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Fix bug 6097
[Samba.git] / source / passdb / pdb_ldap.c
blob0d54fe02cc74d52a62259257b5dd883f39ed9139
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
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
844 if (user_dn != NULL) {
845 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
846
847 pwd_len = sizeof(clear_text_pw);
848 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
849 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
850 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
851 SAFE_FREE(user_dn);
852 return False;
853 }
854 ZERO_STRUCT(smblmpwd);
855 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
856 SAFE_FREE(user_dn);
857 return False;
858 }
859 ZERO_STRUCT(smbntpwd);
860 use_samba_attrs = False;
861 }
862
863 SAFE_FREE(user_dn);
864
865 } else {
866 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
867 }
868 }
869
870 if (use_samba_attrs) {
871 temp = smbldap_talloc_single_attribute(
872 ldap_state->smbldap_state->ldap_struct,
873 entry,
874 get_userattr_key2string(ldap_state->schema_ver,
875 LDAP_ATTR_LMPW),
876 ctx);
877 if (temp) {
878 pdb_gethexpwd(temp, smblmpwd);
879 memset((char *)temp, '\0', strlen(temp)+1);
880 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
881 goto fn_exit;
882 }
883 ZERO_STRUCT(smblmpwd);
884 }
885
886 temp = smbldap_talloc_single_attribute(
887 ldap_state->smbldap_state->ldap_struct,
888 entry,
889 get_userattr_key2string(ldap_state->schema_ver,
890 LDAP_ATTR_NTPW),
891 ctx);
892 if (temp) {
893 pdb_gethexpwd(temp, smbntpwd);
894 memset((char *)temp, '\0', strlen(temp)+1);
895 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
896 goto fn_exit;
897 }
898 ZERO_STRUCT(smbntpwd);
899 }
900 }
901
902 pwHistLen = 0;
903
904 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
905 if (pwHistLen > 0){
906 uint8 *pwhist = NULL;
907 int i;
908 char *history_string = TALLOC_ARRAY(ctx, char,
909 MAX_PW_HISTORY_LEN*64);
910
911 if (!history_string) {
912 goto fn_exit;
913 }
914
915 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
916
917 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
918 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
919 NULL){
920 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
921 goto fn_exit;
922 }
923 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
924
925 if (smbldap_get_single_attribute(
926 ldap_state->smbldap_state->ldap_struct,
927 entry,
928 get_userattr_key2string(ldap_state->schema_ver,
929 LDAP_ATTR_PWD_HISTORY),
930 history_string,
931 MAX_PW_HISTORY_LEN*64)) {
932 bool hex_failed = false;
933 for (i = 0; i < pwHistLen; i++){
934 /* Get the 16 byte salt. */
935 if (!pdb_gethexpwd(&history_string[i*64],
936 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
937 hex_failed = true;
938 break;
939 }
940 /* Get the 16 byte MD5 hash of salt+passwd. */
941 if (!pdb_gethexpwd(&history_string[(i*64)+32],
942 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
943 PW_HISTORY_SALT_LEN])) {
944 hex_failed = True;
945 break;
946 }
947 }
948 if (hex_failed) {
949 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
950 username));
951 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
952 }
953 }
954 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
955 goto fn_exit;
956 }
957 }
958
959 temp = smbldap_talloc_single_attribute(
960 ldap_state->smbldap_state->ldap_struct,
961 entry,
962 get_userattr_key2string(ldap_state->schema_ver,
963 LDAP_ATTR_ACB_INFO),
964 ctx);
965 if (temp) {
966 acct_ctrl = pdb_decode_acct_ctrl(temp);
967
968 if (acct_ctrl == 0) {
969 acct_ctrl |= ACB_NORMAL;
970 }
971
972 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
973 } else {
974 acct_ctrl |= ACB_NORMAL;
975 }
976
977 pdb_set_hours_len(sampass, hours_len, PDB_SET);
978 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
979
980 temp = smbldap_talloc_single_attribute(
981 ldap_state->smbldap_state->ldap_struct,
982 entry,
983 get_userattr_key2string(ldap_state->schema_ver,
984 LDAP_ATTR_BAD_PASSWORD_COUNT),
985 ctx);
986 if (temp) {
987 bad_password_count = (uint32) atol(temp);
988 pdb_set_bad_password_count(sampass,
989 bad_password_count, PDB_SET);
990 }
991
992 temp = smbldap_talloc_single_attribute(
993 ldap_state->smbldap_state->ldap_struct,
994 entry,
995 get_userattr_key2string(ldap_state->schema_ver,
996 LDAP_ATTR_BAD_PASSWORD_TIME),
997 ctx);
998 if (temp) {
999 bad_password_time = (time_t) atol(temp);
1000 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1001 }
1002
1003
1004 temp = smbldap_talloc_single_attribute(
1005 ldap_state->smbldap_state->ldap_struct,
1006 entry,
1007 get_userattr_key2string(ldap_state->schema_ver,
1008 LDAP_ATTR_LOGON_COUNT),
1009 ctx);
1010 if (temp) {
1011 logon_count = (uint32) atol(temp);
1012 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1013 }
1014
1015 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1016
1017 temp = smbldap_talloc_single_attribute(
1018 ldap_state->smbldap_state->ldap_struct,
1019 entry,
1020 get_userattr_key2string(ldap_state->schema_ver,
1021 LDAP_ATTR_LOGON_HOURS),
1022 ctx);
1023 if (temp) {
1024 pdb_gethexhours(temp, hours);
1025 memset((char *)temp, '\0', strlen(temp) +1);
1026 pdb_set_hours(sampass, hours, PDB_SET);
1027 ZERO_STRUCT(hours);
1028 }
1029
1030 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1031 temp = smbldap_talloc_single_attribute(
1032 priv2ld(ldap_state),
1033 entry,
1034 "uidNumber",
1035 ctx);
1036 if (temp) {
1037 /* We've got a uid, feed the cache */
1038 uid_t uid = strtoul(temp, NULL, 10);
1039 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1040 }
1041 }
1042
1043 /* check the timestamp of the cache vs ldap entry */
1044 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1045 entry))) {
1046 ret = true;
1047 goto fn_exit;
1048 }
1049
1050 /* see if we have newer updates */
1051 if (!(cache_entry = login_cache_read(sampass))) {
1052 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1053 (unsigned int)pdb_get_bad_password_count(sampass),
1054 (unsigned int)pdb_get_bad_password_time(sampass)));
1055 ret = true;
1056 goto fn_exit;
1057 }
1058
1059 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1060 (unsigned int)ldap_entry_time,
1061 (unsigned int)cache_entry->entry_timestamp,
1062 (unsigned int)cache_entry->bad_password_time));
1063
1064 if (ldap_entry_time > cache_entry->entry_timestamp) {
1065 /* cache is older than directory , so
1066 we need to delete the entry but allow the
1067 fields to be written out */
1068 login_cache_delentry(sampass);
1069 } else {
1070 /* read cache in */
1071 pdb_set_acct_ctrl(sampass,
1072 pdb_get_acct_ctrl(sampass) |
1073 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1074 PDB_SET);
1075 pdb_set_bad_password_count(sampass,
1076 cache_entry->bad_password_count,
1077 PDB_SET);
1078 pdb_set_bad_password_time(sampass,
1079 cache_entry->bad_password_time,
1080 PDB_SET);
1081 }
1082
1083 ret = true;
1084
1085 fn_exit:
1086
1087 TALLOC_FREE(ctx);
1088 SAFE_FREE(cache_entry);
1089 return ret;
1090 }
1091
1092 /**********************************************************************
1093 Initialize the ldap db from a struct samu. Called on update.
1094 (Based on init_buffer_from_sam in pdb_tdb.c)
1095 *********************************************************************/
1096
1097 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1098 LDAPMessage *existing,
1099 LDAPMod *** mods, struct samu * sampass,
1100 bool (*need_update)(const struct samu *,
1101 enum pdb_elements))
1102 {
1103 char *temp = NULL;
1104 uint32 rid;
1105
1106 if (mods == NULL || sampass == NULL) {
1107 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1108 return False;
1109 }
1110
1111 *mods = NULL;
1112
1113 /*
1114 * took out adding "objectclass: sambaAccount"
1115 * do this on a per-mod basis
1116 */
1117 if (need_update(sampass, PDB_USERNAME)) {
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 "uid", pdb_get_username(sampass));
1120 if (ldap_state->is_nds_ldap) {
1121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1122 "cn", pdb_get_username(sampass));
1123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1124 "sn", pdb_get_username(sampass));
1125 }
1126 }
1127
1128 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1129
1130 /* only update the RID if we actually need to */
1131 if (need_update(sampass, PDB_USERSID)) {
1132 fstring sid_string;
1133 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1134
1135 switch ( ldap_state->schema_ver ) {
1136 case SCHEMAVER_SAMBAACCOUNT:
1137 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1138 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1139 sid_string_dbg(user_sid),
1140 sid_string_dbg(
1141 &ldap_state->domain_sid)));
1142 return False;
1143 }
1144 if (asprintf(&temp, "%i", rid) < 0) {
1145 return false;
1146 }
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1149 temp);
1150 SAFE_FREE(temp);
1151 break;
1152
1153 case SCHEMAVER_SAMBASAMACCOUNT:
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1156 sid_to_fstring(sid_string, user_sid));
1157 break;
1158
1159 default:
1160 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1161 break;
1162 }
1163 }
1164
1165 /* we don't need to store the primary group RID - so leaving it
1166 'free' to hang off the unix primary group makes life easier */
1167
1168 if (need_update(sampass, PDB_GROUPSID)) {
1169 fstring sid_string;
1170 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1171
1172 switch ( ldap_state->schema_ver ) {
1173 case SCHEMAVER_SAMBAACCOUNT:
1174 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1175 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1176 sid_string_dbg(group_sid),
1177 sid_string_dbg(
1178 &ldap_state->domain_sid)));
1179 return False;
1180 }
1181
1182 if (asprintf(&temp, "%i", rid) < 0) {
1183 return false;
1184 }
1185 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1188 SAFE_FREE(temp);
1189 break;
1190
1191 case SCHEMAVER_SAMBASAMACCOUNT:
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 get_userattr_key2string(ldap_state->schema_ver,
1194 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1195 break;
1196
1197 default:
1198 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1199 break;
1200 }
1201
1202 }
1203
1204 /* displayName, cn, and gecos should all be the same
1205 * most easily accomplished by giving them the same OID
1206 * gecos isn't set here b/c it should be handled by the
1207 * add-user script
1208 * We change displayName only and fall back to cn if
1209 * it does not exist.
1210 */
1211
1212 if (need_update(sampass, PDB_FULLNAME))
1213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1214 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1215 pdb_get_fullname(sampass));
1216
1217 if (need_update(sampass, PDB_ACCTDESC))
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1220 pdb_get_acct_desc(sampass));
1221
1222 if (need_update(sampass, PDB_WORKSTATIONS))
1223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1224 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1225 pdb_get_workstations(sampass));
1226
1227 if (need_update(sampass, PDB_MUNGEDDIAL))
1228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1229 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1230 pdb_get_munged_dial(sampass));
1231
1232 if (need_update(sampass, PDB_SMBHOME))
1233 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1234 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1235 pdb_get_homedir(sampass));
1236
1237 if (need_update(sampass, PDB_DRIVE))
1238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1239 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1240 pdb_get_dir_drive(sampass));
1241
1242 if (need_update(sampass, PDB_LOGONSCRIPT))
1243 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1244 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1245 pdb_get_logon_script(sampass));
1246
1247 if (need_update(sampass, PDB_PROFILE))
1248 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1249 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1250 pdb_get_profile_path(sampass));
1251
1252 if (asprintf(&temp, "%li", pdb_get_logon_time(sampass)) < 0) {
1253 return false;
1254 }
1255 if (need_update(sampass, PDB_LOGONTIME))
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1258 SAFE_FREE(temp);
1259
1260 if (asprintf(&temp, "%li", pdb_get_logoff_time(sampass)) < 0) {
1261 return false;
1262 }
1263 if (need_update(sampass, PDB_LOGOFFTIME))
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1266 SAFE_FREE(temp);
1267
1268 if (asprintf(&temp, "%li", pdb_get_kickoff_time(sampass)) < 0) {
1269 return false;
1270 }
1271 if (need_update(sampass, PDB_KICKOFFTIME))
1272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1274 SAFE_FREE(temp);
1275
1276 if (asprintf(&temp, "%li", pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1277 return false;
1278 }
1279 if (need_update(sampass, PDB_CANCHANGETIME))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1282 SAFE_FREE(temp);
1283
1284 if (asprintf(&temp, "%li", pdb_get_pass_must_change_time(sampass)) < 0) {
1285 return false;
1286 }
1287 if (need_update(sampass, PDB_MUSTCHANGETIME))
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1290 SAFE_FREE(temp);
1291
1292 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1293 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1294
1295 if (need_update(sampass, PDB_LMPASSWD)) {
1296 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1297 if (lm_pw) {
1298 char pwstr[34];
1299 pdb_sethexpwd(pwstr, lm_pw,
1300 pdb_get_acct_ctrl(sampass));
1301 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1302 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1303 pwstr);
1304 } else {
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1307 NULL);
1308 }
1309 }
1310 if (need_update(sampass, PDB_NTPASSWD)) {
1311 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1312 if (nt_pw) {
1313 char pwstr[34];
1314 pdb_sethexpwd(pwstr, nt_pw,
1315 pdb_get_acct_ctrl(sampass));
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1318 pwstr);
1319 } else {
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1322 NULL);
1323 }
1324 }
1325
1326 if (need_update(sampass, PDB_PWHISTORY)) {
1327 char *pwstr = NULL;
1328 uint32 pwHistLen = 0;
1329 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1330
1331 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1332 if (!pwstr) {
1333 return false;
1334 }
1335 if (pwHistLen == 0) {
1336 /* Remove any password history from the LDAP store. */
1337 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1338 pwstr[64] = '\0';
1339 } else {
1340 int i;
1341 uint32 currHistLen = 0;
1342 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1343 if (pwhist != NULL) {
1344 /* We can only store (1024-1/64 password history entries. */
1345 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1346 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1347 /* Store the salt. */
1348 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1349 /* Followed by the md5 hash of salt + md4 hash */
1350 pdb_sethexpwd(&pwstr[(i*64)+32],
1351 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1352 DEBUG(100, ("pwstr=%s\n", pwstr));
1353 }
1354 }
1355 }
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1358 pwstr);
1359 SAFE_FREE(pwstr);
1360 }
1361
1362 if (need_update(sampass, PDB_PASSLASTSET)) {
1363 if (asprintf(&temp, "%li",
1364 pdb_get_pass_last_set_time(sampass)) < 0) {
1365 return false;
1366 }
1367 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1368 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1369 temp);
1370 SAFE_FREE(temp);
1371 }
1372 }
1373
1374 if (need_update(sampass, PDB_HOURS)) {
1375 const uint8 *hours = pdb_get_hours(sampass);
1376 if (hours) {
1377 char hourstr[44];
1378 pdb_sethexhours(hourstr, hours);
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1380 existing,
1381 mods,
1382 get_userattr_key2string(ldap_state->schema_ver,
1383 LDAP_ATTR_LOGON_HOURS),
1384 hourstr);
1385 }
1386 }
1387
1388 if (need_update(sampass, PDB_ACCTCTRL))
1389 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1390 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1391 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1392
1393 /* password lockout cache:
1394 - If we are now autolocking or clearing, we write to ldap
1395 - If we are clearing, we delete the cache entry
1396 - If the count is > 0, we update the cache
1397
1398 This even means when autolocking, we cache, just in case the
1399 update doesn't work, and we have to cache the autolock flag */
1400
1401 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1402 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1403 uint16 badcount = pdb_get_bad_password_count(sampass);
1404 time_t badtime = pdb_get_bad_password_time(sampass);
1405 uint32 pol;
1406 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1407
1408 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1409 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1410
1411 if ((badcount >= pol) || (badcount == 0)) {
1412 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1413 (unsigned int)badcount, (unsigned int)badtime));
1414 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1415 return false;
1416 }
1417 smbldap_make_mod(
1418 ldap_state->smbldap_state->ldap_struct,
1419 existing, mods,
1420 get_userattr_key2string(
1421 ldap_state->schema_ver,
1422 LDAP_ATTR_BAD_PASSWORD_COUNT),
1423 temp);
1424 SAFE_FREE(temp);
1425
1426 if (asprintf(&temp, "%li", badtime) < 0) {
1427 return false;
1428 }
1429 smbldap_make_mod(
1430 ldap_state->smbldap_state->ldap_struct,
1431 existing, mods,
1432 get_userattr_key2string(
1433 ldap_state->schema_ver,
1434 LDAP_ATTR_BAD_PASSWORD_TIME),
1435 temp);
1436 SAFE_FREE(temp);
1437 }
1438 if (badcount == 0) {
1439 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1440 login_cache_delentry(sampass);
1441 } else {
1442 LOGIN_CACHE cache_entry;
1443
1444 cache_entry.entry_timestamp = time(NULL);
1445 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1446 cache_entry.bad_password_count = badcount;
1447 cache_entry.bad_password_time = badtime;
1448
1449 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1450 login_cache_write(sampass, cache_entry);
1451 }
1452 }
1453
1454 return True;
1455 }
1456
1457 /**********************************************************************
1458 End enumeration of the LDAP password list.
1459 *********************************************************************/
1460
1461 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1462 {
1463 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1464 if (ldap_state->result) {
1465 ldap_msgfree(ldap_state->result);
1466 ldap_state->result = NULL;
1467 }
1468 }
1469
1470 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1471 const char *new_attr)
1472 {
1473 int i;
1474
1475 if (new_attr == NULL) {
1476 return;
1477 }
1478
1479 for (i=0; (*attr_list)[i] != NULL; i++) {
1480 ;
1481 }
1482
1483 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1484 const char *, i+2);
1485 SMB_ASSERT((*attr_list) != NULL);
1486 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1487 (*attr_list)[i+1] = NULL;
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 append_attr(user, &attr_list, "uidNumber");
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const DOM_SID *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32 rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 append_attr(tmp_ctx, &attr_list, "uidNumber");
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 case SCHEMAVER_SAMBAACCOUNT:
1576 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1577 return rc;
1578 }
1579
1580 attr_list = get_userattr_list(NULL,
1581 ldap_state->schema_ver);
1582 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1583 TALLOC_FREE( attr_list );
1584
1585 if ( rc != LDAP_SUCCESS )
1586 return rc;
1587 break;
1588 }
1589 return rc;
1590 }
1591
1592 /**********************************************************************
1593 Get struct samu entry from LDAP by SID.
1594 *********************************************************************/
1595
1596 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1597 {
1598 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1599 LDAPMessage *result = NULL;
1600 LDAPMessage *entry = NULL;
1601 int count;
1602 int rc;
1603
1604 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1605 sid, &result);
1606 if (rc != LDAP_SUCCESS)
1607 return NT_STATUS_NO_SUCH_USER;
1608
1609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1610
1611 if (count < 1) {
1612 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1613 "count=%d\n", sid_string_dbg(sid), count));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 } else if (count > 1) {
1617 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1618 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1619 count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (!entry) {
1626 ldap_msgfree(result);
1627 return NT_STATUS_NO_SUCH_USER;
1628 }
1629
1630 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1631 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1632 ldap_msgfree(result);
1633 return NT_STATUS_NO_SUCH_USER;
1634 }
1635
1636 pdb_set_backend_private_data(user, result, NULL,
1637 my_methods, PDB_CHANGED);
1638 talloc_autofree_ldapmsg(user, result);
1639 return NT_STATUS_OK;
1640 }
1641
1642 /********************************************************************
1643 Do the actual modification - also change a plaintext passord if
1644 it it set.
