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s3-nss_wins: Fix unresolved ldb symbols in libnss_wins.so.
[Samba.git] / source3 / passdb / pdb_ldap.c
blobb706721e77d83a8145e3384a7d7a5201bdd2da8f
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_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
1704 if (!ldap_state->is_nds_ldap) {
1705
1706 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1707 LDAP_EXOP_MODIFY_PASSWD)) {
1708 DEBUG(2, ("ldap password change requested, but LDAP "
1709 "server does not support it -- ignoring\n"));
1710 return NT_STATUS_OK;
1711 }
1712 }
1713
1714 if (!push_utf8_allocate(&utf8_password,
1715 pdb_get_plaintext_passwd(newpwd),
1716 &converted_size))
1717 {
1718 return NT_STATUS_NO_MEMORY;
1719 }
1720
1721 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1722 SAFE_FREE(utf8_password);
1723 return NT_STATUS_NO_MEMORY;
1724 }
1725
1726 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1727 DEBUG(0,("ber_alloc_t returns NULL\n"));
1728 SAFE_FREE(utf8_password);
1729 SAFE_FREE(utf8_dn);
1730 return NT_STATUS_UNSUCCESSFUL;
1731 }
1732
1733 if ((ber_printf (ber, "{") < 0) ||
1734 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn) < 0) ||
1735 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password) < 0) ||
1736 (ber_printf (ber, "n}") < 0)) {
1737 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a value <0\n"));
1738 ber_free(ber,1);
1739 SAFE_FREE(utf8_dn);
1740 SAFE_FREE(utf8_password);
1741 return NT_STATUS_UNSUCCESSFUL;
1742 }
1743
1744 if ((rc = ber_flatten (ber, &bv))<0) {
1745 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1746 ber_free(ber,1);
1747 SAFE_FREE(utf8_dn);
1748 SAFE_FREE(utf8_password);
1749 return NT_STATUS_UNSUCCESSFUL;
1750 }
1751
1752 SAFE_FREE(utf8_dn);
1753 SAFE_FREE(utf8_password);
1754 ber_free(ber, 1);
1755
1756 if (!ldap_state->is_nds_ldap) {
1757 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1758 LDAP_EXOP_MODIFY_PASSWD,
1759 bv, NULL, NULL, &retoid,
1760 &retdata);
1761 } else {
1762 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1763 pdb_get_plaintext_passwd(newpwd));
1764 }
1765 if (rc != LDAP_SUCCESS) {
1766 char *ld_error = NULL;
1767
1768 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1769 DEBUG(3, ("Could not set userPassword "
1770 "attribute due to an objectClass "
1771 "violation -- ignoring\n"));
1772 ber_bvfree(bv);
1773 return NT_STATUS_OK;
1774 }
1775
1776 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1777 &ld_error);
1778 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1779 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1780 SAFE_FREE(ld_error);
1781 ber_bvfree(bv);
1782 #if defined(LDAP_CONSTRAINT_VIOLATION)
1783 if (rc == LDAP_CONSTRAINT_VIOLATION)
1784 return NT_STATUS_PASSWORD_RESTRICTION;
1785 #endif
1786 return NT_STATUS_UNSUCCESSFUL;
1787 } else {
1788 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1789 #ifdef DEBUG_PASSWORD
1790 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1791 #endif
1792 if (retdata)
1793 ber_bvfree(retdata);
1794 if (retoid)
1795 ldap_memfree(retoid);
1796 }
1797 ber_bvfree(bv);
1798 }
1799 return NT_STATUS_OK;
1800 }
1801
1802 /**********************************************************************
1803 Delete entry from LDAP for username.
1804 *********************************************************************/
1805
1806 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1807 struct samu * sam_acct)
1808 {
1809 struct ldapsam_privates *priv =
1810 (struct ldapsam_privates *)my_methods->private_data;
1811 const char *sname;
1812 int rc;
1813 LDAPMessage *msg, *entry;
1814 NTSTATUS result = NT_STATUS_NO_MEMORY;
1815 const char **attr_list;
1816 TALLOC_CTX *mem_ctx;
1817
1818 if (!sam_acct) {
1819 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1820 return NT_STATUS_INVALID_PARAMETER;
1821 }
1822
1823 sname = pdb_get_username(sam_acct);
1824
1825 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1826 "LDAP.\n", sname));
1827
1828 mem_ctx = talloc_new(NULL);
1829 if (mem_ctx == NULL) {
1830 DEBUG(0, ("talloc_new failed\n"));
1831 goto done;
1832 }
1833
1834 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1835 if (attr_list == NULL) {
1836 goto done;
1837 }
1838
1839 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1840
1841 if ((rc != LDAP_SUCCESS) ||
1842 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1843 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1844 DEBUG(5, ("Could not find user %s\n", sname));
1845 result = NT_STATUS_NO_SUCH_USER;
1846 goto done;
1847 }
1848
1849 rc = ldapsam_delete_entry(
1850 priv, mem_ctx, entry,
1851 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1852 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1853 attr_list);
1854
1855 result = (rc == LDAP_SUCCESS) ?
1856 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1857
1858 done:
1859 TALLOC_FREE(mem_ctx);
1860 return result;
1861 }
1862
1863 /**********************************************************************
1864 Helper function to determine for update_sam_account whether
1865 we need LDAP modification.
1866 *********************************************************************/
1867
1868 static bool element_is_changed(const struct samu *sampass,
1869 enum pdb_elements element)
1870 {
1871 return IS_SAM_CHANGED(sampass, element);
1872 }
1873
1874 /**********************************************************************
1875 Update struct samu.
1876 *********************************************************************/
1877
1878 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1879 {
1880 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1881 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1882 int rc = 0;
1883 char *dn;
1884 LDAPMessage *result = NULL;
1885 LDAPMessage *entry = NULL;
1886 LDAPMod **mods = NULL;
1887 const char **attr_list;
1888
1889 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1890 if (!result) {
1891 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1892 if (pdb_get_username(newpwd) == NULL) {
1893 return NT_STATUS_INVALID_PARAMETER;
1894 }
1895 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1896 TALLOC_FREE( attr_list );
1897 if (rc != LDAP_SUCCESS) {
1898 return NT_STATUS_UNSUCCESSFUL;
1899 }
1900 pdb_set_backend_private_data(newpwd, result, NULL,
1901 my_methods, PDB_CHANGED);
1902 talloc_autofree_ldapmsg(newpwd, result);
1903 }
1904
1905 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1906 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1907 return NT_STATUS_UNSUCCESSFUL;
1908 }
1909
1910 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1911 dn = smbldap_talloc_dn(NULL, ldap_state->smbldap_state->ldap_struct, entry);
1912 if (!dn) {
1913 return NT_STATUS_UNSUCCESSFUL;
1914 }
1915
1916 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1917
1918 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1919 element_is_changed)) {
1920 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1921 TALLOC_FREE(dn);
1922 if (mods != NULL)
1923 ldap_mods_free(mods,True);
1924 return NT_STATUS_UNSUCCESSFUL;
1925 }
1926
1927 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1928 && (mods == NULL)) {
1929 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1930 pdb_get_username(newpwd)));
1931 TALLOC_FREE(dn);
1932 return NT_STATUS_OK;
1933 }
1934
1935 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1936
1937 if (mods != NULL) {
1938 ldap_mods_free(mods,True);
1939 }
1940
1941 TALLOC_FREE(dn);
1942
1943 /*
1944 * We need to set the backend private data to NULL here. For example
1945 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1946 * same one, and with the explicit delete / add logic for attribute
1947 * values the second time we would use the wrong "old" value which
1948 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1949 * the update.
1950 * The existing LDAPMessage is still being auto-freed by the
1951 * destructor.
1952 */
1953 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1954 PDB_CHANGED);
1955
1956 if (!NT_STATUS_IS_OK(ret)) {
1957 return ret;
1958 }
1959
1960 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1961 pdb_get_username(newpwd)));
1962 return NT_STATUS_OK;
1963 }
1964
1965 /***************************************************************************
1966 Renames a struct samu
1967 - The "rename user script" has full responsibility for changing everything
1968 ***************************************************************************/
1969
1970 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1971 struct samu *old_acct,
1972 const char *newname)
1973 {
1974 const char *oldname;
1975 int rc;
1976 char *rename_script = NULL;
1977 fstring oldname_lower, newname_lower;
1978
1979 if (!old_acct) {
1980 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1981 return NT_STATUS_INVALID_PARAMETER;
1982 }
1983 if (!newname) {
1984 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1985 return NT_STATUS_INVALID_PARAMETER;
1986 }
1987
1988 oldname = pdb_get_username(old_acct);
1989
1990 /* rename the posix user */
1991 rename_script = SMB_STRDUP(lp_renameuser_script());
1992 if (rename_script == NULL) {
1993 return NT_STATUS_NO_MEMORY;
1994 }
1995
1996 if (!(*rename_script)) {
1997 SAFE_FREE(rename_script);
1998 return NT_STATUS_ACCESS_DENIED;
1999 }
2000
2001 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2002 oldname, newname));
2003
2004 /* We have to allow the account name to end with a '$'.
2005 Also, follow the semantics in _samr_create_user() and lower case the
2006 posix name but preserve the case in passdb */
2007
2008 fstrcpy( oldname_lower, oldname );
2009 strlower_m( oldname_lower );
2010 fstrcpy( newname_lower, newname );
2011 strlower_m( newname_lower );
2012 rename_script = realloc_string_sub2(rename_script,
2013 "%unew",
2014 newname_lower,
2015 true,
2016 true);
2017 if (!rename_script) {
2018 return NT_STATUS_NO_MEMORY;
2019 }
2020 rename_script = realloc_string_sub2(rename_script,
2021 "%uold",
2022 oldname_lower,
2023 true,
2024 true);
2025 rc = smbrun(rename_script, NULL);
2026
2027 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2028 rename_script, rc));
2029
2030 SAFE_FREE(rename_script);
2031
2032 if (rc == 0) {
2033 smb_nscd_flush_user_cache();
2034 }
2035
2036 if (rc)
2037 return NT_STATUS_UNSUCCESSFUL;
2038
2039 return NT_STATUS_OK;
2040 }
2041
2042 /**********************************************************************
2043 Helper function to determine for update_sam_account whether
2044 we need LDAP modification.
2045 *********************************************************************/
2046
2047 static bool element_is_set_or_changed(const struct samu *sampass,
2048 enum pdb_elements element)
2049 {
2050 return (IS_SAM_SET(sampass, element) ||
2051 IS_SAM_CHANGED(sampass, element));
2052 }
2053
2054 /**********************************************************************
2055 Add struct samu to LDAP.
2056 *********************************************************************/
2057
2058 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2059 {
2060 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2061 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2062 int rc;
2063 LDAPMessage *result = NULL;
2064 LDAPMessage *entry = NULL;
2065 LDAPMod **mods = NULL;
2066 int ldap_op = LDAP_MOD_REPLACE;
2067 uint32 num_result;
2068 const char **attr_list;
2069 char *escape_user = NULL;
2070 const char *username = pdb_get_username(newpwd);
2071 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2072 char *filter = NULL;
2073 char *dn = NULL;
2074 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2075 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2076
2077 if (!ctx) {
2078 return NT_STATUS_NO_MEMORY;
2079 }
2080
2081 if (!username || !*username) {
2082 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2083 status = NT_STATUS_INVALID_PARAMETER;
2084 goto fn_exit;
2085 }
2086
2087 /* free this list after the second search or in case we exit on failure */
2088 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2089
2090 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2091
2092 if (rc != LDAP_SUCCESS) {
2093 goto fn_exit;
2094 }
2095
2096 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2097 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2098 username));
2099 goto fn_exit;
2100 }
2101 ldap_msgfree(result);
2102 result = NULL;
2103
2104 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2105 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2106 sid, &result);
2107 if (rc == LDAP_SUCCESS) {
2108 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2109 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2110 "already in the base, with samba "
2111 "attributes\n", sid_string_dbg(sid)));
2112 goto fn_exit;
2113 }
2114 ldap_msgfree(result);
2115 result = NULL;
2116 }
2117 }
2118
2119 /* does the entry already exist but without a samba attributes?
