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Pass struct smb_request to file_new
[Samba/gebeck_regimport.git] / source3 / passdb / pdb_ldap.c
blobddbb53a9b9719b76e1514c60f4731293e6755857
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_single_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_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", 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", 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", 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", 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", 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 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", badtime) < 0) {
1427 return false;
1428 }
1429 smbldap_make_mod(
1430 ldap_state->smbldap_state->ldap_struct,
1431 existing, mods,
1432 get_userattr_key2string(
1433 ldap_state->schema_ver,
1434 LDAP_ATTR_BAD_PASSWORD_TIME),
1435 temp);
1436 SAFE_FREE(temp);
1437 }
1438 if (badcount == 0) {
1439 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1440 login_cache_delentry(sampass);
1441 } else {
1442 LOGIN_CACHE cache_entry;
1443
1444 cache_entry.entry_timestamp = time(NULL);
1445 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1446 cache_entry.bad_password_count = badcount;
1447 cache_entry.bad_password_time = badtime;
1448
1449 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1450 login_cache_write(sampass, cache_entry);
1451 }
1452 }
1453
1454 return True;
1455 }
1456
1457 /**********************************************************************
1458 End enumeration of the LDAP password list.
1459 *********************************************************************/
1460
1461 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1462 {
1463 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1464 if (ldap_state->result) {
1465 ldap_msgfree(ldap_state->result);
1466 ldap_state->result = NULL;
1467 }
1468 }
1469
1470 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1471 const char *new_attr)
1472 {
1473 int i;
1474
1475 if (new_attr == NULL) {
1476 return;
1477 }
1478
1479 for (i=0; (*attr_list)[i] != NULL; i++) {
1480 ;
1481 }
1482
1483 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1484 const char *, i+2);
1485 SMB_ASSERT((*attr_list) != NULL);
1486 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1487 (*attr_list)[i+1] = NULL;
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 append_attr(user, &attr_list, "uidNumber");
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const DOM_SID *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32 rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 append_attr(tmp_ctx, &attr_list, "uidNumber");
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 case SCHEMAVER_SAMBAACCOUNT:
1576 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1577 return rc;
1578 }
1579
1580 attr_list = get_userattr_list(NULL,
1581 ldap_state->schema_ver);
1582 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1583 TALLOC_FREE( attr_list );
1584
1585 if ( rc != LDAP_SUCCESS )
1586 return rc;
1587 break;
1588 }
1589 return rc;
1590 }
1591
1592 /**********************************************************************
1593 Get struct samu entry from LDAP by SID.
1594 *********************************************************************/
1595
1596 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1597 {
1598 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1599 LDAPMessage *result = NULL;
1600 LDAPMessage *entry = NULL;
1601 int count;
1602 int rc;
1603
1604 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1605 sid, &result);
1606 if (rc != LDAP_SUCCESS)
1607 return NT_STATUS_NO_SUCH_USER;
1608
1609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1610
1611 if (count < 1) {
1612 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1613 "count=%d\n", sid_string_dbg(sid), count));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 } else if (count > 1) {
1617 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1618 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1619 count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (!entry) {
1626 ldap_msgfree(result);
1627 return NT_STATUS_NO_SUCH_USER;
1628 }
1629
1630 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1631 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1632 ldap_msgfree(result);
1633 return NT_STATUS_NO_SUCH_USER;
1634 }
1635
1636 pdb_set_backend_private_data(user, result, NULL,
1637 my_methods, PDB_CHANGED);
1638 talloc_autofree_ldapmsg(user, result);
1639 return NT_STATUS_OK;
1640 }
1641
1642 /********************************************************************
1643 Do the actual modification - also change a plaintext passord if
1644 it it set.
1645 **********************************************************************/
1646
1647 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1648 struct samu *newpwd, char *dn,
1649 LDAPMod **mods, int ldap_op,
1650 bool (*need_update)(const struct samu *, enum pdb_elements))
1651 {
1652 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1653 int rc;
1654
1655 if (!newpwd || !dn) {
1656 return NT_STATUS_INVALID_PARAMETER;
1657 }
1658
1659 if (!mods) {
1660 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1661 /* may be password change below however */
1662 } else {
1663 switch(ldap_op) {
1664 case LDAP_MOD_ADD:
1665 if (ldap_state->is_nds_ldap) {
1666 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1667 "objectclass",
1668 "inetOrgPerson");
1669 } else {
1670 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1671 "objectclass",
1672 LDAP_OBJ_ACCOUNT);
1673 }
1674 rc = smbldap_add(ldap_state->smbldap_state,
1675 dn, mods);
1676 break;
1677 case LDAP_MOD_REPLACE:
1678 rc = smbldap_modify(ldap_state->smbldap_state,
1679 dn ,mods);
1680 break;
1681 default:
1682 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1683 ldap_op));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 if (rc!=LDAP_SUCCESS) {
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690 }
1691
1692 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1693 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1694 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1695 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1696 BerElement *ber;
1697 struct berval *bv;
1698 char *retoid = NULL;
1699 struct berval *retdata = NULL;
1700 char *utf8_password;
1701 char *utf8_dn;
1702 size_t converted_size;
1703
1704 if (!ldap_state->is_nds_ldap) {
1705
1706 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1707 LDAP_EXOP_MODIFY_PASSWD)) {
1708 DEBUG(2, ("ldap password change requested, but LDAP "
1709 "server does not support it -- ignoring\n"));
1710 return NT_STATUS_OK;
1711 }
1712 }
1713
1714 if (!push_utf8_allocate(&utf8_password,
1715 pdb_get_plaintext_passwd(newpwd),
1716 &converted_size))
1717 {
1718 return NT_STATUS_NO_MEMORY;
1719 }
1720
1721 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1722 SAFE_FREE(utf8_password);
1723 return NT_STATUS_NO_MEMORY;
1724 }
1725
1726 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1727 DEBUG(0,("ber_alloc_t returns NULL\n"));
1728 SAFE_FREE(utf8_password);
1729 SAFE_FREE(utf8_dn);
1730 return NT_STATUS_UNSUCCESSFUL;
1731 }
1732
1733 if ((ber_printf (ber, "{") < 0) ||
1734 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn) < 0) ||
1735 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password) < 0) ||
1736 (ber_printf (ber, "n}") < 0)) {
1737 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a value <0\n"));
1738 ber_free(ber,1);
1739 SAFE_FREE(utf8_dn);
1740 SAFE_FREE(utf8_password);
1741 return NT_STATUS_UNSUCCESSFUL;
1742 }
1743
1744 if ((rc = ber_flatten (ber, &bv))<0) {
1745 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1746 ber_free(ber,1);
1747 SAFE_FREE(utf8_dn);
1748 SAFE_FREE(utf8_password);
1749 return NT_STATUS_UNSUCCESSFUL;
1750 }
1751
1752 SAFE_FREE(utf8_dn);
1753 SAFE_FREE(utf8_password);
1754 ber_free(ber, 1);
1755
1756 if (!ldap_state->is_nds_ldap) {
1757 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1758 LDAP_EXOP_MODIFY_PASSWD,
1759 bv, NULL, NULL, &retoid,
1760 &retdata);
1761 } else {
1762 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1763 pdb_get_plaintext_passwd(newpwd));
1764 }
1765 if (rc != LDAP_SUCCESS) {
1766 char *ld_error = NULL;
1767
1768 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1769 DEBUG(3, ("Could not set userPassword "
1770 "attribute due to an objectClass "
1771 "violation -- ignoring\n"));
1772 ber_bvfree(bv);
1773 return NT_STATUS_OK;
1774 }
1775
1776 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1777 &ld_error);
1778 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1779 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1780 SAFE_FREE(ld_error);
1781 ber_bvfree(bv);
1782 #if defined(LDAP_CONSTRAINT_VIOLATION)
1783 if (rc == LDAP_CONSTRAINT_VIOLATION)
1784 return NT_STATUS_PASSWORD_RESTRICTION;
1785 #endif
1786 return NT_STATUS_UNSUCCESSFUL;
1787 } else {
1788 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1789 #ifdef DEBUG_PASSWORD
1790 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1791 #endif
1792 if (retdata)
1793 ber_bvfree(retdata);
1794 if (retoid)
1795 ldap_memfree(retoid);
1796 }
1797 ber_bvfree(bv);
1798 }
1799 return NT_STATUS_OK;
1800 }
1801
1802 /**********************************************************************
1803 Delete entry from LDAP for username.
1804 *********************************************************************/
1805
1806 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1807 struct samu * sam_acct)
1808 {
1809 struct ldapsam_privates *priv =
1810 (struct ldapsam_privates *)my_methods->private_data;
1811 const char *sname;
1812 int rc;
1813 LDAPMessage *msg, *entry;
1814 NTSTATUS result = NT_STATUS_NO_MEMORY;
1815 const char **attr_list;
1816 TALLOC_CTX *mem_ctx;
1817
1818 if (!sam_acct) {
1819 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1820 return NT_STATUS_INVALID_PARAMETER;
1821 }
1822
1823 sname = pdb_get_username(sam_acct);
1824
1825 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1826 "LDAP.\n", sname));
1827
1828 mem_ctx = talloc_new(NULL);
1829 if (mem_ctx == NULL) {
1830 DEBUG(0, ("talloc_new failed\n"));
1831 goto done;
1832 }
1833
1834 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1835 if (attr_list == NULL) {
1836 goto done;
1837 }
1838
1839 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1840
1841 if ((rc != LDAP_SUCCESS) ||
1842 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1843 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1844 DEBUG(5, ("Could not find user %s\n", sname));
1845 result = NT_STATUS_NO_SUCH_USER;
1846 goto done;
1847 }
1848
1849 rc = ldapsam_delete_entry(
1850 priv, mem_ctx, entry,
1851 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1852 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1853 attr_list);
1854
1855 result = (rc == LDAP_SUCCESS) ?
1856 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1857
1858 done:
1859 TALLOC_FREE(mem_ctx);
1860 return result;
1861 }
1862
1863 /**********************************************************************
1864 Helper function to determine for update_sam_account whether
1865 we need LDAP modification.
1866 *********************************************************************/
1867
1868 static bool element_is_changed(const struct samu *sampass,
1869 enum pdb_elements element)
1870 {
1871 return IS_SAM_CHANGED(sampass, element);
1872 }
1873
1874 /**********************************************************************
1875 Update struct samu.
1876 *********************************************************************/
1877
1878 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1879 {
1880 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1881 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1882 int rc = 0;
1883 char *dn;
1884 LDAPMessage *result = NULL;
1885 LDAPMessage *entry = NULL;
1886 LDAPMod **mods = NULL;
1887 const char **attr_list;
1888
1889 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1890 if (!result) {
1891 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1892 if (pdb_get_username(newpwd) == NULL) {
1893 return NT_STATUS_INVALID_PARAMETER;
1894 }
1895 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1896 TALLOC_FREE( attr_list );
1897 if (rc != LDAP_SUCCESS) {
1898 return NT_STATUS_UNSUCCESSFUL;
1899 }
1900 pdb_set_backend_private_data(newpwd, result, NULL,
1901 my_methods, PDB_CHANGED);
1902 talloc_autofree_ldapmsg(newpwd, result);
1903 }
1904
1905 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1906 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1907 return NT_STATUS_UNSUCCESSFUL;
1908 }
1909
1910 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1911 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1912 if (!dn) {
1913 return NT_STATUS_UNSUCCESSFUL;
1914 }
1915
1916 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1917
1918 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1919 element_is_changed)) {
1920 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1921 SAFE_FREE(dn);
1922 if (mods != NULL)
1923 ldap_mods_free(mods,True);
1924 return NT_STATUS_UNSUCCESSFUL;
1925 }
1926
1927 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1928 && (mods == NULL)) {
1929 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1930 pdb_get_username(newpwd)));
1931 SAFE_FREE(dn);
1932 return NT_STATUS_OK;
1933 }
1934
1935 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1936
1937 if (mods != NULL) {
1938 ldap_mods_free(mods,True);
1939 }
1940
1941 SAFE_FREE(dn);
1942
1943 /*
1944 * We need to set the backend private data to NULL here. For example
1945 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1946 * same one, and with the explicit delete / add logic for attribute
1947 * values the second time we would use the wrong "old" value which
1948 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1949 * the update.
1950 * The existing LDAPMessage is still being auto-freed by the
1951 * destructor.
1952 */
1953 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1954 PDB_CHANGED);
1955
1956 if (!NT_STATUS_IS_OK(ret)) {
1957 return ret;
1958 }
1959
1960 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1961 pdb_get_username(newpwd)));
1962 return NT_STATUS_OK;
1963 }
1964
1965 /***************************************************************************
1966 Renames a struct samu
1967 - The "rename user script" has full responsibility for changing everything
1968 ***************************************************************************/
1969
1970 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1971 struct samu *old_acct,
1972 const char *newname)
1973 {
1974 const char *oldname;
1975 int rc;
1976 char *rename_script = NULL;
1977 fstring oldname_lower, newname_lower;
1978
1979 if (!old_acct) {
1980 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1981 return NT_STATUS_INVALID_PARAMETER;
1982 }
1983 if (!newname) {
1984 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1985 return NT_STATUS_INVALID_PARAMETER;
1986 }
1987
1988 oldname = pdb_get_username(old_acct);
1989
1990 /* rename the posix user */
1991 rename_script = SMB_STRDUP(lp_renameuser_script());
1992 if (rename_script == NULL) {
1993 return NT_STATUS_NO_MEMORY;
1994 }
1995
1996 if (!(*rename_script)) {
1997 SAFE_FREE(rename_script);
1998 return NT_STATUS_ACCESS_DENIED;
1999 }
2000
2001 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2002 oldname, newname));
2003
2004 /* We have to allow the account name to end with a '$'.
2005 Also, follow the semantics in _samr_create_user() and lower case the
2006 posix name but preserve the case in passdb */
2007
2008 fstrcpy( oldname_lower, oldname );
2009 strlower_m( oldname_lower );
2010 fstrcpy( newname_lower, newname );
2011 strlower_m( newname_lower );
2012 rename_script = realloc_string_sub2(rename_script,
2013 "%unew",
2014 newname_lower,
2015 true,
2016 true);
2017 if (rename_script) {
2018 return NT_STATUS_NO_MEMORY;
2019 }
2020 rename_script = realloc_string_sub2(rename_script,
2021 "%uold",
2022 oldname_lower,
2023 true,
2024 true);
2025 rc = smbrun(rename_script, NULL);
2026
2027 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2028 rename_script, rc));
2029
2030 SAFE_FREE(rename_script);
2031
2032 if (rc == 0) {
2033 smb_nscd_flush_user_cache();
2034 }
2035
2036 if (rc)
2037 return NT_STATUS_UNSUCCESSFUL;
2038
2039 return NT_STATUS_OK;
2040 }
2041
2042 /**********************************************************************
2043 Helper function to determine for update_sam_account whether
2044 we need LDAP modification.
2045 *********************************************************************/
2046
2047 static bool element_is_set_or_changed(const struct samu *sampass,
2048 enum pdb_elements element)
2049 {
2050 return (IS_SAM_SET(sampass, element) ||
2051 IS_SAM_CHANGED(sampass, element));
2052 }
2053
2054 /**********************************************************************
2055 Add struct samu to LDAP.
2056 *********************************************************************/
2057
2058 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2059 {
2060 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2061 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2062 int rc;
2063 LDAPMessage *result = NULL;
2064 LDAPMessage *entry = NULL;
2065 LDAPMod **mods = NULL;
2066 int ldap_op = LDAP_MOD_REPLACE;
2067 uint32 num_result;
2068 const char **attr_list;
2069 char *escape_user = NULL;
2070 const char *username = pdb_get_username(newpwd);
2071 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2072 char *filter = NULL;
2073 char *dn = NULL;
2074 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2075 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2076
2077 if (!ctx) {
2078 return NT_STATUS_NO_MEMORY;
2079 }
2080
2081 if (!username || !*username) {
2082 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2083 status = NT_STATUS_INVALID_PARAMETER;
2084 goto fn_exit;
2085 }
2086
2087 /* free this list after the second search or in case we exit on failure */
2088 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2089
2090 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2091
2092 if (rc != LDAP_SUCCESS) {
2093 goto fn_exit;
2094 }
2095
2096 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2097 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2098 username));
2099 goto fn_exit;
2100 }
2101 ldap_msgfree(result);
2102 result = NULL;
2103
2104 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2105 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2106 sid, &result);
2107 if (rc == LDAP_SUCCESS) {
2108 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2109 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2110 "already in the base, with samba "
2111 "attributes\n", sid_string_dbg(sid)));
2112 goto fn_exit;
2113 }
2114 ldap_msgfree(result);
2115 result = NULL;
2116 }
2117 }
2118
2119 /* does the entry already exist but without a samba attributes?
