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Fix bug 5055
[Samba.git] / source / passdb / pdb_ldap.c
blob707e3f3a3050770aacf876b1908577535e9b1348
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 fstring 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(&p, tok, "#", sizeof(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 return LDAP_NO_MEMORY;
353 }
354 /*
355 * have to use this here because $ is filtered out
356 * in string_sub
357 */
358
359 filter = talloc_all_string_sub(talloc_tos(),
360 filter, "%u", escape_user);
361 if (!filter) {
362 return LDAP_NO_MEMORY;
363 }
364 SAFE_FREE(escape_user);
365
366 ret = smbldap_search_suffix(ldap_state->smbldap_state,
367 filter, attr, result);
368 TALLOC_FREE(filter);
369 return ret;
370 }
371
372 /*******************************************************************
373 Run the search by rid.
374 ******************************************************************/
375
376 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
377 uint32 rid, LDAPMessage ** result,
378 const char **attr)
379 {
380 char *filter = NULL;
381 int rc;
382
383 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
384 get_objclass_filter(ldap_state->schema_ver));
385 if (!filter) {
386 return LDAP_NO_MEMORY;
387 }
388
389 rc = smbldap_search_suffix(ldap_state->smbldap_state,
390 filter, attr, result);
391 TALLOC_FREE(filter);
392 return rc;
393 }
394
395 /*******************************************************************
396 Run the search by SID.
397 ******************************************************************/
398
399 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
400 const DOM_SID *sid, LDAPMessage ** result,
401 const char **attr)
402 {
403 char *filter = NULL;
404 int rc;
405 fstring sid_string;
406
407 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
408 get_userattr_key2string(ldap_state->schema_ver,
409 LDAP_ATTR_USER_SID),
410 sid_to_string(sid_string, sid),
411 get_objclass_filter(ldap_state->schema_ver));
412 if (!filter) {
413 return LDAP_NO_MEMORY;
414 }
415
416 rc = smbldap_search_suffix(ldap_state->smbldap_state,
417 filter, attr, result);
418
419 TALLOC_FREE(filter);
420 return rc;
421 }
422
423 /*******************************************************************
424 Delete complete object or objectclass and attrs from
425 object found in search_result depending on lp_ldap_delete_dn
426 ******************************************************************/
427
428 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
429 TALLOC_CTX *mem_ctx,
430 LDAPMessage *entry,
431 const char *objectclass,
432 const char **attrs)
433 {
434 LDAPMod **mods = NULL;
435 char *name;
436 const char *dn;
437 BerElement *ptr = NULL;
438
439 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
440 if (dn == NULL) {
441 return LDAP_NO_MEMORY;
442 }
443
444 if (lp_ldap_delete_dn()) {
445 return smbldap_delete(priv->smbldap_state, dn);
446 }
447
448 /* Ok, delete only the SAM attributes */
449
450 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
451 name != NULL;
452 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
453 const char **attrib;
454
455 /* We are only allowed to delete the attributes that
456 really exist. */
457
458 for (attrib = attrs; *attrib != NULL; attrib++) {
459 if (strequal(*attrib, name)) {
460 DEBUG(10, ("ldapsam_delete_entry: deleting "
461 "attribute %s\n", name));
462 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
463 NULL);
464 }
465 }
466 ldap_memfree(name);
467 }
468
469 if (ptr != NULL) {
470 ber_free(ptr, 0);
471 }
472
473 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
474 talloc_autofree_ldapmod(mem_ctx, mods);
475
476 return smbldap_modify(priv->smbldap_state, dn, mods);
477 }
478
479 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
480 {
481 char *temp;
482 struct tm tm;
483
484 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
485 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
486 talloc_tos());
487 if (!temp) {
488 return (time_t) 0;
489 }
490
491 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
492 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
493 (char*)temp));
494 TALLOC_FREE(temp);
495 return (time_t) 0;
496 }
497 TALLOC_FREE(temp);
498 tzset();
499 return timegm(&tm);
500 }
501
502 /**********************************************************************
503 Initialize struct samu from an LDAP query.
504 (Based on init_sam_from_buffer in pdb_tdb.c)
505 *********************************************************************/
506
507 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
508 struct samu * sampass,
509 LDAPMessage * entry)
510 {
511 time_t logon_time,
512 logoff_time,
513 kickoff_time,
514 pass_last_set_time,
515 pass_can_change_time,
516 pass_must_change_time,
517 ldap_entry_time,
518 bad_password_time;
519 char *username = NULL,
520 *domain = NULL,
521 *nt_username = NULL,
522 *fullname = NULL,
523 *homedir = NULL,
524 *dir_drive = NULL,
525 *logon_script = NULL,
526 *profile_path = NULL,
527 *acct_desc = NULL,
528 *workstations = NULL,
529 *munged_dial = NULL;
530 uint32 user_rid;
531 uint8 smblmpwd[LM_HASH_LEN],
532 smbntpwd[NT_HASH_LEN];
533 bool use_samba_attrs = True;
534 uint32 acct_ctrl = 0;
535 uint16 logon_divs;
536 uint16 bad_password_count = 0,
537 logon_count = 0;
538 uint32 hours_len;
539 uint8 hours[MAX_HOURS_LEN];
540 char *temp = NULL;
541 LOGIN_CACHE *cache_entry = NULL;
542 uint32 pwHistLen;
543 bool expand_explicit = lp_passdb_expand_explicit();
544 bool ret = false;
545 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
546
547 if (!ctx) {
548 return false;
549 }
550 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
551 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
552 goto fn_exit;
553 }
554
555 if (priv2ld(ldap_state) == NULL) {
556 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
557 "ldap_struct is NULL!\n"));
558 goto fn_exit;
559 }
560
561 if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
562 entry,
563 "uid",
564 ctx))) {
565 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
566 "this user!\n"));
567 goto fn_exit;
568 }
569
570 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
571
572 nt_username = talloc_strdup(ctx, username);
573 if (!nt_username) {
574 goto fn_exit;
575 }
576
577 domain = talloc_strdup(ctx, ldap_state->domain_name);
578 if (!domain) {
579 goto fn_exit;
580 }
581
582 pdb_set_username(sampass, username, PDB_SET);
583
584 pdb_set_domain(sampass, domain, PDB_DEFAULT);
585 pdb_set_nt_username(sampass, nt_username, PDB_SET);
586
587 /* deal with different attributes between the schema first */
588
589 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
590 if ((temp = smbldap_talloc_single_attribute(
591 ldap_state->smbldap_state->ldap_struct,
592 entry,
593 get_userattr_key2string(ldap_state->schema_ver,
594 LDAP_ATTR_USER_SID),
595 ctx))!=NULL) {
596 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
597 }
598 } else {
599 if ((temp = smbldap_talloc_single_attribute(
600 ldap_state->smbldap_state->ldap_struct,
601 entry,
602 get_userattr_key2string(ldap_state->schema_ver,
603 LDAP_ATTR_USER_RID),
604 ctx))!=NULL) {
605 user_rid = (uint32)atol(temp);
606 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
607 }
608 }
609
610 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
611 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
612 get_userattr_key2string(ldap_state->schema_ver,
613 LDAP_ATTR_USER_SID),
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_RID),
616 username));
617 return False;
618 }
619
620 temp = smbldap_talloc_single_attribute(
621 ldap_state->smbldap_state->ldap_struct,
622 entry,
623 get_userattr_key2string(ldap_state->schema_ver,
624 LDAP_ATTR_PWD_LAST_SET),
625 ctx);
626 if (temp) {
627 pass_last_set_time = (time_t) atol(temp);
628 pdb_set_pass_last_set_time(sampass,
629 pass_last_set_time, PDB_SET);
630 }
631
632 temp = smbldap_talloc_single_attribute(
633 ldap_state->smbldap_state->ldap_struct,
634 entry,
635 get_userattr_key2string(ldap_state->schema_ver,
636 LDAP_ATTR_LOGON_TIME),
637 ctx);
638 if (temp) {
639 logon_time = (time_t) atol(temp);
640 pdb_set_logon_time(sampass, logon_time, PDB_SET);
641 }
642
643 temp = smbldap_talloc_single_attribute(
644 ldap_state->smbldap_state->ldap_struct,
645 entry,
646 get_userattr_key2string(ldap_state->schema_ver,
647 LDAP_ATTR_LOGOFF_TIME),
648 ctx);
649 if (temp) {
650 logoff_time = (time_t) atol(temp);
651 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
652 }
653
654 temp = smbldap_talloc_single_attribute(
655 ldap_state->smbldap_state->ldap_struct,
656 entry,
657 get_userattr_key2string(ldap_state->schema_ver,
658 LDAP_ATTR_KICKOFF_TIME),
659 ctx);
660 if (temp) {
661 kickoff_time = (time_t) atol(temp);
662 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
663 }
664
665 temp = smbldap_talloc_single_attribute(
666 ldap_state->smbldap_state->ldap_struct,
667 entry,
668 get_userattr_key2string(ldap_state->schema_ver,
669 LDAP_ATTR_PWD_CAN_CHANGE),
670 ctx);
671 if (temp) {
672 pass_can_change_time = (time_t) atol(temp);
673 pdb_set_pass_can_change_time(sampass,
674 pass_can_change_time, PDB_SET);
675 }
676
677 temp = smbldap_talloc_single_attribute(
678 ldap_state->smbldap_state->ldap_struct,
679 entry,
680 get_userattr_key2string(ldap_state->schema_ver,
681 LDAP_ATTR_PWD_MUST_CHANGE),
682 ctx);
683 if (temp) {
684 pass_must_change_time = (time_t) atol(temp);
685 pdb_set_pass_must_change_time(sampass,
686 pass_must_change_time, PDB_SET);
687 }
688
689 /* recommend that 'gecos' and 'displayName' should refer to the same
690 * attribute OID. userFullName depreciated, only used by Samba
691 * primary rules of LDAP: don't make a new attribute when one is already defined
692 * that fits your needs; using cn then displayName rather than 'userFullName'
693 */
694
695 fullname = smbldap_talloc_single_attribute(
696 ldap_state->smbldap_state->ldap_struct,
697 entry,
698 get_userattr_key2string(ldap_state->schema_ver,
699 LDAP_ATTR_DISPLAY_NAME),
700 ctx);
701 if (fullname) {
702 pdb_set_fullname(sampass, fullname, PDB_SET);
703 } else {
704 fullname = smbldap_talloc_single_attribute(
705 ldap_state->smbldap_state->ldap_struct,
706 entry,
707 get_userattr_key2string(ldap_state->schema_ver,
708 LDAP_ATTR_CN),
709 ctx);
710 if (fullname) {
711 pdb_set_fullname(sampass, fullname, PDB_SET);
712 }
713 }
714
715 dir_drive = smbldap_talloc_single_attribute(
716 ldap_state->smbldap_state->ldap_struct,
717 entry,
718 get_userattr_key2string(ldap_state->schema_ver,
719 LDAP_ATTR_HOME_DRIVE),
720 ctx);
721 if (dir_drive) {
722 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
723 } else {
724 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
725 }
726
727 homedir = smbldap_talloc_single_attribute(
728 ldap_state->smbldap_state->ldap_struct,
729 entry,
730 get_userattr_key2string(ldap_state->schema_ver,
731 LDAP_ATTR_HOME_PATH),
732 ctx);
733 if (homedir) {
734 if (expand_explicit) {
735 homedir = talloc_sub_basic(ctx,
736 username,
737 domain,
738 homedir);
739 if (!homedir) {
740 goto fn_exit;
741 }
742 }
743 pdb_set_homedir(sampass, homedir, PDB_SET);
744 } else {
745 pdb_set_homedir(sampass,
746 talloc_sub_basic(ctx, username, domain,
747 lp_logon_home()),
748 PDB_DEFAULT);
749 }
750
751 logon_script = smbldap_talloc_single_attribute(
752 ldap_state->smbldap_state->ldap_struct,
753 entry,
754 get_userattr_key2string(ldap_state->schema_ver,
755 LDAP_ATTR_LOGON_SCRIPT),
756 ctx);
757 if (logon_script) {
758 if (expand_explicit) {
759 logon_script = talloc_sub_basic(ctx,
760 username,
761 domain,
762 logon_script);
763 if (!logon_script) {
764 goto fn_exit;
765 }
766 }
767 pdb_set_logon_script(sampass, logon_script, PDB_SET);
768 } else {
769 pdb_set_logon_script(sampass,
770 talloc_sub_basic(ctx, username, domain,
771 lp_logon_script()),
772 PDB_DEFAULT );
773 }
774
775 profile_path = smbldap_talloc_single_attribute(
776 ldap_state->smbldap_state->ldap_struct,
777 entry,
778 get_userattr_key2string(ldap_state->schema_ver,
779 LDAP_ATTR_PROFILE_PATH),
780 ctx);
781 if (profile_path) {
782 if (expand_explicit) {
783 profile_path = talloc_sub_basic(ctx,
784 username,
785 domain,
786 profile_path);
787 if (!profile_path) {
788 goto fn_exit;
789 }
790 }
791 pdb_set_profile_path(sampass, profile_path, PDB_SET);
792 } else {
793 pdb_set_profile_path(sampass,
794 talloc_sub_basic(ctx, username, domain,
795 lp_logon_path()),
796 PDB_DEFAULT );
797 }
798
799 acct_desc = smbldap_talloc_single_attribute(
800 ldap_state->smbldap_state->ldap_struct,
801 entry,
802 get_userattr_key2string(ldap_state->schema_ver,
803 LDAP_ATTR_DESC),
804 ctx);
805 if (acct_desc) {
806 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
807 }
808
809 workstations = smbldap_talloc_single_attribute(
810 ldap_state->smbldap_state->ldap_struct,
811 entry,
812 get_userattr_key2string(ldap_state->schema_ver,
813 LDAP_ATTR_USER_WKS),
814 ctx);
815 if (workstations) {
816 pdb_set_workstations(sampass, workstations, PDB_SET);
817 }
818
819 munged_dial = smbldap_talloc_single_attribute(
820 ldap_state->smbldap_state->ldap_struct,
821 entry,
822 get_userattr_key2string(ldap_state->schema_ver,
823 LDAP_ATTR_MUNGED_DIAL),
824 ctx);
825 if (munged_dial) {
826 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
827 }
828
829 /* FIXME: hours stuff should be cleaner */
830
831 logon_divs = 168;
832 hours_len = 21;
833 memset(hours, 0xff, hours_len);
834
835 if (ldap_state->is_nds_ldap) {
836 char *user_dn;
837 size_t pwd_len;
838 char clear_text_pw[512];
839
840 /* Make call to Novell eDirectory ldap extension to get clear text password.
841 NOTE: This will only work if we have an SSL connection to eDirectory. */
842 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
843 if (user_dn != NULL) {
844 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
845
846 pwd_len = sizeof(clear_text_pw);
847 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
848 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
849 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
850 SAFE_FREE(user_dn);
851 return False;
852 }
853 ZERO_STRUCT(smblmpwd);
854 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
855 SAFE_FREE(user_dn);
856 return False;
857 }
858 ZERO_STRUCT(smbntpwd);
859 use_samba_attrs = False;
860 }
861
862 SAFE_FREE(user_dn);
863
864 } else {
865 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
866 }
867 }
868
869 if (use_samba_attrs) {
870 temp = smbldap_talloc_single_attribute(
871 ldap_state->smbldap_state->ldap_struct,
872 entry,
873 get_userattr_key2string(ldap_state->schema_ver,
874 LDAP_ATTR_LMPW),
875 ctx);
876 if (temp) {
877 pdb_gethexpwd(temp, smblmpwd);
878 memset((char *)temp, '\0', strlen(temp)+1);
879 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
880 goto fn_exit;
881 }
882 ZERO_STRUCT(smblmpwd);
883 }
884
885 temp = smbldap_talloc_single_attribute(
886 ldap_state->smbldap_state->ldap_struct,
887 entry,
888 get_userattr_key2string(ldap_state->schema_ver,
889 LDAP_ATTR_NTPW),
890 ctx);
891 if (temp) {
892 pdb_gethexpwd(temp, smbntpwd);
893 memset((char *)temp, '\0', strlen(temp)+1);
894 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
895 goto fn_exit;
896 }
897 ZERO_STRUCT(smbntpwd);
898 }
899 }
900
901 pwHistLen = 0;
902
903 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
904 if (pwHistLen > 0){
905 uint8 *pwhist = NULL;
906 int i;
907 char *history_string = TALLOC_ARRAY(ctx, char,
908 MAX_PW_HISTORY_LEN*64);
909
910 if (!history_string) {
911 goto fn_exit;
912 }
913
914 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
915
916 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
917 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
918 NULL){
919 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
920 goto fn_exit;
921 }
922 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
923
924 if (smbldap_get_single_attribute(
925 ldap_state->smbldap_state->ldap_struct,
926 entry,
927 get_userattr_key2string(ldap_state->schema_ver,
928 LDAP_ATTR_PWD_HISTORY),
929 history_string,
930 MAX_PW_HISTORY_LEN*64)) {
931 bool hex_failed = false;
932 for (i = 0; i < pwHistLen; i++){
933 /* Get the 16 byte salt. */
934 if (!pdb_gethexpwd(&history_string[i*64],
935 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
936 hex_failed = true;
937 break;
938 }
939 /* Get the 16 byte MD5 hash of salt+passwd. */
940 if (!pdb_gethexpwd(&history_string[(i*64)+32],
941 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
942 PW_HISTORY_SALT_LEN])) {
943 hex_failed = True;
944 break;
945 }
946 }
947 if (hex_failed) {
948 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
949 username));
950 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
951 }
952 }
953 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
954 goto fn_exit;
955 }
956 }
957
958 temp = smbldap_talloc_single_attribute(
959 ldap_state->smbldap_state->ldap_struct,
960 entry,
961 get_userattr_key2string(ldap_state->schema_ver,
962 LDAP_ATTR_ACB_INFO),
963 ctx);
964 if (temp) {
965 acct_ctrl = pdb_decode_acct_ctrl(temp);
966
967 if (acct_ctrl == 0) {
968 acct_ctrl |= ACB_NORMAL;
969 }
970
971 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
972 } else {
973 acct_ctrl |= ACB_NORMAL;
974 }
975
976 pdb_set_hours_len(sampass, hours_len, PDB_SET);
977 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
978
979 temp = smbldap_talloc_single_attribute(
980 ldap_state->smbldap_state->ldap_struct,
981 entry,
982 get_userattr_key2string(ldap_state->schema_ver,
983 LDAP_ATTR_BAD_PASSWORD_COUNT),
984 ctx);
985 if (temp) {
986 bad_password_count = (uint32) atol(temp);
987 pdb_set_bad_password_count(sampass,
988 bad_password_count, PDB_SET);
989 }
990
991 temp = smbldap_talloc_single_attribute(
992 ldap_state->smbldap_state->ldap_struct,
993 entry,
994 get_userattr_key2string(ldap_state->schema_ver,
995 LDAP_ATTR_BAD_PASSWORD_TIME),
996 ctx);
997 if (temp) {
998 bad_password_time = (time_t) atol(temp);
999 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1000 }
1001
1002
1003 temp = smbldap_talloc_single_attribute(
1004 ldap_state->smbldap_state->ldap_struct,
1005 entry,
1006 get_userattr_key2string(ldap_state->schema_ver,
1007 LDAP_ATTR_LOGON_COUNT),
1008 ctx);
1009 if (temp) {
1010 logon_count = (uint32) atol(temp);
1011 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1012 }
1013
1014 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1015
1016 temp = smbldap_talloc_single_attribute(
1017 ldap_state->smbldap_state->ldap_struct,
1018 entry,
1019 get_userattr_key2string(ldap_state->schema_ver,
1020 LDAP_ATTR_LOGON_HOURS),
1021 ctx);
1022 if (temp) {
1023 pdb_gethexhours(temp, hours);
1024 memset((char *)temp, '\0', strlen(temp) +1);
1025 pdb_set_hours(sampass, hours, PDB_SET);
1026 ZERO_STRUCT(hours);
1027 }
1028
1029 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1030 temp = smbldap_talloc_single_attribute(
1031 priv2ld(ldap_state),
1032 entry,
1033 "uidNumber",
1034 ctx);
1035 if (temp) {
1036 /* We've got a uid, feed the cache */
1037 uid_t uid = strtoul(temp, NULL, 10);
1038 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1039 }
1040 }
1041
1042 /* check the timestamp of the cache vs ldap entry */
1043 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1044 entry))) {
1045 ret = true;
1046 goto fn_exit;
1047 }
1048
1049 /* see if we have newer updates */
1050 if (!(cache_entry = login_cache_read(sampass))) {
1051 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1052 (unsigned int)pdb_get_bad_password_count(sampass),
1053 (unsigned int)pdb_get_bad_password_time(sampass)));
1054 ret = true;
1055 goto fn_exit;
1056 }
1057
1058 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1059 (unsigned int)ldap_entry_time,
1060 (unsigned int)cache_entry->entry_timestamp,
1061 (unsigned int)cache_entry->bad_password_time));
1062
1063 if (ldap_entry_time > cache_entry->entry_timestamp) {
1064 /* cache is older than directory , so
1065 we need to delete the entry but allow the
1066 fields to be written out */
1067 login_cache_delentry(sampass);
1068 } else {
1069 /* read cache in */
1070 pdb_set_acct_ctrl(sampass,
1071 pdb_get_acct_ctrl(sampass) |
1072 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1073 PDB_SET);
1074 pdb_set_bad_password_count(sampass,
1075 cache_entry->bad_password_count,
1076 PDB_SET);
1077 pdb_set_bad_password_time(sampass,
1078 cache_entry->bad_password_time,
1079 PDB_SET);
1080 }
1081
1082 ret = true;
1083
1084 fn_exit:
1085
1086 TALLOC_FREE(ctx);
1087 SAFE_FREE(cache_entry);
1088 return ret;
