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Fix bug 5886
[Samba/aatanasov.git] / source3 / passdb / pdb_ldap.c
blob1b1e22f2c87304c4492fa28e4c8347caf19d96e4
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 #include "../libcli/auth/libcli_auth.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 fstring objclass_filter;
164 char *result;
165
166 switch( schema_ver ) {
167 case SCHEMAVER_SAMBAACCOUNT:
168 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
169 break;
170 case SCHEMAVER_SAMBASAMACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
172 break;
173 default:
174 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
175 objclass_filter[0] = '\0';
176 break;
177 }
178
179 result = talloc_strdup(talloc_tos(), objclass_filter);
180 SMB_ASSERT(result != NULL);
181 return result;
182 }
183
184 /*****************************************************************
185 Scan a sequence number off OpenLDAP's syncrepl contextCSN
186 ******************************************************************/
187
188 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
189 {
190 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
191 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
192 LDAPMessage *msg = NULL;
193 LDAPMessage *entry = NULL;
194 TALLOC_CTX *mem_ctx;
195 char **values = NULL;
196 int rc, num_result, num_values, rid;
197 char *suffix = NULL;
198 char *tok;
199 const char *p;
200 const char **attrs;
201
202 /* Unfortunatly there is no proper way to detect syncrepl-support in
203 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
204 * but do not show up in the root-DSE yet. Neither we can query the
205 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
206 * objectclass. Currently we require lp_ldap_suffix() to show up as
207 * namingContext. - Guenther
208 */
209
210 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
211 return ntstatus;
212 }
213
214 if (!seq_num) {
215 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
216 return ntstatus;
217 }
218
219 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
220 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
221 "as top-level namingContext\n", lp_ldap_suffix()));
222 return ntstatus;
223 }
224
225 mem_ctx = talloc_init("ldapsam_get_seq_num");
226
227 if (mem_ctx == NULL)
228 return NT_STATUS_NO_MEMORY;
229
230 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
231 ntstatus = NT_STATUS_NO_MEMORY;
232 goto done;
233 }
234
235 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
236 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
237 if (rid > 0) {
238
239 /* consumer syncreplCookie: */
240 /* csn=20050126161620Z#0000001#00#00000 */
241 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
242 attrs[1] = NULL;
243 suffix = talloc_asprintf(mem_ctx,
244 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
245 if (!suffix) {
246 ntstatus = NT_STATUS_NO_MEMORY;
247 goto done;
248 }
249 } else {
250
251 /* provider contextCSN */
252 /* 20050126161620Z#000009#00#000000 */
253 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
254 attrs[1] = NULL;
255 suffix = talloc_asprintf(mem_ctx,
256 "cn=ldapsync,%s", lp_ldap_suffix());
257
258 if (!suffix) {
259 ntstatus = NT_STATUS_NO_MEMORY;
260 goto done;
261 }
262 }
263
264 rc = smbldap_search(ldap_state->smbldap_state, suffix,
265 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
266
267 if (rc != LDAP_SUCCESS) {
268 goto done;
269 }
270
271 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
272 if (num_result != 1) {
273 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
274 goto done;
275 }
276
277 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
278 if (entry == NULL) {
279 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
280 goto done;
281 }
282
283 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
284 if (values == NULL) {
285 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
286 goto done;
287 }
288
289 num_values = ldap_count_values(values);
290 if (num_values == 0) {
291 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
292 goto done;
293 }
294
295 p = values[0];
296 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
297 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
298 goto done;
299 }
300
301 p = tok;
302 if (!strncmp(p, "csn=", strlen("csn=")))
303 p += strlen("csn=");
304
305 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
306
307 *seq_num = generalized_to_unix_time(p);
308
309 /* very basic sanity check */
310 if (*seq_num <= 0) {
311 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
312 (int)*seq_num));
313 goto done;
314 }
315
316 ntstatus = NT_STATUS_OK;
317
318 done:
319 if (values != NULL)
320 ldap_value_free(values);
321 if (msg != NULL)
322 ldap_msgfree(msg);
323 if (mem_ctx)
324 talloc_destroy(mem_ctx);
325
326 return ntstatus;
327 }
328
329 /*******************************************************************
330 Run the search by name.
331 ******************************************************************/
332
333 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
334 const char *user,
335 LDAPMessage ** result,
336 const char **attr)
337 {
338 char *filter = NULL;
339 char *escape_user = escape_ldap_string(talloc_tos(), user);
340 int ret = -1;
341
342 if (!escape_user) {
343 return LDAP_NO_MEMORY;
344 }
345
346 /*
347 * in the filter expression, replace %u with the real name
348 * so in ldap filter, %u MUST exist :-)
349 */
350 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
351 get_objclass_filter(ldap_state->schema_ver));
352 if (!filter) {
353 TALLOC_FREE(escape_user);
354 return LDAP_NO_MEMORY;
355 }
356 /*
357 * have to use this here because $ is filtered out
358 * in string_sub
359 */
360
361 filter = talloc_all_string_sub(talloc_tos(),
362 filter, "%u", escape_user);
363 TALLOC_FREE(escape_user);
364 if (!filter) {
365 return LDAP_NO_MEMORY;
366 }
367
368 ret = smbldap_search_suffix(ldap_state->smbldap_state,
369 filter, attr, result);
370 TALLOC_FREE(filter);
371 return ret;
372 }
373
374 /*******************************************************************
375 Run the search by rid.
376 ******************************************************************/
377
378 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
379 uint32 rid, LDAPMessage ** result,
380 const char **attr)
381 {
382 char *filter = NULL;
383 int rc;
384
385 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
386 get_objclass_filter(ldap_state->schema_ver));
387 if (!filter) {
388 return LDAP_NO_MEMORY;
389 }
390
391 rc = smbldap_search_suffix(ldap_state->smbldap_state,
392 filter, attr, result);
393 TALLOC_FREE(filter);
394 return rc;
395 }
396
397 /*******************************************************************
398 Run the search by SID.
399 ******************************************************************/
400
401 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
402 const DOM_SID *sid, LDAPMessage ** result,
403 const char **attr)
404 {
405 char *filter = NULL;
406 int rc;
407 fstring sid_string;
408
409 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
410 get_userattr_key2string(ldap_state->schema_ver,
411 LDAP_ATTR_USER_SID),
412 sid_to_fstring(sid_string, sid),
413 get_objclass_filter(ldap_state->schema_ver));
414 if (!filter) {
415 return LDAP_NO_MEMORY;
416 }
417
418 rc = smbldap_search_suffix(ldap_state->smbldap_state,
419 filter, attr, result);
420
421 TALLOC_FREE(filter);
422 return rc;
423 }
424
425 /*******************************************************************
426 Delete complete object or objectclass and attrs from
427 object found in search_result depending on lp_ldap_delete_dn
428 ******************************************************************/
429
430 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
431 TALLOC_CTX *mem_ctx,
432 LDAPMessage *entry,
433 const char *objectclass,
434 const char **attrs)
435 {
436 LDAPMod **mods = NULL;
437 char *name;
438 const char *dn;
439 BerElement *ptr = NULL;
440
441 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
442 if (dn == NULL) {
443 return LDAP_NO_MEMORY;
444 }
445
446 if (lp_ldap_delete_dn()) {
447 return smbldap_delete(priv->smbldap_state, dn);
448 }
449
450 /* Ok, delete only the SAM attributes */
451
452 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
453 name != NULL;
454 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
455 const char **attrib;
456
457 /* We are only allowed to delete the attributes that
458 really exist. */
459
460 for (attrib = attrs; *attrib != NULL; attrib++) {
461 if (strequal(*attrib, name)) {
462 DEBUG(10, ("ldapsam_delete_entry: deleting "
463 "attribute %s\n", name));
464 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
465 NULL);
466 }
467 }
468 ldap_memfree(name);
469 }
470
471 if (ptr != NULL) {
472 ber_free(ptr, 0);
473 }
474
475 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
476 talloc_autofree_ldapmod(mem_ctx, mods);
477
478 return smbldap_modify(priv->smbldap_state, dn, mods);
479 }
480
481 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
482 {
483 char *temp;
484 struct tm tm;
485
486 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
487 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
488 talloc_tos());
489 if (!temp) {
490 return (time_t) 0;
491 }
492
493 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
494 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
495 (char*)temp));
496 TALLOC_FREE(temp);
497 return (time_t) 0;
498 }
499 TALLOC_FREE(temp);
500 tzset();
501 return timegm(&tm);
502 }
503
504 /**********************************************************************
505 Initialize struct samu from an LDAP query.
506 (Based on init_sam_from_buffer in pdb_tdb.c)
507 *********************************************************************/
508
509 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
510 struct samu * sampass,
511 LDAPMessage * entry)
512 {
513 time_t logon_time,
514 logoff_time,
515 kickoff_time,
516 pass_last_set_time,
517 pass_can_change_time,
518 pass_must_change_time,
519 ldap_entry_time,
520 bad_password_time;
521 char *username = NULL,
522 *domain = NULL,
523 *nt_username = NULL,
524 *fullname = NULL,
525 *homedir = NULL,
526 *dir_drive = NULL,
527 *logon_script = NULL,
528 *profile_path = NULL,
529 *acct_desc = NULL,
530 *workstations = NULL,
531 *munged_dial = NULL;
532 uint32 user_rid;
533 uint8 smblmpwd[LM_HASH_LEN],
534 smbntpwd[NT_HASH_LEN];
535 bool use_samba_attrs = True;
536 uint32 acct_ctrl = 0;
537 uint16 logon_divs;
538 uint16 bad_password_count = 0,
539 logon_count = 0;
540 uint32 hours_len;
541 uint8 hours[MAX_HOURS_LEN];
542 char *temp = NULL;
543 LOGIN_CACHE *cache_entry = NULL;
544 uint32 pwHistLen;
545 bool expand_explicit = lp_passdb_expand_explicit();
546 bool ret = false;
547 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
548
549 if (!ctx) {
550 return false;
551 }
552 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
553 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
554 goto fn_exit;
555 }
556
557 if (priv2ld(ldap_state) == NULL) {
558 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
559 "ldap_struct is NULL!\n"));
560 goto fn_exit;
561 }
562
563 if (!(username = smbldap_talloc_smallest_attribute(priv2ld(ldap_state),
564 entry,
565 "uid",
566 ctx))) {
567 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
568 "this user!\n"));
569 goto fn_exit;
570 }
571
572 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
573
574 nt_username = talloc_strdup(ctx, username);
575 if (!nt_username) {
576 goto fn_exit;
577 }
578
579 domain = talloc_strdup(ctx, ldap_state->domain_name);
580 if (!domain) {
581 goto fn_exit;
582 }
583
584 pdb_set_username(sampass, username, PDB_SET);
585
586 pdb_set_domain(sampass, domain, PDB_DEFAULT);
587 pdb_set_nt_username(sampass, nt_username, PDB_SET);
588
589 /* deal with different attributes between the schema first */
590
591 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
592 if ((temp = smbldap_talloc_single_attribute(
593 ldap_state->smbldap_state->ldap_struct,
594 entry,
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 ctx))!=NULL) {
598 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
599 }
600 } else {
601 if ((temp = smbldap_talloc_single_attribute(
602 ldap_state->smbldap_state->ldap_struct,
603 entry,
604 get_userattr_key2string(ldap_state->schema_ver,
605 LDAP_ATTR_USER_RID),
606 ctx))!=NULL) {
607 user_rid = (uint32)atol(temp);
608 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
609 }
610 }
611
612 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
613 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_SID),
616 get_userattr_key2string(ldap_state->schema_ver,
617 LDAP_ATTR_USER_RID),
618 username));
619 return False;
620 }
621
622 temp = smbldap_talloc_single_attribute(
623 ldap_state->smbldap_state->ldap_struct,
624 entry,
625 get_userattr_key2string(ldap_state->schema_ver,
626 LDAP_ATTR_PWD_LAST_SET),
627 ctx);
628 if (temp) {
629 pass_last_set_time = (time_t) atol(temp);
630 pdb_set_pass_last_set_time(sampass,
631 pass_last_set_time, PDB_SET);
632 }
633
634 temp = smbldap_talloc_single_attribute(
635 ldap_state->smbldap_state->ldap_struct,
636 entry,
637 get_userattr_key2string(ldap_state->schema_ver,
638 LDAP_ATTR_LOGON_TIME),
639 ctx);
640 if (temp) {
641 logon_time = (time_t) atol(temp);
642 pdb_set_logon_time(sampass, logon_time, PDB_SET);
643 }
644
645 temp = smbldap_talloc_single_attribute(
646 ldap_state->smbldap_state->ldap_struct,
647 entry,
648 get_userattr_key2string(ldap_state->schema_ver,
649 LDAP_ATTR_LOGOFF_TIME),
650 ctx);
651 if (temp) {
652 logoff_time = (time_t) atol(temp);
653 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
654 }
655
656 temp = smbldap_talloc_single_attribute(
657 ldap_state->smbldap_state->ldap_struct,
658 entry,
659 get_userattr_key2string(ldap_state->schema_ver,
660 LDAP_ATTR_KICKOFF_TIME),
661 ctx);
662 if (temp) {
663 kickoff_time = (time_t) atol(temp);
664 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
665 }
666
667 temp = smbldap_talloc_single_attribute(
668 ldap_state->smbldap_state->ldap_struct,
669 entry,
670 get_userattr_key2string(ldap_state->schema_ver,
671 LDAP_ATTR_PWD_CAN_CHANGE),
672 ctx);
673 if (temp) {
674 pass_can_change_time = (time_t) atol(temp);
675 pdb_set_pass_can_change_time(sampass,
676 pass_can_change_time, PDB_SET);
677 }
678
679 temp = smbldap_talloc_single_attribute(
680 ldap_state->smbldap_state->ldap_struct,
681 entry,
682 get_userattr_key2string(ldap_state->schema_ver,
683 LDAP_ATTR_PWD_MUST_CHANGE),
684 ctx);
685 if (temp) {
686 pass_must_change_time = (time_t) atol(temp);
687 pdb_set_pass_must_change_time(sampass,
688 pass_must_change_time, PDB_SET);
689 }
690
691 /* recommend that 'gecos' and 'displayName' should refer to the same
692 * attribute OID. userFullName depreciated, only used by Samba
693 * primary rules of LDAP: don't make a new attribute when one is already defined
694 * that fits your needs; using cn then displayName rather than 'userFullName'
695 */
696
697 fullname = smbldap_talloc_single_attribute(
698 ldap_state->smbldap_state->ldap_struct,
699 entry,
700 get_userattr_key2string(ldap_state->schema_ver,
701 LDAP_ATTR_DISPLAY_NAME),
702 ctx);
703 if (fullname) {
704 pdb_set_fullname(sampass, fullname, PDB_SET);
705 } else {
706 fullname = smbldap_talloc_single_attribute(
707 ldap_state->smbldap_state->ldap_struct,
708 entry,
709 get_userattr_key2string(ldap_state->schema_ver,
710 LDAP_ATTR_CN),
711 ctx);
712 if (fullname) {
713 pdb_set_fullname(sampass, fullname, PDB_SET);
714 }
715 }
716
717 dir_drive = smbldap_talloc_single_attribute(
718 ldap_state->smbldap_state->ldap_struct,
719 entry,
720 get_userattr_key2string(ldap_state->schema_ver,
721 LDAP_ATTR_HOME_DRIVE),
722 ctx);
723 if (dir_drive) {
724 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
725 } else {
726 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
727 }
728
729 homedir = smbldap_talloc_single_attribute(
730 ldap_state->smbldap_state->ldap_struct,
731 entry,
732 get_userattr_key2string(ldap_state->schema_ver,
733 LDAP_ATTR_HOME_PATH),
734 ctx);
735 if (homedir) {
736 if (expand_explicit) {
737 homedir = talloc_sub_basic(ctx,
738 username,
739 domain,
740 homedir);
741 if (!homedir) {
742 goto fn_exit;
743 }
744 }
745 pdb_set_homedir(sampass, homedir, PDB_SET);
746 } else {
747 pdb_set_homedir(sampass,
748 talloc_sub_basic(ctx, username, domain,
749 lp_logon_home()),
750 PDB_DEFAULT);
751 }
752
753 logon_script = smbldap_talloc_single_attribute(
754 ldap_state->smbldap_state->ldap_struct,
755 entry,
756 get_userattr_key2string(ldap_state->schema_ver,
757 LDAP_ATTR_LOGON_SCRIPT),
758 ctx);
759 if (logon_script) {
760 if (expand_explicit) {
761 logon_script = talloc_sub_basic(ctx,
762 username,
763 domain,
764 logon_script);
765 if (!logon_script) {
766 goto fn_exit;
767 }
768 }
769 pdb_set_logon_script(sampass, logon_script, PDB_SET);
770 } else {
771 pdb_set_logon_script(sampass,
772 talloc_sub_basic(ctx, username, domain,
773 lp_logon_script()),
774 PDB_DEFAULT );
775 }
776
777 profile_path = smbldap_talloc_single_attribute(
778 ldap_state->smbldap_state->ldap_struct,
779 entry,
780 get_userattr_key2string(ldap_state->schema_ver,
781 LDAP_ATTR_PROFILE_PATH),
782 ctx);
783 if (profile_path) {
784 if (expand_explicit) {
785 profile_path = talloc_sub_basic(ctx,
786 username,
787 domain,
788 profile_path);
789 if (!profile_path) {
790 goto fn_exit;
791 }
792 }
793 pdb_set_profile_path(sampass, profile_path, PDB_SET);
794 } else {
795 pdb_set_profile_path(sampass,
796 talloc_sub_basic(ctx, username, domain,
797 lp_logon_path()),
798 PDB_DEFAULT );
799 }
800
801 acct_desc = smbldap_talloc_single_attribute(
802 ldap_state->smbldap_state->ldap_struct,
803 entry,
804 get_userattr_key2string(ldap_state->schema_ver,
805 LDAP_ATTR_DESC),
806 ctx);
807 if (acct_desc) {
808 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
809 }
810
811 workstations = smbldap_talloc_single_attribute(
812 ldap_state->smbldap_state->ldap_struct,
813 entry,
814 get_userattr_key2string(ldap_state->schema_ver,
815 LDAP_ATTR_USER_WKS),
816 ctx);
817 if (workstations) {
818 pdb_set_workstations(sampass, workstations, PDB_SET);
819 }
820
821 munged_dial = smbldap_talloc_single_attribute(
822 ldap_state->smbldap_state->ldap_struct,
823 entry,
824 get_userattr_key2string(ldap_state->schema_ver,
825 LDAP_ATTR_MUNGED_DIAL),
826 ctx);
827 if (munged_dial) {
828 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
829 }
830
831 /* FIXME: hours stuff should be cleaner */
832
833 logon_divs = 168;
834 hours_len = 21;
835 memset(hours, 0xff, hours_len);
836
837 if (ldap_state->is_nds_ldap) {
838 char *user_dn;
839 size_t pwd_len;
840 char clear_text_pw[512];
841
842 /* Make call to Novell eDirectory ldap extension to get clear text password.