2120 we need to return the samba attributes here */
2121
2122 escape_user = escape_ldap_string_alloc( username );
2123 filter = talloc_strdup(attr_list, "(uid=%u)");
2124 if (!filter) {
2125 status = NT_STATUS_NO_MEMORY;
2126 goto fn_exit;
2127 }
2128 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2129 if (!filter) {
2130 status = NT_STATUS_NO_MEMORY;
2131 goto fn_exit;
2132 }
2133 SAFE_FREE(escape_user);
2134
2135 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2136 filter, attr_list, &result);
2137 if ( rc != LDAP_SUCCESS ) {
2138 goto fn_exit;
2139 }
2140
2141 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2142
2143 if (num_result > 1) {
2144 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2145 goto fn_exit;
2146 }
2147
2148 /* Check if we need to update an existing entry */
2149 if (num_result == 1) {
2150 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2151 ldap_op = LDAP_MOD_REPLACE;
2152 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2153 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2154 if (!dn) {
2155 status = NT_STATUS_NO_MEMORY;
2156 goto fn_exit;
2157 }
2158
2159 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2160
2161 /* There might be a SID for this account already - say an idmap entry */
2162
2163 filter = talloc_asprintf(ctx,
2164 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2165 get_userattr_key2string(ldap_state->schema_ver,
2166 LDAP_ATTR_USER_SID),
2167 sid_string_talloc(ctx, sid),
2168 LDAP_OBJ_IDMAP_ENTRY,
2169 LDAP_OBJ_SID_ENTRY);
2170 if (!filter) {
2171 status = NT_STATUS_NO_MEMORY;
2172 goto fn_exit;
2173 }
2174
2175 /* free old result before doing a new search */
2176 if (result != NULL) {
2177 ldap_msgfree(result);
2178 result = NULL;
2179 }
2180 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2181 filter, attr_list, &result);
2182
2183 if ( rc != LDAP_SUCCESS ) {
2184 goto fn_exit;
2185 }
2186
2187 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2188
2189 if (num_result > 1) {
2190 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2191 goto fn_exit;
2192 }
2193
2194 /* Check if we need to update an existing entry */
2195 if (num_result == 1) {
2196
2197 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2198 ldap_op = LDAP_MOD_REPLACE;
2199 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2200 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2201 if (!dn) {
2202 status = NT_STATUS_NO_MEMORY;
2203 goto fn_exit;
2204 }
2205 }
2206 }
2207
2208 if (num_result == 0) {
2209 char *escape_username;
2210 /* Check if we need to add an entry */
2211 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2212 ldap_op = LDAP_MOD_ADD;
2213
2214 escape_username = escape_rdn_val_string_alloc(username);
2215 if (!escape_username) {
2216 status = NT_STATUS_NO_MEMORY;
2217 goto fn_exit;
2218 }
2219
2220 if (username[strlen(username)-1] == '$') {
2221 dn = talloc_asprintf(ctx,
2222 "uid=%s,%s",
2223 escape_username,
2224 lp_ldap_machine_suffix());
2225 } else {
2226 dn = talloc_asprintf(ctx,
2227 "uid=%s,%s",
2228 escape_username,
2229 lp_ldap_user_suffix());
2230 }
2231
2232 SAFE_FREE(escape_username);
2233 if (!dn) {
2234 status = NT_STATUS_NO_MEMORY;
2235 goto fn_exit;
2236 }
2237 }
2238
2239 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2240 element_is_set_or_changed)) {
2241 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2242 if (mods != NULL) {
2243 ldap_mods_free(mods, true);
2244 }
2245 goto fn_exit;
2246 }
2247
2248 if (mods == NULL) {
2249 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2250 goto fn_exit;
2251 }
2252 switch ( ldap_state->schema_ver ) {
2253 case SCHEMAVER_SAMBAACCOUNT:
2254 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2255 break;
2256 case SCHEMAVER_SAMBASAMACCOUNT:
2257 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2258 break;
2259 default:
2260 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2261 break;
2262 }
2263
2264 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2265 if (!NT_STATUS_IS_OK(ret)) {
2266 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2267 pdb_get_username(newpwd),dn));
2268 ldap_mods_free(mods, true);
2269 goto fn_exit;
2270 }
2271
2272 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2273 ldap_mods_free(mods, true);
2274
2275 status = NT_STATUS_OK;
2276
2277 fn_exit:
2278
2279 TALLOC_FREE(ctx);
2280 SAFE_FREE(escape_user);
2281 if (result) {
2282 ldap_msgfree(result);
2283 }
2284 return status;
2285 }
2286
2287 /**********************************************************************
2288 *********************************************************************/
2289
2290 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2291 const char *filter,
2292 LDAPMessage ** result)
2293 {
2294 int scope = LDAP_SCOPE_SUBTREE;
2295 int rc;
2296 const char **attr_list;
2297
2298 attr_list = get_attr_list(NULL, groupmap_attr_list);
2299 rc = smbldap_search(ldap_state->smbldap_state,
2300 lp_ldap_group_suffix (), scope,
2301 filter, attr_list, 0, result);
2302 TALLOC_FREE(attr_list);
2303
2304 return rc;
2305 }
2306
2307 /**********************************************************************
2308 *********************************************************************/
2309
2310 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2311 GROUP_MAP *map, LDAPMessage *entry)
2312 {
2313 char *temp = NULL;
2314 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2315
2316 if (ldap_state == NULL || map == NULL || entry == NULL ||
2317 ldap_state->smbldap_state->ldap_struct == NULL) {
2318 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2319 TALLOC_FREE(ctx);
2320 return false;
2321 }
2322
2323 temp = smbldap_talloc_single_attribute(
2324 ldap_state->smbldap_state->ldap_struct,
2325 entry,
2326 get_attr_key2string(groupmap_attr_list,
2327 LDAP_ATTR_GIDNUMBER),
2328 ctx);
2329 if (!temp) {
2330 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2331 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2332 TALLOC_FREE(ctx);
2333 return false;
2334 }
2335 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2336
2337 map->gid = (gid_t)atol(temp);
2338
2339 TALLOC_FREE(temp);
2340 temp = smbldap_talloc_single_attribute(
2341 ldap_state->smbldap_state->ldap_struct,
2342 entry,
2343 get_attr_key2string(groupmap_attr_list,
2344 LDAP_ATTR_GROUP_SID),
2345 ctx);
2346 if (!temp) {
2347 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2348 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2349 TALLOC_FREE(ctx);
2350 return false;
2351 }
2352
2353 if (!string_to_sid(&map->sid, temp)) {
2354 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2355 TALLOC_FREE(ctx);
2356 return false;
2357 }
2358
2359 TALLOC_FREE(temp);
2360 temp = smbldap_talloc_single_attribute(
2361 ldap_state->smbldap_state->ldap_struct,
2362 entry,
2363 get_attr_key2string(groupmap_attr_list,
2364 LDAP_ATTR_GROUP_TYPE),
2365 ctx);
2366 if (!temp) {
2367 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2368 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2369 TALLOC_FREE(ctx);
2370 return false;
2371 }
2372 map->sid_name_use = (enum lsa_SidType)atol(temp);
2373
2374 if ((map->sid_name_use < SID_NAME_USER) ||
2375 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2376 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2377 TALLOC_FREE(ctx);
2378 return false;
2379 }
2380
2381 TALLOC_FREE(temp);
2382 temp = smbldap_talloc_single_attribute(
2383 ldap_state->smbldap_state->ldap_struct,
2384 entry,
2385 get_attr_key2string(groupmap_attr_list,
2386 LDAP_ATTR_DISPLAY_NAME),
2387 ctx);
2388 if (!temp) {
2389 temp = smbldap_talloc_single_attribute(
2390 ldap_state->smbldap_state->ldap_struct,
2391 entry,
2392 get_attr_key2string(groupmap_attr_list,
2393 LDAP_ATTR_CN),
2394 ctx);
2395 if (!temp) {
2396 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2397 for gidNumber(%lu)\n",(unsigned long)map->gid));
2398 TALLOC_FREE(ctx);
2399 return false;
2400 }
2401 }
2402 fstrcpy(map->nt_name, temp);
2403
2404 TALLOC_FREE(temp);
2405 temp = smbldap_talloc_single_attribute(
2406 ldap_state->smbldap_state->ldap_struct,
2407 entry,
2408 get_attr_key2string(groupmap_attr_list,
2409 LDAP_ATTR_DESC),
2410 ctx);
2411 if (!temp) {
2412 temp = talloc_strdup(ctx, "");
2413 if (!temp) {
2414 TALLOC_FREE(ctx);
2415 return false;
2416 }
2417 }
2418 fstrcpy(map->comment, temp);
2419
2420 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2421 store_gid_sid_cache(&map->sid, map->gid);
2422 }
2423
2424 TALLOC_FREE(ctx);
2425 return true;
2426 }
2427
2428 /**********************************************************************
2429 *********************************************************************/
2430
2431 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2432 const char *filter,
2433 GROUP_MAP *map)
2434 {
2435 struct ldapsam_privates *ldap_state =
2436 (struct ldapsam_privates *)methods->private_data;
2437 LDAPMessage *result = NULL;
2438 LDAPMessage *entry = NULL;
2439 int count;
2440
2441 if (ldapsam_search_one_group(ldap_state, filter, &result)
2442 != LDAP_SUCCESS) {
2443 return NT_STATUS_NO_SUCH_GROUP;
2444 }
2445
2446 count = ldap_count_entries(priv2ld(ldap_state), result);
2447
2448 if (count < 1) {
2449 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2450 "%s\n", filter));
2451 ldap_msgfree(result);
2452 return NT_STATUS_NO_SUCH_GROUP;
2453 }
2454
2455 if (count > 1) {
2456 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2457 "count=%d\n", filter, count));
2458 ldap_msgfree(result);
2459 return NT_STATUS_NO_SUCH_GROUP;
2460 }
2461
2462 entry = ldap_first_entry(priv2ld(ldap_state), result);
2463
2464 if (!entry) {
2465 ldap_msgfree(result);
2466 return NT_STATUS_UNSUCCESSFUL;
2467 }
2468
2469 if (!init_group_from_ldap(ldap_state, map, entry)) {
2470 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2471 "group filter %s\n", filter));
2472 ldap_msgfree(result);
2473 return NT_STATUS_NO_SUCH_GROUP;
2474 }
2475
2476 ldap_msgfree(result);
2477 return NT_STATUS_OK;
2478 }
2479
2480 /**********************************************************************
2481 *********************************************************************/
2482
2483 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2484 DOM_SID sid)
2485 {
2486 char *filter = NULL;
2487 NTSTATUS status;
2488 fstring tmp;
2489
2490 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2491 LDAP_OBJ_GROUPMAP,
2492 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2493 sid_to_fstring(tmp, &sid)) < 0) {
2494 return NT_STATUS_NO_MEMORY;
2495 }
2496
2497 status = ldapsam_getgroup(methods, filter, map);
2498 SAFE_FREE(filter);
2499 return status;
2500 }
2501
2502 /**********************************************************************
2503 *********************************************************************/
2504
2505 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2506 gid_t gid)
2507 {
2508 char *filter = NULL;
2509 NTSTATUS status;
2510
2511 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2512 LDAP_OBJ_GROUPMAP,
2513 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2514 (unsigned long)gid) < 0) {
2515 return NT_STATUS_NO_MEMORY;
2516 }
2517
2518 status = ldapsam_getgroup(methods, filter, map);
2519 SAFE_FREE(filter);
2520 return status;
2521 }
2522
2523 /**********************************************************************
2524 *********************************************************************/
2525
2526 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2527 const char *name)
2528 {
2529 char *filter = NULL;
2530 char *escape_name = escape_ldap_string_alloc(name);
2531 NTSTATUS status;
2532
2533 if (!escape_name) {
2534 return NT_STATUS_NO_MEMORY;
2535 }
2536
2537 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2538 LDAP_OBJ_GROUPMAP,
2539 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2540 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2541 escape_name) < 0) {
2542 SAFE_FREE(escape_name);
2543 return NT_STATUS_NO_MEMORY;
2544 }
2545
2546 SAFE_FREE(escape_name);
2547 status = ldapsam_getgroup(methods, filter, map);
2548 SAFE_FREE(filter);
2549 return status;
2550 }
2551
2552 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2553 LDAPMessage *entry,
2554 const DOM_SID *domain_sid,
2555 uint32 *rid)
2556 {
2557 fstring str;
2558 DOM_SID sid;
2559
2560 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2561 str, sizeof(str)-1)) {
2562 DEBUG(10, ("Could not find sambaSID attribute\n"));
2563 return False;
2564 }
2565
2566 if (!string_to_sid(&sid, str)) {
2567 DEBUG(10, ("Could not convert string %s to sid\n", str));
2568 return False;
2569 }
2570
2571 if (sid_compare_domain(&sid, domain_sid) != 0) {
2572 DEBUG(10, ("SID %s is not in expected domain %s\n",
2573 str, sid_string_dbg(domain_sid)));
2574 return False;
2575 }
2576
2577 if (!sid_peek_rid(&sid, rid)) {
2578 DEBUG(10, ("Could not peek into RID\n"));
2579 return False;
2580 }
2581
2582 return True;
2583 }
2584
2585 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2586 TALLOC_CTX *mem_ctx,
2587 const DOM_SID *group,
2588 uint32 **pp_member_rids,
2589 size_t *p_num_members)
2590 {
2591 struct ldapsam_privates *ldap_state =
2592 (struct ldapsam_privates *)methods->private_data;
2593 struct smbldap_state *conn = ldap_state->smbldap_state;
2594 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2595 const char *sid_attrs[] = { "sambaSID", NULL };
2596 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2597 LDAPMessage *result = NULL;
2598 LDAPMessage *entry;
2599 char *filter;
2600 char **values = NULL;
2601 char **memberuid;
2602 char *gidstr;
2603 int rc, count;
2604
2605 *pp_member_rids = NULL;
2606 *p_num_members = 0;
2607
2608 filter = talloc_asprintf(mem_ctx,
2609 "(&(objectClass=%s)"
2610 "(objectClass=%s)"
2611 "(sambaSID=%s))",
2612 LDAP_OBJ_POSIXGROUP,
2613 LDAP_OBJ_GROUPMAP,
2614 sid_string_talloc(mem_ctx, group));
2615 if (filter == NULL) {
2616 ret = NT_STATUS_NO_MEMORY;
2617 goto done;
2618 }
2619
2620 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2621 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2622 &result);
2623
2624 if (rc != LDAP_SUCCESS)
2625 goto done;
2626
2627 talloc_autofree_ldapmsg(mem_ctx, result);
2628
2629 count = ldap_count_entries(conn->ldap_struct, result);
2630
2631 if (count > 1) {
2632 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2633 sid_string_dbg(group)));
2634 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2635 goto done;
2636 }
2637
2638 if (count == 0) {
2639 ret = NT_STATUS_NO_SUCH_GROUP;
2640 goto done;
2641 }
2642
2643 entry = ldap_first_entry(conn->ldap_struct, result);
2644 if (entry == NULL)
2645 goto done;
2646
2647 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2648 if (!gidstr) {
2649 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2650 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2651 goto done;
2652 }
2653
2654 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2655
2656 if (values) {
2657
2658 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2659 if (filter == NULL) {
2660 ret = NT_STATUS_NO_MEMORY;
2661 goto done;
2662 }
2663
2664 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2665 char *escape_memberuid;
2666
2667 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2668 if (escape_memberuid == NULL) {
2669 ret = NT_STATUS_NO_MEMORY;
2670 goto done;
2671 }
2672
2673 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2674 if (filter == NULL) {
2675 SAFE_FREE(escape_memberuid);
2676 ret = NT_STATUS_NO_MEMORY;
2677 goto done;
2678 }
2679
2680 SAFE_FREE(escape_memberuid);
2681 }
2682
2683 filter = talloc_asprintf_append_buffer(filter, "))");
2684 if (filter == NULL) {
2685 ret = NT_STATUS_NO_MEMORY;
2686 goto done;
2687 }
2688
2689 rc = smbldap_search(conn, lp_ldap_suffix(),
2690 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2691 &result);
2692
2693 if (rc != LDAP_SUCCESS)
2694 goto done;
2695
2696 count = ldap_count_entries(conn->ldap_struct, result);
2697 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2698
2699 talloc_autofree_ldapmsg(mem_ctx, result);
2700
2701 for (entry = ldap_first_entry(conn->ldap_struct, result);
2702 entry != NULL;
2703 entry = ldap_next_entry(conn->ldap_struct, entry))
2704 {
2705 char *sidstr;
2706 DOM_SID sid;
2707 uint32 rid;
2708
2709 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2710 entry, "sambaSID",
2711 mem_ctx);
2712 if (!sidstr) {
2713 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2714 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2715 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2716 goto done;
2717 }
2718
2719 if (!string_to_sid(&sid, sidstr))
2720 goto done;
2721
2722 if (!sid_check_is_in_our_domain(&sid)) {
2723 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2724 "in our domain\n"));
2725 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2726 goto done;
2727 }
2728
2729 sid_peek_rid(&sid, &rid);
2730
2731 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2732 p_num_members)) {
2733 ret = NT_STATUS_NO_MEMORY;
2734 goto done;
2735 }
2736 }
2737 }
2738
2739 filter = talloc_asprintf(mem_ctx,
2740 "(&(objectClass=%s)"
2741 "(gidNumber=%s))",
2742 LDAP_OBJ_SAMBASAMACCOUNT,
2743 gidstr);
2744
2745 rc = smbldap_search(conn, lp_ldap_suffix(),
2746 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2747 &result);
2748
2749 if (rc != LDAP_SUCCESS)
2750 goto done;
2751
2752 talloc_autofree_ldapmsg(mem_ctx, result);
2753
2754 for (entry = ldap_first_entry(conn->ldap_struct, result);
2755 entry != NULL;
2756 entry = ldap_next_entry(conn->ldap_struct, entry))
2757 {
2758 uint32 rid;
2759
2760 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2761 entry,
2762 get_global_sam_sid(),
2763 &rid)) {
2764 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2765 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2766 goto done;
2767 }
2768
2769 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2770 p_num_members)) {
2771 ret = NT_STATUS_NO_MEMORY;
2772 goto done;
2773 }
2774 }
2775
2776 ret = NT_STATUS_OK;
2777
2778 done:
2779
2780 if (values)
2781 ldap_value_free(values);
2782
2783 return ret;
2784 }
2785
2786 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2787 TALLOC_CTX *mem_ctx,
2788 struct samu *user,
2789 DOM_SID **pp_sids,
2790 gid_t **pp_gids,
2791 size_t *p_num_groups)
2792 {
2793 struct ldapsam_privates *ldap_state =
2794 (struct ldapsam_privates *)methods->private_data;
2795 struct smbldap_state *conn = ldap_state->smbldap_state;