1089 }
1090
1091 /**********************************************************************
1092 Initialize the ldap db from a struct samu. Called on update.
1093 (Based on init_buffer_from_sam in pdb_tdb.c)
1094 *********************************************************************/
1095
1096 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1097 LDAPMessage *existing,
1098 LDAPMod *** mods, struct samu * sampass,
1099 bool (*need_update)(const struct samu *,
1100 enum pdb_elements))
1101 {
1102 char *temp = NULL;
1103 uint32 rid;
1104
1105 if (mods == NULL || sampass == NULL) {
1106 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1107 return False;
1108 }
1109
1110 *mods = NULL;
1111
1112 /*
1113 * took out adding "objectclass: sambaAccount"
1114 * do this on a per-mod basis
1115 */
1116 if (need_update(sampass, PDB_USERNAME)) {
1117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1118 "uid", pdb_get_username(sampass));
1119 if (ldap_state->is_nds_ldap) {
1120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1121 "cn", pdb_get_username(sampass));
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 "sn", pdb_get_username(sampass));
1124 }
1125 }
1126
1127 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1128
1129 /* only update the RID if we actually need to */
1130 if (need_update(sampass, PDB_USERSID)) {
1131 fstring sid_string;
1132 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1133
1134 switch ( ldap_state->schema_ver ) {
1135 case SCHEMAVER_SAMBAACCOUNT:
1136 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1137 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1138 sid_string_static(user_sid),
1139 sid_string_static(&ldap_state->domain_sid)));
1140 return False;
1141 }
1142 if (asprintf(&temp, "%i", rid) < 0) {
1143 return false;
1144 }
1145 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1146 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1147 temp);
1148 SAFE_FREE(temp);
1149 break;
1150
1151 case SCHEMAVER_SAMBASAMACCOUNT:
1152 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1153 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1154 sid_to_string(sid_string, user_sid));
1155 break;
1156
1157 default:
1158 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1159 break;
1160 }
1161 }
1162
1163 /* we don't need to store the primary group RID - so leaving it
1164 'free' to hang off the unix primary group makes life easier */
1165
1166 if (need_update(sampass, PDB_GROUPSID)) {
1167 fstring sid_string;
1168 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1169
1170 switch ( ldap_state->schema_ver ) {
1171 case SCHEMAVER_SAMBAACCOUNT:
1172 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1173 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1174 sid_string_static(group_sid),
1175 sid_string_static(&ldap_state->domain_sid)));
1176 return False;
1177 }
1178
1179 if (asprintf(&temp, "%i", rid) < 0) {
1180 return false;
1181 }
1182 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1183 get_userattr_key2string(ldap_state->schema_ver,
1184 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1185 SAFE_FREE(temp);
1186 break;
1187
1188 case SCHEMAVER_SAMBASAMACCOUNT:
1189 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1190 get_userattr_key2string(ldap_state->schema_ver,
1191 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1192 break;
1193
1194 default:
1195 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1196 break;
1197 }
1198
1199 }
1200
1201 /* displayName, cn, and gecos should all be the same
1202 * most easily accomplished by giving them the same OID
1203 * gecos isn't set here b/c it should be handled by the
1204 * add-user script
1205 * We change displayName only and fall back to cn if
1206 * it does not exist.
1207 */
1208
1209 if (need_update(sampass, PDB_FULLNAME))
1210 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1211 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1212 pdb_get_fullname(sampass));
1213
1214 if (need_update(sampass, PDB_ACCTDESC))
1215 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1216 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1217 pdb_get_acct_desc(sampass));
1218
1219 if (need_update(sampass, PDB_WORKSTATIONS))
1220 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1221 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1222 pdb_get_workstations(sampass));
1223
1224 if (need_update(sampass, PDB_MUNGEDDIAL))
1225 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1226 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1227 pdb_get_munged_dial(sampass));
1228
1229 if (need_update(sampass, PDB_SMBHOME))
1230 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1231 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1232 pdb_get_homedir(sampass));
1233
1234 if (need_update(sampass, PDB_DRIVE))
1235 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1236 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1237 pdb_get_dir_drive(sampass));
1238
1239 if (need_update(sampass, PDB_LOGONSCRIPT))
1240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1241 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1242 pdb_get_logon_script(sampass));
1243
1244 if (need_update(sampass, PDB_PROFILE))
1245 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1246 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1247 pdb_get_profile_path(sampass));
1248
1249 if (asprintf(&temp, "%li", pdb_get_logon_time(sampass)) < 0) {
1250 return false;
1251 }
1252 if (need_update(sampass, PDB_LOGONTIME))
1253 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1254 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1255 SAFE_FREE(temp);
1256
1257 if (asprintf(&temp, "%li", pdb_get_logoff_time(sampass)) < 0) {
1258 return false;
1259 }
1260 if (need_update(sampass, PDB_LOGOFFTIME))
1261 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1262 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1263 SAFE_FREE(temp);
1264
1265 if (asprintf(&temp, "%li", pdb_get_kickoff_time(sampass)) < 0) {
1266 return false;
1267 }
1268 if (need_update(sampass, PDB_KICKOFFTIME))
1269 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1270 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1271 SAFE_FREE(temp);
1272
1273 if (asprintf(&temp, "%li", pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1274 return false;
1275 }
1276 if (need_update(sampass, PDB_CANCHANGETIME))
1277 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1278 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1279 SAFE_FREE(temp);
1280
1281 if (asprintf(&temp, "%li", pdb_get_pass_must_change_time(sampass)) < 0) {
1282 return false;
1283 }
1284 if (need_update(sampass, PDB_MUSTCHANGETIME))
1285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1287 SAFE_FREE(temp);
1288
1289 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1290 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1291
1292 if (need_update(sampass, PDB_LMPASSWD)) {
1293 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1294 if (lm_pw) {
1295 char pwstr[34];
1296 pdb_sethexpwd(pwstr, lm_pw,
1297 pdb_get_acct_ctrl(sampass));
1298 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1299 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1300 pwstr);
1301 } else {
1302 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304 NULL);
1305 }
1306 }
1307 if (need_update(sampass, PDB_NTPASSWD)) {
1308 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1309 if (nt_pw) {
1310 char pwstr[34];
1311 pdb_sethexpwd(pwstr, nt_pw,
1312 pdb_get_acct_ctrl(sampass));
1313 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1314 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1315 pwstr);
1316 } else {
1317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1319 NULL);
1320 }
1321 }
1322
1323 if (need_update(sampass, PDB_PWHISTORY)) {
1324 char *pwstr = NULL;
1325 uint32 pwHistLen = 0;
1326 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1327
1328 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1329 if (!pwstr) {
1330 return false;
1331 }
1332 if (pwHistLen == 0) {
1333 /* Remove any password history from the LDAP store. */
1334 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1335 pwstr[64] = '\0';
1336 } else {
1337 int i;
1338 uint32 currHistLen = 0;
1339 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1340 if (pwhist != NULL) {
1341 /* We can only store (1024-1/64 password history entries. */
1342 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1343 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1344 /* Store the salt. */
1345 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1346 /* Followed by the md5 hash of salt + md4 hash */
1347 pdb_sethexpwd(&pwstr[(i*64)+32],
1348 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1349 DEBUG(100, ("pwstr=%s\n", pwstr));
1350 }
1351 }
1352 }
1353 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1354 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1355 pwstr);
1356 SAFE_FREE(pwstr);
1357 }
1358
1359 if (need_update(sampass, PDB_PASSLASTSET)) {
1360 if (asprintf(&temp, "%li",
1361 pdb_get_pass_last_set_time(sampass)) < 0) {
1362 return false;
1363 }
1364 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1365 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1366 temp);
1367 SAFE_FREE(temp);
1368 }
1369 }
1370
1371 if (need_update(sampass, PDB_HOURS)) {
1372 const uint8 *hours = pdb_get_hours(sampass);
1373 if (hours) {
1374 char hourstr[44];
1375 pdb_sethexhours(hourstr, hours);
1376 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1377 existing,
1378 mods,
1379 get_userattr_key2string(ldap_state->schema_ver,
1380 LDAP_ATTR_LOGON_HOURS),
1381 hourstr);
1382 }
1383 }
1384
1385 if (need_update(sampass, PDB_ACCTCTRL))
1386 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1387 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1388 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1389
1390 /* password lockout cache:
1391 - If we are now autolocking or clearing, we write to ldap
1392 - If we are clearing, we delete the cache entry
1393 - If the count is > 0, we update the cache
1394
1395 This even means when autolocking, we cache, just in case the
1396 update doesn't work, and we have to cache the autolock flag */
1397
1398 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1399 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1400 uint16 badcount = pdb_get_bad_password_count(sampass);
1401 time_t badtime = pdb_get_bad_password_time(sampass);
1402 uint32 pol;
1403 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1404
1405 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1406 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1407
1408 if ((badcount >= pol) || (badcount == 0)) {
1409 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1410 (unsigned int)badcount, (unsigned int)badtime));
1411 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1412 return false;
1413 }
1414 smbldap_make_mod(
1415 ldap_state->smbldap_state->ldap_struct,
1416 existing, mods,
1417 get_userattr_key2string(
1418 ldap_state->schema_ver,
1419 LDAP_ATTR_BAD_PASSWORD_COUNT),
1420 temp);
1421 SAFE_FREE(temp);
1422
1423 if (asprintf(&temp, "%li", badtime) < 0) {
1424 return false;
1425 }
1426 smbldap_make_mod(
1427 ldap_state->smbldap_state->ldap_struct,
1428 existing, mods,
1429 get_userattr_key2string(
1430 ldap_state->schema_ver,
1431 LDAP_ATTR_BAD_PASSWORD_TIME),
1432 temp);
1433 SAFE_FREE(temp);
1434 }
1435 if (badcount == 0) {
1436 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1437 login_cache_delentry(sampass);
1438 } else {
1439 LOGIN_CACHE cache_entry;
1440
1441 cache_entry.entry_timestamp = time(NULL);
1442 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1443 cache_entry.bad_password_count = badcount;
1444 cache_entry.bad_password_time = badtime;
1445
1446 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1447 login_cache_write(sampass, cache_entry);
1448 }
1449 }
1450
1451 return True;
1452 }
1453
1454 /**********************************************************************
1455 Connect to LDAP server for password enumeration.
1456 *********************************************************************/
1457
1458 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, bool update, uint32 acb_mask)
1459 {
1460 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1461 int rc;
1462 char *filter = NULL;
1463 const char *suffix;
1464 const char **attr_list;
1465 bool machine_mask = False, user_mask = False;
1466 NTSTATUS status = NT_STATUS_OK;
1467 TALLOC_CTX *ctx = talloc_init("ldapsam_setsampwent");
1468
1469 if (!ctx) {
1470 return NT_STATUS_NO_MEMORY;
1471 }
1472 filter = talloc_asprintf(ctx, "(&%s%s)", "(uid=%u)",
1473 get_objclass_filter(ldap_state->schema_ver));
1474 if (!filter) {
1475 status = NT_STATUS_NO_MEMORY;
1476 goto out;
1477 }
1478
1479 filter = talloc_all_string_sub(ctx, filter, "%u", "*");
1480 if (!filter) {
1481 status = NT_STATUS_NO_MEMORY;
1482 goto out;
1483 }
1484
1485 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1486 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1487
1488 if (machine_mask) {
1489 suffix = lp_ldap_machine_suffix();
1490 } else if (user_mask) {
1491 suffix = lp_ldap_user_suffix();
1492 } else {
1493 suffix = lp_ldap_suffix();
1494 }
1495
1496 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1497 acb_mask, suffix));
1498
1499 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1500 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1501 attr_list, 0, &ldap_state->result);
1502 TALLOC_FREE( attr_list );
1503
1504 if (rc != LDAP_SUCCESS) {
1505 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1506 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1507 ldap_msgfree(ldap_state->result);
1508 ldap_state->result = NULL;
1509 status = NT_STATUS_UNSUCCESSFUL;
1510 goto out;
1511 }
1512
1513 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1514 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1515 ldap_state->result), suffix));
1516
1517 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1518 ldap_state->result);
1519 ldap_state->index = 0;
1520
1521 out:
1522
1523 TALLOC_FREE(ctx);
1524 return status;
1525 }
1526
1527 /**********************************************************************
1528 End enumeration of the LDAP password list.
1529 *********************************************************************/
1530
1531 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1532 {
1533 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1534 if (ldap_state->result) {
1535 ldap_msgfree(ldap_state->result);
1536 ldap_state->result = NULL;
1537 }
1538 }
1539
1540 /**********************************************************************
1541 Get the next entry in the LDAP password database.
1542 *********************************************************************/
1543
1544 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1545 struct samu *user)
1546 {
1547 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1548 struct ldapsam_privates *ldap_state =
1549 (struct ldapsam_privates *)my_methods->private_data;
1550 bool bret = False;
1551
1552 while (!bret) {
1553 if (!ldap_state->entry)
1554 return ret;
1555
1556 ldap_state->index++;
1557 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1558
1559 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1560 ldap_state->entry);
1561 }
1562
1563 return NT_STATUS_OK;
1564 }
1565
1566 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1567 const char *new_attr)
1568 {
1569 int i;
1570
1571 if (new_attr == NULL) {
1572 return;
1573 }
1574
1575 for (i=0; (*attr_list)[i] != NULL; i++) {
1576 ;
1577 }
1578
1579 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1580 const char *, i+2);
1581 SMB_ASSERT((*attr_list) != NULL);
1582 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1583 (*attr_list)[i+1] = NULL;
1584 }
1585
1586 /**********************************************************************
1587 Get struct samu entry from LDAP by username.
1588 *********************************************************************/
1589
1590 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1591 {
1592 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1593 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1594 LDAPMessage *result = NULL;
1595 LDAPMessage *entry = NULL;
1596 int count;
1597 const char ** attr_list;
1598 int rc;
1599
1600 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1601 append_attr(user, &attr_list,
1602 get_userattr_key2string(ldap_state->schema_ver,
1603 LDAP_ATTR_MOD_TIMESTAMP));
1604 append_attr(user, &attr_list, "uidNumber");
1605 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1606 attr_list);
1607 TALLOC_FREE( attr_list );
1608
1609 if ( rc != LDAP_SUCCESS )
1610 return NT_STATUS_NO_SUCH_USER;
1611
1612 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1613
1614 if (count < 1) {
1615 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1616 ldap_msgfree(result);
1617 return NT_STATUS_NO_SUCH_USER;
1618 } else if (count > 1) {
1619 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (entry) {
1626 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1627 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1628 ldap_msgfree(result);
1629 return NT_STATUS_NO_SUCH_USER;
1630 }
1631 pdb_set_backend_private_data(user, result, NULL,
1632 my_methods, PDB_CHANGED);
1633 talloc_autofree_ldapmsg(user, result);
1634 ret = NT_STATUS_OK;
1635 } else {
1636 ldap_msgfree(result);
1637 }
1638 return ret;
1639 }
1640
1641 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1642 const DOM_SID *sid, LDAPMessage **result)
1643 {
1644 int rc = -1;
1645 const char ** attr_list;
1646 uint32 rid;
1647
1648 switch ( ldap_state->schema_ver ) {
1649 case SCHEMAVER_SAMBASAMACCOUNT: {
1650 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1651 if (tmp_ctx == NULL) {
1652 return LDAP_NO_MEMORY;
1653 }
1654
1655 attr_list = get_userattr_list(tmp_ctx,
1656 ldap_state->schema_ver);
1657 append_attr(tmp_ctx, &attr_list,
1658 get_userattr_key2string(
1659 ldap_state->schema_ver,
1660 LDAP_ATTR_MOD_TIMESTAMP));
1661 append_attr(tmp_ctx, &attr_list, "uidNumber");
1662 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1663 result, attr_list);
1664 TALLOC_FREE(tmp_ctx);
1665
1666 if ( rc != LDAP_SUCCESS )
1667 return rc;
1668 break;
1669 }
1670
1671 case SCHEMAVER_SAMBAACCOUNT:
1672 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1673 return rc;
1674 }
1675
1676 attr_list = get_userattr_list(NULL,
1677 ldap_state->schema_ver);
1678 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1679 TALLOC_FREE( attr_list );
1680
1681 if ( rc != LDAP_SUCCESS )
1682 return rc;
1683 break;
1684 }
1685 return rc;
1686 }
1687
1688 /**********************************************************************
1689 Get struct samu entry from LDAP by SID.
1690 *********************************************************************/
1691
1692 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1693 {
1694 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1695 LDAPMessage *result = NULL;
1696 LDAPMessage *entry = NULL;
1697 int count;
1698 int rc;
1699 fstring sid_string;
1700
1701 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1702 sid, &result);
1703 if (rc != LDAP_SUCCESS)
1704 return NT_STATUS_NO_SUCH_USER;
1705
1706 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1707
1708 if (count < 1) {
1709 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1710 count));
1711 ldap_msgfree(result);
1712 return NT_STATUS_NO_SUCH_USER;
1713 } else if (count > 1) {
1714 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1715 count));
1716 ldap_msgfree(result);
1717 return NT_STATUS_NO_SUCH_USER;
1718 }
1719
1720 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1721 if (!entry) {
1722 ldap_msgfree(result);
1723 return NT_STATUS_NO_SUCH_USER;
1724 }
1725
1726 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1727 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1728 ldap_msgfree(result);
1729 return NT_STATUS_NO_SUCH_USER;
1730 }
1731
1732 pdb_set_backend_private_data(user, result, NULL,
1733 my_methods, PDB_CHANGED);
1734 talloc_autofree_ldapmsg(user, result);
1735 return NT_STATUS_OK;
1736 }
1737
1738 /********************************************************************
1739 Do the actual modification - also change a plaintext passord if
1740 it it set.