843 NOTE: This will only work if we have an SSL connection to eDirectory. */
844 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
845 if (user_dn != NULL) {
846 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
847
848 pwd_len = sizeof(clear_text_pw);
849 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
850 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
851 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
852 TALLOC_FREE(user_dn);
853 return False;
854 }
855 ZERO_STRUCT(smblmpwd);
856 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
857 TALLOC_FREE(user_dn);
858 return False;
859 }
860 ZERO_STRUCT(smbntpwd);
861 use_samba_attrs = False;
862 }
863
864 TALLOC_FREE(user_dn);
865
866 } else {
867 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
868 }
869 }
870
871 if (use_samba_attrs) {
872 temp = smbldap_talloc_single_attribute(
873 ldap_state->smbldap_state->ldap_struct,
874 entry,
875 get_userattr_key2string(ldap_state->schema_ver,
876 LDAP_ATTR_LMPW),
877 ctx);
878 if (temp) {
879 pdb_gethexpwd(temp, smblmpwd);
880 memset((char *)temp, '\0', strlen(temp)+1);
881 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
882 goto fn_exit;
883 }
884 ZERO_STRUCT(smblmpwd);
885 }
886
887 temp = smbldap_talloc_single_attribute(
888 ldap_state->smbldap_state->ldap_struct,
889 entry,
890 get_userattr_key2string(ldap_state->schema_ver,
891 LDAP_ATTR_NTPW),
892 ctx);
893 if (temp) {
894 pdb_gethexpwd(temp, smbntpwd);
895 memset((char *)temp, '\0', strlen(temp)+1);
896 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
897 goto fn_exit;
898 }
899 ZERO_STRUCT(smbntpwd);
900 }
901 }
902
903 pwHistLen = 0;
904
905 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
906 if (pwHistLen > 0){
907 uint8 *pwhist = NULL;
908 int i;
909 char *history_string = TALLOC_ARRAY(ctx, char,
910 MAX_PW_HISTORY_LEN*64);
911
912 if (!history_string) {
913 goto fn_exit;
914 }
915
916 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
917
918 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
920 NULL){
921 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
922 goto fn_exit;
923 }
924 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
925
926 if (smbldap_get_single_attribute(
927 ldap_state->smbldap_state->ldap_struct,
928 entry,
929 get_userattr_key2string(ldap_state->schema_ver,
930 LDAP_ATTR_PWD_HISTORY),
931 history_string,
932 MAX_PW_HISTORY_LEN*64)) {
933 bool hex_failed = false;
934 for (i = 0; i < pwHistLen; i++){
935 /* Get the 16 byte salt. */
936 if (!pdb_gethexpwd(&history_string[i*64],
937 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
938 hex_failed = true;
939 break;
940 }
941 /* Get the 16 byte MD5 hash of salt+passwd. */
942 if (!pdb_gethexpwd(&history_string[(i*64)+32],
943 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
944 PW_HISTORY_SALT_LEN])) {
945 hex_failed = True;
946 break;
947 }
948 }
949 if (hex_failed) {
950 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
951 username));
952 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
953 }
954 }
955 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
956 goto fn_exit;
957 }
958 }
959
960 temp = smbldap_talloc_single_attribute(
961 ldap_state->smbldap_state->ldap_struct,
962 entry,
963 get_userattr_key2string(ldap_state->schema_ver,
964 LDAP_ATTR_ACB_INFO),
965 ctx);
966 if (temp) {
967 acct_ctrl = pdb_decode_acct_ctrl(temp);
968
969 if (acct_ctrl == 0) {
970 acct_ctrl |= ACB_NORMAL;
971 }
972
973 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
974 } else {
975 acct_ctrl |= ACB_NORMAL;
976 }
977
978 pdb_set_hours_len(sampass, hours_len, PDB_SET);
979 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
980
981 temp = smbldap_talloc_single_attribute(
982 ldap_state->smbldap_state->ldap_struct,
983 entry,
984 get_userattr_key2string(ldap_state->schema_ver,
985 LDAP_ATTR_BAD_PASSWORD_COUNT),
986 ctx);
987 if (temp) {
988 bad_password_count = (uint32) atol(temp);
989 pdb_set_bad_password_count(sampass,
990 bad_password_count, PDB_SET);
991 }
992
993 temp = smbldap_talloc_single_attribute(
994 ldap_state->smbldap_state->ldap_struct,
995 entry,
996 get_userattr_key2string(ldap_state->schema_ver,
997 LDAP_ATTR_BAD_PASSWORD_TIME),
998 ctx);
999 if (temp) {
1000 bad_password_time = (time_t) atol(temp);
1001 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1002 }
1003
1004
1005 temp = smbldap_talloc_single_attribute(
1006 ldap_state->smbldap_state->ldap_struct,
1007 entry,
1008 get_userattr_key2string(ldap_state->schema_ver,
1009 LDAP_ATTR_LOGON_COUNT),
1010 ctx);
1011 if (temp) {
1012 logon_count = (uint32) atol(temp);
1013 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1014 }
1015
1016 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1017
1018 temp = smbldap_talloc_single_attribute(
1019 ldap_state->smbldap_state->ldap_struct,
1020 entry,
1021 get_userattr_key2string(ldap_state->schema_ver,
1022 LDAP_ATTR_LOGON_HOURS),
1023 ctx);
1024 if (temp) {
1025 pdb_gethexhours(temp, hours);
1026 memset((char *)temp, '\0', strlen(temp) +1);
1027 pdb_set_hours(sampass, hours, PDB_SET);
1028 ZERO_STRUCT(hours);
1029 }
1030
1031 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1032 temp = smbldap_talloc_single_attribute(
1033 priv2ld(ldap_state),
1034 entry,
1035 "uidNumber",
1036 ctx);
1037 if (temp) {
1038 /* We've got a uid, feed the cache */
1039 uid_t uid = strtoul(temp, NULL, 10);
1040 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1041 }
1042 }
1043
1044 /* check the timestamp of the cache vs ldap entry */
1045 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1046 entry))) {
1047 ret = true;
1048 goto fn_exit;
1049 }
1050
1051 /* see if we have newer updates */
1052 if (!(cache_entry = login_cache_read(sampass))) {
1053 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1054 (unsigned int)pdb_get_bad_password_count(sampass),
1055 (unsigned int)pdb_get_bad_password_time(sampass)));
1056 ret = true;
1057 goto fn_exit;
1058 }
1059
1060 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1061 (unsigned int)ldap_entry_time,
1062 (unsigned int)cache_entry->entry_timestamp,
1063 (unsigned int)cache_entry->bad_password_time));
1064
1065 if (ldap_entry_time > cache_entry->entry_timestamp) {
1066 /* cache is older than directory , so
1067 we need to delete the entry but allow the
1068 fields to be written out */
1069 login_cache_delentry(sampass);
1070 } else {
1071 /* read cache in */
1072 pdb_set_acct_ctrl(sampass,
1073 pdb_get_acct_ctrl(sampass) |
1074 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1075 PDB_SET);
1076 pdb_set_bad_password_count(sampass,
1077 cache_entry->bad_password_count,
1078 PDB_SET);
1079 pdb_set_bad_password_time(sampass,
1080 cache_entry->bad_password_time,
1081 PDB_SET);
1082 }
1083
1084 ret = true;
1085
1086 fn_exit:
1087
1088 TALLOC_FREE(ctx);
1089 SAFE_FREE(cache_entry);
1090 return ret;
1091 }
1092
1093 /**********************************************************************
1094 Initialize the ldap db from a struct samu. Called on update.
1095 (Based on init_buffer_from_sam in pdb_tdb.c)
1096 *********************************************************************/
1097
1098 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1099 LDAPMessage *existing,
1100 LDAPMod *** mods, struct samu * sampass,
1101 bool (*need_update)(const struct samu *,
1102 enum pdb_elements))
1103 {
1104 char *temp = NULL;
1105 uint32 rid;
1106
1107 if (mods == NULL || sampass == NULL) {
1108 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1109 return False;
1110 }
1111
1112 *mods = NULL;
1113
1114 /*
1115 * took out adding "objectclass: sambaAccount"
1116 * do this on a per-mod basis
1117 */
1118 if (need_update(sampass, PDB_USERNAME)) {
1119 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1120 "uid", pdb_get_username(sampass));
1121 if (ldap_state->is_nds_ldap) {
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 "cn", pdb_get_username(sampass));
1124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1125 "sn", pdb_get_username(sampass));
1126 }
1127 }
1128
1129 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1130
1131 /* only update the RID if we actually need to */
1132 if (need_update(sampass, PDB_USERSID)) {
1133 fstring sid_string;
1134 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1135
1136 switch ( ldap_state->schema_ver ) {
1137 case SCHEMAVER_SAMBAACCOUNT:
1138 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1139 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1140 sid_string_dbg(user_sid),
1141 sid_string_dbg(
1142 &ldap_state->domain_sid)));
1143 return False;
1144 }
1145 if (asprintf(&temp, "%i", rid) < 0) {
1146 return false;
1147 }
1148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1149 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1150 temp);
1151 SAFE_FREE(temp);
1152 break;
1153
1154 case SCHEMAVER_SAMBASAMACCOUNT:
1155 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1156 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1157 sid_to_fstring(sid_string, user_sid));
1158 break;
1159
1160 default:
1161 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1162 break;
1163 }
1164 }
1165
1166 /* we don't need to store the primary group RID - so leaving it
1167 'free' to hang off the unix primary group makes life easier */
1168
1169 if (need_update(sampass, PDB_GROUPSID)) {
1170 fstring sid_string;
1171 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1172
1173 switch ( ldap_state->schema_ver ) {
1174 case SCHEMAVER_SAMBAACCOUNT:
1175 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1176 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1177 sid_string_dbg(group_sid),
1178 sid_string_dbg(
1179 &ldap_state->domain_sid)));
1180 return False;
1181 }
1182
1183 if (asprintf(&temp, "%i", rid) < 0) {
1184 return false;
1185 }
1186 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1187 get_userattr_key2string(ldap_state->schema_ver,
1188 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1189 SAFE_FREE(temp);
1190 break;
1191
1192 case SCHEMAVER_SAMBASAMACCOUNT:
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver,
1195 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1196 break;
1197
1198 default:
1199 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1200 break;
1201 }
1202
1203 }
1204
1205 /* displayName, cn, and gecos should all be the same
1206 * most easily accomplished by giving them the same OID
1207 * gecos isn't set here b/c it should be handled by the
1208 * add-user script
1209 * We change displayName only and fall back to cn if
1210 * it does not exist.
