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[Samba/gbeck.git] / source3 / passdb / pdb_ldap.c
blobd1d36115df72a135183c34b6854de30a9ed4bf65
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
844 if (user_dn != NULL) {
845 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
846
847 pwd_len = sizeof(clear_text_pw);
848 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
849 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
850 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
851 TALLOC_FREE(user_dn);
852 return False;
853 }
854 ZERO_STRUCT(smblmpwd);
855 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
856 TALLOC_FREE(user_dn);
857 return False;
858 }
859 ZERO_STRUCT(smbntpwd);
860 use_samba_attrs = False;
861 }
862
863 TALLOC_FREE(user_dn);
864
865 } else {
866 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
867 }
868 }
869
870 if (use_samba_attrs) {
871 temp = smbldap_talloc_single_attribute(
872 ldap_state->smbldap_state->ldap_struct,
873 entry,
874 get_userattr_key2string(ldap_state->schema_ver,
875 LDAP_ATTR_LMPW),
876 ctx);
877 if (temp) {
878 pdb_gethexpwd(temp, smblmpwd);
879 memset((char *)temp, '\0', strlen(temp)+1);
880 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
881 goto fn_exit;
882 }
883 ZERO_STRUCT(smblmpwd);
884 }
885
886 temp = smbldap_talloc_single_attribute(
887 ldap_state->smbldap_state->ldap_struct,
888 entry,
889 get_userattr_key2string(ldap_state->schema_ver,
890 LDAP_ATTR_NTPW),
891 ctx);
892 if (temp) {
893 pdb_gethexpwd(temp, smbntpwd);
894 memset((char *)temp, '\0', strlen(temp)+1);
895 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
896 goto fn_exit;
897 }
898 ZERO_STRUCT(smbntpwd);
899 }
900 }
901
902 pwHistLen = 0;
903
904 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
905 if (pwHistLen > 0){
906 uint8 *pwhist = NULL;
907 int i;
908 char *history_string = TALLOC_ARRAY(ctx, char,
909 MAX_PW_HISTORY_LEN*64);
910
911 if (!history_string) {
912 goto fn_exit;
913 }
914
915 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
916
917 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
918 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
919 NULL){
920 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
921 goto fn_exit;
922 }
923 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
924
925 if (smbldap_get_single_attribute(
926 ldap_state->smbldap_state->ldap_struct,
927 entry,
928 get_userattr_key2string(ldap_state->schema_ver,
929 LDAP_ATTR_PWD_HISTORY),
930 history_string,
931 MAX_PW_HISTORY_LEN*64)) {
932 bool hex_failed = false;
933 for (i = 0; i < pwHistLen; i++){
934 /* Get the 16 byte salt. */
935 if (!pdb_gethexpwd(&history_string[i*64],
936 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
937 hex_failed = true;
938 break;
939 }
940 /* Get the 16 byte MD5 hash of salt+passwd. */
941 if (!pdb_gethexpwd(&history_string[(i*64)+32],
942 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
943 PW_HISTORY_SALT_LEN])) {
944 hex_failed = True;
945 break;
946 }
947 }
948 if (hex_failed) {
949 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
950 username));
951 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
952 }
953 }
954 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
955 goto fn_exit;
956 }
957 }
958
959 temp = smbldap_talloc_single_attribute(
960 ldap_state->smbldap_state->ldap_struct,
961 entry,
962 get_userattr_key2string(ldap_state->schema_ver,
963 LDAP_ATTR_ACB_INFO),
964 ctx);
965 if (temp) {
966 acct_ctrl = pdb_decode_acct_ctrl(temp);
967
968 if (acct_ctrl == 0) {
969 acct_ctrl |= ACB_NORMAL;
970 }
971
972 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
973 } else {
974 acct_ctrl |= ACB_NORMAL;
975 }
976
977 pdb_set_hours_len(sampass, hours_len, PDB_SET);
978 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
979
980 temp = smbldap_talloc_single_attribute(
981 ldap_state->smbldap_state->ldap_struct,
982 entry,
983 get_userattr_key2string(ldap_state->schema_ver,
984 LDAP_ATTR_BAD_PASSWORD_COUNT),
985 ctx);
986 if (temp) {
987 bad_password_count = (uint32) atol(temp);
988 pdb_set_bad_password_count(sampass,
989 bad_password_count, PDB_SET);
990 }
991
992 temp = smbldap_talloc_single_attribute(
993 ldap_state->smbldap_state->ldap_struct,
994 entry,
995 get_userattr_key2string(ldap_state->schema_ver,
996 LDAP_ATTR_BAD_PASSWORD_TIME),
997 ctx);
998 if (temp) {
999 bad_password_time = (time_t) atol(temp);
1000 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1001 }
1002
1003
1004 temp = smbldap_talloc_single_attribute(
1005 ldap_state->smbldap_state->ldap_struct,
1006 entry,
1007 get_userattr_key2string(ldap_state->schema_ver,
1008 LDAP_ATTR_LOGON_COUNT),
1009 ctx);
1010 if (temp) {
1011 logon_count = (uint32) atol(temp);
1012 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1013 }
1014
1015 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1016
1017 temp = smbldap_talloc_single_attribute(
1018 ldap_state->smbldap_state->ldap_struct,
1019 entry,
1020 get_userattr_key2string(ldap_state->schema_ver,
1021 LDAP_ATTR_LOGON_HOURS),
1022 ctx);
1023 if (temp) {
1024 pdb_gethexhours(temp, hours);
1025 memset((char *)temp, '\0', strlen(temp) +1);
1026 pdb_set_hours(sampass, hours, PDB_SET);
1027 ZERO_STRUCT(hours);
1028 }
1029
1030 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1031 temp = smbldap_talloc_single_attribute(
1032 priv2ld(ldap_state),
1033 entry,
1034 "uidNumber",
1035 ctx);
1036 if (temp) {
1037 /* We've got a uid, feed the cache */
1038 uid_t uid = strtoul(temp, NULL, 10);
1039 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1040 }
1041 }
1042
1043 /* check the timestamp of the cache vs ldap entry */
1044 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1045 entry))) {
1046 ret = true;
1047 goto fn_exit;
1048 }
1049
1050 /* see if we have newer updates */
1051 if (!(cache_entry = login_cache_read(sampass))) {
1052 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1053 (unsigned int)pdb_get_bad_password_count(sampass),
1054 (unsigned int)pdb_get_bad_password_time(sampass)));
1055 ret = true;
1056 goto fn_exit;
1057 }
1058
1059 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1060 (unsigned int)ldap_entry_time,
1061 (unsigned int)cache_entry->entry_timestamp,
1062 (unsigned int)cache_entry->bad_password_time));
1063
1064 if (ldap_entry_time > cache_entry->entry_timestamp) {
1065 /* cache is older than directory , so
1066 we need to delete the entry but allow the
1067 fields to be written out */
1068 login_cache_delentry(sampass);
1069 } else {
1070 /* read cache in */
1071 pdb_set_acct_ctrl(sampass,
1072 pdb_get_acct_ctrl(sampass) |
1073 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1074 PDB_SET);
1075 pdb_set_bad_password_count(sampass,
1076 cache_entry->bad_password_count,
1077 PDB_SET);
1078 pdb_set_bad_password_time(sampass,
1079 cache_entry->bad_password_time,
1080 PDB_SET);
1081 }
1082
1083 ret = true;
1084
1085 fn_exit:
1086
1087 TALLOC_FREE(ctx);
1088 SAFE_FREE(cache_entry);
1089 return ret;
1090 }
1091
1092 /**********************************************************************
1093 Initialize the ldap db from a struct samu. Called on update.
1094 (Based on init_buffer_from_sam in pdb_tdb.c)
1095 *********************************************************************/
1096
1097 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1098 LDAPMessage *existing,
1099 LDAPMod *** mods, struct samu * sampass,
1100 bool (*need_update)(const struct samu *,
1101 enum pdb_elements))
1102 {
1103 char *temp = NULL;
1104 uint32 rid;
1105
1106 if (mods == NULL || sampass == NULL) {
1107 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1108 return False;
1109 }
1110
1111 *mods = NULL;
1112
1113 /*
1114 * took out adding "objectclass: sambaAccount"
1115 * do this on a per-mod basis
1116 */
1117 if (need_update(sampass, PDB_USERNAME)) {
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 "uid", pdb_get_username(sampass));
1120 if (ldap_state->is_nds_ldap) {
1121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1122 "cn", pdb_get_username(sampass));
1123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1124 "sn", pdb_get_username(sampass));
1125 }
1126 }
1127
1128 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1129
1130 /* only update the RID if we actually need to */
1131 if (need_update(sampass, PDB_USERSID)) {
1132 fstring sid_string;
1133 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1134
1135 switch ( ldap_state->schema_ver ) {
1136 case SCHEMAVER_SAMBAACCOUNT:
1137 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1138 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1139 sid_string_dbg(user_sid),
1140 sid_string_dbg(
1141 &ldap_state->domain_sid)));
1142 return False;
1143 }
1144 if (asprintf(&temp, "%i", rid) < 0) {
1145 return false;
1146 }
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1149 temp);
1150 SAFE_FREE(temp);
1151 break;
1152
1153 case SCHEMAVER_SAMBASAMACCOUNT:
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1156 sid_to_fstring(sid_string, user_sid));
1157 break;
1158
1159 default:
1160 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1161 break;
1162 }
1163 }
1164
1165 /* we don't need to store the primary group RID - so leaving it
1166 'free' to hang off the unix primary group makes life easier */
1167
1168 if (need_update(sampass, PDB_GROUPSID)) {
1169 fstring sid_string;
1170 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1171
1172 switch ( ldap_state->schema_ver ) {
1173 case SCHEMAVER_SAMBAACCOUNT:
1174 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1175 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1176 sid_string_dbg(group_sid),
1177 sid_string_dbg(
1178 &ldap_state->domain_sid)));
1179 return False;
1180 }
1181
1182 if (asprintf(&temp, "%i", rid) < 0) {
1183 return false;
1184 }
1185 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1188 SAFE_FREE(temp);
1189 break;
1190
1191 case SCHEMAVER_SAMBASAMACCOUNT:
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 get_userattr_key2string(ldap_state->schema_ver,
1194 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1195 break;
1196
1197 default:
1198 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1199 break;
1200 }
1201
1202 }
1203
1204 /* displayName, cn, and gecos should all be the same
1205 * most easily accomplished by giving them the same OID
1206 * gecos isn't set here b/c it should be handled by the
1207 * add-user script
1208 * We change displayName only and fall back to cn if
1209 * it does not exist.
1210 */
1211
1212 if (need_update(sampass, PDB_FULLNAME))
1213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1214 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1215 pdb_get_fullname(sampass));
1216
1217 if (need_update(sampass, PDB_ACCTDESC))
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1220 pdb_get_acct_desc(sampass));
1221
1222 if (need_update(sampass, PDB_WORKSTATIONS))
1223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1224 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1225 pdb_get_workstations(sampass));
1226
1227 if (need_update(sampass, PDB_MUNGEDDIAL))
1228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1229 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1230 pdb_get_munged_dial(sampass));
1231
1232 if (need_update(sampass, PDB_SMBHOME))
1233 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1234 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1235 pdb_get_homedir(sampass));
1236
1237 if (need_update(sampass, PDB_DRIVE))
1238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1239 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1240 pdb_get_dir_drive(sampass));
1241
1242 if (need_update(sampass, PDB_LOGONSCRIPT))
1243 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1244 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1245 pdb_get_logon_script(sampass));
1246
1247 if (need_update(sampass, PDB_PROFILE))
1248 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1249 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1250 pdb_get_profile_path(sampass));
1251
1252 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1253 return false;
1254 }
1255 if (need_update(sampass, PDB_LOGONTIME))
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1258 SAFE_FREE(temp);
1259
1260 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1261 return false;
1262 }
1263 if (need_update(sampass, PDB_LOGOFFTIME))
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1266 SAFE_FREE(temp);
1267
1268 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1269 return false;
1270 }
1271 if (need_update(sampass, PDB_KICKOFFTIME))
1272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1274 SAFE_FREE(temp);
1275
1276 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1277 return false;
1278 }
1279 if (need_update(sampass, PDB_CANCHANGETIME))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1282 SAFE_FREE(temp);
1283
1284 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1285 return false;
1286 }
1287 if (need_update(sampass, PDB_MUSTCHANGETIME))
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1290 SAFE_FREE(temp);
1291
1292 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1293 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1294
1295 if (need_update(sampass, PDB_LMPASSWD)) {
1296 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1297 if (lm_pw) {
1298 char pwstr[34];
1299 pdb_sethexpwd(pwstr, lm_pw,
1300 pdb_get_acct_ctrl(sampass));
1301 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1302 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1303 pwstr);
1304 } else {
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1307 NULL);
1308 }
1309 }
1310 if (need_update(sampass, PDB_NTPASSWD)) {
1311 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1312 if (nt_pw) {
1313 char pwstr[34];
1314 pdb_sethexpwd(pwstr, nt_pw,
1315 pdb_get_acct_ctrl(sampass));
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1318 pwstr);
1319 } else {
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1322 NULL);
1323 }
1324 }
1325
1326 if (need_update(sampass, PDB_PWHISTORY)) {
1327 char *pwstr = NULL;
1328 uint32 pwHistLen = 0;
1329 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1330
1331 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1332 if (!pwstr) {
1333 return false;
1334 }
1335 if (pwHistLen == 0) {
1336 /* Remove any password history from the LDAP store. */
1337 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1338 pwstr[64] = '\0';
1339 } else {
1340 int i;
1341 uint32 currHistLen = 0;
1342 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1343 if (pwhist != NULL) {
1344 /* We can only store (1024-1/64 password history entries. */
1345 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1346 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1347 /* Store the salt. */
1348 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1349 /* Followed by the md5 hash of salt + md4 hash */
1350 pdb_sethexpwd(&pwstr[(i*64)+32],
1351 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1352 DEBUG(100, ("pwstr=%s\n", pwstr));
1353 }
1354 }
1355 }
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1358 pwstr);
1359 SAFE_FREE(pwstr);
1360 }
1361
1362 if (need_update(sampass, PDB_PASSLASTSET)) {
1363 if (asprintf(&temp, "%li",
1364 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1365 return false;
1366 }
1367 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1368 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1369 temp);
1370 SAFE_FREE(temp);
1371 }
1372 }
1373
1374 if (need_update(sampass, PDB_HOURS)) {
1375 const uint8 *hours = pdb_get_hours(sampass);
1376 if (hours) {
1377 char hourstr[44];
1378 pdb_sethexhours(hourstr, hours);
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1380 existing,
1381 mods,
1382 get_userattr_key2string(ldap_state->schema_ver,
1383 LDAP_ATTR_LOGON_HOURS),
1384 hourstr);
1385 }
1386 }
1387
1388 if (need_update(sampass, PDB_ACCTCTRL))
1389 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1390 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1391 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1392
1393 /* password lockout cache:
1394 - If we are now autolocking or clearing, we write to ldap
1395 - If we are clearing, we delete the cache entry
1396 - If the count is > 0, we update the cache
1397
1398 This even means when autolocking, we cache, just in case the
1399 update doesn't work, and we have to cache the autolock flag */
1400
1401 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1402 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1403 uint16 badcount = pdb_get_bad_password_count(sampass);
1404 time_t badtime = pdb_get_bad_password_time(sampass);
1405 uint32 pol;
1406 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1407
1408 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1409 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1410
1411 if ((badcount >= pol) || (badcount == 0)) {
1412 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1413 (unsigned int)badcount, (unsigned int)badtime));
1414 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1415 return false;
1416 }
1417 smbldap_make_mod(
1418 ldap_state->smbldap_state->ldap_struct,
1419 existing, mods,
1420 get_userattr_key2string(
1421 ldap_state->schema_ver,
1422 LDAP_ATTR_BAD_PASSWORD_COUNT),
1423 temp);
1424 SAFE_FREE(temp);
1425
1426 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1427 return false;
1428 }
1429 smbldap_make_mod(
1430 ldap_state->smbldap_state->ldap_struct,
1431 existing, mods,
1432 get_userattr_key2string(
1433 ldap_state->schema_ver,
1434 LDAP_ATTR_BAD_PASSWORD_TIME),
1435 temp);
1436 SAFE_FREE(temp);
1437 }
1438 if (badcount == 0) {
1439 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1440 login_cache_delentry(sampass);
1441 } else {
1442 LOGIN_CACHE cache_entry;
1443
1444 cache_entry.entry_timestamp = time(NULL);
1445 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1446 cache_entry.bad_password_count = badcount;
1447 cache_entry.bad_password_time = badtime;
1448
1449 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1450 login_cache_write(sampass, cache_entry);
1451 }
1452 }
1453
1454 return True;
1455 }
1456
1457 /**********************************************************************
1458 End enumeration of the LDAP password list.
1459 *********************************************************************/
1460
1461 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1462 {
1463 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1464 if (ldap_state->result) {
1465 ldap_msgfree(ldap_state->result);
1466 ldap_state->result = NULL;
1467 }
1468 }
1469
1470 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1471 const char *new_attr)
1472 {
1473 int i;
1474
1475 if (new_attr == NULL) {
1476 return;
1477 }
1478
1479 for (i=0; (*attr_list)[i] != NULL; i++) {
1480 ;
1481 }
1482
1483 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1484 const char *, i+2);
1485 SMB_ASSERT((*attr_list) != NULL);
1486 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1487 (*attr_list)[i+1] = NULL;
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 append_attr(user, &attr_list, "uidNumber");
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const DOM_SID *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32 rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 append_attr(tmp_ctx, &attr_list, "uidNumber");
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 case SCHEMAVER_SAMBAACCOUNT:
1576 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1577 return rc;
1578 }
1579
1580 attr_list = get_userattr_list(NULL,
1581 ldap_state->schema_ver);
1582 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1583 TALLOC_FREE( attr_list );
1584
1585 if ( rc != LDAP_SUCCESS )
1586 return rc;
1587 break;
1588 }
1589 return rc;
1590 }
1591
1592 /**********************************************************************
1593 Get struct samu entry from LDAP by SID.
1594 *********************************************************************/
1595
1596 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1597 {
1598 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1599 LDAPMessage *result = NULL;
1600 LDAPMessage *entry = NULL;
1601 int count;
1602 int rc;
1603
1604 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1605 sid, &result);
1606 if (rc != LDAP_SUCCESS)
1607 return NT_STATUS_NO_SUCH_USER;
1608
1609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1610
1611 if (count < 1) {
1612 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1613 "count=%d\n", sid_string_dbg(sid), count));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 } else if (count > 1) {
1617 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1618 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1619 count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (!entry) {
1626 ldap_msgfree(result);
1627 return NT_STATUS_NO_SUCH_USER;
1628 }
1629
1630 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1631 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1632 ldap_msgfree(result);
1633 return NT_STATUS_NO_SUCH_USER;
1634 }
1635
1636 pdb_set_backend_private_data(user, result, NULL,
1637 my_methods, PDB_CHANGED);
1638 talloc_autofree_ldapmsg(user, result);
1639 return NT_STATUS_OK;
1640 }
1641
1642 /********************************************************************
1643 Do the actual modification - also change a plaintext passord if
1644 it it set.