1741 **********************************************************************/
1742
1743 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1744 struct samu *newpwd, char *dn,
1745 LDAPMod **mods, int ldap_op,
1746 bool (*need_update)(const struct samu *, enum pdb_elements))
1747 {
1748 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1749 int rc;
1750
1751 if (!newpwd || !dn) {
1752 return NT_STATUS_INVALID_PARAMETER;
1753 }
1754
1755 if (!mods) {
1756 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1757 /* may be password change below however */
1758 } else {
1759 switch(ldap_op) {
1760 case LDAP_MOD_ADD:
1761 if (ldap_state->is_nds_ldap) {
1762 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1763 "objectclass",
1764 "inetOrgPerson");
1765 } else {
1766 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1767 "objectclass",
1768 LDAP_OBJ_ACCOUNT);
1769 }
1770 rc = smbldap_add(ldap_state->smbldap_state,
1771 dn, mods);
1772 break;
1773 case LDAP_MOD_REPLACE:
1774 rc = smbldap_modify(ldap_state->smbldap_state,
1775 dn ,mods);
1776 break;
1777 default:
1778 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1779 ldap_op));
1780 return NT_STATUS_INVALID_PARAMETER;
1781 }
1782
1783 if (rc!=LDAP_SUCCESS) {
1784 return NT_STATUS_UNSUCCESSFUL;
1785 }
1786 }
1787
1788 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1789 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1790 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1791 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1792 BerElement *ber;
1793 struct berval *bv;
1794 char *retoid = NULL;
1795 struct berval *retdata = NULL;
1796 char *utf8_password;
1797 char *utf8_dn;
1798
1799 if (!ldap_state->is_nds_ldap) {
1800
1801 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1802 LDAP_EXOP_MODIFY_PASSWD)) {
1803 DEBUG(2, ("ldap password change requested, but LDAP "
1804 "server does not support it -- ignoring\n"));
1805 return NT_STATUS_OK;
1806 }
1807 }
1808
1809 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1810 return NT_STATUS_NO_MEMORY;
1811 }
1812
1813 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1814 SAFE_FREE(utf8_password);
1815 return NT_STATUS_NO_MEMORY;
1816 }
1817
1818 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1819 DEBUG(0,("ber_alloc_t returns NULL\n"));
1820 SAFE_FREE(utf8_password);
1821 SAFE_FREE(utf8_dn);
1822 return NT_STATUS_UNSUCCESSFUL;
1823 }
1824
1825 ber_printf (ber, "{");
1826 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1827 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1828 ber_printf (ber, "n}");
1829
1830 if ((rc = ber_flatten (ber, &bv))<0) {
1831 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1832 ber_free(ber,1);
1833 SAFE_FREE(utf8_dn);
1834 SAFE_FREE(utf8_password);
1835 return NT_STATUS_UNSUCCESSFUL;
1836 }
1837
1838 SAFE_FREE(utf8_dn);
1839 SAFE_FREE(utf8_password);
1840 ber_free(ber, 1);
1841
1842 if (!ldap_state->is_nds_ldap) {
1843 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1844 LDAP_EXOP_MODIFY_PASSWD,
1845 bv, NULL, NULL, &retoid,
1846 &retdata);
1847 } else {
1848 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1849 pdb_get_plaintext_passwd(newpwd));
1850 }
1851 if (rc != LDAP_SUCCESS) {
1852 char *ld_error = NULL;
1853
1854 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1855 DEBUG(3, ("Could not set userPassword "
1856 "attribute due to an objectClass "
1857 "violation -- ignoring\n"));
1858 ber_bvfree(bv);
1859 return NT_STATUS_OK;
1860 }
1861
1862 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1863 &ld_error);
1864 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1865 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1866 SAFE_FREE(ld_error);
1867 ber_bvfree(bv);
1868 return NT_STATUS_UNSUCCESSFUL;
1869 } else {
1870 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1871 #ifdef DEBUG_PASSWORD
1872 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1873 #endif
1874 if (retdata)
1875 ber_bvfree(retdata);
1876 if (retoid)
1877 ldap_memfree(retoid);
1878 }
1879 ber_bvfree(bv);
1880 }
1881 return NT_STATUS_OK;
1882 }
1883
1884 /**********************************************************************
1885 Delete entry from LDAP for username.
1886 *********************************************************************/
1887
1888 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1889 struct samu * sam_acct)
1890 {
1891 struct ldapsam_privates *priv =
1892 (struct ldapsam_privates *)my_methods->private_data;
1893 const char *sname;
1894 int rc;
1895 LDAPMessage *msg, *entry;
1896 NTSTATUS result = NT_STATUS_NO_MEMORY;
1897 const char **attr_list;
1898 TALLOC_CTX *mem_ctx;
1899
1900 if (!sam_acct) {
1901 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1902 return NT_STATUS_INVALID_PARAMETER;
1903 }
1904
1905 sname = pdb_get_username(sam_acct);
1906
1907 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1908 "LDAP.\n", sname));
1909
1910 mem_ctx = talloc_new(NULL);
1911 if (mem_ctx == NULL) {
1912 DEBUG(0, ("talloc_new failed\n"));
1913 goto done;
1914 }
1915
1916 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1917 if (attr_list == NULL) {
1918 goto done;
1919 }
1920
1921 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1922
1923 if ((rc != LDAP_SUCCESS) ||
1924 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1925 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1926 DEBUG(5, ("Could not find user %s\n", sname));
1927 result = NT_STATUS_NO_SUCH_USER;
1928 goto done;
1929 }
1930
1931 rc = ldapsam_delete_entry(
1932 priv, mem_ctx, entry,
1933 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1934 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1935 attr_list);
1936
1937 result = (rc == LDAP_SUCCESS) ?
1938 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1939
1940 done:
1941 TALLOC_FREE(mem_ctx);
1942 return result;
1943 }
1944
1945 /**********************************************************************
1946 Helper function to determine for update_sam_account whether
1947 we need LDAP modification.
1948 *********************************************************************/
1949
1950 static bool element_is_changed(const struct samu *sampass,
1951 enum pdb_elements element)
1952 {
1953 return IS_SAM_CHANGED(sampass, element);
1954 }
1955
1956 /**********************************************************************
1957 Update struct samu.
1958 *********************************************************************/
1959
1960 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1961 {
1962 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1963 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1964 int rc = 0;
1965 char *dn;
1966 LDAPMessage *result = NULL;
1967 LDAPMessage *entry = NULL;
1968 LDAPMod **mods = NULL;
1969 const char **attr_list;
1970
1971 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1972 if (!result) {
1973 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1974 if (pdb_get_username(newpwd) == NULL) {
1975 return NT_STATUS_INVALID_PARAMETER;
1976 }
1977 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1978 TALLOC_FREE( attr_list );
1979 if (rc != LDAP_SUCCESS) {
1980 return NT_STATUS_UNSUCCESSFUL;
1981 }
1982 pdb_set_backend_private_data(newpwd, result, NULL,
1983 my_methods, PDB_CHANGED);
1984 talloc_autofree_ldapmsg(newpwd, result);
1985 }
1986
1987 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1988 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1989 return NT_STATUS_UNSUCCESSFUL;
1990 }
1991
1992 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1993 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1994 if (!dn) {
1995 return NT_STATUS_UNSUCCESSFUL;
1996 }
1997
1998 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1999
2000 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2001 element_is_changed)) {
2002 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2003 SAFE_FREE(dn);
2004 if (mods != NULL)
2005 ldap_mods_free(mods,True);
2006 return NT_STATUS_UNSUCCESSFUL;
2007 }
2008
2009 if (mods == NULL) {
2010 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2011 pdb_get_username(newpwd)));
2012 SAFE_FREE(dn);
2013 return NT_STATUS_OK;
2014 }
2015
2016 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2017 ldap_mods_free(mods,True);
2018 SAFE_FREE(dn);
2019
2020 /*
2021 * We need to set the backend private data to NULL here. For example
2022 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2023 * same one, and with the explicit delete / add logic for attribute
2024 * values the second time we would use the wrong "old" value which
2025 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2026 * the update.
2027 * The existing LDAPMessage is still being auto-freed by the
2028 * destructor.
2029 */
2030 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2031 PDB_CHANGED);
2032
2033 if (!NT_STATUS_IS_OK(ret)) {
2034 return ret;
2035 }
2036
2037 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2038 pdb_get_username(newpwd)));
2039 return NT_STATUS_OK;
2040 }
2041
2042 /***************************************************************************
2043 Renames a struct samu
2044 - The "rename user script" has full responsibility for changing everything
2045 ***************************************************************************/
2046
2047 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2048 struct samu *old_acct,
2049 const char *newname)
2050 {
2051 const char *oldname;
2052 int rc;
2053 char *rename_script = NULL;
2054 fstring oldname_lower, newname_lower;
2055
2056 if (!old_acct) {
2057 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2058 return NT_STATUS_INVALID_PARAMETER;
2059 }
2060 if (!newname) {
2061 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2062 return NT_STATUS_INVALID_PARAMETER;
2063 }
2064
2065 oldname = pdb_get_username(old_acct);
2066
2067 /* rename the posix user */
2068 rename_script = SMB_STRDUP(lp_renameuser_script());
2069 if (rename_script) {
2070 return NT_STATUS_NO_MEMORY;
2071 }
2072
2073 if (!(*rename_script)) {
2074 SAFE_FREE(rename_script);
2075 return NT_STATUS_ACCESS_DENIED;
2076 }
2077
2078 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2079 oldname, newname));
2080
2081 /* We have to allow the account name to end with a '$'.
2082 Also, follow the semantics in _samr_create_user() and lower case the
2083 posix name but preserve the case in passdb */
2084
2085 fstrcpy( oldname_lower, oldname );
2086 strlower_m( oldname_lower );
2087 fstrcpy( newname_lower, newname );
2088 strlower_m( newname_lower );
2089 rename_script = realloc_string_sub2(rename_script,
2090 "%unew",
2091 newname_lower,
2092 true,
2093 true);
2094 if (rename_script) {
2095 return NT_STATUS_NO_MEMORY;
2096 }
2097 rename_script = realloc_string_sub2(rename_script,
2098 "%uold",
2099 oldname_lower,
2100 true,
2101 true);
2102 rc = smbrun(rename_script, NULL);
2103
2104 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2105 rename_script, rc));
2106
2107 SAFE_FREE(rename_script);
2108
2109 if (rc == 0) {
2110 smb_nscd_flush_user_cache();
2111 }
2112
2113 if (rc)
2114 return NT_STATUS_UNSUCCESSFUL;
2115
2116 return NT_STATUS_OK;
2117 }
2118
2119 /**********************************************************************
2120 Helper function to determine for update_sam_account whether
2121 we need LDAP modification.
2122 *********************************************************************/
2123
2124 static bool element_is_set_or_changed(const struct samu *sampass,
2125 enum pdb_elements element)
2126 {
2127 return (IS_SAM_SET(sampass, element) ||
2128 IS_SAM_CHANGED(sampass, element));
2129 }
2130
2131 /**********************************************************************
2132 Add struct samu to LDAP.
2133 *********************************************************************/
2134
2135 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2136 {
2137 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2138 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2139 int rc;
2140 LDAPMessage *result = NULL;
2141 LDAPMessage *entry = NULL;
2142 LDAPMod **mods = NULL;
2143 int ldap_op = LDAP_MOD_REPLACE;
2144 uint32 num_result;
2145 const char **attr_list;
2146 char *escape_user = NULL;
2147 const char *username = pdb_get_username(newpwd);
2148 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2149 char *filter = NULL;
2150 char *dn = NULL;
2151 fstring sid_string;
2152 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2153 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2154
2155 if (!ctx) {
2156 return NT_STATUS_NO_MEMORY;
2157 }
2158
2159 if (!username || !*username) {
2160 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2161 status = NT_STATUS_INVALID_PARAMETER;
2162 goto fn_exit;
2163 }
2164
2165 /* free this list after the second search or in case we exit on failure */
2166 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2167
2168 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2169
2170 if (rc != LDAP_SUCCESS) {
2171 goto fn_exit;
2172 }
2173
2174 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2175 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2176 username));
2177 goto fn_exit;
2178 }
2179 ldap_msgfree(result);
2180 result = NULL;
2181
2182 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2183 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2184 sid, &result);
2185 if (rc == LDAP_SUCCESS) {
2186 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2187 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
2188 sid_to_string(sid_string, sid)));
2189 goto fn_exit;
2190 }
2191 ldap_msgfree(result);
2192 result = NULL;
2193 }
2194 }
2195
2196 /* does the entry already exist but without a samba attributes?
2197 we need to return the samba attributes here */
2198
2199 escape_user = escape_ldap_string_alloc( username );
2200 filter = talloc_strdup(attr_list, "(uid=%u)");
2201 if (!filter) {
2202 status = NT_STATUS_NO_MEMORY;
2203 goto fn_exit;
2204 }
2205 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2206 if (!filter) {
2207 status = NT_STATUS_NO_MEMORY;
2208 goto fn_exit;
2209 }
2210 SAFE_FREE(escape_user);
2211
2212 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2213 filter, attr_list, &result);
2214 if ( rc != LDAP_SUCCESS ) {
2215 goto fn_exit;
2216 }
2217
2218 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2219
2220 if (num_result > 1) {
2221 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2222 goto fn_exit;
2223 }
2224
2225 /* Check if we need to update an existing entry */
2226 if (num_result == 1) {
2227 char *tmp;
2228
2229 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2230 ldap_op = LDAP_MOD_REPLACE;
2231 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2232 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2233 if (!tmp) {
2234 goto fn_exit;
2235 }
2236 dn = talloc_asprintf(ctx, "%s", tmp);
2237 SAFE_FREE(tmp);
2238 if (!dn) {
2239 status = NT_STATUS_NO_MEMORY;
2240 goto fn_exit;
2241 }
2242
2243 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2244
2245 /* There might be a SID for this account already - say an idmap entry */
2246
2247 filter = talloc_asprintf(ctx,
2248 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2249 get_userattr_key2string(ldap_state->schema_ver,
2250 LDAP_ATTR_USER_SID),
2251 sid_to_string(sid_string, sid),
2252 LDAP_OBJ_IDMAP_ENTRY,
2253 LDAP_OBJ_SID_ENTRY);
2254 if (!filter) {
2255 status = NT_STATUS_NO_MEMORY;
2256 goto fn_exit;
2257 }
2258
2259 /* free old result before doing a new search */
2260 if (result != NULL) {
2261 ldap_msgfree(result);
2262 result = NULL;
2263 }
2264 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2265 filter, attr_list, &result);
2266
2267 if ( rc != LDAP_SUCCESS ) {
2268 goto fn_exit;
2269 }
2270
2271 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2272
2273 if (num_result > 1) {
2274 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2275 goto fn_exit;
2276 }
2277
2278 /* Check if we need to update an existing entry */
2279 if (num_result == 1) {
2280 char *tmp;
2281
2282 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2283 ldap_op = LDAP_MOD_REPLACE;
2284 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2285 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2286 if (!tmp) {
2287 goto fn_exit;
2288 }
2289 dn = talloc_asprintf(ctx, "%s", tmp);
2290 SAFE_FREE(tmp);
2291 if (!dn) {
2292 status = NT_STATUS_NO_MEMORY;
2293 goto fn_exit;
2294 }
2295 }
2296 }
2297
2298 if (num_result == 0) {
2299 char *escape_username;
2300 /* Check if we need to add an entry */
2301 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2302 ldap_op = LDAP_MOD_ADD;
2303
2304 escape_username = escape_rdn_val_string_alloc(username);
2305 if (!escape_username) {
2306 status = NT_STATUS_NO_MEMORY;
2307 goto fn_exit;
2308 }
2309
2310 if (username[strlen(username)-1] == '$') {
2311 dn = talloc_asprintf(ctx,
2312 "uid=%s,%s",
2313 escape_username,
2314 lp_ldap_machine_suffix());
2315 } else {
2316 dn = talloc_asprintf(ctx,
2317 "uid=%s,%s",
2318 escape_username,
2319 lp_ldap_user_suffix());
2320 }
2321
2322 SAFE_FREE(escape_username);
2323 if (!dn) {
2324 status = NT_STATUS_NO_MEMORY;
2325 goto fn_exit;
2326 }
2327 }
2328
2329 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2330 element_is_set_or_changed)) {
2331 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2332 if (mods != NULL) {
2333 ldap_mods_free(mods, true);
2334 }
2335 goto fn_exit;
2336 }
2337
2338 if (mods == NULL) {
2339 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2340 goto fn_exit;
2341 }
2342 switch ( ldap_state->schema_ver ) {
2343 case SCHEMAVER_SAMBAACCOUNT:
2344 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2345 break;
2346 case SCHEMAVER_SAMBASAMACCOUNT:
2347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2348 break;
2349 default:
2350 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2351 break;
2352 }
2353
2354 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2355 if (!NT_STATUS_IS_OK(ret)) {
2356 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2357 pdb_get_username(newpwd),dn));
2358 ldap_mods_free(mods, true);
2359 goto fn_exit;
2360 }
2361
2362 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2363 ldap_mods_free(mods, true);
2364
2365 status = NT_STATUS_OK;
2366
2367 fn_exit:
2368
2369 TALLOC_FREE(ctx);
2370 SAFE_FREE(escape_user);
2371 if (result) {
2372 ldap_msgfree(result);
2373 }
2374 return status;
2375 }
2376
2377 /**********************************************************************
2378 *********************************************************************/
2379
2380 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2381 const char *filter,
2382 LDAPMessage ** result)
2383 {
2384 int scope = LDAP_SCOPE_SUBTREE;
2385 int rc;
2386 const char **attr_list;
2387
2388 attr_list = get_attr_list(NULL, groupmap_attr_list);
2389 rc = smbldap_search(ldap_state->smbldap_state,
2390 lp_ldap_group_suffix (), scope,
2391 filter, attr_list, 0, result);
2392 TALLOC_FREE(attr_list);
2393
2394 return rc;
2395 }
2396
2397 /**********************************************************************
2398 *********************************************************************/
2399
2400 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2401 GROUP_MAP *map, LDAPMessage *entry)
2402 {
2403 char *temp = NULL;
2404 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2405
2406 if (ldap_state == NULL || map == NULL || entry == NULL ||
2407 ldap_state->smbldap_state->ldap_struct == NULL) {
2408 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2409 TALLOC_FREE(ctx);
2410 return false;
2411 }
2412
2413 temp = smbldap_talloc_single_attribute(
2414 ldap_state->smbldap_state->ldap_struct,
2415 entry,
2416 get_attr_key2string(groupmap_attr_list,
2417 LDAP_ATTR_GIDNUMBER),
2418 ctx);
2419 if (!temp) {
2420 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2421 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2422 TALLOC_FREE(ctx);
2423 return false;
2424 }
2425 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2426
2427 map->gid = (gid_t)atol(temp);
2428
2429 TALLOC_FREE(temp);
2430 temp = smbldap_talloc_single_attribute(
2431 ldap_state->smbldap_state->ldap_struct,
2432 entry,
2433 get_attr_key2string(groupmap_attr_list,
2434 LDAP_ATTR_GROUP_SID),
2435 ctx);
2436 if (!temp) {
2437 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2438 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2439 TALLOC_FREE(ctx);
2440 return false;
2441 }
2442
2443 if (!string_to_sid(&map->sid, temp)) {
2444 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2445 TALLOC_FREE(ctx);
2446 return false;
2447 }
2448
2449 TALLOC_FREE(temp);
2450 temp = smbldap_talloc_single_attribute(
2451 ldap_state->smbldap_state->ldap_struct,
2452 entry,
2453 get_attr_key2string(groupmap_attr_list,
2454 LDAP_ATTR_GROUP_TYPE),
2455 ctx);
2456 if (!temp) {
2457 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2458 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2459 TALLOC_FREE(ctx);
2460 return false;
2461 }
2462 map->sid_name_use = (enum lsa_SidType)atol(temp);
2463