1645 **********************************************************************/
1646
1647 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1648 struct samu *newpwd, char *dn,
1649 LDAPMod **mods, int ldap_op,
1650 bool (*need_update)(const struct samu *, enum pdb_elements))
1651 {
1652 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1653 int rc;
1654
1655 if (!newpwd || !dn) {
1656 return NT_STATUS_INVALID_PARAMETER;
1657 }
1658
1659 if (!mods) {
1660 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1661 /* may be password change below however */
1662 } else {
1663 switch(ldap_op) {
1664 case LDAP_MOD_ADD:
1665 if (ldap_state->is_nds_ldap) {
1666 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1667 "objectclass",
1668 "inetOrgPerson");
1669 } else {
1670 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1671 "objectclass",
1672 LDAP_OBJ_ACCOUNT);
1673 }
1674 rc = smbldap_add(ldap_state->smbldap_state,
1675 dn, mods);
1676 break;
1677 case LDAP_MOD_REPLACE:
1678 rc = smbldap_modify(ldap_state->smbldap_state,
1679 dn ,mods);
1680 break;
1681 default:
1682 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1683 ldap_op));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 if (rc!=LDAP_SUCCESS) {
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690 }
1691
1692 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1693 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1694 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1695 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1696 BerElement *ber;
1697 struct berval *bv;
1698 char *retoid = NULL;
1699 struct berval *retdata = NULL;
1700 char *utf8_password;
1701 char *utf8_dn;
1702
1703 if (!ldap_state->is_nds_ldap) {
1704
1705 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1706 LDAP_EXOP_MODIFY_PASSWD)) {
1707 DEBUG(2, ("ldap password change requested, but LDAP "
1708 "server does not support it -- ignoring\n"));
1709 return NT_STATUS_OK;
1710 }
1711 }
1712
1713 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1714 return NT_STATUS_NO_MEMORY;
1715 }
1716
1717 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1718 SAFE_FREE(utf8_password);
1719 return NT_STATUS_NO_MEMORY;
1720 }
1721
1722 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1723 DEBUG(0,("ber_alloc_t returns NULL\n"));
1724 SAFE_FREE(utf8_password);
1725 SAFE_FREE(utf8_dn);
1726 return NT_STATUS_UNSUCCESSFUL;
1727 }
1728
1729 if ((ber_printf (ber, "{") < 0) ||
1730 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn) < 0) ||
1731 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password) < 0) ||
1732 (ber_printf (ber, "n}") < 0)) {
1733 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a value <0\n"));
1734 ber_free(ber,1);
1735 SAFE_FREE(utf8_dn);
1736 SAFE_FREE(utf8_password);
1737 return NT_STATUS_UNSUCCESSFUL;
1738 }
1739
1740 if ((rc = ber_flatten (ber, &bv))<0) {
1741 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1742 ber_free(ber,1);
1743 SAFE_FREE(utf8_dn);
1744 SAFE_FREE(utf8_password);
1745 return NT_STATUS_UNSUCCESSFUL;
1746 }
1747
1748 SAFE_FREE(utf8_dn);
1749 SAFE_FREE(utf8_password);
1750 ber_free(ber, 1);
1751
1752 if (!ldap_state->is_nds_ldap) {
1753 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1754 LDAP_EXOP_MODIFY_PASSWD,
1755 bv, NULL, NULL, &retoid,
1756 &retdata);
1757 } else {
1758 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1759 pdb_get_plaintext_passwd(newpwd));
1760 }
1761 if (rc != LDAP_SUCCESS) {
1762 char *ld_error = NULL;
1763
1764 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1765 DEBUG(3, ("Could not set userPassword "
1766 "attribute due to an objectClass "
1767 "violation -- ignoring\n"));
1768 ber_bvfree(bv);
1769 return NT_STATUS_OK;
1770 }
1771
1772 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1773 &ld_error);
1774 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1775 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1776 SAFE_FREE(ld_error);
1777 ber_bvfree(bv);
1778 #if defined(LDAP_CONSTRAINT_VIOLATION)
1779 if (rc == LDAP_CONSTRAINT_VIOLATION)
1780 return NT_STATUS_PASSWORD_RESTRICTION;
1781 #endif
1782 return NT_STATUS_UNSUCCESSFUL;
1783 } else {
1784 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1785 #ifdef DEBUG_PASSWORD
1786 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1787 #endif
1788 if (retdata)
1789 ber_bvfree(retdata);
1790 if (retoid)
1791 ldap_memfree(retoid);
1792 }
1793 ber_bvfree(bv);
1794 }
1795 return NT_STATUS_OK;
1796 }
1797
1798 /**********************************************************************
1799 Delete entry from LDAP for username.
1800 *********************************************************************/
1801
1802 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1803 struct samu * sam_acct)
1804 {
1805 struct ldapsam_privates *priv =
1806 (struct ldapsam_privates *)my_methods->private_data;
1807 const char *sname;
1808 int rc;
1809 LDAPMessage *msg, *entry;
1810 NTSTATUS result = NT_STATUS_NO_MEMORY;
1811 const char **attr_list;
1812 TALLOC_CTX *mem_ctx;
1813
1814 if (!sam_acct) {
1815 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1816 return NT_STATUS_INVALID_PARAMETER;
1817 }
1818
1819 sname = pdb_get_username(sam_acct);
1820
1821 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1822 "LDAP.\n", sname));
1823
1824 mem_ctx = talloc_new(NULL);
1825 if (mem_ctx == NULL) {
1826 DEBUG(0, ("talloc_new failed\n"));
1827 goto done;
1828 }
1829
1830 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1831 if (attr_list == NULL) {
1832 goto done;
1833 }
1834
1835 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1836
1837 if ((rc != LDAP_SUCCESS) ||
1838 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1839 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1840 DEBUG(5, ("Could not find user %s\n", sname));
1841 result = NT_STATUS_NO_SUCH_USER;
1842 goto done;
1843 }
1844
1845 rc = ldapsam_delete_entry(
1846 priv, mem_ctx, entry,
1847 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1848 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1849 attr_list);
1850
1851 result = (rc == LDAP_SUCCESS) ?
1852 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1853
1854 done:
1855 TALLOC_FREE(mem_ctx);
1856 return result;
1857 }
1858
1859 /**********************************************************************
1860 Helper function to determine for update_sam_account whether
1861 we need LDAP modification.
1862 *********************************************************************/
1863
1864 static bool element_is_changed(const struct samu *sampass,
1865 enum pdb_elements element)
1866 {
1867 return IS_SAM_CHANGED(sampass, element);
1868 }
1869
1870 /**********************************************************************
1871 Update struct samu.
1872 *********************************************************************/
1873
1874 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1875 {
1876 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1877 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1878 int rc = 0;
1879 char *dn;
1880 LDAPMessage *result = NULL;
1881 LDAPMessage *entry = NULL;
1882 LDAPMod **mods = NULL;
1883 const char **attr_list;
1884
1885 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1886 if (!result) {
1887 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1888 if (pdb_get_username(newpwd) == NULL) {
1889 return NT_STATUS_INVALID_PARAMETER;
1890 }
1891 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1892 TALLOC_FREE( attr_list );
1893 if (rc != LDAP_SUCCESS) {
1894 return NT_STATUS_UNSUCCESSFUL;
1895 }
1896 pdb_set_backend_private_data(newpwd, result, NULL,
1897 my_methods, PDB_CHANGED);
1898 talloc_autofree_ldapmsg(newpwd, result);
1899 }
1900
1901 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1902 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1903 return NT_STATUS_UNSUCCESSFUL;
1904 }
1905
1906 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1907 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1908 if (!dn) {
1909 return NT_STATUS_UNSUCCESSFUL;
1910 }
1911
1912 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1913
1914 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1915 element_is_changed)) {
1916 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1917 SAFE_FREE(dn);
1918 if (mods != NULL)
1919 ldap_mods_free(mods,True);
1920 return NT_STATUS_UNSUCCESSFUL;
1921 }
1922
1923 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1924 && (mods == NULL)) {
1925 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1926 pdb_get_username(newpwd)));
1927 SAFE_FREE(dn);
1928 return NT_STATUS_OK;
1929 }
1930
1931 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1932
1933 if (mods != NULL) {
1934 ldap_mods_free(mods,True);
1935 }
1936
1937 SAFE_FREE(dn);
1938
1939 /*
1940 * We need to set the backend private data to NULL here. For example
1941 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1942 * same one, and with the explicit delete / add logic for attribute
1943 * values the second time we would use the wrong "old" value which
1944 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1945 * the update.
1946 * The existing LDAPMessage is still being auto-freed by the
1947 * destructor.
1948 */
1949 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1950 PDB_CHANGED);
1951
1952 if (!NT_STATUS_IS_OK(ret)) {
1953 return ret;
1954 }
1955
1956 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1957 pdb_get_username(newpwd)));
1958 return NT_STATUS_OK;
1959 }
1960
1961 /***************************************************************************
1962 Renames a struct samu
1963 - The "rename user script" has full responsibility for changing everything
1964 ***************************************************************************/
1965
1966 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1967 struct samu *old_acct,
1968 const char *newname)
1969 {
1970 const char *oldname;
1971 int rc;
1972 char *rename_script = NULL;
1973 fstring oldname_lower, newname_lower;
1974
1975 if (!old_acct) {
1976 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1977 return NT_STATUS_INVALID_PARAMETER;
1978 }
1979 if (!newname) {
1980 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1981 return NT_STATUS_INVALID_PARAMETER;
1982 }
1983
1984 oldname = pdb_get_username(old_acct);
1985
1986 /* rename the posix user */
1987 rename_script = SMB_STRDUP(lp_renameuser_script());
1988 if (rename_script == NULL) {
1989 return NT_STATUS_NO_MEMORY;
1990 }
1991
1992 if (!(*rename_script)) {
1993 SAFE_FREE(rename_script);
1994 return NT_STATUS_ACCESS_DENIED;
1995 }
1996
1997 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1998 oldname, newname));
1999
2000 /* We have to allow the account name to end with a '$'.
2001 Also, follow the semantics in _samr_create_user() and lower case the
2002 posix name but preserve the case in passdb */
2003
2004 fstrcpy( oldname_lower, oldname );
2005 strlower_m( oldname_lower );
2006 fstrcpy( newname_lower, newname );
2007 strlower_m( newname_lower );
2008 rename_script = realloc_string_sub2(rename_script,
2009 "%unew",
2010 newname_lower,
2011 true,
2012 true);
2013 if (!rename_script) {
2014 return NT_STATUS_NO_MEMORY;
2015 }
2016 rename_script = realloc_string_sub2(rename_script,
2017 "%uold",
2018 oldname_lower,
2019 true,
2020 true);
2021 rc = smbrun(rename_script, NULL);
2022
2023 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2024 rename_script, rc));
2025
2026 SAFE_FREE(rename_script);
2027
2028 if (rc == 0) {
2029 smb_nscd_flush_user_cache();
2030 }
2031
2032 if (rc)
2033 return NT_STATUS_UNSUCCESSFUL;
2034
2035 return NT_STATUS_OK;
2036 }
2037
2038 /**********************************************************************
2039 Helper function to determine for update_sam_account whether
2040 we need LDAP modification.
2041 *********************************************************************/
2042
2043 static bool element_is_set_or_changed(const struct samu *sampass,
2044 enum pdb_elements element)
2045 {
2046 return (IS_SAM_SET(sampass, element) ||
2047 IS_SAM_CHANGED(sampass, element));
2048 }
2049
2050 /**********************************************************************
2051 Add struct samu to LDAP.
2052 *********************************************************************/
2053
2054 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2055 {
2056 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2057 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2058 int rc;
2059 LDAPMessage *result = NULL;
2060 LDAPMessage *entry = NULL;
2061 LDAPMod **mods = NULL;
2062 int ldap_op = LDAP_MOD_REPLACE;
2063 uint32 num_result;
2064 const char **attr_list;
2065 char *escape_user = NULL;
2066 const char *username = pdb_get_username(newpwd);
2067 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2068 char *filter = NULL;
2069 char *dn = NULL;
2070 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2071 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2072
2073 if (!ctx) {
2074 return NT_STATUS_NO_MEMORY;
2075 }
2076
2077 if (!username || !*username) {
2078 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2079 status = NT_STATUS_INVALID_PARAMETER;
2080 goto fn_exit;
2081 }
2082
2083 /* free this list after the second search or in case we exit on failure */
2084 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2085
2086 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2087
2088 if (rc != LDAP_SUCCESS) {
2089 goto fn_exit;
2090 }
2091
2092 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2093 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2094 username));
2095 goto fn_exit;
2096 }
2097 ldap_msgfree(result);
2098 result = NULL;
2099
2100 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2101 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2102 sid, &result);
2103 if (rc == LDAP_SUCCESS) {
2104 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2105 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2106 "already in the base, with samba "
2107 "attributes\n", sid_string_dbg(sid)));
2108 goto fn_exit;
2109 }
2110 ldap_msgfree(result);
2111 result = NULL;
2112 }
2113 }
2114
2115 /* does the entry already exist but without a samba attributes?