1645 **********************************************************************/
1646
1647 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1648 struct samu *newpwd, char *dn,
1649 LDAPMod **mods, int ldap_op,
1650 bool (*need_update)(const struct samu *, enum pdb_elements))
1651 {
1652 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1653 int rc;
1654
1655 if (!newpwd || !dn) {
1656 return NT_STATUS_INVALID_PARAMETER;
1657 }
1658
1659 if (!mods) {
1660 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1661 /* may be password change below however */
1662 } else {
1663 switch(ldap_op) {
1664 case LDAP_MOD_ADD:
1665 if (ldap_state->is_nds_ldap) {
1666 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1667 "objectclass",
1668 "inetOrgPerson");
1669 } else {
1670 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1671 "objectclass",
1672 LDAP_OBJ_ACCOUNT);
1673 }
1674 rc = smbldap_add(ldap_state->smbldap_state,
1675 dn, mods);
1676 break;
1677 case LDAP_MOD_REPLACE:
1678 rc = smbldap_modify(ldap_state->smbldap_state,
1679 dn ,mods);
1680 break;
1681 default:
1682 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1683 ldap_op));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 if (rc!=LDAP_SUCCESS) {
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690 }
1691
1692 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1693 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1694 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1695 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1696 BerElement *ber;
1697 struct berval *bv;
1698 char *retoid = NULL;
1699 struct berval *retdata = NULL;
1700 char *utf8_password;
1701 char *utf8_dn;
1702 size_t converted_size;
1703 int ret;
1704
1705 if (!ldap_state->is_nds_ldap) {
1706
1707 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1708 LDAP_EXOP_MODIFY_PASSWD)) {
1709 DEBUG(2, ("ldap password change requested, but LDAP "
1710 "server does not support it -- ignoring\n"));
1711 return NT_STATUS_OK;
1712 }
1713 }
1714
1715 if (!push_utf8_allocate(&utf8_password,
1716 pdb_get_plaintext_passwd(newpwd),
1717 &converted_size))
1718 {
1719 return NT_STATUS_NO_MEMORY;
1720 }
1721
1722 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1723 SAFE_FREE(utf8_password);
1724 return NT_STATUS_NO_MEMORY;
1725 }
1726
1727 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1728 DEBUG(0,("ber_alloc_t returns NULL\n"));
1729 SAFE_FREE(utf8_password);
1730 SAFE_FREE(utf8_dn);
1731 return NT_STATUS_UNSUCCESSFUL;
1732 }
1733
1734 if ((ber_printf (ber, "{") < 0) ||
1735 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1736 utf8_dn) < 0)) {
1737 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1738 "value <0\n"));
1739 ber_free(ber,1);
1740 SAFE_FREE(utf8_dn);
1741 SAFE_FREE(utf8_password);
1742 return NT_STATUS_UNSUCCESSFUL;
1743 }
1744
1745 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1746 ret = ber_printf(ber, "ts}",
1747 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1748 utf8_password);
1749 } else {
1750 ret = ber_printf(ber, "}");
1751 }
1752
1753 if (ret < 0) {
1754 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1755 "value <0\n"));
1756 ber_free(ber,1);
1757 SAFE_FREE(utf8_dn);
1758 SAFE_FREE(utf8_password);
1759 return NT_STATUS_UNSUCCESSFUL;
1760 }
1761
1762 if ((rc = ber_flatten (ber, &bv))<0) {
1763 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1764 ber_free(ber,1);
1765 SAFE_FREE(utf8_dn);
1766 SAFE_FREE(utf8_password);
1767 return NT_STATUS_UNSUCCESSFUL;
1768 }
1769
1770 SAFE_FREE(utf8_dn);
1771 SAFE_FREE(utf8_password);
1772 ber_free(ber, 1);
1773
1774 if (!ldap_state->is_nds_ldap) {
1775 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1776 LDAP_EXOP_MODIFY_PASSWD,
1777 bv, NULL, NULL, &retoid,
1778 &retdata);
1779 } else {
1780 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1781 pdb_get_plaintext_passwd(newpwd));
1782 }
1783 if (rc != LDAP_SUCCESS) {
1784 char *ld_error = NULL;
1785
1786 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1787 DEBUG(3, ("Could not set userPassword "
1788 "attribute due to an objectClass "
1789 "violation -- ignoring\n"));
1790 ber_bvfree(bv);
1791 return NT_STATUS_OK;
1792 }
1793
1794 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1795 &ld_error);
1796 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1797 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1798 SAFE_FREE(ld_error);
1799 ber_bvfree(bv);
1800 #if defined(LDAP_CONSTRAINT_VIOLATION)
1801 if (rc == LDAP_CONSTRAINT_VIOLATION)
1802 return NT_STATUS_PASSWORD_RESTRICTION;
1803 #endif
1804 return NT_STATUS_UNSUCCESSFUL;
1805 } else {
1806 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1807 #ifdef DEBUG_PASSWORD
1808 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1809 #endif
1810 if (retdata)
1811 ber_bvfree(retdata);
1812 if (retoid)
1813 ldap_memfree(retoid);
1814 }
1815 ber_bvfree(bv);
1816 }
1817 return NT_STATUS_OK;
1818 }
1819
1820 /**********************************************************************
1821 Delete entry from LDAP for username.
1822 *********************************************************************/
1823
1824 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1825 struct samu * sam_acct)
1826 {
1827 struct ldapsam_privates *priv =
1828 (struct ldapsam_privates *)my_methods->private_data;
1829 const char *sname;
1830 int rc;
1831 LDAPMessage *msg, *entry;
1832 NTSTATUS result = NT_STATUS_NO_MEMORY;
1833 const char **attr_list;
1834 TALLOC_CTX *mem_ctx;
1835
1836 if (!sam_acct) {
1837 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1838 return NT_STATUS_INVALID_PARAMETER;
1839 }
1840
1841 sname = pdb_get_username(sam_acct);
1842
1843 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1844 "LDAP.\n", sname));
1845
1846 mem_ctx = talloc_new(NULL);
1847 if (mem_ctx == NULL) {
1848 DEBUG(0, ("talloc_new failed\n"));
1849 goto done;
1850 }
1851
1852 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1853 if (attr_list == NULL) {
1854 goto done;
1855 }
1856
1857 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1858
1859 if ((rc != LDAP_SUCCESS) ||
1860 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1861 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1862 DEBUG(5, ("Could not find user %s\n", sname));
1863 result = NT_STATUS_NO_SUCH_USER;
1864 goto done;
1865 }
1866
1867 rc = ldapsam_delete_entry(
1868 priv, mem_ctx, entry,
1869 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1870 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1871 attr_list);
1872
1873 result = (rc == LDAP_SUCCESS) ?
1874 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1875
1876 done:
1877 TALLOC_FREE(mem_ctx);
1878 return result;
1879 }
1880
1881 /**********************************************************************
1882 Helper function to determine for update_sam_account whether
1883 we need LDAP modification.
1884 *********************************************************************/
1885
1886 static bool element_is_changed(const struct samu *sampass,
1887 enum pdb_elements element)
1888 {
1889 return IS_SAM_CHANGED(sampass, element);
1890 }
1891
1892 /**********************************************************************
1893 Update struct samu.
1894 *********************************************************************/
1895
1896 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1897 {
1898 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1899 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1900 int rc = 0;
1901 char *dn;
1902 LDAPMessage *result = NULL;
1903 LDAPMessage *entry = NULL;
1904 LDAPMod **mods = NULL;
1905 const char **attr_list;
1906
1907 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1908 if (!result) {
1909 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1910 if (pdb_get_username(newpwd) == NULL) {
1911 return NT_STATUS_INVALID_PARAMETER;
1912 }
1913 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1914 TALLOC_FREE( attr_list );
1915 if (rc != LDAP_SUCCESS) {
1916 return NT_STATUS_UNSUCCESSFUL;
1917 }
1918 pdb_set_backend_private_data(newpwd, result, NULL,
1919 my_methods, PDB_CHANGED);
1920 talloc_autofree_ldapmsg(newpwd, result);
1921 }
1922
1923 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1924 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1925 return NT_STATUS_UNSUCCESSFUL;
1926 }
1927
1928 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1929 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1930 if (!dn) {
1931 return NT_STATUS_UNSUCCESSFUL;
1932 }
1933
1934 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1935
1936 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1937 element_is_changed)) {
1938 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1939 TALLOC_FREE(dn);
1940 if (mods != NULL)
1941 ldap_mods_free(mods,True);
1942 return NT_STATUS_UNSUCCESSFUL;
1943 }
1944
1945 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1946 && (mods == NULL)) {
1947 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1948 pdb_get_username(newpwd)));
1949 TALLOC_FREE(dn);
1950 return NT_STATUS_OK;
1951 }
1952
1953 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1954
1955 if (mods != NULL) {
1956 ldap_mods_free(mods,True);
1957 }
1958
1959 TALLOC_FREE(dn);
1960
1961 /*
1962 * We need to set the backend private data to NULL here. For example
1963 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1964 * same one, and with the explicit delete / add logic for attribute
1965 * values the second time we would use the wrong "old" value which
1966 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1967 * the update.
1968 * The existing LDAPMessage is still being auto-freed by the
1969 * destructor.
1970 */
1971 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1972 PDB_CHANGED);
1973
1974 if (!NT_STATUS_IS_OK(ret)) {
1975 return ret;
1976 }
1977
1978 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1979 pdb_get_username(newpwd)));
1980 return NT_STATUS_OK;
1981 }
1982
1983 /***************************************************************************
1984 Renames a struct samu
1985 - The "rename user script" has full responsibility for changing everything
1986 ***************************************************************************/
1987
1988 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1989 struct samu *old_acct,
1990 const char *newname)
1991 {
1992 const char *oldname;
1993 int rc;
1994 char *rename_script = NULL;
1995 fstring oldname_lower, newname_lower;
1996
1997 if (!old_acct) {
1998 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1999 return NT_STATUS_INVALID_PARAMETER;
2000 }
2001 if (!newname) {
2002 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2003 return NT_STATUS_INVALID_PARAMETER;
2004 }
2005
2006 oldname = pdb_get_username(old_acct);
2007
2008 /* rename the posix user */
2009 rename_script = SMB_STRDUP(lp_renameuser_script());
2010 if (rename_script == NULL) {
2011 return NT_STATUS_NO_MEMORY;
2012 }
2013
2014 if (!(*rename_script)) {
2015 SAFE_FREE(rename_script);
2016 return NT_STATUS_ACCESS_DENIED;
2017 }
2018
2019 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2020 oldname, newname));
2021
2022 /* We have to allow the account name to end with a '$'.
2023 Also, follow the semantics in _samr_create_user() and lower case the
2024 posix name but preserve the case in passdb */
2025
2026 fstrcpy( oldname_lower, oldname );
2027 strlower_m( oldname_lower );
2028 fstrcpy( newname_lower, newname );
2029 strlower_m( newname_lower );
2030 rename_script = realloc_string_sub2(rename_script,
2031 "%unew",
2032 newname_lower,
2033 true,
2034 true);
2035 if (!rename_script) {
2036 return NT_STATUS_NO_MEMORY;
2037 }
2038 rename_script = realloc_string_sub2(rename_script,
2039 "%uold",
2040 oldname_lower,
2041 true,
2042 true);
2043 rc = smbrun(rename_script, NULL);
2044
2045 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2046 rename_script, rc));
2047
2048 SAFE_FREE(rename_script);
2049
2050 if (rc == 0) {
2051 smb_nscd_flush_user_cache();
2052 }
2053
2054 if (rc)
2055 return NT_STATUS_UNSUCCESSFUL;
2056
2057 return NT_STATUS_OK;
2058 }
2059
2060 /**********************************************************************
2061 Helper function to determine for update_sam_account whether
2062 we need LDAP modification.
2063 *********************************************************************/
2064
2065 static bool element_is_set_or_changed(const struct samu *sampass,
2066 enum pdb_elements element)
2067 {
2068 return (IS_SAM_SET(sampass, element) ||
2069 IS_SAM_CHANGED(sampass, element));
2070 }
2071
2072 /**********************************************************************
2073 Add struct samu to LDAP.
2074 *********************************************************************/
2075
2076 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2077 {
2078 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2079 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2080 int rc;
2081 LDAPMessage *result = NULL;
2082 LDAPMessage *entry = NULL;
2083 LDAPMod **mods = NULL;
2084 int ldap_op = LDAP_MOD_REPLACE;
2085 uint32 num_result;
2086 const char **attr_list;
2087 char *escape_user = NULL;
2088 const char *username = pdb_get_username(newpwd);
2089 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2090 char *filter = NULL;
2091 char *dn = NULL;
2092 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2093 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2094
2095 if (!ctx) {
2096 return NT_STATUS_NO_MEMORY;
2097 }
2098
2099 if (!username || !*username) {
2100 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2101 status = NT_STATUS_INVALID_PARAMETER;
2102 goto fn_exit;
2103 }
2104
2105 /* free this list after the second search or in case we exit on failure */
2106 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2107
2108 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2109
2110 if (rc != LDAP_SUCCESS) {
2111 goto fn_exit;
2112 }
2113
2114 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2115 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2116 username));
2117 goto fn_exit;
2118 }
2119 ldap_msgfree(result);
2120 result = NULL;
2121
2122 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2123 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2124 sid, &result);
2125 if (rc == LDAP_SUCCESS) {
2126 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2127 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2128 "already in the base, with samba "
2129 "attributes\n", sid_string_dbg(sid)));
2130 goto fn_exit;
2131 }
2132 ldap_msgfree(result);
2133 result = NULL;
2134 }
2135 }
2136
2137 /* does the entry already exist but without a samba attributes?