2464 if ((map->sid_name_use < SID_NAME_USER) ||
2465 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2466 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2467 TALLOC_FREE(ctx);
2468 return false;
2469 }
2470
2471 TALLOC_FREE(temp);
2472 temp = smbldap_talloc_single_attribute(
2473 ldap_state->smbldap_state->ldap_struct,
2474 entry,
2475 get_attr_key2string(groupmap_attr_list,
2476 LDAP_ATTR_DISPLAY_NAME),
2477 ctx);
2478 if (!temp) {
2479 temp = smbldap_talloc_single_attribute(
2480 ldap_state->smbldap_state->ldap_struct,
2481 entry,
2482 get_attr_key2string(groupmap_attr_list,
2483 LDAP_ATTR_CN),
2484 ctx);
2485 if (!temp) {
2486 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2487 for gidNumber(%lu)\n",(unsigned long)map->gid));
2488 TALLOC_FREE(ctx);
2489 return false;
2490 }
2491 }
2492 fstrcpy(map->nt_name, temp);
2493
2494 TALLOC_FREE(temp);
2495 temp = smbldap_talloc_single_attribute(
2496 ldap_state->smbldap_state->ldap_struct,
2497 entry,
2498 get_attr_key2string(groupmap_attr_list,
2499 LDAP_ATTR_DESC),
2500 ctx);
2501 if (!temp) {
2502 temp = talloc_strdup(ctx, "");
2503 if (!temp) {
2504 TALLOC_FREE(ctx);
2505 return false;
2506 }
2507 }
2508 fstrcpy(map->comment, temp);
2509
2510 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2511 store_gid_sid_cache(&map->sid, map->gid);
2512 }
2513
2514 TALLOC_FREE(ctx);
2515 return true;
2516 }
2517
2518 /**********************************************************************
2519 *********************************************************************/
2520
2521 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2522 const char *filter,
2523 GROUP_MAP *map)
2524 {
2525 struct ldapsam_privates *ldap_state =
2526 (struct ldapsam_privates *)methods->private_data;
2527 LDAPMessage *result = NULL;
2528 LDAPMessage *entry = NULL;
2529 int count;
2530
2531 if (ldapsam_search_one_group(ldap_state, filter, &result)
2532 != LDAP_SUCCESS) {
2533 return NT_STATUS_NO_SUCH_GROUP;
2534 }
2535
2536 count = ldap_count_entries(priv2ld(ldap_state), result);
2537
2538 if (count < 1) {
2539 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2540 "%s\n", filter));
2541 ldap_msgfree(result);
2542 return NT_STATUS_NO_SUCH_GROUP;
2543 }
2544
2545 if (count > 1) {
2546 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2547 "count=%d\n", filter, count));
2548 ldap_msgfree(result);
2549 return NT_STATUS_NO_SUCH_GROUP;
2550 }
2551
2552 entry = ldap_first_entry(priv2ld(ldap_state), result);
2553
2554 if (!entry) {
2555 ldap_msgfree(result);
2556 return NT_STATUS_UNSUCCESSFUL;
2557 }
2558
2559 if (!init_group_from_ldap(ldap_state, map, entry)) {
2560 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2561 "group filter %s\n", filter));
2562 ldap_msgfree(result);
2563 return NT_STATUS_NO_SUCH_GROUP;
2564 }
2565
2566 ldap_msgfree(result);
2567 return NT_STATUS_OK;
2568 }
2569
2570 /**********************************************************************
2571 *********************************************************************/
2572
2573 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2574 DOM_SID sid)
2575 {
2576 char *filter = NULL;
2577 NTSTATUS status;
2578
2579 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2580 LDAP_OBJ_GROUPMAP,
2581 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2582 sid_string_static(&sid)) < 0) {
2583 return NT_STATUS_NO_MEMORY;
2584 }
2585
2586 status = ldapsam_getgroup(methods, filter, map);
2587 SAFE_FREE(filter);
2588 return status;
2589 }
2590
2591 /**********************************************************************
2592 *********************************************************************/
2593
2594 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2595 gid_t gid)
2596 {
2597 char *filter = NULL;
2598 NTSTATUS status;
2599
2600 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2601 LDAP_OBJ_GROUPMAP,
2602 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2603 (unsigned long)gid) < 0) {
2604 return NT_STATUS_NO_MEMORY;
2605 }
2606
2607 status = ldapsam_getgroup(methods, filter, map);
2608 SAFE_FREE(filter);
2609 return status;
2610 }
2611
2612 /**********************************************************************
2613 *********************************************************************/
2614
2615 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2616 const char *name)
2617 {
2618 char *filter = NULL;
2619 char *escape_name = escape_ldap_string_alloc(name);
2620 NTSTATUS status;
2621
2622 if (!escape_name) {
2623 return NT_STATUS_NO_MEMORY;
2624 }
2625
2626 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2627 LDAP_OBJ_GROUPMAP,
2628 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2629 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2630 escape_name) < 0) {
2631 SAFE_FREE(escape_name);
2632 return NT_STATUS_NO_MEMORY;
2633 }
2634
2635 SAFE_FREE(escape_name);
2636 status = ldapsam_getgroup(methods, filter, map);
2637 SAFE_FREE(filter);
2638 return status;
2639 }
2640
2641 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2642 LDAPMessage *entry,
2643 const DOM_SID *domain_sid,
2644 uint32 *rid)
2645 {
2646 fstring str;
2647 DOM_SID sid;
2648
2649 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2650 str, sizeof(str)-1)) {
2651 DEBUG(10, ("Could not find sambaSID attribute\n"));
2652 return False;
2653 }
2654
2655 if (!string_to_sid(&sid, str)) {
2656 DEBUG(10, ("Could not convert string %s to sid\n", str));
2657 return False;
2658 }
2659
2660 if (sid_compare_domain(&sid, domain_sid) != 0) {
2661 DEBUG(10, ("SID %s is not in expected domain %s\n",
2662 str, sid_string_static(domain_sid)));
2663 return False;
2664 }
2665
2666 if (!sid_peek_rid(&sid, rid)) {
2667 DEBUG(10, ("Could not peek into RID\n"));
2668 return False;
2669 }
2670
2671 return True;
2672 }
2673
2674 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2675 TALLOC_CTX *mem_ctx,
2676 const DOM_SID *group,
2677 uint32 **pp_member_rids,
2678 size_t *p_num_members)
2679 {
2680 struct ldapsam_privates *ldap_state =
2681 (struct ldapsam_privates *)methods->private_data;
2682 struct smbldap_state *conn = ldap_state->smbldap_state;
2683 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2684 const char *sid_attrs[] = { "sambaSID", NULL };
2685 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2686 LDAPMessage *result = NULL;
2687 LDAPMessage *entry;
2688 char *filter;
2689 char **values = NULL;
2690 char **memberuid;
2691 char *gidstr;
2692 int rc, count;
2693
2694 *pp_member_rids = NULL;
2695 *p_num_members = 0;
2696
2697 filter = talloc_asprintf(mem_ctx,
2698 "(&(objectClass=%s)"
2699 "(objectClass=%s)"
2700 "(sambaSID=%s))",
2701 LDAP_OBJ_POSIXGROUP,
2702 LDAP_OBJ_GROUPMAP,
2703 sid_string_static(group));
2704 if (filter == NULL) {
2705 ret = NT_STATUS_NO_MEMORY;
2706 goto done;
2707 }
2708
2709 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2710 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2711 &result);
2712
2713 if (rc != LDAP_SUCCESS)
2714 goto done;
2715
2716 talloc_autofree_ldapmsg(mem_ctx, result);
2717
2718 count = ldap_count_entries(conn->ldap_struct, result);
2719
2720 if (count > 1) {
2721 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2722 sid_string_static(group)));
2723 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2724 goto done;
2725 }
2726
2727 if (count == 0) {
2728 ret = NT_STATUS_NO_SUCH_GROUP;
2729 goto done;
2730 }
2731
2732 entry = ldap_first_entry(conn->ldap_struct, result);
2733 if (entry == NULL)
2734 goto done;
2735
2736 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2737 if (!gidstr) {
2738 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2739 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2740 goto done;
2741 }
2742
2743 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2744
2745 if (values) {
2746
2747 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2748 if (filter == NULL) {
2749 ret = NT_STATUS_NO_MEMORY;
2750 goto done;
2751 }
2752
2753 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2754 char *escape_memberuid;
2755
2756 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2757 if (escape_memberuid == NULL) {
2758 ret = NT_STATUS_NO_MEMORY;
2759 goto done;
2760 }
2761
2762 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2763 if (filter == NULL) {
2764 SAFE_FREE(escape_memberuid);
2765 ret = NT_STATUS_NO_MEMORY;
2766 goto done;
2767 }
2768
2769 SAFE_FREE(escape_memberuid);
2770 }
2771
2772 filter = talloc_asprintf_append_buffer(filter, "))");
2773 if (filter == NULL) {
2774 ret = NT_STATUS_NO_MEMORY;
2775 goto done;
2776 }
2777
2778 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2779 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2780 &result);
2781
2782 if (rc != LDAP_SUCCESS)
2783 goto done;
2784
2785 count = ldap_count_entries(conn->ldap_struct, result);
2786 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2787
2788 talloc_autofree_ldapmsg(mem_ctx, result);
2789
2790 for (entry = ldap_first_entry(conn->ldap_struct, result);
2791 entry != NULL;
2792 entry = ldap_next_entry(conn->ldap_struct, entry))
2793 {
2794 char *sidstr;
2795 DOM_SID sid;
2796 uint32 rid;
2797
2798 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2799 entry, "sambaSID",
2800 mem_ctx);
2801 if (!sidstr) {
2802 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2803 "the sambaSID attribute\n"));
2804 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2805 goto done;
2806 }
2807
2808 if (!string_to_sid(&sid, sidstr))
2809 goto done;
2810
2811 if (!sid_check_is_in_our_domain(&sid)) {
2812 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2813 "in our domain\n"));
2814 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2815 goto done;
2816 }
2817
2818 sid_peek_rid(&sid, &rid);
2819
2820 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2821 p_num_members)) {
2822 ret = NT_STATUS_NO_MEMORY;
2823 goto done;
2824 }
2825 }
2826 }
2827
2828 filter = talloc_asprintf(mem_ctx,
2829 "(&(objectClass=%s)"
2830 "(gidNumber=%s))",
2831 LDAP_OBJ_SAMBASAMACCOUNT,
2832 gidstr);
2833
2834 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2835 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2836 &result);
2837
2838 if (rc != LDAP_SUCCESS)
2839 goto done;
2840
2841 talloc_autofree_ldapmsg(mem_ctx, result);
2842
2843 for (entry = ldap_first_entry(conn->ldap_struct, result);
2844 entry != NULL;
2845 entry = ldap_next_entry(conn->ldap_struct, entry))
2846 {
2847 uint32 rid;
2848
2849 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2850 entry,
2851 get_global_sam_sid(),
2852 &rid)) {
2853 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2854 "the sambaSID attribute\n"));
2855 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2856 goto done;
2857 }
2858
2859 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2860 p_num_members)) {
2861 ret = NT_STATUS_NO_MEMORY;
2862 goto done;
2863 }
2864 }
2865
2866 ret = NT_STATUS_OK;
2867
2868 done:
2869
2870 if (values)
2871 ldap_value_free(values);
2872
2873 return ret;
2874 }
2875
2876 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2877 TALLOC_CTX *mem_ctx,
2878 struct samu *user,
2879 DOM_SID **pp_sids,
2880 gid_t **pp_gids,
2881 size_t *p_num_groups)
2882 {
2883 struct ldapsam_privates *ldap_state =
2884 (struct ldapsam_privates *)methods->private_data;
2885 struct smbldap_state *conn = ldap_state->smbldap_state;
2886 char *filter;
2887 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2888 char *escape_name;
2889 int rc, count;
2890 LDAPMessage *result = NULL;
2891 LDAPMessage *entry;
2892 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2893 size_t num_sids, num_gids;
2894 char *gidstr;
2895 gid_t primary_gid = -1;
2896
2897 *pp_sids = NULL;
2898 num_sids = 0;
2899
2900 if (pdb_get_username(user) == NULL) {
2901 return NT_STATUS_INVALID_PARAMETER;
2902 }
2903
2904 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2905 if (escape_name == NULL)
2906 return NT_STATUS_NO_MEMORY;
2907
2908 /* retrieve the users primary gid */
2909 filter = talloc_asprintf(mem_ctx,
2910 "(&(objectClass=%s)(uid=%s))",
2911 LDAP_OBJ_SAMBASAMACCOUNT,
2912 escape_name);
2913 if (filter == NULL) {
2914 ret = NT_STATUS_NO_MEMORY;
2915 goto done;
2916 }
2917
2918 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2919 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2920
2921 if (rc != LDAP_SUCCESS)
2922 goto done;
2923
2924 talloc_autofree_ldapmsg(mem_ctx, result);
2925
2926 count = ldap_count_entries(priv2ld(ldap_state), result);
2927
2928 switch (count) {
2929 case 0:
2930 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2931 ret = NT_STATUS_NO_SUCH_USER;
2932 goto done;
2933 case 1:
2934 entry = ldap_first_entry(priv2ld(ldap_state), result);
2935
2936 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2937 if (!gidstr) {
2938 DEBUG (1, ("Unable to find the member's gid!\n"));
2939 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2940 goto done;
2941 }
2942 primary_gid = strtoul(gidstr, NULL, 10);
2943 break;
2944 default:
2945 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2946 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2947 goto done;
2948 }
2949
2950 filter = talloc_asprintf(mem_ctx,
2951 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2952 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2953 if (filter == NULL) {
2954 ret = NT_STATUS_NO_MEMORY;
2955 goto done;
2956 }
2957
2958 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2959 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2960
2961 if (rc != LDAP_SUCCESS)
2962 goto done;
2963
2964 talloc_autofree_ldapmsg(mem_ctx, result);
2965
2966 num_gids = 0;
2967 *pp_gids = NULL;
2968
2969 num_sids = 0;
2970 *pp_sids = NULL;
2971
2972 /* We need to add the primary group as the first gid/sid */
2973
2974 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2975 ret = NT_STATUS_NO_MEMORY;
2976 goto done;
2977 }
2978
2979 /* This sid will be replaced later */
2980
2981 if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) {
2982 ret = NT_STATUS_NO_MEMORY;
2983 goto done;
2984 }
2985
2986 for (entry = ldap_first_entry(conn->ldap_struct, result);
2987 entry != NULL;
2988 entry = ldap_next_entry(conn->ldap_struct, entry))
2989 {
2990 fstring str;
2991 DOM_SID sid;
2992 gid_t gid;
2993 char *end;
2994
2995 if (!smbldap_get_single_attribute(conn->ldap_struct,
2996 entry, "sambaSID",
2997 str, sizeof(str)-1))
2998 continue;
2999
3000 if (!string_to_sid(&sid, str))
3001 goto done;
3002
3003 if (!smbldap_get_single_attribute(conn->ldap_struct,
3004 entry, "gidNumber",
3005 str, sizeof(str)-1))
3006 continue;
3007
3008 gid = strtoul(str, &end, 10);
3009
3010 if (PTR_DIFF(end, str) != strlen(str))
3011 goto done;
3012
3013 if (gid == primary_gid) {
3014 sid_copy(&(*pp_sids)[0], &sid);
3015 } else {
3016 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3017 &num_gids)) {
3018 ret = NT_STATUS_NO_MEMORY;
3019 goto done;
3020 }
3021 if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3022 &num_sids)) {
3023 ret = NT_STATUS_NO_MEMORY;
3024 goto done;
3025 }
3026 }
3027 }
3028
3029 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3030 DEBUG(3, ("primary group of [%s] not found\n",
3031 pdb_get_username(user)));
3032 goto done;
3033 }
3034
3035 *p_num_groups = num_sids;
3036
3037 ret = NT_STATUS_OK;
3038
3039 done:
3040
3041 SAFE_FREE(escape_name);
3042 return ret;
3043 }
3044
3045 /**********************************************************************
3046 * Augment a posixGroup object with a sambaGroupMapping domgroup
3047 *********************************************************************/
3048
3049 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3050 struct ldapsam_privates *ldap_state,
3051 GROUP_MAP *map)
3052 {
3053 const char *filter, *dn;
3054 LDAPMessage *msg, *entry;
3055 LDAPMod **mods;
3056 int rc;
3057
3058 filter = talloc_asprintf(mem_ctx,
3059 "(&(objectClass=posixGroup)(gidNumber=%u))",
3060 map->gid);
3061 if (filter == NULL) {
3062 return NT_STATUS_NO_MEMORY;
3063 }
3064
3065 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3066 get_attr_list(mem_ctx, groupmap_attr_list),
3067 &msg);
3068 talloc_autofree_ldapmsg(mem_ctx, msg);
3069
3070 if ((rc != LDAP_SUCCESS) ||
3071 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3072 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3073 return NT_STATUS_NO_SUCH_GROUP;
3074 }
3075
3076 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3077 if (dn == NULL) {
3078 return NT_STATUS_NO_MEMORY;
3079 }
3080
3081 mods = NULL;
3082 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3083 "sambaGroupMapping");
3084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3085 sid_string_static(&map->sid));
3086 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3087 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3088 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3089 map->nt_name);
3090 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3091 map->comment);
3092 talloc_autofree_ldapmod(mem_ctx, mods);
3093
3094 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3095 if (rc != LDAP_SUCCESS) {
3096 return NT_STATUS_ACCESS_DENIED;
3097 }
3098
3099 return NT_STATUS_OK;
3100 }
3101
3102 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3103 GROUP_MAP *map)
3104 {
3105 struct ldapsam_privates *ldap_state =
3106 (struct ldapsam_privates *)methods->private_data;
3107 LDAPMessage *msg = NULL;
3108 LDAPMod **mods = NULL;
3109 const char *attrs[] = { NULL };
3110 char *filter;
3111
3112 char *dn;
3113 TALLOC_CTX *mem_ctx;
3114 NTSTATUS result;
3115
3116 DOM_SID sid;
3117
3118 int rc;
3119
3120 mem_ctx = talloc_new(NULL);
3121 if (mem_ctx == NULL) {
3122 DEBUG(0, ("talloc_new failed\n"));
3123 return NT_STATUS_NO_MEMORY;
3124 }
3125
3126 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3127 sid_string_static(&map->sid));
3128 if (filter == NULL) {
3129 result = NT_STATUS_NO_MEMORY;
3130 goto done;
3131 }
3132
3133 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3134 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3135 talloc_autofree_ldapmsg(mem_ctx, msg);
3136
3137 if ((rc == LDAP_SUCCESS) &&
3138 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3139
3140 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3141 "group mapping entry\n",
3142 sid_string_static(&map->sid)));
3143 result = NT_STATUS_GROUP_EXISTS;
3144 goto done;
3145 }
3146
3147 switch (map->sid_name_use) {
3148
3149 case SID_NAME_DOM_GRP:
3150 /* To map a domain group we need to have a posix group
3151 to attach to. */
3152 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3153 goto done;
3154 break;
3155
3156 case SID_NAME_ALIAS:
3157 if (!sid_check_is_in_our_domain(&map->sid)
3158 && !sid_check_is_in_builtin(&map->sid) )
3159 {
3160 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3161 sid_string_static(&map->sid)));
3162 result = NT_STATUS_INVALID_PARAMETER;
3163 goto done;
3164 }
3165 break;
3166
3167 default:
3168 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3169 sid_type_lookup(map->sid_name_use)));
3170 result = NT_STATUS_INVALID_PARAMETER;
3171 goto done;
3172 }
3173
3174 /* Domain groups have been mapped in a separate routine, we have to
3175 * create an alias now */
3176
3177 if (map->gid == -1) {
3178 DEBUG(10, ("Refusing to map gid==-1\n"));
3179 result = NT_STATUS_INVALID_PARAMETER;
3180 goto done;
3181 }
3182
3183 if (pdb_gid_to_sid(map->gid, &sid)) {
3184 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3185 "add\n", map->gid, sid_string_static(&sid)));
3186 result = NT_STATUS_GROUP_EXISTS;
3187 goto done;
3188 }
3189
3190 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3191 * the best we can get out of LDAP. */
3192
3193 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3194 sid_string_static(&map->sid),
3195 lp_ldap_group_suffix());
3196 if (dn == NULL) {
3197 result = NT_STATUS_NO_MEMORY;
3198 goto done;
3199 }
3200
3201 mods = NULL;
3202
3203 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3204 "sambaSidEntry");
3205 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3206 "sambaGroupMapping");
3207
3208 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3209 sid_string_static(&map->sid));
3210 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3211 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3212 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3213 map->nt_name);
3214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3215 map->comment);
3216 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3217 talloc_asprintf(mem_ctx, "%u", map->gid));
3218 talloc_autofree_ldapmod(mem_ctx, mods);
3219
3220 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3221
3222 result = (rc == LDAP_SUCCESS) ?
3223 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3224
3225 done:
3226 TALLOC_FREE(mem_ctx);
3227 return result;
3228 }
3229
3230 /**********************************************************************
3231 * Update a group mapping entry. We're quite strict about what can be changed:
3232 * Only the description and displayname may be changed. It simply does not
3233 * make any sense to change the SID, gid or the type in a mapping.
