key2string(ldap_state->schema_ver,
649 LDAP_ATTR_LOGOFF_TIME),
650 ctx);
651 if (temp) {
652 logoff_time = (time_t) atol(temp);
653 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
654 }
655
656 temp = smbldap_talloc_single_attribute(
657 ldap_state->smbldap_state->ldap_struct,
658 entry,
659 get_userattr_key2string(ldap_state->schema_ver,
660 LDAP_ATTR_KICKOFF_TIME),
661 ctx);
662 if (temp) {
663 kickoff_time = (time_t) atol(temp);
664 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
665 }
666
667 temp = smbldap_talloc_single_attribute(
668 ldap_state->smbldap_state->ldap_struct,
669 entry,
670 get_userattr_key2string(ldap_state->schema_ver,
671 LDAP_ATTR_PWD_CAN_CHANGE),
672 ctx);
673 if (temp) {
674 pass_can_change_time = (time_t) atol(temp);
675 pdb_set_pass_can_change_time(sampass,
676 pass_can_change_time, PDB_SET);
677 }
678
679 temp = smbldap_talloc_single_attribute(
680 ldap_state->smbldap_state->ldap_struct,
681 entry,
682 get_userattr_key2string(ldap_state->schema_ver,
683 LDAP_ATTR_PWD_MUST_CHANGE),
684 ctx);
685 if (temp) {
686 pass_must_change_time = (time_t) atol(temp);
687 pdb_set_pass_must_change_time(sampass,
688 pass_must_change_time, PDB_SET);
689 }
690
691 /* recommend that 'gecos' and 'displayName' should refer to the same
692 * attribute OID. userFullName depreciated, only used by Samba
693 * primary rules of LDAP: don't make a new attribute when one is already defined
694 * that fits your needs; using cn then displayName rather than 'userFullName'
695 */
696
697 fullname = smbldap_talloc_single_attribute(
698 ldap_state->smbldap_state->ldap_struct,
699 entry,
700 get_userattr_key2string(ldap_state->schema_ver,
701 LDAP_ATTR_DISPLAY_NAME),
702 ctx);
703 if (fullname) {
704 pdb_set_fullname(sampass, fullname, PDB_SET);
705 } else {
706 fullname = smbldap_talloc_single_attribute(
707 ldap_state->smbldap_state->ldap_struct,
708 entry,
709 get_userattr_key2string(ldap_state->schema_ver,
710 LDAP_ATTR_CN),
711 ctx);
712 if (fullname) {
713 pdb_set_fullname(sampass, fullname, PDB_SET);
714 }
715 }
716
717 dir_drive = smbldap_talloc_single_attribute(
718 ldap_state->smbldap_state->ldap_struct,
719 entry,
720 get_userattr_key2string(ldap_state->schema_ver,
721 LDAP_ATTR_HOME_DRIVE),
722 ctx);
723 if (dir_drive) {
724 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
725 } else {
726 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
727 }
728
729 homedir = smbldap_talloc_single_attribute(
730 ldap_state->smbldap_state->ldap_struct,
731 entry,
732 get_userattr_key2string(ldap_state->schema_ver,
733 LDAP_ATTR_HOME_PATH),
734 ctx);
735 if (homedir) {
736 if (expand_explicit) {
737 homedir = talloc_sub_basic(ctx,
738 username,
739 domain,
740 homedir);
741 if (!homedir) {
742 goto fn_exit;
743 }
744 }
745 pdb_set_homedir(sampass, homedir, PDB_SET);
746 } else {
747 pdb_set_homedir(sampass,
748 talloc_sub_basic(ctx, username, domain,
749 lp_logon_home()),
750 PDB_DEFAULT);
751 }
752
753 logon_script = smbldap_talloc_single_attribute(
754 ldap_state->smbldap_state->ldap_struct,
755 entry,
756 get_userattr_key2string(ldap_state->schema_ver,
757 LDAP_ATTR_LOGON_SCRIPT),
758 ctx);
759 if (logon_script) {
760 if (expand_explicit) {
761 logon_script = talloc_sub_basic(ctx,
762 username,
763 domain,
764 logon_script);
765 if (!logon_script) {
766 goto fn_exit;
767 }
768 }
769 pdb_set_logon_script(sampass, logon_script, PDB_SET);
770 } else {
771 pdb_set_logon_script(sampass,
772 talloc_sub_basic(ctx, username, domain,
773 lp_logon_script()),
774 PDB_DEFAULT );
775 }
776
777 profile_path = smbldap_talloc_single_attribute(
778 ldap_state->smbldap_state->ldap_struct,
779 entry,
780 get_userattr_key2string(ldap_state->schema_ver,
781 LDAP_ATTR_PROFILE_PATH),
782 ctx);
783 if (profile_path) {
784 if (expand_explicit) {
785 profile_path = talloc_sub_basic(ctx,
786 username,
787 domain,
788 profile_path);
789 if (!profile_path) {
790 goto fn_exit;
791 }
792 }
793 pdb_set_profile_path(sampass, profile_path, PDB_SET);
794 } else {
795 pdb_set_profile_path(sampass,
796 talloc_sub_basic(ctx, username, domain,
797 lp_logon_path()),
798 PDB_DEFAULT );
799 }
800
801 acct_desc = smbldap_talloc_single_attribute(
802 ldap_state->smbldap_state->ldap_struct,
803 entry,
804 get_userattr_key2string(ldap_state->schema_ver,
805 LDAP_ATTR_DESC),
806 ctx);
807 if (acct_desc) {
808 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
809 }
810
811 workstations = smbldap_talloc_single_attribute(
812 ldap_state->smbldap_state->ldap_struct,
813 entry,
814 get_userattr_key2string(ldap_state->schema_ver,
815 LDAP_ATTR_USER_WKS),
816 ctx);
817 if (workstations) {
818 pdb_set_workstations(sampass, workstations, PDB_SET);
819 }
820
821 munged_dial = smbldap_talloc_single_attribute(
822 ldap_state->smbldap_state->ldap_struct,
823 entry,
824 get_userattr_key2string(ldap_state->schema_ver,
825 LDAP_ATTR_MUNGED_DIAL),
826 ctx);
827 if (munged_dial) {
828 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
829 }
830
831 /* FIXME: hours stuff should be cleaner */
832
833 logon_divs = 168;
834 hours_len = 21;
835 memset(hours, 0xff, hours_len);
836
837 if (ldap_state->is_nds_ldap) {
838 char *user_dn;
839 size_t pwd_len;
840 char clear_text_pw[512];
841
842 /* Make call to Novell eDirectory ldap extension to get clear text password.
843 NOTE: This will only work if we have an SSL connection to eDirectory. */
844 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
845 if (user_dn != NULL) {
846 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
847
848 pwd_len = sizeof(clear_text_pw);
849 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
850 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
851 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
852 TALLOC_FREE(user_dn);
853 return False;
854 }
855 ZERO_STRUCT(smblmpwd);
856 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
857 TALLOC_FREE(user_dn);
858 return False;
859 }
860 ZERO_STRUCT(smbntpwd);
861 use_samba_attrs = False;
862 }
863
864 TALLOC_FREE(user_dn);
865
866 } else {
867 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
868 }
869 }
870
871 if (use_samba_attrs) {
872 temp = smbldap_talloc_single_attribute(
873 ldap_state->smbldap_state->ldap_struct,
874 entry,
875 get_userattr_key2string(ldap_state->schema_ver,
876 LDAP_ATTR_LMPW),
877 ctx);
878 if (temp) {
879 pdb_gethexpwd(temp, smblmpwd);
880 memset((char *)temp, '\0', strlen(temp)+1);
881 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
882 goto fn_exit;
883 }
884 ZERO_STRUCT(smblmpwd);
885 }
886
887 temp = smbldap_talloc_single_attribute(
888 ldap_state->smbldap_state->ldap_struct,
889 entry,
890 get_userattr_key2string(ldap_state->schema_ver,
891 LDAP_ATTR_NTPW),
892 ctx);
893 if (temp) {
894 pdb_gethexpwd(temp, smbntpwd);
895 memset((char *)temp, '\0', strlen(temp)+1);
896 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
897 goto fn_exit;
898 }
899 ZERO_STRUCT(smbntpwd);
900 }
901 }
902
903 pwHistLen = 0;
904
905 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
906 if (pwHistLen > 0){
907 uint8 *pwhist = NULL;
908 int i;
909 char *history_string = TALLOC_ARRAY(ctx, char,
910 MAX_PW_HISTORY_LEN*64);
911
912 if (!history_string) {
913 goto fn_exit;
914 }
915
916 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
917
918 pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN);
920 if (pwhist == NULL) {
921 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
922 goto fn_exit;
923 }
924 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
925
926 if (smbldap_get_single_attribute(
927 ldap_state->smbldap_state->ldap_struct,
928 entry,
929 get_userattr_key2string(ldap_state->schema_ver,
930 LDAP_ATTR_PWD_HISTORY),
931 history_string,
932 MAX_PW_HISTORY_LEN*64)) {
933 bool hex_failed = false;
934 for (i = 0; i < pwHistLen; i++){
935 /* Get the 16 byte salt. */
936 if (!pdb_gethexpwd(&history_string[i*64],
937 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
938 hex_failed = true;
939 break;
940 }
941 /* Get the 16 byte MD5 hash of salt+passwd. */
942 if (!pdb_gethexpwd(&history_string[(i*64)+32],
943 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
944 PW_HISTORY_SALT_LEN])) {
945 hex_failed = True;
946 break;
947 }
948 }
949 if (hex_failed) {
950 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
951 username));
952 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
953 }
954 }
955 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
956 goto fn_exit;
957 }
958 }
959
960 temp = smbldap_talloc_single_attribute(
961 ldap_state->smbldap_state->ldap_struct,
962 entry,
963 get_userattr_key2string(ldap_state->schema_ver,
964 LDAP_ATTR_ACB_INFO),
965 ctx);
966 if (temp) {
967 acct_ctrl = pdb_decode_acct_ctrl(temp);
968
969 if (acct_ctrl == 0) {
970 acct_ctrl |= ACB_NORMAL;
971 }
972
973 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
974 } else {
975 acct_ctrl |= ACB_NORMAL;
976 }
977
978 pdb_set_hours_len(sampass, hours_len, PDB_SET);
979 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
980
981 temp = smbldap_talloc_single_attribute(
982 ldap_state->smbldap_state->ldap_struct,
983 entry,
984 get_userattr_key2string(ldap_state->schema_ver,
985 LDAP_ATTR_BAD_PASSWORD_COUNT),
986 ctx);
987 if (temp) {
988 bad_password_count = (uint32) atol(temp);
989 pdb_set_bad_password_count(sampass,
990 bad_password_count, PDB_SET);
991 }
992
993 temp = smbldap_talloc_single_attribute(
994 ldap_state->smbldap_state->ldap_struct,
995 entry,
996 get_userattr_key2string(ldap_state->schema_ver,
997 LDAP_ATTR_BAD_PASSWORD_TIME),
998 ctx);
999 if (temp) {
1000 bad_password_time = (time_t) atol(temp);
1001 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1002 }
1003
1004
1005 temp = smbldap_talloc_single_attribute(
1006 ldap_state->smbldap_state->ldap_struct,
1007 entry,
1008 get_userattr_key2string(ldap_state->schema_ver,
1009 LDAP_ATTR_LOGON_COUNT),
1010 ctx);
1011 if (temp) {
1012 logon_count = (uint32) atol(temp);
1013 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1014 }
1015
1016 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1017
1018 temp = smbldap_talloc_single_attribute(
1019 ldap_state->smbldap_state->ldap_struct,
1020 entry,
1021 get_userattr_key2string(ldap_state->schema_ver,
1022 LDAP_ATTR_LOGON_HOURS),
1023 ctx);
1024 if (temp) {
1025 pdb_gethexhours(temp, hours);
1026 memset((char *)temp, '\0', strlen(temp) +1);
1027 pdb_set_hours(sampass, hours, PDB_SET);
1028 ZERO_STRUCT(hours);
1029 }
1030
1031 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1032 struct passwd unix_pw;
1033 bool have_uid = false;
1034 bool have_gid = false;
1035 DOM_SID mapped_gsid;
1036 const DOM_SID *primary_gsid;
1037
1038 ZERO_STRUCT(unix_pw);
1039
1040 unix_pw.pw_name = username;
1041 unix_pw.pw_passwd = discard_const_p(char, "x");
1042
1043 temp = smbldap_talloc_single_attribute(
1044 priv2ld(ldap_state),
1045 entry,
1046 "uidNumber",
1047 ctx);
1048 if (temp) {
1049 /* We've got a uid, feed the cache */
1050 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1051 have_uid = true;
1052 }
1053 temp = smbldap_talloc_single_attribute(
1054 priv2ld(ldap_state),
1055 entry,
1056 "gidNumber",
1057 ctx);
1058 if (temp) {
1059 /* We've got a uid, feed the cache */
1060 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1061 have_gid = true;
1062 }
1063 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1064 priv2ld(ldap_state),
1065 entry,
1066 "gecos",
1067 ctx);
1068 if (unix_pw.pw_gecos) {
1069 unix_pw.pw_gecos = fullname;
1070 }
1071 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1072 priv2ld(ldap_state),
1073 entry,
1074 "homeDirectory",
1075 ctx);
1076 if (unix_pw.pw_dir) {
1077 unix_pw.pw_dir = discard_const_p(char, "");
1078 }
1079 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1080 priv2ld(ldap_state),
1081 entry,
1082 "loginShell",
1083 ctx);
1084 if (unix_pw.pw_shell) {
1085 unix_pw.pw_shell = discard_const_p(char, "");
1086 }
1087
1088 if (have_uid && have_gid) {
1089 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1090 } else {
1091 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1092 }
1093
1094 if (sampass->unix_pw == NULL) {
1095 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1096 pdb_get_username(sampass)));
1097 goto fn_exit;
1098 }
1099
1100 store_uid_sid_cache(pdb_get_user_sid(sampass),
1101 sampass->unix_pw->pw_uid);
1102 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1103 sampass->unix_pw->pw_uid);
1104
1105 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1106 primary_gsid = pdb_get_group_sid(sampass);
1107 if (primary_gsid && sid_equal(primary_gsid, &mapped_gsid)) {
1108 store_gid_sid_cache(primary_gsid,
1109 sampass->unix_pw->pw_gid);
1110 idmap_cache_set_sid2uid(primary_gsid,
1111 sampass->unix_pw->pw_gid);
1112 }
1113 }
1114
1115 /* check the timestamp of the cache vs ldap entry */
1116 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1117 entry))) {
1118 ret = true;
1119 goto fn_exit;
1120 }
1121
1122 /* see if we have newer updates */
1123 if (!(cache_entry = login_cache_read(sampass))) {
1124 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1125 (unsigned int)pdb_get_bad_password_count(sampass),
1126 (unsigned int)pdb_get_bad_password_time(sampass)));
1127 ret = true;
1128 goto fn_exit;
1129 }
1130
1131 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1132 (unsigned int)ldap_entry_time,
1133 (unsigned int)cache_entry->entry_timestamp,
1134 (unsigned int)cache_entry->bad_password_time));
1135
1136 if (ldap_entry_time > cache_entry->entry_timestamp) {
1137 /* cache is older than directory , so
1138 we need to delete the entry but allow the
1139 fields to be written out */
1140 login_cache_delentry(sampass);
1141 } else {
1142 /* read cache in */
1143 pdb_set_acct_ctrl(sampass,
1144 pdb_get_acct_ctrl(sampass) |
1145 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1146 PDB_SET);
1147 pdb_set_bad_password_count(sampass,
1148 cache_entry->bad_password_count,
1149 PDB_SET);
1150 pdb_set_bad_password_time(sampass,
1151 cache_entry->bad_password_time,
1152 PDB_SET);
1153 }
1154
1155 ret = true;
1156
1157 fn_exit:
1158
1159 TALLOC_FREE(ctx);
1160 SAFE_FREE(cache_entry);
1161 return ret;
1162 }
1163
1164 /**********************************************************************
1165 Initialize the ldap db from a struct samu. Called on update.
1166 (Based on init_buffer_from_sam in pdb_tdb.c)
1167 *********************************************************************/
1168
1169 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1170 LDAPMessage *existing,
1171 LDAPMod *** mods, struct samu * sampass,
1172 bool (*need_update)(const struct samu *,
1173 enum pdb_elements))
1174 {
1175 char *temp = NULL;
1176 uint32 rid;
1177
1178 if (mods == NULL || sampass == NULL) {
1179 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1180 return False;
1181 }
1182
1183 *mods = NULL;
1184
1185 /*
1186 * took out adding "objectclass: sambaAccount"
1187 * do this on a per-mod basis
1188 */
1189 if (need_update(sampass, PDB_USERNAME)) {
1190 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1191 "uid", pdb_get_username(sampass));
1192 if (ldap_state->is_nds_ldap) {
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 "cn", pdb_get_username(sampass));
1195 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1196 "sn", pdb_get_username(sampass));
1197 }
1198 }
1199
1200 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1201
1202 /* only update the RID if we actually need to */
1203 if (need_update(sampass, PDB_USERSID)) {
1204 fstring sid_string;
1205 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1206
1207 switch ( ldap_state->schema_ver ) {
1208 case SCHEMAVER_SAMBAACCOUNT:
1209 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1210 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1211 sid_string_dbg(user_sid),
1212 sid_string_dbg(
1213 &ldap_state->domain_sid)));
1214 return False;
1215 }
1216 if (asprintf(&temp, "%i", rid) < 0) {
1217 return false;
1218 }
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1221 temp);
1222 SAFE_FREE(temp);
1223 break;
1224
1225 case SCHEMAVER_SAMBASAMACCOUNT:
1226 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1227 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1228 sid_to_fstring(sid_string, user_sid));
1229 break;
1230
1231 default:
1232 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1233 break;
1234 }
1235 }
1236
1237 /* we don't need to store the primary group RID - so leaving it
1238 'free' to hang off the unix primary group makes life easier */
1239
1240 if (need_update(sampass, PDB_GROUPSID)) {
1241 fstring sid_string;
1242 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1243
1244 switch ( ldap_state->schema_ver ) {
1245 case SCHEMAVER_SAMBAACCOUNT:
1246 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1247 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1248 sid_string_dbg(group_sid),
1249 sid_string_dbg(
1250 &ldap_state->domain_sid)));
1251 return False;
1252 }
1253
1254 if (asprintf(&temp, "%i", rid) < 0) {
1255 return false;
1256 }
1257 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver,
1259 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1260 SAFE_FREE(temp);
1261 break;
1262
1263 case SCHEMAVER_SAMBASAMACCOUNT:
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver,
1266 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1267 break;
1268
1269 default:
1270 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1271 break;
1272 }
1273
1274 }
1275
1276 /* displayName, cn, and gecos should all be the same
1277 * most easily accomplished by giving them the same OID
1278 * gecos isn't set here b/c it should be handled by the
1279 * add-user script
1280 * We change displayName only and fall back to cn if
1281 * it does not exist.
