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Fix bug 5886
[Samba.git] / source / passdb / pdb_ldap.c
blob73f3e87cf06b4c01afb47f7052a9be9d6c4f40da
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_smallest_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
844 if (user_dn != NULL) {
845 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
846
847 pwd_len = sizeof(clear_text_pw);
848 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
849 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
850 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
851 SAFE_FREE(user_dn);
852 return False;
853 }
854 ZERO_STRUCT(smblmpwd);
855 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
856 SAFE_FREE(user_dn);
857 return False;
858 }
859 ZERO_STRUCT(smbntpwd);
860 use_samba_attrs = False;
861 }
862
863 SAFE_FREE(user_dn);
864
865 } else {
866 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
867 }
868 }
869
870 if (use_samba_attrs) {
871 temp = smbldap_talloc_single_attribute(
872 ldap_state->smbldap_state->ldap_struct,
873 entry,
874 get_userattr_key2string(ldap_state->schema_ver,
875 LDAP_ATTR_LMPW),
876 ctx);
877 if (temp) {
878 pdb_gethexpwd(temp, smblmpwd);
879 memset((char *)temp, '\0', strlen(temp)+1);
880 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
881 goto fn_exit;
882 }
883 ZERO_STRUCT(smblmpwd);
884 }
885
886 temp = smbldap_talloc_single_attribute(
887 ldap_state->smbldap_state->ldap_struct,
888 entry,
889 get_userattr_key2string(ldap_state->schema_ver,
890 LDAP_ATTR_NTPW),
891 ctx);
892 if (temp) {
893 pdb_gethexpwd(temp, smbntpwd);
894 memset((char *)temp, '\0', strlen(temp)+1);
895 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
896 goto fn_exit;
897 }
898 ZERO_STRUCT(smbntpwd);
899 }
900 }
901
902 pwHistLen = 0;
903
904 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
905 if (pwHistLen > 0){
906 uint8 *pwhist = NULL;
907 int i;
908 char *history_string = TALLOC_ARRAY(ctx, char,
909 MAX_PW_HISTORY_LEN*64);
910
911 if (!history_string) {
912 goto fn_exit;
913 }
914
915 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
916
917 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
918 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
919 NULL){
920 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
921 goto fn_exit;
922 }
923 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
924
925 if (smbldap_get_single_attribute(
926 ldap_state->smbldap_state->ldap_struct,
927 entry,
928 get_userattr_key2string(ldap_state->schema_ver,
929 LDAP_ATTR_PWD_HISTORY),
930 history_string,
931 MAX_PW_HISTORY_LEN*64)) {
932 bool hex_failed = false;
933 for (i = 0; i < pwHistLen; i++){
934 /* Get the 16 byte salt. */
935 if (!pdb_gethexpwd(&history_string[i*64],
936 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
937 hex_failed = true;
938 break;
939 }
940 /* Get the 16 byte MD5 hash of salt+passwd. */
941 if (!pdb_gethexpwd(&history_string[(i*64)+32],
942 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
943 PW_HISTORY_SALT_LEN])) {
944 hex_failed = True;
945 break;
946 }
947 }
948 if (hex_failed) {
949 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
950 username));
951 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
952 }
953 }
954 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
955 goto fn_exit;
956 }
957 }
958
959 temp = smbldap_talloc_single_attribute(
960 ldap_state->smbldap_state->ldap_struct,
961 entry,
962 get_userattr_key2string(ldap_state->schema_ver,
963 LDAP_ATTR_ACB_INFO),
964 ctx);
965 if (temp) {
966 acct_ctrl = pdb_decode_acct_ctrl(temp);
967
968 if (acct_ctrl == 0) {
969 acct_ctrl |= ACB_NORMAL;
970 }
971
972 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
973 } else {
974 acct_ctrl |= ACB_NORMAL;
975 }
976
977 pdb_set_hours_len(sampass, hours_len, PDB_SET);
978 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
979
980 temp = smbldap_talloc_single_attribute(
981 ldap_state->smbldap_state->ldap_struct,
982 entry,
983 get_userattr_key2string(ldap_state->schema_ver,
984 LDAP_ATTR_BAD_PASSWORD_COUNT),
985 ctx);
986 if (temp) {
987 bad_password_count = (uint32) atol(temp);
988 pdb_set_bad_password_count(sampass,
989 bad_password_count, PDB_SET);
990 }
991
992 temp = smbldap_talloc_single_attribute(
993 ldap_state->smbldap_state->ldap_struct,
994 entry,
995 get_userattr_key2string(ldap_state->schema_ver,
996 LDAP_ATTR_BAD_PASSWORD_TIME),
997 ctx);
998 if (temp) {
999 bad_password_time = (time_t) atol(temp);
1000 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1001 }
1002
1003
1004 temp = smbldap_talloc_single_attribute(
1005 ldap_state->smbldap_state->ldap_struct,
1006 entry,
1007 get_userattr_key2string(ldap_state->schema_ver,
1008 LDAP_ATTR_LOGON_COUNT),
1009 ctx);
1010 if (temp) {
1011 logon_count = (uint32) atol(temp);
1012 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1013 }
1014
1015 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1016
1017 temp = smbldap_talloc_single_attribute(
1018 ldap_state->smbldap_state->ldap_struct,
1019 entry,
1020 get_userattr_key2string(ldap_state->schema_ver,
1021 LDAP_ATTR_LOGON_HOURS),
1022 ctx);
1023 if (temp) {
1024 pdb_gethexhours(temp, hours);
1025 memset((char *)temp, '\0', strlen(temp) +1);
1026 pdb_set_hours(sampass, hours, PDB_SET);
1027 ZERO_STRUCT(hours);
1028 }
1029
1030 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1031 temp = smbldap_talloc_single_attribute(
1032 priv2ld(ldap_state),
1033 entry,
1034 "uidNumber",
1035 ctx);
1036 if (temp) {
1037 /* We've got a uid, feed the cache */
1038 uid_t uid = strtoul(temp, NULL, 10);
1039 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1040 }
1041 }
1042
1043 /* check the timestamp of the cache vs ldap entry */
1044 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1045 entry))) {
1046 ret = true;
1047 goto fn_exit;
1048 }
1049
1050 /* see if we have newer updates */
1051 if (!(cache_entry = login_cache_read(sampass))) {
1052 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1053 (unsigned int)pdb_get_bad_password_count(sampass),
1054 (unsigned int)pdb_get_bad_password_time(sampass)));
1055 ret = true;
1056 goto fn_exit;
1057 }
1058
1059 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1060 (unsigned int)ldap_entry_time,
1061 (unsigned int)cache_entry->entry_timestamp,
1062 (unsigned int)cache_entry->bad_password_time));
1063
1064 if (ldap_entry_time > cache_entry->entry_timestamp) {
1065 /* cache is older than directory , so
1066 we need to delete the entry but allow the
1067 fields to be written out */
1068 login_cache_delentry(sampass);
1069 } else {
1070 /* read cache in */
1071 pdb_set_acct_ctrl(sampass,
1072 pdb_get_acct_ctrl(sampass) |
1073 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1074 PDB_SET);
1075 pdb_set_bad_password_count(sampass,
1076 cache_entry->bad_password_count,
1077 PDB_SET);
1078 pdb_set_bad_password_time(sampass,
1079 cache_entry->bad_password_time,
1080 PDB_SET);
1081 }
1082
1083 ret = true;
1084
1085 fn_exit:
1086
1087 TALLOC_FREE(ctx);
1088 SAFE_FREE(cache_entry);
1089 return ret;
1090 }
1091
1092 /**********************************************************************
1093 Initialize the ldap db from a struct samu. Called on update.
1094 (Based on init_buffer_from_sam in pdb_tdb.c)
1095 *********************************************************************/
1096
1097 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1098 LDAPMessage *existing,
1099 LDAPMod *** mods, struct samu * sampass,
1100 bool (*need_update)(const struct samu *,
1101 enum pdb_elements))
1102 {
1103 char *temp = NULL;
1104 uint32 rid;
1105
1106 if (mods == NULL || sampass == NULL) {
1107 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1108 return False;
1109 }
1110
1111 *mods = NULL;
1112
1113 /*
1114 * took out adding "objectclass: sambaAccount"
1115 * do this on a per-mod basis
1116 */
1117 if (need_update(sampass, PDB_USERNAME)) {
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 "uid", pdb_get_username(sampass));
1120 if (ldap_state->is_nds_ldap) {
1121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1122 "cn", pdb_get_username(sampass));
1123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1124 "sn", pdb_get_username(sampass));
1125 }
1126 }
1127
1128 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1129
1130 /* only update the RID if we actually need to */
1131 if (need_update(sampass, PDB_USERSID)) {
1132 fstring sid_string;
1133 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1134
1135 switch ( ldap_state->schema_ver ) {
1136 case SCHEMAVER_SAMBAACCOUNT:
1137 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1138 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1139 sid_string_dbg(user_sid),
1140 sid_string_dbg(
1141 &ldap_state->domain_sid)));
1142 return False;
1143 }
1144 if (asprintf(&temp, "%i", rid) < 0) {
1145 return false;
1146 }
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1149 temp);
1150 SAFE_FREE(temp);
1151 break;
1152
1153 case SCHEMAVER_SAMBASAMACCOUNT:
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1156 sid_to_fstring(sid_string, user_sid));
1157 break;
1158
1159 default:
1160 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1161 break;
1162 }
1163 }
1164
1165 /* we don't need to store the primary group RID - so leaving it
1166 'free' to hang off the unix primary group makes life easier */
1167
1168 if (need_update(sampass, PDB_GROUPSID)) {
1169 fstring sid_string;
1170 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1171
1172 switch ( ldap_state->schema_ver ) {
1173 case SCHEMAVER_SAMBAACCOUNT:
1174 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1175 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1176 sid_string_dbg(group_sid),
1177 sid_string_dbg(
1178 &ldap_state->domain_sid)));
1179 return False;
1180 }
1181
1182 if (asprintf(&temp, "%i", rid) < 0) {
1183 return false;
1184 }
1185 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1188 SAFE_FREE(temp);
1189 break;
1190
1191 case SCHEMAVER_SAMBASAMACCOUNT:
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 get_userattr_key2string(ldap_state->schema_ver,
1194 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1195 break;
1196
1197 default:
1198 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1199 break;
1200 }
1201
1202 }
1203
1204 /* displayName, cn, and gecos should all be the same
1205 * most easily accomplished by giving them the same OID
1206 * gecos isn't set here b/c it should be handled by the
1207 * add-user script
1208 * We change displayName only and fall back to cn if
1209 * it does not exist.
1210 */
1211
1212 if (need_update(sampass, PDB_FULLNAME))
1213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1214 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1215 pdb_get_fullname(sampass));
1216
1217 if (need_update(sampass, PDB_ACCTDESC))
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1220 pdb_get_acct_desc(sampass));
1221
1222 if (need_update(sampass, PDB_WORKSTATIONS))
1223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1224 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1225 pdb_get_workstations(sampass));
1226
1227 if (need_update(sampass, PDB_MUNGEDDIAL))
1228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1229 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1230 pdb_get_munged_dial(sampass));
1231
1232 if (need_update(sampass, PDB_SMBHOME))
1233 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1234 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1235 pdb_get_homedir(sampass));
1236
1237 if (need_update(sampass, PDB_DRIVE))
1238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1239 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1240 pdb_get_dir_drive(sampass));
1241
1242 if (need_update(sampass, PDB_LOGONSCRIPT))
1243 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1244 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1245 pdb_get_logon_script(sampass));
1246
1247 if (need_update(sampass, PDB_PROFILE))
1248 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1249 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1250 pdb_get_profile_path(sampass));
1251
1252 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1253 return false;
1254 }
1255 if (need_update(sampass, PDB_LOGONTIME))
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1258 SAFE_FREE(temp);
1259
1260 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1261 return false;
1262 }
1263 if (need_update(sampass, PDB_LOGOFFTIME))
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1266 SAFE_FREE(temp);
1267
1268 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1269 return false;
1270 }
1271 if (need_update(sampass, PDB_KICKOFFTIME))
1272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1274 SAFE_FREE(temp);
1275
1276 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1277 return false;
1278 }
1279 if (need_update(sampass, PDB_CANCHANGETIME))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1282 SAFE_FREE(temp);
1283
1284 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1285 return false;
1286 }
1287 if (need_update(sampass, PDB_MUSTCHANGETIME))
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1290 SAFE_FREE(temp);
1291
1292 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1293 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1294
1295 if (need_update(sampass, PDB_LMPASSWD)) {
1296 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1297 if (lm_pw) {
1298 char pwstr[34];
1299 pdb_sethexpwd(pwstr, lm_pw,
1300 pdb_get_acct_ctrl(sampass));
1301 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1302 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1303 pwstr);
1304 } else {
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1307 NULL);
1308 }
1309 }
1310 if (need_update(sampass, PDB_NTPASSWD)) {
1311 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1312 if (nt_pw) {
1313 char pwstr[34];
1314 pdb_sethexpwd(pwstr, nt_pw,
1315 pdb_get_acct_ctrl(sampass));
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1318 pwstr);
1319 } else {
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1322 NULL);
1323 }
1324 }
1325
1326 if (need_update(sampass, PDB_PWHISTORY)) {
1327 char *pwstr = NULL;
1328 uint32 pwHistLen = 0;
1329 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1330
1331 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1332 if (!pwstr) {
1333 return false;
1334 }
1335 if (pwHistLen == 0) {
1336 /* Remove any password history from the LDAP store. */
1337 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1338 pwstr[64] = '\0';
1339 } else {
1340 int i;
1341 uint32 currHistLen = 0;
1342 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1343 if (pwhist != NULL) {
1344 /* We can only store (1024-1/64 password history entries. */
1345 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1346 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1347 /* Store the salt. */
1348 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1349 /* Followed by the md5 hash of salt + md4 hash */
1350 pdb_sethexpwd(&pwstr[(i*64)+32],
1351 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1352 DEBUG(100, ("pwstr=%s\n", pwstr));
1353 }
1354 }
1355 }
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1358 pwstr);
1359 SAFE_FREE(pwstr);
1360 }
1361
1362 if (need_update(sampass, PDB_PASSLASTSET)) {
1363 if (asprintf(&temp, "%li",
1364 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1365 return false;
1366 }
1367 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1368 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1369 temp);
1370 SAFE_FREE(temp);
1371 }
1372 }
1373
1374 if (need_update(sampass, PDB_HOURS)) {
1375 const uint8 *hours = pdb_get_hours(sampass);
1376 if (hours) {
1377 char hourstr[44];
1378 pdb_sethexhours(hourstr, hours);
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1380 existing,
1381 mods,
1382 get_userattr_key2string(ldap_state->schema_ver,
1383 LDAP_ATTR_LOGON_HOURS),
1384 hourstr);
1385 }
1386 }
1387
1388 if (need_update(sampass, PDB_ACCTCTRL))
1389 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1390 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1391 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1392
1393 /* password lockout cache:
1394 - If we are now autolocking or clearing, we write to ldap
1395 - If we are clearing, we delete the cache entry
1396 - If the count is > 0, we update the cache
1397
1398 This even means when autolocking, we cache, just in case the
1399 update doesn't work, and we have to cache the autolock flag */
1400
1401 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1402 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1403 uint16 badcount = pdb_get_bad_password_count(sampass);
1404 time_t badtime = pdb_get_bad_password_time(sampass);
1405 uint32 pol;
1406 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1407
1408 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1409 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1410
1411 if ((badcount >= pol) || (badcount == 0)) {
1412 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1413 (unsigned int)badcount, (unsigned int)badtime));
1414 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1415 return false;
1416 }
1417 smbldap_make_mod(
1418 ldap_state->smbldap_state->ldap_struct,
1419 existing, mods,
1420 get_userattr_key2string(
1421 ldap_state->schema_ver,
1422 LDAP_ATTR_BAD_PASSWORD_COUNT),
1423 temp);
1424 SAFE_FREE(temp);
1425
1426 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1427 return false;
1428 }
1429 smbldap_make_mod(
1430 ldap_state->smbldap_state->ldap_struct,
1431 existing, mods,
1432 get_userattr_key2string(
1433 ldap_state->schema_ver,
1434 LDAP_ATTR_BAD_PASSWORD_TIME),
1435 temp);
1436 SAFE_FREE(temp);
1437 }
1438 if (badcount == 0) {
1439 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1440 login_cache_delentry(sampass);
1441 } else {
1442 LOGIN_CACHE cache_entry;
1443
1444 cache_entry.entry_timestamp = time(NULL);
1445 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1446 cache_entry.bad_password_count = badcount;
1447 cache_entry.bad_password_time = badtime;
1448
1449 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1450 login_cache_write(sampass, cache_entry);
1451 }
1452 }
1453
1454 return True;
1455 }
1456
1457 /**********************************************************************
1458 End enumeration of the LDAP password list.
1459 *********************************************************************/
1460
1461 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1462 {
1463 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1464 if (ldap_state->result) {
1465 ldap_msgfree(ldap_state->result);
1466 ldap_state->result = NULL;
1467 }
1468 }
1469
1470 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1471 const char *new_attr)
1472 {
1473 int i;
1474
1475 if (new_attr == NULL) {
1476 return;
1477 }
1478
1479 for (i=0; (*attr_list)[i] != NULL; i++) {
1480 ;
1481 }
1482
1483 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1484 const char *, i+2);
1485 SMB_ASSERT((*attr_list) != NULL);
1486 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1487 (*attr_list)[i+1] = NULL;
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 append_attr(user, &attr_list, "uidNumber");
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const DOM_SID *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32 rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 append_attr(tmp_ctx, &attr_list, "uidNumber");
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 case SCHEMAVER_SAMBAACCOUNT:
1576 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1577 return rc;
1578 }
1579
1580 attr_list = get_userattr_list(NULL,
1581 ldap_state->schema_ver);
1582 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1583 TALLOC_FREE( attr_list );
1584
1585 if ( rc != LDAP_SUCCESS )
1586 return rc;
1587 break;
1588 }
1589 return rc;
1590 }
1591
1592 /**********************************************************************
1593 Get struct samu entry from LDAP by SID.
1594 *********************************************************************/
1595
1596 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1597 {
1598 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1599 LDAPMessage *result = NULL;
1600 LDAPMessage *entry = NULL;
1601 int count;
1602 int rc;
1603
1604 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1605 sid, &result);
1606 if (rc != LDAP_SUCCESS)
1607 return NT_STATUS_NO_SUCH_USER;
1608
1609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1610
1611 if (count < 1) {
1612 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1613 "count=%d\n", sid_string_dbg(sid), count));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 } else if (count > 1) {
1617 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1618 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1619 count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (!entry) {
1626 ldap_msgfree(result);
1627 return NT_STATUS_NO_SUCH_USER;
1628 }
1629
1630 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1631 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1632 ldap_msgfree(result);
1633 return NT_STATUS_NO_SUCH_USER;
1634 }
1635
1636 pdb_set_backend_private_data(user, result, NULL,
1637 my_methods, PDB_CHANGED);
1638 talloc_autofree_ldapmsg(user, result);
1639 return NT_STATUS_OK;
1640 }
1641
1642 /********************************************************************
1643 Do the actual modification - also change a plaintext passord if
1644 it it set.