2116 we need to return the samba attributes here */
2117
2118 escape_user = escape_ldap_string_alloc( username );
2119 filter = talloc_strdup(attr_list, "(uid=%u)");
2120 if (!filter) {
2121 status = NT_STATUS_NO_MEMORY;
2122 goto fn_exit;
2123 }
2124 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2125 if (!filter) {
2126 status = NT_STATUS_NO_MEMORY;
2127 goto fn_exit;
2128 }
2129 SAFE_FREE(escape_user);
2130
2131 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2132 filter, attr_list, &result);
2133 if ( rc != LDAP_SUCCESS ) {
2134 goto fn_exit;
2135 }
2136
2137 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2138
2139 if (num_result > 1) {
2140 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2141 goto fn_exit;
2142 }
2143
2144 /* Check if we need to update an existing entry */
2145 if (num_result == 1) {
2146 char *tmp;
2147
2148 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2149 ldap_op = LDAP_MOD_REPLACE;
2150 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2151 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2152 if (!tmp) {
2153 goto fn_exit;
2154 }
2155 dn = talloc_asprintf(ctx, "%s", tmp);
2156 SAFE_FREE(tmp);
2157 if (!dn) {
2158 status = NT_STATUS_NO_MEMORY;
2159 goto fn_exit;
2160 }
2161
2162 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2163
2164 /* There might be a SID for this account already - say an idmap entry */
2165
2166 filter = talloc_asprintf(ctx,
2167 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2168 get_userattr_key2string(ldap_state->schema_ver,
2169 LDAP_ATTR_USER_SID),
2170 sid_string_talloc(ctx, sid),
2171 LDAP_OBJ_IDMAP_ENTRY,
2172 LDAP_OBJ_SID_ENTRY);
2173 if (!filter) {
2174 status = NT_STATUS_NO_MEMORY;
2175 goto fn_exit;
2176 }
2177
2178 /* free old result before doing a new search */
2179 if (result != NULL) {
2180 ldap_msgfree(result);
2181 result = NULL;
2182 }
2183 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2184 filter, attr_list, &result);
2185
2186 if ( rc != LDAP_SUCCESS ) {
2187 goto fn_exit;
2188 }
2189
2190 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2191
2192 if (num_result > 1) {
2193 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2194 goto fn_exit;
2195 }
2196
2197 /* Check if we need to update an existing entry */
2198 if (num_result == 1) {
2199 char *tmp;
2200
2201 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2202 ldap_op = LDAP_MOD_REPLACE;
2203 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2204 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2205 if (!tmp) {
2206 goto fn_exit;
2207 }
2208 dn = talloc_asprintf(ctx, "%s", tmp);
2209 SAFE_FREE(tmp);
2210 if (!dn) {
2211 status = NT_STATUS_NO_MEMORY;
2212 goto fn_exit;
2213 }
2214 }
2215 }
2216
2217 if (num_result == 0) {
2218 char *escape_username;
2219 /* Check if we need to add an entry */
2220 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2221 ldap_op = LDAP_MOD_ADD;
2222
2223 escape_username = escape_rdn_val_string_alloc(username);
2224 if (!escape_username) {
2225 status = NT_STATUS_NO_MEMORY;
2226 goto fn_exit;
2227 }
2228
2229 if (username[strlen(username)-1] == '$') {
2230 dn = talloc_asprintf(ctx,
2231 "uid=%s,%s",
2232 escape_username,
2233 lp_ldap_machine_suffix());
2234 } else {
2235 dn = talloc_asprintf(ctx,
2236 "uid=%s,%s",
2237 escape_username,
2238 lp_ldap_user_suffix());
2239 }
2240
2241 SAFE_FREE(escape_username);
2242 if (!dn) {
2243 status = NT_STATUS_NO_MEMORY;
2244 goto fn_exit;
2245 }
2246 }
2247
2248 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2249 element_is_set_or_changed)) {
2250 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2251 if (mods != NULL) {
2252 ldap_mods_free(mods, true);
2253 }
2254 goto fn_exit;
2255 }
2256
2257 if (mods == NULL) {
2258 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2259 goto fn_exit;
2260 }
2261 switch ( ldap_state->schema_ver ) {
2262 case SCHEMAVER_SAMBAACCOUNT:
2263 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2264 break;
2265 case SCHEMAVER_SAMBASAMACCOUNT:
2266 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2267 break;
2268 default:
2269 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2270 break;
2271 }
2272
2273 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2274 if (!NT_STATUS_IS_OK(ret)) {
2275 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2276 pdb_get_username(newpwd),dn));
2277 ldap_mods_free(mods, true);
2278 goto fn_exit;
2279 }
2280
2281 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2282 ldap_mods_free(mods, true);
2283
2284 status = NT_STATUS_OK;
2285
2286 fn_exit:
2287
2288 TALLOC_FREE(ctx);
2289 SAFE_FREE(escape_user);
2290 if (result) {
2291 ldap_msgfree(result);
2292 }
2293 return status;
2294 }
2295
2296 /**********************************************************************
2297 *********************************************************************/
2298
2299 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2300 const char *filter,
2301 LDAPMessage ** result)
2302 {
2303 int scope = LDAP_SCOPE_SUBTREE;
2304 int rc;
2305 const char **attr_list;
2306
2307 attr_list = get_attr_list(NULL, groupmap_attr_list);
2308 rc = smbldap_search(ldap_state->smbldap_state,
2309 lp_ldap_group_suffix (), scope,
2310 filter, attr_list, 0, result);
2311 TALLOC_FREE(attr_list);
2312
2313 return rc;
2314 }
2315
2316 /**********************************************************************
2317 *********************************************************************/
2318
2319 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2320 GROUP_MAP *map, LDAPMessage *entry)
2321 {
2322 char *temp = NULL;
2323 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2324
2325 if (ldap_state == NULL || map == NULL || entry == NULL ||
2326 ldap_state->smbldap_state->ldap_struct == NULL) {
2327 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2328 TALLOC_FREE(ctx);
2329 return false;
2330 }
2331
2332 temp = smbldap_talloc_single_attribute(
2333 ldap_state->smbldap_state->ldap_struct,
2334 entry,
2335 get_attr_key2string(groupmap_attr_list,
2336 LDAP_ATTR_GIDNUMBER),
2337 ctx);
2338 if (!temp) {
2339 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2340 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2341 TALLOC_FREE(ctx);
2342 return false;
2343 }
2344 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2345
2346 map->gid = (gid_t)atol(temp);
2347
2348 TALLOC_FREE(temp);
2349 temp = smbldap_talloc_single_attribute(
2350 ldap_state->smbldap_state->ldap_struct,
2351 entry,
2352 get_attr_key2string(groupmap_attr_list,
2353 LDAP_ATTR_GROUP_SID),
2354 ctx);
2355 if (!temp) {
2356 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2357 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2358 TALLOC_FREE(ctx);
2359 return false;
2360 }
2361
2362 if (!string_to_sid(&map->sid, temp)) {
2363 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2364 TALLOC_FREE(ctx);
2365 return false;
2366 }
2367
2368 TALLOC_FREE(temp);
2369 temp = smbldap_talloc_single_attribute(
2370 ldap_state->smbldap_state->ldap_struct,
2371 entry,
2372 get_attr_key2string(groupmap_attr_list,
2373 LDAP_ATTR_GROUP_TYPE),
2374 ctx);
2375 if (!temp) {
2376 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2377 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2378 TALLOC_FREE(ctx);
2379 return false;
2380 }
2381 map->sid_name_use = (enum lsa_SidType)atol(temp);
2382
2383 if ((map->sid_name_use < SID_NAME_USER) ||
2384 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2385 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2386 TALLOC_FREE(ctx);
2387 return false;
2388 }
2389
2390 TALLOC_FREE(temp);
2391 temp = smbldap_talloc_single_attribute(
2392 ldap_state->smbldap_state->ldap_struct,
2393 entry,
2394 get_attr_key2string(groupmap_attr_list,
2395 LDAP_ATTR_DISPLAY_NAME),
2396 ctx);
2397 if (!temp) {
2398 temp = smbldap_talloc_single_attribute(
2399 ldap_state->smbldap_state->ldap_struct,
2400 entry,
2401 get_attr_key2string(groupmap_attr_list,
2402 LDAP_ATTR_CN),
2403 ctx);
2404 if (!temp) {
2405 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2406 for gidNumber(%lu)\n",(unsigned long)map->gid));
2407 TALLOC_FREE(ctx);
2408 return false;
2409 }
2410 }
2411 fstrcpy(map->nt_name, temp);
2412
2413 TALLOC_FREE(temp);
2414 temp = smbldap_talloc_single_attribute(
2415 ldap_state->smbldap_state->ldap_struct,
2416 entry,
2417 get_attr_key2string(groupmap_attr_list,
2418 LDAP_ATTR_DESC),
2419 ctx);
2420 if (!temp) {
2421 temp = talloc_strdup(ctx, "");
2422 if (!temp) {
2423 TALLOC_FREE(ctx);
2424 return false;
2425 }
2426 }
2427 fstrcpy(map->comment, temp);
2428
2429 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2430 store_gid_sid_cache(&map->sid, map->gid);
2431 }
2432
2433 TALLOC_FREE(ctx);
2434 return true;
2435 }
2436
2437 /**********************************************************************
2438 *********************************************************************/
2439
2440 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2441 const char *filter,
2442 GROUP_MAP *map)
2443 {
2444 struct ldapsam_privates *ldap_state =
2445 (struct ldapsam_privates *)methods->private_data;
2446 LDAPMessage *result = NULL;
2447 LDAPMessage *entry = NULL;
2448 int count;
2449
2450 if (ldapsam_search_one_group(ldap_state, filter, &result)
2451 != LDAP_SUCCESS) {
2452 return NT_STATUS_NO_SUCH_GROUP;
2453 }
2454
2455 count = ldap_count_entries(priv2ld(ldap_state), result);
2456
2457 if (count < 1) {
2458 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2459 "%s\n", filter));
2460 ldap_msgfree(result);
2461 return NT_STATUS_NO_SUCH_GROUP;
2462 }
2463
2464 if (count > 1) {
2465 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2466 "count=%d\n", filter, count));
2467 ldap_msgfree(result);
2468 return NT_STATUS_NO_SUCH_GROUP;
2469 }
2470
2471 entry = ldap_first_entry(priv2ld(ldap_state), result);
2472
2473 if (!entry) {
2474 ldap_msgfree(result);
2475 return NT_STATUS_UNSUCCESSFUL;
2476 }
2477
2478 if (!init_group_from_ldap(ldap_state, map, entry)) {
2479 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2480 "group filter %s\n", filter));
2481 ldap_msgfree(result);
2482 return NT_STATUS_NO_SUCH_GROUP;
2483 }
2484
2485 ldap_msgfree(result);
2486 return NT_STATUS_OK;
2487 }
2488
2489 /**********************************************************************
2490 *********************************************************************/
2491
2492 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2493 DOM_SID sid)
2494 {
2495 char *filter = NULL;
2496 NTSTATUS status;
2497 fstring tmp;
2498
2499 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2500 LDAP_OBJ_GROUPMAP,
2501 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2502 sid_to_fstring(tmp, &sid)) < 0) {
2503 return NT_STATUS_NO_MEMORY;
2504 }
2505
2506 status = ldapsam_getgroup(methods, filter, map);
2507 SAFE_FREE(filter);
2508 return status;
2509 }
2510
2511 /**********************************************************************
2512 *********************************************************************/
2513
2514 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2515 gid_t gid)
2516 {
2517 char *filter = NULL;
2518 NTSTATUS status;
2519
2520 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2521 LDAP_OBJ_GROUPMAP,
2522 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2523 (unsigned long)gid) < 0) {
2524 return NT_STATUS_NO_MEMORY;
2525 }
2526
2527 status = ldapsam_getgroup(methods, filter, map);
2528 SAFE_FREE(filter);
2529 return status;
2530 }
2531
2532 /**********************************************************************
2533 *********************************************************************/
2534
2535 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2536 const char *name)
2537 {
2538 char *filter = NULL;
2539 char *escape_name = escape_ldap_string_alloc(name);
2540 NTSTATUS status;
2541
2542 if (!escape_name) {
2543 return NT_STATUS_NO_MEMORY;
2544 }
2545
2546 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2547 LDAP_OBJ_GROUPMAP,
2548 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2549 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2550 escape_name) < 0) {
2551 SAFE_FREE(escape_name);
2552 return NT_STATUS_NO_MEMORY;
2553 }
2554
2555 SAFE_FREE(escape_name);
2556 status = ldapsam_getgroup(methods, filter, map);
2557 SAFE_FREE(filter);
2558 return status;
2559 }
2560
2561 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2562 LDAPMessage *entry,
2563 const DOM_SID *domain_sid,
2564 uint32 *rid)
2565 {
2566 fstring str;
2567 DOM_SID sid;
2568
2569 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2570 str, sizeof(str)-1)) {
2571 DEBUG(10, ("Could not find sambaSID attribute\n"));
2572 return False;
2573 }
2574
2575 if (!string_to_sid(&sid, str)) {
2576 DEBUG(10, ("Could not convert string %s to sid\n", str));
2577 return False;
2578 }
2579
2580 if (sid_compare_domain(&sid, domain_sid) != 0) {
2581 DEBUG(10, ("SID %s is not in expected domain %s\n",
2582 str, sid_string_dbg(domain_sid)));
2583 return False;
2584 }
2585
2586 if (!sid_peek_rid(&sid, rid)) {
2587 DEBUG(10, ("Could not peek into RID\n"));
2588 return False;
2589 }
2590
2591 return True;
2592 }
2593
2594 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2595 TALLOC_CTX *mem_ctx,
2596 const DOM_SID *group,
2597 uint32 **pp_member_rids,
2598 size_t *p_num_members)
2599 {
2600 struct ldapsam_privates *ldap_state =
2601 (struct ldapsam_privates *)methods->private_data;
2602 struct smbldap_state *conn = ldap_state->smbldap_state;
2603 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2604 const char *sid_attrs[] = { "sambaSID", NULL };
2605 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2606 LDAPMessage *result = NULL;
2607 LDAPMessage *entry;
2608 char *filter;
2609 char **values = NULL;
2610 char **memberuid;
2611 char *gidstr;
2612 int rc, count;
2613
2614 *pp_member_rids = NULL;
2615 *p_num_members = 0;
2616
2617 filter = talloc_asprintf(mem_ctx,
2618 "(&(objectClass=%s)"
2619 "(objectClass=%s)"
2620 "(sambaSID=%s))",
2621 LDAP_OBJ_POSIXGROUP,
2622 LDAP_OBJ_GROUPMAP,
2623 sid_string_talloc(mem_ctx, group));
2624 if (filter == NULL) {
2625 ret = NT_STATUS_NO_MEMORY;
2626 goto done;
2627 }
2628
2629 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2630 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2631 &result);
2632
2633 if (rc != LDAP_SUCCESS)
2634 goto done;
2635
2636 talloc_autofree_ldapmsg(mem_ctx, result);
2637
2638 count = ldap_count_entries(conn->ldap_struct, result);
2639
2640 if (count > 1) {
2641 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2642 sid_string_dbg(group)));
2643 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2644 goto done;
2645 }
2646
2647 if (count == 0) {
2648 ret = NT_STATUS_NO_SUCH_GROUP;
2649 goto done;
2650 }
2651
2652 entry = ldap_first_entry(conn->ldap_struct, result);
2653 if (entry == NULL)
2654 goto done;
2655
2656 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2657 if (!gidstr) {
2658 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2659 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2660 goto done;
2661 }
2662
2663 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2664
2665 if (values) {
2666
2667 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2668 if (filter == NULL) {
2669 ret = NT_STATUS_NO_MEMORY;
2670 goto done;
2671 }
2672
2673 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2674 char *escape_memberuid;
2675
2676 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2677 if (escape_memberuid == NULL) {
2678 ret = NT_STATUS_NO_MEMORY;
2679 goto done;
2680 }
2681
2682 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2683 if (filter == NULL) {
2684 SAFE_FREE(escape_memberuid);
2685 ret = NT_STATUS_NO_MEMORY;
2686 goto done;
2687 }
2688
2689 SAFE_FREE(escape_memberuid);
2690 }
2691
2692 filter = talloc_asprintf_append_buffer(filter, "))");
2693 if (filter == NULL) {
2694 ret = NT_STATUS_NO_MEMORY;
2695 goto done;
2696 }
2697
2698 rc = smbldap_search(conn, lp_ldap_suffix(),
2699 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2700 &result);
2701
2702 if (rc != LDAP_SUCCESS)
2703 goto done;
2704
2705 count = ldap_count_entries(conn->ldap_struct, result);
2706 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2707
2708 talloc_autofree_ldapmsg(mem_ctx, result);
2709
2710 for (entry = ldap_first_entry(conn->ldap_struct, result);
2711 entry != NULL;
2712 entry = ldap_next_entry(conn->ldap_struct, entry))
2713 {
2714 char *sidstr;
2715 DOM_SID sid;
2716 uint32 rid;
2717
2718 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2719 entry, "sambaSID",
2720 mem_ctx);
2721 if (!sidstr) {
2722 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2723 "the sambaSID attribute\n"));
2724 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2725 goto done;
2726 }
2727
2728 if (!string_to_sid(&sid, sidstr))
2729 goto done;
2730
2731 if (!sid_check_is_in_our_domain(&sid)) {
2732 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2733 "in our domain\n"));
2734 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2735 goto done;
2736 }
2737
2738 sid_peek_rid(&sid, &rid);
2739
2740 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2741 p_num_members)) {
2742 ret = NT_STATUS_NO_MEMORY;
2743 goto done;
2744 }
2745 }
2746 }
2747
2748 filter = talloc_asprintf(mem_ctx,
2749 "(&(objectClass=%s)"
2750 "(gidNumber=%s))",
2751 LDAP_OBJ_SAMBASAMACCOUNT,
2752 gidstr);
2753
2754 rc = smbldap_search(conn, lp_ldap_suffix(),
2755 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2756 &result);
2757
2758 if (rc != LDAP_SUCCESS)
2759 goto done;
2760
2761 talloc_autofree_ldapmsg(mem_ctx, result);
2762
2763 for (entry = ldap_first_entry(conn->ldap_struct, result);
2764 entry != NULL;
2765 entry = ldap_next_entry(conn->ldap_struct, entry))
2766 {
2767 uint32 rid;
2768
2769 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2770 entry,
2771 get_global_sam_sid(),
2772 &rid)) {
2773 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2774 "the sambaSID attribute\n"));
2775 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2776 goto done;
2777 }
2778
2779 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2780 p_num_members)) {
2781 ret = NT_STATUS_NO_MEMORY;
2782 goto done;
2783 }
2784 }
2785
2786 ret = NT_STATUS_OK;
2787
2788 done:
2789
2790 if (values)
2791 ldap_value_free(values);
2792
2793 return ret;
2794 }
2795
2796 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2797 TALLOC_CTX *mem_ctx,
2798 struct samu *user,
2799 DOM_SID **pp_sids,
2800 gid_t **pp_gids,