2796 char *filter;
2797 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2798 char *escape_name;
2799 int rc, count;
2800 LDAPMessage *result = NULL;
2801 LDAPMessage *entry;
2802 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2803 size_t num_sids, num_gids;
2804 char *gidstr;
2805 gid_t primary_gid = -1;
2806
2807 *pp_sids = NULL;
2808 num_sids = 0;
2809
2810 if (pdb_get_username(user) == NULL) {
2811 return NT_STATUS_INVALID_PARAMETER;
2812 }
2813
2814 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2815 if (escape_name == NULL)
2816 return NT_STATUS_NO_MEMORY;
2817
2818 /* retrieve the users primary gid */
2819 filter = talloc_asprintf(mem_ctx,
2820 "(&(objectClass=%s)(uid=%s))",
2821 LDAP_OBJ_SAMBASAMACCOUNT,
2822 escape_name);
2823 if (filter == NULL) {
2824 ret = NT_STATUS_NO_MEMORY;
2825 goto done;
2826 }
2827
2828 rc = smbldap_search(conn, lp_ldap_suffix(),
2829 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2830
2831 if (rc != LDAP_SUCCESS)
2832 goto done;
2833
2834 talloc_autofree_ldapmsg(mem_ctx, result);
2835
2836 count = ldap_count_entries(priv2ld(ldap_state), result);
2837
2838 switch (count) {
2839 case 0:
2840 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2841 ret = NT_STATUS_NO_SUCH_USER;
2842 goto done;
2843 case 1:
2844 entry = ldap_first_entry(priv2ld(ldap_state), result);
2845
2846 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2847 if (!gidstr) {
2848 DEBUG (1, ("Unable to find the member's gid!\n"));
2849 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2850 goto done;
2851 }
2852 primary_gid = strtoul(gidstr, NULL, 10);
2853 break;
2854 default:
2855 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2856 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2857 goto done;
2858 }
2859
2860 filter = talloc_asprintf(mem_ctx,
2861 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2862 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2863 if (filter == NULL) {
2864 ret = NT_STATUS_NO_MEMORY;
2865 goto done;
2866 }
2867
2868 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2869 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2870
2871 if (rc != LDAP_SUCCESS)
2872 goto done;
2873
2874 talloc_autofree_ldapmsg(mem_ctx, result);
2875
2876 num_gids = 0;
2877 *pp_gids = NULL;
2878
2879 num_sids = 0;
2880 *pp_sids = NULL;
2881
2882 /* We need to add the primary group as the first gid/sid */
2883
2884 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2885 ret = NT_STATUS_NO_MEMORY;
2886 goto done;
2887 }
2888
2889 /* This sid will be replaced later */
2890
2891 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2892 &num_sids);
2893 if (!NT_STATUS_IS_OK(ret)) {
2894 goto done;
2895 }
2896
2897 for (entry = ldap_first_entry(conn->ldap_struct, result);
2898 entry != NULL;
2899 entry = ldap_next_entry(conn->ldap_struct, entry))
2900 {
2901 fstring str;
2902 DOM_SID sid;
2903 gid_t gid;
2904 char *end;
2905
2906 if (!smbldap_get_single_attribute(conn->ldap_struct,
2907 entry, "sambaSID",
2908 str, sizeof(str)-1))
2909 continue;
2910
2911 if (!string_to_sid(&sid, str))
2912 goto done;
2913
2914 if (!smbldap_get_single_attribute(conn->ldap_struct,
2915 entry, "gidNumber",
2916 str, sizeof(str)-1))
2917 continue;
2918
2919 gid = strtoul(str, &end, 10);
2920
2921 if (PTR_DIFF(end, str) != strlen(str))
2922 goto done;
2923
2924 if (gid == primary_gid) {
2925 sid_copy(&(*pp_sids)[0], &sid);
2926 } else {
2927 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2928 &num_gids)) {
2929 ret = NT_STATUS_NO_MEMORY;
2930 goto done;
2931 }
2932 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2933 &num_sids);
2934 if (!NT_STATUS_IS_OK(ret)) {
2935 goto done;
2936 }
2937 }
2938 }
2939
2940 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2941 DEBUG(3, ("primary group of [%s] not found\n",
2942 pdb_get_username(user)));
2943 goto done;
2944 }
2945
2946 *p_num_groups = num_sids;
2947
2948 ret = NT_STATUS_OK;
2949
2950 done:
2951
2952 SAFE_FREE(escape_name);
2953 return ret;
2954 }
2955
2956 /**********************************************************************
2957 * Augment a posixGroup object with a sambaGroupMapping domgroup
2958 *********************************************************************/
2959
2960 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2961 struct ldapsam_privates *ldap_state,
2962 GROUP_MAP *map)
2963 {
2964 const char *filter, *dn;
2965 LDAPMessage *msg, *entry;
2966 LDAPMod **mods;
2967 int rc;
2968
2969 filter = talloc_asprintf(mem_ctx,
2970 "(&(objectClass=%s)(gidNumber=%u))",
2971 LDAP_OBJ_POSIXGROUP, map->gid);
2972 if (filter == NULL) {
2973 return NT_STATUS_NO_MEMORY;
2974 }
2975
2976 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2977 get_attr_list(mem_ctx, groupmap_attr_list),
2978 &msg);
2979 talloc_autofree_ldapmsg(mem_ctx, msg);
2980
2981 if ((rc != LDAP_SUCCESS) ||
2982 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2983 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2984 return NT_STATUS_NO_SUCH_GROUP;
2985 }
2986
2987 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2988 if (dn == NULL) {
2989 return NT_STATUS_NO_MEMORY;
2990 }
2991
2992 mods = NULL;
2993 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2994 LDAP_OBJ_GROUPMAP);
2995 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2996 sid_string_talloc(mem_ctx, &map->sid));
2997 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2998 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2999 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3000 map->nt_name);
3001 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3002 map->comment);
3003 talloc_autofree_ldapmod(mem_ctx, mods);
3004
3005 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3006 if (rc != LDAP_SUCCESS) {
3007 return NT_STATUS_ACCESS_DENIED;
3008 }
3009
3010 return NT_STATUS_OK;
3011 }
3012
3013 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3014 GROUP_MAP *map)
3015 {
3016 struct ldapsam_privates *ldap_state =
3017 (struct ldapsam_privates *)methods->private_data;
3018 LDAPMessage *msg = NULL;
3019 LDAPMod **mods = NULL;
3020 const char *attrs[] = { NULL };
3021 char *filter;
3022
3023 char *dn;
3024 TALLOC_CTX *mem_ctx;
3025 NTSTATUS result;
3026
3027 DOM_SID sid;
3028
3029 int rc;
3030
3031 mem_ctx = talloc_new(NULL);
3032 if (mem_ctx == NULL) {
3033 DEBUG(0, ("talloc_new failed\n"));
3034 return NT_STATUS_NO_MEMORY;
3035 }
3036
3037 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3038 sid_string_talloc(mem_ctx, &map->sid));
3039 if (filter == NULL) {
3040 result = NT_STATUS_NO_MEMORY;
3041 goto done;
3042 }
3043
3044 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3045 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3046 talloc_autofree_ldapmsg(mem_ctx, msg);
3047
3048 if ((rc == LDAP_SUCCESS) &&
3049 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3050
3051 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3052 "group mapping entry\n", sid_string_dbg(&map->sid)));
3053 result = NT_STATUS_GROUP_EXISTS;
3054 goto done;
3055 }
3056
3057 switch (map->sid_name_use) {
3058
3059 case SID_NAME_DOM_GRP:
3060 /* To map a domain group we need to have a posix group
3061 to attach to. */
3062 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3063 goto done;
3064 break;
3065
3066 case SID_NAME_ALIAS:
3067 if (!sid_check_is_in_our_domain(&map->sid)
3068 && !sid_check_is_in_builtin(&map->sid) )
3069 {
3070 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3071 sid_string_dbg(&map->sid)));
3072 result = NT_STATUS_INVALID_PARAMETER;
3073 goto done;
3074 }
3075 break;
3076
3077 default:
3078 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3079 sid_type_lookup(map->sid_name_use)));
3080 result = NT_STATUS_INVALID_PARAMETER;
3081 goto done;
3082 }
3083
3084 /* Domain groups have been mapped in a separate routine, we have to
3085 * create an alias now */
3086
3087 if (map->gid == -1) {
3088 DEBUG(10, ("Refusing to map gid==-1\n"));
3089 result = NT_STATUS_INVALID_PARAMETER;
3090 goto done;
3091 }
3092
3093 if (pdb_gid_to_sid(map->gid, &sid)) {
3094 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3095 "add\n", map->gid, sid_string_dbg(&sid)));
3096 result = NT_STATUS_GROUP_EXISTS;
3097 goto done;
3098 }
3099
3100 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3101 * the best we can get out of LDAP. */
3102
3103 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3104 sid_string_talloc(mem_ctx, &map->sid),
3105 lp_ldap_group_suffix());
3106 if (dn == NULL) {
3107 result = NT_STATUS_NO_MEMORY;
3108 goto done;
3109 }
3110
3111 mods = NULL;
3112
3113 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3114 LDAP_OBJ_SID_ENTRY);
3115 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3116 LDAP_OBJ_GROUPMAP);
3117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3118 sid_string_talloc(mem_ctx, &map->sid));
3119 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3120 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3122 map->nt_name);
3123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3124 map->comment);
3125 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3126 talloc_asprintf(mem_ctx, "%u", map->gid));
3127 talloc_autofree_ldapmod(mem_ctx, mods);
3128
3129 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3130
3131 result = (rc == LDAP_SUCCESS) ?
3132 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3133
3134 done:
3135 TALLOC_FREE(mem_ctx);
3136 return result;
3137 }
3138
3139 /**********************************************************************
3140 * Update a group mapping entry. We're quite strict about what can be changed:
3141 * Only the description and displayname may be changed. It simply does not
3142 * make any sense to change the SID, gid or the type in a mapping.
3143 *********************************************************************/
3144
3145 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3146 GROUP_MAP *map)
3147 {
3148 struct ldapsam_privates *ldap_state =
3149 (struct ldapsam_privates *)methods->private_data;
3150 int rc;
3151 const char *filter, *dn;
3152 LDAPMessage *msg = NULL;
3153 LDAPMessage *entry = NULL;
3154 LDAPMod **mods = NULL;
3155 TALLOC_CTX *mem_ctx;
3156 NTSTATUS result;
3157
3158 mem_ctx = talloc_new(NULL);
3159 if (mem_ctx == NULL) {
3160 DEBUG(0, ("talloc_new failed\n"));
3161 return NT_STATUS_NO_MEMORY;
3162 }
3163
3164 /* Make 100% sure that sid, gid and type are not changed by looking up
3165 * exactly the values we're given in LDAP. */
3166
3167 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3168 "(sambaSid=%s)(gidNumber=%u)"
3169 "(sambaGroupType=%d))",
3170 LDAP_OBJ_GROUPMAP,
3171 sid_string_talloc(mem_ctx, &map->sid),
3172 map->gid, map->sid_name_use);
3173 if (filter == NULL) {
3174 result = NT_STATUS_NO_MEMORY;
3175 goto done;
3176 }
3177
3178 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3179 get_attr_list(mem_ctx, groupmap_attr_list),
3180 &msg);
3181 talloc_autofree_ldapmsg(mem_ctx, msg);
3182
3183 if ((rc != LDAP_SUCCESS) ||
3184 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3185 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3186 result = NT_STATUS_NO_SUCH_GROUP;
3187 goto done;
3188 }
3189
3190 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3191
3192 if (dn == NULL) {
3193 result = NT_STATUS_NO_MEMORY;
3194 goto done;
3195 }
3196
3197 mods = NULL;
3198 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3199 map->nt_name);
3200 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3201 map->comment);
3202 talloc_autofree_ldapmod(mem_ctx, mods);
3203
3204 if (mods == NULL) {
3205 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3206 "nothing to do\n"));
3207 result = NT_STATUS_OK;
3208 goto done;
3209 }
3210
3211 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3212
3213 if (rc != LDAP_SUCCESS) {
3214 result = NT_STATUS_ACCESS_DENIED;
3215 goto done;
3216 }
3217
3218 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3219 "group %lu in LDAP\n", (unsigned long)map->gid));
3220
3221 result = NT_STATUS_OK;
3222
3223 done:
3224 TALLOC_FREE(mem_ctx);
3225 return result;
3226 }
3227
3228 /**********************************************************************
3229 *********************************************************************/
3230
3231 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3232 DOM_SID sid)
3233 {
3234 struct ldapsam_privates *priv =
3235 (struct ldapsam_privates *)methods->private_data;
3236 LDAPMessage *msg, *entry;
3237 int rc;
3238 NTSTATUS result;
3239 TALLOC_CTX *mem_ctx;
3240 char *filter;
3241
3242 mem_ctx = talloc_new(NULL);
3243 if (mem_ctx == NULL) {
3244 DEBUG(0, ("talloc_new failed\n"));
3245 return NT_STATUS_NO_MEMORY;
3246 }
3247
3248 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3249 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3250 sid_string_talloc(mem_ctx, &sid));
3251 if (filter == NULL) {
3252 result = NT_STATUS_NO_MEMORY;
3253 goto done;
3254 }
3255 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3256 get_attr_list(mem_ctx, groupmap_attr_list),
3257 &msg);
3258 talloc_autofree_ldapmsg(mem_ctx, msg);
3259
3260 if ((rc != LDAP_SUCCESS) ||
3261 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3262 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3263 result = NT_STATUS_NO_SUCH_GROUP;
3264 goto done;
3265 }
3266
3267 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3268 get_attr_list(mem_ctx,
3269 groupmap_attr_list_to_delete));
3270
3271 if ((rc == LDAP_NAMING_VIOLATION) ||
3272 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3273 const char *attrs[] = { "sambaGroupType", "description",
3274 "displayName", "sambaSIDList",
3275 NULL };
3276
3277 /* Second try. Don't delete the sambaSID attribute, this is
3278 for "old" entries that are tacked on a winbind
3279 sambaIdmapEntry. */
3280
3281 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3282 LDAP_OBJ_GROUPMAP, attrs);
3283 }
3284
3285 if ((rc == LDAP_NAMING_VIOLATION) ||
3286 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3287 const char *attrs[] = { "sambaGroupType", "description",
3288 "displayName", "sambaSIDList",
3289 "gidNumber", NULL };
3290
3291 /* Third try. This is a post-3.0.21 alias (containing only
3292 * sambaSidEntry and sambaGroupMapping classes), we also have
3293 * to delete the gidNumber attribute, only the sambaSidEntry
3294 * remains */
3295
3296 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3297 LDAP_OBJ_GROUPMAP, attrs);
3298 }
3299
3300 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3301
3302 done:
3303 TALLOC_FREE(mem_ctx);
3304 return result;
3305 }
3306
3307 /**********************************************************************
3308 *********************************************************************/
3309
3310 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3311 bool update)
3312 {
3313 struct ldapsam_privates *ldap_state =
3314 (struct ldapsam_privates *)my_methods->private_data;
3315 char *filter = NULL;
3316 int rc;
3317 const char **attr_list;
3318
3319 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3320 if (!filter) {
3321 return NT_STATUS_NO_MEMORY;
3322 }
3323 attr_list = get_attr_list( NULL, groupmap_attr_list );
3324 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3325 LDAP_SCOPE_SUBTREE, filter,
3326 attr_list, 0, &ldap_state->result);
3327 TALLOC_FREE(attr_list);
3328
3329 if (rc != LDAP_SUCCESS) {
3330 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3331 ldap_err2string(rc)));
3332 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3333 lp_ldap_group_suffix(), filter));
3334 ldap_msgfree(ldap_state->result);
3335 ldap_state->result = NULL;
3336 TALLOC_FREE(filter);
3337 return NT_STATUS_UNSUCCESSFUL;
3338 }
3339
3340 TALLOC_FREE(filter);
3341
3342 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3343 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3344 ldap_state->result)));
3345
3346 ldap_state->entry =
3347 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3348 ldap_state->result);
3349 ldap_state->index = 0;
3350
3351 return NT_STATUS_OK;
3352 }
3353
3354 /**********************************************************************
3355 *********************************************************************/
3356
3357 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3358 {
3359 ldapsam_endsampwent(my_methods);
3360 }
3361
3362 /**********************************************************************
3363 *********************************************************************/
3364
3365 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3366 GROUP_MAP *map)
3367 {
3368 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3369 struct ldapsam_privates *ldap_state =
3370 (struct ldapsam_privates *)my_methods->private_data;
3371 bool bret = False;
3372
3373 while (!bret) {
3374 if (!ldap_state->entry)
3375 return ret;
3376
3377 ldap_state->index++;
3378 bret = init_group_from_ldap(ldap_state, map,
3379 ldap_state->entry);
3380
3381 ldap_state->entry =
3382 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3383 ldap_state->entry);
3384 }
3385
3386 return NT_STATUS_OK;
3387 }
3388
3389 /**********************************************************************
3390 *********************************************************************/
3391
3392 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3393 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3394 GROUP_MAP **pp_rmap,
3395 size_t *p_num_entries,
3396 bool unix_only)
3397 {
3398 GROUP_MAP map;
3399 size_t entries = 0;
3400
3401 *p_num_entries = 0;
3402 *pp_rmap = NULL;
3403
3404 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3405 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3406 "passdb\n"));
3407 return NT_STATUS_ACCESS_DENIED;
3408 }
3409
3410 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3411 if (sid_name_use != SID_NAME_UNKNOWN &&
3412 sid_name_use != map.sid_name_use) {
3413 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3414 "not of the requested type\n", map.nt_name));
3415 continue;
3416 }
3417 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3418 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3419 "non mapped\n", map.nt_name));
3420 continue;
3421 }
3422
3423 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3424 if (!(*pp_rmap)) {
3425 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3426 "enlarge group map!\n"));
3427 return NT_STATUS_UNSUCCESSFUL;
3428 }
3429
3430 (*pp_rmap)[entries] = map;
3431
