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s3:smbd: also fill the memcache with sid<->id mappings in ldapsam_sid_to_id()
[Samba/gbeck.git] / source3 / passdb / pdb_ldap.c
blob40225555d7bf8048351afdb455469e4d399857e0
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_first_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_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
844 if (user_dn != NULL) {
845 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %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 TALLOC_FREE(user_dn);
852 return False;
853 }
854 ZERO_STRUCT(smblmpwd);
855 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
856 TALLOC_FREE(user_dn);
857 return False;
858 }
859 ZERO_STRUCT(smbntpwd);
860 use_samba_attrs = False;
861 }
862
863 TALLOC_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 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass), uid);
1041 }
1042 }
1043
1044 /* check the timestamp of the cache vs ldap entry */
1045 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1046 entry))) {
1047 ret = true;
1048 goto fn_exit;
1049 }
1050
1051 /* see if we have newer updates */
1052 if (!(cache_entry = login_cache_read(sampass))) {
1053 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1054 (unsigned int)pdb_get_bad_password_count(sampass),
1055 (unsigned int)pdb_get_bad_password_time(sampass)));
1056 ret = true;
1057 goto fn_exit;
1058 }
1059
1060 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1061 (unsigned int)ldap_entry_time,
1062 (unsigned int)cache_entry->entry_timestamp,
1063 (unsigned int)cache_entry->bad_password_time));
1064
1065 if (ldap_entry_time > cache_entry->entry_timestamp) {
1066 /* cache is older than directory , so
1067 we need to delete the entry but allow the
1068 fields to be written out */
1069 login_cache_delentry(sampass);
1070 } else {
1071 /* read cache in */
1072 pdb_set_acct_ctrl(sampass,
1073 pdb_get_acct_ctrl(sampass) |
1074 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1075 PDB_SET);
1076 pdb_set_bad_password_count(sampass,
1077 cache_entry->bad_password_count,
1078 PDB_SET);
1079 pdb_set_bad_password_time(sampass,
1080 cache_entry->bad_password_time,
1081 PDB_SET);
1082 }
1083
1084 ret = true;
1085
1086 fn_exit:
1087
1088 TALLOC_FREE(ctx);
1089 SAFE_FREE(cache_entry);
1090 return ret;
1091 }
1092
1093 /**********************************************************************
1094 Initialize the ldap db from a struct samu. Called on update.
1095 (Based on init_buffer_from_sam in pdb_tdb.c)
1096 *********************************************************************/
1097
1098 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1099 LDAPMessage *existing,
1100 LDAPMod *** mods, struct samu * sampass,
1101 bool (*need_update)(const struct samu *,
1102 enum pdb_elements))
1103 {
1104 char *temp = NULL;
1105 uint32 rid;
1106
1107 if (mods == NULL || sampass == NULL) {
1108 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1109 return False;
1110 }
1111
1112 *mods = NULL;
1113
1114 /*
1115 * took out adding "objectclass: sambaAccount"
1116 * do this on a per-mod basis
1117 */
1118 if (need_update(sampass, PDB_USERNAME)) {
1119 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1120 "uid", pdb_get_username(sampass));
1121 if (ldap_state->is_nds_ldap) {
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 "cn", pdb_get_username(sampass));
1124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1125 "sn", pdb_get_username(sampass));
1126 }
1127 }
1128
1129 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1130
1131 /* only update the RID if we actually need to */
1132 if (need_update(sampass, PDB_USERSID)) {
1133 fstring sid_string;
1134 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1135
1136 switch ( ldap_state->schema_ver ) {
1137 case SCHEMAVER_SAMBAACCOUNT:
1138 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1139 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1140 sid_string_dbg(user_sid),
1141 sid_string_dbg(
1142 &ldap_state->domain_sid)));
1143 return False;
1144 }
1145 if (asprintf(&temp, "%i", rid) < 0) {
1146 return false;
1147 }
1148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1149 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1150 temp);
1151 SAFE_FREE(temp);
1152 break;
1153
1154 case SCHEMAVER_SAMBASAMACCOUNT:
1155 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1156 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1157 sid_to_fstring(sid_string, user_sid));
1158 break;
1159
1160 default:
1161 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1162 break;
1163 }
1164 }
1165
1166 /* we don't need to store the primary group RID - so leaving it
1167 'free' to hang off the unix primary group makes life easier */
1168
1169 if (need_update(sampass, PDB_GROUPSID)) {
1170 fstring sid_string;
1171 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1172
1173 switch ( ldap_state->schema_ver ) {
1174 case SCHEMAVER_SAMBAACCOUNT:
1175 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1176 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1177 sid_string_dbg(group_sid),
1178 sid_string_dbg(
1179 &ldap_state->domain_sid)));
1180 return False;
1181 }
1182
1183 if (asprintf(&temp, "%i", rid) < 0) {
1184 return false;
1185 }
1186 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1187 get_userattr_key2string(ldap_state->schema_ver,
1188 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1189 SAFE_FREE(temp);
1190 break;
1191
1192 case SCHEMAVER_SAMBASAMACCOUNT:
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver,
1195 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1196 break;
1197
1198 default:
1199 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1200 break;
1201 }
1202
1203 }
1204
1205 /* displayName, cn, and gecos should all be the same
1206 * most easily accomplished by giving them the same OID
1207 * gecos isn't set here b/c it should be handled by the
1208 * add-user script
1209 * We change displayName only and fall back to cn if
1210 * it does not exist.
1211 */
1212
1213 if (need_update(sampass, PDB_FULLNAME))
1214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1215 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1216 pdb_get_fullname(sampass));
1217
1218 if (need_update(sampass, PDB_ACCTDESC))
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1221 pdb_get_acct_desc(sampass));
1222
1223 if (need_update(sampass, PDB_WORKSTATIONS))
1224 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1225 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1226 pdb_get_workstations(sampass));
1227
1228 if (need_update(sampass, PDB_MUNGEDDIAL))
1229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1230 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1231 pdb_get_munged_dial(sampass));
1232
1233 if (need_update(sampass, PDB_SMBHOME))
1234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1235 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1236 pdb_get_homedir(sampass));
1237
1238 if (need_update(sampass, PDB_DRIVE))
1239 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1240 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1241 pdb_get_dir_drive(sampass));
1242
1243 if (need_update(sampass, PDB_LOGONSCRIPT))
1244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1246 pdb_get_logon_script(sampass));
1247
1248 if (need_update(sampass, PDB_PROFILE))
1249 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1250 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1251 pdb_get_profile_path(sampass));
1252
1253 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1254 return false;
1255 }
1256 if (need_update(sampass, PDB_LOGONTIME))
1257 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1259 SAFE_FREE(temp);
1260
1261 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1262 return false;
1263 }
1264 if (need_update(sampass, PDB_LOGOFFTIME))
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1267 SAFE_FREE(temp);
1268
1269 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1270 return false;
1271 }
1272 if (need_update(sampass, PDB_KICKOFFTIME))
1273 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1274 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1275 SAFE_FREE(temp);
1276
1277 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1278 return false;
1279 }
1280 if (need_update(sampass, PDB_CANCHANGETIME))
1281 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1282 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1283 SAFE_FREE(temp);
1284
1285 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1286 return false;
1287 }
1288 if (need_update(sampass, PDB_MUSTCHANGETIME))
1289 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1290 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1291 SAFE_FREE(temp);
1292
1293 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1294 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1295
1296 if (need_update(sampass, PDB_LMPASSWD)) {
1297 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1298 if (lm_pw) {
1299 char pwstr[34];
1300 pdb_sethexpwd(pwstr, lm_pw,
1301 pdb_get_acct_ctrl(sampass));
1302 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304 pwstr);
1305 } else {
1306 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1308 NULL);
1309 }
1310 }
1311 if (need_update(sampass, PDB_NTPASSWD)) {
1312 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1313 if (nt_pw) {
1314 char pwstr[34];
1315 pdb_sethexpwd(pwstr, nt_pw,
1316 pdb_get_acct_ctrl(sampass));
1317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1319 pwstr);
1320 } else {
1321 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1323 NULL);
1324 }
1325 }
1326
1327 if (need_update(sampass, PDB_PWHISTORY)) {
1328 char *pwstr = NULL;
1329 uint32 pwHistLen = 0;
1330 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1331
1332 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1333 if (!pwstr) {
1334 return false;
1335 }
1336 if (pwHistLen == 0) {
1337 /* Remove any password history from the LDAP store. */
1338 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1339 pwstr[64] = '\0';
1340 } else {
1341 int i;
1342 uint32 currHistLen = 0;
1343 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1344 if (pwhist != NULL) {
1345 /* We can only store (1024-1/64 password history entries. */
1346 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1347 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1348 /* Store the salt. */
1349 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1350 /* Followed by the md5 hash of salt + md4 hash */
1351 pdb_sethexpwd(&pwstr[(i*64)+32],
1352 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1353 DEBUG(100, ("pwstr=%s\n", pwstr));
1354 }
1355 }
1356 }
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1359 pwstr);
1360 SAFE_FREE(pwstr);
1361 }
1362
1363 if (need_update(sampass, PDB_PASSLASTSET)) {
1364 if (asprintf(&temp, "%li",
1365 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1366 return false;
1367 }
1368 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1370 temp);
1371 SAFE_FREE(temp);
1372 }
1373 }
1374
1375 if (need_update(sampass, PDB_HOURS)) {
1376 const uint8 *hours = pdb_get_hours(sampass);
1377 if (hours) {
1378 char hourstr[44];
1379 pdb_sethexhours(hourstr, hours);
1380 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1381 existing,
1382 mods,
1383 get_userattr_key2string(ldap_state->schema_ver,
1384 LDAP_ATTR_LOGON_HOURS),
1385 hourstr);
1386 }
1387 }
1388
1389 if (need_update(sampass, PDB_ACCTCTRL))
1390 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1391 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1392 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1393
1394 /* password lockout cache:
1395 - If we are now autolocking or clearing, we write to ldap
1396 - If we are clearing, we delete the cache entry
1397 - If the count is > 0, we update the cache
1398
1399 This even means when autolocking, we cache, just in case the
1400 update doesn't work, and we have to cache the autolock flag */
1401
1402 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1403 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1404 uint16 badcount = pdb_get_bad_password_count(sampass);
1405 time_t badtime = pdb_get_bad_password_time(sampass);
1406 uint32 pol;
1407 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1408
1409 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1410 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1411
1412 if ((badcount >= pol) || (badcount == 0)) {
1413 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1414 (unsigned int)badcount, (unsigned int)badtime));
1415 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1416 return false;
1417 }
1418 smbldap_make_mod(
1419 ldap_state->smbldap_state->ldap_struct,
1420 existing, mods,
1421 get_userattr_key2string(
1422 ldap_state->schema_ver,
1423 LDAP_ATTR_BAD_PASSWORD_COUNT),
1424 temp);
1425 SAFE_FREE(temp);
1426
1427 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1428 return false;
1429 }
1430 smbldap_make_mod(
1431 ldap_state->smbldap_state->ldap_struct,
1432 existing, mods,
1433 get_userattr_key2string(
1434 ldap_state->schema_ver,
1435 LDAP_ATTR_BAD_PASSWORD_TIME),
1436 temp);
1437 SAFE_FREE(temp);
1438 }
1439 if (badcount == 0) {
1440 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1441 login_cache_delentry(sampass);
1442 } else {
1443 LOGIN_CACHE cache_entry;
1444
1445 cache_entry.entry_timestamp = time(NULL);
1446 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1447 cache_entry.bad_password_count = badcount;
1448 cache_entry.bad_password_time = badtime;
1449
1450 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1451 login_cache_write(sampass, cache_entry);
1452 }
1453 }
1454
1455 return True;
1456 }
1457
1458 /**********************************************************************
1459 End enumeration of the LDAP password list.
1460 *********************************************************************/
1461
1462 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1463 {
1464 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1465 if (ldap_state->result) {
1466 ldap_msgfree(ldap_state->result);
1467 ldap_state->result = NULL;
1468 }
1469 }
1470
1471 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1472 const char *new_attr)
1473 {
1474 int i;
1475
1476 if (new_attr == NULL) {
1477 return;
1478 }
1479
1480 for (i=0; (*attr_list)[i] != NULL; i++) {
1481 ;
1482 }
1483
1484 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1485 const char *, i+2);
1486 SMB_ASSERT((*attr_list) != NULL);
1487 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1488 (*attr_list)[i+1] = NULL;
1489 }
1490
1491 /**********************************************************************
1492 Get struct samu entry from LDAP by username.
1493 *********************************************************************/
1494
1495 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1496 {
1497 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1498 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1499 LDAPMessage *result = NULL;
1500 LDAPMessage *entry = NULL;
1501 int count;
1502 const char ** attr_list;
1503 int rc;
1504
1505 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1506 append_attr(user, &attr_list,
1507 get_userattr_key2string(ldap_state->schema_ver,
1508 LDAP_ATTR_MOD_TIMESTAMP));
1509 append_attr(user, &attr_list, "uidNumber");
1510 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1511 attr_list);
1512 TALLOC_FREE( attr_list );
1513
1514 if ( rc != LDAP_SUCCESS )
1515 return NT_STATUS_NO_SUCH_USER;
1516
1517 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1518
1519 if (count < 1) {
1520 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1521 ldap_msgfree(result);
1522 return NT_STATUS_NO_SUCH_USER;
1523 } else if (count > 1) {
1524 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1525 ldap_msgfree(result);
1526 return NT_STATUS_NO_SUCH_USER;
1527 }
1528
1529 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1530 if (entry) {
1531 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1532 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1533 ldap_msgfree(result);
1534 return NT_STATUS_NO_SUCH_USER;
1535 }
1536 pdb_set_backend_private_data(user, result, NULL,
1537 my_methods, PDB_CHANGED);
1538 talloc_autofree_ldapmsg(user, result);
1539 ret = NT_STATUS_OK;
1540 } else {
1541 ldap_msgfree(result);
1542 }
1543 return ret;
1544 }
1545
1546 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1547 const DOM_SID *sid, LDAPMessage **result)
1548 {
1549 int rc = -1;
1550 const char ** attr_list;
1551 uint32 rid;
1552
1553 switch ( ldap_state->schema_ver ) {
1554 case SCHEMAVER_SAMBASAMACCOUNT: {
1555 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1556 if (tmp_ctx == NULL) {
1557 return LDAP_NO_MEMORY;
1558 }
1559
1560 attr_list = get_userattr_list(tmp_ctx,
1561 ldap_state->schema_ver);
1562 append_attr(tmp_ctx, &attr_list,
1563 get_userattr_key2string(
1564 ldap_state->schema_ver,
1565 LDAP_ATTR_MOD_TIMESTAMP));
1566 append_attr(tmp_ctx, &attr_list, "uidNumber");
1567 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1568 result, attr_list);
1569 TALLOC_FREE(tmp_ctx);
1570
1571 if ( rc != LDAP_SUCCESS )
1572 return rc;
1573 break;
1574 }
1575
1576 case SCHEMAVER_SAMBAACCOUNT:
1577 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1578 return rc;
1579 }
1580
1581 attr_list = get_userattr_list(NULL,
1582 ldap_state->schema_ver);
1583 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1584 TALLOC_FREE( attr_list );
1585
1586 if ( rc != LDAP_SUCCESS )
1587 return rc;
1588 break;
1589 }
1590 return rc;
1591 }
1592
1593 /**********************************************************************
1594 Get struct samu entry from LDAP by SID.
1595 *********************************************************************/
1596
1597 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1598 {
1599 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1600 LDAPMessage *result = NULL;
1601 LDAPMessage *entry = NULL;
1602 int count;
1603 int rc;
1604
1605 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1606 sid, &result);
1607 if (rc != LDAP_SUCCESS)
1608 return NT_STATUS_NO_SUCH_USER;
1609
1610 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1611
1612 if (count < 1) {
1613 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1614 "count=%d\n", sid_string_dbg(sid), count));
1615 ldap_msgfree(result);
1616 return NT_STATUS_NO_SUCH_USER;
1617 } else if (count > 1) {
1618 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1619 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1620 count));
1621 ldap_msgfree(result);
1622 return NT_STATUS_NO_SUCH_USER;
1623 }
1624
1625 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1626 if (!entry) {
1627 ldap_msgfree(result);
1628 return NT_STATUS_NO_SUCH_USER;
1629 }
1630
1631 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1632 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1633 ldap_msgfree(result);
1634 return NT_STATUS_NO_SUCH_USER;
1635 }
1636
1637 pdb_set_backend_private_data(user, result, NULL,
1638 my_methods, PDB_CHANGED);
1639 talloc_autofree_ldapmsg(user, result);
1640 return NT_STATUS_OK;
1641 }
1642
1643 /********************************************************************
1644 Do the actual modification - also change a plaintext passord if
1645 it it set.