2801 size_t *p_num_groups)
2802 {
2803 struct ldapsam_privates *ldap_state =
2804 (struct ldapsam_privates *)methods->private_data;
2805 struct smbldap_state *conn = ldap_state->smbldap_state;
2806 char *filter;
2807 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2808 char *escape_name;
2809 int rc, count;
2810 LDAPMessage *result = NULL;
2811 LDAPMessage *entry;
2812 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2813 size_t num_sids, num_gids;
2814 char *gidstr;
2815 gid_t primary_gid = -1;
2816
2817 *pp_sids = NULL;
2818 num_sids = 0;
2819
2820 if (pdb_get_username(user) == NULL) {
2821 return NT_STATUS_INVALID_PARAMETER;
2822 }
2823
2824 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2825 if (escape_name == NULL)
2826 return NT_STATUS_NO_MEMORY;
2827
2828 /* retrieve the users primary gid */
2829 filter = talloc_asprintf(mem_ctx,
2830 "(&(objectClass=%s)(uid=%s))",
2831 LDAP_OBJ_SAMBASAMACCOUNT,
2832 escape_name);
2833 if (filter == NULL) {
2834 ret = NT_STATUS_NO_MEMORY;
2835 goto done;
2836 }
2837
2838 rc = smbldap_search(conn, lp_ldap_suffix(),
2839 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2840
2841 if (rc != LDAP_SUCCESS)
2842 goto done;
2843
2844 talloc_autofree_ldapmsg(mem_ctx, result);
2845
2846 count = ldap_count_entries(priv2ld(ldap_state), result);
2847
2848 switch (count) {
2849 case 0:
2850 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2851 ret = NT_STATUS_NO_SUCH_USER;
2852 goto done;
2853 case 1:
2854 entry = ldap_first_entry(priv2ld(ldap_state), result);
2855
2856 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2857 if (!gidstr) {
2858 DEBUG (1, ("Unable to find the member's gid!\n"));
2859 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2860 goto done;
2861 }
2862 primary_gid = strtoul(gidstr, NULL, 10);
2863 break;
2864 default:
2865 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2866 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2867 goto done;
2868 }
2869
2870 filter = talloc_asprintf(mem_ctx,
2871 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2872 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2873 if (filter == NULL) {
2874 ret = NT_STATUS_NO_MEMORY;
2875 goto done;
2876 }
2877
2878 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2879 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2880
2881 if (rc != LDAP_SUCCESS)
2882 goto done;
2883
2884 talloc_autofree_ldapmsg(mem_ctx, result);
2885
2886 num_gids = 0;
2887 *pp_gids = NULL;
2888
2889 num_sids = 0;
2890 *pp_sids = NULL;
2891
2892 /* We need to add the primary group as the first gid/sid */
2893
2894 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2895 ret = NT_STATUS_NO_MEMORY;
2896 goto done;
2897 }
2898
2899 /* This sid will be replaced later */
2900
2901 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2902 &num_sids);
2903 if (!NT_STATUS_IS_OK(ret)) {
2904 goto done;
2905 }
2906
2907 for (entry = ldap_first_entry(conn->ldap_struct, result);
2908 entry != NULL;
2909 entry = ldap_next_entry(conn->ldap_struct, entry))
2910 {
2911 fstring str;
2912 DOM_SID sid;
2913 gid_t gid;
2914 char *end;
2915
2916 if (!smbldap_get_single_attribute(conn->ldap_struct,
2917 entry, "sambaSID",
2918 str, sizeof(str)-1))
2919 continue;
2920
2921 if (!string_to_sid(&sid, str))
2922 goto done;
2923
2924 if (!smbldap_get_single_attribute(conn->ldap_struct,
2925 entry, "gidNumber",
2926 str, sizeof(str)-1))
2927 continue;
2928
2929 gid = strtoul(str, &end, 10);
2930
2931 if (PTR_DIFF(end, str) != strlen(str))
2932 goto done;
2933
2934 if (gid == primary_gid) {
2935 sid_copy(&(*pp_sids)[0], &sid);
2936 } else {
2937 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2938 &num_gids)) {
2939 ret = NT_STATUS_NO_MEMORY;
2940 goto done;
2941 }
2942 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2943 &num_sids);
2944 if (!NT_STATUS_IS_OK(ret)) {
2945 goto done;
2946 }
2947 }
2948 }
2949
2950 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2951 DEBUG(3, ("primary group of [%s] not found\n",
2952 pdb_get_username(user)));
2953 goto done;
2954 }
2955
2956 *p_num_groups = num_sids;
2957
2958 ret = NT_STATUS_OK;
2959
2960 done:
2961
2962 SAFE_FREE(escape_name);
2963 return ret;
2964 }
2965
2966 /**********************************************************************
2967 * Augment a posixGroup object with a sambaGroupMapping domgroup
2968 *********************************************************************/
2969
2970 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2971 struct ldapsam_privates *ldap_state,
2972 GROUP_MAP *map)
2973 {
2974 const char *filter, *dn;
2975 LDAPMessage *msg, *entry;
2976 LDAPMod **mods;
2977 int rc;
2978
2979 filter = talloc_asprintf(mem_ctx,
2980 "(&(objectClass=posixGroup)(gidNumber=%u))",
2981 map->gid);
2982 if (filter == NULL) {
2983 return NT_STATUS_NO_MEMORY;
2984 }
2985
2986 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2987 get_attr_list(mem_ctx, groupmap_attr_list),
2988 &msg);
2989 talloc_autofree_ldapmsg(mem_ctx, msg);
2990
2991 if ((rc != LDAP_SUCCESS) ||
2992 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2993 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2994 return NT_STATUS_NO_SUCH_GROUP;
2995 }
2996
2997 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2998 if (dn == NULL) {
2999 return NT_STATUS_NO_MEMORY;
3000 }
3001
3002 mods = NULL;
3003 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3004 "sambaGroupMapping");
3005 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3006 sid_string_talloc(mem_ctx, &map->sid));
3007 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3008 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3009 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3010 map->nt_name);
3011 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3012 map->comment);
3013 talloc_autofree_ldapmod(mem_ctx, mods);
3014
3015 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3016 if (rc != LDAP_SUCCESS) {
3017 return NT_STATUS_ACCESS_DENIED;
3018 }
3019
3020 return NT_STATUS_OK;
3021 }
3022
3023 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3024 GROUP_MAP *map)
3025 {
3026 struct ldapsam_privates *ldap_state =
3027 (struct ldapsam_privates *)methods->private_data;
3028 LDAPMessage *msg = NULL;
3029 LDAPMod **mods = NULL;
3030 const char *attrs[] = { NULL };
3031 char *filter;
3032
3033 char *dn;
3034 TALLOC_CTX *mem_ctx;
3035 NTSTATUS result;
3036
3037 DOM_SID sid;
3038
3039 int rc;
3040
3041 mem_ctx = talloc_new(NULL);
3042 if (mem_ctx == NULL) {
3043 DEBUG(0, ("talloc_new failed\n"));
3044 return NT_STATUS_NO_MEMORY;
3045 }
3046
3047 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3048 sid_string_talloc(mem_ctx, &map->sid));
3049 if (filter == NULL) {
3050 result = NT_STATUS_NO_MEMORY;
3051 goto done;
3052 }
3053
3054 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3055 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3056 talloc_autofree_ldapmsg(mem_ctx, msg);
3057
3058 if ((rc == LDAP_SUCCESS) &&
3059 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3060
3061 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3062 "group mapping entry\n", sid_string_dbg(&map->sid)));
3063 result = NT_STATUS_GROUP_EXISTS;
3064 goto done;
3065 }
3066
3067 switch (map->sid_name_use) {
3068
3069 case SID_NAME_DOM_GRP:
3070 /* To map a domain group we need to have a posix group
3071 to attach to. */
3072 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3073 goto done;
3074 break;
3075
3076 case SID_NAME_ALIAS:
3077 if (!sid_check_is_in_our_domain(&map->sid)
3078 && !sid_check_is_in_builtin(&map->sid) )
3079 {
3080 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3081 sid_string_dbg(&map->sid)));
3082 result = NT_STATUS_INVALID_PARAMETER;
3083 goto done;
3084 }
3085 break;
3086
3087 default:
3088 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3089 sid_type_lookup(map->sid_name_use)));
3090 result = NT_STATUS_INVALID_PARAMETER;
3091 goto done;
3092 }
3093
3094 /* Domain groups have been mapped in a separate routine, we have to
3095 * create an alias now */
3096
3097 if (map->gid == -1) {
3098 DEBUG(10, ("Refusing to map gid==-1\n"));
3099 result = NT_STATUS_INVALID_PARAMETER;
3100 goto done;
3101 }
3102
3103 if (pdb_gid_to_sid(map->gid, &sid)) {
3104 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3105 "add\n", map->gid, sid_string_dbg(&sid)));
3106 result = NT_STATUS_GROUP_EXISTS;
3107 goto done;
3108 }
3109
3110 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3111 * the best we can get out of LDAP. */
3112
3113 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3114 sid_string_talloc(mem_ctx, &map->sid),
3115 lp_ldap_group_suffix());
3116 if (dn == NULL) {
3117 result = NT_STATUS_NO_MEMORY;
3118 goto done;
3119 }
3120
3121 mods = NULL;
3122
3123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3124 "sambaSidEntry");
3125 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3126 "sambaGroupMapping");
3127
3128 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3129 sid_string_talloc(mem_ctx, &map->sid));
3130 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3131 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3133 map->nt_name);
3134 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3135 map->comment);
3136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3137 talloc_asprintf(mem_ctx, "%u", map->gid));
3138 talloc_autofree_ldapmod(mem_ctx, mods);
3139
3140 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3141
3142 result = (rc == LDAP_SUCCESS) ?
3143 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3144
3145 done:
3146 TALLOC_FREE(mem_ctx);
3147 return result;
3148 }
3149
3150 /**********************************************************************
3151 * Update a group mapping entry. We're quite strict about what can be changed:
3152 * Only the description and displayname may be changed. It simply does not
3153 * make any sense to change the SID, gid or the type in a mapping.
3154 *********************************************************************/
3155
3156 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3157 GROUP_MAP *map)
3158 {
3159 struct ldapsam_privates *ldap_state =
3160 (struct ldapsam_privates *)methods->private_data;
3161 int rc;
3162 const char *filter, *dn;
3163 LDAPMessage *msg = NULL;
3164 LDAPMessage *entry = NULL;
3165 LDAPMod **mods = NULL;
3166 TALLOC_CTX *mem_ctx;
3167 NTSTATUS result;
3168
3169 mem_ctx = talloc_new(NULL);
3170 if (mem_ctx == NULL) {
3171 DEBUG(0, ("talloc_new failed\n"));
3172 return NT_STATUS_NO_MEMORY;
3173 }
3174
3175 /* Make 100% sure that sid, gid and type are not changed by looking up
3176 * exactly the values we're given in LDAP. */
3177
3178 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3179 "(sambaSid=%s)(gidNumber=%u)"
3180 "(sambaGroupType=%d))",
3181 LDAP_OBJ_GROUPMAP,
3182 sid_string_talloc(mem_ctx, &map->sid),
3183 map->gid, map->sid_name_use);
3184 if (filter == NULL) {
3185 result = NT_STATUS_NO_MEMORY;
3186 goto done;
3187 }
3188
3189 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3190 get_attr_list(mem_ctx, groupmap_attr_list),
3191 &msg);
3192 talloc_autofree_ldapmsg(mem_ctx, msg);
3193
3194 if ((rc != LDAP_SUCCESS) ||
3195 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3196 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3197 result = NT_STATUS_NO_SUCH_GROUP;
3198 goto done;
3199 }
3200
3201 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3202
3203 if (dn == NULL) {
3204 result = NT_STATUS_NO_MEMORY;
3205 goto done;
3206 }
3207
3208 mods = NULL;
3209 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3210 map->nt_name);
3211 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3212 map->comment);
3213 talloc_autofree_ldapmod(mem_ctx, mods);
3214
3215 if (mods == NULL) {
3216 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3217 "nothing to do\n"));
3218 result = NT_STATUS_OK;
3219 goto done;
3220 }
3221
3222 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3223
3224 if (rc != LDAP_SUCCESS) {
3225 result = NT_STATUS_ACCESS_DENIED;
3226 goto done;
3227 }
3228
3229 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3230 "group %lu in LDAP\n", (unsigned long)map->gid));
3231
3232 result = NT_STATUS_OK;
3233
3234 done:
3235 TALLOC_FREE(mem_ctx);
3236 return result;
3237 }
3238
3239 /**********************************************************************
3240 *********************************************************************/
3241
3242 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3243 DOM_SID sid)
3244 {
3245 struct ldapsam_privates *priv =
3246 (struct ldapsam_privates *)methods->private_data;
3247 LDAPMessage *msg, *entry;
3248 int rc;
3249 NTSTATUS result;
3250 TALLOC_CTX *mem_ctx;
3251 char *filter;
3252
3253 mem_ctx = talloc_new(NULL);
3254 if (mem_ctx == NULL) {
3255 DEBUG(0, ("talloc_new failed\n"));
3256 return NT_STATUS_NO_MEMORY;
3257 }
3258
3259 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3260 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3261 sid_string_talloc(mem_ctx, &sid));
3262 if (filter == NULL) {
3263 result = NT_STATUS_NO_MEMORY;
3264 goto done;
3265 }
3266 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3267 get_attr_list(mem_ctx, groupmap_attr_list),
3268 &msg);
3269 talloc_autofree_ldapmsg(mem_ctx, msg);
3270
3271 if ((rc != LDAP_SUCCESS) ||
3272 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3273 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3274 result = NT_STATUS_NO_SUCH_GROUP;
3275 goto done;
3276 }
3277
3278 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3279 get_attr_list(mem_ctx,
3280 groupmap_attr_list_to_delete));
3281
3282 if ((rc == LDAP_NAMING_VIOLATION) ||
3283 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3284 const char *attrs[] = { "sambaGroupType", "description",
3285 "displayName", "sambaSIDList",
3286 NULL };
3287
3288 /* Second try. Don't delete the sambaSID attribute, this is
3289 for "old" entries that are tacked on a winbind
3290 sambaIdmapEntry. */
3291
3292 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3293 LDAP_OBJ_GROUPMAP, attrs);
3294 }
3295
3296 if ((rc == LDAP_NAMING_VIOLATION) ||
3297 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3298 const char *attrs[] = { "sambaGroupType", "description",
3299 "displayName", "sambaSIDList",
3300 "gidNumber", NULL };
3301
3302 /* Third try. This is a post-3.0.21 alias (containing only
3303 * sambaSidEntry and sambaGroupMapping classes), we also have
3304 * to delete the gidNumber attribute, only the sambaSidEntry
3305 * remains */
3306
3307 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3308 LDAP_OBJ_GROUPMAP, attrs);
3309 }
3310
3311 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3312
3313 done:
3314 TALLOC_FREE(mem_ctx);
3315 return result;
3316 }
3317
3318 /**********************************************************************
3319 *********************************************************************/
3320
3321 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3322 bool update)
3323 {
3324 struct ldapsam_privates *ldap_state =
3325 (struct ldapsam_privates *)my_methods->private_data;
3326 char *filter = NULL;
3327 int rc;
3328 const char **attr_list;
3329
3330 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3331 if (!filter) {
3332 return NT_STATUS_NO_MEMORY;
3333 }
3334 attr_list = get_attr_list( NULL, groupmap_attr_list );
3335 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3336 LDAP_SCOPE_SUBTREE, filter,
3337 attr_list, 0, &ldap_state->result);
3338 TALLOC_FREE(attr_list);
3339
3340 if (rc != LDAP_SUCCESS) {
3341 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3342 ldap_err2string(rc)));
3343 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3344 lp_ldap_group_suffix(), filter));
3345 ldap_msgfree(ldap_state->result);
3346 ldap_state->result = NULL;
3347 TALLOC_FREE(filter);
3348 return NT_STATUS_UNSUCCESSFUL;
3349 }
3350
3351 TALLOC_FREE(filter);
3352
3353 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3354 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3355 ldap_state->result)));
3356
3357 ldap_state->entry =
3358 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3359 ldap_state->result);
3360 ldap_state->index = 0;
3361
3362 return NT_STATUS_OK;
3363 }
3364
3365 /**********************************************************************
3366 *********************************************************************/
3367
3368 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3369 {
3370 ldapsam_endsampwent(my_methods);
3371 }
3372
3373 /**********************************************************************
3374 *********************************************************************/
3375
3376 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3377 GROUP_MAP *map)
3378 {
3379 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3380 struct ldapsam_privates *ldap_state =
3381 (struct ldapsam_privates *)my_methods->private_data;
3382 bool bret = False;
3383
3384 while (!bret) {
3385 if (!ldap_state->entry)
3386 return ret;
3387
3388 ldap_state->index++;
3389 bret = init_group_from_ldap(ldap_state, map,
3390 ldap_state->entry);
3391
3392 ldap_state->entry =
3393 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3394 ldap_state->entry);
3395 }
3396
3397 return NT_STATUS_OK;
3398 }
3399
3400 /**********************************************************************
3401 *********************************************************************/
3402
3403 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3404 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3405 GROUP_MAP **pp_rmap,
3406 size_t *p_num_entries,
3407 bool unix_only)
3408 {
3409 GROUP_MAP map;
3410 size_t entries = 0;
3411
3412 *p_num_entries = 0;
3413 *pp_rmap = NULL;
3414
3415 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3416 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3417 "passdb\n"));
3418 return NT_STATUS_ACCESS_DENIED;
3419 }
3420
3421 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3422 if (sid_name_use != SID_NAME_UNKNOWN &&
3423 sid_name_use != map.sid_name_use) {
3424 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3425 "not of the requested type\n", map.nt_name));
3426 continue;
3427 }
3428 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3429 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3430 "non mapped\n", map.nt_name));
3431 continue;
3432 }
3433
3434 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3435 if (!(*pp_rmap)) {
3436 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3437 "enlarge group map!\n"));