1645 **********************************************************************/
1646
1647 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1648 struct samu *newpwd, char *dn,
1649 LDAPMod **mods, int ldap_op,
1650 bool (*need_update)(const struct samu *, enum pdb_elements))
1651 {
1652 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1653 int rc;
1654
1655 if (!newpwd || !dn) {
1656 return NT_STATUS_INVALID_PARAMETER;
1657 }
1658
1659 if (!mods) {
1660 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1661 /* may be password change below however */
1662 } else {
1663 switch(ldap_op) {
1664 case LDAP_MOD_ADD:
1665 if (ldap_state->is_nds_ldap) {
1666 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1667 "objectclass",
1668 "inetOrgPerson");
1669 } else {
1670 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1671 "objectclass",
1672 LDAP_OBJ_ACCOUNT);
1673 }
1674 rc = smbldap_add(ldap_state->smbldap_state,
1675 dn, mods);
1676 break;
1677 case LDAP_MOD_REPLACE:
1678 rc = smbldap_modify(ldap_state->smbldap_state,
1679 dn ,mods);
1680 break;
1681 default:
1682 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1683 ldap_op));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 if (rc!=LDAP_SUCCESS) {
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690 }
1691
1692 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1693 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1694 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1695 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1696 BerElement *ber;
1697 struct berval *bv;
1698 char *retoid = NULL;
1699 struct berval *retdata = NULL;
1700 char *utf8_password;
1701 char *utf8_dn;
1702 size_t converted_size;
1703 int ret;
1704
1705 if (!ldap_state->is_nds_ldap) {
1706
1707 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1708 LDAP_EXOP_MODIFY_PASSWD)) {
1709 DEBUG(2, ("ldap password change requested, but LDAP "
1710 "server does not support it -- ignoring\n"));
1711 return NT_STATUS_OK;
1712 }
1713 }
1714
1715 if (!push_utf8_allocate(&utf8_password,
1716 pdb_get_plaintext_passwd(newpwd),
1717 &converted_size))
1718 {
1719 return NT_STATUS_NO_MEMORY;
1720 }
1721
1722 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1723 SAFE_FREE(utf8_password);
1724 return NT_STATUS_NO_MEMORY;
1725 }
1726
1727 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1728 DEBUG(0,("ber_alloc_t returns NULL\n"));
1729 SAFE_FREE(utf8_password);
1730 SAFE_FREE(utf8_dn);
1731 return NT_STATUS_UNSUCCESSFUL;
1732 }
1733
1734 if ((ber_printf (ber, "{") < 0) ||
1735 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1736 utf8_dn) < 0)) {
1737 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1738 "value <0\n"));
1739 ber_free(ber,1);
1740 SAFE_FREE(utf8_dn);
1741 SAFE_FREE(utf8_password);
1742 return NT_STATUS_UNSUCCESSFUL;
1743 }
1744
1745 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1746 ret = ber_printf(ber, "ts}",
1747 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1748 utf8_password);
1749 } else {
1750 ret = ber_printf(ber, "}");
1751 }
1752
1753 if (ret < 0) {
1754 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1755 "value <0\n"));
1756 ber_free(ber,1);
1757 SAFE_FREE(utf8_dn);
1758 SAFE_FREE(utf8_password);
1759 return NT_STATUS_UNSUCCESSFUL;
1760 }
1761
1762 if ((rc = ber_flatten (ber, &bv))<0) {
1763 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1764 ber_free(ber,1);
1765 SAFE_FREE(utf8_dn);
1766 SAFE_FREE(utf8_password);
1767 return NT_STATUS_UNSUCCESSFUL;
1768 }
1769
1770 SAFE_FREE(utf8_dn);
1771 SAFE_FREE(utf8_password);
1772 ber_free(ber, 1);
1773
1774 if (!ldap_state->is_nds_ldap) {
1775 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1776 LDAP_EXOP_MODIFY_PASSWD,
1777 bv, NULL, NULL, &retoid,
1778 &retdata);
1779 } else {
1780 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1781 pdb_get_plaintext_passwd(newpwd));
1782 }
1783 if (rc != LDAP_SUCCESS) {
1784 char *ld_error = NULL;
1785
1786 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1787 DEBUG(3, ("Could not set userPassword "
1788 "attribute due to an objectClass "
1789 "violation -- ignoring\n"));
1790 ber_bvfree(bv);
1791 return NT_STATUS_OK;
1792 }
1793
1794 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1795 &ld_error);
1796 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1797 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1798 SAFE_FREE(ld_error);
1799 ber_bvfree(bv);
1800 #if defined(LDAP_CONSTRAINT_VIOLATION)
1801 if (rc == LDAP_CONSTRAINT_VIOLATION)
1802 return NT_STATUS_PASSWORD_RESTRICTION;
1803 #endif
1804 return NT_STATUS_UNSUCCESSFUL;
1805 } else {
1806 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1807 #ifdef DEBUG_PASSWORD
1808 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1809 #endif
1810 if (retdata)
1811 ber_bvfree(retdata);
1812 if (retoid)
1813 ldap_memfree(retoid);
1814 }
1815 ber_bvfree(bv);
1816 }
1817 return NT_STATUS_OK;
1818 }
1819
1820 /**********************************************************************
1821 Delete entry from LDAP for username.
1822 *********************************************************************/
1823
1824 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1825 struct samu * sam_acct)
1826 {
1827 struct ldapsam_privates *priv =
1828 (struct ldapsam_privates *)my_methods->private_data;
1829 const char *sname;
1830 int rc;
1831 LDAPMessage *msg, *entry;
1832 NTSTATUS result = NT_STATUS_NO_MEMORY;
1833 const char **attr_list;
1834 TALLOC_CTX *mem_ctx;
1835
1836 if (!sam_acct) {
1837 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1838 return NT_STATUS_INVALID_PARAMETER;
1839 }
1840
1841 sname = pdb_get_username(sam_acct);
1842
1843 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1844 "LDAP.\n", sname));
1845
1846 mem_ctx = talloc_new(NULL);
1847 if (mem_ctx == NULL) {
1848 DEBUG(0, ("talloc_new failed\n"));
1849 goto done;
1850 }
1851
1852 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1853 if (attr_list == NULL) {
1854 goto done;
1855 }
1856
1857 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1858
1859 if ((rc != LDAP_SUCCESS) ||
1860 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1861 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1862 DEBUG(5, ("Could not find user %s\n", sname));
1863 result = NT_STATUS_NO_SUCH_USER;
1864 goto done;
1865 }
1866
1867 rc = ldapsam_delete_entry(
1868 priv, mem_ctx, entry,
1869 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1870 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1871 attr_list);
1872
1873 result = (rc == LDAP_SUCCESS) ?
1874 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1875
1876 done:
1877 TALLOC_FREE(mem_ctx);
1878 return result;
1879 }
1880
1881 /**********************************************************************
1882 Helper function to determine for update_sam_account whether
1883 we need LDAP modification.
1884 *********************************************************************/
1885
1886 static bool element_is_changed(const struct samu *sampass,
1887 enum pdb_elements element)
1888 {
1889 return IS_SAM_CHANGED(sampass, element);
1890 }
1891
1892 /**********************************************************************
1893 Update struct samu.
1894 *********************************************************************/
1895
1896 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1897 {
1898 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1899 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1900 int rc = 0;
1901 char *dn;
1902 LDAPMessage *result = NULL;
1903 LDAPMessage *entry = NULL;
1904 LDAPMod **mods = NULL;
1905 const char **attr_list;
1906
1907 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1908 if (!result) {
1909 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1910 if (pdb_get_username(newpwd) == NULL) {
1911 return NT_STATUS_INVALID_PARAMETER;
1912 }
1913 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1914 TALLOC_FREE( attr_list );
1915 if (rc != LDAP_SUCCESS) {
1916 return NT_STATUS_UNSUCCESSFUL;
1917 }
1918 pdb_set_backend_private_data(newpwd, result, NULL,
1919 my_methods, PDB_CHANGED);
1920 talloc_autofree_ldapmsg(newpwd, result);
1921 }
1922
1923 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1924 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1925 return NT_STATUS_UNSUCCESSFUL;
1926 }
1927
1928 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1929 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1930 if (!dn) {
1931 return NT_STATUS_UNSUCCESSFUL;
1932 }
1933
1934 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1935
1936 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1937 element_is_changed)) {
1938 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1939 SAFE_FREE(dn);
1940 if (mods != NULL)
1941 ldap_mods_free(mods,True);
1942 return NT_STATUS_UNSUCCESSFUL;
1943 }
1944
1945 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1946 && (mods == NULL)) {
1947 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1948 pdb_get_username(newpwd)));
1949 SAFE_FREE(dn);
1950 return NT_STATUS_OK;
1951 }
1952
1953 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1954
1955 if (mods != NULL) {
1956 ldap_mods_free(mods,True);
1957 }
1958
1959 SAFE_FREE(dn);
1960
1961 /*
1962 * We need to set the backend private data to NULL here. For example
1963 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1964 * same one, and with the explicit delete / add logic for attribute
1965 * values the second time we would use the wrong "old" value which
1966 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1967 * the update.
1968 * The existing LDAPMessage is still being auto-freed by the
1969 * destructor.
1970 */
1971 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1972 PDB_CHANGED);
1973
1974 if (!NT_STATUS_IS_OK(ret)) {
1975 return ret;
1976 }
1977
1978 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1979 pdb_get_username(newpwd)));
1980 return NT_STATUS_OK;
1981 }
1982
1983 /***************************************************************************
1984 Renames a struct samu
1985 - The "rename user script" has full responsibility for changing everything
1986 ***************************************************************************/
1987
1988 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1989 struct samu *old_acct,
1990 const char *newname)
1991 {
1992 const char *oldname;
1993 int rc;
1994 char *rename_script = NULL;
1995 fstring oldname_lower, newname_lower;
1996
1997 if (!old_acct) {
1998 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1999 return NT_STATUS_INVALID_PARAMETER;
2000 }
2001 if (!newname) {
2002 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2003 return NT_STATUS_INVALID_PARAMETER;
2004 }
2005
2006 oldname = pdb_get_username(old_acct);
2007
2008 /* rename the posix user */
2009 rename_script = SMB_STRDUP(lp_renameuser_script());
2010 if (rename_script == NULL) {
2011 return NT_STATUS_NO_MEMORY;
2012 }
2013
2014 if (!(*rename_script)) {
2015 SAFE_FREE(rename_script);
2016 return NT_STATUS_ACCESS_DENIED;
2017 }
2018
2019 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2020 oldname, newname));
2021
2022 /* We have to allow the account name to end with a '$'.
2023 Also, follow the semantics in _samr_create_user() and lower case the
2024 posix name but preserve the case in passdb */
2025
2026 fstrcpy( oldname_lower, oldname );
2027 strlower_m( oldname_lower );
2028 fstrcpy( newname_lower, newname );
2029 strlower_m( newname_lower );
2030 rename_script = realloc_string_sub2(rename_script,
2031 "%unew",
2032 newname_lower,
2033 true,
2034 true);
2035 if (!rename_script) {
2036 return NT_STATUS_NO_MEMORY;
2037 }
2038 rename_script = realloc_string_sub2(rename_script,
2039 "%uold",
2040 oldname_lower,
2041 true,
2042 true);
2043 rc = smbrun(rename_script, NULL);
2044
2045 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2046 rename_script, rc));
2047
2048 SAFE_FREE(rename_script);
2049
2050 if (rc == 0) {
2051 smb_nscd_flush_user_cache();
2052 }
2053
2054 if (rc)
2055 return NT_STATUS_UNSUCCESSFUL;
2056
2057 return NT_STATUS_OK;
2058 }
2059
2060 /**********************************************************************
2061 Helper function to determine for update_sam_account whether
2062 we need LDAP modification.
2063 *********************************************************************/
2064
2065 static bool element_is_set_or_changed(const struct samu *sampass,
2066 enum pdb_elements element)
2067 {
2068 return (IS_SAM_SET(sampass, element) ||
2069 IS_SAM_CHANGED(sampass, element));
2070 }
2071
2072 /**********************************************************************
2073 Add struct samu to LDAP.
2074 *********************************************************************/
2075
2076 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2077 {
2078 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2079 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2080 int rc;
2081 LDAPMessage *result = NULL;
2082 LDAPMessage *entry = NULL;
2083 LDAPMod **mods = NULL;
2084 int ldap_op = LDAP_MOD_REPLACE;
2085 uint32 num_result;
2086 const char **attr_list;
2087 char *escape_user = NULL;
2088 const char *username = pdb_get_username(newpwd);
2089 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2090 char *filter = NULL;
2091 char *dn = NULL;
2092 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2093 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2094
2095 if (!ctx) {
2096 return NT_STATUS_NO_MEMORY;
2097 }
2098
2099 if (!username || !*username) {
2100 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2101 status = NT_STATUS_INVALID_PARAMETER;
2102 goto fn_exit;
2103 }
2104
2105 /* free this list after the second search or in case we exit on failure */
2106 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2107
2108 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2109
2110 if (rc != LDAP_SUCCESS) {
2111 goto fn_exit;
2112 }
2113
2114 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2115 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2116 username));
2117 goto fn_exit;
2118 }
2119 ldap_msgfree(result);
2120 result = NULL;
2121
2122 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2123 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2124 sid, &result);
2125 if (rc == LDAP_SUCCESS) {
2126 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2127 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2128 "already in the base, with samba "
2129 "attributes\n", sid_string_dbg(sid)));
2130 goto fn_exit;
2131 }
2132 ldap_msgfree(result);
2133 result = NULL;
2134 }
2135 }
2136
2137 /* does the entry already exist but without a samba attributes?