3234 *********************************************************************/
3235
3236 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3237 GROUP_MAP *map)
3238 {
3239 struct ldapsam_privates *ldap_state =
3240 (struct ldapsam_privates *)methods->private_data;
3241 int rc;
3242 const char *filter, *dn;
3243 LDAPMessage *msg = NULL;
3244 LDAPMessage *entry = NULL;
3245 LDAPMod **mods = NULL;
3246 TALLOC_CTX *mem_ctx;
3247 NTSTATUS result;
3248
3249 mem_ctx = talloc_new(NULL);
3250 if (mem_ctx == NULL) {
3251 DEBUG(0, ("talloc_new failed\n"));
3252 return NT_STATUS_NO_MEMORY;
3253 }
3254
3255 /* Make 100% sure that sid, gid and type are not changed by looking up
3256 * exactly the values we're given in LDAP. */
3257
3258 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3259 "(sambaSid=%s)(gidNumber=%u)"
3260 "(sambaGroupType=%d))",
3261 LDAP_OBJ_GROUPMAP,
3262 sid_string_static(&map->sid), map->gid,
3263 map->sid_name_use);
3264 if (filter == NULL) {
3265 result = NT_STATUS_NO_MEMORY;
3266 goto done;
3267 }
3268
3269 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3270 get_attr_list(mem_ctx, groupmap_attr_list),
3271 &msg);
3272 talloc_autofree_ldapmsg(mem_ctx, msg);
3273
3274 if ((rc != LDAP_SUCCESS) ||
3275 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3276 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3277 result = NT_STATUS_NO_SUCH_GROUP;
3278 goto done;
3279 }
3280
3281 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3282
3283 if (dn == NULL) {
3284 result = NT_STATUS_NO_MEMORY;
3285 goto done;
3286 }
3287
3288 mods = NULL;
3289 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3290 map->nt_name);
3291 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3292 map->comment);
3293 talloc_autofree_ldapmod(mem_ctx, mods);
3294
3295 if (mods == NULL) {
3296 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3297 "nothing to do\n"));
3298 result = NT_STATUS_OK;
3299 goto done;
3300 }
3301
3302 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3303
3304 if (rc != LDAP_SUCCESS) {
3305 result = NT_STATUS_ACCESS_DENIED;
3306 goto done;
3307 }
3308
3309 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3310 "group %lu in LDAP\n", (unsigned long)map->gid));
3311
3312 result = NT_STATUS_OK;
3313
3314 done:
3315 TALLOC_FREE(mem_ctx);
3316 return result;
3317 }
3318
3319 /**********************************************************************
3320 *********************************************************************/
3321
3322 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3323 DOM_SID sid)
3324 {
3325 struct ldapsam_privates *priv =
3326 (struct ldapsam_privates *)methods->private_data;
3327 LDAPMessage *msg, *entry;
3328 int rc;
3329 NTSTATUS result;
3330 TALLOC_CTX *mem_ctx;
3331 char *filter;
3332
3333 mem_ctx = talloc_new(NULL);
3334 if (mem_ctx == NULL) {
3335 DEBUG(0, ("talloc_new failed\n"));
3336 return NT_STATUS_NO_MEMORY;
3337 }
3338
3339 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3340 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3341 sid_string_static(&sid));
3342 if (filter == NULL) {
3343 result = NT_STATUS_NO_MEMORY;
3344 goto done;
3345 }
3346 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3347 get_attr_list(mem_ctx, groupmap_attr_list),
3348 &msg);
3349 talloc_autofree_ldapmsg(mem_ctx, msg);
3350
3351 if ((rc != LDAP_SUCCESS) ||
3352 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3353 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3354 result = NT_STATUS_NO_SUCH_GROUP;
3355 goto done;
3356 }
3357
3358 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3359 get_attr_list(mem_ctx,
3360 groupmap_attr_list_to_delete));
3361
3362 if ((rc == LDAP_NAMING_VIOLATION) ||
3363 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3364 const char *attrs[] = { "sambaGroupType", "description",
3365 "displayName", "sambaSIDList",
3366 NULL };
3367
3368 /* Second try. Don't delete the sambaSID attribute, this is
3369 for "old" entries that are tacked on a winbind
3370 sambaIdmapEntry. */
3371
3372 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3373 LDAP_OBJ_GROUPMAP, attrs);
3374 }
3375
3376 if ((rc == LDAP_NAMING_VIOLATION) ||
3377 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3378 const char *attrs[] = { "sambaGroupType", "description",
3379 "displayName", "sambaSIDList",
3380 "gidNumber", NULL };
3381
3382 /* Third try. This is a post-3.0.21 alias (containing only
3383 * sambaSidEntry and sambaGroupMapping classes), we also have
3384 * to delete the gidNumber attribute, only the sambaSidEntry
3385 * remains */
3386
3387 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3388 LDAP_OBJ_GROUPMAP, attrs);
3389 }
3390
3391 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3392
3393 done:
3394 TALLOC_FREE(mem_ctx);
3395 return result;
3396 }
3397
3398 /**********************************************************************
3399 *********************************************************************/
3400
3401 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3402 bool update)
3403 {
3404 struct ldapsam_privates *ldap_state =
3405 (struct ldapsam_privates *)my_methods->private_data;
3406 fstring filter;
3407 int rc;
3408 const char **attr_list;
3409
3410 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3411 attr_list = get_attr_list( NULL, groupmap_attr_list );
3412 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3413 LDAP_SCOPE_SUBTREE, filter,
3414 attr_list, 0, &ldap_state->result);
3415 TALLOC_FREE(attr_list);
3416
3417 if (rc != LDAP_SUCCESS) {
3418 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3419 ldap_err2string(rc)));
3420 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3421 lp_ldap_group_suffix(), filter));
3422 ldap_msgfree(ldap_state->result);
3423 ldap_state->result = NULL;
3424 return NT_STATUS_UNSUCCESSFUL;
3425 }
3426
3427 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3428 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3429 ldap_state->result)));
3430
3431 ldap_state->entry =
3432 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3433 ldap_state->result);
3434 ldap_state->index = 0;
3435
3436 return NT_STATUS_OK;
3437 }
3438
3439 /**********************************************************************
3440 *********************************************************************/
3441
3442 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3443 {
3444 ldapsam_endsampwent(my_methods);
3445 }
3446
3447 /**********************************************************************
3448 *********************************************************************/
3449
3450 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3451 GROUP_MAP *map)
3452 {
3453 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3454 struct ldapsam_privates *ldap_state =
3455 (struct ldapsam_privates *)my_methods->private_data;
3456 bool bret = False;
3457
3458 while (!bret) {
3459 if (!ldap_state->entry)
3460 return ret;
3461
3462 ldap_state->index++;
3463 bret = init_group_from_ldap(ldap_state, map,
3464 ldap_state->entry);
3465
3466 ldap_state->entry =
3467 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3468 ldap_state->entry);
3469 }
3470
3471 return NT_STATUS_OK;
3472 }
3473
3474 /**********************************************************************
3475 *********************************************************************/
3476
3477 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3478 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3479 GROUP_MAP **pp_rmap,
3480 size_t *p_num_entries,
3481 bool unix_only)
3482 {
3483 GROUP_MAP map;
3484 size_t entries = 0;
3485
3486 *p_num_entries = 0;
3487 *pp_rmap = NULL;
3488
3489 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3490 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3491 "passdb\n"));
3492 return NT_STATUS_ACCESS_DENIED;
3493 }
3494
3495 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3496 if (sid_name_use != SID_NAME_UNKNOWN &&
3497 sid_name_use != map.sid_name_use) {
3498 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3499 "not of the requested type\n", map.nt_name));
3500 continue;
3501 }
3502 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3503 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3504 "non mapped\n", map.nt_name));
3505 continue;
3506 }
3507
3508 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3509 if (!(*pp_rmap)) {
3510 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3511 "enlarge group map!\n"));
3512 return NT_STATUS_UNSUCCESSFUL;
3513 }
3514
3515 (*pp_rmap)[entries] = map;
3516
3517 entries += 1;
3518
3519 }
3520 ldapsam_endsamgrent(methods);
3521
3522 *p_num_entries = entries;
3523
3524 return NT_STATUS_OK;
3525 }
3526
3527 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3528 const DOM_SID *alias,
3529 const DOM_SID *member,
3530 int modop)
3531 {
3532 struct ldapsam_privates *ldap_state =
3533 (struct ldapsam_privates *)methods->private_data;
3534 char *dn = NULL;
3535 LDAPMessage *result = NULL;
3536 LDAPMessage *entry = NULL;
3537 int count;
3538 LDAPMod **mods = NULL;
3539 int rc;
3540 enum lsa_SidType type = SID_NAME_USE_NONE;
3541
3542 char *filter = NULL;
3543
3544 if (sid_check_is_in_builtin(alias)) {
3545 type = SID_NAME_ALIAS;
3546 }
3547
3548 if (sid_check_is_in_our_domain(alias)) {
3549 type = SID_NAME_ALIAS;
3550 }
3551
3552 if (type == SID_NAME_USE_NONE) {
3553 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3554 sid_string_static(alias)));
3555 return NT_STATUS_NO_SUCH_ALIAS;
3556 }
3557
3558 if (asprintf(&filter,
3559 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3560 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3561 type) < 0) {
3562 return NT_STATUS_NO_MEMORY;
3563 }
3564
3565 if (ldapsam_search_one_group(ldap_state, filter,
3566 &result) != LDAP_SUCCESS) {
3567 SAFE_FREE(filter);
3568 return NT_STATUS_NO_SUCH_ALIAS;
3569 }
3570
3571 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3572 result);
3573
3574 if (count < 1) {
3575 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3576 ldap_msgfree(result);
3577 SAFE_FREE(filter);
3578 return NT_STATUS_NO_SUCH_ALIAS;
3579 }
3580
3581 if (count > 1) {
3582 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3583 "filter %s: count=%d\n", filter, count));
3584 ldap_msgfree(result);
3585 SAFE_FREE(filter);
3586 return NT_STATUS_NO_SUCH_ALIAS;
3587 }
3588
3589 SAFE_FREE(filter);
3590
3591 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3592 result);
3593
3594 if (!entry) {
3595 ldap_msgfree(result);
3596 return NT_STATUS_UNSUCCESSFUL;
3597 }
3598
3599 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3600 if (!dn) {
3601 ldap_msgfree(result);
3602 return NT_STATUS_UNSUCCESSFUL;
3603 }
3604
3605 smbldap_set_mod(&mods, modop,
3606 get_attr_key2string(groupmap_attr_list,
3607 LDAP_ATTR_SID_LIST),
3608 sid_string_static(member));
3609
3610 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3611
3612 ldap_mods_free(mods, True);
3613 ldap_msgfree(result);
3614 SAFE_FREE(dn);
3615
3616 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3617 return NT_STATUS_MEMBER_IN_ALIAS;
3618 }
3619
3620 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3621 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3622 }
3623
3624 if (rc != LDAP_SUCCESS) {
3625 return NT_STATUS_UNSUCCESSFUL;
3626 }
3627
3628 return NT_STATUS_OK;
3629 }
3630
3631 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3632 const DOM_SID *alias,
3633 const DOM_SID *member)
3634 {
3635 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3636 }
3637
3638 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3639 const DOM_SID *alias,
3640 const DOM_SID *member)
3641 {
3642 return ldapsam_modify_aliasmem(methods, alias, member,
3643 LDAP_MOD_DELETE);
3644 }
3645
3646 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3647 const DOM_SID *alias,
3648 DOM_SID **pp_members,
3649 size_t *p_num_members)
3650 {
3651 struct ldapsam_privates *ldap_state =
3652 (struct ldapsam_privates *)methods->private_data;
3653 LDAPMessage *result = NULL;
3654 LDAPMessage *entry = NULL;
3655 int count;
3656 char **values = NULL;
3657 int i;
3658 char *filter = NULL;
3659 size_t num_members = 0;
3660 enum lsa_SidType type = SID_NAME_USE_NONE;
3661
3662 *pp_members = NULL;
3663 *p_num_members = 0;
3664
3665 if (sid_check_is_in_builtin(alias)) {
3666 type = SID_NAME_ALIAS;
3667 }
3668
3669 if (sid_check_is_in_our_domain(alias)) {
3670 type = SID_NAME_ALIAS;
3671 }
3672
3673 if (type == SID_NAME_USE_NONE) {
3674 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3675 sid_string_static(alias)));
3676 return NT_STATUS_NO_SUCH_ALIAS;
3677 }
3678
3679 if (asprintf(&filter,
3680 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3681 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3682 type) < 0) {
3683 return NT_STATUS_NO_MEMORY;
3684 }
3685
3686 if (ldapsam_search_one_group(ldap_state, filter,
3687 &result) != LDAP_SUCCESS) {
3688 SAFE_FREE(filter);
3689 return NT_STATUS_NO_SUCH_ALIAS;
3690 }
3691
3692 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3693 result);
3694
3695 if (count < 1) {
3696 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3697 ldap_msgfree(result);
3698 SAFE_FREE(filter);
3699 return NT_STATUS_NO_SUCH_ALIAS;
3700 }
3701
3702 if (count > 1) {
3703 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3704 "filter %s: count=%d\n", filter, count));
3705 ldap_msgfree(result);
3706 SAFE_FREE(filter);
3707 return NT_STATUS_NO_SUCH_ALIAS;
3708 }
3709
3710 SAFE_FREE(filter);
3711
3712 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3713 result);
3714
3715 if (!entry) {
3716 ldap_msgfree(result);
3717 return NT_STATUS_UNSUCCESSFUL;
3718 }
3719
3720 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3721 entry,
3722 get_attr_key2string(groupmap_attr_list,
3723 LDAP_ATTR_SID_LIST));
3724
3725 if (values == NULL) {
3726 ldap_msgfree(result);
3727 return NT_STATUS_OK;
3728 }
3729
3730 count = ldap_count_values(values);
3731
3732 for (i=0; i<count; i++) {
3733 DOM_SID member;
3734
3735 if (!string_to_sid(&member, values[i]))
3736 continue;
3737
3738 if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) {
3739 ldap_value_free(values);
3740 ldap_msgfree(result);
3741 return NT_STATUS_NO_MEMORY;
3742 }
3743 }
3744
3745 *p_num_members = num_members;
3746 ldap_value_free(values);
3747 ldap_msgfree(result);
3748
3749 return NT_STATUS_OK;
3750 }
3751
3752 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3753 TALLOC_CTX *mem_ctx,
3754 const DOM_SID *domain_sid,
3755 const DOM_SID *members,
3756 size_t num_members,
3757 uint32 **pp_alias_rids,
3758 size_t *p_num_alias_rids)
3759 {
3760 struct ldapsam_privates *ldap_state =
3761 (struct ldapsam_privates *)methods->private_data;
3762 LDAP *ldap_struct;
3763
3764 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3765
3766 LDAPMessage *result = NULL;
3767 LDAPMessage *entry = NULL;
3768 int i;
3769 int rc;
3770 char *filter;
3771 enum lsa_SidType type = SID_NAME_USE_NONE;
3772
3773 if (sid_check_is_builtin(domain_sid)) {
3774 type = SID_NAME_ALIAS;
3775 }
3776
3777 if (sid_check_is_domain(domain_sid)) {
3778 type = SID_NAME_ALIAS;
3779 }
3780
3781 if (type == SID_NAME_USE_NONE) {
3782 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3783 sid_string_static(domain_sid)));
3784 return NT_STATUS_UNSUCCESSFUL;
3785 }
3786
3787 filter = talloc_asprintf(mem_ctx,
3788 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3789 LDAP_OBJ_GROUPMAP, type);
3790
3791 for (i=0; i<num_members; i++)
3792 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3793 filter,
3794 sid_string_static(&members[i]));
3795
3796 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3797
3798 if (filter == NULL) {
3799 return NT_STATUS_NO_MEMORY;
3800 }
3801
3802 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3803 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3804
3805 if (rc != LDAP_SUCCESS)
3806 return NT_STATUS_UNSUCCESSFUL;
3807
3808 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3809
3810 for (entry = ldap_first_entry(ldap_struct, result);
3811 entry != NULL;
3812 entry = ldap_next_entry(ldap_struct, entry))
3813 {
3814 fstring sid_str;
3815 DOM_SID sid;
3816 uint32 rid;
3817
3818 if (!smbldap_get_single_attribute(ldap_struct, entry,
3819 LDAP_ATTRIBUTE_SID,
3820 sid_str,
3821 sizeof(sid_str)-1))
3822 continue;
3823
3824 if (!string_to_sid(&sid, sid_str))
3825 continue;
3826
3827 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3828 continue;
3829
3830 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3831 p_num_alias_rids)) {
3832 ldap_msgfree(result);
3833 return NT_STATUS_NO_MEMORY;
3834 }
3835 }
3836
3837 ldap_msgfree(result);
3838 return NT_STATUS_OK;
3839 }
3840
3841 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3842 int policy_index,
3843 uint32 value)
3844 {
3845 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3846 int rc;
3847 LDAPMod **mods = NULL;
3848 fstring value_string;
3849 const char *policy_attr = NULL;
3850
3851 struct ldapsam_privates *ldap_state =
3852 (struct ldapsam_privates *)methods->private_data;
3853
3854 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3855
3856 if (!ldap_state->domain_dn) {
3857 return NT_STATUS_INVALID_PARAMETER;
3858 }
3859
3860 policy_attr = get_account_policy_attr(policy_index);
3861 if (policy_attr == NULL) {
3862 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3863 "policy\n"));
3864 return ntstatus;
3865 }
3866
3867 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3868
3869 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3870
3871 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3872 mods);
3873
3874 ldap_mods_free(mods, True);
3875
3876 if (rc != LDAP_SUCCESS) {
3877 return ntstatus;
3878 }
3879
3880 if (!cache_account_policy_set(policy_index, value)) {
3881 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3882 "update local tdb cache\n"));
3883 return ntstatus;
3884 }
3885
3886 return NT_STATUS_OK;
3887 }
3888
3889 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3890 int policy_index, uint32 value)
3891 {
3892 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3893 value);
3894 }
3895
3896 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3897 int policy_index,
3898 uint32 *value)
3899 {
3900 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3901 LDAPMessage *result = NULL;
3902 LDAPMessage *entry = NULL;
3903 int count;
3904 int rc;
3905 char **vals = NULL;
3906 const char *policy_attr = NULL;
3907
3908 struct ldapsam_privates *ldap_state =
3909 (struct ldapsam_privates *)methods->private_data;
3910
3911 const char *attrs[2];
3912
3913 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3914
3915 if (!ldap_state->domain_dn) {
3916 return NT_STATUS_INVALID_PARAMETER;
3917 }
3918
3919 policy_attr = get_account_policy_attr(policy_index);
3920 if (!policy_attr) {
3921 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3922 "policy index: %d\n", policy_index));
3923 return ntstatus;
3924 }
3925
3926 attrs[0] = policy_attr;
3927 attrs[1] = NULL;
3928
3929 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3930 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3931 &result);
3932
3933 if (rc != LDAP_SUCCESS) {
3934 return ntstatus;
3935 }
3936
3937 count = ldap_count_entries(priv2ld(ldap_state), result);
3938 if (count < 1) {
3939 goto out;
3940 }
3941
3942 entry = ldap_first_entry(priv2ld(ldap_state), result);
3943 if (entry == NULL) {
3944 goto out;
3945 }
3946
3947 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3948 if (vals == NULL) {
3949 goto out;
3950 }
3951
3952 *value = (uint32)atol(vals[0]);
3953
3954 ntstatus = NT_STATUS_OK;
3955
3956 out:
3957 if (vals)
3958 ldap_value_free(vals);
3959 ldap_msgfree(result);
3960
3961 return ntstatus;
3962 }
3963
3964 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3965
3966 - if user hasn't decided to use account policies inside LDAP just reuse the
3967 old tdb values
3968
3969 - if there is a valid cache entry, return that
3970 - if there is an LDAP entry, update cache and return
3971 - otherwise set to default, update cache and return
3972
3973 Guenther
3974 */
3975 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3976 int policy_index, uint32 *value)
3977 {
3978 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3979
3980 if (cache_account_policy_get(policy_index, value)) {
3981 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3982 "cache\n"));
3983 return NT_STATUS_OK;
3984 }
3985
3986 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3987 value);
3988 if (NT_STATUS_IS_OK(ntstatus)) {
3989 goto update_cache;
3990 }
3991
3992 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3993 "ldap\n"));
3994
3995 #if 0
3996 /* should we automagically migrate old tdb value here ? */
3997 if (account_policy_get(policy_index, value))
3998 goto update_ldap;
3999
4000 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4001 "default\n", policy_index));
4002 #endif
4003
4004 if (!account_policy_get_default(policy_index, value)) {
4005 return ntstatus;
4006 }
4007
4008 /* update_ldap: */
4009
4010 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
4011 if (!NT_STATUS_IS_OK(ntstatus)) {
4012 return ntstatus;
4013 }
4014
4015 update_cache:
4016
4017 if (!cache_account_policy_set(policy_index, *value)) {
4018 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4019 "tdb as a cache\n"));
4020 return NT_STATUS_UNSUCCESSFUL;
4021 }
4022
4023 return NT_STATUS_OK;
4024 }
4025
4026 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4027 const DOM_SID *domain_sid,
4028 int num_rids,
4029 uint32 *rids,
4030 const char **names,
4031 enum lsa_SidType *attrs)
4032 {
4033 struct ldapsam_privates *ldap_state =
4034 (struct ldapsam_privates *)methods->private_data;
4035 LDAPMessage *msg = NULL;
4036 LDAPMessage *entry;
4037 char *allsids = NULL;
4038 int i, rc, num_mapped;
4039 NTSTATUS result = NT_STATUS_NO_MEMORY;
4040 TALLOC_CTX *mem_ctx;
4041 LDAP *ld;
4042 bool is_builtin;
4043
4044 mem_ctx = talloc_new(NULL);
4045 if (mem_ctx == NULL) {
4046 DEBUG(0, ("talloc_new failed\n"));
4047 goto done;
4048 }
4049
4050 if (!sid_check_is_builtin(domain_sid) &&
4051 !sid_check_is_domain(domain_sid)) {
4052 result = NT_STATUS_INVALID_PARAMETER;
4053 goto done;
4054 }
4055
4056 for (i=0; i<num_rids; i++)
4057 attrs[i] = SID_NAME_UNKNOWN;
4058
4059 allsids = talloc_strdup(mem_ctx, "");
4060 if (allsids == NULL) {
4061 goto done;
4062 }
4063
4064 for (i=0; i<num_rids; i++) {
4065 DOM_SID sid;
4066 sid_compose(&sid, domain_sid, rids[i]);
4067 allsids = talloc_asprintf_append_buffer(allsids, "(sambaSid=%s)",
4068 sid_string_static(&sid));
4069 if (allsids == NULL) {
4070 goto done;
4071 }
4072 }
4073
4074 /* First look for users */
4075
4076 {
4077 char *filter;
4078 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4079
4080 filter = talloc_asprintf(
4081 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4082 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4083
4084 if (filter == NULL) {
4085 goto done;
4086 }
4087
4088 rc = smbldap_search(ldap_state->smbldap_state,
4089 lp_ldap_user_suffix(),
4090 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4091 &msg);
4092 talloc_autofree_ldapmsg(mem_ctx, msg);
4093 }
4094
4095 if (rc != LDAP_SUCCESS)
4096 goto done;
4097
4098 ld = ldap_state->smbldap_state->ldap_struct;
4099 num_mapped = 0;
4100
4101 for (entry = ldap_first_entry(ld, msg);
4102 entry != NULL;
4103 entry = ldap_next_entry(ld, entry)) {
4104 uint32 rid;
4105 int rid_index;
4106 const char *name;
4107
4108 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4109 &rid)) {
4110 DEBUG(2, ("Could not find sid from ldap entry\n"));
4111 continue;
4112 }
4113
4114 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4115 names);
4116 if (name == NULL) {
4117 DEBUG(2, ("Could not retrieve uid attribute\n"));
4118 continue;
4119 }
4120
4121 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4122 if (rid == rids[rid_index])
4123 break;
4124 }
4125
4126 if (rid_index == num_rids) {
4127 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4128 continue;
4129 }
4130
4131 attrs[rid_index] = SID_NAME_USER;
4132 names[rid_index] = name;
4133 num_mapped += 1;
4134 }
4135
4136 if (num_mapped == num_rids) {
4137 /* No need to look for groups anymore -- we're done */
4138 result = NT_STATUS_OK;
4139 goto done;
4140 }
4141
4142 /* Same game for groups */
4143
4144 {
4145 char *filter;
4146 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4147 "sambaGroupType", NULL };
4148
4149 filter = talloc_asprintf(
4150 mem_ctx, "(&(objectClass=%s)(|%s))",
4151 LDAP_OBJ_GROUPMAP, allsids);
4152 if (filter == NULL) {
4153 goto done;
4154 }
4155
4156 rc = smbldap_search(ldap_state->smbldap_state,
4157 lp_ldap_group_suffix(),
4158 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4159 &msg);
4160 talloc_autofree_ldapmsg(mem_ctx, msg);
4161 }
4162
4163 if (rc != LDAP_SUCCESS)
4164 goto done;
4165
4166 /* ldap_struct might have changed due to a reconnect */
4167
4168 ld = ldap_state->smbldap_state->ldap_struct;
4169
4170 /* For consistency checks, we already checked we're only domain or builtin */
4171
4172 is_builtin = sid_check_is_builtin(domain_sid);
4173
4174 for (entry = ldap_first_entry(ld, msg);
4175 entry != NULL;
4176 entry = ldap_next_entry(ld, entry))
4177 {
4178 uint32 rid;
4179 int rid_index;
4180 const char *attr;
4181 enum lsa_SidType type;
4182 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4183
4184 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4185 mem_ctx);
4186 if (attr == NULL) {
4187 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4188 dn));
4189 continue;
4190 }
4191
4192 type = (enum lsa_SidType)atol(attr);
4193
4194 /* Consistency checks */
4195 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4196 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4197 (type != SID_NAME_DOM_GRP)))) {
4198 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4199 }
4200
4201 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4202 &rid)) {
4203 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4204 continue;
4205 }
4206
4207 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4208
4209 if (attr == NULL) {
4210 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4211 dn));
4212 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4213 }
4214
4215 if (attr == NULL) {
4216 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4217 dn));
4218 continue;
4219 }
4220
4221 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4222 if (rid == rids[rid_index])
4223 break;
4224 }
4225
4226 if (rid_index == num_rids) {
4227 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4228 continue;
4229 }
4230
4231 attrs[rid_index] = type;
4232 names[rid_index] = attr;
4233 num_mapped += 1;
4234 }
4235
4236 result = NT_STATUS_NONE_MAPPED;
4237
4238 if (num_mapped > 0)
4239 result = (num_mapped == num_rids) ?