3438 return NT_STATUS_UNSUCCESSFUL;
3439 }
3440
3441 (*pp_rmap)[entries] = map;
3442
3443 entries += 1;
3444
3445 }
3446 ldapsam_endsamgrent(methods);
3447
3448 *p_num_entries = entries;
3449
3450 return NT_STATUS_OK;
3451 }
3452
3453 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3454 const DOM_SID *alias,
3455 const DOM_SID *member,
3456 int modop)
3457 {
3458 struct ldapsam_privates *ldap_state =
3459 (struct ldapsam_privates *)methods->private_data;
3460 char *dn = NULL;
3461 LDAPMessage *result = NULL;
3462 LDAPMessage *entry = NULL;
3463 int count;
3464 LDAPMod **mods = NULL;
3465 int rc;
3466 enum lsa_SidType type = SID_NAME_USE_NONE;
3467 fstring tmp;
3468
3469 char *filter = NULL;
3470
3471 if (sid_check_is_in_builtin(alias)) {
3472 type = SID_NAME_ALIAS;
3473 }
3474
3475 if (sid_check_is_in_our_domain(alias)) {
3476 type = SID_NAME_ALIAS;
3477 }
3478
3479 if (type == SID_NAME_USE_NONE) {
3480 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3481 sid_string_dbg(alias)));
3482 return NT_STATUS_NO_SUCH_ALIAS;
3483 }
3484
3485 if (asprintf(&filter,
3486 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3487 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3488 type) < 0) {
3489 return NT_STATUS_NO_MEMORY;
3490 }
3491
3492 if (ldapsam_search_one_group(ldap_state, filter,
3493 &result) != LDAP_SUCCESS) {
3494 SAFE_FREE(filter);
3495 return NT_STATUS_NO_SUCH_ALIAS;
3496 }
3497
3498 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3499 result);
3500
3501 if (count < 1) {
3502 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3503 ldap_msgfree(result);
3504 SAFE_FREE(filter);
3505 return NT_STATUS_NO_SUCH_ALIAS;
3506 }
3507
3508 if (count > 1) {
3509 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3510 "filter %s: count=%d\n", filter, count));
3511 ldap_msgfree(result);
3512 SAFE_FREE(filter);
3513 return NT_STATUS_NO_SUCH_ALIAS;
3514 }
3515
3516 SAFE_FREE(filter);
3517
3518 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3519 result);
3520
3521 if (!entry) {
3522 ldap_msgfree(result);
3523 return NT_STATUS_UNSUCCESSFUL;
3524 }
3525
3526 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3527 if (!dn) {
3528 ldap_msgfree(result);
3529 return NT_STATUS_UNSUCCESSFUL;
3530 }
3531
3532 smbldap_set_mod(&mods, modop,
3533 get_attr_key2string(groupmap_attr_list,
3534 LDAP_ATTR_SID_LIST),
3535 sid_to_fstring(tmp, member));
3536
3537 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3538
3539 ldap_mods_free(mods, True);
3540 ldap_msgfree(result);
3541 SAFE_FREE(dn);
3542
3543 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3544 return NT_STATUS_MEMBER_IN_ALIAS;
3545 }
3546
3547 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3548 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3549 }
3550
3551 if (rc != LDAP_SUCCESS) {
3552 return NT_STATUS_UNSUCCESSFUL;
3553 }
3554
3555 return NT_STATUS_OK;
3556 }
3557
3558 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3559 const DOM_SID *alias,
3560 const DOM_SID *member)
3561 {
3562 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3563 }
3564
3565 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3566 const DOM_SID *alias,
3567 const DOM_SID *member)
3568 {
3569 return ldapsam_modify_aliasmem(methods, alias, member,
3570 LDAP_MOD_DELETE);
3571 }
3572
3573 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3574 const DOM_SID *alias,
3575 DOM_SID **pp_members,
3576 size_t *p_num_members)
3577 {
3578 struct ldapsam_privates *ldap_state =
3579 (struct ldapsam_privates *)methods->private_data;
3580 LDAPMessage *result = NULL;
3581 LDAPMessage *entry = NULL;
3582 int count;
3583 char **values = NULL;
3584 int i;
3585 char *filter = NULL;
3586 size_t num_members = 0;
3587 enum lsa_SidType type = SID_NAME_USE_NONE;
3588 fstring tmp;
3589
3590 *pp_members = NULL;
3591 *p_num_members = 0;
3592
3593 if (sid_check_is_in_builtin(alias)) {
3594 type = SID_NAME_ALIAS;
3595 }
3596
3597 if (sid_check_is_in_our_domain(alias)) {
3598 type = SID_NAME_ALIAS;
3599 }
3600
3601 if (type == SID_NAME_USE_NONE) {
3602 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3603 sid_string_dbg(alias)));
3604 return NT_STATUS_NO_SUCH_ALIAS;
3605 }
3606
3607 if (asprintf(&filter,
3608 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3609 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3610 type) < 0) {
3611 return NT_STATUS_NO_MEMORY;
3612 }
3613
3614 if (ldapsam_search_one_group(ldap_state, filter,
3615 &result) != LDAP_SUCCESS) {
3616 SAFE_FREE(filter);
3617 return NT_STATUS_NO_SUCH_ALIAS;
3618 }
3619
3620 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3621 result);
3622
3623 if (count < 1) {
3624 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3625 ldap_msgfree(result);
3626 SAFE_FREE(filter);
3627 return NT_STATUS_NO_SUCH_ALIAS;
3628 }
3629
3630 if (count > 1) {
3631 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3632 "filter %s: count=%d\n", filter, count));
3633 ldap_msgfree(result);
3634 SAFE_FREE(filter);
3635 return NT_STATUS_NO_SUCH_ALIAS;
3636 }
3637
3638 SAFE_FREE(filter);
3639
3640 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3641 result);
3642
3643 if (!entry) {
3644 ldap_msgfree(result);
3645 return NT_STATUS_UNSUCCESSFUL;
3646 }
3647
3648 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3649 entry,
3650 get_attr_key2string(groupmap_attr_list,
3651 LDAP_ATTR_SID_LIST));
3652
3653 if (values == NULL) {
3654 ldap_msgfree(result);
3655 return NT_STATUS_OK;
3656 }
3657
3658 count = ldap_count_values(values);
3659
3660 for (i=0; i<count; i++) {
3661 DOM_SID member;
3662 NTSTATUS status;
3663
3664 if (!string_to_sid(&member, values[i]))
3665 continue;
3666
3667 status = add_sid_to_array(NULL, &member, pp_members,
3668 &num_members);
3669 if (!NT_STATUS_IS_OK(status)) {
3670 ldap_value_free(values);
3671 ldap_msgfree(result);
3672 return status;
3673 }
3674 }
3675
3676 *p_num_members = num_members;
3677 ldap_value_free(values);
3678 ldap_msgfree(result);
3679
3680 return NT_STATUS_OK;
3681 }
3682
3683 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3684 TALLOC_CTX *mem_ctx,
3685 const DOM_SID *domain_sid,
3686 const DOM_SID *members,
3687 size_t num_members,
3688 uint32 **pp_alias_rids,
3689 size_t *p_num_alias_rids)
3690 {
3691 struct ldapsam_privates *ldap_state =
3692 (struct ldapsam_privates *)methods->private_data;
3693 LDAP *ldap_struct;
3694
3695 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3696
3697 LDAPMessage *result = NULL;
3698 LDAPMessage *entry = NULL;
3699 int i;
3700 int rc;
3701 char *filter;
3702 enum lsa_SidType type = SID_NAME_USE_NONE;
3703
3704 if (sid_check_is_builtin(domain_sid)) {
3705 type = SID_NAME_ALIAS;
3706 }
3707
3708 if (sid_check_is_domain(domain_sid)) {
3709 type = SID_NAME_ALIAS;
3710 }
3711
3712 if (type == SID_NAME_USE_NONE) {
3713 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3714 sid_string_dbg(domain_sid)));
3715 return NT_STATUS_UNSUCCESSFUL;
3716 }
3717
3718 filter = talloc_asprintf(mem_ctx,
3719 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3720 LDAP_OBJ_GROUPMAP, type);
3721
3722 for (i=0; i<num_members; i++)
3723 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3724 filter,
3725 sid_string_talloc(mem_ctx,
3726 &members[i]));
3727
3728 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3729
3730 if (filter == NULL) {
3731 return NT_STATUS_NO_MEMORY;
3732 }
3733
3734 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3735 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3736
3737 if (rc != LDAP_SUCCESS)
3738 return NT_STATUS_UNSUCCESSFUL;
3739
3740 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3741
3742 for (entry = ldap_first_entry(ldap_struct, result);
3743 entry != NULL;
3744 entry = ldap_next_entry(ldap_struct, entry))
3745 {
3746 fstring sid_str;
3747 DOM_SID sid;
3748 uint32 rid;
3749
3750 if (!smbldap_get_single_attribute(ldap_struct, entry,
3751 LDAP_ATTRIBUTE_SID,
3752 sid_str,
3753 sizeof(sid_str)-1))
3754 continue;
3755
3756 if (!string_to_sid(&sid, sid_str))
3757 continue;
3758
3759 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3760 continue;
3761
3762 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3763 p_num_alias_rids)) {
3764 ldap_msgfree(result);
3765 return NT_STATUS_NO_MEMORY;
3766 }
3767 }
3768
3769 ldap_msgfree(result);
3770 return NT_STATUS_OK;
3771 }
3772
3773 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3774 int policy_index,
3775 uint32 value)
3776 {
3777 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3778 int rc;
3779 LDAPMod **mods = NULL;
3780 fstring value_string;
3781 const char *policy_attr = NULL;
3782
3783 struct ldapsam_privates *ldap_state =
3784 (struct ldapsam_privates *)methods->private_data;
3785
3786 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3787
3788 if (!ldap_state->domain_dn) {
3789 return NT_STATUS_INVALID_PARAMETER;
3790 }
3791
3792 policy_attr = get_account_policy_attr(policy_index);
3793 if (policy_attr == NULL) {
3794 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3795 "policy\n"));
3796 return ntstatus;
3797 }
3798
3799 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3800
3801 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3802
3803 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3804 mods);
3805
3806 ldap_mods_free(mods, True);
3807
3808 if (rc != LDAP_SUCCESS) {
3809 return ntstatus;
3810 }
3811
3812 if (!cache_account_policy_set(policy_index, value)) {
3813 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3814 "update local tdb cache\n"));
3815 return ntstatus;
3816 }
3817
3818 return NT_STATUS_OK;
3819 }
3820
3821 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3822 int policy_index, uint32 value)
3823 {
3824 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3825 value);
3826 }
3827
3828 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3829 int policy_index,
3830 uint32 *value)
3831 {
3832 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3833 LDAPMessage *result = NULL;
3834 LDAPMessage *entry = NULL;
3835 int count;
3836 int rc;
3837 char **vals = NULL;
3838 const char *policy_attr = NULL;
3839
3840 struct ldapsam_privates *ldap_state =
3841 (struct ldapsam_privates *)methods->private_data;
3842
3843 const char *attrs[2];
3844
3845 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3846
3847 if (!ldap_state->domain_dn) {
3848 return NT_STATUS_INVALID_PARAMETER;
3849 }
3850
3851 policy_attr = get_account_policy_attr(policy_index);
3852 if (!policy_attr) {
3853 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3854 "policy index: %d\n", policy_index));
3855 return ntstatus;
3856 }
3857
3858 attrs[0] = policy_attr;
3859 attrs[1] = NULL;
3860
3861 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3862 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3863 &result);
3864
3865 if (rc != LDAP_SUCCESS) {
3866 return ntstatus;
3867 }
3868
3869 count = ldap_count_entries(priv2ld(ldap_state), result);
3870 if (count < 1) {
3871 goto out;
3872 }
3873
3874 entry = ldap_first_entry(priv2ld(ldap_state), result);
3875 if (entry == NULL) {
3876 goto out;
3877 }
3878
3879 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3880 if (vals == NULL) {
3881 goto out;
3882 }
3883
3884 *value = (uint32)atol(vals[0]);
3885
3886 ntstatus = NT_STATUS_OK;
3887
3888 out:
3889 if (vals)
3890 ldap_value_free(vals);
3891 ldap_msgfree(result);
3892
3893 return ntstatus;
3894 }
3895
3896 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3897
3898 - if user hasn't decided to use account policies inside LDAP just reuse the
3899 old tdb values
3900
3901 - if there is a valid cache entry, return that
3902 - if there is an LDAP entry, update cache and return
3903 - otherwise set to default, update cache and return
3904
3905 Guenther
3906 */
3907 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3908 int policy_index, uint32 *value)
3909 {
3910 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3911
3912 if (cache_account_policy_get(policy_index, value)) {
3913 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3914 "cache\n"));
3915 return NT_STATUS_OK;
3916 }
3917
3918 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3919 value);
3920 if (NT_STATUS_IS_OK(ntstatus)) {
3921 goto update_cache;
3922 }
3923
3924 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3925 "ldap\n"));
3926
3927 #if 0
3928 /* should we automagically migrate old tdb value here ? */
3929 if (account_policy_get(policy_index, value))
3930 goto update_ldap;
3931
3932 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3933 "default\n", policy_index));
3934 #endif
3935
3936 if (!account_policy_get_default(policy_index, value)) {
3937 return ntstatus;
3938 }
3939
3940 /* update_ldap: */
3941
3942 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3943 if (!NT_STATUS_IS_OK(ntstatus)) {
3944 return ntstatus;
3945 }
3946
3947 update_cache:
3948
3949 if (!cache_account_policy_set(policy_index, *value)) {
3950 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3951 "tdb as a cache\n"));
3952 return NT_STATUS_UNSUCCESSFUL;
3953 }
3954
3955 return NT_STATUS_OK;
3956 }
3957
3958 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3959 const DOM_SID *domain_sid,
3960 int num_rids,
3961 uint32 *rids,
3962 const char **names,
3963 enum lsa_SidType *attrs)
3964 {
3965 struct ldapsam_privates *ldap_state =
3966 (struct ldapsam_privates *)methods->private_data;
3967 LDAPMessage *msg = NULL;
3968 LDAPMessage *entry;
3969 char *allsids = NULL;
3970 int i, rc, num_mapped;
3971 NTSTATUS result = NT_STATUS_NO_MEMORY;
3972 TALLOC_CTX *mem_ctx;
3973 LDAP *ld;
3974 bool is_builtin;
3975
3976 mem_ctx = talloc_new(NULL);
3977 if (mem_ctx == NULL) {
3978 DEBUG(0, ("talloc_new failed\n"));
3979 goto done;
3980 }
3981
3982 if (!sid_check_is_builtin(domain_sid) &&
3983 !sid_check_is_domain(domain_sid)) {
3984 result = NT_STATUS_INVALID_PARAMETER;
3985 goto done;
3986 }
3987
3988 for (i=0; i<num_rids; i++)
3989 attrs[i] = SID_NAME_UNKNOWN;
3990
3991 allsids = talloc_strdup(mem_ctx, "");
3992 if (allsids == NULL) {
3993 goto done;
3994 }
3995
3996 for (i=0; i<num_rids; i++) {
3997 DOM_SID sid;
3998 sid_compose(&sid, domain_sid, rids[i]);
3999 allsids = talloc_asprintf_append_buffer(
4000 allsids, "(sambaSid=%s)",
4001 sid_string_talloc(mem_ctx, &sid));
4002 if (allsids == NULL) {
4003 goto done;
4004 }
4005 }
4006
4007 /* First look for users */
4008
4009 {
4010 char *filter;
4011 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4012
4013 filter = talloc_asprintf(
4014 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4015 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4016
4017 if (filter == NULL) {
4018 goto done;
4019 }
4020
4021 rc = smbldap_search(ldap_state->smbldap_state,
4022 lp_ldap_user_suffix(),
4023 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4024 &msg);
4025 talloc_autofree_ldapmsg(mem_ctx, msg);
4026 }
4027
4028 if (rc != LDAP_SUCCESS)
4029 goto done;
4030
4031 ld = ldap_state->smbldap_state->ldap_struct;
4032 num_mapped = 0;
4033
4034 for (entry = ldap_first_entry(ld, msg);
4035 entry != NULL;
4036 entry = ldap_next_entry(ld, entry)) {
4037 uint32 rid;
4038 int rid_index;
4039 const char *name;
4040
4041 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4042 &rid)) {
4043 DEBUG(2, ("Could not find sid from ldap entry\n"));
4044 continue;
4045 }
4046
4047 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4048 names);
4049 if (name == NULL) {
4050 DEBUG(2, ("Could not retrieve uid attribute\n"));
4051 continue;
4052 }
4053
4054 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4055 if (rid == rids[rid_index])
4056 break;
4057 }
4058
4059 if (rid_index == num_rids) {
4060 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4061 continue;
4062 }
4063
4064 attrs[rid_index] = SID_NAME_USER;
4065 names[rid_index] = name;
4066 num_mapped += 1;
4067 }
4068
4069 if (num_mapped == num_rids) {
4070 /* No need to look for groups anymore -- we're done */
4071 result = NT_STATUS_OK;
4072 goto done;
4073 }
4074
4075 /* Same game for groups */
4076
4077 {
4078 char *filter;
4079 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4080 "sambaGroupType", NULL };
4081
4082 filter = talloc_asprintf(
4083 mem_ctx, "(&(objectClass=%s)(|%s))",
4084 LDAP_OBJ_GROUPMAP, allsids);
4085 if (filter == NULL) {
4086 goto done;
4087 }
4088
4089 rc = smbldap_search(ldap_state->smbldap_state,
4090 lp_ldap_group_suffix(),
4091 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4092 &msg);
4093 talloc_autofree_ldapmsg(mem_ctx, msg);
4094 }
4095
4096 if (rc != LDAP_SUCCESS)
4097 goto done;
4098
4099 /* ldap_struct might have changed due to a reconnect */
4100
4101 ld = ldap_state->smbldap_state->ldap_struct;
4102
4103 /* For consistency checks, we already checked we're only domain or builtin */
4104
4105 is_builtin = sid_check_is_builtin(domain_sid);
4106
4107 for (entry = ldap_first_entry(ld, msg);
4108 entry != NULL;
4109 entry = ldap_next_entry(ld, entry))
4110 {
4111 uint32 rid;
4112 int rid_index;
4113 const char *attr;
4114 enum lsa_SidType type;
4115 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4116
4117 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4118 mem_ctx);
4119 if (attr == NULL) {
4120 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4121 dn));
4122 continue;
4123 }
4124
4125 type = (enum lsa_SidType)atol(attr);
4126
4127 /* Consistency checks */
4128 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4129 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4130 (type != SID_NAME_DOM_GRP)))) {
4131 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4132 }
4133
4134 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4135 &rid)) {
4136 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4137 continue;
4138 }
4139
4140 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4141
4142 if (attr == NULL) {
4143 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4144 dn));
4145 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4146 }
4147
4148 if (attr == NULL) {
4149 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4150 dn));
4151 continue;
4152 }
4153
4154 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4155 if (rid == rids[rid_index])
4156 break;
4157 }
4158
4159 if (rid_index == num_rids) {
4160 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4161 continue;
4162 }
4163
4164 attrs[rid_index] = type;
4165 names[rid_index] = attr;
4166 num_mapped += 1;
4167 }
4168
4169 result = NT_STATUS_NONE_MAPPED;
4170
4171 if (num_mapped > 0)
4172 result = (num_mapped == num_rids) ?