2138 we need to return the samba attributes here */
2139
2140 escape_user = escape_ldap_string_alloc( username );
2141 filter = talloc_strdup(attr_list, "(uid=%u)");
2142 if (!filter) {
2143 status = NT_STATUS_NO_MEMORY;
2144 goto fn_exit;
2145 }
2146 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2147 if (!filter) {
2148 status = NT_STATUS_NO_MEMORY;
2149 goto fn_exit;
2150 }
2151 SAFE_FREE(escape_user);
2152
2153 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2154 filter, attr_list, &result);
2155 if ( rc != LDAP_SUCCESS ) {
2156 goto fn_exit;
2157 }
2158
2159 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2160
2161 if (num_result > 1) {
2162 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2163 goto fn_exit;
2164 }
2165
2166 /* Check if we need to update an existing entry */
2167 if (num_result == 1) {
2168 char *tmp;
2169
2170 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2171 ldap_op = LDAP_MOD_REPLACE;
2172 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2173 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2174 if (!tmp) {
2175 goto fn_exit;
2176 }
2177 dn = talloc_asprintf(ctx, "%s", tmp);
2178 SAFE_FREE(tmp);
2179 if (!dn) {
2180 status = NT_STATUS_NO_MEMORY;
2181 goto fn_exit;
2182 }
2183
2184 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2185
2186 /* There might be a SID for this account already - say an idmap entry */
2187
2188 filter = talloc_asprintf(ctx,
2189 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2190 get_userattr_key2string(ldap_state->schema_ver,
2191 LDAP_ATTR_USER_SID),
2192 sid_string_talloc(ctx, sid),
2193 LDAP_OBJ_IDMAP_ENTRY,
2194 LDAP_OBJ_SID_ENTRY);
2195 if (!filter) {
2196 status = NT_STATUS_NO_MEMORY;
2197 goto fn_exit;
2198 }
2199
2200 /* free old result before doing a new search */
2201 if (result != NULL) {
2202 ldap_msgfree(result);
2203 result = NULL;
2204 }
2205 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2206 filter, attr_list, &result);
2207
2208 if ( rc != LDAP_SUCCESS ) {
2209 goto fn_exit;
2210 }
2211
2212 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2213
2214 if (num_result > 1) {
2215 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2216 goto fn_exit;
2217 }
2218
2219 /* Check if we need to update an existing entry */
2220 if (num_result == 1) {
2221 char *tmp;
2222
2223 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2224 ldap_op = LDAP_MOD_REPLACE;
2225 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2226 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2227 if (!tmp) {
2228 goto fn_exit;
2229 }
2230 dn = talloc_asprintf(ctx, "%s", tmp);
2231 SAFE_FREE(tmp);
2232 if (!dn) {
2233 status = NT_STATUS_NO_MEMORY;
2234 goto fn_exit;
2235 }
2236 }
2237 }
2238
2239 if (num_result == 0) {
2240 char *escape_username;
2241 /* Check if we need to add an entry */
2242 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2243 ldap_op = LDAP_MOD_ADD;
2244
2245 escape_username = escape_rdn_val_string_alloc(username);
2246 if (!escape_username) {
2247 status = NT_STATUS_NO_MEMORY;
2248 goto fn_exit;
2249 }
2250
2251 if (username[strlen(username)-1] == '$') {
2252 dn = talloc_asprintf(ctx,
2253 "uid=%s,%s",
2254 escape_username,
2255 lp_ldap_machine_suffix());
2256 } else {
2257 dn = talloc_asprintf(ctx,
2258 "uid=%s,%s",
2259 escape_username,
2260 lp_ldap_user_suffix());
2261 }
2262
2263 SAFE_FREE(escape_username);
2264 if (!dn) {
2265 status = NT_STATUS_NO_MEMORY;
2266 goto fn_exit;
2267 }
2268 }
2269
2270 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2271 element_is_set_or_changed)) {
2272 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2273 if (mods != NULL) {
2274 ldap_mods_free(mods, true);
2275 }
2276 goto fn_exit;
2277 }
2278
2279 if (mods == NULL) {
2280 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2281 goto fn_exit;
2282 }
2283 switch ( ldap_state->schema_ver ) {
2284 case SCHEMAVER_SAMBAACCOUNT:
2285 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2286 break;
2287 case SCHEMAVER_SAMBASAMACCOUNT:
2288 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2289 break;
2290 default:
2291 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2292 break;
2293 }
2294
2295 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2296 if (!NT_STATUS_IS_OK(ret)) {
2297 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2298 pdb_get_username(newpwd),dn));
2299 ldap_mods_free(mods, true);
2300 goto fn_exit;
2301 }
2302
2303 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2304 ldap_mods_free(mods, true);
2305
2306 status = NT_STATUS_OK;
2307
2308 fn_exit:
2309
2310 TALLOC_FREE(ctx);
2311 SAFE_FREE(escape_user);
2312 if (result) {
2313 ldap_msgfree(result);
2314 }
2315 return status;
2316 }
2317
2318 /**********************************************************************
2319 *********************************************************************/
2320
2321 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2322 const char *filter,
2323 LDAPMessage ** result)
2324 {
2325 int scope = LDAP_SCOPE_SUBTREE;
2326 int rc;
2327 const char **attr_list;
2328
2329 attr_list = get_attr_list(NULL, groupmap_attr_list);
2330 rc = smbldap_search(ldap_state->smbldap_state,
2331 lp_ldap_group_suffix (), scope,
2332 filter, attr_list, 0, result);
2333 TALLOC_FREE(attr_list);
2334
2335 return rc;
2336 }
2337
2338 /**********************************************************************
2339 *********************************************************************/
2340
2341 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2342 GROUP_MAP *map, LDAPMessage *entry)
2343 {
2344 char *temp = NULL;
2345 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2346
2347 if (ldap_state == NULL || map == NULL || entry == NULL ||
2348 ldap_state->smbldap_state->ldap_struct == NULL) {
2349 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2350 TALLOC_FREE(ctx);
2351 return false;
2352 }
2353
2354 temp = smbldap_talloc_single_attribute(
2355 ldap_state->smbldap_state->ldap_struct,
2356 entry,
2357 get_attr_key2string(groupmap_attr_list,
2358 LDAP_ATTR_GIDNUMBER),
2359 ctx);
2360 if (!temp) {
2361 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2362 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2363 TALLOC_FREE(ctx);
2364 return false;
2365 }
2366 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2367
2368 map->gid = (gid_t)atol(temp);
2369
2370 TALLOC_FREE(temp);
2371 temp = smbldap_talloc_single_attribute(
2372 ldap_state->smbldap_state->ldap_struct,
2373 entry,
2374 get_attr_key2string(groupmap_attr_list,
2375 LDAP_ATTR_GROUP_SID),
2376 ctx);
2377 if (!temp) {
2378 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2379 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2380 TALLOC_FREE(ctx);
2381 return false;
2382 }
2383
2384 if (!string_to_sid(&map->sid, temp)) {
2385 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2386 TALLOC_FREE(ctx);
2387 return false;
2388 }
2389
2390 TALLOC_FREE(temp);
2391 temp = smbldap_talloc_single_attribute(
2392 ldap_state->smbldap_state->ldap_struct,
2393 entry,
2394 get_attr_key2string(groupmap_attr_list,
2395 LDAP_ATTR_GROUP_TYPE),
2396 ctx);
2397 if (!temp) {
2398 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2399 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2400 TALLOC_FREE(ctx);
2401 return false;
2402 }
2403 map->sid_name_use = (enum lsa_SidType)atol(temp);
2404
2405 if ((map->sid_name_use < SID_NAME_USER) ||
2406 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2407 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2408 TALLOC_FREE(ctx);
2409 return false;
2410 }
2411
2412 TALLOC_FREE(temp);
2413 temp = smbldap_talloc_single_attribute(
2414 ldap_state->smbldap_state->ldap_struct,
2415 entry,
2416 get_attr_key2string(groupmap_attr_list,
2417 LDAP_ATTR_DISPLAY_NAME),
2418 ctx);
2419 if (!temp) {
2420 temp = smbldap_talloc_single_attribute(
2421 ldap_state->smbldap_state->ldap_struct,
2422 entry,
2423 get_attr_key2string(groupmap_attr_list,
2424 LDAP_ATTR_CN),
2425 ctx);
2426 if (!temp) {
2427 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2428 for gidNumber(%lu)\n",(unsigned long)map->gid));
2429 TALLOC_FREE(ctx);
2430 return false;
2431 }
2432 }
2433 fstrcpy(map->nt_name, temp);
2434
2435 TALLOC_FREE(temp);
2436 temp = smbldap_talloc_single_attribute(
2437 ldap_state->smbldap_state->ldap_struct,
2438 entry,
2439 get_attr_key2string(groupmap_attr_list,
2440 LDAP_ATTR_DESC),
2441 ctx);
2442 if (!temp) {
2443 temp = talloc_strdup(ctx, "");
2444 if (!temp) {
2445 TALLOC_FREE(ctx);
2446 return false;
2447 }
2448 }
2449 fstrcpy(map->comment, temp);
2450
2451 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2452 store_gid_sid_cache(&map->sid, map->gid);
2453 }
2454
2455 TALLOC_FREE(ctx);
2456 return true;
2457 }
2458
2459 /**********************************************************************
2460 *********************************************************************/
2461
2462 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2463 const char *filter,
2464 GROUP_MAP *map)
2465 {
2466 struct ldapsam_privates *ldap_state =
2467 (struct ldapsam_privates *)methods->private_data;
2468 LDAPMessage *result = NULL;
2469 LDAPMessage *entry = NULL;
2470 int count;
2471
2472 if (ldapsam_search_one_group(ldap_state, filter, &result)
2473 != LDAP_SUCCESS) {
2474 return NT_STATUS_NO_SUCH_GROUP;
2475 }
2476
2477 count = ldap_count_entries(priv2ld(ldap_state), result);
2478
2479 if (count < 1) {
2480 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2481 "%s\n", filter));
2482 ldap_msgfree(result);
2483 return NT_STATUS_NO_SUCH_GROUP;
2484 }
2485
2486 if (count > 1) {
2487 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2488 "count=%d\n", filter, count));
2489 ldap_msgfree(result);
2490 return NT_STATUS_NO_SUCH_GROUP;
2491 }
2492
2493 entry = ldap_first_entry(priv2ld(ldap_state), result);
2494
2495 if (!entry) {
2496 ldap_msgfree(result);
2497 return NT_STATUS_UNSUCCESSFUL;
2498 }
2499
2500 if (!init_group_from_ldap(ldap_state, map, entry)) {
2501 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2502 "group filter %s\n", filter));
2503 ldap_msgfree(result);
2504 return NT_STATUS_NO_SUCH_GROUP;
2505 }
2506
2507 ldap_msgfree(result);
2508 return NT_STATUS_OK;
2509 }
2510
2511 /**********************************************************************
2512 *********************************************************************/
2513
2514 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2515 DOM_SID sid)
2516 {
2517 char *filter = NULL;
2518 NTSTATUS status;
2519 fstring tmp;
2520
2521 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2522 LDAP_OBJ_GROUPMAP,
2523 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2524 sid_to_fstring(tmp, &sid)) < 0) {
2525 return NT_STATUS_NO_MEMORY;
2526 }
2527
2528 status = ldapsam_getgroup(methods, filter, map);
2529 SAFE_FREE(filter);
2530 return status;
2531 }
2532
2533 /**********************************************************************
2534 *********************************************************************/
2535
2536 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2537 gid_t gid)
2538 {
2539 char *filter = NULL;
2540 NTSTATUS status;
2541
2542 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2543 LDAP_OBJ_GROUPMAP,
2544 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2545 (unsigned long)gid) < 0) {
2546 return NT_STATUS_NO_MEMORY;
2547 }
2548
2549 status = ldapsam_getgroup(methods, filter, map);
2550 SAFE_FREE(filter);
2551 return status;
2552 }
2553
2554 /**********************************************************************
2555 *********************************************************************/
2556
2557 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2558 const char *name)
2559 {
2560 char *filter = NULL;
2561 char *escape_name = escape_ldap_string_alloc(name);
2562 NTSTATUS status;
2563
2564 if (!escape_name) {
2565 return NT_STATUS_NO_MEMORY;
2566 }
2567
2568 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2569 LDAP_OBJ_GROUPMAP,
2570 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2571 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2572 escape_name) < 0) {
2573 SAFE_FREE(escape_name);
2574 return NT_STATUS_NO_MEMORY;
2575 }
2576
2577 SAFE_FREE(escape_name);
2578 status = ldapsam_getgroup(methods, filter, map);
2579 SAFE_FREE(filter);
2580 return status;
2581 }
2582
2583 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2584 LDAPMessage *entry,
2585 const DOM_SID *domain_sid,
2586 uint32 *rid)
2587 {
2588 fstring str;
2589 DOM_SID sid;
2590
2591 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2592 str, sizeof(str)-1)) {
2593 DEBUG(10, ("Could not find sambaSID attribute\n"));
2594 return False;
2595 }
2596
2597 if (!string_to_sid(&sid, str)) {
2598 DEBUG(10, ("Could not convert string %s to sid\n", str));
2599 return False;
2600 }
2601
2602 if (sid_compare_domain(&sid, domain_sid) != 0) {
2603 DEBUG(10, ("SID %s is not in expected domain %s\n",
2604 str, sid_string_dbg(domain_sid)));
2605 return False;
2606 }
2607
2608 if (!sid_peek_rid(&sid, rid)) {
2609 DEBUG(10, ("Could not peek into RID\n"));
2610 return False;
2611 }
2612
2613 return True;
2614 }
2615
2616 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2617 TALLOC_CTX *mem_ctx,
2618 const DOM_SID *group,
2619 uint32 **pp_member_rids,
2620 size_t *p_num_members)
2621 {
2622 struct ldapsam_privates *ldap_state =
2623 (struct ldapsam_privates *)methods->private_data;
2624 struct smbldap_state *conn = ldap_state->smbldap_state;
2625 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2626 const char *sid_attrs[] = { "sambaSID", NULL };
2627 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2628 LDAPMessage *result = NULL;
2629 LDAPMessage *entry;
2630 char *filter;
2631 char **values = NULL;
2632 char **memberuid;
2633 char *gidstr;
2634 int rc, count;
2635
2636 *pp_member_rids = NULL;
2637 *p_num_members = 0;
2638
2639 filter = talloc_asprintf(mem_ctx,
2640 "(&(objectClass=%s)"
2641 "(objectClass=%s)"
2642 "(sambaSID=%s))",
2643 LDAP_OBJ_POSIXGROUP,
2644 LDAP_OBJ_GROUPMAP,
2645 sid_string_talloc(mem_ctx, group));
2646 if (filter == NULL) {
2647 ret = NT_STATUS_NO_MEMORY;
2648 goto done;
2649 }
2650
2651 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2652 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2653 &result);
2654
2655 if (rc != LDAP_SUCCESS)
2656 goto done;
2657
2658 talloc_autofree_ldapmsg(mem_ctx, result);
2659
2660 count = ldap_count_entries(conn->ldap_struct, result);
2661
2662 if (count > 1) {
2663 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2664 sid_string_dbg(group)));
2665 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2666 goto done;
2667 }
2668
2669 if (count == 0) {
2670 ret = NT_STATUS_NO_SUCH_GROUP;
2671 goto done;
2672 }
2673
2674 entry = ldap_first_entry(conn->ldap_struct, result);
2675 if (entry == NULL)
2676 goto done;
2677
2678 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2679 if (!gidstr) {
2680 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2681 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2682 goto done;
2683 }
2684
2685 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2686
2687 if (values) {
2688
2689 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2690 if (filter == NULL) {
2691 ret = NT_STATUS_NO_MEMORY;
2692 goto done;
2693 }
2694
2695 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2696 char *escape_memberuid;
2697
2698 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2699 if (escape_memberuid == NULL) {
2700 ret = NT_STATUS_NO_MEMORY;
2701 goto done;
2702 }
2703
2704 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2705 if (filter == NULL) {
2706 SAFE_FREE(escape_memberuid);
2707 ret = NT_STATUS_NO_MEMORY;
2708 goto done;
2709 }
2710
2711 SAFE_FREE(escape_memberuid);
2712 }
2713
2714 filter = talloc_asprintf_append_buffer(filter, "))");
2715 if (filter == NULL) {
2716 ret = NT_STATUS_NO_MEMORY;
2717 goto done;
2718 }
2719
2720 rc = smbldap_search(conn, lp_ldap_suffix(),
2721 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2722 &result);
2723
2724 if (rc != LDAP_SUCCESS)
2725 goto done;
2726
2727 count = ldap_count_entries(conn->ldap_struct, result);
2728 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2729
2730 talloc_autofree_ldapmsg(mem_ctx, result);
2731
2732 for (entry = ldap_first_entry(conn->ldap_struct, result);
2733 entry != NULL;
2734 entry = ldap_next_entry(conn->ldap_struct, entry))
2735 {
2736 char *sidstr;
2737 DOM_SID sid;
2738 uint32 rid;
2739
2740 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2741 entry, "sambaSID",
2742 mem_ctx);
2743 if (!sidstr) {
2744 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2745 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2746 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2747 goto done;
2748 }
2749
2750 if (!string_to_sid(&sid, sidstr))
2751 goto done;
2752
2753 if (!sid_check_is_in_our_domain(&sid)) {
2754 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2755 "in our domain\n"));
2756 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2757 goto done;
2758 }
2759
2760 sid_peek_rid(&sid, &rid);
2761
2762 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2763 p_num_members)) {
2764 ret = NT_STATUS_NO_MEMORY;
2765 goto done;
2766 }
2767 }
2768 }
2769
2770 filter = talloc_asprintf(mem_ctx,
2771 "(&(objectClass=%s)"
2772 "(gidNumber=%s))",
2773 LDAP_OBJ_SAMBASAMACCOUNT,
2774 gidstr);
2775
2776 rc = smbldap_search(conn, lp_ldap_suffix(),
2777 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2778 &result);
2779
2780 if (rc != LDAP_SUCCESS)
2781 goto done;
2782
2783 talloc_autofree_ldapmsg(mem_ctx, result);
2784
2785 for (entry = ldap_first_entry(conn->ldap_struct, result);
2786 entry != NULL;
2787 entry = ldap_next_entry(conn->ldap_struct, entry))
2788 {
2789 uint32 rid;
2790
2791 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2792 entry,
2793 get_global_sam_sid(),
2794 &rid)) {
2795 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2796 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2797 goto done;
2798 }
2799
2800 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2801 p_num_members)) {
2802 ret = NT_STATUS_NO_MEMORY;
2803 goto done;
2804 }
2805 }
2806
2807 ret = NT_STATUS_OK;
2808
2809 done:
2810
2811 if (values)
2812 ldap_value_free(values);
2813
2814 return ret;
2815 }
2816
2817 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2818 TALLOC_CTX *mem_ctx,
2819 struct samu *user,
2820 DOM_SID **pp_sids,
2821 gid_t **pp_gids,
2822 size_t *p_num_groups)
2823 {
2824 struct ldapsam_privates *ldap_state =