1646 **********************************************************************/
1647
1648 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1649 struct samu *newpwd, char *dn,
1650 LDAPMod **mods, int ldap_op,
1651 bool (*need_update)(const struct samu *, enum pdb_elements))
1652 {
1653 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1654 int rc;
1655
1656 if (!newpwd || !dn) {
1657 return NT_STATUS_INVALID_PARAMETER;
1658 }
1659
1660 if (!mods) {
1661 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1662 /* may be password change below however */
1663 } else {
1664 switch(ldap_op) {
1665 case LDAP_MOD_ADD:
1666 if (ldap_state->is_nds_ldap) {
1667 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1668 "objectclass",
1669 "inetOrgPerson");
1670 } else {
1671 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1672 "objectclass",
1673 LDAP_OBJ_ACCOUNT);
1674 }
1675 rc = smbldap_add(ldap_state->smbldap_state,
1676 dn, mods);
1677 break;
1678 case LDAP_MOD_REPLACE:
1679 rc = smbldap_modify(ldap_state->smbldap_state,
1680 dn ,mods);
1681 break;
1682 default:
1683 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1684 ldap_op));
1685 return NT_STATUS_INVALID_PARAMETER;
1686 }
1687
1688 if (rc!=LDAP_SUCCESS) {
1689 return NT_STATUS_UNSUCCESSFUL;
1690 }
1691 }
1692
1693 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1694 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1695 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1696 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1697 BerElement *ber;
1698 struct berval *bv;
1699 char *retoid = NULL;
1700 struct berval *retdata = NULL;
1701 char *utf8_password;
1702 char *utf8_dn;
1703 size_t converted_size;
1704 int ret;
1705
1706 if (!ldap_state->is_nds_ldap) {
1707
1708 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1709 LDAP_EXOP_MODIFY_PASSWD)) {
1710 DEBUG(2, ("ldap password change requested, but LDAP "
1711 "server does not support it -- ignoring\n"));
1712 return NT_STATUS_OK;
1713 }
1714 }
1715
1716 if (!push_utf8_allocate(&utf8_password,
1717 pdb_get_plaintext_passwd(newpwd),
1718 &converted_size))
1719 {
1720 return NT_STATUS_NO_MEMORY;
1721 }
1722
1723 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1724 SAFE_FREE(utf8_password);
1725 return NT_STATUS_NO_MEMORY;
1726 }
1727
1728 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1729 DEBUG(0,("ber_alloc_t returns NULL\n"));
1730 SAFE_FREE(utf8_password);
1731 SAFE_FREE(utf8_dn);
1732 return NT_STATUS_UNSUCCESSFUL;
1733 }
1734
1735 if ((ber_printf (ber, "{") < 0) ||
1736 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1737 utf8_dn) < 0)) {
1738 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1739 "value <0\n"));
1740 ber_free(ber,1);
1741 SAFE_FREE(utf8_dn);
1742 SAFE_FREE(utf8_password);
1743 return NT_STATUS_UNSUCCESSFUL;
1744 }
1745
1746 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1747 ret = ber_printf(ber, "ts}",
1748 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1749 utf8_password);
1750 } else {
1751 ret = ber_printf(ber, "}");
1752 }
1753
1754 if (ret < 0) {
1755 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1756 "value <0\n"));
1757 ber_free(ber,1);
1758 SAFE_FREE(utf8_dn);
1759 SAFE_FREE(utf8_password);
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762
1763 if ((rc = ber_flatten (ber, &bv))<0) {
1764 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1765 ber_free(ber,1);
1766 SAFE_FREE(utf8_dn);
1767 SAFE_FREE(utf8_password);
1768 return NT_STATUS_UNSUCCESSFUL;
1769 }
1770
1771 SAFE_FREE(utf8_dn);
1772 SAFE_FREE(utf8_password);
1773 ber_free(ber, 1);
1774
1775 if (!ldap_state->is_nds_ldap) {
1776 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1777 LDAP_EXOP_MODIFY_PASSWD,
1778 bv, NULL, NULL, &retoid,
1779 &retdata);
1780 } else {
1781 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1782 pdb_get_plaintext_passwd(newpwd));
1783 }
1784 if (rc != LDAP_SUCCESS) {
1785 char *ld_error = NULL;
1786
1787 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1788 DEBUG(3, ("Could not set userPassword "
1789 "attribute due to an objectClass "
1790 "violation -- ignoring\n"));
1791 ber_bvfree(bv);
1792 return NT_STATUS_OK;
1793 }
1794
1795 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1796 &ld_error);
1797 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1798 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1799 SAFE_FREE(ld_error);
1800 ber_bvfree(bv);
1801 #if defined(LDAP_CONSTRAINT_VIOLATION)
1802 if (rc == LDAP_CONSTRAINT_VIOLATION)
1803 return NT_STATUS_PASSWORD_RESTRICTION;
1804 #endif
1805 return NT_STATUS_UNSUCCESSFUL;
1806 } else {
1807 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1808 #ifdef DEBUG_PASSWORD
1809 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1810 #endif
1811 if (retdata)
1812 ber_bvfree(retdata);
1813 if (retoid)
1814 ldap_memfree(retoid);
1815 }
1816 ber_bvfree(bv);
1817 }
1818 return NT_STATUS_OK;
1819 }
1820
1821 /**********************************************************************
1822 Delete entry from LDAP for username.
1823 *********************************************************************/
1824
1825 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1826 struct samu * sam_acct)
1827 {
1828 struct ldapsam_privates *priv =
1829 (struct ldapsam_privates *)my_methods->private_data;
1830 const char *sname;
1831 int rc;
1832 LDAPMessage *msg, *entry;
1833 NTSTATUS result = NT_STATUS_NO_MEMORY;
1834 const char **attr_list;
1835 TALLOC_CTX *mem_ctx;
1836
1837 if (!sam_acct) {
1838 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1839 return NT_STATUS_INVALID_PARAMETER;
1840 }
1841
1842 sname = pdb_get_username(sam_acct);
1843
1844 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1845 "LDAP.\n", sname));
1846
1847 mem_ctx = talloc_new(NULL);
1848 if (mem_ctx == NULL) {
1849 DEBUG(0, ("talloc_new failed\n"));
1850 goto done;
1851 }
1852
1853 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1854 if (attr_list == NULL) {
1855 goto done;
1856 }
1857
1858 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1859
1860 if ((rc != LDAP_SUCCESS) ||
1861 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1862 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1863 DEBUG(5, ("Could not find user %s\n", sname));
1864 result = NT_STATUS_NO_SUCH_USER;
1865 goto done;
1866 }
1867
1868 rc = ldapsam_delete_entry(
1869 priv, mem_ctx, entry,
1870 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1871 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1872 attr_list);
1873
1874 result = (rc == LDAP_SUCCESS) ?
1875 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1876
1877 done:
1878 TALLOC_FREE(mem_ctx);
1879 return result;
1880 }
1881
1882 /**********************************************************************
1883 Helper function to determine for update_sam_account whether
1884 we need LDAP modification.
1885 *********************************************************************/
1886
1887 static bool element_is_changed(const struct samu *sampass,
1888 enum pdb_elements element)
1889 {
1890 return IS_SAM_CHANGED(sampass, element);
1891 }
1892
1893 /**********************************************************************
1894 Update struct samu.
1895 *********************************************************************/
1896
1897 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1898 {
1899 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1900 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1901 int rc = 0;
1902 char *dn;
1903 LDAPMessage *result = NULL;
1904 LDAPMessage *entry = NULL;
1905 LDAPMod **mods = NULL;
1906 const char **attr_list;
1907
1908 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1909 if (!result) {
1910 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1911 if (pdb_get_username(newpwd) == NULL) {
1912 return NT_STATUS_INVALID_PARAMETER;
1913 }
1914 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1915 TALLOC_FREE( attr_list );
1916 if (rc != LDAP_SUCCESS) {
1917 return NT_STATUS_UNSUCCESSFUL;
1918 }
1919 pdb_set_backend_private_data(newpwd, result, NULL,
1920 my_methods, PDB_CHANGED);
1921 talloc_autofree_ldapmsg(newpwd, result);
1922 }
1923
1924 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1925 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1926 return NT_STATUS_UNSUCCESSFUL;
1927 }
1928
1929 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1930 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1931 if (!dn) {
1932 return NT_STATUS_UNSUCCESSFUL;
1933 }
1934
1935 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1936
1937 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1938 element_is_changed)) {
1939 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1940 TALLOC_FREE(dn);
1941 if (mods != NULL)
1942 ldap_mods_free(mods,True);
1943 return NT_STATUS_UNSUCCESSFUL;
1944 }
1945
1946 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1947 && (mods == NULL)) {
1948 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1949 pdb_get_username(newpwd)));
1950 TALLOC_FREE(dn);
1951 return NT_STATUS_OK;
1952 }
1953
1954 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1955
1956 if (mods != NULL) {
1957 ldap_mods_free(mods,True);
1958 }
1959
1960 TALLOC_FREE(dn);
1961
1962 /*
1963 * We need to set the backend private data to NULL here. For example
1964 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1965 * same one, and with the explicit delete / add logic for attribute
1966 * values the second time we would use the wrong "old" value which
1967 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1968 * the update.
1969 * The existing LDAPMessage is still being auto-freed by the
1970 * destructor.
1971 */
1972 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1973 PDB_CHANGED);
1974
1975 if (!NT_STATUS_IS_OK(ret)) {
1976 return ret;
1977 }
1978
1979 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1980 pdb_get_username(newpwd)));
1981 return NT_STATUS_OK;
1982 }
1983
1984 /***************************************************************************
1985 Renames a struct samu
1986 - The "rename user script" has full responsibility for changing everything
1987 ***************************************************************************/
1988
1989 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1990 struct samu *old_acct,
1991 const char *newname)
1992 {
1993 const char *oldname;
1994 int rc;
1995 char *rename_script = NULL;
1996 fstring oldname_lower, newname_lower;
1997
1998 if (!old_acct) {
1999 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2000 return NT_STATUS_INVALID_PARAMETER;
2001 }
2002 if (!newname) {
2003 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2004 return NT_STATUS_INVALID_PARAMETER;
2005 }
2006
2007 oldname = pdb_get_username(old_acct);
2008
2009 /* rename the posix user */
2010 rename_script = SMB_STRDUP(lp_renameuser_script());
2011 if (rename_script == NULL) {
2012 return NT_STATUS_NO_MEMORY;
2013 }
2014
2015 if (!(*rename_script)) {
2016 SAFE_FREE(rename_script);
2017 return NT_STATUS_ACCESS_DENIED;
2018 }
2019
2020 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2021 oldname, newname));
2022
2023 /* We have to allow the account name to end with a '$'.
2024 Also, follow the semantics in _samr_create_user() and lower case the
2025 posix name but preserve the case in passdb */
2026
2027 fstrcpy( oldname_lower, oldname );
2028 strlower_m( oldname_lower );
2029 fstrcpy( newname_lower, newname );
2030 strlower_m( newname_lower );
2031 rename_script = realloc_string_sub2(rename_script,
2032 "%unew",
2033 newname_lower,
2034 true,
2035 true);
2036 if (!rename_script) {
2037 return NT_STATUS_NO_MEMORY;
2038 }
2039 rename_script = realloc_string_sub2(rename_script,
2040 "%uold",
2041 oldname_lower,
2042 true,
2043 true);
2044 rc = smbrun(rename_script, NULL);
2045
2046 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2047 rename_script, rc));
2048
2049 SAFE_FREE(rename_script);
2050
2051 if (rc == 0) {
2052 smb_nscd_flush_user_cache();
2053 }
2054
2055 if (rc)
2056 return NT_STATUS_UNSUCCESSFUL;
2057
2058 return NT_STATUS_OK;
2059 }
2060
2061 /**********************************************************************
2062 Helper function to determine for update_sam_account whether
2063 we need LDAP modification.
2064 *********************************************************************/
2065
2066 static bool element_is_set_or_changed(const struct samu *sampass,
2067 enum pdb_elements element)
2068 {
2069 return (IS_SAM_SET(sampass, element) ||
2070 IS_SAM_CHANGED(sampass, element));
2071 }
2072
2073 /**********************************************************************
2074 Add struct samu to LDAP.
2075 *********************************************************************/
2076
2077 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2078 {
2079 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2080 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2081 int rc;
2082 LDAPMessage *result = NULL;
2083 LDAPMessage *entry = NULL;
2084 LDAPMod **mods = NULL;
2085 int ldap_op = LDAP_MOD_REPLACE;
2086 uint32 num_result;
2087 const char **attr_list;
2088 char *escape_user = NULL;
2089 const char *username = pdb_get_username(newpwd);
2090 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2091 char *filter = NULL;
2092 char *dn = NULL;
2093 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2094 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2095
2096 if (!ctx) {
2097 return NT_STATUS_NO_MEMORY;
2098 }
2099
2100 if (!username || !*username) {
2101 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2102 status = NT_STATUS_INVALID_PARAMETER;
2103 goto fn_exit;
2104 }
2105
2106 /* free this list after the second search or in case we exit on failure */
2107 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2108
2109 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2110
2111 if (rc != LDAP_SUCCESS) {
2112 goto fn_exit;
2113 }
2114
2115 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2116 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2117 username));
2118 goto fn_exit;
2119 }
2120 ldap_msgfree(result);
2121 result = NULL;
2122
2123 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2124 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2125 sid, &result);
2126 if (rc == LDAP_SUCCESS) {
2127 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2128 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2129 "already in the base, with samba "
2130 "attributes\n", sid_string_dbg(sid)));
2131 goto fn_exit;
2132 }
2133 ldap_msgfree(result);
2134 result = NULL;
2135 }
2136 }
2137
2138 /* does the entry already exist but without a samba attributes?
2139 we need to return the samba attributes here */
2140
2141 escape_user = escape_ldap_string_alloc( username );
2142 filter = talloc_strdup(attr_list, "(uid=%u)");
2143 if (!filter) {
2144 status = NT_STATUS_NO_MEMORY;
2145 goto fn_exit;
2146 }
2147 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2148 if (!filter) {
2149 status = NT_STATUS_NO_MEMORY;
2150 goto fn_exit;
2151 }
2152 SAFE_FREE(escape_user);
2153
2154 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2155 filter, attr_list, &result);
2156 if ( rc != LDAP_SUCCESS ) {
2157 goto fn_exit;
2158 }
2159
2160 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2161
2162 if (num_result > 1) {
2163 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2164 goto fn_exit;
2165 }
2166
2167 /* Check if we need to update an existing entry */
2168 if (num_result == 1) {
2169 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2170 ldap_op = LDAP_MOD_REPLACE;
2171 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2172 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2173 if (!dn) {
2174 status = NT_STATUS_NO_MEMORY;
2175 goto fn_exit;
2176 }
2177
2178 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2179
2180 /* There might be a SID for this account already - say an idmap entry */
2181
2182 filter = talloc_asprintf(ctx,
2183 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2184 get_userattr_key2string(ldap_state->schema_ver,
2185 LDAP_ATTR_USER_SID),
2186 sid_string_talloc(ctx, sid),
2187 LDAP_OBJ_IDMAP_ENTRY,
2188 LDAP_OBJ_SID_ENTRY);
2189 if (!filter) {
2190 status = NT_STATUS_NO_MEMORY;
2191 goto fn_exit;
2192 }
2193
2194 /* free old result before doing a new search */
2195 if (result != NULL) {
2196 ldap_msgfree(result);
2197 result = NULL;
2198 }
2199 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2200 filter, attr_list, &result);
2201
2202 if ( rc != LDAP_SUCCESS ) {
2203 goto fn_exit;
2204 }
2205
2206 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2207
2208 if (num_result > 1) {
2209 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2210 goto fn_exit;
2211 }
2212
2213 /* Check if we need to update an existing entry */
2214 if (num_result == 1) {
2215
2216 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2217 ldap_op = LDAP_MOD_REPLACE;
2218 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2219 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2220 if (!dn) {
2221 status = NT_STATUS_NO_MEMORY;
2222 goto fn_exit;
2223 }
2224 }
2225 }
2226
2227 if (num_result == 0) {
2228 char *escape_username;
2229 /* Check if we need to add an entry */
2230 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2231 ldap_op = LDAP_MOD_ADD;
2232
2233 escape_username = escape_rdn_val_string_alloc(username);
2234 if (!escape_username) {
2235 status = NT_STATUS_NO_MEMORY;
2236 goto fn_exit;
2237 }
2238
2239 if (username[strlen(username)-1] == '$') {
2240 dn = talloc_asprintf(ctx,
2241 "uid=%s,%s",
2242 escape_username,
2243 lp_ldap_machine_suffix());
2244 } else {
2245 dn = talloc_asprintf(ctx,
2246 "uid=%s,%s",
2247 escape_username,
2248 lp_ldap_user_suffix());
2249 }
2250
2251 SAFE_FREE(escape_username);
2252 if (!dn) {
2253 status = NT_STATUS_NO_MEMORY;
2254 goto fn_exit;
2255 }
2256 }
2257
2258 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2259 element_is_set_or_changed)) {
2260 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2261 if (mods != NULL) {
2262 ldap_mods_free(mods, true);
2263 }
2264 goto fn_exit;
2265 }
2266
2267 if (mods == NULL) {
2268 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2269 goto fn_exit;
2270 }
2271 switch ( ldap_state->schema_ver ) {
2272 case SCHEMAVER_SAMBAACCOUNT:
2273 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2274 break;
2275 case SCHEMAVER_SAMBASAMACCOUNT:
2276 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2277 break;
2278 default:
2279 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2280 break;
2281 }
2282
2283 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2284 if (!NT_STATUS_IS_OK(ret)) {
2285 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2286 pdb_get_username(newpwd),dn));
2287 ldap_mods_free(mods, true);
2288 goto fn_exit;
2289 }
2290
2291 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2292 ldap_mods_free(mods, true);
2293
2294 status = NT_STATUS_OK;
2295
2296 fn_exit:
2297
2298 TALLOC_FREE(ctx);
2299 SAFE_FREE(escape_user);
2300 if (result) {
2301 ldap_msgfree(result);
2302 }
2303 return status;
2304 }
2305
2306 /**********************************************************************
2307 *********************************************************************/
2308
2309 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2310 const char *filter,
2311 LDAPMessage ** result)
2312 {
2313 int scope = LDAP_SCOPE_SUBTREE;
2314 int rc;
2315 const char **attr_list;
2316
2317 attr_list = get_attr_list(NULL, groupmap_attr_list);
2318 rc = smbldap_search(ldap_state->smbldap_state,
2319 lp_ldap_suffix (), scope,
2320 filter, attr_list, 0, result);
2321 TALLOC_FREE(attr_list);
2322
2323 return rc;
2324 }
2325
2326 /**********************************************************************
2327 *********************************************************************/
2328
2329 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2330 GROUP_MAP *map, LDAPMessage *entry)
2331 {
2332 char *temp = NULL;
2333 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2334
2335 if (ldap_state == NULL || map == NULL || entry == NULL ||
2336 ldap_state->smbldap_state->ldap_struct == NULL) {
2337 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2338 TALLOC_FREE(ctx);
2339 return false;
2340 }
2341
2342 temp = smbldap_talloc_single_attribute(
2343 ldap_state->smbldap_state->ldap_struct,
2344 entry,
2345 get_attr_key2string(groupmap_attr_list,
2346 LDAP_ATTR_GIDNUMBER),
2347 ctx);
2348 if (!temp) {
2349 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2350 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2351 TALLOC_FREE(ctx);
2352 return false;
2353 }
2354 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2355
2356 map->gid = (gid_t)atol(temp);
2357
2358 TALLOC_FREE(temp);
2359 temp = smbldap_talloc_single_attribute(
2360 ldap_state->smbldap_state->ldap_struct,
2361 entry,
2362 get_attr_key2string(groupmap_attr_list,
2363 LDAP_ATTR_GROUP_SID),
2364 ctx);
2365 if (!temp) {
2366 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2367 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2368 TALLOC_FREE(ctx);
2369 return false;
2370 }
2371
2372 if (!string_to_sid(&map->sid, temp)) {
2373 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2374 TALLOC_FREE(ctx);