1211 */
1212
1213 if (need_update(sampass, PDB_FULLNAME))
1214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1215 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1216 pdb_get_fullname(sampass));
1217
1218 if (need_update(sampass, PDB_ACCTDESC))
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1221 pdb_get_acct_desc(sampass));
1222
1223 if (need_update(sampass, PDB_WORKSTATIONS))
1224 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1225 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1226 pdb_get_workstations(sampass));
1227
1228 if (need_update(sampass, PDB_MUNGEDDIAL))
1229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1230 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1231 pdb_get_munged_dial(sampass));
1232
1233 if (need_update(sampass, PDB_SMBHOME))
1234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1235 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1236 pdb_get_homedir(sampass));
1237
1238 if (need_update(sampass, PDB_DRIVE))
1239 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1240 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1241 pdb_get_dir_drive(sampass));
1242
1243 if (need_update(sampass, PDB_LOGONSCRIPT))
1244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1246 pdb_get_logon_script(sampass));
1247
1248 if (need_update(sampass, PDB_PROFILE))
1249 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1250 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1251 pdb_get_profile_path(sampass));
1252
1253 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1254 return false;
1255 }
1256 if (need_update(sampass, PDB_LOGONTIME))
1257 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1259 SAFE_FREE(temp);
1260
1261 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1262 return false;
1263 }
1264 if (need_update(sampass, PDB_LOGOFFTIME))
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1267 SAFE_FREE(temp);
1268
1269 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1270 return false;
1271 }
1272 if (need_update(sampass, PDB_KICKOFFTIME))
1273 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1274 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1275 SAFE_FREE(temp);
1276
1277 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1278 return false;
1279 }
1280 if (need_update(sampass, PDB_CANCHANGETIME))
1281 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1282 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1283 SAFE_FREE(temp);
1284
1285 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1286 return false;
1287 }
1288 if (need_update(sampass, PDB_MUSTCHANGETIME))
1289 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1290 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1291 SAFE_FREE(temp);
1292
1293 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1294 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1295
1296 if (need_update(sampass, PDB_LMPASSWD)) {
1297 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1298 if (lm_pw) {
1299 char pwstr[34];
1300 pdb_sethexpwd(pwstr, lm_pw,
1301 pdb_get_acct_ctrl(sampass));
1302 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304 pwstr);
1305 } else {
1306 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1308 NULL);
1309 }
1310 }
1311 if (need_update(sampass, PDB_NTPASSWD)) {
1312 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1313 if (nt_pw) {
1314 char pwstr[34];
1315 pdb_sethexpwd(pwstr, nt_pw,
1316 pdb_get_acct_ctrl(sampass));
1317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1319 pwstr);
1320 } else {
1321 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1323 NULL);
1324 }
1325 }
1326
1327 if (need_update(sampass, PDB_PWHISTORY)) {
1328 char *pwstr = NULL;
1329 uint32 pwHistLen = 0;
1330 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1331
1332 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1333 if (!pwstr) {
1334 return false;
1335 }
1336 if (pwHistLen == 0) {
1337 /* Remove any password history from the LDAP store. */
1338 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1339 pwstr[64] = '\0';
1340 } else {
1341 int i;
1342 uint32 currHistLen = 0;
1343 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1344 if (pwhist != NULL) {
1345 /* We can only store (1024-1/64 password history entries. */
1346 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1347 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1348 /* Store the salt. */
1349 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1350 /* Followed by the md5 hash of salt + md4 hash */
1351 pdb_sethexpwd(&pwstr[(i*64)+32],
1352 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1353 DEBUG(100, ("pwstr=%s\n", pwstr));
1354 }
1355 }
1356 }
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1359 pwstr);
1360 SAFE_FREE(pwstr);
1361 }
1362
1363 if (need_update(sampass, PDB_PASSLASTSET)) {
1364 if (asprintf(&temp, "%li",
1365 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1366 return false;
1367 }
1368 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1370 temp);
1371 SAFE_FREE(temp);
1372 }
1373 }
1374
1375 if (need_update(sampass, PDB_HOURS)) {
1376 const uint8 *hours = pdb_get_hours(sampass);
1377 if (hours) {
1378 char hourstr[44];
1379 pdb_sethexhours(hourstr, hours);
1380 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1381 existing,
1382 mods,
1383 get_userattr_key2string(ldap_state->schema_ver,
1384 LDAP_ATTR_LOGON_HOURS),
1385 hourstr);
1386 }
1387 }
1388
1389 if (need_update(sampass, PDB_ACCTCTRL))
1390 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1391 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1392 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1393
1394 /* password lockout cache:
1395 - If we are now autolocking or clearing, we write to ldap
1396 - If we are clearing, we delete the cache entry
1397 - If the count is > 0, we update the cache
1398
1399 This even means when autolocking, we cache, just in case the
1400 update doesn't work, and we have to cache the autolock flag */
1401
1402 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1403 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1404 uint16 badcount = pdb_get_bad_password_count(sampass);
1405 time_t badtime = pdb_get_bad_password_time(sampass);
1406 uint32 pol;
1407 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1408
1409 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1410 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1411
1412 if ((badcount >= pol) || (badcount == 0)) {
1413 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1414 (unsigned int)badcount, (unsigned int)badtime));
1415 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1416 return false;
1417 }
1418 smbldap_make_mod(
1419 ldap_state->smbldap_state->ldap_struct,
1420 existing, mods,
1421 get_userattr_key2string(
1422 ldap_state->schema_ver,
1423 LDAP_ATTR_BAD_PASSWORD_COUNT),
1424 temp);
1425 SAFE_FREE(temp);
1426
1427 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1428 return false;
1429 }
1430 smbldap_make_mod(
1431 ldap_state->smbldap_state->ldap_struct,
1432 existing, mods,
1433 get_userattr_key2string(
1434 ldap_state->schema_ver,
1435 LDAP_ATTR_BAD_PASSWORD_TIME),
1436 temp);
1437 SAFE_FREE(temp);
1438 }
1439 if (badcount == 0) {
1440 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1441 login_cache_delentry(sampass);
1442 } else {
1443 LOGIN_CACHE cache_entry;
1444
1445 cache_entry.entry_timestamp = time(NULL);
1446 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1447 cache_entry.bad_password_count = badcount;
1448 cache_entry.bad_password_time = badtime;
1449
1450 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1451 login_cache_write(sampass, cache_entry);
1452 }
1453 }
1454
1455 return True;
1456 }
1457
1458 /**********************************************************************
1459 End enumeration of the LDAP password list.
1460 *********************************************************************/
1461
1462 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1463 {
1464 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1465 if (ldap_state->result) {
1466 ldap_msgfree(ldap_state->result);
1467 ldap_state->result = NULL;
1468 }
1469 }
1470
1471 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1472 const char *new_attr)
1473 {
1474 int i;
1475
1476 if (new_attr == NULL) {
1477 return;
1478 }
1479
1480 for (i=0; (*attr_list)[i] != NULL; i++) {
1481 ;
1482 }
1483
1484 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1485 const char *, i+2);
1486 SMB_ASSERT((*attr_list) != NULL);
1487 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1488 (*attr_list)[i+1] = NULL;
1489 }
1490
1491 /**********************************************************************
1492 Get struct samu entry from LDAP by username.
1493 *********************************************************************/
1494
1495 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1496 {
1497 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1498 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1499 LDAPMessage *result = NULL;
1500 LDAPMessage *entry = NULL;
1501 int count;
1502 const char ** attr_list;
1503 int rc;
1504
1505 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1506 append_attr(user, &attr_list,
1507 get_userattr_key2string(ldap_state->schema_ver,
1508 LDAP_ATTR_MOD_TIMESTAMP));
1509 append_attr(user, &attr_list, "uidNumber");
1510 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1511 attr_list);
1512 TALLOC_FREE( attr_list );
1513
1514 if ( rc != LDAP_SUCCESS )
1515 return NT_STATUS_NO_SUCH_USER;
1516
1517 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1518
1519 if (count < 1) {
1520 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1521 ldap_msgfree(result);
1522 return NT_STATUS_NO_SUCH_USER;
1523 } else if (count > 1) {
1524 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1525 ldap_msgfree(result);
1526 return NT_STATUS_NO_SUCH_USER;
1527 }
1528
1529 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1530 if (entry) {
1531 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1532 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1533 ldap_msgfree(result);
1534 return NT_STATUS_NO_SUCH_USER;
1535 }
1536 pdb_set_backend_private_data(user, result, NULL,
1537 my_methods, PDB_CHANGED);
1538 talloc_autofree_ldapmsg(user, result);
1539 ret = NT_STATUS_OK;
1540 } else {
1541 ldap_msgfree(result);
1542 }
1543 return ret;
1544 }
1545
1546 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1547 const DOM_SID *sid, LDAPMessage **result)
1548 {
1549 int rc = -1;
1550 const char ** attr_list;
1551 uint32 rid;
1552
1553 switch ( ldap_state->schema_ver ) {
1554 case SCHEMAVER_SAMBASAMACCOUNT: {
1555 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1556 if (tmp_ctx == NULL) {
1557 return LDAP_NO_MEMORY;
1558 }
1559
1560 attr_list = get_userattr_list(tmp_ctx,
1561 ldap_state->schema_ver);
1562 append_attr(tmp_ctx, &attr_list,
1563 get_userattr_key2string(
1564 ldap_state->schema_ver,
1565 LDAP_ATTR_MOD_TIMESTAMP));
1566 append_attr(tmp_ctx, &attr_list, "uidNumber");
1567 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1568 result, attr_list);
1569 TALLOC_FREE(tmp_ctx);
1570
1571 if ( rc != LDAP_SUCCESS )
1572 return rc;
1573 break;
1574 }
1575
1576 case SCHEMAVER_SAMBAACCOUNT:
1577 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1578 return rc;
1579 }
1580
1581 attr_list = get_userattr_list(NULL,
1582 ldap_state->schema_ver);
1583 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1584 TALLOC_FREE( attr_list );
1585
1586 if ( rc != LDAP_SUCCESS )
1587 return rc;
1588 break;
1589 }
1590 return rc;
1591 }
1592
1593 /**********************************************************************
1594 Get struct samu entry from LDAP by SID.
1595 *********************************************************************/
1596
1597 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1598 {
1599 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1600 LDAPMessage *result = NULL;
1601 LDAPMessage *entry = NULL;
1602 int count;
1603 int rc;
1604
1605 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1606 sid, &result);
1607 if (rc != LDAP_SUCCESS)
1608 return NT_STATUS_NO_SUCH_USER;
1609
1610 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1611
1612 if (count < 1) {
1613 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1614 "count=%d\n", sid_string_dbg(sid), count));
1615 ldap_msgfree(result);
1616 return NT_STATUS_NO_SUCH_USER;
1617 } else if (count > 1) {
1618 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1619 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1620 count));
1621 ldap_msgfree(result);
1622 return NT_STATUS_NO_SUCH_USER;
1623 }
1624
1625 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1626 if (!entry) {
1627 ldap_msgfree(result);
1628 return NT_STATUS_NO_SUCH_USER;
1629 }
1630
1631 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1632 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1633 ldap_msgfree(result);
1634 return NT_STATUS_NO_SUCH_USER;
1635 }
1636
1637 pdb_set_backend_private_data(user, result, NULL,
1638 my_methods, PDB_CHANGED);
1639 talloc_autofree_ldapmsg(user, result);
1640 return NT_STATUS_OK;
1641 }
1642
1643 /********************************************************************
1644 Do the actual modification - also change a plaintext passord if
1645 it it set.
1646 **********************************************************************/
1647
1648 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1649 struct samu *newpwd, char *dn,
1650 LDAPMod **mods, int ldap_op,
1651 bool (*need_update)(const struct samu *, enum pdb_elements))
1652 {
1653 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1654 int rc;
1655
1656 if (!newpwd || !dn) {
1657 return NT_STATUS_INVALID_PARAMETER;
1658 }
1659
1660 if (!mods) {
1661 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1662 /* may be password change below however */
1663 } else {
1664 switch(ldap_op) {
1665 case LDAP_MOD_ADD:
1666 if (ldap_state->is_nds_ldap) {
1667 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1668 "objectclass",
1669 "inetOrgPerson");
1670 } else {
1671 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1672 "objectclass",
1673 LDAP_OBJ_ACCOUNT);
1674 }
1675 rc = smbldap_add(ldap_state->smbldap_state,
1676 dn, mods);
1677 break;
1678 case LDAP_MOD_REPLACE:
1679 rc = smbldap_modify(ldap_state->smbldap_state,
1680 dn ,mods);
1681 break;
1682 default:
1683 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1684 ldap_op));
1685 return NT_STATUS_INVALID_PARAMETER;
1686 }
1687
1688 if (rc!=LDAP_SUCCESS) {
1689 return NT_STATUS_UNSUCCESSFUL;
1690 }
1691 }
1692
1693 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1694 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1695 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1696 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1697 BerElement *ber;
1698 struct berval *bv;
1699 char *retoid = NULL;
1700 struct berval *retdata = NULL;
1701 char *utf8_password;
1702 char *utf8_dn;
1703 size_t converted_size;
1704 int ret;
1705
1706 if (!ldap_state->is_nds_ldap) {
1707
1708 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1709 LDAP_EXOP_MODIFY_PASSWD)) {
1710 DEBUG(2, ("ldap password change requested, but LDAP "
1711 "server does not support it -- ignoring\n"));
1712 return NT_STATUS_OK;
1713 }
1714 }
1715
1716 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1717 pdb_get_plaintext_passwd(newpwd),
1718 &converted_size))
1719 {
1720 return NT_STATUS_NO_MEMORY;
1721 }
1722
1723 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1724 TALLOC_FREE(utf8_password);
1725 return NT_STATUS_NO_MEMORY;
1726 }
1727
1728 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1729 DEBUG(0,("ber_alloc_t returns NULL\n"));
1730 TALLOC_FREE(utf8_password);
1731 TALLOC_FREE(utf8_dn);
1732 return NT_STATUS_UNSUCCESSFUL;
1733 }
1734
1735 if ((ber_printf (ber, "{") < 0) ||
1736 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1737 utf8_dn) < 0)) {
1738 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1739 "value <0\n"));
1740 ber_free(ber,1);
1741 TALLOC_FREE(utf8_dn);
1742 TALLOC_FREE(utf8_password);
1743 return NT_STATUS_UNSUCCESSFUL;
1744 }
1745
1746 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1747 ret = ber_printf(ber, "ts}",
1748 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1749 utf8_password);
1750 } else {
1751 ret = ber_printf(ber, "}");
1752 }
1753
1754 if (ret < 0) {
1755 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1756 "value <0\n"));
1757 ber_free(ber,1);
1758 TALLOC_FREE(utf8_dn);
1759 TALLOC_FREE(utf8_password);
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762
1763 if ((rc = ber_flatten (ber, &bv))<0) {
1764 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1765 ber_free(ber,1);
1766 TALLOC_FREE(utf8_dn);
1767 TALLOC_FREE(utf8_password);
1768 return NT_STATUS_UNSUCCESSFUL;
1769 }
1770
1771 TALLOC_FREE(utf8_dn);
1772 TALLOC_FREE(utf8_password);
1773 ber_free(ber, 1);
1774
1775 if (!ldap_state->is_nds_ldap) {
1776 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1777 LDAP_EXOP_MODIFY_PASSWD,
1778 bv, NULL, NULL, &retoid,
1779 &retdata);
1780 } else {
1781 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1782 pdb_get_plaintext_passwd(newpwd));
1783 }
1784 if (rc != LDAP_SUCCESS) {
1785 char *ld_error = NULL;
1786
1787 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1788 DEBUG(3, ("Could not set userPassword "
1789 "attribute due to an objectClass "
1790 "violation -- ignoring\n"));
1791 ber_bvfree(bv);
1792 return NT_STATUS_OK;
1793 }
1794
1795 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1796 &ld_error);
1797 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1798 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1799 SAFE_FREE(ld_error);
1800 ber_bvfree(bv);
1801 #if defined(LDAP_CONSTRAINT_VIOLATION)
1802 if (rc == LDAP_CONSTRAINT_VIOLATION)
1803 return NT_STATUS_PASSWORD_RESTRICTION;
1804 #endif
1805 return NT_STATUS_UNSUCCESSFUL;
1806 } else {
1807 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1808 #ifdef DEBUG_PASSWORD
1809 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1810 #endif
1811 if (retdata)
1812 ber_bvfree(retdata);
1813 if (retoid)
1814 ldap_memfree(retoid);
1815 }
1816 ber_bvfree(bv);
1817 }
1818 return NT_STATUS_OK;