2825 (struct ldapsam_privates *)methods->private_data;
2826 struct smbldap_state *conn = ldap_state->smbldap_state;
2827 char *filter;
2828 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2829 char *escape_name;
2830 int rc, count;
2831 LDAPMessage *result = NULL;
2832 LDAPMessage *entry;
2833 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2834 size_t num_sids, num_gids;
2835 char *gidstr;
2836 gid_t primary_gid = -1;
2837
2838 *pp_sids = NULL;
2839 num_sids = 0;
2840
2841 if (pdb_get_username(user) == NULL) {
2842 return NT_STATUS_INVALID_PARAMETER;
2843 }
2844
2845 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2846 if (escape_name == NULL)
2847 return NT_STATUS_NO_MEMORY;
2848
2849 /* retrieve the users primary gid */
2850 filter = talloc_asprintf(mem_ctx,
2851 "(&(objectClass=%s)(uid=%s))",
2852 LDAP_OBJ_SAMBASAMACCOUNT,
2853 escape_name);
2854 if (filter == NULL) {
2855 ret = NT_STATUS_NO_MEMORY;
2856 goto done;
2857 }
2858
2859 rc = smbldap_search(conn, lp_ldap_suffix(),
2860 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2861
2862 if (rc != LDAP_SUCCESS)
2863 goto done;
2864
2865 talloc_autofree_ldapmsg(mem_ctx, result);
2866
2867 count = ldap_count_entries(priv2ld(ldap_state), result);
2868
2869 switch (count) {
2870 case 0:
2871 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2872 ret = NT_STATUS_NO_SUCH_USER;
2873 goto done;
2874 case 1:
2875 entry = ldap_first_entry(priv2ld(ldap_state), result);
2876
2877 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2878 if (!gidstr) {
2879 DEBUG (1, ("Unable to find the member's gid!\n"));
2880 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2881 goto done;
2882 }
2883 primary_gid = strtoul(gidstr, NULL, 10);
2884 break;
2885 default:
2886 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2887 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2888 goto done;
2889 }
2890
2891 filter = talloc_asprintf(mem_ctx,
2892 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2893 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2894 if (filter == NULL) {
2895 ret = NT_STATUS_NO_MEMORY;
2896 goto done;
2897 }
2898
2899 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2900 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2901
2902 if (rc != LDAP_SUCCESS)
2903 goto done;
2904
2905 talloc_autofree_ldapmsg(mem_ctx, result);
2906
2907 num_gids = 0;
2908 *pp_gids = NULL;
2909
2910 num_sids = 0;
2911 *pp_sids = NULL;
2912
2913 /* We need to add the primary group as the first gid/sid */
2914
2915 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2916 ret = NT_STATUS_NO_MEMORY;
2917 goto done;
2918 }
2919
2920 /* This sid will be replaced later */
2921
2922 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2923 &num_sids);
2924 if (!NT_STATUS_IS_OK(ret)) {
2925 goto done;
2926 }
2927
2928 for (entry = ldap_first_entry(conn->ldap_struct, result);
2929 entry != NULL;
2930 entry = ldap_next_entry(conn->ldap_struct, entry))
2931 {
2932 fstring str;
2933 DOM_SID sid;
2934 gid_t gid;
2935 char *end;
2936
2937 if (!smbldap_get_single_attribute(conn->ldap_struct,
2938 entry, "sambaSID",
2939 str, sizeof(str)-1))
2940 continue;
2941
2942 if (!string_to_sid(&sid, str))
2943 goto done;
2944
2945 if (!smbldap_get_single_attribute(conn->ldap_struct,
2946 entry, "gidNumber",
2947 str, sizeof(str)-1))
2948 continue;
2949
2950 gid = strtoul(str, &end, 10);
2951
2952 if (PTR_DIFF(end, str) != strlen(str))
2953 goto done;
2954
2955 if (gid == primary_gid) {
2956 sid_copy(&(*pp_sids)[0], &sid);
2957 } else {
2958 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2959 &num_gids)) {
2960 ret = NT_STATUS_NO_MEMORY;
2961 goto done;
2962 }
2963 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2964 &num_sids);
2965 if (!NT_STATUS_IS_OK(ret)) {
2966 goto done;
2967 }
2968 }
2969 }
2970
2971 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2972 DEBUG(3, ("primary group of [%s] not found\n",
2973 pdb_get_username(user)));
2974 goto done;
2975 }
2976
2977 *p_num_groups = num_sids;
2978
2979 ret = NT_STATUS_OK;
2980
2981 done:
2982
2983 SAFE_FREE(escape_name);
2984 return ret;
2985 }
2986
2987 /**********************************************************************
2988 * Augment a posixGroup object with a sambaGroupMapping domgroup
2989 *********************************************************************/
2990
2991 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2992 struct ldapsam_privates *ldap_state,
2993 GROUP_MAP *map)
2994 {
2995 const char *filter, *dn;
2996 LDAPMessage *msg, *entry;
2997 LDAPMod **mods;
2998 int rc;
2999
3000 filter = talloc_asprintf(mem_ctx,
3001 "(&(objectClass=%s)(gidNumber=%u))",
3002 LDAP_OBJ_POSIXGROUP, map->gid);
3003 if (filter == NULL) {
3004 return NT_STATUS_NO_MEMORY;
3005 }
3006
3007 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3008 get_attr_list(mem_ctx, groupmap_attr_list),
3009 &msg);
3010 talloc_autofree_ldapmsg(mem_ctx, msg);
3011
3012 if ((rc != LDAP_SUCCESS) ||
3013 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3014 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3015 return NT_STATUS_NO_SUCH_GROUP;
3016 }
3017
3018 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3019 if (dn == NULL) {
3020 return NT_STATUS_NO_MEMORY;
3021 }
3022
3023 mods = NULL;
3024 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3025 LDAP_OBJ_GROUPMAP);
3026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3027 sid_string_talloc(mem_ctx, &map->sid));
3028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3029 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3030 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3031 map->nt_name);
3032 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3033 map->comment);
3034 talloc_autofree_ldapmod(mem_ctx, mods);
3035
3036 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3037 if (rc != LDAP_SUCCESS) {
3038 return NT_STATUS_ACCESS_DENIED;
3039 }
3040
3041 return NT_STATUS_OK;
3042 }
3043
3044 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3045 GROUP_MAP *map)
3046 {
3047 struct ldapsam_privates *ldap_state =
3048 (struct ldapsam_privates *)methods->private_data;
3049 LDAPMessage *msg = NULL;
3050 LDAPMod **mods = NULL;
3051 const char *attrs[] = { NULL };
3052 char *filter;
3053
3054 char *dn;
3055 TALLOC_CTX *mem_ctx;
3056 NTSTATUS result;
3057
3058 DOM_SID sid;
3059
3060 int rc;
3061
3062 mem_ctx = talloc_new(NULL);
3063 if (mem_ctx == NULL) {
3064 DEBUG(0, ("talloc_new failed\n"));
3065 return NT_STATUS_NO_MEMORY;
3066 }
3067
3068 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3069 sid_string_talloc(mem_ctx, &map->sid));
3070 if (filter == NULL) {
3071 result = NT_STATUS_NO_MEMORY;
3072 goto done;
3073 }
3074
3075 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3076 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3077 talloc_autofree_ldapmsg(mem_ctx, msg);
3078
3079 if ((rc == LDAP_SUCCESS) &&
3080 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3081
3082 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3083 "group mapping entry\n", sid_string_dbg(&map->sid)));
3084 result = NT_STATUS_GROUP_EXISTS;
3085 goto done;
3086 }
3087
3088 switch (map->sid_name_use) {
3089
3090 case SID_NAME_DOM_GRP:
3091 /* To map a domain group we need to have a posix group
3092 to attach to. */
3093 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3094 goto done;
3095 break;
3096
3097 case SID_NAME_ALIAS:
3098 if (!sid_check_is_in_our_domain(&map->sid)
3099 && !sid_check_is_in_builtin(&map->sid) )
3100 {
3101 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3102 sid_string_dbg(&map->sid)));
3103 result = NT_STATUS_INVALID_PARAMETER;
3104 goto done;
3105 }
3106 break;
3107
3108 default:
3109 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3110 sid_type_lookup(map->sid_name_use)));
3111 result = NT_STATUS_INVALID_PARAMETER;
3112 goto done;
3113 }
3114
3115 /* Domain groups have been mapped in a separate routine, we have to
3116 * create an alias now */
3117
3118 if (map->gid == -1) {
3119 DEBUG(10, ("Refusing to map gid==-1\n"));
3120 result = NT_STATUS_INVALID_PARAMETER;
3121 goto done;
3122 }
3123
3124 if (pdb_gid_to_sid(map->gid, &sid)) {
3125 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3126 "add\n", map->gid, sid_string_dbg(&sid)));
3127 result = NT_STATUS_GROUP_EXISTS;
3128 goto done;
3129 }
3130
3131 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3132 * the best we can get out of LDAP. */
3133
3134 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3135 sid_string_talloc(mem_ctx, &map->sid),
3136 lp_ldap_group_suffix());
3137 if (dn == NULL) {
3138 result = NT_STATUS_NO_MEMORY;
3139 goto done;
3140 }
3141
3142 mods = NULL;
3143
3144 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3145 LDAP_OBJ_SID_ENTRY);
3146 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3147 LDAP_OBJ_GROUPMAP);
3148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3149 sid_string_talloc(mem_ctx, &map->sid));
3150 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3151 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3152 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3153 map->nt_name);
3154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3155 map->comment);
3156 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3157 talloc_asprintf(mem_ctx, "%u", map->gid));
3158 talloc_autofree_ldapmod(mem_ctx, mods);
3159
3160 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3161
3162 result = (rc == LDAP_SUCCESS) ?
3163 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3164
3165 done:
3166 TALLOC_FREE(mem_ctx);
3167 return result;
3168 }
3169
3170 /**********************************************************************
3171 * Update a group mapping entry. We're quite strict about what can be changed:
3172 * Only the description and displayname may be changed. It simply does not
3173 * make any sense to change the SID, gid or the type in a mapping.
3174 *********************************************************************/
3175
3176 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3177 GROUP_MAP *map)
3178 {
3179 struct ldapsam_privates *ldap_state =
3180 (struct ldapsam_privates *)methods->private_data;
3181 int rc;
3182 const char *filter, *dn;
3183 LDAPMessage *msg = NULL;
3184 LDAPMessage *entry = NULL;
3185 LDAPMod **mods = NULL;
3186 TALLOC_CTX *mem_ctx;
3187 NTSTATUS result;
3188
3189 mem_ctx = talloc_new(NULL);
3190 if (mem_ctx == NULL) {
3191 DEBUG(0, ("talloc_new failed\n"));
3192 return NT_STATUS_NO_MEMORY;
3193 }
3194
3195 /* Make 100% sure that sid, gid and type are not changed by looking up
3196 * exactly the values we're given in LDAP. */
3197
3198 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3199 "(sambaSid=%s)(gidNumber=%u)"
3200 "(sambaGroupType=%d))",
3201 LDAP_OBJ_GROUPMAP,
3202 sid_string_talloc(mem_ctx, &map->sid),
3203 map->gid, map->sid_name_use);
3204 if (filter == NULL) {
3205 result = NT_STATUS_NO_MEMORY;
3206 goto done;
3207 }
3208
3209 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3210 get_attr_list(mem_ctx, groupmap_attr_list),
3211 &msg);
3212 talloc_autofree_ldapmsg(mem_ctx, msg);
3213
3214 if ((rc != LDAP_SUCCESS) ||
3215 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3216 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3217 result = NT_STATUS_NO_SUCH_GROUP;
3218 goto done;
3219 }
3220
3221 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3222
3223 if (dn == NULL) {
3224 result = NT_STATUS_NO_MEMORY;
3225 goto done;
3226 }
3227
3228 mods = NULL;
3229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3230 map->nt_name);
3231 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3232 map->comment);
3233 talloc_autofree_ldapmod(mem_ctx, mods);
3234
3235 if (mods == NULL) {
3236 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3237 "nothing to do\n"));
3238 result = NT_STATUS_OK;
3239 goto done;
3240 }
3241
3242 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3243
3244 if (rc != LDAP_SUCCESS) {
3245 result = NT_STATUS_ACCESS_DENIED;
3246 goto done;
3247 }
3248
3249 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3250 "group %lu in LDAP\n", (unsigned long)map->gid));
3251
3252 result = NT_STATUS_OK;
3253
3254 done:
3255 TALLOC_FREE(mem_ctx);
3256 return result;
3257 }
3258
3259 /**********************************************************************
3260 *********************************************************************/
3261
3262 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3263 DOM_SID sid)
3264 {
3265 struct ldapsam_privates *priv =
3266 (struct ldapsam_privates *)methods->private_data;
3267 LDAPMessage *msg, *entry;
3268 int rc;
3269 NTSTATUS result;
3270 TALLOC_CTX *mem_ctx;
3271 char *filter;
3272
3273 mem_ctx = talloc_new(NULL);
3274 if (mem_ctx == NULL) {
3275 DEBUG(0, ("talloc_new failed\n"));
3276 return NT_STATUS_NO_MEMORY;
3277 }
3278
3279 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3280 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3281 sid_string_talloc(mem_ctx, &sid));
3282 if (filter == NULL) {
3283 result = NT_STATUS_NO_MEMORY;
3284 goto done;
3285 }
3286 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3287 get_attr_list(mem_ctx, groupmap_attr_list),
3288 &msg);
3289 talloc_autofree_ldapmsg(mem_ctx, msg);
3290
3291 if ((rc != LDAP_SUCCESS) ||
3292 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3293 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3294 result = NT_STATUS_NO_SUCH_GROUP;
3295 goto done;
3296 }
3297
3298 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3299 get_attr_list(mem_ctx,
3300 groupmap_attr_list_to_delete));
3301
3302 if ((rc == LDAP_NAMING_VIOLATION) ||
3303 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3304 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3305 const char *attrs[] = { "sambaGroupType", "description",
3306 "displayName", "sambaSIDList",
3307 NULL };
3308
3309 /* Second try. Don't delete the sambaSID attribute, this is
3310 for "old" entries that are tacked on a winbind
3311 sambaIdmapEntry. */
3312
3313 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3314 LDAP_OBJ_GROUPMAP, attrs);
3315 }
3316
3317 if ((rc == LDAP_NAMING_VIOLATION) ||
3318 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3319 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3320 const char *attrs[] = { "sambaGroupType", "description",
3321 "displayName", "sambaSIDList",
3322 "gidNumber", NULL };
3323
3324 /* Third try. This is a post-3.0.21 alias (containing only
3325 * sambaSidEntry and sambaGroupMapping classes), we also have
3326 * to delete the gidNumber attribute, only the sambaSidEntry
3327 * remains */
3328
3329 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3330 LDAP_OBJ_GROUPMAP, attrs);
3331 }
3332
3333 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3334
3335 done:
3336 TALLOC_FREE(mem_ctx);
3337 return result;
3338 }
3339
3340 /**********************************************************************
3341 *********************************************************************/
3342
3343 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3344 bool update)
3345 {
3346 struct ldapsam_privates *ldap_state =
3347 (struct ldapsam_privates *)my_methods->private_data;
3348 char *filter = NULL;
3349 int rc;
3350 const char **attr_list;
3351
3352 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3353 if (!filter) {
3354 return NT_STATUS_NO_MEMORY;
3355 }
3356 attr_list = get_attr_list( NULL, groupmap_attr_list );
3357 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3358 LDAP_SCOPE_SUBTREE, filter,
3359 attr_list, 0, &ldap_state->result);
3360 TALLOC_FREE(attr_list);
3361
3362 if (rc != LDAP_SUCCESS) {
3363 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3364 ldap_err2string(rc)));
3365 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3366 lp_ldap_group_suffix(), filter));
3367 ldap_msgfree(ldap_state->result);
3368 ldap_state->result = NULL;
3369 TALLOC_FREE(filter);
3370 return NT_STATUS_UNSUCCESSFUL;
3371 }
3372
3373 TALLOC_FREE(filter);
3374
3375 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3376 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3377 ldap_state->result)));
3378
3379 ldap_state->entry =
3380 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3381 ldap_state->result);
3382 ldap_state->index = 0;
3383
3384 return NT_STATUS_OK;
3385 }
3386
3387 /**********************************************************************
3388 *********************************************************************/
3389
3390 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3391 {
3392 ldapsam_endsampwent(my_methods);
3393 }
3394
3395 /**********************************************************************
3396 *********************************************************************/
3397
3398 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3399 GROUP_MAP *map)
3400 {
3401 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3402 struct ldapsam_privates *ldap_state =
3403 (struct ldapsam_privates *)my_methods->private_data;
3404 bool bret = False;
3405
3406 while (!bret) {
3407 if (!ldap_state->entry)
3408 return ret;
3409
3410 ldap_state->index++;
3411 bret = init_group_from_ldap(ldap_state, map,
3412 ldap_state->entry);
3413
3414 ldap_state->entry =
3415 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3416 ldap_state->entry);
3417 }
3418
3419 return NT_STATUS_OK;
3420 }
3421
3422 /**********************************************************************
3423 *********************************************************************/
3424
3425 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3426 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3427 GROUP_MAP **pp_rmap,
3428 size_t *p_num_entries,
3429 bool unix_only)
3430 {
3431 GROUP_MAP map;
3432 size_t entries = 0;
3433
3434 *p_num_entries = 0;
3435 *pp_rmap = NULL;
3436
3437 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3438 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3439 "passdb\n"));
3440 return NT_STATUS_ACCESS_DENIED;
3441 }
3442
3443 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3444 if (sid_name_use != SID_NAME_UNKNOWN &&
3445 sid_name_use != map.sid_name_use) {
3446 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3447 "not of the requested type\n", map.nt_name));
3448 continue;
3449 }
3450 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3451 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3452 "non mapped\n", map.nt_name));
3453 continue;
3454 }
3455
3456 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3457 if (!(*pp_rmap)) {