3432 entries += 1;
3433
3434 }
3435 ldapsam_endsamgrent(methods);
3436
3437 *p_num_entries = entries;
3438
3439 return NT_STATUS_OK;
3440 }
3441
3442 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3443 const DOM_SID *alias,
3444 const DOM_SID *member,
3445 int modop)
3446 {
3447 struct ldapsam_privates *ldap_state =
3448 (struct ldapsam_privates *)methods->private_data;
3449 char *dn = NULL;
3450 LDAPMessage *result = NULL;
3451 LDAPMessage *entry = NULL;
3452 int count;
3453 LDAPMod **mods = NULL;
3454 int rc;
3455 enum lsa_SidType type = SID_NAME_USE_NONE;
3456 fstring tmp;
3457
3458 char *filter = NULL;
3459
3460 if (sid_check_is_in_builtin(alias)) {
3461 type = SID_NAME_ALIAS;
3462 }
3463
3464 if (sid_check_is_in_our_domain(alias)) {
3465 type = SID_NAME_ALIAS;
3466 }
3467
3468 if (type == SID_NAME_USE_NONE) {
3469 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3470 sid_string_dbg(alias)));
3471 return NT_STATUS_NO_SUCH_ALIAS;
3472 }
3473
3474 if (asprintf(&filter,
3475 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3476 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3477 type) < 0) {
3478 return NT_STATUS_NO_MEMORY;
3479 }
3480
3481 if (ldapsam_search_one_group(ldap_state, filter,
3482 &result) != LDAP_SUCCESS) {
3483 SAFE_FREE(filter);
3484 return NT_STATUS_NO_SUCH_ALIAS;
3485 }
3486
3487 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3488 result);
3489
3490 if (count < 1) {
3491 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3492 ldap_msgfree(result);
3493 SAFE_FREE(filter);
3494 return NT_STATUS_NO_SUCH_ALIAS;
3495 }
3496
3497 if (count > 1) {
3498 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3499 "filter %s: count=%d\n", filter, count));
3500 ldap_msgfree(result);
3501 SAFE_FREE(filter);
3502 return NT_STATUS_NO_SUCH_ALIAS;
3503 }
3504
3505 SAFE_FREE(filter);
3506
3507 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3508 result);
3509
3510 if (!entry) {
3511 ldap_msgfree(result);
3512 return NT_STATUS_UNSUCCESSFUL;
3513 }
3514
3515 dn = smbldap_talloc_dn(NULL, ldap_state->smbldap_state->ldap_struct, entry);
3516 if (!dn) {
3517 ldap_msgfree(result);
3518 return NT_STATUS_UNSUCCESSFUL;
3519 }
3520
3521 smbldap_set_mod(&mods, modop,
3522 get_attr_key2string(groupmap_attr_list,
3523 LDAP_ATTR_SID_LIST),
3524 sid_to_fstring(tmp, member));
3525
3526 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3527
3528 ldap_mods_free(mods, True);
3529 ldap_msgfree(result);
3530 TALLOC_FREE(dn);
3531
3532 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3533 return NT_STATUS_MEMBER_IN_ALIAS;
3534 }
3535
3536 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3537 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3538 }
3539
3540 if (rc != LDAP_SUCCESS) {
3541 return NT_STATUS_UNSUCCESSFUL;
3542 }
3543
3544 return NT_STATUS_OK;
3545 }
3546
3547 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3548 const DOM_SID *alias,
3549 const DOM_SID *member)
3550 {
3551 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3552 }
3553
3554 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3555 const DOM_SID *alias,
3556 const DOM_SID *member)
3557 {
3558 return ldapsam_modify_aliasmem(methods, alias, member,
3559 LDAP_MOD_DELETE);
3560 }
3561
3562 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3563 const DOM_SID *alias,
3564 DOM_SID **pp_members,
3565 size_t *p_num_members)
3566 {
3567 struct ldapsam_privates *ldap_state =
3568 (struct ldapsam_privates *)methods->private_data;
3569 LDAPMessage *result = NULL;
3570 LDAPMessage *entry = NULL;
3571 int count;
3572 char **values = NULL;
3573 int i;
3574 char *filter = NULL;
3575 size_t num_members = 0;
3576 enum lsa_SidType type = SID_NAME_USE_NONE;
3577 fstring tmp;
3578
3579 *pp_members = NULL;
3580 *p_num_members = 0;
3581
3582 if (sid_check_is_in_builtin(alias)) {
3583 type = SID_NAME_ALIAS;
3584 }
3585
3586 if (sid_check_is_in_our_domain(alias)) {
3587 type = SID_NAME_ALIAS;
3588 }
3589
3590 if (type == SID_NAME_USE_NONE) {
3591 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3592 sid_string_dbg(alias)));
3593 return NT_STATUS_NO_SUCH_ALIAS;
3594 }
3595
3596 if (asprintf(&filter,
3597 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3598 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3599 type) < 0) {
3600 return NT_STATUS_NO_MEMORY;
3601 }
3602
3603 if (ldapsam_search_one_group(ldap_state, filter,
3604 &result) != LDAP_SUCCESS) {
3605 SAFE_FREE(filter);
3606 return NT_STATUS_NO_SUCH_ALIAS;
3607 }
3608
3609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3610 result);
3611
3612 if (count < 1) {
3613 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3614 ldap_msgfree(result);
3615 SAFE_FREE(filter);
3616 return NT_STATUS_NO_SUCH_ALIAS;
3617 }
3618
3619 if (count > 1) {
3620 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3621 "filter %s: count=%d\n", filter, count));
3622 ldap_msgfree(result);
3623 SAFE_FREE(filter);
3624 return NT_STATUS_NO_SUCH_ALIAS;
3625 }
3626
3627 SAFE_FREE(filter);
3628
3629 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3630 result);
3631
3632 if (!entry) {
3633 ldap_msgfree(result);
3634 return NT_STATUS_UNSUCCESSFUL;
3635 }
3636
3637 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3638 entry,
3639 get_attr_key2string(groupmap_attr_list,
3640 LDAP_ATTR_SID_LIST));
3641
3642 if (values == NULL) {
3643 ldap_msgfree(result);
3644 return NT_STATUS_OK;
3645 }
3646
3647 count = ldap_count_values(values);
3648
3649 for (i=0; i<count; i++) {
3650 DOM_SID member;
3651 NTSTATUS status;
3652
3653 if (!string_to_sid(&member, values[i]))
3654 continue;
3655
3656 status = add_sid_to_array(NULL, &member, pp_members,
3657 &num_members);
3658 if (!NT_STATUS_IS_OK(status)) {
3659 ldap_value_free(values);
3660 ldap_msgfree(result);
3661 return status;
3662 }
3663 }
3664
3665 *p_num_members = num_members;
3666 ldap_value_free(values);
3667 ldap_msgfree(result);
3668
3669 return NT_STATUS_OK;
3670 }
3671
3672 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3673 TALLOC_CTX *mem_ctx,
3674 const DOM_SID *domain_sid,
3675 const DOM_SID *members,
3676 size_t num_members,
3677 uint32 **pp_alias_rids,
3678 size_t *p_num_alias_rids)
3679 {
3680 struct ldapsam_privates *ldap_state =
3681 (struct ldapsam_privates *)methods->private_data;
3682 LDAP *ldap_struct;
3683
3684 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3685
3686 LDAPMessage *result = NULL;
3687 LDAPMessage *entry = NULL;
3688 int i;
3689 int rc;
3690 char *filter;
3691 enum lsa_SidType type = SID_NAME_USE_NONE;
3692
3693 if (sid_check_is_builtin(domain_sid)) {
3694 type = SID_NAME_ALIAS;
3695 }
3696
3697 if (sid_check_is_domain(domain_sid)) {
3698 type = SID_NAME_ALIAS;
3699 }
3700
3701 if (type == SID_NAME_USE_NONE) {
3702 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3703 sid_string_dbg(domain_sid)));
3704 return NT_STATUS_UNSUCCESSFUL;
3705 }
3706
3707 filter = talloc_asprintf(mem_ctx,
3708 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3709 LDAP_OBJ_GROUPMAP, type);
3710
3711 for (i=0; i<num_members; i++)
3712 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3713 filter,
3714 sid_string_talloc(mem_ctx,
3715 &members[i]));
3716
3717 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3718
3719 if (filter == NULL) {
3720 return NT_STATUS_NO_MEMORY;
3721 }
3722
3723 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3724 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3725
3726 if (rc != LDAP_SUCCESS)
3727 return NT_STATUS_UNSUCCESSFUL;
3728
3729 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3730
3731 for (entry = ldap_first_entry(ldap_struct, result);
3732 entry != NULL;
3733 entry = ldap_next_entry(ldap_struct, entry))
3734 {
3735 fstring sid_str;
3736 DOM_SID sid;
3737 uint32 rid;
3738
3739 if (!smbldap_get_single_attribute(ldap_struct, entry,
3740 LDAP_ATTRIBUTE_SID,
3741 sid_str,
3742 sizeof(sid_str)-1))
3743 continue;
3744
3745 if (!string_to_sid(&sid, sid_str))
3746 continue;
3747
3748 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3749 continue;
3750
3751 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3752 p_num_alias_rids)) {
3753 ldap_msgfree(result);
3754 return NT_STATUS_NO_MEMORY;
3755 }
3756 }
3757
3758 ldap_msgfree(result);
3759 return NT_STATUS_OK;
3760 }
3761
3762 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3763 int policy_index,
3764 uint32 value)
3765 {
3766 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3767 int rc;
3768 LDAPMod **mods = NULL;
3769 fstring value_string;
3770 const char *policy_attr = NULL;
3771
3772 struct ldapsam_privates *ldap_state =
3773 (struct ldapsam_privates *)methods->private_data;
3774
3775 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3776
3777 if (!ldap_state->domain_dn) {
3778 return NT_STATUS_INVALID_PARAMETER;
3779 }
3780
3781 policy_attr = get_account_policy_attr(policy_index);
3782 if (policy_attr == NULL) {
3783 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3784 "policy\n"));
3785 return ntstatus;
3786 }
3787
3788 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3789
3790 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3791
3792 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3793 mods);
3794
3795 ldap_mods_free(mods, True);
3796
3797 if (rc != LDAP_SUCCESS) {
3798 return ntstatus;
3799 }
3800
3801 if (!cache_account_policy_set(policy_index, value)) {
3802 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3803 "update local tdb cache\n"));
3804 return ntstatus;
3805 }
3806
3807 return NT_STATUS_OK;
3808 }
3809
3810 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3811 int policy_index, uint32 value)
3812 {
3813 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3814 value);
3815 }
3816
3817 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3818 int policy_index,
3819 uint32 *value)
3820 {
3821 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3822 LDAPMessage *result = NULL;
3823 LDAPMessage *entry = NULL;
3824 int count;
3825 int rc;
3826 char **vals = NULL;
3827 const char *policy_attr = NULL;
3828
3829 struct ldapsam_privates *ldap_state =
3830 (struct ldapsam_privates *)methods->private_data;
3831
3832 const char *attrs[2];
3833
3834 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3835
3836 if (!ldap_state->domain_dn) {
3837 return NT_STATUS_INVALID_PARAMETER;
3838 }
3839
3840 policy_attr = get_account_policy_attr(policy_index);
3841 if (!policy_attr) {
3842 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3843 "policy index: %d\n", policy_index));
3844 return ntstatus;
3845 }
3846
3847 attrs[0] = policy_attr;
3848 attrs[1] = NULL;
3849
3850 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3851 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3852 &result);
3853
3854 if (rc != LDAP_SUCCESS) {
3855 return ntstatus;
3856 }
3857
3858 count = ldap_count_entries(priv2ld(ldap_state), result);
3859 if (count < 1) {
3860 goto out;
3861 }
3862
3863 entry = ldap_first_entry(priv2ld(ldap_state), result);
3864 if (entry == NULL) {
3865 goto out;
3866 }
3867
3868 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3869 if (vals == NULL) {
3870 goto out;
3871 }
3872
3873 *value = (uint32)atol(vals[0]);
3874
3875 ntstatus = NT_STATUS_OK;
3876
3877 out:
3878 if (vals)
3879 ldap_value_free(vals);
3880 ldap_msgfree(result);
3881
3882 return ntstatus;
3883 }
3884
3885 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3886
3887 - if user hasn't decided to use account policies inside LDAP just reuse the
3888 old tdb values
3889
3890 - if there is a valid cache entry, return that
3891 - if there is an LDAP entry, update cache and return
3892 - otherwise set to default, update cache and return
3893
3894 Guenther
3895 */
3896 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3897 int policy_index, uint32 *value)
3898 {
3899 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3900
3901 if (cache_account_policy_get(policy_index, value)) {
3902 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3903 "cache\n"));
3904 return NT_STATUS_OK;
3905 }
3906
3907 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3908 value);
3909 if (NT_STATUS_IS_OK(ntstatus)) {
3910 goto update_cache;
3911 }
3912
3913 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3914 "ldap\n"));
3915
3916 #if 0
3917 /* should we automagically migrate old tdb value here ? */
3918 if (account_policy_get(policy_index, value))
3919 goto update_ldap;
3920
3921 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3922 "default\n", policy_index));
3923 #endif
3924
3925 if (!account_policy_get_default(policy_index, value)) {
3926 return ntstatus;
3927 }
3928
3929 /* update_ldap: */
3930
3931 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3932 if (!NT_STATUS_IS_OK(ntstatus)) {
3933 return ntstatus;
3934 }
3935
3936 update_cache:
3937
3938 if (!cache_account_policy_set(policy_index, *value)) {
3939 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3940 "tdb as a cache\n"));
3941 return NT_STATUS_UNSUCCESSFUL;
3942 }
3943
3944 return NT_STATUS_OK;
3945 }
3946
3947 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3948 const DOM_SID *domain_sid,
3949 int num_rids,
3950 uint32 *rids,
3951 const char **names,
3952 enum lsa_SidType *attrs)
3953 {
3954 struct ldapsam_privates *ldap_state =
3955 (struct ldapsam_privates *)methods->private_data;
3956 LDAPMessage *msg = NULL;
3957 LDAPMessage *entry;
3958 char *allsids = NULL;
3959 int i, rc, num_mapped;
3960 NTSTATUS result = NT_STATUS_NO_MEMORY;
3961 TALLOC_CTX *mem_ctx;
3962 LDAP *ld;
3963 bool is_builtin;
3964
3965 mem_ctx = talloc_new(NULL);
3966 if (mem_ctx == NULL) {
3967 DEBUG(0, ("talloc_new failed\n"));
3968 goto done;
3969 }
3970
3971 if (!sid_check_is_builtin(domain_sid) &&
3972 !sid_check_is_domain(domain_sid)) {
3973 result = NT_STATUS_INVALID_PARAMETER;
3974 goto done;
3975 }
3976
3977 for (i=0; i<num_rids; i++)
3978 attrs[i] = SID_NAME_UNKNOWN;
3979
3980 allsids = talloc_strdup(mem_ctx, "");
3981 if (allsids == NULL) {
3982 goto done;
3983 }
3984
3985 for (i=0; i<num_rids; i++) {
3986 DOM_SID sid;
3987 sid_compose(&sid, domain_sid, rids[i]);
3988 allsids = talloc_asprintf_append_buffer(
3989 allsids, "(sambaSid=%s)",
3990 sid_string_talloc(mem_ctx, &sid));
3991 if (allsids == NULL) {
3992 goto done;
3993 }
3994 }
3995
3996 /* First look for users */
3997
3998 {
3999 char *filter;
4000 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4001
4002 filter = talloc_asprintf(
4003 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4004 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4005
4006 if (filter == NULL) {
4007 goto done;
4008 }
4009
4010 rc = smbldap_search(ldap_state->smbldap_state,
4011 lp_ldap_user_suffix(),
4012 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4013 &msg);
4014 talloc_autofree_ldapmsg(mem_ctx, msg);
4015 }
4016
4017 if (rc != LDAP_SUCCESS)
4018 goto done;
4019
4020 ld = ldap_state->smbldap_state->ldap_struct;
4021 num_mapped = 0;
4022
4023 for (entry = ldap_first_entry(ld, msg);
4024 entry != NULL;
4025 entry = ldap_next_entry(ld, entry)) {
4026 uint32 rid;
4027 int rid_index;
4028 const char *name;
4029
4030 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4031 &rid)) {
4032 DEBUG(2, ("Could not find sid from ldap entry\n"));
4033 continue;
4034 }
4035
4036 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4037 names);
4038 if (name == NULL) {
4039 DEBUG(2, ("Could not retrieve uid attribute\n"));
4040 continue;
4041 }
4042
4043 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4044 if (rid == rids[rid_index])
4045 break;
4046 }
4047
4048 if (rid_index == num_rids) {
4049 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4050 continue;
4051 }
4052
4053 attrs[rid_index] = SID_NAME_USER;
4054 names[rid_index] = name;
4055 num_mapped += 1;
4056 }
4057
4058 if (num_mapped == num_rids) {
4059 /* No need to look for groups anymore -- we're done */
4060 result = NT_STATUS_OK;
4061 goto done;
4062 }
4063
4064 /* Same game for groups */
4065
4066 {
4067 char *filter;
4068 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4069 "sambaGroupType", NULL };
4070
4071 filter = talloc_asprintf(
4072 mem_ctx, "(&(objectClass=%s)(|%s))",
4073 LDAP_OBJ_GROUPMAP, allsids);
4074 if (filter == NULL) {
4075 goto done;
4076 }
4077
4078 rc = smbldap_search(ldap_state->smbldap_state,
4079 lp_ldap_group_suffix(),
4080 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4081 &msg);
4082 talloc_autofree_ldapmsg(mem_ctx, msg);
4083 }
4084
4085 if (rc != LDAP_SUCCESS)
4086 goto done;
4087
4088 /* ldap_struct might have changed due to a reconnect */
4089
4090 ld = ldap_state->smbldap_state->ldap_struct;
4091
4092 /* For consistency checks, we already checked we're only domain or builtin */
4093
4094 is_builtin = sid_check_is_builtin(domain_sid);
4095
4096 for (entry = ldap_first_entry(ld, msg);
4097 entry != NULL;
4098 entry = ldap_next_entry(ld, entry))
4099 {
4100 uint32 rid;
4101 int rid_index;
4102 const char *attr;
4103 enum lsa_SidType type;
4104 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4105
4106 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4107 mem_ctx);
4108 if (attr == NULL) {
4109 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4110 dn));
4111 continue;
4112 }
4113
4114 type = (enum lsa_SidType)atol(attr);
4115
4116 /* Consistency checks */
4117 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4118 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4119 (type != SID_NAME_DOM_GRP)))) {
4120 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4121 }
4122
4123 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4124 &rid)) {
4125 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4126 continue;
4127 }
4128
4129 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4130
4131 if (attr == NULL) {
4132 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4133 dn));
4134 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4135 }
4136
4137 if (attr == NULL) {
4138 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4139 dn));
4140 continue;
4141 }
4142
4143 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4144 if (rid == rids[rid_index])
4145 break;
4146 }
4147
4148 if (rid_index == num_rids) {
4149 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4150 continue;
4151 }
4152
4153 attrs[rid_index] = type;
4154 names[rid_index] = attr;
4155 num_mapped += 1;
4156 }
4157
4158 result = NT_STATUS_NONE_MAPPED;
4159
4160 if (num_mapped > 0)
4161 result = (num_mapped == num_rids) ?