1819 }
1820
1821 /**********************************************************************
1822 Delete entry from LDAP for username.
1823 *********************************************************************/
1824
1825 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1826 struct samu * sam_acct)
1827 {
1828 struct ldapsam_privates *priv =
1829 (struct ldapsam_privates *)my_methods->private_data;
1830 const char *sname;
1831 int rc;
1832 LDAPMessage *msg, *entry;
1833 NTSTATUS result = NT_STATUS_NO_MEMORY;
1834 const char **attr_list;
1835 TALLOC_CTX *mem_ctx;
1836
1837 if (!sam_acct) {
1838 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1839 return NT_STATUS_INVALID_PARAMETER;
1840 }
1841
1842 sname = pdb_get_username(sam_acct);
1843
1844 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1845 "LDAP.\n", sname));
1846
1847 mem_ctx = talloc_new(NULL);
1848 if (mem_ctx == NULL) {
1849 DEBUG(0, ("talloc_new failed\n"));
1850 goto done;
1851 }
1852
1853 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1854 if (attr_list == NULL) {
1855 goto done;
1856 }
1857
1858 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1859
1860 if ((rc != LDAP_SUCCESS) ||
1861 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1862 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1863 DEBUG(5, ("Could not find user %s\n", sname));
1864 result = NT_STATUS_NO_SUCH_USER;
1865 goto done;
1866 }
1867
1868 rc = ldapsam_delete_entry(
1869 priv, mem_ctx, entry,
1870 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1871 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1872 attr_list);
1873
1874 result = (rc == LDAP_SUCCESS) ?
1875 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1876
1877 done:
1878 TALLOC_FREE(mem_ctx);
1879 return result;
1880 }
1881
1882 /**********************************************************************
1883 Helper function to determine for update_sam_account whether
1884 we need LDAP modification.
1885 *********************************************************************/
1886
1887 static bool element_is_changed(const struct samu *sampass,
1888 enum pdb_elements element)
1889 {
1890 return IS_SAM_CHANGED(sampass, element);
1891 }
1892
1893 /**********************************************************************
1894 Update struct samu.
1895 *********************************************************************/
1896
1897 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1898 {
1899 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1900 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1901 int rc = 0;
1902 char *dn;
1903 LDAPMessage *result = NULL;
1904 LDAPMessage *entry = NULL;
1905 LDAPMod **mods = NULL;
1906 const char **attr_list;
1907
1908 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1909 if (!result) {
1910 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1911 if (pdb_get_username(newpwd) == NULL) {
1912 return NT_STATUS_INVALID_PARAMETER;
1913 }
1914 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1915 TALLOC_FREE( attr_list );
1916 if (rc != LDAP_SUCCESS) {
1917 return NT_STATUS_UNSUCCESSFUL;
1918 }
1919 pdb_set_backend_private_data(newpwd, result, NULL,
1920 my_methods, PDB_CHANGED);
1921 talloc_autofree_ldapmsg(newpwd, result);
1922 }
1923
1924 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1925 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1926 return NT_STATUS_UNSUCCESSFUL;
1927 }
1928
1929 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1930 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1931 if (!dn) {
1932 return NT_STATUS_UNSUCCESSFUL;
1933 }
1934
1935 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1936
1937 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1938 element_is_changed)) {
1939 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1940 TALLOC_FREE(dn);
1941 if (mods != NULL)
1942 ldap_mods_free(mods,True);
1943 return NT_STATUS_UNSUCCESSFUL;
1944 }
1945
1946 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1947 && (mods == NULL)) {
1948 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1949 pdb_get_username(newpwd)));
1950 TALLOC_FREE(dn);
1951 return NT_STATUS_OK;
1952 }
1953
1954 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1955
1956 if (mods != NULL) {
1957 ldap_mods_free(mods,True);
1958 }
1959
1960 TALLOC_FREE(dn);
1961
1962 /*
1963 * We need to set the backend private data to NULL here. For example
1964 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1965 * same one, and with the explicit delete / add logic for attribute
1966 * values the second time we would use the wrong "old" value which
1967 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1968 * the update.
1969 * The existing LDAPMessage is still being auto-freed by the
1970 * destructor.
1971 */
1972 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1973 PDB_CHANGED);
1974
1975 if (!NT_STATUS_IS_OK(ret)) {
1976 return ret;
1977 }
1978
1979 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1980 pdb_get_username(newpwd)));
1981 return NT_STATUS_OK;
1982 }
1983
1984 /***************************************************************************
1985 Renames a struct samu
1986 - The "rename user script" has full responsibility for changing everything
1987 ***************************************************************************/
1988
1989 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1990 struct samu *old_acct,
1991 const char *newname)
1992 {
1993 const char *oldname;
1994 int rc;
1995 char *rename_script = NULL;
1996 fstring oldname_lower, newname_lower;
1997
1998 if (!old_acct) {
1999 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2000 return NT_STATUS_INVALID_PARAMETER;
2001 }
2002 if (!newname) {
2003 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2004 return NT_STATUS_INVALID_PARAMETER;
2005 }
2006
2007 oldname = pdb_get_username(old_acct);
2008
2009 /* rename the posix user */
2010 rename_script = SMB_STRDUP(lp_renameuser_script());
2011 if (rename_script == NULL) {
2012 return NT_STATUS_NO_MEMORY;
2013 }
2014
2015 if (!(*rename_script)) {
2016 SAFE_FREE(rename_script);
2017 return NT_STATUS_ACCESS_DENIED;
2018 }
2019
2020 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2021 oldname, newname));
2022
2023 /* We have to allow the account name to end with a '$'.
2024 Also, follow the semantics in _samr_create_user() and lower case the
2025 posix name but preserve the case in passdb */
2026
2027 fstrcpy( oldname_lower, oldname );
2028 strlower_m( oldname_lower );
2029 fstrcpy( newname_lower, newname );
2030 strlower_m( newname_lower );
2031 rename_script = realloc_string_sub2(rename_script,
2032 "%unew",
2033 newname_lower,
2034 true,
2035 true);
2036 if (!rename_script) {
2037 return NT_STATUS_NO_MEMORY;
2038 }
2039 rename_script = realloc_string_sub2(rename_script,
2040 "%uold",
2041 oldname_lower,
2042 true,
2043 true);
2044 rc = smbrun(rename_script, NULL);
2045
2046 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2047 rename_script, rc));
2048
2049 SAFE_FREE(rename_script);
2050
2051 if (rc == 0) {
2052 smb_nscd_flush_user_cache();
2053 }
2054
2055 if (rc)
2056 return NT_STATUS_UNSUCCESSFUL;
2057
2058 return NT_STATUS_OK;
2059 }
2060
2061 /**********************************************************************
2062 Helper function to determine for update_sam_account whether
2063 we need LDAP modification.
2064 *********************************************************************/
2065
2066 static bool element_is_set_or_changed(const struct samu *sampass,
2067 enum pdb_elements element)
2068 {
2069 return (IS_SAM_SET(sampass, element) ||
2070 IS_SAM_CHANGED(sampass, element));
2071 }
2072
2073 /**********************************************************************
2074 Add struct samu to LDAP.
2075 *********************************************************************/
2076
2077 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2078 {
2079 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2080 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2081 int rc;
2082 LDAPMessage *result = NULL;
2083 LDAPMessage *entry = NULL;
2084 LDAPMod **mods = NULL;
2085 int ldap_op = LDAP_MOD_REPLACE;
2086 uint32 num_result;
2087 const char **attr_list;
2088 char *escape_user = NULL;
2089 const char *username = pdb_get_username(newpwd);
2090 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2091 char *filter = NULL;
2092 char *dn = NULL;
2093 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2094 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2095
2096 if (!ctx) {
2097 return NT_STATUS_NO_MEMORY;
2098 }
2099
2100 if (!username || !*username) {
2101 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2102 status = NT_STATUS_INVALID_PARAMETER;
2103 goto fn_exit;
2104 }
2105
2106 /* free this list after the second search or in case we exit on failure */
2107 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2108
2109 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2110
2111 if (rc != LDAP_SUCCESS) {
2112 goto fn_exit;
2113 }
2114
2115 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2116 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2117 username));
2118 goto fn_exit;
2119 }
2120 ldap_msgfree(result);
2121 result = NULL;
2122
2123 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2124 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2125 sid, &result);
2126 if (rc == LDAP_SUCCESS) {
2127 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2128 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2129 "already in the base, with samba "
2130 "attributes\n", sid_string_dbg(sid)));
2131 goto fn_exit;
2132 }
2133 ldap_msgfree(result);
2134 result = NULL;
2135 }
2136 }
2137
2138 /* does the entry already exist but without a samba attributes?
2139 we need to return the samba attributes here */
2140
2141 escape_user = escape_ldap_string(talloc_tos(), username);
2142 filter = talloc_strdup(attr_list, "(uid=%u)");
2143 if (!filter) {
2144 status = NT_STATUS_NO_MEMORY;
2145 goto fn_exit;
2146 }
2147 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2148 TALLOC_FREE(escape_user);
2149 if (!filter) {
2150 status = NT_STATUS_NO_MEMORY;
2151 goto fn_exit;
2152 }
2153
2154 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2155 filter, attr_list, &result);
2156 if ( rc != LDAP_SUCCESS ) {
2157 goto fn_exit;
2158 }
2159
2160 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2161
2162 if (num_result > 1) {
2163 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2164 goto fn_exit;
2165 }
2166
2167 /* Check if we need to update an existing entry */
2168 if (num_result == 1) {
2169 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2170 ldap_op = LDAP_MOD_REPLACE;
2171 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2172 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2173 if (!dn) {
2174 status = NT_STATUS_NO_MEMORY;
2175 goto fn_exit;
2176 }
2177
2178 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2179
2180 /* There might be a SID for this account already - say an idmap entry */
2181
2182 filter = talloc_asprintf(ctx,
2183 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2184 get_userattr_key2string(ldap_state->schema_ver,
2185 LDAP_ATTR_USER_SID),
2186 sid_string_talloc(ctx, sid),
2187 LDAP_OBJ_IDMAP_ENTRY,
2188 LDAP_OBJ_SID_ENTRY);
2189 if (!filter) {
2190 status = NT_STATUS_NO_MEMORY;
2191 goto fn_exit;
2192 }
2193
2194 /* free old result before doing a new search */
2195 if (result != NULL) {
2196 ldap_msgfree(result);
2197 result = NULL;
2198 }
2199 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2200 filter, attr_list, &result);
2201
2202 if ( rc != LDAP_SUCCESS ) {
2203 goto fn_exit;
2204 }
2205
2206 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2207
2208 if (num_result > 1) {
2209 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2210 goto fn_exit;
2211 }
2212
2213 /* Check if we need to update an existing entry */
2214 if (num_result == 1) {
2215
2216 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2217 ldap_op = LDAP_MOD_REPLACE;
2218 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2219 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2220 if (!dn) {
2221 status = NT_STATUS_NO_MEMORY;
2222 goto fn_exit;
2223 }
2224 }
2225 }
2226
2227 if (num_result == 0) {
2228 char *escape_username;
2229 /* Check if we need to add an entry */
2230 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2231 ldap_op = LDAP_MOD_ADD;
2232
2233 escape_username = escape_rdn_val_string_alloc(username);
2234 if (!escape_username) {
2235 status = NT_STATUS_NO_MEMORY;
2236 goto fn_exit;
2237 }
2238
2239 if (username[strlen(username)-1] == '$') {
2240 dn = talloc_asprintf(ctx,
2241 "uid=%s,%s",
2242 escape_username,
2243 lp_ldap_machine_suffix());
2244 } else {
2245 dn = talloc_asprintf(ctx,
2246 "uid=%s,%s",
2247 escape_username,
2248 lp_ldap_user_suffix());
2249 }
2250
2251 SAFE_FREE(escape_username);
2252 if (!dn) {
2253 status = NT_STATUS_NO_MEMORY;
2254 goto fn_exit;
2255 }
2256 }
2257
2258 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2259 element_is_set_or_changed)) {
2260 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2261 if (mods != NULL) {
2262 ldap_mods_free(mods, true);
2263 }
2264 goto fn_exit;
2265 }
2266
2267 if (mods == NULL) {
2268 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2269 goto fn_exit;
2270 }
2271 switch ( ldap_state->schema_ver ) {
2272 case SCHEMAVER_SAMBAACCOUNT:
2273 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2274 break;
2275 case SCHEMAVER_SAMBASAMACCOUNT:
2276 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2277 break;
2278 default:
2279 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2280 break;
2281 }
2282
2283 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2284 if (!NT_STATUS_IS_OK(ret)) {
2285 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2286 pdb_get_username(newpwd),dn));
2287 ldap_mods_free(mods, true);
2288 goto fn_exit;
2289 }
2290
2291 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2292 ldap_mods_free(mods, true);
2293
2294 status = NT_STATUS_OK;
2295
2296 fn_exit:
2297
2298 TALLOC_FREE(ctx);
2299 if (result) {
2300 ldap_msgfree(result);
2301 }
2302 return status;
2303 }
2304
2305 /**********************************************************************
2306 *********************************************************************/
2307
2308 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2309 const char *filter,
2310 LDAPMessage ** result)
2311 {
2312 int scope = LDAP_SCOPE_SUBTREE;
2313 int rc;
2314 const char **attr_list;
2315
2316 attr_list = get_attr_list(NULL, groupmap_attr_list);
2317 rc = smbldap_search(ldap_state->smbldap_state,