3458 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3459 "enlarge group map!\n"));
3460 return NT_STATUS_UNSUCCESSFUL;
3461 }
3462
3463 (*pp_rmap)[entries] = map;
3464
3465 entries += 1;
3466
3467 }
3468 ldapsam_endsamgrent(methods);
3469
3470 *p_num_entries = entries;
3471
3472 return NT_STATUS_OK;
3473 }
3474
3475 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3476 const DOM_SID *alias,
3477 const DOM_SID *member,
3478 int modop)
3479 {
3480 struct ldapsam_privates *ldap_state =
3481 (struct ldapsam_privates *)methods->private_data;
3482 char *dn = NULL;
3483 LDAPMessage *result = NULL;
3484 LDAPMessage *entry = NULL;
3485 int count;
3486 LDAPMod **mods = NULL;
3487 int rc;
3488 enum lsa_SidType type = SID_NAME_USE_NONE;
3489 fstring tmp;
3490
3491 char *filter = NULL;
3492
3493 if (sid_check_is_in_builtin(alias)) {
3494 type = SID_NAME_ALIAS;
3495 }
3496
3497 if (sid_check_is_in_our_domain(alias)) {
3498 type = SID_NAME_ALIAS;
3499 }
3500
3501 if (type == SID_NAME_USE_NONE) {
3502 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3503 sid_string_dbg(alias)));
3504 return NT_STATUS_NO_SUCH_ALIAS;
3505 }
3506
3507 if (asprintf(&filter,
3508 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3509 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3510 type) < 0) {
3511 return NT_STATUS_NO_MEMORY;
3512 }
3513
3514 if (ldapsam_search_one_group(ldap_state, filter,
3515 &result) != LDAP_SUCCESS) {
3516 SAFE_FREE(filter);
3517 return NT_STATUS_NO_SUCH_ALIAS;
3518 }
3519
3520 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3521 result);
3522
3523 if (count < 1) {
3524 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3525 ldap_msgfree(result);
3526 SAFE_FREE(filter);
3527 return NT_STATUS_NO_SUCH_ALIAS;
3528 }
3529
3530 if (count > 1) {
3531 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3532 "filter %s: count=%d\n", filter, count));
3533 ldap_msgfree(result);
3534 SAFE_FREE(filter);
3535 return NT_STATUS_NO_SUCH_ALIAS;
3536 }
3537
3538 SAFE_FREE(filter);
3539
3540 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3541 result);
3542
3543 if (!entry) {
3544 ldap_msgfree(result);
3545 return NT_STATUS_UNSUCCESSFUL;
3546 }
3547
3548 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3549 if (!dn) {
3550 ldap_msgfree(result);
3551 return NT_STATUS_UNSUCCESSFUL;
3552 }
3553
3554 smbldap_set_mod(&mods, modop,
3555 get_attr_key2string(groupmap_attr_list,
3556 LDAP_ATTR_SID_LIST),
3557 sid_to_fstring(tmp, member));
3558
3559 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3560
3561 ldap_mods_free(mods, True);
3562 ldap_msgfree(result);
3563 SAFE_FREE(dn);
3564
3565 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3566 return NT_STATUS_MEMBER_IN_ALIAS;
3567 }
3568
3569 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3570 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3571 }
3572
3573 if (rc != LDAP_SUCCESS) {
3574 return NT_STATUS_UNSUCCESSFUL;
3575 }
3576
3577 return NT_STATUS_OK;
3578 }
3579
3580 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3581 const DOM_SID *alias,
3582 const DOM_SID *member)
3583 {
3584 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3585 }
3586
3587 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3588 const DOM_SID *alias,
3589 const DOM_SID *member)
3590 {
3591 return ldapsam_modify_aliasmem(methods, alias, member,
3592 LDAP_MOD_DELETE);
3593 }
3594
3595 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3596 const DOM_SID *alias,
3597 DOM_SID **pp_members,
3598 size_t *p_num_members)
3599 {
3600 struct ldapsam_privates *ldap_state =
3601 (struct ldapsam_privates *)methods->private_data;
3602 LDAPMessage *result = NULL;
3603 LDAPMessage *entry = NULL;
3604 int count;
3605 char **values = NULL;
3606 int i;
3607 char *filter = NULL;
3608 size_t num_members = 0;
3609 enum lsa_SidType type = SID_NAME_USE_NONE;
3610 fstring tmp;
3611
3612 *pp_members = NULL;
3613 *p_num_members = 0;
3614
3615 if (sid_check_is_in_builtin(alias)) {
3616 type = SID_NAME_ALIAS;
3617 }
3618
3619 if (sid_check_is_in_our_domain(alias)) {
3620 type = SID_NAME_ALIAS;
3621 }
3622
3623 if (type == SID_NAME_USE_NONE) {
3624 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3625 sid_string_dbg(alias)));
3626 return NT_STATUS_NO_SUCH_ALIAS;
3627 }
3628
3629 if (asprintf(&filter,
3630 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3631 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3632 type) < 0) {
3633 return NT_STATUS_NO_MEMORY;
3634 }
3635
3636 if (ldapsam_search_one_group(ldap_state, filter,
3637 &result) != LDAP_SUCCESS) {
3638 SAFE_FREE(filter);
3639 return NT_STATUS_NO_SUCH_ALIAS;
3640 }
3641
3642 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3643 result);
3644
3645 if (count < 1) {
3646 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3647 ldap_msgfree(result);
3648 SAFE_FREE(filter);
3649 return NT_STATUS_NO_SUCH_ALIAS;
3650 }
3651
3652 if (count > 1) {
3653 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3654 "filter %s: count=%d\n", filter, count));
3655 ldap_msgfree(result);
3656 SAFE_FREE(filter);
3657 return NT_STATUS_NO_SUCH_ALIAS;
3658 }
3659
3660 SAFE_FREE(filter);
3661
3662 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3663 result);
3664
3665 if (!entry) {
3666 ldap_msgfree(result);
3667 return NT_STATUS_UNSUCCESSFUL;
3668 }
3669
3670 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3671 entry,
3672 get_attr_key2string(groupmap_attr_list,
3673 LDAP_ATTR_SID_LIST));
3674
3675 if (values == NULL) {
3676 ldap_msgfree(result);
3677 return NT_STATUS_OK;
3678 }
3679
3680 count = ldap_count_values(values);
3681
3682 for (i=0; i<count; i++) {
3683 DOM_SID member;
3684 NTSTATUS status;
3685
3686 if (!string_to_sid(&member, values[i]))
3687 continue;
3688
3689 status = add_sid_to_array(NULL, &member, pp_members,
3690 &num_members);
3691 if (!NT_STATUS_IS_OK(status)) {
3692 ldap_value_free(values);
3693 ldap_msgfree(result);
3694 return status;
3695 }
3696 }
3697
3698 *p_num_members = num_members;
3699 ldap_value_free(values);
3700 ldap_msgfree(result);
3701
3702 return NT_STATUS_OK;
3703 }
3704
3705 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3706 TALLOC_CTX *mem_ctx,
3707 const DOM_SID *domain_sid,
3708 const DOM_SID *members,
3709 size_t num_members,
3710 uint32 **pp_alias_rids,
3711 size_t *p_num_alias_rids)
3712 {
3713 struct ldapsam_privates *ldap_state =
3714 (struct ldapsam_privates *)methods->private_data;
3715 LDAP *ldap_struct;
3716
3717 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3718
3719 LDAPMessage *result = NULL;
3720 LDAPMessage *entry = NULL;
3721 int i;
3722 int rc;
3723 char *filter;
3724 enum lsa_SidType type = SID_NAME_USE_NONE;
3725
3726 if (sid_check_is_builtin(domain_sid)) {
3727 type = SID_NAME_ALIAS;
3728 }
3729
3730 if (sid_check_is_domain(domain_sid)) {
3731 type = SID_NAME_ALIAS;
3732 }
3733
3734 if (type == SID_NAME_USE_NONE) {
3735 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3736 sid_string_dbg(domain_sid)));
3737 return NT_STATUS_UNSUCCESSFUL;
3738 }
3739
3740 filter = talloc_asprintf(mem_ctx,
3741 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3742 LDAP_OBJ_GROUPMAP, type);
3743
3744 for (i=0; i<num_members; i++)
3745 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3746 filter,
3747 sid_string_talloc(mem_ctx,
3748 &members[i]));
3749
3750 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3751
3752 if (filter == NULL) {
3753 return NT_STATUS_NO_MEMORY;
3754 }
3755
3756 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3757 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3758
3759 if (rc != LDAP_SUCCESS)
3760 return NT_STATUS_UNSUCCESSFUL;
3761
3762 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3763
3764 for (entry = ldap_first_entry(ldap_struct, result);
3765 entry != NULL;
3766 entry = ldap_next_entry(ldap_struct, entry))
3767 {
3768 fstring sid_str;
3769 DOM_SID sid;
3770 uint32 rid;
3771
3772 if (!smbldap_get_single_attribute(ldap_struct, entry,
3773 LDAP_ATTRIBUTE_SID,
3774 sid_str,
3775 sizeof(sid_str)-1))
3776 continue;
3777
3778 if (!string_to_sid(&sid, sid_str))
3779 continue;
3780
3781 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3782 continue;
3783
3784 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3785 p_num_alias_rids)) {
3786 ldap_msgfree(result);
3787 return NT_STATUS_NO_MEMORY;
3788 }
3789 }
3790
3791 ldap_msgfree(result);
3792 return NT_STATUS_OK;
3793 }
3794
3795 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3796 int policy_index,
3797 uint32 value)
3798 {
3799 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3800 int rc;
3801 LDAPMod **mods = NULL;
3802 fstring value_string;
3803 const char *policy_attr = NULL;
3804
3805 struct ldapsam_privates *ldap_state =
3806 (struct ldapsam_privates *)methods->private_data;
3807
3808 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3809
3810 if (!ldap_state->domain_dn) {
3811 return NT_STATUS_INVALID_PARAMETER;
3812 }
3813
3814 policy_attr = get_account_policy_attr(policy_index);
3815 if (policy_attr == NULL) {
3816 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3817 "policy\n"));
3818 return ntstatus;
3819 }
3820
3821 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3822
3823 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3824
3825 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3826 mods);
3827
3828 ldap_mods_free(mods, True);
3829
3830 if (rc != LDAP_SUCCESS) {
3831 return ntstatus;
3832 }
3833
3834 if (!cache_account_policy_set(policy_index, value)) {
3835 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3836 "update local tdb cache\n"));
3837 return ntstatus;
3838 }
3839
3840 return NT_STATUS_OK;
3841 }
3842
3843 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3844 int policy_index, uint32 value)
3845 {
3846 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3847 value);
3848 }
3849
3850 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3851 int policy_index,
3852 uint32 *value)
3853 {
3854 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3855 LDAPMessage *result = NULL;
3856 LDAPMessage *entry = NULL;
3857 int count;
3858 int rc;
3859 char **vals = NULL;
3860 const char *policy_attr = NULL;
3861
3862 struct ldapsam_privates *ldap_state =
3863 (struct ldapsam_privates *)methods->private_data;
3864
3865 const char *attrs[2];
3866
3867 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3868
3869 if (!ldap_state->domain_dn) {
3870 return NT_STATUS_INVALID_PARAMETER;
3871 }
3872
3873 policy_attr = get_account_policy_attr(policy_index);
3874 if (!policy_attr) {
3875 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3876 "policy index: %d\n", policy_index));
3877 return ntstatus;
3878 }
3879
3880 attrs[0] = policy_attr;
3881 attrs[1] = NULL;
3882
3883 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3884 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3885 &result);
3886
3887 if (rc != LDAP_SUCCESS) {
3888 return ntstatus;
3889 }
3890
3891 count = ldap_count_entries(priv2ld(ldap_state), result);
3892 if (count < 1) {
3893 goto out;
3894 }
3895
3896 entry = ldap_first_entry(priv2ld(ldap_state), result);
3897 if (entry == NULL) {
3898 goto out;
3899 }
3900
3901 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3902 if (vals == NULL) {
3903 goto out;
3904 }
3905
3906 *value = (uint32)atol(vals[0]);
3907
3908 ntstatus = NT_STATUS_OK;
3909
3910 out:
3911 if (vals)
3912 ldap_value_free(vals);
3913 ldap_msgfree(result);
3914
3915 return ntstatus;
3916 }
3917
3918 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3919
3920 - if user hasn't decided to use account policies inside LDAP just reuse the
3921 old tdb values
3922
3923 - if there is a valid cache entry, return that
3924 - if there is an LDAP entry, update cache and return
3925 - otherwise set to default, update cache and return
3926
3927 Guenther
3928 */
3929 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3930 int policy_index, uint32 *value)
3931 {
3932 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3933
3934 if (cache_account_policy_get(policy_index, value)) {
3935 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3936 "cache\n"));
3937 return NT_STATUS_OK;
3938 }
3939
3940 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3941 value);
3942 if (NT_STATUS_IS_OK(ntstatus)) {
3943 goto update_cache;
3944 }
3945
3946 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3947 "ldap\n"));
3948
3949 #if 0
3950 /* should we automagically migrate old tdb value here ? */
3951 if (account_policy_get(policy_index, value))
3952 goto update_ldap;
3953
3954 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3955 "default\n", policy_index));
3956 #endif
3957
3958 if (!account_policy_get_default(policy_index, value)) {
3959 return ntstatus;
3960 }
3961
3962 /* update_ldap: */
3963
3964 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3965 if (!NT_STATUS_IS_OK(ntstatus)) {
3966 return ntstatus;
3967 }
3968
3969 update_cache:
3970
3971 if (!cache_account_policy_set(policy_index, *value)) {
3972 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3973 "tdb as a cache\n"));
3974 return NT_STATUS_UNSUCCESSFUL;
3975 }
3976
3977 return NT_STATUS_OK;
3978 }
3979
3980 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3981 const DOM_SID *domain_sid,
3982 int num_rids,
3983 uint32 *rids,
3984 const char **names,
3985 enum lsa_SidType *attrs)
3986 {
3987 struct ldapsam_privates *ldap_state =
3988 (struct ldapsam_privates *)methods->private_data;
3989 LDAPMessage *msg = NULL;
3990 LDAPMessage *entry;
3991 char *allsids = NULL;
3992 int i, rc, num_mapped;
3993 NTSTATUS result = NT_STATUS_NO_MEMORY;
3994 TALLOC_CTX *mem_ctx;
3995 LDAP *ld;
3996 bool is_builtin;
3997
3998 mem_ctx = talloc_new(NULL);
3999 if (mem_ctx == NULL) {
4000 DEBUG(0, ("talloc_new failed\n"));
4001 goto done;
4002 }
4003
4004 if (!sid_check_is_builtin(domain_sid) &&
4005 !sid_check_is_domain(domain_sid)) {
4006 result = NT_STATUS_INVALID_PARAMETER;
4007 goto done;
4008 }
4009
4010 for (i=0; i<num_rids; i++)
4011 attrs[i] = SID_NAME_UNKNOWN;
4012
4013 allsids = talloc_strdup(mem_ctx, "");
4014 if (allsids == NULL) {
4015 goto done;
4016 }
4017
4018 for (i=0; i<num_rids; i++) {
4019 DOM_SID sid;
4020 sid_compose(&sid, domain_sid, rids[i]);
4021 allsids = talloc_asprintf_append_buffer(
4022 allsids, "(sambaSid=%s)",
4023 sid_string_talloc(mem_ctx, &sid));
4024 if (allsids == NULL) {
4025 goto done;
4026 }
4027 }
4028
4029 /* First look for users */
4030
4031 {
4032 char *filter;
4033 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4034
4035 filter = talloc_asprintf(
4036 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4037 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4038
4039 if (filter == NULL) {
4040 goto done;
4041 }
4042
4043 rc = smbldap_search(ldap_state->smbldap_state,
4044 lp_ldap_user_suffix(),
4045 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4046 &msg);
4047 talloc_autofree_ldapmsg(mem_ctx, msg);
4048 }
4049
4050 if (rc != LDAP_SUCCESS)
4051 goto done;
4052
4053 ld = ldap_state->smbldap_state->ldap_struct;
4054 num_mapped = 0;
4055
4056 for (entry = ldap_first_entry(ld, msg);
4057 entry != NULL;
4058 entry = ldap_next_entry(ld, entry)) {
4059 uint32 rid;
4060 int rid_index;
4061 const char *name;
4062
4063 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4064 &rid)) {
4065 DEBUG(2, ("Could not find sid from ldap entry\n"));
4066 continue;
4067 }
4068
4069 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4070 names);
4071 if (name == NULL) {
4072 DEBUG(2, ("Could not retrieve uid attribute\n"));
4073 continue;
4074 }
4075
4076 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4077 if (rid == rids[rid_index])
4078 break;
4079 }
4080
4081 if (rid_index == num_rids) {
4082 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4083 continue;
4084 }
4085
4086 attrs[rid_index] = SID_NAME_USER;
4087 names[rid_index] = name;
4088 num_mapped += 1;
4089 }
4090
4091 if (num_mapped == num_rids) {
4092 /* No need to look for groups anymore -- we're done */
4093 result = NT_STATUS_OK;
4094 goto done;
4095 }
4096
4097 /* Same game for groups */
4098
4099 {
4100 char *filter;
4101 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4102 "sambaGroupType", NULL };
4103
4104 filter = talloc_asprintf(
4105 mem_ctx, "(&(objectClass=%s)(|%s))",
4106 LDAP_OBJ_GROUPMAP, allsids);
4107 if (filter == NULL) {
4108 goto done;
4109 }
4110
4111 rc = smbldap_search(ldap_state->smbldap_state,
4112 lp_ldap_group_suffix(),
4113 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4114 &msg);
4115 talloc_autofree_ldapmsg(mem_ctx, msg);
4116 }
4117
4118 if (rc != LDAP_SUCCESS)
4119 goto done;
4120
4121 /* ldap_struct might have changed due to a reconnect */
4122
4123 ld = ldap_state->smbldap_state->ldap_struct;
4124
4125 /* For consistency checks, we already checked we're only domain or builtin */
4126
4127 is_builtin = sid_check_is_builtin(domain_sid);
4128
4129 for (entry = ldap_first_entry(ld, msg);
4130 entry != NULL;
4131 entry = ldap_next_entry(ld, entry))
4132 {
4133 uint32 rid;
4134 int rid_index;
4135 const char *attr;
4136 enum lsa_SidType type;
4137 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4138
4139 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4140 mem_ctx);
4141 if (attr == NULL) {
4142 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4143 dn));
4144 continue;
4145 }
4146
4147 type = (enum lsa_SidType)atol(attr);
4148
4149 /* Consistency checks */
4150 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4151 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4152 (type != SID_NAME_DOM_GRP)))) {
4153 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4154 }
4155
4156 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4157 &rid)) {
4158 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4159 continue;
4160 }
4161
4162 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4163
4164 if (attr == NULL) {
4165 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4166 dn));
4167 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4168 }
4169
4170 if (attr == NULL) {
4171 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4172 dn));
4173 continue;
4174 }
4175
4176 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4177 if (rid == rids[rid_index])
4178 break;
4179 }
4180
4181 if (rid_index == num_rids) {
4182 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4183 continue;
4184 }
4185
4186 attrs[rid_index] = type;
4187 names[rid_index] = attr;
4188 num_mapped += 1;
4189 }
4190
4191 result = NT_STATUS_NONE_MAPPED;
4192
4193 if (num_mapped > 0)
4194 result = (num_mapped == num_rids) ?
