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[Samba.git] / source3 / passdb / pdb_ldap.c
blobce79dce668b44bd25d60517b56f47ca41f5e109a
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 return LDAP_NO_MEMORY;
353 }
354 /*
355 * have to use this here because $ is filtered out
356 * in string_sub
357 */
358
359 filter = talloc_all_string_sub(talloc_tos(),
360 filter, "%u", escape_user);
361 if (!filter) {
362 return LDAP_NO_MEMORY;
363 }
364 SAFE_FREE(escape_user);
365
366 ret = smbldap_search_suffix(ldap_state->smbldap_state,
367 filter, attr, result);
368 TALLOC_FREE(filter);
369 return ret;
370 }
371
372 /*******************************************************************
373 Run the search by rid.
374 ******************************************************************/
375
376 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
377 uint32 rid, LDAPMessage ** result,
378 const char **attr)
379 {
380 char *filter = NULL;
381 int rc;
382
383 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
384 get_objclass_filter(ldap_state->schema_ver));
385 if (!filter) {
386 return LDAP_NO_MEMORY;
387 }
388
389 rc = smbldap_search_suffix(ldap_state->smbldap_state,
390 filter, attr, result);
391 TALLOC_FREE(filter);
392 return rc;
393 }
394
395 /*******************************************************************
396 Run the search by SID.
397 ******************************************************************/
398
399 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
400 const DOM_SID *sid, LDAPMessage ** result,
401 const char **attr)
402 {
403 char *filter = NULL;
404 int rc;
405 fstring sid_string;
406
407 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
408 get_userattr_key2string(ldap_state->schema_ver,
409 LDAP_ATTR_USER_SID),
410 sid_to_fstring(sid_string, sid),
411 get_objclass_filter(ldap_state->schema_ver));
412 if (!filter) {
413 return LDAP_NO_MEMORY;
414 }
415
416 rc = smbldap_search_suffix(ldap_state->smbldap_state,
417 filter, attr, result);
418
419 TALLOC_FREE(filter);
420 return rc;
421 }
422
423 /*******************************************************************
424 Delete complete object or objectclass and attrs from
425 object found in search_result depending on lp_ldap_delete_dn
426 ******************************************************************/
427
428 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
429 TALLOC_CTX *mem_ctx,
430 LDAPMessage *entry,
431 const char *objectclass,
432 const char **attrs)
433 {
434 LDAPMod **mods = NULL;
435 char *name;
436 const char *dn;
437 BerElement *ptr = NULL;
438
439 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
440 if (dn == NULL) {
441 return LDAP_NO_MEMORY;
442 }
443
444 if (lp_ldap_delete_dn()) {
445 return smbldap_delete(priv->smbldap_state, dn);
446 }
447
448 /* Ok, delete only the SAM attributes */
449
450 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
451 name != NULL;
452 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
453 const char **attrib;
454
455 /* We are only allowed to delete the attributes that
456 really exist. */
457
458 for (attrib = attrs; *attrib != NULL; attrib++) {
459 if (strequal(*attrib, name)) {
460 DEBUG(10, ("ldapsam_delete_entry: deleting "
461 "attribute %s\n", name));
462 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
463 NULL);
464 }
465 }
466 ldap_memfree(name);
467 }
468
469 if (ptr != NULL) {
470 ber_free(ptr, 0);
471 }
472
473 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
474 talloc_autofree_ldapmod(mem_ctx, mods);
475
476 return smbldap_modify(priv->smbldap_state, dn, mods);
477 }
478
479 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
480 {
481 char *temp;
482 struct tm tm;
483
484 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
485 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
486 talloc_tos());
487 if (!temp) {
488 return (time_t) 0;
489 }
490
491 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
492 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
493 (char*)temp));
494 TALLOC_FREE(temp);
495 return (time_t) 0;
496 }
497 TALLOC_FREE(temp);
498 tzset();
499 return timegm(&tm);
500 }
501
502 /**********************************************************************
503 Initialize struct samu from an LDAP query.
504 (Based on init_sam_from_buffer in pdb_tdb.c)
505 *********************************************************************/
506
507 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
508 struct samu * sampass,
509 LDAPMessage * entry)
510 {
511 time_t logon_time,
512 logoff_time,
513 kickoff_time,
514 pass_last_set_time,
515 pass_can_change_time,
516 pass_must_change_time,
517 ldap_entry_time,
518 bad_password_time;
519 char *username = NULL,
520 *domain = NULL,
521 *nt_username = NULL,
522 *fullname = NULL,
523 *homedir = NULL,
524 *dir_drive = NULL,
525 *logon_script = NULL,
526 *profile_path = NULL,
527 *acct_desc = NULL,
528 *workstations = NULL,
529 *munged_dial = NULL;
530 uint32 user_rid;
531 uint8 smblmpwd[LM_HASH_LEN],
532 smbntpwd[NT_HASH_LEN];
533 bool use_samba_attrs = True;
534 uint32 acct_ctrl = 0;
535 uint16 logon_divs;
536 uint16 bad_password_count = 0,
537 logon_count = 0;
538 uint32 hours_len;
539 uint8 hours[MAX_HOURS_LEN];
540 char *temp = NULL;
541 LOGIN_CACHE *cache_entry = NULL;
542 uint32 pwHistLen;
543 bool expand_explicit = lp_passdb_expand_explicit();
544 bool ret = false;
545 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
546
547 if (!ctx) {
548 return false;
549 }
550 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
551 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
552 goto fn_exit;
553 }
554
555 if (priv2ld(ldap_state) == NULL) {
556 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
557 "ldap_struct is NULL!\n"));
558 goto fn_exit;
559 }
560
561 if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
562 entry,
563 "uid",
564 ctx))) {
565 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
566 "this user!\n"));
567 goto fn_exit;
568 }
569
570 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
571
572 nt_username = talloc_strdup(ctx, username);
573 if (!nt_username) {
574 goto fn_exit;
575 }
576
577 domain = talloc_strdup(ctx, ldap_state->domain_name);
578 if (!domain) {
579 goto fn_exit;
580 }
581
582 pdb_set_username(sampass, username, PDB_SET);
583
584 pdb_set_domain(sampass, domain, PDB_DEFAULT);
585 pdb_set_nt_username(sampass, nt_username, PDB_SET);
586
587 /* deal with different attributes between the schema first */
588
589 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
590 if ((temp = smbldap_talloc_single_attribute(
591 ldap_state->smbldap_state->ldap_struct,
592 entry,
593 get_userattr_key2string(ldap_state->schema_ver,
594 LDAP_ATTR_USER_SID),
595 ctx))!=NULL) {
596 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
597 }
598 } else {
599 if ((temp = smbldap_talloc_single_attribute(
600 ldap_state->smbldap_state->ldap_struct,
601 entry,
602 get_userattr_key2string(ldap_state->schema_ver,
603 LDAP_ATTR_USER_RID),
604 ctx))!=NULL) {
605 user_rid = (uint32)atol(temp);
606 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
607 }
608 }
609
610 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
611 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
612 get_userattr_key2string(ldap_state->schema_ver,
613 LDAP_ATTR_USER_SID),
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_RID),
616 username));
617 return False;
618 }
619
620 temp = smbldap_talloc_single_attribute(
621 ldap_state->smbldap_state->ldap_struct,
622 entry,
623 get_userattr_key2string(ldap_state->schema_ver,
624 LDAP_ATTR_PWD_LAST_SET),
625 ctx);
626 if (temp) {
627 pass_last_set_time = (time_t) atol(temp);
628 pdb_set_pass_last_set_time(sampass,
629 pass_last_set_time, PDB_SET);
630 }
631
632 temp = smbldap_talloc_single_attribute(
633 ldap_state->smbldap_state->ldap_struct,
634 entry,
635 get_userattr_key2string(ldap_state->schema_ver,
636 LDAP_ATTR_LOGON_TIME),
637 ctx);
638 if (temp) {
639 logon_time = (time_t) atol(temp);
640 pdb_set_logon_time(sampass, logon_time, PDB_SET);
641 }
642
643 temp = smbldap_talloc_single_attribute(
644 ldap_state->smbldap_state->ldap_struct,
645 entry,
646 get_userattr_key2string(ldap_state->schema_ver,
647 LDAP_ATTR_LOGOFF_TIME),
648 ctx);
649 if (temp) {
650 logoff_time = (time_t) atol(temp);
651 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
652 }
653
654 temp = smbldap_talloc_single_attribute(
655 ldap_state->smbldap_state->ldap_struct,
656 entry,
657 get_userattr_key2string(ldap_state->schema_ver,
658 LDAP_ATTR_KICKOFF_TIME),
659 ctx);
660 if (temp) {
661 kickoff_time = (time_t) atol(temp);
662 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
663 }
664
665 temp = smbldap_talloc_single_attribute(
666 ldap_state->smbldap_state->ldap_struct,
667 entry,
668 get_userattr_key2string(ldap_state->schema_ver,
669 LDAP_ATTR_PWD_CAN_CHANGE),
670 ctx);
671 if (temp) {
672 pass_can_change_time = (time_t) atol(temp);
673 pdb_set_pass_can_change_time(sampass,
674 pass_can_change_time, PDB_SET);
675 }
676
677 temp = smbldap_talloc_single_attribute(
678 ldap_state->smbldap_state->ldap_struct,
679 entry,
680 get_userattr_key2string(ldap_state->schema_ver,
681 LDAP_ATTR_PWD_MUST_CHANGE),
682 ctx);
683 if (temp) {
684 pass_must_change_time = (time_t) atol(temp);
685 pdb_set_pass_must_change_time(sampass,
686 pass_must_change_time, PDB_SET);
687 }
688
689 /* recommend that 'gecos' and 'displayName' should refer to the same
690 * attribute OID. userFullName depreciated, only used by Samba
691 * primary rules of LDAP: don't make a new attribute when one is already defined
692 * that fits your needs; using cn then displayName rather than 'userFullName'
693 */
694
695 fullname = smbldap_talloc_single_attribute(
696 ldap_state->smbldap_state->ldap_struct,
697 entry,
698 get_userattr_key2string(ldap_state->schema_ver,
699 LDAP_ATTR_DISPLAY_NAME),
700 ctx);
701 if (fullname) {
702 pdb_set_fullname(sampass, fullname, PDB_SET);
703 } else {
704 fullname = smbldap_talloc_single_attribute(
705 ldap_state->smbldap_state->ldap_struct,
706 entry,
707 get_userattr_key2string(ldap_state->schema_ver,
708 LDAP_ATTR_CN),
709 ctx);
710 if (fullname) {
711 pdb_set_fullname(sampass, fullname, PDB_SET);
712 }
713 }
714
715 dir_drive = smbldap_talloc_single_attribute(
716 ldap_state->smbldap_state->ldap_struct,
717 entry,
718 get_userattr_key2string(ldap_state->schema_ver,
719 LDAP_ATTR_HOME_DRIVE),
720 ctx);
721 if (dir_drive) {
722 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
723 } else {
724 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
725 }
726
727 homedir = smbldap_talloc_single_attribute(
728 ldap_state->smbldap_state->ldap_struct,
729 entry,
730 get_userattr_key2string(ldap_state->schema_ver,
731 LDAP_ATTR_HOME_PATH),
732 ctx);
733 if (homedir) {
734 if (expand_explicit) {
735 homedir = talloc_sub_basic(ctx,
736 username,
737 domain,
738 homedir);
739 if (!homedir) {
740 goto fn_exit;
741 }
742 }
743 pdb_set_homedir(sampass, homedir, PDB_SET);
744 } else {
745 pdb_set_homedir(sampass,
746 talloc_sub_basic(ctx, username, domain,
747 lp_logon_home()),
748 PDB_DEFAULT);
749 }
750
751 logon_script = smbldap_talloc_single_attribute(
752 ldap_state->smbldap_state->ldap_struct,
753 entry,
754 get_userattr_key2string(ldap_state->schema_ver,
755 LDAP_ATTR_LOGON_SCRIPT),
756 ctx);
757 if (logon_script) {
758 if (expand_explicit) {
759 logon_script = talloc_sub_basic(ctx,
760 username,
761 domain,
762 logon_script);
763 if (!logon_script) {
764 goto fn_exit;
765 }
766 }
767 pdb_set_logon_script(sampass, logon_script, PDB_SET);
768 } else {
769 pdb_set_logon_script(sampass,
770 talloc_sub_basic(ctx, username, domain,
771 lp_logon_script()),
772 PDB_DEFAULT );
773 }
774
775 profile_path = smbldap_talloc_single_attribute(
776 ldap_state->smbldap_state->ldap_struct,
777 entry,
778 get_userattr_key2string(ldap_state->schema_ver,
779 LDAP_ATTR_PROFILE_PATH),
780 ctx);
781 if (profile_path) {
782 if (expand_explicit) {
783 profile_path = talloc_sub_basic(ctx,
784 username,
785 domain,
786 profile_path);
787 if (!profile_path) {
788 goto fn_exit;
789 }
790 }
791 pdb_set_profile_path(sampass, profile_path, PDB_SET);
792 } else {
793 pdb_set_profile_path(sampass,
794 talloc_sub_basic(ctx, username, domain,
795 lp_logon_path()),
796 PDB_DEFAULT );
797 }
798
799 acct_desc = smbldap_talloc_single_attribute(
800 ldap_state->smbldap_state->ldap_struct,
801 entry,
802 get_userattr_key2string(ldap_state->schema_ver,
803 LDAP_ATTR_DESC),
804 ctx);
805 if (acct_desc) {
806 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
807 }
808
809 workstations = smbldap_talloc_single_attribute(
810 ldap_state->smbldap_state->ldap_struct,
811 entry,
812 get_userattr_key2string(ldap_state->schema_ver,
813 LDAP_ATTR_USER_WKS),
814 ctx);
815 if (workstations) {
816 pdb_set_workstations(sampass, workstations, PDB_SET);
817 }
818
819 munged_dial = smbldap_talloc_single_attribute(
820 ldap_state->smbldap_state->ldap_struct,
821 entry,
822 get_userattr_key2string(ldap_state->schema_ver,
823 LDAP_ATTR_MUNGED_DIAL),
824 ctx);
825 if (munged_dial) {
826 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
827 }
828
829 /* FIXME: hours stuff should be cleaner */
830
831 logon_divs = 168;
832 hours_len = 21;
833 memset(hours, 0xff, hours_len);
834
835 if (ldap_state->is_nds_ldap) {
836 char *user_dn;
837 size_t pwd_len;
838 char clear_text_pw[512];
839
840 /* Make call to Novell eDirectory ldap extension to get clear text password.
841 NOTE: This will only work if we have an SSL connection to eDirectory. */
842 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
843 if (user_dn != NULL) {
844 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
845
846 pwd_len = sizeof(clear_text_pw);
847 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
848 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
849 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
850 SAFE_FREE(user_dn);
851 return False;
852 }
853 ZERO_STRUCT(smblmpwd);
854 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
855 SAFE_FREE(user_dn);
856 return False;
857 }
858 ZERO_STRUCT(smbntpwd);
859 use_samba_attrs = False;
860 }
861
862 SAFE_FREE(user_dn);
863
864 } else {
865 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
866 }
867 }
868
869 if (use_samba_attrs) {
870 temp = smbldap_talloc_single_attribute(
871 ldap_state->smbldap_state->ldap_struct,
872 entry,
873 get_userattr_key2string(ldap_state->schema_ver,
874 LDAP_ATTR_LMPW),
875 ctx);
876 if (temp) {
877 pdb_gethexpwd(temp, smblmpwd);
878 memset((char *)temp, '\0', strlen(temp)+1);
879 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
880 goto fn_exit;
881 }
882 ZERO_STRUCT(smblmpwd);
883 }
884
885 temp = smbldap_talloc_single_attribute(
886 ldap_state->smbldap_state->ldap_struct,
887 entry,
888 get_userattr_key2string(ldap_state->schema_ver,
889 LDAP_ATTR_NTPW),
890 ctx);
891 if (temp) {
892 pdb_gethexpwd(temp, smbntpwd);
893 memset((char *)temp, '\0', strlen(temp)+1);
894 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
895 goto fn_exit;
896 }
897 ZERO_STRUCT(smbntpwd);
898 }
899 }
900
901 pwHistLen = 0;
902
903 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
904 if (pwHistLen > 0){
905 uint8 *pwhist = NULL;
906 int i;
907 char *history_string = TALLOC_ARRAY(ctx, char,
908 MAX_PW_HISTORY_LEN*64);
909
910 if (!history_string) {
911 goto fn_exit;
912 }
913
914 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
915
916 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
917 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
918 NULL){
919 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
920 goto fn_exit;
921 }
922 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
923
924 if (smbldap_get_single_attribute(
925 ldap_state->smbldap_state->ldap_struct,
926 entry,
927 get_userattr_key2string(ldap_state->schema_ver,
928 LDAP_ATTR_PWD_HISTORY),
929 history_string,
930 MAX_PW_HISTORY_LEN*64)) {
931 bool hex_failed = false;
932 for (i = 0; i < pwHistLen; i++){
933 /* Get the 16 byte salt. */
934 if (!pdb_gethexpwd(&history_string[i*64],
935 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
936 hex_failed = true;
937 break;
938 }
939 /* Get the 16 byte MD5 hash of salt+passwd. */
940 if (!pdb_gethexpwd(&history_string[(i*64)+32],
941 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
942 PW_HISTORY_SALT_LEN])) {
943 hex_failed = True;
944 break;
945 }
946 }
947 if (hex_failed) {
948 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
949 username));
950 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
951 }
952 }
953 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
954 goto fn_exit;
955 }
956 }
957
958 temp = smbldap_talloc_single_attribute(
959 ldap_state->smbldap_state->ldap_struct,
960 entry,
961 get_userattr_key2string(ldap_state->schema_ver,
962 LDAP_ATTR_ACB_INFO),
963 ctx);
964 if (temp) {
965 acct_ctrl = pdb_decode_acct_ctrl(temp);
966
967 if (acct_ctrl == 0) {
968 acct_ctrl |= ACB_NORMAL;
969 }
970
971 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
972 } else {
973 acct_ctrl |= ACB_NORMAL;
974 }
975
976 pdb_set_hours_len(sampass, hours_len, PDB_SET);
977 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
978
979 temp = smbldap_talloc_single_attribute(
980 ldap_state->smbldap_state->ldap_struct,
981 entry,
982 get_userattr_key2string(ldap_state->schema_ver,
983 LDAP_ATTR_BAD_PASSWORD_COUNT),
984 ctx);
985 if (temp) {
986 bad_password_count = (uint32) atol(temp);
987 pdb_set_bad_password_count(sampass,
988 bad_password_count, PDB_SET);
989 }
990
991 temp = smbldap_talloc_single_attribute(
992 ldap_state->smbldap_state->ldap_struct,
993 entry,
994 get_userattr_key2string(ldap_state->schema_ver,
995 LDAP_ATTR_BAD_PASSWORD_TIME),
996 ctx);
997 if (temp) {
998 bad_password_time = (time_t) atol(temp);
999 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1000 }
1001
1002
1003 temp = smbldap_talloc_single_attribute(
1004 ldap_state->smbldap_state->ldap_struct,
1005 entry,
1006 get_userattr_key2string(ldap_state->schema_ver,
1007 LDAP_ATTR_LOGON_COUNT),
1008 ctx);
1009 if (temp) {
1010 logon_count = (uint32) atol(temp);
1011 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1012 }
1013
1014 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1015
1016 temp = smbldap_talloc_single_attribute(
1017 ldap_state->smbldap_state->ldap_struct,
1018 entry,
1019 get_userattr_key2string(ldap_state->schema_ver,
1020 LDAP_ATTR_LOGON_HOURS),
1021 ctx);
1022 if (temp) {
1023 pdb_gethexhours(temp, hours);
1024 memset((char *)temp, '\0', strlen(temp) +1);
1025 pdb_set_hours(sampass, hours, PDB_SET);
1026 ZERO_STRUCT(hours);
1027 }
1028
1029 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1030 temp = smbldap_talloc_single_attribute(
1031 priv2ld(ldap_state),
1032 entry,
1033 "uidNumber",
1034 ctx);
1035 if (temp) {
1036 /* We've got a uid, feed the cache */
1037 uid_t uid = strtoul(temp, NULL, 10);
1038 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1039 }
1040 }
1041
1042 /* check the timestamp of the cache vs ldap entry */
1043 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1044 entry))) {
1045 ret = true;
1046 goto fn_exit;
1047 }
1048
1049 /* see if we have newer updates */
1050 if (!(cache_entry = login_cache_read(sampass))) {
1051 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1052 (unsigned int)pdb_get_bad_password_count(sampass),
1053 (unsigned int)pdb_get_bad_password_time(sampass)));
1054 ret = true;
1055 goto fn_exit;
1056 }
1057
1058 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1059 (unsigned int)ldap_entry_time,
1060 (unsigned int)cache_entry->entry_timestamp,
1061 (unsigned int)cache_entry->bad_password_time));
1062
1063 if (ldap_entry_time > cache_entry->entry_timestamp) {
1064 /* cache is older than directory , so
1065 we need to delete the entry but allow the
1066 fields to be written out */
1067 login_cache_delentry(sampass);
1068 } else {
1069 /* read cache in */
1070 pdb_set_acct_ctrl(sampass,
1071 pdb_get_acct_ctrl(sampass) |
1072 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1073 PDB_SET);
1074 pdb_set_bad_password_count(sampass,
1075 cache_entry->bad_password_count,
1076 PDB_SET);
1077 pdb_set_bad_password_time(sampass,
1078 cache_entry->bad_password_time,
1079 PDB_SET);
1080 }
1081
1082 ret = true;
1083
1084 fn_exit:
1085
1086 TALLOC_FREE(ctx);
1087 SAFE_FREE(cache_entry);
1088 return ret;