4162 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4163 done:
4164 TALLOC_FREE(mem_ctx);
4165 return result;
4166 }
4167
4168 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4169 {
4170 char *filter = NULL;
4171 char *escaped = NULL;
4172 char *result = NULL;
4173
4174 if (asprintf(&filter, "(&%s(objectclass=%s))",
4175 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4176 goto done;
4177 }
4178
4179 escaped = escape_ldap_string_alloc(username);
4180 if (escaped == NULL) goto done;
4181
4182 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4183
4184 done:
4185 SAFE_FREE(filter);
4186 SAFE_FREE(escaped);
4187
4188 return result;
4189 }
4190
4191 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4192 {
4193 int i, num = 0;
4194 va_list ap;
4195 const char **result;
4196
4197 va_start(ap, mem_ctx);
4198 while (va_arg(ap, const char *) != NULL)
4199 num += 1;
4200 va_end(ap);
4201
4202 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4203 return NULL;
4204 }
4205
4206 va_start(ap, mem_ctx);
4207 for (i=0; i<num; i++) {
4208 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4209 if (result[i] == NULL) {
4210 talloc_free(result);
4211 va_end(ap);
4212 return NULL;
4213 }
4214 }
4215 va_end(ap);
4216
4217 result[num] = NULL;
4218 return result;
4219 }
4220
4221 struct ldap_search_state {
4222 struct smbldap_state *connection;
4223
4224 uint32 acct_flags;
4225 uint16 group_type;
4226
4227 const char *base;
4228 int scope;
4229 const char *filter;
4230 const char **attrs;
4231 int attrsonly;
4232 void *pagedresults_cookie;
4233
4234 LDAPMessage *entries, *current_entry;
4235 bool (*ldap2displayentry)(struct ldap_search_state *state,
4236 TALLOC_CTX *mem_ctx,
4237 LDAP *ld, LDAPMessage *entry,
4238 struct samr_displayentry *result);
4239 };
4240
4241 static bool ldapsam_search_firstpage(struct pdb_search *search)
4242 {
4243 struct ldap_search_state *state =
4244 (struct ldap_search_state *)search->private_data;
4245 LDAP *ld;
4246 int rc = LDAP_OPERATIONS_ERROR;
4247
4248 state->entries = NULL;
4249
4250 if (state->connection->paged_results) {
4251 rc = smbldap_search_paged(state->connection, state->base,
4252 state->scope, state->filter,
4253 state->attrs, state->attrsonly,
4254 lp_ldap_page_size(), &state->entries,
4255 &state->pagedresults_cookie);
4256 }
4257
4258 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4259
4260 if (state->entries != NULL) {
4261 /* Left over from unsuccessful paged attempt */
4262 ldap_msgfree(state->entries);
4263 state->entries = NULL;
4264 }
4265
4266 rc = smbldap_search(state->connection, state->base,
4267 state->scope, state->filter, state->attrs,
4268 state->attrsonly, &state->entries);
4269
4270 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4271 return False;
4272
4273 /* Ok, the server was lying. It told us it could do paged
4274 * searches when it could not. */
4275 state->connection->paged_results = False;
4276 }
4277
4278 ld = state->connection->ldap_struct;
4279 if ( ld == NULL) {
4280 DEBUG(5, ("Don't have an LDAP connection right after a "
4281 "search\n"));
4282 return False;
4283 }
4284 state->current_entry = ldap_first_entry(ld, state->entries);
4285
4286 if (state->current_entry == NULL) {
4287 ldap_msgfree(state->entries);
4288 state->entries = NULL;
4289 }
4290
4291 return True;
4292 }
4293
4294 static bool ldapsam_search_nextpage(struct pdb_search *search)
4295 {
4296 struct ldap_search_state *state =
4297 (struct ldap_search_state *)search->private_data;
4298 int rc;
4299
4300 if (!state->connection->paged_results) {
4301 /* There is no next page when there are no paged results */
4302 return False;
4303 }
4304
4305 rc = smbldap_search_paged(state->connection, state->base,
4306 state->scope, state->filter, state->attrs,
4307 state->attrsonly, lp_ldap_page_size(),
4308 &state->entries,
4309 &state->pagedresults_cookie);
4310
4311 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4312 return False;
4313
4314 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4315
4316 if (state->current_entry == NULL) {
4317 ldap_msgfree(state->entries);
4318 state->entries = NULL;
4319 }
4320
4321 return True;
4322 }
4323
4324 static bool ldapsam_search_next_entry(struct pdb_search *search,
4325 struct samr_displayentry *entry)
4326 {
4327 struct ldap_search_state *state =
4328 (struct ldap_search_state *)search->private_data;
4329 bool result;
4330
4331 retry:
4332 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4333 return False;
4334
4335 if ((state->entries == NULL) &&
4336 !ldapsam_search_nextpage(search))
4337 return False;
4338
4339 result = state->ldap2displayentry(state, search,
4340 state->connection->ldap_struct,
4341 state->current_entry, entry);
4342
4343 if (!result) {
4344 char *dn;
4345 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4346 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4347 if (dn != NULL) ldap_memfree(dn);
4348 }
4349
4350 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4351
4352 if (state->current_entry == NULL) {
4353 ldap_msgfree(state->entries);
4354 state->entries = NULL;
4355 }
4356
4357 if (!result) goto retry;
4358
4359 return True;
4360 }
4361
4362 static void ldapsam_search_end(struct pdb_search *search)
4363 {
4364 struct ldap_search_state *state =
4365 (struct ldap_search_state *)search->private_data;
4366 int rc;
4367
4368 if (state->pagedresults_cookie == NULL)
4369 return;
4370
4371 if (state->entries != NULL)
4372 ldap_msgfree(state->entries);
4373
4374 state->entries = NULL;
4375 state->current_entry = NULL;
4376
4377 if (!state->connection->paged_results)
4378 return;
4379
4380 /* Tell the LDAP server we're not interested in the rest anymore. */
4381
4382 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4383 state->filter, state->attrs,
4384 state->attrsonly, 0, &state->entries,
4385 &state->pagedresults_cookie);
4386
4387 if (rc != LDAP_SUCCESS)
4388 DEBUG(5, ("Could not end search properly\n"));
4389
4390 return;
4391 }
4392
4393 static bool ldapuser2displayentry(struct ldap_search_state *state,
4394 TALLOC_CTX *mem_ctx,
4395 LDAP *ld, LDAPMessage *entry,
4396 struct samr_displayentry *result)
4397 {
4398 char **vals;
4399 size_t converted_size;
4400 DOM_SID sid;
4401 uint32 acct_flags;
4402
4403 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4404 if ((vals == NULL) || (vals[0] == NULL)) {
4405 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4406 return False;
4407 }
4408 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4409 ldap_value_free(vals);
4410
4411 if ((state->acct_flags != 0) &&
4412 ((state->acct_flags & acct_flags) == 0))
4413 return False;
4414
4415 result->acct_flags = acct_flags;
4416 result->account_name = "";
4417 result->fullname = "";
4418 result->description = "";
4419
4420 vals = ldap_get_values(ld, entry, "uid");
4421 if ((vals == NULL) || (vals[0] == NULL)) {
4422 DEBUG(5, ("\"uid\" not found\n"));
4423 return False;
4424 }
4425 if (!pull_utf8_talloc(mem_ctx,
4426 CONST_DISCARD(char **, &result->account_name),
4427 vals[0], &converted_size))
4428 {
4429 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4430 strerror(errno)));
4431 }
4432
4433 ldap_value_free(vals);
4434
4435 vals = ldap_get_values(ld, entry, "displayName");
4436 if ((vals == NULL) || (vals[0] == NULL))
4437 DEBUG(8, ("\"displayName\" not found\n"));
4438 else if (!pull_utf8_talloc(mem_ctx,
4439 CONST_DISCARD(char **, &result->fullname),
4440 vals[0], &converted_size))
4441 {
4442 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4443 strerror(errno)));
4444 }
4445
4446 ldap_value_free(vals);
4447
4448 vals = ldap_get_values(ld, entry, "description");
4449 if ((vals == NULL) || (vals[0] == NULL))
4450 DEBUG(8, ("\"description\" not found\n"));
4451 else if (!pull_utf8_talloc(mem_ctx,
4452 CONST_DISCARD(char **, &result->description),
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 if ((result->account_name == NULL) ||
4462 (result->fullname == NULL) ||
4463 (result->description == NULL)) {
4464 DEBUG(0, ("talloc failed\n"));
4465 return False;
4466 }
4467
4468 vals = ldap_get_values(ld, entry, "sambaSid");
4469 if ((vals == NULL) || (vals[0] == NULL)) {
4470 DEBUG(0, ("\"objectSid\" not found\n"));
4471 return False;
4472 }
4473
4474 if (!string_to_sid(&sid, vals[0])) {
4475 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4476 ldap_value_free(vals);
4477 return False;
4478 }
4479 ldap_value_free(vals);
4480
4481 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4482 DEBUG(0, ("sid %s does not belong to our domain\n",
4483 sid_string_dbg(&sid)));
4484 return False;
4485 }
4486
4487 return True;
4488 }
4489
4490
4491 static bool ldapsam_search_users(struct pdb_methods *methods,
4492 struct pdb_search *search,
4493 uint32 acct_flags)
4494 {
4495 struct ldapsam_privates *ldap_state =
4496 (struct ldapsam_privates *)methods->private_data;
4497 struct ldap_search_state *state;
4498
4499 state = talloc(search, struct ldap_search_state);
4500 if (state == NULL) {
4501 DEBUG(0, ("talloc failed\n"));
4502 return False;
4503 }
4504
4505 state->connection = ldap_state->smbldap_state;
4506
4507 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4508 state->base = lp_ldap_user_suffix();
4509 else if ((acct_flags != 0) &&
4510 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4511 state->base = lp_ldap_machine_suffix();
4512 else
4513 state->base = lp_ldap_suffix();
4514
4515 state->acct_flags = acct_flags;
4516 state->base = talloc_strdup(search, state->base);
4517 state->scope = LDAP_SCOPE_SUBTREE;
4518 state->filter = get_ldap_filter(search, "*");
4519 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4520 "displayName", "description",
4521 "sambaAcctFlags", NULL);
4522 state->attrsonly = 0;
4523 state->pagedresults_cookie = NULL;
4524 state->entries = NULL;
4525 state->ldap2displayentry = ldapuser2displayentry;
4526
4527 if ((state->filter == NULL) || (state->attrs == NULL)) {
4528 DEBUG(0, ("talloc failed\n"));
4529 return False;
4530 }
4531
4532 search->private_data = state;
4533 search->next_entry = ldapsam_search_next_entry;
4534 search->search_end = ldapsam_search_end;
4535
4536 return ldapsam_search_firstpage(search);
4537 }
4538
4539 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4540 TALLOC_CTX *mem_ctx,
4541 LDAP *ld, LDAPMessage *entry,
4542 struct samr_displayentry *result)
4543 {
4544 char **vals;
4545 size_t converted_size;
4546 DOM_SID sid;
4547 uint16 group_type;
4548
4549 result->account_name = "";
4550 result->fullname = "";
4551 result->description = "";
4552
4553
4554 vals = ldap_get_values(ld, entry, "sambaGroupType");
4555 if ((vals == NULL) || (vals[0] == NULL)) {
4556 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4557 if (vals != NULL) {
4558 ldap_value_free(vals);
4559 }
4560 return False;
4561 }
4562
4563 group_type = atoi(vals[0]);
4564
4565 if ((state->group_type != 0) &&
4566 ((state->group_type != group_type))) {
4567 ldap_value_free(vals);
4568 return False;
4569 }
4570
4571 ldap_value_free(vals);
4572
4573 /* display name is the NT group name */
4574
4575 vals = ldap_get_values(ld, entry, "displayName");
4576 if ((vals == NULL) || (vals[0] == NULL)) {
4577 DEBUG(8, ("\"displayName\" not found\n"));
4578
4579 /* fallback to the 'cn' attribute */
4580 vals = ldap_get_values(ld, entry, "cn");
4581 if ((vals == NULL) || (vals[0] == NULL)) {
4582 DEBUG(5, ("\"cn\" not found\n"));
4583 return False;
4584 }
4585 if (!pull_utf8_talloc(mem_ctx,
4586 CONST_DISCARD(char **,
4587 &result->account_name),
4588 vals[0], &converted_size))
4589 {
4590 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4591 "failed: %s", strerror(errno)));
4592 }
4593 }
4594 else if (!pull_utf8_talloc(mem_ctx,
4595 CONST_DISCARD(char **,
4596 &result->account_name),
4597 vals[0], &converted_size))
4598 {
4599 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4600 strerror(errno)));
4601 }
4602
4603 ldap_value_free(vals);
4604
4605 vals = ldap_get_values(ld, entry, "description");
4606 if ((vals == NULL) || (vals[0] == NULL))
4607 DEBUG(8, ("\"description\" not found\n"));
4608 else if (!pull_utf8_talloc(mem_ctx,
4609 CONST_DISCARD(char **, &result->description),
4610 vals[0], &converted_size))
4611 {
4612 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4613 strerror(errno)));
4614 }
4615 ldap_value_free(vals);
4616
4617 if ((result->account_name == NULL) ||
4618 (result->fullname == NULL) ||
4619 (result->description == NULL)) {
4620 DEBUG(0, ("talloc failed\n"));
4621 return False;
4622 }
4623
4624 vals = ldap_get_values(ld, entry, "sambaSid");
4625 if ((vals == NULL) || (vals[0] == NULL)) {
4626 DEBUG(0, ("\"objectSid\" not found\n"));
4627 if (vals != NULL) {
4628 ldap_value_free(vals);
4629 }
4630 return False;
4631 }
4632
4633 if (!string_to_sid(&sid, vals[0])) {
4634 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4635 return False;
4636 }
4637
4638 ldap_value_free(vals);
4639
4640 switch (group_type) {
4641 case SID_NAME_DOM_GRP:
4642 case SID_NAME_ALIAS:
4643
4644 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4645 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4646 {
4647 DEBUG(0, ("%s is not in our domain\n",
4648 sid_string_dbg(&sid)));
4649 return False;
4650 }
4651 break;
4652
4653 default:
4654 DEBUG(0,("unkown group type: %d\n", group_type));
4655 return False;
4656 }
4657
4658 result->acct_flags = 0;
4659
4660 return True;
4661 }
4662
4663 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4664 struct pdb_search *search,
4665 const DOM_SID *sid,
4666 enum lsa_SidType type)
4667 {
4668 struct ldapsam_privates *ldap_state =
4669 (struct ldapsam_privates *)methods->private_data;
4670 struct ldap_search_state *state;
4671 fstring tmp;
4672
4673 state = talloc(search, struct ldap_search_state);
4674 if (state == NULL) {
4675 DEBUG(0, ("talloc failed\n"));
4676 return False;
4677 }
4678
4679 state->connection = ldap_state->smbldap_state;
4680
4681 state->base = talloc_strdup(search, lp_ldap_group_suffix());
4682 state->connection = ldap_state->smbldap_state;
4683 state->scope = LDAP_SCOPE_SUBTREE;
4684 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4685 "(sambaGroupType=%d)(sambaSID=%s*))",
4686 LDAP_OBJ_GROUPMAP,
4687 type, sid_to_fstring(tmp, sid));
4688 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4689 "displayName", "description",
4690 "sambaGroupType", NULL);
4691 state->attrsonly = 0;
4692 state->pagedresults_cookie = NULL;
4693 state->entries = NULL;
4694 state->group_type = type;
4695 state->ldap2displayentry = ldapgroup2displayentry;
4696
4697 if ((state->filter == NULL) || (state->attrs == NULL)) {
4698 DEBUG(0, ("talloc failed\n"));
4699 return False;
4700 }
4701
4702 search->private_data = state;
4703 search->next_entry = ldapsam_search_next_entry;
4704 search->search_end = ldapsam_search_end;
4705
4706 return ldapsam_search_firstpage(search);
4707 }
4708
4709 static bool ldapsam_search_groups(struct pdb_methods *methods,
4710 struct pdb_search *search)
4711 {
4712 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4713 }