2120 we need to return the samba attributes here */
2121
2122 escape_user = escape_ldap_string_alloc( username );
2123 filter = talloc_strdup(attr_list, "(uid=%u)");
2124 if (!filter) {
2125 status = NT_STATUS_NO_MEMORY;
2126 goto fn_exit;
2127 }
2128 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2129 if (!filter) {
2130 status = NT_STATUS_NO_MEMORY;
2131 goto fn_exit;
2132 }
2133 SAFE_FREE(escape_user);
2134
2135 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2136 filter, attr_list, &result);
2137 if ( rc != LDAP_SUCCESS ) {
2138 goto fn_exit;
2139 }
2140
2141 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2142
2143 if (num_result > 1) {
2144 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2145 goto fn_exit;
2146 }
2147
2148 /* Check if we need to update an existing entry */
2149 if (num_result == 1) {
2150 char *tmp;
2151
2152 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2153 ldap_op = LDAP_MOD_REPLACE;
2154 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2155 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2156 if (!tmp) {
2157 goto fn_exit;
2158 }
2159 dn = talloc_asprintf(ctx, "%s", tmp);
2160 SAFE_FREE(tmp);
2161 if (!dn) {
2162 status = NT_STATUS_NO_MEMORY;
2163 goto fn_exit;
2164 }
2165
2166 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2167
2168 /* There might be a SID for this account already - say an idmap entry */
2169
2170 filter = talloc_asprintf(ctx,
2171 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2172 get_userattr_key2string(ldap_state->schema_ver,
2173 LDAP_ATTR_USER_SID),
2174 sid_string_talloc(ctx, sid),
2175 LDAP_OBJ_IDMAP_ENTRY,
2176 LDAP_OBJ_SID_ENTRY);
2177 if (!filter) {
2178 status = NT_STATUS_NO_MEMORY;
2179 goto fn_exit;
2180 }
2181
2182 /* free old result before doing a new search */
2183 if (result != NULL) {
2184 ldap_msgfree(result);
2185 result = NULL;
2186 }
2187 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2188 filter, attr_list, &result);
2189
2190 if ( rc != LDAP_SUCCESS ) {
2191 goto fn_exit;
2192 }
2193
2194 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2195
2196 if (num_result > 1) {
2197 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2198 goto fn_exit;
2199 }
2200
2201 /* Check if we need to update an existing entry */
2202 if (num_result == 1) {
2203 char *tmp;
2204
2205 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2206 ldap_op = LDAP_MOD_REPLACE;
2207 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2208 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2209 if (!tmp) {
2210 goto fn_exit;
2211 }
2212 dn = talloc_asprintf(ctx, "%s", tmp);
2213 SAFE_FREE(tmp);
2214 if (!dn) {
2215 status = NT_STATUS_NO_MEMORY;
2216 goto fn_exit;
2217 }
2218 }
2219 }
2220
2221 if (num_result == 0) {
2222 char *escape_username;
2223 /* Check if we need to add an entry */
2224 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2225 ldap_op = LDAP_MOD_ADD;
2226
2227 escape_username = escape_rdn_val_string_alloc(username);
2228 if (!escape_username) {
2229 status = NT_STATUS_NO_MEMORY;
2230 goto fn_exit;
2231 }
2232
2233 if (username[strlen(username)-1] == '$') {
2234 dn = talloc_asprintf(ctx,
2235 "uid=%s,%s",
2236 escape_username,
2237 lp_ldap_machine_suffix());
2238 } else {
2239 dn = talloc_asprintf(ctx,
2240 "uid=%s,%s",
2241 escape_username,
2242 lp_ldap_user_suffix());
2243 }
2244
2245 SAFE_FREE(escape_username);
2246 if (!dn) {
2247 status = NT_STATUS_NO_MEMORY;
2248 goto fn_exit;
2249 }
2250 }
2251
2252 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2253 element_is_set_or_changed)) {
2254 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2255 if (mods != NULL) {
2256 ldap_mods_free(mods, true);
2257 }
2258 goto fn_exit;
2259 }
2260
2261 if (mods == NULL) {
2262 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2263 goto fn_exit;
2264 }
2265 switch ( ldap_state->schema_ver ) {
2266 case SCHEMAVER_SAMBAACCOUNT:
2267 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2268 break;
2269 case SCHEMAVER_SAMBASAMACCOUNT:
2270 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2271 break;
2272 default:
2273 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2274 break;
2275 }
2276
2277 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2278 if (!NT_STATUS_IS_OK(ret)) {
2279 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2280 pdb_get_username(newpwd),dn));
2281 ldap_mods_free(mods, true);
2282 goto fn_exit;
2283 }
2284
2285 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2286 ldap_mods_free(mods, true);
2287
2288 status = NT_STATUS_OK;
2289
2290 fn_exit:
2291
2292 TALLOC_FREE(ctx);
2293 SAFE_FREE(escape_user);
2294 if (result) {
2295 ldap_msgfree(result);
2296 }
2297 return status;
2298 }
2299
2300 /**********************************************************************
2301 *********************************************************************/
2302
2303 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2304 const char *filter,
2305 LDAPMessage ** result)
2306 {
2307 int scope = LDAP_SCOPE_SUBTREE;
2308 int rc;
2309 const char **attr_list;
2310
2311 attr_list = get_attr_list(NULL, groupmap_attr_list);
2312 rc = smbldap_search(ldap_state->smbldap_state,
2313 lp_ldap_group_suffix (), scope,
2314 filter, attr_list, 0, result);
2315 TALLOC_FREE(attr_list);
2316
2317 return rc;
2318 }
2319
2320 /**********************************************************************
2321 *********************************************************************/
2322
2323 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2324 GROUP_MAP *map, LDAPMessage *entry)
2325 {
2326 char *temp = NULL;
2327 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2328
2329 if (ldap_state == NULL || map == NULL || entry == NULL ||
2330 ldap_state->smbldap_state->ldap_struct == NULL) {
2331 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2332 TALLOC_FREE(ctx);
2333 return false;
2334 }
2335
2336 temp = smbldap_talloc_single_attribute(
2337 ldap_state->smbldap_state->ldap_struct,
2338 entry,
2339 get_attr_key2string(groupmap_attr_list,
2340 LDAP_ATTR_GIDNUMBER),
2341 ctx);
2342 if (!temp) {
2343 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2344 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2345 TALLOC_FREE(ctx);
2346 return false;
2347 }
2348 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2349
2350 map->gid = (gid_t)atol(temp);
2351
2352 TALLOC_FREE(temp);
2353 temp = smbldap_talloc_single_attribute(
2354 ldap_state->smbldap_state->ldap_struct,
2355 entry,
2356 get_attr_key2string(groupmap_attr_list,
2357 LDAP_ATTR_GROUP_SID),
2358 ctx);
2359 if (!temp) {
2360 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2361 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2362 TALLOC_FREE(ctx);
2363 return false;
2364 }
2365
2366 if (!string_to_sid(&map->sid, temp)) {
2367 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2368 TALLOC_FREE(ctx);
2369 return false;
2370 }
2371
2372 TALLOC_FREE(temp);
2373 temp = smbldap_talloc_single_attribute(
2374 ldap_state->smbldap_state->ldap_struct,
2375 entry,
2376 get_attr_key2string(groupmap_attr_list,
2377 LDAP_ATTR_GROUP_TYPE),
2378 ctx);
2379 if (!temp) {
2380 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2381 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2382 TALLOC_FREE(ctx);
2383 return false;
2384 }
2385 map->sid_name_use = (enum lsa_SidType)atol(temp);
2386
2387 if ((map->sid_name_use < SID_NAME_USER) ||
2388 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2389 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2390 TALLOC_FREE(ctx);
2391 return false;
2392 }
2393
2394 TALLOC_FREE(temp);
2395 temp = smbldap_talloc_single_attribute(
2396 ldap_state->smbldap_state->ldap_struct,
2397 entry,
2398 get_attr_key2string(groupmap_attr_list,
2399 LDAP_ATTR_DISPLAY_NAME),
2400 ctx);
2401 if (!temp) {
2402 temp = smbldap_talloc_single_attribute(
2403 ldap_state->smbldap_state->ldap_struct,
2404 entry,
2405 get_attr_key2string(groupmap_attr_list,
2406 LDAP_ATTR_CN),
2407 ctx);
2408 if (!temp) {
2409 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2410 for gidNumber(%lu)\n",(unsigned long)map->gid));
2411 TALLOC_FREE(ctx);
2412 return false;
2413 }
2414 }
2415 fstrcpy(map->nt_name, temp);
2416
2417 TALLOC_FREE(temp);
2418 temp = smbldap_talloc_single_attribute(
2419 ldap_state->smbldap_state->ldap_struct,
2420 entry,
2421 get_attr_key2string(groupmap_attr_list,
2422 LDAP_ATTR_DESC),
2423 ctx);
2424 if (!temp) {
2425 temp = talloc_strdup(ctx, "");
2426 if (!temp) {
2427 TALLOC_FREE(ctx);
2428 return false;
2429 }
2430 }
2431 fstrcpy(map->comment, temp);
2432
2433 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2434 store_gid_sid_cache(&map->sid, map->gid);
2435 }
2436
2437 TALLOC_FREE(ctx);
2438 return true;
2439 }
2440
2441 /**********************************************************************
2442 *********************************************************************/
2443
2444 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2445 const char *filter,
2446 GROUP_MAP *map)
2447 {
2448 struct ldapsam_privates *ldap_state =
2449 (struct ldapsam_privates *)methods->private_data;
2450 LDAPMessage *result = NULL;
2451 LDAPMessage *entry = NULL;
2452 int count;
2453
2454 if (ldapsam_search_one_group(ldap_state, filter, &result)
2455 != LDAP_SUCCESS) {
2456 return NT_STATUS_NO_SUCH_GROUP;
2457 }
2458
2459 count = ldap_count_entries(priv2ld(ldap_state), result);
2460
2461 if (count < 1) {
2462 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2463 "%s\n", filter));
2464 ldap_msgfree(result);
2465 return NT_STATUS_NO_SUCH_GROUP;
2466 }
2467
2468 if (count > 1) {
2469 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2470 "count=%d\n", filter, count));
2471 ldap_msgfree(result);
2472 return NT_STATUS_NO_SUCH_GROUP;
2473 }
2474
2475 entry = ldap_first_entry(priv2ld(ldap_state), result);
2476
2477 if (!entry) {
2478 ldap_msgfree(result);
2479 return NT_STATUS_UNSUCCESSFUL;
2480 }
2481
2482 if (!init_group_from_ldap(ldap_state, map, entry)) {
2483 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2484 "group filter %s\n", filter));
2485 ldap_msgfree(result);
2486 return NT_STATUS_NO_SUCH_GROUP;
2487 }
2488
2489 ldap_msgfree(result);
2490 return NT_STATUS_OK;
2491 }
2492
2493 /**********************************************************************
2494 *********************************************************************/
2495
2496 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2497 DOM_SID sid)
2498 {
2499 char *filter = NULL;
2500 NTSTATUS status;
2501 fstring tmp;
2502
2503 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2504 LDAP_OBJ_GROUPMAP,
2505 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2506 sid_to_fstring(tmp, &sid)) < 0) {
2507 return NT_STATUS_NO_MEMORY;
2508 }
2509
2510 status = ldapsam_getgroup(methods, filter, map);
2511 SAFE_FREE(filter);
2512 return status;
2513 }
2514
2515 /**********************************************************************
2516 *********************************************************************/
2517
2518 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2519 gid_t gid)
2520 {
2521 char *filter = NULL;
2522 NTSTATUS status;
2523
2524 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2525 LDAP_OBJ_GROUPMAP,
2526 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2527 (unsigned long)gid) < 0) {
2528 return NT_STATUS_NO_MEMORY;
2529 }
2530
2531 status = ldapsam_getgroup(methods, filter, map);
2532 SAFE_FREE(filter);
2533 return status;
2534 }
2535
2536 /**********************************************************************
2537 *********************************************************************/
2538
2539 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2540 const char *name)
2541 {
2542 char *filter = NULL;
2543 char *escape_name = escape_ldap_string_alloc(name);
2544 NTSTATUS status;
2545
2546 if (!escape_name) {
2547 return NT_STATUS_NO_MEMORY;
2548 }
2549
2550 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2551 LDAP_OBJ_GROUPMAP,
2552 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2553 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2554 escape_name) < 0) {
2555 SAFE_FREE(escape_name);
2556 return NT_STATUS_NO_MEMORY;
2557 }
2558
2559 SAFE_FREE(escape_name);
2560 status = ldapsam_getgroup(methods, filter, map);
2561 SAFE_FREE(filter);
2562 return status;
2563 }
2564
2565 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2566 LDAPMessage *entry,
2567 const DOM_SID *domain_sid,
2568 uint32 *rid)
2569 {
2570 fstring str;
2571 DOM_SID sid;
2572
2573 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2574 str, sizeof(str)-1)) {
2575 DEBUG(10, ("Could not find sambaSID attribute\n"));
2576 return False;
2577 }
2578
2579 if (!string_to_sid(&sid, str)) {
2580 DEBUG(10, ("Could not convert string %s to sid\n", str));
2581 return False;
2582 }
2583
2584 if (sid_compare_domain(&sid, domain_sid) != 0) {
2585 DEBUG(10, ("SID %s is not in expected domain %s\n",
2586 str, sid_string_dbg(domain_sid)));
2587 return False;
2588 }
2589
2590 if (!sid_peek_rid(&sid, rid)) {
2591 DEBUG(10, ("Could not peek into RID\n"));
2592 return False;
2593 }
2594
2595 return True;
2596 }
2597
2598 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2599 TALLOC_CTX *mem_ctx,
2600 const DOM_SID *group,
2601 uint32 **pp_member_rids,
2602 size_t *p_num_members)
2603 {
2604 struct ldapsam_privates *ldap_state =
2605 (struct ldapsam_privates *)methods->private_data;
2606 struct smbldap_state *conn = ldap_state->smbldap_state;
2607 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2608 const char *sid_attrs[] = { "sambaSID", NULL };
2609 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2610 LDAPMessage *result = NULL;
2611 LDAPMessage *entry;
2612 char *filter;
2613 char **values = NULL;
2614 char **memberuid;
2615 char *gidstr;
2616 int rc, count;
2617
2618 *pp_member_rids = NULL;
2619 *p_num_members = 0;
2620
2621 filter = talloc_asprintf(mem_ctx,
2622 "(&(objectClass=%s)"
2623 "(objectClass=%s)"
2624 "(sambaSID=%s))",
2625 LDAP_OBJ_POSIXGROUP,
2626 LDAP_OBJ_GROUPMAP,
2627 sid_string_talloc(mem_ctx, group));
2628 if (filter == NULL) {
2629 ret = NT_STATUS_NO_MEMORY;
2630 goto done;
2631 }
2632
2633 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2634 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2635 &result);