4173 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4174 done:
4175 TALLOC_FREE(mem_ctx);
4176 return result;
4177 }
4178
4179 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4180 {
4181 char *filter = NULL;
4182 char *escaped = NULL;
4183 char *result = NULL;
4184
4185 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
4186 "(uid=%u)");
4187 if (filter == NULL) goto done;
4188
4189 escaped = escape_ldap_string_alloc(username);
4190 if (escaped == NULL) goto done;
4191
4192 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4193
4194 done:
4195 SAFE_FREE(filter);
4196 SAFE_FREE(escaped);
4197
4198 return result;
4199 }
4200
4201 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4202 {
4203 int i, num = 0;
4204 va_list ap;
4205 const char **result;
4206
4207 va_start(ap, mem_ctx);
4208 while (va_arg(ap, const char *) != NULL)
4209 num += 1;
4210 va_end(ap);
4211
4212 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4213 return NULL;
4214 }
4215
4216 va_start(ap, mem_ctx);
4217 for (i=0; i<num; i++) {
4218 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4219 if (result[i] == NULL) {
4220 talloc_free(result);
4221 return NULL;
4222 }
4223 }
4224 va_end(ap);
4225
4226 result[num] = NULL;
4227 return result;
4228 }
4229
4230 struct ldap_search_state {
4231 struct smbldap_state *connection;
4232
4233 uint32 acct_flags;
4234 uint16 group_type;
4235
4236 const char *base;
4237 int scope;
4238 const char *filter;
4239 const char **attrs;
4240 int attrsonly;
4241 void *pagedresults_cookie;
4242
4243 LDAPMessage *entries, *current_entry;
4244 bool (*ldap2displayentry)(struct ldap_search_state *state,
4245 TALLOC_CTX *mem_ctx,
4246 LDAP *ld, LDAPMessage *entry,
4247 struct samr_displayentry *result);
4248 };
4249
4250 static bool ldapsam_search_firstpage(struct pdb_search *search)
4251 {
4252 struct ldap_search_state *state =
4253 (struct ldap_search_state *)search->private_data;
4254 LDAP *ld;
4255 int rc = LDAP_OPERATIONS_ERROR;
4256
4257 state->entries = NULL;
4258
4259 if (state->connection->paged_results) {
4260 rc = smbldap_search_paged(state->connection, state->base,
4261 state->scope, state->filter,
4262 state->attrs, state->attrsonly,
4263 lp_ldap_page_size(), &state->entries,
4264 &state->pagedresults_cookie);
4265 }
4266
4267 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4268
4269 if (state->entries != NULL) {
4270 /* Left over from unsuccessful paged attempt */
4271 ldap_msgfree(state->entries);
4272 state->entries = NULL;
4273 }
4274
4275 rc = smbldap_search(state->connection, state->base,
4276 state->scope, state->filter, state->attrs,
4277 state->attrsonly, &state->entries);
4278
4279 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4280 return False;
4281
4282 /* Ok, the server was lying. It told us it could do paged
4283 * searches when it could not. */
4284 state->connection->paged_results = False;
4285 }
4286
4287 ld = state->connection->ldap_struct;
4288 if ( ld == NULL) {
4289 DEBUG(5, ("Don't have an LDAP connection right after a "
4290 "search\n"));
4291 return False;
4292 }
4293 state->current_entry = ldap_first_entry(ld, state->entries);
4294
4295 if (state->current_entry == NULL) {
4296 ldap_msgfree(state->entries);
4297 state->entries = NULL;
4298 }
4299
4300 return True;
4301 }
4302
4303 static bool ldapsam_search_nextpage(struct pdb_search *search)
4304 {
4305 struct ldap_search_state *state =
4306 (struct ldap_search_state *)search->private_data;
4307 int rc;
4308
4309 if (!state->connection->paged_results) {
4310 /* There is no next page when there are no paged results */
4311 return False;
4312 }
4313
4314 rc = smbldap_search_paged(state->connection, state->base,
4315 state->scope, state->filter, state->attrs,
4316 state->attrsonly, lp_ldap_page_size(),
4317 &state->entries,
4318 &state->pagedresults_cookie);
4319
4320 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4321 return False;
4322
4323 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4324
4325 if (state->current_entry == NULL) {
4326 ldap_msgfree(state->entries);
4327 state->entries = NULL;
4328 }
4329
4330 return True;
4331 }
4332
4333 static bool ldapsam_search_next_entry(struct pdb_search *search,
4334 struct samr_displayentry *entry)
4335 {
4336 struct ldap_search_state *state =
4337 (struct ldap_search_state *)search->private_data;
4338 bool result;
4339
4340 retry:
4341 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4342 return False;
4343
4344 if ((state->entries == NULL) &&
4345 !ldapsam_search_nextpage(search))
4346 return False;
4347
4348 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4349 state->current_entry, entry);
4350
4351 if (!result) {
4352 char *dn;
4353 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4354 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4355 if (dn != NULL) ldap_memfree(dn);
4356 }
4357
4358 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4359
4360 if (state->current_entry == NULL) {
4361 ldap_msgfree(state->entries);
4362 state->entries = NULL;
4363 }
4364
4365 if (!result) goto retry;
4366
4367 return True;
4368 }
4369
4370 static void ldapsam_search_end(struct pdb_search *search)
4371 {
4372 struct ldap_search_state *state =
4373 (struct ldap_search_state *)search->private_data;
4374 int rc;
4375
4376 if (state->pagedresults_cookie == NULL)
4377 return;
4378
4379 if (state->entries != NULL)
4380 ldap_msgfree(state->entries);
4381
4382 state->entries = NULL;
4383 state->current_entry = NULL;
4384
4385 if (!state->connection->paged_results)
4386 return;
4387
4388 /* Tell the LDAP server we're not interested in the rest anymore. */
4389
4390 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4391 state->filter, state->attrs,
4392 state->attrsonly, 0, &state->entries,
4393 &state->pagedresults_cookie);
4394
4395 if (rc != LDAP_SUCCESS)
4396 DEBUG(5, ("Could not end search properly\n"));
4397
4398 return;
4399 }
4400
4401 static bool ldapuser2displayentry(struct ldap_search_state *state,
4402 TALLOC_CTX *mem_ctx,
4403 LDAP *ld, LDAPMessage *entry,
4404 struct samr_displayentry *result)
4405 {
4406 char **vals;
4407 DOM_SID sid;
4408 uint32 acct_flags;
4409
4410 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4411 if ((vals == NULL) || (vals[0] == NULL)) {
4412 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4413 return False;
4414 }
4415 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4416 ldap_value_free(vals);
4417
4418 if ((state->acct_flags != 0) &&
4419 ((state->acct_flags & acct_flags) == 0))
4420 return False;
4421
4422 result->acct_flags = acct_flags;
4423 result->account_name = "";
4424 result->fullname = "";
4425 result->description = "";
4426
4427 vals = ldap_get_values(ld, entry, "uid");
4428 if ((vals == NULL) || (vals[0] == NULL)) {
4429 DEBUG(5, ("\"uid\" not found\n"));
4430 return False;
4431 }
4432 pull_utf8_talloc(mem_ctx,
4433 CONST_DISCARD(char **, &result->account_name),
4434 vals[0]);
4435 ldap_value_free(vals);
4436
4437 vals = ldap_get_values(ld, entry, "displayName");
4438 if ((vals == NULL) || (vals[0] == NULL))
4439 DEBUG(8, ("\"displayName\" not found\n"));
4440 else
4441 pull_utf8_talloc(mem_ctx,
4442 CONST_DISCARD(char **, &result->fullname),
4443 vals[0]);
4444 ldap_value_free(vals);
4445
4446 vals = ldap_get_values(ld, entry, "description");
4447 if ((vals == NULL) || (vals[0] == NULL))
4448 DEBUG(8, ("\"description\" not found\n"));
4449 else
4450 pull_utf8_talloc(mem_ctx,
4451 CONST_DISCARD(char **, &result->description),
4452 vals[0]);
4453 ldap_value_free(vals);
4454
4455 if ((result->account_name == NULL) ||
4456 (result->fullname == NULL) ||
4457 (result->description == NULL)) {
4458 DEBUG(0, ("talloc failed\n"));
4459 return False;
4460 }
4461
4462 vals = ldap_get_values(ld, entry, "sambaSid");
4463 if ((vals == NULL) || (vals[0] == NULL)) {
4464 DEBUG(0, ("\"objectSid\" not found\n"));
4465 return False;
4466 }
4467
4468 if (!string_to_sid(&sid, vals[0])) {
4469 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4470 ldap_value_free(vals);
4471 return False;
4472 }
4473 ldap_value_free(vals);
4474
4475 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4476 DEBUG(0, ("sid %s does not belong to our domain\n",
4477 sid_string_dbg(&sid)));
4478 return False;
4479 }
4480
4481 return True;
4482 }
4483
4484
4485 static bool ldapsam_search_users(struct pdb_methods *methods,
4486 struct pdb_search *search,
4487 uint32 acct_flags)
4488 {
4489 struct ldapsam_privates *ldap_state =
4490 (struct ldapsam_privates *)methods->private_data;
4491 struct ldap_search_state *state;
4492
4493 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4494 if (state == NULL) {
4495 DEBUG(0, ("talloc failed\n"));
4496 return False;
4497 }
4498
4499 state->connection = ldap_state->smbldap_state;
4500
4501 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4502 state->base = lp_ldap_user_suffix();
4503 else if ((acct_flags != 0) &&
4504 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4505 state->base = lp_ldap_machine_suffix();
4506 else
4507 state->base = lp_ldap_suffix();
4508
4509 state->acct_flags = acct_flags;
4510 state->base = talloc_strdup(search->mem_ctx, state->base);
4511 state->scope = LDAP_SCOPE_SUBTREE;
4512 state->filter = get_ldap_filter(search->mem_ctx, "*");
4513 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4514 "displayName", "description",
4515 "sambaAcctFlags", NULL);
4516 state->attrsonly = 0;
4517 state->pagedresults_cookie = NULL;
4518 state->entries = NULL;
4519 state->ldap2displayentry = ldapuser2displayentry;
4520
4521 if ((state->filter == NULL) || (state->attrs == NULL)) {
4522 DEBUG(0, ("talloc failed\n"));
4523 return False;
4524 }
4525
4526 search->private_data = state;
4527 search->next_entry = ldapsam_search_next_entry;
4528 search->search_end = ldapsam_search_end;
4529
4530 return ldapsam_search_firstpage(search);
4531 }
4532
4533 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4534 TALLOC_CTX *mem_ctx,
4535 LDAP *ld, LDAPMessage *entry,
4536 struct samr_displayentry *result)
4537 {
4538 char **vals;
4539 DOM_SID sid;
4540 uint16 group_type;
4541
4542 result->account_name = "";
4543 result->fullname = "";
4544 result->description = "";
4545
4546
4547 vals = ldap_get_values(ld, entry, "sambaGroupType");
4548 if ((vals == NULL) || (vals[0] == NULL)) {
4549 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4550 if (vals != NULL) {
4551 ldap_value_free(vals);
4552 }
4553 return False;
4554 }
4555
4556 group_type = atoi(vals[0]);
4557
4558 if ((state->group_type != 0) &&
4559 ((state->group_type != group_type))) {
4560 ldap_value_free(vals);
4561 return False;
4562 }
4563
4564 ldap_value_free(vals);
4565
4566 /* display name is the NT group name */
4567
4568 vals = ldap_get_values(ld, entry, "displayName");
4569 if ((vals == NULL) || (vals[0] == NULL)) {
4570 DEBUG(8, ("\"displayName\" not found\n"));
4571
4572 /* fallback to the 'cn' attribute */
4573 vals = ldap_get_values(ld, entry, "cn");
4574 if ((vals == NULL) || (vals[0] == NULL)) {
4575 DEBUG(5, ("\"cn\" not found\n"));
4576 return False;
4577 }
4578 pull_utf8_talloc(mem_ctx,
4579 CONST_DISCARD(char **, &result->account_name),
4580 vals[0]);
4581 }
4582 else {
4583 pull_utf8_talloc(mem_ctx,
4584 CONST_DISCARD(char **, &result->account_name),
4585 vals[0]);
4586 }
4587
4588 ldap_value_free(vals);
4589
4590 vals = ldap_get_values(ld, entry, "description");
4591 if ((vals == NULL) || (vals[0] == NULL))
4592 DEBUG(8, ("\"description\" not found\n"));
4593 else
4594 pull_utf8_talloc(mem_ctx,
4595 CONST_DISCARD(char **, &result->description),
4596 vals[0]);
4597 ldap_value_free(vals);
4598
4599 if ((result->account_name == NULL) ||
4600 (result->fullname == NULL) ||
4601 (result->description == NULL)) {
4602 DEBUG(0, ("talloc failed\n"));
4603 return False;
4604 }
4605
4606 vals = ldap_get_values(ld, entry, "sambaSid");
4607 if ((vals == NULL) || (vals[0] == NULL)) {
4608 DEBUG(0, ("\"objectSid\" not found\n"));
4609 if (vals != NULL) {
4610 ldap_value_free(vals);
4611 }
4612 return False;
4613 }
4614
4615 if (!string_to_sid(&sid, vals[0])) {
4616 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4617 return False;
4618 }
4619
4620 ldap_value_free(vals);
4621
4622 switch (group_type) {
4623 case SID_NAME_DOM_GRP:
4624 case SID_NAME_ALIAS:
4625
4626 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4627 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4628 {
4629 DEBUG(0, ("%s is not in our domain\n",
4630 sid_string_dbg(&sid)));
4631 return False;
4632 }
4633 break;
4634
4635 default:
4636 DEBUG(0,("unkown group type: %d\n", group_type));
4637 return False;
4638 }
4639
4640 result->acct_flags = 0;
4641
4642 return True;
4643 }
4644
4645 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4646 struct pdb_search *search,
4647 const DOM_SID *sid,
4648 enum lsa_SidType type)
4649 {
4650 struct ldapsam_privates *ldap_state =
4651 (struct ldapsam_privates *)methods->private_data;
4652 struct ldap_search_state *state;
4653 fstring tmp;
4654
4655 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4656 if (state == NULL) {
4657 DEBUG(0, ("talloc failed\n"));
4658 return False;
4659 }
4660
4661 state->connection = ldap_state->smbldap_state;
4662
4663 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4664 state->connection = ldap_state->smbldap_state;
4665 state->scope = LDAP_SCOPE_SUBTREE;
4666 state->filter = talloc_asprintf(search->mem_ctx,
4667 "(&(objectclass=sambaGroupMapping)"
4668 "(sambaGroupType=%d)(sambaSID=%s*))",
4669 type, sid_to_fstring(tmp, sid));
4670 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4671 "displayName", "description",
4672 "sambaGroupType", NULL);
4673 state->attrsonly = 0;
4674 state->pagedresults_cookie = NULL;
4675 state->entries = NULL;
4676 state->group_type = type;
4677 state->ldap2displayentry = ldapgroup2displayentry;
4678
4679 if ((state->filter == NULL) || (state->attrs == NULL)) {
4680 DEBUG(0, ("talloc failed\n"));
4681 return False;
4682 }
4683
4684 search->private_data = state;
4685 search->next_entry = ldapsam_search_next_entry;
4686 search->search_end = ldapsam_search_end;
4687
4688 return ldapsam_search_firstpage(search);
4689 }
4690
4691 static bool ldapsam_search_groups(struct pdb_methods *methods,
4692 struct pdb_search *search)
4693 {
4694 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4695 }
4696
4697 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4698 struct pdb_search *search,
4699 const DOM_SID *sid)
4700 {
4701 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4702 }
4703
4704 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4705 {
4706 return False;
4707 }
4708
4709 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4710 uint32 *rid)
4711 {
4712 struct smbldap_state *smbldap_state = priv->smbldap_state;
4713
4714 LDAPMessage *result = NULL;
4715 LDAPMessage *entry = NULL;
4716 LDAPMod **mods = NULL;
4717 NTSTATUS status;
4718 char *value;
4719 int rc;
4720 uint32 nextRid = 0;
4721 const char *dn;
4722
4723 TALLOC_CTX *mem_ctx;
4724
4725 mem_ctx = talloc_new(NULL);
4726 if (mem_ctx == NULL) {
4727 DEBUG(0, ("talloc_new failed\n"));
4728 return NT_STATUS_NO_MEMORY;
4729 }
4730
4731 status = smbldap_search_domain_info(smbldap_state, &result,
4732 get_global_sam_name(), False);
4733 if (!NT_STATUS_IS_OK(status)) {
4734 DEBUG(3, ("Could not get domain info: %s\n",
4735 nt_errstr(status)));
4736 goto done;
4737 }
4738
4739 talloc_autofree_ldapmsg(mem_ctx, result);
4740
4741 entry = ldap_first_entry(priv2ld(priv), result);
4742 if (entry == NULL) {
4743 DEBUG(0, ("Could not get domain info entry\n"));
4744 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4745 goto done;
4746 }
4747
4748 /* Find the largest of the three attributes "sambaNextRid",
4749 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4750 concept of differentiating between user and group rids, and will
4751 use only "sambaNextRid" in the future. But for compatibility
4752 reasons I look if others have chosen different strategies -- VL */
4753
4754 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4755 "sambaNextRid", mem_ctx);
4756 if (value != NULL) {
4757 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4758 nextRid = MAX(nextRid, tmp);
4759 }
4760
4761 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4762 "sambaNextUserRid", mem_ctx);
4763 if (value != NULL) {
4764 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4765 nextRid = MAX(nextRid, tmp);
4766 }
4767
4768 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4769 "sambaNextGroupRid", mem_ctx);
4770 if (value != NULL) {
4771 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4772 nextRid = MAX(nextRid, tmp);
4773 }
4774
4775 if (nextRid == 0) {
4776 nextRid = BASE_RID-1;
4777 }
4778
4779 nextRid += 1;
4780
4781 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4782 talloc_asprintf(mem_ctx, "%d", nextRid));
4783 talloc_autofree_ldapmod(mem_ctx, mods);
4784
4785 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4786 status = NT_STATUS_NO_MEMORY;
4787 goto done;
4788 }
4789
4790 rc = smbldap_modify(smbldap_state, dn, mods);
4791
4792 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4793 * please retry" */
4794
4795 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4796
4797 done:
4798 if (NT_STATUS_IS_OK(status)) {
4799 *rid = nextRid;
4800 }
4801
4802 TALLOC_FREE(mem_ctx);
4803 return status;
4804 }
4805
4806 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4807 {
4808 int i;
4809
4810 for (i=0; i<10; i++) {
4811 NTSTATUS result = ldapsam_get_new_rid(
4812 (struct ldapsam_privates *)methods->private_data, rid);
4813 if (NT_STATUS_IS_OK(result)) {
4814 return result;
4815 }
4816
4817 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4818 return result;
4819 }
4820
4821 /* The ldap update failed (maybe a race condition), retry */
4822 }
4823
4824 /* Tried 10 times, fail. */
4825 return NT_STATUS_ACCESS_DENIED;
4826 }
4827
4828 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4829 {
4830 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4831 return NT_STATUS_IS_OK(result) ? True : False;
4832 }
4833
4834 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4835 const DOM_SID *sid,
4836 union unid_t *id, enum lsa_SidType *type)
4837 {
4838 struct ldapsam_privates *priv =
4839 (struct ldapsam_privates *)methods->private_data;
4840 char *filter;
4841 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4842 NULL };
4843 LDAPMessage *result = NULL;
4844 LDAPMessage *entry = NULL;
4845 bool ret = False;
4846 char *value;
4847 int rc;
4848
4849 TALLOC_CTX *mem_ctx;
4850
4851 mem_ctx = talloc_new(NULL);
4852 if (mem_ctx == NULL) {
4853 DEBUG(0, ("talloc_new failed\n"));
4854 return False;
4855 }
4856
4857 filter = talloc_asprintf(mem_ctx,
4858 "(&(sambaSid=%s)"
4859 "(|(objectClass=%s)(objectClass=%s)))",
4860 sid_string_talloc(mem_ctx, sid),
4861 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4862 if (filter == NULL) {
4863 DEBUG(5, ("talloc_asprintf failed\n"));
4864 goto done;
4865 }
4866
4867 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4868 attrs, &result);
4869 if (rc != LDAP_SUCCESS) {
4870 goto done;
4871 }
4872 talloc_autofree_ldapmsg(mem_ctx, result);
4873
4874 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4875 DEBUG(10, ("Got %d entries, expected one\n",
4876 ldap_count_entries(priv2ld(priv), result)));
4877 goto done;
4878 }
4879
4880 entry = ldap_first_entry(priv2ld(priv), result);
4881
4882 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4883 "sambaGroupType", mem_ctx);
4884
4885 if (value != NULL) {
4886 const char *gid_str;
4887 /* It's a group */
4888
4889 gid_str = smbldap_talloc_single_attribute(
4890 priv2ld(priv), entry, "gidNumber", mem_ctx);
4891 if (gid_str == NULL) {
4892 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4893 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4894 entry)));
4895 goto done;
4896 }
4897
4898 id->gid = strtoul(gid_str, NULL, 10);
4899 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4900 ret = True;
4901 goto done;
4902 }
4903
4904 /* It must be a user */
4905
4906 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4907 "uidNumber", mem_ctx);
4908 if (value == NULL) {
4909 DEBUG(1, ("Could not find uidNumber in %s\n",
4910 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4911 goto done;
4912 }
4913
4914 id->uid = strtoul(value, NULL, 10);
4915 *type = SID_NAME_USER;
4916
4917 ret = True;
4918 done:
4919 TALLOC_FREE(mem_ctx);
4920 return ret;
4921 }
4922
4923 /*
4924 * The following functions is called only if
4925 * ldapsam:trusted and ldapsam:editposix are
4926 * set to true
4927 */
4928
4929 /*
4930 * ldapsam_create_user creates a new
4931 * posixAccount and sambaSamAccount object
4932 * in the ldap users subtree
4933 *
4934 * The uid is allocated by winbindd.