1282 */
1283
1284 if (need_update(sampass, PDB_FULLNAME))
1285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1287 pdb_get_fullname(sampass));
1288
1289 if (need_update(sampass, PDB_ACCTDESC))
1290 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1292 pdb_get_acct_desc(sampass));
1293
1294 if (need_update(sampass, PDB_WORKSTATIONS))
1295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1297 pdb_get_workstations(sampass));
1298
1299 if (need_update(sampass, PDB_MUNGEDDIAL))
1300 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1302 pdb_get_munged_dial(sampass));
1303
1304 if (need_update(sampass, PDB_SMBHOME))
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1307 pdb_get_homedir(sampass));
1308
1309 if (need_update(sampass, PDB_DRIVE))
1310 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1311 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1312 pdb_get_dir_drive(sampass));
1313
1314 if (need_update(sampass, PDB_LOGONSCRIPT))
1315 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1316 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1317 pdb_get_logon_script(sampass));
1318
1319 if (need_update(sampass, PDB_PROFILE))
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1322 pdb_get_profile_path(sampass));
1323
1324 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1325 return false;
1326 }
1327 if (need_update(sampass, PDB_LOGONTIME))
1328 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1329 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1330 SAFE_FREE(temp);
1331
1332 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1333 return false;
1334 }
1335 if (need_update(sampass, PDB_LOGOFFTIME))
1336 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1337 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1338 SAFE_FREE(temp);
1339
1340 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1341 return false;
1342 }
1343 if (need_update(sampass, PDB_KICKOFFTIME))
1344 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1345 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1346 SAFE_FREE(temp);
1347
1348 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1349 return false;
1350 }
1351 if (need_update(sampass, PDB_CANCHANGETIME))
1352 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1353 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1354 SAFE_FREE(temp);
1355
1356 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1357 return false;
1358 }
1359 if (need_update(sampass, PDB_MUSTCHANGETIME))
1360 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1361 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1362 SAFE_FREE(temp);
1363
1364 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1365 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1366
1367 if (need_update(sampass, PDB_LMPASSWD)) {
1368 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1369 if (lm_pw) {
1370 char pwstr[34];
1371 pdb_sethexpwd(pwstr, lm_pw,
1372 pdb_get_acct_ctrl(sampass));
1373 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1374 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1375 pwstr);
1376 } else {
1377 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1378 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1379 NULL);
1380 }
1381 }
1382 if (need_update(sampass, PDB_NTPASSWD)) {
1383 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1384 if (nt_pw) {
1385 char pwstr[34];
1386 pdb_sethexpwd(pwstr, nt_pw,
1387 pdb_get_acct_ctrl(sampass));
1388 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1389 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1390 pwstr);
1391 } else {
1392 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1393 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1394 NULL);
1395 }
1396 }
1397
1398 if (need_update(sampass, PDB_PWHISTORY)) {
1399 char *pwstr = NULL;
1400 uint32 pwHistLen = 0;
1401 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1402
1403 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1404 if (!pwstr) {
1405 return false;
1406 }
1407 if (pwHistLen == 0) {
1408 /* Remove any password history from the LDAP store. */
1409 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1410 pwstr[64] = '\0';
1411 } else {
1412 int i;
1413 uint32 currHistLen = 0;
1414 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1415 if (pwhist != NULL) {
1416 /* We can only store (1024-1/64 password history entries. */
1417 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1418 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1419 /* Store the salt. */
1420 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1421 /* Followed by the md5 hash of salt + md4 hash */
1422 pdb_sethexpwd(&pwstr[(i*64)+32],
1423 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1424 DEBUG(100, ("pwstr=%s\n", pwstr));
1425 }
1426 }
1427 }
1428 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1429 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1430 pwstr);
1431 SAFE_FREE(pwstr);
1432 }
1433
1434 if (need_update(sampass, PDB_PASSLASTSET)) {
1435 if (asprintf(&temp, "%li",
1436 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1437 return false;
1438 }
1439 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1440 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1441 temp);
1442 SAFE_FREE(temp);
1443 }
1444 }
1445
1446 if (need_update(sampass, PDB_HOURS)) {
1447 const uint8 *hours = pdb_get_hours(sampass);
1448 if (hours) {
1449 char hourstr[44];
1450 pdb_sethexhours(hourstr, hours);
1451 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1452 existing,
1453 mods,
1454 get_userattr_key2string(ldap_state->schema_ver,
1455 LDAP_ATTR_LOGON_HOURS),
1456 hourstr);
1457 }
1458 }
1459
1460 if (need_update(sampass, PDB_ACCTCTRL))
1461 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1462 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1463 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1464
1465 /* password lockout cache:
1466 - If we are now autolocking or clearing, we write to ldap
1467 - If we are clearing, we delete the cache entry
1468 - If the count is > 0, we update the cache
1469
1470 This even means when autolocking, we cache, just in case the
1471 update doesn't work, and we have to cache the autolock flag */
1472
1473 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1474 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1475 uint16 badcount = pdb_get_bad_password_count(sampass);
1476 time_t badtime = pdb_get_bad_password_time(sampass);
1477 uint32 pol;
1478 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1479
1480 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1481 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1482
1483 if ((badcount >= pol) || (badcount == 0)) {
1484 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1485 (unsigned int)badcount, (unsigned int)badtime));
1486 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1487 return false;
1488 }
1489 smbldap_make_mod(
1490 ldap_state->smbldap_state->ldap_struct,
1491 existing, mods,
1492 get_userattr_key2string(
1493 ldap_state->schema_ver,
1494 LDAP_ATTR_BAD_PASSWORD_COUNT),
1495 temp);
1496 SAFE_FREE(temp);
1497
1498 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1499 return false;
1500 }
1501 smbldap_make_mod(
1502 ldap_state->smbldap_state->ldap_struct,
1503 existing, mods,
1504 get_userattr_key2string(
1505 ldap_state->schema_ver,
1506 LDAP_ATTR_BAD_PASSWORD_TIME),
1507 temp);
1508 SAFE_FREE(temp);
1509 }
1510 if (badcount == 0) {
1511 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1512 login_cache_delentry(sampass);
1513 } else {
1514 LOGIN_CACHE cache_entry;
1515
1516 cache_entry.entry_timestamp = time(NULL);
1517 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1518 cache_entry.bad_password_count = badcount;
1519 cache_entry.bad_password_time = badtime;
1520
1521 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1522 login_cache_write(sampass, cache_entry);
1523 }
1524 }
1525
1526 return True;
1527 }
1528
1529 /**********************************************************************
1530 End enumeration of the LDAP password list.
1531 *********************************************************************/
1532
1533 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1534 {
1535 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1536 if (ldap_state->result) {
1537 ldap_msgfree(ldap_state->result);
1538 ldap_state->result = NULL;
1539 }
1540 }
1541
1542 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1543 const char *new_attr)
1544 {
1545 int i;
1546
1547 if (new_attr == NULL) {
1548 return;
1549 }
1550
1551 for (i=0; (*attr_list)[i] != NULL; i++) {
1552 ;
1553 }
1554
1555 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1556 const char *, i+2);
1557 SMB_ASSERT((*attr_list) != NULL);
1558 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1559 (*attr_list)[i+1] = NULL;
1560 }
1561
1562 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1563 const char ***attr_list)
1564 {
1565 append_attr(mem_ctx, attr_list, "uidNumber");
1566 append_attr(mem_ctx, attr_list, "gidNumber");
1567 append_attr(mem_ctx, attr_list, "homeDirectory");
1568 append_attr(mem_ctx, attr_list, "loginShell");
1569 append_attr(mem_ctx, attr_list, "gecos");
1570 }
1571
1572 /**********************************************************************
1573 Get struct samu entry from LDAP by username.
1574 *********************************************************************/
1575
1576 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1577 {
1578 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1579 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1580 LDAPMessage *result = NULL;
1581 LDAPMessage *entry = NULL;
1582 int count;
1583 const char ** attr_list;
1584 int rc;
1585
1586 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1587 append_attr(user, &attr_list,
1588 get_userattr_key2string(ldap_state->schema_ver,
1589 LDAP_ATTR_MOD_TIMESTAMP));
1590 ldapsam_add_unix_attributes(user, &attr_list);
1591 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1592 attr_list);
1593 TALLOC_FREE( attr_list );
1594
1595 if ( rc != LDAP_SUCCESS )
1596 return NT_STATUS_NO_SUCH_USER;
1597
1598 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1599
1600 if (count < 1) {
1601 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1602 ldap_msgfree(result);
1603 return NT_STATUS_NO_SUCH_USER;
1604 } else if (count > 1) {
1605 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1606 ldap_msgfree(result);
1607 return NT_STATUS_NO_SUCH_USER;
1608 }
1609
1610 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1611 if (entry) {
1612 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1613 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 }
1617 pdb_set_backend_private_data(user, result, NULL,
1618 my_methods, PDB_CHANGED);
1619 talloc_autofree_ldapmsg(user, result);
1620 ret = NT_STATUS_OK;
1621 } else {
1622 ldap_msgfree(result);
1623 }
1624 return ret;
1625 }
1626
1627 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1628 const DOM_SID *sid, LDAPMessage **result)
1629 {
1630 int rc = -1;
1631 const char ** attr_list;
1632 uint32 rid;
1633
1634 switch ( ldap_state->schema_ver ) {
1635 case SCHEMAVER_SAMBASAMACCOUNT: {
1636 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1637 if (tmp_ctx == NULL) {
1638 return LDAP_NO_MEMORY;
1639 }
1640
1641 attr_list = get_userattr_list(tmp_ctx,
1642 ldap_state->schema_ver);
1643 append_attr(tmp_ctx, &attr_list,
1644 get_userattr_key2string(
1645 ldap_state->schema_ver,
1646 LDAP_ATTR_MOD_TIMESTAMP));
1647 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1648 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1649 result, attr_list);
1650 TALLOC_FREE(tmp_ctx);
1651
1652 if ( rc != LDAP_SUCCESS )
1653 return rc;
1654 break;
1655 }
1656
1657 case SCHEMAVER_SAMBAACCOUNT:
1658 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1659 return rc;
1660 }
1661
1662 attr_list = get_userattr_list(NULL,
1663 ldap_state->schema_ver);
1664 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1665 TALLOC_FREE( attr_list );
1666
1667 if ( rc != LDAP_SUCCESS )
1668 return rc;
1669 break;
1670 }
1671 return rc;
1672 }
1673
1674 /**********************************************************************
1675 Get struct samu entry from LDAP by SID.
1676 *********************************************************************/
1677
1678 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1679 {
1680 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1681 LDAPMessage *result = NULL;
1682 LDAPMessage *entry = NULL;
1683 int count;
1684 int rc;
1685
1686 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1687 sid, &result);
1688 if (rc != LDAP_SUCCESS)
1689 return NT_STATUS_NO_SUCH_USER;
1690
1691 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1692
1693 if (count < 1) {
1694 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1695 "count=%d\n", sid_string_dbg(sid), count));
1696 ldap_msgfree(result);
1697 return NT_STATUS_NO_SUCH_USER;
1698 } else if (count > 1) {
1699 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1700 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1701 count));
1702 ldap_msgfree(result);
1703 return NT_STATUS_NO_SUCH_USER;
1704 }
1705
1706 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1707 if (!entry) {
1708 ldap_msgfree(result);
1709 return NT_STATUS_NO_SUCH_USER;
1710 }
1711
1712 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1713 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1714 ldap_msgfree(result);
1715 return NT_STATUS_NO_SUCH_USER;
1716 }
1717
1718 pdb_set_backend_private_data(user, result, NULL,
1719 my_methods, PDB_CHANGED);
1720 talloc_autofree_ldapmsg(user, result);
1721 return NT_STATUS_OK;
1722 }
1723
1724 /********************************************************************
1725 Do the actual modification - also change a plaintext passord if
1726 it it set.
1727 **********************************************************************/
1728
1729 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1730 struct samu *newpwd, char *dn,
1731 LDAPMod **mods, int ldap_op,
1732 bool (*need_update)(const struct samu *, enum pdb_elements))
1733 {
1734 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1735 int rc;
1736
1737 if (!newpwd || !dn) {
1738 return NT_STATUS_INVALID_PARAMETER;
1739 }
1740
1741 if (!mods) {
1742 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1743 /* may be password change below however */
1744 } else {
1745 switch(ldap_op) {
1746 case LDAP_MOD_ADD:
1747 if (ldap_state->is_nds_ldap) {
1748 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1749 "objectclass",
1750 "inetOrgPerson");
1751 } else {
1752 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1753 "objectclass",
1754 LDAP_OBJ_ACCOUNT);
1755 }
1756 rc = smbldap_add(ldap_state->smbldap_state,
1757 dn, mods);
1758 break;
1759 case LDAP_MOD_REPLACE:
1760 rc = smbldap_modify(ldap_state->smbldap_state,
1761 dn ,mods);
1762 break;
1763 default:
1764 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1765 ldap_op));
1766 return NT_STATUS_INVALID_PARAMETER;
1767 }
1768
1769 if (rc!=LDAP_SUCCESS) {
1770 return NT_STATUS_UNSUCCESSFUL;
1771 }
1772 }
1773
1774 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1775 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1776 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1777 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1778 BerElement *ber;
1779 struct berval *bv;
1780 char *retoid = NULL;
1781 struct berval *retdata = NULL;
1782 char *utf8_password;
1783 char *utf8_dn;
1784 size_t converted_size;
1785 int ret;
1786
1787 if (!ldap_state->is_nds_ldap) {
1788
1789 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1790 LDAP_EXOP_MODIFY_PASSWD)) {
1791 DEBUG(2, ("ldap password change requested, but LDAP "
1792 "server does not support it -- ignoring\n"));
1793 return NT_STATUS_OK;
1794 }
1795 }
1796
1797 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1798 pdb_get_plaintext_passwd(newpwd),
1799 &converted_size))
1800 {
1801 return NT_STATUS_NO_MEMORY;
1802 }
1803
1804 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1805 TALLOC_FREE(utf8_password);
1806 return NT_STATUS_NO_MEMORY;
1807 }
1808
1809 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1810 DEBUG(0,("ber_alloc_t returns NULL\n"));
1811 TALLOC_FREE(utf8_password);
1812 TALLOC_FREE(utf8_dn);
1813 return NT_STATUS_UNSUCCESSFUL;
1814 }
1815
1816 if ((ber_printf (ber, "{") < 0) ||
1817 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1818 utf8_dn) < 0)) {
1819 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1820 "value <0\n"));
1821 ber_free(ber,1);
1822 TALLOC_FREE(utf8_dn);
1823 TALLOC_FREE(utf8_password);
1824 return NT_STATUS_UNSUCCESSFUL;
1825 }
1826
1827 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1828 ret = ber_printf(ber, "ts}",
1829 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1830 utf8_password);
1831 } else {
1832 ret = ber_printf(ber, "}");
1833 }
1834
1835 if (ret < 0) {
1836 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1837 "value <0\n"));
1838 ber_free(ber,1);
1839 TALLOC_FREE(utf8_dn);
1840 TALLOC_FREE(utf8_password);
1841 return NT_STATUS_UNSUCCESSFUL;
1842 }
1843
1844 if ((rc = ber_flatten (ber, &bv))<0) {
1845 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1846 ber_free(ber,1);
1847 TALLOC_FREE(utf8_dn);
1848 TALLOC_FREE(utf8_password);
1849 return NT_STATUS_UNSUCCESSFUL;
1850 }
1851
1852 TALLOC_FREE(utf8_dn);
1853 TALLOC_FREE(utf8_password);
1854 ber_free(ber, 1);
1855
1856 if (!ldap_state->is_nds_ldap) {
1857 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1858 LDAP_EXOP_MODIFY_PASSWD,
1859 bv, NULL, NULL, &retoid,
1860 &retdata);
1861 } else {
1862 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1863 pdb_get_plaintext_passwd(newpwd));
1864 }
1865 if (rc != LDAP_SUCCESS) {
1866 char *ld_error = NULL;
1867
1868 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1869 DEBUG(3, ("Could not set userPassword "
1870 "attribute due to an objectClass "
1871 "violation -- ignoring\n"));
1872 ber_bvfree(bv);
1873 return NT_STATUS_OK;
1874 }
1875
1876 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1877 &ld_error);
1878 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1879 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1880 SAFE_FREE(ld_error);
1881 ber_bvfree(bv);
1882 #if defined(LDAP_CONSTRAINT_VIOLATION)
1883 if (rc == LDAP_CONSTRAINT_VIOLATION)
1884 return NT_STATUS_PASSWORD_RESTRICTION;
1885 #endif
1886 return NT_STATUS_UNSUCCESSFUL;
1887 } else {
1888 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1889 #ifdef DEBUG_PASSWORD
1890 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1891 #endif
1892 if (retdata)
1893 ber_bvfree(retdata);
1894 if (retoid)
1895 ldap_memfree(retoid);
1896 }
1897 ber_bvfree(bv);
1898 }
1899 return NT_STATUS_OK;
1900 }
1901
1902 /**********************************************************************
1903 Delete entry from LDAP for username.
1904 *********************************************************************/
1905
1906 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1907 struct samu * sam_acct)
1908 {
1909 struct ldapsam_privates *priv =
1910 (struct ldapsam_privates *)my_methods->private_data;
1911 const char *sname;
1912 int rc;
1913 LDAPMessage *msg, *entry;
1914 NTSTATUS result = NT_STATUS_NO_MEMORY;
1915 const char **attr_list;
1916 TALLOC_CTX *mem_ctx;
1917
1918 if (!sam_acct) {
1919 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1920 return NT_STATUS_INVALID_PARAMETER;
1921 }
1922
1923 sname = pdb_get_username(sam_acct);
1924
1925 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1926 "LDAP.\n", sname));
1927
1928 mem_ctx = talloc_new(NULL);
1929 if (mem_ctx == NULL) {
1930 DEBUG(0, ("talloc_new failed\n"));
1931 goto done;
1932 }
1933
1934 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1935 if (attr_list == NULL) {
1936 goto done;
1937 }
1938
1939 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1940
1941 if ((rc != LDAP_SUCCESS) ||
1942 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1943 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1944 DEBUG(5, ("Could not find user %s\n", sname));
1945 result = NT_STATUS_NO_SUCH_USER;
1946 goto done;
1947 }
1948
1949 rc = ldapsam_delete_entry(
1950 priv, mem_ctx, entry,
1951 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1952 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1953 attr_list);
1954
1955 result = (rc == LDAP_SUCCESS) ?
1956 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1957
1958 done:
1959 TALLOC_FREE(mem_ctx);
1960 return result;
1961 }
1962
1963 /**********************************************************************
1964 Helper function to determine for update_sam_account whether
1965 we need LDAP modification.
1966 *********************************************************************/
1967
1968 static bool element_is_changed(const struct samu *sampass,
1969 enum pdb_elements element)
1970 {
1971 return IS_SAM_CHANGED(sampass, element);
1972 }
1973
1974 /**********************************************************************
1975 Update struct samu.
1976 *********************************************************************/
1977
1978 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1979 {
1980 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1981 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1982 int rc = 0;
1983 char *dn;
1984 LDAPMessage *result = NULL;
1985 LDAPMessage *entry = NULL;
1986 LDAPMod **mods = NULL;
1987 const char **attr_list;
1988
1989 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1990 if (!result) {
1991 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1992 if (pdb_get_username(newpwd) == NULL) {
1993 return NT_STATUS_INVALID_PARAMETER;
1994 }
1995 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1996 TALLOC_FREE( attr_list );
1997 if (rc != LDAP_SUCCESS) {
1998 return NT_STATUS_UNSUCCESSFUL;
1999 }
2000 pdb_set_backend_private_data(newpwd, result, NULL,
2001 my_methods, PDB_CHANGED);
2002 talloc_autofree_ldapmsg(newpwd, result);
2003 }
2004
2005 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2006 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2007 return NT_STATUS_UNSUCCESSFUL;
2008 }
2009
2010 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2011 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2012 if (!dn) {
2013 return NT_STATUS_UNSUCCESSFUL;
2014 }
2015
2016 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2017
2018 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2019 element_is_changed)) {
2020 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2021 TALLOC_FREE(dn);
2022 if (mods != NULL)
2023 ldap_mods_free(mods,True);
2024 return NT_STATUS_UNSUCCESSFUL;
2025 }
2026
2027 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2028 && (mods == NULL)) {
2029 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2030 pdb_get_username(newpwd)));
2031 TALLOC_FREE(dn);
2032 return NT_STATUS_OK;
2033 }
2034
2035 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2036
2037 if (mods != NULL) {
2038 ldap_mods_free(mods,True);
2039 }
2040
2041 TALLOC_FREE(dn);
2042
2043 /*
2044 * We need to set the backend private data to NULL here. For example
2045 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2046 * same one, and with the explicit delete / add logic for attribute
2047 * values the second time we would use the wrong "old" value which
2048 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2049 * the update.
2050 * The existing LDAPMessage is still being auto-freed by the
2051 * destructor.
2052 */
2053 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2054 PDB_CHANGED);
2055
2056 if (!NT_STATUS_IS_OK(ret)) {
2057 return ret;
2058 }
2059
2060 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2061 pdb_get_username(newpwd)));
2062 return NT_STATUS_OK;
2063 }
2064
2065 /***************************************************************************
2066 Renames a struct samu
2067 - The "rename user script" has full responsibility for changing everything
2068 ***************************************************************************/
2069
2070 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2071 TALLOC_CTX *tmp_ctx,
2072 uint32 group_rid,
2073 uint32 member_rid);
2074
2075 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2076 TALLOC_CTX *mem_ctx,
2077 struct samu *user,
2078 DOM_SID **pp_sids,
2079 gid_t **pp_gids,
2080 size_t *p_num_groups);
2081
2082 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2083 struct samu *old_acct,
2084 const char *newname)
2085 {
2086 const char *oldname;
2087 int rc;
2088 char *rename_script = NULL;
2089 fstring oldname_lower, newname_lower;
2090
2091 if (!old_acct) {
2092 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2093 return NT_STATUS_INVALID_PARAMETER;
2094 }
2095 if (!newname) {
2096 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2097 return NT_STATUS_INVALID_PARAMETER;
2098 }
2099
2100 oldname = pdb_get_username(old_acct);
2101
2102 /* rename the posix user */
2103 rename_script = SMB_STRDUP(lp_renameuser_script());
2104 if (rename_script == NULL) {
2105 return NT_STATUS_NO_MEMORY;
2106 }
2107
2108 if (!(*rename_script)) {
2109 SAFE_FREE(rename_script);
2110 return NT_STATUS_ACCESS_DENIED;
2111 }
2112
2113 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2114 oldname, newname));
2115
2116 /* We have to allow the account name to end with a '$'.