2636
2637 if (rc != LDAP_SUCCESS)
2638 goto done;
2639
2640 talloc_autofree_ldapmsg(mem_ctx, result);
2641
2642 count = ldap_count_entries(conn->ldap_struct, result);
2643
2644 if (count > 1) {
2645 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2646 sid_string_dbg(group)));
2647 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2648 goto done;
2649 }
2650
2651 if (count == 0) {
2652 ret = NT_STATUS_NO_SUCH_GROUP;
2653 goto done;
2654 }
2655
2656 entry = ldap_first_entry(conn->ldap_struct, result);
2657 if (entry == NULL)
2658 goto done;
2659
2660 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2661 if (!gidstr) {
2662 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2663 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2664 goto done;
2665 }
2666
2667 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2668
2669 if (values) {
2670
2671 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2672 if (filter == NULL) {
2673 ret = NT_STATUS_NO_MEMORY;
2674 goto done;
2675 }
2676
2677 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2678 char *escape_memberuid;
2679
2680 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2681 if (escape_memberuid == NULL) {
2682 ret = NT_STATUS_NO_MEMORY;
2683 goto done;
2684 }
2685
2686 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2687 if (filter == NULL) {
2688 SAFE_FREE(escape_memberuid);
2689 ret = NT_STATUS_NO_MEMORY;
2690 goto done;
2691 }
2692
2693 SAFE_FREE(escape_memberuid);
2694 }
2695
2696 filter = talloc_asprintf_append_buffer(filter, "))");
2697 if (filter == NULL) {
2698 ret = NT_STATUS_NO_MEMORY;
2699 goto done;
2700 }
2701
2702 rc = smbldap_search(conn, lp_ldap_suffix(),
2703 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2704 &result);
2705
2706 if (rc != LDAP_SUCCESS)
2707 goto done;
2708
2709 count = ldap_count_entries(conn->ldap_struct, result);
2710 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2711
2712 talloc_autofree_ldapmsg(mem_ctx, result);
2713
2714 for (entry = ldap_first_entry(conn->ldap_struct, result);
2715 entry != NULL;
2716 entry = ldap_next_entry(conn->ldap_struct, entry))
2717 {
2718 char *sidstr;
2719 DOM_SID sid;
2720 uint32 rid;
2721
2722 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2723 entry, "sambaSID",
2724 mem_ctx);
2725 if (!sidstr) {
2726 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2727 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2728 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2729 goto done;
2730 }
2731
2732 if (!string_to_sid(&sid, sidstr))
2733 goto done;
2734
2735 if (!sid_check_is_in_our_domain(&sid)) {
2736 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2737 "in our domain\n"));
2738 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2739 goto done;
2740 }
2741
2742 sid_peek_rid(&sid, &rid);
2743
2744 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2745 p_num_members)) {
2746 ret = NT_STATUS_NO_MEMORY;
2747 goto done;
2748 }
2749 }
2750 }
2751
2752 filter = talloc_asprintf(mem_ctx,
2753 "(&(objectClass=%s)"
2754 "(gidNumber=%s))",
2755 LDAP_OBJ_SAMBASAMACCOUNT,
2756 gidstr);
2757
2758 rc = smbldap_search(conn, lp_ldap_suffix(),
2759 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2760 &result);
2761
2762 if (rc != LDAP_SUCCESS)
2763 goto done;
2764
2765 talloc_autofree_ldapmsg(mem_ctx, result);
2766
2767 for (entry = ldap_first_entry(conn->ldap_struct, result);
2768 entry != NULL;
2769 entry = ldap_next_entry(conn->ldap_struct, entry))
2770 {
2771 uint32 rid;
2772
2773 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2774 entry,
2775 get_global_sam_sid(),
2776 &rid)) {
2777 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2778 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2779 goto done;
2780 }
2781
2782 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2783 p_num_members)) {
2784 ret = NT_STATUS_NO_MEMORY;
2785 goto done;
2786 }
2787 }
2788
2789 ret = NT_STATUS_OK;
2790
2791 done:
2792
2793 if (values)
2794 ldap_value_free(values);
2795
2796 return ret;
2797 }
2798
2799 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2800 TALLOC_CTX *mem_ctx,
2801 struct samu *user,
2802 DOM_SID **pp_sids,
2803 gid_t **pp_gids,
2804 size_t *p_num_groups)
2805 {
2806 struct ldapsam_privates *ldap_state =
2807 (struct ldapsam_privates *)methods->private_data;
2808 struct smbldap_state *conn = ldap_state->smbldap_state;
2809 char *filter;
2810 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2811 char *escape_name;
2812 int rc, count;
2813 LDAPMessage *result = NULL;
2814 LDAPMessage *entry;
2815 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2816 size_t num_sids, num_gids;
2817 char *gidstr;
2818 gid_t primary_gid = -1;
2819
2820 *pp_sids = NULL;
2821 num_sids = 0;
2822
2823 if (pdb_get_username(user) == NULL) {
2824 return NT_STATUS_INVALID_PARAMETER;
2825 }
2826
2827 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2828 if (escape_name == NULL)
2829 return NT_STATUS_NO_MEMORY;
2830
2831 /* retrieve the users primary gid */
2832 filter = talloc_asprintf(mem_ctx,
2833 "(&(objectClass=%s)(uid=%s))",
2834 LDAP_OBJ_SAMBASAMACCOUNT,
2835 escape_name);
2836 if (filter == NULL) {
2837 ret = NT_STATUS_NO_MEMORY;
2838 goto done;
2839 }
2840
2841 rc = smbldap_search(conn, lp_ldap_suffix(),
2842 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2843
2844 if (rc != LDAP_SUCCESS)
2845 goto done;
2846
2847 talloc_autofree_ldapmsg(mem_ctx, result);
2848
2849 count = ldap_count_entries(priv2ld(ldap_state), result);
2850
2851 switch (count) {
2852 case 0:
2853 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2854 ret = NT_STATUS_NO_SUCH_USER;
2855 goto done;
2856 case 1:
2857 entry = ldap_first_entry(priv2ld(ldap_state), result);
2858
2859 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2860 if (!gidstr) {
2861 DEBUG (1, ("Unable to find the member's gid!\n"));
2862 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2863 goto done;
2864 }
2865 primary_gid = strtoul(gidstr, NULL, 10);
2866 break;
2867 default:
2868 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2869 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2870 goto done;
2871 }
2872
2873 filter = talloc_asprintf(mem_ctx,
2874 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2875 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2876 if (filter == NULL) {
2877 ret = NT_STATUS_NO_MEMORY;
2878 goto done;
2879 }
2880
2881 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2882 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2883
2884 if (rc != LDAP_SUCCESS)
2885 goto done;
2886
2887 talloc_autofree_ldapmsg(mem_ctx, result);
2888
2889 num_gids = 0;
2890 *pp_gids = NULL;
2891
2892 num_sids = 0;
2893 *pp_sids = NULL;
2894
2895 /* We need to add the primary group as the first gid/sid */
2896
2897 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2898 ret = NT_STATUS_NO_MEMORY;
2899 goto done;
2900 }
2901
2902 /* This sid will be replaced later */
2903
2904 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2905 &num_sids);
2906 if (!NT_STATUS_IS_OK(ret)) {
2907 goto done;
2908 }
2909
2910 for (entry = ldap_first_entry(conn->ldap_struct, result);
2911 entry != NULL;
2912 entry = ldap_next_entry(conn->ldap_struct, entry))
2913 {
2914 fstring str;
2915 DOM_SID sid;
2916 gid_t gid;
2917 char *end;
2918
2919 if (!smbldap_get_single_attribute(conn->ldap_struct,
2920 entry, "sambaSID",
2921 str, sizeof(str)-1))
2922 continue;
2923
2924 if (!string_to_sid(&sid, str))
2925 goto done;
2926
2927 if (!smbldap_get_single_attribute(conn->ldap_struct,
2928 entry, "gidNumber",
2929 str, sizeof(str)-1))
2930 continue;
2931
2932 gid = strtoul(str, &end, 10);
2933
2934 if (PTR_DIFF(end, str) != strlen(str))
2935 goto done;
2936
2937 if (gid == primary_gid) {
2938 sid_copy(&(*pp_sids)[0], &sid);
2939 } else {
2940 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2941 &num_gids)) {
2942 ret = NT_STATUS_NO_MEMORY;
2943 goto done;
2944 }
2945 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2946 &num_sids);
2947 if (!NT_STATUS_IS_OK(ret)) {
2948 goto done;
2949 }
2950 }
2951 }
2952
2953 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2954 DEBUG(3, ("primary group of [%s] not found\n",
2955 pdb_get_username(user)));
2956 goto done;
2957 }
2958
2959 *p_num_groups = num_sids;
2960
2961 ret = NT_STATUS_OK;
2962
2963 done:
2964
2965 SAFE_FREE(escape_name);
2966 return ret;
2967 }
2968
2969 /**********************************************************************
2970 * Augment a posixGroup object with a sambaGroupMapping domgroup
2971 *********************************************************************/
2972
2973 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2974 struct ldapsam_privates *ldap_state,
2975 GROUP_MAP *map)
2976 {
2977 const char *filter, *dn;
2978 LDAPMessage *msg, *entry;
2979 LDAPMod **mods;
2980 int rc;
2981
2982 filter = talloc_asprintf(mem_ctx,
2983 "(&(objectClass=%s)(gidNumber=%u))",
2984 LDAP_OBJ_POSIXGROUP, map->gid);
2985 if (filter == NULL) {
2986 return NT_STATUS_NO_MEMORY;
2987 }
2988
2989 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2990 get_attr_list(mem_ctx, groupmap_attr_list),
2991 &msg);
2992 talloc_autofree_ldapmsg(mem_ctx, msg);
2993
2994 if ((rc != LDAP_SUCCESS) ||
2995 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2996 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2997 return NT_STATUS_NO_SUCH_GROUP;
2998 }
2999
3000 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3001 if (dn == NULL) {
3002 return NT_STATUS_NO_MEMORY;
3003 }
3004
3005 mods = NULL;
3006 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3007 LDAP_OBJ_GROUPMAP);
3008 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3009 sid_string_talloc(mem_ctx, &map->sid));
3010 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3011 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3012 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3013 map->nt_name);
3014 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3015 map->comment);
3016 talloc_autofree_ldapmod(mem_ctx, mods);
3017
3018 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3019 if (rc != LDAP_SUCCESS) {
3020 return NT_STATUS_ACCESS_DENIED;
3021 }
3022
3023 return NT_STATUS_OK;
3024 }
3025
3026 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3027 GROUP_MAP *map)
3028 {
3029 struct ldapsam_privates *ldap_state =
3030 (struct ldapsam_privates *)methods->private_data;
3031 LDAPMessage *msg = NULL;
3032 LDAPMod **mods = NULL;
3033 const char *attrs[] = { NULL };
3034 char *filter;
3035
3036 char *dn;
3037 TALLOC_CTX *mem_ctx;
3038 NTSTATUS result;
3039
3040 DOM_SID sid;
3041
3042 int rc;
3043
3044 mem_ctx = talloc_new(NULL);
3045 if (mem_ctx == NULL) {
3046 DEBUG(0, ("talloc_new failed\n"));
3047 return NT_STATUS_NO_MEMORY;
3048 }
3049
3050 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3051 sid_string_talloc(mem_ctx, &map->sid));
3052 if (filter == NULL) {
3053 result = NT_STATUS_NO_MEMORY;
3054 goto done;
3055 }
3056
3057 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3058 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3059 talloc_autofree_ldapmsg(mem_ctx, msg);
3060
3061 if ((rc == LDAP_SUCCESS) &&
3062 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3063
3064 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3065 "group mapping entry\n", sid_string_dbg(&map->sid)));
3066 result = NT_STATUS_GROUP_EXISTS;
3067 goto done;
3068 }
3069
3070 switch (map->sid_name_use) {
3071
3072 case SID_NAME_DOM_GRP:
3073 /* To map a domain group we need to have a posix group
3074 to attach to. */
3075 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3076 goto done;
3077 break;
3078
3079 case SID_NAME_ALIAS:
3080 if (!sid_check_is_in_our_domain(&map->sid)
3081 && !sid_check_is_in_builtin(&map->sid) )
3082 {
3083 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3084 sid_string_dbg(&map->sid)));
3085 result = NT_STATUS_INVALID_PARAMETER;
3086 goto done;
3087 }
3088 break;
3089
3090 default:
3091 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3092 sid_type_lookup(map->sid_name_use)));
3093 result = NT_STATUS_INVALID_PARAMETER;
3094 goto done;
3095 }
3096
3097 /* Domain groups have been mapped in a separate routine, we have to
3098 * create an alias now */
3099
3100 if (map->gid == -1) {
3101 DEBUG(10, ("Refusing to map gid==-1\n"));
3102 result = NT_STATUS_INVALID_PARAMETER;
3103 goto done;
3104 }
3105
3106 if (pdb_gid_to_sid(map->gid, &sid)) {
3107 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
3108 "add\n", map->gid, sid_string_dbg(&sid)));
3109 result = NT_STATUS_GROUP_EXISTS;
3110 goto done;
3111 }
3112
3113 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3114 * the best we can get out of LDAP. */
3115
3116 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3117 sid_string_talloc(mem_ctx, &map->sid),
3118 lp_ldap_group_suffix());
3119 if (dn == NULL) {
3120 result = NT_STATUS_NO_MEMORY;
3121 goto done;
3122 }
3123
3124 mods = NULL;
3125
3126 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3127 LDAP_OBJ_SID_ENTRY);
3128 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3129 LDAP_OBJ_GROUPMAP);
3130 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3131 sid_string_talloc(mem_ctx, &map->sid));
3132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3133 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3134 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3135 map->nt_name);
3136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3137 map->comment);
3138 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3139 talloc_asprintf(mem_ctx, "%u", map->gid));
3140 talloc_autofree_ldapmod(mem_ctx, mods);
3141
3142 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3143
3144 result = (rc == LDAP_SUCCESS) ?
3145 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3146
3147 done:
3148 TALLOC_FREE(mem_ctx);
3149 return result;
3150 }
3151
3152 /**********************************************************************
3153 * Update a group mapping entry. We're quite strict about what can be changed:
3154 * Only the description and displayname may be changed. It simply does not
3155 * make any sense to change the SID, gid or the type in a mapping.