2138 we need to return the samba attributes here */
2139
2140 escape_user = escape_ldap_string_alloc( username );
2141 filter = talloc_strdup(attr_list, "(uid=%u)");
2142 if (!filter) {
2143 status = NT_STATUS_NO_MEMORY;
2144 goto fn_exit;
2145 }
2146 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2147 if (!filter) {
2148 status = NT_STATUS_NO_MEMORY;
2149 goto fn_exit;
2150 }
2151 SAFE_FREE(escape_user);
2152
2153 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2154 filter, attr_list, &result);
2155 if ( rc != LDAP_SUCCESS ) {
2156 goto fn_exit;
2157 }
2158
2159 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2160
2161 if (num_result > 1) {
2162 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2163 goto fn_exit;
2164 }
2165
2166 /* Check if we need to update an existing entry */
2167 if (num_result == 1) {
2168 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2169 ldap_op = LDAP_MOD_REPLACE;
2170 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2171 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2172 if (!dn) {
2173 status = NT_STATUS_NO_MEMORY;
2174 goto fn_exit;
2175 }
2176
2177 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2178
2179 /* There might be a SID for this account already - say an idmap entry */
2180
2181 filter = talloc_asprintf(ctx,
2182 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2183 get_userattr_key2string(ldap_state->schema_ver,
2184 LDAP_ATTR_USER_SID),
2185 sid_string_talloc(ctx, sid),
2186 LDAP_OBJ_IDMAP_ENTRY,
2187 LDAP_OBJ_SID_ENTRY);
2188 if (!filter) {
2189 status = NT_STATUS_NO_MEMORY;
2190 goto fn_exit;
2191 }
2192
2193 /* free old result before doing a new search */
2194 if (result != NULL) {
2195 ldap_msgfree(result);
2196 result = NULL;
2197 }
2198 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2199 filter, attr_list, &result);
2200
2201 if ( rc != LDAP_SUCCESS ) {
2202 goto fn_exit;
2203 }
2204
2205 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2206
2207 if (num_result > 1) {
2208 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2209 goto fn_exit;
2210 }
2211
2212 /* Check if we need to update an existing entry */
2213 if (num_result == 1) {
2214
2215 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2216 ldap_op = LDAP_MOD_REPLACE;
2217 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2218 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2219 if (!dn) {
2220 status = NT_STATUS_NO_MEMORY;
2221 goto fn_exit;
2222 }
2223 }
2224 }
2225
2226 if (num_result == 0) {
2227 char *escape_username;
2228 /* Check if we need to add an entry */
2229 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2230 ldap_op = LDAP_MOD_ADD;
2231
2232 escape_username = escape_rdn_val_string_alloc(username);
2233 if (!escape_username) {
2234 status = NT_STATUS_NO_MEMORY;
2235 goto fn_exit;
2236 }
2237
2238 if (username[strlen(username)-1] == '$') {
2239 dn = talloc_asprintf(ctx,
2240 "uid=%s,%s",
2241 escape_username,
2242 lp_ldap_machine_suffix());
2243 } else {
2244 dn = talloc_asprintf(ctx,
2245 "uid=%s,%s",
2246 escape_username,
2247 lp_ldap_user_suffix());
2248 }
2249
2250 SAFE_FREE(escape_username);
2251 if (!dn) {
2252 status = NT_STATUS_NO_MEMORY;
2253 goto fn_exit;
2254 }
2255 }
2256
2257 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2258 element_is_set_or_changed)) {
2259 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2260 if (mods != NULL) {
2261 ldap_mods_free(mods, true);
2262 }
2263 goto fn_exit;
2264 }
2265
2266 if (mods == NULL) {
2267 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2268 goto fn_exit;
2269 }
2270 switch ( ldap_state->schema_ver ) {
2271 case SCHEMAVER_SAMBAACCOUNT:
2272 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2273 break;
2274 case SCHEMAVER_SAMBASAMACCOUNT:
2275 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2276 break;
2277 default:
2278 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2279 break;
2280 }
2281
2282 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2283 if (!NT_STATUS_IS_OK(ret)) {
2284 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2285 pdb_get_username(newpwd),dn));
2286 ldap_mods_free(mods, true);
2287 goto fn_exit;
2288 }
2289
2290 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2291 ldap_mods_free(mods, true);
2292
2293 status = NT_STATUS_OK;
2294
2295 fn_exit:
2296
2297 TALLOC_FREE(ctx);
2298 SAFE_FREE(escape_user);
2299 if (result) {
2300 ldap_msgfree(result);
2301 }
2302 return status;
2303 }
2304
2305 /**********************************************************************
2306 *********************************************************************/
2307
2308 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2309 const char *filter,
2310 LDAPMessage ** result)
2311 {
2312 int scope = LDAP_SCOPE_SUBTREE;
2313 int rc;
2314 const char **attr_list;
2315
2316 attr_list = get_attr_list(NULL, groupmap_attr_list);
2317 rc = smbldap_search(ldap_state->smbldap_state,
2318 lp_ldap_suffix (), scope,
2319 filter, attr_list, 0, result);
2320 TALLOC_FREE(attr_list);
2321
2322 return rc;
2323 }
2324
2325 /**********************************************************************
2326 *********************************************************************/
2327
2328 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2329 GROUP_MAP *map, LDAPMessage *entry)
2330 {
2331 char *temp = NULL;
2332 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2333
2334 if (ldap_state == NULL || map == NULL || entry == NULL ||
2335 ldap_state->smbldap_state->ldap_struct == NULL) {
2336 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2337 TALLOC_FREE(ctx);
2338 return false;
2339 }
2340
2341 temp = smbldap_talloc_single_attribute(
2342 ldap_state->smbldap_state->ldap_struct,
2343 entry,
2344 get_attr_key2string(groupmap_attr_list,
2345 LDAP_ATTR_GIDNUMBER),
2346 ctx);
2347 if (!temp) {
2348 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2349 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2350 TALLOC_FREE(ctx);
2351 return false;
2352 }
2353 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2354
2355 map->gid = (gid_t)atol(temp);
2356
2357 TALLOC_FREE(temp);
2358 temp = smbldap_talloc_single_attribute(
2359 ldap_state->smbldap_state->ldap_struct,
2360 entry,
2361 get_attr_key2string(groupmap_attr_list,
2362 LDAP_ATTR_GROUP_SID),
2363 ctx);
2364 if (!temp) {
2365 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2366 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2367 TALLOC_FREE(ctx);
2368 return false;
2369 }
2370
2371 if (!string_to_sid(&map->sid, temp)) {
2372 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2373 TALLOC_FREE(ctx);
2374 return false;
2375 }
2376
2377 TALLOC_FREE(temp);
2378 temp = smbldap_talloc_single_attribute(
2379 ldap_state->smbldap_state->ldap_struct,
2380 entry,
2381 get_attr_key2string(groupmap_attr_list,
2382 LDAP_ATTR_GROUP_TYPE),
2383 ctx);
2384 if (!temp) {
2385 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2386 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2387 TALLOC_FREE(ctx);
2388 return false;
2389 }
2390 map->sid_name_use = (enum lsa_SidType)atol(temp);
2391
2392 if ((map->sid_name_use < SID_NAME_USER) ||
2393 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2394 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2395 TALLOC_FREE(ctx);
2396 return false;
2397 }
2398
2399 TALLOC_FREE(temp);
2400 temp = smbldap_talloc_single_attribute(
2401 ldap_state->smbldap_state->ldap_struct,
2402 entry,
2403 get_attr_key2string(groupmap_attr_list,
2404 LDAP_ATTR_DISPLAY_NAME),
2405 ctx);
2406 if (!temp) {
2407 temp = smbldap_talloc_single_attribute(
2408 ldap_state->smbldap_state->ldap_struct,
2409 entry,
2410 get_attr_key2string(groupmap_attr_list,
2411 LDAP_ATTR_CN),
2412 ctx);
2413 if (!temp) {
2414 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2415 for gidNumber(%lu)\n",(unsigned long)map->gid));
2416 TALLOC_FREE(ctx);
2417 return false;
2418 }
2419 }
2420 fstrcpy(map->nt_name, temp);
2421
2422 TALLOC_FREE(temp);
2423 temp = smbldap_talloc_single_attribute(
2424 ldap_state->smbldap_state->ldap_struct,
2425 entry,
2426 get_attr_key2string(groupmap_attr_list,
2427 LDAP_ATTR_DESC),
2428 ctx);
2429 if (!temp) {
2430 temp = talloc_strdup(ctx, "");
2431 if (!temp) {
2432 TALLOC_FREE(ctx);
2433 return false;
2434 }
2435 }
2436 fstrcpy(map->comment, temp);
2437
2438 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2439 store_gid_sid_cache(&map->sid, map->gid);
2440 }
2441
2442 TALLOC_FREE(ctx);
2443 return true;
2444 }
2445
2446 /**********************************************************************
2447 *********************************************************************/
2448
2449 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2450 const char *filter,
2451 GROUP_MAP *map)
2452 {
2453 struct ldapsam_privates *ldap_state =
2454 (struct ldapsam_privates *)methods->private_data;
2455 LDAPMessage *result = NULL;
2456 LDAPMessage *entry = NULL;
2457 int count;
2458
2459 if (ldapsam_search_one_group(ldap_state, filter, &result)
2460 != LDAP_SUCCESS) {
2461 return NT_STATUS_NO_SUCH_GROUP;
2462 }
2463
2464 count = ldap_count_entries(priv2ld(ldap_state), result);
2465
2466 if (count < 1) {
2467 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2468 "%s\n", filter));
2469 ldap_msgfree(result);
2470 return NT_STATUS_NO_SUCH_GROUP;
2471 }
2472
2473 if (count > 1) {
2474 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2475 "count=%d\n", filter, count));
2476 ldap_msgfree(result);
2477 return NT_STATUS_NO_SUCH_GROUP;
2478 }
2479
2480 entry = ldap_first_entry(priv2ld(ldap_state), result);
2481
2482 if (!entry) {
2483 ldap_msgfree(result);
2484 return NT_STATUS_UNSUCCESSFUL;
2485 }
2486
2487 if (!init_group_from_ldap(ldap_state, map, entry)) {
2488 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2489 "group filter %s\n", filter));
2490 ldap_msgfree(result);
2491 return NT_STATUS_NO_SUCH_GROUP;
2492 }
2493
2494 ldap_msgfree(result);
2495 return NT_STATUS_OK;
2496 }
2497
2498 /**********************************************************************
2499 *********************************************************************/
2500
2501 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2502 DOM_SID sid)
2503 {
2504 char *filter = NULL;
2505 NTSTATUS status;
2506 fstring tmp;
2507
2508 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2509 LDAP_OBJ_GROUPMAP,
2510 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2511 sid_to_fstring(tmp, &sid)) < 0) {
2512 return NT_STATUS_NO_MEMORY;
2513 }
2514
2515 status = ldapsam_getgroup(methods, filter, map);
2516 SAFE_FREE(filter);
2517 return status;
2518 }
2519
2520 /**********************************************************************
2521 *********************************************************************/
2522
2523 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2524 gid_t gid)
2525 {
2526 char *filter = NULL;
2527 NTSTATUS status;
2528
2529 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2530 LDAP_OBJ_GROUPMAP,
2531 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2532 (unsigned long)gid) < 0) {
2533 return NT_STATUS_NO_MEMORY;
2534 }
2535
2536 status = ldapsam_getgroup(methods, filter, map);
2537 SAFE_FREE(filter);
2538 return status;
2539 }
2540
2541 /**********************************************************************
2542 *********************************************************************/
2543
2544 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2545 const char *name)
2546 {
2547 char *filter = NULL;
2548 char *escape_name = escape_ldap_string_alloc(name);
2549 NTSTATUS status;
2550
2551 if (!escape_name) {
2552 return NT_STATUS_NO_MEMORY;
2553 }
2554
2555 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2556 LDAP_OBJ_GROUPMAP,
2557 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2558 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2559 escape_name) < 0) {
2560 SAFE_FREE(escape_name);
2561 return NT_STATUS_NO_MEMORY;
2562 }
2563
2564 SAFE_FREE(escape_name);
2565 status = ldapsam_getgroup(methods, filter, map);
2566 SAFE_FREE(filter);
2567 return status;
2568 }
2569
2570 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2571 LDAPMessage *entry,
2572 const DOM_SID *domain_sid,
2573 uint32 *rid)
2574 {
2575 fstring str;
2576 DOM_SID sid;
2577
2578 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2579 str, sizeof(str)-1)) {
2580 DEBUG(10, ("Could not find sambaSID attribute\n"));
2581 return False;
2582 }
2583
2584 if (!string_to_sid(&sid, str)) {
2585 DEBUG(10, ("Could not convert string %s to sid\n", str));
2586 return False;
2587 }
2588
2589 if (sid_compare_domain(&sid, domain_sid) != 0) {
2590 DEBUG(10, ("SID %s is not in expected domain %s\n",
2591 str, sid_string_dbg(domain_sid)));
2592 return False;
2593 }
2594
2595 if (!sid_peek_rid(&sid, rid)) {
2596 DEBUG(10, ("Could not peek into RID\n"));
2597 return False;
2598 }
2599
2600 return True;
2601 }
2602
2603 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2604 TALLOC_CTX *mem_ctx,
2605 const DOM_SID *group,
2606 uint32 **pp_member_rids,
2607 size_t *p_num_members)
2608 {
2609 struct ldapsam_privates *ldap_state =
2610 (struct ldapsam_privates *)methods->private_data;
2611 struct smbldap_state *conn = ldap_state->smbldap_state;
2612 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2613 const char *sid_attrs[] = { "sambaSID", NULL };
2614 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2615 LDAPMessage *result = NULL;
2616 LDAPMessage *entry;
2617 char *filter;
2618 char **values = NULL;
2619 char **memberuid;
2620 char *gidstr;
2621 int rc, count;
2622
2623 *pp_member_rids = NULL;
2624 *p_num_members = 0;
2625
2626 filter = talloc_asprintf(mem_ctx,
2627 "(&(objectClass=%s)"
2628 "(objectClass=%s)"
2629 "(sambaSID=%s))",
2630 LDAP_OBJ_POSIXGROUP,
2631 LDAP_OBJ_GROUPMAP,
2632 sid_string_talloc(mem_ctx, group));
2633 if (filter == NULL) {
2634 ret = NT_STATUS_NO_MEMORY;
2635 goto done;
2636 }
2637