2375 return false;
2376 }
2377
2378 TALLOC_FREE(temp);
2379 temp = smbldap_talloc_single_attribute(
2380 ldap_state->smbldap_state->ldap_struct,
2381 entry,
2382 get_attr_key2string(groupmap_attr_list,
2383 LDAP_ATTR_GROUP_TYPE),
2384 ctx);
2385 if (!temp) {
2386 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2387 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2388 TALLOC_FREE(ctx);
2389 return false;
2390 }
2391 map->sid_name_use = (enum lsa_SidType)atol(temp);
2392
2393 if ((map->sid_name_use < SID_NAME_USER) ||
2394 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2395 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2396 TALLOC_FREE(ctx);
2397 return false;
2398 }
2399
2400 TALLOC_FREE(temp);
2401 temp = smbldap_talloc_single_attribute(
2402 ldap_state->smbldap_state->ldap_struct,
2403 entry,
2404 get_attr_key2string(groupmap_attr_list,
2405 LDAP_ATTR_DISPLAY_NAME),
2406 ctx);
2407 if (!temp) {
2408 temp = smbldap_talloc_single_attribute(
2409 ldap_state->smbldap_state->ldap_struct,
2410 entry,
2411 get_attr_key2string(groupmap_attr_list,
2412 LDAP_ATTR_CN),
2413 ctx);
2414 if (!temp) {
2415 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2416 for gidNumber(%lu)\n",(unsigned long)map->gid));
2417 TALLOC_FREE(ctx);
2418 return false;
2419 }
2420 }
2421 fstrcpy(map->nt_name, temp);
2422
2423 TALLOC_FREE(temp);
2424 temp = smbldap_talloc_single_attribute(
2425 ldap_state->smbldap_state->ldap_struct,
2426 entry,
2427 get_attr_key2string(groupmap_attr_list,
2428 LDAP_ATTR_DESC),
2429 ctx);
2430 if (!temp) {
2431 temp = talloc_strdup(ctx, "");
2432 if (!temp) {
2433 TALLOC_FREE(ctx);
2434 return false;
2435 }
2436 }
2437 fstrcpy(map->comment, temp);
2438
2439 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2440 store_gid_sid_cache(&map->sid, map->gid);
2441 idmap_cache_set_sid2gid(&map->sid, map->gid);
2442 }
2443
2444 TALLOC_FREE(ctx);
2445 return true;
2446 }
2447
2448 /**********************************************************************
2449 *********************************************************************/
2450
2451 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2452 const char *filter,
2453 GROUP_MAP *map)
2454 {
2455 struct ldapsam_privates *ldap_state =
2456 (struct ldapsam_privates *)methods->private_data;
2457 LDAPMessage *result = NULL;
2458 LDAPMessage *entry = NULL;
2459 int count;
2460
2461 if (ldapsam_search_one_group(ldap_state, filter, &result)
2462 != LDAP_SUCCESS) {
2463 return NT_STATUS_NO_SUCH_GROUP;
2464 }
2465
2466 count = ldap_count_entries(priv2ld(ldap_state), result);
2467
2468 if (count < 1) {
2469 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2470 "%s\n", filter));
2471 ldap_msgfree(result);
2472 return NT_STATUS_NO_SUCH_GROUP;
2473 }
2474
2475 if (count > 1) {
2476 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2477 "count=%d\n", filter, count));
2478 ldap_msgfree(result);
2479 return NT_STATUS_NO_SUCH_GROUP;
2480 }
2481
2482 entry = ldap_first_entry(priv2ld(ldap_state), result);
2483
2484 if (!entry) {
2485 ldap_msgfree(result);
2486 return NT_STATUS_UNSUCCESSFUL;
2487 }
2488
2489 if (!init_group_from_ldap(ldap_state, map, entry)) {
2490 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2491 "group filter %s\n", filter));
2492 ldap_msgfree(result);
2493 return NT_STATUS_NO_SUCH_GROUP;
2494 }
2495
2496 ldap_msgfree(result);
2497 return NT_STATUS_OK;
2498 }
2499
2500 /**********************************************************************
2501 *********************************************************************/
2502
2503 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2504 DOM_SID sid)
2505 {
2506 char *filter = NULL;
2507 NTSTATUS status;
2508 fstring tmp;
2509
2510 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2511 LDAP_OBJ_GROUPMAP,
2512 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2513 sid_to_fstring(tmp, &sid)) < 0) {
2514 return NT_STATUS_NO_MEMORY;
2515 }
2516
2517 status = ldapsam_getgroup(methods, filter, map);
2518 SAFE_FREE(filter);
2519 return status;
2520 }
2521
2522 /**********************************************************************
2523 *********************************************************************/
2524
2525 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2526 gid_t gid)
2527 {
2528 char *filter = NULL;
2529 NTSTATUS status;
2530
2531 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2532 LDAP_OBJ_GROUPMAP,
2533 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2534 (unsigned long)gid) < 0) {
2535 return NT_STATUS_NO_MEMORY;
2536 }
2537
2538 status = ldapsam_getgroup(methods, filter, map);
2539 SAFE_FREE(filter);
2540 return status;
2541 }
2542
2543 /**********************************************************************
2544 *********************************************************************/
2545
2546 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2547 const char *name)
2548 {
2549 char *filter = NULL;
2550 char *escape_name = escape_ldap_string_alloc(name);
2551 NTSTATUS status;
2552
2553 if (!escape_name) {
2554 return NT_STATUS_NO_MEMORY;
2555 }
2556
2557 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2558 LDAP_OBJ_GROUPMAP,
2559 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2560 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2561 escape_name) < 0) {
2562 SAFE_FREE(escape_name);
2563 return NT_STATUS_NO_MEMORY;
2564 }
2565
2566 SAFE_FREE(escape_name);
2567 status = ldapsam_getgroup(methods, filter, map);
2568 SAFE_FREE(filter);
2569 return status;
2570 }
2571
2572 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2573 LDAPMessage *entry,
2574 const DOM_SID *domain_sid,
2575 uint32 *rid)
2576 {
2577 fstring str;
2578 DOM_SID sid;
2579
2580 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2581 str, sizeof(str)-1)) {
2582 DEBUG(10, ("Could not find sambaSID attribute\n"));
2583 return False;
2584 }
2585
2586 if (!string_to_sid(&sid, str)) {
2587 DEBUG(10, ("Could not convert string %s to sid\n", str));
2588 return False;
2589 }
2590
2591 if (sid_compare_domain(&sid, domain_sid) != 0) {
2592 DEBUG(10, ("SID %s is not in expected domain %s\n",
2593 str, sid_string_dbg(domain_sid)));
2594 return False;
2595 }
2596
2597 if (!sid_peek_rid(&sid, rid)) {
2598 DEBUG(10, ("Could not peek into RID\n"));
2599 return False;
2600 }
2601
2602 return True;
2603 }
2604
2605 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2606 TALLOC_CTX *mem_ctx,
2607 const DOM_SID *group,
2608 uint32 **pp_member_rids,
2609 size_t *p_num_members)
2610 {
2611 struct ldapsam_privates *ldap_state =
2612 (struct ldapsam_privates *)methods->private_data;
2613 struct smbldap_state *conn = ldap_state->smbldap_state;
2614 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2615 const char *sid_attrs[] = { "sambaSID", NULL };
2616 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2617 LDAPMessage *result = NULL;
2618 LDAPMessage *entry;
2619 char *filter;
2620 char **values = NULL;
2621 char **memberuid;
2622 char *gidstr;
2623 int rc, count;
2624
2625 *pp_member_rids = NULL;
2626 *p_num_members = 0;
2627
2628 filter = talloc_asprintf(mem_ctx,
2629 "(&(objectClass=%s)"
2630 "(objectClass=%s)"
2631 "(sambaSID=%s))",
2632 LDAP_OBJ_POSIXGROUP,
2633 LDAP_OBJ_GROUPMAP,
2634 sid_string_talloc(mem_ctx, group));
2635 if (filter == NULL) {
2636 ret = NT_STATUS_NO_MEMORY;
2637 goto done;
2638 }
2639
2640 rc = smbldap_search(conn, lp_ldap_suffix(),
2641 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2642 &result);
2643
2644 if (rc != LDAP_SUCCESS)
2645 goto done;
2646
2647 talloc_autofree_ldapmsg(mem_ctx, result);
2648
2649 count = ldap_count_entries(conn->ldap_struct, result);
2650
2651 if (count > 1) {
2652 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2653 sid_string_dbg(group)));
2654 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2655 goto done;
2656 }
2657
2658 if (count == 0) {
2659 ret = NT_STATUS_NO_SUCH_GROUP;
2660 goto done;
2661 }
2662
2663 entry = ldap_first_entry(conn->ldap_struct, result);
2664 if (entry == NULL)
2665 goto done;
2666
2667 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2668 if (!gidstr) {
2669 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2670 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2671 goto done;
2672 }
2673
2674 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2675
2676 if ((values != NULL) && (values[0] != NULL)) {
2677
2678 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2679 if (filter == NULL) {
2680 ret = NT_STATUS_NO_MEMORY;
2681 goto done;
2682 }
2683
2684 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2685 char *escape_memberuid;
2686
2687 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2688 if (escape_memberuid == NULL) {
2689 ret = NT_STATUS_NO_MEMORY;
2690 goto done;
2691 }
2692
2693 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2694 if (filter == NULL) {
2695 SAFE_FREE(escape_memberuid);
2696 ret = NT_STATUS_NO_MEMORY;
2697 goto done;
2698 }
2699
2700 SAFE_FREE(escape_memberuid);
2701 }
2702
2703 filter = talloc_asprintf_append_buffer(filter, "))");
2704 if (filter == NULL) {
2705 ret = NT_STATUS_NO_MEMORY;
2706 goto done;
2707 }
2708
2709 rc = smbldap_search(conn, lp_ldap_suffix(),
2710 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2711 &result);
2712
2713 if (rc != LDAP_SUCCESS)
2714 goto done;
2715
2716 count = ldap_count_entries(conn->ldap_struct, result);
2717 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2718
2719 talloc_autofree_ldapmsg(mem_ctx, result);
2720
2721 for (entry = ldap_first_entry(conn->ldap_struct, result);
2722 entry != NULL;
2723 entry = ldap_next_entry(conn->ldap_struct, entry))
2724 {
2725 char *sidstr;
2726 DOM_SID sid;
2727 uint32 rid;
2728
2729 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2730 entry, "sambaSID",
2731 mem_ctx);
2732 if (!sidstr) {
2733 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2734 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2735 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2736 goto done;
2737 }
2738
2739 if (!string_to_sid(&sid, sidstr))
2740 goto done;
2741
2742 if (!sid_check_is_in_our_domain(&sid)) {
2743 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2744 "in our domain\n"));
2745 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2746 goto done;
2747 }
2748
2749 sid_peek_rid(&sid, &rid);
2750
2751 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2752 p_num_members)) {
2753 ret = NT_STATUS_NO_MEMORY;
2754 goto done;
2755 }
2756 }
2757 }
2758
2759 filter = talloc_asprintf(mem_ctx,
2760 "(&(objectClass=%s)"
2761 "(gidNumber=%s))",
2762 LDAP_OBJ_SAMBASAMACCOUNT,
2763 gidstr);
2764
2765 rc = smbldap_search(conn, lp_ldap_suffix(),
2766 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2767 &result);
2768
2769 if (rc != LDAP_SUCCESS)
2770 goto done;
2771
2772 talloc_autofree_ldapmsg(mem_ctx, result);
2773
2774 for (entry = ldap_first_entry(conn->ldap_struct, result);
2775 entry != NULL;
2776 entry = ldap_next_entry(conn->ldap_struct, entry))
2777 {
2778 uint32 rid;
2779
2780 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2781 entry,
2782 get_global_sam_sid(),
2783 &rid)) {
2784 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2785 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2786 goto done;
2787 }
2788
2789 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2790 p_num_members)) {
2791 ret = NT_STATUS_NO_MEMORY;
2792 goto done;
2793 }
2794 }
2795
2796 ret = NT_STATUS_OK;
2797
2798 done:
2799
2800 if (values)
2801 ldap_value_free(values);
2802
2803 return ret;
2804 }
2805
2806 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2807 TALLOC_CTX *mem_ctx,
2808 struct samu *user,
2809 DOM_SID **pp_sids,
2810 gid_t **pp_gids,
2811 size_t *p_num_groups)
2812 {
2813 struct ldapsam_privates *ldap_state =
2814 (struct ldapsam_privates *)methods->private_data;
2815 struct smbldap_state *conn = ldap_state->smbldap_state;
2816 char *filter;
2817 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2818 char *escape_name;
2819 int rc, count;
2820 LDAPMessage *result = NULL;
2821 LDAPMessage *entry;
2822 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2823 size_t num_sids, num_gids;
2824 char *gidstr;
2825 gid_t primary_gid = -1;
2826
2827 *pp_sids = NULL;
2828 num_sids = 0;
2829
2830 if (pdb_get_username(user) == NULL) {
2831 return NT_STATUS_INVALID_PARAMETER;
2832 }
2833
2834 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2835 if (escape_name == NULL)
2836 return NT_STATUS_NO_MEMORY;
2837
2838 /* retrieve the users primary gid */
2839 filter = talloc_asprintf(mem_ctx,
2840 "(&(objectClass=%s)(uid=%s))",
2841 LDAP_OBJ_SAMBASAMACCOUNT,
2842 escape_name);
2843 if (filter == NULL) {
2844 ret = NT_STATUS_NO_MEMORY;
2845 goto done;
2846 }
2847
2848 rc = smbldap_search(conn, lp_ldap_suffix(),
2849 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2850
2851 if (rc != LDAP_SUCCESS)
2852 goto done;
2853
2854 talloc_autofree_ldapmsg(mem_ctx, result);
2855
2856 count = ldap_count_entries(priv2ld(ldap_state), result);
2857
2858 switch (count) {
2859 case 0:
2860 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2861 ret = NT_STATUS_NO_SUCH_USER;
2862 goto done;
2863 case 1:
2864 entry = ldap_first_entry(priv2ld(ldap_state), result);
2865
2866 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2867 if (!gidstr) {
2868 DEBUG (1, ("Unable to find the member's gid!\n"));
2869 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2870 goto done;
2871 }
2872 primary_gid = strtoul(gidstr, NULL, 10);
2873 break;
2874 default:
2875 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2876 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2877 goto done;
2878 }
2879
2880 filter = talloc_asprintf(mem_ctx,
2881 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2882 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2883 if (filter == NULL) {
2884 ret = NT_STATUS_NO_MEMORY;
2885 goto done;
2886 }
2887
2888 rc = smbldap_search(conn, lp_ldap_suffix(),
2889 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2890
2891 if (rc != LDAP_SUCCESS)
2892 goto done;
2893
2894 talloc_autofree_ldapmsg(mem_ctx, result);
2895
2896 num_gids = 0;
2897 *pp_gids = NULL;
2898
2899 num_sids = 0;
2900 *pp_sids = NULL;
2901
2902 /* We need to add the primary group as the first gid/sid */
2903
2904 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2905 ret = NT_STATUS_NO_MEMORY;
2906 goto done;
2907 }
2908
2909 /* This sid will be replaced later */
2910
2911 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2912 &num_sids);
2913 if (!NT_STATUS_IS_OK(ret)) {
2914 goto done;
2915 }
2916
2917 for (entry = ldap_first_entry(conn->ldap_struct, result);
2918 entry != NULL;
2919 entry = ldap_next_entry(conn->ldap_struct, entry))
2920 {
2921 fstring str;
2922 DOM_SID sid;
2923 gid_t gid;
2924 char *end;
2925
2926 if (!smbldap_get_single_attribute(conn->ldap_struct,
2927 entry, "sambaSID",
2928 str, sizeof(str)-1))
2929 continue;
2930
2931 if (!string_to_sid(&sid, str))
2932 goto done;
2933
2934 if (!smbldap_get_single_attribute(conn->ldap_struct,
2935 entry, "gidNumber",
2936 str, sizeof(str)-1))
2937 continue;
2938
2939 gid = strtoul(str, &end, 10);
2940
2941 if (PTR_DIFF(end, str) != strlen(str))
2942 goto done;
2943
2944 if (gid == primary_gid) {
2945 sid_copy(&(*pp_sids)[0], &sid);
2946 } else {
2947 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2948 &num_gids)) {
2949 ret = NT_STATUS_NO_MEMORY;
2950 goto done;
2951 }
2952 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2953 &num_sids);
2954 if (!NT_STATUS_IS_OK(ret)) {
2955 goto done;
2956 }
2957 }
2958 }
2959
2960 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2961 DEBUG(3, ("primary group of [%s] not found\n",
2962 pdb_get_username(user)));
2963 goto done;
2964 }
2965
2966 *p_num_groups = num_sids;
2967
2968 ret = NT_STATUS_OK;
2969
2970 done:
2971
2972 SAFE_FREE(escape_name);
2973 return ret;
2974 }
2975
2976 /**********************************************************************
2977 * Augment a posixGroup object with a sambaGroupMapping domgroup
2978 *********************************************************************/
2979
2980 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2981 struct ldapsam_privates *ldap_state,
2982 GROUP_MAP *map)
2983 {
2984 const char *filter, *dn;
2985 LDAPMessage *msg, *entry;
2986 LDAPMod **mods;
2987 int rc;
2988
2989 filter = talloc_asprintf(mem_ctx,
2990 "(&(objectClass=%s)(gidNumber=%u))",
2991 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2992 if (filter == NULL) {
2993 return NT_STATUS_NO_MEMORY;
2994 }
2995
2996 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2997 get_attr_list(mem_ctx, groupmap_attr_list),
2998 &msg);
2999 talloc_autofree_ldapmsg(mem_ctx, msg);
3000
3001 if ((rc != LDAP_SUCCESS) ||
3002 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3003 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3004 return NT_STATUS_NO_SUCH_GROUP;
3005 }
3006
3007 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3008 if (dn == NULL) {
3009 return NT_STATUS_NO_MEMORY;
3010 }
3011
3012 mods = NULL;
3013 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3014 LDAP_OBJ_GROUPMAP);
3015 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3016 sid_string_talloc(mem_ctx, &map->sid));
3017 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3018 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3019 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3020 map->nt_name);
3021 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3022 map->comment);
3023 talloc_autofree_ldapmod(mem_ctx, mods);
3024
3025 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3026 if (rc != LDAP_SUCCESS) {
3027 return NT_STATUS_ACCESS_DENIED;
3028 }
3029
3030 return NT_STATUS_OK;
3031 }
3032
3033 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3034 GROUP_MAP *map)
3035 {
3036 struct ldapsam_privates *ldap_state =
3037 (struct ldapsam_privates *)methods->private_data;
3038 LDAPMessage *msg = NULL;
3039 LDAPMod **mods = NULL;
3040 const char *attrs[] = { NULL };
3041 char *filter;
3042
3043 char *dn;
3044 TALLOC_CTX *mem_ctx;
3045 NTSTATUS result;
3046
3047 DOM_SID sid;
3048
3049 int rc;
3050
3051 mem_ctx = talloc_new(NULL);
3052 if (mem_ctx == NULL) {
3053 DEBUG(0, ("talloc_new failed\n"));
3054 return NT_STATUS_NO_MEMORY;
3055 }
3056
3057 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3058 sid_string_talloc(mem_ctx, &map->sid));
3059 if (filter == NULL) {
3060 result = NT_STATUS_NO_MEMORY;
3061 goto done;
3062 }
3063
3064 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3065 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3066 talloc_autofree_ldapmsg(mem_ctx, msg);
3067
3068 if ((rc == LDAP_SUCCESS) &&
3069 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3070
3071 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3072 "group mapping entry\n", sid_string_dbg(&map->sid)));
3073 result = NT_STATUS_GROUP_EXISTS;
3074 goto done;
3075 }
3076
3077 switch (map->sid_name_use) {
3078
3079 case SID_NAME_DOM_GRP:
3080 /* To map a domain group we need to have a posix group
3081 to attach to. */
3082 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3083 goto done;
3084 break;
3085
3086 case SID_NAME_ALIAS:
3087 if (!sid_check_is_in_our_domain(&map->sid)
3088 && !sid_check_is_in_builtin(&map->sid) )
3089 {
3090 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3091 sid_string_dbg(&map->sid)));
3092 result = NT_STATUS_INVALID_PARAMETER;
3093 goto done;
3094 }
3095 break;
3096
3097 default:
3098 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3099 sid_type_lookup(map->sid_name_use)));
3100 result = NT_STATUS_INVALID_PARAMETER;
3101 goto done;
3102 }
3103
3104 /* Domain groups have been mapped in a separate routine, we have to
3105 * create an alias now */
3106
3107 if (map->gid == -1) {
3108 DEBUG(10, ("Refusing to map gid==-1\n"));
3109 result = NT_STATUS_INVALID_PARAMETER;
3110 goto done;
3111 }
3112
3113 if (pdb_gid_to_sid(map->gid, &sid)) {
3114 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3115 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3116 result = NT_STATUS_GROUP_EXISTS;
3117 goto done;
3118 }
3119
3120 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3121 * the best we can get out of LDAP. */
3122
3123 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3124 sid_string_talloc(mem_ctx, &map->sid),
3125 lp_ldap_group_suffix());
3126 if (dn == NULL) {
3127 result = NT_STATUS_NO_MEMORY;
3128 goto done;
3129 }
3130
3131 mods = NULL;
3132
3133 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3134 LDAP_OBJ_SID_ENTRY);
3135 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3136 LDAP_OBJ_GROUPMAP);
3137 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3138 sid_string_talloc(mem_ctx, &map->sid));
3139 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3140 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3141 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3142 map->nt_name);
3143 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3144 map->comment);
3145 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3146 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3147 talloc_autofree_ldapmod(mem_ctx, mods);
3148
3149 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3150
3151 result = (rc == LDAP_SUCCESS) ?