2117 Also, follow the semantics in _samr_create_user() and lower case the
2118 posix name but preserve the case in passdb */
2119
2120 fstrcpy( oldname_lower, oldname );
2121 strlower_m( oldname_lower );
2122 fstrcpy( newname_lower, newname );
2123 strlower_m( newname_lower );
2124 rename_script = realloc_string_sub2(rename_script,
2125 "%unew",
2126 newname_lower,
2127 true,
2128 true);
2129 if (!rename_script) {
2130 return NT_STATUS_NO_MEMORY;
2131 }
2132 rename_script = realloc_string_sub2(rename_script,
2133 "%uold",
2134 oldname_lower,
2135 true,
2136 true);
2137 rc = smbrun(rename_script, NULL);
2138
2139 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2140 rename_script, rc));
2141
2142 SAFE_FREE(rename_script);
2143
2144 if (rc == 0) {
2145 smb_nscd_flush_user_cache();
2146 }
2147
2148 if (rc)
2149 return NT_STATUS_UNSUCCESSFUL;
2150
2151 return NT_STATUS_OK;
2152 }
2153
2154 /**********************************************************************
2155 Helper function to determine for update_sam_account whether
2156 we need LDAP modification.
2157 *********************************************************************/
2158
2159 static bool element_is_set_or_changed(const struct samu *sampass,
2160 enum pdb_elements element)
2161 {
2162 return (IS_SAM_SET(sampass, element) ||
2163 IS_SAM_CHANGED(sampass, element));
2164 }
2165
2166 /**********************************************************************
2167 Add struct samu to LDAP.
2168 *********************************************************************/
2169
2170 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2171 {
2172 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2173 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2174 int rc;
2175 LDAPMessage *result = NULL;
2176 LDAPMessage *entry = NULL;
2177 LDAPMod **mods = NULL;
2178 int ldap_op = LDAP_MOD_REPLACE;
2179 uint32 num_result;
2180 const char **attr_list;
2181 char *escape_user = NULL;
2182 const char *username = pdb_get_username(newpwd);
2183 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2184 char *filter = NULL;
2185 char *dn = NULL;
2186 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2187 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2188
2189 if (!ctx) {
2190 return NT_STATUS_NO_MEMORY;
2191 }
2192
2193 if (!username || !*username) {
2194 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2195 status = NT_STATUS_INVALID_PARAMETER;
2196 goto fn_exit;
2197 }
2198
2199 /* free this list after the second search or in case we exit on failure */
2200 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2201
2202 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2203
2204 if (rc != LDAP_SUCCESS) {
2205 goto fn_exit;
2206 }
2207
2208 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2209 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2210 username));
2211 goto fn_exit;
2212 }
2213 ldap_msgfree(result);
2214 result = NULL;
2215
2216 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2217 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2218 sid, &result);
2219 if (rc == LDAP_SUCCESS) {
2220 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2221 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2222 "already in the base, with samba "
2223 "attributes\n", sid_string_dbg(sid)));
2224 goto fn_exit;
2225 }
2226 ldap_msgfree(result);
2227 result = NULL;
2228 }
2229 }
2230
2231 /* does the entry already exist but without a samba attributes?
2232 we need to return the samba attributes here */
2233
2234 escape_user = escape_ldap_string(talloc_tos(), username);
2235 filter = talloc_strdup(attr_list, "(uid=%u)");
2236 if (!filter) {
2237 status = NT_STATUS_NO_MEMORY;
2238 goto fn_exit;
2239 }
2240 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2241 TALLOC_FREE(escape_user);
2242 if (!filter) {
2243 status = NT_STATUS_NO_MEMORY;
2244 goto fn_exit;
2245 }
2246
2247 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2248 filter, attr_list, &result);
2249 if ( rc != LDAP_SUCCESS ) {
2250 goto fn_exit;
2251 }
2252
2253 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2254
2255 if (num_result > 1) {
2256 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2257 goto fn_exit;
2258 }
2259
2260 /* Check if we need to update an existing entry */
2261 if (num_result == 1) {
2262 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2263 ldap_op = LDAP_MOD_REPLACE;
2264 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2265 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2266 if (!dn) {
2267 status = NT_STATUS_NO_MEMORY;
2268 goto fn_exit;
2269 }
2270
2271 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2272
2273 /* There might be a SID for this account already - say an idmap entry */
2274
2275 filter = talloc_asprintf(ctx,
2276 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2277 get_userattr_key2string(ldap_state->schema_ver,
2278 LDAP_ATTR_USER_SID),
2279 sid_string_talloc(ctx, sid),
2280 LDAP_OBJ_IDMAP_ENTRY,
2281 LDAP_OBJ_SID_ENTRY);
2282 if (!filter) {
2283 status = NT_STATUS_NO_MEMORY;
2284 goto fn_exit;
2285 }
2286
2287 /* free old result before doing a new search */
2288 if (result != NULL) {
2289 ldap_msgfree(result);
2290 result = NULL;
2291 }
2292 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2293 filter, attr_list, &result);
2294
2295 if ( rc != LDAP_SUCCESS ) {
2296 goto fn_exit;
2297 }
2298
2299 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2300
2301 if (num_result > 1) {
2302 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2303 goto fn_exit;
2304 }
2305
2306 /* Check if we need to update an existing entry */
2307 if (num_result == 1) {
2308
2309 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2310 ldap_op = LDAP_MOD_REPLACE;
2311 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2312 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2313 if (!dn) {
2314 status = NT_STATUS_NO_MEMORY;
2315 goto fn_exit;
2316 }
2317 }
2318 }
2319
2320 if (num_result == 0) {
2321 char *escape_username;
2322 /* Check if we need to add an entry */
2323 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2324 ldap_op = LDAP_MOD_ADD;
2325
2326 escape_username = escape_rdn_val_string_alloc(username);
2327 if (!escape_username) {
2328 status = NT_STATUS_NO_MEMORY;
2329 goto fn_exit;
2330 }
2331
2332 if (username[strlen(username)-1] == '$') {
2333 dn = talloc_asprintf(ctx,
2334 "uid=%s,%s",
2335 escape_username,
2336 lp_ldap_machine_suffix());
2337 } else {
2338 dn = talloc_asprintf(ctx,
2339 "uid=%s,%s",
2340 escape_username,
2341 lp_ldap_user_suffix());
2342 }
2343
2344 SAFE_FREE(escape_username);
2345 if (!dn) {
2346 status = NT_STATUS_NO_MEMORY;
2347 goto fn_exit;
2348 }
2349 }
2350
2351 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2352 element_is_set_or_changed)) {
2353 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2354 if (mods != NULL) {
2355 ldap_mods_free(mods, true);
2356 }
2357 goto fn_exit;
2358 }
2359
2360 if (mods == NULL) {
2361 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2362 goto fn_exit;
2363 }
2364 switch ( ldap_state->schema_ver ) {
2365 case SCHEMAVER_SAMBAACCOUNT:
2366 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2367 break;
2368 case SCHEMAVER_SAMBASAMACCOUNT:
2369 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2370 break;
2371 default:
2372 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2373 break;
2374 }
2375
2376 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2377 if (!NT_STATUS_IS_OK(ret)) {
2378 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2379 pdb_get_username(newpwd),dn));
2380 ldap_mods_free(mods, true);
2381 goto fn_exit;
2382 }
2383
2384 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2385 ldap_mods_free(mods, true);
2386
2387 status = NT_STATUS_OK;
2388
2389 fn_exit:
2390
2391 TALLOC_FREE(ctx);
2392 if (result) {
2393 ldap_msgfree(result);
2394 }
2395 return status;
2396 }
2397
2398 /**********************************************************************
2399 *********************************************************************/
2400
2401 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2402 const char *filter,
2403 LDAPMessage ** result)
2404 {
2405 int scope = LDAP_SCOPE_SUBTREE;
2406 int rc;
2407 const char **attr_list;
2408
2409 attr_list = get_attr_list(NULL, groupmap_attr_list);
2410 rc = smbldap_search(ldap_state->smbldap_state,
2411 lp_ldap_suffix (), scope,
2412 filter, attr_list, 0, result);
2413 TALLOC_FREE(attr_list);
2414
2415 return rc;
2416 }
2417
2418 /**********************************************************************
2419 *********************************************************************/
2420
2421 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2422 GROUP_MAP *map, LDAPMessage *entry)
2423 {
2424 char *temp = NULL;
2425 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2426
2427 if (ldap_state == NULL || map == NULL || entry == NULL ||
2428 ldap_state->smbldap_state->ldap_struct == NULL) {
2429 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2430 TALLOC_FREE(ctx);
2431 return false;
2432 }
2433
2434 temp = smbldap_talloc_single_attribute(
2435 ldap_state->smbldap_state->ldap_struct,
2436 entry,
2437 get_attr_key2string(groupmap_attr_list,
2438 LDAP_ATTR_GIDNUMBER),
2439 ctx);
2440 if (!temp) {
2441 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2442 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2443 TALLOC_FREE(ctx);
2444 return false;
2445 }
2446 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2447
2448 map->gid = (gid_t)atol(temp);
2449
2450 TALLOC_FREE(temp);
2451 temp = smbldap_talloc_single_attribute(
2452 ldap_state->smbldap_state->ldap_struct,
2453 entry,
2454 get_attr_key2string(groupmap_attr_list,
2455 LDAP_ATTR_GROUP_SID),
2456 ctx);
2457 if (!temp) {
2458 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2459 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2460 TALLOC_FREE(ctx);
2461 return false;
2462 }
2463
2464 if (!string_to_sid(&map->sid, temp)) {
2465 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2466 TALLOC_FREE(ctx);
2467 return false;
2468 }
2469
2470 TALLOC_FREE(temp);
2471 temp = smbldap_talloc_single_attribute(
2472 ldap_state->smbldap_state->ldap_struct,
2473 entry,
2474 get_attr_key2string(groupmap_attr_list,
2475 LDAP_ATTR_GROUP_TYPE),
2476 ctx);
2477 if (!temp) {
2478 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2479 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2480 TALLOC_FREE(ctx);
2481 return false;
2482 }
2483 map->sid_name_use = (enum lsa_SidType)atol(temp);
2484
2485 if ((map->sid_name_use < SID_NAME_USER) ||
2486 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2487 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2488 TALLOC_FREE(ctx);
2489 return false;
2490 }
2491
2492 TALLOC_FREE(temp);
2493 temp = smbldap_talloc_single_attribute(
2494 ldap_state->smbldap_state->ldap_struct,
2495 entry,
2496 get_attr_key2string(groupmap_attr_list,
2497 LDAP_ATTR_DISPLAY_NAME),
2498 ctx);
2499 if (!temp) {
2500 temp = smbldap_talloc_single_attribute(
2501 ldap_state->smbldap_state->ldap_struct,
2502 entry,
2503 get_attr_key2string(groupmap_attr_list,
2504 LDAP_ATTR_CN),
2505 ctx);
2506 if (!temp) {
2507 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2508 for gidNumber(%lu)\n",(unsigned long)map->gid));
2509 TALLOC_FREE(ctx);
2510 return false;
2511 }
2512 }
2513 fstrcpy(map->nt_name, temp);
2514
2515 TALLOC_FREE(temp);
2516 temp = smbldap_talloc_single_attribute(
2517 ldap_state->smbldap_state->ldap_struct,
2518 entry,
2519 get_attr_key2string(groupmap_attr_list,
2520 LDAP_ATTR_DESC),
2521 ctx);
2522 if (!temp) {
2523 temp = talloc_strdup(ctx, "");
2524 if (!temp) {
2525 TALLOC_FREE(ctx);
2526 return false;
2527 }
2528 }
2529 fstrcpy(map->comment, temp);
2530
2531 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2532 store_gid_sid_cache(&map->sid, map->gid);
2533 idmap_cache_set_sid2gid(&map->sid, map->gid);
2534 }
2535
2536 TALLOC_FREE(ctx);
2537 return true;
2538 }
2539
2540 /**********************************************************************
2541 *********************************************************************/
2542
2543 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2544 const char *filter,
2545 GROUP_MAP *map)
2546 {
2547 struct ldapsam_privates *ldap_state =
2548 (struct ldapsam_privates *)methods->private_data;
2549 LDAPMessage *result = NULL;
2550 LDAPMessage *entry = NULL;
2551 int count;
2552
2553 if (ldapsam_search_one_group(ldap_state, filter, &result)
2554 != LDAP_SUCCESS) {
2555 return NT_STATUS_NO_SUCH_GROUP;
2556 }
2557
2558 count = ldap_count_entries(priv2ld(ldap_state), result);
2559
2560 if (count < 1) {
2561 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2562 "%s\n", filter));
2563 ldap_msgfree(result);
2564 return NT_STATUS_NO_SUCH_GROUP;
2565 }
2566
2567 if (count > 1) {
2568 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2569 "count=%d\n", filter, count));
2570 ldap_msgfree(result);
2571 return NT_STATUS_NO_SUCH_GROUP;
2572 }
2573
2574 entry = ldap_first_entry(priv2ld(ldap_state), result);
2575
2576 if (!entry) {
2577 ldap_msgfree(result);
2578 return NT_STATUS_UNSUCCESSFUL;
2579 }
2580
2581 if (!init_group_from_ldap(ldap_state, map, entry)) {
2582 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2583 "group filter %s\n", filter));
2584 ldap_msgfree(result);
2585 return NT_STATUS_NO_SUCH_GROUP;
2586 }
2587
2588 ldap_msgfree(result);
2589 return NT_STATUS_OK;
2590 }
2591
2592 /**********************************************************************
2593 *********************************************************************/
2594
2595 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2596 DOM_SID sid)
2597 {
2598 char *filter = NULL;
2599 NTSTATUS status;
2600 fstring tmp;
2601
2602 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2603 LDAP_OBJ_GROUPMAP,
2604 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2605 sid_to_fstring(tmp, &sid)) < 0) {
2606 return NT_STATUS_NO_MEMORY;
2607 }
2608
2609 status = ldapsam_getgroup(methods, filter, map);
2610 SAFE_FREE(filter);
2611 return status;
2612 }
2613
2614 /**********************************************************************
2615 *********************************************************************/
2616
2617 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2618 gid_t gid)
2619 {
2620 char *filter = NULL;
2621 NTSTATUS status;
2622
2623 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2624 LDAP_OBJ_GROUPMAP,
2625 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2626 (unsigned long)gid) < 0) {
2627 return NT_STATUS_NO_MEMORY;
2628 }
2629
2630 status = ldapsam_getgroup(methods, filter, map);
2631 SAFE_FREE(filter);
2632 return status;
2633 }
2634
2635 /**********************************************************************
2636 *********************************************************************/
2637
2638 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2639 const char *name)
2640 {
2641 char *filter = NULL;
2642 char *escape_name = escape_ldap_string(talloc_tos(), name);
2643 NTSTATUS status;
2644
2645 if (!escape_name) {
2646 return NT_STATUS_NO_MEMORY;
2647 }
2648
2649 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2650 LDAP_OBJ_GROUPMAP,
2651 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2652 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2653 escape_name) < 0) {
2654 TALLOC_FREE(escape_name);
2655 return NT_STATUS_NO_MEMORY;
2656 }
2657
2658 TALLOC_FREE(escape_name);
2659 status = ldapsam_getgroup(methods, filter, map);
2660 SAFE_FREE(filter);
2661 return status;
2662 }
2663
2664 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2665 LDAPMessage *entry,
2666 const DOM_SID *domain_sid,
2667 uint32 *rid)
2668 {
2669 fstring str;
2670 DOM_SID sid;
2671
2672 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2673 str, sizeof(str)-1)) {
2674 DEBUG(10, ("Could not find sambaSID attribute\n"));
2675 return False;
2676 }
2677
2678 if (!string_to_sid(&sid, str)) {
2679 DEBUG(10, ("Could not convert string %s to sid\n", str));
2680 return False;
2681 }
2682
2683 if (sid_compare_domain(&sid, domain_sid) != 0) {
2684 DEBUG(10, ("SID %s is not in expected domain %s\n",
2685 str, sid_string_dbg(domain_sid)));
2686 return False;
2687 }
2688
2689 if (!sid_peek_rid(&sid, rid)) {
2690 DEBUG(10, ("Could not peek into RID\n"));
2691 return False;
2692 }
2693
2694 return True;
2695 }
2696
2697 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2698 TALLOC_CTX *mem_ctx,
2699 const DOM_SID *group,
2700 uint32 **pp_member_rids,
2701 size_t *p_num_members)
2702 {
2703 struct ldapsam_privates *ldap_state =
2704 (struct ldapsam_privates *)methods->private_data;
2705 struct smbldap_state *conn = ldap_state->smbldap_state;
2706 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2707 const char *sid_attrs[] = { "sambaSID", NULL };
2708 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2709 LDAPMessage *result = NULL;
2710 LDAPMessage *entry;
2711 char *filter;
2712 char **values = NULL;
2713 char **memberuid;
2714 char *gidstr;
2715 int rc, count;
2716
2717 *pp_member_rids = NULL;
2718 *p_num_members = 0;
2719
2720 filter = talloc_asprintf(mem_ctx,
2721 "(&(objectClass=%s)"
2722 "(objectClass=%s)"
2723 "(sambaSID=%s))",
2724 LDAP_OBJ_POSIXGROUP,
2725 LDAP_OBJ_GROUPMAP,
2726 sid_string_talloc(mem_ctx, group));
2727 if (filter == NULL) {
2728 ret = NT_STATUS_NO_MEMORY;
2729 goto done;
2730 }
2731
2732 rc = smbldap_search(conn, lp_ldap_suffix(),
2733 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2734 &result);
2735
2736 if (rc != LDAP_SUCCESS)
2737 goto done;
2738
2739 talloc_autofree_ldapmsg(mem_ctx, result);
2740
2741 count = ldap_count_entries(conn->ldap_struct, result);
2742
2743 if (count > 1) {
2744 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2745 sid_string_dbg(group)));
2746 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2747 goto done;
2748 }
2749
2750 if (count == 0) {
2751 ret = NT_STATUS_NO_SUCH_GROUP;
2752 goto done;
2753 }
2754
2755 entry = ldap_first_entry(conn->ldap_struct, result);
2756 if (entry == NULL)
2757 goto done;
2758
2759 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2760 if (!gidstr) {
2761 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2762 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2763 goto done;
2764 }
2765
2766 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2767
2768 if ((values != NULL) && (values[0] != NULL)) {
2769
2770 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2771 if (filter == NULL) {
2772 ret = NT_STATUS_NO_MEMORY;
2773 goto done;
2774 }
2775
2776 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2777 char *escape_memberuid;
2778
2779 escape_memberuid = escape_ldap_string(talloc_tos(),
2780 *memberuid);
2781 if (escape_memberuid == NULL) {
2782 ret = NT_STATUS_NO_MEMORY;
2783 goto done;
2784 }
2785
2786 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2787 TALLOC_FREE(escape_memberuid);
2788 if (filter == NULL) {
2789 ret = NT_STATUS_NO_MEMORY;
2790 goto done;
2791 }
2792 }
2793
2794 filter = talloc_asprintf_append_buffer(filter, "))");
2795 if (filter == NULL) {
2796 ret = NT_STATUS_NO_MEMORY;
2797 goto done;
2798 }
2799
2800 rc = smbldap_search(conn, lp_ldap_suffix(),
2801 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2802 &result);
2803
2804 if (rc != LDAP_SUCCESS)
2805 goto done;
2806
2807 count = ldap_count_entries(conn->ldap_struct, result);
2808 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2809
2810 talloc_autofree_ldapmsg(mem_ctx, result);
2811
2812 for (entry = ldap_first_entry(conn->ldap_struct, result);
2813 entry != NULL;
2814 entry = ldap_next_entry(conn->ldap_struct, entry))
2815 {
2816 char *sidstr;
2817 DOM_SID sid;
2818 uint32 rid;
2819
2820 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2821 entry, "sambaSID",
2822 mem_ctx);
2823 if (!sidstr) {
2824 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2825 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2826 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2827 goto done;