4935 */
4936
4937 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4938 TALLOC_CTX *tmp_ctx, const char *name,
4939 uint32 acb_info, uint32 *rid)
4940 {
4941 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4942 LDAPMessage *entry = NULL;
4943 LDAPMessage *result = NULL;
4944 uint32 num_result;
4945 bool is_machine = False;
4946 bool add_posix = False;
4947 LDAPMod **mods = NULL;
4948 struct samu *user;
4949 char *filter;
4950 char *username;
4951 char *homedir;
4952 char *gidstr;
4953 char *uidstr;
4954 char *shell;
4955 const char *dn = NULL;
4956 DOM_SID group_sid;
4957 DOM_SID user_sid;
4958 gid_t gid = -1;
4959 uid_t uid = -1;
4960 NTSTATUS ret;
4961 int rc;
4962
4963 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4964 acb_info & ACB_WSTRUST ||
4965 acb_info & ACB_SVRTRUST ||
4966 acb_info & ACB_DOMTRUST) {
4967 is_machine = True;
4968 }
4969
4970 username = escape_ldap_string_alloc(name);
4971 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4972 username, LDAP_OBJ_POSIXACCOUNT);
4973 SAFE_FREE(username);
4974
4975 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4976 if (rc != LDAP_SUCCESS) {
4977 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4978 return NT_STATUS_ACCESS_DENIED;
4979 }
4980 talloc_autofree_ldapmsg(tmp_ctx, result);
4981
4982 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4983
4984 if (num_result > 1) {
4985 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4986 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4987 }
4988
4989 if (num_result == 1) {
4990 char *tmp;
4991 /* check if it is just a posix account.
4992 * or if there is a sid attached to this entry
4993 */
4994
4995 entry = ldap_first_entry(priv2ld(ldap_state), result);
4996 if (!entry) {
4997 return NT_STATUS_UNSUCCESSFUL;
4998 }
4999
5000 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5001 if (tmp) {
5002 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5003 return NT_STATUS_USER_EXISTS;
5004 }
5005
5006 /* it is just a posix account, retrieve the dn for later use */
5007 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5008 if (!dn) {
5009 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5010 return NT_STATUS_NO_MEMORY;
5011 }
5012 }
5013
5014 if (num_result == 0) {
5015 add_posix = True;
5016 }
5017
5018 /* Create the basic samu structure and generate the mods for the ldap commit */
5019 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5020 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5021 return ret;
5022 }
5023
5024 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5025
5026 user = samu_new(tmp_ctx);
5027 if (!user) {
5028 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5029 return NT_STATUS_NO_MEMORY;
5030 }
5031
5032 if (!pdb_set_username(user, name, PDB_SET)) {
5033 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5034 return NT_STATUS_UNSUCCESSFUL;
5035 }
5036 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5037 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5038 return NT_STATUS_UNSUCCESSFUL;
5039 }
5040 if (is_machine) {
5041 if (acb_info & ACB_NORMAL) {
5042 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5043 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5044 return NT_STATUS_UNSUCCESSFUL;
5045 }
5046 } else {
5047 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5048 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5049 return NT_STATUS_UNSUCCESSFUL;
5050 }
5051 }
5052 } else {
5053 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5054 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5055 return NT_STATUS_UNSUCCESSFUL;
5056 }
5057 }
5058
5059 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5060 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5061 return NT_STATUS_UNSUCCESSFUL;
5062 }
5063
5064 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5065 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5066 return NT_STATUS_UNSUCCESSFUL;
5067 }
5068
5069 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5070 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5071 }
5072 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5073
5074 if (add_posix) {
5075 char *escape_name;
5076
5077 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5078
5079 /* retrieve the Domain Users group gid */
5080 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5081 !sid_to_gid(&group_sid, &gid)) {
5082 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5083 return NT_STATUS_INVALID_PRIMARY_GROUP;
5084 }
5085
5086 /* lets allocate a new userid for this user */
5087 if (!winbind_allocate_uid(&uid)) {
5088 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5089 return NT_STATUS_UNSUCCESSFUL;
5090 }
5091
5092
5093 if (is_machine) {
5094 /* TODO: choose a more appropriate default for machines */
5095 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5096 shell = talloc_strdup(tmp_ctx, "/bin/false");
5097 } else {
5098 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5099 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5100 }
5101 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5102 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5103
5104 escape_name = escape_rdn_val_string_alloc(name);
5105 if (!escape_name) {
5106 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5107 return NT_STATUS_NO_MEMORY;
5108 }
5109
5110 if (is_machine) {
5111 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5112 } else {
5113 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5114 }
5115
5116 SAFE_FREE(escape_name);
5117
5118 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5119 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5120 return NT_STATUS_NO_MEMORY;
5121 }
5122
5123 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5124 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5125 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5126 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5127 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5128 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5129 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5130 }
5131
5132 talloc_autofree_ldapmod(tmp_ctx, mods);
5133
5134 if (add_posix) {
5135 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5136 } else {
5137 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5138 }
5139
5140 if (rc != LDAP_SUCCESS) {
5141 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5142 return NT_STATUS_UNSUCCESSFUL;
5143 }
5144
5145 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5146
5147 flush_pwnam_cache();
5148
5149 return NT_STATUS_OK;
5150 }
5151
5152 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5153 {
5154 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5155 LDAPMessage *result = NULL;
5156 LDAPMessage *entry = NULL;
5157 int num_result;
5158 const char *dn;
5159 char *filter;
5160 int rc;
5161
5162 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5163
5164 filter = talloc_asprintf(tmp_ctx,
5165 "(&(uid=%s)"
5166 "(objectClass=%s)"
5167 "(objectClass=%s))",
5168 pdb_get_username(sam_acct),
5169 LDAP_OBJ_POSIXACCOUNT,
5170 LDAP_OBJ_SAMBASAMACCOUNT);
5171 if (filter == NULL) {
5172 return NT_STATUS_NO_MEMORY;
5173 }
5174
5175 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5176 if (rc != LDAP_SUCCESS) {
5177 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5178 return NT_STATUS_UNSUCCESSFUL;
5179 }
5180 talloc_autofree_ldapmsg(tmp_ctx, result);
5181
5182 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5183
5184 if (num_result == 0) {
5185 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5186 return NT_STATUS_NO_SUCH_USER;
5187 }
5188
5189 if (num_result > 1) {
5190 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5191 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5192 }
5193
5194 entry = ldap_first_entry(priv2ld(ldap_state), result);
5195 if (!entry) {
5196 return NT_STATUS_UNSUCCESSFUL;
5197 }
5198
5199 /* it is just a posix account, retrieve the dn for later use */
5200 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5201 if (!dn) {
5202 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5203 return NT_STATUS_NO_MEMORY;
5204 }
5205
5206 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5207 if (rc != LDAP_SUCCESS) {
5208 return NT_STATUS_UNSUCCESSFUL;
5209 }
5210
5211 flush_pwnam_cache();
5212
5213 return NT_STATUS_OK;
5214 }
5215
5216 /*
5217 * ldapsam_create_group creates a new
5218 * posixGroup and sambaGroupMapping object
5219 * in the ldap groups subtree
5220 *
5221 * The gid is allocated by winbindd.
5222 */
5223
5224 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5225 TALLOC_CTX *tmp_ctx,
5226 const char *name,
5227 uint32 *rid)
5228 {
5229 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5230 NTSTATUS ret;
5231 LDAPMessage *entry = NULL;
5232 LDAPMessage *result = NULL;
5233 uint32 num_result;
5234 bool is_new_entry = False;
5235 LDAPMod **mods = NULL;
5236 char *filter;
5237 char *groupsidstr;
5238 char *groupname;
5239 char *grouptype;
5240 char *gidstr;
5241 const char *dn = NULL;
5242 DOM_SID group_sid;
5243 gid_t gid = -1;
5244 int rc;
5245
5246 groupname = escape_ldap_string_alloc(name);
5247 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5248 groupname, LDAP_OBJ_POSIXGROUP);
5249 SAFE_FREE(groupname);
5250
5251 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5252 if (rc != LDAP_SUCCESS) {
5253 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5254 return NT_STATUS_UNSUCCESSFUL;
5255 }
5256 talloc_autofree_ldapmsg(tmp_ctx, result);
5257
5258 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5259
5260 if (num_result > 1) {
5261 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5262 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5263 }
5264
5265 if (num_result == 1) {
5266 char *tmp;
5267 /* check if it is just a posix group.
5268 * or if there is a sid attached to this entry
5269 */
5270
5271 entry = ldap_first_entry(priv2ld(ldap_state), result);
5272 if (!entry) {
5273 return NT_STATUS_UNSUCCESSFUL;
5274 }
5275
5276 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5277 if (tmp) {
5278 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5279 return NT_STATUS_GROUP_EXISTS;
5280 }
5281
5282 /* it is just a posix group, retrieve the gid and the dn for later use */
5283 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5284 if (!tmp) {
5285 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5286 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5287 }
5288
5289 gid = strtoul(tmp, NULL, 10);
5290
5291 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5292 if (!dn) {
5293 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5294 return NT_STATUS_NO_MEMORY;
5295 }
5296 }
5297
5298 if (num_result == 0) {
5299 char *escape_name;
5300
5301 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5302
5303 is_new_entry = True;
5304
5305 /* lets allocate a new groupid for this group */
5306 if (!winbind_allocate_gid(&gid)) {
5307 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5308 return NT_STATUS_UNSUCCESSFUL;
5309 }
5310
5311 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5312
5313 escape_name = escape_rdn_val_string_alloc(name);
5314 if (!escape_name) {
5315 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5316 return NT_STATUS_NO_MEMORY;
5317 }
5318
5319 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5320
5321 SAFE_FREE(escape_name);
5322
5323 if (!gidstr || !dn) {
5324 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5325 return NT_STATUS_NO_MEMORY;
5326 }
5327
5328 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5329 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5330 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5331 }
5332
5333 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5334 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5335 return ret;
5336 }
5337
5338 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5339
5340 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5341 &group_sid));
5342 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5343
5344 if (!groupsidstr || !grouptype) {
5345 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5346 return NT_STATUS_NO_MEMORY;
5347 }
5348
5349 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5350 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5351 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5352 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5353 talloc_autofree_ldapmod(tmp_ctx, mods);
5354
5355 if (is_new_entry) {
5356 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5357 #if 0
5358 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5359 /* This call may fail with rfc2307bis schema */
5360 /* Retry adding a structural class */
5361 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5362 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5363 }
5364 #endif
5365 } else {
5366 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5367 }
5368
5369 if (rc != LDAP_SUCCESS) {
5370 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5371 return NT_STATUS_UNSUCCESSFUL;
5372 }
5373
5374 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5375
5376 return NT_STATUS_OK;
5377 }
5378
5379 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5380 {
5381 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5382 LDAPMessage *result = NULL;
5383 LDAPMessage *entry = NULL;
5384 int num_result;
5385 const char *dn;
5386 char *gidstr;
5387 char *filter;
5388 DOM_SID group_sid;
5389 int rc;
5390
5391 /* get the group sid */
5392 sid_compose(&group_sid, get_global_sam_sid(), rid);
5393
5394 filter = talloc_asprintf(tmp_ctx,
5395 "(&(sambaSID=%s)"
5396 "(objectClass=%s)"
5397 "(objectClass=%s))",
5398 sid_string_talloc(tmp_ctx, &group_sid),
5399 LDAP_OBJ_POSIXGROUP,
5400 LDAP_OBJ_GROUPMAP);
5401 if (filter == NULL) {
5402 return NT_STATUS_NO_MEMORY;
5403 }
5404
5405 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5406 if (rc != LDAP_SUCCESS) {
5407 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5408 return NT_STATUS_UNSUCCESSFUL;
5409 }
5410 talloc_autofree_ldapmsg(tmp_ctx, result);
5411
5412 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5413
5414 if (num_result == 0) {
5415 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5416 return NT_STATUS_NO_SUCH_GROUP;
5417 }
5418
5419 if (num_result > 1) {
5420 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5421 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5422 }
5423
5424 entry = ldap_first_entry(priv2ld(ldap_state), result);
5425 if (!entry) {
5426 return NT_STATUS_UNSUCCESSFUL;
5427 }
5428
5429 /* here it is, retrieve the dn for later use */
5430 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5431 if (!dn) {
5432 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5433 return NT_STATUS_NO_MEMORY;
5434 }
5435
5436 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5437 if (!gidstr) {
5438 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5439 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5440 }
5441
5442 /* check no user have this group marked as primary group */
5443 filter = talloc_asprintf(tmp_ctx,
5444 "(&(gidNumber=%s)"
5445 "(objectClass=%s)"
5446 "(objectClass=%s))",
5447 gidstr,
5448 LDAP_OBJ_POSIXACCOUNT,
5449 LDAP_OBJ_SAMBASAMACCOUNT);
5450
5451 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5452 if (rc != LDAP_SUCCESS) {
5453 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5454 return NT_STATUS_UNSUCCESSFUL;
5455 }
5456 talloc_autofree_ldapmsg(tmp_ctx, result);
5457
5458 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5459
5460 if (num_result != 0) {
5461 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5462 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5463 }
5464
5465 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5466 if (rc != LDAP_SUCCESS) {
5467 return NT_STATUS_UNSUCCESSFUL;
5468 }
5469
5470 return NT_STATUS_OK;
5471 }
5472
5473 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5474 TALLOC_CTX *tmp_ctx,
5475 uint32 group_rid,
5476 uint32 member_rid,
5477 int modop)
5478 {
5479 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5480 LDAPMessage *entry = NULL;
5481 LDAPMessage *result = NULL;
5482 uint32 num_result;
5483 LDAPMod **mods = NULL;
5484 char *filter;
5485 char *uidstr;
5486 const char *dn = NULL;
5487 DOM_SID group_sid;
5488 DOM_SID member_sid;
5489 int rc;
5490
5491 switch (modop) {
5492 case LDAP_MOD_ADD:
5493 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5494 break;
5495 case LDAP_MOD_DELETE:
5496 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5497 break;
5498 default:
5499 return NT_STATUS_UNSUCCESSFUL;
5500 }
5501
5502 /* get member sid */
5503 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5504
5505 /* get the group sid */
5506 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5507
5508 filter = talloc_asprintf(tmp_ctx,
5509 "(&(sambaSID=%s)"
5510 "(objectClass=%s)"
5511 "(objectClass=%s))",
5512 sid_string_talloc(tmp_ctx, &member_sid),
5513 LDAP_OBJ_POSIXACCOUNT,
5514 LDAP_OBJ_SAMBASAMACCOUNT);
5515 if (filter == NULL) {
5516 return NT_STATUS_NO_MEMORY;
5517 }
5518
5519 /* get the member uid */
5520 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5521 if (rc != LDAP_SUCCESS) {
5522 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5523 return NT_STATUS_UNSUCCESSFUL;
5524 }
5525 talloc_autofree_ldapmsg(tmp_ctx, result);
5526
5527 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5528
5529 if (num_result == 0) {
5530 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5531 return NT_STATUS_NO_SUCH_MEMBER;
5532 }
5533
5534 if (num_result > 1) {
5535 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5536 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5537 }
5538
5539 entry = ldap_first_entry(priv2ld(ldap_state), result);
5540 if (!entry) {
5541 return NT_STATUS_UNSUCCESSFUL;
5542 }
5543
5544 if (modop == LDAP_MOD_DELETE) {
5545 /* check if we are trying to remove the member from his primary group */
5546 char *gidstr;
5547 gid_t user_gid, group_gid;
5548
5549 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5550 if (!gidstr) {
5551 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5552 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5553 }
5554
5555 user_gid = strtoul(gidstr, NULL, 10);
5556
5557 if (!sid_to_gid(&group_sid, &group_gid)) {
5558 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5559 return NT_STATUS_UNSUCCESSFUL;
5560 }
5561
5562 if (user_gid == group_gid) {
5563 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5564 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5565 }
5566 }
5567
5568 /* here it is, retrieve the uid for later use */
5569 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5570 if (!uidstr) {
5571 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5572 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5573 }
5574
5575 filter = talloc_asprintf(tmp_ctx,
5576 "(&(sambaSID=%s)"
5577 "(objectClass=%s)"
5578 "(objectClass=%s))",
5579 sid_string_talloc(tmp_ctx, &group_sid),
5580 LDAP_OBJ_POSIXGROUP,
5581 LDAP_OBJ_GROUPMAP);
5582
5583 /* get the group */
5584 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5585 if (rc != LDAP_SUCCESS) {
5586 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5587 return NT_STATUS_UNSUCCESSFUL;
5588 }
5589 talloc_autofree_ldapmsg(tmp_ctx, result);
5590
5591 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5592
5593 if (num_result == 0) {
5594 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5595 return NT_STATUS_NO_SUCH_GROUP;
5596 }
5597
5598 if (num_result > 1) {
5599 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5600 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5601 }
5602
5603 entry = ldap_first_entry(priv2ld(ldap_state), result);
5604 if (!entry) {
5605 return NT_STATUS_UNSUCCESSFUL;
5606 }
5607
5608 /* here it is, retrieve the dn for later use */
5609 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5610 if (!dn) {
5611 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5612 return NT_STATUS_NO_MEMORY;
5613 }
5614
5615 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5616
5617 talloc_autofree_ldapmod(tmp_ctx, mods);
5618
5619 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5620 if (rc != LDAP_SUCCESS) {
5621 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5622 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5623 return NT_STATUS_MEMBER_IN_GROUP;
5624 }
5625 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5626 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5627 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5628 }
5629 return NT_STATUS_UNSUCCESSFUL;
5630 }
5631
5632 return NT_STATUS_OK;
5633 }
5634
5635 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5636 TALLOC_CTX *tmp_ctx,
5637 uint32 group_rid,
5638 uint32 member_rid)
5639 {
5640 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5641 }
5642 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5643 TALLOC_CTX *tmp_ctx,
5644 uint32 group_rid,
5645 uint32 member_rid)
5646 {