3152 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3153
3154 done:
3155 TALLOC_FREE(mem_ctx);
3156 return result;
3157 }
3158
3159 /**********************************************************************
3160 * Update a group mapping entry. We're quite strict about what can be changed:
3161 * Only the description and displayname may be changed. It simply does not
3162 * make any sense to change the SID, gid or the type in a mapping.
3163 *********************************************************************/
3164
3165 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3166 GROUP_MAP *map)
3167 {
3168 struct ldapsam_privates *ldap_state =
3169 (struct ldapsam_privates *)methods->private_data;
3170 int rc;
3171 const char *filter, *dn;
3172 LDAPMessage *msg = NULL;
3173 LDAPMessage *entry = NULL;
3174 LDAPMod **mods = NULL;
3175 TALLOC_CTX *mem_ctx;
3176 NTSTATUS result;
3177
3178 mem_ctx = talloc_new(NULL);
3179 if (mem_ctx == NULL) {
3180 DEBUG(0, ("talloc_new failed\n"));
3181 return NT_STATUS_NO_MEMORY;
3182 }
3183
3184 /* Make 100% sure that sid, gid and type are not changed by looking up
3185 * exactly the values we're given in LDAP. */
3186
3187 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3188 "(sambaSid=%s)(gidNumber=%u)"
3189 "(sambaGroupType=%d))",
3190 LDAP_OBJ_GROUPMAP,
3191 sid_string_talloc(mem_ctx, &map->sid),
3192 (unsigned int)map->gid, map->sid_name_use);
3193 if (filter == NULL) {
3194 result = NT_STATUS_NO_MEMORY;
3195 goto done;
3196 }
3197
3198 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3199 get_attr_list(mem_ctx, groupmap_attr_list),
3200 &msg);
3201 talloc_autofree_ldapmsg(mem_ctx, msg);
3202
3203 if ((rc != LDAP_SUCCESS) ||
3204 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3205 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3206 result = NT_STATUS_NO_SUCH_GROUP;
3207 goto done;
3208 }
3209
3210 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3211
3212 if (dn == NULL) {
3213 result = NT_STATUS_NO_MEMORY;
3214 goto done;
3215 }
3216
3217 mods = NULL;
3218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3219 map->nt_name);
3220 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3221 map->comment);
3222 talloc_autofree_ldapmod(mem_ctx, mods);
3223
3224 if (mods == NULL) {
3225 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3226 "nothing to do\n"));
3227 result = NT_STATUS_OK;
3228 goto done;
3229 }
3230
3231 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3232
3233 if (rc != LDAP_SUCCESS) {
3234 result = NT_STATUS_ACCESS_DENIED;
3235 goto done;
3236 }
3237
3238 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3239 "group %lu in LDAP\n", (unsigned long)map->gid));
3240
3241 result = NT_STATUS_OK;
3242
3243 done:
3244 TALLOC_FREE(mem_ctx);
3245 return result;
3246 }
3247
3248 /**********************************************************************
3249 *********************************************************************/
3250
3251 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3252 DOM_SID sid)
3253 {
3254 struct ldapsam_privates *priv =
3255 (struct ldapsam_privates *)methods->private_data;
3256 LDAPMessage *msg, *entry;
3257 int rc;
3258 NTSTATUS result;
3259 TALLOC_CTX *mem_ctx;
3260 char *filter;
3261
3262 mem_ctx = talloc_new(NULL);
3263 if (mem_ctx == NULL) {
3264 DEBUG(0, ("talloc_new failed\n"));
3265 return NT_STATUS_NO_MEMORY;
3266 }
3267
3268 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3269 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3270 sid_string_talloc(mem_ctx, &sid));
3271 if (filter == NULL) {
3272 result = NT_STATUS_NO_MEMORY;
3273 goto done;
3274 }
3275 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3276 get_attr_list(mem_ctx, groupmap_attr_list),
3277 &msg);
3278 talloc_autofree_ldapmsg(mem_ctx, msg);
3279
3280 if ((rc != LDAP_SUCCESS) ||
3281 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3282 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3283 result = NT_STATUS_NO_SUCH_GROUP;
3284 goto done;
3285 }
3286
3287 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3288 get_attr_list(mem_ctx,
3289 groupmap_attr_list_to_delete));
3290
3291 if ((rc == LDAP_NAMING_VIOLATION) ||
3292 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3293 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3294 const char *attrs[] = { "sambaGroupType", "description",
3295 "displayName", "sambaSIDList",
3296 NULL };
3297
3298 /* Second try. Don't delete the sambaSID attribute, this is
3299 for "old" entries that are tacked on a winbind
3300 sambaIdmapEntry. */
3301
3302 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3303 LDAP_OBJ_GROUPMAP, attrs);
3304 }
3305
3306 if ((rc == LDAP_NAMING_VIOLATION) ||
3307 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3308 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3309 const char *attrs[] = { "sambaGroupType", "description",
3310 "displayName", "sambaSIDList",
3311 "gidNumber", NULL };
3312
3313 /* Third try. This is a post-3.0.21 alias (containing only
3314 * sambaSidEntry and sambaGroupMapping classes), we also have
3315 * to delete the gidNumber attribute, only the sambaSidEntry
3316 * remains */
3317
3318 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3319 LDAP_OBJ_GROUPMAP, attrs);
3320 }
3321
3322 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3323
3324 done:
3325 TALLOC_FREE(mem_ctx);
3326 return result;
3327 }
3328
3329 /**********************************************************************
3330 *********************************************************************/
3331
3332 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3333 bool update)
3334 {
3335 struct ldapsam_privates *ldap_state =
3336 (struct ldapsam_privates *)my_methods->private_data;
3337 char *filter = NULL;
3338 int rc;
3339 const char **attr_list;
3340
3341 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3342 if (!filter) {
3343 return NT_STATUS_NO_MEMORY;
3344 }
3345 attr_list = get_attr_list( NULL, groupmap_attr_list );
3346 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3347 LDAP_SCOPE_SUBTREE, filter,
3348 attr_list, 0, &ldap_state->result);
3349 TALLOC_FREE(attr_list);
3350
3351 if (rc != LDAP_SUCCESS) {
3352 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3353 ldap_err2string(rc)));
3354 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3355 lp_ldap_suffix(), filter));
3356 ldap_msgfree(ldap_state->result);
3357 ldap_state->result = NULL;
3358 TALLOC_FREE(filter);
3359 return NT_STATUS_UNSUCCESSFUL;
3360 }
3361
3362 TALLOC_FREE(filter);
3363
3364 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3365 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3366 ldap_state->result)));
3367
3368 ldap_state->entry =
3369 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3370 ldap_state->result);
3371 ldap_state->index = 0;
3372
3373 return NT_STATUS_OK;
3374 }
3375
3376 /**********************************************************************
3377 *********************************************************************/
3378
3379 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3380 {
3381 ldapsam_endsampwent(my_methods);
3382 }
3383
3384 /**********************************************************************
3385 *********************************************************************/
3386
3387 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3388 GROUP_MAP *map)
3389 {
3390 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3391 struct ldapsam_privates *ldap_state =
3392 (struct ldapsam_privates *)my_methods->private_data;
3393 bool bret = False;
3394
3395 while (!bret) {
3396 if (!ldap_state->entry)
3397 return ret;
3398
3399 ldap_state->index++;
3400 bret = init_group_from_ldap(ldap_state, map,
3401 ldap_state->entry);
3402
3403 ldap_state->entry =
3404 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3405 ldap_state->entry);
3406 }
3407
3408 return NT_STATUS_OK;
3409 }
3410
3411 /**********************************************************************
3412 *********************************************************************/
3413
3414 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3415 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3416 GROUP_MAP **pp_rmap,
3417 size_t *p_num_entries,
3418 bool unix_only)
3419 {
3420 GROUP_MAP map;
3421 size_t entries = 0;
3422
3423 *p_num_entries = 0;
3424 *pp_rmap = NULL;
3425
3426 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3427 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3428 "passdb\n"));
3429 return NT_STATUS_ACCESS_DENIED;
3430 }
3431
3432 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3433 if (sid_name_use != SID_NAME_UNKNOWN &&
3434 sid_name_use != map.sid_name_use) {
3435 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3436 "not of the requested type\n", map.nt_name));
3437 continue;
3438 }
3439 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3440 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3441 "non mapped\n", map.nt_name));
3442 continue;
3443 }
3444
3445 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3446 if (!(*pp_rmap)) {
3447 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3448 "enlarge group map!\n"));
3449 return NT_STATUS_UNSUCCESSFUL;
3450 }
3451
3452 (*pp_rmap)[entries] = map;
3453
3454 entries += 1;
3455
3456 }
3457 ldapsam_endsamgrent(methods);
3458
3459 *p_num_entries = entries;
3460
3461 return NT_STATUS_OK;
3462 }
3463
3464 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3465 const DOM_SID *alias,
3466 const DOM_SID *member,
3467 int modop)
3468 {
3469 struct ldapsam_privates *ldap_state =
3470 (struct ldapsam_privates *)methods->private_data;
3471 char *dn = NULL;
3472 LDAPMessage *result = NULL;
3473 LDAPMessage *entry = NULL;
3474 int count;
3475 LDAPMod **mods = NULL;
3476 int rc;
3477 enum lsa_SidType type = SID_NAME_USE_NONE;
3478 fstring tmp;
3479
3480 char *filter = NULL;
3481
3482 if (sid_check_is_in_builtin(alias)) {
3483 type = SID_NAME_ALIAS;
3484 }
3485
3486 if (sid_check_is_in_our_domain(alias)) {
3487 type = SID_NAME_ALIAS;
3488 }
3489
3490 if (type == SID_NAME_USE_NONE) {
3491 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3492 sid_string_dbg(alias)));
3493 return NT_STATUS_NO_SUCH_ALIAS;
3494 }
3495
3496 if (asprintf(&filter,
3497 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3498 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3499 type) < 0) {
3500 return NT_STATUS_NO_MEMORY;
3501 }
3502
3503 if (ldapsam_search_one_group(ldap_state, filter,
3504 &result) != LDAP_SUCCESS) {
3505 SAFE_FREE(filter);
3506 return NT_STATUS_NO_SUCH_ALIAS;
3507 }
3508
3509 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3510 result);
3511
3512 if (count < 1) {
3513 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3514 ldap_msgfree(result);
3515 SAFE_FREE(filter);
3516 return NT_STATUS_NO_SUCH_ALIAS;
3517 }
3518
3519 if (count > 1) {
3520 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3521 "filter %s: count=%d\n", filter, count));
3522 ldap_msgfree(result);
3523 SAFE_FREE(filter);
3524 return NT_STATUS_NO_SUCH_ALIAS;
3525 }
3526
3527 SAFE_FREE(filter);
3528
3529 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3530 result);
3531
3532 if (!entry) {
3533 ldap_msgfree(result);
3534 return NT_STATUS_UNSUCCESSFUL;
3535 }
3536
3537 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3538 if (!dn) {
3539 ldap_msgfree(result);
3540 return NT_STATUS_UNSUCCESSFUL;
3541 }
3542
3543 smbldap_set_mod(&mods, modop,
3544 get_attr_key2string(groupmap_attr_list,
3545 LDAP_ATTR_SID_LIST),
3546 sid_to_fstring(tmp, member));
3547
3548 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3549
3550 ldap_mods_free(mods, True);
3551 ldap_msgfree(result);
3552 TALLOC_FREE(dn);
3553
3554 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3555 return NT_STATUS_MEMBER_IN_ALIAS;
3556 }
3557
3558 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3559 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3560 }
3561
3562 if (rc != LDAP_SUCCESS) {
3563 return NT_STATUS_UNSUCCESSFUL;
3564 }
3565
3566 return NT_STATUS_OK;
3567 }
3568
3569 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3570 const DOM_SID *alias,
3571 const DOM_SID *member)
3572 {
3573 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3574 }
3575
3576 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3577 const DOM_SID *alias,
3578 const DOM_SID *member)
3579 {
3580 return ldapsam_modify_aliasmem(methods, alias, member,
3581 LDAP_MOD_DELETE);
3582 }
3583
3584 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3585 const DOM_SID *alias,
3586 DOM_SID **pp_members,
3587 size_t *p_num_members)
3588 {
3589 struct ldapsam_privates *ldap_state =
3590 (struct ldapsam_privates *)methods->private_data;
3591 LDAPMessage *result = NULL;
3592 LDAPMessage *entry = NULL;
3593 int count;
3594 char **values = NULL;
3595 int i;
3596 char *filter = NULL;
3597 size_t num_members = 0;
3598 enum lsa_SidType type = SID_NAME_USE_NONE;
3599 fstring tmp;
3600
3601 *pp_members = NULL;
3602 *p_num_members = 0;
3603
3604 if (sid_check_is_in_builtin(alias)) {
3605 type = SID_NAME_ALIAS;
3606 }
3607
3608 if (sid_check_is_in_our_domain(alias)) {
3609 type = SID_NAME_ALIAS;
3610 }
3611
3612 if (type == SID_NAME_USE_NONE) {
3613 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3614 sid_string_dbg(alias)));
3615 return NT_STATUS_NO_SUCH_ALIAS;
3616 }
3617
3618 if (asprintf(&filter,
3619 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3620 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3621 type) < 0) {
3622 return NT_STATUS_NO_MEMORY;
3623 }
3624
3625 if (ldapsam_search_one_group(ldap_state, filter,
3626 &result) != LDAP_SUCCESS) {
3627 SAFE_FREE(filter);
3628 return NT_STATUS_NO_SUCH_ALIAS;
3629 }
3630
3631 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3632 result);
3633
3634 if (count < 1) {
3635 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3636 ldap_msgfree(result);
3637 SAFE_FREE(filter);
3638 return NT_STATUS_NO_SUCH_ALIAS;
3639 }
3640
3641 if (count > 1) {
3642 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3643 "filter %s: count=%d\n", filter, count));
3644 ldap_msgfree(result);
3645 SAFE_FREE(filter);
3646 return NT_STATUS_NO_SUCH_ALIAS;
3647 }
3648
3649 SAFE_FREE(filter);
3650
3651 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3652 result);
3653
3654 if (!entry) {
3655 ldap_msgfree(result);
3656 return NT_STATUS_UNSUCCESSFUL;
3657 }
3658
3659 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3660 entry,
3661 get_attr_key2string(groupmap_attr_list,
3662 LDAP_ATTR_SID_LIST));
3663
3664 if (values == NULL) {
3665 ldap_msgfree(result);
3666 return NT_STATUS_OK;
3667 }
3668
3669 count = ldap_count_values(values);
3670
3671 for (i=0; i<count; i++) {
3672 DOM_SID member;
3673 NTSTATUS status;
3674
3675 if (!string_to_sid(&member, values[i]))
3676 continue;
3677
3678 status = add_sid_to_array(NULL, &member, pp_members,
3679 &num_members);
3680 if (!NT_STATUS_IS_OK(status)) {
3681 ldap_value_free(values);
3682 ldap_msgfree(result);
3683 return status;
3684 }
3685 }
3686
3687 *p_num_members = num_members;
3688 ldap_value_free(values);
3689 ldap_msgfree(result);
3690
3691 return NT_STATUS_OK;
3692 }
3693
3694 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3695 TALLOC_CTX *mem_ctx,
3696 const DOM_SID *domain_sid,
3697 const DOM_SID *members,
3698 size_t num_members,
3699 uint32 **pp_alias_rids,
3700 size_t *p_num_alias_rids)
3701 {
3702 struct ldapsam_privates *ldap_state =
3703 (struct ldapsam_privates *)methods->private_data;
3704 LDAP *ldap_struct;
3705
3706 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3707
3708 LDAPMessage *result = NULL;
3709 LDAPMessage *entry = NULL;
3710 int i;
3711 int rc;
3712 char *filter;
3713 enum lsa_SidType type = SID_NAME_USE_NONE;
3714
3715 if (sid_check_is_builtin(domain_sid)) {
3716 type = SID_NAME_ALIAS;
3717 }
3718
3719 if (sid_check_is_domain(domain_sid)) {
3720 type = SID_NAME_ALIAS;
3721 }
3722
3723 if (type == SID_NAME_USE_NONE) {
3724 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3725 sid_string_dbg(domain_sid)));
3726 return NT_STATUS_UNSUCCESSFUL;
3727 }
3728
3729 filter = talloc_asprintf(mem_ctx,
3730 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3731 LDAP_OBJ_GROUPMAP, type);
3732
3733 for (i=0; i<num_members; i++)
3734 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3735 filter,
3736 sid_string_talloc(mem_ctx,
3737 &members[i]));
3738
3739 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3740
3741 if (filter == NULL) {
3742 return NT_STATUS_NO_MEMORY;
3743 }
3744
3745 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3746 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3747
3748 if (rc != LDAP_SUCCESS)
3749 return NT_STATUS_UNSUCCESSFUL;
3750
3751 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3752
3753 for (entry = ldap_first_entry(ldap_struct, result);
3754 entry != NULL;
3755 entry = ldap_next_entry(ldap_struct, entry))
3756 {
3757 fstring sid_str;
3758 DOM_SID sid;
3759 uint32 rid;
3760
3761 if (!smbldap_get_single_attribute(ldap_struct, entry,