2828 }
2829
2830 if (!string_to_sid(&sid, sidstr))
2831 goto done;
2832
2833 if (!sid_check_is_in_our_domain(&sid)) {
2834 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2835 "in our domain\n"));
2836 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2837 goto done;
2838 }
2839
2840 sid_peek_rid(&sid, &rid);
2841
2842 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2843 p_num_members)) {
2844 ret = NT_STATUS_NO_MEMORY;
2845 goto done;
2846 }
2847 }
2848 }
2849
2850 filter = talloc_asprintf(mem_ctx,
2851 "(&(objectClass=%s)"
2852 "(gidNumber=%s))",
2853 LDAP_OBJ_SAMBASAMACCOUNT,
2854 gidstr);
2855
2856 rc = smbldap_search(conn, lp_ldap_suffix(),
2857 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2858 &result);
2859
2860 if (rc != LDAP_SUCCESS)
2861 goto done;
2862
2863 talloc_autofree_ldapmsg(mem_ctx, result);
2864
2865 for (entry = ldap_first_entry(conn->ldap_struct, result);
2866 entry != NULL;
2867 entry = ldap_next_entry(conn->ldap_struct, entry))
2868 {
2869 uint32 rid;
2870
2871 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2872 entry,
2873 get_global_sam_sid(),
2874 &rid)) {
2875 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2876 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2877 goto done;
2878 }
2879
2880 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2881 p_num_members)) {
2882 ret = NT_STATUS_NO_MEMORY;
2883 goto done;
2884 }
2885 }
2886
2887 ret = NT_STATUS_OK;
2888
2889 done:
2890
2891 if (values)
2892 ldap_value_free(values);
2893
2894 return ret;
2895 }
2896
2897 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2898 TALLOC_CTX *mem_ctx,
2899 struct samu *user,
2900 DOM_SID **pp_sids,
2901 gid_t **pp_gids,
2902 size_t *p_num_groups)
2903 {
2904 struct ldapsam_privates *ldap_state =
2905 (struct ldapsam_privates *)methods->private_data;
2906 struct smbldap_state *conn = ldap_state->smbldap_state;
2907 char *filter;
2908 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2909 char *escape_name;
2910 int rc, count;
2911 LDAPMessage *result = NULL;
2912 LDAPMessage *entry;
2913 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2914 size_t num_sids, num_gids;
2915 char *gidstr;
2916 gid_t primary_gid = -1;
2917
2918 *pp_sids = NULL;
2919 num_sids = 0;
2920
2921 if (pdb_get_username(user) == NULL) {
2922 return NT_STATUS_INVALID_PARAMETER;
2923 }
2924
2925 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2926 if (escape_name == NULL)
2927 return NT_STATUS_NO_MEMORY;
2928
2929 if (user->unix_pw) {
2930 primary_gid = user->unix_pw->pw_gid;
2931 } else {
2932 /* retrieve the users primary gid */
2933 filter = talloc_asprintf(mem_ctx,
2934 "(&(objectClass=%s)(uid=%s))",
2935 LDAP_OBJ_SAMBASAMACCOUNT,
2936 escape_name);
2937 if (filter == NULL) {
2938 ret = NT_STATUS_NO_MEMORY;
2939 goto done;
2940 }
2941
2942 rc = smbldap_search(conn, lp_ldap_suffix(),
2943 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2944
2945 if (rc != LDAP_SUCCESS)
2946 goto done;
2947
2948 talloc_autofree_ldapmsg(mem_ctx, result);
2949
2950 count = ldap_count_entries(priv2ld(ldap_state), result);
2951
2952 switch (count) {
2953 case 0:
2954 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2955 ret = NT_STATUS_NO_SUCH_USER;
2956 goto done;
2957 case 1:
2958 entry = ldap_first_entry(priv2ld(ldap_state), result);
2959
2960 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2961 if (!gidstr) {
2962 DEBUG (1, ("Unable to find the member's gid!\n"));
2963 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2964 goto done;
2965 }
2966 primary_gid = strtoul(gidstr, NULL, 10);
2967 break;
2968 default:
2969 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2970 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2971 goto done;
2972 }
2973 }
2974
2975 filter = talloc_asprintf(mem_ctx,
2976 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2977 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2978 if (filter == NULL) {
2979 ret = NT_STATUS_NO_MEMORY;
2980 goto done;
2981 }
2982
2983 rc = smbldap_search(conn, lp_ldap_suffix(),
2984 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2985
2986 if (rc != LDAP_SUCCESS)
2987 goto done;
2988
2989 talloc_autofree_ldapmsg(mem_ctx, result);
2990
2991 num_gids = 0;
2992 *pp_gids = NULL;
2993
2994 num_sids = 0;
2995 *pp_sids = NULL;
2996
2997 /* We need to add the primary group as the first gid/sid */
2998
2999 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
3000 ret = NT_STATUS_NO_MEMORY;
3001 goto done;
3002 }
3003
3004 /* This sid will be replaced later */
3005
3006 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3007 &num_sids);
3008 if (!NT_STATUS_IS_OK(ret)) {
3009 goto done;
3010 }
3011
3012 for (entry = ldap_first_entry(conn->ldap_struct, result);
3013 entry != NULL;
3014 entry = ldap_next_entry(conn->ldap_struct, entry))
3015 {
3016 fstring str;
3017 DOM_SID sid;
3018 gid_t gid;
3019 char *end;
3020
3021 if (!smbldap_get_single_attribute(conn->ldap_struct,
3022 entry, "sambaSID",
3023 str, sizeof(str)-1))
3024 continue;
3025
3026 if (!string_to_sid(&sid, str))
3027 goto done;
3028
3029 if (!smbldap_get_single_attribute(conn->ldap_struct,
3030 entry, "gidNumber",
3031 str, sizeof(str)-1))
3032 continue;
3033
3034 gid = strtoul(str, &end, 10);
3035
3036 if (PTR_DIFF(end, str) != strlen(str))
3037 goto done;
3038
3039 if (gid == primary_gid) {
3040 sid_copy(&(*pp_sids)[0], &sid);
3041 } else {
3042 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3043 &num_gids)) {
3044 ret = NT_STATUS_NO_MEMORY;
3045 goto done;
3046 }
3047 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3048 &num_sids);
3049 if (!NT_STATUS_IS_OK(ret)) {
3050 goto done;
3051 }
3052 }
3053 }
3054
3055 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3056 DEBUG(3, ("primary group of [%s] not found\n",
3057 pdb_get_username(user)));
3058 goto done;
3059 }
3060
3061 *p_num_groups = num_sids;
3062
3063 ret = NT_STATUS_OK;
3064
3065 done:
3066
3067 TALLOC_FREE(escape_name);
3068 return ret;
3069 }
3070
3071 /**********************************************************************
3072 * Augment a posixGroup object with a sambaGroupMapping domgroup
3073 *********************************************************************/
3074
3075 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3076 struct ldapsam_privates *ldap_state,
3077 GROUP_MAP *map)
3078 {
3079 const char *filter, *dn;
3080 LDAPMessage *msg, *entry;
3081 LDAPMod **mods;
3082 int rc;
3083
3084 filter = talloc_asprintf(mem_ctx,
3085 "(&(objectClass=%s)(gidNumber=%u))",
3086 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3087 if (filter == NULL) {
3088 return NT_STATUS_NO_MEMORY;
3089 }
3090
3091 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3092 get_attr_list(mem_ctx, groupmap_attr_list),
3093 &msg);
3094 talloc_autofree_ldapmsg(mem_ctx, msg);
3095
3096 if ((rc != LDAP_SUCCESS) ||
3097 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3098 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3099 return NT_STATUS_NO_SUCH_GROUP;
3100 }
3101
3102 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3103 if (dn == NULL) {
3104 return NT_STATUS_NO_MEMORY;
3105 }
3106
3107 mods = NULL;
3108 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3109 LDAP_OBJ_GROUPMAP);
3110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3111 sid_string_talloc(mem_ctx, &map->sid));
3112 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3113 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3114 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3115 map->nt_name);
3116 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3117 map->comment);
3118 talloc_autofree_ldapmod(mem_ctx, mods);
3119
3120 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3121 if (rc != LDAP_SUCCESS) {
3122 return NT_STATUS_ACCESS_DENIED;
3123 }
3124
3125 return NT_STATUS_OK;
3126 }
3127
3128 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3129 GROUP_MAP *map)
3130 {
3131 struct ldapsam_privates *ldap_state =
3132 (struct ldapsam_privates *)methods->private_data;
3133 LDAPMessage *msg = NULL;
3134 LDAPMod **mods = NULL;
3135 const char *attrs[] = { NULL };
3136 char *filter;
3137
3138 char *dn;
3139 TALLOC_CTX *mem_ctx;
3140 NTSTATUS result;
3141
3142 DOM_SID sid;
3143
3144 int rc;
3145
3146 mem_ctx = talloc_new(NULL);
3147 if (mem_ctx == NULL) {
3148 DEBUG(0, ("talloc_new failed\n"));
3149 return NT_STATUS_NO_MEMORY;
3150 }
3151
3152 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3153 sid_string_talloc(mem_ctx, &map->sid));
3154 if (filter == NULL) {
3155 result = NT_STATUS_NO_MEMORY;
3156 goto done;
3157 }
3158
3159 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3160 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3161 talloc_autofree_ldapmsg(mem_ctx, msg);
3162
3163 if ((rc == LDAP_SUCCESS) &&
3164 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3165
3166 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3167 "group mapping entry\n", sid_string_dbg(&map->sid)));
3168 result = NT_STATUS_GROUP_EXISTS;
3169 goto done;
3170 }
3171
3172 switch (map->sid_name_use) {
3173
3174 case SID_NAME_DOM_GRP:
3175 /* To map a domain group we need to have a posix group
3176 to attach to. */
3177 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3178 goto done;
3179 break;
3180
3181 case SID_NAME_ALIAS:
3182 if (!sid_check_is_in_our_domain(&map->sid)
3183 && !sid_check_is_in_builtin(&map->sid) )
3184 {
3185 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3186 sid_string_dbg(&map->sid)));
3187 result = NT_STATUS_INVALID_PARAMETER;
3188 goto done;
3189 }
3190 break;
3191
3192 default:
3193 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3194 sid_type_lookup(map->sid_name_use)));
3195 result = NT_STATUS_INVALID_PARAMETER;
3196 goto done;
3197 }
3198
3199 /* Domain groups have been mapped in a separate routine, we have to
3200 * create an alias now */
3201
3202 if (map->gid == -1) {
3203 DEBUG(10, ("Refusing to map gid==-1\n"));
3204 result = NT_STATUS_INVALID_PARAMETER;
3205 goto done;
3206 }
3207
3208 if (pdb_gid_to_sid(map->gid, &sid)) {
3209 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3210 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3211 result = NT_STATUS_GROUP_EXISTS;
3212 goto done;
3213 }
3214
3215 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3216 * the best we can get out of LDAP. */
3217
3218 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3219 sid_string_talloc(mem_ctx, &map->sid),
3220 lp_ldap_group_suffix());
3221 if (dn == NULL) {
3222 result = NT_STATUS_NO_MEMORY;
3223 goto done;
3224 }
3225
3226 mods = NULL;
3227
3228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3229 LDAP_OBJ_SID_ENTRY);
3230 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3231 LDAP_OBJ_GROUPMAP);
3232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3233 sid_string_talloc(mem_ctx, &map->sid));
3234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3235 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3236 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3237 map->nt_name);
3238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3239 map->comment);
3240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3241 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3242 talloc_autofree_ldapmod(mem_ctx, mods);
3243
3244 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3245
3246 result = (rc == LDAP_SUCCESS) ?
3247 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3248
3249 done:
3250 TALLOC_FREE(mem_ctx);
3251 return result;
3252 }
3253
3254 /**********************************************************************
3255 * Update a group mapping entry. We're quite strict about what can be changed:
3256 * Only the description and displayname may be changed. It simply does not
3257 * make any sense to change the SID, gid or the type in a mapping.
3258 *********************************************************************/
3259
3260 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3261 GROUP_MAP *map)
3262 {
3263 struct ldapsam_privates *ldap_state =
3264 (struct ldapsam_privates *)methods->private_data;
3265 int rc;
3266 const char *filter, *dn;
3267 LDAPMessage *msg = NULL;
3268 LDAPMessage *entry = NULL;
3269 LDAPMod **mods = NULL;
3270 TALLOC_CTX *mem_ctx;
3271 NTSTATUS result;
3272
3273 mem_ctx = talloc_new(NULL);
3274 if (mem_ctx == NULL) {
3275 DEBUG(0, ("talloc_new failed\n"));
3276 return NT_STATUS_NO_MEMORY;
3277 }
3278
3279 /* Make 100% sure that sid, gid and type are not changed by looking up
3280 * exactly the values we're given in LDAP. */
3281
3282 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3283 "(sambaSid=%s)(gidNumber=%u)"
3284 "(sambaGroupType=%d))",
3285 LDAP_OBJ_GROUPMAP,
3286 sid_string_talloc(mem_ctx, &map->sid),
3287 (unsigned int)map->gid, map->sid_name_use);
3288 if (filter == NULL) {
3289 result = NT_STATUS_NO_MEMORY;
3290 goto done;
3291 }
3292
3293 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3294 get_attr_list(mem_ctx, groupmap_attr_list),
3295 &msg);
3296 talloc_autofree_ldapmsg(mem_ctx, msg);
3297
3298 if ((rc != LDAP_SUCCESS) ||
3299 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3300 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3301 result = NT_STATUS_NO_SUCH_GROUP;
3302 goto done;
3303 }
3304
3305 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3306
3307 if (dn == NULL) {
3308 result = NT_STATUS_NO_MEMORY;
3309 goto done;
3310 }
3311
3312 mods = NULL;
3313 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3314 map->nt_name);
3315 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3316 map->comment);
3317 talloc_autofree_ldapmod(mem_ctx, mods);
3318
3319 if (mods == NULL) {
3320 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3321 "nothing to do\n"));
3322 result = NT_STATUS_OK;
3323 goto done;
3324 }
3325
3326 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3327
3328 if (rc != LDAP_SUCCESS) {
3329 result = NT_STATUS_ACCESS_DENIED;
3330 goto done;
3331 }
3332
3333 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3334 "group %lu in LDAP\n", (unsigned long)map->gid));
3335
3336 result = NT_STATUS_OK;
3337
3338 done:
3339 TALLOC_FREE(mem_ctx);
3340 return result;
3341 }
3342
3343 /**********************************************************************
3344 *********************************************************************/
3345
3346 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3347 DOM_SID sid)
3348 {
3349 struct ldapsam_privates *priv =
3350 (struct ldapsam_privates *)methods->private_data;
3351 LDAPMessage *msg, *entry;
3352 int rc;
3353 NTSTATUS result;
3354 TALLOC_CTX *mem_ctx;
3355 char *filter;
3356
3357 mem_ctx = talloc_new(NULL);
3358 if (mem_ctx == NULL) {
3359 DEBUG(0, ("talloc_new failed\n"));
3360 return NT_STATUS_NO_MEMORY;
3361 }
3362
3363 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3364 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3365 sid_string_talloc(mem_ctx, &sid));
3366 if (filter == NULL) {
3367 result = NT_STATUS_NO_MEMORY;
3368 goto done;
3369 }
3370 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3371 get_attr_list(mem_ctx, groupmap_attr_list),
3372 &msg);
3373 talloc_autofree_ldapmsg(mem_ctx, msg);
3374
3375 if ((rc != LDAP_SUCCESS) ||
3376 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3377 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3378 result = NT_STATUS_NO_SUCH_GROUP;
3379 goto done;
3380 }
3381
3382 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3383 get_attr_list(mem_ctx,
3384 groupmap_attr_list_to_delete));
3385
3386 if ((rc == LDAP_NAMING_VIOLATION) ||
3387 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3388 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3389 const char *attrs[] = { "sambaGroupType", "description",
3390 "displayName", "sambaSIDList",
3391 NULL };
3392
3393 /* Second try. Don't delete the sambaSID attribute, this is
3394 for "old" entries that are tacked on a winbind
3395 sambaIdmapEntry. */
3396
3397 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3398 LDAP_OBJ_GROUPMAP, attrs);
3399 }
3400
3401 if ((rc == LDAP_NAMING_VIOLATION) ||
3402 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3403 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3404 const char *attrs[] = { "sambaGroupType", "description",
3405 "displayName", "sambaSIDList",
3406 "gidNumber", NULL };
3407
3408 /* Third try. This is a post-3.0.21 alias (containing only
3409 * sambaSidEntry and sambaGroupMapping classes), we also have
3410 * to delete the gidNumber attribute, only the sambaSidEntry
3411 * remains */
3412
3413 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3414 LDAP_OBJ_GROUPMAP, attrs);
3415 }
3416
3417 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3418
3419 done:
3420 TALLOC_FREE(mem_ctx);
3421 return result;
3422 }
3423
3424 /**********************************************************************
3425 *********************************************************************/
3426
3427 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3428 bool update)
3429 {
3430 struct ldapsam_privates *ldap_state =
3431 (struct ldapsam_privates *)my_methods->private_data;
3432 char *filter = NULL;
3433 int rc;
3434 const char **attr_list;
3435
3436 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3437 if (!filter) {
3438 return NT_STATUS_NO_MEMORY;
3439 }
3440 attr_list = get_attr_list( NULL, groupmap_attr_list );
3441 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3442 LDAP_SCOPE_SUBTREE, filter,
3443 attr_list, 0, &ldap_state->result);
3444 TALLOC_FREE(attr_list);
3445
3446 if (rc != LDAP_SUCCESS) {
3447 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3448 ldap_err2string(rc)));
3449 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3450 lp_ldap_suffix(), filter));
3451 ldap_msgfree(ldap_state->result);
3452 ldap_state->result = NULL;
3453 TALLOC_FREE(filter);
3454 return NT_STATUS_UNSUCCESSFUL;
3455 }
3456
3457 TALLOC_FREE(filter);
3458
3459 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3460 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3461 ldap_state->result)));
3462
3463 ldap_state->entry =
3464 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3465 ldap_state->result);
3466 ldap_state->index = 0;
3467
3468 return NT_STATUS_OK;
3469 }
3470
3471 /**********************************************************************
3472 *********************************************************************/
3473
3474 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3475 {
3476 ldapsam_endsampwent(my_methods);
3477 }
3478
3479 /**********************************************************************
3480 *********************************************************************/
3481
3482 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3483 GROUP_MAP *map)
3484 {
3485 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3486 struct ldapsam_privates *ldap_state =
3487 (struct ldapsam_privates *)my_methods->private_data;
3488 bool bret = False;
3489
3490 while (!bret) {
3491 if (!ldap_state->entry)
3492 return ret;
3493
3494 ldap_state->index++;
3495 bret = init_group_from_ldap(ldap_state, map,
3496 ldap_state->entry);
3497
3498 ldap_state->entry =
3499 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3500 ldap_state->entry);
3501 }
3502
3503 return NT_STATUS_OK;
3504 }
3505
3506 /**********************************************************************
3507 *********************************************************************/
3508
3509 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3510 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3511 GROUP_MAP **pp_rmap,
3512 size_t *p_num_entries,
3513 bool unix_only)
3514 {
3515 GROUP_MAP map;
3516 size_t entries = 0;
3517
3518 *p_num_entries = 0;
3519 *pp_rmap = NULL;
3520
3521 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3522 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3523 "passdb\n"));
3524 return NT_STATUS_ACCESS_DENIED;
3525 }
3526
3527 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3528 if (sid_name_use != SID_NAME_UNKNOWN &&
3529 sid_name_use != map.sid_name_use) {