1089 }
1090
1091 /**********************************************************************
1092 Initialize the ldap db from a struct samu. Called on update.
1093 (Based on init_buffer_from_sam in pdb_tdb.c)
1094 *********************************************************************/
1095
1096 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1097 LDAPMessage *existing,
1098 LDAPMod *** mods, struct samu * sampass,
1099 bool (*need_update)(const struct samu *,
1100 enum pdb_elements))
1101 {
1102 char *temp = NULL;
1103 uint32 rid;
1104
1105 if (mods == NULL || sampass == NULL) {
1106 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1107 return False;
1108 }
1109
1110 *mods = NULL;
1111
1112 /*
1113 * took out adding "objectclass: sambaAccount"
1114 * do this on a per-mod basis
1115 */
1116 if (need_update(sampass, PDB_USERNAME)) {
1117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1118 "uid", pdb_get_username(sampass));
1119 if (ldap_state->is_nds_ldap) {
1120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1121 "cn", pdb_get_username(sampass));
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 "sn", pdb_get_username(sampass));
1124 }
1125 }
1126
1127 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1128
1129 /* only update the RID if we actually need to */
1130 if (need_update(sampass, PDB_USERSID)) {
1131 fstring sid_string;
1132 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1133
1134 switch ( ldap_state->schema_ver ) {
1135 case SCHEMAVER_SAMBAACCOUNT:
1136 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1137 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1138 sid_string_dbg(user_sid),
1139 sid_string_dbg(
1140 &ldap_state->domain_sid)));
1141 return False;
1142 }
1143 if (asprintf(&temp, "%i", rid) < 0) {
1144 return false;
1145 }
1146 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1147 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1148 temp);
1149 SAFE_FREE(temp);
1150 break;
1151
1152 case SCHEMAVER_SAMBASAMACCOUNT:
1153 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1154 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1155 sid_to_fstring(sid_string, user_sid));
1156 break;
1157
1158 default:
1159 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1160 break;
1161 }
1162 }
1163
1164 /* we don't need to store the primary group RID - so leaving it
1165 'free' to hang off the unix primary group makes life easier */
1166
1167 if (need_update(sampass, PDB_GROUPSID)) {
1168 fstring sid_string;
1169 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1170
1171 switch ( ldap_state->schema_ver ) {
1172 case SCHEMAVER_SAMBAACCOUNT:
1173 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1174 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1175 sid_string_dbg(group_sid),
1176 sid_string_dbg(
1177 &ldap_state->domain_sid)));
1178 return False;
1179 }
1180
1181 if (asprintf(&temp, "%i", rid) < 0) {
1182 return false;
1183 }
1184 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1185 get_userattr_key2string(ldap_state->schema_ver,
1186 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1187 SAFE_FREE(temp);
1188 break;
1189
1190 case SCHEMAVER_SAMBASAMACCOUNT:
1191 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1192 get_userattr_key2string(ldap_state->schema_ver,
1193 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1194 break;
1195
1196 default:
1197 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1198 break;
1199 }
1200
1201 }
1202
1203 /* displayName, cn, and gecos should all be the same
1204 * most easily accomplished by giving them the same OID
1205 * gecos isn't set here b/c it should be handled by the
1206 * add-user script
1207 * We change displayName only and fall back to cn if
1208 * it does not exist.
1209 */
1210
1211 if (need_update(sampass, PDB_FULLNAME))
1212 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1213 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1214 pdb_get_fullname(sampass));
1215
1216 if (need_update(sampass, PDB_ACCTDESC))
1217 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1218 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1219 pdb_get_acct_desc(sampass));
1220
1221 if (need_update(sampass, PDB_WORKSTATIONS))
1222 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1223 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1224 pdb_get_workstations(sampass));
1225
1226 if (need_update(sampass, PDB_MUNGEDDIAL))
1227 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1228 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1229 pdb_get_munged_dial(sampass));
1230
1231 if (need_update(sampass, PDB_SMBHOME))
1232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1233 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1234 pdb_get_homedir(sampass));
1235
1236 if (need_update(sampass, PDB_DRIVE))
1237 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1238 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1239 pdb_get_dir_drive(sampass));
1240
1241 if (need_update(sampass, PDB_LOGONSCRIPT))
1242 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1243 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1244 pdb_get_logon_script(sampass));
1245
1246 if (need_update(sampass, PDB_PROFILE))
1247 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1248 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1249 pdb_get_profile_path(sampass));
1250
1251 if (asprintf(&temp, "%li", pdb_get_logon_time(sampass)) < 0) {
1252 return false;
1253 }
1254 if (need_update(sampass, PDB_LOGONTIME))
1255 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1256 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1257 SAFE_FREE(temp);
1258
1259 if (asprintf(&temp, "%li", pdb_get_logoff_time(sampass)) < 0) {
1260 return false;
1261 }
1262 if (need_update(sampass, PDB_LOGOFFTIME))
1263 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1264 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1265 SAFE_FREE(temp);
1266
1267 if (asprintf(&temp, "%li", pdb_get_kickoff_time(sampass)) < 0) {
1268 return false;
1269 }
1270 if (need_update(sampass, PDB_KICKOFFTIME))
1271 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1272 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1273 SAFE_FREE(temp);
1274
1275 if (asprintf(&temp, "%li", pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1276 return false;
1277 }
1278 if (need_update(sampass, PDB_CANCHANGETIME))
1279 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1280 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1281 SAFE_FREE(temp);
1282
1283 if (asprintf(&temp, "%li", pdb_get_pass_must_change_time(sampass)) < 0) {
1284 return false;
1285 }
1286 if (need_update(sampass, PDB_MUSTCHANGETIME))
1287 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1288 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1289 SAFE_FREE(temp);
1290
1291 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1292 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1293
1294 if (need_update(sampass, PDB_LMPASSWD)) {
1295 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1296 if (lm_pw) {
1297 char pwstr[34];
1298 pdb_sethexpwd(pwstr, lm_pw,
1299 pdb_get_acct_ctrl(sampass));
1300 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1302 pwstr);
1303 } else {
1304 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1305 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1306 NULL);
1307 }
1308 }
1309 if (need_update(sampass, PDB_NTPASSWD)) {
1310 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1311 if (nt_pw) {
1312 char pwstr[34];
1313 pdb_sethexpwd(pwstr, nt_pw,
1314 pdb_get_acct_ctrl(sampass));
1315 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1316 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1317 pwstr);
1318 } else {
1319 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1320 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1321 NULL);
1322 }
1323 }
1324
1325 if (need_update(sampass, PDB_PWHISTORY)) {
1326 char *pwstr = NULL;
1327 uint32 pwHistLen = 0;
1328 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1329
1330 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1331 if (!pwstr) {
1332 return false;
1333 }
1334 if (pwHistLen == 0) {
1335 /* Remove any password history from the LDAP store. */
1336 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1337 pwstr[64] = '\0';
1338 } else {
1339 int i;
1340 uint32 currHistLen = 0;
1341 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1342 if (pwhist != NULL) {
1343 /* We can only store (1024-1/64 password history entries. */
1344 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1345 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1346 /* Store the salt. */
1347 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1348 /* Followed by the md5 hash of salt + md4 hash */
1349 pdb_sethexpwd(&pwstr[(i*64)+32],
1350 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1351 DEBUG(100, ("pwstr=%s\n", pwstr));
1352 }
1353 }
1354 }
1355 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1356 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1357 pwstr);
1358 SAFE_FREE(pwstr);
1359 }
1360
1361 if (need_update(sampass, PDB_PASSLASTSET)) {
1362 if (asprintf(&temp, "%li",
1363 pdb_get_pass_last_set_time(sampass)) < 0) {
1364 return false;
1365 }
1366 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1367 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1368 temp);
1369 SAFE_FREE(temp);
1370 }
1371 }
1372
1373 if (need_update(sampass, PDB_HOURS)) {
1374 const uint8 *hours = pdb_get_hours(sampass);
1375 if (hours) {
1376 char hourstr[44];
1377 pdb_sethexhours(hourstr, hours);
1378 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1379 existing,
1380 mods,
1381 get_userattr_key2string(ldap_state->schema_ver,
1382 LDAP_ATTR_LOGON_HOURS),
1383 hourstr);
1384 }
1385 }
1386
1387 if (need_update(sampass, PDB_ACCTCTRL))
1388 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1389 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1390 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1391
1392 /* password lockout cache:
1393 - If we are now autolocking or clearing, we write to ldap
1394 - If we are clearing, we delete the cache entry
1395 - If the count is > 0, we update the cache
1396
1397 This even means when autolocking, we cache, just in case the
1398 update doesn't work, and we have to cache the autolock flag */
1399
1400 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1401 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1402 uint16 badcount = pdb_get_bad_password_count(sampass);
1403 time_t badtime = pdb_get_bad_password_time(sampass);
1404 uint32 pol;
1405 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1406
1407 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1408 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1409
1410 if ((badcount >= pol) || (badcount == 0)) {
1411 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1412 (unsigned int)badcount, (unsigned int)badtime));
1413 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1414 return false;
1415 }
1416 smbldap_make_mod(
1417 ldap_state->smbldap_state->ldap_struct,
1418 existing, mods,
1419 get_userattr_key2string(
1420 ldap_state->schema_ver,
1421 LDAP_ATTR_BAD_PASSWORD_COUNT),
1422 temp);
1423 SAFE_FREE(temp);
1424
1425 if (asprintf(&temp, "%li", badtime) < 0) {
1426 return false;
1427 }
1428 smbldap_make_mod(
1429 ldap_state->smbldap_state->ldap_struct,
1430 existing, mods,
1431 get_userattr_key2string(
1432 ldap_state->schema_ver,
1433 LDAP_ATTR_BAD_PASSWORD_TIME),
1434 temp);
1435 SAFE_FREE(temp);
1436 }
1437 if (badcount == 0) {
1438 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1439 login_cache_delentry(sampass);
1440 } else {
1441 LOGIN_CACHE cache_entry;
1442
1443 cache_entry.entry_timestamp = time(NULL);
1444 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1445 cache_entry.bad_password_count = badcount;
1446 cache_entry.bad_password_time = badtime;
1447
1448 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1449 login_cache_write(sampass, cache_entry);
1450 }
1451 }
1452
1453 return True;
1454 }
1455
1456 /**********************************************************************
1457 End enumeration of the LDAP password list.
1458 *********************************************************************/
1459
1460 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1461 {
1462 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1463 if (ldap_state->result) {
1464 ldap_msgfree(ldap_state->result);
1465 ldap_state->result = NULL;
1466 }
1467 }
1468
1469 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1470 const char *new_attr)
1471 {
1472 int i;
1473
1474 if (new_attr == NULL) {
1475 return;
1476 }
1477
1478 for (i=0; (*attr_list)[i] != NULL; i++) {
1479 ;
1480 }
1481
1482 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1483 const char *, i+2);
1484 SMB_ASSERT((*attr_list) != NULL);
1485 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1486 (*attr_list)[i+1] = NULL;
1487 }
1488
1489 /**********************************************************************
1490 Get struct samu entry from LDAP by username.
1491 *********************************************************************/
1492
1493 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1494 {
1495 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1496 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1497 LDAPMessage *result = NULL;
1498 LDAPMessage *entry = NULL;
1499 int count;
1500 const char ** attr_list;
1501 int rc;
1502
1503 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1504 append_attr(user, &attr_list,
1505 get_userattr_key2string(ldap_state->schema_ver,
1506 LDAP_ATTR_MOD_TIMESTAMP));
1507 append_attr(user, &attr_list, "uidNumber");
1508 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1509 attr_list);
1510 TALLOC_FREE( attr_list );
1511
1512 if ( rc != LDAP_SUCCESS )
1513 return NT_STATUS_NO_SUCH_USER;
1514
1515 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1516
1517 if (count < 1) {
1518 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1519 ldap_msgfree(result);
1520 return NT_STATUS_NO_SUCH_USER;
1521 } else if (count > 1) {
1522 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1523 ldap_msgfree(result);
1524 return NT_STATUS_NO_SUCH_USER;
1525 }
1526
1527 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1528 if (entry) {
1529 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1530 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1531 ldap_msgfree(result);
1532 return NT_STATUS_NO_SUCH_USER;
1533 }
1534 pdb_set_backend_private_data(user, result, NULL,
1535 my_methods, PDB_CHANGED);
1536 talloc_autofree_ldapmsg(user, result);
1537 ret = NT_STATUS_OK;
1538 } else {
1539 ldap_msgfree(result);
1540 }
1541 return ret;
1542 }
1543
1544 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1545 const DOM_SID *sid, LDAPMessage **result)
1546 {
1547 int rc = -1;
1548 const char ** attr_list;
1549 uint32 rid;
1550
1551 switch ( ldap_state->schema_ver ) {
1552 case SCHEMAVER_SAMBASAMACCOUNT: {
1553 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1554 if (tmp_ctx == NULL) {
1555 return LDAP_NO_MEMORY;
1556 }
1557
1558 attr_list = get_userattr_list(tmp_ctx,
1559 ldap_state->schema_ver);
1560 append_attr(tmp_ctx, &attr_list,
1561 get_userattr_key2string(
1562 ldap_state->schema_ver,
1563 LDAP_ATTR_MOD_TIMESTAMP));
1564 append_attr(tmp_ctx, &attr_list, "uidNumber");
1565 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1566 result, attr_list);
1567 TALLOC_FREE(tmp_ctx);
1568
1569 if ( rc != LDAP_SUCCESS )
1570 return rc;
1571 break;
1572 }
1573
1574 case SCHEMAVER_SAMBAACCOUNT:
1575 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1576 return rc;
1577 }
1578
1579 attr_list = get_userattr_list(NULL,
1580 ldap_state->schema_ver);
1581 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1582 TALLOC_FREE( attr_list );
1583
1584 if ( rc != LDAP_SUCCESS )
1585 return rc;
1586 break;
1587 }
1588 return rc;
1589 }
1590
1591 /**********************************************************************
1592 Get struct samu entry from LDAP by SID.
1593 *********************************************************************/
1594
1595 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1596 {
1597 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1598 LDAPMessage *result = NULL;
1599 LDAPMessage *entry = NULL;
1600 int count;
1601 int rc;
1602
1603 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1604 sid, &result);
1605 if (rc != LDAP_SUCCESS)
1606 return NT_STATUS_NO_SUCH_USER;
1607
1608 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1609
1610 if (count < 1) {
1611 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1612 "count=%d\n", sid_string_dbg(sid), count));
1613 ldap_msgfree(result);
1614 return NT_STATUS_NO_SUCH_USER;
1615 } else if (count > 1) {
1616 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1617 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1618 count));
1619 ldap_msgfree(result);
1620 return NT_STATUS_NO_SUCH_USER;
1621 }
1622
1623 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1624 if (!entry) {
1625 ldap_msgfree(result);
1626 return NT_STATUS_NO_SUCH_USER;
1627 }
1628
1629 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1630 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1631 ldap_msgfree(result);
1632 return NT_STATUS_NO_SUCH_USER;
1633 }
1634
1635 pdb_set_backend_private_data(user, result, NULL,
1636 my_methods, PDB_CHANGED);
1637 talloc_autofree_ldapmsg(user, result);
1638 return NT_STATUS_OK;
1639 }
1640
1641 /********************************************************************
1642 Do the actual modification - also change a plaintext passord if
1643 it it set.
1644 **********************************************************************/
1645
1646 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1647 struct samu *newpwd, char *dn,
1648 LDAPMod **mods, int ldap_op,
1649 bool (*need_update)(const struct samu *, enum pdb_elements))
1650 {
1651 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1652 int rc;
1653
1654 if (!newpwd || !dn) {
1655 return NT_STATUS_INVALID_PARAMETER;
1656 }
1657
1658 if (!mods) {
1659 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1660 /* may be password change below however */
1661 } else {
1662 switch(ldap_op) {
1663 case LDAP_MOD_ADD:
1664 if (ldap_state->is_nds_ldap) {
1665 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1666 "objectclass",
1667 "inetOrgPerson");
1668 } else {
1669 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1670 "objectclass",
1671 LDAP_OBJ_ACCOUNT);
1672 }
1673 rc = smbldap_add(ldap_state->smbldap_state,
1674 dn, mods);
1675 break;
1676 case LDAP_MOD_REPLACE:
1677 rc = smbldap_modify(ldap_state->smbldap_state,
1678 dn ,mods);
1679 break;
1680 default:
1681 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1682 ldap_op));
1683 return NT_STATUS_INVALID_PARAMETER;
1684 }
1685
1686 if (rc!=LDAP_SUCCESS) {
1687 return NT_STATUS_UNSUCCESSFUL;
1688 }
1689 }
1690
1691 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1692 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1693 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1694 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1695 BerElement *ber;
1696 struct berval *bv;
1697 char *retoid = NULL;
1698 struct berval *retdata = NULL;
1699 char *utf8_password;
1700 char *utf8_dn;
1701
1702 if (!ldap_state->is_nds_ldap) {
1703
1704 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1705 LDAP_EXOP_MODIFY_PASSWD)) {
1706 DEBUG(2, ("ldap password change requested, but LDAP "
1707 "server does not support it -- ignoring\n"));
1708 return NT_STATUS_OK;
1709 }
1710 }
1711
1712 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1713 return NT_STATUS_NO_MEMORY;
1714 }
1715
1716 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1717 SAFE_FREE(utf8_password);
1718 return NT_STATUS_NO_MEMORY;
1719 }
1720
1721 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1722 DEBUG(0,("ber_alloc_t returns NULL\n"));
1723 SAFE_FREE(utf8_password);
1724 SAFE_FREE(utf8_dn);
1725 return NT_STATUS_UNSUCCESSFUL;
1726 }
1727
1728 ber_printf (ber, "{");
1729 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1730 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1731 ber_printf (ber, "n}");
1732
1733 if ((rc = ber_flatten (ber, &bv))<0) {
1734 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1735 ber_free(ber,1);
1736 SAFE_FREE(utf8_dn);
1737 SAFE_FREE(utf8_password);
1738 return NT_STATUS_UNSUCCESSFUL;
1739 }
1740
1741 SAFE_FREE(utf8_dn);
1742 SAFE_FREE(utf8_password);
1743 ber_free(ber, 1);
1744
1745 if (!ldap_state->is_nds_ldap) {
1746 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1747 LDAP_EXOP_MODIFY_PASSWD,
1748 bv, NULL, NULL, &retoid,
1749 &retdata);
1750 } else {
1751 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1752 pdb_get_plaintext_passwd(newpwd));
1753 }
1754 if (rc != LDAP_SUCCESS) {
1755 char *ld_error = NULL;
1756
1757 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1758 DEBUG(3, ("Could not set userPassword "
1759 "attribute due to an objectClass "
1760 "violation -- ignoring\n"));
1761 ber_bvfree(bv);
1762 return NT_STATUS_OK;
1763 }
1764
1765 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1766 &ld_error);
1767 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1768 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1769 SAFE_FREE(ld_error);
1770 ber_bvfree(bv);
1771 #if defined(LDAP_CONSTRAINT_VIOLATION)
1772 if (rc == LDAP_CONSTRAINT_VIOLATION)
1773 return NT_STATUS_PASSWORD_RESTRICTION;
1774 #endif
1775 return NT_STATUS_UNSUCCESSFUL;
1776 } else {
1777 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1778 #ifdef DEBUG_PASSWORD
1779 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1780 #endif
1781 if (retdata)
1782 ber_bvfree(retdata);
1783 if (retoid)
1784 ldap_memfree(retoid);
1785 }
1786 ber_bvfree(bv);
1787 }
1788 return NT_STATUS_OK;
1789 }
1790
1791 /**********************************************************************
1792 Delete entry from LDAP for username.
1793 *********************************************************************/
1794
1795 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1796 struct samu * sam_acct)
1797 {
1798 struct ldapsam_privates *priv =
1799 (struct ldapsam_privates *)my_methods->private_data;
1800 const char *sname;
1801 int rc;
1802 LDAPMessage *msg, *entry;
1803 NTSTATUS result = NT_STATUS_NO_MEMORY;
1804 const char **attr_list;
1805 TALLOC_CTX *mem_ctx;
1806
1807 if (!sam_acct) {
1808 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1809 return NT_STATUS_INVALID_PARAMETER;
1810 }
1811
1812 sname = pdb_get_username(sam_acct);
1813
1814 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1815 "LDAP.\n", sname));
1816
1817 mem_ctx = talloc_new(NULL);
1818 if (mem_ctx == NULL) {
1819 DEBUG(0, ("talloc_new failed\n"));
1820 goto done;
1821 }
1822
1823 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1824 if (attr_list == NULL) {
1825 goto done;
1826 }
1827
1828 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1829
1830 if ((rc != LDAP_SUCCESS) ||
1831 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1832 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1833 DEBUG(5, ("Could not find user %s\n", sname));
1834 result = NT_STATUS_NO_SUCH_USER;
1835 goto done;
1836 }
1837
1838 rc = ldapsam_delete_entry(
1839 priv, mem_ctx, entry,
1840 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1841 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1842 attr_list);
1843
1844 result = (rc == LDAP_SUCCESS) ?