4714
4715 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4716 struct pdb_search *search,
4717 const DOM_SID *sid)
4718 {
4719 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4720 }
4721
4722 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4723 {
4724 return False;
4725 }
4726
4727 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4728 uint32 *rid)
4729 {
4730 struct smbldap_state *smbldap_state = priv->smbldap_state;
4731
4732 LDAPMessage *result = NULL;
4733 LDAPMessage *entry = NULL;
4734 LDAPMod **mods = NULL;
4735 NTSTATUS status;
4736 char *value;
4737 int rc;
4738 uint32 nextRid = 0;
4739 const char *dn;
4740
4741 TALLOC_CTX *mem_ctx;
4742
4743 mem_ctx = talloc_new(NULL);
4744 if (mem_ctx == NULL) {
4745 DEBUG(0, ("talloc_new failed\n"));
4746 return NT_STATUS_NO_MEMORY;
4747 }
4748
4749 status = smbldap_search_domain_info(smbldap_state, &result,
4750 get_global_sam_name(), False);
4751 if (!NT_STATUS_IS_OK(status)) {
4752 DEBUG(3, ("Could not get domain info: %s\n",
4753 nt_errstr(status)));
4754 goto done;
4755 }
4756
4757 talloc_autofree_ldapmsg(mem_ctx, result);
4758
4759 entry = ldap_first_entry(priv2ld(priv), result);
4760 if (entry == NULL) {
4761 DEBUG(0, ("Could not get domain info entry\n"));
4762 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4763 goto done;
4764 }
4765
4766 /* Find the largest of the three attributes "sambaNextRid",
4767 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4768 concept of differentiating between user and group rids, and will
4769 use only "sambaNextRid" in the future. But for compatibility
4770 reasons I look if others have chosen different strategies -- VL */
4771
4772 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4773 "sambaNextRid", mem_ctx);
4774 if (value != NULL) {
4775 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4776 nextRid = MAX(nextRid, tmp);
4777 }
4778
4779 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4780 "sambaNextUserRid", mem_ctx);
4781 if (value != NULL) {
4782 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4783 nextRid = MAX(nextRid, tmp);
4784 }
4785
4786 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4787 "sambaNextGroupRid", mem_ctx);
4788 if (value != NULL) {
4789 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4790 nextRid = MAX(nextRid, tmp);
4791 }
4792
4793 if (nextRid == 0) {
4794 nextRid = BASE_RID-1;
4795 }
4796
4797 nextRid += 1;
4798
4799 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4800 talloc_asprintf(mem_ctx, "%d", nextRid));
4801 talloc_autofree_ldapmod(mem_ctx, mods);
4802
4803 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4804 status = NT_STATUS_NO_MEMORY;
4805 goto done;
4806 }
4807
4808 rc = smbldap_modify(smbldap_state, dn, mods);
4809
4810 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4811 * please retry" */
4812
4813 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4814
4815 done:
4816 if (NT_STATUS_IS_OK(status)) {
4817 *rid = nextRid;
4818 }
4819
4820 TALLOC_FREE(mem_ctx);
4821 return status;
4822 }
4823
4824 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4825 {
4826 int i;
4827
4828 for (i=0; i<10; i++) {
4829 NTSTATUS result = ldapsam_get_new_rid(
4830 (struct ldapsam_privates *)methods->private_data, rid);
4831 if (NT_STATUS_IS_OK(result)) {
4832 return result;
4833 }
4834
4835 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4836 return result;
4837 }
4838
4839 /* The ldap update failed (maybe a race condition), retry */
4840 }
4841
4842 /* Tried 10 times, fail. */
4843 return NT_STATUS_ACCESS_DENIED;
4844 }
4845
4846 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4847 {
4848 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4849 return NT_STATUS_IS_OK(result) ? True : False;
4850 }
4851
4852 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4853 const DOM_SID *sid,
4854 union unid_t *id, enum lsa_SidType *type)
4855 {
4856 struct ldapsam_privates *priv =
4857 (struct ldapsam_privates *)methods->private_data;
4858 char *filter;
4859 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4860 NULL };
4861 LDAPMessage *result = NULL;
4862 LDAPMessage *entry = NULL;
4863 bool ret = False;
4864 char *value;
4865 int rc;
4866
4867 TALLOC_CTX *mem_ctx;
4868
4869 mem_ctx = talloc_new(NULL);
4870 if (mem_ctx == NULL) {
4871 DEBUG(0, ("talloc_new failed\n"));
4872 return False;
4873 }
4874
4875 filter = talloc_asprintf(mem_ctx,
4876 "(&(sambaSid=%s)"
4877 "(|(objectClass=%s)(objectClass=%s)))",
4878 sid_string_talloc(mem_ctx, sid),
4879 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4880 if (filter == NULL) {
4881 DEBUG(5, ("talloc_asprintf failed\n"));
4882 goto done;
4883 }
4884
4885 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4886 attrs, &result);
4887 if (rc != LDAP_SUCCESS) {
4888 goto done;
4889 }
4890 talloc_autofree_ldapmsg(mem_ctx, result);
4891
4892 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4893 DEBUG(10, ("Got %d entries, expected one\n",
4894 ldap_count_entries(priv2ld(priv), result)));
4895 goto done;
4896 }
4897
4898 entry = ldap_first_entry(priv2ld(priv), result);
4899
4900 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4901 "sambaGroupType", mem_ctx);
4902
4903 if (value != NULL) {
4904 const char *gid_str;
4905 /* It's a group */
4906
4907 gid_str = smbldap_talloc_single_attribute(
4908 priv2ld(priv), entry, "gidNumber", mem_ctx);
4909 if (gid_str == NULL) {
4910 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4911 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4912 entry)));
4913 goto done;
4914 }
4915
4916 id->gid = strtoul(gid_str, NULL, 10);
4917 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4918 ret = True;
4919 goto done;
4920 }
4921
4922 /* It must be a user */
4923
4924 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4925 "uidNumber", mem_ctx);
4926 if (value == NULL) {
4927 DEBUG(1, ("Could not find uidNumber in %s\n",
4928 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4929 goto done;
4930 }
4931
4932 id->uid = strtoul(value, NULL, 10);
4933 *type = SID_NAME_USER;
4934
4935 ret = True;
4936 done:
4937 TALLOC_FREE(mem_ctx);
4938 return ret;
4939 }
4940
4941 /*
4942 * The following functions is called only if
4943 * ldapsam:trusted and ldapsam:editposix are
4944 * set to true
4945 */
4946
4947 /*
4948 * ldapsam_create_user creates a new
4949 * posixAccount and sambaSamAccount object
4950 * in the ldap users subtree
4951 *
4952 * The uid is allocated by winbindd.
4953 */
4954
4955 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4956 TALLOC_CTX *tmp_ctx, const char *name,
4957 uint32 acb_info, uint32 *rid)
4958 {
4959 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4960 LDAPMessage *entry = NULL;
4961 LDAPMessage *result = NULL;
4962 uint32 num_result;
4963 bool is_machine = False;
4964 bool add_posix = False;
4965 LDAPMod **mods = NULL;
4966 struct samu *user;
4967 char *filter;
4968 char *username;
4969 char *homedir;
4970 char *gidstr;
4971 char *uidstr;
4972 char *shell;
4973 const char *dn = NULL;
4974 DOM_SID group_sid;
4975 DOM_SID user_sid;
4976 gid_t gid = -1;
4977 uid_t uid = -1;
4978 NTSTATUS ret;
4979 int rc;
4980
4981 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4982 acb_info & ACB_WSTRUST ||
4983 acb_info & ACB_SVRTRUST ||
4984 acb_info & ACB_DOMTRUST) {
4985 is_machine = True;
4986 }
4987
4988 username = escape_ldap_string_alloc(name);
4989 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4990 username, LDAP_OBJ_POSIXACCOUNT);
4991 SAFE_FREE(username);
4992
4993 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4994 if (rc != LDAP_SUCCESS) {
4995 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4996 return NT_STATUS_ACCESS_DENIED;
4997 }
4998 talloc_autofree_ldapmsg(tmp_ctx, result);
4999
5000 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5001
5002 if (num_result > 1) {
5003 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5004 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5005 }
5006
5007 if (num_result == 1) {
5008 char *tmp;
5009 /* check if it is just a posix account.
5010 * or if there is a sid attached to this entry
5011 */
5012
5013 entry = ldap_first_entry(priv2ld(ldap_state), result);
5014 if (!entry) {
5015 return NT_STATUS_UNSUCCESSFUL;
5016 }
5017
5018 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5019 if (tmp) {
5020 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5021 return NT_STATUS_USER_EXISTS;
5022 }
5023
5024 /* it is just a posix account, retrieve the dn for later use */
5025 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5026 if (!dn) {
5027 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5028 return NT_STATUS_NO_MEMORY;
5029 }
5030 }
5031
5032 if (num_result == 0) {
5033 add_posix = True;
5034 }
5035
5036 /* Create the basic samu structure and generate the mods for the ldap commit */
5037 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5038 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5039 return ret;
5040 }
5041
5042 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5043
5044 user = samu_new(tmp_ctx);
5045 if (!user) {
5046 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5047 return NT_STATUS_NO_MEMORY;
5048 }
5049
5050 if (!pdb_set_username(user, name, PDB_SET)) {
5051 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5052 return NT_STATUS_UNSUCCESSFUL;
5053 }
5054 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5055 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5056 return NT_STATUS_UNSUCCESSFUL;
5057 }
5058 if (is_machine) {
5059 if (acb_info & ACB_NORMAL) {
5060 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5061 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5062 return NT_STATUS_UNSUCCESSFUL;
5063 }
5064 } else {
5065 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5066 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5067 return NT_STATUS_UNSUCCESSFUL;
5068 }
5069 }
5070 } else {
5071 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5072 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5073 return NT_STATUS_UNSUCCESSFUL;
5074 }
5075 }
5076
5077 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5078 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5079 return NT_STATUS_UNSUCCESSFUL;
5080 }
5081
5082 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5083 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5084 return NT_STATUS_UNSUCCESSFUL;
5085 }
5086
5087 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5088 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5089 }
5090 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5091
5092 if (add_posix) {
5093 char *escape_name;
5094
5095 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5096
5097 /* retrieve the Domain Users group gid */
5098 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5099 !sid_to_gid(&group_sid, &gid)) {
5100 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5101 return NT_STATUS_INVALID_PRIMARY_GROUP;
5102 }
5103
5104 /* lets allocate a new userid for this user */
5105 if (!winbind_allocate_uid(&uid)) {
5106 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5107 return NT_STATUS_UNSUCCESSFUL;
5108 }
5109
5110
5111 if (is_machine) {
5112 /* TODO: choose a more appropriate default for machines */
5113 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5114 shell = talloc_strdup(tmp_ctx, "/bin/false");
5115 } else {
5116 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5117 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5118 }
5119 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5120 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5121
5122 escape_name = escape_rdn_val_string_alloc(name);
5123 if (!escape_name) {
5124 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5125 return NT_STATUS_NO_MEMORY;
5126 }
5127
5128 if (is_machine) {
5129 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5130 } else {
5131 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5132 }
5133
5134 SAFE_FREE(escape_name);
5135
5136 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5137 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5138 return NT_STATUS_NO_MEMORY;
5139 }
5140
5141 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5142 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5143 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5144 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5145 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5146 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5147 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5148 }
5149
5150 talloc_autofree_ldapmod(tmp_ctx, mods);
5151
5152 if (add_posix) {
5153 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5154 } else {
5155 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5156 }
5157
5158 if (rc != LDAP_SUCCESS) {
5159 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5160 return NT_STATUS_UNSUCCESSFUL;
5161 }
5162
5163 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5164
5165 flush_pwnam_cache();
5166
5167 return NT_STATUS_OK;
5168 }
5169
5170 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5171 {
5172 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5173 LDAPMessage *result = NULL;
5174 LDAPMessage *entry = NULL;
5175 int num_result;
5176 const char *dn;
5177 char *filter;
5178 int rc;
5179
5180 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5181
5182 filter = talloc_asprintf(tmp_ctx,
5183 "(&(uid=%s)"
5184 "(objectClass=%s)"
5185 "(objectClass=%s))",
5186 pdb_get_username(sam_acct),
5187 LDAP_OBJ_POSIXACCOUNT,
5188 LDAP_OBJ_SAMBASAMACCOUNT);
5189 if (filter == NULL) {
5190 return NT_STATUS_NO_MEMORY;
5191 }
5192
5193 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5194 if (rc != LDAP_SUCCESS) {
5195 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5196 return NT_STATUS_UNSUCCESSFUL;
5197 }
5198 talloc_autofree_ldapmsg(tmp_ctx, result);
5199
5200 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5201
5202 if (num_result == 0) {
5203 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5204 return NT_STATUS_NO_SUCH_USER;
5205 }
5206
5207 if (num_result > 1) {
5208 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5209 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5210 }
5211
5212 entry = ldap_first_entry(priv2ld(ldap_state), result);
5213 if (!entry) {
5214 return NT_STATUS_UNSUCCESSFUL;
5215 }
5216
5217 /* it is just a posix account, retrieve the dn for later use */
5218 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5219 if (!dn) {
5220 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5221 return NT_STATUS_NO_MEMORY;
5222 }
5223
5224 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5225 if (rc != LDAP_SUCCESS) {
5226 return NT_STATUS_UNSUCCESSFUL;
5227 }
5228
5229 flush_pwnam_cache();
5230
5231 return NT_STATUS_OK;
5232 }
5233
5234 /*
5235 * ldapsam_create_group creates a new
5236 * posixGroup and sambaGroupMapping object
5237 * in the ldap groups subtree
5238 *
5239 * The gid is allocated by winbindd.