3530 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3531 "not of the requested type\n", map.nt_name));
3532 continue;
3533 }
3534 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3535 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3536 "non mapped\n", map.nt_name));
3537 continue;
3538 }
3539
3540 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3541 if (!(*pp_rmap)) {
3542 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3543 "enlarge group map!\n"));
3544 return NT_STATUS_UNSUCCESSFUL;
3545 }
3546
3547 (*pp_rmap)[entries] = map;
3548
3549 entries += 1;
3550
3551 }
3552 ldapsam_endsamgrent(methods);
3553
3554 *p_num_entries = entries;
3555
3556 return NT_STATUS_OK;
3557 }
3558
3559 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3560 const DOM_SID *alias,
3561 const DOM_SID *member,
3562 int modop)
3563 {
3564 struct ldapsam_privates *ldap_state =
3565 (struct ldapsam_privates *)methods->private_data;
3566 char *dn = NULL;
3567 LDAPMessage *result = NULL;
3568 LDAPMessage *entry = NULL;
3569 int count;
3570 LDAPMod **mods = NULL;
3571 int rc;
3572 enum lsa_SidType type = SID_NAME_USE_NONE;
3573 fstring tmp;
3574
3575 char *filter = NULL;
3576
3577 if (sid_check_is_in_builtin(alias)) {
3578 type = SID_NAME_ALIAS;
3579 }
3580
3581 if (sid_check_is_in_our_domain(alias)) {
3582 type = SID_NAME_ALIAS;
3583 }
3584
3585 if (type == SID_NAME_USE_NONE) {
3586 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3587 sid_string_dbg(alias)));
3588 return NT_STATUS_NO_SUCH_ALIAS;
3589 }
3590
3591 if (asprintf(&filter,
3592 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3593 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3594 type) < 0) {
3595 return NT_STATUS_NO_MEMORY;
3596 }
3597
3598 if (ldapsam_search_one_group(ldap_state, filter,
3599 &result) != LDAP_SUCCESS) {
3600 SAFE_FREE(filter);
3601 return NT_STATUS_NO_SUCH_ALIAS;
3602 }
3603
3604 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3605 result);
3606
3607 if (count < 1) {
3608 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3609 ldap_msgfree(result);
3610 SAFE_FREE(filter);
3611 return NT_STATUS_NO_SUCH_ALIAS;
3612 }
3613
3614 if (count > 1) {
3615 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3616 "filter %s: count=%d\n", filter, count));
3617 ldap_msgfree(result);
3618 SAFE_FREE(filter);
3619 return NT_STATUS_NO_SUCH_ALIAS;
3620 }
3621
3622 SAFE_FREE(filter);
3623
3624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3625 result);
3626
3627 if (!entry) {
3628 ldap_msgfree(result);
3629 return NT_STATUS_UNSUCCESSFUL;
3630 }
3631
3632 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3633 if (!dn) {
3634 ldap_msgfree(result);
3635 return NT_STATUS_UNSUCCESSFUL;
3636 }
3637
3638 smbldap_set_mod(&mods, modop,
3639 get_attr_key2string(groupmap_attr_list,
3640 LDAP_ATTR_SID_LIST),
3641 sid_to_fstring(tmp, member));
3642
3643 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3644
3645 ldap_mods_free(mods, True);
3646 ldap_msgfree(result);
3647 TALLOC_FREE(dn);
3648
3649 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3650 return NT_STATUS_MEMBER_IN_ALIAS;
3651 }
3652
3653 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3654 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3655 }
3656
3657 if (rc != LDAP_SUCCESS) {
3658 return NT_STATUS_UNSUCCESSFUL;
3659 }
3660
3661 return NT_STATUS_OK;
3662 }
3663
3664 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3665 const DOM_SID *alias,
3666 const DOM_SID *member)
3667 {
3668 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3669 }
3670
3671 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3672 const DOM_SID *alias,
3673 const DOM_SID *member)
3674 {
3675 return ldapsam_modify_aliasmem(methods, alias, member,
3676 LDAP_MOD_DELETE);
3677 }
3678
3679 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3680 const DOM_SID *alias,
3681 TALLOC_CTX *mem_ctx,
3682 DOM_SID **pp_members,
3683 size_t *p_num_members)
3684 {
3685 struct ldapsam_privates *ldap_state =
3686 (struct ldapsam_privates *)methods->private_data;
3687 LDAPMessage *result = NULL;
3688 LDAPMessage *entry = NULL;
3689 int count;
3690 char **values = NULL;
3691 int i;
3692 char *filter = NULL;
3693 size_t num_members = 0;
3694 enum lsa_SidType type = SID_NAME_USE_NONE;
3695 fstring tmp;
3696
3697 *pp_members = NULL;
3698 *p_num_members = 0;
3699
3700 if (sid_check_is_in_builtin(alias)) {
3701 type = SID_NAME_ALIAS;
3702 }
3703
3704 if (sid_check_is_in_our_domain(alias)) {
3705 type = SID_NAME_ALIAS;
3706 }
3707
3708 if (type == SID_NAME_USE_NONE) {
3709 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3710 sid_string_dbg(alias)));
3711 return NT_STATUS_NO_SUCH_ALIAS;
3712 }
3713
3714 if (asprintf(&filter,
3715 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3716 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3717 type) < 0) {
3718 return NT_STATUS_NO_MEMORY;
3719 }
3720
3721 if (ldapsam_search_one_group(ldap_state, filter,
3722 &result) != LDAP_SUCCESS) {
3723 SAFE_FREE(filter);
3724 return NT_STATUS_NO_SUCH_ALIAS;
3725 }
3726
3727 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3728 result);
3729
3730 if (count < 1) {
3731 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3732 ldap_msgfree(result);
3733 SAFE_FREE(filter);
3734 return NT_STATUS_NO_SUCH_ALIAS;
3735 }
3736
3737 if (count > 1) {
3738 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3739 "filter %s: count=%d\n", filter, count));
3740 ldap_msgfree(result);
3741 SAFE_FREE(filter);
3742 return NT_STATUS_NO_SUCH_ALIAS;
3743 }
3744
3745 SAFE_FREE(filter);
3746
3747 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3748 result);
3749
3750 if (!entry) {
3751 ldap_msgfree(result);
3752 return NT_STATUS_UNSUCCESSFUL;
3753 }
3754
3755 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3756 entry,
3757 get_attr_key2string(groupmap_attr_list,
3758 LDAP_ATTR_SID_LIST));
3759
3760 if (values == NULL) {
3761 ldap_msgfree(result);
3762 return NT_STATUS_OK;
3763 }
3764
3765 count = ldap_count_values(values);
3766
3767 for (i=0; i<count; i++) {
3768 DOM_SID member;
3769 NTSTATUS status;
3770
3771 if (!string_to_sid(&member, values[i]))
3772 continue;
3773
3774 status = add_sid_to_array(mem_ctx, &member, pp_members,
3775 &num_members);
3776 if (!NT_STATUS_IS_OK(status)) {
3777 ldap_value_free(values);
3778 ldap_msgfree(result);
3779 return status;
3780 }
3781 }
3782
3783 *p_num_members = num_members;
3784 ldap_value_free(values);
3785 ldap_msgfree(result);
3786
3787 return NT_STATUS_OK;
3788 }
3789
3790 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3791 TALLOC_CTX *mem_ctx,
3792 const DOM_SID *domain_sid,
3793 const DOM_SID *members,
3794 size_t num_members,
3795 uint32 **pp_alias_rids,
3796 size_t *p_num_alias_rids)
3797 {
3798 struct ldapsam_privates *ldap_state =
3799 (struct ldapsam_privates *)methods->private_data;
3800 LDAP *ldap_struct;
3801
3802 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3803
3804 LDAPMessage *result = NULL;
3805 LDAPMessage *entry = NULL;
3806 int i;
3807 int rc;
3808 char *filter;
3809 enum lsa_SidType type = SID_NAME_USE_NONE;
3810 bool is_builtin = false;
3811 bool sid_added = false;
3812
3813 *pp_alias_rids = NULL;
3814 *p_num_alias_rids = 0;
3815
3816 if (sid_check_is_builtin(domain_sid)) {
3817 is_builtin = true;
3818 type = SID_NAME_ALIAS;
3819 }
3820
3821 if (sid_check_is_domain(domain_sid)) {
3822 type = SID_NAME_ALIAS;
3823 }
3824
3825 if (type == SID_NAME_USE_NONE) {
3826 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3827 sid_string_dbg(domain_sid)));
3828 return NT_STATUS_UNSUCCESSFUL;
3829 }
3830
3831 if (num_members == 0) {
3832 return NT_STATUS_OK;
3833 }
3834
3835 filter = talloc_asprintf(mem_ctx,
3836 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3837 LDAP_OBJ_GROUPMAP, type);
3838
3839 for (i=0; i<num_members; i++)
3840 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3841 filter,
3842 sid_string_talloc(mem_ctx,
3843 &members[i]));
3844
3845 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3846
3847 if (filter == NULL) {
3848 return NT_STATUS_NO_MEMORY;
3849 }
3850
3851 if (is_builtin &&
3852 ldap_state->search_cache.filter &&
3853 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3854 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3855 result = ldap_state->search_cache.result;
3856 ldap_state->search_cache.result = NULL;
3857 } else {
3858 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3859 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3860 if (rc != LDAP_SUCCESS) {
3861 return NT_STATUS_UNSUCCESSFUL;
3862 }
3863 talloc_autofree_ldapmsg(filter, result);
3864 }
3865
3866 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3867
3868 for (entry = ldap_first_entry(ldap_struct, result);
3869 entry != NULL;
3870 entry = ldap_next_entry(ldap_struct, entry))
3871 {
3872 fstring sid_str;
3873 DOM_SID sid;
3874 uint32 rid;
3875
3876 if (!smbldap_get_single_attribute(ldap_struct, entry,
3877 LDAP_ATTRIBUTE_SID,
3878 sid_str,
3879 sizeof(sid_str)-1))
3880 continue;
3881
3882 if (!string_to_sid(&sid, sid_str))
3883 continue;
3884
3885 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3886 continue;
3887
3888 sid_added = true;
3889
3890 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3891 p_num_alias_rids)) {
3892 return NT_STATUS_NO_MEMORY;
3893 }
3894 }
3895
3896 if (!is_builtin && !sid_added) {
3897 TALLOC_FREE(ldap_state->search_cache.filter);
3898 /*
3899 * Note: result is a talloc child of filter because of the
3900 * talloc_autofree_ldapmsg() usage
3901 */
3902 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3903 ldap_state->search_cache.result = result;
3904 }
3905
3906 return NT_STATUS_OK;
3907 }
3908
3909 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3910 enum pdb_policy_type type,
3911 uint32 value)
3912 {
3913 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3914 int rc;
3915 LDAPMod **mods = NULL;
3916 fstring value_string;
3917 const char *policy_attr = NULL;
3918
3919 struct ldapsam_privates *ldap_state =
3920 (struct ldapsam_privates *)methods->private_data;
3921
3922 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3923
3924 if (!ldap_state->domain_dn) {
3925 return NT_STATUS_INVALID_PARAMETER;
3926 }
3927
3928 policy_attr = get_account_policy_attr(type);
3929 if (policy_attr == NULL) {
3930 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3931 "policy\n"));
3932 return ntstatus;
3933 }
3934
3935 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3936
3937 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3938
3939 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3940 mods);
3941
3942 ldap_mods_free(mods, True);
3943
3944 if (rc != LDAP_SUCCESS) {
3945 return ntstatus;
3946 }
3947
3948 if (!cache_account_policy_set(type, value)) {
3949 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3950 "update local tdb cache\n"));
3951 return ntstatus;
3952 }
3953
3954 return NT_STATUS_OK;
3955 }
3956
3957 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3958 enum pdb_policy_type type,
3959 uint32_t value)
3960 {
3961 return ldapsam_set_account_policy_in_ldap(methods, type,
3962 value);
3963 }
3964
3965 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3966 enum pdb_policy_type type,
3967 uint32 *value)
3968 {
3969 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3970 LDAPMessage *result = NULL;
3971 LDAPMessage *entry = NULL;
3972 int count;
3973 int rc;
3974 char **vals = NULL;
3975 char *filter;
3976 const char *policy_attr = NULL;
3977
3978 struct ldapsam_privates *ldap_state =
3979 (struct ldapsam_privates *)methods->private_data;
3980
3981 const char *attrs[2];
3982
3983 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3984
3985 if (!ldap_state->domain_dn) {
3986 return NT_STATUS_INVALID_PARAMETER;
3987 }
3988
3989 policy_attr = get_account_policy_attr(type);
3990 if (!policy_attr) {
3991 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3992 "policy index: %d\n", type));
3993 return ntstatus;
3994 }
3995
3996 attrs[0] = policy_attr;
3997 attrs[1] = NULL;
3998
3999 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
4000 if (filter == NULL) {
4001 return NT_STATUS_NO_MEMORY;
4002 }
4003 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4004 LDAP_SCOPE_BASE, filter, attrs, 0,
4005 &result);
4006
4007 if (rc != LDAP_SUCCESS) {
4008 return ntstatus;
4009 }
4010
4011 count = ldap_count_entries(priv2ld(ldap_state), result);
4012 if (count < 1) {
4013 goto out;
4014 }
4015
4016 entry = ldap_first_entry(priv2ld(ldap_state), result);
4017 if (entry == NULL) {
4018 goto out;
4019 }
4020
4021 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4022 if (vals == NULL) {
4023 goto out;
4024 }
4025
4026 *value = (uint32)atol(vals[0]);
4027
4028 ntstatus = NT_STATUS_OK;
4029
4030 out:
4031 if (vals)
4032 ldap_value_free(vals);
4033 ldap_msgfree(result);
4034
4035 return ntstatus;
4036 }
4037
4038 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4039
4040 - if user hasn't decided to use account policies inside LDAP just reuse the
4041 old tdb values
4042
4043 - if there is a valid cache entry, return that
4044 - if there is an LDAP entry, update cache and return
4045 - otherwise set to default, update cache and return
4046
4047 Guenther
4048 */
4049 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4050 enum pdb_policy_type type,
4051 uint32_t *value)
4052 {
4053 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4054
4055 if (cache_account_policy_get(type, value)) {
4056 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4057 "cache\n"));
4058 return NT_STATUS_OK;
4059 }
4060
4061 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4062 value);
4063 if (NT_STATUS_IS_OK(ntstatus)) {
4064 goto update_cache;
4065 }
4066
4067 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4068 "ldap\n"));
4069
4070 #if 0
4071 /* should we automagically migrate old tdb value here ? */
4072 if (account_policy_get(type, value))
4073 goto update_ldap;
4074
4075 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4076 "default\n", type));
4077 #endif
4078
4079 if (!account_policy_get_default(type, value)) {
4080 return ntstatus;
4081 }
4082
4083 /* update_ldap: */
4084
4085 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4086 if (!NT_STATUS_IS_OK(ntstatus)) {
4087 return ntstatus;
4088 }
4089
4090 update_cache:
4091
4092 if (!cache_account_policy_set(type, *value)) {
4093 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4094 "tdb as a cache\n"));
4095 return NT_STATUS_UNSUCCESSFUL;
4096 }
4097
4098 return NT_STATUS_OK;
4099 }
4100
4101 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4102 const DOM_SID *domain_sid,
4103 int num_rids,
4104 uint32 *rids,
4105 const char **names,
4106 enum lsa_SidType *attrs)
4107 {
4108 struct ldapsam_privates *ldap_state =
4109 (struct ldapsam_privates *)methods->private_data;
4110 LDAPMessage *msg = NULL;
4111 LDAPMessage *entry;
4112 char *allsids = NULL;
4113 int i, rc, num_mapped;
4114 NTSTATUS result = NT_STATUS_NO_MEMORY;
4115 TALLOC_CTX *mem_ctx;
4116 LDAP *ld;
4117 bool is_builtin;
4118
4119 mem_ctx = talloc_new(NULL);
4120 if (mem_ctx == NULL) {
4121 DEBUG(0, ("talloc_new failed\n"));
4122 goto done;
4123 }
4124
4125 if (!sid_check_is_builtin(domain_sid) &&
4126 !sid_check_is_domain(domain_sid)) {
4127 result = NT_STATUS_INVALID_PARAMETER;
4128 goto done;
4129 }
4130
4131 if (num_rids == 0) {
4132 result = NT_STATUS_NONE_MAPPED;
4133 goto done;
4134 }
4135
4136 for (i=0; i<num_rids; i++)
4137 attrs[i] = SID_NAME_UNKNOWN;
4138
4139 allsids = talloc_strdup(mem_ctx, "");
4140 if (allsids == NULL) {
4141 goto done;
4142 }
4143
4144 for (i=0; i<num_rids; i++) {
4145 DOM_SID sid;
4146 sid_compose(&sid, domain_sid, rids[i]);
4147 allsids = talloc_asprintf_append_buffer(
4148 allsids, "(sambaSid=%s)",
4149 sid_string_talloc(mem_ctx, &sid));
4150 if (allsids == NULL) {
4151 goto done;
4152 }
4153 }
4154
4155 /* First look for users */
4156
4157 {
4158 char *filter;
4159 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4160
4161 filter = talloc_asprintf(
4162 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4163 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4164
4165 if (filter == NULL) {
4166 goto done;
4167 }
4168
4169 rc = smbldap_search(ldap_state->smbldap_state,
4170 lp_ldap_user_suffix(),
4171 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4172 &msg);
4173 talloc_autofree_ldapmsg(mem_ctx, msg);
4174 }
4175
4176 if (rc != LDAP_SUCCESS)
4177 goto done;
4178
4179 ld = ldap_state->smbldap_state->ldap_struct;
4180 num_mapped = 0;
4181
4182 for (entry = ldap_first_entry(ld, msg);
4183 entry != NULL;
4184 entry = ldap_next_entry(ld, entry)) {
4185 uint32 rid;
4186 int rid_index;
4187 const char *name;
4188
4189 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4190 &rid)) {
4191 DEBUG(2, ("Could not find sid from ldap entry\n"));
4192 continue;
4193 }
4194
4195 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4196 names);
4197 if (name == NULL) {
4198 DEBUG(2, ("Could not retrieve uid attribute\n"));
4199 continue;
4200 }
4201
4202 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4203 if (rid == rids[rid_index])
4204 break;
4205 }
4206
4207 if (rid_index == num_rids) {
4208 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4209 continue;
4210 }
4211
4212 attrs[rid_index] = SID_NAME_USER;
4213 names[rid_index] = name;
4214 num_mapped += 1;
4215 }
4216
4217 if (num_mapped == num_rids) {
4218 /* No need to look for groups anymore -- we're done */
4219 result = NT_STATUS_OK;
4220 goto done;
4221 }
4222
4223 /* Same game for groups */
4224
4225 {
4226 char *filter;
4227 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4228 "sambaGroupType", NULL };
4229
4230 filter = talloc_asprintf(
4231 mem_ctx, "(&(objectClass=%s)(|%s))",
4232 LDAP_OBJ_GROUPMAP, allsids);
4233 if (filter == NULL) {
4234 goto done;
4235 }
4236
4237 rc = smbldap_search(ldap_state->smbldap_state,
4238 lp_ldap_suffix(),
4239 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4240 &msg);
4241 talloc_autofree_ldapmsg(mem_ctx, msg);
4242 }
4243
4244 if (rc != LDAP_SUCCESS)
4245 goto done;
4246
4247 /* ldap_struct might have changed due to a reconnect */
4248
4249 ld = ldap_state->smbldap_state->ldap_struct;
4250
4251 /* For consistency checks, we already checked we're only domain or builtin */
4252
4253 is_builtin = sid_check_is_builtin(domain_sid);
4254
4255 for (entry = ldap_first_entry(ld, msg);
4256 entry != NULL;
4257 entry = ldap_next_entry(ld, entry))
4258 {
4259 uint32 rid;
4260 int rid_index;
4261 const char *attr;
4262 enum lsa_SidType type;
4263 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4264
4265 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4266 mem_ctx);
4267 if (attr == NULL) {
4268 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4269 dn));
4270 continue;
4271 }
4272
4273 type = (enum lsa_SidType)atol(attr);
4274
4275 /* Consistency checks */
4276 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4277 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4278 (type != SID_NAME_DOM_GRP)))) {
4279 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4280 }
4281
4282 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4283 &rid)) {
4284 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4285 continue;
4286 }
4287
4288 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4289
4290 if (attr == NULL) {
4291 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4292 dn));
4293 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4294 }
4295
4296 if (attr == NULL) {
4297 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4298 dn));
4299 continue;
4300 }
4301
4302 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4303 if (rid == rids[rid_index])
4304 break;
4305 }
4306
4307 if (rid_index == num_rids) {
4308 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4309 continue;
4310 }
4311
4312 attrs[rid_index] = type;
4313 names[rid_index] = attr;
4314 num_mapped += 1;
4315 }
4316
4317 result = NT_STATUS_NONE_MAPPED;
4318
4319 if (num_mapped > 0)
4320 result = (num_mapped == num_rids) ?