3156 *********************************************************************/
3157
3158 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3159 GROUP_MAP *map)
3160 {
3161 struct ldapsam_privates *ldap_state =
3162 (struct ldapsam_privates *)methods->private_data;
3163 int rc;
3164 const char *filter, *dn;
3165 LDAPMessage *msg = NULL;
3166 LDAPMessage *entry = NULL;
3167 LDAPMod **mods = NULL;
3168 TALLOC_CTX *mem_ctx;
3169 NTSTATUS result;
3170
3171 mem_ctx = talloc_new(NULL);
3172 if (mem_ctx == NULL) {
3173 DEBUG(0, ("talloc_new failed\n"));
3174 return NT_STATUS_NO_MEMORY;
3175 }
3176
3177 /* Make 100% sure that sid, gid and type are not changed by looking up
3178 * exactly the values we're given in LDAP. */
3179
3180 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3181 "(sambaSid=%s)(gidNumber=%u)"
3182 "(sambaGroupType=%d))",
3183 LDAP_OBJ_GROUPMAP,
3184 sid_string_talloc(mem_ctx, &map->sid),
3185 map->gid, map->sid_name_use);
3186 if (filter == NULL) {
3187 result = NT_STATUS_NO_MEMORY;
3188 goto done;
3189 }
3190
3191 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3192 get_attr_list(mem_ctx, groupmap_attr_list),
3193 &msg);
3194 talloc_autofree_ldapmsg(mem_ctx, msg);
3195
3196 if ((rc != LDAP_SUCCESS) ||
3197 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3198 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3199 result = NT_STATUS_NO_SUCH_GROUP;
3200 goto done;
3201 }
3202
3203 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3204
3205 if (dn == NULL) {
3206 result = NT_STATUS_NO_MEMORY;
3207 goto done;
3208 }
3209
3210 mods = NULL;
3211 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3212 map->nt_name);
3213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3214 map->comment);
3215 talloc_autofree_ldapmod(mem_ctx, mods);
3216
3217 if (mods == NULL) {
3218 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3219 "nothing to do\n"));
3220 result = NT_STATUS_OK;
3221 goto done;
3222 }
3223
3224 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3225
3226 if (rc != LDAP_SUCCESS) {
3227 result = NT_STATUS_ACCESS_DENIED;
3228 goto done;
3229 }
3230
3231 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3232 "group %lu in LDAP\n", (unsigned long)map->gid));
3233
3234 result = NT_STATUS_OK;
3235
3236 done:
3237 TALLOC_FREE(mem_ctx);
3238 return result;
3239 }
3240
3241 /**********************************************************************
3242 *********************************************************************/
3243
3244 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3245 DOM_SID sid)
3246 {
3247 struct ldapsam_privates *priv =
3248 (struct ldapsam_privates *)methods->private_data;
3249 LDAPMessage *msg, *entry;
3250 int rc;
3251 NTSTATUS result;
3252 TALLOC_CTX *mem_ctx;
3253 char *filter;
3254
3255 mem_ctx = talloc_new(NULL);
3256 if (mem_ctx == NULL) {
3257 DEBUG(0, ("talloc_new failed\n"));
3258 return NT_STATUS_NO_MEMORY;
3259 }
3260
3261 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3262 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3263 sid_string_talloc(mem_ctx, &sid));
3264 if (filter == NULL) {
3265 result = NT_STATUS_NO_MEMORY;
3266 goto done;
3267 }
3268 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3269 get_attr_list(mem_ctx, groupmap_attr_list),
3270 &msg);
3271 talloc_autofree_ldapmsg(mem_ctx, msg);
3272
3273 if ((rc != LDAP_SUCCESS) ||
3274 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3275 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3276 result = NT_STATUS_NO_SUCH_GROUP;
3277 goto done;
3278 }
3279
3280 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3281 get_attr_list(mem_ctx,
3282 groupmap_attr_list_to_delete));
3283
3284 if ((rc == LDAP_NAMING_VIOLATION) ||
3285 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3286 const char *attrs[] = { "sambaGroupType", "description",
3287 "displayName", "sambaSIDList",
3288 NULL };
3289
3290 /* Second try. Don't delete the sambaSID attribute, this is
3291 for "old" entries that are tacked on a winbind
3292 sambaIdmapEntry. */
3293
3294 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3295 LDAP_OBJ_GROUPMAP, attrs);
3296 }
3297
3298 if ((rc == LDAP_NAMING_VIOLATION) ||
3299 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3300 const char *attrs[] = { "sambaGroupType", "description",
3301 "displayName", "sambaSIDList",
3302 "gidNumber", NULL };
3303
3304 /* Third try. This is a post-3.0.21 alias (containing only
3305 * sambaSidEntry and sambaGroupMapping classes), we also have
3306 * to delete the gidNumber attribute, only the sambaSidEntry
3307 * remains */
3308
3309 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3310 LDAP_OBJ_GROUPMAP, attrs);
3311 }
3312
3313 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3314
3315 done:
3316 TALLOC_FREE(mem_ctx);
3317 return result;
3318 }
3319
3320 /**********************************************************************
3321 *********************************************************************/
3322
3323 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3324 bool update)
3325 {
3326 struct ldapsam_privates *ldap_state =
3327 (struct ldapsam_privates *)my_methods->private_data;
3328 char *filter = NULL;
3329 int rc;
3330 const char **attr_list;
3331
3332 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3333 if (!filter) {
3334 return NT_STATUS_NO_MEMORY;
3335 }
3336 attr_list = get_attr_list( NULL, groupmap_attr_list );
3337 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3338 LDAP_SCOPE_SUBTREE, filter,
3339 attr_list, 0, &ldap_state->result);
3340 TALLOC_FREE(attr_list);
3341
3342 if (rc != LDAP_SUCCESS) {
3343 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3344 ldap_err2string(rc)));
3345 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3346 lp_ldap_group_suffix(), filter));
3347 ldap_msgfree(ldap_state->result);
3348 ldap_state->result = NULL;
3349 TALLOC_FREE(filter);
3350 return NT_STATUS_UNSUCCESSFUL;
3351 }
3352
3353 TALLOC_FREE(filter);
3354
3355 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3356 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3357 ldap_state->result)));
3358
3359 ldap_state->entry =
3360 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3361 ldap_state->result);
3362 ldap_state->index = 0;
3363
3364 return NT_STATUS_OK;
3365 }
3366
3367 /**********************************************************************
3368 *********************************************************************/
3369
3370 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3371 {
3372 ldapsam_endsampwent(my_methods);
3373 }
3374
3375 /**********************************************************************
3376 *********************************************************************/
3377
3378 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3379 GROUP_MAP *map)
3380 {
3381 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3382 struct ldapsam_privates *ldap_state =
3383 (struct ldapsam_privates *)my_methods->private_data;
3384 bool bret = False;
3385
3386 while (!bret) {
3387 if (!ldap_state->entry)
3388 return ret;
3389
3390 ldap_state->index++;
3391 bret = init_group_from_ldap(ldap_state, map,
3392 ldap_state->entry);
3393
3394 ldap_state->entry =
3395 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3396 ldap_state->entry);
3397 }
3398
3399 return NT_STATUS_OK;
3400 }
3401
3402 /**********************************************************************
3403 *********************************************************************/
3404
3405 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3406 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3407 GROUP_MAP **pp_rmap,
3408 size_t *p_num_entries,
3409 bool unix_only)
3410 {
3411 GROUP_MAP map;
3412 size_t entries = 0;
3413
3414 *p_num_entries = 0;
3415 *pp_rmap = NULL;
3416
3417 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3418 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3419 "passdb\n"));
3420 return NT_STATUS_ACCESS_DENIED;
3421 }
3422
3423 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3424 if (sid_name_use != SID_NAME_UNKNOWN &&
3425 sid_name_use != map.sid_name_use) {
3426 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3427 "not of the requested type\n", map.nt_name));
3428 continue;
3429 }
3430 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3431 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3432 "non mapped\n", map.nt_name));
3433 continue;
3434 }
3435
3436 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3437 if (!(*pp_rmap)) {
3438 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3439 "enlarge group map!\n"));
3440 return NT_STATUS_UNSUCCESSFUL;
3441 }
3442
3443 (*pp_rmap)[entries] = map;
3444
3445 entries += 1;
3446
3447 }
3448 ldapsam_endsamgrent(methods);
3449
3450 *p_num_entries = entries;
3451
3452 return NT_STATUS_OK;
3453 }
3454
3455 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3456 const DOM_SID *alias,
3457 const DOM_SID *member,
3458 int modop)
3459 {
3460 struct ldapsam_privates *ldap_state =
3461 (struct ldapsam_privates *)methods->private_data;
3462 char *dn = NULL;
3463 LDAPMessage *result = NULL;
3464 LDAPMessage *entry = NULL;
3465 int count;
3466 LDAPMod **mods = NULL;
3467 int rc;
3468 enum lsa_SidType type = SID_NAME_USE_NONE;
3469 fstring tmp;
3470
3471 char *filter = NULL;
3472
3473 if (sid_check_is_in_builtin(alias)) {
3474 type = SID_NAME_ALIAS;
3475 }
3476
3477 if (sid_check_is_in_our_domain(alias)) {
3478 type = SID_NAME_ALIAS;
3479 }
3480
3481 if (type == SID_NAME_USE_NONE) {
3482 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3483 sid_string_dbg(alias)));
3484 return NT_STATUS_NO_SUCH_ALIAS;
3485 }
3486
3487 if (asprintf(&filter,
3488 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3489 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3490 type) < 0) {
3491 return NT_STATUS_NO_MEMORY;
3492 }
3493
3494 if (ldapsam_search_one_group(ldap_state, filter,
3495 &result) != LDAP_SUCCESS) {
3496 SAFE_FREE(filter);
3497 return NT_STATUS_NO_SUCH_ALIAS;
3498 }
3499
3500 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3501 result);
3502
3503 if (count < 1) {
3504 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3505 ldap_msgfree(result);
3506 SAFE_FREE(filter);
3507 return NT_STATUS_NO_SUCH_ALIAS;
3508 }
3509
3510 if (count > 1) {
3511 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3512 "filter %s: count=%d\n", filter, count));
3513 ldap_msgfree(result);
3514 SAFE_FREE(filter);
3515 return NT_STATUS_NO_SUCH_ALIAS;
3516 }
3517
3518 SAFE_FREE(filter);
3519
3520 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3521 result);
3522
3523 if (!entry) {
3524 ldap_msgfree(result);
3525 return NT_STATUS_UNSUCCESSFUL;
3526 }
3527
3528 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3529 if (!dn) {
3530 ldap_msgfree(result);
3531 return NT_STATUS_UNSUCCESSFUL;
3532 }
3533
3534 smbldap_set_mod(&mods, modop,
3535 get_attr_key2string(groupmap_attr_list,
3536 LDAP_ATTR_SID_LIST),
3537 sid_to_fstring(tmp, member));
3538
3539 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3540
3541 ldap_mods_free(mods, True);
3542 ldap_msgfree(result);
3543 SAFE_FREE(dn);
3544
3545 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3546 return NT_STATUS_MEMBER_IN_ALIAS;
3547 }
3548
3549 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3550 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3551 }
3552
3553 if (rc != LDAP_SUCCESS) {
3554 return NT_STATUS_UNSUCCESSFUL;
3555 }
3556
3557 return NT_STATUS_OK;
3558 }
3559
3560 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3561 const DOM_SID *alias,
3562 const DOM_SID *member)
3563 {
3564 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3565 }
3566
3567 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3568 const DOM_SID *alias,
3569 const DOM_SID *member)
3570 {
3571 return ldapsam_modify_aliasmem(methods, alias, member,
3572 LDAP_MOD_DELETE);
3573 }
3574
3575 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3576 const DOM_SID *alias,
3577 DOM_SID **pp_members,
3578 size_t *p_num_members)
3579 {
3580 struct ldapsam_privates *ldap_state =
3581 (struct ldapsam_privates *)methods->private_data;
3582 LDAPMessage *result = NULL;
3583 LDAPMessage *entry = NULL;
3584 int count;
3585 char **values = NULL;
3586 int i;
3587 char *filter = NULL;
3588 size_t num_members = 0;
3589 enum lsa_SidType type = SID_NAME_USE_NONE;
3590 fstring tmp;
3591
3592 *pp_members = NULL;
3593 *p_num_members = 0;
3594
3595 if (sid_check_is_in_builtin(alias)) {
3596 type = SID_NAME_ALIAS;
3597 }
3598
3599 if (sid_check_is_in_our_domain(alias)) {
3600 type = SID_NAME_ALIAS;
3601 }
3602
3603 if (type == SID_NAME_USE_NONE) {
3604 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3605 sid_string_dbg(alias)));
3606 return NT_STATUS_NO_SUCH_ALIAS;
3607 }
3608
3609 if (asprintf(&filter,
3610 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3611 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3612 type) < 0) {
3613 return NT_STATUS_NO_MEMORY;
3614 }
3615
3616 if (ldapsam_search_one_group(ldap_state, filter,
3617 &result) != LDAP_SUCCESS) {
3618 SAFE_FREE(filter);
3619 return NT_STATUS_NO_SUCH_ALIAS;
3620 }
3621
3622 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3623 result);
3624
3625 if (count < 1) {
3626 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3627 ldap_msgfree(result);
3628 SAFE_FREE(filter);
3629 return NT_STATUS_NO_SUCH_ALIAS;
3630 }
3631
3632 if (count > 1) {
3633 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3634 "filter %s: count=%d\n", filter, count));
3635 ldap_msgfree(result);
3636 SAFE_FREE(filter);
3637 return NT_STATUS_NO_SUCH_ALIAS;
3638 }
3639
3640 SAFE_FREE(filter);
3641
3642 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3643 result);
3644
3645 if (!entry) {
3646 ldap_msgfree(result);
3647 return NT_STATUS_UNSUCCESSFUL;
3648 }
3649
3650 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3651 entry,
3652 get_attr_key2string(groupmap_attr_list,
3653 LDAP_ATTR_SID_LIST));
3654
3655 if (values == NULL) {
3656 ldap_msgfree(result);
3657 return NT_STATUS_OK;
3658 }
3659
3660 count = ldap_count_values(values);
3661
3662 for (i=0; i<count; i++) {
3663 DOM_SID member;
3664 NTSTATUS status;
3665
3666 if (!string_to_sid(&member, values[i]))
3667 continue;
3668
3669 status = add_sid_to_array(NULL, &member, pp_members,
3670 &num_members);
3671 if (!NT_STATUS_IS_OK(status)) {
3672 ldap_value_free(values);
3673 ldap_msgfree(result);
3674 return status;
3675 }
3676 }
3677
3678 *p_num_members = num_members;
3679 ldap_value_free(values);
3680 ldap_msgfree(result);
3681
3682 return NT_STATUS_OK;
3683 }
3684
3685 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3686 TALLOC_CTX *mem_ctx,
3687 const DOM_SID *domain_sid,
3688 const DOM_SID *members,
3689 size_t num_members,
3690 uint32 **pp_alias_rids,
3691 size_t *p_num_alias_rids)
3692 {
3693 struct ldapsam_privates *ldap_state =
3694 (struct ldapsam_privates *)methods->private_data;
3695 LDAP *ldap_struct;
3696
3697 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3698
3699 LDAPMessage *result = NULL;
3700 LDAPMessage *entry = NULL;
3701 int i;
3702 int rc;
3703 char *filter;
3704 enum lsa_SidType type = SID_NAME_USE_NONE;
3705
3706 if (sid_check_is_builtin(domain_sid)) {
3707 type = SID_NAME_ALIAS;
3708 }
3709
3710 if (sid_check_is_domain(domain_sid)) {
3711 type = SID_NAME_ALIAS;
3712 }
3713
3714 if (type == SID_NAME_USE_NONE) {
3715 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3716 sid_string_dbg(domain_sid)));
3717 return NT_STATUS_UNSUCCESSFUL;
3718 }
3719
3720 filter = talloc_asprintf(mem_ctx,
3721 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3722 LDAP_OBJ_GROUPMAP, type);
3723
3724 for (i=0; i<num_members; i++)
3725 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3726 filter,
3727 sid_string_talloc(mem_ctx,
3728 &members[i]));
3729
3730 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3731
3732 if (filter == NULL) {
3733 return NT_STATUS_NO_MEMORY;
3734 }
3735
3736 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3737 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3738
3739 if (rc != LDAP_SUCCESS)
3740 return NT_STATUS_UNSUCCESSFUL;
3741
3742 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3743
3744 for (entry = ldap_first_entry(ldap_struct, result);
3745 entry != NULL;
3746 entry = ldap_next_entry(ldap_struct, entry))
3747 {
3748 fstring sid_str;
3749 DOM_SID sid;
3750 uint32 rid;
3751
3752 if (!smbldap_get_single_attribute(ldap_struct, entry,
3753 LDAP_ATTRIBUTE_SID,
3754 sid_str,
3755 sizeof(sid_str)-1))
3756 continue;
3757
3758 if (!string_to_sid(&sid, sid_str))
3759 continue;
3760
3761 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3762 continue;
3763
3764 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3765 p_num_alias_rids)) {