4195 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4196 done:
4197 TALLOC_FREE(mem_ctx);
4198 return result;
4199 }
4200
4201 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4202 {
4203 char *filter = NULL;
4204 char *escaped = NULL;
4205 char *result = NULL;
4206
4207 if (asprintf(&filter, "(&%s(objectclass=%s))",
4208 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4209 goto done;
4210 }
4211
4212 escaped = escape_ldap_string_alloc(username);
4213 if (escaped == NULL) goto done;
4214
4215 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4216
4217 done:
4218 SAFE_FREE(filter);
4219 SAFE_FREE(escaped);
4220
4221 return result;
4222 }
4223
4224 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4225 {
4226 int i, num = 0;
4227 va_list ap;
4228 const char **result;
4229
4230 va_start(ap, mem_ctx);
4231 while (va_arg(ap, const char *) != NULL)
4232 num += 1;
4233 va_end(ap);
4234
4235 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4236 return NULL;
4237 }
4238
4239 va_start(ap, mem_ctx);
4240 for (i=0; i<num; i++) {
4241 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4242 if (result[i] == NULL) {
4243 talloc_free(result);
4244 va_end(ap);
4245 return NULL;
4246 }
4247 }
4248 va_end(ap);
4249
4250 result[num] = NULL;
4251 return result;
4252 }
4253
4254 struct ldap_search_state {
4255 struct smbldap_state *connection;
4256
4257 uint32 acct_flags;
4258 uint16 group_type;
4259
4260 const char *base;
4261 int scope;
4262 const char *filter;
4263 const char **attrs;
4264 int attrsonly;
4265 void *pagedresults_cookie;
4266
4267 LDAPMessage *entries, *current_entry;
4268 bool (*ldap2displayentry)(struct ldap_search_state *state,
4269 TALLOC_CTX *mem_ctx,
4270 LDAP *ld, LDAPMessage *entry,
4271 struct samr_displayentry *result);
4272 };
4273
4274 static bool ldapsam_search_firstpage(struct pdb_search *search)
4275 {
4276 struct ldap_search_state *state =
4277 (struct ldap_search_state *)search->private_data;
4278 LDAP *ld;
4279 int rc = LDAP_OPERATIONS_ERROR;
4280
4281 state->entries = NULL;
4282
4283 if (state->connection->paged_results) {
4284 rc = smbldap_search_paged(state->connection, state->base,
4285 state->scope, state->filter,
4286 state->attrs, state->attrsonly,
4287 lp_ldap_page_size(), &state->entries,
4288 &state->pagedresults_cookie);
4289 }
4290
4291 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4292
4293 if (state->entries != NULL) {
4294 /* Left over from unsuccessful paged attempt */
4295 ldap_msgfree(state->entries);
4296 state->entries = NULL;
4297 }
4298
4299 rc = smbldap_search(state->connection, state->base,
4300 state->scope, state->filter, state->attrs,
4301 state->attrsonly, &state->entries);
4302
4303 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4304 return False;
4305
4306 /* Ok, the server was lying. It told us it could do paged
4307 * searches when it could not. */
4308 state->connection->paged_results = False;
4309 }
4310
4311 ld = state->connection->ldap_struct;
4312 if ( ld == NULL) {
4313 DEBUG(5, ("Don't have an LDAP connection right after a "
4314 "search\n"));
4315 return False;
4316 }
4317 state->current_entry = ldap_first_entry(ld, state->entries);
4318
4319 if (state->current_entry == NULL) {
4320 ldap_msgfree(state->entries);
4321 state->entries = NULL;
4322 }
4323
4324 return True;
4325 }
4326
4327 static bool ldapsam_search_nextpage(struct pdb_search *search)
4328 {
4329 struct ldap_search_state *state =
4330 (struct ldap_search_state *)search->private_data;
4331 int rc;
4332
4333 if (!state->connection->paged_results) {
4334 /* There is no next page when there are no paged results */
4335 return False;
4336 }
4337
4338 rc = smbldap_search_paged(state->connection, state->base,
4339 state->scope, state->filter, state->attrs,
4340 state->attrsonly, lp_ldap_page_size(),
4341 &state->entries,
4342 &state->pagedresults_cookie);
4343
4344 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4345 return False;
4346
4347 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4348
4349 if (state->current_entry == NULL) {
4350 ldap_msgfree(state->entries);
4351 state->entries = NULL;
4352 }
4353
4354 return True;
4355 }
4356
4357 static bool ldapsam_search_next_entry(struct pdb_search *search,
4358 struct samr_displayentry *entry)
4359 {
4360 struct ldap_search_state *state =
4361 (struct ldap_search_state *)search->private_data;
4362 bool result;
4363
4364 retry:
4365 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4366 return False;
4367
4368 if ((state->entries == NULL) &&
4369 !ldapsam_search_nextpage(search))
4370 return False;
4371
4372 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4373 state->current_entry, entry);
4374
4375 if (!result) {
4376 char *dn;
4377 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4378 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4379 if (dn != NULL) ldap_memfree(dn);
4380 }
4381
4382 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4383
4384 if (state->current_entry == NULL) {
4385 ldap_msgfree(state->entries);
4386 state->entries = NULL;
4387 }
4388
4389 if (!result) goto retry;
4390
4391 return True;
4392 }
4393
4394 static void ldapsam_search_end(struct pdb_search *search)
4395 {
4396 struct ldap_search_state *state =
4397 (struct ldap_search_state *)search->private_data;
4398 int rc;
4399
4400 if (state->pagedresults_cookie == NULL)
4401 return;
4402
4403 if (state->entries != NULL)
4404 ldap_msgfree(state->entries);
4405
4406 state->entries = NULL;
4407 state->current_entry = NULL;
4408
4409 if (!state->connection->paged_results)
4410 return;
4411
4412 /* Tell the LDAP server we're not interested in the rest anymore. */
4413
4414 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4415 state->filter, state->attrs,
4416 state->attrsonly, 0, &state->entries,
4417 &state->pagedresults_cookie);
4418
4419 if (rc != LDAP_SUCCESS)
4420 DEBUG(5, ("Could not end search properly\n"));
4421
4422 return;
4423 }
4424
4425 static bool ldapuser2displayentry(struct ldap_search_state *state,
4426 TALLOC_CTX *mem_ctx,
4427 LDAP *ld, LDAPMessage *entry,
4428 struct samr_displayentry *result)
4429 {
4430 char **vals;
4431 size_t converted_size;
4432 DOM_SID sid;
4433 uint32 acct_flags;
4434
4435 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4436 if ((vals == NULL) || (vals[0] == NULL)) {
4437 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4438 return False;
4439 }
4440 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4441 ldap_value_free(vals);
4442
4443 if ((state->acct_flags != 0) &&
4444 ((state->acct_flags & acct_flags) == 0))
4445 return False;
4446
4447 result->acct_flags = acct_flags;
4448 result->account_name = "";
4449 result->fullname = "";
4450 result->description = "";
4451
4452 vals = ldap_get_values(ld, entry, "uid");
4453 if ((vals == NULL) || (vals[0] == NULL)) {
4454 DEBUG(5, ("\"uid\" not found\n"));
4455 return False;
4456 }
4457 if (!pull_utf8_talloc(mem_ctx,
4458 CONST_DISCARD(char **, &result->account_name),
4459 vals[0], &converted_size))
4460 {
4461 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4462 strerror(errno)));
4463 }
4464
4465 ldap_value_free(vals);
4466
4467 vals = ldap_get_values(ld, entry, "displayName");
4468 if ((vals == NULL) || (vals[0] == NULL))
4469 DEBUG(8, ("\"displayName\" not found\n"));
4470 else if (!pull_utf8_talloc(mem_ctx,
4471 CONST_DISCARD(char **, &result->fullname),
4472 vals[0], &converted_size))
4473 {
4474 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4475 strerror(errno)));
4476 }
4477
4478 ldap_value_free(vals);
4479
4480 vals = ldap_get_values(ld, entry, "description");
4481 if ((vals == NULL) || (vals[0] == NULL))
4482 DEBUG(8, ("\"description\" not found\n"));
4483 else if (!pull_utf8_talloc(mem_ctx,
4484 CONST_DISCARD(char **, &result->description),
4485 vals[0], &converted_size))
4486 {
4487 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4488 strerror(errno)));
4489 }
4490
4491 ldap_value_free(vals);
4492
4493 if ((result->account_name == NULL) ||
4494 (result->fullname == NULL) ||
4495 (result->description == NULL)) {
4496 DEBUG(0, ("talloc failed\n"));
4497 return False;
4498 }
4499
4500 vals = ldap_get_values(ld, entry, "sambaSid");
4501 if ((vals == NULL) || (vals[0] == NULL)) {
4502 DEBUG(0, ("\"objectSid\" not found\n"));
4503 return False;
4504 }
4505
4506 if (!string_to_sid(&sid, vals[0])) {
4507 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4508 ldap_value_free(vals);
4509 return False;
4510 }
4511 ldap_value_free(vals);
4512
4513 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4514 DEBUG(0, ("sid %s does not belong to our domain\n",
4515 sid_string_dbg(&sid)));
4516 return False;
4517 }
4518
4519 return True;
4520 }
4521
4522
4523 static bool ldapsam_search_users(struct pdb_methods *methods,
4524 struct pdb_search *search,
4525 uint32 acct_flags)
4526 {
4527 struct ldapsam_privates *ldap_state =
4528 (struct ldapsam_privates *)methods->private_data;
4529 struct ldap_search_state *state;
4530
4531 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4532 if (state == NULL) {
4533 DEBUG(0, ("talloc failed\n"));
4534 return False;
4535 }
4536
4537 state->connection = ldap_state->smbldap_state;
4538
4539 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4540 state->base = lp_ldap_user_suffix();
4541 else if ((acct_flags != 0) &&
4542 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4543 state->base = lp_ldap_machine_suffix();
4544 else
4545 state->base = lp_ldap_suffix();
4546
4547 state->acct_flags = acct_flags;
4548 state->base = talloc_strdup(search->mem_ctx, state->base);
4549 state->scope = LDAP_SCOPE_SUBTREE;
4550 state->filter = get_ldap_filter(search->mem_ctx, "*");
4551 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4552 "displayName", "description",
4553 "sambaAcctFlags", NULL);
4554 state->attrsonly = 0;
4555 state->pagedresults_cookie = NULL;
4556 state->entries = NULL;
4557 state->ldap2displayentry = ldapuser2displayentry;
4558
4559 if ((state->filter == NULL) || (state->attrs == NULL)) {
4560 DEBUG(0, ("talloc failed\n"));
4561 return False;
4562 }
4563
4564 search->private_data = state;
4565 search->next_entry = ldapsam_search_next_entry;
4566 search->search_end = ldapsam_search_end;
4567
4568 return ldapsam_search_firstpage(search);
4569 }
4570
4571 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4572 TALLOC_CTX *mem_ctx,
4573 LDAP *ld, LDAPMessage *entry,
4574 struct samr_displayentry *result)
4575 {
4576 char **vals;
4577 size_t converted_size;
4578 DOM_SID sid;
4579 uint16 group_type;
4580
4581 result->account_name = "";
4582 result->fullname = "";
4583 result->description = "";
4584
4585
4586 vals = ldap_get_values(ld, entry, "sambaGroupType");
4587 if ((vals == NULL) || (vals[0] == NULL)) {
4588 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4589 if (vals != NULL) {
4590 ldap_value_free(vals);
4591 }
4592 return False;
4593 }
4594
4595 group_type = atoi(vals[0]);
4596
4597 if ((state->group_type != 0) &&
4598 ((state->group_type != group_type))) {
4599 ldap_value_free(vals);
4600 return False;
4601 }
4602
4603 ldap_value_free(vals);
4604
4605 /* display name is the NT group name */
4606
4607 vals = ldap_get_values(ld, entry, "displayName");
4608 if ((vals == NULL) || (vals[0] == NULL)) {
4609 DEBUG(8, ("\"displayName\" not found\n"));
4610
4611 /* fallback to the 'cn' attribute */
4612 vals = ldap_get_values(ld, entry, "cn");
4613 if ((vals == NULL) || (vals[0] == NULL)) {
4614 DEBUG(5, ("\"cn\" not found\n"));
4615 return False;
4616 }
4617 if (!pull_utf8_talloc(mem_ctx,
4618 CONST_DISCARD(char **,
4619 &result->account_name),
4620 vals[0], &converted_size))
4621 {
4622 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4623 "failed: %s", strerror(errno)));
4624 }
4625 }
4626 else if (!pull_utf8_talloc(mem_ctx,
4627 CONST_DISCARD(char **,
4628 &result->account_name),
4629 vals[0], &converted_size))
4630 {
4631 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4632 strerror(errno)));
4633 }
4634
4635 ldap_value_free(vals);
4636
4637 vals = ldap_get_values(ld, entry, "description");
4638 if ((vals == NULL) || (vals[0] == NULL))
4639 DEBUG(8, ("\"description\" not found\n"));
4640 else if (!pull_utf8_talloc(mem_ctx,
4641 CONST_DISCARD(char **, &result->description),
4642 vals[0], &converted_size))
4643 {
4644 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4645 strerror(errno)));
4646 }
4647 ldap_value_free(vals);
4648
4649 if ((result->account_name == NULL) ||
4650 (result->fullname == NULL) ||
4651 (result->description == NULL)) {
4652 DEBUG(0, ("talloc failed\n"));
4653 return False;
4654 }
4655
4656 vals = ldap_get_values(ld, entry, "sambaSid");
4657 if ((vals == NULL) || (vals[0] == NULL)) {
4658 DEBUG(0, ("\"objectSid\" not found\n"));
4659 if (vals != NULL) {
4660 ldap_value_free(vals);
4661 }
4662 return False;
4663 }
4664
4665 if (!string_to_sid(&sid, vals[0])) {
4666 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4667 return False;
4668 }
4669
4670 ldap_value_free(vals);
4671
4672 switch (group_type) {
4673 case SID_NAME_DOM_GRP:
4674 case SID_NAME_ALIAS:
4675
4676 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4677 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4678 {
4679 DEBUG(0, ("%s is not in our domain\n",
4680 sid_string_dbg(&sid)));
4681 return False;
4682 }
4683 break;
4684
4685 default:
4686 DEBUG(0,("unkown group type: %d\n", group_type));
4687 return False;
4688 }
4689
4690 result->acct_flags = 0;
4691
4692 return True;
4693 }
4694
4695 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4696 struct pdb_search *search,
4697 const DOM_SID *sid,
4698 enum lsa_SidType type)
4699 {
4700 struct ldapsam_privates *ldap_state =
4701 (struct ldapsam_privates *)methods->private_data;
4702 struct ldap_search_state *state;
4703 fstring tmp;
4704
4705 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4706 if (state == NULL) {
4707 DEBUG(0, ("talloc failed\n"));
4708 return False;
4709 }
4710
4711 state->connection = ldap_state->smbldap_state;
4712
4713 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4714 state->connection = ldap_state->smbldap_state;
4715 state->scope = LDAP_SCOPE_SUBTREE;
4716 state->filter = talloc_asprintf(search->mem_ctx,
4717 "(&(objectclass=%s)"
4718 "(sambaGroupType=%d)(sambaSID=%s*))",
4719 LDAP_OBJ_GROUPMAP,
4720 type, sid_to_fstring(tmp, sid));
4721 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4722 "displayName", "description",
4723 "sambaGroupType", NULL);
4724 state->attrsonly = 0;
4725 state->pagedresults_cookie = NULL;
4726 state->entries = NULL;
4727 state->group_type = type;
4728 state->ldap2displayentry = ldapgroup2displayentry;
4729
4730 if ((state->filter == NULL) || (state->attrs == NULL)) {
4731 DEBUG(0, ("talloc failed\n"));
4732 return False;
4733 }
4734
4735 search->private_data = state;
4736 search->next_entry = ldapsam_search_next_entry;
4737 search->search_end = ldapsam_search_end;
4738
4739 return ldapsam_search_firstpage(search);
4740 }
4741
4742 static bool ldapsam_search_groups(struct pdb_methods *methods,
4743 struct pdb_search *search)
4744 {
4745 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4746 }
4747
4748 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4749 struct pdb_search *search,
4750 const DOM_SID *sid)
4751 {
4752 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4753 }
4754
4755 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4756 {
4757 return False;
4758 }
4759
4760 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4761 uint32 *rid)
4762 {
4763 struct smbldap_state *smbldap_state = priv->smbldap_state;
4764
4765 LDAPMessage *result = NULL;
4766 LDAPMessage *entry = NULL;
4767 LDAPMod **mods = NULL;
4768 NTSTATUS status;
4769 char *value;
4770 int rc;
4771 uint32 nextRid = 0;
4772 const char *dn;
4773
4774 TALLOC_CTX *mem_ctx;
4775
4776 mem_ctx = talloc_new(NULL);
4777 if (mem_ctx == NULL) {
4778 DEBUG(0, ("talloc_new failed\n"));
4779 return NT_STATUS_NO_MEMORY;
4780 }
4781
4782 status = smbldap_search_domain_info(smbldap_state, &result,
4783 get_global_sam_name(), False);
4784 if (!NT_STATUS_IS_OK(status)) {
4785 DEBUG(3, ("Could not get domain info: %s\n",
4786 nt_errstr(status)));
4787 goto done;
4788 }
4789
4790 talloc_autofree_ldapmsg(mem_ctx, result);
4791
4792 entry = ldap_first_entry(priv2ld(priv), result);
4793 if (entry == NULL) {
4794 DEBUG(0, ("Could not get domain info entry\n"));
4795 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4796 goto done;
4797 }
4798
4799 /* Find the largest of the three attributes "sambaNextRid",
4800 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4801 concept of differentiating between user and group rids, and will
4802 use only "sambaNextRid" in the future. But for compatibility
4803 reasons I look if others have chosen different strategies -- VL */
4804
4805 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4806 "sambaNextRid", mem_ctx);
4807 if (value != NULL) {
4808 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4809 nextRid = MAX(nextRid, tmp);
4810 }
4811
4812 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4813 "sambaNextUserRid", mem_ctx);
4814 if (value != NULL) {
4815 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4816 nextRid = MAX(nextRid, tmp);
4817 }
4818
4819 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4820 "sambaNextGroupRid", mem_ctx);
4821 if (value != NULL) {
4822 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4823 nextRid = MAX(nextRid, tmp);
4824 }
4825
4826 if (nextRid == 0) {
4827 nextRid = BASE_RID-1;
4828 }
4829
4830 nextRid += 1;
4831
4832 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4833 talloc_asprintf(mem_ctx, "%d", nextRid));
4834 talloc_autofree_ldapmod(mem_ctx, mods);
4835
4836 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4837 status = NT_STATUS_NO_MEMORY;
4838 goto done;
4839 }
4840
4841 rc = smbldap_modify(smbldap_state, dn, mods);
4842
4843 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4844 * please retry" */
4845
4846 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4847
4848 done:
4849 if (NT_STATUS_IS_OK(status)) {
4850 *rid = nextRid;
4851 }
4852
4853 TALLOC_FREE(mem_ctx);
4854 return status;
4855 }
4856
4857 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4858 {
4859 int i;
4860
4861 for (i=0; i<10; i++) {
4862 NTSTATUS result = ldapsam_get_new_rid(
4863 (struct ldapsam_privates *)methods->private_data, rid);
4864 if (NT_STATUS_IS_OK(result)) {
4865 return result;
4866 }
4867
4868 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4869 return result;
4870 }
4871
4872 /* The ldap update failed (maybe a race condition), retry */
4873 }
4874
4875 /* Tried 10 times, fail. */
4876 return NT_STATUS_ACCESS_DENIED;
4877 }
4878
4879 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4880 {
4881 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4882 return NT_STATUS_IS_OK(result) ? True : False;
4883 }
4884
4885 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4886 const DOM_SID *sid,
4887 union unid_t *id, enum lsa_SidType *type)
4888 {
4889 struct ldapsam_privates *priv =
4890 (struct ldapsam_privates *)methods->private_data;
4891 char *filter;
4892 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4893 NULL };
4894 LDAPMessage *result = NULL;
4895 LDAPMessage *entry = NULL;
4896 bool ret = False;
4897 char *value;
4898 int rc;
4899
4900 TALLOC_CTX *mem_ctx;
4901
4902 mem_ctx = talloc_new(NULL);
4903 if (mem_ctx == NULL) {
4904 DEBUG(0, ("talloc_new failed\n"));
4905 return False;
4906 }
4907
4908 filter = talloc_asprintf(mem_ctx,
4909 "(&(sambaSid=%s)"
4910 "(|(objectClass=%s)(objectClass=%s)))",
4911 sid_string_talloc(mem_ctx, sid),
4912 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4913 if (filter == NULL) {
4914 DEBUG(5, ("talloc_asprintf failed\n"));
4915 goto done;
4916 }
4917
4918 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4919 attrs, &result);
4920 if (rc != LDAP_SUCCESS) {
4921 goto done;
4922 }
4923 talloc_autofree_ldapmsg(mem_ctx, result);
4924
4925 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4926 DEBUG(10, ("Got %d entries, expected one\n",
4927 ldap_count_entries(priv2ld(priv), result)));
4928 goto done;
4929 }
4930
4931 entry = ldap_first_entry(priv2ld(priv), result);
4932
4933 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4934 "sambaGroupType", mem_ctx);
4935
4936 if (value != NULL) {
4937 const char *gid_str;
4938 /* It's a group */
4939
4940 gid_str = smbldap_talloc_single_attribute(
4941 priv2ld(priv), entry, "gidNumber", mem_ctx);
4942 if (gid_str == NULL) {
4943 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4944 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4945 entry)));
4946 goto done;
4947 }
4948
4949 id->gid = strtoul(gid_str, NULL, 10);
4950 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4951 ret = True;
4952 goto done;
4953 }
4954
4955 /* It must be a user */
4956
4957 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4958 "uidNumber", mem_ctx);
4959 if (value == NULL) {
4960 DEBUG(1, ("Could not find uidNumber in %s\n",
4961 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4962 goto done;
4963 }
4964
4965 id->uid = strtoul(value, NULL, 10);
4966 *type = SID_NAME_USER;
4967
4968 ret = True;
4969 done:
4970 TALLOC_FREE(mem_ctx);
4971 return ret;
4972 }
4973
4974 /*
4975 * The following functions is called only if
4976 * ldapsam:trusted and ldapsam:editposix are
4977 * set to true
4978 */
4979
4980 /*
4981 * ldapsam_create_user creates a new
4982 * posixAccount and sambaSamAccount object
4983 * in the ldap users subtree
4984 *
4985 * The uid is allocated by winbindd.