4240 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4241 done:
4242 TALLOC_FREE(mem_ctx);
4243 return result;
4244 }
4245
4246 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4247 {
4248 char *filter = NULL;
4249 char *escaped = NULL;
4250 char *result = NULL;
4251
4252 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
4253 "(uid=%u)");
4254 if (filter == NULL) goto done;
4255
4256 escaped = escape_ldap_string_alloc(username);
4257 if (escaped == NULL) goto done;
4258
4259 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4260
4261 done:
4262 SAFE_FREE(filter);
4263 SAFE_FREE(escaped);
4264
4265 return result;
4266 }
4267
4268 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4269 {
4270 int i, num = 0;
4271 va_list ap;
4272 const char **result;
4273
4274 va_start(ap, mem_ctx);
4275 while (va_arg(ap, const char *) != NULL)
4276 num += 1;
4277 va_end(ap);
4278
4279 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4280 return NULL;
4281 }
4282
4283 va_start(ap, mem_ctx);
4284 for (i=0; i<num; i++) {
4285 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4286 if (result[i] == NULL) {
4287 talloc_free(result);
4288 return NULL;
4289 }
4290 }
4291 va_end(ap);
4292
4293 result[num] = NULL;
4294 return result;
4295 }
4296
4297 struct ldap_search_state {
4298 struct smbldap_state *connection;
4299
4300 uint32 acct_flags;
4301 uint16 group_type;
4302
4303 const char *base;
4304 int scope;
4305 const char *filter;
4306 const char **attrs;
4307 int attrsonly;
4308 void *pagedresults_cookie;
4309
4310 LDAPMessage *entries, *current_entry;
4311 bool (*ldap2displayentry)(struct ldap_search_state *state,
4312 TALLOC_CTX *mem_ctx,
4313 LDAP *ld, LDAPMessage *entry,
4314 struct samr_displayentry *result);
4315 };
4316
4317 static bool ldapsam_search_firstpage(struct pdb_search *search)
4318 {
4319 struct ldap_search_state *state =
4320 (struct ldap_search_state *)search->private_data;
4321 LDAP *ld;
4322 int rc = LDAP_OPERATIONS_ERROR;
4323
4324 state->entries = NULL;
4325
4326 if (state->connection->paged_results) {
4327 rc = smbldap_search_paged(state->connection, state->base,
4328 state->scope, state->filter,
4329 state->attrs, state->attrsonly,
4330 lp_ldap_page_size(), &state->entries,
4331 &state->pagedresults_cookie);
4332 }
4333
4334 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4335
4336 if (state->entries != NULL) {
4337 /* Left over from unsuccessful paged attempt */
4338 ldap_msgfree(state->entries);
4339 state->entries = NULL;
4340 }
4341
4342 rc = smbldap_search(state->connection, state->base,
4343 state->scope, state->filter, state->attrs,
4344 state->attrsonly, &state->entries);
4345
4346 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4347 return False;
4348
4349 /* Ok, the server was lying. It told us it could do paged
4350 * searches when it could not. */
4351 state->connection->paged_results = False;
4352 }
4353
4354 ld = state->connection->ldap_struct;
4355 if ( ld == NULL) {
4356 DEBUG(5, ("Don't have an LDAP connection right after a "
4357 "search\n"));
4358 return False;
4359 }
4360 state->current_entry = ldap_first_entry(ld, state->entries);
4361
4362 if (state->current_entry == NULL) {
4363 ldap_msgfree(state->entries);
4364 state->entries = NULL;
4365 }
4366
4367 return True;
4368 }
4369
4370 static bool ldapsam_search_nextpage(struct pdb_search *search)
4371 {
4372 struct ldap_search_state *state =
4373 (struct ldap_search_state *)search->private_data;
4374 int rc;
4375
4376 if (!state->connection->paged_results) {
4377 /* There is no next page when there are no paged results */
4378 return False;
4379 }
4380
4381 rc = smbldap_search_paged(state->connection, state->base,
4382 state->scope, state->filter, state->attrs,
4383 state->attrsonly, lp_ldap_page_size(),
4384 &state->entries,
4385 &state->pagedresults_cookie);
4386
4387 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4388 return False;
4389
4390 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4391
4392 if (state->current_entry == NULL) {
4393 ldap_msgfree(state->entries);
4394 state->entries = NULL;
4395 }
4396
4397 return True;
4398 }
4399
4400 static bool ldapsam_search_next_entry(struct pdb_search *search,
4401 struct samr_displayentry *entry)
4402 {
4403 struct ldap_search_state *state =
4404 (struct ldap_search_state *)search->private_data;
4405 bool result;
4406
4407 retry:
4408 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4409 return False;
4410
4411 if ((state->entries == NULL) &&
4412 !ldapsam_search_nextpage(search))
4413 return False;
4414
4415 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4416 state->current_entry, entry);
4417
4418 if (!result) {
4419 char *dn;
4420 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4421 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4422 if (dn != NULL) ldap_memfree(dn);
4423 }
4424
4425 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4426
4427 if (state->current_entry == NULL) {
4428 ldap_msgfree(state->entries);
4429 state->entries = NULL;
4430 }
4431
4432 if (!result) goto retry;
4433
4434 return True;
4435 }
4436
4437 static void ldapsam_search_end(struct pdb_search *search)
4438 {
4439 struct ldap_search_state *state =
4440 (struct ldap_search_state *)search->private_data;
4441 int rc;
4442
4443 if (state->pagedresults_cookie == NULL)
4444 return;
4445
4446 if (state->entries != NULL)
4447 ldap_msgfree(state->entries);
4448
4449 state->entries = NULL;
4450 state->current_entry = NULL;
4451
4452 if (!state->connection->paged_results)
4453 return;
4454
4455 /* Tell the LDAP server we're not interested in the rest anymore. */
4456
4457 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4458 state->filter, state->attrs,
4459 state->attrsonly, 0, &state->entries,
4460 &state->pagedresults_cookie);
4461
4462 if (rc != LDAP_SUCCESS)
4463 DEBUG(5, ("Could not end search properly\n"));
4464
4465 return;
4466 }
4467
4468 static bool ldapuser2displayentry(struct ldap_search_state *state,
4469 TALLOC_CTX *mem_ctx,
4470 LDAP *ld, LDAPMessage *entry,
4471 struct samr_displayentry *result)
4472 {
4473 char **vals;
4474 DOM_SID sid;
4475 uint32 acct_flags;
4476
4477 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4478 if ((vals == NULL) || (vals[0] == NULL)) {
4479 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4480 return False;
4481 }
4482 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4483 ldap_value_free(vals);
4484
4485 if ((state->acct_flags != 0) &&
4486 ((state->acct_flags & acct_flags) == 0))
4487 return False;
4488
4489 result->acct_flags = acct_flags;
4490 result->account_name = "";
4491 result->fullname = "";
4492 result->description = "";
4493
4494 vals = ldap_get_values(ld, entry, "uid");
4495 if ((vals == NULL) || (vals[0] == NULL)) {
4496 DEBUG(5, ("\"uid\" not found\n"));
4497 return False;
4498 }
4499 pull_utf8_talloc(mem_ctx,
4500 CONST_DISCARD(char **, &result->account_name),
4501 vals[0]);
4502 ldap_value_free(vals);
4503
4504 vals = ldap_get_values(ld, entry, "displayName");
4505 if ((vals == NULL) || (vals[0] == NULL))
4506 DEBUG(8, ("\"displayName\" not found\n"));
4507 else
4508 pull_utf8_talloc(mem_ctx,
4509 CONST_DISCARD(char **, &result->fullname),
4510 vals[0]);
4511 ldap_value_free(vals);
4512
4513 vals = ldap_get_values(ld, entry, "description");
4514 if ((vals == NULL) || (vals[0] == NULL))
4515 DEBUG(8, ("\"description\" not found\n"));
4516 else
4517 pull_utf8_talloc(mem_ctx,
4518 CONST_DISCARD(char **, &result->description),
4519 vals[0]);
4520 ldap_value_free(vals);
4521
4522 if ((result->account_name == NULL) ||
4523 (result->fullname == NULL) ||
4524 (result->description == NULL)) {
4525 DEBUG(0, ("talloc failed\n"));
4526 return False;
4527 }
4528
4529 vals = ldap_get_values(ld, entry, "sambaSid");
4530 if ((vals == NULL) || (vals[0] == NULL)) {
4531 DEBUG(0, ("\"objectSid\" not found\n"));
4532 return False;
4533 }
4534
4535 if (!string_to_sid(&sid, vals[0])) {
4536 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4537 ldap_value_free(vals);
4538 return False;
4539 }
4540 ldap_value_free(vals);
4541
4542 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4543 DEBUG(0, ("sid %s does not belong to our domain\n",
4544 sid_string_static(&sid)));
4545 return False;
4546 }
4547
4548 return True;
4549 }
4550
4551
4552 static bool ldapsam_search_users(struct pdb_methods *methods,
4553 struct pdb_search *search,
4554 uint32 acct_flags)
4555 {
4556 struct ldapsam_privates *ldap_state =
4557 (struct ldapsam_privates *)methods->private_data;
4558 struct ldap_search_state *state;
4559
4560 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4561 if (state == NULL) {
4562 DEBUG(0, ("talloc failed\n"));
4563 return False;
4564 }
4565
4566 state->connection = ldap_state->smbldap_state;
4567
4568 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4569 state->base = lp_ldap_user_suffix();
4570 else if ((acct_flags != 0) &&
4571 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4572 state->base = lp_ldap_machine_suffix();
4573 else
4574 state->base = lp_ldap_suffix();
4575
4576 state->acct_flags = acct_flags;
4577 state->base = talloc_strdup(search->mem_ctx, state->base);
4578 state->scope = LDAP_SCOPE_SUBTREE;
4579 state->filter = get_ldap_filter(search->mem_ctx, "*");
4580 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4581 "displayName", "description",
4582 "sambaAcctFlags", NULL);
4583 state->attrsonly = 0;
4584 state->pagedresults_cookie = NULL;
4585 state->entries = NULL;
4586 state->ldap2displayentry = ldapuser2displayentry;
4587
4588 if ((state->filter == NULL) || (state->attrs == NULL)) {
4589 DEBUG(0, ("talloc failed\n"));
4590 return False;
4591 }
4592
4593 search->private_data = state;
4594 search->next_entry = ldapsam_search_next_entry;
4595 search->search_end = ldapsam_search_end;
4596
4597 return ldapsam_search_firstpage(search);
4598 }
4599
4600 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4601 TALLOC_CTX *mem_ctx,
4602 LDAP *ld, LDAPMessage *entry,
4603 struct samr_displayentry *result)
4604 {
4605 char **vals;
4606 DOM_SID sid;
4607 uint16 group_type;
4608
4609 result->account_name = "";
4610 result->fullname = "";
4611 result->description = "";
4612
4613
4614 vals = ldap_get_values(ld, entry, "sambaGroupType");
4615 if ((vals == NULL) || (vals[0] == NULL)) {
4616 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4617 if (vals != NULL) {
4618 ldap_value_free(vals);
4619 }
4620 return False;
4621 }
4622
4623 group_type = atoi(vals[0]);
4624
4625 if ((state->group_type != 0) &&
4626 ((state->group_type != group_type))) {
4627 ldap_value_free(vals);
4628 return False;
4629 }
4630
4631 ldap_value_free(vals);
4632
4633 /* display name is the NT group name */
4634
4635 vals = ldap_get_values(ld, entry, "displayName");
4636 if ((vals == NULL) || (vals[0] == NULL)) {
4637 DEBUG(8, ("\"displayName\" not found\n"));
4638
4639 /* fallback to the 'cn' attribute */
4640 vals = ldap_get_values(ld, entry, "cn");
4641 if ((vals == NULL) || (vals[0] == NULL)) {
4642 DEBUG(5, ("\"cn\" not found\n"));
4643 return False;
4644 }
4645 pull_utf8_talloc(mem_ctx,
4646 CONST_DISCARD(char **, &result->account_name),
4647 vals[0]);
4648 }
4649 else {
4650 pull_utf8_talloc(mem_ctx,
4651 CONST_DISCARD(char **, &result->account_name),
4652 vals[0]);
4653 }
4654
4655 ldap_value_free(vals);
4656
4657 vals = ldap_get_values(ld, entry, "description");
4658 if ((vals == NULL) || (vals[0] == NULL))
4659 DEBUG(8, ("\"description\" not found\n"));
4660 else
4661 pull_utf8_talloc(mem_ctx,
4662 CONST_DISCARD(char **, &result->description),
4663 vals[0]);
4664 ldap_value_free(vals);
4665
4666 if ((result->account_name == NULL) ||
4667 (result->fullname == NULL) ||
4668 (result->description == NULL)) {
4669 DEBUG(0, ("talloc failed\n"));
4670 return False;
4671 }
4672
4673 vals = ldap_get_values(ld, entry, "sambaSid");
4674 if ((vals == NULL) || (vals[0] == NULL)) {
4675 DEBUG(0, ("\"objectSid\" not found\n"));
4676 if (vals != NULL) {
4677 ldap_value_free(vals);
4678 }
4679 return False;
4680 }
4681
4682 if (!string_to_sid(&sid, vals[0])) {
4683 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4684 return False;
4685 }
4686
4687 ldap_value_free(vals);
4688
4689 switch (group_type) {
4690 case SID_NAME_DOM_GRP:
4691 case SID_NAME_ALIAS:
4692
4693 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4694 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4695 {
4696 DEBUG(0, ("%s is not in our domain\n",
4697 sid_string_static(&sid)));
4698 return False;
4699 }
4700 break;
4701
4702 default:
4703 DEBUG(0,("unkown group type: %d\n", group_type));
4704 return False;
4705 }
4706
4707 return True;
4708 }
4709
4710 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4711 struct pdb_search *search,
4712 const DOM_SID *sid,
4713 enum lsa_SidType type)
4714 {
4715 struct ldapsam_privates *ldap_state =
4716 (struct ldapsam_privates *)methods->private_data;
4717 struct ldap_search_state *state;
4718
4719 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4720 if (state == NULL) {
4721 DEBUG(0, ("talloc failed\n"));
4722 return False;
4723 }
4724
4725 state->connection = ldap_state->smbldap_state;
4726
4727 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4728 state->connection = ldap_state->smbldap_state;
4729 state->scope = LDAP_SCOPE_SUBTREE;
4730 state->filter = talloc_asprintf(search->mem_ctx,
4731 "(&(objectclass=sambaGroupMapping)"
4732 "(sambaGroupType=%d)(sambaSID=%s*))",
4733 type, sid_string_static(sid));
4734 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4735 "displayName", "description",
4736 "sambaGroupType", NULL);
4737 state->attrsonly = 0;
4738 state->pagedresults_cookie = NULL;
4739 state->entries = NULL;
4740 state->group_type = type;
4741 state->ldap2displayentry = ldapgroup2displayentry;
4742
4743 if ((state->filter == NULL) || (state->attrs == NULL)) {
4744 DEBUG(0, ("talloc failed\n"));
4745 return False;
4746 }
4747
4748 search->private_data = state;
4749 search->next_entry = ldapsam_search_next_entry;
4750 search->search_end = ldapsam_search_end;
4751
4752 return ldapsam_search_firstpage(search);
4753 }
4754
4755 static bool ldapsam_search_groups(struct pdb_methods *methods,
4756 struct pdb_search *search)
4757 {
4758 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4759 }
4760
4761 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4762 struct pdb_search *search,
4763 const DOM_SID *sid)
4764 {
4765 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4766 }
4767
4768 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4769 {
4770 return False;
4771 }
4772
4773 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4774 uint32 *rid)
4775 {
4776 struct smbldap_state *smbldap_state = priv->smbldap_state;
4777
4778 LDAPMessage *result = NULL;
4779 LDAPMessage *entry = NULL;
4780 LDAPMod **mods = NULL;
4781 NTSTATUS status;
4782 char *value;
4783 int rc;
4784 uint32 nextRid = 0;
4785 const char *dn;
4786
4787 TALLOC_CTX *mem_ctx;
4788
4789 mem_ctx = talloc_new(NULL);
4790 if (mem_ctx == NULL) {
4791 DEBUG(0, ("talloc_new failed\n"));
4792 return NT_STATUS_NO_MEMORY;
4793 }
4794
4795 status = smbldap_search_domain_info(smbldap_state, &result,
4796 get_global_sam_name(), False);
4797 if (!NT_STATUS_IS_OK(status)) {
4798 DEBUG(3, ("Could not get domain info: %s\n",
4799 nt_errstr(status)));
4800 goto done;
4801 }
4802
4803 talloc_autofree_ldapmsg(mem_ctx, result);
4804
4805 entry = ldap_first_entry(priv2ld(priv), result);
4806 if (entry == NULL) {
4807 DEBUG(0, ("Could not get domain info entry\n"));
4808 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4809 goto done;
4810 }
4811
4812 /* Find the largest of the three attributes "sambaNextRid",
4813 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4814 concept of differentiating between user and group rids, and will
4815 use only "sambaNextRid" in the future. But for compatibility
4816 reasons I look if others have chosen different strategies -- VL */
4817
4818 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4819 "sambaNextRid", mem_ctx);
4820 if (value != NULL) {
4821 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4822 nextRid = MAX(nextRid, tmp);
4823 }
4824
4825 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4826 "sambaNextUserRid", mem_ctx);
4827 if (value != NULL) {
4828 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4829 nextRid = MAX(nextRid, tmp);
4830 }
4831
4832 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4833 "sambaNextGroupRid", mem_ctx);
4834 if (value != NULL) {
4835 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4836 nextRid = MAX(nextRid, tmp);
4837 }
4838
4839 if (nextRid == 0) {
4840 nextRid = BASE_RID-1;
4841 }
4842
4843 nextRid += 1;
4844
4845 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4846 talloc_asprintf(mem_ctx, "%d", nextRid));
4847 talloc_autofree_ldapmod(mem_ctx, mods);
4848
4849 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4850 status = NT_STATUS_NO_MEMORY;
4851 goto done;
4852 }
4853
4854 rc = smbldap_modify(smbldap_state, dn, mods);
4855
4856 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4857 * please retry" */
4858
4859 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4860
4861 done:
4862 if (NT_STATUS_IS_OK(status)) {
4863 *rid = nextRid;
4864 }
4865
4866 TALLOC_FREE(mem_ctx);
4867 return status;
4868 }
4869
4870 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4871 {
4872 int i;
4873
4874 for (i=0; i<10; i++) {
4875 NTSTATUS result = ldapsam_get_new_rid(
4876 (struct ldapsam_privates *)methods->private_data, rid);
4877 if (NT_STATUS_IS_OK(result)) {
4878 return result;
4879 }
4880
4881 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4882 return result;
4883 }
4884
4885 /* The ldap update failed (maybe a race condition), retry */
4886 }
4887
4888 /* Tried 10 times, fail. */
4889 return NT_STATUS_ACCESS_DENIED;
4890 }
4891
4892 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4893 {
4894 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4895 return NT_STATUS_IS_OK(result) ? True : False;
4896 }
4897
4898 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4899 const DOM_SID *sid,
4900 union unid_t *id, enum lsa_SidType *type)
4901 {
4902 struct ldapsam_privates *priv =
4903 (struct ldapsam_privates *)methods->private_data;
4904 char *filter;
4905 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4906 NULL };
4907 LDAPMessage *result = NULL;
4908 LDAPMessage *entry = NULL;
4909 bool ret = False;
4910 char *value;
4911 int rc;
4912
4913 TALLOC_CTX *mem_ctx;
4914
4915 mem_ctx = talloc_new(NULL);
4916 if (mem_ctx == NULL) {
4917 DEBUG(0, ("talloc_new failed\n"));
4918 return False;
4919 }
4920
4921 filter = talloc_asprintf(mem_ctx,
4922 "(&(sambaSid=%s)"
4923 "(|(objectClass=%s)(objectClass=%s)))",
4924 sid_string_static(sid),
4925 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4926 if (filter == NULL) {
4927 DEBUG(5, ("talloc_asprintf failed\n"));
4928 goto done;
4929 }
4930
4931 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4932 attrs, &result);
4933 if (rc != LDAP_SUCCESS) {
4934 goto done;
4935 }
4936 talloc_autofree_ldapmsg(mem_ctx, result);
4937
4938 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4939 DEBUG(10, ("Got %d entries, expected one\n",
4940 ldap_count_entries(priv2ld(priv), result)));
4941 goto done;
4942 }
4943
4944 entry = ldap_first_entry(priv2ld(priv), result);
4945
4946 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4947 "sambaGroupType", mem_ctx);
4948
4949 if (value != NULL) {
4950 const char *gid_str;
4951 /* It's a group */
4952
4953 gid_str = smbldap_talloc_single_attribute(
4954 priv2ld(priv), entry, "gidNumber", mem_ctx);
4955 if (gid_str == NULL) {
4956 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4957 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4958 entry)));
4959 goto done;
4960 }
4961
4962 id->gid = strtoul(gid_str, NULL, 10);
4963 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4964 ret = True;
4965 goto done;
4966 }
4967
4968 /* It must be a user */
4969
4970 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4971 "uidNumber", mem_ctx);
4972 if (value == NULL) {
4973 DEBUG(1, ("Could not find uidNumber in %s\n",
4974 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4975 goto done;
4976 }
4977
4978 id->uid = strtoul(value, NULL, 10);
4979 *type = SID_NAME_USER;
4980
4981 ret = True;
4982 done:
4983 TALLOC_FREE(mem_ctx);
4984 return ret;
4985 }
4986
4987 /*
4988 * The following functions is called only if
4989 * ldapsam:trusted and ldapsam:editposix are
4990 * set to true
4991 */
4992
4993 /*
4994 * ldapsam_create_user creates a new
4995 * posixAccount and sambaSamAccount object
4996 * in the ldap users subtree
4997 *
4998 * The uid is allocated by winbindd.