2638 rc = smbldap_search(conn, lp_ldap_suffix(),
2639 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2640 &result);
2641
2642 if (rc != LDAP_SUCCESS)
2643 goto done;
2644
2645 talloc_autofree_ldapmsg(mem_ctx, result);
2646
2647 count = ldap_count_entries(conn->ldap_struct, result);
2648
2649 if (count > 1) {
2650 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2651 sid_string_dbg(group)));
2652 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2653 goto done;
2654 }
2655
2656 if (count == 0) {
2657 ret = NT_STATUS_NO_SUCH_GROUP;
2658 goto done;
2659 }
2660
2661 entry = ldap_first_entry(conn->ldap_struct, result);
2662 if (entry == NULL)
2663 goto done;
2664
2665 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2666 if (!gidstr) {
2667 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2668 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2669 goto done;
2670 }
2671
2672 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2673
2674 if ((values != NULL) && (values[0] != NULL)) {
2675
2676 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2677 if (filter == NULL) {
2678 ret = NT_STATUS_NO_MEMORY;
2679 goto done;
2680 }
2681
2682 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2683 char *escape_memberuid;
2684
2685 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2686 if (escape_memberuid == NULL) {
2687 ret = NT_STATUS_NO_MEMORY;
2688 goto done;
2689 }
2690
2691 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2692 if (filter == NULL) {
2693 SAFE_FREE(escape_memberuid);
2694 ret = NT_STATUS_NO_MEMORY;
2695 goto done;
2696 }
2697
2698 SAFE_FREE(escape_memberuid);
2699 }
2700
2701 filter = talloc_asprintf_append_buffer(filter, "))");
2702 if (filter == NULL) {
2703 ret = NT_STATUS_NO_MEMORY;
2704 goto done;
2705 }
2706
2707 rc = smbldap_search(conn, lp_ldap_suffix(),
2708 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2709 &result);
2710
2711 if (rc != LDAP_SUCCESS)
2712 goto done;
2713
2714 count = ldap_count_entries(conn->ldap_struct, result);
2715 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2716
2717 talloc_autofree_ldapmsg(mem_ctx, result);
2718
2719 for (entry = ldap_first_entry(conn->ldap_struct, result);
2720 entry != NULL;
2721 entry = ldap_next_entry(conn->ldap_struct, entry))
2722 {
2723 char *sidstr;
2724 DOM_SID sid;
2725 uint32 rid;
2726
2727 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2728 entry, "sambaSID",
2729 mem_ctx);
2730 if (!sidstr) {
2731 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2732 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2733 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2734 goto done;
2735 }
2736
2737 if (!string_to_sid(&sid, sidstr))
2738 goto done;
2739
2740 if (!sid_check_is_in_our_domain(&sid)) {
2741 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2742 "in our domain\n"));
2743 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2744 goto done;
2745 }
2746
2747 sid_peek_rid(&sid, &rid);
2748
2749 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2750 p_num_members)) {
2751 ret = NT_STATUS_NO_MEMORY;
2752 goto done;
2753 }
2754 }
2755 }
2756
2757 filter = talloc_asprintf(mem_ctx,
2758 "(&(objectClass=%s)"
2759 "(gidNumber=%s))",
2760 LDAP_OBJ_SAMBASAMACCOUNT,
2761 gidstr);
2762
2763 rc = smbldap_search(conn, lp_ldap_suffix(),
2764 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2765 &result);
2766
2767 if (rc != LDAP_SUCCESS)
2768 goto done;
2769
2770 talloc_autofree_ldapmsg(mem_ctx, result);
2771
2772 for (entry = ldap_first_entry(conn->ldap_struct, result);
2773 entry != NULL;
2774 entry = ldap_next_entry(conn->ldap_struct, entry))
2775 {
2776 uint32 rid;
2777
2778 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2779 entry,
2780 get_global_sam_sid(),
2781 &rid)) {
2782 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2783 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2784 goto done;
2785 }
2786
2787 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2788 p_num_members)) {
2789 ret = NT_STATUS_NO_MEMORY;
2790 goto done;
2791 }
2792 }
2793
2794 ret = NT_STATUS_OK;
2795
2796 done:
2797
2798 if (values)
2799 ldap_value_free(values);
2800
2801 return ret;
2802 }
2803
2804 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2805 TALLOC_CTX *mem_ctx,
2806 struct samu *user,
2807 DOM_SID **pp_sids,
2808 gid_t **pp_gids,
2809 size_t *p_num_groups)
2810 {
2811 struct ldapsam_privates *ldap_state =
2812 (struct ldapsam_privates *)methods->private_data;
2813 struct smbldap_state *conn = ldap_state->smbldap_state;
2814 char *filter;
2815 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2816 char *escape_name;
2817 int rc, count;
2818 LDAPMessage *result = NULL;
2819 LDAPMessage *entry;
2820 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2821 size_t num_sids, num_gids;
2822 char *gidstr;
2823 gid_t primary_gid = -1;
2824
2825 *pp_sids = NULL;
2826 num_sids = 0;
2827
2828 if (pdb_get_username(user) == NULL) {
2829 return NT_STATUS_INVALID_PARAMETER;
2830 }
2831
2832 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2833 if (escape_name == NULL)
2834 return NT_STATUS_NO_MEMORY;
2835
2836 /* retrieve the users primary gid */
2837 filter = talloc_asprintf(mem_ctx,
2838 "(&(objectClass=%s)(uid=%s))",
2839 LDAP_OBJ_SAMBASAMACCOUNT,
2840 escape_name);
2841 if (filter == NULL) {
2842 ret = NT_STATUS_NO_MEMORY;
2843 goto done;
2844 }
2845
2846 rc = smbldap_search(conn, lp_ldap_suffix(),
2847 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2848
2849 if (rc != LDAP_SUCCESS)
2850 goto done;
2851
2852 talloc_autofree_ldapmsg(mem_ctx, result);
2853
2854 count = ldap_count_entries(priv2ld(ldap_state), result);
2855
2856 switch (count) {
2857 case 0:
2858 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2859 ret = NT_STATUS_NO_SUCH_USER;
2860 goto done;
2861 case 1:
2862 entry = ldap_first_entry(priv2ld(ldap_state), result);
2863
2864 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2865 if (!gidstr) {
2866 DEBUG (1, ("Unable to find the member's gid!\n"));
2867 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2868 goto done;
2869 }
2870 primary_gid = strtoul(gidstr, NULL, 10);
2871 break;
2872 default:
2873 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2874 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2875 goto done;
2876 }
2877
2878 filter = talloc_asprintf(mem_ctx,
2879 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2880 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2881 if (filter == NULL) {
2882 ret = NT_STATUS_NO_MEMORY;
2883 goto done;
2884 }
2885
2886 rc = smbldap_search(conn, lp_ldap_suffix(),
2887 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2888
2889 if (rc != LDAP_SUCCESS)
2890 goto done;
2891
2892 talloc_autofree_ldapmsg(mem_ctx, result);
2893
2894 num_gids = 0;
2895 *pp_gids = NULL;
2896
2897 num_sids = 0;
2898 *pp_sids = NULL;
2899
2900 /* We need to add the primary group as the first gid/sid */
2901
2902 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2903 ret = NT_STATUS_NO_MEMORY;
2904 goto done;
2905 }
2906
2907 /* This sid will be replaced later */
2908
2909 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2910 &num_sids);
2911 if (!NT_STATUS_IS_OK(ret)) {
2912 goto done;
2913 }
2914
2915 for (entry = ldap_first_entry(conn->ldap_struct, result);
2916 entry != NULL;
2917 entry = ldap_next_entry(conn->ldap_struct, entry))
2918 {
2919 fstring str;
2920 DOM_SID sid;
2921 gid_t gid;
2922 char *end;
2923
2924 if (!smbldap_get_single_attribute(conn->ldap_struct,
2925 entry, "sambaSID",
2926 str, sizeof(str)-1))
2927 continue;
2928
2929 if (!string_to_sid(&sid, str))
2930 goto done;
2931
2932 if (!smbldap_get_single_attribute(conn->ldap_struct,
2933 entry, "gidNumber",
2934 str, sizeof(str)-1))
2935 continue;
2936
2937 gid = strtoul(str, &end, 10);
2938
2939 if (PTR_DIFF(end, str) != strlen(str))
2940 goto done;
2941
2942 if (gid == primary_gid) {
2943 sid_copy(&(*pp_sids)[0], &sid);
2944 } else {
2945 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2946 &num_gids)) {
2947 ret = NT_STATUS_NO_MEMORY;
2948 goto done;
2949 }
2950 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2951 &num_sids);
2952 if (!NT_STATUS_IS_OK(ret)) {
2953 goto done;
2954 }
2955 }
2956 }
2957
2958 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2959 DEBUG(3, ("primary group of [%s] not found\n",
2960 pdb_get_username(user)));
2961 goto done;
2962 }
2963
2964 *p_num_groups = num_sids;
2965
2966 ret = NT_STATUS_OK;
2967
2968 done:
2969
2970 SAFE_FREE(escape_name);
2971 return ret;
2972 }
2973
2974 /**********************************************************************
2975 * Augment a posixGroup object with a sambaGroupMapping domgroup
2976 *********************************************************************/
2977
2978 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2979 struct ldapsam_privates *ldap_state,
2980 GROUP_MAP *map)
2981 {
2982 const char *filter, *dn;
2983 LDAPMessage *msg, *entry;
2984 LDAPMod **mods;
2985 int rc;
2986
2987 filter = talloc_asprintf(mem_ctx,
2988 "(&(objectClass=%s)(gidNumber=%u))",
2989 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2990 if (filter == NULL) {
2991 return NT_STATUS_NO_MEMORY;
2992 }
2993
2994 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2995 get_attr_list(mem_ctx, groupmap_attr_list),
2996 &msg);
2997 talloc_autofree_ldapmsg(mem_ctx, msg);
2998
2999 if ((rc != LDAP_SUCCESS) ||
3000 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3001 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3002 return NT_STATUS_NO_SUCH_GROUP;
3003 }
3004
3005 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3006 if (dn == NULL) {
3007 return NT_STATUS_NO_MEMORY;
3008 }
3009
3010 mods = NULL;
3011 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3012 LDAP_OBJ_GROUPMAP);
3013 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3014 sid_string_talloc(mem_ctx, &map->sid));
3015 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3016 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3017 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3018 map->nt_name);
3019 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3020 map->comment);
3021 talloc_autofree_ldapmod(mem_ctx, mods);
3022
3023 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3024 if (rc != LDAP_SUCCESS) {
3025 return NT_STATUS_ACCESS_DENIED;
3026 }
3027
3028 return NT_STATUS_OK;
3029 }
3030
3031 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3032 GROUP_MAP *map)
3033 {
3034 struct ldapsam_privates *ldap_state =
3035 (struct ldapsam_privates *)methods->private_data;
3036 LDAPMessage *msg = NULL;
3037 LDAPMod **mods = NULL;
3038 const char *attrs[] = { NULL };
3039 char *filter;
3040
3041 char *dn;
3042 TALLOC_CTX *mem_ctx;
3043 NTSTATUS result;
3044
3045 DOM_SID sid;
3046
3047 int rc;
3048
3049 mem_ctx = talloc_new(NULL);
3050 if (mem_ctx == NULL) {
3051 DEBUG(0, ("talloc_new failed\n"));
3052 return NT_STATUS_NO_MEMORY;
3053 }
3054
3055 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3056 sid_string_talloc(mem_ctx, &map->sid));
3057 if (filter == NULL) {
3058 result = NT_STATUS_NO_MEMORY;
3059 goto done;
3060 }
3061
3062 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3063 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3064 talloc_autofree_ldapmsg(mem_ctx, msg);
3065
3066 if ((rc == LDAP_SUCCESS) &&
3067 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3068
3069 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3070 "group mapping entry\n", sid_string_dbg(&map->sid)));
3071 result = NT_STATUS_GROUP_EXISTS;
3072 goto done;
3073 }
3074
3075 switch (map->sid_name_use) {
3076
3077 case SID_NAME_DOM_GRP:
3078 /* To map a domain group we need to have a posix group
3079 to attach to. */
3080 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3081 goto done;
3082 break;
3083
3084 case SID_NAME_ALIAS:
3085 if (!sid_check_is_in_our_domain(&map->sid)
3086 && !sid_check_is_in_builtin(&map->sid) )
3087 {
3088 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3089 sid_string_dbg(&map->sid)));
3090 result = NT_STATUS_INVALID_PARAMETER;
3091 goto done;
3092 }
3093 break;
3094
3095 default:
3096 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3097 sid_type_lookup(map->sid_name_use)));
3098 result = NT_STATUS_INVALID_PARAMETER;
3099 goto done;
3100 }
3101
3102 /* Domain groups have been mapped in a separate routine, we have to
3103 * create an alias now */
3104
3105 if (map->gid == -1) {
3106 DEBUG(10, ("Refusing to map gid==-1\n"));
3107 result = NT_STATUS_INVALID_PARAMETER;
3108 goto done;
3109 }
3110
3111 if (pdb_gid_to_sid(map->gid, &sid)) {
3112 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3113 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3114 result = NT_STATUS_GROUP_EXISTS;
3115 goto done;
3116 }
3117
3118 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3119 * the best we can get out of LDAP. */
3120
3121 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3122 sid_string_talloc(mem_ctx, &map->sid),
3123 lp_ldap_group_suffix());
3124 if (dn == NULL) {
3125 result = NT_STATUS_NO_MEMORY;
3126 goto done;
3127 }
3128
3129 mods = NULL;
3130
3131 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3132 LDAP_OBJ_SID_ENTRY);
3133 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3134 LDAP_OBJ_GROUPMAP);
3135 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3136 sid_string_talloc(mem_ctx, &map->sid));
3137 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3138 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3139 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3140 map->nt_name);
3141 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3142 map->comment);
3143 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3144 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3145 talloc_autofree_ldapmod(mem_ctx, mods);
3146
3147 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3148
3149 result = (rc == LDAP_SUCCESS) ?