4986 */
4987
4988 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4989 TALLOC_CTX *tmp_ctx, const char *name,
4990 uint32 acb_info, uint32 *rid)
4991 {
4992 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4993 LDAPMessage *entry = NULL;
4994 LDAPMessage *result = NULL;
4995 uint32 num_result;
4996 bool is_machine = False;
4997 bool add_posix = False;
4998 LDAPMod **mods = NULL;
4999 struct samu *user;
5000 char *filter;
5001 char *username;
5002 char *homedir;
5003 char *gidstr;
5004 char *uidstr;
5005 char *shell;
5006 const char *dn = NULL;
5007 DOM_SID group_sid;
5008 DOM_SID user_sid;
5009 gid_t gid = -1;
5010 uid_t uid = -1;
5011 NTSTATUS ret;
5012 int rc;
5013
5014 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5015 acb_info & ACB_WSTRUST ||
5016 acb_info & ACB_SVRTRUST ||
5017 acb_info & ACB_DOMTRUST) {
5018 is_machine = True;
5019 }
5020
5021 username = escape_ldap_string_alloc(name);
5022 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5023 username, LDAP_OBJ_POSIXACCOUNT);
5024 SAFE_FREE(username);
5025
5026 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5027 if (rc != LDAP_SUCCESS) {
5028 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5029 return NT_STATUS_ACCESS_DENIED;
5030 }
5031 talloc_autofree_ldapmsg(tmp_ctx, result);
5032
5033 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5034
5035 if (num_result > 1) {
5036 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5037 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5038 }
5039
5040 if (num_result == 1) {
5041 char *tmp;
5042 /* check if it is just a posix account.
5043 * or if there is a sid attached to this entry
5044 */
5045
5046 entry = ldap_first_entry(priv2ld(ldap_state), result);
5047 if (!entry) {
5048 return NT_STATUS_UNSUCCESSFUL;
5049 }
5050
5051 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5052 if (tmp) {
5053 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5054 return NT_STATUS_USER_EXISTS;
5055 }
5056
5057 /* it is just a posix account, retrieve the dn for later use */
5058 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5059 if (!dn) {
5060 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5061 return NT_STATUS_NO_MEMORY;
5062 }
5063 }
5064
5065 if (num_result == 0) {
5066 add_posix = True;
5067 }
5068
5069 /* Create the basic samu structure and generate the mods for the ldap commit */
5070 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5071 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5072 return ret;
5073 }
5074
5075 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5076
5077 user = samu_new(tmp_ctx);
5078 if (!user) {
5079 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5080 return NT_STATUS_NO_MEMORY;
5081 }
5082
5083 if (!pdb_set_username(user, name, PDB_SET)) {
5084 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5085 return NT_STATUS_UNSUCCESSFUL;
5086 }
5087 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5088 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5089 return NT_STATUS_UNSUCCESSFUL;
5090 }
5091 if (is_machine) {
5092 if (acb_info & ACB_NORMAL) {
5093 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5094 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5095 return NT_STATUS_UNSUCCESSFUL;
5096 }
5097 } else {
5098 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5099 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5100 return NT_STATUS_UNSUCCESSFUL;
5101 }
5102 }
5103 } else {
5104 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5105 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5106 return NT_STATUS_UNSUCCESSFUL;
5107 }
5108 }
5109
5110 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5111 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5112 return NT_STATUS_UNSUCCESSFUL;
5113 }
5114
5115 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5116 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5117 return NT_STATUS_UNSUCCESSFUL;
5118 }
5119
5120 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5121 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5122 }
5123 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5124
5125 if (add_posix) {
5126 char *escape_name;
5127
5128 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5129
5130 /* retrieve the Domain Users group gid */
5131 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5132 !sid_to_gid(&group_sid, &gid)) {
5133 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5134 return NT_STATUS_INVALID_PRIMARY_GROUP;
5135 }
5136
5137 /* lets allocate a new userid for this user */
5138 if (!winbind_allocate_uid(&uid)) {
5139 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5140 return NT_STATUS_UNSUCCESSFUL;
5141 }
5142
5143
5144 if (is_machine) {
5145 /* TODO: choose a more appropriate default for machines */
5146 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5147 shell = talloc_strdup(tmp_ctx, "/bin/false");
5148 } else {
5149 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5150 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5151 }
5152 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5153 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5154
5155 escape_name = escape_rdn_val_string_alloc(name);
5156 if (!escape_name) {
5157 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5158 return NT_STATUS_NO_MEMORY;
5159 }
5160
5161 if (is_machine) {
5162 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5163 } else {
5164 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5165 }
5166
5167 SAFE_FREE(escape_name);
5168
5169 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5170 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5171 return NT_STATUS_NO_MEMORY;
5172 }
5173
5174 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5175 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5176 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5177 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5178 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5179 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5180 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5181 }
5182
5183 talloc_autofree_ldapmod(tmp_ctx, mods);
5184
5185 if (add_posix) {
5186 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5187 } else {
5188 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5189 }
5190
5191 if (rc != LDAP_SUCCESS) {
5192 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5193 return NT_STATUS_UNSUCCESSFUL;
5194 }
5195
5196 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5197
5198 flush_pwnam_cache();
5199
5200 return NT_STATUS_OK;
5201 }
5202
5203 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5204 {
5205 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5206 LDAPMessage *result = NULL;
5207 LDAPMessage *entry = NULL;
5208 int num_result;
5209 const char *dn;
5210 char *filter;
5211 int rc;
5212
5213 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5214
5215 filter = talloc_asprintf(tmp_ctx,
5216 "(&(uid=%s)"
5217 "(objectClass=%s)"
5218 "(objectClass=%s))",
5219 pdb_get_username(sam_acct),
5220 LDAP_OBJ_POSIXACCOUNT,
5221 LDAP_OBJ_SAMBASAMACCOUNT);
5222 if (filter == NULL) {
5223 return NT_STATUS_NO_MEMORY;
5224 }
5225
5226 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5227 if (rc != LDAP_SUCCESS) {
5228 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5229 return NT_STATUS_UNSUCCESSFUL;
5230 }
5231 talloc_autofree_ldapmsg(tmp_ctx, result);
5232
5233 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5234
5235 if (num_result == 0) {
5236 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5237 return NT_STATUS_NO_SUCH_USER;
5238 }
5239
5240 if (num_result > 1) {
5241 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5242 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5243 }
5244
5245 entry = ldap_first_entry(priv2ld(ldap_state), result);
5246 if (!entry) {
5247 return NT_STATUS_UNSUCCESSFUL;
5248 }
5249
5250 /* it is just a posix account, retrieve the dn for later use */
5251 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5252 if (!dn) {
5253 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5254 return NT_STATUS_NO_MEMORY;
5255 }
5256
5257 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5258 if (rc != LDAP_SUCCESS) {
5259 return NT_STATUS_UNSUCCESSFUL;
5260 }
5261
5262 flush_pwnam_cache();
5263
5264 return NT_STATUS_OK;
5265 }
5266
5267 /*
5268 * ldapsam_create_group creates a new
5269 * posixGroup and sambaGroupMapping object
5270 * in the ldap groups subtree
5271 *
5272 * The gid is allocated by winbindd.
5273 */
5274
5275 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5276 TALLOC_CTX *tmp_ctx,
5277 const char *name,
5278 uint32 *rid)
5279 {
5280 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5281 NTSTATUS ret;
5282 LDAPMessage *entry = NULL;
5283 LDAPMessage *result = NULL;
5284 uint32 num_result;
5285 bool is_new_entry = False;
5286 LDAPMod **mods = NULL;
5287 char *filter;
5288 char *groupsidstr;
5289 char *groupname;
5290 char *grouptype;
5291 char *gidstr;
5292 const char *dn = NULL;
5293 DOM_SID group_sid;
5294 gid_t gid = -1;
5295 int rc;
5296
5297 groupname = escape_ldap_string_alloc(name);
5298 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5299 groupname, LDAP_OBJ_POSIXGROUP);
5300 SAFE_FREE(groupname);
5301
5302 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5303 if (rc != LDAP_SUCCESS) {
5304 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5305 return NT_STATUS_UNSUCCESSFUL;
5306 }
5307 talloc_autofree_ldapmsg(tmp_ctx, result);
5308
5309 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5310
5311 if (num_result > 1) {
5312 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5313 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5314 }
5315
5316 if (num_result == 1) {
5317 char *tmp;
5318 /* check if it is just a posix group.
5319 * or if there is a sid attached to this entry
5320 */
5321
5322 entry = ldap_first_entry(priv2ld(ldap_state), result);
5323 if (!entry) {
5324 return NT_STATUS_UNSUCCESSFUL;
5325 }
5326
5327 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5328 if (tmp) {
5329 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5330 return NT_STATUS_GROUP_EXISTS;
5331 }
5332
5333 /* it is just a posix group, retrieve the gid and the dn for later use */
5334 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5335 if (!tmp) {
5336 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5337 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5338 }
5339
5340 gid = strtoul(tmp, NULL, 10);
5341
5342 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5343 if (!dn) {
5344 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5345 return NT_STATUS_NO_MEMORY;
5346 }
5347 }
5348
5349 if (num_result == 0) {
5350 char *escape_name;
5351
5352 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5353
5354 is_new_entry = True;
5355
5356 /* lets allocate a new groupid for this group */
5357 if (!winbind_allocate_gid(&gid)) {
5358 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5359 return NT_STATUS_UNSUCCESSFUL;
5360 }
5361
5362 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5363
5364 escape_name = escape_rdn_val_string_alloc(name);
5365 if (!escape_name) {
5366 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5367 return NT_STATUS_NO_MEMORY;
5368 }
5369
5370 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5371
5372 SAFE_FREE(escape_name);
5373
5374 if (!gidstr || !dn) {
5375 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5376 return NT_STATUS_NO_MEMORY;
5377 }
5378
5379 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5380 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5381 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5382 }
5383
5384 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5385 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5386 return ret;
5387 }
5388
5389 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5390
5391 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5392 &group_sid));
5393 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5394
5395 if (!groupsidstr || !grouptype) {
5396 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5397 return NT_STATUS_NO_MEMORY;
5398 }
5399
5400 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5401 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5402 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5403 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5404 talloc_autofree_ldapmod(tmp_ctx, mods);
5405
5406 if (is_new_entry) {
5407 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5408 #if 0
5409 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5410 /* This call may fail with rfc2307bis schema */
5411 /* Retry adding a structural class */
5412 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5413 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5414 }
5415 #endif
5416 } else {
5417 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5418 }
5419
5420 if (rc != LDAP_SUCCESS) {
5421 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5422 return NT_STATUS_UNSUCCESSFUL;
5423 }
5424
5425 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5426
5427 return NT_STATUS_OK;
5428 }
5429
5430 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5431 {
5432 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5433 LDAPMessage *result = NULL;
5434 LDAPMessage *entry = NULL;
5435 int num_result;
5436 const char *dn;
5437 char *gidstr;
5438 char *filter;
5439 DOM_SID group_sid;
5440 int rc;
5441
5442 /* get the group sid */
5443 sid_compose(&group_sid, get_global_sam_sid(), rid);
5444
5445 filter = talloc_asprintf(tmp_ctx,
5446 "(&(sambaSID=%s)"
5447 "(objectClass=%s)"
5448 "(objectClass=%s))",
5449 sid_string_talloc(tmp_ctx, &group_sid),
5450 LDAP_OBJ_POSIXGROUP,
5451 LDAP_OBJ_GROUPMAP);
5452 if (filter == NULL) {
5453 return NT_STATUS_NO_MEMORY;
5454 }
5455
5456 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5457 if (rc != LDAP_SUCCESS) {
5458 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5459 return NT_STATUS_UNSUCCESSFUL;
5460 }
5461 talloc_autofree_ldapmsg(tmp_ctx, result);
5462
5463 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5464
5465 if (num_result == 0) {
5466 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5467 return NT_STATUS_NO_SUCH_GROUP;
5468 }
5469
5470 if (num_result > 1) {
5471 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5472 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5473 }
5474
5475 entry = ldap_first_entry(priv2ld(ldap_state), result);
5476 if (!entry) {
5477 return NT_STATUS_UNSUCCESSFUL;
5478 }
5479
5480 /* here it is, retrieve the dn for later use */
5481 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5482 if (!dn) {
5483 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5484 return NT_STATUS_NO_MEMORY;
5485 }
5486
5487 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5488 if (!gidstr) {
5489 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5490 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5491 }
5492
5493 /* check no user have this group marked as primary group */
5494 filter = talloc_asprintf(tmp_ctx,
5495 "(&(gidNumber=%s)"
5496 "(objectClass=%s)"
5497 "(objectClass=%s))",
5498 gidstr,
5499 LDAP_OBJ_POSIXACCOUNT,
5500 LDAP_OBJ_SAMBASAMACCOUNT);
5501
5502 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5503 if (rc != LDAP_SUCCESS) {
5504 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5505 return NT_STATUS_UNSUCCESSFUL;
5506 }
5507 talloc_autofree_ldapmsg(tmp_ctx, result);
5508
5509 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5510
5511 if (num_result != 0) {
5512 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5513 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5514 }
5515
5516 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5517 if (rc != LDAP_SUCCESS) {
5518 return NT_STATUS_UNSUCCESSFUL;
5519 }
5520
5521 return NT_STATUS_OK;
5522 }
5523
5524 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5525 TALLOC_CTX *tmp_ctx,
5526 uint32 group_rid,
5527 uint32 member_rid,
5528 int modop)
5529 {
5530 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5531 LDAPMessage *entry = NULL;
5532 LDAPMessage *result = NULL;
5533 uint32 num_result;
5534 LDAPMod **mods = NULL;
5535 char *filter;
5536 char *uidstr;
5537 const char *dn = NULL;
5538 DOM_SID group_sid;
5539 DOM_SID member_sid;
5540 int rc;
5541
5542 switch (modop) {
5543 case LDAP_MOD_ADD:
5544 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5545 break;
5546 case LDAP_MOD_DELETE:
5547 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5548 break;
5549 default:
5550 return NT_STATUS_UNSUCCESSFUL;
5551 }
5552
5553 /* get member sid */
5554 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5555
5556 /* get the group sid */
5557 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5558
5559 filter = talloc_asprintf(tmp_ctx,
5560 "(&(sambaSID=%s)"
5561 "(objectClass=%s)"
5562 "(objectClass=%s))",
5563 sid_string_talloc(tmp_ctx, &member_sid),
5564 LDAP_OBJ_POSIXACCOUNT,
5565 LDAP_OBJ_SAMBASAMACCOUNT);
5566 if (filter == NULL) {
5567 return NT_STATUS_NO_MEMORY;
5568 }
5569
5570 /* get the member uid */
5571 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5572 if (rc != LDAP_SUCCESS) {
5573 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5574 return NT_STATUS_UNSUCCESSFUL;
5575 }
5576 talloc_autofree_ldapmsg(tmp_ctx, result);
5577
5578 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5579
5580 if (num_result == 0) {
5581 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5582 return NT_STATUS_NO_SUCH_MEMBER;
5583 }
5584
5585 if (num_result > 1) {
5586 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5587 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5588 }
5589
5590 entry = ldap_first_entry(priv2ld(ldap_state), result);
5591 if (!entry) {
5592 return NT_STATUS_UNSUCCESSFUL;
5593 }
5594
5595 if (modop == LDAP_MOD_DELETE) {
5596 /* check if we are trying to remove the member from his primary group */
5597 char *gidstr;
5598 gid_t user_gid, group_gid;
5599
5600 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5601 if (!gidstr) {
5602 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5603 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5604 }
5605
5606 user_gid = strtoul(gidstr, NULL, 10);
5607
5608 if (!sid_to_gid(&group_sid, &group_gid)) {
5609 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5610 return NT_STATUS_UNSUCCESSFUL;
5611 }
5612
5613 if (user_gid == group_gid) {
5614 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5615 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5616 }
5617 }
5618
5619 /* here it is, retrieve the uid for later use */
5620 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5621 if (!uidstr) {
5622 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5623 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5624 }
5625
5626 filter = talloc_asprintf(tmp_ctx,
5627 "(&(sambaSID=%s)"
5628 "(objectClass=%s)"
5629 "(objectClass=%s))",
5630 sid_string_talloc(tmp_ctx, &group_sid),
5631 LDAP_OBJ_POSIXGROUP,
5632 LDAP_OBJ_GROUPMAP);
5633
5634 /* get the group */
5635 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5636 if (rc != LDAP_SUCCESS) {
5637 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5638 return NT_STATUS_UNSUCCESSFUL;
5639 }
5640 talloc_autofree_ldapmsg(tmp_ctx, result);
5641
5642 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5643
5644 if (num_result == 0) {
5645 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5646 return NT_STATUS_NO_SUCH_GROUP;
5647 }
5648
5649 if (num_result > 1) {
5650 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5651 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5652 }
5653
5654 entry = ldap_first_entry(priv2ld(ldap_state), result);
5655 if (!entry) {
5656 return NT_STATUS_UNSUCCESSFUL;
5657 }
5658
5659 /* here it is, retrieve the dn for later use */
5660 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5661 if (!dn) {
5662 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5663 return NT_STATUS_NO_MEMORY;
5664 }
5665
5666 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5667
5668 talloc_autofree_ldapmod(tmp_ctx, mods);
5669
5670 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5671 if (rc != LDAP_SUCCESS) {
5672 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5673 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5674 return NT_STATUS_MEMBER_IN_GROUP;
5675 }
5676 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5677 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5678 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5679 }
5680 return NT_STATUS_UNSUCCESSFUL;
5681 }
5682
5683 return NT_STATUS_OK;
5684 }
5685
5686 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5687 TALLOC_CTX *tmp_ctx,
5688 uint32 group_rid,
5689 uint32 member_rid)
5690 {
5691 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5692 }
5693 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5694 TALLOC_CTX *tmp_ctx,
5695 uint32 group_rid,
5696 uint32 member_rid)
5697 {
5698 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5699 }
5700
5701 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5702 TALLOC_CTX *mem_ctx,