2318 lp_ldap_suffix (), scope,
2319 filter, attr_list, 0, result);
2320 TALLOC_FREE(attr_list);
2321
2322 return rc;
2323 }
2324
2325 /**********************************************************************
2326 *********************************************************************/
2327
2328 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2329 GROUP_MAP *map, LDAPMessage *entry)
2330 {
2331 char *temp = NULL;
2332 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2333
2334 if (ldap_state == NULL || map == NULL || entry == NULL ||
2335 ldap_state->smbldap_state->ldap_struct == NULL) {
2336 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2337 TALLOC_FREE(ctx);
2338 return false;
2339 }
2340
2341 temp = smbldap_talloc_single_attribute(
2342 ldap_state->smbldap_state->ldap_struct,
2343 entry,
2344 get_attr_key2string(groupmap_attr_list,
2345 LDAP_ATTR_GIDNUMBER),
2346 ctx);
2347 if (!temp) {
2348 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2349 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2350 TALLOC_FREE(ctx);
2351 return false;
2352 }
2353 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2354
2355 map->gid = (gid_t)atol(temp);
2356
2357 TALLOC_FREE(temp);
2358 temp = smbldap_talloc_single_attribute(
2359 ldap_state->smbldap_state->ldap_struct,
2360 entry,
2361 get_attr_key2string(groupmap_attr_list,
2362 LDAP_ATTR_GROUP_SID),
2363 ctx);
2364 if (!temp) {
2365 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2366 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2367 TALLOC_FREE(ctx);
2368 return false;
2369 }
2370
2371 if (!string_to_sid(&map->sid, temp)) {
2372 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2373 TALLOC_FREE(ctx);
2374 return false;
2375 }
2376
2377 TALLOC_FREE(temp);
2378 temp = smbldap_talloc_single_attribute(
2379 ldap_state->smbldap_state->ldap_struct,
2380 entry,
2381 get_attr_key2string(groupmap_attr_list,
2382 LDAP_ATTR_GROUP_TYPE),
2383 ctx);
2384 if (!temp) {
2385 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2386 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2387 TALLOC_FREE(ctx);
2388 return false;
2389 }
2390 map->sid_name_use = (enum lsa_SidType)atol(temp);
2391
2392 if ((map->sid_name_use < SID_NAME_USER) ||
2393 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2394 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2395 TALLOC_FREE(ctx);
2396 return false;
2397 }
2398
2399 TALLOC_FREE(temp);
2400 temp = smbldap_talloc_single_attribute(
2401 ldap_state->smbldap_state->ldap_struct,
2402 entry,
2403 get_attr_key2string(groupmap_attr_list,
2404 LDAP_ATTR_DISPLAY_NAME),
2405 ctx);
2406 if (!temp) {
2407 temp = smbldap_talloc_single_attribute(
2408 ldap_state->smbldap_state->ldap_struct,
2409 entry,
2410 get_attr_key2string(groupmap_attr_list,
2411 LDAP_ATTR_CN),
2412 ctx);
2413 if (!temp) {
2414 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2415 for gidNumber(%lu)\n",(unsigned long)map->gid));
2416 TALLOC_FREE(ctx);
2417 return false;
2418 }
2419 }
2420 fstrcpy(map->nt_name, temp);
2421
2422 TALLOC_FREE(temp);
2423 temp = smbldap_talloc_single_attribute(
2424 ldap_state->smbldap_state->ldap_struct,
2425 entry,
2426 get_attr_key2string(groupmap_attr_list,
2427 LDAP_ATTR_DESC),
2428 ctx);
2429 if (!temp) {
2430 temp = talloc_strdup(ctx, "");
2431 if (!temp) {
2432 TALLOC_FREE(ctx);
2433 return false;
2434 }
2435 }
2436 fstrcpy(map->comment, temp);
2437
2438 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2439 store_gid_sid_cache(&map->sid, map->gid);
2440 }
2441
2442 TALLOC_FREE(ctx);
2443 return true;
2444 }
2445
2446 /**********************************************************************
2447 *********************************************************************/
2448
2449 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2450 const char *filter,
2451 GROUP_MAP *map)
2452 {
2453 struct ldapsam_privates *ldap_state =
2454 (struct ldapsam_privates *)methods->private_data;
2455 LDAPMessage *result = NULL;
2456 LDAPMessage *entry = NULL;
2457 int count;
2458
2459 if (ldapsam_search_one_group(ldap_state, filter, &result)
2460 != LDAP_SUCCESS) {
2461 return NT_STATUS_NO_SUCH_GROUP;
2462 }
2463
2464 count = ldap_count_entries(priv2ld(ldap_state), result);
2465
2466 if (count < 1) {
2467 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2468 "%s\n", filter));
2469 ldap_msgfree(result);
2470 return NT_STATUS_NO_SUCH_GROUP;
2471 }
2472
2473 if (count > 1) {
2474 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2475 "count=%d\n", filter, count));
2476 ldap_msgfree(result);
2477 return NT_STATUS_NO_SUCH_GROUP;
2478 }
2479
2480 entry = ldap_first_entry(priv2ld(ldap_state), result);
2481
2482 if (!entry) {
2483 ldap_msgfree(result);
2484 return NT_STATUS_UNSUCCESSFUL;
2485 }
2486
2487 if (!init_group_from_ldap(ldap_state, map, entry)) {
2488 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2489 "group filter %s\n", filter));
2490 ldap_msgfree(result);
2491 return NT_STATUS_NO_SUCH_GROUP;
2492 }
2493
2494 ldap_msgfree(result);
2495 return NT_STATUS_OK;
2496 }
2497
2498 /**********************************************************************
2499 *********************************************************************/
2500
2501 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2502 DOM_SID sid)
2503 {
2504 char *filter = NULL;
2505 NTSTATUS status;
2506 fstring tmp;
2507
2508 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2509 LDAP_OBJ_GROUPMAP,
2510 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2511 sid_to_fstring(tmp, &sid)) < 0) {
2512 return NT_STATUS_NO_MEMORY;
2513 }
2514
2515 status = ldapsam_getgroup(methods, filter, map);
2516 SAFE_FREE(filter);
2517 return status;
2518 }
2519
2520 /**********************************************************************
2521 *********************************************************************/
2522
2523 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2524 gid_t gid)
2525 {
2526 char *filter = NULL;
2527 NTSTATUS status;
2528
2529 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2530 LDAP_OBJ_GROUPMAP,
2531 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2532 (unsigned long)gid) < 0) {
2533 return NT_STATUS_NO_MEMORY;
2534 }
2535
2536 status = ldapsam_getgroup(methods, filter, map);
2537 SAFE_FREE(filter);
2538 return status;
2539 }
2540
2541 /**********************************************************************
2542 *********************************************************************/
2543
2544 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2545 const char *name)
2546 {
2547 char *filter = NULL;
2548 char *escape_name = escape_ldap_string(talloc_tos(), name);
2549 NTSTATUS status;
2550
2551 if (!escape_name) {
2552 return NT_STATUS_NO_MEMORY;
2553 }
2554
2555 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2556 LDAP_OBJ_GROUPMAP,
2557 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2558 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2559 escape_name) < 0) {
2560 TALLOC_FREE(escape_name);
2561 return NT_STATUS_NO_MEMORY;
2562 }
2563
2564 TALLOC_FREE(escape_name);
2565 status = ldapsam_getgroup(methods, filter, map);
2566 SAFE_FREE(filter);
2567 return status;
2568 }
2569
2570 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2571 LDAPMessage *entry,
2572 const DOM_SID *domain_sid,
2573 uint32 *rid)
2574 {
2575 fstring str;
2576 DOM_SID sid;
2577
2578 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2579 str, sizeof(str)-1)) {
2580 DEBUG(10, ("Could not find sambaSID attribute\n"));
2581 return False;
2582 }
2583
2584 if (!string_to_sid(&sid, str)) {
2585 DEBUG(10, ("Could not convert string %s to sid\n", str));
2586 return False;
2587 }
2588
2589 if (sid_compare_domain(&sid, domain_sid) != 0) {
2590 DEBUG(10, ("SID %s is not in expected domain %s\n",
2591 str, sid_string_dbg(domain_sid)));
2592 return False;
2593 }
2594
2595 if (!sid_peek_rid(&sid, rid)) {
2596 DEBUG(10, ("Could not peek into RID\n"));
2597 return False;
2598 }
2599
2600 return True;
2601 }
2602
2603 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2604 TALLOC_CTX *mem_ctx,
2605 const DOM_SID *group,
2606 uint32 **pp_member_rids,
2607 size_t *p_num_members)
2608 {
2609 struct ldapsam_privates *ldap_state =
2610 (struct ldapsam_privates *)methods->private_data;
2611 struct smbldap_state *conn = ldap_state->smbldap_state;
2612 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2613 const char *sid_attrs[] = { "sambaSID", NULL };
2614 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2615 LDAPMessage *result = NULL;
2616 LDAPMessage *entry;
2617 char *filter;
2618 char **values = NULL;
2619 char **memberuid;
2620 char *gidstr;
2621 int rc, count;
2622
2623 *pp_member_rids = NULL;
2624 *p_num_members = 0;
2625
2626 filter = talloc_asprintf(mem_ctx,
2627 "(&(objectClass=%s)"
2628 "(objectClass=%s)"
2629 "(sambaSID=%s))",
2630 LDAP_OBJ_POSIXGROUP,
2631 LDAP_OBJ_GROUPMAP,
2632 sid_string_talloc(mem_ctx, group));
2633 if (filter == NULL) {
2634 ret = NT_STATUS_NO_MEMORY;
2635 goto done;
2636 }
2637
2638 rc = smbldap_search(conn, lp_ldap_suffix(),
2639 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2640 &result);
2641
2642 if (rc != LDAP_SUCCESS)
2643 goto done;
2644
2645 talloc_autofree_ldapmsg(mem_ctx, result);
2646
2647 count = ldap_count_entries(conn->ldap_struct, result);
2648
2649 if (count > 1) {
2650 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2651 sid_string_dbg(group)));
2652 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2653 goto done;
2654 }
2655
2656 if (count == 0) {
2657 ret = NT_STATUS_NO_SUCH_GROUP;
2658 goto done;
2659 }
2660
2661 entry = ldap_first_entry(conn->ldap_struct, result);
2662 if (entry == NULL)
2663 goto done;
2664
2665 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2666 if (!gidstr) {
2667 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2668 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2669 goto done;
2670 }
2671
2672 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2673
2674 if (values) {
2675
2676 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2677 if (filter == NULL) {
2678 ret = NT_STATUS_NO_MEMORY;
2679 goto done;
2680 }
2681
2682 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2683 char *escape_memberuid;
2684
2685 escape_memberuid = escape_ldap_string(talloc_tos(),
2686 *memberuid);
2687 if (escape_memberuid == NULL) {
2688 ret = NT_STATUS_NO_MEMORY;
2689 goto done;
2690 }
2691
2692 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2693 TALLOC_FREE(escape_memberuid);
2694 if (filter == NULL) {
2695 ret = NT_STATUS_NO_MEMORY;
2696 goto done;
2697 }
2698 }
2699
2700 filter = talloc_asprintf_append_buffer(filter, "))");
2701 if (filter == NULL) {
2702 ret = NT_STATUS_NO_MEMORY;
2703 goto done;
2704 }
2705
2706 rc = smbldap_search(conn, lp_ldap_suffix(),
2707 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2708 &result);
2709
2710 if (rc != LDAP_SUCCESS)
2711 goto done;
2712
2713 count = ldap_count_entries(conn->ldap_struct, result);
2714 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2715
2716 talloc_autofree_ldapmsg(mem_ctx, result);
2717
2718 for (entry = ldap_first_entry(conn->ldap_struct, result);
2719 entry != NULL;
2720 entry = ldap_next_entry(conn->ldap_struct, entry))
2721 {
2722 char *sidstr;
2723 DOM_SID sid;
2724 uint32 rid;
2725
2726 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2727 entry, "sambaSID",
2728 mem_ctx);
2729 if (!sidstr) {
2730 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2731 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2732 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2733 goto done;
2734 }
2735
2736 if (!string_to_sid(&sid, sidstr))
2737 goto done;
2738
2739 if (!sid_check_is_in_our_domain(&sid)) {
2740 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2741 "in our domain\n"));
2742 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2743 goto done;
2744 }
2745
2746 sid_peek_rid(&sid, &rid);
2747
2748 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2749 p_num_members)) {
2750 ret = NT_STATUS_NO_MEMORY;
2751 goto done;
2752 }
2753 }
2754 }
2755
2756 filter = talloc_asprintf(mem_ctx,
2757 "(&(objectClass=%s)"
2758 "(gidNumber=%s))",
2759 LDAP_OBJ_SAMBASAMACCOUNT,
2760 gidstr);
2761
2762 rc = smbldap_search(conn, lp_ldap_suffix(),
2763 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2764 &result);
2765
2766 if (rc != LDAP_SUCCESS)
2767 goto done;
2768
2769 talloc_autofree_ldapmsg(mem_ctx, result);
2770
2771 for (entry = ldap_first_entry(conn->ldap_struct, result);
2772 entry != NULL;
2773 entry = ldap_next_entry(conn->ldap_struct, entry))
2774 {
2775 uint32 rid;
2776
2777 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2778 entry,
2779 get_global_sam_sid(),
2780 &rid)) {
2781 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2782 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2783 goto done;
2784 }
2785
2786 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2787 p_num_members)) {
2788 ret = NT_STATUS_NO_MEMORY;
2789 goto done;
2790 }
2791 }
2792
2793 ret = NT_STATUS_OK;
2794
2795 done:
2796
2797 if (values)
2798 ldap_value_free(values);
2799
2800 return ret;
2801 }
2802
2803 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2804 TALLOC_CTX *mem_ctx,
2805 struct samu *user,
2806 DOM_SID **pp_sids,
2807 gid_t **pp_gids,
2808 size_t *p_num_groups)
2809 {
2810 struct ldapsam_privates *ldap_state =
2811 (struct ldapsam_privates *)methods->private_data;
2812 struct smbldap_state *conn = ldap_state->smbldap_state;
2813 char *filter;
2814 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2815 char *escape_name;
2816 int rc, count;
2817 LDAPMessage *result = NULL;
2818 LDAPMessage *entry;
2819 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2820 size_t num_sids, num_gids;
2821 char *gidstr;
2822 gid_t primary_gid = -1;
2823
2824 *pp_sids = NULL;
2825 num_sids = 0;
2826
2827 if (pdb_get_username(user) == NULL) {
2828 return NT_STATUS_INVALID_PARAMETER;
2829 }
2830
2831 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2832 if (escape_name == NULL)
2833 return NT_STATUS_NO_MEMORY;
2834
2835 /* retrieve the users primary gid */
2836 filter = talloc_asprintf(mem_ctx,
2837 "(&(objectClass=%s)(uid=%s))",
2838 LDAP_OBJ_SAMBASAMACCOUNT,
2839 escape_name);
2840 if (filter == NULL) {
2841 ret = NT_STATUS_NO_MEMORY;
2842 goto done;
2843 }
2844
2845 rc = smbldap_search(conn, lp_ldap_suffix(),
2846 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2847
2848 if (rc != LDAP_SUCCESS)
2849 goto done;
2850
2851 talloc_autofree_ldapmsg(mem_ctx, result);
2852
2853 count = ldap_count_entries(priv2ld(ldap_state), result);
2854
2855 switch (count) {
2856 case 0:
2857 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2858 ret = NT_STATUS_NO_SUCH_USER;
2859 goto done;
2860 case 1:
2861 entry = ldap_first_entry(priv2ld(ldap_state), result);
2862
2863 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2864 if (!gidstr) {
2865 DEBUG (1, ("Unable to find the member's gid!\n"));
2866 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2867 goto done;
2868 }
2869 primary_gid = strtoul(gidstr, NULL, 10);
2870 break;
2871 default:
2872 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2873 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2874 goto done;
2875 }
2876
2877 filter = talloc_asprintf(mem_ctx,
2878 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2879 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2880 if (filter == NULL) {
2881 ret = NT_STATUS_NO_MEMORY;
2882 goto done;
2883 }
2884
2885 rc = smbldap_search(conn, lp_ldap_suffix(),
2886 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2887
2888 if (rc != LDAP_SUCCESS)
2889 goto done;
2890
2891 talloc_autofree_ldapmsg(mem_ctx, result);
2892
2893 num_gids = 0;
2894 *pp_gids = NULL;
2895
2896 num_sids = 0;
2897 *pp_sids = NULL;
2898
2899 /* We need to add the primary group as the first gid/sid */
2900
2901 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2902 ret = NT_STATUS_NO_MEMORY;
2903 goto done;
2904 }
2905
2906 /* This sid will be replaced later */
2907
2908 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2909 &num_sids);
2910 if (!NT_STATUS_IS_OK(ret)) {
2911 goto done;
2912 }
2913
2914 for (entry = ldap_first_entry(conn->ldap_struct, result);
2915 entry != NULL;
2916 entry = ldap_next_entry(conn->ldap_struct, entry))
2917 {
2918 fstring str;
2919 DOM_SID sid;
2920 gid_t gid;
2921 char *end;
2922
2923 if (!smbldap_get_single_attribute(conn->ldap_struct,
2924 entry, "sambaSID",
2925 str, sizeof(str)-1))
2926 continue;
2927
2928 if (!string_to_sid(&sid, str))
2929 goto done;
2930
2931 if (!smbldap_get_single_attribute(conn->ldap_struct,
2932 entry, "gidNumber",
2933 str, sizeof(str)-1))
2934 continue;
2935
2936 gid = strtoul(str, &end, 10);
2937
2938 if (PTR_DIFF(end, str) != strlen(str))
2939 goto done;
2940
2941 if (gid == primary_gid) {
2942 sid_copy(&(*pp_sids)[0], &sid);
2943 } else {
2944 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2945 &num_gids)) {
2946 ret = NT_STATUS_NO_MEMORY;
2947 goto done;
2948 }
2949 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2950 &num_sids);
2951 if (!NT_STATUS_IS_OK(ret)) {
2952 goto done;
2953 }
2954 }
2955 }
2956
2957 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2958 DEBUG(3, ("primary group of [%s] not found\n",
2959 pdb_get_username(user)));
2960 goto done;
2961 }
2962
2963 *p_num_groups = num_sids;
2964
2965 ret = NT_STATUS_OK;
2966
2967 done:
2968
2969 TALLOC_FREE(escape_name);
2970 return ret;
2971 }
2972
2973 /**********************************************************************
2974 * Augment a posixGroup object with a sambaGroupMapping domgroup
2975 *********************************************************************/
2976
2977 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2978 struct ldapsam_privates *ldap_state,
2979 GROUP_MAP *map)
2980 {
2981 const char *filter, *dn;
2982 LDAPMessage *msg, *entry;
2983 LDAPMod **mods;
2984 int rc;
2985
2986 filter = talloc_asprintf(mem_ctx,
2987 "(&(objectClass=%s)(gidNumber=%u))",
2988 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2989 if (filter == NULL) {
2990 return NT_STATUS_NO_MEMORY;
2991 }
2992
2993 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2994 get_attr_list(mem_ctx, groupmap_attr_list),
2995 &msg);
2996 talloc_autofree_ldapmsg(mem_ctx, msg);
2997
2998 if ((rc != LDAP_SUCCESS) ||
2999 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3000 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3001 return NT_STATUS_NO_SUCH_GROUP;
3002 }
3003
3004 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3005 if (dn == NULL) {
3006 return NT_STATUS_NO_MEMORY;
3007 }
3008
3009 mods = NULL;
3010 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3011 LDAP_OBJ_GROUPMAP);
3012 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3013 sid_string_talloc(mem_ctx, &map->sid));
3014 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3015 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3016 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3017 map->nt_name);
3018 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3019 map->comment);
3020 talloc_autofree_ldapmod(mem_ctx, mods);
3021
3022 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3023 if (rc != LDAP_SUCCESS) {
3024 return NT_STATUS_ACCESS_DENIED;
3025 }
3026
3027 return NT_STATUS_OK;
3028 }
3029
3030 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3031 GROUP_MAP *map)
3032 {
3033 struct ldapsam_privates *ldap_state =
3034 (struct ldapsam_privates *)methods->private_data;
3035 LDAPMessage *msg = NULL;
3036 LDAPMod **mods = NULL;
3037 const char *attrs[] = { NULL };
3038 char *filter;
3039
3040 char *dn;
3041 TALLOC_CTX *mem_ctx;
3042 NTSTATUS result;
3043
3044 DOM_SID sid;
3045
3046 int rc;
3047
3048 mem_ctx = talloc_new(NULL);
3049 if (mem_ctx == NULL) {
3050 DEBUG(0, ("talloc_new failed\n"));
3051 return NT_STATUS_NO_MEMORY;
3052 }
3053
3054 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3055 sid_string_talloc(mem_ctx, &map->sid));
3056 if (filter == NULL) {
3057 result = NT_STATUS_NO_MEMORY;
3058 goto done;
3059 }
3060
3061 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3062 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3063 talloc_autofree_ldapmsg(mem_ctx, msg);
3064
3065 if ((rc == LDAP_SUCCESS) &&
3066 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3067
3068 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3069 "group mapping entry\n", sid_string_dbg(&map->sid)));
3070 result = NT_STATUS_GROUP_EXISTS;
3071 goto done;
3072 }
3073
3074 switch (map->sid_name_use) {
3075
3076 case SID_NAME_DOM_GRP:
3077 /* To map a domain group we need to have a posix group
3078 to attach to. */
3079 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3080 goto done;
3081 break;
3082
3083 case SID_NAME_ALIAS:
3084 if (!sid_check_is_in_our_domain(&map->sid)
3085 && !sid_check_is_in_builtin(&map->sid) )
3086 {
3087 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3088 sid_string_dbg(&map->sid)));
3089 result = NT_STATUS_INVALID_PARAMETER;
3090 goto done;
3091 }
3092 break;
3093
3094 default:
3095 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3096 sid_type_lookup(map->sid_name_use)));
3097 result = NT_STATUS_INVALID_PARAMETER;
3098 goto done;
3099 }
3100
3101 /* Domain groups have been mapped in a separate routine, we have to
3102 * create an alias now */
3103
3104 if (map->gid == -1) {
3105 DEBUG(10, ("Refusing to map gid==-1\n"));
3106 result = NT_STATUS_INVALID_PARAMETER;
3107 goto done;
3108 }
3109
3110 if (pdb_gid_to_sid(map->gid, &sid)) {
3111 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3112 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3113 result = NT_STATUS_GROUP_EXISTS;
3114 goto done;
3115 }
3116
3117 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3118 * the best we can get out of LDAP. */
3119
3120 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3121 sid_string_talloc(mem_ctx, &map->sid),
3122 lp_ldap_group_suffix());
3123 if (dn == NULL) {
3124 result = NT_STATUS_NO_MEMORY;
3125 goto done;
3126 }
3127
3128 mods = NULL;
3129
3130 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3131 LDAP_OBJ_SID_ENTRY);
3132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3133 LDAP_OBJ_GROUPMAP);
3134 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3135 sid_string_talloc(mem_ctx, &map->sid));
3136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3137 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3138 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3139 map->nt_name);
3140 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3141 map->comment);
3142 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3143 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3144 talloc_autofree_ldapmod(mem_ctx, mods);
3145
3146 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3147
3148 result = (rc == LDAP_SUCCESS) ?
3149 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3150
3151 done:
3152 TALLOC_FREE(mem_ctx);
3153 return result;
3154 }
3155
3156 /**********************************************************************
3157 * Update a group mapping entry. We're quite strict about what can be changed:
3158 * Only the description and displayname may be changed. It simply does not
3159 * make any sense to change the SID, gid or the type in a mapping.
3160 *********************************************************************/
3161
3162 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3163 GROUP_MAP *map)
3164 {
3165 struct ldapsam_privates *ldap_state =
3166 (struct ldapsam_privates *)methods->private_data;
3167 int rc;
3168 const char *filter, *dn;
3169 LDAPMessage *msg = NULL;
3170 LDAPMessage *entry = NULL;
3171 LDAPMod **mods = NULL;
3172 TALLOC_CTX *mem_ctx;
3173 NTSTATUS result;
3174
3175 mem_ctx = talloc_new(NULL);
3176 if (mem_ctx == NULL) {
3177 DEBUG(0, ("talloc_new failed\n"));
3178 return NT_STATUS_NO_MEMORY;
3179 }
3180
3181 /* Make 100% sure that sid, gid and type are not changed by looking up
3182 * exactly the values we're given in LDAP. */
3183
3184 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3185 "(sambaSid=%s)(gidNumber=%u)"
3186 "(sambaGroupType=%d))",
3187 LDAP_OBJ_GROUPMAP,
3188 sid_string_talloc(mem_ctx, &map->sid),
3189 (unsigned int)map->gid, map->sid_name_use);
3190 if (filter == NULL) {
3191 result = NT_STATUS_NO_MEMORY;
3192 goto done;
3193 }
3194
3195 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3196 get_attr_list(mem_ctx, groupmap_attr_list),
3197 &msg);
3198 talloc_autofree_ldapmsg(mem_ctx, msg);
3199
3200 if ((rc != LDAP_SUCCESS) ||
3201 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3202 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3203 result = NT_STATUS_NO_SUCH_GROUP;
3204 goto done;
3205 }
3206
3207 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3208
3209 if (dn == NULL) {
3210 result = NT_STATUS_NO_MEMORY;
3211 goto done;
3212 }
3213
3214 mods = NULL;
3215 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3216 map->nt_name);
3217 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3218 map->comment);
3219 talloc_autofree_ldapmod(mem_ctx, mods);
3220
3221 if (mods == NULL) {
3222 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3223 "nothing to do\n"));
3224 result = NT_STATUS_OK;
3225 goto done;
3226 }
3227
3228 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3229
3230 if (rc != LDAP_SUCCESS) {
3231 result = NT_STATUS_ACCESS_DENIED;
3232 goto done;
3233 }
3234
3235 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3236 "group %lu in LDAP\n", (unsigned long)map->gid));
3237
3238 result = NT_STATUS_OK;
3239
3240 done:
3241 TALLOC_FREE(mem_ctx);
3242 return result;
3243 }
3244
3245 /**********************************************************************
3246 *********************************************************************/
3247
3248 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3249 DOM_SID sid)
3250 {
3251 struct ldapsam_privates *priv =
3252 (struct ldapsam_privates *)methods->private_data;
3253 LDAPMessage *msg, *entry;
3254 int rc;
3255 NTSTATUS result;
3256 TALLOC_CTX *mem_ctx;
3257 char *filter;
3258
3259 mem_ctx = talloc_new(NULL);
3260 if (mem_ctx == NULL) {
3261 DEBUG(0, ("talloc_new failed\n"));
3262 return NT_STATUS_NO_MEMORY;
3263 }
3264
3265 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3266 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3267 sid_string_talloc(mem_ctx, &sid));
3268 if (filter == NULL) {
3269 result = NT_STATUS_NO_MEMORY;
3270 goto done;
3271 }
3272 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3273 get_attr_list(mem_ctx, groupmap_attr_list),
3274 &msg);
3275 talloc_autofree_ldapmsg(mem_ctx, msg);
3276
3277 if ((rc != LDAP_SUCCESS) ||
3278 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3279 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3280 result = NT_STATUS_NO_SUCH_GROUP;
3281 goto done;
3282 }
3283
3284 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3285 get_attr_list(mem_ctx,
3286 groupmap_attr_list_to_delete));
3287
3288 if ((rc == LDAP_NAMING_VIOLATION) ||
3289 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3290 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3291 const char *attrs[] = { "sambaGroupType", "description",
3292 "displayName", "sambaSIDList",
3293 NULL };
3294
3295 /* Second try. Don't delete the sambaSID attribute, this is
3296 for "old" entries that are tacked on a winbind
3297 sambaIdmapEntry. */
3298
3299 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3300 LDAP_OBJ_GROUPMAP, attrs);
3301 }
3302
3303 if ((rc == LDAP_NAMING_VIOLATION) ||
3304 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3305 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3306 const char *attrs[] = { "sambaGroupType", "description",
3307 "displayName", "sambaSIDList",
3308 "gidNumber", NULL };
3309
3310 /* Third try. This is a post-3.0.21 alias (containing only
3311 * sambaSidEntry and sambaGroupMapping classes), we also have
3312 * to delete the gidNumber attribute, only the sambaSidEntry
3313 * remains */
3314
3315 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3316 LDAP_OBJ_GROUPMAP, attrs);
3317 }
3318
3319 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3320
3321 done:
3322 TALLOC_FREE(mem_ctx);
3323 return result;
3324 }
3325
3326 /**********************************************************************
3327 *********************************************************************/
3328
3329 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3330 bool update)
3331 {
3332 struct ldapsam_privates *ldap_state =
3333 (struct ldapsam_privates *)my_methods->private_data;
3334 char *filter = NULL;
3335 int rc;
3336 const char **attr_list;
3337
3338 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3339 if (!filter) {
3340 return NT_STATUS_NO_MEMORY;
3341 }
3342 attr_list = get_attr_list( NULL, groupmap_attr_list );
3343 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3344 LDAP_SCOPE_SUBTREE, filter,
3345 attr_list, 0, &ldap_state->result);
3346 TALLOC_FREE(attr_list);
3347
3348 if (rc != LDAP_SUCCESS) {
3349 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3350 ldap_err2string(rc)));
3351 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3352 lp_ldap_suffix(), filter));
3353 ldap_msgfree(ldap_state->result);
3354 ldap_state->result = NULL;