1845 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1846
1847 done:
1848 TALLOC_FREE(mem_ctx);
1849 return result;
1850 }
1851
1852 /**********************************************************************
1853 Helper function to determine for update_sam_account whether
1854 we need LDAP modification.
1855 *********************************************************************/
1856
1857 static bool element_is_changed(const struct samu *sampass,
1858 enum pdb_elements element)
1859 {
1860 return IS_SAM_CHANGED(sampass, element);
1861 }
1862
1863 /**********************************************************************
1864 Update struct samu.
1865 *********************************************************************/
1866
1867 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1868 {
1869 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1870 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1871 int rc = 0;
1872 char *dn;
1873 LDAPMessage *result = NULL;
1874 LDAPMessage *entry = NULL;
1875 LDAPMod **mods = NULL;
1876 const char **attr_list;
1877
1878 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1879 if (!result) {
1880 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1881 if (pdb_get_username(newpwd) == NULL) {
1882 return NT_STATUS_INVALID_PARAMETER;
1883 }
1884 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1885 TALLOC_FREE( attr_list );
1886 if (rc != LDAP_SUCCESS) {
1887 return NT_STATUS_UNSUCCESSFUL;
1888 }
1889 pdb_set_backend_private_data(newpwd, result, NULL,
1890 my_methods, PDB_CHANGED);
1891 talloc_autofree_ldapmsg(newpwd, result);
1892 }
1893
1894 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1895 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1896 return NT_STATUS_UNSUCCESSFUL;
1897 }
1898
1899 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1900 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1901 if (!dn) {
1902 return NT_STATUS_UNSUCCESSFUL;
1903 }
1904
1905 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1906
1907 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1908 element_is_changed)) {
1909 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1910 SAFE_FREE(dn);
1911 if (mods != NULL)
1912 ldap_mods_free(mods,True);
1913 return NT_STATUS_UNSUCCESSFUL;
1914 }
1915
1916 if (mods == NULL) {
1917 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1918 pdb_get_username(newpwd)));
1919 SAFE_FREE(dn);
1920 return NT_STATUS_OK;
1921 }
1922
1923 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1924 ldap_mods_free(mods,True);
1925 SAFE_FREE(dn);
1926
1927 /*
1928 * We need to set the backend private data to NULL here. For example
1929 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1930 * same one, and with the explicit delete / add logic for attribute
1931 * values the second time we would use the wrong "old" value which
1932 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1933 * the update.
1934 * The existing LDAPMessage is still being auto-freed by the
1935 * destructor.
1936 */
1937 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1938 PDB_CHANGED);
1939
1940 if (!NT_STATUS_IS_OK(ret)) {
1941 return ret;
1942 }
1943
1944 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1945 pdb_get_username(newpwd)));
1946 return NT_STATUS_OK;
1947 }
1948
1949 /***************************************************************************
1950 Renames a struct samu
1951 - The "rename user script" has full responsibility for changing everything
1952 ***************************************************************************/
1953
1954 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1955 struct samu *old_acct,
1956 const char *newname)
1957 {
1958 const char *oldname;
1959 int rc;
1960 char *rename_script = NULL;
1961 fstring oldname_lower, newname_lower;
1962
1963 if (!old_acct) {
1964 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1965 return NT_STATUS_INVALID_PARAMETER;
1966 }
1967 if (!newname) {
1968 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1969 return NT_STATUS_INVALID_PARAMETER;
1970 }
1971
1972 oldname = pdb_get_username(old_acct);
1973
1974 /* rename the posix user */
1975 rename_script = SMB_STRDUP(lp_renameuser_script());
1976 if (rename_script == NULL) {
1977 return NT_STATUS_NO_MEMORY;
1978 }
1979
1980 if (!(*rename_script)) {
1981 SAFE_FREE(rename_script);
1982 return NT_STATUS_ACCESS_DENIED;
1983 }
1984
1985 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1986 oldname, newname));
1987
1988 /* We have to allow the account name to end with a '$'.
1989 Also, follow the semantics in _samr_create_user() and lower case the
1990 posix name but preserve the case in passdb */
1991
1992 fstrcpy( oldname_lower, oldname );
1993 strlower_m( oldname_lower );
1994 fstrcpy( newname_lower, newname );
1995 strlower_m( newname_lower );
1996 rename_script = realloc_string_sub2(rename_script,
1997 "%unew",
1998 newname_lower,
1999 true,
2000 true);
2001 if (rename_script) {
2002 return NT_STATUS_NO_MEMORY;
2003 }
2004 rename_script = realloc_string_sub2(rename_script,
2005 "%uold",
2006 oldname_lower,
2007 true,
2008 true);
2009 rc = smbrun(rename_script, NULL);
2010
2011 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2012 rename_script, rc));
2013
2014 SAFE_FREE(rename_script);
2015
2016 if (rc == 0) {
2017 smb_nscd_flush_user_cache();
2018 }
2019
2020 if (rc)
2021 return NT_STATUS_UNSUCCESSFUL;
2022
2023 return NT_STATUS_OK;
2024 }
2025
2026 /**********************************************************************
2027 Helper function to determine for update_sam_account whether
2028 we need LDAP modification.
2029 *********************************************************************/
2030
2031 static bool element_is_set_or_changed(const struct samu *sampass,
2032 enum pdb_elements element)
2033 {
2034 return (IS_SAM_SET(sampass, element) ||
2035 IS_SAM_CHANGED(sampass, element));
2036 }
2037
2038 /**********************************************************************
2039 Add struct samu to LDAP.
2040 *********************************************************************/
2041
2042 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2043 {
2044 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2045 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2046 int rc;
2047 LDAPMessage *result = NULL;
2048 LDAPMessage *entry = NULL;
2049 LDAPMod **mods = NULL;
2050 int ldap_op = LDAP_MOD_REPLACE;
2051 uint32 num_result;
2052 const char **attr_list;
2053 char *escape_user = NULL;
2054 const char *username = pdb_get_username(newpwd);
2055 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2056 char *filter = NULL;
2057 char *dn = NULL;
2058 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2059 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2060
2061 if (!ctx) {
2062 return NT_STATUS_NO_MEMORY;
2063 }
2064
2065 if (!username || !*username) {
2066 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2067 status = NT_STATUS_INVALID_PARAMETER;
2068 goto fn_exit;
2069 }
2070
2071 /* free this list after the second search or in case we exit on failure */
2072 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2073
2074 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2075
2076 if (rc != LDAP_SUCCESS) {
2077 goto fn_exit;
2078 }
2079
2080 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2081 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2082 username));
2083 goto fn_exit;
2084 }
2085 ldap_msgfree(result);
2086 result = NULL;
2087
2088 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2089 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2090 sid, &result);
2091 if (rc == LDAP_SUCCESS) {
2092 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2093 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2094 "already in the base, with samba "
2095 "attributes\n", sid_string_dbg(sid)));
2096 goto fn_exit;
2097 }
2098 ldap_msgfree(result);
2099 result = NULL;
2100 }
2101 }
2102
2103 /* does the entry already exist but without a samba attributes?
2104 we need to return the samba attributes here */
2105
2106 escape_user = escape_ldap_string_alloc( username );
2107 filter = talloc_strdup(attr_list, "(uid=%u)");
2108 if (!filter) {
2109 status = NT_STATUS_NO_MEMORY;
2110 goto fn_exit;
2111 }
2112 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2113 if (!filter) {
2114 status = NT_STATUS_NO_MEMORY;
2115 goto fn_exit;
2116 }
2117 SAFE_FREE(escape_user);
2118
2119 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2120 filter, attr_list, &result);
2121 if ( rc != LDAP_SUCCESS ) {
2122 goto fn_exit;
2123 }
2124
2125 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2126
2127 if (num_result > 1) {
2128 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2129 goto fn_exit;
2130 }
2131
2132 /* Check if we need to update an existing entry */
2133 if (num_result == 1) {
2134 char *tmp;
2135
2136 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2137 ldap_op = LDAP_MOD_REPLACE;
2138 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2139 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2140 if (!tmp) {
2141 goto fn_exit;
2142 }
2143 dn = talloc_asprintf(ctx, "%s", tmp);
2144 SAFE_FREE(tmp);
2145 if (!dn) {
2146 status = NT_STATUS_NO_MEMORY;
2147 goto fn_exit;
2148 }
2149
2150 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2151
2152 /* There might be a SID for this account already - say an idmap entry */
2153
2154 filter = talloc_asprintf(ctx,
2155 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2156 get_userattr_key2string(ldap_state->schema_ver,
2157 LDAP_ATTR_USER_SID),
2158 sid_string_talloc(ctx, sid),
2159 LDAP_OBJ_IDMAP_ENTRY,
2160 LDAP_OBJ_SID_ENTRY);
2161 if (!filter) {
2162 status = NT_STATUS_NO_MEMORY;
2163 goto fn_exit;
2164 }
2165
2166 /* free old result before doing a new search */
2167 if (result != NULL) {
2168 ldap_msgfree(result);
2169 result = NULL;
2170 }
2171 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2172 filter, attr_list, &result);
2173
2174 if ( rc != LDAP_SUCCESS ) {
2175 goto fn_exit;
2176 }
2177
2178 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2179
2180 if (num_result > 1) {
2181 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2182 goto fn_exit;
2183 }
2184
2185 /* Check if we need to update an existing entry */
2186 if (num_result == 1) {
2187 char *tmp;
2188
2189 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2190 ldap_op = LDAP_MOD_REPLACE;
2191 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2192 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2193 if (!tmp) {
2194 goto fn_exit;
2195 }
2196 dn = talloc_asprintf(ctx, "%s", tmp);
2197 SAFE_FREE(tmp);
2198 if (!dn) {
2199 status = NT_STATUS_NO_MEMORY;
2200 goto fn_exit;
2201 }
2202 }
2203 }
2204
2205 if (num_result == 0) {
2206 char *escape_username;
2207 /* Check if we need to add an entry */
2208 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2209 ldap_op = LDAP_MOD_ADD;
2210
2211 escape_username = escape_rdn_val_string_alloc(username);
2212 if (!escape_username) {
2213 status = NT_STATUS_NO_MEMORY;
2214 goto fn_exit;
2215 }
2216
2217 if (username[strlen(username)-1] == '$') {
2218 dn = talloc_asprintf(ctx,
2219 "uid=%s,%s",
2220 escape_username,
2221 lp_ldap_machine_suffix());
2222 } else {
2223 dn = talloc_asprintf(ctx,
2224 "uid=%s,%s",
2225 escape_username,
2226 lp_ldap_user_suffix());
2227 }
2228
2229 SAFE_FREE(escape_username);
2230 if (!dn) {
2231 status = NT_STATUS_NO_MEMORY;
2232 goto fn_exit;
2233 }
2234 }
2235
2236 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2237 element_is_set_or_changed)) {
2238 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2239 if (mods != NULL) {
2240 ldap_mods_free(mods, true);
2241 }
2242 goto fn_exit;
2243 }
2244
2245 if (mods == NULL) {
2246 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2247 goto fn_exit;
2248 }
2249 switch ( ldap_state->schema_ver ) {
2250 case SCHEMAVER_SAMBAACCOUNT:
2251 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2252 break;
2253 case SCHEMAVER_SAMBASAMACCOUNT:
2254 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2255 break;
2256 default:
2257 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2258 break;
2259 }
2260
2261 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2262 if (!NT_STATUS_IS_OK(ret)) {
2263 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2264 pdb_get_username(newpwd),dn));
2265 ldap_mods_free(mods, true);
2266 goto fn_exit;
2267 }
2268
2269 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2270 ldap_mods_free(mods, true);
2271
2272 status = NT_STATUS_OK;
2273
2274 fn_exit:
2275
2276 TALLOC_FREE(ctx);
2277 SAFE_FREE(escape_user);
2278 if (result) {
2279 ldap_msgfree(result);
2280 }
2281 return status;
2282 }
2283
2284 /**********************************************************************
2285 *********************************************************************/
2286
2287 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2288 const char *filter,
2289 LDAPMessage ** result)
2290 {
2291 int scope = LDAP_SCOPE_SUBTREE;
2292 int rc;
2293 const char **attr_list;
2294
2295 attr_list = get_attr_list(NULL, groupmap_attr_list);
2296 rc = smbldap_search(ldap_state->smbldap_state,
2297 lp_ldap_group_suffix (), scope,
2298 filter, attr_list, 0, result);
2299 TALLOC_FREE(attr_list);
2300
2301 return rc;
2302 }
2303
2304 /**********************************************************************
2305 *********************************************************************/
2306
2307 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2308 GROUP_MAP *map, LDAPMessage *entry)
2309 {
2310 char *temp = NULL;
2311 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2312
2313 if (ldap_state == NULL || map == NULL || entry == NULL ||
2314 ldap_state->smbldap_state->ldap_struct == NULL) {
2315 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2316 TALLOC_FREE(ctx);
2317 return false;
2318 }
2319
2320 temp = smbldap_talloc_single_attribute(
2321 ldap_state->smbldap_state->ldap_struct,
2322 entry,
2323 get_attr_key2string(groupmap_attr_list,
2324 LDAP_ATTR_GIDNUMBER),
2325 ctx);
2326 if (!temp) {
2327 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2328 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2329 TALLOC_FREE(ctx);
2330 return false;
2331 }
2332 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2333
2334 map->gid = (gid_t)atol(temp);
2335
2336 TALLOC_FREE(temp);
2337 temp = smbldap_talloc_single_attribute(
2338 ldap_state->smbldap_state->ldap_struct,
2339 entry,
2340 get_attr_key2string(groupmap_attr_list,
2341 LDAP_ATTR_GROUP_SID),
2342 ctx);
2343 if (!temp) {
2344 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2345 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2346 TALLOC_FREE(ctx);
2347 return false;
2348 }
2349
2350 if (!string_to_sid(&map->sid, temp)) {
2351 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2352 TALLOC_FREE(ctx);
2353 return false;
2354 }
2355
2356 TALLOC_FREE(temp);
2357 temp = smbldap_talloc_single_attribute(
2358 ldap_state->smbldap_state->ldap_struct,
2359 entry,
2360 get_attr_key2string(groupmap_attr_list,
2361 LDAP_ATTR_GROUP_TYPE),
2362 ctx);
2363 if (!temp) {
2364 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2365 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2366 TALLOC_FREE(ctx);
2367 return false;
2368 }
2369 map->sid_name_use = (enum lsa_SidType)atol(temp);
2370
2371 if ((map->sid_name_use < SID_NAME_USER) ||
2372 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2373 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2374 TALLOC_FREE(ctx);
2375 return false;
2376 }
2377
2378 TALLOC_FREE(temp);
2379 temp = smbldap_talloc_single_attribute(
2380 ldap_state->smbldap_state->ldap_struct,
2381 entry,
2382 get_attr_key2string(groupmap_attr_list,
2383 LDAP_ATTR_DISPLAY_NAME),
2384 ctx);
2385 if (!temp) {
2386 temp = smbldap_talloc_single_attribute(
2387 ldap_state->smbldap_state->ldap_struct,
2388 entry,
2389 get_attr_key2string(groupmap_attr_list,
2390 LDAP_ATTR_CN),
2391 ctx);
2392 if (!temp) {
2393 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2394 for gidNumber(%lu)\n",(unsigned long)map->gid));
2395 TALLOC_FREE(ctx);
2396 return false;
2397 }
2398 }
2399 fstrcpy(map->nt_name, temp);
2400
2401 TALLOC_FREE(temp);
2402 temp = smbldap_talloc_single_attribute(
2403 ldap_state->smbldap_state->ldap_struct,
2404 entry,
2405 get_attr_key2string(groupmap_attr_list,
2406 LDAP_ATTR_DESC),
2407 ctx);
2408 if (!temp) {
2409 temp = talloc_strdup(ctx, "");
2410 if (!temp) {
2411 TALLOC_FREE(ctx);
2412 return false;
2413 }
2414 }
2415 fstrcpy(map->comment, temp);
2416
2417 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2418 store_gid_sid_cache(&map->sid, map->gid);
2419 }
2420
2421 TALLOC_FREE(ctx);
2422 return true;
2423 }
2424
2425 /**********************************************************************
2426 *********************************************************************/
2427
2428 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2429 const char *filter,
2430 GROUP_MAP *map)
2431 {
2432 struct ldapsam_privates *ldap_state =
2433 (struct ldapsam_privates *)methods->private_data;
2434 LDAPMessage *result = NULL;
2435 LDAPMessage *entry = NULL;
2436 int count;
2437
2438 if (ldapsam_search_one_group(ldap_state, filter, &result)
2439 != LDAP_SUCCESS) {
2440 return NT_STATUS_NO_SUCH_GROUP;
2441 }
2442
2443 count = ldap_count_entries(priv2ld(ldap_state), result);
2444
2445 if (count < 1) {
2446 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2447 "%s\n", filter));
2448 ldap_msgfree(result);
2449 return NT_STATUS_NO_SUCH_GROUP;
2450 }
2451
2452 if (count > 1) {
2453 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2454 "count=%d\n", filter, count));
2455 ldap_msgfree(result);
2456 return NT_STATUS_NO_SUCH_GROUP;
2457 }
2458
2459 entry = ldap_first_entry(priv2ld(ldap_state), result);
2460
2461 if (!entry) {
2462 ldap_msgfree(result);
2463 return NT_STATUS_UNSUCCESSFUL;
2464 }
2465
2466 if (!init_group_from_ldap(ldap_state, map, entry)) {
2467 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2468 "group filter %s\n", filter));
2469 ldap_msgfree(result);
2470 return NT_STATUS_NO_SUCH_GROUP;
2471 }
2472
2473 ldap_msgfree(result);
2474 return NT_STATUS_OK;
2475 }