5240 */
5241
5242 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5243 TALLOC_CTX *tmp_ctx,
5244 const char *name,
5245 uint32 *rid)
5246 {
5247 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5248 NTSTATUS ret;
5249 LDAPMessage *entry = NULL;
5250 LDAPMessage *result = NULL;
5251 uint32 num_result;
5252 bool is_new_entry = False;
5253 LDAPMod **mods = NULL;
5254 char *filter;
5255 char *groupsidstr;
5256 char *groupname;
5257 char *grouptype;
5258 char *gidstr;
5259 const char *dn = NULL;
5260 DOM_SID group_sid;
5261 gid_t gid = -1;
5262 int rc;
5263
5264 groupname = escape_ldap_string_alloc(name);
5265 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5266 groupname, LDAP_OBJ_POSIXGROUP);
5267 SAFE_FREE(groupname);
5268
5269 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5270 if (rc != LDAP_SUCCESS) {
5271 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5272 return NT_STATUS_UNSUCCESSFUL;
5273 }
5274 talloc_autofree_ldapmsg(tmp_ctx, result);
5275
5276 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5277
5278 if (num_result > 1) {
5279 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5280 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5281 }
5282
5283 if (num_result == 1) {
5284 char *tmp;
5285 /* check if it is just a posix group.
5286 * or if there is a sid attached to this entry
5287 */
5288
5289 entry = ldap_first_entry(priv2ld(ldap_state), result);
5290 if (!entry) {
5291 return NT_STATUS_UNSUCCESSFUL;
5292 }
5293
5294 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5295 if (tmp) {
5296 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5297 return NT_STATUS_GROUP_EXISTS;
5298 }
5299
5300 /* it is just a posix group, retrieve the gid and the dn for later use */
5301 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5302 if (!tmp) {
5303 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5304 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5305 }
5306
5307 gid = strtoul(tmp, NULL, 10);
5308
5309 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5310 if (!dn) {
5311 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5312 return NT_STATUS_NO_MEMORY;
5313 }
5314 }
5315
5316 if (num_result == 0) {
5317 char *escape_name;
5318
5319 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5320
5321 is_new_entry = True;
5322
5323 /* lets allocate a new groupid for this group */
5324 if (!winbind_allocate_gid(&gid)) {
5325 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5326 return NT_STATUS_UNSUCCESSFUL;
5327 }
5328
5329 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5330
5331 escape_name = escape_rdn_val_string_alloc(name);
5332 if (!escape_name) {
5333 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5334 return NT_STATUS_NO_MEMORY;
5335 }
5336
5337 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5338
5339 SAFE_FREE(escape_name);
5340
5341 if (!gidstr || !dn) {
5342 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5343 return NT_STATUS_NO_MEMORY;
5344 }
5345
5346 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5348 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5349 }
5350
5351 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5352 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5353 return ret;
5354 }
5355
5356 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5357
5358 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5359 &group_sid));
5360 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5361
5362 if (!groupsidstr || !grouptype) {
5363 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5364 return NT_STATUS_NO_MEMORY;
5365 }
5366
5367 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5368 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5369 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5370 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5371 talloc_autofree_ldapmod(tmp_ctx, mods);
5372
5373 if (is_new_entry) {
5374 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5375 #if 0
5376 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5377 /* This call may fail with rfc2307bis schema */
5378 /* Retry adding a structural class */
5379 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5380 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5381 }
5382 #endif
5383 } else {
5384 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5385 }
5386
5387 if (rc != LDAP_SUCCESS) {
5388 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5389 return NT_STATUS_UNSUCCESSFUL;
5390 }
5391
5392 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5393
5394 return NT_STATUS_OK;
5395 }
5396
5397 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5398 {
5399 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5400 LDAPMessage *result = NULL;
5401 LDAPMessage *entry = NULL;
5402 int num_result;
5403 const char *dn;
5404 char *gidstr;
5405 char *filter;
5406 DOM_SID group_sid;
5407 int rc;
5408
5409 /* get the group sid */
5410 sid_compose(&group_sid, get_global_sam_sid(), rid);
5411
5412 filter = talloc_asprintf(tmp_ctx,
5413 "(&(sambaSID=%s)"
5414 "(objectClass=%s)"
5415 "(objectClass=%s))",
5416 sid_string_talloc(tmp_ctx, &group_sid),
5417 LDAP_OBJ_POSIXGROUP,
5418 LDAP_OBJ_GROUPMAP);
5419 if (filter == NULL) {
5420 return NT_STATUS_NO_MEMORY;
5421 }
5422
5423 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5424 if (rc != LDAP_SUCCESS) {
5425 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5426 return NT_STATUS_UNSUCCESSFUL;
5427 }
5428 talloc_autofree_ldapmsg(tmp_ctx, result);
5429
5430 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5431
5432 if (num_result == 0) {
5433 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5434 return NT_STATUS_NO_SUCH_GROUP;
5435 }
5436
5437 if (num_result > 1) {
5438 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5439 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5440 }
5441
5442 entry = ldap_first_entry(priv2ld(ldap_state), result);
5443 if (!entry) {
5444 return NT_STATUS_UNSUCCESSFUL;
5445 }
5446
5447 /* here it is, retrieve the dn for later use */
5448 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5449 if (!dn) {
5450 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5451 return NT_STATUS_NO_MEMORY;
5452 }
5453
5454 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5455 if (!gidstr) {
5456 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5457 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5458 }
5459
5460 /* check no user have this group marked as primary group */
5461 filter = talloc_asprintf(tmp_ctx,
5462 "(&(gidNumber=%s)"
5463 "(objectClass=%s)"
5464 "(objectClass=%s))",
5465 gidstr,
5466 LDAP_OBJ_POSIXACCOUNT,
5467 LDAP_OBJ_SAMBASAMACCOUNT);
5468
5469 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5470 if (rc != LDAP_SUCCESS) {
5471 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5472 return NT_STATUS_UNSUCCESSFUL;
5473 }
5474 talloc_autofree_ldapmsg(tmp_ctx, result);
5475
5476 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5477
5478 if (num_result != 0) {
5479 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5480 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5481 }
5482
5483 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5484 if (rc != LDAP_SUCCESS) {
5485 return NT_STATUS_UNSUCCESSFUL;
5486 }
5487
5488 return NT_STATUS_OK;
5489 }
5490
5491 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5492 TALLOC_CTX *tmp_ctx,
5493 uint32 group_rid,
5494 uint32 member_rid,
5495 int modop)
5496 {
5497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5498 LDAPMessage *entry = NULL;
5499 LDAPMessage *result = NULL;
5500 uint32 num_result;
5501 LDAPMod **mods = NULL;
5502 char *filter;
5503 char *uidstr;
5504 const char *dn = NULL;
5505 DOM_SID group_sid;
5506 DOM_SID member_sid;
5507 int rc;
5508
5509 switch (modop) {
5510 case LDAP_MOD_ADD:
5511 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5512 break;
5513 case LDAP_MOD_DELETE:
5514 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5515 break;
5516 default:
5517 return NT_STATUS_UNSUCCESSFUL;
5518 }
5519
5520 /* get member sid */
5521 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5522
5523 /* get the group sid */
5524 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5525
5526 filter = talloc_asprintf(tmp_ctx,
5527 "(&(sambaSID=%s)"
5528 "(objectClass=%s)"
5529 "(objectClass=%s))",
5530 sid_string_talloc(tmp_ctx, &member_sid),
5531 LDAP_OBJ_POSIXACCOUNT,
5532 LDAP_OBJ_SAMBASAMACCOUNT);
5533 if (filter == NULL) {
5534 return NT_STATUS_NO_MEMORY;
5535 }
5536
5537 /* get the member uid */
5538 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5539 if (rc != LDAP_SUCCESS) {
5540 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5541 return NT_STATUS_UNSUCCESSFUL;
5542 }
5543 talloc_autofree_ldapmsg(tmp_ctx, result);
5544
5545 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5546
5547 if (num_result == 0) {
5548 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5549 return NT_STATUS_NO_SUCH_MEMBER;
5550 }
5551
5552 if (num_result > 1) {
5553 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5554 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5555 }
5556
5557 entry = ldap_first_entry(priv2ld(ldap_state), result);
5558 if (!entry) {
5559 return NT_STATUS_UNSUCCESSFUL;
5560 }
5561
5562 if (modop == LDAP_MOD_DELETE) {
5563 /* check if we are trying to remove the member from his primary group */
5564 char *gidstr;
5565 gid_t user_gid, group_gid;
5566
5567 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5568 if (!gidstr) {
5569 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5570 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5571 }
5572
5573 user_gid = strtoul(gidstr, NULL, 10);
5574
5575 if (!sid_to_gid(&group_sid, &group_gid)) {
5576 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5577 return NT_STATUS_UNSUCCESSFUL;
5578 }
5579
5580 if (user_gid == group_gid) {
5581 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5582 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5583 }
5584 }
5585
5586 /* here it is, retrieve the uid for later use */
5587 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5588 if (!uidstr) {
5589 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5590 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5591 }
5592
5593 filter = talloc_asprintf(tmp_ctx,
5594 "(&(sambaSID=%s)"
5595 "(objectClass=%s)"
5596 "(objectClass=%s))",
5597 sid_string_talloc(tmp_ctx, &group_sid),
5598 LDAP_OBJ_POSIXGROUP,
5599 LDAP_OBJ_GROUPMAP);
5600
5601 /* get the group */
5602 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5603 if (rc != LDAP_SUCCESS) {
5604 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5605 return NT_STATUS_UNSUCCESSFUL;
5606 }
5607 talloc_autofree_ldapmsg(tmp_ctx, result);
5608
5609 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5610
5611 if (num_result == 0) {
5612 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5613 return NT_STATUS_NO_SUCH_GROUP;
5614 }
5615
5616 if (num_result > 1) {
5617 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5618 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5619 }
5620
5621 entry = ldap_first_entry(priv2ld(ldap_state), result);
5622 if (!entry) {
5623 return NT_STATUS_UNSUCCESSFUL;
5624 }
5625
5626 /* here it is, retrieve the dn for later use */
5627 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5628 if (!dn) {
5629 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5630 return NT_STATUS_NO_MEMORY;
5631 }
5632
5633 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5634
5635 talloc_autofree_ldapmod(tmp_ctx, mods);
5636
5637 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5638 if (rc != LDAP_SUCCESS) {
5639 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5640 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5641 return NT_STATUS_MEMBER_IN_GROUP;
5642 }
5643 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5644 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5645 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5646 }
5647 return NT_STATUS_UNSUCCESSFUL;
5648 }
5649
5650 return NT_STATUS_OK;
5651 }
5652
5653 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5654 TALLOC_CTX *tmp_ctx,
5655 uint32 group_rid,
5656 uint32 member_rid)
5657 {
5658 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5659 }
5660 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5661 TALLOC_CTX *tmp_ctx,
5662 uint32 group_rid,
5663 uint32 member_rid)
5664 {
5665 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5666 }
5667
5668 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5669 TALLOC_CTX *mem_ctx,
5670 struct samu *sampass)
5671 {
5672 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5673 LDAPMessage *entry = NULL;
5674 LDAPMessage *result = NULL;
5675 uint32 num_result;
5676 LDAPMod **mods = NULL;
5677 char *filter;
5678 char *escape_username;
5679 char *gidstr;
5680 const char *dn = NULL;
5681 gid_t gid;
5682 int rc;
5683
5684 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5685
5686 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5687 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5688 return NT_STATUS_UNSUCCESSFUL;
5689 }
5690 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5691 if (!gidstr) {
5692 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5693 return NT_STATUS_NO_MEMORY;
5694 }
5695
5696 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5697 if (escape_username== NULL) {
5698 return NT_STATUS_NO_MEMORY;
5699 }
5700
5701 filter = talloc_asprintf(mem_ctx,
5702 "(&(uid=%s)"
5703 "(objectClass=%s)"
5704 "(objectClass=%s))",
5705 escape_username,
5706 LDAP_OBJ_POSIXACCOUNT,
5707 LDAP_OBJ_SAMBASAMACCOUNT);
5708
5709 SAFE_FREE(escape_username);
5710
5711 if (filter == NULL) {
5712 return NT_STATUS_NO_MEMORY;
5713 }
5714
5715 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5716 if (rc != LDAP_SUCCESS) {
5717 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5718 return NT_STATUS_UNSUCCESSFUL;
5719 }
5720 talloc_autofree_ldapmsg(mem_ctx, result);
5721
5722 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5723
5724 if (num_result == 0) {
5725 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5726 return NT_STATUS_NO_SUCH_USER;
5727 }
5728
5729 if (num_result > 1) {
5730 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5731 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5732 }
5733
5734 entry = ldap_first_entry(priv2ld(ldap_state), result);
5735 if (!entry) {
5736 return NT_STATUS_UNSUCCESSFUL;
5737 }
5738
5739 /* retrieve the dn for later use */
5740 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5741 if (!dn) {
5742 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5743 return NT_STATUS_NO_MEMORY;
5744 }
5745
5746 /* remove the old one, and add the new one, this way we do not risk races */
5747 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5748
5749 if (mods == NULL) {
5750 return NT_STATUS_OK;
5751 }
5752
5753 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5754
5755 if (rc != LDAP_SUCCESS) {
5756 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5757 pdb_get_username(sampass), gidstr));
5758 return NT_STATUS_UNSUCCESSFUL;
5759 }
5760
5761 flush_pwnam_cache();
5762
5763 return NT_STATUS_OK;
5764 }
5765
5766
5767 /**********************************************************************
5768 trusted domains functions
5769 *********************************************************************/
5770
5771 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5772 const char *domain)
5773 {
5774 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5775 ldap_state->domain_dn);
5776 }
5777
5778 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5779 TALLOC_CTX *mem_ctx,
5780 const char *domain, LDAPMessage **entry)
5781 {
5782 int rc;
5783 char *filter;
5784 int scope = LDAP_SCOPE_SUBTREE;
5785 const char **attrs = NULL; /* NULL: get all attrs */
5786 int attrsonly = 0; /* 0: return values too */
5787 LDAPMessage *result = NULL;
5788 char *trusted_dn;
5789 uint32 num_result;
5790
5791 filter = talloc_asprintf(talloc_tos(),
5792 "(&(objectClass=%s)(sambaDomainName=%s))",
5793 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5794
5795 trusted_dn = trusteddom_dn(ldap_state, domain);
5796 if (trusted_dn == NULL) {
5797 return False;
5798 }
5799 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5800 filter, attrs, attrsonly, &result);
5801
5802 if (result != NULL) {
5803 talloc_autofree_ldapmsg(mem_ctx, result);
5804 }
5805
5806 if (rc == LDAP_NO_SUCH_OBJECT) {
5807 *entry = NULL;
5808 return True;
5809 }
5810
5811 if (rc != LDAP_SUCCESS) {
5812 return False;
5813 }
5814
5815 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5816
5817 if (num_result > 1) {
5818 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5819 "%s object for domain '%s'?!\n",
5820 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5821 return False;
5822 }
5823