4321 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4322 done:
4323 TALLOC_FREE(mem_ctx);
4324 return result;
4325 }
4326
4327 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4328 {
4329 char *filter = NULL;
4330 char *escaped = NULL;
4331 char *result = NULL;
4332
4333 if (asprintf(&filter, "(&%s(objectclass=%s))",
4334 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4335 goto done;
4336 }
4337
4338 escaped = escape_ldap_string(talloc_tos(), username);
4339 if (escaped == NULL) goto done;
4340
4341 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4342
4343 done:
4344 SAFE_FREE(filter);
4345 TALLOC_FREE(escaped);
4346
4347 return result;
4348 }
4349
4350 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4351 {
4352 int i, num = 0;
4353 va_list ap;
4354 const char **result;
4355
4356 va_start(ap, mem_ctx);
4357 while (va_arg(ap, const char *) != NULL)
4358 num += 1;
4359 va_end(ap);
4360
4361 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4362 return NULL;
4363 }
4364
4365 va_start(ap, mem_ctx);
4366 for (i=0; i<num; i++) {
4367 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4368 if (result[i] == NULL) {
4369 talloc_free(result);
4370 va_end(ap);
4371 return NULL;
4372 }
4373 }
4374 va_end(ap);
4375
4376 result[num] = NULL;
4377 return result;
4378 }
4379
4380 struct ldap_search_state {
4381 struct smbldap_state *connection;
4382
4383 uint32 acct_flags;
4384 uint16 group_type;
4385
4386 const char *base;
4387 int scope;
4388 const char *filter;
4389 const char **attrs;
4390 int attrsonly;
4391 void *pagedresults_cookie;
4392
4393 LDAPMessage *entries, *current_entry;
4394 bool (*ldap2displayentry)(struct ldap_search_state *state,
4395 TALLOC_CTX *mem_ctx,
4396 LDAP *ld, LDAPMessage *entry,
4397 struct samr_displayentry *result);
4398 };
4399
4400 static bool ldapsam_search_firstpage(struct pdb_search *search)
4401 {
4402 struct ldap_search_state *state =
4403 (struct ldap_search_state *)search->private_data;
4404 LDAP *ld;
4405 int rc = LDAP_OPERATIONS_ERROR;
4406
4407 state->entries = NULL;
4408
4409 if (state->connection->paged_results) {
4410 rc = smbldap_search_paged(state->connection, state->base,
4411 state->scope, state->filter,
4412 state->attrs, state->attrsonly,
4413 lp_ldap_page_size(), &state->entries,
4414 &state->pagedresults_cookie);
4415 }
4416
4417 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4418
4419 if (state->entries != NULL) {
4420 /* Left over from unsuccessful paged attempt */
4421 ldap_msgfree(state->entries);
4422 state->entries = NULL;
4423 }
4424
4425 rc = smbldap_search(state->connection, state->base,
4426 state->scope, state->filter, state->attrs,
4427 state->attrsonly, &state->entries);
4428
4429 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4430 return False;
4431
4432 /* Ok, the server was lying. It told us it could do paged
4433 * searches when it could not. */
4434 state->connection->paged_results = False;
4435 }
4436
4437 ld = state->connection->ldap_struct;
4438 if ( ld == NULL) {
4439 DEBUG(5, ("Don't have an LDAP connection right after a "
4440 "search\n"));
4441 return False;
4442 }
4443 state->current_entry = ldap_first_entry(ld, state->entries);
4444
4445 if (state->current_entry == NULL) {
4446 ldap_msgfree(state->entries);
4447 state->entries = NULL;
4448 return false;
4449 }
4450
4451 return True;
4452 }
4453
4454 static bool ldapsam_search_nextpage(struct pdb_search *search)
4455 {
4456 struct ldap_search_state *state =
4457 (struct ldap_search_state *)search->private_data;
4458 int rc;
4459
4460 if (!state->connection->paged_results) {
4461 /* There is no next page when there are no paged results */
4462 return False;
4463 }
4464
4465 rc = smbldap_search_paged(state->connection, state->base,
4466 state->scope, state->filter, state->attrs,
4467 state->attrsonly, lp_ldap_page_size(),
4468 &state->entries,
4469 &state->pagedresults_cookie);
4470
4471 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4472 return False;
4473
4474 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4475
4476 if (state->current_entry == NULL) {
4477 ldap_msgfree(state->entries);
4478 state->entries = NULL;
4479 return false;
4480 }
4481
4482 return True;
4483 }
4484
4485 static bool ldapsam_search_next_entry(struct pdb_search *search,
4486 struct samr_displayentry *entry)
4487 {
4488 struct ldap_search_state *state =
4489 (struct ldap_search_state *)search->private_data;
4490 bool result;
4491
4492 retry:
4493 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4494 return False;
4495
4496 if ((state->entries == NULL) &&
4497 !ldapsam_search_nextpage(search))
4498 return False;
4499
4500 result = state->ldap2displayentry(state, search,
4501 state->connection->ldap_struct,
4502 state->current_entry, entry);
4503
4504 if (!result) {
4505 char *dn;
4506 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4507 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4508 if (dn != NULL) ldap_memfree(dn);
4509 }
4510
4511 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4512
4513 if (state->current_entry == NULL) {
4514 ldap_msgfree(state->entries);
4515 state->entries = NULL;
4516 }
4517
4518 if (!result) goto retry;
4519
4520 return True;
4521 }
4522
4523 static void ldapsam_search_end(struct pdb_search *search)
4524 {
4525 struct ldap_search_state *state =
4526 (struct ldap_search_state *)search->private_data;
4527 int rc;
4528
4529 if (state->pagedresults_cookie == NULL)
4530 return;
4531
4532 if (state->entries != NULL)
4533 ldap_msgfree(state->entries);
4534
4535 state->entries = NULL;
4536 state->current_entry = NULL;
4537
4538 if (!state->connection->paged_results)
4539 return;
4540
4541 /* Tell the LDAP server we're not interested in the rest anymore. */
4542
4543 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4544 state->filter, state->attrs,
4545 state->attrsonly, 0, &state->entries,
4546 &state->pagedresults_cookie);
4547
4548 if (rc != LDAP_SUCCESS)
4549 DEBUG(5, ("Could not end search properly\n"));
4550
4551 return;
4552 }
4553
4554 static bool ldapuser2displayentry(struct ldap_search_state *state,
4555 TALLOC_CTX *mem_ctx,
4556 LDAP *ld, LDAPMessage *entry,
4557 struct samr_displayentry *result)
4558 {
4559 char **vals;
4560 size_t converted_size;
4561 DOM_SID sid;
4562 uint32 acct_flags;
4563
4564 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4565 if ((vals == NULL) || (vals[0] == NULL)) {
4566 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4567 return False;
4568 }
4569 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4570 ldap_value_free(vals);
4571
4572 if ((state->acct_flags != 0) &&
4573 ((state->acct_flags & acct_flags) == 0))
4574 return False;
4575
4576 result->acct_flags = acct_flags;
4577 result->account_name = "";
4578 result->fullname = "";
4579 result->description = "";
4580
4581 vals = ldap_get_values(ld, entry, "uid");
4582 if ((vals == NULL) || (vals[0] == NULL)) {
4583 DEBUG(5, ("\"uid\" not found\n"));
4584 return False;
4585 }
4586 if (!pull_utf8_talloc(mem_ctx,
4587 CONST_DISCARD(char **, &result->account_name),
4588 vals[0], &converted_size))
4589 {
4590 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4591 strerror(errno)));
4592 }
4593
4594 ldap_value_free(vals);
4595
4596 vals = ldap_get_values(ld, entry, "displayName");
4597 if ((vals == NULL) || (vals[0] == NULL))
4598 DEBUG(8, ("\"displayName\" not found\n"));
4599 else if (!pull_utf8_talloc(mem_ctx,
4600 CONST_DISCARD(char **, &result->fullname),
4601 vals[0], &converted_size))
4602 {
4603 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4604 strerror(errno)));
4605 }
4606
4607 ldap_value_free(vals);
4608
4609 vals = ldap_get_values(ld, entry, "description");
4610 if ((vals == NULL) || (vals[0] == NULL))
4611 DEBUG(8, ("\"description\" not found\n"));
4612 else if (!pull_utf8_talloc(mem_ctx,
4613 CONST_DISCARD(char **, &result->description),
4614 vals[0], &converted_size))
4615 {
4616 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4617 strerror(errno)));
4618 }
4619
4620 ldap_value_free(vals);
4621
4622 if ((result->account_name == NULL) ||
4623 (result->fullname == NULL) ||
4624 (result->description == NULL)) {
4625 DEBUG(0, ("talloc failed\n"));
4626 return False;
4627 }
4628
4629 vals = ldap_get_values(ld, entry, "sambaSid");
4630 if ((vals == NULL) || (vals[0] == NULL)) {
4631 DEBUG(0, ("\"objectSid\" not found\n"));
4632 return False;
4633 }
4634
4635 if (!string_to_sid(&sid, vals[0])) {
4636 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4637 ldap_value_free(vals);
4638 return False;
4639 }
4640 ldap_value_free(vals);
4641
4642 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4643 DEBUG(0, ("sid %s does not belong to our domain\n",
4644 sid_string_dbg(&sid)));
4645 return False;
4646 }
4647
4648 return True;
4649 }
4650
4651
4652 static bool ldapsam_search_users(struct pdb_methods *methods,
4653 struct pdb_search *search,
4654 uint32 acct_flags)
4655 {
4656 struct ldapsam_privates *ldap_state =
4657 (struct ldapsam_privates *)methods->private_data;
4658 struct ldap_search_state *state;
4659
4660 state = talloc(search, struct ldap_search_state);
4661 if (state == NULL) {
4662 DEBUG(0, ("talloc failed\n"));
4663 return False;
4664 }
4665
4666 state->connection = ldap_state->smbldap_state;
4667
4668 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4669 state->base = lp_ldap_user_suffix();
4670 else if ((acct_flags != 0) &&
4671 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4672 state->base = lp_ldap_machine_suffix();
4673 else
4674 state->base = lp_ldap_suffix();
4675
4676 state->acct_flags = acct_flags;
4677 state->base = talloc_strdup(search, state->base);
4678 state->scope = LDAP_SCOPE_SUBTREE;
4679 state->filter = get_ldap_filter(search, "*");
4680 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4681 "displayName", "description",
4682 "sambaAcctFlags", NULL);
4683 state->attrsonly = 0;
4684 state->pagedresults_cookie = NULL;
4685 state->entries = NULL;
4686 state->ldap2displayentry = ldapuser2displayentry;
4687
4688 if ((state->filter == NULL) || (state->attrs == NULL)) {
4689 DEBUG(0, ("talloc failed\n"));
4690 return False;
4691 }
4692
4693 search->private_data = state;
4694 search->next_entry = ldapsam_search_next_entry;
4695 search->search_end = ldapsam_search_end;
4696
4697 return ldapsam_search_firstpage(search);
4698 }
4699
4700 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4701 TALLOC_CTX *mem_ctx,
4702 LDAP *ld, LDAPMessage *entry,
4703 struct samr_displayentry *result)
4704 {
4705 char **vals;
4706 size_t converted_size;
4707 DOM_SID sid;
4708 uint16 group_type;
4709
4710 result->account_name = "";
4711 result->fullname = "";
4712 result->description = "";
4713
4714
4715 vals = ldap_get_values(ld, entry, "sambaGroupType");
4716 if ((vals == NULL) || (vals[0] == NULL)) {
4717 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4718 if (vals != NULL) {
4719 ldap_value_free(vals);
4720 }
4721 return False;
4722 }
4723
4724 group_type = atoi(vals[0]);
4725
4726 if ((state->group_type != 0) &&
4727 ((state->group_type != group_type))) {
4728 ldap_value_free(vals);
4729 return False;
4730 }
4731
4732 ldap_value_free(vals);
4733
4734 /* display name is the NT group name */
4735
4736 vals = ldap_get_values(ld, entry, "displayName");
4737 if ((vals == NULL) || (vals[0] == NULL)) {
4738 DEBUG(8, ("\"displayName\" not found\n"));
4739
4740 /* fallback to the 'cn' attribute */
4741 vals = ldap_get_values(ld, entry, "cn");
4742 if ((vals == NULL) || (vals[0] == NULL)) {
4743 DEBUG(5, ("\"cn\" not found\n"));
4744 return False;
4745 }
4746 if (!pull_utf8_talloc(mem_ctx,
4747 CONST_DISCARD(char **,
4748 &result->account_name),
4749 vals[0], &converted_size))
4750 {
4751 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4752 "failed: %s", strerror(errno)));
4753 }
4754 }
4755 else if (!pull_utf8_talloc(mem_ctx,
4756 CONST_DISCARD(char **,
4757 &result->account_name),
4758 vals[0], &converted_size))
4759 {
4760 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4761 strerror(errno)));
4762 }
4763
4764 ldap_value_free(vals);
4765
4766 vals = ldap_get_values(ld, entry, "description");
4767 if ((vals == NULL) || (vals[0] == NULL))
4768 DEBUG(8, ("\"description\" not found\n"));
4769 else if (!pull_utf8_talloc(mem_ctx,
4770 CONST_DISCARD(char **, &result->description),
4771 vals[0], &converted_size))
4772 {
4773 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4774 strerror(errno)));
4775 }
4776 ldap_value_free(vals);
4777
4778 if ((result->account_name == NULL) ||
4779 (result->fullname == NULL) ||
4780 (result->description == NULL)) {
4781 DEBUG(0, ("talloc failed\n"));
4782 return False;
4783 }
4784
4785 vals = ldap_get_values(ld, entry, "sambaSid");
4786 if ((vals == NULL) || (vals[0] == NULL)) {
4787 DEBUG(0, ("\"objectSid\" not found\n"));
4788 if (vals != NULL) {
4789 ldap_value_free(vals);
4790 }
4791 return False;
4792 }
4793
4794 if (!string_to_sid(&sid, vals[0])) {
4795 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4796 return False;
4797 }
4798
4799 ldap_value_free(vals);
4800
4801 switch (group_type) {
4802 case SID_NAME_DOM_GRP:
4803 case SID_NAME_ALIAS:
4804
4805 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4806 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4807 {
4808 DEBUG(0, ("%s is not in our domain\n",
4809 sid_string_dbg(&sid)));
4810 return False;
4811 }
4812 break;
4813
4814 default:
4815 DEBUG(0,("unkown group type: %d\n", group_type));
4816 return False;
4817 }
4818
4819 result->acct_flags = 0;
4820
4821 return True;
4822 }
4823
4824 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4825 struct pdb_search *search,
4826 const DOM_SID *sid,
4827 enum lsa_SidType type)
4828 {
4829 struct ldapsam_privates *ldap_state =
4830 (struct ldapsam_privates *)methods->private_data;
4831 struct ldap_search_state *state;
4832 fstring tmp;
4833
4834 state = talloc(search, struct ldap_search_state);
4835 if (state == NULL) {
4836 DEBUG(0, ("talloc failed\n"));
4837 return False;
4838 }
4839
4840 state->connection = ldap_state->smbldap_state;
4841
4842 state->base = talloc_strdup(search, lp_ldap_suffix());
4843 state->connection = ldap_state->smbldap_state;
4844 state->scope = LDAP_SCOPE_SUBTREE;
4845 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4846 "(sambaGroupType=%d)(sambaSID=%s*))",
4847 LDAP_OBJ_GROUPMAP,
4848 type, sid_to_fstring(tmp, sid));
4849 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4850 "displayName", "description",
4851 "sambaGroupType", NULL);
4852 state->attrsonly = 0;
4853 state->pagedresults_cookie = NULL;
4854 state->entries = NULL;
4855 state->group_type = type;
4856 state->ldap2displayentry = ldapgroup2displayentry;
4857
4858 if ((state->filter == NULL) || (state->attrs == NULL)) {
4859 DEBUG(0, ("talloc failed\n"));
4860 return False;
4861 }
4862
4863 search->private_data = state;
4864 search->next_entry = ldapsam_search_next_entry;
4865 search->search_end = ldapsam_search_end;
4866
4867 return ldapsam_search_firstpage(search);
4868 }
4869
4870 static bool ldapsam_search_groups(struct pdb_methods *methods,
4871 struct pdb_search *search)
4872 {
4873 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4874 }
4875
4876 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4877 struct pdb_search *search,
4878 const DOM_SID *sid)
4879 {
4880 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4881 }
4882
4883 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4884 {
4885 return PDB_CAP_STORE_RIDS;
4886 }
4887
4888 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4889 uint32 *rid)
4890 {
4891 struct smbldap_state *smbldap_state = priv->smbldap_state;
4892
4893 LDAPMessage *result = NULL;
4894 LDAPMessage *entry = NULL;
4895 LDAPMod **mods = NULL;
4896 NTSTATUS status;
4897 char *value;
4898 int rc;
4899 uint32 nextRid = 0;
4900 const char *dn;
4901
4902 TALLOC_CTX *mem_ctx;
4903
4904 mem_ctx = talloc_new(NULL);
4905 if (mem_ctx == NULL) {
4906 DEBUG(0, ("talloc_new failed\n"));
4907 return NT_STATUS_NO_MEMORY;
4908 }
4909
4910 status = smbldap_search_domain_info(smbldap_state, &result,
4911 get_global_sam_name(), False);
4912 if (!NT_STATUS_IS_OK(status)) {
4913 DEBUG(3, ("Could not get domain info: %s\n",
4914 nt_errstr(status)));
4915 goto done;
4916 }
4917
4918 talloc_autofree_ldapmsg(mem_ctx, result);
4919
4920 entry = ldap_first_entry(priv2ld(priv), result);
4921 if (entry == NULL) {
4922 DEBUG(0, ("Could not get domain info entry\n"));
4923 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4924 goto done;
4925 }
4926
4927 /* Find the largest of the three attributes "sambaNextRid",
4928 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4929 concept of differentiating between user and group rids, and will
4930 use only "sambaNextRid" in the future. But for compatibility
4931 reasons I look if others have chosen different strategies -- VL */
4932
4933 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4934 "sambaNextRid", mem_ctx);
4935 if (value != NULL) {
4936 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4937 nextRid = MAX(nextRid, tmp);
4938 }
4939
4940 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4941 "sambaNextUserRid", mem_ctx);
4942 if (value != NULL) {
4943 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4944 nextRid = MAX(nextRid, tmp);
4945 }
4946
4947 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4948 "sambaNextGroupRid", mem_ctx);
4949 if (value != NULL) {
4950 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4951 nextRid = MAX(nextRid, tmp);
4952 }
4953
4954 if (nextRid == 0) {
4955 nextRid = BASE_RID-1;
4956 }
4957
4958 nextRid += 1;
4959
4960 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4961 talloc_asprintf(mem_ctx, "%d", nextRid));
4962 talloc_autofree_ldapmod(mem_ctx, mods);
4963
4964 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4965 status = NT_STATUS_NO_MEMORY;
4966 goto done;
4967 }
4968
4969 rc = smbldap_modify(smbldap_state, dn, mods);
4970
4971 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4972 * please retry" */
4973
4974 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4975
4976 done:
4977 if (NT_STATUS_IS_OK(status)) {
4978 *rid = nextRid;
4979 }
4980
4981 TALLOC_FREE(mem_ctx);
4982 return status;
4983 }
4984
4985 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4986 {
4987 int i;
4988
4989 for (i=0; i<10; i++) {
4990 NTSTATUS result = ldapsam_get_new_rid(
4991 (struct ldapsam_privates *)methods->private_data, rid);
4992 if (NT_STATUS_IS_OK(result)) {
4993 return result;
4994 }
4995
4996 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4997 return result;
4998 }
4999
5000 /* The ldap update failed (maybe a race condition), retry */
5001 }
5002
5003 /* Tried 10 times, fail. */
5004 return NT_STATUS_ACCESS_DENIED;
5005 }
5006
5007 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
5008 {
5009 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5010 return NT_STATUS_IS_OK(result) ? True : False;
5011 }
5012
5013 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5014 const DOM_SID *sid,
5015 union unid_t *id, enum lsa_SidType *type)
5016 {
5017 struct ldapsam_privates *priv =
5018 (struct ldapsam_privates *)methods->private_data;
5019 char *filter;
5020 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5021 NULL };
5022 LDAPMessage *result = NULL;
5023 LDAPMessage *entry = NULL;
5024 bool ret = False;
5025 char *value;
5026 int rc;
5027
5028 TALLOC_CTX *mem_ctx;
5029
5030 mem_ctx = talloc_new(NULL);
5031 if (mem_ctx == NULL) {
5032 DEBUG(0, ("talloc_new failed\n"));
5033 return False;
5034 }
5035
5036 filter = talloc_asprintf(mem_ctx,
5037 "(&(sambaSid=%s)"
5038 "(|(objectClass=%s)(objectClass=%s)))",
5039 sid_string_talloc(mem_ctx, sid),
5040 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5041 if (filter == NULL) {
5042 DEBUG(5, ("talloc_asprintf failed\n"));
5043 goto done;
5044 }
5045
5046 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5047 attrs, &result);
5048 if (rc != LDAP_SUCCESS) {
5049 goto done;
5050 }
5051 talloc_autofree_ldapmsg(mem_ctx, result);
5052
5053 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5054 DEBUG(10, ("Got %d entries, expected one\n",
5055 ldap_count_entries(priv2ld(priv), result)));
5056 goto done;
5057 }
5058
5059 entry = ldap_first_entry(priv2ld(priv), result);
5060
5061 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5062 "sambaGroupType", mem_ctx);
5063
5064 if (value != NULL) {
5065 const char *gid_str;
5066 /* It's a group */
5067
5068 gid_str = smbldap_talloc_single_attribute(
5069 priv2ld(priv), entry, "gidNumber", mem_ctx);
5070 if (gid_str == NULL) {
5071 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5072 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5073 entry)));
5074 goto done;
5075 }
5076
5077 id->gid = strtoul(gid_str, NULL, 10);
5078 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5079 store_gid_sid_cache(sid, id->gid);
5080 idmap_cache_set_sid2gid(sid, id->gid);
5081 ret = True;
5082 goto done;
5083 }
5084
5085 /* It must be a user */
5086
5087 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5088 "uidNumber", mem_ctx);
5089 if (value == NULL) {
5090 DEBUG(1, ("Could not find uidNumber in %s\n",
5091 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5092 goto done;
5093 }
5094
5095 id->uid = strtoul(value, NULL, 10);
5096 *type = SID_NAME_USER;
5097 store_uid_sid_cache(sid, id->uid);
5098 idmap_cache_set_sid2uid(sid, id->uid);
5099
5100 ret = True;
5101 done:
5102 TALLOC_FREE(mem_ctx);
5103 return ret;
5104 }
5105
5106 /**
5107 * Find the SID for a uid.
5108 * This is shortcut is only used if ldapsam:trusted is set to true.