3766 ldap_msgfree(result);
3767 return NT_STATUS_NO_MEMORY;
3768 }
3769 }
3770
3771 ldap_msgfree(result);
3772 return NT_STATUS_OK;
3773 }
3774
3775 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3776 int policy_index,
3777 uint32 value)
3778 {
3779 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3780 int rc;
3781 LDAPMod **mods = NULL;
3782 fstring value_string;
3783 const char *policy_attr = NULL;
3784
3785 struct ldapsam_privates *ldap_state =
3786 (struct ldapsam_privates *)methods->private_data;
3787
3788 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3789
3790 if (!ldap_state->domain_dn) {
3791 return NT_STATUS_INVALID_PARAMETER;
3792 }
3793
3794 policy_attr = get_account_policy_attr(policy_index);
3795 if (policy_attr == NULL) {
3796 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3797 "policy\n"));
3798 return ntstatus;
3799 }
3800
3801 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3802
3803 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3804
3805 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3806 mods);
3807
3808 ldap_mods_free(mods, True);
3809
3810 if (rc != LDAP_SUCCESS) {
3811 return ntstatus;
3812 }
3813
3814 if (!cache_account_policy_set(policy_index, value)) {
3815 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3816 "update local tdb cache\n"));
3817 return ntstatus;
3818 }
3819
3820 return NT_STATUS_OK;
3821 }
3822
3823 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3824 int policy_index, uint32 value)
3825 {
3826 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3827 value);
3828 }
3829
3830 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3831 int policy_index,
3832 uint32 *value)
3833 {
3834 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3835 LDAPMessage *result = NULL;
3836 LDAPMessage *entry = NULL;
3837 int count;
3838 int rc;
3839 char **vals = NULL;
3840 const char *policy_attr = NULL;
3841
3842 struct ldapsam_privates *ldap_state =
3843 (struct ldapsam_privates *)methods->private_data;
3844
3845 const char *attrs[2];
3846
3847 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3848
3849 if (!ldap_state->domain_dn) {
3850 return NT_STATUS_INVALID_PARAMETER;
3851 }
3852
3853 policy_attr = get_account_policy_attr(policy_index);
3854 if (!policy_attr) {
3855 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3856 "policy index: %d\n", policy_index));
3857 return ntstatus;
3858 }
3859
3860 attrs[0] = policy_attr;
3861 attrs[1] = NULL;
3862
3863 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3864 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3865 &result);
3866
3867 if (rc != LDAP_SUCCESS) {
3868 return ntstatus;
3869 }
3870
3871 count = ldap_count_entries(priv2ld(ldap_state), result);
3872 if (count < 1) {
3873 goto out;
3874 }
3875
3876 entry = ldap_first_entry(priv2ld(ldap_state), result);
3877 if (entry == NULL) {
3878 goto out;
3879 }
3880
3881 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3882 if (vals == NULL) {
3883 goto out;
3884 }
3885
3886 *value = (uint32)atol(vals[0]);
3887
3888 ntstatus = NT_STATUS_OK;
3889
3890 out:
3891 if (vals)
3892 ldap_value_free(vals);
3893 ldap_msgfree(result);
3894
3895 return ntstatus;
3896 }
3897
3898 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3899
3900 - if user hasn't decided to use account policies inside LDAP just reuse the
3901 old tdb values
3902
3903 - if there is a valid cache entry, return that
3904 - if there is an LDAP entry, update cache and return
3905 - otherwise set to default, update cache and return
3906
3907 Guenther
3908 */
3909 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3910 int policy_index, uint32 *value)
3911 {
3912 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3913
3914 if (cache_account_policy_get(policy_index, value)) {
3915 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3916 "cache\n"));
3917 return NT_STATUS_OK;
3918 }
3919
3920 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3921 value);
3922 if (NT_STATUS_IS_OK(ntstatus)) {
3923 goto update_cache;
3924 }
3925
3926 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3927 "ldap\n"));
3928
3929 #if 0
3930 /* should we automagically migrate old tdb value here ? */
3931 if (account_policy_get(policy_index, value))
3932 goto update_ldap;
3933
3934 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3935 "default\n", policy_index));
3936 #endif
3937
3938 if (!account_policy_get_default(policy_index, value)) {
3939 return ntstatus;
3940 }
3941
3942 /* update_ldap: */
3943
3944 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3945 if (!NT_STATUS_IS_OK(ntstatus)) {
3946 return ntstatus;
3947 }
3948
3949 update_cache:
3950
3951 if (!cache_account_policy_set(policy_index, *value)) {
3952 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3953 "tdb as a cache\n"));
3954 return NT_STATUS_UNSUCCESSFUL;
3955 }
3956
3957 return NT_STATUS_OK;
3958 }
3959
3960 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3961 const DOM_SID *domain_sid,
3962 int num_rids,
3963 uint32 *rids,
3964 const char **names,
3965 enum lsa_SidType *attrs)
3966 {
3967 struct ldapsam_privates *ldap_state =
3968 (struct ldapsam_privates *)methods->private_data;
3969 LDAPMessage *msg = NULL;
3970 LDAPMessage *entry;
3971 char *allsids = NULL;
3972 int i, rc, num_mapped;
3973 NTSTATUS result = NT_STATUS_NO_MEMORY;
3974 TALLOC_CTX *mem_ctx;
3975 LDAP *ld;
3976 bool is_builtin;
3977
3978 mem_ctx = talloc_new(NULL);
3979 if (mem_ctx == NULL) {
3980 DEBUG(0, ("talloc_new failed\n"));
3981 goto done;
3982 }
3983
3984 if (!sid_check_is_builtin(domain_sid) &&
3985 !sid_check_is_domain(domain_sid)) {
3986 result = NT_STATUS_INVALID_PARAMETER;
3987 goto done;
3988 }
3989
3990 for (i=0; i<num_rids; i++)
3991 attrs[i] = SID_NAME_UNKNOWN;
3992
3993 allsids = talloc_strdup(mem_ctx, "");
3994 if (allsids == NULL) {
3995 goto done;
3996 }
3997
3998 for (i=0; i<num_rids; i++) {
3999 DOM_SID sid;
4000 sid_compose(&sid, domain_sid, rids[i]);
4001 allsids = talloc_asprintf_append_buffer(
4002 allsids, "(sambaSid=%s)",
4003 sid_string_talloc(mem_ctx, &sid));
4004 if (allsids == NULL) {
4005 goto done;
4006 }
4007 }
4008
4009 /* First look for users */
4010
4011 {
4012 char *filter;
4013 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4014
4015 filter = talloc_asprintf(
4016 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4017 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4018
4019 if (filter == NULL) {
4020 goto done;
4021 }
4022
4023 rc = smbldap_search(ldap_state->smbldap_state,
4024 lp_ldap_user_suffix(),
4025 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4026 &msg);
4027 talloc_autofree_ldapmsg(mem_ctx, msg);
4028 }
4029
4030 if (rc != LDAP_SUCCESS)
4031 goto done;
4032
4033 ld = ldap_state->smbldap_state->ldap_struct;
4034 num_mapped = 0;
4035
4036 for (entry = ldap_first_entry(ld, msg);
4037 entry != NULL;
4038 entry = ldap_next_entry(ld, entry)) {
4039 uint32 rid;
4040 int rid_index;
4041 const char *name;
4042
4043 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4044 &rid)) {
4045 DEBUG(2, ("Could not find sid from ldap entry\n"));
4046 continue;
4047 }
4048
4049 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4050 names);
4051 if (name == NULL) {
4052 DEBUG(2, ("Could not retrieve uid attribute\n"));
4053 continue;
4054 }
4055
4056 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4057 if (rid == rids[rid_index])
4058 break;
4059 }
4060
4061 if (rid_index == num_rids) {
4062 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4063 continue;
4064 }
4065
4066 attrs[rid_index] = SID_NAME_USER;
4067 names[rid_index] = name;
4068 num_mapped += 1;
4069 }
4070
4071 if (num_mapped == num_rids) {
4072 /* No need to look for groups anymore -- we're done */
4073 result = NT_STATUS_OK;
4074 goto done;
4075 }
4076
4077 /* Same game for groups */
4078
4079 {
4080 char *filter;
4081 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4082 "sambaGroupType", NULL };
4083
4084 filter = talloc_asprintf(
4085 mem_ctx, "(&(objectClass=%s)(|%s))",
4086 LDAP_OBJ_GROUPMAP, allsids);
4087 if (filter == NULL) {
4088 goto done;
4089 }
4090
4091 rc = smbldap_search(ldap_state->smbldap_state,
4092 lp_ldap_group_suffix(),
4093 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4094 &msg);
4095 talloc_autofree_ldapmsg(mem_ctx, msg);
4096 }
4097
4098 if (rc != LDAP_SUCCESS)
4099 goto done;
4100
4101 /* ldap_struct might have changed due to a reconnect */
4102
4103 ld = ldap_state->smbldap_state->ldap_struct;
4104
4105 /* For consistency checks, we already checked we're only domain or builtin */
4106
4107 is_builtin = sid_check_is_builtin(domain_sid);
4108
4109 for (entry = ldap_first_entry(ld, msg);
4110 entry != NULL;
4111 entry = ldap_next_entry(ld, entry))
4112 {
4113 uint32 rid;
4114 int rid_index;
4115 const char *attr;
4116 enum lsa_SidType type;
4117 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4118
4119 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4120 mem_ctx);
4121 if (attr == NULL) {
4122 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4123 dn));
4124 continue;
4125 }
4126
4127 type = (enum lsa_SidType)atol(attr);
4128
4129 /* Consistency checks */
4130 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4131 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4132 (type != SID_NAME_DOM_GRP)))) {
4133 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4134 }
4135
4136 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4137 &rid)) {
4138 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4139 continue;
4140 }
4141
4142 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4143
4144 if (attr == NULL) {
4145 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4146 dn));
4147 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4148 }
4149
4150 if (attr == NULL) {
4151 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4152 dn));
4153 continue;
4154 }
4155
4156 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4157 if (rid == rids[rid_index])
4158 break;
4159 }
4160
4161 if (rid_index == num_rids) {
4162 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4163 continue;
4164 }
4165
4166 attrs[rid_index] = type;
4167 names[rid_index] = attr;
4168 num_mapped += 1;
4169 }
4170
4171 result = NT_STATUS_NONE_MAPPED;
4172
4173 if (num_mapped > 0)
4174 result = (num_mapped == num_rids) ?
4175 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4176 done:
4177 TALLOC_FREE(mem_ctx);
4178 return result;
4179 }
4180
4181 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4182 {
4183 char *filter = NULL;
4184 char *escaped = NULL;
4185 char *result = NULL;
4186
4187 asprintf(&filter, "(&%s(objectclass=%s))",
4188 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT);
4189 if (filter == NULL) goto done;
4190
4191 escaped = escape_ldap_string_alloc(username);
4192 if (escaped == NULL) goto done;
4193
4194 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4195
4196 done:
4197 SAFE_FREE(filter);
4198 SAFE_FREE(escaped);
4199
4200 return result;
4201 }
4202
4203 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4204 {
4205 int i, num = 0;
4206 va_list ap;
4207 const char **result;
4208
4209 va_start(ap, mem_ctx);
4210 while (va_arg(ap, const char *) != NULL)
4211 num += 1;
4212 va_end(ap);
4213
4214 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4215 return NULL;
4216 }
4217
4218 va_start(ap, mem_ctx);
4219 for (i=0; i<num; i++) {
4220 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4221 if (result[i] == NULL) {
4222 talloc_free(result);
4223 return NULL;
4224 }
4225 }
4226 va_end(ap);
4227
4228 result[num] = NULL;
4229 return result;
4230 }
4231
4232 struct ldap_search_state {
4233 struct smbldap_state *connection;
4234
4235 uint32 acct_flags;
4236 uint16 group_type;
4237
4238 const char *base;
4239 int scope;
4240 const char *filter;
4241 const char **attrs;
4242 int attrsonly;
4243 void *pagedresults_cookie;
4244
4245 LDAPMessage *entries, *current_entry;
4246 bool (*ldap2displayentry)(struct ldap_search_state *state,
4247 TALLOC_CTX *mem_ctx,
4248 LDAP *ld, LDAPMessage *entry,
4249 struct samr_displayentry *result);
4250 };
4251
4252 static bool ldapsam_search_firstpage(struct pdb_search *search)
4253 {
4254 struct ldap_search_state *state =
4255 (struct ldap_search_state *)search->private_data;
4256 LDAP *ld;
4257 int rc = LDAP_OPERATIONS_ERROR;
4258
4259 state->entries = NULL;
4260
4261 if (state->connection->paged_results) {
4262 rc = smbldap_search_paged(state->connection, state->base,
4263 state->scope, state->filter,
4264 state->attrs, state->attrsonly,
4265 lp_ldap_page_size(), &state->entries,
4266 &state->pagedresults_cookie);
4267 }
4268
4269 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4270
4271 if (state->entries != NULL) {
4272 /* Left over from unsuccessful paged attempt */
4273 ldap_msgfree(state->entries);
4274 state->entries = NULL;
4275 }
4276
4277 rc = smbldap_search(state->connection, state->base,
4278 state->scope, state->filter, state->attrs,
4279 state->attrsonly, &state->entries);
4280
4281 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4282 return False;
4283
4284 /* Ok, the server was lying. It told us it could do paged
4285 * searches when it could not. */
4286 state->connection->paged_results = False;
4287 }
4288
4289 ld = state->connection->ldap_struct;
4290 if ( ld == NULL) {
4291 DEBUG(5, ("Don't have an LDAP connection right after a "
4292 "search\n"));
4293 return False;
4294 }
4295 state->current_entry = ldap_first_entry(ld, state->entries);
4296
4297 if (state->current_entry == NULL) {
4298 ldap_msgfree(state->entries);
4299 state->entries = NULL;
4300 }
4301
4302 return True;
4303 }
4304
4305 static bool ldapsam_search_nextpage(struct pdb_search *search)
4306 {
4307 struct ldap_search_state *state =
4308 (struct ldap_search_state *)search->private_data;
4309 int rc;
4310
4311 if (!state->connection->paged_results) {
4312 /* There is no next page when there are no paged results */
4313 return False;
4314 }
4315
4316 rc = smbldap_search_paged(state->connection, state->base,
4317 state->scope, state->filter, state->attrs,
4318 state->attrsonly, lp_ldap_page_size(),
4319 &state->entries,
4320 &state->pagedresults_cookie);
4321
4322 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4323 return False;
4324
4325 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4326
4327 if (state->current_entry == NULL) {
4328 ldap_msgfree(state->entries);
4329 state->entries = NULL;
4330 }
4331
4332 return True;
4333 }
4334
4335 static bool ldapsam_search_next_entry(struct pdb_search *search,
4336 struct samr_displayentry *entry)
4337 {
4338 struct ldap_search_state *state =
4339 (struct ldap_search_state *)search->private_data;
4340 bool result;
4341
4342 retry:
4343 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4344 return False;
4345
4346 if ((state->entries == NULL) &&
4347 !ldapsam_search_nextpage(search))
4348 return False;
4349
4350 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4351 state->current_entry, entry);
4352
4353 if (!result) {
4354 char *dn;
4355 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4356 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4357 if (dn != NULL) ldap_memfree(dn);
4358 }
4359
4360 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4361
4362 if (state->current_entry == NULL) {
4363 ldap_msgfree(state->entries);
4364 state->entries = NULL;
4365 }
4366
4367 if (!result) goto retry;
4368
4369 return True;
4370 }
4371
4372 static void ldapsam_search_end(struct pdb_search *search)
4373 {
4374 struct ldap_search_state *state =
4375 (struct ldap_search_state *)search->private_data;
4376 int rc;
4377
4378 if (state->pagedresults_cookie == NULL)
4379 return;
4380
4381 if (state->entries != NULL)
4382 ldap_msgfree(state->entries);
4383
4384 state->entries = NULL;
4385 state->current_entry = NULL;
4386
4387 if (!state->connection->paged_results)
4388 return;
4389
4390 /* Tell the LDAP server we're not interested in the rest anymore. */
4391
4392 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4393 state->filter, state->attrs,
4394 state->attrsonly, 0, &state->entries,
4395 &state->pagedresults_cookie);
4396
4397 if (rc != LDAP_SUCCESS)
4398 DEBUG(5, ("Could not end search properly\n"));
4399
4400 return;
4401 }
4402
4403 static bool ldapuser2displayentry(struct ldap_search_state *state,
4404 TALLOC_CTX *mem_ctx,
4405 LDAP *ld, LDAPMessage *entry,
4406 struct samr_displayentry *result)
4407 {
4408 char **vals;
4409 size_t converted_size;
4410 DOM_SID sid;
4411 uint32 acct_flags;
4412
4413 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4414 if ((vals == NULL) || (vals[0] == NULL)) {
4415 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4416 return False;
4417 }