2476
2477 /**********************************************************************
2478 *********************************************************************/
2479
2480 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2481 DOM_SID sid)
2482 {
2483 char *filter = NULL;
2484 NTSTATUS status;
2485 fstring tmp;
2486
2487 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2488 LDAP_OBJ_GROUPMAP,
2489 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2490 sid_to_fstring(tmp, &sid)) < 0) {
2491 return NT_STATUS_NO_MEMORY;
2492 }
2493
2494 status = ldapsam_getgroup(methods, filter, map);
2495 SAFE_FREE(filter);
2496 return status;
2497 }
2498
2499 /**********************************************************************
2500 *********************************************************************/
2501
2502 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2503 gid_t gid)
2504 {
2505 char *filter = NULL;
2506 NTSTATUS status;
2507
2508 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2509 LDAP_OBJ_GROUPMAP,
2510 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2511 (unsigned long)gid) < 0) {
2512 return NT_STATUS_NO_MEMORY;
2513 }
2514
2515 status = ldapsam_getgroup(methods, filter, map);
2516 SAFE_FREE(filter);
2517 return status;
2518 }
2519
2520 /**********************************************************************
2521 *********************************************************************/
2522
2523 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2524 const char *name)
2525 {
2526 char *filter = NULL;
2527 char *escape_name = escape_ldap_string_alloc(name);
2528 NTSTATUS status;
2529
2530 if (!escape_name) {
2531 return NT_STATUS_NO_MEMORY;
2532 }
2533
2534 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2535 LDAP_OBJ_GROUPMAP,
2536 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2537 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2538 escape_name) < 0) {
2539 SAFE_FREE(escape_name);
2540 return NT_STATUS_NO_MEMORY;
2541 }
2542
2543 SAFE_FREE(escape_name);
2544 status = ldapsam_getgroup(methods, filter, map);
2545 SAFE_FREE(filter);
2546 return status;
2547 }
2548
2549 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2550 LDAPMessage *entry,
2551 const DOM_SID *domain_sid,
2552 uint32 *rid)
2553 {
2554 fstring str;
2555 DOM_SID sid;
2556
2557 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2558 str, sizeof(str)-1)) {
2559 DEBUG(10, ("Could not find sambaSID attribute\n"));
2560 return False;
2561 }
2562
2563 if (!string_to_sid(&sid, str)) {
2564 DEBUG(10, ("Could not convert string %s to sid\n", str));
2565 return False;
2566 }
2567
2568 if (sid_compare_domain(&sid, domain_sid) != 0) {
2569 DEBUG(10, ("SID %s is not in expected domain %s\n",
2570 str, sid_string_dbg(domain_sid)));
2571 return False;
2572 }
2573
2574 if (!sid_peek_rid(&sid, rid)) {
2575 DEBUG(10, ("Could not peek into RID\n"));
2576 return False;
2577 }
2578
2579 return True;
2580 }
2581
2582 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2583 TALLOC_CTX *mem_ctx,
2584 const DOM_SID *group,
2585 uint32 **pp_member_rids,
2586 size_t *p_num_members)
2587 {
2588 struct ldapsam_privates *ldap_state =
2589 (struct ldapsam_privates *)methods->private_data;
2590 struct smbldap_state *conn = ldap_state->smbldap_state;
2591 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2592 const char *sid_attrs[] = { "sambaSID", NULL };
2593 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2594 LDAPMessage *result = NULL;
2595 LDAPMessage *entry;
2596 char *filter;
2597 char **values = NULL;
2598 char **memberuid;
2599 char *gidstr;
2600 int rc, count;
2601
2602 *pp_member_rids = NULL;
2603 *p_num_members = 0;
2604
2605 filter = talloc_asprintf(mem_ctx,
2606 "(&(objectClass=%s)"
2607 "(objectClass=%s)"
2608 "(sambaSID=%s))",
2609 LDAP_OBJ_POSIXGROUP,
2610 LDAP_OBJ_GROUPMAP,
2611 sid_string_talloc(mem_ctx, group));
2612 if (filter == NULL) {
2613 ret = NT_STATUS_NO_MEMORY;
2614 goto done;
2615 }
2616
2617 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2618 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2619 &result);
2620
2621 if (rc != LDAP_SUCCESS)
2622 goto done;
2623
2624 talloc_autofree_ldapmsg(mem_ctx, result);
2625
2626 count = ldap_count_entries(conn->ldap_struct, result);
2627
2628 if (count > 1) {
2629 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2630 sid_string_dbg(group)));
2631 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2632 goto done;
2633 }
2634
2635 if (count == 0) {
2636 ret = NT_STATUS_NO_SUCH_GROUP;
2637 goto done;
2638 }
2639
2640 entry = ldap_first_entry(conn->ldap_struct, result);
2641 if (entry == NULL)
2642 goto done;
2643
2644 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2645 if (!gidstr) {
2646 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2647 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2648 goto done;
2649 }
2650
2651 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2652
2653 if (values) {
2654
2655 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2656 if (filter == NULL) {
2657 ret = NT_STATUS_NO_MEMORY;
2658 goto done;
2659 }
2660
2661 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2662 char *escape_memberuid;
2663
2664 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2665 if (escape_memberuid == NULL) {
2666 ret = NT_STATUS_NO_MEMORY;
2667 goto done;
2668 }
2669
2670 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2671 if (filter == NULL) {
2672 SAFE_FREE(escape_memberuid);
2673 ret = NT_STATUS_NO_MEMORY;
2674 goto done;
2675 }
2676
2677 SAFE_FREE(escape_memberuid);
2678 }
2679
2680 filter = talloc_asprintf_append_buffer(filter, "))");
2681 if (filter == NULL) {
2682 ret = NT_STATUS_NO_MEMORY;
2683 goto done;
2684 }
2685
2686 rc = smbldap_search(conn, lp_ldap_suffix(),
2687 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2688 &result);
2689
2690 if (rc != LDAP_SUCCESS)
2691 goto done;
2692
2693 count = ldap_count_entries(conn->ldap_struct, result);
2694 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2695
2696 talloc_autofree_ldapmsg(mem_ctx, result);
2697
2698 for (entry = ldap_first_entry(conn->ldap_struct, result);
2699 entry != NULL;
2700 entry = ldap_next_entry(conn->ldap_struct, entry))
2701 {
2702 char *sidstr;
2703 DOM_SID sid;
2704 uint32 rid;
2705
2706 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2707 entry, "sambaSID",
2708 mem_ctx);
2709 if (!sidstr) {
2710 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2711 "the sambaSID attribute\n"));
2712 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2713 goto done;
2714 }
2715
2716 if (!string_to_sid(&sid, sidstr))
2717 goto done;
2718
2719 if (!sid_check_is_in_our_domain(&sid)) {
2720 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2721 "in our domain\n"));
2722 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2723 goto done;
2724 }
2725
2726 sid_peek_rid(&sid, &rid);
2727
2728 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2729 p_num_members)) {
2730 ret = NT_STATUS_NO_MEMORY;
2731 goto done;
2732 }
2733 }
2734 }
2735
2736 filter = talloc_asprintf(mem_ctx,
2737 "(&(objectClass=%s)"
2738 "(gidNumber=%s))",
2739 LDAP_OBJ_SAMBASAMACCOUNT,
2740 gidstr);
2741
2742 rc = smbldap_search(conn, lp_ldap_suffix(),
2743 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2744 &result);
2745
2746 if (rc != LDAP_SUCCESS)
2747 goto done;
2748
2749 talloc_autofree_ldapmsg(mem_ctx, result);
2750
2751 for (entry = ldap_first_entry(conn->ldap_struct, result);
2752 entry != NULL;
2753 entry = ldap_next_entry(conn->ldap_struct, entry))
2754 {
2755 uint32 rid;
2756
2757 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2758 entry,
2759 get_global_sam_sid(),
2760 &rid)) {
2761 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2762 "the sambaSID attribute\n"));
2763 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2764 goto done;
2765 }
2766
2767 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2768 p_num_members)) {
2769 ret = NT_STATUS_NO_MEMORY;
2770 goto done;
2771 }
2772 }
2773
2774 ret = NT_STATUS_OK;
2775
2776 done:
2777
2778 if (values)
2779 ldap_value_free(values);
2780
2781 return ret;
2782 }
2783
2784 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2785 TALLOC_CTX *mem_ctx,
2786 struct samu *user,
2787 DOM_SID **pp_sids,
2788 gid_t **pp_gids,
2789 size_t *p_num_groups)
2790 {
2791 struct ldapsam_privates *ldap_state =
2792 (struct ldapsam_privates *)methods->private_data;
2793 struct smbldap_state *conn = ldap_state->smbldap_state;
2794 char *filter;
2795 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2796 char *escape_name;
2797 int rc, count;
2798 LDAPMessage *result = NULL;
2799 LDAPMessage *entry;
2800 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2801 size_t num_sids, num_gids;
2802 char *gidstr;
2803 gid_t primary_gid = -1;
2804
2805 *pp_sids = NULL;
2806 num_sids = 0;
2807
2808 if (pdb_get_username(user) == NULL) {
2809 return NT_STATUS_INVALID_PARAMETER;
2810 }
2811
2812 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2813 if (escape_name == NULL)
2814 return NT_STATUS_NO_MEMORY;
2815
2816 /* retrieve the users primary gid */
2817 filter = talloc_asprintf(mem_ctx,
2818 "(&(objectClass=%s)(uid=%s))",
2819 LDAP_OBJ_SAMBASAMACCOUNT,
2820 escape_name);
2821 if (filter == NULL) {
2822 ret = NT_STATUS_NO_MEMORY;
2823 goto done;
2824 }
2825
2826 rc = smbldap_search(conn, lp_ldap_suffix(),
2827 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2828
2829 if (rc != LDAP_SUCCESS)
2830 goto done;
2831
2832 talloc_autofree_ldapmsg(mem_ctx, result);
2833
2834 count = ldap_count_entries(priv2ld(ldap_state), result);
2835
2836 switch (count) {
2837 case 0:
2838 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2839 ret = NT_STATUS_NO_SUCH_USER;
2840 goto done;
2841 case 1:
2842 entry = ldap_first_entry(priv2ld(ldap_state), result);
2843
2844 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2845 if (!gidstr) {
2846 DEBUG (1, ("Unable to find the member's gid!\n"));
2847 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2848 goto done;
2849 }
2850 primary_gid = strtoul(gidstr, NULL, 10);
2851 break;
2852 default:
2853 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2854 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2855 goto done;
2856 }
2857
2858 filter = talloc_asprintf(mem_ctx,
2859 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2860 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2861 if (filter == NULL) {
2862 ret = NT_STATUS_NO_MEMORY;
2863 goto done;
2864 }
2865
2866 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2867 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2868
2869 if (rc != LDAP_SUCCESS)
2870 goto done;
2871
2872 talloc_autofree_ldapmsg(mem_ctx, result);
2873
2874 num_gids = 0;
2875 *pp_gids = NULL;
2876
2877 num_sids = 0;
2878 *pp_sids = NULL;
2879
2880 /* We need to add the primary group as the first gid/sid */
2881
2882 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2883 ret = NT_STATUS_NO_MEMORY;
2884 goto done;
2885 }
2886
2887 /* This sid will be replaced later */
2888
2889 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2890 &num_sids);
2891 if (!NT_STATUS_IS_OK(ret)) {
2892 goto done;
2893 }
2894
2895 for (entry = ldap_first_entry(conn->ldap_struct, result);
2896 entry != NULL;
2897 entry = ldap_next_entry(conn->ldap_struct, entry))
2898 {
2899 fstring str;
2900 DOM_SID sid;
2901 gid_t gid;
2902 char *end;
2903
2904 if (!smbldap_get_single_attribute(conn->ldap_struct,
2905 entry, "sambaSID",
2906 str, sizeof(str)-1))
2907 continue;
2908
2909 if (!string_to_sid(&sid, str))
2910 goto done;
2911
2912 if (!smbldap_get_single_attribute(conn->ldap_struct,
2913 entry, "gidNumber",
2914 str, sizeof(str)-1))
2915 continue;
2916
2917 gid = strtoul(str, &end, 10);
2918
2919 if (PTR_DIFF(end, str) != strlen(str))
2920 goto done;
2921
2922 if (gid == primary_gid) {
2923 sid_copy(&(*pp_sids)[0], &sid);
2924 } else {
2925 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2926 &num_gids)) {
2927 ret = NT_STATUS_NO_MEMORY;
2928 goto done;
2929 }
2930 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2931 &num_sids);
2932 if (!NT_STATUS_IS_OK(ret)) {
2933 goto done;
2934 }
2935 }
2936 }
2937
2938 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2939 DEBUG(3, ("primary group of [%s] not found\n",
2940 pdb_get_username(user)));
2941 goto done;
2942 }
2943
2944 *p_num_groups = num_sids;
2945
2946 ret = NT_STATUS_OK;
2947
2948 done:
2949
2950 SAFE_FREE(escape_name);
2951 return ret;
2952 }
2953
2954 /**********************************************************************
2955 * Augment a posixGroup object with a sambaGroupMapping domgroup
2956 *********************************************************************/
2957
2958 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2959 struct ldapsam_privates *ldap_state,
2960 GROUP_MAP *map)
2961 {
2962 const char *filter, *dn;
2963 LDAPMessage *msg, *entry;
2964 LDAPMod **mods;
2965 int rc;
2966
2967 filter = talloc_asprintf(mem_ctx,
2968 "(&(objectClass=posixGroup)(gidNumber=%u))",
2969 map->gid);
2970 if (filter == NULL) {
2971 return NT_STATUS_NO_MEMORY;
2972 }
2973
2974 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2975 get_attr_list(mem_ctx, groupmap_attr_list),
2976 &msg);
2977 talloc_autofree_ldapmsg(mem_ctx, msg);
2978
2979 if ((rc != LDAP_SUCCESS) ||
2980 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2981 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2982 return NT_STATUS_NO_SUCH_GROUP;
2983 }
2984
2985 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2986 if (dn == NULL) {
2987 return NT_STATUS_NO_MEMORY;
2988 }
2989
2990 mods = NULL;
2991 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2992 "sambaGroupMapping");
2993 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2994 sid_string_talloc(mem_ctx, &map->sid));
2995 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2996 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2997 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2998 map->nt_name);
2999 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3000 map->comment);
3001 talloc_autofree_ldapmod(mem_ctx, mods);
3002
3003 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3004 if (rc != LDAP_SUCCESS) {
3005 return NT_STATUS_ACCESS_DENIED;
3006 }
3007
3008 return NT_STATUS_OK;
3009 }
3010
3011 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3012 GROUP_MAP *map)
3013 {
3014 struct ldapsam_privates *ldap_state =
3015 (struct ldapsam_privates *)methods->private_data;
3016 LDAPMessage *msg = NULL;
3017 LDAPMod **mods = NULL;
3018 const char *attrs[] = { NULL };
3019 char *filter;
3020
3021 char *dn;
3022 TALLOC_CTX *mem_ctx;
3023 NTSTATUS result;
3024
3025 DOM_SID sid;
3026
3027 int rc;
3028
3029 mem_ctx = talloc_new(NULL);
3030 if (mem_ctx == NULL) {
3031 DEBUG(0, ("talloc_new failed\n"));
3032 return NT_STATUS_NO_MEMORY;
3033 }
3034
3035 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3036 sid_string_talloc(mem_ctx, &map->sid));
3037 if (filter == NULL) {
3038 result = NT_STATUS_NO_MEMORY;
3039 goto done;
3040 }
3041
3042 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3043 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3044 talloc_autofree_ldapmsg(mem_ctx, msg);
3045
3046 if ((rc == LDAP_SUCCESS) &&
3047 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3048
3049 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3050 "group mapping entry\n", sid_string_dbg(&map->sid)));
3051 result = NT_STATUS_GROUP_EXISTS;
3052 goto done;
3053 }
3054
3055 switch (map->sid_name_use) {
3056
3057 case SID_NAME_DOM_GRP:
3058 /* To map a domain group we need to have a posix group
3059 to attach to. */
3060 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3061 goto done;
3062 break;
3063
3064 case SID_NAME_ALIAS:
3065 if (!sid_check_is_in_our_domain(&map->sid)
3066 && !sid_check_is_in_builtin(&map->sid) )
3067 {
3068 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3069 sid_string_dbg(&map->sid)));
3070 result = NT_STATUS_INVALID_PARAMETER;
3071 goto done;
3072 }
3073 break;
3074
3075 default:
3076 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3077 sid_type_lookup(map->sid_name_use)));
3078 result = NT_STATUS_INVALID_PARAMETER;
3079 goto done;
3080 }
3081
3082 /* Domain groups have been mapped in a separate routine, we have to
3083 * create an alias now */
3084
3085 if (map->gid == -1) {
3086 DEBUG(10, ("Refusing to map gid==-1\n"));
3087 result = NT_STATUS_INVALID_PARAMETER;
3088 goto done;
3089 }
3090
3091 if (pdb_gid_to_sid(map->gid, &sid)) {
3092 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3093 "add\n", map->gid, sid_string_dbg(&sid)));
3094 result = NT_STATUS_GROUP_EXISTS;
3095 goto done;
3096 }
3097
3098 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3099 * the best we can get out of LDAP. */
3100
3101 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3102 sid_string_talloc(mem_ctx, &map->sid),
3103 lp_ldap_group_suffix());
3104 if (dn == NULL) {
3105 result = NT_STATUS_NO_MEMORY;
3106 goto done;
3107 }
3108
3109 mods = NULL;
3110
3111 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3112 "sambaSidEntry");
3113 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3114 "sambaGroupMapping");
3115
3116 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3117 sid_string_talloc(mem_ctx, &map->sid));
3118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3119 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3121 map->nt_name);
3122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3123 map->comment);
3124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3125 talloc_asprintf(mem_ctx, "%u", map->gid));
3126 talloc_autofree_ldapmod(mem_ctx, mods);
3127
3128 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3129
3130 result = (rc == LDAP_SUCCESS) ?
3131 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3132
3133 done:
3134 TALLOC_FREE(mem_ctx);
3135 return result;
3136 }
3137
3138 /**********************************************************************
3139 * Update a group mapping entry. We're quite strict about what can be changed:
3140 * Only the description and displayname may be changed. It simply does not
3141 * make any sense to change the SID, gid or the type in a mapping.