3762 LDAP_ATTRIBUTE_SID,
3763 sid_str,
3764 sizeof(sid_str)-1))
3765 continue;
3766
3767 if (!string_to_sid(&sid, sid_str))
3768 continue;
3769
3770 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3771 continue;
3772
3773 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3774 p_num_alias_rids)) {
3775 ldap_msgfree(result);
3776 return NT_STATUS_NO_MEMORY;
3777 }
3778 }
3779
3780 ldap_msgfree(result);
3781 return NT_STATUS_OK;
3782 }
3783
3784 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3785 int policy_index,
3786 uint32 value)
3787 {
3788 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3789 int rc;
3790 LDAPMod **mods = NULL;
3791 fstring value_string;
3792 const char *policy_attr = NULL;
3793
3794 struct ldapsam_privates *ldap_state =
3795 (struct ldapsam_privates *)methods->private_data;
3796
3797 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3798
3799 if (!ldap_state->domain_dn) {
3800 return NT_STATUS_INVALID_PARAMETER;
3801 }
3802
3803 policy_attr = get_account_policy_attr(policy_index);
3804 if (policy_attr == NULL) {
3805 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3806 "policy\n"));
3807 return ntstatus;
3808 }
3809
3810 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3811
3812 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3813
3814 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3815 mods);
3816
3817 ldap_mods_free(mods, True);
3818
3819 if (rc != LDAP_SUCCESS) {
3820 return ntstatus;
3821 }
3822
3823 if (!cache_account_policy_set(policy_index, value)) {
3824 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3825 "update local tdb cache\n"));
3826 return ntstatus;
3827 }
3828
3829 return NT_STATUS_OK;
3830 }
3831
3832 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3833 int policy_index, uint32 value)
3834 {
3835 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3836 value);
3837 }
3838
3839 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3840 int policy_index,
3841 uint32 *value)
3842 {
3843 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3844 LDAPMessage *result = NULL;
3845 LDAPMessage *entry = NULL;
3846 int count;
3847 int rc;
3848 char **vals = NULL;
3849 char *filter;
3850 const char *policy_attr = NULL;
3851
3852 struct ldapsam_privates *ldap_state =
3853 (struct ldapsam_privates *)methods->private_data;
3854
3855 const char *attrs[2];
3856
3857 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3858
3859 if (!ldap_state->domain_dn) {
3860 return NT_STATUS_INVALID_PARAMETER;
3861 }
3862
3863 policy_attr = get_account_policy_attr(policy_index);
3864 if (!policy_attr) {
3865 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3866 "policy index: %d\n", policy_index));
3867 return ntstatus;
3868 }
3869
3870 attrs[0] = policy_attr;
3871 attrs[1] = NULL;
3872
3873 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3874 if (filter == NULL) {
3875 return NT_STATUS_NO_MEMORY;
3876 }
3877 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3878 LDAP_SCOPE_BASE, filter, attrs, 0,
3879 &result);
3880
3881 if (rc != LDAP_SUCCESS) {
3882 return ntstatus;
3883 }
3884
3885 count = ldap_count_entries(priv2ld(ldap_state), result);
3886 if (count < 1) {
3887 goto out;
3888 }
3889
3890 entry = ldap_first_entry(priv2ld(ldap_state), result);
3891 if (entry == NULL) {
3892 goto out;
3893 }
3894
3895 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3896 if (vals == NULL) {
3897 goto out;
3898 }
3899
3900 *value = (uint32)atol(vals[0]);
3901
3902 ntstatus = NT_STATUS_OK;
3903
3904 out:
3905 if (vals)
3906 ldap_value_free(vals);
3907 ldap_msgfree(result);
3908
3909 return ntstatus;
3910 }
3911
3912 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3913
3914 - if user hasn't decided to use account policies inside LDAP just reuse the
3915 old tdb values
3916
3917 - if there is a valid cache entry, return that
3918 - if there is an LDAP entry, update cache and return
3919 - otherwise set to default, update cache and return
3920
3921 Guenther
3922 */
3923 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3924 int policy_index, uint32 *value)
3925 {
3926 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3927
3928 if (cache_account_policy_get(policy_index, value)) {
3929 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3930 "cache\n"));
3931 return NT_STATUS_OK;
3932 }
3933
3934 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3935 value);
3936 if (NT_STATUS_IS_OK(ntstatus)) {
3937 goto update_cache;
3938 }
3939
3940 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3941 "ldap\n"));
3942
3943 #if 0
3944 /* should we automagically migrate old tdb value here ? */
3945 if (account_policy_get(policy_index, value))
3946 goto update_ldap;
3947
3948 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3949 "default\n", policy_index));
3950 #endif
3951
3952 if (!account_policy_get_default(policy_index, value)) {
3953 return ntstatus;
3954 }
3955
3956 /* update_ldap: */
3957
3958 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3959 if (!NT_STATUS_IS_OK(ntstatus)) {
3960 return ntstatus;
3961 }
3962
3963 update_cache:
3964
3965 if (!cache_account_policy_set(policy_index, *value)) {
3966 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3967 "tdb as a cache\n"));
3968 return NT_STATUS_UNSUCCESSFUL;
3969 }
3970
3971 return NT_STATUS_OK;
3972 }
3973
3974 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3975 const DOM_SID *domain_sid,
3976 int num_rids,
3977 uint32 *rids,
3978 const char **names,
3979 enum lsa_SidType *attrs)
3980 {
3981 struct ldapsam_privates *ldap_state =
3982 (struct ldapsam_privates *)methods->private_data;
3983 LDAPMessage *msg = NULL;
3984 LDAPMessage *entry;
3985 char *allsids = NULL;
3986 int i, rc, num_mapped;
3987 NTSTATUS result = NT_STATUS_NO_MEMORY;
3988 TALLOC_CTX *mem_ctx;
3989 LDAP *ld;
3990 bool is_builtin;
3991
3992 mem_ctx = talloc_new(NULL);
3993 if (mem_ctx == NULL) {
3994 DEBUG(0, ("talloc_new failed\n"));
3995 goto done;
3996 }
3997
3998 if (!sid_check_is_builtin(domain_sid) &&
3999 !sid_check_is_domain(domain_sid)) {
4000 result = NT_STATUS_INVALID_PARAMETER;
4001 goto done;
4002 }
4003
4004 for (i=0; i<num_rids; i++)
4005 attrs[i] = SID_NAME_UNKNOWN;
4006
4007 allsids = talloc_strdup(mem_ctx, "");
4008 if (allsids == NULL) {
4009 goto done;
4010 }
4011
4012 for (i=0; i<num_rids; i++) {
4013 DOM_SID sid;
4014 sid_compose(&sid, domain_sid, rids[i]);
4015 allsids = talloc_asprintf_append_buffer(
4016 allsids, "(sambaSid=%s)",
4017 sid_string_talloc(mem_ctx, &sid));
4018 if (allsids == NULL) {
4019 goto done;
4020 }
4021 }
4022
4023 /* First look for users */
4024
4025 {
4026 char *filter;
4027 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4028
4029 filter = talloc_asprintf(
4030 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4031 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4032
4033 if (filter == NULL) {
4034 goto done;
4035 }
4036
4037 rc = smbldap_search(ldap_state->smbldap_state,
4038 lp_ldap_user_suffix(),
4039 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4040 &msg);
4041 talloc_autofree_ldapmsg(mem_ctx, msg);
4042 }
4043
4044 if (rc != LDAP_SUCCESS)
4045 goto done;
4046
4047 ld = ldap_state->smbldap_state->ldap_struct;
4048 num_mapped = 0;
4049
4050 for (entry = ldap_first_entry(ld, msg);
4051 entry != NULL;
4052 entry = ldap_next_entry(ld, entry)) {
4053 uint32 rid;
4054 int rid_index;
4055 const char *name;
4056
4057 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4058 &rid)) {
4059 DEBUG(2, ("Could not find sid from ldap entry\n"));
4060 continue;
4061 }
4062
4063 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4064 names);
4065 if (name == NULL) {
4066 DEBUG(2, ("Could not retrieve uid attribute\n"));
4067 continue;
4068 }
4069
4070 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4071 if (rid == rids[rid_index])
4072 break;
4073 }
4074
4075 if (rid_index == num_rids) {
4076 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4077 continue;
4078 }
4079
4080 attrs[rid_index] = SID_NAME_USER;
4081 names[rid_index] = name;
4082 num_mapped += 1;
4083 }
4084
4085 if (num_mapped == num_rids) {
4086 /* No need to look for groups anymore -- we're done */
4087 result = NT_STATUS_OK;
4088 goto done;
4089 }
4090
4091 /* Same game for groups */
4092
4093 {
4094 char *filter;
4095 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4096 "sambaGroupType", NULL };
4097
4098 filter = talloc_asprintf(
4099 mem_ctx, "(&(objectClass=%s)(|%s))",
4100 LDAP_OBJ_GROUPMAP, allsids);
4101 if (filter == NULL) {
4102 goto done;
4103 }
4104
4105 rc = smbldap_search(ldap_state->smbldap_state,
4106 lp_ldap_suffix(),
4107 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4108 &msg);
4109 talloc_autofree_ldapmsg(mem_ctx, msg);
4110 }
4111
4112 if (rc != LDAP_SUCCESS)
4113 goto done;
4114
4115 /* ldap_struct might have changed due to a reconnect */
4116
4117 ld = ldap_state->smbldap_state->ldap_struct;
4118
4119 /* For consistency checks, we already checked we're only domain or builtin */
4120
4121 is_builtin = sid_check_is_builtin(domain_sid);
4122
4123 for (entry = ldap_first_entry(ld, msg);
4124 entry != NULL;
4125 entry = ldap_next_entry(ld, entry))
4126 {
4127 uint32 rid;
4128 int rid_index;
4129 const char *attr;
4130 enum lsa_SidType type;
4131 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4132
4133 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4134 mem_ctx);
4135 if (attr == NULL) {
4136 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4137 dn));
4138 continue;
4139 }
4140
4141 type = (enum lsa_SidType)atol(attr);
4142
4143 /* Consistency checks */
4144 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4145 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4146 (type != SID_NAME_DOM_GRP)))) {
4147 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4148 }
4149
4150 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4151 &rid)) {
4152 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4153 continue;
4154 }
4155
4156 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4157
4158 if (attr == NULL) {
4159 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4160 dn));
4161 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4162 }
4163
4164 if (attr == NULL) {
4165 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4166 dn));
4167 continue;
4168 }
4169
4170 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4171 if (rid == rids[rid_index])
4172 break;
4173 }
4174
4175 if (rid_index == num_rids) {
4176 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4177 continue;
4178 }
4179
4180 attrs[rid_index] = type;
4181 names[rid_index] = attr;
4182 num_mapped += 1;
4183 }
4184
4185 result = NT_STATUS_NONE_MAPPED;
4186
4187 if (num_mapped > 0)
4188 result = (num_mapped == num_rids) ?
4189 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4190 done:
4191 TALLOC_FREE(mem_ctx);
4192 return result;
4193 }
4194
4195 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4196 {
4197 char *filter = NULL;
4198 char *escaped = NULL;
4199 char *result = NULL;
4200
4201 if (asprintf(&filter, "(&%s(objectclass=%s))",
4202 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4203 goto done;
4204 }
4205
4206 escaped = escape_ldap_string_alloc(username);
4207 if (escaped == NULL) goto done;
4208
4209 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4210
4211 done:
4212 SAFE_FREE(filter);
4213 SAFE_FREE(escaped);
4214
4215 return result;
4216 }
4217
4218 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4219 {
4220 int i, num = 0;
4221 va_list ap;
4222 const char **result;
4223
4224 va_start(ap, mem_ctx);
4225 while (va_arg(ap, const char *) != NULL)
4226 num += 1;
4227 va_end(ap);
4228
4229 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4230 return NULL;
4231 }
4232
4233 va_start(ap, mem_ctx);
4234 for (i=0; i<num; i++) {
4235 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4236 if (result[i] == NULL) {
4237 talloc_free(result);
4238 va_end(ap);
4239 return NULL;
4240 }
4241 }
4242 va_end(ap);
4243
4244 result[num] = NULL;
4245 return result;
4246 }
4247
4248 struct ldap_search_state {
4249 struct smbldap_state *connection;
4250
4251 uint32 acct_flags;
4252 uint16 group_type;
4253
4254 const char *base;
4255 int scope;
4256 const char *filter;
4257 const char **attrs;
4258 int attrsonly;
4259 void *pagedresults_cookie;
4260
4261 LDAPMessage *entries, *current_entry;
4262 bool (*ldap2displayentry)(struct ldap_search_state *state,
4263 TALLOC_CTX *mem_ctx,
4264 LDAP *ld, LDAPMessage *entry,
4265 struct samr_displayentry *result);
4266 };
4267
4268 static bool ldapsam_search_firstpage(struct pdb_search *search)
4269 {
4270 struct ldap_search_state *state =
4271 (struct ldap_search_state *)search->private_data;
4272 LDAP *ld;
4273 int rc = LDAP_OPERATIONS_ERROR;
4274
4275 state->entries = NULL;
4276
4277 if (state->connection->paged_results) {
4278 rc = smbldap_search_paged(state->connection, state->base,
4279 state->scope, state->filter,
4280 state->attrs, state->attrsonly,
4281 lp_ldap_page_size(), &state->entries,
4282 &state->pagedresults_cookie);
4283 }
4284
4285 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4286
4287 if (state->entries != NULL) {
4288 /* Left over from unsuccessful paged attempt */
4289 ldap_msgfree(state->entries);
4290 state->entries = NULL;
4291 }
4292
4293 rc = smbldap_search(state->connection, state->base,
4294 state->scope, state->filter, state->attrs,
4295 state->attrsonly, &state->entries);
4296
4297 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4298 return False;
4299
4300 /* Ok, the server was lying. It told us it could do paged
4301 * searches when it could not. */
4302 state->connection->paged_results = False;
4303 }
4304
4305 ld = state->connection->ldap_struct;
4306 if ( ld == NULL) {
4307 DEBUG(5, ("Don't have an LDAP connection right after a "
4308 "search\n"));
4309 return False;
4310 }
4311 state->current_entry = ldap_first_entry(ld, state->entries);
4312
4313 if (state->current_entry == NULL) {
4314 ldap_msgfree(state->entries);
4315 state->entries = NULL;
4316 return false;
4317 }
4318
4319 return True;
4320 }
4321
4322 static bool ldapsam_search_nextpage(struct pdb_search *search)
4323 {
4324 struct ldap_search_state *state =
4325 (struct ldap_search_state *)search->private_data;
4326 int rc;
4327
4328 if (!state->connection->paged_results) {
4329 /* There is no next page when there are no paged results */
4330 return False;
4331 }
4332
4333 rc = smbldap_search_paged(state->connection, state->base,
4334 state->scope, state->filter, state->attrs,
4335 state->attrsonly, lp_ldap_page_size(),
4336 &state->entries,
4337 &state->pagedresults_cookie);
4338
4339 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4340 return False;
4341
4342 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4343
4344 if (state->current_entry == NULL) {
4345 ldap_msgfree(state->entries);
4346 state->entries = NULL;
4347 return false;
4348 }
4349
4350 return True;
4351 }
4352
4353 static bool ldapsam_search_next_entry(struct pdb_search *search,
4354 struct samr_displayentry *entry)
4355 {
4356 struct ldap_search_state *state =
4357 (struct ldap_search_state *)search->private_data;
4358 bool result;
4359
4360 retry:
4361 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4362 return False;
4363
4364 if ((state->entries == NULL) &&
4365 !ldapsam_search_nextpage(search))
4366 return False;
4367
4368 result = state->ldap2displayentry(state, search,
4369 state->connection->ldap_struct,
4370 state->current_entry, entry);
4371
4372 if (!result) {
4373 char *dn;
4374 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4375 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4376 if (dn != NULL) ldap_memfree(dn);
4377 }
4378
4379 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4380
4381 if (state->current_entry == NULL) {
4382 ldap_msgfree(state->entries);
4383 state->entries = NULL;
4384 }
4385
4386 if (!result) goto retry;
4387
4388 return True;
4389 }
4390
4391 static void ldapsam_search_end(struct pdb_search *search)
4392 {
4393 struct ldap_search_state *state =
4394 (struct ldap_search_state *)search->private_data;
4395 int rc;
4396
4397 if (state->pagedresults_cookie == NULL)
4398 return;
4399
4400 if (state->entries != NULL)
4401 ldap_msgfree(state->entries);
4402
4403 state->entries = NULL;
4404 state->current_entry = NULL;
4405
4406 if (!state->connection->paged_results)
4407 return;
4408
4409 /* Tell the LDAP server we're not interested in the rest anymore. */
4410
4411 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4412 state->filter, state->attrs,
4413 state->attrsonly, 0, &state->entries,
4414 &state->pagedresults_cookie);
4415
4416 if (rc != LDAP_SUCCESS)
4417 DEBUG(5, ("Could not end search properly\n"));
4418
4419 return;
4420 }
4421
4422 static bool ldapuser2displayentry(struct ldap_search_state *state,
4423 TALLOC_CTX *mem_ctx,
4424 LDAP *ld, LDAPMessage *entry,
4425 struct samr_displayentry *result)
4426 {
4427 char **vals;
4428 size_t converted_size;
4429 DOM_SID sid;
4430 uint32 acct_flags;
4431