4418 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4419 ldap_value_free(vals);
4420
4421 if ((state->acct_flags != 0) &&
4422 ((state->acct_flags & acct_flags) == 0))
4423 return False;
4424
4425 result->acct_flags = acct_flags;
4426 result->account_name = "";
4427 result->fullname = "";
4428 result->description = "";
4429
4430 vals = ldap_get_values(ld, entry, "uid");
4431 if ((vals == NULL) || (vals[0] == NULL)) {
4432 DEBUG(5, ("\"uid\" not found\n"));
4433 return False;
4434 }
4435 if (!pull_utf8_talloc(mem_ctx,
4436 CONST_DISCARD(char **, &result->account_name),
4437 vals[0], &converted_size))
4438 {
4439 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4440 strerror(errno)));
4441 }
4442
4443 ldap_value_free(vals);
4444
4445 vals = ldap_get_values(ld, entry, "displayName");
4446 if ((vals == NULL) || (vals[0] == NULL))
4447 DEBUG(8, ("\"displayName\" not found\n"));
4448 else if (!pull_utf8_talloc(mem_ctx,
4449 CONST_DISCARD(char **, &result->fullname),
4450 vals[0], &converted_size))
4451 {
4452 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4453 strerror(errno)));
4454 }
4455
4456 ldap_value_free(vals);
4457
4458 vals = ldap_get_values(ld, entry, "description");
4459 if ((vals == NULL) || (vals[0] == NULL))
4460 DEBUG(8, ("\"description\" not found\n"));
4461 else if (!pull_utf8_talloc(mem_ctx,
4462 CONST_DISCARD(char **, &result->description),
4463 vals[0], &converted_size))
4464 {
4465 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4466 strerror(errno)));
4467 }
4468
4469 ldap_value_free(vals);
4470
4471 if ((result->account_name == NULL) ||
4472 (result->fullname == NULL) ||
4473 (result->description == NULL)) {
4474 DEBUG(0, ("talloc failed\n"));
4475 return False;
4476 }
4477
4478 vals = ldap_get_values(ld, entry, "sambaSid");
4479 if ((vals == NULL) || (vals[0] == NULL)) {
4480 DEBUG(0, ("\"objectSid\" not found\n"));
4481 return False;
4482 }
4483
4484 if (!string_to_sid(&sid, vals[0])) {
4485 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4486 ldap_value_free(vals);
4487 return False;
4488 }
4489 ldap_value_free(vals);
4490
4491 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4492 DEBUG(0, ("sid %s does not belong to our domain\n",
4493 sid_string_dbg(&sid)));
4494 return False;
4495 }
4496
4497 return True;
4498 }
4499
4500
4501 static bool ldapsam_search_users(struct pdb_methods *methods,
4502 struct pdb_search *search,
4503 uint32 acct_flags)
4504 {
4505 struct ldapsam_privates *ldap_state =
4506 (struct ldapsam_privates *)methods->private_data;
4507 struct ldap_search_state *state;
4508
4509 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4510 if (state == NULL) {
4511 DEBUG(0, ("talloc failed\n"));
4512 return False;
4513 }
4514
4515 state->connection = ldap_state->smbldap_state;
4516
4517 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4518 state->base = lp_ldap_user_suffix();
4519 else if ((acct_flags != 0) &&
4520 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4521 state->base = lp_ldap_machine_suffix();
4522 else
4523 state->base = lp_ldap_suffix();
4524
4525 state->acct_flags = acct_flags;
4526 state->base = talloc_strdup(search->mem_ctx, state->base);
4527 state->scope = LDAP_SCOPE_SUBTREE;
4528 state->filter = get_ldap_filter(search->mem_ctx, "*");
4529 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4530 "displayName", "description",
4531 "sambaAcctFlags", NULL);
4532 state->attrsonly = 0;
4533 state->pagedresults_cookie = NULL;
4534 state->entries = NULL;
4535 state->ldap2displayentry = ldapuser2displayentry;
4536
4537 if ((state->filter == NULL) || (state->attrs == NULL)) {
4538 DEBUG(0, ("talloc failed\n"));
4539 return False;
4540 }
4541
4542 search->private_data = state;
4543 search->next_entry = ldapsam_search_next_entry;
4544 search->search_end = ldapsam_search_end;
4545
4546 return ldapsam_search_firstpage(search);
4547 }
4548
4549 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4550 TALLOC_CTX *mem_ctx,
4551 LDAP *ld, LDAPMessage *entry,
4552 struct samr_displayentry *result)
4553 {
4554 char **vals;
4555 size_t converted_size;
4556 DOM_SID sid;
4557 uint16 group_type;
4558
4559 result->account_name = "";
4560 result->fullname = "";
4561 result->description = "";
4562
4563
4564 vals = ldap_get_values(ld, entry, "sambaGroupType");
4565 if ((vals == NULL) || (vals[0] == NULL)) {
4566 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4567 if (vals != NULL) {
4568 ldap_value_free(vals);
4569 }
4570 return False;
4571 }
4572
4573 group_type = atoi(vals[0]);
4574
4575 if ((state->group_type != 0) &&
4576 ((state->group_type != group_type))) {
4577 ldap_value_free(vals);
4578 return False;
4579 }
4580
4581 ldap_value_free(vals);
4582
4583 /* display name is the NT group name */
4584
4585 vals = ldap_get_values(ld, entry, "displayName");
4586 if ((vals == NULL) || (vals[0] == NULL)) {
4587 DEBUG(8, ("\"displayName\" not found\n"));
4588
4589 /* fallback to the 'cn' attribute */
4590 vals = ldap_get_values(ld, entry, "cn");
4591 if ((vals == NULL) || (vals[0] == NULL)) {
4592 DEBUG(5, ("\"cn\" not found\n"));
4593 return False;
4594 }
4595 if (!pull_utf8_talloc(mem_ctx,
4596 CONST_DISCARD(char **,
4597 &result->account_name),
4598 vals[0], &converted_size))
4599 {
4600 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4601 "failed: %s", strerror(errno)));
4602 }
4603 }
4604 else if (!pull_utf8_talloc(mem_ctx,
4605 CONST_DISCARD(char **,
4606 &result->account_name),
4607 vals[0], &converted_size))
4608 {
4609 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4610 strerror(errno)));
4611 }
4612
4613 ldap_value_free(vals);
4614
4615 vals = ldap_get_values(ld, entry, "description");
4616 if ((vals == NULL) || (vals[0] == NULL))
4617 DEBUG(8, ("\"description\" not found\n"));
4618 else if (!pull_utf8_talloc(mem_ctx,
4619 CONST_DISCARD(char **, &result->description),
4620 vals[0], &converted_size))
4621 {
4622 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4623 strerror(errno)));
4624 }
4625 ldap_value_free(vals);
4626
4627 if ((result->account_name == NULL) ||
4628 (result->fullname == NULL) ||
4629 (result->description == NULL)) {
4630 DEBUG(0, ("talloc failed\n"));
4631 return False;
4632 }
4633
4634 vals = ldap_get_values(ld, entry, "sambaSid");
4635 if ((vals == NULL) || (vals[0] == NULL)) {
4636 DEBUG(0, ("\"objectSid\" not found\n"));
4637 if (vals != NULL) {
4638 ldap_value_free(vals);
4639 }
4640 return False;
4641 }
4642
4643 if (!string_to_sid(&sid, vals[0])) {
4644 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4645 return False;
4646 }
4647
4648 ldap_value_free(vals);
4649
4650 switch (group_type) {
4651 case SID_NAME_DOM_GRP:
4652 case SID_NAME_ALIAS:
4653
4654 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4655 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4656 {
4657 DEBUG(0, ("%s is not in our domain\n",
4658 sid_string_dbg(&sid)));
4659 return False;
4660 }
4661 break;
4662
4663 default:
4664 DEBUG(0,("unkown group type: %d\n", group_type));
4665 return False;
4666 }
4667
4668 result->acct_flags = 0;
4669
4670 return True;
4671 }
4672
4673 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4674 struct pdb_search *search,
4675 const DOM_SID *sid,
4676 enum lsa_SidType type)
4677 {
4678 struct ldapsam_privates *ldap_state =
4679 (struct ldapsam_privates *)methods->private_data;
4680 struct ldap_search_state *state;
4681 fstring tmp;
4682
4683 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4684 if (state == NULL) {
4685 DEBUG(0, ("talloc failed\n"));
4686 return False;
4687 }
4688
4689 state->connection = ldap_state->smbldap_state;
4690
4691 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4692 state->connection = ldap_state->smbldap_state;
4693 state->scope = LDAP_SCOPE_SUBTREE;
4694 state->filter = talloc_asprintf(search->mem_ctx,
4695 "(&(objectclass=%s)"
4696 "(sambaGroupType=%d)(sambaSID=%s*))",
4697 LDAP_OBJ_GROUPMAP,
4698 type, sid_to_fstring(tmp, sid));
4699 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4700 "displayName", "description",
4701 "sambaGroupType", NULL);
4702 state->attrsonly = 0;
4703 state->pagedresults_cookie = NULL;
4704 state->entries = NULL;
4705 state->group_type = type;
4706 state->ldap2displayentry = ldapgroup2displayentry;
4707
4708 if ((state->filter == NULL) || (state->attrs == NULL)) {
4709 DEBUG(0, ("talloc failed\n"));
4710 return False;
4711 }
4712
4713 search->private_data = state;
4714 search->next_entry = ldapsam_search_next_entry;
4715 search->search_end = ldapsam_search_end;
4716
4717 return ldapsam_search_firstpage(search);
4718 }
4719
4720 static bool ldapsam_search_groups(struct pdb_methods *methods,
4721 struct pdb_search *search)
4722 {
4723 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4724 }
4725
4726 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4727 struct pdb_search *search,
4728 const DOM_SID *sid)
4729 {
4730 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4731 }
4732
4733 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4734 {
4735 return False;
4736 }
4737
4738 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4739 uint32 *rid)
4740 {
4741 struct smbldap_state *smbldap_state = priv->smbldap_state;
4742
4743 LDAPMessage *result = NULL;
4744 LDAPMessage *entry = NULL;
4745 LDAPMod **mods = NULL;
4746 NTSTATUS status;
4747 char *value;
4748 int rc;
4749 uint32 nextRid = 0;
4750 const char *dn;
4751
4752 TALLOC_CTX *mem_ctx;
4753
4754 mem_ctx = talloc_new(NULL);
4755 if (mem_ctx == NULL) {
4756 DEBUG(0, ("talloc_new failed\n"));
4757 return NT_STATUS_NO_MEMORY;
4758 }
4759
4760 status = smbldap_search_domain_info(smbldap_state, &result,
4761 get_global_sam_name(), False);
4762 if (!NT_STATUS_IS_OK(status)) {
4763 DEBUG(3, ("Could not get domain info: %s\n",
4764 nt_errstr(status)));
4765 goto done;
4766 }
4767
4768 talloc_autofree_ldapmsg(mem_ctx, result);
4769
4770 entry = ldap_first_entry(priv2ld(priv), result);
4771 if (entry == NULL) {
4772 DEBUG(0, ("Could not get domain info entry\n"));
4773 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4774 goto done;
4775 }
4776
4777 /* Find the largest of the three attributes "sambaNextRid",
4778 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4779 concept of differentiating between user and group rids, and will
4780 use only "sambaNextRid" in the future. But for compatibility
4781 reasons I look if others have chosen different strategies -- VL */
4782
4783 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4784 "sambaNextRid", mem_ctx);
4785 if (value != NULL) {
4786 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4787 nextRid = MAX(nextRid, tmp);
4788 }
4789
4790 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4791 "sambaNextUserRid", mem_ctx);
4792 if (value != NULL) {
4793 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4794 nextRid = MAX(nextRid, tmp);
4795 }
4796
4797 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4798 "sambaNextGroupRid", mem_ctx);
4799 if (value != NULL) {
4800 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4801 nextRid = MAX(nextRid, tmp);
4802 }
4803
4804 if (nextRid == 0) {
4805 nextRid = BASE_RID-1;
4806 }
4807
4808 nextRid += 1;
4809
4810 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4811 talloc_asprintf(mem_ctx, "%d", nextRid));
4812 talloc_autofree_ldapmod(mem_ctx, mods);
4813
4814 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4815 status = NT_STATUS_NO_MEMORY;
4816 goto done;
4817 }
4818
4819 rc = smbldap_modify(smbldap_state, dn, mods);
4820
4821 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4822 * please retry" */
4823
4824 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4825
4826 done:
4827 if (NT_STATUS_IS_OK(status)) {
4828 *rid = nextRid;
4829 }
4830
4831 TALLOC_FREE(mem_ctx);
4832 return status;
4833 }
4834
4835 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4836 {
4837 int i;
4838
4839 for (i=0; i<10; i++) {
4840 NTSTATUS result = ldapsam_get_new_rid(
4841 (struct ldapsam_privates *)methods->private_data, rid);
4842 if (NT_STATUS_IS_OK(result)) {
4843 return result;
4844 }
4845
4846 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4847 return result;
4848 }
4849
4850 /* The ldap update failed (maybe a race condition), retry */
4851 }
4852
4853 /* Tried 10 times, fail. */
4854 return NT_STATUS_ACCESS_DENIED;
4855 }
4856
4857 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4858 {
4859 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4860 return NT_STATUS_IS_OK(result) ? True : False;
4861 }
4862
4863 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4864 const DOM_SID *sid,
4865 union unid_t *id, enum lsa_SidType *type)
4866 {
4867 struct ldapsam_privates *priv =
4868 (struct ldapsam_privates *)methods->private_data;
4869 char *filter;
4870 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4871 NULL };
4872 LDAPMessage *result = NULL;
4873 LDAPMessage *entry = NULL;
4874 bool ret = False;
4875 char *value;
4876 int rc;
4877
4878 TALLOC_CTX *mem_ctx;
4879
4880 mem_ctx = talloc_new(NULL);
4881 if (mem_ctx == NULL) {
4882 DEBUG(0, ("talloc_new failed\n"));
4883 return False;
4884 }
4885
4886 filter = talloc_asprintf(mem_ctx,
4887 "(&(sambaSid=%s)"
4888 "(|(objectClass=%s)(objectClass=%s)))",
4889 sid_string_talloc(mem_ctx, sid),
4890 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4891 if (filter == NULL) {
4892 DEBUG(5, ("talloc_asprintf failed\n"));
4893 goto done;
4894 }
4895
4896 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4897 attrs, &result);
4898 if (rc != LDAP_SUCCESS) {
4899 goto done;
4900 }
4901 talloc_autofree_ldapmsg(mem_ctx, result);
4902
4903 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4904 DEBUG(10, ("Got %d entries, expected one\n",
4905 ldap_count_entries(priv2ld(priv), result)));
4906 goto done;
4907 }
4908
4909 entry = ldap_first_entry(priv2ld(priv), result);
4910
4911 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4912 "sambaGroupType", mem_ctx);
4913
4914 if (value != NULL) {
4915 const char *gid_str;
4916 /* It's a group */
4917
4918 gid_str = smbldap_talloc_single_attribute(
4919 priv2ld(priv), entry, "gidNumber", mem_ctx);
4920 if (gid_str == NULL) {
4921 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4922 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4923 entry)));
4924 goto done;
4925 }
4926
4927 id->gid = strtoul(gid_str, NULL, 10);
4928 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4929 ret = True;
4930 goto done;
4931 }
4932
4933 /* It must be a user */
4934
4935 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4936 "uidNumber", mem_ctx);
4937 if (value == NULL) {
4938 DEBUG(1, ("Could not find uidNumber in %s\n",
4939 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4940 goto done;
4941 }
4942
4943 id->uid = strtoul(value, NULL, 10);
4944 *type = SID_NAME_USER;
4945
4946 ret = True;
4947 done:
4948 TALLOC_FREE(mem_ctx);
4949 return ret;
4950 }
4951
4952 /*
4953 * The following functions is called only if
4954 * ldapsam:trusted and ldapsam:editposix are
4955 * set to true
4956 */
4957
4958 /*
4959 * ldapsam_create_user creates a new
4960 * posixAccount and sambaSamAccount object
4961 * in the ldap users subtree
4962 *
4963 * The uid is allocated by winbindd.
4964 */
4965
4966 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4967 TALLOC_CTX *tmp_ctx, const char *name,
4968 uint32 acb_info, uint32 *rid)
4969 {
4970 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4971 LDAPMessage *entry = NULL;
4972 LDAPMessage *result = NULL;
4973 uint32 num_result;
4974 bool is_machine = False;
4975 bool add_posix = False;
4976 LDAPMod **mods = NULL;
4977 struct samu *user;
4978 char *filter;
4979 char *username;
4980 char *homedir;
4981 char *gidstr;
4982 char *uidstr;
4983 char *shell;
4984 const char *dn = NULL;
4985 DOM_SID group_sid;
4986 DOM_SID user_sid;
4987 gid_t gid = -1;
4988 uid_t uid = -1;
4989 NTSTATUS ret;
4990 int rc;
4991
4992 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4993 acb_info & ACB_WSTRUST ||
4994 acb_info & ACB_SVRTRUST ||
4995 acb_info & ACB_DOMTRUST) {
4996 is_machine = True;
4997 }
4998
4999 username = escape_ldap_string_alloc(name);
5000 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5001 username, LDAP_OBJ_POSIXACCOUNT);
5002 SAFE_FREE(username);
5003
5004 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5005 if (rc != LDAP_SUCCESS) {
5006 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5007 return NT_STATUS_ACCESS_DENIED;
5008 }
5009 talloc_autofree_ldapmsg(tmp_ctx, result);
5010
5011 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5012
5013 if (num_result > 1) {
5014 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5015 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5016 }
5017
5018 if (num_result == 1) {
5019 char *tmp;
5020 /* check if it is just a posix account.