3150 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3151
3152 done:
3153 TALLOC_FREE(mem_ctx);
3154 return result;
3155 }
3156
3157 /**********************************************************************
3158 * Update a group mapping entry. We're quite strict about what can be changed:
3159 * Only the description and displayname may be changed. It simply does not
3160 * make any sense to change the SID, gid or the type in a mapping.
3161 *********************************************************************/
3162
3163 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3164 GROUP_MAP *map)
3165 {
3166 struct ldapsam_privates *ldap_state =
3167 (struct ldapsam_privates *)methods->private_data;
3168 int rc;
3169 const char *filter, *dn;
3170 LDAPMessage *msg = NULL;
3171 LDAPMessage *entry = NULL;
3172 LDAPMod **mods = NULL;
3173 TALLOC_CTX *mem_ctx;
3174 NTSTATUS result;
3175
3176 mem_ctx = talloc_new(NULL);
3177 if (mem_ctx == NULL) {
3178 DEBUG(0, ("talloc_new failed\n"));
3179 return NT_STATUS_NO_MEMORY;
3180 }
3181
3182 /* Make 100% sure that sid, gid and type are not changed by looking up
3183 * exactly the values we're given in LDAP. */
3184
3185 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3186 "(sambaSid=%s)(gidNumber=%u)"
3187 "(sambaGroupType=%d))",
3188 LDAP_OBJ_GROUPMAP,
3189 sid_string_talloc(mem_ctx, &map->sid),
3190 (unsigned int)map->gid, map->sid_name_use);
3191 if (filter == NULL) {
3192 result = NT_STATUS_NO_MEMORY;
3193 goto done;
3194 }
3195
3196 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3197 get_attr_list(mem_ctx, groupmap_attr_list),
3198 &msg);
3199 talloc_autofree_ldapmsg(mem_ctx, msg);
3200
3201 if ((rc != LDAP_SUCCESS) ||
3202 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3203 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3204 result = NT_STATUS_NO_SUCH_GROUP;
3205 goto done;
3206 }
3207
3208 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3209
3210 if (dn == NULL) {
3211 result = NT_STATUS_NO_MEMORY;
3212 goto done;
3213 }
3214
3215 mods = NULL;
3216 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3217 map->nt_name);
3218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3219 map->comment);
3220 talloc_autofree_ldapmod(mem_ctx, mods);
3221
3222 if (mods == NULL) {
3223 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3224 "nothing to do\n"));
3225 result = NT_STATUS_OK;
3226 goto done;
3227 }
3228
3229 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3230
3231 if (rc != LDAP_SUCCESS) {
3232 result = NT_STATUS_ACCESS_DENIED;
3233 goto done;
3234 }
3235
3236 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3237 "group %lu in LDAP\n", (unsigned long)map->gid));
3238
3239 result = NT_STATUS_OK;
3240
3241 done:
3242 TALLOC_FREE(mem_ctx);
3243 return result;
3244 }
3245
3246 /**********************************************************************
3247 *********************************************************************/
3248
3249 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3250 DOM_SID sid)
3251 {
3252 struct ldapsam_privates *priv =
3253 (struct ldapsam_privates *)methods->private_data;
3254 LDAPMessage *msg, *entry;
3255 int rc;
3256 NTSTATUS result;
3257 TALLOC_CTX *mem_ctx;
3258 char *filter;
3259
3260 mem_ctx = talloc_new(NULL);
3261 if (mem_ctx == NULL) {
3262 DEBUG(0, ("talloc_new failed\n"));
3263 return NT_STATUS_NO_MEMORY;
3264 }
3265
3266 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3267 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3268 sid_string_talloc(mem_ctx, &sid));
3269 if (filter == NULL) {
3270 result = NT_STATUS_NO_MEMORY;
3271 goto done;
3272 }
3273 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3274 get_attr_list(mem_ctx, groupmap_attr_list),
3275 &msg);
3276 talloc_autofree_ldapmsg(mem_ctx, msg);
3277
3278 if ((rc != LDAP_SUCCESS) ||
3279 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3280 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3281 result = NT_STATUS_NO_SUCH_GROUP;
3282 goto done;
3283 }
3284
3285 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3286 get_attr_list(mem_ctx,
3287 groupmap_attr_list_to_delete));
3288
3289 if ((rc == LDAP_NAMING_VIOLATION) ||
3290 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3291 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3292 const char *attrs[] = { "sambaGroupType", "description",
3293 "displayName", "sambaSIDList",
3294 NULL };
3295
3296 /* Second try. Don't delete the sambaSID attribute, this is
3297 for "old" entries that are tacked on a winbind
3298 sambaIdmapEntry. */
3299
3300 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3301 LDAP_OBJ_GROUPMAP, attrs);
3302 }
3303
3304 if ((rc == LDAP_NAMING_VIOLATION) ||
3305 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3306 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3307 const char *attrs[] = { "sambaGroupType", "description",
3308 "displayName", "sambaSIDList",
3309 "gidNumber", NULL };
3310
3311 /* Third try. This is a post-3.0.21 alias (containing only
3312 * sambaSidEntry and sambaGroupMapping classes), we also have
3313 * to delete the gidNumber attribute, only the sambaSidEntry
3314 * remains */
3315
3316 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3317 LDAP_OBJ_GROUPMAP, attrs);
3318 }
3319
3320 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3321
3322 done:
3323 TALLOC_FREE(mem_ctx);
3324 return result;
3325 }
3326
3327 /**********************************************************************
3328 *********************************************************************/
3329
3330 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3331 bool update)
3332 {
3333 struct ldapsam_privates *ldap_state =
3334 (struct ldapsam_privates *)my_methods->private_data;
3335 char *filter = NULL;
3336 int rc;
3337 const char **attr_list;
3338
3339 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3340 if (!filter) {
3341 return NT_STATUS_NO_MEMORY;
3342 }
3343 attr_list = get_attr_list( NULL, groupmap_attr_list );
3344 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3345 LDAP_SCOPE_SUBTREE, filter,
3346 attr_list, 0, &ldap_state->result);
3347 TALLOC_FREE(attr_list);
3348
3349 if (rc != LDAP_SUCCESS) {
3350 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3351 ldap_err2string(rc)));
3352 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3353 lp_ldap_suffix(), filter));
3354 ldap_msgfree(ldap_state->result);
3355 ldap_state->result = NULL;
3356 TALLOC_FREE(filter);
3357 return NT_STATUS_UNSUCCESSFUL;
3358 }
3359
3360 TALLOC_FREE(filter);
3361
3362 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3363 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3364 ldap_state->result)));
3365
3366 ldap_state->entry =
3367 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3368 ldap_state->result);
3369 ldap_state->index = 0;
3370
3371 return NT_STATUS_OK;
3372 }
3373
3374 /**********************************************************************
3375 *********************************************************************/
3376
3377 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3378 {
3379 ldapsam_endsampwent(my_methods);
3380 }
3381
3382 /**********************************************************************
3383 *********************************************************************/
3384
3385 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3386 GROUP_MAP *map)
3387 {
3388 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3389 struct ldapsam_privates *ldap_state =
3390 (struct ldapsam_privates *)my_methods->private_data;
3391 bool bret = False;
3392
3393 while (!bret) {
3394 if (!ldap_state->entry)
3395 return ret;
3396
3397 ldap_state->index++;
3398 bret = init_group_from_ldap(ldap_state, map,
3399 ldap_state->entry);
3400
3401 ldap_state->entry =
3402 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3403 ldap_state->entry);
3404 }
3405
3406 return NT_STATUS_OK;
3407 }
3408
3409 /**********************************************************************
3410 *********************************************************************/
3411
3412 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3413 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3414 GROUP_MAP **pp_rmap,
3415 size_t *p_num_entries,
3416 bool unix_only)
3417 {
3418 GROUP_MAP map;
3419 size_t entries = 0;
3420
3421 *p_num_entries = 0;
3422 *pp_rmap = NULL;
3423
3424 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3425 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3426 "passdb\n"));
3427 return NT_STATUS_ACCESS_DENIED;
3428 }
3429
3430 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3431 if (sid_name_use != SID_NAME_UNKNOWN &&
3432 sid_name_use != map.sid_name_use) {
3433 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3434 "not of the requested type\n", map.nt_name));
3435 continue;
3436 }
3437 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3438 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3439 "non mapped\n", map.nt_name));
3440 continue;
3441 }
3442
3443 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3444 if (!(*pp_rmap)) {
3445 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3446 "enlarge group map!\n"));
3447 return NT_STATUS_UNSUCCESSFUL;
3448 }
3449
3450 (*pp_rmap)[entries] = map;
3451
3452 entries += 1;
3453
3454 }
3455 ldapsam_endsamgrent(methods);
3456
3457 *p_num_entries = entries;
3458
3459 return NT_STATUS_OK;
3460 }
3461
3462 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3463 const DOM_SID *alias,
3464 const DOM_SID *member,
3465 int modop)
3466 {
3467 struct ldapsam_privates *ldap_state =
3468 (struct ldapsam_privates *)methods->private_data;
3469 char *dn = NULL;
3470 LDAPMessage *result = NULL;
3471 LDAPMessage *entry = NULL;
3472 int count;
3473 LDAPMod **mods = NULL;
3474 int rc;
3475 enum lsa_SidType type = SID_NAME_USE_NONE;
3476 fstring tmp;
3477
3478 char *filter = NULL;
3479
3480 if (sid_check_is_in_builtin(alias)) {
3481 type = SID_NAME_ALIAS;
3482 }
3483
3484 if (sid_check_is_in_our_domain(alias)) {
3485 type = SID_NAME_ALIAS;
3486 }
3487
3488 if (type == SID_NAME_USE_NONE) {
3489 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3490 sid_string_dbg(alias)));
3491 return NT_STATUS_NO_SUCH_ALIAS;
3492 }
3493
3494 if (asprintf(&filter,
3495 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3496 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3497 type) < 0) {
3498 return NT_STATUS_NO_MEMORY;
3499 }
3500
3501 if (ldapsam_search_one_group(ldap_state, filter,
3502 &result) != LDAP_SUCCESS) {
3503 SAFE_FREE(filter);
3504 return NT_STATUS_NO_SUCH_ALIAS;
3505 }
3506
3507 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3508 result);
3509
3510 if (count < 1) {
3511 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3512 ldap_msgfree(result);
3513 SAFE_FREE(filter);
3514 return NT_STATUS_NO_SUCH_ALIAS;
3515 }
3516
3517 if (count > 1) {
3518 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3519 "filter %s: count=%d\n", filter, count));
3520 ldap_msgfree(result);
3521 SAFE_FREE(filter);
3522 return NT_STATUS_NO_SUCH_ALIAS;
3523 }
3524
3525 SAFE_FREE(filter);
3526
3527 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3528 result);
3529
3530 if (!entry) {
3531 ldap_msgfree(result);
3532 return NT_STATUS_UNSUCCESSFUL;
3533 }
3534
3535 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3536 if (!dn) {
3537 ldap_msgfree(result);
3538 return NT_STATUS_UNSUCCESSFUL;
3539 }
3540
3541 smbldap_set_mod(&mods, modop,
3542 get_attr_key2string(groupmap_attr_list,
3543 LDAP_ATTR_SID_LIST),
3544 sid_to_fstring(tmp, member));
3545
3546 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3547
3548 ldap_mods_free(mods, True);
3549 ldap_msgfree(result);
3550 TALLOC_FREE(dn);
3551
3552 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3553 return NT_STATUS_MEMBER_IN_ALIAS;
3554 }
3555
3556 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3557 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3558 }
3559
3560 if (rc != LDAP_SUCCESS) {
3561 return NT_STATUS_UNSUCCESSFUL;
3562 }
3563
3564 return NT_STATUS_OK;
3565 }
3566
3567 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3568 const DOM_SID *alias,
3569 const DOM_SID *member)
3570 {
3571 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3572 }
3573
3574 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3575 const DOM_SID *alias,
3576 const DOM_SID *member)
3577 {
3578 return ldapsam_modify_aliasmem(methods, alias, member,
3579 LDAP_MOD_DELETE);
3580 }
3581
3582 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3583 const DOM_SID *alias,
3584 DOM_SID **pp_members,
3585 size_t *p_num_members)
3586 {
3587 struct ldapsam_privates *ldap_state =
3588 (struct ldapsam_privates *)methods->private_data;
3589 LDAPMessage *result = NULL;
3590 LDAPMessage *entry = NULL;
3591 int count;
3592 char **values = NULL;
3593 int i;
3594 char *filter = NULL;
3595 size_t num_members = 0;
3596 enum lsa_SidType type = SID_NAME_USE_NONE;
3597 fstring tmp;
3598
3599 *pp_members = NULL;
3600 *p_num_members = 0;
3601
3602 if (sid_check_is_in_builtin(alias)) {
3603 type = SID_NAME_ALIAS;
3604 }
3605
3606 if (sid_check_is_in_our_domain(alias)) {
3607 type = SID_NAME_ALIAS;
3608 }
3609
3610 if (type == SID_NAME_USE_NONE) {
3611 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3612 sid_string_dbg(alias)));
3613 return NT_STATUS_NO_SUCH_ALIAS;
3614 }
3615
3616 if (asprintf(&filter,
3617 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3618 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3619 type) < 0) {
3620 return NT_STATUS_NO_MEMORY;
3621 }
3622
3623 if (ldapsam_search_one_group(ldap_state, filter,
3624 &result) != LDAP_SUCCESS) {
3625 SAFE_FREE(filter);
3626 return NT_STATUS_NO_SUCH_ALIAS;
3627 }
3628
3629 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3630 result);
3631
3632 if (count < 1) {
3633 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3634 ldap_msgfree(result);
3635 SAFE_FREE(filter);
3636 return NT_STATUS_NO_SUCH_ALIAS;
3637 }
3638
3639 if (count > 1) {
3640 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3641 "filter %s: count=%d\n", filter, count));
3642 ldap_msgfree(result);
3643 SAFE_FREE(filter);
3644 return NT_STATUS_NO_SUCH_ALIAS;
3645 }
3646
3647 SAFE_FREE(filter);
3648
3649 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3650 result);
3651
3652 if (!entry) {
3653 ldap_msgfree(result);
3654 return NT_STATUS_UNSUCCESSFUL;
3655 }
3656
3657 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3658 entry,
3659 get_attr_key2string(groupmap_attr_list,
3660 LDAP_ATTR_SID_LIST));
3661
3662 if (values == NULL) {
3663 ldap_msgfree(result);
3664 return NT_STATUS_OK;
3665 }
3666
3667 count = ldap_count_values(values);
3668
3669 for (i=0; i<count; i++) {
3670 DOM_SID member;
3671 NTSTATUS status;
3672
3673 if (!string_to_sid(&member, values[i]))
3674 continue;
3675
3676 status = add_sid_to_array(NULL, &member, pp_members,
3677 &num_members);
3678 if (!NT_STATUS_IS_OK(status)) {
3679 ldap_value_free(values);
3680 ldap_msgfree(result);
3681 return status;
3682 }
3683 }
3684
3685 *p_num_members = num_members;
3686 ldap_value_free(values);
3687 ldap_msgfree(result);
3688
3689 return NT_STATUS_OK;
3690 }
3691
3692 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3693 TALLOC_CTX *mem_ctx,
3694 const DOM_SID *domain_sid,
3695 const DOM_SID *members,
3696 size_t num_members,
3697 uint32 **pp_alias_rids,
3698 size_t *p_num_alias_rids)
3699 {
3700 struct ldapsam_privates *ldap_state =
3701 (struct ldapsam_privates *)methods->private_data;
3702 LDAP *ldap_struct;
3703
3704 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3705
3706 LDAPMessage *result = NULL;
3707 LDAPMessage *entry = NULL;
3708 int i;
3709 int rc;
3710 char *filter;
3711 enum lsa_SidType type = SID_NAME_USE_NONE;
3712
3713 if (sid_check_is_builtin(domain_sid)) {
3714 type = SID_NAME_ALIAS;
3715 }
3716
3717 if (sid_check_is_domain(domain_sid)) {
3718 type = SID_NAME_ALIAS;
3719 }
3720
3721 if (type == SID_NAME_USE_NONE) {
3722 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3723 sid_string_dbg(domain_sid)));
3724 return NT_STATUS_UNSUCCESSFUL;
3725 }
3726
3727 filter = talloc_asprintf(mem_ctx,
3728 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3729 LDAP_OBJ_GROUPMAP, type);
3730
3731 for (i=0; i<num_members; i++)
3732 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3733 filter,
3734 sid_string_talloc(mem_ctx,
3735 &members[i]));
3736
3737 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3738
3739 if (filter == NULL) {
3740 return NT_STATUS_NO_MEMORY;
3741 }
3742
3743 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3744 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3745
3746 if (rc != LDAP_SUCCESS)
3747 return NT_STATUS_UNSUCCESSFUL;
3748
3749 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3750
3751 for (entry = ldap_first_entry(ldap_struct, result);
3752 entry != NULL;
3753 entry = ldap_next_entry(ldap_struct, entry))
3754 {
3755 fstring sid_str;
3756 DOM_SID sid;
3757 uint32 rid;
3758
3759 if (!smbldap_get_single_attribute(ldap_struct, entry,
3760 LDAP_ATTRIBUTE_SID,
3761 sid_str,
3762 sizeof(sid_str)-1))
3763 continue;
3764
3765 if (!string_to_sid(&sid, sid_str))
3766 continue;
3767
3768 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3769 continue;
3770
3771 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3772 p_num_alias_rids)) {
3773 ldap_msgfree(result);
3774 return NT_STATUS_NO_MEMORY;
3775 }
3776 }
3777
3778 ldap_msgfree(result);
3779 return NT_STATUS_OK;
3780 }
3781
3782 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3783 int policy_index,
3784 uint32 value)
3785 {
3786 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3787 int rc;
3788 LDAPMod **mods = NULL;
3789 fstring value_string;
3790 const char *policy_attr = NULL;
3791
3792 struct ldapsam_privates *ldap_state =
3793 (struct ldapsam_privates *)methods->private_data;
3794
3795 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3796
3797 if (!ldap_state->domain_dn) {
3798 return NT_STATUS_INVALID_PARAMETER;
3799 }
3800
3801 policy_attr = get_account_policy_attr(policy_index);
3802 if (policy_attr == NULL) {
3803 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3804 "policy\n"));
3805 return ntstatus;
3806 }
3807
3808 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3809
3810 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3811
3812 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3813 mods);
3814
3815 ldap_mods_free(mods, True);
3816
3817 if (rc != LDAP_SUCCESS) {
3818 return ntstatus;
3819 }
3820
3821 if (!cache_account_policy_set(policy_index, value)) {
3822 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3823 "update local tdb cache\n"));
3824 return ntstatus;
3825 }
3826
3827 return NT_STATUS_OK;
3828 }
3829
3830 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3831 int policy_index, uint32 value)
3832 {
3833 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3834 value);
3835 }
3836
3837 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3838 int policy_index,
3839 uint32 *value)
3840 {
3841 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3842 LDAPMessage *result = NULL;
3843 LDAPMessage *entry = NULL;
3844 int count;
3845 int rc;
3846 char **vals = NULL;
3847 char *filter;
3848 const char *policy_attr = NULL;
3849
3850 struct ldapsam_privates *ldap_state =
3851 (struct ldapsam_privates *)methods->private_data;
3852
3853 const char *attrs[2];
3854
3855 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3856
3857 if (!ldap_state->domain_dn) {
3858 return NT_STATUS_INVALID_PARAMETER;
3859 }
3860
3861 policy_attr = get_account_policy_attr(policy_index);
3862 if (!policy_attr) {
3863 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3864 "policy index: %d\n", policy_index));
3865 return ntstatus;
3866 }
3867
3868 attrs[0] = policy_attr;
3869 attrs[1] = NULL;
3870
3871 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3872 if (filter == NULL) {
3873 return NT_STATUS_NO_MEMORY;
3874 }
3875 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3876 LDAP_SCOPE_BASE, filter, attrs, 0,
3877 &result);
3878
3879 if (rc != LDAP_SUCCESS) {
3880 return ntstatus;
3881 }
3882
3883 count = ldap_count_entries(priv2ld(ldap_state), result);
3884 if (count < 1) {
3885 goto out;
3886 }
3887
3888 entry = ldap_first_entry(priv2ld(ldap_state), result);
3889 if (entry == NULL) {
3890 goto out;
3891 }
3892
3893 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3894 if (vals == NULL) {
3895 goto out;
3896 }
3897
3898 *value = (uint32)atol(vals[0]);
3899
3900 ntstatus = NT_STATUS_OK;
3901
3902 out:
3903 if (vals)
3904 ldap_value_free(vals);
3905 ldap_msgfree(result);
3906
3907 return ntstatus;
3908 }
3909
3910 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3911
3912 - if user hasn't decided to use account policies inside LDAP just reuse the
3913 old tdb values
3914
3915 - if there is a valid cache entry, return that
3916 - if there is an LDAP entry, update cache and return
3917 - otherwise set to default, update cache and return
3918
3919 Guenther
3920 */
3921 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3922 int policy_index, uint32 *value)
3923 {
3924 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3925
3926 if (cache_account_policy_get(policy_index, value)) {
3927 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3928 "cache\n"));
3929 return NT_STATUS_OK;
3930 }
3931
3932 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3933 value);
3934 if (NT_STATUS_IS_OK(ntstatus)) {
3935 goto update_cache;
3936 }
3937
3938 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3939 "ldap\n"));
3940
3941 #if 0
3942 /* should we automagically migrate old tdb value here ? */
3943 if (account_policy_get(policy_index, value))
3944 goto update_ldap;
3945
3946 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3947 "default\n", policy_index));
3948 #endif
3949
3950 if (!account_policy_get_default(policy_index, value)) {
3951 return ntstatus;
3952 }
3953
3954 /* update_ldap: */
3955
3956 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3957 if (!NT_STATUS_IS_OK(ntstatus)) {
3958 return ntstatus;
3959 }
3960
3961 update_cache:
3962
3963 if (!cache_account_policy_set(policy_index, *value)) {
3964 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3965 "tdb as a cache\n"));
3966 return NT_STATUS_UNSUCCESSFUL;
3967 }
3968
3969 return NT_STATUS_OK;
3970 }
3971
3972 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3973 const DOM_SID *domain_sid,
3974 int num_rids,
3975 uint32 *rids,
3976 const char **names,
3977 enum lsa_SidType *attrs)
3978 {
3979 struct ldapsam_privates *ldap_state =
3980 (struct ldapsam_privates *)methods->private_data;
3981 LDAPMessage *msg = NULL;
3982 LDAPMessage *entry;
3983 char *allsids = NULL;
3984 int i, rc, num_mapped;
3985 NTSTATUS result = NT_STATUS_NO_MEMORY;
3986 TALLOC_CTX *mem_ctx;
3987 LDAP *ld;
3988 bool is_builtin;
3989
3990 mem_ctx = talloc_new(NULL);
3991 if (mem_ctx == NULL) {
3992 DEBUG(0, ("talloc_new failed\n"));
3993 goto done;
3994 }
3995
3996 if (!sid_check_is_builtin(domain_sid) &&
3997 !sid_check_is_domain(domain_sid)) {
3998 result = NT_STATUS_INVALID_PARAMETER;
3999 goto done;
4000 }
4001
4002 for (i=0; i<num_rids; i++)
4003 attrs[i] = SID_NAME_UNKNOWN;
4004
4005 allsids = talloc_strdup(mem_ctx, "");
4006 if (allsids == NULL) {
4007 goto done;
4008 }
4009
4010 for (i=0; i<num_rids; i++) {
4011 DOM_SID sid;
4012 sid_compose(&sid, domain_sid, rids[i]);
4013 allsids = talloc_asprintf_append_buffer(
4014 allsids, "(sambaSid=%s)",
4015 sid_string_talloc(mem_ctx, &sid));
4016 if (allsids == NULL) {
4017 goto done;
4018 }
4019 }
4020
4021 /* First look for users */
4022
4023 {
4024 char *filter;
4025 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4026
4027 filter = talloc_asprintf(
4028 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4029 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4030
4031 if (filter == NULL) {
4032 goto done;
4033 }
4034
4035 rc = smbldap_search(ldap_state->smbldap_state,
4036 lp_ldap_user_suffix(),
4037 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4038 &msg);
4039 talloc_autofree_ldapmsg(mem_ctx, msg);
4040 }
4041
4042 if (rc != LDAP_SUCCESS)
4043 goto done;
4044
4045 ld = ldap_state->smbldap_state->ldap_struct;
4046 num_mapped = 0;
4047
4048 for (entry = ldap_first_entry(ld, msg);
4049 entry != NULL;
4050 entry = ldap_next_entry(ld, entry)) {
4051 uint32 rid;
4052 int rid_index;
4053 const char *name;
4054
4055 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4056 &rid)) {
4057 DEBUG(2, ("Could not find sid from ldap entry\n"));
4058 continue;
4059 }
4060
4061 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4062 names);
4063 if (name == NULL) {
4064 DEBUG(2, ("Could not retrieve uid attribute\n"));
4065 continue;
4066 }
4067
4068 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4069 if (rid == rids[rid_index])
4070 break;
4071 }
4072
4073 if (rid_index == num_rids) {
4074 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4075 continue;
4076 }
4077
4078 attrs[rid_index] = SID_NAME_USER;
4079 names[rid_index] = name;
4080 num_mapped += 1;
4081 }
4082
4083 if (num_mapped == num_rids) {
4084 /* No need to look for groups anymore -- we're done */
4085 result = NT_STATUS_OK;
4086 goto done;
4087 }
4088
4089 /* Same game for groups */
4090
4091 {
4092 char *filter;
4093 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4094 "sambaGroupType", NULL };
4095
4096 filter = talloc_asprintf(
4097 mem_ctx, "(&(objectClass=%s)(|%s))",
4098 LDAP_OBJ_GROUPMAP, allsids);
4099 if (filter == NULL) {
4100 goto done;
4101 }
4102
4103 rc = smbldap_search(ldap_state->smbldap_state,
4104 lp_ldap_suffix(),
4105 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4106 &msg);
4107 talloc_autofree_ldapmsg(mem_ctx, msg);
4108 }
4109
4110 if (rc != LDAP_SUCCESS)
4111 goto done;
4112
4113 /* ldap_struct might have changed due to a reconnect */
4114
4115 ld = ldap_state->smbldap_state->ldap_struct;
4116
4117 /* For consistency checks, we already checked we're only domain or builtin */
4118
4119 is_builtin = sid_check_is_builtin(domain_sid);
4120
4121 for (entry = ldap_first_entry(ld, msg);
4122 entry != NULL;
4123 entry = ldap_next_entry(ld, entry))
4124 {
4125 uint32 rid;
4126 int rid_index;
4127 const char *attr;
4128 enum lsa_SidType type;
4129 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4130
4131 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4132 mem_ctx);
4133 if (attr == NULL) {
4134 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4135 dn));
4136 continue;
4137 }
4138
4139 type = (enum lsa_SidType)atol(attr);
4140
4141 /* Consistency checks */
4142 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4143 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4144 (type != SID_NAME_DOM_GRP)))) {
4145 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4146 }
4147
4148 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4149 &rid)) {
4150 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4151 continue;
4152 }
4153
4154 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4155
4156 if (attr == NULL) {
4157 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4158 dn));
4159 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4160 }
4161
4162 if (attr == NULL) {
4163 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4164 dn));
4165 continue;
4166 }
4167
4168 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4169 if (rid == rids[rid_index])
4170 break;
4171 }
4172
4173 if (rid_index == num_rids) {
4174 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4175 continue;
4176 }
4177
4178 attrs[rid_index] = type;
4179 names[rid_index] = attr;
4180 num_mapped += 1;
4181 }
4182
4183 result = NT_STATUS_NONE_MAPPED;
4184
4185 if (num_mapped > 0)
4186 result = (num_mapped == num_rids) ?