3142 *********************************************************************/
3143
3144 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3145 GROUP_MAP *map)
3146 {
3147 struct ldapsam_privates *ldap_state =
3148 (struct ldapsam_privates *)methods->private_data;
3149 int rc;
3150 const char *filter, *dn;
3151 LDAPMessage *msg = NULL;
3152 LDAPMessage *entry = NULL;
3153 LDAPMod **mods = NULL;
3154 TALLOC_CTX *mem_ctx;
3155 NTSTATUS result;
3156
3157 mem_ctx = talloc_new(NULL);
3158 if (mem_ctx == NULL) {
3159 DEBUG(0, ("talloc_new failed\n"));
3160 return NT_STATUS_NO_MEMORY;
3161 }
3162
3163 /* Make 100% sure that sid, gid and type are not changed by looking up
3164 * exactly the values we're given in LDAP. */
3165
3166 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3167 "(sambaSid=%s)(gidNumber=%u)"
3168 "(sambaGroupType=%d))",
3169 LDAP_OBJ_GROUPMAP,
3170 sid_string_talloc(mem_ctx, &map->sid),
3171 map->gid, map->sid_name_use);
3172 if (filter == NULL) {
3173 result = NT_STATUS_NO_MEMORY;
3174 goto done;
3175 }
3176
3177 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3178 get_attr_list(mem_ctx, groupmap_attr_list),
3179 &msg);
3180 talloc_autofree_ldapmsg(mem_ctx, msg);
3181
3182 if ((rc != LDAP_SUCCESS) ||
3183 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3184 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3185 result = NT_STATUS_NO_SUCH_GROUP;
3186 goto done;
3187 }
3188
3189 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3190
3191 if (dn == NULL) {
3192 result = NT_STATUS_NO_MEMORY;
3193 goto done;
3194 }
3195
3196 mods = NULL;
3197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3198 map->nt_name);
3199 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3200 map->comment);
3201 talloc_autofree_ldapmod(mem_ctx, mods);
3202
3203 if (mods == NULL) {
3204 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3205 "nothing to do\n"));
3206 result = NT_STATUS_OK;
3207 goto done;
3208 }
3209
3210 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3211
3212 if (rc != LDAP_SUCCESS) {
3213 result = NT_STATUS_ACCESS_DENIED;
3214 goto done;
3215 }
3216
3217 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3218 "group %lu in LDAP\n", (unsigned long)map->gid));
3219
3220 result = NT_STATUS_OK;
3221
3222 done:
3223 TALLOC_FREE(mem_ctx);
3224 return result;
3225 }
3226
3227 /**********************************************************************
3228 *********************************************************************/
3229
3230 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3231 DOM_SID sid)
3232 {
3233 struct ldapsam_privates *priv =
3234 (struct ldapsam_privates *)methods->private_data;
3235 LDAPMessage *msg, *entry;
3236 int rc;
3237 NTSTATUS result;
3238 TALLOC_CTX *mem_ctx;
3239 char *filter;
3240
3241 mem_ctx = talloc_new(NULL);
3242 if (mem_ctx == NULL) {
3243 DEBUG(0, ("talloc_new failed\n"));
3244 return NT_STATUS_NO_MEMORY;
3245 }
3246
3247 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3248 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3249 sid_string_talloc(mem_ctx, &sid));
3250 if (filter == NULL) {
3251 result = NT_STATUS_NO_MEMORY;
3252 goto done;
3253 }
3254 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3255 get_attr_list(mem_ctx, groupmap_attr_list),
3256 &msg);
3257 talloc_autofree_ldapmsg(mem_ctx, msg);
3258
3259 if ((rc != LDAP_SUCCESS) ||
3260 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3261 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3262 result = NT_STATUS_NO_SUCH_GROUP;
3263 goto done;
3264 }
3265
3266 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3267 get_attr_list(mem_ctx,
3268 groupmap_attr_list_to_delete));
3269
3270 if ((rc == LDAP_NAMING_VIOLATION) ||
3271 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3272 const char *attrs[] = { "sambaGroupType", "description",
3273 "displayName", "sambaSIDList",
3274 NULL };
3275
3276 /* Second try. Don't delete the sambaSID attribute, this is
3277 for "old" entries that are tacked on a winbind
3278 sambaIdmapEntry. */
3279
3280 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3281 LDAP_OBJ_GROUPMAP, attrs);
3282 }
3283
3284 if ((rc == LDAP_NAMING_VIOLATION) ||
3285 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3286 const char *attrs[] = { "sambaGroupType", "description",
3287 "displayName", "sambaSIDList",
3288 "gidNumber", NULL };
3289
3290 /* Third try. This is a post-3.0.21 alias (containing only
3291 * sambaSidEntry and sambaGroupMapping classes), we also have
3292 * to delete the gidNumber attribute, only the sambaSidEntry
3293 * remains */
3294
3295 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3296 LDAP_OBJ_GROUPMAP, attrs);
3297 }
3298
3299 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3300
3301 done:
3302 TALLOC_FREE(mem_ctx);
3303 return result;
3304 }
3305
3306 /**********************************************************************
3307 *********************************************************************/
3308
3309 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3310 bool update)
3311 {
3312 struct ldapsam_privates *ldap_state =
3313 (struct ldapsam_privates *)my_methods->private_data;
3314 char *filter = NULL;
3315 int rc;
3316 const char **attr_list;
3317
3318 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3319 if (!filter) {
3320 return NT_STATUS_NO_MEMORY;
3321 }
3322 attr_list = get_attr_list( NULL, groupmap_attr_list );
3323 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3324 LDAP_SCOPE_SUBTREE, filter,
3325 attr_list, 0, &ldap_state->result);
3326 TALLOC_FREE(attr_list);
3327
3328 if (rc != LDAP_SUCCESS) {
3329 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3330 ldap_err2string(rc)));
3331 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3332 lp_ldap_group_suffix(), filter));
3333 ldap_msgfree(ldap_state->result);
3334 ldap_state->result = NULL;
3335 TALLOC_FREE(filter);
3336 return NT_STATUS_UNSUCCESSFUL;
3337 }
3338
3339 TALLOC_FREE(filter);
3340
3341 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3342 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3343 ldap_state->result)));
3344
3345 ldap_state->entry =
3346 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3347 ldap_state->result);
3348 ldap_state->index = 0;
3349
3350 return NT_STATUS_OK;
3351 }
3352
3353 /**********************************************************************
3354 *********************************************************************/
3355
3356 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3357 {
3358 ldapsam_endsampwent(my_methods);
3359 }
3360
3361 /**********************************************************************
3362 *********************************************************************/
3363
3364 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3365 GROUP_MAP *map)
3366 {
3367 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3368 struct ldapsam_privates *ldap_state =
3369 (struct ldapsam_privates *)my_methods->private_data;
3370 bool bret = False;
3371
3372 while (!bret) {
3373 if (!ldap_state->entry)
3374 return ret;
3375
3376 ldap_state->index++;
3377 bret = init_group_from_ldap(ldap_state, map,
3378 ldap_state->entry);
3379
3380 ldap_state->entry =
3381 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3382 ldap_state->entry);
3383 }
3384
3385 return NT_STATUS_OK;
3386 }
3387
3388 /**********************************************************************
3389 *********************************************************************/
3390
3391 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3392 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3393 GROUP_MAP **pp_rmap,
3394 size_t *p_num_entries,
3395 bool unix_only)
3396 {
3397 GROUP_MAP map;
3398 size_t entries = 0;
3399
3400 *p_num_entries = 0;
3401 *pp_rmap = NULL;
3402
3403 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3404 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3405 "passdb\n"));
3406 return NT_STATUS_ACCESS_DENIED;
3407 }
3408
3409 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3410 if (sid_name_use != SID_NAME_UNKNOWN &&
3411 sid_name_use != map.sid_name_use) {
3412 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3413 "not of the requested type\n", map.nt_name));
3414 continue;
3415 }
3416 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3417 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3418 "non mapped\n", map.nt_name));
3419 continue;
3420 }
3421
3422 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3423 if (!(*pp_rmap)) {
3424 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3425 "enlarge group map!\n"));
3426 return NT_STATUS_UNSUCCESSFUL;
3427 }
3428
3429 (*pp_rmap)[entries] = map;
3430
3431 entries += 1;
3432
3433 }
3434 ldapsam_endsamgrent(methods);
3435
3436 *p_num_entries = entries;
3437
3438 return NT_STATUS_OK;
3439 }
3440
3441 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3442 const DOM_SID *alias,
3443 const DOM_SID *member,
3444 int modop)
3445 {
3446 struct ldapsam_privates *ldap_state =
3447 (struct ldapsam_privates *)methods->private_data;
3448 char *dn = NULL;
3449 LDAPMessage *result = NULL;
3450 LDAPMessage *entry = NULL;
3451 int count;
3452 LDAPMod **mods = NULL;
3453 int rc;
3454 enum lsa_SidType type = SID_NAME_USE_NONE;
3455 fstring tmp;
3456
3457 char *filter = NULL;
3458
3459 if (sid_check_is_in_builtin(alias)) {
3460 type = SID_NAME_ALIAS;
3461 }
3462
3463 if (sid_check_is_in_our_domain(alias)) {
3464 type = SID_NAME_ALIAS;
3465 }
3466
3467 if (type == SID_NAME_USE_NONE) {
3468 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3469 sid_string_dbg(alias)));
3470 return NT_STATUS_NO_SUCH_ALIAS;
3471 }
3472
3473 if (asprintf(&filter,
3474 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3475 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3476 type) < 0) {
3477 return NT_STATUS_NO_MEMORY;
3478 }
3479
3480 if (ldapsam_search_one_group(ldap_state, filter,
3481 &result) != LDAP_SUCCESS) {
3482 SAFE_FREE(filter);
3483 return NT_STATUS_NO_SUCH_ALIAS;
3484 }
3485
3486 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3487 result);
3488
3489 if (count < 1) {
3490 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3491 ldap_msgfree(result);
3492 SAFE_FREE(filter);
3493 return NT_STATUS_NO_SUCH_ALIAS;
3494 }
3495
3496 if (count > 1) {
3497 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3498 "filter %s: count=%d\n", filter, count));
3499 ldap_msgfree(result);
3500 SAFE_FREE(filter);
3501 return NT_STATUS_NO_SUCH_ALIAS;
3502 }
3503
3504 SAFE_FREE(filter);
3505
3506 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3507 result);
3508
3509 if (!entry) {
3510 ldap_msgfree(result);
3511 return NT_STATUS_UNSUCCESSFUL;
3512 }
3513
3514 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3515 if (!dn) {
3516 ldap_msgfree(result);
3517 return NT_STATUS_UNSUCCESSFUL;
3518 }
3519
3520 smbldap_set_mod(&mods, modop,
3521 get_attr_key2string(groupmap_attr_list,
3522 LDAP_ATTR_SID_LIST),
3523 sid_to_fstring(tmp, member));
3524
3525 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3526
3527 ldap_mods_free(mods, True);
3528 ldap_msgfree(result);
3529 SAFE_FREE(dn);
3530
3531 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3532 return NT_STATUS_MEMBER_IN_ALIAS;
3533 }
3534
3535 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3536 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3537 }
3538
3539 if (rc != LDAP_SUCCESS) {
3540 return NT_STATUS_UNSUCCESSFUL;
3541 }
3542
3543 return NT_STATUS_OK;
3544 }
3545
3546 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3547 const DOM_SID *alias,
3548 const DOM_SID *member)
3549 {
3550 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3551 }
3552
3553 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3554 const DOM_SID *alias,
3555 const DOM_SID *member)
3556 {
3557 return ldapsam_modify_aliasmem(methods, alias, member,
3558 LDAP_MOD_DELETE);
3559 }
3560
3561 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3562 const DOM_SID *alias,
3563 DOM_SID **pp_members,
3564 size_t *p_num_members)
3565 {
3566 struct ldapsam_privates *ldap_state =
3567 (struct ldapsam_privates *)methods->private_data;
3568 LDAPMessage *result = NULL;
3569 LDAPMessage *entry = NULL;
3570 int count;
3571 char **values = NULL;
3572 int i;
3573 char *filter = NULL;
3574 size_t num_members = 0;
3575 enum lsa_SidType type = SID_NAME_USE_NONE;
3576 fstring tmp;
3577
3578 *pp_members = NULL;
3579 *p_num_members = 0;
3580
3581 if (sid_check_is_in_builtin(alias)) {
3582 type = SID_NAME_ALIAS;
3583 }
3584
3585 if (sid_check_is_in_our_domain(alias)) {
3586 type = SID_NAME_ALIAS;
3587 }
3588
3589 if (type == SID_NAME_USE_NONE) {
3590 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3591 sid_string_dbg(alias)));
3592 return NT_STATUS_NO_SUCH_ALIAS;
3593 }
3594
3595 if (asprintf(&filter,
3596 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3597 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3598 type) < 0) {
3599 return NT_STATUS_NO_MEMORY;
3600 }
3601
3602 if (ldapsam_search_one_group(ldap_state, filter,
3603 &result) != LDAP_SUCCESS) {
3604 SAFE_FREE(filter);
3605 return NT_STATUS_NO_SUCH_ALIAS;
3606 }
3607
3608 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3609 result);
3610
3611 if (count < 1) {
3612 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3613 ldap_msgfree(result);
3614 SAFE_FREE(filter);
3615 return NT_STATUS_NO_SUCH_ALIAS;
3616 }
3617
3618 if (count > 1) {
3619 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3620 "filter %s: count=%d\n", filter, count));
3621 ldap_msgfree(result);
3622 SAFE_FREE(filter);
3623 return NT_STATUS_NO_SUCH_ALIAS;
3624 }
3625
3626 SAFE_FREE(filter);
3627
3628 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3629 result);
3630
3631 if (!entry) {
3632 ldap_msgfree(result);
3633 return NT_STATUS_UNSUCCESSFUL;
3634 }
3635
3636 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3637 entry,
3638 get_attr_key2string(groupmap_attr_list,
3639 LDAP_ATTR_SID_LIST));
3640
3641 if (values == NULL) {
3642 ldap_msgfree(result);
3643 return NT_STATUS_OK;
3644 }
3645
3646 count = ldap_count_values(values);
3647
3648 for (i=0; i<count; i++) {
3649 DOM_SID member;
3650 NTSTATUS status;
3651
3652 if (!string_to_sid(&member, values[i]))
3653 continue;
3654
3655 status = add_sid_to_array(NULL, &member, pp_members,
3656 &num_members);
3657 if (!NT_STATUS_IS_OK(status)) {
3658 ldap_value_free(values);
3659 ldap_msgfree(result);
3660 return status;
3661 }
3662 }
3663
3664 *p_num_members = num_members;
3665 ldap_value_free(values);
3666 ldap_msgfree(result);
3667
3668 return NT_STATUS_OK;
3669 }
3670
3671 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3672 TALLOC_CTX *mem_ctx,
3673 const DOM_SID *domain_sid,
3674 const DOM_SID *members,
3675 size_t num_members,
3676 uint32 **pp_alias_rids,
3677 size_t *p_num_alias_rids)
3678 {
3679 struct ldapsam_privates *ldap_state =
3680 (struct ldapsam_privates *)methods->private_data;
3681 LDAP *ldap_struct;
3682
3683 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3684
3685 LDAPMessage *result = NULL;
3686 LDAPMessage *entry = NULL;
3687 int i;
3688 int rc;
3689 char *filter;
3690 enum lsa_SidType type = SID_NAME_USE_NONE;
3691
3692 if (sid_check_is_builtin(domain_sid)) {
3693 type = SID_NAME_ALIAS;
3694 }
3695
3696 if (sid_check_is_domain(domain_sid)) {
3697 type = SID_NAME_ALIAS;
3698 }
3699
3700 if (type == SID_NAME_USE_NONE) {
3701 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3702 sid_string_dbg(domain_sid)));
3703 return NT_STATUS_UNSUCCESSFUL;
3704 }
3705
3706 filter = talloc_asprintf(mem_ctx,
3707 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3708 LDAP_OBJ_GROUPMAP, type);
3709
3710 for (i=0; i<num_members; i++)
3711 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3712 filter,
3713 sid_string_talloc(mem_ctx,
3714 &members[i]));
3715
3716 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3717
3718 if (filter == NULL) {
3719 return NT_STATUS_NO_MEMORY;
3720 }
3721
3722 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3723 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3724
3725 if (rc != LDAP_SUCCESS)
3726 return NT_STATUS_UNSUCCESSFUL;
3727
3728 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3729
3730 for (entry = ldap_first_entry(ldap_struct, result);
3731 entry != NULL;
3732 entry = ldap_next_entry(ldap_struct, entry))
3733 {
3734 fstring sid_str;
3735 DOM_SID sid;
3736 uint32 rid;
3737
3738 if (!smbldap_get_single_attribute(ldap_struct, entry,
3739 LDAP_ATTRIBUTE_SID,
3740 sid_str,
3741 sizeof(sid_str)-1))
3742 continue;
3743
3744 if (!string_to_sid(&sid, sid_str))
3745 continue;
3746
3747 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3748 continue;
3749
3750 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3751 p_num_alias_rids)) {
3752 ldap_msgfree(result);
3753 return NT_STATUS_NO_MEMORY;
3754 }
3755 }
3756
3757 ldap_msgfree(result);
3758 return NT_STATUS_OK;
3759 }
3760
3761 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3762 int policy_index,
3763 uint32 value)
3764 {
3765 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3766 int rc;
3767 LDAPMod **mods = NULL;
3768 fstring value_string;
3769 const char *policy_attr = NULL;
3770
3771 struct ldapsam_privates *ldap_state =
3772 (struct ldapsam_privates *)methods->private_data;
3773
3774 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3775
3776 if (!ldap_state->domain_dn) {
3777 return NT_STATUS_INVALID_PARAMETER;
3778 }
3779
3780 policy_attr = get_account_policy_attr(policy_index);
3781 if (policy_attr == NULL) {
3782 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3783 "policy\n"));
3784 return ntstatus;
3785 }
3786
3787 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3788
3789 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3790
3791 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3792 mods);
3793
3794 ldap_mods_free(mods, True);
3795
3796 if (rc != LDAP_SUCCESS) {
3797 return ntstatus;
3798 }
3799
3800 if (!cache_account_policy_set(policy_index, value)) {
3801 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3802 "update local tdb cache\n"));
3803 return ntstatus;
3804 }
3805
3806 return NT_STATUS_OK;
3807 }
3808
3809 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3810 int policy_index, uint32 value)
3811 {
3812 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3813 value);
3814 }
3815
3816 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3817 int policy_index,
3818 uint32 *value)
3819 {
3820 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3821 LDAPMessage *result = NULL;
3822 LDAPMessage *entry = NULL;
3823 int count;
3824 int rc;
3825 char **vals = NULL;
3826 const char *policy_attr = NULL;
3827
3828 struct ldapsam_privates *ldap_state =
3829 (struct ldapsam_privates *)methods->private_data;
3830
3831 const char *attrs[2];
3832
3833 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3834
3835 if (!ldap_state->domain_dn) {
3836 return NT_STATUS_INVALID_PARAMETER;
3837 }
3838
3839 policy_attr = get_account_policy_attr(policy_index);
3840 if (!policy_attr) {
3841 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3842 "policy index: %d\n", policy_index));
3843 return ntstatus;
3844 }
3845
3846 attrs[0] = policy_attr;
3847 attrs[1] = NULL;
3848
3849 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3850 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3851 &result);
3852
3853 if (rc != LDAP_SUCCESS) {
3854 return ntstatus;
3855 }
3856
3857 count = ldap_count_entries(priv2ld(ldap_state), result);
3858 if (count < 1) {
3859 goto out;
3860 }
3861
3862 entry = ldap_first_entry(priv2ld(ldap_state), result);
3863 if (entry == NULL) {
3864 goto out;
3865 }
3866
3867 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3868 if (vals == NULL) {
3869 goto out;
3870 }
3871
3872 *value = (uint32)atol(vals[0]);
3873
3874 ntstatus = NT_STATUS_OK;
3875
3876 out:
3877 if (vals)
3878 ldap_value_free(vals);
3879 ldap_msgfree(result);
3880
3881 return ntstatus;
3882 }
3883
3884 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3885
3886 - if user hasn't decided to use account policies inside LDAP just reuse the
3887 old tdb values
3888
3889 - if there is a valid cache entry, return that
3890 - if there is an LDAP entry, update cache and return
3891 - otherwise set to default, update cache and return
3892
3893 Guenther
3894 */
3895 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3896 int policy_index, uint32 *value)
3897 {
3898 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3899
3900 if (cache_account_policy_get(policy_index, value)) {
3901 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3902 "cache\n"));
3903 return NT_STATUS_OK;
3904 }
3905
3906 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3907 value);
3908 if (NT_STATUS_IS_OK(ntstatus)) {
3909 goto update_cache;
3910 }
3911
3912 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3913 "ldap\n"));
3914
3915 #if 0
3916 /* should we automagically migrate old tdb value here ? */
3917 if (account_policy_get(policy_index, value))
3918 goto update_ldap;
3919
3920 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3921 "default\n", policy_index));
3922 #endif
3923
3924 if (!account_policy_get_default(policy_index, value)) {
3925 return ntstatus;
3926 }
3927
3928 /* update_ldap: */
3929
3930 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3931 if (!NT_STATUS_IS_OK(ntstatus)) {
3932 return ntstatus;
3933 }
3934
3935 update_cache:
3936
3937 if (!cache_account_policy_set(policy_index, *value)) {
3938 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3939 "tdb as a cache\n"));
3940 return NT_STATUS_UNSUCCESSFUL;
3941 }
3942
3943 return NT_STATUS_OK;
3944 }
3945
3946 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3947 const DOM_SID *domain_sid,
3948 int num_rids,
3949 uint32 *rids,
3950 const char **names,
3951 enum lsa_SidType *attrs)
3952 {
3953 struct ldapsam_privates *ldap_state =
3954 (struct ldapsam_privates *)methods->private_data;
3955 LDAPMessage *msg = NULL;
3956 LDAPMessage *entry;
3957 char *allsids = NULL;
3958 int i, rc, num_mapped;
3959 NTSTATUS result = NT_STATUS_NO_MEMORY;
3960 TALLOC_CTX *mem_ctx;
3961 LDAP *ld;
3962 bool is_builtin;
3963
3964 mem_ctx = talloc_new(NULL);
3965 if (mem_ctx == NULL) {
3966 DEBUG(0, ("talloc_new failed\n"));
3967 goto done;
3968 }
3969
3970 if (!sid_check_is_builtin(domain_sid) &&
3971 !sid_check_is_domain(domain_sid)) {
3972 result = NT_STATUS_INVALID_PARAMETER;
3973 goto done;
3974 }
3975
3976 for (i=0; i<num_rids; i++)
3977 attrs[i] = SID_NAME_UNKNOWN;
3978
3979 allsids = talloc_strdup(mem_ctx, "");
3980 if (allsids == NULL) {
3981 goto done;
3982 }
3983
3984 for (i=0; i<num_rids; i++) {
3985 DOM_SID sid;
3986 sid_compose(&sid, domain_sid, rids[i]);
3987 allsids = talloc_asprintf_append_buffer(
3988 allsids, "(sambaSid=%s)",
3989 sid_string_talloc(mem_ctx, &sid));
3990 if (allsids == NULL) {
3991 goto done;
3992 }
3993 }
3994
3995 /* First look for users */
3996
3997 {
3998 char *filter;
3999 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4000
4001 filter = talloc_asprintf(
4002 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4003 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4004
4005 if (filter == NULL) {
4006 goto done;
4007 }
4008
4009 rc = smbldap_search(ldap_state->smbldap_state,
4010 lp_ldap_user_suffix(),
4011 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4012 &msg);
4013 talloc_autofree_ldapmsg(mem_ctx, msg);
4014 }
4015
4016 if (rc != LDAP_SUCCESS)
4017 goto done;
4018
4019 ld = ldap_state->smbldap_state->ldap_struct;
4020 num_mapped = 0;
4021
4022 for (entry = ldap_first_entry(ld, msg);
4023 entry != NULL;
4024 entry = ldap_next_entry(ld, entry)) {
4025 uint32 rid;
4026 int rid_index;
4027 const char *name;
4028
4029 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4030 &rid)) {
4031 DEBUG(2, ("Could not find sid from ldap entry\n"));
4032 continue;
4033 }
4034
4035 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4036 names);
4037 if (name == NULL) {
4038 DEBUG(2, ("Could not retrieve uid attribute\n"));
4039 continue;
4040 }
4041
4042 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4043 if (rid == rids[rid_index])
4044 break;
4045 }
4046
4047 if (rid_index == num_rids) {
4048 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4049 continue;
4050 }
4051
4052 attrs[rid_index] = SID_NAME_USER;
4053 names[rid_index] = name;
4054 num_mapped += 1;
4055 }
4056
4057 if (num_mapped == num_rids) {
4058 /* No need to look for groups anymore -- we're done */
4059 result = NT_STATUS_OK;
4060 goto done;
4061 }
4062
4063 /* Same game for groups */
4064
4065 {
4066 char *filter;
4067 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4068 "sambaGroupType", NULL };
4069
4070 filter = talloc_asprintf(
4071 mem_ctx, "(&(objectClass=%s)(|%s))",
4072 LDAP_OBJ_GROUPMAP, allsids);
4073 if (filter == NULL) {
4074 goto done;
4075 }
4076
4077 rc = smbldap_search(ldap_state->smbldap_state,
4078 lp_ldap_group_suffix(),
4079 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4080 &msg);
4081 talloc_autofree_ldapmsg(mem_ctx, msg);
4082 }
4083
4084 if (rc != LDAP_SUCCESS)
4085 goto done;
4086
4087 /* ldap_struct might have changed due to a reconnect */
4088
4089 ld = ldap_state->smbldap_state->ldap_struct;
4090
4091 /* For consistency checks, we already checked we're only domain or builtin */
4092
4093 is_builtin = sid_check_is_builtin(domain_sid);
4094
4095 for (entry = ldap_first_entry(ld, msg);
4096 entry != NULL;
4097 entry = ldap_next_entry(ld, entry))
4098 {
4099 uint32 rid;
4100 int rid_index;
4101 const char *attr;
4102 enum lsa_SidType type;
4103 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4104
4105 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4106 mem_ctx);
4107 if (attr == NULL) {
4108 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4109 dn));
4110 continue;
4111 }
4112
4113 type = (enum lsa_SidType)atol(attr);
4114
4115 /* Consistency checks */
4116 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4117 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4118 (type != SID_NAME_DOM_GRP)))) {
4119 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4120 }
4121
4122 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4123 &rid)) {
4124 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4125 continue;
4126 }
4127
4128 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4129
4130 if (attr == NULL) {
4131 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4132 dn));
4133 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4134 }
4135
4136 if (attr == NULL) {
4137 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4138 dn));
4139 continue;
4140 }
4141
4142 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4143 if (rid == rids[rid_index])
4144 break;
4145 }
4146
4147 if (rid_index == num_rids) {
4148 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4149 continue;
4150 }
4151
4152 attrs[rid_index] = type;
4153 names[rid_index] = attr;
4154 num_mapped += 1;
4155 }
4156
4157 result = NT_STATUS_NONE_MAPPED;
4158
4159 if (num_mapped > 0)
4160 result = (num_mapped == num_rids) ?