4432 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4433 if ((vals == NULL) || (vals[0] == NULL)) {
4434 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4435 return False;
4436 }
4437 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4438 ldap_value_free(vals);
4439
4440 if ((state->acct_flags != 0) &&
4441 ((state->acct_flags & acct_flags) == 0))
4442 return False;
4443
4444 result->acct_flags = acct_flags;
4445 result->account_name = "";
4446 result->fullname = "";
4447 result->description = "";
4448
4449 vals = ldap_get_values(ld, entry, "uid");
4450 if ((vals == NULL) || (vals[0] == NULL)) {
4451 DEBUG(5, ("\"uid\" not found\n"));
4452 return False;
4453 }
4454 if (!pull_utf8_talloc(mem_ctx,
4455 CONST_DISCARD(char **, &result->account_name),
4456 vals[0], &converted_size))
4457 {
4458 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4459 strerror(errno)));
4460 }
4461
4462 ldap_value_free(vals);
4463
4464 vals = ldap_get_values(ld, entry, "displayName");
4465 if ((vals == NULL) || (vals[0] == NULL))
4466 DEBUG(8, ("\"displayName\" not found\n"));
4467 else if (!pull_utf8_talloc(mem_ctx,
4468 CONST_DISCARD(char **, &result->fullname),
4469 vals[0], &converted_size))
4470 {
4471 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4472 strerror(errno)));
4473 }
4474
4475 ldap_value_free(vals);
4476
4477 vals = ldap_get_values(ld, entry, "description");
4478 if ((vals == NULL) || (vals[0] == NULL))
4479 DEBUG(8, ("\"description\" not found\n"));
4480 else if (!pull_utf8_talloc(mem_ctx,
4481 CONST_DISCARD(char **, &result->description),
4482 vals[0], &converted_size))
4483 {
4484 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4485 strerror(errno)));
4486 }
4487
4488 ldap_value_free(vals);
4489
4490 if ((result->account_name == NULL) ||
4491 (result->fullname == NULL) ||
4492 (result->description == NULL)) {
4493 DEBUG(0, ("talloc failed\n"));
4494 return False;
4495 }
4496
4497 vals = ldap_get_values(ld, entry, "sambaSid");
4498 if ((vals == NULL) || (vals[0] == NULL)) {
4499 DEBUG(0, ("\"objectSid\" not found\n"));
4500 return False;
4501 }
4502
4503 if (!string_to_sid(&sid, vals[0])) {
4504 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4505 ldap_value_free(vals);
4506 return False;
4507 }
4508 ldap_value_free(vals);
4509
4510 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4511 DEBUG(0, ("sid %s does not belong to our domain\n",
4512 sid_string_dbg(&sid)));
4513 return False;
4514 }
4515
4516 return True;
4517 }
4518
4519
4520 static bool ldapsam_search_users(struct pdb_methods *methods,
4521 struct pdb_search *search,
4522 uint32 acct_flags)
4523 {
4524 struct ldapsam_privates *ldap_state =
4525 (struct ldapsam_privates *)methods->private_data;
4526 struct ldap_search_state *state;
4527
4528 state = talloc(search, struct ldap_search_state);
4529 if (state == NULL) {
4530 DEBUG(0, ("talloc failed\n"));
4531 return False;
4532 }
4533
4534 state->connection = ldap_state->smbldap_state;
4535
4536 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4537 state->base = lp_ldap_user_suffix();
4538 else if ((acct_flags != 0) &&
4539 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4540 state->base = lp_ldap_machine_suffix();
4541 else
4542 state->base = lp_ldap_suffix();
4543
4544 state->acct_flags = acct_flags;
4545 state->base = talloc_strdup(search, state->base);
4546 state->scope = LDAP_SCOPE_SUBTREE;
4547 state->filter = get_ldap_filter(search, "*");
4548 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4549 "displayName", "description",
4550 "sambaAcctFlags", NULL);
4551 state->attrsonly = 0;
4552 state->pagedresults_cookie = NULL;
4553 state->entries = NULL;
4554 state->ldap2displayentry = ldapuser2displayentry;
4555
4556 if ((state->filter == NULL) || (state->attrs == NULL)) {
4557 DEBUG(0, ("talloc failed\n"));
4558 return False;
4559 }
4560
4561 search->private_data = state;
4562 search->next_entry = ldapsam_search_next_entry;
4563 search->search_end = ldapsam_search_end;
4564
4565 return ldapsam_search_firstpage(search);
4566 }
4567
4568 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4569 TALLOC_CTX *mem_ctx,
4570 LDAP *ld, LDAPMessage *entry,
4571 struct samr_displayentry *result)
4572 {
4573 char **vals;
4574 size_t converted_size;
4575 DOM_SID sid;
4576 uint16 group_type;
4577
4578 result->account_name = "";
4579 result->fullname = "";
4580 result->description = "";
4581
4582
4583 vals = ldap_get_values(ld, entry, "sambaGroupType");
4584 if ((vals == NULL) || (vals[0] == NULL)) {
4585 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4586 if (vals != NULL) {
4587 ldap_value_free(vals);
4588 }
4589 return False;
4590 }
4591
4592 group_type = atoi(vals[0]);
4593
4594 if ((state->group_type != 0) &&
4595 ((state->group_type != group_type))) {
4596 ldap_value_free(vals);
4597 return False;
4598 }
4599
4600 ldap_value_free(vals);
4601
4602 /* display name is the NT group name */
4603
4604 vals = ldap_get_values(ld, entry, "displayName");
4605 if ((vals == NULL) || (vals[0] == NULL)) {
4606 DEBUG(8, ("\"displayName\" not found\n"));
4607
4608 /* fallback to the 'cn' attribute */
4609 vals = ldap_get_values(ld, entry, "cn");
4610 if ((vals == NULL) || (vals[0] == NULL)) {
4611 DEBUG(5, ("\"cn\" not found\n"));
4612 return False;
4613 }
4614 if (!pull_utf8_talloc(mem_ctx,
4615 CONST_DISCARD(char **,
4616 &result->account_name),
4617 vals[0], &converted_size))
4618 {
4619 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4620 "failed: %s", strerror(errno)));
4621 }
4622 }
4623 else if (!pull_utf8_talloc(mem_ctx,
4624 CONST_DISCARD(char **,
4625 &result->account_name),
4626 vals[0], &converted_size))
4627 {
4628 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4629 strerror(errno)));
4630 }
4631
4632 ldap_value_free(vals);
4633
4634 vals = ldap_get_values(ld, entry, "description");
4635 if ((vals == NULL) || (vals[0] == NULL))
4636 DEBUG(8, ("\"description\" not found\n"));
4637 else if (!pull_utf8_talloc(mem_ctx,
4638 CONST_DISCARD(char **, &result->description),
4639 vals[0], &converted_size))
4640 {
4641 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4642 strerror(errno)));
4643 }
4644 ldap_value_free(vals);
4645
4646 if ((result->account_name == NULL) ||
4647 (result->fullname == NULL) ||
4648 (result->description == NULL)) {
4649 DEBUG(0, ("talloc failed\n"));
4650 return False;
4651 }
4652
4653 vals = ldap_get_values(ld, entry, "sambaSid");
4654 if ((vals == NULL) || (vals[0] == NULL)) {
4655 DEBUG(0, ("\"objectSid\" not found\n"));
4656 if (vals != NULL) {
4657 ldap_value_free(vals);
4658 }
4659 return False;
4660 }
4661
4662 if (!string_to_sid(&sid, vals[0])) {
4663 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4664 return False;
4665 }
4666
4667 ldap_value_free(vals);
4668
4669 switch (group_type) {
4670 case SID_NAME_DOM_GRP:
4671 case SID_NAME_ALIAS:
4672
4673 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4674 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4675 {
4676 DEBUG(0, ("%s is not in our domain\n",
4677 sid_string_dbg(&sid)));
4678 return False;
4679 }
4680 break;
4681
4682 default:
4683 DEBUG(0,("unkown group type: %d\n", group_type));
4684 return False;
4685 }
4686
4687 result->acct_flags = 0;
4688
4689 return True;
4690 }
4691
4692 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4693 struct pdb_search *search,
4694 const DOM_SID *sid,
4695 enum lsa_SidType type)
4696 {
4697 struct ldapsam_privates *ldap_state =
4698 (struct ldapsam_privates *)methods->private_data;
4699 struct ldap_search_state *state;
4700 fstring tmp;
4701
4702 state = talloc(search, struct ldap_search_state);
4703 if (state == NULL) {
4704 DEBUG(0, ("talloc failed\n"));
4705 return False;
4706 }
4707
4708 state->connection = ldap_state->smbldap_state;
4709
4710 state->base = talloc_strdup(search, lp_ldap_suffix());
4711 state->connection = ldap_state->smbldap_state;
4712 state->scope = LDAP_SCOPE_SUBTREE;
4713 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4714 "(sambaGroupType=%d)(sambaSID=%s*))",
4715 LDAP_OBJ_GROUPMAP,
4716 type, sid_to_fstring(tmp, sid));
4717 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4718 "displayName", "description",
4719 "sambaGroupType", NULL);
4720 state->attrsonly = 0;
4721 state->pagedresults_cookie = NULL;
4722 state->entries = NULL;
4723 state->group_type = type;
4724 state->ldap2displayentry = ldapgroup2displayentry;
4725
4726 if ((state->filter == NULL) || (state->attrs == NULL)) {
4727 DEBUG(0, ("talloc failed\n"));
4728 return False;
4729 }
4730
4731 search->private_data = state;
4732 search->next_entry = ldapsam_search_next_entry;
4733 search->search_end = ldapsam_search_end;
4734
4735 return ldapsam_search_firstpage(search);
4736 }
4737
4738 static bool ldapsam_search_groups(struct pdb_methods *methods,
4739 struct pdb_search *search)
4740 {
4741 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4742 }
4743
4744 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4745 struct pdb_search *search,
4746 const DOM_SID *sid)
4747 {
4748 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4749 }
4750
4751 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4752 {
4753 return False;
4754 }
4755
4756 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4757 uint32 *rid)
4758 {
4759 struct smbldap_state *smbldap_state = priv->smbldap_state;
4760
4761 LDAPMessage *result = NULL;
4762 LDAPMessage *entry = NULL;
4763 LDAPMod **mods = NULL;
4764 NTSTATUS status;
4765 char *value;
4766 int rc;
4767 uint32 nextRid = 0;
4768 const char *dn;
4769
4770 TALLOC_CTX *mem_ctx;
4771
4772 mem_ctx = talloc_new(NULL);
4773 if (mem_ctx == NULL) {
4774 DEBUG(0, ("talloc_new failed\n"));
4775 return NT_STATUS_NO_MEMORY;
4776 }
4777
4778 status = smbldap_search_domain_info(smbldap_state, &result,
4779 get_global_sam_name(), False);
4780 if (!NT_STATUS_IS_OK(status)) {
4781 DEBUG(3, ("Could not get domain info: %s\n",
4782 nt_errstr(status)));
4783 goto done;
4784 }
4785
4786 talloc_autofree_ldapmsg(mem_ctx, result);
4787
4788 entry = ldap_first_entry(priv2ld(priv), result);
4789 if (entry == NULL) {
4790 DEBUG(0, ("Could not get domain info entry\n"));
4791 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4792 goto done;
4793 }
4794
4795 /* Find the largest of the three attributes "sambaNextRid",
4796 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4797 concept of differentiating between user and group rids, and will
4798 use only "sambaNextRid" in the future. But for compatibility
4799 reasons I look if others have chosen different strategies -- VL */
4800
4801 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4802 "sambaNextRid", mem_ctx);
4803 if (value != NULL) {
4804 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4805 nextRid = MAX(nextRid, tmp);
4806 }
4807
4808 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4809 "sambaNextUserRid", mem_ctx);
4810 if (value != NULL) {
4811 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4812 nextRid = MAX(nextRid, tmp);
4813 }
4814
4815 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4816 "sambaNextGroupRid", mem_ctx);
4817 if (value != NULL) {
4818 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4819 nextRid = MAX(nextRid, tmp);
4820 }
4821
4822 if (nextRid == 0) {
4823 nextRid = BASE_RID-1;
4824 }
4825
4826 nextRid += 1;
4827
4828 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4829 talloc_asprintf(mem_ctx, "%d", nextRid));
4830 talloc_autofree_ldapmod(mem_ctx, mods);
4831
4832 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4833 status = NT_STATUS_NO_MEMORY;
4834 goto done;
4835 }
4836
4837 rc = smbldap_modify(smbldap_state, dn, mods);
4838
4839 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4840 * please retry" */
4841
4842 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4843
4844 done:
4845 if (NT_STATUS_IS_OK(status)) {
4846 *rid = nextRid;
4847 }
4848
4849 TALLOC_FREE(mem_ctx);
4850 return status;
4851 }
4852
4853 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4854 {
4855 int i;
4856
4857 for (i=0; i<10; i++) {
4858 NTSTATUS result = ldapsam_get_new_rid(
4859 (struct ldapsam_privates *)methods->private_data, rid);
4860 if (NT_STATUS_IS_OK(result)) {
4861 return result;
4862 }
4863
4864 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4865 return result;
4866 }
4867
4868 /* The ldap update failed (maybe a race condition), retry */
4869 }
4870
4871 /* Tried 10 times, fail. */
4872 return NT_STATUS_ACCESS_DENIED;
4873 }
4874
4875 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4876 {
4877 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4878 return NT_STATUS_IS_OK(result) ? True : False;
4879 }
4880
4881 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4882 const DOM_SID *sid,
4883 union unid_t *id, enum lsa_SidType *type)
4884 {
4885 struct ldapsam_privates *priv =
4886 (struct ldapsam_privates *)methods->private_data;
4887 char *filter;
4888 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4889 NULL };
4890 LDAPMessage *result = NULL;
4891 LDAPMessage *entry = NULL;
4892 bool ret = False;
4893 char *value;
4894 int rc;
4895
4896 TALLOC_CTX *mem_ctx;
4897
4898 mem_ctx = talloc_new(NULL);
4899 if (mem_ctx == NULL) {
4900 DEBUG(0, ("talloc_new failed\n"));
4901 return False;
4902 }
4903
4904 filter = talloc_asprintf(mem_ctx,
4905 "(&(sambaSid=%s)"
4906 "(|(objectClass=%s)(objectClass=%s)))",
4907 sid_string_talloc(mem_ctx, sid),
4908 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4909 if (filter == NULL) {
4910 DEBUG(5, ("talloc_asprintf failed\n"));
4911 goto done;
4912 }
4913
4914 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4915 attrs, &result);
4916 if (rc != LDAP_SUCCESS) {
4917 goto done;
4918 }
4919 talloc_autofree_ldapmsg(mem_ctx, result);
4920
4921 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4922 DEBUG(10, ("Got %d entries, expected one\n",
4923 ldap_count_entries(priv2ld(priv), result)));
4924 goto done;
4925 }
4926
4927 entry = ldap_first_entry(priv2ld(priv), result);
4928
4929 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4930 "sambaGroupType", mem_ctx);
4931
4932 if (value != NULL) {
4933 const char *gid_str;
4934 /* It's a group */
4935
4936 gid_str = smbldap_talloc_single_attribute(
4937 priv2ld(priv), entry, "gidNumber", mem_ctx);
4938 if (gid_str == NULL) {
4939 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4940 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4941 entry)));
4942 goto done;
4943 }
4944
4945 id->gid = strtoul(gid_str, NULL, 10);
4946 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4947 store_gid_sid_cache(sid, id->gid);
4948 idmap_cache_set_sid2gid(sid, id->gid);
4949 ret = True;
4950 goto done;
4951 }
4952
4953 /* It must be a user */
4954
4955 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4956 "uidNumber", mem_ctx);
4957 if (value == NULL) {
4958 DEBUG(1, ("Could not find uidNumber in %s\n",
4959 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4960 goto done;
4961 }
4962
4963 id->uid = strtoul(value, NULL, 10);
4964 *type = SID_NAME_USER;
4965 store_uid_sid_cache(sid, id->uid);
4966 idmap_cache_set_sid2uid(sid, id->uid);
4967
4968 ret = True;
4969 done:
4970 TALLOC_FREE(mem_ctx);
4971 return ret;
4972 }
4973
4974 /*
4975 * The following functions is called only if
4976 * ldapsam:trusted and ldapsam:editposix are
4977 * set to true
4978 */
4979
4980 /*
4981 * ldapsam_create_user creates a new
4982 * posixAccount and sambaSamAccount object
4983 * in the ldap users subtree
4984 *
4985 * The uid is allocated by winbindd.
4986 */
4987
4988 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4989 TALLOC_CTX *tmp_ctx, const char *name,
4990 uint32 acb_info, uint32 *rid)
4991 {
4992 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4993 LDAPMessage *entry = NULL;
4994 LDAPMessage *result = NULL;
4995 uint32 num_result;
4996 bool is_machine = False;
4997 bool add_posix = False;
4998 LDAPMod **mods = NULL;
4999 struct samu *user;
5000 char *filter;
5001 char *username;
5002 char *homedir;
5003 char *gidstr;
5004 char *uidstr;
5005 char *shell;
5006 const char *dn = NULL;
5007 DOM_SID group_sid;
5008 DOM_SID user_sid;
5009 gid_t gid = -1;
5010 uid_t uid = -1;
5011 NTSTATUS ret;
5012 int rc;
5013
5014 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5015 acb_info & ACB_WSTRUST ||
5016 acb_info & ACB_SVRTRUST ||
5017 acb_info & ACB_DOMTRUST) {
5018 is_machine = True;
5019 }
5020
5021 username = escape_ldap_string_alloc(name);
5022 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5023 username, LDAP_OBJ_POSIXACCOUNT);
5024 SAFE_FREE(username);
5025
5026 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5027 if (rc != LDAP_SUCCESS) {
5028 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5029 return NT_STATUS_ACCESS_DENIED;
5030 }
5031 talloc_autofree_ldapmsg(tmp_ctx, result);
5032
5033 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5034
5035 if (num_result > 1) {
5036 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5037 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5038 }
5039
5040 if (num_result == 1) {
5041 char *tmp;
5042 /* check if it is just a posix account.