5021 * or if there is a sid attached to this entry
5022 */
5023
5024 entry = ldap_first_entry(priv2ld(ldap_state), result);
5025 if (!entry) {
5026 return NT_STATUS_UNSUCCESSFUL;
5027 }
5028
5029 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5030 if (tmp) {
5031 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5032 return NT_STATUS_USER_EXISTS;
5033 }
5034
5035 /* it is just a posix account, retrieve the dn for later use */
5036 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5037 if (!dn) {
5038 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5039 return NT_STATUS_NO_MEMORY;
5040 }
5041 }
5042
5043 if (num_result == 0) {
5044 add_posix = True;
5045 }
5046
5047 /* Create the basic samu structure and generate the mods for the ldap commit */
5048 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5049 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5050 return ret;
5051 }
5052
5053 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5054
5055 user = samu_new(tmp_ctx);
5056 if (!user) {
5057 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5058 return NT_STATUS_NO_MEMORY;
5059 }
5060
5061 if (!pdb_set_username(user, name, PDB_SET)) {
5062 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5063 return NT_STATUS_UNSUCCESSFUL;
5064 }
5065 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5066 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5067 return NT_STATUS_UNSUCCESSFUL;
5068 }
5069 if (is_machine) {
5070 if (acb_info & ACB_NORMAL) {
5071 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5072 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5073 return NT_STATUS_UNSUCCESSFUL;
5074 }
5075 } else {
5076 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5077 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5078 return NT_STATUS_UNSUCCESSFUL;
5079 }
5080 }
5081 } else {
5082 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5083 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5084 return NT_STATUS_UNSUCCESSFUL;
5085 }
5086 }
5087
5088 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5089 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5090 return NT_STATUS_UNSUCCESSFUL;
5091 }
5092
5093 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5094 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5095 return NT_STATUS_UNSUCCESSFUL;
5096 }
5097
5098 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5099 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5100 }
5101 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5102
5103 if (add_posix) {
5104 char *escape_name;
5105
5106 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5107
5108 /* retrieve the Domain Users group gid */
5109 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5110 !sid_to_gid(&group_sid, &gid)) {
5111 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5112 return NT_STATUS_INVALID_PRIMARY_GROUP;
5113 }
5114
5115 /* lets allocate a new userid for this user */
5116 if (!winbind_allocate_uid(&uid)) {
5117 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5118 return NT_STATUS_UNSUCCESSFUL;
5119 }
5120
5121
5122 if (is_machine) {
5123 /* TODO: choose a more appropriate default for machines */
5124 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5125 shell = talloc_strdup(tmp_ctx, "/bin/false");
5126 } else {
5127 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5128 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5129 }
5130 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
5131 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5132
5133 escape_name = escape_rdn_val_string_alloc(name);
5134 if (!escape_name) {
5135 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5136 return NT_STATUS_NO_MEMORY;
5137 }
5138
5139 if (is_machine) {
5140 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5141 } else {
5142 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5143 }
5144
5145 SAFE_FREE(escape_name);
5146
5147 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5148 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5149 return NT_STATUS_NO_MEMORY;
5150 }
5151
5152 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5153 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5154 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5155 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5156 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5157 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5158 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5159 }
5160
5161 talloc_autofree_ldapmod(tmp_ctx, mods);
5162
5163 if (add_posix) {
5164 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5165 } else {
5166 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5167 }
5168
5169 if (rc != LDAP_SUCCESS) {
5170 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5171 return NT_STATUS_UNSUCCESSFUL;
5172 }
5173
5174 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5175
5176 flush_pwnam_cache();
5177
5178 return NT_STATUS_OK;
5179 }
5180
5181 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5182 {
5183 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5184 LDAPMessage *result = NULL;
5185 LDAPMessage *entry = NULL;
5186 int num_result;
5187 const char *dn;
5188 char *filter;
5189 int rc;
5190
5191 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5192
5193 filter = talloc_asprintf(tmp_ctx,
5194 "(&(uid=%s)"
5195 "(objectClass=%s)"
5196 "(objectClass=%s))",
5197 pdb_get_username(sam_acct),
5198 LDAP_OBJ_POSIXACCOUNT,
5199 LDAP_OBJ_SAMBASAMACCOUNT);
5200 if (filter == NULL) {
5201 return NT_STATUS_NO_MEMORY;
5202 }
5203
5204 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5205 if (rc != LDAP_SUCCESS) {
5206 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5207 return NT_STATUS_UNSUCCESSFUL;
5208 }
5209 talloc_autofree_ldapmsg(tmp_ctx, result);
5210
5211 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5212
5213 if (num_result == 0) {
5214 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5215 return NT_STATUS_NO_SUCH_USER;
5216 }
5217
5218 if (num_result > 1) {
5219 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5220 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5221 }
5222
5223 entry = ldap_first_entry(priv2ld(ldap_state), result);
5224 if (!entry) {
5225 return NT_STATUS_UNSUCCESSFUL;
5226 }
5227
5228 /* it is just a posix account, retrieve the dn for later use */
5229 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5230 if (!dn) {
5231 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5232 return NT_STATUS_NO_MEMORY;
5233 }
5234
5235 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5236 if (rc != LDAP_SUCCESS) {
5237 return NT_STATUS_UNSUCCESSFUL;
5238 }
5239
5240 flush_pwnam_cache();
5241
5242 return NT_STATUS_OK;
5243 }
5244
5245 /*
5246 * ldapsam_create_group creates a new
5247 * posixGroup and sambaGroupMapping object
5248 * in the ldap groups subtree
5249 *
5250 * The gid is allocated by winbindd.
5251 */
5252
5253 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5254 TALLOC_CTX *tmp_ctx,
5255 const char *name,
5256 uint32 *rid)
5257 {
5258 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5259 NTSTATUS ret;
5260 LDAPMessage *entry = NULL;
5261 LDAPMessage *result = NULL;
5262 uint32 num_result;
5263 bool is_new_entry = False;
5264 LDAPMod **mods = NULL;
5265 char *filter;
5266 char *groupsidstr;
5267 char *groupname;
5268 char *grouptype;
5269 char *gidstr;
5270 const char *dn = NULL;
5271 DOM_SID group_sid;
5272 gid_t gid = -1;
5273 int rc;
5274
5275 groupname = escape_ldap_string_alloc(name);
5276 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5277 groupname, LDAP_OBJ_POSIXGROUP);
5278 SAFE_FREE(groupname);
5279
5280 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5281 if (rc != LDAP_SUCCESS) {
5282 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5283 return NT_STATUS_UNSUCCESSFUL;
5284 }
5285 talloc_autofree_ldapmsg(tmp_ctx, result);
5286
5287 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5288
5289 if (num_result > 1) {
5290 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5291 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5292 }
5293
5294 if (num_result == 1) {
5295 char *tmp;
5296 /* check if it is just a posix group.
5297 * or if there is a sid attached to this entry
5298 */
5299
5300 entry = ldap_first_entry(priv2ld(ldap_state), result);
5301 if (!entry) {
5302 return NT_STATUS_UNSUCCESSFUL;
5303 }
5304
5305 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5306 if (tmp) {
5307 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5308 return NT_STATUS_GROUP_EXISTS;
5309 }
5310
5311 /* it is just a posix group, retrieve the gid and the dn for later use */
5312 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5313 if (!tmp) {
5314 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5315 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5316 }
5317
5318 gid = strtoul(tmp, NULL, 10);
5319
5320 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5321 if (!dn) {
5322 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5323 return NT_STATUS_NO_MEMORY;
5324 }
5325 }
5326
5327 if (num_result == 0) {
5328 char *escape_name;
5329
5330 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5331
5332 is_new_entry = True;
5333
5334 /* lets allocate a new groupid for this group */
5335 if (!winbind_allocate_gid(&gid)) {
5336 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5337 return NT_STATUS_UNSUCCESSFUL;
5338 }
5339
5340 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5341
5342 escape_name = escape_rdn_val_string_alloc(name);
5343 if (!escape_name) {
5344 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5345 return NT_STATUS_NO_MEMORY;
5346 }
5347
5348 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5349
5350 SAFE_FREE(escape_name);
5351
5352 if (!gidstr || !dn) {
5353 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5354 return NT_STATUS_NO_MEMORY;
5355 }
5356
5357 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5358 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5359 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5360 }
5361
5362 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5363 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5364 return ret;
5365 }
5366
5367 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5368
5369 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5370 &group_sid));
5371 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5372
5373 if (!groupsidstr || !grouptype) {
5374 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5375 return NT_STATUS_NO_MEMORY;
5376 }
5377
5378 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5379 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5380 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5381 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5382 talloc_autofree_ldapmod(tmp_ctx, mods);
5383
5384 if (is_new_entry) {
5385 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5386 #if 0
5387 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5388 /* This call may fail with rfc2307bis schema */
5389 /* Retry adding a structural class */
5390 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5391 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5392 }
5393 #endif
5394 } else {
5395 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5396 }
5397
5398 if (rc != LDAP_SUCCESS) {
5399 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5400 return NT_STATUS_UNSUCCESSFUL;
5401 }
5402
5403 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5404
5405 return NT_STATUS_OK;
5406 }
5407
5408 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5409 {
5410 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5411 LDAPMessage *result = NULL;
5412 LDAPMessage *entry = NULL;
5413 int num_result;
5414 const char *dn;
5415 char *gidstr;
5416 char *filter;
5417 DOM_SID group_sid;
5418 int rc;
5419
5420 /* get the group sid */
5421 sid_compose(&group_sid, get_global_sam_sid(), rid);
5422
5423 filter = talloc_asprintf(tmp_ctx,
5424 "(&(sambaSID=%s)"
5425 "(objectClass=%s)"
5426 "(objectClass=%s))",
5427 sid_string_talloc(tmp_ctx, &group_sid),
5428 LDAP_OBJ_POSIXGROUP,
5429 LDAP_OBJ_GROUPMAP);
5430 if (filter == NULL) {
5431 return NT_STATUS_NO_MEMORY;
5432 }
5433
5434 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5435 if (rc != LDAP_SUCCESS) {
5436 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5437 return NT_STATUS_UNSUCCESSFUL;
5438 }
5439 talloc_autofree_ldapmsg(tmp_ctx, result);
5440
5441 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5442
5443 if (num_result == 0) {
5444 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5445 return NT_STATUS_NO_SUCH_GROUP;
5446 }
5447
5448 if (num_result > 1) {
5449 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5450 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5451 }
5452
5453 entry = ldap_first_entry(priv2ld(ldap_state), result);
5454 if (!entry) {
5455 return NT_STATUS_UNSUCCESSFUL;
5456 }
5457
5458 /* here it is, retrieve the dn for later use */
5459 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5460 if (!dn) {
5461 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5462 return NT_STATUS_NO_MEMORY;
5463 }
5464
5465 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5466 if (!gidstr) {
5467 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5468 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5469 }
5470
5471 /* check no user have this group marked as primary group */
5472 filter = talloc_asprintf(tmp_ctx,
5473 "(&(gidNumber=%s)"
5474 "(objectClass=%s)"
5475 "(objectClass=%s))",
5476 gidstr,
5477 LDAP_OBJ_POSIXACCOUNT,
5478 LDAP_OBJ_SAMBASAMACCOUNT);
5479
5480 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5481 if (rc != LDAP_SUCCESS) {
5482 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5483 return NT_STATUS_UNSUCCESSFUL;
5484 }
5485 talloc_autofree_ldapmsg(tmp_ctx, result);
5486
5487 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5488
5489 if (num_result != 0) {
5490 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5491 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5492 }
5493
5494 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5495 if (rc != LDAP_SUCCESS) {
5496 return NT_STATUS_UNSUCCESSFUL;
5497 }
5498
5499 return NT_STATUS_OK;
5500 }
5501
5502 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5503 TALLOC_CTX *tmp_ctx,
5504 uint32 group_rid,
5505 uint32 member_rid,
5506 int modop)
5507 {
5508 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5509 LDAPMessage *entry = NULL;
5510 LDAPMessage *result = NULL;
5511 uint32 num_result;
5512 LDAPMod **mods = NULL;
5513 char *filter;
5514 char *uidstr;
5515 const char *dn = NULL;
5516 DOM_SID group_sid;
5517 DOM_SID member_sid;
5518 int rc;
5519
5520 switch (modop) {
5521 case LDAP_MOD_ADD:
5522 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5523 break;
5524 case LDAP_MOD_DELETE:
5525 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5526 break;
5527 default:
5528 return NT_STATUS_UNSUCCESSFUL;
5529 }
5530
5531 /* get member sid */
5532 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5533
5534 /* get the group sid */
5535 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5536
5537 filter = talloc_asprintf(tmp_ctx,
5538 "(&(sambaSID=%s)"
5539 "(objectClass=%s)"
5540 "(objectClass=%s))",
5541 sid_string_talloc(tmp_ctx, &member_sid),
5542 LDAP_OBJ_POSIXACCOUNT,
5543 LDAP_OBJ_SAMBASAMACCOUNT);
5544 if (filter == NULL) {
5545 return NT_STATUS_NO_MEMORY;
5546 }
5547
5548 /* get the member uid */
5549 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5550 if (rc != LDAP_SUCCESS) {
5551 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5552 return NT_STATUS_UNSUCCESSFUL;
5553 }
5554 talloc_autofree_ldapmsg(tmp_ctx, result);
5555
5556 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5557
5558 if (num_result == 0) {
5559 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5560 return NT_STATUS_NO_SUCH_MEMBER;
5561 }
5562
5563 if (num_result > 1) {
5564 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5565 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5566 }
5567
5568 entry = ldap_first_entry(priv2ld(ldap_state), result);
5569 if (!entry) {
5570 return NT_STATUS_UNSUCCESSFUL;
5571 }
5572
5573 if (modop == LDAP_MOD_DELETE) {
5574 /* check if we are trying to remove the member from his primary group */
5575 char *gidstr;
5576 gid_t user_gid, group_gid;
5577
5578 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5579 if (!gidstr) {
5580 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5581 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5582 }
5583
5584 user_gid = strtoul(gidstr, NULL, 10);
5585
5586 if (!sid_to_gid(&group_sid, &group_gid)) {
5587 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5588 return NT_STATUS_UNSUCCESSFUL;
5589 }
5590
5591 if (user_gid == group_gid) {
5592 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5593 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5594 }
5595 }
5596
5597 /* here it is, retrieve the uid for later use */
5598 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5599 if (!uidstr) {
5600 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5601 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5602 }
5603
5604 filter = talloc_asprintf(tmp_ctx,
5605 "(&(sambaSID=%s)"
5606 "(objectClass=%s)"
5607 "(objectClass=%s))",
5608 sid_string_talloc(tmp_ctx, &group_sid),
5609 LDAP_OBJ_POSIXGROUP,
5610 LDAP_OBJ_GROUPMAP);
5611
5612 /* get the group */
5613 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5614 if (rc != LDAP_SUCCESS) {
5615 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5616 return NT_STATUS_UNSUCCESSFUL;
5617 }
5618 talloc_autofree_ldapmsg(tmp_ctx, result);
5619
5620 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5621
5622 if (num_result == 0) {
5623 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5624 return NT_STATUS_NO_SUCH_GROUP;
5625 }
5626
5627 if (num_result > 1) {
5628 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5629 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5630 }
5631
5632 entry = ldap_first_entry(priv2ld(ldap_state), result);
5633 if (!entry) {
5634 return NT_STATUS_UNSUCCESSFUL;
5635 }
5636
5637 /* here it is, retrieve the dn for later use */
5638 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5639 if (!dn) {
5640 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5641 return NT_STATUS_NO_MEMORY;
5642 }
5643
5644 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5645
5646 talloc_autofree_ldapmod(tmp_ctx, mods);
5647
5648 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5649 if (rc != LDAP_SUCCESS) {
5650 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5651 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5652 return NT_STATUS_MEMBER_IN_GROUP;
5653 }
5654 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5655 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5656 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5657 }
5658 return NT_STATUS_UNSUCCESSFUL;
5659 }
5660
5661 return NT_STATUS_OK;
5662 }
5663
5664 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5665 TALLOC_CTX *tmp_ctx,
5666 uint32 group_rid,
5667 uint32 member_rid)
5668 {
5669 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5670 }
5671 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5672 TALLOC_CTX *tmp_ctx,
5673 uint32 group_rid,
5674 uint32 member_rid)
5675 {
5676 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5677 }
5678
5679 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5680 TALLOC_CTX *mem_ctx,
5681 struct samu *sampass)
5682 {
5683 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5684 LDAPMessage *entry = NULL;
5685 LDAPMessage *result = NULL;
5686 uint32 num_result;
5687 LDAPMod **mods = NULL;
5688 char *filter;
5689 char *escape_username;
5690 char *gidstr;
5691 const char *dn = NULL;
5692 gid_t gid;
5693 int rc;
5694
5695 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5696
5697 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5698 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5699 return NT_STATUS_UNSUCCESSFUL;
5700 }
5701 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5702 if (!gidstr) {
5703 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5704 return NT_STATUS_NO_MEMORY;
5705 }
5706