4187 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4188 done:
4189 TALLOC_FREE(mem_ctx);
4190 return result;
4191 }
4192
4193 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4194 {
4195 char *filter = NULL;
4196 char *escaped = NULL;
4197 char *result = NULL;
4198
4199 if (asprintf(&filter, "(&%s(objectclass=%s))",
4200 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4201 goto done;
4202 }
4203
4204 escaped = escape_ldap_string_alloc(username);
4205 if (escaped == NULL) goto done;
4206
4207 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4208
4209 done:
4210 SAFE_FREE(filter);
4211 SAFE_FREE(escaped);
4212
4213 return result;
4214 }
4215
4216 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4217 {
4218 int i, num = 0;
4219 va_list ap;
4220 const char **result;
4221
4222 va_start(ap, mem_ctx);
4223 while (va_arg(ap, const char *) != NULL)
4224 num += 1;
4225 va_end(ap);
4226
4227 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4228 return NULL;
4229 }
4230
4231 va_start(ap, mem_ctx);
4232 for (i=0; i<num; i++) {
4233 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4234 if (result[i] == NULL) {
4235 talloc_free(result);
4236 va_end(ap);
4237 return NULL;
4238 }
4239 }
4240 va_end(ap);
4241
4242 result[num] = NULL;
4243 return result;
4244 }
4245
4246 struct ldap_search_state {
4247 struct smbldap_state *connection;
4248
4249 uint32 acct_flags;
4250 uint16 group_type;
4251
4252 const char *base;
4253 int scope;
4254 const char *filter;
4255 const char **attrs;
4256 int attrsonly;
4257 void *pagedresults_cookie;
4258
4259 LDAPMessage *entries, *current_entry;
4260 bool (*ldap2displayentry)(struct ldap_search_state *state,
4261 TALLOC_CTX *mem_ctx,
4262 LDAP *ld, LDAPMessage *entry,
4263 struct samr_displayentry *result);
4264 };
4265
4266 static bool ldapsam_search_firstpage(struct pdb_search *search)
4267 {
4268 struct ldap_search_state *state =
4269 (struct ldap_search_state *)search->private_data;
4270 LDAP *ld;
4271 int rc = LDAP_OPERATIONS_ERROR;
4272
4273 state->entries = NULL;
4274
4275 if (state->connection->paged_results) {
4276 rc = smbldap_search_paged(state->connection, state->base,
4277 state->scope, state->filter,
4278 state->attrs, state->attrsonly,
4279 lp_ldap_page_size(), &state->entries,
4280 &state->pagedresults_cookie);
4281 }
4282
4283 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4284
4285 if (state->entries != NULL) {
4286 /* Left over from unsuccessful paged attempt */
4287 ldap_msgfree(state->entries);
4288 state->entries = NULL;
4289 }
4290
4291 rc = smbldap_search(state->connection, state->base,
4292 state->scope, state->filter, state->attrs,
4293 state->attrsonly, &state->entries);
4294
4295 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4296 return False;
4297
4298 /* Ok, the server was lying. It told us it could do paged
4299 * searches when it could not. */
4300 state->connection->paged_results = False;
4301 }
4302
4303 ld = state->connection->ldap_struct;
4304 if ( ld == NULL) {
4305 DEBUG(5, ("Don't have an LDAP connection right after a "
4306 "search\n"));
4307 return False;
4308 }
4309 state->current_entry = ldap_first_entry(ld, state->entries);
4310
4311 if (state->current_entry == NULL) {
4312 ldap_msgfree(state->entries);
4313 state->entries = NULL;
4314 }
4315
4316 return True;
4317 }
4318
4319 static bool ldapsam_search_nextpage(struct pdb_search *search)
4320 {
4321 struct ldap_search_state *state =
4322 (struct ldap_search_state *)search->private_data;
4323 int rc;
4324
4325 if (!state->connection->paged_results) {
4326 /* There is no next page when there are no paged results */
4327 return False;
4328 }
4329
4330 rc = smbldap_search_paged(state->connection, state->base,
4331 state->scope, state->filter, state->attrs,
4332 state->attrsonly, lp_ldap_page_size(),
4333 &state->entries,
4334 &state->pagedresults_cookie);
4335
4336 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4337 return False;
4338
4339 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4340
4341 if (state->current_entry == NULL) {
4342 ldap_msgfree(state->entries);
4343 state->entries = NULL;
4344 return false;
4345 }
4346
4347 return True;
4348 }
4349
4350 static bool ldapsam_search_next_entry(struct pdb_search *search,
4351 struct samr_displayentry *entry)
4352 {
4353 struct ldap_search_state *state =
4354 (struct ldap_search_state *)search->private_data;
4355 bool result;
4356
4357 retry:
4358 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4359 return False;
4360
4361 if ((state->entries == NULL) &&
4362 !ldapsam_search_nextpage(search))
4363 return False;
4364
4365 result = state->ldap2displayentry(state, search,
4366 state->connection->ldap_struct,
4367 state->current_entry, entry);
4368
4369 if (!result) {
4370 char *dn;
4371 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4372 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4373 if (dn != NULL) ldap_memfree(dn);
4374 }
4375
4376 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4377
4378 if (state->current_entry == NULL) {
4379 ldap_msgfree(state->entries);
4380 state->entries = NULL;
4381 }
4382
4383 if (!result) goto retry;
4384
4385 return True;
4386 }
4387
4388 static void ldapsam_search_end(struct pdb_search *search)
4389 {
4390 struct ldap_search_state *state =
4391 (struct ldap_search_state *)search->private_data;
4392 int rc;
4393
4394 if (state->pagedresults_cookie == NULL)
4395 return;
4396
4397 if (state->entries != NULL)
4398 ldap_msgfree(state->entries);
4399
4400 state->entries = NULL;
4401 state->current_entry = NULL;
4402
4403 if (!state->connection->paged_results)
4404 return;
4405
4406 /* Tell the LDAP server we're not interested in the rest anymore. */
4407
4408 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4409 state->filter, state->attrs,
4410 state->attrsonly, 0, &state->entries,
4411 &state->pagedresults_cookie);
4412
4413 if (rc != LDAP_SUCCESS)
4414 DEBUG(5, ("Could not end search properly\n"));
4415
4416 return;
4417 }
4418
4419 static bool ldapuser2displayentry(struct ldap_search_state *state,
4420 TALLOC_CTX *mem_ctx,
4421 LDAP *ld, LDAPMessage *entry,
4422 struct samr_displayentry *result)
4423 {
4424 char **vals;
4425 size_t converted_size;
4426 DOM_SID sid;
4427 uint32 acct_flags;
4428
4429 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4430 if ((vals == NULL) || (vals[0] == NULL)) {
4431 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4432 return False;
4433 }
4434 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4435 ldap_value_free(vals);
4436
4437 if ((state->acct_flags != 0) &&
4438 ((state->acct_flags & acct_flags) == 0))
4439 return False;
4440
4441 result->acct_flags = acct_flags;
4442 result->account_name = "";
4443 result->fullname = "";
4444 result->description = "";
4445
4446 vals = ldap_get_values(ld, entry, "uid");
4447 if ((vals == NULL) || (vals[0] == NULL)) {
4448 DEBUG(5, ("\"uid\" not found\n"));
4449 return False;
4450 }
4451 if (!pull_utf8_talloc(mem_ctx,
4452 CONST_DISCARD(char **, &result->account_name),
4453 vals[0], &converted_size))
4454 {
4455 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4456 strerror(errno)));
4457 }
4458
4459 ldap_value_free(vals);
4460
4461 vals = ldap_get_values(ld, entry, "displayName");
4462 if ((vals == NULL) || (vals[0] == NULL))
4463 DEBUG(8, ("\"displayName\" not found\n"));
4464 else if (!pull_utf8_talloc(mem_ctx,
4465 CONST_DISCARD(char **, &result->fullname),
4466 vals[0], &converted_size))
4467 {
4468 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4469 strerror(errno)));
4470 }
4471
4472 ldap_value_free(vals);
4473
4474 vals = ldap_get_values(ld, entry, "description");
4475 if ((vals == NULL) || (vals[0] == NULL))
4476 DEBUG(8, ("\"description\" not found\n"));
4477 else if (!pull_utf8_talloc(mem_ctx,
4478 CONST_DISCARD(char **, &result->description),
4479 vals[0], &converted_size))
4480 {
4481 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4482 strerror(errno)));
4483 }
4484
4485 ldap_value_free(vals);
4486
4487 if ((result->account_name == NULL) ||
4488 (result->fullname == NULL) ||
4489 (result->description == NULL)) {
4490 DEBUG(0, ("talloc failed\n"));
4491 return False;
4492 }
4493
4494 vals = ldap_get_values(ld, entry, "sambaSid");
4495 if ((vals == NULL) || (vals[0] == NULL)) {
4496 DEBUG(0, ("\"objectSid\" not found\n"));
4497 return False;
4498 }
4499
4500 if (!string_to_sid(&sid, vals[0])) {
4501 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4502 ldap_value_free(vals);
4503 return False;
4504 }
4505 ldap_value_free(vals);
4506
4507 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4508 DEBUG(0, ("sid %s does not belong to our domain\n",
4509 sid_string_dbg(&sid)));
4510 return False;
4511 }
4512
4513 return True;
4514 }
4515
4516
4517 static bool ldapsam_search_users(struct pdb_methods *methods,
4518 struct pdb_search *search,
4519 uint32 acct_flags)
4520 {
4521 struct ldapsam_privates *ldap_state =
4522 (struct ldapsam_privates *)methods->private_data;
4523 struct ldap_search_state *state;
4524
4525 state = talloc(search, struct ldap_search_state);
4526 if (state == NULL) {
4527 DEBUG(0, ("talloc failed\n"));
4528 return False;
4529 }
4530
4531 state->connection = ldap_state->smbldap_state;
4532
4533 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4534 state->base = lp_ldap_user_suffix();
4535 else if ((acct_flags != 0) &&
4536 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4537 state->base = lp_ldap_machine_suffix();
4538 else
4539 state->base = lp_ldap_suffix();
4540
4541 state->acct_flags = acct_flags;
4542 state->base = talloc_strdup(search, state->base);
4543 state->scope = LDAP_SCOPE_SUBTREE;
4544 state->filter = get_ldap_filter(search, "*");
4545 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4546 "displayName", "description",
4547 "sambaAcctFlags", NULL);
4548 state->attrsonly = 0;
4549 state->pagedresults_cookie = NULL;
4550 state->entries = NULL;
4551 state->ldap2displayentry = ldapuser2displayentry;
4552
4553 if ((state->filter == NULL) || (state->attrs == NULL)) {
4554 DEBUG(0, ("talloc failed\n"));
4555 return False;
4556 }
4557
4558 search->private_data = state;
4559 search->next_entry = ldapsam_search_next_entry;
4560 search->search_end = ldapsam_search_end;
4561
4562 return ldapsam_search_firstpage(search);
4563 }
4564
4565 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4566 TALLOC_CTX *mem_ctx,
4567 LDAP *ld, LDAPMessage *entry,
4568 struct samr_displayentry *result)
4569 {
4570 char **vals;
4571 size_t converted_size;
4572 DOM_SID sid;
4573 uint16 group_type;
4574
4575 result->account_name = "";
4576 result->fullname = "";
4577 result->description = "";
4578
4579
4580 vals = ldap_get_values(ld, entry, "sambaGroupType");
4581 if ((vals == NULL) || (vals[0] == NULL)) {
4582 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4583 if (vals != NULL) {
4584 ldap_value_free(vals);
4585 }
4586 return False;
4587 }
4588
4589 group_type = atoi(vals[0]);
4590
4591 if ((state->group_type != 0) &&
4592 ((state->group_type != group_type))) {
4593 ldap_value_free(vals);
4594 return False;
4595 }
4596
4597 ldap_value_free(vals);
4598
4599 /* display name is the NT group name */
4600
4601 vals = ldap_get_values(ld, entry, "displayName");
4602 if ((vals == NULL) || (vals[0] == NULL)) {
4603 DEBUG(8, ("\"displayName\" not found\n"));
4604
4605 /* fallback to the 'cn' attribute */
4606 vals = ldap_get_values(ld, entry, "cn");
4607 if ((vals == NULL) || (vals[0] == NULL)) {
4608 DEBUG(5, ("\"cn\" not found\n"));
4609 return False;
4610 }
4611 if (!pull_utf8_talloc(mem_ctx,
4612 CONST_DISCARD(char **,
4613 &result->account_name),
4614 vals[0], &converted_size))
4615 {
4616 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4617 "failed: %s", strerror(errno)));
4618 }
4619 }
4620 else if (!pull_utf8_talloc(mem_ctx,
4621 CONST_DISCARD(char **,
4622 &result->account_name),
4623 vals[0], &converted_size))
4624 {
4625 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4626 strerror(errno)));
4627 }
4628
4629 ldap_value_free(vals);
4630
4631 vals = ldap_get_values(ld, entry, "description");
4632 if ((vals == NULL) || (vals[0] == NULL))
4633 DEBUG(8, ("\"description\" not found\n"));
4634 else if (!pull_utf8_talloc(mem_ctx,
4635 CONST_DISCARD(char **, &result->description),
4636 vals[0], &converted_size))
4637 {
4638 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4639 strerror(errno)));
4640 }
4641 ldap_value_free(vals);
4642
4643 if ((result->account_name == NULL) ||
4644 (result->fullname == NULL) ||
4645 (result->description == NULL)) {
4646 DEBUG(0, ("talloc failed\n"));
4647 return False;
4648 }
4649
4650 vals = ldap_get_values(ld, entry, "sambaSid");
4651 if ((vals == NULL) || (vals[0] == NULL)) {
4652 DEBUG(0, ("\"objectSid\" not found\n"));
4653 if (vals != NULL) {
4654 ldap_value_free(vals);
4655 }
4656 return False;
4657 }
4658
4659 if (!string_to_sid(&sid, vals[0])) {
4660 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4661 return False;
4662 }
4663
4664 ldap_value_free(vals);
4665
4666 switch (group_type) {
4667 case SID_NAME_DOM_GRP:
4668 case SID_NAME_ALIAS:
4669
4670 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4671 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4672 {
4673 DEBUG(0, ("%s is not in our domain\n",
4674 sid_string_dbg(&sid)));
4675 return False;
4676 }
4677 break;
4678
4679 default:
4680 DEBUG(0,("unkown group type: %d\n", group_type));
4681 return False;
4682 }
4683
4684 result->acct_flags = 0;
4685
4686 return True;
4687 }
4688
4689 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4690 struct pdb_search *search,
4691 const DOM_SID *sid,
4692 enum lsa_SidType type)
4693 {
4694 struct ldapsam_privates *ldap_state =
4695 (struct ldapsam_privates *)methods->private_data;
4696 struct ldap_search_state *state;
4697 fstring tmp;
4698
4699 state = talloc(search, struct ldap_search_state);
4700 if (state == NULL) {
4701 DEBUG(0, ("talloc failed\n"));
4702 return False;
4703 }
4704
4705 state->connection = ldap_state->smbldap_state;
4706
4707 state->base = talloc_strdup(search, lp_ldap_suffix());
4708 state->connection = ldap_state->smbldap_state;
4709 state->scope = LDAP_SCOPE_SUBTREE;
4710 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4711 "(sambaGroupType=%d)(sambaSID=%s*))",
4712 LDAP_OBJ_GROUPMAP,
4713 type, sid_to_fstring(tmp, sid));
4714 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4715 "displayName", "description",
4716 "sambaGroupType", NULL);
4717 state->attrsonly = 0;
4718 state->pagedresults_cookie = NULL;
4719 state->entries = NULL;
4720 state->group_type = type;
4721 state->ldap2displayentry = ldapgroup2displayentry;
4722
4723 if ((state->filter == NULL) || (state->attrs == NULL)) {
4724 DEBUG(0, ("talloc failed\n"));
4725 return False;
4726 }
4727
4728 search->private_data = state;
4729 search->next_entry = ldapsam_search_next_entry;
4730 search->search_end = ldapsam_search_end;
4731
4732 return ldapsam_search_firstpage(search);
4733 }
4734
4735 static bool ldapsam_search_groups(struct pdb_methods *methods,
4736 struct pdb_search *search)
4737 {
4738 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4739 }
4740
4741 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4742 struct pdb_search *search,
4743 const DOM_SID *sid)
4744 {
4745 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4746 }
4747
4748 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4749 {
4750 return False;
4751 }
4752
4753 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4754 uint32 *rid)
4755 {
4756 struct smbldap_state *smbldap_state = priv->smbldap_state;
4757
4758 LDAPMessage *result = NULL;
4759 LDAPMessage *entry = NULL;
4760 LDAPMod **mods = NULL;
4761 NTSTATUS status;
4762 char *value;
4763 int rc;
4764 uint32 nextRid = 0;
4765 const char *dn;
4766
4767 TALLOC_CTX *mem_ctx;
4768
4769 mem_ctx = talloc_new(NULL);
4770 if (mem_ctx == NULL) {
4771 DEBUG(0, ("talloc_new failed\n"));
4772 return NT_STATUS_NO_MEMORY;
4773 }
4774
4775 status = smbldap_search_domain_info(smbldap_state, &result,
4776 get_global_sam_name(), False);
4777 if (!NT_STATUS_IS_OK(status)) {
4778 DEBUG(3, ("Could not get domain info: %s\n",
4779 nt_errstr(status)));
4780 goto done;
4781 }
4782
4783 talloc_autofree_ldapmsg(mem_ctx, result);
4784
4785 entry = ldap_first_entry(priv2ld(priv), result);
4786 if (entry == NULL) {
4787 DEBUG(0, ("Could not get domain info entry\n"));
4788 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4789 goto done;
4790 }
4791
4792 /* Find the largest of the three attributes "sambaNextRid",
4793 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4794 concept of differentiating between user and group rids, and will
4795 use only "sambaNextRid" in the future. But for compatibility
4796 reasons I look if others have chosen different strategies -- VL */
4797
4798 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4799 "sambaNextRid", mem_ctx);
4800 if (value != NULL) {
4801 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4802 nextRid = MAX(nextRid, tmp);
4803 }
4804
4805 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4806 "sambaNextUserRid", mem_ctx);
4807 if (value != NULL) {
4808 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4809 nextRid = MAX(nextRid, tmp);
4810 }
4811
4812 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4813 "sambaNextGroupRid", mem_ctx);
4814 if (value != NULL) {
4815 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4816 nextRid = MAX(nextRid, tmp);
4817 }
4818
4819 if (nextRid == 0) {
4820 nextRid = BASE_RID-1;
4821 }
4822
4823 nextRid += 1;
4824
4825 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4826 talloc_asprintf(mem_ctx, "%d", nextRid));
4827 talloc_autofree_ldapmod(mem_ctx, mods);
4828
4829 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4830 status = NT_STATUS_NO_MEMORY;
4831 goto done;
4832 }
4833
4834 rc = smbldap_modify(smbldap_state, dn, mods);
4835
4836 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4837 * please retry" */
4838
4839 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4840
4841 done:
4842 if (NT_STATUS_IS_OK(status)) {
4843 *rid = nextRid;
4844 }
4845
4846 TALLOC_FREE(mem_ctx);
4847 return status;
4848 }
4849
4850 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4851 {
4852 int i;
4853
4854 for (i=0; i<10; i++) {
4855 NTSTATUS result = ldapsam_get_new_rid(
4856 (struct ldapsam_privates *)methods->private_data, rid);
4857 if (NT_STATUS_IS_OK(result)) {
4858 return result;
4859 }
4860
4861 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4862 return result;
4863 }
4864
4865 /* The ldap update failed (maybe a race condition), retry */
4866 }
4867
4868 /* Tried 10 times, fail. */
4869 return NT_STATUS_ACCESS_DENIED;
4870 }
4871
4872 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4873 {
4874 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4875 return NT_STATUS_IS_OK(result) ? True : False;
4876 }
4877
4878 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4879 const DOM_SID *sid,
4880 union unid_t *id, enum lsa_SidType *type)
4881 {
4882 struct ldapsam_privates *priv =
4883 (struct ldapsam_privates *)methods->private_data;
4884 char *filter;
4885 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4886 NULL };
4887 LDAPMessage *result = NULL;
4888 LDAPMessage *entry = NULL;
4889 bool ret = False;
4890 char *value;
4891 int rc;
4892
4893 TALLOC_CTX *mem_ctx;
4894
4895 mem_ctx = talloc_new(NULL);
4896 if (mem_ctx == NULL) {
4897 DEBUG(0, ("talloc_new failed\n"));
4898 return False;
4899 }
4900
4901 filter = talloc_asprintf(mem_ctx,
4902 "(&(sambaSid=%s)"
4903 "(|(objectClass=%s)(objectClass=%s)))",
4904 sid_string_talloc(mem_ctx, sid),
4905 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4906 if (filter == NULL) {
4907 DEBUG(5, ("talloc_asprintf failed\n"));
4908 goto done;
4909 }
4910
4911 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4912 attrs, &result);
4913 if (rc != LDAP_SUCCESS) {
4914 goto done;
4915 }
4916 talloc_autofree_ldapmsg(mem_ctx, result);
4917
4918 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4919 DEBUG(10, ("Got %d entries, expected one\n",
4920 ldap_count_entries(priv2ld(priv), result)));
4921 goto done;
4922 }
4923
4924 entry = ldap_first_entry(priv2ld(priv), result);
4925
4926 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4927 "sambaGroupType", mem_ctx);
4928
4929 if (value != NULL) {
4930 const char *gid_str;
4931 /* It's a group */
4932
4933 gid_str = smbldap_talloc_single_attribute(
4934 priv2ld(priv), entry, "gidNumber", mem_ctx);
4935 if (gid_str == NULL) {
4936 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4937 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4938 entry)));
4939 goto done;
4940 }
4941
4942 id->gid = strtoul(gid_str, NULL, 10);
4943 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4944 ret = True;
4945 goto done;
4946 }
4947
4948 /* It must be a user */
4949
4950 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4951 "uidNumber", mem_ctx);
4952 if (value == NULL) {
4953 DEBUG(1, ("Could not find uidNumber in %s\n",
4954 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4955 goto done;
4956 }
4957
4958 id->uid = strtoul(value, NULL, 10);
4959 *type = SID_NAME_USER;
4960
4961 ret = True;
4962 done:
4963 TALLOC_FREE(mem_ctx);
4964 return ret;
4965 }
4966
4967 /*
4968 * The following functions is called only if
4969 * ldapsam:trusted and ldapsam:editposix are
4970 * set to true
4971 */
4972
4973 /*
4974 * ldapsam_create_user creates a new
4975 * posixAccount and sambaSamAccount object
4976 * in the ldap users subtree
4977 *
4978 * The uid is allocated by winbindd.