3355 TALLOC_FREE(filter);
3356 return NT_STATUS_UNSUCCESSFUL;
3357 }
3358
3359 TALLOC_FREE(filter);
3360
3361 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3362 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3363 ldap_state->result)));
3364
3365 ldap_state->entry =
3366 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3367 ldap_state->result);
3368 ldap_state->index = 0;
3369
3370 return NT_STATUS_OK;
3371 }
3372
3373 /**********************************************************************
3374 *********************************************************************/
3375
3376 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3377 {
3378 ldapsam_endsampwent(my_methods);
3379 }
3380
3381 /**********************************************************************
3382 *********************************************************************/
3383
3384 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3385 GROUP_MAP *map)
3386 {
3387 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3388 struct ldapsam_privates *ldap_state =
3389 (struct ldapsam_privates *)my_methods->private_data;
3390 bool bret = False;
3391
3392 while (!bret) {
3393 if (!ldap_state->entry)
3394 return ret;
3395
3396 ldap_state->index++;
3397 bret = init_group_from_ldap(ldap_state, map,
3398 ldap_state->entry);
3399
3400 ldap_state->entry =
3401 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3402 ldap_state->entry);
3403 }
3404
3405 return NT_STATUS_OK;
3406 }
3407
3408 /**********************************************************************
3409 *********************************************************************/
3410
3411 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3412 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3413 GROUP_MAP **pp_rmap,
3414 size_t *p_num_entries,
3415 bool unix_only)
3416 {
3417 GROUP_MAP map;
3418 size_t entries = 0;
3419
3420 *p_num_entries = 0;
3421 *pp_rmap = NULL;
3422
3423 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3424 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3425 "passdb\n"));
3426 return NT_STATUS_ACCESS_DENIED;
3427 }
3428
3429 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3430 if (sid_name_use != SID_NAME_UNKNOWN &&
3431 sid_name_use != map.sid_name_use) {
3432 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3433 "not of the requested type\n", map.nt_name));
3434 continue;
3435 }
3436 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3437 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3438 "non mapped\n", map.nt_name));
3439 continue;
3440 }
3441
3442 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3443 if (!(*pp_rmap)) {
3444 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3445 "enlarge group map!\n"));
3446 return NT_STATUS_UNSUCCESSFUL;
3447 }
3448
3449 (*pp_rmap)[entries] = map;
3450
3451 entries += 1;
3452
3453 }
3454 ldapsam_endsamgrent(methods);
3455
3456 *p_num_entries = entries;
3457
3458 return NT_STATUS_OK;
3459 }
3460
3461 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3462 const DOM_SID *alias,
3463 const DOM_SID *member,
3464 int modop)
3465 {
3466 struct ldapsam_privates *ldap_state =
3467 (struct ldapsam_privates *)methods->private_data;
3468 char *dn = NULL;
3469 LDAPMessage *result = NULL;
3470 LDAPMessage *entry = NULL;
3471 int count;
3472 LDAPMod **mods = NULL;
3473 int rc;
3474 enum lsa_SidType type = SID_NAME_USE_NONE;
3475 fstring tmp;
3476
3477 char *filter = NULL;
3478
3479 if (sid_check_is_in_builtin(alias)) {
3480 type = SID_NAME_ALIAS;
3481 }
3482
3483 if (sid_check_is_in_our_domain(alias)) {
3484 type = SID_NAME_ALIAS;
3485 }
3486
3487 if (type == SID_NAME_USE_NONE) {
3488 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3489 sid_string_dbg(alias)));
3490 return NT_STATUS_NO_SUCH_ALIAS;
3491 }
3492
3493 if (asprintf(&filter,
3494 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3495 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3496 type) < 0) {
3497 return NT_STATUS_NO_MEMORY;
3498 }
3499
3500 if (ldapsam_search_one_group(ldap_state, filter,
3501 &result) != LDAP_SUCCESS) {
3502 SAFE_FREE(filter);
3503 return NT_STATUS_NO_SUCH_ALIAS;
3504 }
3505
3506 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3507 result);
3508
3509 if (count < 1) {
3510 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3511 ldap_msgfree(result);
3512 SAFE_FREE(filter);
3513 return NT_STATUS_NO_SUCH_ALIAS;
3514 }
3515
3516 if (count > 1) {
3517 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3518 "filter %s: count=%d\n", filter, count));
3519 ldap_msgfree(result);
3520 SAFE_FREE(filter);
3521 return NT_STATUS_NO_SUCH_ALIAS;
3522 }
3523
3524 SAFE_FREE(filter);
3525
3526 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3527 result);
3528
3529 if (!entry) {
3530 ldap_msgfree(result);
3531 return NT_STATUS_UNSUCCESSFUL;
3532 }
3533
3534 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3535 if (!dn) {
3536 ldap_msgfree(result);
3537 return NT_STATUS_UNSUCCESSFUL;
3538 }
3539
3540 smbldap_set_mod(&mods, modop,
3541 get_attr_key2string(groupmap_attr_list,
3542 LDAP_ATTR_SID_LIST),
3543 sid_to_fstring(tmp, member));
3544
3545 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3546
3547 ldap_mods_free(mods, True);
3548 ldap_msgfree(result);
3549 TALLOC_FREE(dn);
3550
3551 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3552 return NT_STATUS_MEMBER_IN_ALIAS;
3553 }
3554
3555 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3556 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3557 }
3558
3559 if (rc != LDAP_SUCCESS) {
3560 return NT_STATUS_UNSUCCESSFUL;
3561 }
3562
3563 return NT_STATUS_OK;
3564 }
3565
3566 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3567 const DOM_SID *alias,
3568 const DOM_SID *member)
3569 {
3570 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3571 }
3572
3573 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3574 const DOM_SID *alias,
3575 const DOM_SID *member)
3576 {
3577 return ldapsam_modify_aliasmem(methods, alias, member,
3578 LDAP_MOD_DELETE);
3579 }
3580
3581 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3582 const DOM_SID *alias,
3583 TALLOC_CTX *mem_ctx,
3584 DOM_SID **pp_members,
3585 size_t *p_num_members)
3586 {
3587 struct ldapsam_privates *ldap_state =
3588 (struct ldapsam_privates *)methods->private_data;
3589 LDAPMessage *result = NULL;
3590 LDAPMessage *entry = NULL;
3591 int count;
3592 char **values = NULL;
3593 int i;
3594 char *filter = NULL;
3595 size_t num_members = 0;
3596 enum lsa_SidType type = SID_NAME_USE_NONE;
3597 fstring tmp;
3598
3599 *pp_members = NULL;
3600 *p_num_members = 0;
3601
3602 if (sid_check_is_in_builtin(alias)) {
3603 type = SID_NAME_ALIAS;
3604 }
3605
3606 if (sid_check_is_in_our_domain(alias)) {
3607 type = SID_NAME_ALIAS;
3608 }
3609
3610 if (type == SID_NAME_USE_NONE) {
3611 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3612 sid_string_dbg(alias)));
3613 return NT_STATUS_NO_SUCH_ALIAS;
3614 }
3615
3616 if (asprintf(&filter,
3617 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3618 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3619 type) < 0) {
3620 return NT_STATUS_NO_MEMORY;
3621 }
3622
3623 if (ldapsam_search_one_group(ldap_state, filter,
3624 &result) != LDAP_SUCCESS) {
3625 SAFE_FREE(filter);
3626 return NT_STATUS_NO_SUCH_ALIAS;
3627 }
3628
3629 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3630 result);
3631
3632 if (count < 1) {
3633 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3634 ldap_msgfree(result);
3635 SAFE_FREE(filter);
3636 return NT_STATUS_NO_SUCH_ALIAS;
3637 }
3638
3639 if (count > 1) {
3640 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3641 "filter %s: count=%d\n", filter, count));
3642 ldap_msgfree(result);
3643 SAFE_FREE(filter);
3644 return NT_STATUS_NO_SUCH_ALIAS;
3645 }
3646
3647 SAFE_FREE(filter);
3648
3649 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3650 result);
3651
3652 if (!entry) {
3653 ldap_msgfree(result);
3654 return NT_STATUS_UNSUCCESSFUL;
3655 }
3656
3657 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3658 entry,
3659 get_attr_key2string(groupmap_attr_list,
3660 LDAP_ATTR_SID_LIST));
3661
3662 if (values == NULL) {
3663 ldap_msgfree(result);
3664 return NT_STATUS_OK;
3665 }
3666
3667 count = ldap_count_values(values);
3668
3669 for (i=0; i<count; i++) {
3670 DOM_SID member;
3671 NTSTATUS status;
3672
3673 if (!string_to_sid(&member, values[i]))
3674 continue;
3675
3676 status = add_sid_to_array(mem_ctx, &member, pp_members,
3677 &num_members);
3678 if (!NT_STATUS_IS_OK(status)) {
3679 ldap_value_free(values);
3680 ldap_msgfree(result);
3681 return status;
3682 }
3683 }
3684
3685 *p_num_members = num_members;
3686 ldap_value_free(values);
3687 ldap_msgfree(result);
3688
3689 return NT_STATUS_OK;
3690 }
3691
3692 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3693 TALLOC_CTX *mem_ctx,
3694 const DOM_SID *domain_sid,
3695 const DOM_SID *members,
3696 size_t num_members,
3697 uint32 **pp_alias_rids,
3698 size_t *p_num_alias_rids)
3699 {
3700 struct ldapsam_privates *ldap_state =
3701 (struct ldapsam_privates *)methods->private_data;
3702 LDAP *ldap_struct;
3703
3704 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3705
3706 LDAPMessage *result = NULL;
3707 LDAPMessage *entry = NULL;
3708 int i;
3709 int rc;
3710 char *filter;
3711 enum lsa_SidType type = SID_NAME_USE_NONE;
3712
3713 if (sid_check_is_builtin(domain_sid)) {
3714 type = SID_NAME_ALIAS;
3715 }
3716
3717 if (sid_check_is_domain(domain_sid)) {
3718 type = SID_NAME_ALIAS;
3719 }
3720
3721 if (type == SID_NAME_USE_NONE) {
3722 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3723 sid_string_dbg(domain_sid)));
3724 return NT_STATUS_UNSUCCESSFUL;
3725 }
3726
3727 filter = talloc_asprintf(mem_ctx,
3728 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3729 LDAP_OBJ_GROUPMAP, type);
3730
3731 for (i=0; i<num_members; i++)
3732 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3733 filter,
3734 sid_string_talloc(mem_ctx,
3735 &members[i]));
3736
3737 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3738
3739 if (filter == NULL) {
3740 return NT_STATUS_NO_MEMORY;
3741 }
3742
3743 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3744 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3745
3746 if (rc != LDAP_SUCCESS)
3747 return NT_STATUS_UNSUCCESSFUL;
3748
3749 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3750
3751 for (entry = ldap_first_entry(ldap_struct, result);
3752 entry != NULL;
3753 entry = ldap_next_entry(ldap_struct, entry))
3754 {
3755 fstring sid_str;
3756 DOM_SID sid;
3757 uint32 rid;
3758
3759 if (!smbldap_get_single_attribute(ldap_struct, entry,
3760 LDAP_ATTRIBUTE_SID,
3761 sid_str,
3762 sizeof(sid_str)-1))
3763 continue;
3764
3765 if (!string_to_sid(&sid, sid_str))
3766 continue;
3767
3768 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3769 continue;
3770
3771 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3772 p_num_alias_rids)) {
3773 ldap_msgfree(result);
3774 return NT_STATUS_NO_MEMORY;
3775 }
3776 }
3777
3778 ldap_msgfree(result);
3779 return NT_STATUS_OK;
3780 }
3781
3782 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3783 enum pdb_policy_type type,
3784 uint32 value)
3785 {
3786 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3787 int rc;
3788 LDAPMod **mods = NULL;
3789 fstring value_string;
3790 const char *policy_attr = NULL;
3791
3792 struct ldapsam_privates *ldap_state =
3793 (struct ldapsam_privates *)methods->private_data;
3794
3795 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3796
3797 if (!ldap_state->domain_dn) {
3798 return NT_STATUS_INVALID_PARAMETER;
3799 }
3800
3801 policy_attr = get_account_policy_attr(type);
3802 if (policy_attr == NULL) {
3803 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3804 "policy\n"));
3805 return ntstatus;
3806 }
3807
3808 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3809
3810 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3811
3812 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3813 mods);
3814
3815 ldap_mods_free(mods, True);
3816
3817 if (rc != LDAP_SUCCESS) {
3818 return ntstatus;
3819 }
3820
3821 if (!cache_account_policy_set(type, value)) {
3822 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3823 "update local tdb cache\n"));
3824 return ntstatus;
3825 }
3826
3827 return NT_STATUS_OK;
3828 }
3829
3830 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3831 enum pdb_policy_type type,
3832 uint32_t value)
3833 {
3834 return ldapsam_set_account_policy_in_ldap(methods, type,
3835 value);
3836 }
3837
3838 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3839 enum pdb_policy_type type,
3840 uint32 *value)
3841 {
3842 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3843 LDAPMessage *result = NULL;
3844 LDAPMessage *entry = NULL;
3845 int count;
3846 int rc;
3847 char **vals = NULL;
3848 const char *policy_attr = NULL;
3849
3850 struct ldapsam_privates *ldap_state =
3851 (struct ldapsam_privates *)methods->private_data;
3852
3853 const char *attrs[2];
3854
3855 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3856
3857 if (!ldap_state->domain_dn) {
3858 return NT_STATUS_INVALID_PARAMETER;
3859 }
3860
3861 policy_attr = get_account_policy_attr(type);
3862 if (!policy_attr) {
3863 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3864 "policy index: %d\n", type));
3865 return ntstatus;
3866 }
3867
3868 attrs[0] = policy_attr;
3869 attrs[1] = NULL;
3870
3871 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3872 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3873 &result);
3874
3875 if (rc != LDAP_SUCCESS) {
3876 return ntstatus;
3877 }
3878
3879 count = ldap_count_entries(priv2ld(ldap_state), result);
3880 if (count < 1) {
3881 goto out;
3882 }
3883
3884 entry = ldap_first_entry(priv2ld(ldap_state), result);
3885 if (entry == NULL) {
3886 goto out;
3887 }
3888
3889 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3890 if (vals == NULL) {
3891 goto out;
3892 }
3893
3894 *value = (uint32)atol(vals[0]);
3895
3896 ntstatus = NT_STATUS_OK;
3897
3898 out:
3899 if (vals)
3900 ldap_value_free(vals);
3901 ldap_msgfree(result);
3902
3903 return ntstatus;
3904 }
3905
3906 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3907
3908 - if user hasn't decided to use account policies inside LDAP just reuse the
3909 old tdb values
3910
3911 - if there is a valid cache entry, return that
3912 - if there is an LDAP entry, update cache and return
3913 - otherwise set to default, update cache and return
3914
3915 Guenther
3916 */
3917 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3918 enum pdb_policy_type type,
3919 uint32_t *value)
3920 {