5109 */
5110 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5111 DOM_SID *sid)
5112 {
5113 struct ldapsam_privates *priv =
5114 (struct ldapsam_privates *)methods->private_data;
5115 char *filter;
5116 const char *attrs[] = { "sambaSID", NULL };
5117 LDAPMessage *result = NULL;
5118 LDAPMessage *entry = NULL;
5119 bool ret = false;
5120 char *user_sid_string;
5121 struct dom_sid user_sid;
5122 int rc;
5123 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5124
5125 filter = talloc_asprintf(tmp_ctx,
5126 "(&(uidNumber=%u)"
5127 "(objectClass=%s)"
5128 "(objectClass=%s))",
5129 (unsigned int)uid,
5130 LDAP_OBJ_POSIXACCOUNT,
5131 LDAP_OBJ_SAMBASAMACCOUNT);
5132 if (filter == NULL) {
5133 DEBUG(3, ("talloc_asprintf failed\n"));
5134 goto done;
5135 }
5136
5137 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5138 if (rc != LDAP_SUCCESS) {
5139 goto done;
5140 }
5141 talloc_autofree_ldapmsg(tmp_ctx, result);
5142
5143 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5144 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5145 ldap_count_entries(priv2ld(priv), result),
5146 (unsigned int)uid));
5147 goto done;
5148 }
5149
5150 entry = ldap_first_entry(priv2ld(priv), result);
5151
5152 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5153 "sambaSID", tmp_ctx);
5154 if (user_sid_string == NULL) {
5155 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5156 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5157 goto done;
5158 }
5159
5160 if (!string_to_sid(&user_sid, user_sid_string)) {
5161 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5162 user_sid_string));
5163 goto done;
5164 }
5165
5166 sid_copy(sid, &user_sid);
5167
5168 store_uid_sid_cache(sid, uid);
5169 idmap_cache_set_sid2uid(sid, uid);
5170
5171 ret = true;
5172
5173 done:
5174 TALLOC_FREE(tmp_ctx);
5175 return ret;
5176 }
5177
5178 /**
5179 * Find the SID for a gid.
5180 * This is shortcut is only used if ldapsam:trusted is set to true.
5181 */
5182 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5183 DOM_SID *sid)
5184 {
5185 struct ldapsam_privates *priv =
5186 (struct ldapsam_privates *)methods->private_data;
5187 char *filter;
5188 const char *attrs[] = { "sambaSID", NULL };
5189 LDAPMessage *result = NULL;
5190 LDAPMessage *entry = NULL;
5191 bool ret = false;
5192 char *group_sid_string;
5193 DOM_SID group_sid;
5194 int rc;
5195 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5196
5197 filter = talloc_asprintf(tmp_ctx,
5198 "(&(gidNumber=%u)"
5199 "(objectClass=%s))",
5200 (unsigned int)gid,
5201 LDAP_OBJ_GROUPMAP);
5202 if (filter == NULL) {
5203 DEBUG(3, ("talloc_asprintf failed\n"));
5204 goto done;
5205 }
5206
5207 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5208 if (rc != LDAP_SUCCESS) {
5209 goto done;
5210 }
5211 talloc_autofree_ldapmsg(tmp_ctx, result);
5212
5213 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5214 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5215 ldap_count_entries(priv2ld(priv), result),
5216 (unsigned int)gid));
5217 goto done;
5218 }
5219
5220 entry = ldap_first_entry(priv2ld(priv), result);
5221
5222 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5223 "sambaSID", tmp_ctx);
5224 if (group_sid_string == NULL) {
5225 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5226 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5227 goto done;
5228 }
5229
5230 if (!string_to_sid(&group_sid, group_sid_string)) {
5231 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5232 group_sid_string));
5233 goto done;
5234 }
5235
5236 sid_copy(sid, &group_sid);
5237
5238 store_gid_sid_cache(sid, gid);
5239 idmap_cache_set_sid2gid(sid, gid);
5240
5241 ret = true;
5242
5243 done:
5244 TALLOC_FREE(tmp_ctx);
5245 return ret;
5246 }
5247
5248
5249 /*
5250 * The following functions are called only if
5251 * ldapsam:trusted and ldapsam:editposix are
5252 * set to true
5253 */
5254
5255 /*
5256 * ldapsam_create_user creates a new
5257 * posixAccount and sambaSamAccount object
5258 * in the ldap users subtree
5259 *
5260 * The uid is allocated by winbindd.
5261 */
5262
5263 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5264 TALLOC_CTX *tmp_ctx, const char *name,
5265 uint32 acb_info, uint32 *rid)
5266 {
5267 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5268 LDAPMessage *entry = NULL;
5269 LDAPMessage *result = NULL;
5270 uint32 num_result;
5271 bool is_machine = False;
5272 bool add_posix = False;
5273 LDAPMod **mods = NULL;
5274 struct samu *user;
5275 char *filter;
5276 char *username;
5277 char *homedir;
5278 char *gidstr;
5279 char *uidstr;
5280 char *shell;
5281 const char *dn = NULL;
5282 DOM_SID group_sid;
5283 DOM_SID user_sid;
5284 gid_t gid = -1;
5285 uid_t uid = -1;
5286 NTSTATUS ret;
5287 int rc;
5288
5289 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5290 acb_info & ACB_WSTRUST ||
5291 acb_info & ACB_SVRTRUST ||
5292 acb_info & ACB_DOMTRUST) {
5293 is_machine = True;
5294 }
5295
5296 username = escape_ldap_string(talloc_tos(), name);
5297 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5298 username, LDAP_OBJ_POSIXACCOUNT);
5299 TALLOC_FREE(username);
5300
5301 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5302 if (rc != LDAP_SUCCESS) {
5303 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5304 return NT_STATUS_ACCESS_DENIED;
5305 }
5306 talloc_autofree_ldapmsg(tmp_ctx, result);
5307
5308 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5309
5310 if (num_result > 1) {
5311 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5312 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5313 }
5314
5315 if (num_result == 1) {
5316 char *tmp;
5317 /* check if it is just a posix account.
5318 * or if there is a sid attached to this entry
5319 */
5320
5321 entry = ldap_first_entry(priv2ld(ldap_state), result);
5322 if (!entry) {
5323 return NT_STATUS_UNSUCCESSFUL;
5324 }
5325
5326 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5327 if (tmp) {
5328 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5329 return NT_STATUS_USER_EXISTS;
5330 }
5331
5332 /* it is just a posix account, retrieve the dn for later use */
5333 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5334 if (!dn) {
5335 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5336 return NT_STATUS_NO_MEMORY;
5337 }
5338 }
5339
5340 if (num_result == 0) {
5341 add_posix = True;
5342 }
5343
5344 /* Create the basic samu structure and generate the mods for the ldap commit */
5345 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5346 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5347 return ret;
5348 }
5349
5350 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5351
5352 user = samu_new(tmp_ctx);
5353 if (!user) {
5354 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5355 return NT_STATUS_NO_MEMORY;
5356 }
5357
5358 if (!pdb_set_username(user, name, PDB_SET)) {
5359 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5360 return NT_STATUS_UNSUCCESSFUL;
5361 }
5362 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5363 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5364 return NT_STATUS_UNSUCCESSFUL;
5365 }
5366 if (is_machine) {
5367 if (acb_info & ACB_NORMAL) {
5368 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5369 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5370 return NT_STATUS_UNSUCCESSFUL;
5371 }
5372 } else {
5373 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5374 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5375 return NT_STATUS_UNSUCCESSFUL;
5376 }
5377 }
5378 } else {
5379 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5380 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5381 return NT_STATUS_UNSUCCESSFUL;
5382 }
5383 }
5384
5385 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5386 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5387 return NT_STATUS_UNSUCCESSFUL;
5388 }
5389
5390 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5391 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5392 return NT_STATUS_UNSUCCESSFUL;
5393 }
5394
5395 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5396 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5397 }
5398 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5399
5400 if (add_posix) {
5401 char *escape_name;
5402
5403 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5404
5405 /* retrieve the Domain Users group gid */
5406 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5407 !sid_to_gid(&group_sid, &gid)) {
5408 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5409 return NT_STATUS_INVALID_PRIMARY_GROUP;
5410 }
5411
5412 /* lets allocate a new userid for this user */
5413 if (!winbind_allocate_uid(&uid)) {
5414 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5415 return NT_STATUS_UNSUCCESSFUL;
5416 }
5417
5418
5419 if (is_machine) {
5420 /* TODO: choose a more appropriate default for machines */
5421 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5422 shell = talloc_strdup(tmp_ctx, "/bin/false");
5423 } else {
5424 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5425 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5426 }
5427 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5428 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5429
5430 escape_name = escape_rdn_val_string_alloc(name);
5431 if (!escape_name) {
5432 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5433 return NT_STATUS_NO_MEMORY;
5434 }
5435
5436 if (is_machine) {
5437 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5438 } else {
5439 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5440 }
5441
5442 SAFE_FREE(escape_name);
5443
5444 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5445 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5446 return NT_STATUS_NO_MEMORY;
5447 }
5448
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5450 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5452 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5453 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5454 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5455 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5456 }
5457
5458 talloc_autofree_ldapmod(tmp_ctx, mods);
5459
5460 if (add_posix) {
5461 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5462 } else {
5463 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5464 }
5465
5466 if (rc != LDAP_SUCCESS) {
5467 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5468 return NT_STATUS_UNSUCCESSFUL;
5469 }
5470
5471 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5472
5473 flush_pwnam_cache();
5474
5475 return NT_STATUS_OK;
5476 }
5477
5478 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5479 {
5480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5481 LDAPMessage *result = NULL;
5482 LDAPMessage *entry = NULL;
5483 int num_result;
5484 const char *dn;
5485 char *filter;
5486 int rc;
5487
5488 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5489
5490 filter = talloc_asprintf(tmp_ctx,
5491 "(&(uid=%s)"
5492 "(objectClass=%s)"
5493 "(objectClass=%s))",
5494 pdb_get_username(sam_acct),
5495 LDAP_OBJ_POSIXACCOUNT,
5496 LDAP_OBJ_SAMBASAMACCOUNT);
5497 if (filter == NULL) {
5498 return NT_STATUS_NO_MEMORY;
5499 }
5500
5501 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5502 if (rc != LDAP_SUCCESS) {
5503 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5504 return NT_STATUS_UNSUCCESSFUL;
5505 }
5506 talloc_autofree_ldapmsg(tmp_ctx, result);
5507
5508 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5509
5510 if (num_result == 0) {
5511 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5512 return NT_STATUS_NO_SUCH_USER;
5513 }
5514
5515 if (num_result > 1) {
5516 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5517 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5518 }
5519
5520 entry = ldap_first_entry(priv2ld(ldap_state), result);
5521 if (!entry) {
5522 return NT_STATUS_UNSUCCESSFUL;
5523 }
5524
5525 /* it is just a posix account, retrieve the dn for later use */
5526 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5527 if (!dn) {
5528 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5529 return NT_STATUS_NO_MEMORY;
5530 }
5531
5532 /* try to remove memberships first */
5533 {
5534 NTSTATUS status;
5535 struct dom_sid *sids = NULL;
5536 gid_t *gids = NULL;
5537 size_t num_groups = 0;
5538 int i;
5539 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5540
5541 status = ldapsam_enum_group_memberships(my_methods,
5542 tmp_ctx,
5543 sam_acct,
5544 &sids,
5545 &gids,
5546 &num_groups);
5547 if (!NT_STATUS_IS_OK(status)) {
5548 goto delete_dn;
5549 }
5550
5551 for (i=0; i < num_groups; i++) {
5552
5553 uint32_t group_rid;
5554
5555 sid_peek_rid(&sids[i], &group_rid);
5556
5557 ldapsam_del_groupmem(my_methods,
5558 tmp_ctx,
5559 group_rid,
5560 user_rid);
5561 }
5562 }
5563
5564 delete_dn:
5565
5566 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5567 if (rc != LDAP_SUCCESS) {
5568 return NT_STATUS_UNSUCCESSFUL;
5569 }
5570
5571 flush_pwnam_cache();
5572
5573 return NT_STATUS_OK;
5574 }
5575
5576 /*
5577 * ldapsam_create_group creates a new
5578 * posixGroup and sambaGroupMapping object
5579 * in the ldap groups subtree
5580 *
5581 * The gid is allocated by winbindd.
5582 */
5583
5584 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5585 TALLOC_CTX *tmp_ctx,
5586 const char *name,
5587 uint32 *rid)
5588 {
5589 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5590 NTSTATUS ret;
5591 LDAPMessage *entry = NULL;
5592 LDAPMessage *result = NULL;
5593 uint32 num_result;
5594 bool is_new_entry = False;
5595 LDAPMod **mods = NULL;
5596 char *filter;
5597 char *groupsidstr;
5598 char *groupname;
5599 char *grouptype;
5600 char *gidstr;
5601 const char *dn = NULL;
5602 DOM_SID group_sid;
5603 gid_t gid = -1;
5604 int rc;
5605
5606 groupname = escape_ldap_string(talloc_tos(), name);
5607 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5608 groupname, LDAP_OBJ_POSIXGROUP);
5609 TALLOC_FREE(groupname);
5610
5611 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5612 if (rc != LDAP_SUCCESS) {
5613 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5614 return NT_STATUS_UNSUCCESSFUL;
5615 }
5616 talloc_autofree_ldapmsg(tmp_ctx, result);
5617
5618 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5619
5620 if (num_result > 1) {
5621 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5622 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5623 }
5624
5625 if (num_result == 1) {
5626 char *tmp;
5627 /* check if it is just a posix group.
5628 * or if there is a sid attached to this entry
5629 */
5630
5631 entry = ldap_first_entry(priv2ld(ldap_state), result);
5632 if (!entry) {
5633 return NT_STATUS_UNSUCCESSFUL;
5634 }
5635
5636 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5637 if (tmp) {
5638 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5639 return NT_STATUS_GROUP_EXISTS;
5640 }
5641
5642 /* it is just a posix group, retrieve the gid and the dn for later use */
5643 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5644 if (!tmp) {
5645 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5646 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5647 }
5648
5649 gid = strtoul(tmp, NULL, 10);
5650
5651 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5652 if (!dn) {
5653 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5654 return NT_STATUS_NO_MEMORY;
5655 }
5656 }
5657
5658 if (num_result == 0) {
5659 char *escape_name;
5660
5661 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5662
5663 is_new_entry = True;
5664
5665 /* lets allocate a new groupid for this group */
5666 if (!winbind_allocate_gid(&gid)) {
5667 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5668 return NT_STATUS_UNSUCCESSFUL;
5669 }
5670
5671 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5672
5673 escape_name = escape_rdn_val_string_alloc(name);
5674 if (!escape_name) {
5675 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5676 return NT_STATUS_NO_MEMORY;
5677 }
5678
5679 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5680
5681 SAFE_FREE(escape_name);
5682
5683 if (!gidstr || !dn) {
5684 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5685 return NT_STATUS_NO_MEMORY;
5686 }
5687
5688 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5689 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5690 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5691 }
5692
5693 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5694 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5695 return ret;
5696 }
5697
5698 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5699
5700 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5701 &group_sid));
5702 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5703
5704 if (!groupsidstr || !grouptype) {
5705 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5706 return NT_STATUS_NO_MEMORY;
5707 }
5708
5709 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5710 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5711 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5712 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5713 talloc_autofree_ldapmod(tmp_ctx, mods);
5714
5715 if (is_new_entry) {
5716 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5717 #if 0
5718 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5719 /* This call may fail with rfc2307bis schema */
5720 /* Retry adding a structural class */
5721 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5722 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5723 }
5724 #endif
5725 } else {
5726 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5727 }
5728
5729 if (rc != LDAP_SUCCESS) {
5730 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5731 return NT_STATUS_UNSUCCESSFUL;
5732 }
5733
5734 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5735
5736 return NT_STATUS_OK;
5737 }
5738
5739 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5740 {
5741 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5742 LDAPMessage *result = NULL;
5743 LDAPMessage *entry = NULL;
5744 int num_result;
5745 const char *dn;
5746 char *gidstr;
5747 char *filter;
5748 DOM_SID group_sid;
5749 int rc;
5750
5751 /* get the group sid */
5752 sid_compose(&group_sid, get_global_sam_sid(), rid);
5753
5754 filter = talloc_asprintf(tmp_ctx,
5755 "(&(sambaSID=%s)"
5756 "(objectClass=%s)"
5757 "(objectClass=%s))",
5758 sid_string_talloc(tmp_ctx, &group_sid),
5759 LDAP_OBJ_POSIXGROUP,
5760 LDAP_OBJ_GROUPMAP);
5761 if (filter == NULL) {
5762 return NT_STATUS_NO_MEMORY;
5763 }
5764
5765 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5766 if (rc != LDAP_SUCCESS) {
5767 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5768 return NT_STATUS_UNSUCCESSFUL;
5769 }
5770 talloc_autofree_ldapmsg(tmp_ctx, result);
5771
5772 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5773
5774 if (num_result == 0) {
5775 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5776 return NT_STATUS_NO_SUCH_GROUP;
5777 }
5778
5779 if (num_result > 1) {
5780 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5781 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5782 }
5783
5784 entry = ldap_first_entry(priv2ld(ldap_state), result);
5785 if (!entry) {
5786 return NT_STATUS_UNSUCCESSFUL;
5787 }
5788
5789 /* here it is, retrieve the dn for later use */
5790 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5791 if (!dn) {
5792 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5793 return NT_STATUS_NO_MEMORY;
5794 }
5795
5796 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5797 if (!gidstr) {
5798 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5799 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5800 }
5801
5802 /* check no user have this group marked as primary group */
5803 filter = talloc_asprintf(tmp_ctx,
5804 "(&(gidNumber=%s)"
5805 "(objectClass=%s)"
5806 "(objectClass=%s))",
5807 gidstr,
5808 LDAP_OBJ_POSIXACCOUNT,
5809 LDAP_OBJ_SAMBASAMACCOUNT);
5810
5811 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5812 if (rc != LDAP_SUCCESS) {
5813 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5814 return NT_STATUS_UNSUCCESSFUL;
5815 }
5816 talloc_autofree_ldapmsg(tmp_ctx, result);
5817
5818 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5819
5820 if (num_result != 0) {
5821 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5822 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5823 }
5824
5825 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5826 if (rc != LDAP_SUCCESS) {
5827 return NT_STATUS_UNSUCCESSFUL;
5828 }
5829
5830 return NT_STATUS_OK;
5831 }
5832
5833 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5834 TALLOC_CTX *tmp_ctx,
5835 uint32 group_rid,
5836 uint32 member_rid,
5837 int modop)
5838 {
5839 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5840 LDAPMessage *entry = NULL;
5841 LDAPMessage *result = NULL;
5842 uint32 num_result;
5843 LDAPMod **mods = NULL;
5844 char *filter;
5845 char *uidstr;
5846 const char *dn = NULL;
5847 DOM_SID group_sid;
5848 DOM_SID member_sid;
5849 int rc;
5850
5851 switch (modop) {
5852 case LDAP_MOD_ADD:
5853 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5854 break;
5855 case LDAP_MOD_DELETE:
5856 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5857 break;
5858 default:
5859 return NT_STATUS_UNSUCCESSFUL;
5860 }
5861
5862 /* get member sid */
5863 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5864
5865 /* get the group sid */
5866 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5867
5868 filter = talloc_asprintf(tmp_ctx,
5869 "(&(sambaSID=%s)"
5870 "(objectClass=%s)"
5871 "(objectClass=%s))",
5872 sid_string_talloc(tmp_ctx, &member_sid),
5873 LDAP_OBJ_POSIXACCOUNT,
5874 LDAP_OBJ_SAMBASAMACCOUNT);
5875 if (filter == NULL) {
5876 return NT_STATUS_NO_MEMORY;
5877 }
5878
5879 /* get the member uid */
5880 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5881 if (rc != LDAP_SUCCESS) {
5882 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5883 return NT_STATUS_UNSUCCESSFUL;
5884 }
5885 talloc_autofree_ldapmsg(tmp_ctx, result);
5886
5887 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5888
5889 if (num_result == 0) {
5890 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5891 return NT_STATUS_NO_SUCH_MEMBER;
5892 }
5893
5894 if (num_result > 1) {
5895 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5896 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5897 }
5898
5899 entry = ldap_first_entry(priv2ld(ldap_state), result);
5900 if (!entry) {
5901 return NT_STATUS_UNSUCCESSFUL;
5902 }
5903
5904 if (modop == LDAP_MOD_DELETE) {
5905 /* check if we are trying to remove the member from his primary group */
5906 char *gidstr;
5907 gid_t user_gid, group_gid;
5908
5909 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5910 if (!gidstr) {
5911 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5912 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5913 }
5914
5915 user_gid = strtoul(gidstr, NULL, 10);
5916
5917 if (!sid_to_gid(&group_sid, &group_gid)) {
5918 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5919 return NT_STATUS_UNSUCCESSFUL;
5920 }
5921
5922 if (user_gid == group_gid) {
5923 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5924 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5925 }
5926 }
5927
5928 /* here it is, retrieve the uid for later use */
5929 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5930 if (!uidstr) {
5931 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5932 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5933 }