4999 */
5000
5001 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5002 TALLOC_CTX *tmp_ctx, const char *name,
5003 uint32 acb_info, uint32 *rid)
5004 {
5005 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5006 LDAPMessage *entry = NULL;
5007 LDAPMessage *result = NULL;
5008 uint32 num_result;
5009 bool is_machine = False;
5010 bool add_posix = False;
5011 LDAPMod **mods = NULL;
5012 struct samu *user;
5013 char *filter;
5014 char *username;
5015 char *homedir;
5016 char *gidstr;
5017 char *uidstr;
5018 char *shell;
5019 const char *dn = NULL;
5020 DOM_SID group_sid;
5021 DOM_SID user_sid;
5022 gid_t gid = -1;
5023 uid_t uid = -1;
5024 NTSTATUS ret;
5025 int rc;
5026
5027 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5028 acb_info & ACB_WSTRUST ||
5029 acb_info & ACB_SVRTRUST ||
5030 acb_info & ACB_DOMTRUST) {
5031 is_machine = True;
5032 }
5033
5034 username = escape_ldap_string_alloc(name);
5035 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5036 username, LDAP_OBJ_POSIXACCOUNT);
5037 SAFE_FREE(username);
5038
5039 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5040 if (rc != LDAP_SUCCESS) {
5041 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5042 return NT_STATUS_UNSUCCESSFUL;
5043 }
5044 talloc_autofree_ldapmsg(tmp_ctx, result);
5045
5046 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5047
5048 if (num_result > 1) {
5049 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5050 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5051 }
5052
5053 if (num_result == 1) {
5054 char *tmp;
5055 /* check if it is just a posix account.
5056 * or if there is a sid attached to this entry
5057 */
5058
5059 entry = ldap_first_entry(priv2ld(ldap_state), result);
5060 if (!entry) {
5061 return NT_STATUS_UNSUCCESSFUL;
5062 }
5063
5064 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5065 if (tmp) {
5066 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5067 return NT_STATUS_USER_EXISTS;
5068 }
5069
5070 /* it is just a posix account, retrieve the dn for later use */
5071 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5072 if (!dn) {
5073 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5074 return NT_STATUS_NO_MEMORY;
5075 }
5076 }
5077
5078 if (num_result == 0) {
5079 add_posix = True;
5080 }
5081
5082 /* Create the basic samu structure and generate the mods for the ldap commit */
5083 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5084 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5085 return ret;
5086 }
5087
5088 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5089
5090 user = samu_new(tmp_ctx);
5091 if (!user) {
5092 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5093 return NT_STATUS_NO_MEMORY;
5094 }
5095
5096 if (!pdb_set_username(user, name, PDB_SET)) {
5097 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5098 return NT_STATUS_UNSUCCESSFUL;
5099 }
5100 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5101 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5102 return NT_STATUS_UNSUCCESSFUL;
5103 }
5104 if (is_machine) {
5105 if (acb_info & ACB_NORMAL) {
5106 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5107 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5108 return NT_STATUS_UNSUCCESSFUL;
5109 }
5110 } else {
5111 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5112 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5113 return NT_STATUS_UNSUCCESSFUL;
5114 }
5115 }
5116 } else {
5117 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5118 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5119 return NT_STATUS_UNSUCCESSFUL;
5120 }
5121 }
5122
5123 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5124 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5125 return NT_STATUS_UNSUCCESSFUL;
5126 }
5127
5128 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5129 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5130 return NT_STATUS_UNSUCCESSFUL;
5131 }
5132
5133 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5134 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5135 }
5136 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5137
5138 if (add_posix) {
5139 char *escape_name;
5140
5141 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5142
5143 /* retrieve the Domain Users group gid */
5144 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5145 !sid_to_gid(&group_sid, &gid)) {
5146 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5147 return NT_STATUS_INVALID_PRIMARY_GROUP;
5148 }
5149
5150 /* lets allocate a new userid for this user */
5151 if (!winbind_allocate_uid(&uid)) {
5152 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5153 return NT_STATUS_UNSUCCESSFUL;
5154 }
5155
5156
5157 if (is_machine) {
5158 /* TODO: choose a more appropriate default for machines */
5159 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5160 shell = talloc_strdup(tmp_ctx, "/bin/false");
5161 } else {
5162 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5163 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5164 }
5165 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5166 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5167
5168 escape_name = escape_rdn_val_string_alloc(name);
5169 if (!escape_name) {
5170 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5171 return NT_STATUS_NO_MEMORY;
5172 }
5173
5174 if (is_machine) {
5175 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5176 } else {
5177 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5178 }
5179
5180 SAFE_FREE(escape_name);
5181
5182 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5183 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5184 return NT_STATUS_NO_MEMORY;
5185 }
5186
5187 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5188 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5189 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5190 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5191 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5192 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5193 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5194 }
5195
5196 talloc_autofree_ldapmod(tmp_ctx, mods);
5197
5198 if (add_posix) {
5199 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5200 } else {
5201 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5202 }
5203
5204 if (rc != LDAP_SUCCESS) {
5205 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5206 return NT_STATUS_UNSUCCESSFUL;
5207 }
5208
5209 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5210
5211 flush_pwnam_cache();
5212
5213 return NT_STATUS_OK;
5214 }
5215
5216 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5217 {
5218 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5219 LDAPMessage *result = NULL;
5220 LDAPMessage *entry = NULL;
5221 int num_result;
5222 const char *dn;
5223 char *filter;
5224 int rc;
5225
5226 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5227
5228 filter = talloc_asprintf(tmp_ctx,
5229 "(&(uid=%s)"
5230 "(objectClass=%s)"
5231 "(objectClass=%s))",
5232 pdb_get_username(sam_acct),
5233 LDAP_OBJ_POSIXACCOUNT,
5234 LDAP_OBJ_SAMBASAMACCOUNT);
5235 if (filter == NULL) {
5236 return NT_STATUS_NO_MEMORY;
5237 }
5238
5239 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5240 if (rc != LDAP_SUCCESS) {
5241 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5242 return NT_STATUS_UNSUCCESSFUL;
5243 }
5244 talloc_autofree_ldapmsg(tmp_ctx, result);
5245
5246 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5247
5248 if (num_result == 0) {
5249 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5250 return NT_STATUS_NO_SUCH_USER;
5251 }
5252
5253 if (num_result > 1) {
5254 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5255 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5256 }
5257
5258 entry = ldap_first_entry(priv2ld(ldap_state), result);
5259 if (!entry) {
5260 return NT_STATUS_UNSUCCESSFUL;
5261 }
5262
5263 /* it is just a posix account, retrieve the dn for later use */
5264 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5265 if (!dn) {
5266 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5267 return NT_STATUS_NO_MEMORY;
5268 }
5269
5270 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5271 if (rc != LDAP_SUCCESS) {
5272 return NT_STATUS_UNSUCCESSFUL;
5273 }
5274
5275 flush_pwnam_cache();
5276
5277 return NT_STATUS_OK;
5278 }
5279
5280 /*
5281 * ldapsam_create_group creates a new
5282 * posixGroup and sambaGroupMapping object
5283 * in the ldap groups subtree
5284 *
5285 * The gid is allocated by winbindd.
5286 */
5287
5288 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5289 TALLOC_CTX *tmp_ctx,
5290 const char *name,
5291 uint32 *rid)
5292 {
5293 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5294 NTSTATUS ret;
5295 LDAPMessage *entry = NULL;
5296 LDAPMessage *result = NULL;
5297 uint32 num_result;
5298 bool is_new_entry = False;
5299 LDAPMod **mods = NULL;
5300 char *filter;
5301 char *groupsidstr;
5302 char *groupname;
5303 char *grouptype;
5304 char *gidstr;
5305 const char *dn = NULL;
5306 DOM_SID group_sid;
5307 gid_t gid = -1;
5308 int rc;
5309
5310 groupname = escape_ldap_string_alloc(name);
5311 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5312 groupname, LDAP_OBJ_POSIXGROUP);
5313 SAFE_FREE(groupname);
5314
5315 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5316 if (rc != LDAP_SUCCESS) {
5317 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5318 return NT_STATUS_UNSUCCESSFUL;
5319 }
5320 talloc_autofree_ldapmsg(tmp_ctx, result);
5321
5322 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5323
5324 if (num_result > 1) {
5325 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5326 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5327 }
5328
5329 if (num_result == 1) {
5330 char *tmp;
5331 /* check if it is just a posix group.
5332 * or if there is a sid attached to this entry
5333 */
5334
5335 entry = ldap_first_entry(priv2ld(ldap_state), result);
5336 if (!entry) {
5337 return NT_STATUS_UNSUCCESSFUL;
5338 }
5339
5340 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5341 if (tmp) {
5342 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5343 return NT_STATUS_GROUP_EXISTS;
5344 }
5345
5346 /* it is just a posix group, retrieve the gid and the dn for later use */
5347 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5348 if (!tmp) {
5349 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5350 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5351 }
5352
5353 gid = strtoul(tmp, NULL, 10);
5354
5355 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5356 if (!dn) {
5357 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5358 return NT_STATUS_NO_MEMORY;
5359 }
5360 }
5361
5362 if (num_result == 0) {
5363 char *escape_name;
5364
5365 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5366
5367 is_new_entry = True;
5368
5369 /* lets allocate a new groupid for this group */
5370 if (!winbind_allocate_gid(&gid)) {
5371 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5372 return NT_STATUS_UNSUCCESSFUL;
5373 }
5374
5375 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5376
5377 escape_name = escape_rdn_val_string_alloc(name);
5378 if (!escape_name) {
5379 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5380 return NT_STATUS_NO_MEMORY;
5381 }
5382
5383 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5384
5385 SAFE_FREE(escape_name);
5386
5387 if (!gidstr || !dn) {
5388 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5389 return NT_STATUS_NO_MEMORY;
5390 }
5391
5392 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5393 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5394 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5395 }
5396
5397 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5398 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5399 return ret;
5400 }
5401
5402 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5403
5404 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5405 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5406
5407 if (!groupsidstr || !grouptype) {
5408 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5409 return NT_STATUS_NO_MEMORY;
5410 }
5411
5412 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5413 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5414 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5415 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5416 talloc_autofree_ldapmod(tmp_ctx, mods);
5417
5418 if (is_new_entry) {
5419 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5420 #if 0
5421 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5422 /* This call may fail with rfc2307bis schema */
5423 /* Retry adding a structural class */
5424 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5425 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5426 }
5427 #endif
5428 } else {
5429 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5430 }
5431
5432 if (rc != LDAP_SUCCESS) {
5433 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5434 return NT_STATUS_UNSUCCESSFUL;
5435 }
5436
5437 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5438
5439 return NT_STATUS_OK;
5440 }
5441
5442 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5443 {
5444 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5445 LDAPMessage *result = NULL;
5446 LDAPMessage *entry = NULL;
5447 int num_result;
5448 const char *dn;
5449 char *gidstr;
5450 char *filter;
5451 DOM_SID group_sid;
5452 int rc;
5453
5454 /* get the group sid */
5455 sid_compose(&group_sid, get_global_sam_sid(), rid);
5456
5457 filter = talloc_asprintf(tmp_ctx,
5458 "(&(sambaSID=%s)"
5459 "(objectClass=%s)"
5460 "(objectClass=%s))",
5461 sid_string_static(&group_sid),
5462 LDAP_OBJ_POSIXGROUP,
5463 LDAP_OBJ_GROUPMAP);
5464 if (filter == NULL) {
5465 return NT_STATUS_NO_MEMORY;
5466 }
5467
5468 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5469 if (rc != LDAP_SUCCESS) {
5470 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5471 return NT_STATUS_UNSUCCESSFUL;
5472 }
5473 talloc_autofree_ldapmsg(tmp_ctx, result);
5474
5475 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5476
5477 if (num_result == 0) {
5478 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5479 return NT_STATUS_NO_SUCH_GROUP;
5480 }
5481
5482 if (num_result > 1) {
5483 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5484 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5485 }
5486
5487 entry = ldap_first_entry(priv2ld(ldap_state), result);
5488 if (!entry) {
5489 return NT_STATUS_UNSUCCESSFUL;
5490 }
5491
5492 /* here it is, retrieve the dn for later use */
5493 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5494 if (!dn) {
5495 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5496 return NT_STATUS_NO_MEMORY;
5497 }
5498
5499 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5500 if (!gidstr) {
5501 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5502 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5503 }
5504
5505 /* check no user have this group marked as primary group */
5506 filter = talloc_asprintf(tmp_ctx,
5507 "(&(gidNumber=%s)"
5508 "(objectClass=%s)"
5509 "(objectClass=%s))",
5510 gidstr,
5511 LDAP_OBJ_POSIXACCOUNT,
5512 LDAP_OBJ_SAMBASAMACCOUNT);
5513
5514 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5515 if (rc != LDAP_SUCCESS) {
5516 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5517 return NT_STATUS_UNSUCCESSFUL;
5518 }
5519 talloc_autofree_ldapmsg(tmp_ctx, result);
5520
5521 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5522
5523 if (num_result != 0) {
5524 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5525 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5526 }
5527
5528 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5529 if (rc != LDAP_SUCCESS) {
5530 return NT_STATUS_UNSUCCESSFUL;
5531 }
5532
5533 return NT_STATUS_OK;
5534 }
5535
5536 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5537 TALLOC_CTX *tmp_ctx,
5538 uint32 group_rid,
5539 uint32 member_rid,
5540 int modop)
5541 {
5542 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5543 LDAPMessage *entry = NULL;
5544 LDAPMessage *result = NULL;
5545 uint32 num_result;
5546 LDAPMod **mods = NULL;
5547 char *filter;
5548 char *uidstr;
5549 const char *dn = NULL;
5550 DOM_SID group_sid;
5551 DOM_SID member_sid;
5552 int rc;
5553
5554 switch (modop) {
5555 case LDAP_MOD_ADD:
5556 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5557 break;
5558 case LDAP_MOD_DELETE:
5559 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5560 break;
5561 default:
5562 return NT_STATUS_UNSUCCESSFUL;
5563 }
5564
5565 /* get member sid */
5566 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5567
5568 /* get the group sid */
5569 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5570
5571 filter = talloc_asprintf(tmp_ctx,
5572 "(&(sambaSID=%s)"
5573 "(objectClass=%s)"
5574 "(objectClass=%s))",
5575 sid_string_static(&member_sid),
5576 LDAP_OBJ_POSIXACCOUNT,
5577 LDAP_OBJ_SAMBASAMACCOUNT);
5578 if (filter == NULL) {
5579 return NT_STATUS_NO_MEMORY;
5580 }
5581
5582 /* get the member uid */
5583 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5584 if (rc != LDAP_SUCCESS) {
5585 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5586 return NT_STATUS_UNSUCCESSFUL;
5587 }
5588 talloc_autofree_ldapmsg(tmp_ctx, result);
5589
5590 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5591
5592 if (num_result == 0) {
5593 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5594 return NT_STATUS_NO_SUCH_MEMBER;
5595 }
5596
5597 if (num_result > 1) {
5598 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5599 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5600 }
5601
5602 entry = ldap_first_entry(priv2ld(ldap_state), result);
5603 if (!entry) {
5604 return NT_STATUS_UNSUCCESSFUL;
5605 }
5606
5607 if (modop == LDAP_MOD_DELETE) {
5608 /* check if we are trying to remove the member from his primary group */
5609 char *gidstr;
5610 gid_t user_gid, group_gid;
5611
5612 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5613 if (!gidstr) {
5614 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5615 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5616 }
5617
5618 user_gid = strtoul(gidstr, NULL, 10);
5619
5620 if (!sid_to_gid(&group_sid, &group_gid)) {
5621 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5622 return NT_STATUS_UNSUCCESSFUL;
5623 }
5624
5625 if (user_gid == group_gid) {
5626 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5627 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5628 }
5629 }
5630
5631 /* here it is, retrieve the uid for later use */
5632 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5633 if (!uidstr) {
5634 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5635 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5636 }
5637
5638 filter = talloc_asprintf(tmp_ctx,
5639 "(&(sambaSID=%s)"
5640 "(objectClass=%s)"
5641 "(objectClass=%s))",
5642 sid_string_static(&group_sid),
5643 LDAP_OBJ_POSIXGROUP,
5644 LDAP_OBJ_GROUPMAP);
5645
5646 /* get the group */
5647 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5648 if (rc != LDAP_SUCCESS) {
5649 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5650 return NT_STATUS_UNSUCCESSFUL;
5651 }
5652 talloc_autofree_ldapmsg(tmp_ctx, result);
5653
5654 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5655
5656 if (num_result == 0) {
5657 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5658 return NT_STATUS_NO_SUCH_GROUP;
5659 }
5660
5661 if (num_result > 1) {
5662 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5663 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5664 }
5665
5666 entry = ldap_first_entry(priv2ld(ldap_state), result);
5667 if (!entry) {
5668 return NT_STATUS_UNSUCCESSFUL;
5669 }
5670
5671 /* here it is, retrieve the dn for later use */
5672 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5673 if (!dn) {
5674 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5675 return NT_STATUS_NO_MEMORY;
5676 }
5677
5678 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5679
5680 talloc_autofree_ldapmod(tmp_ctx, mods);
5681
5682 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5683 if (rc != LDAP_SUCCESS) {
5684 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5685 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5686 return NT_STATUS_MEMBER_IN_GROUP;
5687 }
5688 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5689 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5690 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5691 }
5692 return NT_STATUS_UNSUCCESSFUL;
5693 }
5694
5695 return NT_STATUS_OK;
5696 }
5697
5698 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5699 TALLOC_CTX *tmp_ctx,
5700 uint32 group_rid,
5701 uint32 member_rid)
5702 {
5703 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5704 }
5705 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5706 TALLOC_CTX *tmp_ctx,
5707 uint32 group_rid,
5708 uint32 member_rid)
5709 {
5710 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5711 }
5712
5713 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5714 TALLOC_CTX *mem_ctx,