5824 if (num_result == 0) {
5825 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5826 "%s object for domain %s.\n",
5827 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5828 *entry = NULL;
5829 } else {
5830 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5831 }
5832
5833 return True;
5834 }
5835
5836 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5837 const char *domain,
5838 char** pwd,
5839 DOM_SID *sid,
5840 time_t *pass_last_set_time)
5841 {
5842 struct ldapsam_privates *ldap_state =
5843 (struct ldapsam_privates *)methods->private_data;
5844 LDAPMessage *entry = NULL;
5845
5846 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5847
5848 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5849 (entry == NULL))
5850 {
5851 return False;
5852 }
5853
5854 /* password */
5855 if (pwd != NULL) {
5856 char *pwd_str;
5857 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5858 entry, "sambaClearTextPassword", talloc_tos());
5859 if (pwd_str == NULL) {
5860 return False;
5861 }
5862 /* trusteddom_pw routines do not use talloc yet... */
5863 *pwd = SMB_STRDUP(pwd_str);
5864 if (*pwd == NULL) {
5865 return False;
5866 }
5867 }
5868
5869 /* last change time */
5870 if (pass_last_set_time != NULL) {
5871 char *time_str;
5872 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5873 entry, "sambaPwdLastSet", talloc_tos());
5874 if (time_str == NULL) {
5875 return False;
5876 }
5877 *pass_last_set_time = (time_t)atol(time_str);
5878 }
5879
5880 /* domain sid */
5881 if (sid != NULL) {
5882 char *sid_str;
5883 DOM_SID *dom_sid;
5884 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5885 entry, "sambaSID",
5886 talloc_tos());
5887 if (sid_str == NULL) {
5888 return False;
5889 }
5890 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5891 if (dom_sid == NULL) {
5892 return False;
5893 }
5894 sid_copy(sid, dom_sid);
5895 }
5896
5897 return True;
5898 }
5899
5900 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5901 const char* domain,
5902 const char* pwd,
5903 const DOM_SID *sid)
5904 {
5905 struct ldapsam_privates *ldap_state =
5906 (struct ldapsam_privates *)methods->private_data;
5907 LDAPMessage *entry = NULL;
5908 LDAPMod **mods = NULL;
5909 char *prev_pwd = NULL;
5910 char *trusted_dn = NULL;
5911 int rc;
5912
5913 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5914
5915 /*
5916 * get the current entry (if there is one) in order to put the
5917 * current password into the previous password attribute
5918 */
5919 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5920 return False;
5921 }
5922
5923 mods = NULL;
5924 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5925 LDAP_OBJ_TRUSTDOM_PASSWORD);
5926 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5927 domain);
5928 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5929 sid_string_tos(sid));
5930 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5931 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
5932 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5933 "sambaClearTextPassword", pwd);
5934
5935 talloc_autofree_ldapmod(talloc_tos(), mods);
5936
5937 if (entry != NULL) {
5938 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5939 entry, "sambaClearTextPassword", talloc_tos());
5940 if (prev_pwd != NULL) {
5941 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5942 "sambaPreviousClearTextPassword",
5943 prev_pwd);
5944 }
5945 }
5946
5947 trusted_dn = trusteddom_dn(ldap_state, domain);
5948 if (trusted_dn == NULL) {
5949 return False;
5950 }
5951 if (entry == NULL) {
5952 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5953 } else {
5954 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5955 }
5956
5957 if (rc != LDAP_SUCCESS) {
5958 DEBUG(1, ("error writing trusted domain password!\n"));
5959 return False;
5960 }
5961
5962 return True;
5963 }
5964
5965 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5966 const char *domain)
5967 {
5968 int rc;
5969 struct ldapsam_privates *ldap_state =
5970 (struct ldapsam_privates *)methods->private_data;
5971 LDAPMessage *entry = NULL;
5972 const char *trusted_dn;
5973
5974 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5975 return False;
5976 }
5977
5978 if (entry == NULL) {
5979 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
5980 "%s\n", domain));
5981 return True;
5982 }
5983
5984 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
5985 entry);
5986 if (trusted_dn == NULL) {
5987 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
5988 return False;
5989 }
5990
5991 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
5992 if (rc != LDAP_SUCCESS) {
5993 return False;
5994 }
5995
5996 return True;
5997 }
5998
5999 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6000 TALLOC_CTX *mem_ctx,
6001 uint32 *num_domains,
6002 struct trustdom_info ***domains)
6003 {
6004 int rc;
6005 struct ldapsam_privates *ldap_state =
6006 (struct ldapsam_privates *)methods->private_data;
6007 char *filter;
6008 int scope = LDAP_SCOPE_SUBTREE;
6009 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6010 int attrsonly = 0; /* 0: return values too */
6011 LDAPMessage *result = NULL;
6012 LDAPMessage *entry = NULL;
6013
6014 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6015 LDAP_OBJ_TRUSTDOM_PASSWORD);
6016
6017 rc = smbldap_search(ldap_state->smbldap_state,
6018 ldap_state->domain_dn,
6019 scope,
6020 filter,
6021 attrs,
6022 attrsonly,
6023 &result);
6024
6025 if (result != NULL) {
6026 talloc_autofree_ldapmsg(mem_ctx, result);
6027 }
6028
6029 if (rc != LDAP_SUCCESS) {
6030 return NT_STATUS_UNSUCCESSFUL;
6031 }
6032
6033 *num_domains = 0;
6034 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6035 DEBUG(1, ("talloc failed\n"));
6036 return NT_STATUS_NO_MEMORY;
6037 }
6038
6039 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6040 entry != NULL;
6041 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6042 {
6043 char *dom_name, *dom_sid_str;
6044 struct trustdom_info *dom_info;
6045
6046 dom_info = TALLOC_P(*domains, struct trustdom_info);
6047 if (dom_info == NULL) {
6048 DEBUG(1, ("talloc failed\n"));
6049 return NT_STATUS_NO_MEMORY;
6050 }
6051
6052 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6053 entry,
6054 "sambaDomainName",
6055 talloc_tos());
6056 if (dom_name == NULL) {
6057 DEBUG(1, ("talloc failed\n"));
6058 return NT_STATUS_NO_MEMORY;
6059 }
6060 dom_info->name = dom_name;
6061
6062 dom_sid_str = smbldap_talloc_single_attribute(
6063 priv2ld(ldap_state), entry, "sambaSID",
6064 talloc_tos());
6065 if (dom_sid_str == NULL) {
6066 DEBUG(1, ("talloc failed\n"));
6067 return NT_STATUS_NO_MEMORY;
6068 }
6069 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6070 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6071 dom_sid_str));
6072 return NT_STATUS_UNSUCCESSFUL;
6073 }
6074
6075 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6076 domains, num_domains);
6077
6078 if (*domains == NULL) {
6079 DEBUG(1, ("talloc failed\n"));
6080 return NT_STATUS_NO_MEMORY;
6081 }
6082 }
6083
6084 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6085 return NT_STATUS_OK;
6086 }
6087
6088
6089 /**********************************************************************
6090 Housekeeping
6091 *********************************************************************/
6092
6093 static void free_private_data(void **vp)
6094 {
6095 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6096
6097 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6098
6099 if ((*ldap_state)->result != NULL) {
6100 ldap_msgfree((*ldap_state)->result);
6101 (*ldap_state)->result = NULL;
6102 }
6103 if ((*ldap_state)->domain_dn != NULL) {
6104 SAFE_FREE((*ldap_state)->domain_dn);
6105 }
6106
6107 *ldap_state = NULL;
6108
6109 /* No need to free any further, as it is talloc()ed */
6110 }
6111
6112 /*********************************************************************
6113 Intitalise the parts of the pdb_methods structure that are common to
6114 all pdb_ldap modes
6115 *********************************************************************/
6116
6117 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6118 {
6119 NTSTATUS nt_status;
6120 struct ldapsam_privates *ldap_state;
6121
6122 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6123 return nt_status;
6124 }
6125
6126 (*pdb_method)->name = "ldapsam";
6127
6128 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6129 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6130 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6131 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6132 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6133 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6134
6135 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6136 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6137 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6138 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6139 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6140 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6141 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6142
6143 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6144 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6145
6146 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6147
6148 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6149 (*pdb_method)->new_rid = ldapsam_new_rid;
6150
6151 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6152 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6153 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6154 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6155
6156 /* TODO: Setup private data and free */
6157
6158 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6159 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6160 return NT_STATUS_NO_MEMORY;
6161 }
6162
6163 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6164 location, &ldap_state->smbldap_state);
6165
6166 if ( !NT_STATUS_IS_OK(nt_status) ) {
6167 return nt_status;
6168 }
6169
6170 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6171 return NT_STATUS_NO_MEMORY;
6172 }
6173
6174 (*pdb_method)->private_data = ldap_state;
6175
6176 (*pdb_method)->free_private_data = free_private_data;
6177
6178 return NT_STATUS_OK;
6179 }
6180
6181 /**********************************************************************
6182 Initialise the 'compat' mode for pdb_ldap
6183 *********************************************************************/
6184
6185 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6186 {
6187 NTSTATUS nt_status;
6188 struct ldapsam_privates *ldap_state;
6189 char *uri = talloc_strdup( NULL, location );
6190
6191 trim_char( uri, '\"', '\"' );
6192 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6193 if ( uri )
6194 TALLOC_FREE( uri );
6195
6196 if ( !NT_STATUS_IS_OK(nt_status) ) {
6197 return nt_status;
6198 }
6199
6200 (*pdb_method)->name = "ldapsam_compat";
6201
6202 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6203 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6204
6205 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6206
6207 return NT_STATUS_OK;
6208 }
6209
6210 /**********************************************************************
6211 Initialise the normal mode for pdb_ldap
6212 *********************************************************************/
6213
6214 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6215 {
6216 NTSTATUS nt_status;
6217 struct ldapsam_privates *ldap_state = NULL;
6218 uint32 alg_rid_base;
6219 char *alg_rid_base_string = NULL;
6220 LDAPMessage *result = NULL;
6221 LDAPMessage *entry = NULL;
6222 DOM_SID ldap_domain_sid;
6223 DOM_SID secrets_domain_sid;
6224 char *domain_sid_string = NULL;
6225 char *dn = NULL;
6226 char *uri = talloc_strdup( NULL, location );
6227
6228 trim_char( uri, '\"', '\"' );
6229 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6230 if (uri) {
6231 TALLOC_FREE(uri);
6232 }
6233
6234 if (!NT_STATUS_IS_OK(nt_status)) {
6235 return nt_status;
6236 }
6237
6238 (*pdb_method)->name = "ldapsam";
6239
6240 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6241 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6242 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6243 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6244 (*pdb_method)->search_users = ldapsam_search_users;
6245 (*pdb_method)->search_groups = ldapsam_search_groups;
6246 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6247
6248 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6249 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6250 (*pdb_method)->enum_group_memberships =
6251 ldapsam_enum_group_memberships;
6252 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6253 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6254
6255 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6256 (*pdb_method)->create_user = ldapsam_create_user;
6257 (*pdb_method)->delete_user = ldapsam_delete_user;
6258 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6259 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6260 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6261 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6262 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6263 }
6264 }
6265
6266 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6267 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6268
6269 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6270
6271 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6272 &result,
6273 ldap_state->domain_name, True);
6274
6275 if ( !NT_STATUS_IS_OK(nt_status) ) {
6276 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6277 "info, nor add one to the domain\n"));
6278 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6279 "will be unable to allocate new users/groups, "
6280 "and will risk BDCs having inconsistant SIDs\n"));
6281 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6282 return NT_STATUS_OK;
6283 }
6284
6285 /* Given that the above might fail, everything below this must be
6286 * optional */
6287
6288 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6289 result);
6290 if (!entry) {
6291 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6292 "entry\n"));
6293 ldap_msgfree(result);
6294 return NT_STATUS_UNSUCCESSFUL;
6295 }
6296
6297 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6298 if (!dn) {
6299 ldap_msgfree(result);
6300 return NT_STATUS_UNSUCCESSFUL;
6301 }
6302
6303 ldap_state->domain_dn = smb_xstrdup(dn);
6304 TALLOC_FREE(dn);
6305
6306 domain_sid_string = smbldap_talloc_single_attribute(
6307 ldap_state->smbldap_state->ldap_struct,
6308 entry,
6309 get_userattr_key2string(ldap_state->schema_ver,
6310 LDAP_ATTR_USER_SID),
6311 talloc_tos());
6312
6313 if (domain_sid_string) {
6314 bool found_sid;
6315 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6316 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6317 "read as a valid SID\n", domain_sid_string));
6318 ldap_msgfree(result);
6319 TALLOC_FREE(domain_sid_string);
6320 return NT_STATUS_INVALID_PARAMETER;
6321 }
6322 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6323 &secrets_domain_sid);
6324 if (!found_sid || !sid_equal(&secrets_domain_sid,
6325 &ldap_domain_sid)) {
6326 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6327 "%s based on pdb_ldap results %s -> %s\n",
6328 ldap_state->domain_name,
6329 sid_string_dbg(&secrets_domain_sid),
6330 sid_string_dbg(&ldap_domain_sid)));
6331
6332 /* reset secrets.tdb sid */
6333 secrets_store_domain_sid(ldap_state->domain_name,
6334 &ldap_domain_sid);
6335 DEBUG(1, ("New global sam SID: %s\n",
6336 sid_string_dbg(get_global_sam_sid())));
6337 }
6338 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6339 TALLOC_FREE(domain_sid_string);
6340 }
6341
6342 alg_rid_base_string = smbldap_talloc_single_attribute(
6343 ldap_state->smbldap_state->ldap_struct,
6344 entry,
6345 get_attr_key2string( dominfo_attr_list,
6346 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6347 talloc_tos());
6348 if (alg_rid_base_string) {
6349 alg_rid_base = (uint32)atol(alg_rid_base_string);
6350 if (alg_rid_base != algorithmic_rid_base()) {
6351 DEBUG(0, ("The value of 'algorithmic RID base' has "
6352 "changed since the LDAP\n"
6353 "database was initialised. Aborting. \n"));
6354 ldap_msgfree(result);
6355 TALLOC_FREE(alg_rid_base_string);
6356 return NT_STATUS_UNSUCCESSFUL;
6357 }
6358 TALLOC_FREE(alg_rid_base_string);
6359 }
6360 ldap_msgfree(result);
6361
6362 return NT_STATUS_OK;
6363 }
6364
6365 NTSTATUS pdb_ldap_init(void)
6366 {
6367 NTSTATUS nt_status;
6368 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6369 return nt_status;
6370
6371 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6372 return nt_status;
6373
6374 /* Let pdb_nds register backends */
6375 pdb_nds_init();
6376
6377 return NT_STATUS_OK;
6378 }
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