5934
5935 filter = talloc_asprintf(tmp_ctx,
5936 "(&(sambaSID=%s)"
5937 "(objectClass=%s)"
5938 "(objectClass=%s))",
5939 sid_string_talloc(tmp_ctx, &group_sid),
5940 LDAP_OBJ_POSIXGROUP,
5941 LDAP_OBJ_GROUPMAP);
5942
5943 /* get the group */
5944 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5945 if (rc != LDAP_SUCCESS) {
5946 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5947 return NT_STATUS_UNSUCCESSFUL;
5948 }
5949 talloc_autofree_ldapmsg(tmp_ctx, result);
5950
5951 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5952
5953 if (num_result == 0) {
5954 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5955 return NT_STATUS_NO_SUCH_GROUP;
5956 }
5957
5958 if (num_result > 1) {
5959 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5960 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5961 }
5962
5963 entry = ldap_first_entry(priv2ld(ldap_state), result);
5964 if (!entry) {
5965 return NT_STATUS_UNSUCCESSFUL;
5966 }
5967
5968 /* here it is, retrieve the dn for later use */
5969 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5970 if (!dn) {
5971 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5972 return NT_STATUS_NO_MEMORY;
5973 }
5974
5975 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5976
5977 talloc_autofree_ldapmod(tmp_ctx, mods);
5978
5979 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5980 if (rc != LDAP_SUCCESS) {
5981 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5982 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5983 return NT_STATUS_MEMBER_IN_GROUP;
5984 }
5985 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5986 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5987 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5988 }
5989 return NT_STATUS_UNSUCCESSFUL;
5990 }
5991
5992 return NT_STATUS_OK;
5993 }
5994
5995 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5996 TALLOC_CTX *tmp_ctx,
5997 uint32 group_rid,
5998 uint32 member_rid)
5999 {
6000 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6001 }
6002 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6003 TALLOC_CTX *tmp_ctx,
6004 uint32 group_rid,
6005 uint32 member_rid)
6006 {
6007 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6008 }
6009
6010 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6011 TALLOC_CTX *mem_ctx,
6012 struct samu *sampass)
6013 {
6014 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6015 LDAPMessage *entry = NULL;
6016 LDAPMessage *result = NULL;
6017 uint32 num_result;
6018 LDAPMod **mods = NULL;
6019 char *filter;
6020 char *escape_username;
6021 char *gidstr;
6022 const char *dn = NULL;
6023 gid_t gid;
6024 int rc;
6025
6026 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6027
6028 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6029 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6030 return NT_STATUS_UNSUCCESSFUL;
6031 }
6032 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6033 if (!gidstr) {
6034 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6035 return NT_STATUS_NO_MEMORY;
6036 }
6037
6038 escape_username = escape_ldap_string(talloc_tos(),
6039 pdb_get_username(sampass));
6040 if (escape_username== NULL) {
6041 return NT_STATUS_NO_MEMORY;
6042 }
6043
6044 filter = talloc_asprintf(mem_ctx,
6045 "(&(uid=%s)"
6046 "(objectClass=%s)"
6047 "(objectClass=%s))",
6048 escape_username,
6049 LDAP_OBJ_POSIXACCOUNT,
6050 LDAP_OBJ_SAMBASAMACCOUNT);
6051
6052 TALLOC_FREE(escape_username);
6053
6054 if (filter == NULL) {
6055 return NT_STATUS_NO_MEMORY;
6056 }
6057
6058 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6059 if (rc != LDAP_SUCCESS) {
6060 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6061 return NT_STATUS_UNSUCCESSFUL;
6062 }
6063 talloc_autofree_ldapmsg(mem_ctx, result);
6064
6065 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6066
6067 if (num_result == 0) {
6068 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6069 return NT_STATUS_NO_SUCH_USER;
6070 }
6071
6072 if (num_result > 1) {
6073 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6074 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6075 }
6076
6077 entry = ldap_first_entry(priv2ld(ldap_state), result);
6078 if (!entry) {
6079 return NT_STATUS_UNSUCCESSFUL;
6080 }
6081
6082 /* retrieve the dn for later use */
6083 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6084 if (!dn) {
6085 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6086 return NT_STATUS_NO_MEMORY;
6087 }
6088
6089 /* remove the old one, and add the new one, this way we do not risk races */
6090 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6091
6092 if (mods == NULL) {
6093 return NT_STATUS_OK;
6094 }
6095
6096 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6097
6098 if (rc != LDAP_SUCCESS) {
6099 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6100 pdb_get_username(sampass), gidstr));
6101 return NT_STATUS_UNSUCCESSFUL;
6102 }
6103
6104 flush_pwnam_cache();
6105
6106 return NT_STATUS_OK;
6107 }
6108
6109
6110 /**********************************************************************
6111 trusted domains functions
6112 *********************************************************************/
6113
6114 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6115 const char *domain)
6116 {
6117 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6118 ldap_state->domain_dn);
6119 }
6120
6121 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6122 TALLOC_CTX *mem_ctx,
6123 const char *domain, LDAPMessage **entry)
6124 {
6125 int rc;
6126 char *filter;
6127 int scope = LDAP_SCOPE_SUBTREE;
6128 const char **attrs = NULL; /* NULL: get all attrs */
6129 int attrsonly = 0; /* 0: return values too */
6130 LDAPMessage *result = NULL;
6131 char *trusted_dn;
6132 uint32 num_result;
6133
6134 filter = talloc_asprintf(talloc_tos(),
6135 "(&(objectClass=%s)(sambaDomainName=%s))",
6136 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6137
6138 trusted_dn = trusteddom_dn(ldap_state, domain);
6139 if (trusted_dn == NULL) {
6140 return False;
6141 }
6142 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6143 filter, attrs, attrsonly, &result);
6144
6145 if (result != NULL) {
6146 talloc_autofree_ldapmsg(mem_ctx, result);
6147 }
6148
6149 if (rc == LDAP_NO_SUCH_OBJECT) {
6150 *entry = NULL;
6151 return True;
6152 }
6153
6154 if (rc != LDAP_SUCCESS) {
6155 return False;
6156 }
6157
6158 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6159
6160 if (num_result > 1) {
6161 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6162 "%s object for domain '%s'?!\n",
6163 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6164 return False;
6165 }
6166
6167 if (num_result == 0) {
6168 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6169 "%s object for domain %s.\n",
6170 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6171 *entry = NULL;
6172 } else {
6173 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6174 }
6175
6176 return True;
6177 }
6178
6179 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6180 const char *domain,
6181 char** pwd,
6182 DOM_SID *sid,
6183 time_t *pass_last_set_time)
6184 {
6185 struct ldapsam_privates *ldap_state =
6186 (struct ldapsam_privates *)methods->private_data;
6187 LDAPMessage *entry = NULL;
6188
6189 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6190
6191 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6192 (entry == NULL))
6193 {
6194 return False;
6195 }
6196
6197 /* password */
6198 if (pwd != NULL) {
6199 char *pwd_str;
6200 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6201 entry, "sambaClearTextPassword", talloc_tos());
6202 if (pwd_str == NULL) {
6203 return False;
6204 }
6205 /* trusteddom_pw routines do not use talloc yet... */
6206 *pwd = SMB_STRDUP(pwd_str);
6207 if (*pwd == NULL) {
6208 return False;
6209 }
6210 }
6211
6212 /* last change time */
6213 if (pass_last_set_time != NULL) {
6214 char *time_str;
6215 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6216 entry, "sambaPwdLastSet", talloc_tos());
6217 if (time_str == NULL) {
6218 return False;
6219 }
6220 *pass_last_set_time = (time_t)atol(time_str);
6221 }
6222
6223 /* domain sid */
6224 if (sid != NULL) {
6225 char *sid_str;
6226 struct dom_sid dom_sid;
6227 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6228 entry, "sambaSID",
6229 talloc_tos());
6230 if (sid_str == NULL) {
6231 return False;
6232 }
6233 if (!string_to_sid(&dom_sid, sid_str)) {
6234 return False;
6235 }
6236 sid_copy(sid, &dom_sid);
6237 }
6238
6239 return True;
6240 }
6241
6242 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6243 const char* domain,
6244 const char* pwd,
6245 const DOM_SID *sid)
6246 {
6247 struct ldapsam_privates *ldap_state =
6248 (struct ldapsam_privates *)methods->private_data;
6249 LDAPMessage *entry = NULL;
6250 LDAPMod **mods = NULL;
6251 char *prev_pwd = NULL;
6252 char *trusted_dn = NULL;
6253 int rc;
6254
6255 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6256
6257 /*
6258 * get the current entry (if there is one) in order to put the
6259 * current password into the previous password attribute
6260 */
6261 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6262 return False;
6263 }
6264
6265 mods = NULL;
6266 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6267 LDAP_OBJ_TRUSTDOM_PASSWORD);
6268 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6269 domain);
6270 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6271 sid_string_tos(sid));
6272 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6273 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6274 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6275 "sambaClearTextPassword", pwd);
6276
6277 if (entry != NULL) {
6278 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6279 entry, "sambaClearTextPassword", talloc_tos());
6280 if (prev_pwd != NULL) {
6281 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6282 "sambaPreviousClearTextPassword",
6283 prev_pwd);
6284 }
6285 }
6286
6287 talloc_autofree_ldapmod(talloc_tos(), mods);
6288
6289 trusted_dn = trusteddom_dn(ldap_state, domain);
6290 if (trusted_dn == NULL) {
6291 return False;
6292 }
6293 if (entry == NULL) {
6294 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6295 } else {
6296 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6297 }
6298
6299 if (rc != LDAP_SUCCESS) {
6300 DEBUG(1, ("error writing trusted domain password!\n"));
6301 return False;
6302 }
6303
6304 return True;
6305 }
6306
6307 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6308 const char *domain)
6309 {
6310 int rc;
6311 struct ldapsam_privates *ldap_state =
6312 (struct ldapsam_privates *)methods->private_data;
6313 LDAPMessage *entry = NULL;
6314 const char *trusted_dn;
6315
6316 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6317 return False;
6318 }
6319
6320 if (entry == NULL) {
6321 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6322 "%s\n", domain));
6323 return True;
6324 }
6325
6326 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6327 entry);
6328 if (trusted_dn == NULL) {
6329 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6330 return False;
6331 }
6332
6333 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6334 if (rc != LDAP_SUCCESS) {
6335 return False;
6336 }
6337
6338 return True;
6339 }
6340
6341 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6342 TALLOC_CTX *mem_ctx,
6343 uint32 *num_domains,
6344 struct trustdom_info ***domains)
6345 {
6346 int rc;
6347 struct ldapsam_privates *ldap_state =
6348 (struct ldapsam_privates *)methods->private_data;
6349 char *filter;
6350 int scope = LDAP_SCOPE_SUBTREE;
6351 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6352 int attrsonly = 0; /* 0: return values too */
6353 LDAPMessage *result = NULL;
6354 LDAPMessage *entry = NULL;
6355
6356 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6357 LDAP_OBJ_TRUSTDOM_PASSWORD);
6358
6359 rc = smbldap_search(ldap_state->smbldap_state,
6360 ldap_state->domain_dn,
6361 scope,
6362 filter,
6363 attrs,
6364 attrsonly,
6365 &result);
6366
6367 if (result != NULL) {
6368 talloc_autofree_ldapmsg(mem_ctx, result);
6369 }
6370
6371 if (rc != LDAP_SUCCESS) {
6372 return NT_STATUS_UNSUCCESSFUL;
6373 }
6374
6375 *num_domains = 0;
6376 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6377 DEBUG(1, ("talloc failed\n"));
6378 return NT_STATUS_NO_MEMORY;
6379 }
6380
6381 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6382 entry != NULL;
6383 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6384 {
6385 char *dom_name, *dom_sid_str;
6386 struct trustdom_info *dom_info;
6387
6388 dom_info = TALLOC_P(*domains, struct trustdom_info);
6389 if (dom_info == NULL) {
6390 DEBUG(1, ("talloc failed\n"));
6391 return NT_STATUS_NO_MEMORY;
6392 }
6393
6394 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6395 entry,
6396 "sambaDomainName",
6397 talloc_tos());
6398 if (dom_name == NULL) {
6399 DEBUG(1, ("talloc failed\n"));
6400 return NT_STATUS_NO_MEMORY;
6401 }
6402 dom_info->name = dom_name;
6403
6404 dom_sid_str = smbldap_talloc_single_attribute(
6405 priv2ld(ldap_state), entry, "sambaSID",
6406 talloc_tos());
6407 if (dom_sid_str == NULL) {
6408 DEBUG(1, ("talloc failed\n"));
6409 return NT_STATUS_NO_MEMORY;
6410 }
6411 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6412 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6413 dom_sid_str));
6414 return NT_STATUS_UNSUCCESSFUL;
6415 }
6416
6417 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6418 domains, num_domains);
6419
6420 if (*domains == NULL) {
6421 DEBUG(1, ("talloc failed\n"));
6422 return NT_STATUS_NO_MEMORY;
6423 }
6424 }
6425
6426 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6427 return NT_STATUS_OK;
6428 }
6429
6430
6431 /**********************************************************************
6432 Housekeeping
6433 *********************************************************************/
6434
6435 static void free_private_data(void **vp)
6436 {
6437 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6438
6439 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6440
6441 if ((*ldap_state)->result != NULL) {
6442 ldap_msgfree((*ldap_state)->result);
6443 (*ldap_state)->result = NULL;
6444 }
6445 if ((*ldap_state)->domain_dn != NULL) {
6446 SAFE_FREE((*ldap_state)->domain_dn);
6447 }
6448
6449 *ldap_state = NULL;
6450
6451 /* No need to free any further, as it is talloc()ed */
6452 }
6453
6454 /*********************************************************************
6455 Intitalise the parts of the pdb_methods structure that are common to
6456 all pdb_ldap modes
6457 *********************************************************************/
6458
6459 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6460 {
6461 NTSTATUS nt_status;
6462 struct ldapsam_privates *ldap_state;
6463
6464 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6465 return nt_status;
6466 }
6467
6468 (*pdb_method)->name = "ldapsam";
6469
6470 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6471 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6472 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6473 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6474 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6475 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6476
6477 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6478 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6479 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6480 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6481 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6482 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6483 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6484
6485 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6486 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6487
6488 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6489
6490 (*pdb_method)->capabilities = ldapsam_capabilities;
6491 (*pdb_method)->new_rid = ldapsam_new_rid;
6492
6493 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6494 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6495 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6496 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6497
6498 /* TODO: Setup private data and free */
6499
6500 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6501 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6502 return NT_STATUS_NO_MEMORY;
6503 }
6504
6505 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6506 location, &ldap_state->smbldap_state);
6507
6508 if ( !NT_STATUS_IS_OK(nt_status) ) {
6509 return nt_status;
6510 }
6511
6512 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6513 return NT_STATUS_NO_MEMORY;
6514 }
6515
6516 (*pdb_method)->private_data = ldap_state;
6517
6518 (*pdb_method)->free_private_data = free_private_data;
6519
6520 return NT_STATUS_OK;
6521 }
6522
6523 /**********************************************************************
6524 Initialise the 'compat' mode for pdb_ldap
6525 *********************************************************************/
6526
6527 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6528 {
6529 NTSTATUS nt_status;
6530 struct ldapsam_privates *ldap_state;
6531 char *uri = talloc_strdup( NULL, location );
6532
6533 trim_char( uri, '\"', '\"' );
6534 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6535 if ( uri )
6536 TALLOC_FREE( uri );
6537
6538 if ( !NT_STATUS_IS_OK(nt_status) ) {
6539 return nt_status;
6540 }
6541
6542 (*pdb_method)->name = "ldapsam_compat";
6543
6544 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6545 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6546
6547 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6548
6549 return NT_STATUS_OK;
6550 }
6551
6552 /**********************************************************************
6553 Initialise the normal mode for pdb_ldap
6554 *********************************************************************/
6555
6556 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6557 {
6558 NTSTATUS nt_status;
6559 struct ldapsam_privates *ldap_state = NULL;
6560 uint32 alg_rid_base;
6561 char *alg_rid_base_string = NULL;
6562 LDAPMessage *result = NULL;
6563 LDAPMessage *entry = NULL;
6564 DOM_SID ldap_domain_sid;
6565 DOM_SID secrets_domain_sid;
6566 char *domain_sid_string = NULL;
6567 char *dn = NULL;
6568 char *uri = talloc_strdup( NULL, location );
6569
6570 trim_char( uri, '\"', '\"' );
6571 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6572
6573 TALLOC_FREE(uri);
6574
6575 if (!NT_STATUS_IS_OK(nt_status)) {
6576 return nt_status;
6577 }
6578
6579 (*pdb_method)->name = "ldapsam";
6580
6581 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6582 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6583 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6584 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6585 (*pdb_method)->search_users = ldapsam_search_users;
6586 (*pdb_method)->search_groups = ldapsam_search_groups;
6587 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6588
6589 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6590 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6591 (*pdb_method)->enum_group_memberships =
6592 ldapsam_enum_group_memberships;
6593 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6594 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6595 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6596 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6597
6598 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6599 (*pdb_method)->create_user = ldapsam_create_user;
6600 (*pdb_method)->delete_user = ldapsam_delete_user;
6601 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6602 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6603 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6604 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6605 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6606 }
6607 }
6608
6609 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6610 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6611
6612 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6613
6614 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6615 &result,
6616 ldap_state->domain_name, True);
6617
6618 if ( !NT_STATUS_IS_OK(nt_status) ) {
6619 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6620 "info, nor add one to the domain\n"));
6621 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6622 "will be unable to allocate new users/groups, "
6623 "and will risk BDCs having inconsistant SIDs\n"));
6624 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6625 return NT_STATUS_OK;
6626 }
6627
6628 /* Given that the above might fail, everything below this must be
6629 * optional */
6630
6631 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6632 result);
6633 if (!entry) {
6634 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6635 "entry\n"));
6636 ldap_msgfree(result);
6637 return NT_STATUS_UNSUCCESSFUL;
6638 }
6639
6640 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6641 if (!dn) {
6642 ldap_msgfree(result);
6643 return NT_STATUS_UNSUCCESSFUL;
6644 }
6645
6646 ldap_state->domain_dn = smb_xstrdup(dn);
6647 TALLOC_FREE(dn);
6648
6649 domain_sid_string = smbldap_talloc_single_attribute(
6650 ldap_state->smbldap_state->ldap_struct,
6651 entry,
6652 get_userattr_key2string(ldap_state->schema_ver,
6653 LDAP_ATTR_USER_SID),
6654 talloc_tos());
6655
6656 if (domain_sid_string) {
6657 bool found_sid;
6658 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6659 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6660 "read as a valid SID\n", domain_sid_string));
6661 ldap_msgfree(result);
6662 TALLOC_FREE(domain_sid_string);
6663 return NT_STATUS_INVALID_PARAMETER;
6664 }
6665 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6666 &secrets_domain_sid);
6667 if (!found_sid || !sid_equal(&secrets_domain_sid,
6668 &ldap_domain_sid)) {
6669 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6670 "%s based on pdb_ldap results %s -> %s\n",
6671 ldap_state->domain_name,
6672 sid_string_dbg(&secrets_domain_sid),
6673 sid_string_dbg(&ldap_domain_sid)));
6674
6675 /* reset secrets.tdb sid */
6676 secrets_store_domain_sid(ldap_state->domain_name,
6677 &ldap_domain_sid);
6678 DEBUG(1, ("New global sam SID: %s\n",
6679 sid_string_dbg(get_global_sam_sid())));
6680 }
6681 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6682 TALLOC_FREE(domain_sid_string);
6683 }
6684
6685 alg_rid_base_string = smbldap_talloc_single_attribute(
6686 ldap_state->smbldap_state->ldap_struct,
6687 entry,
6688 get_attr_key2string( dominfo_attr_list,
6689 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6690 talloc_tos());
6691 if (alg_rid_base_string) {
6692 alg_rid_base = (uint32)atol(alg_rid_base_string);
6693 if (alg_rid_base != algorithmic_rid_base()) {
6694 DEBUG(0, ("The value of 'algorithmic RID base' has "
6695 "changed since the LDAP\n"
6696 "database was initialised. Aborting. \n"));
6697 ldap_msgfree(result);
6698 TALLOC_FREE(alg_rid_base_string);
6699 return NT_STATUS_UNSUCCESSFUL;
6700 }
6701 TALLOC_FREE(alg_rid_base_string);
6702 }
6703 ldap_msgfree(result);
6704
6705 return NT_STATUS_OK;
6706 }
6707
6708 NTSTATUS pdb_ldap_init(void)
6709 {
6710 NTSTATUS nt_status;
6711 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6712 return nt_status;
6713
6714 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6715 return nt_status;
6716
6717 /* Let pdb_nds register backends */
6718 pdb_nds_init();
6719
6720 return NT_STATUS_OK;
6721 }