4979 */
4980
4981 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4982 TALLOC_CTX *tmp_ctx, const char *name,
4983 uint32 acb_info, uint32 *rid)
4984 {
4985 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4986 LDAPMessage *entry = NULL;
4987 LDAPMessage *result = NULL;
4988 uint32 num_result;
4989 bool is_machine = False;
4990 bool add_posix = False;
4991 LDAPMod **mods = NULL;
4992 struct samu *user;
4993 char *filter;
4994 char *username;
4995 char *homedir;
4996 char *gidstr;
4997 char *uidstr;
4998 char *shell;
4999 const char *dn = NULL;
5000 DOM_SID group_sid;
5001 DOM_SID user_sid;
5002 gid_t gid = -1;
5003 uid_t uid = -1;
5004 NTSTATUS ret;
5005 int rc;
5006
5007 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5008 acb_info & ACB_WSTRUST ||
5009 acb_info & ACB_SVRTRUST ||
5010 acb_info & ACB_DOMTRUST) {
5011 is_machine = True;
5012 }
5013
5014 username = escape_ldap_string_alloc(name);
5015 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5016 username, LDAP_OBJ_POSIXACCOUNT);
5017 SAFE_FREE(username);
5018
5019 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5020 if (rc != LDAP_SUCCESS) {
5021 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5022 return NT_STATUS_ACCESS_DENIED;
5023 }
5024 talloc_autofree_ldapmsg(tmp_ctx, result);
5025
5026 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5027
5028 if (num_result > 1) {
5029 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5030 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5031 }
5032
5033 if (num_result == 1) {
5034 char *tmp;
5035 /* check if it is just a posix account.
5036 * or if there is a sid attached to this entry
5037 */
5038
5039 entry = ldap_first_entry(priv2ld(ldap_state), result);
5040 if (!entry) {
5041 return NT_STATUS_UNSUCCESSFUL;
5042 }
5043
5044 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5045 if (tmp) {
5046 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5047 return NT_STATUS_USER_EXISTS;
5048 }
5049
5050 /* it is just a posix account, retrieve the dn for later use */
5051 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5052 if (!dn) {
5053 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5054 return NT_STATUS_NO_MEMORY;
5055 }
5056 }
5057
5058 if (num_result == 0) {
5059 add_posix = True;
5060 }
5061
5062 /* Create the basic samu structure and generate the mods for the ldap commit */
5063 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5064 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5065 return ret;
5066 }
5067
5068 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5069
5070 user = samu_new(tmp_ctx);
5071 if (!user) {
5072 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5073 return NT_STATUS_NO_MEMORY;
5074 }
5075
5076 if (!pdb_set_username(user, name, PDB_SET)) {
5077 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5078 return NT_STATUS_UNSUCCESSFUL;
5079 }
5080 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5081 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5082 return NT_STATUS_UNSUCCESSFUL;
5083 }
5084 if (is_machine) {
5085 if (acb_info & ACB_NORMAL) {
5086 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5087 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5088 return NT_STATUS_UNSUCCESSFUL;
5089 }
5090 } else {
5091 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5092 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5093 return NT_STATUS_UNSUCCESSFUL;
5094 }
5095 }
5096 } else {
5097 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5098 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5099 return NT_STATUS_UNSUCCESSFUL;
5100 }
5101 }
5102
5103 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5104 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5105 return NT_STATUS_UNSUCCESSFUL;
5106 }
5107
5108 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5109 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5110 return NT_STATUS_UNSUCCESSFUL;
5111 }
5112
5113 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5114 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5115 }
5116 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5117
5118 if (add_posix) {
5119 char *escape_name;
5120
5121 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5122
5123 /* retrieve the Domain Users group gid */
5124 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5125 !sid_to_gid(&group_sid, &gid)) {
5126 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5127 return NT_STATUS_INVALID_PRIMARY_GROUP;
5128 }
5129
5130 /* lets allocate a new userid for this user */
5131 if (!winbind_allocate_uid(&uid)) {
5132 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5133 return NT_STATUS_UNSUCCESSFUL;
5134 }
5135
5136
5137 if (is_machine) {
5138 /* TODO: choose a more appropriate default for machines */
5139 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5140 shell = talloc_strdup(tmp_ctx, "/bin/false");
5141 } else {
5142 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5143 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5144 }
5145 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5146 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5147
5148 escape_name = escape_rdn_val_string_alloc(name);
5149 if (!escape_name) {
5150 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5151 return NT_STATUS_NO_MEMORY;
5152 }
5153
5154 if (is_machine) {
5155 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5156 } else {
5157 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5158 }
5159
5160 SAFE_FREE(escape_name);
5161
5162 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5163 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5164 return NT_STATUS_NO_MEMORY;
5165 }
5166
5167 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5168 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5169 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5170 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5171 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5172 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5173 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5174 }
5175
5176 talloc_autofree_ldapmod(tmp_ctx, mods);
5177
5178 if (add_posix) {
5179 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5180 } else {
5181 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5182 }
5183
5184 if (rc != LDAP_SUCCESS) {
5185 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5186 return NT_STATUS_UNSUCCESSFUL;
5187 }
5188
5189 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5190
5191 flush_pwnam_cache();
5192
5193 return NT_STATUS_OK;
5194 }
5195
5196 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5197 TALLOC_CTX *tmp_ctx,
5198 uint32 group_rid,
5199 uint32 member_rid);
5200
5201 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
5202 TALLOC_CTX *mem_ctx,
5203 struct samu *user,
5204 DOM_SID **pp_sids,
5205 gid_t **pp_gids,
5206 size_t *p_num_groups);
5207
5208 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5209 {
5210 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5211 LDAPMessage *result = NULL;
5212 LDAPMessage *entry = NULL;
5213 int num_result;
5214 const char *dn;
5215 char *filter;
5216 int rc;
5217
5218 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5219
5220 filter = talloc_asprintf(tmp_ctx,
5221 "(&(uid=%s)"
5222 "(objectClass=%s)"
5223 "(objectClass=%s))",
5224 pdb_get_username(sam_acct),
5225 LDAP_OBJ_POSIXACCOUNT,
5226 LDAP_OBJ_SAMBASAMACCOUNT);
5227 if (filter == NULL) {
5228 return NT_STATUS_NO_MEMORY;
5229 }
5230
5231 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5232 if (rc != LDAP_SUCCESS) {
5233 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5234 return NT_STATUS_UNSUCCESSFUL;
5235 }
5236 talloc_autofree_ldapmsg(tmp_ctx, result);
5237
5238 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5239
5240 if (num_result == 0) {
5241 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5242 return NT_STATUS_NO_SUCH_USER;
5243 }
5244
5245 if (num_result > 1) {
5246 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5247 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5248 }
5249
5250 entry = ldap_first_entry(priv2ld(ldap_state), result);
5251 if (!entry) {
5252 return NT_STATUS_UNSUCCESSFUL;
5253 }
5254
5255 /* it is just a posix account, retrieve the dn for later use */
5256 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5257 if (!dn) {
5258 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5259 return NT_STATUS_NO_MEMORY;
5260 }
5261
5262 /* try to remove memberships first */
5263 {
5264 NTSTATUS status;
5265 struct dom_sid *sids = NULL;
5266 gid_t *gids = NULL;
5267 size_t num_groups = 0;
5268 int i;
5269 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5270
5271 status = ldapsam_enum_group_memberships(my_methods,
5272 tmp_ctx,
5273 sam_acct,
5274 &sids,
5275 &gids,
5276 &num_groups);
5277 if (!NT_STATUS_IS_OK(status)) {
5278 goto delete_dn;
5279 }
5280
5281 for (i=0; i < num_groups; i++) {
5282
5283 uint32_t group_rid;
5284
5285 sid_peek_rid(&sids[i], &group_rid);
5286
5287 ldapsam_del_groupmem(my_methods,
5288 tmp_ctx,
5289 group_rid,
5290 user_rid);
5291 }
5292 }
5293
5294 delete_dn:
5295
5296 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5297 if (rc != LDAP_SUCCESS) {
5298 return NT_STATUS_UNSUCCESSFUL;
5299 }
5300
5301 flush_pwnam_cache();
5302
5303 return NT_STATUS_OK;
5304 }
5305
5306 /*
5307 * ldapsam_create_group creates a new
5308 * posixGroup and sambaGroupMapping object
5309 * in the ldap groups subtree
5310 *
5311 * The gid is allocated by winbindd.
5312 */
5313
5314 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5315 TALLOC_CTX *tmp_ctx,
5316 const char *name,
5317 uint32 *rid)
5318 {
5319 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5320 NTSTATUS ret;
5321 LDAPMessage *entry = NULL;
5322 LDAPMessage *result = NULL;
5323 uint32 num_result;
5324 bool is_new_entry = False;
5325 LDAPMod **mods = NULL;
5326 char *filter;
5327 char *groupsidstr;
5328 char *groupname;
5329 char *grouptype;
5330 char *gidstr;
5331 const char *dn = NULL;
5332 DOM_SID group_sid;
5333 gid_t gid = -1;
5334 int rc;
5335
5336 groupname = escape_ldap_string_alloc(name);
5337 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5338 groupname, LDAP_OBJ_POSIXGROUP);
5339 SAFE_FREE(groupname);
5340
5341 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5342 if (rc != LDAP_SUCCESS) {
5343 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5344 return NT_STATUS_UNSUCCESSFUL;
5345 }
5346 talloc_autofree_ldapmsg(tmp_ctx, result);
5347
5348 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5349
5350 if (num_result > 1) {
5351 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5352 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5353 }
5354
5355 if (num_result == 1) {
5356 char *tmp;
5357 /* check if it is just a posix group.
5358 * or if there is a sid attached to this entry
5359 */
5360
5361 entry = ldap_first_entry(priv2ld(ldap_state), result);
5362 if (!entry) {
5363 return NT_STATUS_UNSUCCESSFUL;
5364 }
5365
5366 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5367 if (tmp) {
5368 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5369 return NT_STATUS_GROUP_EXISTS;
5370 }
5371
5372 /* it is just a posix group, retrieve the gid and the dn for later use */
5373 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5374 if (!tmp) {
5375 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5376 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5377 }
5378
5379 gid = strtoul(tmp, NULL, 10);
5380
5381 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5382 if (!dn) {
5383 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5384 return NT_STATUS_NO_MEMORY;
5385 }
5386 }
5387
5388 if (num_result == 0) {
5389 char *escape_name;
5390
5391 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5392
5393 is_new_entry = True;
5394
5395 /* lets allocate a new groupid for this group */
5396 if (!winbind_allocate_gid(&gid)) {
5397 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5398 return NT_STATUS_UNSUCCESSFUL;
5399 }
5400
5401 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5402
5403 escape_name = escape_rdn_val_string_alloc(name);
5404 if (!escape_name) {
5405 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5406 return NT_STATUS_NO_MEMORY;
5407 }
5408
5409 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5410
5411 SAFE_FREE(escape_name);
5412
5413 if (!gidstr || !dn) {
5414 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5415 return NT_STATUS_NO_MEMORY;
5416 }
5417
5418 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5419 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5420 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5421 }
5422
5423 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5424 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5425 return ret;
5426 }
5427
5428 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5429
5430 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5431 &group_sid));
5432 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5433
5434 if (!groupsidstr || !grouptype) {
5435 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5436 return NT_STATUS_NO_MEMORY;
5437 }
5438
5439 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5440 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5441 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5442 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5443 talloc_autofree_ldapmod(tmp_ctx, mods);
5444
5445 if (is_new_entry) {
5446 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5447 #if 0
5448 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5449 /* This call may fail with rfc2307bis schema */
5450 /* Retry adding a structural class */
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5452 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5453 }
5454 #endif
5455 } else {
5456 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5457 }
5458
5459 if (rc != LDAP_SUCCESS) {
5460 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5461 return NT_STATUS_UNSUCCESSFUL;
5462 }
5463
5464 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5465
5466 return NT_STATUS_OK;
5467 }
5468
5469 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5470 {
5471 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5472 LDAPMessage *result = NULL;
5473 LDAPMessage *entry = NULL;
5474 int num_result;
5475 const char *dn;
5476 char *gidstr;
5477 char *filter;
5478 DOM_SID group_sid;
5479 int rc;
5480
5481 /* get the group sid */
5482 sid_compose(&group_sid, get_global_sam_sid(), rid);
5483
5484 filter = talloc_asprintf(tmp_ctx,
5485 "(&(sambaSID=%s)"
5486 "(objectClass=%s)"
5487 "(objectClass=%s))",
5488 sid_string_talloc(tmp_ctx, &group_sid),
5489 LDAP_OBJ_POSIXGROUP,
5490 LDAP_OBJ_GROUPMAP);
5491 if (filter == NULL) {
5492 return NT_STATUS_NO_MEMORY;
5493 }
5494
5495 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5496 if (rc != LDAP_SUCCESS) {
5497 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5498 return NT_STATUS_UNSUCCESSFUL;
5499 }
5500 talloc_autofree_ldapmsg(tmp_ctx, result);
5501
5502 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5503
5504 if (num_result == 0) {
5505 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5506 return NT_STATUS_NO_SUCH_GROUP;
5507 }
5508
5509 if (num_result > 1) {
5510 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5511 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5512 }
5513
5514 entry = ldap_first_entry(priv2ld(ldap_state), result);
5515 if (!entry) {
5516 return NT_STATUS_UNSUCCESSFUL;
5517 }
5518
5519 /* here it is, retrieve the dn for later use */
5520 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5521 if (!dn) {
5522 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5523 return NT_STATUS_NO_MEMORY;
5524 }
5525
5526 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5527 if (!gidstr) {
5528 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5529 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5530 }
5531
5532 /* check no user have this group marked as primary group */
5533 filter = talloc_asprintf(tmp_ctx,
5534 "(&(gidNumber=%s)"
5535 "(objectClass=%s)"
5536 "(objectClass=%s))",
5537 gidstr,
5538 LDAP_OBJ_POSIXACCOUNT,
5539 LDAP_OBJ_SAMBASAMACCOUNT);
5540
5541 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5542 if (rc != LDAP_SUCCESS) {
5543 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5544 return NT_STATUS_UNSUCCESSFUL;
5545 }
5546 talloc_autofree_ldapmsg(tmp_ctx, result);
5547
5548 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5549
5550 if (num_result != 0) {
5551 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5552 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5553 }
5554
5555 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5556 if (rc != LDAP_SUCCESS) {
5557 return NT_STATUS_UNSUCCESSFUL;
5558 }
5559
5560 return NT_STATUS_OK;
5561 }
5562
5563 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5564 TALLOC_CTX *tmp_ctx,
5565 uint32 group_rid,
5566 uint32 member_rid,
5567 int modop)
5568 {
5569 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5570 LDAPMessage *entry = NULL;
5571 LDAPMessage *result = NULL;
5572 uint32 num_result;
5573 LDAPMod **mods = NULL;
5574 char *filter;
5575 char *uidstr;
5576 const char *dn = NULL;
5577 DOM_SID group_sid;
5578 DOM_SID member_sid;
5579 int rc;
5580
5581 switch (modop) {
5582 case LDAP_MOD_ADD:
5583 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5584 break;
5585 case LDAP_MOD_DELETE:
5586 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5587 break;
5588 default:
5589 return NT_STATUS_UNSUCCESSFUL;
5590 }
5591
5592 /* get member sid */
5593 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5594
5595 /* get the group sid */
5596 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5597
5598 filter = talloc_asprintf(tmp_ctx,
5599 "(&(sambaSID=%s)"
5600 "(objectClass=%s)"
5601 "(objectClass=%s))",
5602 sid_string_talloc(tmp_ctx, &member_sid),
5603 LDAP_OBJ_POSIXACCOUNT,
5604 LDAP_OBJ_SAMBASAMACCOUNT);
5605 if (filter == NULL) {
5606 return NT_STATUS_NO_MEMORY;
5607 }
5608
5609 /* get the member uid */
5610 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5611 if (rc != LDAP_SUCCESS) {
5612 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5613 return NT_STATUS_UNSUCCESSFUL;
5614 }
5615 talloc_autofree_ldapmsg(tmp_ctx, result);
5616
5617 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5618
5619 if (num_result == 0) {
5620 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5621 return NT_STATUS_NO_SUCH_MEMBER;
5622 }
5623
5624 if (num_result > 1) {
5625 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5626 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5627 }
5628
5629 entry = ldap_first_entry(priv2ld(ldap_state), result);
5630 if (!entry) {
5631 return NT_STATUS_UNSUCCESSFUL;
5632 }
5633
5634 if (modop == LDAP_MOD_DELETE) {
5635 /* check if we are trying to remove the member from his primary group */
5636 char *gidstr;
5637 gid_t user_gid, group_gid;
5638
5639 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5640 if (!gidstr) {
5641 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5642 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5643 }
5644
5645 user_gid = strtoul(gidstr, NULL, 10);
5646
5647 if (!sid_to_gid(&group_sid, &group_gid)) {
5648 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5649 return NT_STATUS_UNSUCCESSFUL;
5650 }
5651
5652 if (user_gid == group_gid) {
5653 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5654 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5655 }
5656 }
5657
5658 /* here it is, retrieve the uid for later use */
5659 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5660 if (!uidstr) {
5661 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5662 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5663 }
5664
5665 filter = talloc_asprintf(tmp_ctx,
5666 "(&(sambaSID=%s)"
5667 "(objectClass=%s)"
5668 "(objectClass=%s))",
5669 sid_string_talloc(tmp_ctx, &group_sid),
5670 LDAP_OBJ_POSIXGROUP,
5671 LDAP_OBJ_GROUPMAP);
5672
5673 /* get the group */
5674 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5675 if (rc != LDAP_SUCCESS) {
5676 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5677 return NT_STATUS_UNSUCCESSFUL;
5678 }
5679 talloc_autofree_ldapmsg(tmp_ctx, result);
5680
5681 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5682
5683 if (num_result == 0) {
5684 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5685 return NT_STATUS_NO_SUCH_GROUP;
5686 }
5687
5688 if (num_result > 1) {
5689 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5690 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5691 }
5692
5693 entry = ldap_first_entry(priv2ld(ldap_state), result);
5694 if (!entry) {
5695 return NT_STATUS_UNSUCCESSFUL;
5696 }
5697
5698 /* here it is, retrieve the dn for later use */
5699 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5700 if (!dn) {
5701 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5702 return NT_STATUS_NO_MEMORY;
5703 }
5704
5705 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5706
5707 talloc_autofree_ldapmod(tmp_ctx, mods);
5708
5709 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5710 if (rc != LDAP_SUCCESS) {
5711 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5712 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5713 return NT_STATUS_MEMBER_IN_GROUP;
5714 }
5715 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5716 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5717 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5718 }
5719 return NT_STATUS_UNSUCCESSFUL;
5720 }
5721