5043 * or if there is a sid attached to this entry
5044 */
5045
5046 entry = ldap_first_entry(priv2ld(ldap_state), result);
5047 if (!entry) {
5048 return NT_STATUS_UNSUCCESSFUL;
5049 }
5050
5051 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5052 if (tmp) {
5053 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5054 return NT_STATUS_USER_EXISTS;
5055 }
5056
5057 /* it is just a posix account, retrieve the dn for later use */
5058 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5059 if (!dn) {
5060 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5061 return NT_STATUS_NO_MEMORY;
5062 }
5063 }
5064
5065 if (num_result == 0) {
5066 add_posix = True;
5067 }
5068
5069 /* Create the basic samu structure and generate the mods for the ldap commit */
5070 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5071 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5072 return ret;
5073 }
5074
5075 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5076
5077 user = samu_new(tmp_ctx);
5078 if (!user) {
5079 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5080 return NT_STATUS_NO_MEMORY;
5081 }
5082
5083 if (!pdb_set_username(user, name, PDB_SET)) {
5084 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5085 return NT_STATUS_UNSUCCESSFUL;
5086 }
5087 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5088 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5089 return NT_STATUS_UNSUCCESSFUL;
5090 }
5091 if (is_machine) {
5092 if (acb_info & ACB_NORMAL) {
5093 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5094 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5095 return NT_STATUS_UNSUCCESSFUL;
5096 }
5097 } else {
5098 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5099 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5100 return NT_STATUS_UNSUCCESSFUL;
5101 }
5102 }
5103 } else {
5104 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5105 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5106 return NT_STATUS_UNSUCCESSFUL;
5107 }
5108 }
5109
5110 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5111 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5112 return NT_STATUS_UNSUCCESSFUL;
5113 }
5114
5115 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5116 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5117 return NT_STATUS_UNSUCCESSFUL;
5118 }
5119
5120 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5121 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5122 }
5123 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5124
5125 if (add_posix) {
5126 char *escape_name;
5127
5128 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5129
5130 /* retrieve the Domain Users group gid */
5131 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5132 !sid_to_gid(&group_sid, &gid)) {
5133 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5134 return NT_STATUS_INVALID_PRIMARY_GROUP;
5135 }
5136
5137 /* lets allocate a new userid for this user */
5138 if (!winbind_allocate_uid(&uid)) {
5139 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5140 return NT_STATUS_UNSUCCESSFUL;
5141 }
5142
5143
5144 if (is_machine) {
5145 /* TODO: choose a more appropriate default for machines */
5146 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5147 shell = talloc_strdup(tmp_ctx, "/bin/false");
5148 } else {
5149 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5150 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5151 }
5152 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5153 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5154
5155 escape_name = escape_rdn_val_string_alloc(name);
5156 if (!escape_name) {
5157 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5158 return NT_STATUS_NO_MEMORY;
5159 }
5160
5161 if (is_machine) {
5162 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5163 } else {
5164 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5165 }
5166
5167 SAFE_FREE(escape_name);
5168
5169 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5170 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5171 return NT_STATUS_NO_MEMORY;
5172 }
5173
5174 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5175 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5176 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5177 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5178 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5179 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5180 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5181 }
5182
5183 talloc_autofree_ldapmod(tmp_ctx, mods);
5184
5185 if (add_posix) {
5186 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5187 } else {
5188 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5189 }
5190
5191 if (rc != LDAP_SUCCESS) {
5192 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5193 return NT_STATUS_UNSUCCESSFUL;
5194 }
5195
5196 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5197
5198 flush_pwnam_cache();
5199
5200 return NT_STATUS_OK;
5201 }
5202
5203 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5204 TALLOC_CTX *tmp_ctx,
5205 uint32 group_rid,
5206 uint32 member_rid);
5207
5208 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
5209 TALLOC_CTX *mem_ctx,
5210 struct samu *user,
5211 DOM_SID **pp_sids,
5212 gid_t **pp_gids,
5213 size_t *p_num_groups);
5214
5215 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5216 {
5217 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5218 LDAPMessage *result = NULL;
5219 LDAPMessage *entry = NULL;
5220 int num_result;
5221 const char *dn;
5222 char *filter;
5223 int rc;
5224
5225 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5226
5227 filter = talloc_asprintf(tmp_ctx,
5228 "(&(uid=%s)"
5229 "(objectClass=%s)"
5230 "(objectClass=%s))",
5231 pdb_get_username(sam_acct),
5232 LDAP_OBJ_POSIXACCOUNT,
5233 LDAP_OBJ_SAMBASAMACCOUNT);
5234 if (filter == NULL) {
5235 return NT_STATUS_NO_MEMORY;
5236 }
5237
5238 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5239 if (rc != LDAP_SUCCESS) {
5240 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5241 return NT_STATUS_UNSUCCESSFUL;
5242 }
5243 talloc_autofree_ldapmsg(tmp_ctx, result);
5244
5245 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5246
5247 if (num_result == 0) {
5248 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5249 return NT_STATUS_NO_SUCH_USER;
5250 }
5251
5252 if (num_result > 1) {
5253 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5254 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5255 }
5256
5257 entry = ldap_first_entry(priv2ld(ldap_state), result);
5258 if (!entry) {
5259 return NT_STATUS_UNSUCCESSFUL;
5260 }
5261
5262 /* it is just a posix account, retrieve the dn for later use */
5263 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5264 if (!dn) {
5265 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5266 return NT_STATUS_NO_MEMORY;
5267 }
5268
5269 /* try to remove memberships first */
5270 {
5271 NTSTATUS status;
5272 struct dom_sid *sids = NULL;
5273 gid_t *gids = NULL;
5274 size_t num_groups = 0;
5275 int i;
5276 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5277
5278 status = ldapsam_enum_group_memberships(my_methods,
5279 tmp_ctx,
5280 sam_acct,
5281 &sids,
5282 &gids,
5283 &num_groups);
5284 if (!NT_STATUS_IS_OK(status)) {
5285 goto delete_dn;
5286 }
5287
5288 for (i=0; i < num_groups; i++) {
5289
5290 uint32_t group_rid;
5291
5292 sid_peek_rid(&sids[i], &group_rid);
5293
5294 ldapsam_del_groupmem(my_methods,
5295 tmp_ctx,
5296 group_rid,
5297 user_rid);
5298 }
5299 }
5300
5301 delete_dn:
5302
5303 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5304 if (rc != LDAP_SUCCESS) {
5305 return NT_STATUS_UNSUCCESSFUL;
5306 }
5307
5308 flush_pwnam_cache();
5309
5310 return NT_STATUS_OK;
5311 }
5312
5313 /*
5314 * ldapsam_create_group creates a new
5315 * posixGroup and sambaGroupMapping object
5316 * in the ldap groups subtree
5317 *
5318 * The gid is allocated by winbindd.
5319 */
5320
5321 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5322 TALLOC_CTX *tmp_ctx,
5323 const char *name,
5324 uint32 *rid)
5325 {
5326 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5327 NTSTATUS ret;
5328 LDAPMessage *entry = NULL;
5329 LDAPMessage *result = NULL;
5330 uint32 num_result;
5331 bool is_new_entry = False;
5332 LDAPMod **mods = NULL;
5333 char *filter;
5334 char *groupsidstr;
5335 char *groupname;
5336 char *grouptype;
5337 char *gidstr;
5338 const char *dn = NULL;
5339 DOM_SID group_sid;
5340 gid_t gid = -1;
5341 int rc;
5342
5343 groupname = escape_ldap_string_alloc(name);
5344 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5345 groupname, LDAP_OBJ_POSIXGROUP);
5346 SAFE_FREE(groupname);
5347
5348 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5349 if (rc != LDAP_SUCCESS) {
5350 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5351 return NT_STATUS_UNSUCCESSFUL;
5352 }
5353 talloc_autofree_ldapmsg(tmp_ctx, result);
5354
5355 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5356
5357 if (num_result > 1) {
5358 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5359 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5360 }
5361
5362 if (num_result == 1) {
5363 char *tmp;
5364 /* check if it is just a posix group.
5365 * or if there is a sid attached to this entry
5366 */
5367
5368 entry = ldap_first_entry(priv2ld(ldap_state), result);
5369 if (!entry) {
5370 return NT_STATUS_UNSUCCESSFUL;
5371 }
5372
5373 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5374 if (tmp) {
5375 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5376 return NT_STATUS_GROUP_EXISTS;
5377 }
5378
5379 /* it is just a posix group, retrieve the gid and the dn for later use */
5380 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5381 if (!tmp) {
5382 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5383 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5384 }
5385
5386 gid = strtoul(tmp, NULL, 10);
5387
5388 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5389 if (!dn) {
5390 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5391 return NT_STATUS_NO_MEMORY;
5392 }
5393 }
5394
5395 if (num_result == 0) {
5396 char *escape_name;
5397
5398 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5399
5400 is_new_entry = True;
5401
5402 /* lets allocate a new groupid for this group */
5403 if (!winbind_allocate_gid(&gid)) {
5404 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5405 return NT_STATUS_UNSUCCESSFUL;
5406 }
5407
5408 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5409
5410 escape_name = escape_rdn_val_string_alloc(name);
5411 if (!escape_name) {
5412 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5413 return NT_STATUS_NO_MEMORY;
5414 }
5415
5416 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5417
5418 SAFE_FREE(escape_name);
5419
5420 if (!gidstr || !dn) {
5421 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5422 return NT_STATUS_NO_MEMORY;
5423 }
5424
5425 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5426 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5427 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5428 }
5429
5430 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5431 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5432 return ret;
5433 }
5434
5435 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5436
5437 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5438 &group_sid));
5439 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5440
5441 if (!groupsidstr || !grouptype) {
5442 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5443 return NT_STATUS_NO_MEMORY;
5444 }
5445
5446 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5447 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5448 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5450 talloc_autofree_ldapmod(tmp_ctx, mods);
5451
5452 if (is_new_entry) {
5453 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5454 #if 0
5455 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5456 /* This call may fail with rfc2307bis schema */
5457 /* Retry adding a structural class */
5458 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5459 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5460 }
5461 #endif
5462 } else {
5463 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5464 }
5465
5466 if (rc != LDAP_SUCCESS) {
5467 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5468 return NT_STATUS_UNSUCCESSFUL;
5469 }
5470
5471 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5472
5473 return NT_STATUS_OK;
5474 }
5475
5476 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5477 {
5478 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5479 LDAPMessage *result = NULL;
5480 LDAPMessage *entry = NULL;
5481 int num_result;
5482 const char *dn;
5483 char *gidstr;
5484 char *filter;
5485 DOM_SID group_sid;
5486 int rc;
5487
5488 /* get the group sid */
5489 sid_compose(&group_sid, get_global_sam_sid(), rid);
5490
5491 filter = talloc_asprintf(tmp_ctx,
5492 "(&(sambaSID=%s)"
5493 "(objectClass=%s)"
5494 "(objectClass=%s))",
5495 sid_string_talloc(tmp_ctx, &group_sid),
5496 LDAP_OBJ_POSIXGROUP,
5497 LDAP_OBJ_GROUPMAP);
5498 if (filter == NULL) {
5499 return NT_STATUS_NO_MEMORY;
5500 }
5501
5502 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5503 if (rc != LDAP_SUCCESS) {
5504 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5505 return NT_STATUS_UNSUCCESSFUL;
5506 }
5507 talloc_autofree_ldapmsg(tmp_ctx, result);
5508
5509 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5510
5511 if (num_result == 0) {
5512 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5513 return NT_STATUS_NO_SUCH_GROUP;
5514 }
5515
5516 if (num_result > 1) {
5517 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5518 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5519 }
5520
5521 entry = ldap_first_entry(priv2ld(ldap_state), result);
5522 if (!entry) {
5523 return NT_STATUS_UNSUCCESSFUL;
5524 }
5525
5526 /* here it is, retrieve the dn for later use */
5527 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5528 if (!dn) {
5529 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5530 return NT_STATUS_NO_MEMORY;
5531 }
5532
5533 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5534 if (!gidstr) {
5535 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5536 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5537 }
5538
5539 /* check no user have this group marked as primary group */
5540 filter = talloc_asprintf(tmp_ctx,
5541 "(&(gidNumber=%s)"
5542 "(objectClass=%s)"
5543 "(objectClass=%s))",
5544 gidstr,
5545 LDAP_OBJ_POSIXACCOUNT,
5546 LDAP_OBJ_SAMBASAMACCOUNT);
5547
5548 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5549 if (rc != LDAP_SUCCESS) {
5550 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5551 return NT_STATUS_UNSUCCESSFUL;
5552 }
5553 talloc_autofree_ldapmsg(tmp_ctx, result);
5554
5555 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5556
5557 if (num_result != 0) {
5558 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5559 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5560 }
5561
5562 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5563 if (rc != LDAP_SUCCESS) {
5564 return NT_STATUS_UNSUCCESSFUL;
5565 }
5566
5567 return NT_STATUS_OK;
5568 }
5569
5570 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5571 TALLOC_CTX *tmp_ctx,
5572 uint32 group_rid,
5573 uint32 member_rid,
5574 int modop)
5575 {
5576 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5577 LDAPMessage *entry = NULL;
5578 LDAPMessage *result = NULL;
5579 uint32 num_result;
5580 LDAPMod **mods = NULL;
5581 char *filter;
5582 char *uidstr;
5583 const char *dn = NULL;
5584 DOM_SID group_sid;
5585 DOM_SID member_sid;
5586 int rc;
5587
5588 switch (modop) {
5589 case LDAP_MOD_ADD:
5590 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5591 break;
5592 case LDAP_MOD_DELETE:
5593 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5594 break;
5595 default:
5596 return NT_STATUS_UNSUCCESSFUL;
5597 }
5598
5599 /* get member sid */
5600 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5601
5602 /* get the group sid */
5603 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5604
5605 filter = talloc_asprintf(tmp_ctx,
5606 "(&(sambaSID=%s)"
5607 "(objectClass=%s)"
5608 "(objectClass=%s))",
5609 sid_string_talloc(tmp_ctx, &member_sid),
5610 LDAP_OBJ_POSIXACCOUNT,
5611 LDAP_OBJ_SAMBASAMACCOUNT);
5612 if (filter == NULL) {
5613 return NT_STATUS_NO_MEMORY;
5614 }
5615
5616 /* get the member uid */
5617 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5618 if (rc != LDAP_SUCCESS) {
5619 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5620 return NT_STATUS_UNSUCCESSFUL;
5621 }
5622 talloc_autofree_ldapmsg(tmp_ctx, result);
5623
5624 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5625
5626 if (num_result == 0) {
5627 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5628 return NT_STATUS_NO_SUCH_MEMBER;
5629 }
5630
5631 if (num_result > 1) {
5632 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5633 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5634 }
5635
5636 entry = ldap_first_entry(priv2ld(ldap_state), result);
5637 if (!entry) {
5638 return NT_STATUS_UNSUCCESSFUL;
5639 }
5640
5641 if (modop == LDAP_MOD_DELETE) {
5642 /* check if we are trying to remove the member from his primary group */
5643 char *gidstr;
5644 gid_t user_gid, group_gid;
5645
5646 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5647 if (!gidstr) {
5648 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5649 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5650 }
5651
5652 user_gid = strtoul(gidstr, NULL, 10);
5653
5654 if (!sid_to_gid(&group_sid, &group_gid)) {
5655 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5656 return NT_STATUS_UNSUCCESSFUL;
5657 }
5658
5659 if (user_gid == group_gid) {
5660 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5661 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5662 }
5663 }
5664
5665 /* here it is, retrieve the uid for later use */
5666 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5667 if (!uidstr) {
5668 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5669 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5670 }
5671
5672 filter = talloc_asprintf(tmp_ctx,
5673 "(&(sambaSID=%s)"
5674 "(objectClass=%s)"
5675 "(objectClass=%s))",
5676 sid_string_talloc(tmp_ctx, &group_sid),
5677 LDAP_OBJ_POSIXGROUP,
5678 LDAP_OBJ_GROUPMAP);
5679
5680 /* get the group */
5681 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5682 if (rc != LDAP_SUCCESS) {
5683 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5684 return NT_STATUS_UNSUCCESSFUL;
5685 }
5686 talloc_autofree_ldapmsg(tmp_ctx, result);
5687
5688 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5689
5690 if (num_result == 0) {
5691 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5692 return NT_STATUS_NO_SUCH_GROUP;
5693 }
5694
5695 if (num_result > 1) {
5696 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5697 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5698 }
5699
5700 entry = ldap_first_entry(priv2ld(ldap_state), result);
5701 if (!entry) {
5702 return NT_STATUS_UNSUCCESSFUL;
5703 }
5704
5705 /* here it is, retrieve the dn for later use */
5706 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5707 if (!dn) {
5708 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5709 return NT_STATUS_NO_MEMORY;
5710 }
5711
5712 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5713
5714 talloc_autofree_ldapmod(tmp_ctx, mods);
5715
5716 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5717 if (rc != LDAP_SUCCESS) {
5718 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5719 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5720 return NT_STATUS_MEMBER_IN_GROUP;
5721 }
5722 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5723 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5724 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5725 }
5726 return NT_STATUS_UNSUCCESSFUL;
5727 }
5728
5729 return NT_STATUS_OK;
5730 }
5731
5732 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5733 TALLOC_CTX *tmp_ctx,
5734 uint32 group_rid,
5735 uint32 member_rid)
5736 {
5737 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5738 }
5739 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5740 TALLOC_CTX *tmp_ctx,
5741 uint32 group_rid,
5742 uint32 member_rid)
5743 {
5744 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5745 }
5746
5747 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5748 TALLOC_CTX *mem_ctx,
5749 struct samu *sampass)
5750 {
5751 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5752 LDAPMessage *entry = NULL;
5753 LDAPMessage *result = NULL;
5754 uint32 num_result;
5755 LDAPMod **mods = NULL;
5756 char *filter;
5757 char *escape_username;
5758 char *gidstr;
5759 const char *dn = NULL;