4161 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4162 done:
4163 TALLOC_FREE(mem_ctx);
4164 return result;
4165 }
4166
4167 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4168 {
4169 char *filter = NULL;
4170 char *escaped = NULL;
4171 char *result = NULL;
4172
4173 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
4174 "(uid=%u)");
4175 if (filter == NULL) goto done;
4176
4177 escaped = escape_ldap_string_alloc(username);
4178 if (escaped == NULL) goto done;
4179
4180 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4181
4182 done:
4183 SAFE_FREE(filter);
4184 SAFE_FREE(escaped);
4185
4186 return result;
4187 }
4188
4189 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4190 {
4191 int i, num = 0;
4192 va_list ap;
4193 const char **result;
4194
4195 va_start(ap, mem_ctx);
4196 while (va_arg(ap, const char *) != NULL)
4197 num += 1;
4198 va_end(ap);
4199
4200 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4201 return NULL;
4202 }
4203
4204 va_start(ap, mem_ctx);
4205 for (i=0; i<num; i++) {
4206 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4207 if (result[i] == NULL) {
4208 talloc_free(result);
4209 return NULL;
4210 }
4211 }
4212 va_end(ap);
4213
4214 result[num] = NULL;
4215 return result;
4216 }
4217
4218 struct ldap_search_state {
4219 struct smbldap_state *connection;
4220
4221 uint32 acct_flags;
4222 uint16 group_type;
4223
4224 const char *base;
4225 int scope;
4226 const char *filter;
4227 const char **attrs;
4228 int attrsonly;
4229 void *pagedresults_cookie;
4230
4231 LDAPMessage *entries, *current_entry;
4232 bool (*ldap2displayentry)(struct ldap_search_state *state,
4233 TALLOC_CTX *mem_ctx,
4234 LDAP *ld, LDAPMessage *entry,
4235 struct samr_displayentry *result);
4236 };
4237
4238 static bool ldapsam_search_firstpage(struct pdb_search *search)
4239 {
4240 struct ldap_search_state *state =
4241 (struct ldap_search_state *)search->private_data;
4242 LDAP *ld;
4243 int rc = LDAP_OPERATIONS_ERROR;
4244
4245 state->entries = NULL;
4246
4247 if (state->connection->paged_results) {
4248 rc = smbldap_search_paged(state->connection, state->base,
4249 state->scope, state->filter,
4250 state->attrs, state->attrsonly,
4251 lp_ldap_page_size(), &state->entries,
4252 &state->pagedresults_cookie);
4253 }
4254
4255 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4256
4257 if (state->entries != NULL) {
4258 /* Left over from unsuccessful paged attempt */
4259 ldap_msgfree(state->entries);
4260 state->entries = NULL;
4261 }
4262
4263 rc = smbldap_search(state->connection, state->base,
4264 state->scope, state->filter, state->attrs,
4265 state->attrsonly, &state->entries);
4266
4267 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4268 return False;
4269
4270 /* Ok, the server was lying. It told us it could do paged
4271 * searches when it could not. */
4272 state->connection->paged_results = False;
4273 }
4274
4275 ld = state->connection->ldap_struct;
4276 if ( ld == NULL) {
4277 DEBUG(5, ("Don't have an LDAP connection right after a "
4278 "search\n"));
4279 return False;
4280 }
4281 state->current_entry = ldap_first_entry(ld, state->entries);
4282
4283 if (state->current_entry == NULL) {
4284 ldap_msgfree(state->entries);
4285 state->entries = NULL;
4286 }
4287
4288 return True;
4289 }
4290
4291 static bool ldapsam_search_nextpage(struct pdb_search *search)
4292 {
4293 struct ldap_search_state *state =
4294 (struct ldap_search_state *)search->private_data;
4295 int rc;
4296
4297 if (!state->connection->paged_results) {
4298 /* There is no next page when there are no paged results */
4299 return False;
4300 }
4301
4302 rc = smbldap_search_paged(state->connection, state->base,
4303 state->scope, state->filter, state->attrs,
4304 state->attrsonly, lp_ldap_page_size(),
4305 &state->entries,
4306 &state->pagedresults_cookie);
4307
4308 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4309 return False;
4310
4311 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4312
4313 if (state->current_entry == NULL) {
4314 ldap_msgfree(state->entries);
4315 state->entries = NULL;
4316 }
4317
4318 return True;
4319 }
4320
4321 static bool ldapsam_search_next_entry(struct pdb_search *search,
4322 struct samr_displayentry *entry)
4323 {
4324 struct ldap_search_state *state =
4325 (struct ldap_search_state *)search->private_data;
4326 bool result;
4327
4328 retry:
4329 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4330 return False;
4331
4332 if ((state->entries == NULL) &&
4333 !ldapsam_search_nextpage(search))
4334 return False;
4335
4336 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4337 state->current_entry, entry);
4338
4339 if (!result) {
4340 char *dn;
4341 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4342 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4343 if (dn != NULL) ldap_memfree(dn);
4344 }
4345
4346 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4347
4348 if (state->current_entry == NULL) {
4349 ldap_msgfree(state->entries);
4350 state->entries = NULL;
4351 }
4352
4353 if (!result) goto retry;
4354
4355 return True;
4356 }
4357
4358 static void ldapsam_search_end(struct pdb_search *search)
4359 {
4360 struct ldap_search_state *state =
4361 (struct ldap_search_state *)search->private_data;
4362 int rc;
4363
4364 if (state->pagedresults_cookie == NULL)
4365 return;
4366
4367 if (state->entries != NULL)
4368 ldap_msgfree(state->entries);
4369
4370 state->entries = NULL;
4371 state->current_entry = NULL;
4372
4373 if (!state->connection->paged_results)
4374 return;
4375
4376 /* Tell the LDAP server we're not interested in the rest anymore. */
4377
4378 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4379 state->filter, state->attrs,
4380 state->attrsonly, 0, &state->entries,
4381 &state->pagedresults_cookie);
4382
4383 if (rc != LDAP_SUCCESS)
4384 DEBUG(5, ("Could not end search properly\n"));
4385
4386 return;
4387 }
4388
4389 static bool ldapuser2displayentry(struct ldap_search_state *state,
4390 TALLOC_CTX *mem_ctx,
4391 LDAP *ld, LDAPMessage *entry,
4392 struct samr_displayentry *result)
4393 {
4394 char **vals;
4395 DOM_SID sid;
4396 uint32 acct_flags;
4397
4398 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4399 if ((vals == NULL) || (vals[0] == NULL)) {
4400 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4401 return False;
4402 }
4403 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4404 ldap_value_free(vals);
4405
4406 if ((state->acct_flags != 0) &&
4407 ((state->acct_flags & acct_flags) == 0))
4408 return False;
4409
4410 result->acct_flags = acct_flags;
4411 result->account_name = "";
4412 result->fullname = "";
4413 result->description = "";
4414
4415 vals = ldap_get_values(ld, entry, "uid");
4416 if ((vals == NULL) || (vals[0] == NULL)) {
4417 DEBUG(5, ("\"uid\" not found\n"));
4418 return False;
4419 }
4420 pull_utf8_talloc(mem_ctx,
4421 CONST_DISCARD(char **, &result->account_name),
4422 vals[0]);
4423 ldap_value_free(vals);
4424
4425 vals = ldap_get_values(ld, entry, "displayName");
4426 if ((vals == NULL) || (vals[0] == NULL))
4427 DEBUG(8, ("\"displayName\" not found\n"));
4428 else
4429 pull_utf8_talloc(mem_ctx,
4430 CONST_DISCARD(char **, &result->fullname),
4431 vals[0]);
4432 ldap_value_free(vals);
4433
4434 vals = ldap_get_values(ld, entry, "description");
4435 if ((vals == NULL) || (vals[0] == NULL))
4436 DEBUG(8, ("\"description\" not found\n"));
4437 else
4438 pull_utf8_talloc(mem_ctx,
4439 CONST_DISCARD(char **, &result->description),
4440 vals[0]);
4441 ldap_value_free(vals);
4442
4443 if ((result->account_name == NULL) ||
4444 (result->fullname == NULL) ||
4445 (result->description == NULL)) {
4446 DEBUG(0, ("talloc failed\n"));
4447 return False;
4448 }
4449
4450 vals = ldap_get_values(ld, entry, "sambaSid");
4451 if ((vals == NULL) || (vals[0] == NULL)) {
4452 DEBUG(0, ("\"objectSid\" not found\n"));
4453 return False;
4454 }
4455
4456 if (!string_to_sid(&sid, vals[0])) {
4457 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4458 ldap_value_free(vals);
4459 return False;
4460 }
4461 ldap_value_free(vals);
4462
4463 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4464 DEBUG(0, ("sid %s does not belong to our domain\n",
4465 sid_string_dbg(&sid)));
4466 return False;
4467 }
4468
4469 return True;
4470 }
4471
4472
4473 static bool ldapsam_search_users(struct pdb_methods *methods,
4474 struct pdb_search *search,
4475 uint32 acct_flags)
4476 {
4477 struct ldapsam_privates *ldap_state =
4478 (struct ldapsam_privates *)methods->private_data;
4479 struct ldap_search_state *state;
4480
4481 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4482 if (state == NULL) {
4483 DEBUG(0, ("talloc failed\n"));
4484 return False;
4485 }
4486
4487 state->connection = ldap_state->smbldap_state;
4488
4489 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4490 state->base = lp_ldap_user_suffix();
4491 else if ((acct_flags != 0) &&
4492 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4493 state->base = lp_ldap_machine_suffix();
4494 else
4495 state->base = lp_ldap_suffix();
4496
4497 state->acct_flags = acct_flags;
4498 state->base = talloc_strdup(search->mem_ctx, state->base);
4499 state->scope = LDAP_SCOPE_SUBTREE;
4500 state->filter = get_ldap_filter(search->mem_ctx, "*");
4501 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4502 "displayName", "description",
4503 "sambaAcctFlags", NULL);
4504 state->attrsonly = 0;
4505 state->pagedresults_cookie = NULL;
4506 state->entries = NULL;
4507 state->ldap2displayentry = ldapuser2displayentry;
4508
4509 if ((state->filter == NULL) || (state->attrs == NULL)) {
4510 DEBUG(0, ("talloc failed\n"));
4511 return False;
4512 }
4513
4514 search->private_data = state;
4515 search->next_entry = ldapsam_search_next_entry;
4516 search->search_end = ldapsam_search_end;
4517
4518 return ldapsam_search_firstpage(search);
4519 }
4520
4521 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4522 TALLOC_CTX *mem_ctx,
4523 LDAP *ld, LDAPMessage *entry,
4524 struct samr_displayentry *result)
4525 {
4526 char **vals;
4527 DOM_SID sid;
4528 uint16 group_type;
4529
4530 result->account_name = "";
4531 result->fullname = "";
4532 result->description = "";
4533
4534
4535 vals = ldap_get_values(ld, entry, "sambaGroupType");
4536 if ((vals == NULL) || (vals[0] == NULL)) {
4537 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4538 if (vals != NULL) {
4539 ldap_value_free(vals);
4540 }
4541 return False;
4542 }
4543
4544 group_type = atoi(vals[0]);
4545
4546 if ((state->group_type != 0) &&
4547 ((state->group_type != group_type))) {
4548 ldap_value_free(vals);
4549 return False;
4550 }
4551
4552 ldap_value_free(vals);
4553
4554 /* display name is the NT group name */
4555
4556 vals = ldap_get_values(ld, entry, "displayName");
4557 if ((vals == NULL) || (vals[0] == NULL)) {
4558 DEBUG(8, ("\"displayName\" not found\n"));
4559
4560 /* fallback to the 'cn' attribute */
4561 vals = ldap_get_values(ld, entry, "cn");
4562 if ((vals == NULL) || (vals[0] == NULL)) {
4563 DEBUG(5, ("\"cn\" not found\n"));
4564 return False;
4565 }
4566 pull_utf8_talloc(mem_ctx,
4567 CONST_DISCARD(char **, &result->account_name),
4568 vals[0]);
4569 }
4570 else {
4571 pull_utf8_talloc(mem_ctx,
4572 CONST_DISCARD(char **, &result->account_name),
4573 vals[0]);
4574 }
4575
4576 ldap_value_free(vals);
4577
4578 vals = ldap_get_values(ld, entry, "description");
4579 if ((vals == NULL) || (vals[0] == NULL))
4580 DEBUG(8, ("\"description\" not found\n"));
4581 else
4582 pull_utf8_talloc(mem_ctx,
4583 CONST_DISCARD(char **, &result->description),
4584 vals[0]);
4585 ldap_value_free(vals);
4586
4587 if ((result->account_name == NULL) ||
4588 (result->fullname == NULL) ||
4589 (result->description == NULL)) {
4590 DEBUG(0, ("talloc failed\n"));
4591 return False;
4592 }
4593
4594 vals = ldap_get_values(ld, entry, "sambaSid");
4595 if ((vals == NULL) || (vals[0] == NULL)) {
4596 DEBUG(0, ("\"objectSid\" not found\n"));
4597 if (vals != NULL) {
4598 ldap_value_free(vals);
4599 }
4600 return False;
4601 }
4602
4603 if (!string_to_sid(&sid, vals[0])) {
4604 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4605 return False;
4606 }
4607
4608 ldap_value_free(vals);
4609
4610 switch (group_type) {
4611 case SID_NAME_DOM_GRP:
4612 case SID_NAME_ALIAS:
4613
4614 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4615 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4616 {
4617 DEBUG(0, ("%s is not in our domain\n",
4618 sid_string_dbg(&sid)));
4619 return False;
4620 }
4621 break;
4622
4623 default:
4624 DEBUG(0,("unkown group type: %d\n", group_type));
4625 return False;
4626 }
4627
4628 return True;
4629 }
4630
4631 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4632 struct pdb_search *search,
4633 const DOM_SID *sid,
4634 enum lsa_SidType type)
4635 {
4636 struct ldapsam_privates *ldap_state =
4637 (struct ldapsam_privates *)methods->private_data;
4638 struct ldap_search_state *state;
4639 fstring tmp;
4640
4641 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4642 if (state == NULL) {
4643 DEBUG(0, ("talloc failed\n"));
4644 return False;
4645 }
4646
4647 state->connection = ldap_state->smbldap_state;
4648
4649 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4650 state->connection = ldap_state->smbldap_state;
4651 state->scope = LDAP_SCOPE_SUBTREE;
4652 state->filter = talloc_asprintf(search->mem_ctx,
4653 "(&(objectclass=sambaGroupMapping)"
4654 "(sambaGroupType=%d)(sambaSID=%s*))",
4655 type, sid_to_fstring(tmp, sid));
4656 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4657 "displayName", "description",
4658 "sambaGroupType", NULL);
4659 state->attrsonly = 0;
4660 state->pagedresults_cookie = NULL;
4661 state->entries = NULL;
4662 state->group_type = type;
4663 state->ldap2displayentry = ldapgroup2displayentry;
4664
4665 if ((state->filter == NULL) || (state->attrs == NULL)) {
4666 DEBUG(0, ("talloc failed\n"));
4667 return False;
4668 }
4669
4670 search->private_data = state;
4671 search->next_entry = ldapsam_search_next_entry;
4672 search->search_end = ldapsam_search_end;
4673
4674 return ldapsam_search_firstpage(search);
4675 }
4676
4677 static bool ldapsam_search_groups(struct pdb_methods *methods,
4678 struct pdb_search *search)
4679 {
4680 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4681 }
4682
4683 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4684 struct pdb_search *search,
4685 const DOM_SID *sid)
4686 {
4687 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4688 }
4689
4690 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4691 {
4692 return False;
4693 }
4694
4695 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4696 uint32 *rid)
4697 {
4698 struct smbldap_state *smbldap_state = priv->smbldap_state;
4699
4700 LDAPMessage *result = NULL;
4701 LDAPMessage *entry = NULL;
4702 LDAPMod **mods = NULL;
4703 NTSTATUS status;
4704 char *value;
4705 int rc;
4706 uint32 nextRid = 0;
4707 const char *dn;
4708
4709 TALLOC_CTX *mem_ctx;
4710
4711 mem_ctx = talloc_new(NULL);
4712 if (mem_ctx == NULL) {
4713 DEBUG(0, ("talloc_new failed\n"));
4714 return NT_STATUS_NO_MEMORY;
4715 }
4716
4717 status = smbldap_search_domain_info(smbldap_state, &result,
4718 get_global_sam_name(), False);
4719 if (!NT_STATUS_IS_OK(status)) {
4720 DEBUG(3, ("Could not get domain info: %s\n",
4721 nt_errstr(status)));
4722 goto done;
4723 }
4724
4725 talloc_autofree_ldapmsg(mem_ctx, result);
4726
4727 entry = ldap_first_entry(priv2ld(priv), result);
4728 if (entry == NULL) {
4729 DEBUG(0, ("Could not get domain info entry\n"));
4730 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4731 goto done;
4732 }
4733
4734 /* Find the largest of the three attributes "sambaNextRid",
4735 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4736 concept of differentiating between user and group rids, and will
4737 use only "sambaNextRid" in the future. But for compatibility
4738 reasons I look if others have chosen different strategies -- VL */
4739
4740 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4741 "sambaNextRid", mem_ctx);
4742 if (value != NULL) {
4743 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4744 nextRid = MAX(nextRid, tmp);
4745 }
4746
4747 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4748 "sambaNextUserRid", mem_ctx);
4749 if (value != NULL) {
4750 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4751 nextRid = MAX(nextRid, tmp);
4752 }
4753
4754 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4755 "sambaNextGroupRid", mem_ctx);
4756 if (value != NULL) {
4757 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4758 nextRid = MAX(nextRid, tmp);
4759 }
4760
4761 if (nextRid == 0) {
4762 nextRid = BASE_RID-1;
4763 }
4764
4765 nextRid += 1;
4766
4767 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4768 talloc_asprintf(mem_ctx, "%d", nextRid));
4769 talloc_autofree_ldapmod(mem_ctx, mods);
4770
4771 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4772 status = NT_STATUS_NO_MEMORY;
4773 goto done;
4774 }
4775
4776 rc = smbldap_modify(smbldap_state, dn, mods);
4777
4778 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4779 * please retry" */
4780
4781 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4782
4783 done:
4784 if (NT_STATUS_IS_OK(status)) {
4785 *rid = nextRid;
4786 }
4787
4788 TALLOC_FREE(mem_ctx);
4789 return status;
4790 }
4791
4792 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4793 {
4794 int i;
4795
4796 for (i=0; i<10; i++) {
4797 NTSTATUS result = ldapsam_get_new_rid(
4798 (struct ldapsam_privates *)methods->private_data, rid);
4799 if (NT_STATUS_IS_OK(result)) {
4800 return result;
4801 }
4802
4803 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4804 return result;
4805 }
4806
4807 /* The ldap update failed (maybe a race condition), retry */
4808 }
4809
4810 /* Tried 10 times, fail. */
4811 return NT_STATUS_ACCESS_DENIED;
4812 }
4813
4814 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4815 {
4816 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4817 return NT_STATUS_IS_OK(result) ? True : False;
4818 }
4819
4820 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4821 const DOM_SID *sid,
4822 union unid_t *id, enum lsa_SidType *type)
4823 {
4824 struct ldapsam_privates *priv =
4825 (struct ldapsam_privates *)methods->private_data;
4826 char *filter;
4827 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4828 NULL };
4829 LDAPMessage *result = NULL;
4830 LDAPMessage *entry = NULL;
4831 bool ret = False;
4832 char *value;
4833 int rc;
4834
4835 TALLOC_CTX *mem_ctx;
4836
4837 mem_ctx = talloc_new(NULL);
4838 if (mem_ctx == NULL) {
4839 DEBUG(0, ("talloc_new failed\n"));
4840 return False;
4841 }
4842
4843 filter = talloc_asprintf(mem_ctx,
4844 "(&(sambaSid=%s)"
4845 "(|(objectClass=%s)(objectClass=%s)))",
4846 sid_string_talloc(mem_ctx, sid),
4847 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4848 if (filter == NULL) {
4849 DEBUG(5, ("talloc_asprintf failed\n"));
4850 goto done;
4851 }
4852
4853 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4854 attrs, &result);
4855 if (rc != LDAP_SUCCESS) {
4856 goto done;
4857 }
4858 talloc_autofree_ldapmsg(mem_ctx, result);
4859
4860 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4861 DEBUG(10, ("Got %d entries, expected one\n",
4862 ldap_count_entries(priv2ld(priv), result)));
4863 goto done;
4864 }
4865
4866 entry = ldap_first_entry(priv2ld(priv), result);
4867
4868 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4869 "sambaGroupType", mem_ctx);
4870
4871 if (value != NULL) {
4872 const char *gid_str;
4873 /* It's a group */
4874
4875 gid_str = smbldap_talloc_single_attribute(
4876 priv2ld(priv), entry, "gidNumber", mem_ctx);
4877 if (gid_str == NULL) {
4878 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4879 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4880 entry)));
4881 goto done;
4882 }
4883
4884 id->gid = strtoul(gid_str, NULL, 10);
4885 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4886 ret = True;
4887 goto done;
4888 }
4889
4890 /* It must be a user */
4891
4892 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4893 "uidNumber", mem_ctx);
4894 if (value == NULL) {
4895 DEBUG(1, ("Could not find uidNumber in %s\n",
4896 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4897 goto done;
4898 }
4899
4900 id->uid = strtoul(value, NULL, 10);
4901 *type = SID_NAME_USER;
4902
4903 ret = True;
4904 done:
4905 TALLOC_FREE(mem_ctx);
4906 return ret;
4907 }
4908
4909 /*
4910 * The following functions is called only if
4911 * ldapsam:trusted and ldapsam:editposix are
4912 * set to true
4913 */
4914
4915 /*
4916 * ldapsam_create_user creates a new
4917 * posixAccount and sambaSamAccount object
4918 * in the ldap users subtree
4919 *
4920 * The uid is allocated by winbindd.