5707 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5708 if (escape_username== NULL) {
5709 return NT_STATUS_NO_MEMORY;
5710 }
5711
5712 filter = talloc_asprintf(mem_ctx,
5713 "(&(uid=%s)"
5714 "(objectClass=%s)"
5715 "(objectClass=%s))",
5716 escape_username,
5717 LDAP_OBJ_POSIXACCOUNT,
5718 LDAP_OBJ_SAMBASAMACCOUNT);
5719
5720 SAFE_FREE(escape_username);
5721
5722 if (filter == NULL) {
5723 return NT_STATUS_NO_MEMORY;
5724 }
5725
5726 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5727 if (rc != LDAP_SUCCESS) {
5728 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5729 return NT_STATUS_UNSUCCESSFUL;
5730 }
5731 talloc_autofree_ldapmsg(mem_ctx, result);
5732
5733 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5734
5735 if (num_result == 0) {
5736 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5737 return NT_STATUS_NO_SUCH_USER;
5738 }
5739
5740 if (num_result > 1) {
5741 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5742 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5743 }
5744
5745 entry = ldap_first_entry(priv2ld(ldap_state), result);
5746 if (!entry) {
5747 return NT_STATUS_UNSUCCESSFUL;
5748 }
5749
5750 /* retrieve the dn for later use */
5751 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5752 if (!dn) {
5753 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5754 return NT_STATUS_NO_MEMORY;
5755 }
5756
5757 /* remove the old one, and add the new one, this way we do not risk races */
5758 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5759
5760 if (mods == NULL) {
5761 return NT_STATUS_OK;
5762 }
5763
5764 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5765
5766 if (rc != LDAP_SUCCESS) {
5767 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5768 pdb_get_username(sampass), gidstr));
5769 return NT_STATUS_UNSUCCESSFUL;
5770 }
5771
5772 flush_pwnam_cache();
5773
5774 return NT_STATUS_OK;
5775 }
5776
5777
5778 /**********************************************************************
5779 trusted domains functions
5780 *********************************************************************/
5781
5782 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5783 const char *domain)
5784 {
5785 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5786 ldap_state->domain_dn);
5787 }
5788
5789 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5790 TALLOC_CTX *mem_ctx,
5791 const char *domain, LDAPMessage **entry)
5792 {
5793 int rc;
5794 char *filter;
5795 int scope = LDAP_SCOPE_SUBTREE;
5796 const char **attrs = NULL; /* NULL: get all attrs */
5797 int attrsonly = 0; /* 0: return values too */
5798 LDAPMessage *result = NULL;
5799 char *trusted_dn;
5800 uint32 num_result;
5801
5802 filter = talloc_asprintf(talloc_tos(),
5803 "(&(objectClass=%s)(sambaDomainName=%s))",
5804 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5805
5806 trusted_dn = trusteddom_dn(ldap_state, domain);
5807 if (trusted_dn == NULL) {
5808 return False;
5809 }
5810 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5811 filter, attrs, attrsonly, &result);
5812
5813 if (result != NULL) {
5814 talloc_autofree_ldapmsg(mem_ctx, result);
5815 }
5816
5817 if (rc == LDAP_NO_SUCH_OBJECT) {
5818 *entry = NULL;
5819 return True;
5820 }
5821
5822 if (rc != LDAP_SUCCESS) {
5823 return False;
5824 }
5825
5826 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5827
5828 if (num_result > 1) {
5829 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5830 "%s object for domain '%s'?!\n",
5831 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5832 return False;
5833 }
5834
5835 if (num_result == 0) {
5836 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5837 "%s object for domain %s.\n",
5838 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5839 *entry = NULL;
5840 } else {
5841 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5842 }
5843
5844 return True;
5845 }
5846
5847 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5848 const char *domain,
5849 char** pwd,
5850 DOM_SID *sid,
5851 time_t *pass_last_set_time)
5852 {
5853 struct ldapsam_privates *ldap_state =
5854 (struct ldapsam_privates *)methods->private_data;
5855 LDAPMessage *entry = NULL;
5856
5857 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5858
5859 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5860 (entry == NULL))
5861 {
5862 return False;
5863 }
5864
5865 /* password */
5866 if (pwd != NULL) {
5867 char *pwd_str;
5868 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5869 entry, "sambaClearTextPassword", talloc_tos());
5870 if (pwd_str == NULL) {
5871 return False;
5872 }
5873 /* trusteddom_pw routines do not use talloc yet... */
5874 *pwd = SMB_STRDUP(pwd_str);
5875 if (*pwd == NULL) {
5876 return False;
5877 }
5878 }
5879
5880 /* last change time */
5881 if (pass_last_set_time != NULL) {
5882 char *time_str;
5883 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5884 entry, "sambaPwdLastSet", talloc_tos());
5885 if (time_str == NULL) {
5886 return False;
5887 }
5888 *pass_last_set_time = (time_t)atol(time_str);
5889 }
5890
5891 /* domain sid */
5892 if (sid != NULL) {
5893 char *sid_str;
5894 DOM_SID *dom_sid;
5895 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5896 entry, "sambaSID",
5897 talloc_tos());
5898 if (sid_str == NULL) {
5899 return False;
5900 }
5901 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5902 if (dom_sid == NULL) {
5903 return False;
5904 }
5905 sid_copy(sid, dom_sid);
5906 }
5907
5908 return True;
5909 }
5910
5911 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5912 const char* domain,
5913 const char* pwd,
5914 const DOM_SID *sid)
5915 {
5916 struct ldapsam_privates *ldap_state =
5917 (struct ldapsam_privates *)methods->private_data;
5918 LDAPMessage *entry = NULL;
5919 LDAPMod **mods = NULL;
5920 char *prev_pwd = NULL;
5921 char *trusted_dn = NULL;
5922 int rc;
5923
5924 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5925
5926 /*
5927 * get the current entry (if there is one) in order to put the
5928 * current password into the previous password attribute
5929 */
5930 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5931 return False;
5932 }
5933
5934 mods = NULL;
5935 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5936 LDAP_OBJ_TRUSTDOM_PASSWORD);
5937 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5938 domain);
5939 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5940 sid_string_tos(sid));
5941 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5942 talloc_asprintf(talloc_tos(), "%li", time(NULL)));
5943 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5944 "sambaClearTextPassword", pwd);
5945
5946 talloc_autofree_ldapmod(talloc_tos(), mods);
5947
5948 if (entry != NULL) {
5949 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5950 entry, "sambaClearTextPassword", talloc_tos());
5951 if (prev_pwd != NULL) {
5952 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5953 "sambaPreviousClearTextPassword",
5954 prev_pwd);
5955 }
5956 }
5957
5958 trusted_dn = trusteddom_dn(ldap_state, domain);
5959 if (trusted_dn == NULL) {
5960 return False;
5961 }
5962 if (entry == NULL) {
5963 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5964 } else {
5965 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5966 }
5967
5968 if (rc != LDAP_SUCCESS) {
5969 DEBUG(1, ("error writing trusted domain password!\n"));
5970 return False;
5971 }
5972
5973 return True;
5974 }
5975
5976 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5977 const char *domain)
5978 {
5979 int rc;
5980 struct ldapsam_privates *ldap_state =
5981 (struct ldapsam_privates *)methods->private_data;
5982 LDAPMessage *entry = NULL;
5983 const char *trusted_dn;
5984
5985 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5986 return False;
5987 }
5988
5989 if (entry == NULL) {
5990 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
5991 "%s\n", domain));
5992 return True;
5993 }
5994
5995 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
5996 entry);
5997 if (trusted_dn == NULL) {
5998 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
5999 return False;
6000 }
6001
6002 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6003 if (rc != LDAP_SUCCESS) {
6004 return False;
6005 }
6006
6007 return True;
6008 }
6009
6010 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6011 TALLOC_CTX *mem_ctx,
6012 uint32 *num_domains,
6013 struct trustdom_info ***domains)
6014 {
6015 int rc;
6016 struct ldapsam_privates *ldap_state =
6017 (struct ldapsam_privates *)methods->private_data;
6018 char *filter;
6019 int scope = LDAP_SCOPE_SUBTREE;
6020 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6021 int attrsonly = 0; /* 0: return values too */
6022 LDAPMessage *result = NULL;
6023 LDAPMessage *entry = NULL;
6024
6025 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6026 LDAP_OBJ_TRUSTDOM_PASSWORD);
6027
6028 rc = smbldap_search(ldap_state->smbldap_state,
6029 ldap_state->domain_dn,
6030 scope,
6031 filter,
6032 attrs,
6033 attrsonly,
6034 &result);
6035
6036 if (result != NULL) {
6037 talloc_autofree_ldapmsg(mem_ctx, result);
6038 }
6039
6040 if (rc != LDAP_SUCCESS) {
6041 return NT_STATUS_UNSUCCESSFUL;
6042 }
6043
6044 *num_domains = 0;
6045 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6046 DEBUG(1, ("talloc failed\n"));
6047 return NT_STATUS_NO_MEMORY;
6048 }
6049
6050 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6051 entry != NULL;
6052 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6053 {
6054 char *dom_name, *dom_sid_str;
6055 struct trustdom_info *dom_info;
6056
6057 dom_info = TALLOC_P(*domains, struct trustdom_info);
6058 if (dom_info == NULL) {
6059 DEBUG(1, ("talloc failed\n"));
6060 return NT_STATUS_NO_MEMORY;
6061 }
6062
6063 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6064 entry,
6065 "sambaDomainName",
6066 talloc_tos());
6067 if (dom_name == NULL) {
6068 DEBUG(1, ("talloc failed\n"));
6069 return NT_STATUS_NO_MEMORY;
6070 }
6071 dom_info->name = dom_name;
6072
6073 dom_sid_str = smbldap_talloc_single_attribute(
6074 priv2ld(ldap_state), entry, "sambaSID",
6075 talloc_tos());
6076 if (dom_sid_str == NULL) {
6077 DEBUG(1, ("talloc failed\n"));
6078 return NT_STATUS_NO_MEMORY;
6079 }
6080 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6081 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6082 dom_sid_str));
6083 return NT_STATUS_UNSUCCESSFUL;
6084 }
6085
6086 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6087 domains, num_domains);
6088
6089 if (*domains == NULL) {
6090 DEBUG(1, ("talloc failed\n"));
6091 return NT_STATUS_NO_MEMORY;
6092 }
6093 }
6094
6095 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6096 return NT_STATUS_OK;
6097 }
6098
6099
6100 /**********************************************************************
6101 Housekeeping
6102 *********************************************************************/
6103
6104 static void free_private_data(void **vp)
6105 {
6106 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6107
6108 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6109
6110 if ((*ldap_state)->result != NULL) {
6111 ldap_msgfree((*ldap_state)->result);
6112 (*ldap_state)->result = NULL;
6113 }
6114 if ((*ldap_state)->domain_dn != NULL) {
6115 SAFE_FREE((*ldap_state)->domain_dn);
6116 }
6117
6118 *ldap_state = NULL;
6119
6120 /* No need to free any further, as it is talloc()ed */
6121 }
6122
6123 /*********************************************************************
6124 Intitalise the parts of the pdb_methods structure that are common to
6125 all pdb_ldap modes
6126 *********************************************************************/
6127
6128 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6129 {
6130 NTSTATUS nt_status;
6131 struct ldapsam_privates *ldap_state;
6132
6133 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6134 return nt_status;
6135 }
6136
6137 (*pdb_method)->name = "ldapsam";
6138
6139 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6140 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6141 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6142 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6143 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6144 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6145
6146 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6147 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6148 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6149 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6150 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6151 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6152 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6153
6154 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6155 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6156
6157 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6158
6159 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6160 (*pdb_method)->new_rid = ldapsam_new_rid;
6161
6162 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6163 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6164 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6165 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6166
6167 /* TODO: Setup private data and free */
6168
6169 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6170 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6171 return NT_STATUS_NO_MEMORY;
6172 }
6173
6174 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6175 location, &ldap_state->smbldap_state);
6176
6177 if ( !NT_STATUS_IS_OK(nt_status) ) {
6178 return nt_status;
6179 }
6180
6181 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6182 return NT_STATUS_NO_MEMORY;
6183 }
6184
6185 (*pdb_method)->private_data = ldap_state;
6186
6187 (*pdb_method)->free_private_data = free_private_data;
6188
6189 return NT_STATUS_OK;
6190 }
6191
6192 /**********************************************************************
6193 Initialise the 'compat' mode for pdb_ldap
6194 *********************************************************************/
6195
6196 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6197 {
6198 NTSTATUS nt_status;
6199 struct ldapsam_privates *ldap_state;
6200 char *uri = talloc_strdup( NULL, location );
6201
6202 trim_char( uri, '\"', '\"' );
6203 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6204 if ( uri )
6205 TALLOC_FREE( uri );
6206
6207 if ( !NT_STATUS_IS_OK(nt_status) ) {
6208 return nt_status;
6209 }
6210
6211 (*pdb_method)->name = "ldapsam_compat";
6212
6213 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6214 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6215
6216 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6217
6218 return NT_STATUS_OK;
6219 }
6220
6221 /**********************************************************************
6222 Initialise the normal mode for pdb_ldap
6223 *********************************************************************/
6224
6225 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6226 {
6227 NTSTATUS nt_status;
6228 struct ldapsam_privates *ldap_state = NULL;
6229 uint32 alg_rid_base;
6230 char *alg_rid_base_string = NULL;
6231 LDAPMessage *result = NULL;
6232 LDAPMessage *entry = NULL;
6233 DOM_SID ldap_domain_sid;
6234 DOM_SID secrets_domain_sid;
6235 char *domain_sid_string = NULL;
6236 char *dn = NULL;
6237 char *uri = talloc_strdup( NULL, location );
6238
6239 trim_char( uri, '\"', '\"' );
6240 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6241 if (uri) {
6242 TALLOC_FREE(uri);
6243 }
6244
6245 if (!NT_STATUS_IS_OK(nt_status)) {
6246 return nt_status;
6247 }
6248
6249 (*pdb_method)->name = "ldapsam";
6250
6251 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6252 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6253 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6254 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6255 (*pdb_method)->search_users = ldapsam_search_users;
6256 (*pdb_method)->search_groups = ldapsam_search_groups;
6257 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6258
6259 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6260 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6261 (*pdb_method)->enum_group_memberships =
6262 ldapsam_enum_group_memberships;
6263 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6264 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6265
6266 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6267 (*pdb_method)->create_user = ldapsam_create_user;
6268 (*pdb_method)->delete_user = ldapsam_delete_user;
6269 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6270 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6271 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6272 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6273 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6274 }
6275 }
6276
6277 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6278 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6279
6280 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6281
6282 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6283 &result,
6284 ldap_state->domain_name, True);
6285
6286 if ( !NT_STATUS_IS_OK(nt_status) ) {
6287 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6288 "info, nor add one to the domain\n"));
6289 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6290 "will be unable to allocate new users/groups, "
6291 "and will risk BDCs having inconsistant SIDs\n"));
6292 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6293 return NT_STATUS_OK;
6294 }
6295
6296 /* Given that the above might fail, everything below this must be
6297 * optional */
6298
6299 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6300 result);
6301 if (!entry) {
6302 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6303 "entry\n"));
6304 ldap_msgfree(result);
6305 return NT_STATUS_UNSUCCESSFUL;
6306 }
6307
6308 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
6309 if (!dn) {
6310 ldap_msgfree(result);
6311 return NT_STATUS_UNSUCCESSFUL;
6312 }
6313
6314 ldap_state->domain_dn = smb_xstrdup(dn);
6315 ldap_memfree(dn);
6316
6317 domain_sid_string = smbldap_talloc_single_attribute(
6318 ldap_state->smbldap_state->ldap_struct,
6319 entry,
6320 get_userattr_key2string(ldap_state->schema_ver,
6321 LDAP_ATTR_USER_SID),
6322 talloc_tos());
6323
6324 if (domain_sid_string) {
6325 bool found_sid;
6326 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6327 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6328 "read as a valid SID\n", domain_sid_string));
6329 ldap_msgfree(result);
6330 TALLOC_FREE(domain_sid_string);
6331 return NT_STATUS_INVALID_PARAMETER;
6332 }
6333 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6334 &secrets_domain_sid);
6335 if (!found_sid || !sid_equal(&secrets_domain_sid,
6336 &ldap_domain_sid)) {
6337 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6338 "%s based on pdb_ldap results %s -> %s\n",
6339 ldap_state->domain_name,
6340 sid_string_dbg(&secrets_domain_sid),
6341 sid_string_dbg(&ldap_domain_sid)));
6342
6343 /* reset secrets.tdb sid */
6344 secrets_store_domain_sid(ldap_state->domain_name,
6345 &ldap_domain_sid);
6346 DEBUG(1, ("New global sam SID: %s\n",
6347 sid_string_dbg(get_global_sam_sid())));
6348 }
6349 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6350 TALLOC_FREE(domain_sid_string);
6351 }
6352
6353 alg_rid_base_string = smbldap_talloc_single_attribute(
6354 ldap_state->smbldap_state->ldap_struct,
6355 entry,
6356 get_attr_key2string( dominfo_attr_list,
6357 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6358 talloc_tos());
6359 if (alg_rid_base_string) {
6360 alg_rid_base = (uint32)atol(alg_rid_base_string);
6361 if (alg_rid_base != algorithmic_rid_base()) {
6362 DEBUG(0, ("The value of 'algorithmic RID base' has "
6363 "changed since the LDAP\n"
6364 "database was initialised. Aborting. \n"));
6365 ldap_msgfree(result);
6366 TALLOC_FREE(alg_rid_base_string);
6367 return NT_STATUS_UNSUCCESSFUL;
6368 }
6369 TALLOC_FREE(alg_rid_base_string);
6370 }
6371 ldap_msgfree(result);
6372
6373 return NT_STATUS_OK;
6374 }
6375
6376 NTSTATUS pdb_ldap_init(void)
6377 {
6378 NTSTATUS nt_status;
6379 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6380 return nt_status;
6381
6382 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6383 return nt_status;
6384
6385 /* Let pdb_nds register backends */
6386 pdb_nds_init();
6387
6388 return NT_STATUS_OK;
6389 }
reg import