5647 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5648 }
5649
5650 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5651 TALLOC_CTX *mem_ctx,
5652 struct samu *sampass)
5653 {
5654 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5655 LDAPMessage *entry = NULL;
5656 LDAPMessage *result = NULL;
5657 uint32 num_result;
5658 LDAPMod **mods = NULL;
5659 char *filter;
5660 char *escape_username;
5661 char *gidstr;
5662 const char *dn = NULL;
5663 gid_t gid;
5664 int rc;
5665
5666 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5667
5668 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5669 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5670 return NT_STATUS_UNSUCCESSFUL;
5671 }
5672 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5673 if (!gidstr) {
5674 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5675 return NT_STATUS_NO_MEMORY;
5676 }
5677
5678 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5679 if (escape_username== NULL) {
5680 return NT_STATUS_NO_MEMORY;
5681 }
5682
5683 filter = talloc_asprintf(mem_ctx,
5684 "(&(uid=%s)"
5685 "(objectClass=%s)"
5686 "(objectClass=%s))",
5687 escape_username,
5688 LDAP_OBJ_POSIXACCOUNT,
5689 LDAP_OBJ_SAMBASAMACCOUNT);
5690
5691 SAFE_FREE(escape_username);
5692
5693 if (filter == NULL) {
5694 return NT_STATUS_NO_MEMORY;
5695 }
5696
5697 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5698 if (rc != LDAP_SUCCESS) {
5699 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5700 return NT_STATUS_UNSUCCESSFUL;
5701 }
5702 talloc_autofree_ldapmsg(mem_ctx, result);
5703
5704 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5705
5706 if (num_result == 0) {
5707 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5708 return NT_STATUS_NO_SUCH_USER;
5709 }
5710
5711 if (num_result > 1) {
5712 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5713 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5714 }
5715
5716 entry = ldap_first_entry(priv2ld(ldap_state), result);
5717 if (!entry) {
5718 return NT_STATUS_UNSUCCESSFUL;
5719 }
5720
5721 /* retrieve the dn for later use */
5722 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5723 if (!dn) {
5724 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5725 return NT_STATUS_NO_MEMORY;
5726 }
5727
5728 /* remove the old one, and add the new one, this way we do not risk races */
5729 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5730
5731 if (mods == NULL) {
5732 return NT_STATUS_OK;
5733 }
5734
5735 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5736
5737 if (rc != LDAP_SUCCESS) {
5738 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5739 pdb_get_username(sampass), gidstr));
5740 return NT_STATUS_UNSUCCESSFUL;
5741 }
5742
5743 flush_pwnam_cache();
5744
5745 return NT_STATUS_OK;
5746 }
5747
5748
5749 /**********************************************************************
5750 trusted domains functions
5751 *********************************************************************/
5752
5753 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5754 const char *domain)
5755 {
5756 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5757 ldap_state->domain_dn);
5758 }
5759
5760 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5761 const char *domain, LDAPMessage **entry)
5762 {
5763 int rc;
5764 char *filter;
5765 int scope = LDAP_SCOPE_SUBTREE;
5766 const char **attrs = NULL; /* NULL: get all attrs */
5767 int attrsonly = 0; /* 0: return values too */
5768 LDAPMessage *result = NULL;
5769 char *trusted_dn;
5770 uint32 num_result;
5771
5772 filter = talloc_asprintf(talloc_tos(),
5773 "(&(objectClass=%s)(sambaDomainName=%s))",
5774 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5775
5776 trusted_dn = trusteddom_dn(ldap_state, domain);
5777 if (trusted_dn == NULL) {
5778 return False;
5779 }
5780 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5781 filter, attrs, attrsonly, &result);
5782
5783 if (rc == LDAP_NO_SUCH_OBJECT) {
5784 *entry = NULL;
5785 return True;
5786 }
5787
5788 if (rc != LDAP_SUCCESS) {
5789 return False;
5790 }
5791
5792 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5793
5794 if (num_result > 1) {
5795 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5796 "sambaTrustedDomainPassword object for domain '%s'"
5797 "?!\n", domain));
5798 return False;
5799 }
5800
5801 if (num_result == 0) {
5802 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5803 "sambaTrustedDomainPassword object for domain %s.\n",
5804 domain));
5805 *entry = NULL;
5806 } else {
5807 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5808 }
5809
5810 return True;
5811 }
5812
5813 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5814 const char *domain,
5815 char** pwd,
5816 DOM_SID *sid,
5817 time_t *pass_last_set_time)
5818 {
5819 struct ldapsam_privates *ldap_state =
5820 (struct ldapsam_privates *)methods->private_data;
5821 LDAPMessage *entry = NULL;
5822
5823 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5824
5825 if (!get_trusteddom_pw_int(ldap_state, domain, &entry) ||
5826 (entry == NULL))
5827 {
5828 return False;
5829 }
5830
5831 /* password */
5832 if (pwd != NULL) {
5833 char *pwd_str;
5834 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5835 entry, "sambaClearTextPassword", talloc_tos());
5836 if (pwd_str == NULL) {
5837 return False;
5838 }
5839 /* trusteddom_pw routines do not use talloc yet... */
5840 *pwd = SMB_STRDUP(pwd_str);
5841 if (*pwd == NULL) {
5842 return False;
5843 }
5844 }
5845
5846 /* last change time */
5847 if (pass_last_set_time != NULL) {
5848 char *time_str;
5849 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5850 entry, "sambaPwdLastSet", talloc_tos());
5851 if (time_str == NULL) {
5852 return False;
5853 }
5854 *pass_last_set_time = (time_t)atol(time_str);
5855 }
5856
5857 /* domain sid */
5858 if (sid != NULL) {
5859 char *sid_str;
5860 DOM_SID *dom_sid;
5861 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5862 entry, "sambaSID",
5863 talloc_tos());
5864 if (sid_str == NULL) {
5865 return False;
5866 }
5867 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5868 if (dom_sid == NULL) {
5869 return False;
5870 }
5871 sid_copy(sid, dom_sid);
5872 }
5873
5874 return True;
5875 }
5876
5877 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5878 const char* domain,
5879 const char* pwd,
5880 const DOM_SID *sid)
5881 {
5882 struct ldapsam_privates *ldap_state =
5883 (struct ldapsam_privates *)methods->private_data;
5884 LDAPMessage *entry = NULL;
5885 LDAPMod **mods = NULL;
5886 char *prev_pwd = NULL;
5887 char *trusted_dn = NULL;
5888 int rc;
5889
5890 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5891
5892 /*
5893 * get the current entry (if there is one) in order to put the
5894 * current password into the previous password attribute
5895 */
5896 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5897 return False;
5898 }
5899
5900 mods = NULL;
5901 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5902 "sambaTrustedDomainPassword");
5903 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5904 domain);
5905 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5906 sid_string_tos(sid));
5907 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5908 talloc_asprintf(talloc_tos(), "%li", time(NULL)));
5909 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5910 "sambaClearTextPassword", pwd);
5911 if (entry != NULL) {
5912 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5913 entry, "sambaClearTextPassword", talloc_tos());
5914 if (prev_pwd != NULL) {
5915 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5916 "sambaPreviousClearTextPassword",
5917 prev_pwd);
5918 }
5919 }
5920
5921 trusted_dn = trusteddom_dn(ldap_state, domain);
5922 if (trusted_dn == NULL) {
5923 return False;
5924 }
5925 if (entry == NULL) {
5926 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5927 } else {
5928 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5929 }
5930
5931 if (rc != LDAP_SUCCESS) {
5932 DEBUG(1, ("error writing trusted domain password!\n"));
5933 return False;
5934 }
5935
5936 return True;
5937 }
5938
5939 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5940 const char *domain)
5941 {
5942 int rc;
5943 struct ldapsam_privates *ldap_state =
5944 (struct ldapsam_privates *)methods->private_data;
5945 LDAPMessage *entry = NULL;
5946 const char *trusted_dn;
5947
5948 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5949 return False;
5950 }
5951
5952 if (entry == NULL) {
5953 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
5954 "%s\n", domain));
5955 return True;
5956 }
5957
5958 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
5959 entry);
5960 if (trusted_dn == NULL) {
5961 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
5962 return False;
5963 }
5964
5965 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
5966 if (rc != LDAP_SUCCESS) {
5967 return False;
5968 }
5969
5970 return True;
5971 }
5972
5973 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
5974 TALLOC_CTX *mem_ctx,
5975 uint32 *num_domains,
5976 struct trustdom_info ***domains)
5977 {
5978 int rc;
5979 struct ldapsam_privates *ldap_state =
5980 (struct ldapsam_privates *)methods->private_data;
5981 char *filter;
5982 int scope = LDAP_SCOPE_SUBTREE;
5983 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
5984 int attrsonly = 0; /* 0: return values too */
5985 LDAPMessage *result = NULL;
5986 LDAPMessage *entry = NULL;
5987
5988 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
5989 LDAP_OBJ_TRUSTDOM_PASSWORD);
5990
5991 rc = smbldap_search(ldap_state->smbldap_state,
5992 ldap_state->domain_dn,
5993 scope,
5994 filter,
5995 attrs,
5996 attrsonly,
5997 &result);
5998
5999 if (rc != LDAP_SUCCESS) {
6000 return NT_STATUS_UNSUCCESSFUL;
6001 }
6002
6003 *num_domains = 0;
6004 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6005 DEBUG(1, ("talloc failed\n"));
6006 return NT_STATUS_NO_MEMORY;
6007 }
6008
6009 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6010 entry != NULL;
6011 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6012 {
6013 char *dom_name, *dom_sid_str;
6014 struct trustdom_info *dom_info;
6015
6016 dom_info = TALLOC_P(*domains, struct trustdom_info);
6017 if (dom_info == NULL) {
6018 DEBUG(1, ("talloc failed\n"));
6019 return NT_STATUS_NO_MEMORY;
6020 }
6021
6022 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6023 entry,
6024 "sambaDomainName",
6025 talloc_tos());
6026 if (dom_name == NULL) {
6027 DEBUG(1, ("talloc failed\n"));
6028 return NT_STATUS_NO_MEMORY;
6029 }
6030 dom_info->name = dom_name;
6031
6032 dom_sid_str = smbldap_talloc_single_attribute(
6033 priv2ld(ldap_state), entry, "sambaSID",
6034 talloc_tos());
6035 if (dom_sid_str == NULL) {
6036 DEBUG(1, ("talloc failed\n"));
6037 return NT_STATUS_NO_MEMORY;
6038 }
6039 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6040 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6041 dom_sid_str));
6042 return NT_STATUS_UNSUCCESSFUL;
6043 }
6044
6045 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6046 domains, num_domains);
6047
6048 if (*domains == NULL) {
6049 DEBUG(1, ("talloc failed\n"));
6050 return NT_STATUS_NO_MEMORY;
6051 }
6052 }
6053
6054 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6055 return NT_STATUS_OK;
6056 }
6057
6058
6059 /**********************************************************************
6060 Housekeeping
6061 *********************************************************************/
6062
6063 static void free_private_data(void **vp)
6064 {
6065 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6066
6067 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6068
6069 if ((*ldap_state)->result != NULL) {
6070 ldap_msgfree((*ldap_state)->result);
6071 (*ldap_state)->result = NULL;
6072 }
6073 if ((*ldap_state)->domain_dn != NULL) {
6074 SAFE_FREE((*ldap_state)->domain_dn);
6075 }
6076
6077 *ldap_state = NULL;
6078
6079 /* No need to free any further, as it is talloc()ed */
6080 }
6081
6082 /*********************************************************************
6083 Intitalise the parts of the pdb_methods structure that are common to
6084 all pdb_ldap modes
6085 *********************************************************************/
6086
6087 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6088 {
6089 NTSTATUS nt_status;
6090 struct ldapsam_privates *ldap_state;
6091
6092 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6093 return nt_status;
6094 }
6095
6096 (*pdb_method)->name = "ldapsam";
6097
6098 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6099 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6100 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6101 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6102 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6103 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6104
6105 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6106 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6107 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6108 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6109 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6110 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6111 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6112
6113 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6114 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6115
6116 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6117
6118 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6119 (*pdb_method)->new_rid = ldapsam_new_rid;
6120
6121 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6122 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6123 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6124 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6125
6126 /* TODO: Setup private data and free */
6127
6128 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6129 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6130 return NT_STATUS_NO_MEMORY;
6131 }
6132
6133 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6134 location, &ldap_state->smbldap_state);
6135
6136 if ( !NT_STATUS_IS_OK(nt_status) ) {
6137 return nt_status;
6138 }
6139
6140 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6141 return NT_STATUS_NO_MEMORY;
6142 }
6143
6144 (*pdb_method)->private_data = ldap_state;
6145
6146 (*pdb_method)->free_private_data = free_private_data;
6147
6148 return NT_STATUS_OK;
6149 }
6150
6151 /**********************************************************************
6152 Initialise the 'compat' mode for pdb_ldap
6153 *********************************************************************/
6154
6155 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6156 {
6157 NTSTATUS nt_status;
6158 struct ldapsam_privates *ldap_state;
6159 char *uri = talloc_strdup( NULL, location );
6160
6161 trim_char( uri, '\"', '\"' );
6162 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6163 if ( uri )
6164 TALLOC_FREE( uri );
6165
6166 if ( !NT_STATUS_IS_OK(nt_status) ) {
6167 return nt_status;
6168 }
6169
6170 (*pdb_method)->name = "ldapsam_compat";
6171
6172 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6173 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6174
6175 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6176
6177 return NT_STATUS_OK;
6178 }
6179
6180 /**********************************************************************
6181 Initialise the normal mode for pdb_ldap
6182 *********************************************************************/
6183
6184 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6185 {
6186 NTSTATUS nt_status;
6187 struct ldapsam_privates *ldap_state = NULL;
6188 uint32 alg_rid_base;
6189 char *alg_rid_base_string = NULL;
6190 LDAPMessage *result = NULL;
6191 LDAPMessage *entry = NULL;
6192 DOM_SID ldap_domain_sid;
6193 DOM_SID secrets_domain_sid;
6194 char *domain_sid_string = NULL;
6195 char *dn = NULL;
6196 char *uri = talloc_strdup( NULL, location );
6197
6198 trim_char( uri, '\"', '\"' );
6199 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6200 if (uri) {
6201 TALLOC_FREE(uri);
6202 }
6203
6204 if (!NT_STATUS_IS_OK(nt_status)) {
6205 return nt_status;
6206 }
6207
6208 (*pdb_method)->name = "ldapsam";
6209
6210 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6211 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6212 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6213 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6214 (*pdb_method)->search_users = ldapsam_search_users;
6215 (*pdb_method)->search_groups = ldapsam_search_groups;
6216 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6217
6218 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6219 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6220 (*pdb_method)->enum_group_memberships =
6221 ldapsam_enum_group_memberships;
6222 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6223 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6224
6225 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6226 (*pdb_method)->create_user = ldapsam_create_user;
6227 (*pdb_method)->delete_user = ldapsam_delete_user;
6228 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6229 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6230 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6231 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6232 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6233 }
6234 }
6235
6236 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6237 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6238
6239 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6240
6241 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6242 &result,
6243 ldap_state->domain_name, True);
6244
6245 if ( !NT_STATUS_IS_OK(nt_status) ) {
6246 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6247 "info, nor add one to the domain\n"));
6248 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6249 "will be unable to allocate new users/groups, "
6250 "and will risk BDCs having inconsistant SIDs\n"));
6251 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6252 return NT_STATUS_OK;
6253 }
6254
6255 /* Given that the above might fail, everything below this must be
6256 * optional */
6257
6258 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6259 result);
6260 if (!entry) {
6261 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6262 "entry\n"));
6263 ldap_msgfree(result);
6264 return NT_STATUS_UNSUCCESSFUL;
6265 }
6266
6267 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6268 if (!dn) {
6269 ldap_msgfree(result);
6270 return NT_STATUS_UNSUCCESSFUL;
6271 }
6272
6273 ldap_state->domain_dn = smb_xstrdup(dn);
6274 ldap_memfree(dn);
6275
6276 domain_sid_string = smbldap_talloc_single_attribute(
6277 ldap_state->smbldap_state->ldap_struct,
6278 entry,
6279 get_userattr_key2string(ldap_state->schema_ver,
6280 LDAP_ATTR_USER_SID),
6281 talloc_tos());
6282
6283 if (domain_sid_string) {
6284 bool found_sid;
6285 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6286 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6287 "read as a valid SID\n", domain_sid_string));
6288 ldap_msgfree(result);
6289 TALLOC_FREE(domain_sid_string);
6290 return NT_STATUS_INVALID_PARAMETER;
6291 }
6292 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6293 &secrets_domain_sid);
6294 if (!found_sid || !sid_equal(&secrets_domain_sid,
6295 &ldap_domain_sid)) {
6296 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6297 "%s based on pdb_ldap results %s -> %s\n",
6298 ldap_state->domain_name,
6299 sid_string_dbg(&secrets_domain_sid),
6300 sid_string_dbg(&ldap_domain_sid)));
6301
6302 /* reset secrets.tdb sid */
6303 secrets_store_domain_sid(ldap_state->domain_name,
6304 &ldap_domain_sid);
6305 DEBUG(1, ("New global sam SID: %s\n",
6306 sid_string_dbg(get_global_sam_sid())));
6307 }
6308 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6309 TALLOC_FREE(domain_sid_string);
6310 }
6311
6312 alg_rid_base_string = smbldap_talloc_single_attribute(
6313 ldap_state->smbldap_state->ldap_struct,
6314 entry,
6315 get_attr_key2string( dominfo_attr_list,
6316 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6317 talloc_tos());
6318 if (alg_rid_base_string) {
6319 alg_rid_base = (uint32)atol(alg_rid_base_string);
6320 if (alg_rid_base != algorithmic_rid_base()) {
6321 DEBUG(0, ("The value of 'algorithmic RID base' has "
6322 "changed since the LDAP\n"
6323 "database was initialised. Aborting. \n"));
6324 ldap_msgfree(result);
6325 TALLOC_FREE(alg_rid_base_string);
6326 return NT_STATUS_UNSUCCESSFUL;
6327 }
6328 TALLOC_FREE(alg_rid_base_string);
6329 }
6330 ldap_msgfree(result);
6331
6332 return NT_STATUS_OK;
6333 }
6334
6335 NTSTATUS pdb_ldap_init(void)
6336 {
6337 NTSTATUS nt_status;
6338 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6339 return nt_status;
6340
6341 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6342 return nt_status;
6343
6344 /* Let pdb_nds register backends */
6345 pdb_nds_init();
6346
6347 return NT_STATUS_OK;
6348 }
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