5703 struct samu *sampass)
5704 {
5705 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5706 LDAPMessage *entry = NULL;
5707 LDAPMessage *result = NULL;
5708 uint32 num_result;
5709 LDAPMod **mods = NULL;
5710 char *filter;
5711 char *escape_username;
5712 char *gidstr;
5713 const char *dn = NULL;
5714 gid_t gid;
5715 int rc;
5716
5717 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5718
5719 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5720 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5721 return NT_STATUS_UNSUCCESSFUL;
5722 }
5723 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5724 if (!gidstr) {
5725 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5726 return NT_STATUS_NO_MEMORY;
5727 }
5728
5729 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5730 if (escape_username== NULL) {
5731 return NT_STATUS_NO_MEMORY;
5732 }
5733
5734 filter = talloc_asprintf(mem_ctx,
5735 "(&(uid=%s)"
5736 "(objectClass=%s)"
5737 "(objectClass=%s))",
5738 escape_username,
5739 LDAP_OBJ_POSIXACCOUNT,
5740 LDAP_OBJ_SAMBASAMACCOUNT);
5741
5742 SAFE_FREE(escape_username);
5743
5744 if (filter == NULL) {
5745 return NT_STATUS_NO_MEMORY;
5746 }
5747
5748 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5749 if (rc != LDAP_SUCCESS) {
5750 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5751 return NT_STATUS_UNSUCCESSFUL;
5752 }
5753 talloc_autofree_ldapmsg(mem_ctx, result);
5754
5755 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5756
5757 if (num_result == 0) {
5758 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5759 return NT_STATUS_NO_SUCH_USER;
5760 }
5761
5762 if (num_result > 1) {
5763 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5764 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5765 }
5766
5767 entry = ldap_first_entry(priv2ld(ldap_state), result);
5768 if (!entry) {
5769 return NT_STATUS_UNSUCCESSFUL;
5770 }
5771
5772 /* retrieve the dn for later use */
5773 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5774 if (!dn) {
5775 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5776 return NT_STATUS_NO_MEMORY;
5777 }
5778
5779 /* remove the old one, and add the new one, this way we do not risk races */
5780 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5781
5782 if (mods == NULL) {
5783 return NT_STATUS_OK;
5784 }
5785
5786 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5787
5788 if (rc != LDAP_SUCCESS) {
5789 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5790 pdb_get_username(sampass), gidstr));
5791 return NT_STATUS_UNSUCCESSFUL;
5792 }
5793
5794 flush_pwnam_cache();
5795
5796 return NT_STATUS_OK;
5797 }
5798
5799
5800 /**********************************************************************
5801 trusted domains functions
5802 *********************************************************************/
5803
5804 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5805 const char *domain)
5806 {
5807 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5808 ldap_state->domain_dn);
5809 }
5810
5811 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5812 TALLOC_CTX *mem_ctx,
5813 const char *domain, LDAPMessage **entry)
5814 {
5815 int rc;
5816 char *filter;
5817 int scope = LDAP_SCOPE_SUBTREE;
5818 const char **attrs = NULL; /* NULL: get all attrs */
5819 int attrsonly = 0; /* 0: return values too */
5820 LDAPMessage *result = NULL;
5821 char *trusted_dn;
5822 uint32 num_result;
5823
5824 filter = talloc_asprintf(talloc_tos(),
5825 "(&(objectClass=%s)(sambaDomainName=%s))",
5826 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5827
5828 trusted_dn = trusteddom_dn(ldap_state, domain);
5829 if (trusted_dn == NULL) {
5830 return False;
5831 }
5832 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5833 filter, attrs, attrsonly, &result);
5834
5835 if (result != NULL) {
5836 talloc_autofree_ldapmsg(mem_ctx, result);
5837 }
5838
5839 if (rc == LDAP_NO_SUCH_OBJECT) {
5840 *entry = NULL;
5841 return True;
5842 }
5843
5844 if (rc != LDAP_SUCCESS) {
5845 return False;
5846 }
5847
5848 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5849
5850 if (num_result > 1) {
5851 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5852 "%s object for domain '%s'?!\n",
5853 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5854 return False;
5855 }
5856
5857 if (num_result == 0) {
5858 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5859 "%s object for domain %s.\n",
5860 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5861 *entry = NULL;
5862 } else {
5863 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5864 }
5865
5866 return True;
5867 }
5868
5869 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5870 const char *domain,
5871 char** pwd,
5872 DOM_SID *sid,
5873 time_t *pass_last_set_time)
5874 {
5875 struct ldapsam_privates *ldap_state =
5876 (struct ldapsam_privates *)methods->private_data;
5877 LDAPMessage *entry = NULL;
5878
5879 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5880
5881 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5882 (entry == NULL))
5883 {
5884 return False;
5885 }
5886
5887 /* password */
5888 if (pwd != NULL) {
5889 char *pwd_str;
5890 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5891 entry, "sambaClearTextPassword", talloc_tos());
5892 if (pwd_str == NULL) {
5893 return False;
5894 }
5895 /* trusteddom_pw routines do not use talloc yet... */
5896 *pwd = SMB_STRDUP(pwd_str);
5897 if (*pwd == NULL) {
5898 return False;
5899 }
5900 }
5901
5902 /* last change time */
5903 if (pass_last_set_time != NULL) {
5904 char *time_str;
5905 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5906 entry, "sambaPwdLastSet", talloc_tos());
5907 if (time_str == NULL) {
5908 return False;
5909 }
5910 *pass_last_set_time = (time_t)atol(time_str);
5911 }
5912
5913 /* domain sid */
5914 if (sid != NULL) {
5915 char *sid_str;
5916 DOM_SID *dom_sid;
5917 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5918 entry, "sambaSID",
5919 talloc_tos());
5920 if (sid_str == NULL) {
5921 return False;
5922 }
5923 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5924 if (dom_sid == NULL) {
5925 return False;
5926 }
5927 sid_copy(sid, dom_sid);
5928 }
5929
5930 return True;
5931 }
5932
5933 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5934 const char* domain,
5935 const char* pwd,
5936 const DOM_SID *sid)
5937 {
5938 struct ldapsam_privates *ldap_state =
5939 (struct ldapsam_privates *)methods->private_data;
5940 LDAPMessage *entry = NULL;
5941 LDAPMod **mods = NULL;
5942 char *prev_pwd = NULL;
5943 char *trusted_dn = NULL;
5944 int rc;
5945
5946 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5947
5948 /*
5949 * get the current entry (if there is one) in order to put the
5950 * current password into the previous password attribute
5951 */
5952 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5953 return False;
5954 }
5955
5956 mods = NULL;
5957 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5958 LDAP_OBJ_TRUSTDOM_PASSWORD);
5959 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5960 domain);
5961 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5962 sid_string_tos(sid));
5963 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5964 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
5965 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5966 "sambaClearTextPassword", pwd);
5967
5968 talloc_autofree_ldapmod(talloc_tos(), mods);
5969
5970 if (entry != NULL) {
5971 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5972 entry, "sambaClearTextPassword", talloc_tos());
5973 if (prev_pwd != NULL) {
5974 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5975 "sambaPreviousClearTextPassword",
5976 prev_pwd);
5977 }
5978 }
5979
5980 trusted_dn = trusteddom_dn(ldap_state, domain);
5981 if (trusted_dn == NULL) {
5982 return False;
5983 }
5984 if (entry == NULL) {
5985 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5986 } else {
5987 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5988 }
5989
5990 if (rc != LDAP_SUCCESS) {
5991 DEBUG(1, ("error writing trusted domain password!\n"));
5992 return False;
5993 }
5994
5995 return True;
5996 }
5997
5998 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5999 const char *domain)
6000 {
6001 int rc;
6002 struct ldapsam_privates *ldap_state =
6003 (struct ldapsam_privates *)methods->private_data;
6004 LDAPMessage *entry = NULL;
6005 const char *trusted_dn;
6006
6007 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6008 return False;
6009 }
6010
6011 if (entry == NULL) {
6012 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6013 "%s\n", domain));
6014 return True;
6015 }
6016
6017 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6018 entry);
6019 if (trusted_dn == NULL) {
6020 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6021 return False;
6022 }
6023
6024 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6025 if (rc != LDAP_SUCCESS) {
6026 return False;
6027 }
6028
6029 return True;
6030 }
6031
6032 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6033 TALLOC_CTX *mem_ctx,
6034 uint32 *num_domains,
6035 struct trustdom_info ***domains)
6036 {
6037 int rc;
6038 struct ldapsam_privates *ldap_state =
6039 (struct ldapsam_privates *)methods->private_data;
6040 char *filter;
6041 int scope = LDAP_SCOPE_SUBTREE;
6042 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6043 int attrsonly = 0; /* 0: return values too */
6044 LDAPMessage *result = NULL;
6045 LDAPMessage *entry = NULL;
6046
6047 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6048 LDAP_OBJ_TRUSTDOM_PASSWORD);
6049
6050 rc = smbldap_search(ldap_state->smbldap_state,
6051 ldap_state->domain_dn,
6052 scope,
6053 filter,
6054 attrs,
6055 attrsonly,
6056 &result);
6057
6058 if (result != NULL) {
6059 talloc_autofree_ldapmsg(mem_ctx, result);
6060 }
6061
6062 if (rc != LDAP_SUCCESS) {
6063 return NT_STATUS_UNSUCCESSFUL;
6064 }
6065
6066 *num_domains = 0;
6067 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6068 DEBUG(1, ("talloc failed\n"));
6069 return NT_STATUS_NO_MEMORY;
6070 }
6071
6072 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6073 entry != NULL;
6074 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6075 {
6076 char *dom_name, *dom_sid_str;
6077 struct trustdom_info *dom_info;
6078
6079 dom_info = TALLOC_P(*domains, struct trustdom_info);
6080 if (dom_info == NULL) {
6081 DEBUG(1, ("talloc failed\n"));
6082 return NT_STATUS_NO_MEMORY;
6083 }
6084
6085 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6086 entry,
6087 "sambaDomainName",
6088 talloc_tos());
6089 if (dom_name == NULL) {
6090 DEBUG(1, ("talloc failed\n"));
6091 return NT_STATUS_NO_MEMORY;
6092 }
6093 dom_info->name = dom_name;
6094
6095 dom_sid_str = smbldap_talloc_single_attribute(
6096 priv2ld(ldap_state), entry, "sambaSID",
6097 talloc_tos());
6098 if (dom_sid_str == NULL) {
6099 DEBUG(1, ("talloc failed\n"));
6100 return NT_STATUS_NO_MEMORY;
6101 }
6102 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6103 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6104 dom_sid_str));
6105 return NT_STATUS_UNSUCCESSFUL;
6106 }
6107
6108 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6109 domains, num_domains);
6110
6111 if (*domains == NULL) {
6112 DEBUG(1, ("talloc failed\n"));
6113 return NT_STATUS_NO_MEMORY;
6114 }
6115 }
6116
6117 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6118 return NT_STATUS_OK;
6119 }
6120
6121
6122 /**********************************************************************
6123 Housekeeping
6124 *********************************************************************/
6125
6126 static void free_private_data(void **vp)
6127 {
6128 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6129
6130 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6131
6132 if ((*ldap_state)->result != NULL) {
6133 ldap_msgfree((*ldap_state)->result);
6134 (*ldap_state)->result = NULL;
6135 }
6136 if ((*ldap_state)->domain_dn != NULL) {
6137 SAFE_FREE((*ldap_state)->domain_dn);
6138 }
6139
6140 *ldap_state = NULL;
6141
6142 /* No need to free any further, as it is talloc()ed */
6143 }
6144
6145 /*********************************************************************
6146 Intitalise the parts of the pdb_methods structure that are common to
6147 all pdb_ldap modes
6148 *********************************************************************/
6149
6150 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6151 {
6152 NTSTATUS nt_status;
6153 struct ldapsam_privates *ldap_state;
6154
6155 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6156 return nt_status;
6157 }
6158
6159 (*pdb_method)->name = "ldapsam";
6160
6161 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6162 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6163 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6164 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6165 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6166 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6167
6168 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6169 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6170 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6171 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6172 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6173 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6174 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6175
6176 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6177 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6178
6179 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6180
6181 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6182 (*pdb_method)->new_rid = ldapsam_new_rid;
6183
6184 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6185 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6186 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6187 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6188
6189 /* TODO: Setup private data and free */
6190
6191 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6192 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6193 return NT_STATUS_NO_MEMORY;
6194 }
6195
6196 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6197 location, &ldap_state->smbldap_state);
6198
6199 if ( !NT_STATUS_IS_OK(nt_status) ) {
6200 return nt_status;
6201 }
6202
6203 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6204 return NT_STATUS_NO_MEMORY;
6205 }
6206
6207 (*pdb_method)->private_data = ldap_state;
6208
6209 (*pdb_method)->free_private_data = free_private_data;
6210
6211 return NT_STATUS_OK;
6212 }
6213
6214 /**********************************************************************
6215 Initialise the 'compat' mode for pdb_ldap
6216 *********************************************************************/
6217
6218 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6219 {
6220 NTSTATUS nt_status;
6221 struct ldapsam_privates *ldap_state;
6222 char *uri = talloc_strdup( NULL, location );
6223
6224 trim_char( uri, '\"', '\"' );
6225 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6226 if ( uri )
6227 TALLOC_FREE( uri );
6228
6229 if ( !NT_STATUS_IS_OK(nt_status) ) {
6230 return nt_status;
6231 }
6232
6233 (*pdb_method)->name = "ldapsam_compat";
6234
6235 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6236 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6237
6238 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6239
6240 return NT_STATUS_OK;
6241 }
6242
6243 /**********************************************************************
6244 Initialise the normal mode for pdb_ldap
6245 *********************************************************************/
6246
6247 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6248 {
6249 NTSTATUS nt_status;
6250 struct ldapsam_privates *ldap_state = NULL;
6251 uint32 alg_rid_base;
6252 char *alg_rid_base_string = NULL;
6253 LDAPMessage *result = NULL;
6254 LDAPMessage *entry = NULL;
6255 DOM_SID ldap_domain_sid;
6256 DOM_SID secrets_domain_sid;
6257 char *domain_sid_string = NULL;
6258 char *dn = NULL;
6259 char *uri = talloc_strdup( NULL, location );
6260
6261 trim_char( uri, '\"', '\"' );
6262 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6263 if (uri) {
6264 TALLOC_FREE(uri);
6265 }
6266
6267 if (!NT_STATUS_IS_OK(nt_status)) {
6268 return nt_status;
6269 }
6270
6271 (*pdb_method)->name = "ldapsam";
6272
6273 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6274 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6275 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6276 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6277 (*pdb_method)->search_users = ldapsam_search_users;
6278 (*pdb_method)->search_groups = ldapsam_search_groups;
6279 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6280
6281 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6282 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6283 (*pdb_method)->enum_group_memberships =
6284 ldapsam_enum_group_memberships;
6285 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6286 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6287
6288 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6289 (*pdb_method)->create_user = ldapsam_create_user;
6290 (*pdb_method)->delete_user = ldapsam_delete_user;
6291 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6292 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6293 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6294 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6295 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6296 }
6297 }
6298
6299 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6300 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6301
6302 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6303
6304 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6305 &result,
6306 ldap_state->domain_name, True);
6307
6308 if ( !NT_STATUS_IS_OK(nt_status) ) {
6309 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6310 "info, nor add one to the domain\n"));
6311 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6312 "will be unable to allocate new users/groups, "
6313 "and will risk BDCs having inconsistant SIDs\n"));
6314 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6315 return NT_STATUS_OK;
6316 }
6317
6318 /* Given that the above might fail, everything below this must be
6319 * optional */
6320
6321 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6322 result);
6323 if (!entry) {
6324 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6325 "entry\n"));
6326 ldap_msgfree(result);
6327 return NT_STATUS_UNSUCCESSFUL;
6328 }
6329
6330 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6331 if (!dn) {
6332 ldap_msgfree(result);
6333 return NT_STATUS_UNSUCCESSFUL;
6334 }
6335
6336 ldap_state->domain_dn = smb_xstrdup(dn);
6337 ldap_memfree(dn);
6338
6339 domain_sid_string = smbldap_talloc_single_attribute(
6340 ldap_state->smbldap_state->ldap_struct,
6341 entry,
6342 get_userattr_key2string(ldap_state->schema_ver,
6343 LDAP_ATTR_USER_SID),
6344 talloc_tos());
6345
6346 if (domain_sid_string) {
6347 bool found_sid;
6348 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6349 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6350 "read as a valid SID\n", domain_sid_string));
6351 ldap_msgfree(result);
6352 TALLOC_FREE(domain_sid_string);
6353 return NT_STATUS_INVALID_PARAMETER;
6354 }
6355 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6356 &secrets_domain_sid);
6357 if (!found_sid || !sid_equal(&secrets_domain_sid,
6358 &ldap_domain_sid)) {
6359 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6360 "%s based on pdb_ldap results %s -> %s\n",
6361 ldap_state->domain_name,
6362 sid_string_dbg(&secrets_domain_sid),
6363 sid_string_dbg(&ldap_domain_sid)));
6364
6365 /* reset secrets.tdb sid */
6366 secrets_store_domain_sid(ldap_state->domain_name,
6367 &ldap_domain_sid);
6368 DEBUG(1, ("New global sam SID: %s\n",
6369 sid_string_dbg(get_global_sam_sid())));
6370 }
6371 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6372 TALLOC_FREE(domain_sid_string);
6373 }
6374
6375 alg_rid_base_string = smbldap_talloc_single_attribute(
6376 ldap_state->smbldap_state->ldap_struct,
6377 entry,
6378 get_attr_key2string( dominfo_attr_list,
6379 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6380 talloc_tos());
6381 if (alg_rid_base_string) {
6382 alg_rid_base = (uint32)atol(alg_rid_base_string);
6383 if (alg_rid_base != algorithmic_rid_base()) {
6384 DEBUG(0, ("The value of 'algorithmic RID base' has "
6385 "changed since the LDAP\n"
6386 "database was initialised. Aborting. \n"));
6387 ldap_msgfree(result);
6388 TALLOC_FREE(alg_rid_base_string);
6389 return NT_STATUS_UNSUCCESSFUL;
6390 }
6391 TALLOC_FREE(alg_rid_base_string);
6392 }
6393 ldap_msgfree(result);
6394
6395 return NT_STATUS_OK;
6396 }
6397
6398 NTSTATUS pdb_ldap_init(void)
6399 {
6400 NTSTATUS nt_status;
6401 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6402 return nt_status;
6403
6404 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6405 return nt_status;
6406
6407 /* Let pdb_nds register backends */
6408 pdb_nds_init();
6409
6410 return NT_STATUS_OK;
6411 }
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