4921 */
4922
4923 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4924 TALLOC_CTX *tmp_ctx, const char *name,
4925 uint32 acb_info, uint32 *rid)
4926 {
4927 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4928 LDAPMessage *entry = NULL;
4929 LDAPMessage *result = NULL;
4930 uint32 num_result;
4931 bool is_machine = False;
4932 bool add_posix = False;
4933 LDAPMod **mods = NULL;
4934 struct samu *user;
4935 char *filter;
4936 char *username;
4937 char *homedir;
4938 char *gidstr;
4939 char *uidstr;
4940 char *shell;
4941 const char *dn = NULL;
4942 DOM_SID group_sid;
4943 DOM_SID user_sid;
4944 gid_t gid = -1;
4945 uid_t uid = -1;
4946 NTSTATUS ret;
4947 int rc;
4948
4949 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4950 acb_info & ACB_WSTRUST ||
4951 acb_info & ACB_SVRTRUST ||
4952 acb_info & ACB_DOMTRUST) {
4953 is_machine = True;
4954 }
4955
4956 username = escape_ldap_string_alloc(name);
4957 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4958 username, LDAP_OBJ_POSIXACCOUNT);
4959 SAFE_FREE(username);
4960
4961 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4962 if (rc != LDAP_SUCCESS) {
4963 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4964 return NT_STATUS_UNSUCCESSFUL;
4965 }
4966 talloc_autofree_ldapmsg(tmp_ctx, result);
4967
4968 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4969
4970 if (num_result > 1) {
4971 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4972 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4973 }
4974
4975 if (num_result == 1) {
4976 char *tmp;
4977 /* check if it is just a posix account.
4978 * or if there is a sid attached to this entry
4979 */
4980
4981 entry = ldap_first_entry(priv2ld(ldap_state), result);
4982 if (!entry) {
4983 return NT_STATUS_UNSUCCESSFUL;
4984 }
4985
4986 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4987 if (tmp) {
4988 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4989 return NT_STATUS_USER_EXISTS;
4990 }
4991
4992 /* it is just a posix account, retrieve the dn for later use */
4993 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4994 if (!dn) {
4995 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4996 return NT_STATUS_NO_MEMORY;
4997 }
4998 }
4999
5000 if (num_result == 0) {
5001 add_posix = True;
5002 }
5003
5004 /* Create the basic samu structure and generate the mods for the ldap commit */
5005 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5006 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5007 return ret;
5008 }
5009
5010 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5011
5012 user = samu_new(tmp_ctx);
5013 if (!user) {
5014 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5015 return NT_STATUS_NO_MEMORY;
5016 }
5017
5018 if (!pdb_set_username(user, name, PDB_SET)) {
5019 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5020 return NT_STATUS_UNSUCCESSFUL;
5021 }
5022 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5023 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5024 return NT_STATUS_UNSUCCESSFUL;
5025 }
5026 if (is_machine) {
5027 if (acb_info & ACB_NORMAL) {
5028 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5029 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5030 return NT_STATUS_UNSUCCESSFUL;
5031 }
5032 } else {
5033 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5034 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5035 return NT_STATUS_UNSUCCESSFUL;
5036 }
5037 }
5038 } else {
5039 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5040 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5041 return NT_STATUS_UNSUCCESSFUL;
5042 }
5043 }
5044
5045 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5046 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5047 return NT_STATUS_UNSUCCESSFUL;
5048 }
5049
5050 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5051 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5052 return NT_STATUS_UNSUCCESSFUL;
5053 }
5054
5055 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5056 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5057 }
5058 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5059
5060 if (add_posix) {
5061 char *escape_name;
5062
5063 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5064
5065 /* retrieve the Domain Users group gid */
5066 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5067 !sid_to_gid(&group_sid, &gid)) {
5068 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5069 return NT_STATUS_INVALID_PRIMARY_GROUP;
5070 }
5071
5072 /* lets allocate a new userid for this user */
5073 if (!winbind_allocate_uid(&uid)) {
5074 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5075 return NT_STATUS_UNSUCCESSFUL;
5076 }
5077
5078
5079 if (is_machine) {
5080 /* TODO: choose a more appropriate default for machines */
5081 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5082 shell = talloc_strdup(tmp_ctx, "/bin/false");
5083 } else {
5084 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5085 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5086 }
5087 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5088 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5089
5090 escape_name = escape_rdn_val_string_alloc(name);
5091 if (!escape_name) {
5092 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5093 return NT_STATUS_NO_MEMORY;
5094 }
5095
5096 if (is_machine) {
5097 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5098 } else {
5099 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5100 }
5101
5102 SAFE_FREE(escape_name);
5103
5104 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5105 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5106 return NT_STATUS_NO_MEMORY;
5107 }
5108
5109 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5110 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5111 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5112 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5113 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5114 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5115 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5116 }
5117
5118 talloc_autofree_ldapmod(tmp_ctx, mods);
5119
5120 if (add_posix) {
5121 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5122 } else {
5123 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5124 }
5125
5126 if (rc != LDAP_SUCCESS) {
5127 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5128 return NT_STATUS_UNSUCCESSFUL;
5129 }
5130
5131 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5132
5133 flush_pwnam_cache();
5134
5135 return NT_STATUS_OK;
5136 }
5137
5138 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5139 {
5140 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5141 LDAPMessage *result = NULL;
5142 LDAPMessage *entry = NULL;
5143 int num_result;
5144 const char *dn;
5145 char *filter;
5146 int rc;
5147
5148 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5149
5150 filter = talloc_asprintf(tmp_ctx,
5151 "(&(uid=%s)"
5152 "(objectClass=%s)"
5153 "(objectClass=%s))",
5154 pdb_get_username(sam_acct),
5155 LDAP_OBJ_POSIXACCOUNT,
5156 LDAP_OBJ_SAMBASAMACCOUNT);
5157 if (filter == NULL) {
5158 return NT_STATUS_NO_MEMORY;
5159 }
5160
5161 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5162 if (rc != LDAP_SUCCESS) {
5163 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5164 return NT_STATUS_UNSUCCESSFUL;
5165 }
5166 talloc_autofree_ldapmsg(tmp_ctx, result);
5167
5168 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5169
5170 if (num_result == 0) {
5171 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5172 return NT_STATUS_NO_SUCH_USER;
5173 }
5174
5175 if (num_result > 1) {
5176 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5177 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5178 }
5179
5180 entry = ldap_first_entry(priv2ld(ldap_state), result);
5181 if (!entry) {
5182 return NT_STATUS_UNSUCCESSFUL;
5183 }
5184
5185 /* it is just a posix account, retrieve the dn for later use */
5186 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5187 if (!dn) {
5188 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5189 return NT_STATUS_NO_MEMORY;
5190 }
5191
5192 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5193 if (rc != LDAP_SUCCESS) {
5194 return NT_STATUS_UNSUCCESSFUL;
5195 }
5196
5197 flush_pwnam_cache();
5198
5199 return NT_STATUS_OK;
5200 }
5201
5202 /*
5203 * ldapsam_create_group creates a new
5204 * posixGroup and sambaGroupMapping object
5205 * in the ldap groups subtree
5206 *
5207 * The gid is allocated by winbindd.
5208 */
5209
5210 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5211 TALLOC_CTX *tmp_ctx,
5212 const char *name,
5213 uint32 *rid)
5214 {
5215 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5216 NTSTATUS ret;
5217 LDAPMessage *entry = NULL;
5218 LDAPMessage *result = NULL;
5219 uint32 num_result;
5220 bool is_new_entry = False;
5221 LDAPMod **mods = NULL;
5222 char *filter;
5223 char *groupsidstr;
5224 char *groupname;
5225 char *grouptype;
5226 char *gidstr;
5227 const char *dn = NULL;
5228 DOM_SID group_sid;
5229 gid_t gid = -1;
5230 int rc;
5231
5232 groupname = escape_ldap_string_alloc(name);
5233 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5234 groupname, LDAP_OBJ_POSIXGROUP);
5235 SAFE_FREE(groupname);
5236
5237 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5238 if (rc != LDAP_SUCCESS) {
5239 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5240 return NT_STATUS_UNSUCCESSFUL;
5241 }
5242 talloc_autofree_ldapmsg(tmp_ctx, result);
5243
5244 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5245
5246 if (num_result > 1) {
5247 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5248 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5249 }
5250
5251 if (num_result == 1) {
5252 char *tmp;
5253 /* check if it is just a posix group.
5254 * or if there is a sid attached to this entry
5255 */
5256
5257 entry = ldap_first_entry(priv2ld(ldap_state), result);
5258 if (!entry) {
5259 return NT_STATUS_UNSUCCESSFUL;
5260 }
5261
5262 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5263 if (tmp) {
5264 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5265 return NT_STATUS_GROUP_EXISTS;
5266 }
5267
5268 /* it is just a posix group, retrieve the gid and the dn for later use */
5269 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5270 if (!tmp) {
5271 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5272 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5273 }
5274
5275 gid = strtoul(tmp, NULL, 10);
5276
5277 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5278 if (!dn) {
5279 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5280 return NT_STATUS_NO_MEMORY;
5281 }
5282 }
5283
5284 if (num_result == 0) {
5285 char *escape_name;
5286
5287 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5288
5289 is_new_entry = True;
5290
5291 /* lets allocate a new groupid for this group */
5292 if (!winbind_allocate_gid(&gid)) {
5293 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5294 return NT_STATUS_UNSUCCESSFUL;
5295 }
5296
5297 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5298
5299 escape_name = escape_rdn_val_string_alloc(name);
5300 if (!escape_name) {
5301 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5302 return NT_STATUS_NO_MEMORY;
5303 }
5304
5305 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5306
5307 SAFE_FREE(escape_name);
5308
5309 if (!gidstr || !dn) {
5310 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5311 return NT_STATUS_NO_MEMORY;
5312 }
5313
5314 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5315 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5316 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5317 }
5318
5319 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5320 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5321 return ret;
5322 }
5323
5324 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5325
5326 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5327 &group_sid));
5328 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5329
5330 if (!groupsidstr || !grouptype) {
5331 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5332 return NT_STATUS_NO_MEMORY;
5333 }
5334
5335 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5336 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5337 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5338 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5339 talloc_autofree_ldapmod(tmp_ctx, mods);
5340
5341 if (is_new_entry) {
5342 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5343 #if 0
5344 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5345 /* This call may fail with rfc2307bis schema */
5346 /* Retry adding a structural class */
5347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5348 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5349 }
5350 #endif
5351 } else {
5352 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5353 }
5354
5355 if (rc != LDAP_SUCCESS) {
5356 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5357 return NT_STATUS_UNSUCCESSFUL;
5358 }
5359
5360 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5361
5362 return NT_STATUS_OK;
5363 }
5364
5365 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5366 {
5367 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5368 LDAPMessage *result = NULL;
5369 LDAPMessage *entry = NULL;
5370 int num_result;
5371 const char *dn;
5372 char *gidstr;
5373 char *filter;
5374 DOM_SID group_sid;
5375 int rc;
5376
5377 /* get the group sid */
5378 sid_compose(&group_sid, get_global_sam_sid(), rid);
5379
5380 filter = talloc_asprintf(tmp_ctx,
5381 "(&(sambaSID=%s)"
5382 "(objectClass=%s)"
5383 "(objectClass=%s))",
5384 sid_string_talloc(tmp_ctx, &group_sid),
5385 LDAP_OBJ_POSIXGROUP,
5386 LDAP_OBJ_GROUPMAP);
5387 if (filter == NULL) {
5388 return NT_STATUS_NO_MEMORY;
5389 }
5390
5391 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5392 if (rc != LDAP_SUCCESS) {
5393 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5394 return NT_STATUS_UNSUCCESSFUL;
5395 }
5396 talloc_autofree_ldapmsg(tmp_ctx, result);
5397
5398 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5399
5400 if (num_result == 0) {
5401 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5402 return NT_STATUS_NO_SUCH_GROUP;
5403 }
5404
5405 if (num_result > 1) {
5406 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5407 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5408 }
5409
5410 entry = ldap_first_entry(priv2ld(ldap_state), result);
5411 if (!entry) {
5412 return NT_STATUS_UNSUCCESSFUL;
5413 }
5414
5415 /* here it is, retrieve the dn for later use */
5416 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5417 if (!dn) {
5418 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5419 return NT_STATUS_NO_MEMORY;
5420 }
5421
5422 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5423 if (!gidstr) {
5424 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5425 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5426 }
5427
5428 /* check no user have this group marked as primary group */
5429 filter = talloc_asprintf(tmp_ctx,
5430 "(&(gidNumber=%s)"
5431 "(objectClass=%s)"
5432 "(objectClass=%s))",
5433 gidstr,
5434 LDAP_OBJ_POSIXACCOUNT,
5435 LDAP_OBJ_SAMBASAMACCOUNT);
5436
5437 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5438 if (rc != LDAP_SUCCESS) {
5439 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5440 return NT_STATUS_UNSUCCESSFUL;
5441 }
5442 talloc_autofree_ldapmsg(tmp_ctx, result);
5443
5444 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5445
5446 if (num_result != 0) {
5447 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5448 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5449 }
5450
5451 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5452 if (rc != LDAP_SUCCESS) {
5453 return NT_STATUS_UNSUCCESSFUL;
5454 }
5455
5456 return NT_STATUS_OK;
5457 }
5458
5459 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5460 TALLOC_CTX *tmp_ctx,
5461 uint32 group_rid,
5462 uint32 member_rid,
5463 int modop)
5464 {
5465 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5466 LDAPMessage *entry = NULL;
5467 LDAPMessage *result = NULL;
5468 uint32 num_result;
5469 LDAPMod **mods = NULL;
5470 char *filter;
5471 char *uidstr;
5472 const char *dn = NULL;
5473 DOM_SID group_sid;
5474 DOM_SID member_sid;
5475 int rc;
5476
5477 switch (modop) {
5478 case LDAP_MOD_ADD:
5479 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5480 break;
5481 case LDAP_MOD_DELETE:
5482 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5483 break;
5484 default:
5485 return NT_STATUS_UNSUCCESSFUL;
5486 }
5487
5488 /* get member sid */
5489 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5490
5491 /* get the group sid */
5492 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5493
5494 filter = talloc_asprintf(tmp_ctx,
5495 "(&(sambaSID=%s)"
5496 "(objectClass=%s)"
5497 "(objectClass=%s))",
5498 sid_string_talloc(tmp_ctx, &member_sid),
5499 LDAP_OBJ_POSIXACCOUNT,
5500 LDAP_OBJ_SAMBASAMACCOUNT);
5501 if (filter == NULL) {
5502 return NT_STATUS_NO_MEMORY;
5503 }
5504
5505 /* get the member uid */
5506 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5507 if (rc != LDAP_SUCCESS) {
5508 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5509 return NT_STATUS_UNSUCCESSFUL;
5510 }
5511 talloc_autofree_ldapmsg(tmp_ctx, result);
5512
5513 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5514
5515 if (num_result == 0) {
5516 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5517 return NT_STATUS_NO_SUCH_MEMBER;
5518 }
5519
5520 if (num_result > 1) {
5521 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5522 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5523 }
5524
5525 entry = ldap_first_entry(priv2ld(ldap_state), result);
5526 if (!entry) {
5527 return NT_STATUS_UNSUCCESSFUL;
5528 }
5529
5530 if (modop == LDAP_MOD_DELETE) {
5531 /* check if we are trying to remove the member from his primary group */
5532 char *gidstr;
5533 gid_t user_gid, group_gid;
5534
5535 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5536 if (!gidstr) {
5537 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5538 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5539 }
5540
5541 user_gid = strtoul(gidstr, NULL, 10);
5542
5543 if (!sid_to_gid(&group_sid, &group_gid)) {
5544 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5545 return NT_STATUS_UNSUCCESSFUL;
5546 }
5547
5548 if (user_gid == group_gid) {
5549 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5550 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5551 }
5552 }
5553
5554 /* here it is, retrieve the uid for later use */
5555 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5556 if (!uidstr) {
5557 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5558 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5559 }
5560
5561 filter = talloc_asprintf(tmp_ctx,
5562 "(&(sambaSID=%s)"
5563 "(objectClass=%s)"
5564 "(objectClass=%s))",
5565 sid_string_talloc(tmp_ctx, &group_sid),
5566 LDAP_OBJ_POSIXGROUP,
5567 LDAP_OBJ_GROUPMAP);
5568
5569 /* get the group */
5570 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5571 if (rc != LDAP_SUCCESS) {
5572 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5573 return NT_STATUS_UNSUCCESSFUL;
5574 }
5575 talloc_autofree_ldapmsg(tmp_ctx, result);
5576
5577 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5578
5579 if (num_result == 0) {
5580 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5581 return NT_STATUS_NO_SUCH_GROUP;
5582 }
5583
5584 if (num_result > 1) {
5585 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5586 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5587 }
5588
5589 entry = ldap_first_entry(priv2ld(ldap_state), result);
5590 if (!entry) {
5591 return NT_STATUS_UNSUCCESSFUL;
5592 }
5593
5594 /* here it is, retrieve the dn for later use */
5595 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5596 if (!dn) {
5597 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5598 return NT_STATUS_NO_MEMORY;
5599 }
5600
5601 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5602
5603 talloc_autofree_ldapmod(tmp_ctx, mods);
5604
5605 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5606 if (rc != LDAP_SUCCESS) {
5607 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5608 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5609 return NT_STATUS_MEMBER_IN_GROUP;
5610 }
5611 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5612 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5613 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5614 }
5615 return NT_STATUS_UNSUCCESSFUL;
5616 }
5617
5618 return NT_STATUS_OK;
5619 }
5620
5621 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5622 TALLOC_CTX *tmp_ctx,
5623 uint32 group_rid,
5624 uint32 member_rid)
5625 {
5626 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5627 }
5628 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5629 TALLOC_CTX *tmp_ctx,
5630 uint32 group_rid,
5631 uint32 member_rid)
5632 {