5715 struct samu *sampass)
5716 {
5717 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5718 LDAPMessage *entry = NULL;
5719 LDAPMessage *result = NULL;
5720 uint32 num_result;
5721 LDAPMod **mods = NULL;
5722 char *filter;
5723 char *escape_username;
5724 char *gidstr;
5725 const char *dn = NULL;
5726 gid_t gid;
5727 int rc;
5728
5729 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5730
5731 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5732 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5733 return NT_STATUS_UNSUCCESSFUL;
5734 }
5735 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5736 if (!gidstr) {
5737 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5738 return NT_STATUS_NO_MEMORY;
5739 }
5740
5741 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5742 if (escape_username== NULL) {
5743 return NT_STATUS_NO_MEMORY;
5744 }
5745
5746 filter = talloc_asprintf(mem_ctx,
5747 "(&(uid=%s)"
5748 "(objectClass=%s)"
5749 "(objectClass=%s))",
5750 escape_username,
5751 LDAP_OBJ_POSIXACCOUNT,
5752 LDAP_OBJ_SAMBASAMACCOUNT);
5753
5754 SAFE_FREE(escape_username);
5755
5756 if (filter == NULL) {
5757 return NT_STATUS_NO_MEMORY;
5758 }
5759
5760 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5761 if (rc != LDAP_SUCCESS) {
5762 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5763 return NT_STATUS_UNSUCCESSFUL;
5764 }
5765 talloc_autofree_ldapmsg(mem_ctx, result);
5766
5767 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5768
5769 if (num_result == 0) {
5770 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5771 return NT_STATUS_NO_SUCH_USER;
5772 }
5773
5774 if (num_result > 1) {
5775 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5776 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5777 }
5778
5779 entry = ldap_first_entry(priv2ld(ldap_state), result);
5780 if (!entry) {
5781 return NT_STATUS_UNSUCCESSFUL;
5782 }
5783
5784 /* retrieve the dn for later use */
5785 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5786 if (!dn) {
5787 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5788 return NT_STATUS_NO_MEMORY;
5789 }
5790
5791 /* remove the old one, and add the new one, this way we do not risk races */
5792 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5793
5794 if (mods == NULL) {
5795 return NT_STATUS_OK;
5796 }
5797
5798 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5799
5800 if (rc != LDAP_SUCCESS) {
5801 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5802 pdb_get_username(sampass), gidstr));
5803 return NT_STATUS_UNSUCCESSFUL;
5804 }
5805
5806 flush_pwnam_cache();
5807
5808 return NT_STATUS_OK;
5809 }
5810
5811
5812 /**********************************************************************
5813 trusted domains functions
5814 *********************************************************************/
5815
5816 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5817 const char *domain)
5818 {
5819 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5820 ldap_state->domain_dn);
5821 }
5822
5823 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5824 const char *domain, LDAPMessage **entry)
5825 {
5826 int rc;
5827 char *filter;
5828 int scope = LDAP_SCOPE_SUBTREE;
5829 const char **attrs = NULL; /* NULL: get all attrs */
5830 int attrsonly = 0; /* 0: return values too */
5831 LDAPMessage *result = NULL;
5832 char *trusted_dn;
5833 uint32 num_result;
5834
5835 filter = talloc_asprintf(talloc_tos(),
5836 "(&(objectClass=%s)(sambaDomainName=%s))",
5837 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5838
5839 trusted_dn = trusteddom_dn(ldap_state, domain);
5840 if (trusted_dn == NULL) {
5841 return False;
5842 }
5843 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5844 filter, attrs, attrsonly, &result);
5845
5846 if (rc == LDAP_NO_SUCH_OBJECT) {
5847 *entry = NULL;
5848 return True;
5849 }
5850
5851 if (rc != LDAP_SUCCESS) {
5852 return False;
5853 }
5854
5855 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5856
5857 if (num_result > 1) {
5858 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5859 "sambaTrustedDomainPassword object for domain '%s'"
5860 "?!\n", domain));
5861 return False;
5862 }
5863
5864 if (num_result == 0) {
5865 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5866 "sambaTrustedDomainPassword object for domain %s.\n",
5867 domain));
5868 *entry = NULL;
5869 } else {
5870 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5871 }
5872
5873 return True;
5874 }
5875
5876 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5877 const char *domain,
5878 char** pwd,
5879 DOM_SID *sid,
5880 time_t *pass_last_set_time)
5881 {
5882 struct ldapsam_privates *ldap_state =
5883 (struct ldapsam_privates *)methods->private_data;
5884 LDAPMessage *entry = NULL;
5885
5886 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5887
5888 if (!get_trusteddom_pw_int(ldap_state, domain, &entry) ||
5889 (entry == NULL))
5890 {
5891 return False;
5892 }
5893
5894 /* password */
5895 if (pwd != NULL) {
5896 char *pwd_str;
5897 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5898 entry, "sambaClearTextPassword", talloc_tos());
5899 if (pwd_str == NULL) {
5900 return False;
5901 }
5902 /* trusteddom_pw routines do not use talloc yet... */
5903 *pwd = SMB_STRDUP(pwd_str);
5904 if (*pwd == NULL) {
5905 return False;
5906 }
5907 }
5908
5909 /* last change time */
5910 if (pass_last_set_time != NULL) {
5911 char *time_str;
5912 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5913 entry, "sambaPwdLastSet", talloc_tos());
5914 if (time_str == NULL) {
5915 return False;
5916 }
5917 *pass_last_set_time = (time_t)atol(time_str);
5918 }
5919
5920 /* domain sid */
5921 if (sid != NULL) {
5922 char *sid_str;
5923 DOM_SID *dom_sid;
5924 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5925 entry, "sambaSID",
5926 talloc_tos());
5927 if (sid_str == NULL) {
5928 return False;
5929 }
5930 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5931 if (dom_sid == NULL) {
5932 return False;
5933 }
5934 sid_copy(sid, dom_sid);
5935 }
5936
5937 return True;
5938 }
5939
5940 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5941 const char* domain,
5942 const char* pwd,
5943 const DOM_SID *sid)
5944 {
5945 struct ldapsam_privates *ldap_state =
5946 (struct ldapsam_privates *)methods->private_data;
5947 LDAPMessage *entry = NULL;
5948 LDAPMod **mods = NULL;
5949 char *prev_pwd = NULL;
5950 char *trusted_dn = NULL;
5951 int rc;
5952
5953 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5954
5955 /*
5956 * get the current entry (if there is one) in order to put the
5957 * current password into the previous password attribute
5958 */
5959 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5960 return False;
5961 }
5962
5963 mods = NULL;
5964 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5965 "sambaTrustedDomainPassword");
5966 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5967 domain);
5968 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5969 sid_string_tos(sid));
5970 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5971 talloc_asprintf(talloc_tos(), "%li", time(NULL)));
5972 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5973 "sambaClearTextPassword", pwd);
5974 if (entry != NULL) {
5975 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5976 entry, "sambaClearTextPassword", talloc_tos());
5977 if (prev_pwd != NULL) {
5978 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5979 "sambaPreviousClearTextPassword",
5980 prev_pwd);
5981 }
5982 }
5983
5984 trusted_dn = trusteddom_dn(ldap_state, domain);
5985 if (trusted_dn == NULL) {
5986 return False;
5987 }
5988 if (entry == NULL) {
5989 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5990 } else {
5991 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5992 }
5993
5994 if (rc != LDAP_SUCCESS) {
5995 DEBUG(1, ("error writing trusted domain password!\n"));
5996 return False;
5997 }
5998
5999 return True;
6000 }
6001
6002 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6003 const char *domain)
6004 {
6005 int rc;
6006 struct ldapsam_privates *ldap_state =
6007 (struct ldapsam_privates *)methods->private_data;
6008 LDAPMessage *entry = NULL;
6009 const char *trusted_dn;
6010
6011 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
6012 return False;
6013 }
6014
6015 if (entry == NULL) {
6016 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6017 "%s\n", domain));
6018 return True;
6019 }
6020
6021 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6022 entry);
6023 if (trusted_dn == NULL) {
6024 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6025 return False;
6026 }
6027
6028 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6029 if (rc != LDAP_SUCCESS) {
6030 return False;
6031 }
6032
6033 return True;
6034 }
6035
6036 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6037 TALLOC_CTX *mem_ctx,
6038 uint32 *num_domains,
6039 struct trustdom_info ***domains)
6040 {
6041 int rc;
6042 struct ldapsam_privates *ldap_state =
6043 (struct ldapsam_privates *)methods->private_data;
6044 char *filter;
6045 int scope = LDAP_SCOPE_SUBTREE;
6046 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6047 int attrsonly = 0; /* 0: return values too */
6048 LDAPMessage *result = NULL;
6049 LDAPMessage *entry = NULL;
6050
6051 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6052 LDAP_OBJ_TRUSTDOM_PASSWORD);
6053
6054 rc = smbldap_search(ldap_state->smbldap_state,
6055 ldap_state->domain_dn,
6056 scope,
6057 filter,
6058 attrs,
6059 attrsonly,
6060 &result);
6061
6062 if (rc != LDAP_SUCCESS) {
6063 return NT_STATUS_UNSUCCESSFUL;
6064 }
6065
6066 *num_domains = 0;
6067 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6068 DEBUG(1, ("talloc failed\n"));
6069 return NT_STATUS_NO_MEMORY;
6070 }
6071
6072 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6073 entry != NULL;
6074 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6075 {
6076 char *dom_name, *dom_sid_str;
6077 struct trustdom_info *dom_info;
6078
6079 dom_info = TALLOC_P(*domains, struct trustdom_info);
6080 if (dom_info == NULL) {
6081 DEBUG(1, ("talloc failed\n"));
6082 return NT_STATUS_NO_MEMORY;
6083 }
6084
6085 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6086 entry,
6087 "sambaDomainName",
6088 talloc_tos());
6089 if (dom_name == NULL) {
6090 DEBUG(1, ("talloc failed\n"));
6091 return NT_STATUS_NO_MEMORY;
6092 }
6093 dom_info->name = dom_name;
6094
6095 dom_sid_str = smbldap_talloc_single_attribute(
6096 priv2ld(ldap_state), entry, "sambaSID",
6097 talloc_tos());
6098 if (dom_sid_str == NULL) {
6099 DEBUG(1, ("talloc failed\n"));
6100 return NT_STATUS_NO_MEMORY;
6101 }
6102 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6103 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6104 dom_sid_str));
6105 return NT_STATUS_UNSUCCESSFUL;
6106 }
6107
6108 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6109 domains, num_domains);
6110
6111 if (*domains == NULL) {
6112 DEBUG(1, ("talloc failed\n"));
6113 return NT_STATUS_NO_MEMORY;
6114 }
6115 }
6116
6117 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6118 return NT_STATUS_OK;
6119 }
6120
6121
6122 /**********************************************************************
6123 Housekeeping
6124 *********************************************************************/
6125
6126 static void free_private_data(void **vp)
6127 {
6128 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6129
6130 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6131
6132 if ((*ldap_state)->result != NULL) {
6133 ldap_msgfree((*ldap_state)->result);
6134 (*ldap_state)->result = NULL;
6135 }
6136 if ((*ldap_state)->domain_dn != NULL) {
6137 SAFE_FREE((*ldap_state)->domain_dn);
6138 }
6139
6140 *ldap_state = NULL;
6141
6142 /* No need to free any further, as it is talloc()ed */
6143 }
6144
6145 /*********************************************************************
6146 Intitalise the parts of the pdb_methods structure that are common to
6147 all pdb_ldap modes
6148 *********************************************************************/
6149
6150 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6151 {
6152 NTSTATUS nt_status;
6153 struct ldapsam_privates *ldap_state;
6154
6155 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6156 return nt_status;
6157 }
6158
6159 (*pdb_method)->name = "ldapsam";
6160
6161 (*pdb_method)->setsampwent = ldapsam_setsampwent;
6162 (*pdb_method)->endsampwent = ldapsam_endsampwent;
6163 (*pdb_method)->getsampwent = ldapsam_getsampwent;
6164 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6165 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6166 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6167 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6168 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6169 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6170
6171 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6172 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6173 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6174 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6175 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6176 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6177 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6178
6179 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6180 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6181
6182 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6183
6184 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6185 (*pdb_method)->new_rid = ldapsam_new_rid;
6186
6187 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6188 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6189 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6190 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6191
6192 /* TODO: Setup private data and free */
6193
6194 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6195 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6196 return NT_STATUS_NO_MEMORY;
6197 }
6198
6199 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6200 location, &ldap_state->smbldap_state);
6201
6202 if ( !NT_STATUS_IS_OK(nt_status) ) {
6203 return nt_status;
6204 }
6205
6206 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6207 return NT_STATUS_NO_MEMORY;
6208 }
6209
6210 (*pdb_method)->private_data = ldap_state;
6211
6212 (*pdb_method)->free_private_data = free_private_data;
6213
6214 return NT_STATUS_OK;
6215 }
6216
6217 /**********************************************************************
6218 Initialise the 'compat' mode for pdb_ldap
6219 *********************************************************************/
6220
6221 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6222 {
6223 NTSTATUS nt_status;
6224 struct ldapsam_privates *ldap_state;
6225 char *uri = talloc_strdup( NULL, location );
6226
6227 trim_char( uri, '\"', '\"' );
6228 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6229 if ( uri )
6230 TALLOC_FREE( uri );
6231
6232 if ( !NT_STATUS_IS_OK(nt_status) ) {
6233 return nt_status;
6234 }
6235
6236 (*pdb_method)->name = "ldapsam_compat";
6237
6238 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6239 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6240
6241 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6242
6243 return NT_STATUS_OK;
6244 }
6245
6246 /**********************************************************************
6247 Initialise the normal mode for pdb_ldap
6248 *********************************************************************/
6249
6250 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6251 {
6252 NTSTATUS nt_status;
6253 struct ldapsam_privates *ldap_state = NULL;
6254 uint32 alg_rid_base;
6255 char *alg_rid_base_string = NULL;
6256 LDAPMessage *result = NULL;
6257 LDAPMessage *entry = NULL;
6258 DOM_SID ldap_domain_sid;
6259 DOM_SID secrets_domain_sid;
6260 char *domain_sid_string = NULL;
6261 char *dn = NULL;
6262 char *uri = talloc_strdup( NULL, location );
6263
6264 trim_char( uri, '\"', '\"' );
6265 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6266 if (uri) {
6267 TALLOC_FREE(uri);
6268 }
6269
6270 if (!NT_STATUS_IS_OK(nt_status)) {
6271 return nt_status;
6272 }
6273
6274 (*pdb_method)->name = "ldapsam";
6275
6276 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6277 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6278 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6279 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6280 (*pdb_method)->search_users = ldapsam_search_users;
6281 (*pdb_method)->search_groups = ldapsam_search_groups;
6282 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6283
6284 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6285 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6286 (*pdb_method)->enum_group_memberships =
6287 ldapsam_enum_group_memberships;
6288 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6289 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6290
6291 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6292 (*pdb_method)->create_user = ldapsam_create_user;
6293 (*pdb_method)->delete_user = ldapsam_delete_user;
6294 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6295 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6296 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6297 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6298 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6299 }
6300 }
6301
6302 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6303 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6304
6305 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6306
6307 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6308 &result,
6309 ldap_state->domain_name, True);
6310
6311 if ( !NT_STATUS_IS_OK(nt_status) ) {
6312 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6313 "info, nor add one to the domain\n"));
6314 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6315 "will be unable to allocate new users/groups, "
6316 "and will risk BDCs having inconsistant SIDs\n"));
6317 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6318 return NT_STATUS_OK;
6319 }
6320
6321 /* Given that the above might fail, everything below this must be
6322 * optional */
6323
6324 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6325 result);
6326 if (!entry) {
6327 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6328 "entry\n"));
6329 ldap_msgfree(result);
6330 return NT_STATUS_UNSUCCESSFUL;
6331 }
6332
6333 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6334 if (!dn) {
6335 ldap_msgfree(result);
6336 return NT_STATUS_UNSUCCESSFUL;
6337 }
6338
6339 ldap_state->domain_dn = smb_xstrdup(dn);
6340 ldap_memfree(dn);
6341
6342 domain_sid_string = smbldap_talloc_single_attribute(
6343 ldap_state->smbldap_state->ldap_struct,
6344 entry,
6345 get_userattr_key2string(ldap_state->schema_ver,
6346 LDAP_ATTR_USER_SID),
6347 NULL);
6348
6349 if (domain_sid_string) {
6350 bool found_sid;
6351 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6352 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6353 "read as a valid SID\n", domain_sid_string));
6354 ldap_msgfree(result);
6355 TALLOC_FREE(domain_sid_string);
6356 return NT_STATUS_INVALID_PARAMETER;
6357 }
6358 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6359 &secrets_domain_sid);
6360 if (!found_sid || !sid_equal(&secrets_domain_sid,
6361 &ldap_domain_sid)) {
6362 fstring new_sid_str, old_sid_str;
6363 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6364 "%s based on pdb_ldap results %s -> %s\n",
6365 ldap_state->domain_name,
6366 sid_to_string(old_sid_str,
6367 &secrets_domain_sid),
6368 sid_to_string(new_sid_str,
6369 &ldap_domain_sid)));
6370
6371 /* reset secrets.tdb sid */
6372 secrets_store_domain_sid(ldap_state->domain_name,
6373 &ldap_domain_sid);
6374 DEBUG(1, ("New global sam SID: %s\n",
6375 sid_to_string(new_sid_str,
6376 get_global_sam_sid())));
6377 }
6378 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6379 TALLOC_FREE(domain_sid_string);
6380 }
6381
6382 alg_rid_base_string = smbldap_talloc_single_attribute(
6383 ldap_state->smbldap_state->ldap_struct,
6384 entry,
6385 get_attr_key2string( dominfo_attr_list,
6386 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6387 NULL);
6388 if (alg_rid_base_string) {
6389 alg_rid_base = (uint32)atol(alg_rid_base_string);
6390 if (alg_rid_base != algorithmic_rid_base()) {
6391 DEBUG(0, ("The value of 'algorithmic RID base' has "
6392 "changed since the LDAP\n"
6393 "database was initialised. Aborting. \n"));
6394 ldap_msgfree(result);
6395 TALLOC_FREE(alg_rid_base_string);
6396 return NT_STATUS_UNSUCCESSFUL;
6397 }
6398 TALLOC_FREE(alg_rid_base_string);
6399 }
6400 ldap_msgfree(result);
6401
6402 return NT_STATUS_OK;
6403 }
6404
6405 NTSTATUS pdb_ldap_init(void)
6406 {
6407 NTSTATUS nt_status;
6408 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6409 return nt_status;
6410
6411 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6412 return nt_status;
6413
6414 /* Let pdb_nds register backends */
6415 pdb_nds_init();
6416
6417 return NT_STATUS_OK;
6418 }
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