5722 return NT_STATUS_OK;
5723 }
5724
5725 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5726 TALLOC_CTX *tmp_ctx,
5727 uint32 group_rid,
5728 uint32 member_rid)
5729 {
5730 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5731 }
5732 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5733 TALLOC_CTX *tmp_ctx,
5734 uint32 group_rid,
5735 uint32 member_rid)
5736 {
5737 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5738 }
5739
5740 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5741 TALLOC_CTX *mem_ctx,
5742 struct samu *sampass)
5743 {
5744 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5745 LDAPMessage *entry = NULL;
5746 LDAPMessage *result = NULL;
5747 uint32 num_result;
5748 LDAPMod **mods = NULL;
5749 char *filter;
5750 char *escape_username;
5751 char *gidstr;
5752 const char *dn = NULL;
5753 gid_t gid;
5754 int rc;
5755
5756 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5757
5758 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5759 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5760 return NT_STATUS_UNSUCCESSFUL;
5761 }
5762 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5763 if (!gidstr) {
5764 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5765 return NT_STATUS_NO_MEMORY;
5766 }
5767
5768 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5769 if (escape_username== NULL) {
5770 return NT_STATUS_NO_MEMORY;
5771 }
5772
5773 filter = talloc_asprintf(mem_ctx,
5774 "(&(uid=%s)"
5775 "(objectClass=%s)"
5776 "(objectClass=%s))",
5777 escape_username,
5778 LDAP_OBJ_POSIXACCOUNT,
5779 LDAP_OBJ_SAMBASAMACCOUNT);
5780
5781 SAFE_FREE(escape_username);
5782
5783 if (filter == NULL) {
5784 return NT_STATUS_NO_MEMORY;
5785 }
5786
5787 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5788 if (rc != LDAP_SUCCESS) {
5789 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5790 return NT_STATUS_UNSUCCESSFUL;
5791 }
5792 talloc_autofree_ldapmsg(mem_ctx, result);
5793
5794 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5795
5796 if (num_result == 0) {
5797 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5798 return NT_STATUS_NO_SUCH_USER;
5799 }
5800
5801 if (num_result > 1) {
5802 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5803 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5804 }
5805
5806 entry = ldap_first_entry(priv2ld(ldap_state), result);
5807 if (!entry) {
5808 return NT_STATUS_UNSUCCESSFUL;
5809 }
5810
5811 /* retrieve the dn for later use */
5812 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5813 if (!dn) {
5814 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5815 return NT_STATUS_NO_MEMORY;
5816 }
5817
5818 /* remove the old one, and add the new one, this way we do not risk races */
5819 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5820
5821 if (mods == NULL) {
5822 return NT_STATUS_OK;
5823 }
5824
5825 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5826
5827 if (rc != LDAP_SUCCESS) {
5828 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5829 pdb_get_username(sampass), gidstr));
5830 return NT_STATUS_UNSUCCESSFUL;
5831 }
5832
5833 flush_pwnam_cache();
5834
5835 return NT_STATUS_OK;
5836 }
5837
5838
5839 /**********************************************************************
5840 trusted domains functions
5841 *********************************************************************/
5842
5843 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5844 const char *domain)
5845 {
5846 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5847 ldap_state->domain_dn);
5848 }
5849
5850 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5851 TALLOC_CTX *mem_ctx,
5852 const char *domain, LDAPMessage **entry)
5853 {
5854 int rc;
5855 char *filter;
5856 int scope = LDAP_SCOPE_SUBTREE;
5857 const char **attrs = NULL; /* NULL: get all attrs */
5858 int attrsonly = 0; /* 0: return values too */
5859 LDAPMessage *result = NULL;
5860 char *trusted_dn;
5861 uint32 num_result;
5862
5863 filter = talloc_asprintf(talloc_tos(),
5864 "(&(objectClass=%s)(sambaDomainName=%s))",
5865 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5866
5867 trusted_dn = trusteddom_dn(ldap_state, domain);
5868 if (trusted_dn == NULL) {
5869 return False;
5870 }
5871 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5872 filter, attrs, attrsonly, &result);
5873
5874 if (result != NULL) {
5875 talloc_autofree_ldapmsg(mem_ctx, result);
5876 }
5877
5878 if (rc == LDAP_NO_SUCH_OBJECT) {
5879 *entry = NULL;
5880 return True;
5881 }
5882
5883 if (rc != LDAP_SUCCESS) {
5884 return False;
5885 }
5886
5887 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5888
5889 if (num_result > 1) {
5890 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5891 "%s object for domain '%s'?!\n",
5892 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5893 return False;
5894 }
5895
5896 if (num_result == 0) {
5897 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5898 "%s object for domain %s.\n",
5899 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5900 *entry = NULL;
5901 } else {
5902 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5903 }
5904
5905 return True;
5906 }
5907
5908 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5909 const char *domain,
5910 char** pwd,
5911 DOM_SID *sid,
5912 time_t *pass_last_set_time)
5913 {
5914 struct ldapsam_privates *ldap_state =
5915 (struct ldapsam_privates *)methods->private_data;
5916 LDAPMessage *entry = NULL;
5917
5918 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5919
5920 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5921 (entry == NULL))
5922 {
5923 return False;
5924 }
5925
5926 /* password */
5927 if (pwd != NULL) {
5928 char *pwd_str;
5929 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5930 entry, "sambaClearTextPassword", talloc_tos());
5931 if (pwd_str == NULL) {
5932 return False;
5933 }
5934 /* trusteddom_pw routines do not use talloc yet... */
5935 *pwd = SMB_STRDUP(pwd_str);
5936 if (*pwd == NULL) {
5937 return False;
5938 }
5939 }
5940
5941 /* last change time */
5942 if (pass_last_set_time != NULL) {
5943 char *time_str;
5944 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5945 entry, "sambaPwdLastSet", talloc_tos());
5946 if (time_str == NULL) {
5947 return False;
5948 }
5949 *pass_last_set_time = (time_t)atol(time_str);
5950 }
5951
5952 /* domain sid */
5953 if (sid != NULL) {
5954 char *sid_str;
5955 DOM_SID *dom_sid;
5956 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5957 entry, "sambaSID",
5958 talloc_tos());
5959 if (sid_str == NULL) {
5960 return False;
5961 }
5962 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5963 if (dom_sid == NULL) {
5964 return False;
5965 }
5966 sid_copy(sid, dom_sid);
5967 }
5968
5969 return True;
5970 }
5971
5972 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5973 const char* domain,
5974 const char* pwd,
5975 const DOM_SID *sid)
5976 {
5977 struct ldapsam_privates *ldap_state =
5978 (struct ldapsam_privates *)methods->private_data;
5979 LDAPMessage *entry = NULL;
5980 LDAPMod **mods = NULL;
5981 char *prev_pwd = NULL;
5982 char *trusted_dn = NULL;
5983 int rc;
5984
5985 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5986
5987 /*
5988 * get the current entry (if there is one) in order to put the
5989 * current password into the previous password attribute
5990 */
5991 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5992 return False;
5993 }
5994
5995 mods = NULL;
5996 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5997 LDAP_OBJ_TRUSTDOM_PASSWORD);
5998 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5999 domain);
6000 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6001 sid_string_tos(sid));
6002 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6003 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6004 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6005 "sambaClearTextPassword", pwd);
6006
6007 talloc_autofree_ldapmod(talloc_tos(), mods);
6008
6009 if (entry != NULL) {
6010 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6011 entry, "sambaClearTextPassword", talloc_tos());
6012 if (prev_pwd != NULL) {
6013 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6014 "sambaPreviousClearTextPassword",
6015 prev_pwd);
6016 }
6017 }
6018
6019 trusted_dn = trusteddom_dn(ldap_state, domain);
6020 if (trusted_dn == NULL) {
6021 return False;
6022 }
6023 if (entry == NULL) {
6024 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6025 } else {
6026 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6027 }
6028
6029 if (rc != LDAP_SUCCESS) {
6030 DEBUG(1, ("error writing trusted domain password!\n"));
6031 return False;
6032 }
6033
6034 return True;
6035 }
6036
6037 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6038 const char *domain)
6039 {
6040 int rc;
6041 struct ldapsam_privates *ldap_state =
6042 (struct ldapsam_privates *)methods->private_data;
6043 LDAPMessage *entry = NULL;
6044 const char *trusted_dn;
6045
6046 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6047 return False;
6048 }
6049
6050 if (entry == NULL) {
6051 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6052 "%s\n", domain));
6053 return True;
6054 }
6055
6056 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6057 entry);
6058 if (trusted_dn == NULL) {
6059 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6060 return False;
6061 }
6062
6063 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6064 if (rc != LDAP_SUCCESS) {
6065 return False;
6066 }
6067
6068 return True;
6069 }
6070
6071 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6072 TALLOC_CTX *mem_ctx,
6073 uint32 *num_domains,
6074 struct trustdom_info ***domains)
6075 {
6076 int rc;
6077 struct ldapsam_privates *ldap_state =
6078 (struct ldapsam_privates *)methods->private_data;
6079 char *filter;
6080 int scope = LDAP_SCOPE_SUBTREE;
6081 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6082 int attrsonly = 0; /* 0: return values too */
6083 LDAPMessage *result = NULL;
6084 LDAPMessage *entry = NULL;
6085
6086 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6087 LDAP_OBJ_TRUSTDOM_PASSWORD);
6088
6089 rc = smbldap_search(ldap_state->smbldap_state,
6090 ldap_state->domain_dn,
6091 scope,
6092 filter,
6093 attrs,
6094 attrsonly,
6095 &result);
6096
6097 if (result != NULL) {
6098 talloc_autofree_ldapmsg(mem_ctx, result);
6099 }
6100
6101 if (rc != LDAP_SUCCESS) {
6102 return NT_STATUS_UNSUCCESSFUL;
6103 }
6104
6105 *num_domains = 0;
6106 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6107 DEBUG(1, ("talloc failed\n"));
6108 return NT_STATUS_NO_MEMORY;
6109 }
6110
6111 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6112 entry != NULL;
6113 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6114 {
6115 char *dom_name, *dom_sid_str;
6116 struct trustdom_info *dom_info;
6117
6118 dom_info = TALLOC_P(*domains, struct trustdom_info);
6119 if (dom_info == NULL) {
6120 DEBUG(1, ("talloc failed\n"));
6121 return NT_STATUS_NO_MEMORY;
6122 }
6123
6124 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6125 entry,
6126 "sambaDomainName",
6127 talloc_tos());
6128 if (dom_name == NULL) {
6129 DEBUG(1, ("talloc failed\n"));
6130 return NT_STATUS_NO_MEMORY;
6131 }
6132 dom_info->name = dom_name;
6133
6134 dom_sid_str = smbldap_talloc_single_attribute(
6135 priv2ld(ldap_state), entry, "sambaSID",
6136 talloc_tos());
6137 if (dom_sid_str == NULL) {
6138 DEBUG(1, ("talloc failed\n"));
6139 return NT_STATUS_NO_MEMORY;
6140 }
6141 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6142 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6143 dom_sid_str));
6144 return NT_STATUS_UNSUCCESSFUL;
6145 }
6146
6147 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6148 domains, num_domains);
6149
6150 if (*domains == NULL) {
6151 DEBUG(1, ("talloc failed\n"));
6152 return NT_STATUS_NO_MEMORY;
6153 }
6154 }
6155
6156 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6157 return NT_STATUS_OK;
6158 }
6159
6160
6161 /**********************************************************************
6162 Housekeeping
6163 *********************************************************************/
6164
6165 static void free_private_data(void **vp)
6166 {
6167 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6168
6169 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6170
6171 if ((*ldap_state)->result != NULL) {
6172 ldap_msgfree((*ldap_state)->result);
6173 (*ldap_state)->result = NULL;
6174 }
6175 if ((*ldap_state)->domain_dn != NULL) {
6176 SAFE_FREE((*ldap_state)->domain_dn);
6177 }
6178
6179 *ldap_state = NULL;
6180
6181 /* No need to free any further, as it is talloc()ed */
6182 }
6183
6184 /*********************************************************************
6185 Intitalise the parts of the pdb_methods structure that are common to
6186 all pdb_ldap modes
6187 *********************************************************************/
6188
6189 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6190 {
6191 NTSTATUS nt_status;
6192 struct ldapsam_privates *ldap_state;
6193
6194 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6195 return nt_status;
6196 }
6197
6198 (*pdb_method)->name = "ldapsam";
6199
6200 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6201 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6202 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6203 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6204 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6205 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6206
6207 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6208 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6209 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6210 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6211 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6212 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6213 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6214
6215 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6216 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6217
6218 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6219
6220 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6221 (*pdb_method)->new_rid = ldapsam_new_rid;
6222
6223 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6224 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6225 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6226 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6227
6228 /* TODO: Setup private data and free */
6229
6230 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6231 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6232 return NT_STATUS_NO_MEMORY;
6233 }
6234
6235 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6236 location, &ldap_state->smbldap_state);
6237
6238 if ( !NT_STATUS_IS_OK(nt_status) ) {
6239 return nt_status;
6240 }
6241
6242 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6243 return NT_STATUS_NO_MEMORY;
6244 }
6245
6246 (*pdb_method)->private_data = ldap_state;
6247
6248 (*pdb_method)->free_private_data = free_private_data;
6249
6250 return NT_STATUS_OK;
6251 }
6252
6253 /**********************************************************************
6254 Initialise the 'compat' mode for pdb_ldap
6255 *********************************************************************/
6256
6257 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6258 {
6259 NTSTATUS nt_status;
6260 struct ldapsam_privates *ldap_state;
6261 char *uri = talloc_strdup( NULL, location );
6262
6263 trim_char( uri, '\"', '\"' );
6264 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6265 if ( uri )
6266 TALLOC_FREE( uri );
6267
6268 if ( !NT_STATUS_IS_OK(nt_status) ) {
6269 return nt_status;
6270 }
6271
6272 (*pdb_method)->name = "ldapsam_compat";
6273
6274 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6275 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6276
6277 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6278
6279 return NT_STATUS_OK;
6280 }
6281
6282 /**********************************************************************
6283 Initialise the normal mode for pdb_ldap
6284 *********************************************************************/
6285
6286 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6287 {
6288 NTSTATUS nt_status;
6289 struct ldapsam_privates *ldap_state = NULL;
6290 uint32 alg_rid_base;
6291 char *alg_rid_base_string = NULL;
6292 LDAPMessage *result = NULL;
6293 LDAPMessage *entry = NULL;
6294 DOM_SID ldap_domain_sid;
6295 DOM_SID secrets_domain_sid;
6296 char *domain_sid_string = NULL;
6297 char *dn = NULL;
6298 char *uri = talloc_strdup( NULL, location );
6299
6300 trim_char( uri, '\"', '\"' );
6301 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6302 if (uri) {
6303 TALLOC_FREE(uri);
6304 }
6305
6306 if (!NT_STATUS_IS_OK(nt_status)) {
6307 return nt_status;
6308 }
6309
6310 (*pdb_method)->name = "ldapsam";
6311
6312 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6313 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6314 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6315 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6316 (*pdb_method)->search_users = ldapsam_search_users;
6317 (*pdb_method)->search_groups = ldapsam_search_groups;
6318 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6319
6320 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6321 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6322 (*pdb_method)->enum_group_memberships =
6323 ldapsam_enum_group_memberships;
6324 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6325 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6326
6327 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6328 (*pdb_method)->create_user = ldapsam_create_user;
6329 (*pdb_method)->delete_user = ldapsam_delete_user;
6330 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6331 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6332 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6333 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6334 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6335 }
6336 }
6337
6338 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6339 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6340
6341 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6342
6343 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6344 &result,
6345 ldap_state->domain_name, True);
6346
6347 if ( !NT_STATUS_IS_OK(nt_status) ) {
6348 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6349 "info, nor add one to the domain\n"));
6350 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6351 "will be unable to allocate new users/groups, "
6352 "and will risk BDCs having inconsistant SIDs\n"));
6353 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6354 return NT_STATUS_OK;
6355 }
6356
6357 /* Given that the above might fail, everything below this must be
6358 * optional */
6359
6360 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6361 result);
6362 if (!entry) {
6363 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6364 "entry\n"));
6365 ldap_msgfree(result);
6366 return NT_STATUS_UNSUCCESSFUL;
6367 }
6368
6369 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6370 if (!dn) {
6371 ldap_msgfree(result);
6372 return NT_STATUS_UNSUCCESSFUL;
6373 }
6374
6375 ldap_state->domain_dn = smb_xstrdup(dn);
6376 TALLOC_FREE(dn);
6377
6378 domain_sid_string = smbldap_talloc_single_attribute(
6379 ldap_state->smbldap_state->ldap_struct,
6380 entry,
6381 get_userattr_key2string(ldap_state->schema_ver,
6382 LDAP_ATTR_USER_SID),
6383 talloc_tos());
6384
6385 if (domain_sid_string) {
6386 bool found_sid;
6387 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6388 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6389 "read as a valid SID\n", domain_sid_string));
6390 ldap_msgfree(result);
6391 TALLOC_FREE(domain_sid_string);
6392 return NT_STATUS_INVALID_PARAMETER;
6393 }
6394 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6395 &secrets_domain_sid);
6396 if (!found_sid || !sid_equal(&secrets_domain_sid,
6397 &ldap_domain_sid)) {
6398 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6399 "%s based on pdb_ldap results %s -> %s\n",
6400 ldap_state->domain_name,
6401 sid_string_dbg(&secrets_domain_sid),
6402 sid_string_dbg(&ldap_domain_sid)));
6403
6404 /* reset secrets.tdb sid */
6405 secrets_store_domain_sid(ldap_state->domain_name,
6406 &ldap_domain_sid);
6407 DEBUG(1, ("New global sam SID: %s\n",
6408 sid_string_dbg(get_global_sam_sid())));
6409 }
6410 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6411 TALLOC_FREE(domain_sid_string);
6412 }
6413
6414 alg_rid_base_string = smbldap_talloc_single_attribute(
6415 ldap_state->smbldap_state->ldap_struct,
6416 entry,
6417 get_attr_key2string( dominfo_attr_list,
6418 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6419 talloc_tos());
6420 if (alg_rid_base_string) {
6421 alg_rid_base = (uint32)atol(alg_rid_base_string);
6422 if (alg_rid_base != algorithmic_rid_base()) {
6423 DEBUG(0, ("The value of 'algorithmic RID base' has "
6424 "changed since the LDAP\n"
6425 "database was initialised. Aborting. \n"));
6426 ldap_msgfree(result);
6427 TALLOC_FREE(alg_rid_base_string);
6428 return NT_STATUS_UNSUCCESSFUL;
6429 }
6430 TALLOC_FREE(alg_rid_base_string);
6431 }
6432 ldap_msgfree(result);
6433
6434 return NT_STATUS_OK;
6435 }
6436
6437 NTSTATUS pdb_ldap_init(void)
6438 {
6439 NTSTATUS nt_status;
6440 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6441 return nt_status;
6442
6443 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6444 return nt_status;
6445
6446 /* Let pdb_nds register backends */
6447 pdb_nds_init();
6448
6449 return NT_STATUS_OK;
6450 }
WIP