5760 gid_t gid;
5761 int rc;
5762
5763 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5764
5765 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5766 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5767 return NT_STATUS_UNSUCCESSFUL;
5768 }
5769 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5770 if (!gidstr) {
5771 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5772 return NT_STATUS_NO_MEMORY;
5773 }
5774
5775 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5776 if (escape_username== NULL) {
5777 return NT_STATUS_NO_MEMORY;
5778 }
5779
5780 filter = talloc_asprintf(mem_ctx,
5781 "(&(uid=%s)"
5782 "(objectClass=%s)"
5783 "(objectClass=%s))",
5784 escape_username,
5785 LDAP_OBJ_POSIXACCOUNT,
5786 LDAP_OBJ_SAMBASAMACCOUNT);
5787
5788 SAFE_FREE(escape_username);
5789
5790 if (filter == NULL) {
5791 return NT_STATUS_NO_MEMORY;
5792 }
5793
5794 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5795 if (rc != LDAP_SUCCESS) {
5796 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5797 return NT_STATUS_UNSUCCESSFUL;
5798 }
5799 talloc_autofree_ldapmsg(mem_ctx, result);
5800
5801 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5802
5803 if (num_result == 0) {
5804 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5805 return NT_STATUS_NO_SUCH_USER;
5806 }
5807
5808 if (num_result > 1) {
5809 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5810 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5811 }
5812
5813 entry = ldap_first_entry(priv2ld(ldap_state), result);
5814 if (!entry) {
5815 return NT_STATUS_UNSUCCESSFUL;
5816 }
5817
5818 /* retrieve the dn for later use */
5819 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5820 if (!dn) {
5821 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5822 return NT_STATUS_NO_MEMORY;
5823 }
5824
5825 /* remove the old one, and add the new one, this way we do not risk races */
5826 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5827
5828 if (mods == NULL) {
5829 return NT_STATUS_OK;
5830 }
5831
5832 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5833
5834 if (rc != LDAP_SUCCESS) {
5835 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5836 pdb_get_username(sampass), gidstr));
5837 return NT_STATUS_UNSUCCESSFUL;
5838 }
5839
5840 flush_pwnam_cache();
5841
5842 return NT_STATUS_OK;
5843 }
5844
5845
5846 /**********************************************************************
5847 trusted domains functions
5848 *********************************************************************/
5849
5850 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5851 const char *domain)
5852 {
5853 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5854 ldap_state->domain_dn);
5855 }
5856
5857 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5858 TALLOC_CTX *mem_ctx,
5859 const char *domain, LDAPMessage **entry)
5860 {
5861 int rc;
5862 char *filter;
5863 int scope = LDAP_SCOPE_SUBTREE;
5864 const char **attrs = NULL; /* NULL: get all attrs */
5865 int attrsonly = 0; /* 0: return values too */
5866 LDAPMessage *result = NULL;
5867 char *trusted_dn;
5868 uint32 num_result;
5869
5870 filter = talloc_asprintf(talloc_tos(),
5871 "(&(objectClass=%s)(sambaDomainName=%s))",
5872 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5873
5874 trusted_dn = trusteddom_dn(ldap_state, domain);
5875 if (trusted_dn == NULL) {
5876 return False;
5877 }
5878 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5879 filter, attrs, attrsonly, &result);
5880
5881 if (result != NULL) {
5882 talloc_autofree_ldapmsg(mem_ctx, result);
5883 }
5884
5885 if (rc == LDAP_NO_SUCH_OBJECT) {
5886 *entry = NULL;
5887 return True;
5888 }
5889
5890 if (rc != LDAP_SUCCESS) {
5891 return False;
5892 }
5893
5894 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5895
5896 if (num_result > 1) {
5897 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5898 "%s object for domain '%s'?!\n",
5899 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5900 return False;
5901 }
5902
5903 if (num_result == 0) {
5904 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5905 "%s object for domain %s.\n",
5906 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5907 *entry = NULL;
5908 } else {
5909 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5910 }
5911
5912 return True;
5913 }
5914
5915 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5916 const char *domain,
5917 char** pwd,
5918 DOM_SID *sid,
5919 time_t *pass_last_set_time)
5920 {
5921 struct ldapsam_privates *ldap_state =
5922 (struct ldapsam_privates *)methods->private_data;
5923 LDAPMessage *entry = NULL;
5924
5925 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5926
5927 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5928 (entry == NULL))
5929 {
5930 return False;
5931 }
5932
5933 /* password */
5934 if (pwd != NULL) {
5935 char *pwd_str;
5936 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5937 entry, "sambaClearTextPassword", talloc_tos());
5938 if (pwd_str == NULL) {
5939 return False;
5940 }
5941 /* trusteddom_pw routines do not use talloc yet... */
5942 *pwd = SMB_STRDUP(pwd_str);
5943 if (*pwd == NULL) {
5944 return False;
5945 }
5946 }
5947
5948 /* last change time */
5949 if (pass_last_set_time != NULL) {
5950 char *time_str;
5951 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5952 entry, "sambaPwdLastSet", talloc_tos());
5953 if (time_str == NULL) {
5954 return False;
5955 }
5956 *pass_last_set_time = (time_t)atol(time_str);
5957 }
5958
5959 /* domain sid */
5960 if (sid != NULL) {
5961 char *sid_str;
5962 DOM_SID *dom_sid;
5963 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5964 entry, "sambaSID",
5965 talloc_tos());
5966 if (sid_str == NULL) {
5967 return False;
5968 }
5969 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5970 if (dom_sid == NULL) {
5971 return False;
5972 }
5973 sid_copy(sid, dom_sid);
5974 }
5975
5976 return True;
5977 }
5978
5979 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5980 const char* domain,
5981 const char* pwd,
5982 const DOM_SID *sid)
5983 {
5984 struct ldapsam_privates *ldap_state =
5985 (struct ldapsam_privates *)methods->private_data;
5986 LDAPMessage *entry = NULL;
5987 LDAPMod **mods = NULL;
5988 char *prev_pwd = NULL;
5989 char *trusted_dn = NULL;
5990 int rc;
5991
5992 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5993
5994 /*
5995 * get the current entry (if there is one) in order to put the
5996 * current password into the previous password attribute
5997 */
5998 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5999 return False;
6000 }
6001
6002 mods = NULL;
6003 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6004 LDAP_OBJ_TRUSTDOM_PASSWORD);
6005 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6006 domain);
6007 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6008 sid_string_tos(sid));
6009 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6010 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6011 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6012 "sambaClearTextPassword", pwd);
6013
6014 talloc_autofree_ldapmod(talloc_tos(), mods);
6015
6016 if (entry != NULL) {
6017 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6018 entry, "sambaClearTextPassword", talloc_tos());
6019 if (prev_pwd != NULL) {
6020 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6021 "sambaPreviousClearTextPassword",
6022 prev_pwd);
6023 }
6024 }
6025
6026 trusted_dn = trusteddom_dn(ldap_state, domain);
6027 if (trusted_dn == NULL) {
6028 return False;
6029 }
6030 if (entry == NULL) {
6031 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6032 } else {
6033 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6034 }
6035
6036 if (rc != LDAP_SUCCESS) {
6037 DEBUG(1, ("error writing trusted domain password!\n"));
6038 return False;
6039 }
6040
6041 return True;
6042 }
6043
6044 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6045 const char *domain)
6046 {
6047 int rc;
6048 struct ldapsam_privates *ldap_state =
6049 (struct ldapsam_privates *)methods->private_data;
6050 LDAPMessage *entry = NULL;
6051 const char *trusted_dn;
6052
6053 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6054 return False;
6055 }
6056
6057 if (entry == NULL) {
6058 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6059 "%s\n", domain));
6060 return True;
6061 }
6062
6063 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6064 entry);
6065 if (trusted_dn == NULL) {
6066 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6067 return False;
6068 }
6069
6070 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6071 if (rc != LDAP_SUCCESS) {
6072 return False;
6073 }
6074
6075 return True;
6076 }
6077
6078 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6079 TALLOC_CTX *mem_ctx,
6080 uint32 *num_domains,
6081 struct trustdom_info ***domains)
6082 {
6083 int rc;
6084 struct ldapsam_privates *ldap_state =
6085 (struct ldapsam_privates *)methods->private_data;
6086 char *filter;
6087 int scope = LDAP_SCOPE_SUBTREE;
6088 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6089 int attrsonly = 0; /* 0: return values too */
6090 LDAPMessage *result = NULL;
6091 LDAPMessage *entry = NULL;
6092
6093 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6094 LDAP_OBJ_TRUSTDOM_PASSWORD);
6095
6096 rc = smbldap_search(ldap_state->smbldap_state,
6097 ldap_state->domain_dn,
6098 scope,
6099 filter,
6100 attrs,
6101 attrsonly,
6102 &result);
6103
6104 if (result != NULL) {
6105 talloc_autofree_ldapmsg(mem_ctx, result);
6106 }
6107
6108 if (rc != LDAP_SUCCESS) {
6109 return NT_STATUS_UNSUCCESSFUL;
6110 }
6111
6112 *num_domains = 0;
6113 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6114 DEBUG(1, ("talloc failed\n"));
6115 return NT_STATUS_NO_MEMORY;
6116 }
6117
6118 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6119 entry != NULL;
6120 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6121 {
6122 char *dom_name, *dom_sid_str;
6123 struct trustdom_info *dom_info;
6124
6125 dom_info = TALLOC_P(*domains, struct trustdom_info);
6126 if (dom_info == NULL) {
6127 DEBUG(1, ("talloc failed\n"));
6128 return NT_STATUS_NO_MEMORY;
6129 }
6130
6131 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6132 entry,
6133 "sambaDomainName",
6134 talloc_tos());
6135 if (dom_name == NULL) {
6136 DEBUG(1, ("talloc failed\n"));
6137 return NT_STATUS_NO_MEMORY;
6138 }
6139 dom_info->name = dom_name;
6140
6141 dom_sid_str = smbldap_talloc_single_attribute(
6142 priv2ld(ldap_state), entry, "sambaSID",
6143 talloc_tos());
6144 if (dom_sid_str == NULL) {
6145 DEBUG(1, ("talloc failed\n"));
6146 return NT_STATUS_NO_MEMORY;
6147 }
6148 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6149 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6150 dom_sid_str));
6151 return NT_STATUS_UNSUCCESSFUL;
6152 }
6153
6154 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6155 domains, num_domains);
6156
6157 if (*domains == NULL) {
6158 DEBUG(1, ("talloc failed\n"));
6159 return NT_STATUS_NO_MEMORY;
6160 }
6161 }
6162
6163 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6164 return NT_STATUS_OK;
6165 }
6166
6167
6168 /**********************************************************************
6169 Housekeeping
6170 *********************************************************************/
6171
6172 static void free_private_data(void **vp)
6173 {
6174 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6175
6176 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6177
6178 if ((*ldap_state)->result != NULL) {
6179 ldap_msgfree((*ldap_state)->result);
6180 (*ldap_state)->result = NULL;
6181 }
6182 if ((*ldap_state)->domain_dn != NULL) {
6183 SAFE_FREE((*ldap_state)->domain_dn);
6184 }
6185
6186 *ldap_state = NULL;
6187
6188 /* No need to free any further, as it is talloc()ed */
6189 }
6190
6191 /*********************************************************************
6192 Intitalise the parts of the pdb_methods structure that are common to
6193 all pdb_ldap modes
6194 *********************************************************************/
6195
6196 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6197 {
6198 NTSTATUS nt_status;
6199 struct ldapsam_privates *ldap_state;
6200
6201 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6202 return nt_status;
6203 }
6204
6205 (*pdb_method)->name = "ldapsam";
6206
6207 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6208 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6209 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6210 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6211 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6212 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6213
6214 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6215 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6216 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6217 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6218 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6219 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6220 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6221
6222 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6223 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6224
6225 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6226
6227 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6228 (*pdb_method)->new_rid = ldapsam_new_rid;
6229
6230 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6231 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6232 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6233 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6234
6235 /* TODO: Setup private data and free */
6236
6237 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6238 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6239 return NT_STATUS_NO_MEMORY;
6240 }
6241
6242 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6243 location, &ldap_state->smbldap_state);
6244
6245 if ( !NT_STATUS_IS_OK(nt_status) ) {
6246 return nt_status;
6247 }
6248
6249 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6250 return NT_STATUS_NO_MEMORY;
6251 }
6252
6253 (*pdb_method)->private_data = ldap_state;
6254
6255 (*pdb_method)->free_private_data = free_private_data;
6256
6257 return NT_STATUS_OK;
6258 }
6259
6260 /**********************************************************************
6261 Initialise the 'compat' mode for pdb_ldap
6262 *********************************************************************/
6263
6264 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6265 {
6266 NTSTATUS nt_status;
6267 struct ldapsam_privates *ldap_state;
6268 char *uri = talloc_strdup( NULL, location );
6269
6270 trim_char( uri, '\"', '\"' );
6271 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6272 if ( uri )
6273 TALLOC_FREE( uri );
6274
6275 if ( !NT_STATUS_IS_OK(nt_status) ) {
6276 return nt_status;
6277 }
6278
6279 (*pdb_method)->name = "ldapsam_compat";
6280
6281 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6282 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6283
6284 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6285
6286 return NT_STATUS_OK;
6287 }
6288
6289 /**********************************************************************
6290 Initialise the normal mode for pdb_ldap
6291 *********************************************************************/
6292
6293 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6294 {
6295 NTSTATUS nt_status;
6296 struct ldapsam_privates *ldap_state = NULL;
6297 uint32 alg_rid_base;
6298 char *alg_rid_base_string = NULL;
6299 LDAPMessage *result = NULL;
6300 LDAPMessage *entry = NULL;
6301 DOM_SID ldap_domain_sid;
6302 DOM_SID secrets_domain_sid;
6303 char *domain_sid_string = NULL;
6304 char *dn = NULL;
6305 char *uri = talloc_strdup( NULL, location );
6306
6307 trim_char( uri, '\"', '\"' );
6308 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6309 if (uri) {
6310 TALLOC_FREE(uri);
6311 }
6312
6313 if (!NT_STATUS_IS_OK(nt_status)) {
6314 return nt_status;
6315 }
6316
6317 (*pdb_method)->name = "ldapsam";
6318
6319 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6320 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6321 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6322 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6323 (*pdb_method)->search_users = ldapsam_search_users;
6324 (*pdb_method)->search_groups = ldapsam_search_groups;
6325 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6326
6327 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6328 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6329 (*pdb_method)->enum_group_memberships =
6330 ldapsam_enum_group_memberships;
6331 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6332 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6333
6334 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6335 (*pdb_method)->create_user = ldapsam_create_user;
6336 (*pdb_method)->delete_user = ldapsam_delete_user;
6337 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6338 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6339 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6340 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6341 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6342 }
6343 }
6344
6345 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6346 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6347
6348 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6349
6350 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6351 &result,
6352 ldap_state->domain_name, True);
6353
6354 if ( !NT_STATUS_IS_OK(nt_status) ) {
6355 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6356 "info, nor add one to the domain\n"));
6357 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6358 "will be unable to allocate new users/groups, "
6359 "and will risk BDCs having inconsistant SIDs\n"));
6360 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6361 return NT_STATUS_OK;
6362 }
6363
6364 /* Given that the above might fail, everything below this must be
6365 * optional */
6366
6367 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6368 result);
6369 if (!entry) {
6370 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6371 "entry\n"));
6372 ldap_msgfree(result);
6373 return NT_STATUS_UNSUCCESSFUL;
6374 }
6375
6376 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6377 if (!dn) {
6378 ldap_msgfree(result);
6379 return NT_STATUS_UNSUCCESSFUL;
6380 }
6381
6382 ldap_state->domain_dn = smb_xstrdup(dn);
6383 TALLOC_FREE(dn);
6384
6385 domain_sid_string = smbldap_talloc_single_attribute(
6386 ldap_state->smbldap_state->ldap_struct,
6387 entry,
6388 get_userattr_key2string(ldap_state->schema_ver,
6389 LDAP_ATTR_USER_SID),
6390 talloc_tos());
6391
6392 if (domain_sid_string) {
6393 bool found_sid;
6394 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6395 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6396 "read as a valid SID\n", domain_sid_string));
6397 ldap_msgfree(result);
6398 TALLOC_FREE(domain_sid_string);
6399 return NT_STATUS_INVALID_PARAMETER;
6400 }
6401 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6402 &secrets_domain_sid);
6403 if (!found_sid || !sid_equal(&secrets_domain_sid,
6404 &ldap_domain_sid)) {
6405 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6406 "%s based on pdb_ldap results %s -> %s\n",
6407 ldap_state->domain_name,
6408 sid_string_dbg(&secrets_domain_sid),
6409 sid_string_dbg(&ldap_domain_sid)));
6410
6411 /* reset secrets.tdb sid */
6412 secrets_store_domain_sid(ldap_state->domain_name,
6413 &ldap_domain_sid);
6414 DEBUG(1, ("New global sam SID: %s\n",
6415 sid_string_dbg(get_global_sam_sid())));
6416 }
6417 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6418 TALLOC_FREE(domain_sid_string);
6419 }
6420
6421 alg_rid_base_string = smbldap_talloc_single_attribute(
6422 ldap_state->smbldap_state->ldap_struct,
6423 entry,
6424 get_attr_key2string( dominfo_attr_list,
6425 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6426 talloc_tos());
6427 if (alg_rid_base_string) {
6428 alg_rid_base = (uint32)atol(alg_rid_base_string);
6429 if (alg_rid_base != algorithmic_rid_base()) {
6430 DEBUG(0, ("The value of 'algorithmic RID base' has "
6431 "changed since the LDAP\n"
6432 "database was initialised. Aborting. \n"));
6433 ldap_msgfree(result);
6434 TALLOC_FREE(alg_rid_base_string);
6435 return NT_STATUS_UNSUCCESSFUL;
6436 }
6437 TALLOC_FREE(alg_rid_base_string);
6438 }
6439 ldap_msgfree(result);
6440
6441 return NT_STATUS_OK;
6442 }
6443
6444 NTSTATUS pdb_ldap_init(void)
6445 {
6446 NTSTATUS nt_status;
6447 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6448 return nt_status;
6449
6450 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6451 return nt_status;
6452
6453 /* Let pdb_nds register backends */
6454 pdb_nds_init();
6455
6456 return NT_STATUS_OK;
6457 }
WIP