5633 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5634 }
5635
5636 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5637 TALLOC_CTX *mem_ctx,
5638 struct samu *sampass)
5639 {
5640 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5641 LDAPMessage *entry = NULL;
5642 LDAPMessage *result = NULL;
5643 uint32 num_result;
5644 LDAPMod **mods = NULL;
5645 char *filter;
5646 char *escape_username;
5647 char *gidstr;
5648 const char *dn = NULL;
5649 gid_t gid;
5650 int rc;
5651
5652 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5653
5654 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5655 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5656 return NT_STATUS_UNSUCCESSFUL;
5657 }
5658 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5659 if (!gidstr) {
5660 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5661 return NT_STATUS_NO_MEMORY;
5662 }
5663
5664 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5665 if (escape_username== NULL) {
5666 return NT_STATUS_NO_MEMORY;
5667 }
5668
5669 filter = talloc_asprintf(mem_ctx,
5670 "(&(uid=%s)"
5671 "(objectClass=%s)"
5672 "(objectClass=%s))",
5673 escape_username,
5674 LDAP_OBJ_POSIXACCOUNT,
5675 LDAP_OBJ_SAMBASAMACCOUNT);
5676
5677 SAFE_FREE(escape_username);
5678
5679 if (filter == NULL) {
5680 return NT_STATUS_NO_MEMORY;
5681 }
5682
5683 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5684 if (rc != LDAP_SUCCESS) {
5685 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5686 return NT_STATUS_UNSUCCESSFUL;
5687 }
5688 talloc_autofree_ldapmsg(mem_ctx, result);
5689
5690 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5691
5692 if (num_result == 0) {
5693 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5694 return NT_STATUS_NO_SUCH_USER;
5695 }
5696
5697 if (num_result > 1) {
5698 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5699 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5700 }
5701
5702 entry = ldap_first_entry(priv2ld(ldap_state), result);
5703 if (!entry) {
5704 return NT_STATUS_UNSUCCESSFUL;
5705 }
5706
5707 /* retrieve the dn for later use */
5708 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5709 if (!dn) {
5710 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5711 return NT_STATUS_NO_MEMORY;
5712 }
5713
5714 /* remove the old one, and add the new one, this way we do not risk races */
5715 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5716
5717 if (mods == NULL) {
5718 return NT_STATUS_OK;
5719 }
5720
5721 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5722
5723 if (rc != LDAP_SUCCESS) {
5724 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5725 pdb_get_username(sampass), gidstr));
5726 return NT_STATUS_UNSUCCESSFUL;
5727 }
5728
5729 flush_pwnam_cache();
5730
5731 return NT_STATUS_OK;
5732 }
5733
5734
5735 /**********************************************************************
5736 trusted domains functions
5737 *********************************************************************/
5738
5739 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5740 const char *domain)
5741 {
5742 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5743 ldap_state->domain_dn);
5744 }
5745
5746 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5747 const char *domain, LDAPMessage **entry)
5748 {
5749 int rc;
5750 char *filter;
5751 int scope = LDAP_SCOPE_SUBTREE;
5752 const char **attrs = NULL; /* NULL: get all attrs */
5753 int attrsonly = 0; /* 0: return values too */
5754 LDAPMessage *result = NULL;
5755 char *trusted_dn;
5756 uint32 num_result;
5757
5758 filter = talloc_asprintf(talloc_tos(),
5759 "(&(objectClass=%s)(sambaDomainName=%s))",
5760 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5761
5762 trusted_dn = trusteddom_dn(ldap_state, domain);
5763 if (trusted_dn == NULL) {
5764 return False;
5765 }
5766 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5767 filter, attrs, attrsonly, &result);
5768
5769 if (rc == LDAP_NO_SUCH_OBJECT) {
5770 *entry = NULL;
5771 return True;
5772 }
5773
5774 if (rc != LDAP_SUCCESS) {
5775 return False;
5776 }
5777
5778 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5779
5780 if (num_result > 1) {
5781 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5782 "sambaTrustedDomainPassword object for domain '%s'"
5783 "?!\n", domain));
5784 return False;
5785 }
5786
5787 if (num_result == 0) {
5788 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5789 "sambaTrustedDomainPassword object for domain %s.\n",
5790 domain));
5791 *entry = NULL;
5792 } else {
5793 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5794 }
5795
5796 return True;
5797 }
5798
5799 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5800 const char *domain,
5801 char** pwd,
5802 DOM_SID *sid,
5803 time_t *pass_last_set_time)
5804 {
5805 struct ldapsam_privates *ldap_state =
5806 (struct ldapsam_privates *)methods->private_data;
5807 LDAPMessage *entry = NULL;
5808
5809 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5810
5811 if (!get_trusteddom_pw_int(ldap_state, domain, &entry) ||
5812 (entry == NULL))
5813 {
5814 return False;
5815 }
5816
5817 /* password */
5818 if (pwd != NULL) {
5819 char *pwd_str;
5820 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5821 entry, "sambaClearTextPassword", talloc_tos());
5822 if (pwd_str == NULL) {
5823 return False;
5824 }
5825 /* trusteddom_pw routines do not use talloc yet... */
5826 *pwd = SMB_STRDUP(pwd_str);
5827 if (*pwd == NULL) {
5828 return False;
5829 }
5830 }
5831
5832 /* last change time */
5833 if (pass_last_set_time != NULL) {
5834 char *time_str;
5835 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5836 entry, "sambaPwdLastSet", talloc_tos());
5837 if (time_str == NULL) {
5838 return False;
5839 }
5840 *pass_last_set_time = (time_t)atol(time_str);
5841 }
5842
5843 /* domain sid */
5844 if (sid != NULL) {
5845 char *sid_str;
5846 DOM_SID *dom_sid;
5847 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5848 entry, "sambaSID",
5849 talloc_tos());
5850 if (sid_str == NULL) {
5851 return False;
5852 }
5853 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5854 if (dom_sid == NULL) {
5855 return False;
5856 }
5857 sid_copy(sid, dom_sid);
5858 }
5859
5860 return True;
5861 }
5862
5863 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5864 const char* domain,
5865 const char* pwd,
5866 const DOM_SID *sid)
5867 {
5868 struct ldapsam_privates *ldap_state =
5869 (struct ldapsam_privates *)methods->private_data;
5870 LDAPMessage *entry = NULL;
5871 LDAPMod **mods = NULL;
5872 char *prev_pwd = NULL;
5873 char *trusted_dn = NULL;
5874 int rc;
5875
5876 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5877
5878 /*
5879 * get the current entry (if there is one) in order to put the
5880 * current password into the previous password attribute
5881 */
5882 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5883 return False;
5884 }
5885
5886 mods = NULL;
5887 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5888 "sambaTrustedDomainPassword");
5889 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5890 domain);
5891 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5892 sid_string_tos(sid));
5893 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5894 talloc_asprintf(talloc_tos(), "%li", time(NULL)));
5895 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5896 "sambaClearTextPassword", pwd);
5897 if (entry != NULL) {
5898 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5899 entry, "sambaClearTextPassword", talloc_tos());
5900 if (prev_pwd != NULL) {
5901 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5902 "sambaPreviousClearTextPassword",
5903 prev_pwd);
5904 }
5905 }
5906
5907 trusted_dn = trusteddom_dn(ldap_state, domain);
5908 if (trusted_dn == NULL) {
5909 return False;
5910 }
5911 if (entry == NULL) {
5912 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5913 } else {
5914 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5915 }
5916
5917 if (rc != LDAP_SUCCESS) {
5918 DEBUG(1, ("error writing trusted domain password!\n"));
5919 return False;
5920 }
5921
5922 return True;
5923 }
5924
5925 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5926 const char *domain)
5927 {
5928 int rc;
5929 struct ldapsam_privates *ldap_state =
5930 (struct ldapsam_privates *)methods->private_data;
5931 LDAPMessage *entry = NULL;
5932 const char *trusted_dn;
5933
5934 if (!get_trusteddom_pw_int(ldap_state, domain, &entry)) {
5935 return False;
5936 }
5937
5938 if (entry == NULL) {
5939 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
5940 "%s\n", domain));
5941 return True;
5942 }
5943
5944 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
5945 entry);
5946 if (trusted_dn == NULL) {
5947 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
5948 return False;
5949 }
5950
5951 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
5952 if (rc != LDAP_SUCCESS) {
5953 return False;
5954 }
5955
5956 return True;
5957 }
5958
5959 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
5960 TALLOC_CTX *mem_ctx,
5961 uint32 *num_domains,
5962 struct trustdom_info ***domains)
5963 {
5964 int rc;
5965 struct ldapsam_privates *ldap_state =
5966 (struct ldapsam_privates *)methods->private_data;
5967 char *filter;
5968 int scope = LDAP_SCOPE_SUBTREE;
5969 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
5970 int attrsonly = 0; /* 0: return values too */
5971 LDAPMessage *result = NULL;
5972 LDAPMessage *entry = NULL;
5973
5974 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
5975 LDAP_OBJ_TRUSTDOM_PASSWORD);
5976
5977 rc = smbldap_search(ldap_state->smbldap_state,
5978 ldap_state->domain_dn,
5979 scope,
5980 filter,
5981 attrs,
5982 attrsonly,
5983 &result);
5984
5985 if (rc != LDAP_SUCCESS) {
5986 return NT_STATUS_UNSUCCESSFUL;
5987 }
5988
5989 *num_domains = 0;
5990 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
5991 DEBUG(1, ("talloc failed\n"));
5992 return NT_STATUS_NO_MEMORY;
5993 }
5994
5995 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
5996 entry != NULL;
5997 entry = ldap_next_entry(priv2ld(ldap_state), entry))
5998 {
5999 char *dom_name, *dom_sid_str;
6000 struct trustdom_info *dom_info;
6001
6002 dom_info = TALLOC_P(*domains, struct trustdom_info);
6003 if (dom_info == NULL) {
6004 DEBUG(1, ("talloc failed\n"));
6005 return NT_STATUS_NO_MEMORY;
6006 }
6007
6008 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6009 entry,
6010 "sambaDomainName",
6011 talloc_tos());
6012 if (dom_name == NULL) {
6013 DEBUG(1, ("talloc failed\n"));
6014 return NT_STATUS_NO_MEMORY;
6015 }
6016 dom_info->name = dom_name;
6017
6018 dom_sid_str = smbldap_talloc_single_attribute(
6019 priv2ld(ldap_state), entry, "sambaSID",
6020 talloc_tos());
6021 if (dom_sid_str == NULL) {
6022 DEBUG(1, ("talloc failed\n"));
6023 return NT_STATUS_NO_MEMORY;
6024 }
6025 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6026 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6027 dom_sid_str));
6028 return NT_STATUS_UNSUCCESSFUL;
6029 }
6030
6031 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6032 domains, num_domains);
6033
6034 if (*domains == NULL) {
6035 DEBUG(1, ("talloc failed\n"));
6036 return NT_STATUS_NO_MEMORY;
6037 }
6038 }
6039
6040 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6041 return NT_STATUS_OK;
6042 }
6043
6044
6045 /**********************************************************************
6046 Housekeeping
6047 *********************************************************************/
6048
6049 static void free_private_data(void **vp)
6050 {
6051 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6052
6053 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6054
6055 if ((*ldap_state)->result != NULL) {
6056 ldap_msgfree((*ldap_state)->result);
6057 (*ldap_state)->result = NULL;
6058 }
6059 if ((*ldap_state)->domain_dn != NULL) {
6060 SAFE_FREE((*ldap_state)->domain_dn);
6061 }
6062
6063 *ldap_state = NULL;
6064
6065 /* No need to free any further, as it is talloc()ed */
6066 }
6067
6068 /*********************************************************************
6069 Intitalise the parts of the pdb_methods structure that are common to
6070 all pdb_ldap modes
6071 *********************************************************************/
6072
6073 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6074 {
6075 NTSTATUS nt_status;
6076 struct ldapsam_privates *ldap_state;
6077
6078 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6079 return nt_status;
6080 }
6081
6082 (*pdb_method)->name = "ldapsam";
6083
6084 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6085 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6086 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6087 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6088 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6089 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6090
6091 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6092 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6093 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6094 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6095 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6096 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6097 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6098
6099 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6100 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6101
6102 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6103
6104 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6105 (*pdb_method)->new_rid = ldapsam_new_rid;
6106
6107 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6108 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6109 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6110 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6111
6112 /* TODO: Setup private data and free */
6113
6114 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6115 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6116 return NT_STATUS_NO_MEMORY;
6117 }
6118
6119 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6120 location, &ldap_state->smbldap_state);
6121
6122 if ( !NT_STATUS_IS_OK(nt_status) ) {
6123 return nt_status;
6124 }
6125
6126 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6127 return NT_STATUS_NO_MEMORY;
6128 }
6129
6130 (*pdb_method)->private_data = ldap_state;
6131
6132 (*pdb_method)->free_private_data = free_private_data;
6133
6134 return NT_STATUS_OK;
6135 }
6136
6137 /**********************************************************************
6138 Initialise the 'compat' mode for pdb_ldap
6139 *********************************************************************/
6140
6141 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6142 {
6143 NTSTATUS nt_status;
6144 struct ldapsam_privates *ldap_state;
6145 char *uri = talloc_strdup( NULL, location );
6146
6147 trim_char( uri, '\"', '\"' );
6148 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6149 if ( uri )
6150 TALLOC_FREE( uri );
6151
6152 if ( !NT_STATUS_IS_OK(nt_status) ) {
6153 return nt_status;
6154 }
6155
6156 (*pdb_method)->name = "ldapsam_compat";
6157
6158 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6159 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6160
6161 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6162
6163 return NT_STATUS_OK;
6164 }
6165
6166 /**********************************************************************
6167 Initialise the normal mode for pdb_ldap
6168 *********************************************************************/
6169
6170 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6171 {
6172 NTSTATUS nt_status;
6173 struct ldapsam_privates *ldap_state = NULL;
6174 uint32 alg_rid_base;
6175 char *alg_rid_base_string = NULL;
6176 LDAPMessage *result = NULL;
6177 LDAPMessage *entry = NULL;
6178 DOM_SID ldap_domain_sid;
6179 DOM_SID secrets_domain_sid;
6180 char *domain_sid_string = NULL;
6181 char *dn = NULL;
6182 char *uri = talloc_strdup( NULL, location );
6183
6184 trim_char( uri, '\"', '\"' );
6185 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6186 if (uri) {
6187 TALLOC_FREE(uri);
6188 }
6189
6190 if (!NT_STATUS_IS_OK(nt_status)) {
6191 return nt_status;
6192 }
6193
6194 (*pdb_method)->name = "ldapsam";
6195
6196 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6197 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6198 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6199 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6200 (*pdb_method)->search_users = ldapsam_search_users;
6201 (*pdb_method)->search_groups = ldapsam_search_groups;
6202 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6203
6204 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6205 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6206 (*pdb_method)->enum_group_memberships =
6207 ldapsam_enum_group_memberships;
6208 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6209 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6210
6211 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6212 (*pdb_method)->create_user = ldapsam_create_user;
6213 (*pdb_method)->delete_user = ldapsam_delete_user;
6214 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6215 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6216 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6217 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6218 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6219 }
6220 }
6221
6222 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6223 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6224
6225 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6226
6227 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6228 &result,
6229 ldap_state->domain_name, True);
6230
6231 if ( !NT_STATUS_IS_OK(nt_status) ) {
6232 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6233 "info, nor add one to the domain\n"));
6234 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6235 "will be unable to allocate new users/groups, "
6236 "and will risk BDCs having inconsistant SIDs\n"));
6237 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6238 return NT_STATUS_OK;
6239 }
6240
6241 /* Given that the above might fail, everything below this must be
6242 * optional */
6243
6244 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6245 result);
6246 if (!entry) {
6247 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6248 "entry\n"));
6249 ldap_msgfree(result);
6250 return NT_STATUS_UNSUCCESSFUL;
6251 }
6252
6253 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6254 if (!dn) {
6255 ldap_msgfree(result);
6256 return NT_STATUS_UNSUCCESSFUL;
6257 }
6258
6259 ldap_state->domain_dn = smb_xstrdup(dn);
6260 ldap_memfree(dn);
6261
6262 domain_sid_string = smbldap_talloc_single_attribute(
6263 ldap_state->smbldap_state->ldap_struct,
6264 entry,
6265 get_userattr_key2string(ldap_state->schema_ver,
6266 LDAP_ATTR_USER_SID),
6267 NULL);
6268
6269 if (domain_sid_string) {
6270 bool found_sid;
6271 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6272 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6273 "read as a valid SID\n", domain_sid_string));
6274 ldap_msgfree(result);
6275 TALLOC_FREE(domain_sid_string);
6276 return NT_STATUS_INVALID_PARAMETER;
6277 }
6278 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6279 &secrets_domain_sid);
6280 if (!found_sid || !sid_equal(&secrets_domain_sid,
6281 &ldap_domain_sid)) {
6282 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6283 "%s based on pdb_ldap results %s -> %s\n",
6284 ldap_state->domain_name,
6285 sid_string_dbg(&secrets_domain_sid),
6286 sid_string_dbg(&ldap_domain_sid)));
6287
6288 /* reset secrets.tdb sid */
6289 secrets_store_domain_sid(ldap_state->domain_name,
6290 &ldap_domain_sid);
6291 DEBUG(1, ("New global sam SID: %s\n",
6292 sid_string_dbg(get_global_sam_sid())));
6293 }
6294 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6295 TALLOC_FREE(domain_sid_string);
6296 }
6297
6298 alg_rid_base_string = smbldap_talloc_single_attribute(
6299 ldap_state->smbldap_state->ldap_struct,
6300 entry,
6301 get_attr_key2string( dominfo_attr_list,
6302 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6303 NULL);
6304 if (alg_rid_base_string) {
6305 alg_rid_base = (uint32)atol(alg_rid_base_string);
6306 if (alg_rid_base != algorithmic_rid_base()) {
6307 DEBUG(0, ("The value of 'algorithmic RID base' has "
6308 "changed since the LDAP\n"
6309 "database was initialised. Aborting. \n"));
6310 ldap_msgfree(result);
6311 TALLOC_FREE(alg_rid_base_string);
6312 return NT_STATUS_UNSUCCESSFUL;
6313 }
6314 TALLOC_FREE(alg_rid_base_string);
6315 }
6316 ldap_msgfree(result);
6317
6318 return NT_STATUS_OK;
6319 }
6320
6321 NTSTATUS pdb_ldap_init(void)
6322 {
6323 NTSTATUS nt_status;
6324 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6325 return nt_status;
6326
6327 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6328 return nt_status;
6329
6330 /* Let pdb_nds register backends */
6331 pdb_nds_init();
6332
6333 return NT_STATUS_OK;
6334 }
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