3921 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3922
3923 if (cache_account_policy_get(type, value)) {
3924 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3925 "cache\n"));
3926 return NT_STATUS_OK;
3927 }
3928
3929 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3930 value);
3931 if (NT_STATUS_IS_OK(ntstatus)) {
3932 goto update_cache;
3933 }
3934
3935 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3936 "ldap\n"));
3937
3938 #if 0
3939 /* should we automagically migrate old tdb value here ? */
3940 if (account_policy_get(type, value))
3941 goto update_ldap;
3942
3943 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3944 "default\n", type));
3945 #endif
3946
3947 if (!account_policy_get_default(type, value)) {
3948 return ntstatus;
3949 }
3950
3951 /* update_ldap: */
3952
3953 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3954 if (!NT_STATUS_IS_OK(ntstatus)) {
3955 return ntstatus;
3956 }
3957
3958 update_cache:
3959
3960 if (!cache_account_policy_set(type, *value)) {
3961 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3962 "tdb as a cache\n"));
3963 return NT_STATUS_UNSUCCESSFUL;
3964 }
3965
3966 return NT_STATUS_OK;
3967 }
3968
3969 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3970 const DOM_SID *domain_sid,
3971 int num_rids,
3972 uint32 *rids,
3973 const char **names,
3974 enum lsa_SidType *attrs)
3975 {
3976 struct ldapsam_privates *ldap_state =
3977 (struct ldapsam_privates *)methods->private_data;
3978 LDAPMessage *msg = NULL;
3979 LDAPMessage *entry;
3980 char *allsids = NULL;
3981 int i, rc, num_mapped;
3982 NTSTATUS result = NT_STATUS_NO_MEMORY;
3983 TALLOC_CTX *mem_ctx;
3984 LDAP *ld;
3985 bool is_builtin;
3986
3987 mem_ctx = talloc_new(NULL);
3988 if (mem_ctx == NULL) {
3989 DEBUG(0, ("talloc_new failed\n"));
3990 goto done;
3991 }
3992
3993 if (!sid_check_is_builtin(domain_sid) &&
3994 !sid_check_is_domain(domain_sid)) {
3995 result = NT_STATUS_INVALID_PARAMETER;
3996 goto done;
3997 }
3998
3999 if (num_rids == 0) {
4000 result = NT_STATUS_NONE_MAPPED;
4001 goto done;
4002 }
4003
4004 for (i=0; i<num_rids; i++)
4005 attrs[i] = SID_NAME_UNKNOWN;
4006
4007 allsids = talloc_strdup(mem_ctx, "");
4008 if (allsids == NULL) {
4009 goto done;
4010 }
4011
4012 for (i=0; i<num_rids; i++) {
4013 DOM_SID sid;
4014 sid_compose(&sid, domain_sid, rids[i]);
4015 allsids = talloc_asprintf_append_buffer(
4016 allsids, "(sambaSid=%s)",
4017 sid_string_talloc(mem_ctx, &sid));
4018 if (allsids == NULL) {
4019 goto done;
4020 }
4021 }
4022
4023 /* First look for users */
4024
4025 {
4026 char *filter;
4027 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4028
4029 filter = talloc_asprintf(
4030 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4031 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4032
4033 if (filter == NULL) {
4034 goto done;
4035 }
4036
4037 rc = smbldap_search(ldap_state->smbldap_state,
4038 lp_ldap_user_suffix(),
4039 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4040 &msg);
4041 talloc_autofree_ldapmsg(mem_ctx, msg);
4042 }
4043
4044 if (rc != LDAP_SUCCESS)
4045 goto done;
4046
4047 ld = ldap_state->smbldap_state->ldap_struct;
4048 num_mapped = 0;
4049
4050 for (entry = ldap_first_entry(ld, msg);
4051 entry != NULL;
4052 entry = ldap_next_entry(ld, entry)) {
4053 uint32 rid;
4054 int rid_index;
4055 const char *name;
4056
4057 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4058 &rid)) {
4059 DEBUG(2, ("Could not find sid from ldap entry\n"));
4060 continue;
4061 }
4062
4063 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4064 names);
4065 if (name == NULL) {
4066 DEBUG(2, ("Could not retrieve uid attribute\n"));
4067 continue;
4068 }
4069
4070 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4071 if (rid == rids[rid_index])
4072 break;
4073 }
4074
4075 if (rid_index == num_rids) {
4076 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4077 continue;
4078 }
4079
4080 attrs[rid_index] = SID_NAME_USER;
4081 names[rid_index] = name;
4082 num_mapped += 1;
4083 }
4084
4085 if (num_mapped == num_rids) {
4086 /* No need to look for groups anymore -- we're done */
4087 result = NT_STATUS_OK;
4088 goto done;
4089 }
4090
4091 /* Same game for groups */
4092
4093 {
4094 char *filter;
4095 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4096 "sambaGroupType", NULL };
4097
4098 filter = talloc_asprintf(
4099 mem_ctx, "(&(objectClass=%s)(|%s))",
4100 LDAP_OBJ_GROUPMAP, allsids);
4101 if (filter == NULL) {
4102 goto done;
4103 }
4104
4105 rc = smbldap_search(ldap_state->smbldap_state,
4106 lp_ldap_suffix(),
4107 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4108 &msg);
4109 talloc_autofree_ldapmsg(mem_ctx, msg);
4110 }
4111
4112 if (rc != LDAP_SUCCESS)
4113 goto done;
4114
4115 /* ldap_struct might have changed due to a reconnect */
4116
4117 ld = ldap_state->smbldap_state->ldap_struct;
4118
4119 /* For consistency checks, we already checked we're only domain or builtin */
4120
4121 is_builtin = sid_check_is_builtin(domain_sid);
4122
4123 for (entry = ldap_first_entry(ld, msg);
4124 entry != NULL;
4125 entry = ldap_next_entry(ld, entry))
4126 {
4127 uint32 rid;
4128 int rid_index;
4129 const char *attr;
4130 enum lsa_SidType type;
4131 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4132
4133 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4134 mem_ctx);
4135 if (attr == NULL) {
4136 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4137 dn));
4138 continue;
4139 }
4140
4141 type = (enum lsa_SidType)atol(attr);
4142
4143 /* Consistency checks */
4144 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4145 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4146 (type != SID_NAME_DOM_GRP)))) {
4147 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4148 }
4149
4150 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4151 &rid)) {
4152 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4153 continue;
4154 }
4155
4156 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4157
4158 if (attr == NULL) {
4159 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4160 dn));
4161 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4162 }
4163
4164 if (attr == NULL) {
4165 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4166 dn));
4167 continue;
4168 }
4169
4170 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4171 if (rid == rids[rid_index])
4172 break;
4173 }
4174
4175 if (rid_index == num_rids) {
4176 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4177 continue;
4178 }
4179
4180 attrs[rid_index] = type;
4181 names[rid_index] = attr;
4182 num_mapped += 1;
4183 }
4184
4185 result = NT_STATUS_NONE_MAPPED;
4186
4187 if (num_mapped > 0)
4188 result = (num_mapped == num_rids) ?
4189 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4190 done:
4191 TALLOC_FREE(mem_ctx);
4192 return result;
4193 }
4194
4195 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4196 {
4197 char *filter = NULL;
4198 char *escaped = NULL;
4199 char *result = NULL;
4200
4201 if (asprintf(&filter, "(&%s(objectclass=%s))",
4202 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4203 goto done;
4204 }
4205
4206 escaped = escape_ldap_string(talloc_tos(), username);
4207 if (escaped == NULL) goto done;
4208
4209 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4210
4211 done:
4212 SAFE_FREE(filter);
4213 TALLOC_FREE(escaped);
4214
4215 return result;
4216 }
4217
4218 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4219 {
4220 int i, num = 0;
4221 va_list ap;
4222 const char **result;
4223
4224 va_start(ap, mem_ctx);
4225 while (va_arg(ap, const char *) != NULL)
4226 num += 1;
4227 va_end(ap);
4228
4229 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4230 return NULL;
4231 }
4232
4233 va_start(ap, mem_ctx);
4234 for (i=0; i<num; i++) {
4235 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4236 if (result[i] == NULL) {
4237 talloc_free(result);
4238 va_end(ap);
4239 return NULL;
4240 }
4241 }
4242 va_end(ap);
4243
4244 result[num] = NULL;
4245 return result;
4246 }
4247
4248 struct ldap_search_state {
4249 struct smbldap_state *connection;
4250
4251 uint32 acct_flags;
4252 uint16 group_type;
4253
4254 const char *base;
4255 int scope;
4256 const char *filter;
4257 const char **attrs;
4258 int attrsonly;
4259 void *pagedresults_cookie;
4260
4261 LDAPMessage *entries, *current_entry;
4262 bool (*ldap2displayentry)(struct ldap_search_state *state,
4263 TALLOC_CTX *mem_ctx,
4264 LDAP *ld, LDAPMessage *entry,
4265 struct samr_displayentry *result);
4266 };
4267
4268 static bool ldapsam_search_firstpage(struct pdb_search *search)
4269 {
4270 struct ldap_search_state *state =
4271 (struct ldap_search_state *)search->private_data;
4272 LDAP *ld;
4273 int rc = LDAP_OPERATIONS_ERROR;
4274
4275 state->entries = NULL;
4276
4277 if (state->connection->paged_results) {
4278 rc = smbldap_search_paged(state->connection, state->base,
4279 state->scope, state->filter,
4280 state->attrs, state->attrsonly,
4281 lp_ldap_page_size(), &state->entries,
4282 &state->pagedresults_cookie);
4283 }
4284
4285 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4286
4287 if (state->entries != NULL) {
4288 /* Left over from unsuccessful paged attempt */
4289 ldap_msgfree(state->entries);
4290 state->entries = NULL;
4291 }
4292
4293 rc = smbldap_search(state->connection, state->base,
4294 state->scope, state->filter, state->attrs,
4295 state->attrsonly, &state->entries);
4296
4297 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4298 return False;
4299
4300 /* Ok, the server was lying. It told us it could do paged
4301 * searches when it could not. */
4302 state->connection->paged_results = False;
4303 }
4304
4305 ld = state->connection->ldap_struct;
4306 if ( ld == NULL) {
4307 DEBUG(5, ("Don't have an LDAP connection right after a "
4308 "search\n"));
4309 return False;
4310 }
4311 state->current_entry = ldap_first_entry(ld, state->entries);
4312
4313 if (state->current_entry == NULL) {
4314 ldap_msgfree(state->entries);
4315 state->entries = NULL;
4316 }
4317
4318 return True;
4319 }
4320
4321 static bool ldapsam_search_nextpage(struct pdb_search *search)
4322 {
4323 struct ldap_search_state *state =
4324 (struct ldap_search_state *)search->private_data;
4325 int rc;
4326
4327 if (!state->connection->paged_results) {
4328 /* There is no next page when there are no paged results */
4329 return False;
4330 }
4331
4332 rc = smbldap_search_paged(state->connection, state->base,
4333 state->scope, state->filter, state->attrs,
4334 state->attrsonly, lp_ldap_page_size(),
4335 &state->entries,
4336 &state->pagedresults_cookie);
4337
4338 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4339 return False;
4340
4341 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4342
4343 if (state->current_entry == NULL) {
4344 ldap_msgfree(state->entries);
4345 state->entries = NULL;
4346 }
4347
4348 return True;
4349 }
4350
4351 static bool ldapsam_search_next_entry(struct pdb_search *search,
4352 struct samr_displayentry *entry)
4353 {
4354 struct ldap_search_state *state =
4355 (struct ldap_search_state *)search->private_data;
4356 bool result;
4357
4358 retry:
4359 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4360 return False;
4361
4362 if ((state->entries == NULL) &&
4363 !ldapsam_search_nextpage(search))
4364 return False;
4365
4366 result = state->ldap2displayentry(state, search,
4367 state->connection->ldap_struct,
4368 state->current_entry, entry);
4369
4370 if (!result) {
4371 char *dn;
4372 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4373 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4374 if (dn != NULL) ldap_memfree(dn);
4375 }
4376
4377 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4378
4379 if (state->current_entry == NULL) {
4380 ldap_msgfree(state->entries);
4381 state->entries = NULL;
4382 }
4383
4384 if (!result) goto retry;
4385
4386 return True;
4387 }
4388
4389 static void ldapsam_search_end(struct pdb_search *search)
4390 {
4391 struct ldap_search_state *state =
4392 (struct ldap_search_state *)search->private_data;
4393 int rc;
4394
4395 if (state->pagedresults_cookie == NULL)
4396 return;
4397
4398 if (state->entries != NULL)
4399 ldap_msgfree(state->entries);
4400
4401 state->entries = NULL;
4402 state->current_entry = NULL;
4403
4404 if (!state->connection->paged_results)
4405 return;
4406
4407 /* Tell the LDAP server we're not interested in the rest anymore. */
4408
4409 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4410 state->filter, state->attrs,
4411 state->attrsonly, 0, &state->entries,
4412 &state->pagedresults_cookie);
4413
4414 if (rc != LDAP_SUCCESS)
4415 DEBUG(5, ("Could not end search properly\n"));
4416
4417 return;
4418 }
4419
4420 static bool ldapuser2displayentry(struct ldap_search_state *state,
4421 TALLOC_CTX *mem_ctx,
4422 LDAP *ld, LDAPMessage *entry,
4423 struct samr_displayentry *result)
4424 {
4425 char **vals;
4426 size_t converted_size;
4427 DOM_SID sid;
4428 uint32 acct_flags;
4429
4430 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4431 if ((vals == NULL) || (vals[0] == NULL)) {
4432 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4433 return False;
4434 }
4435 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4436 ldap_value_free(vals);
4437
4438 if ((state->acct_flags != 0) &&
4439 ((state->acct_flags & acct_flags) == 0))
4440 return False;
4441
4442 result->acct_flags = acct_flags;
4443 result->account_name = "";
4444 result->fullname = "";
4445 result->description = "";
4446
4447 vals = ldap_get_values(ld, entry, "uid");
4448 if ((vals == NULL) || (vals[0] == NULL)) {
4449 DEBUG(5, ("\"uid\" not found\n"));
4450 return False;
4451 }
4452 if (!pull_utf8_talloc(mem_ctx,
4453 CONST_DISCARD(char **, &result->account_name),
4454 vals[0], &converted_size))
4455 {
4456 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4457 strerror(errno)));
4458 }
4459
4460 ldap_value_free(vals);
4461
4462 vals = ldap_get_values(ld, entry, "displayName");
4463 if ((vals == NULL) || (vals[0] == NULL))
4464 DEBUG(8, ("\"displayName\" not found\n"));
4465 else if (!pull_utf8_talloc(mem_ctx,
4466 CONST_DISCARD(char **, &result->fullname),
4467 vals[0], &converted_size))
4468 {
4469 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4470 strerror(errno)));
4471 }
4472
4473 ldap_value_free(vals);
4474
4475 vals = ldap_get_values(ld, entry, "description");
4476 if ((vals == NULL) || (vals[0] == NULL))
4477 DEBUG(8, ("\"description\" not found\n"));
4478 else if (!pull_utf8_talloc(mem_ctx,
4479 CONST_DISCARD(char **, &result->description),
4480 vals[0], &converted_size))
4481 {
4482 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4483 strerror(errno)));
4484 }
4485
4486 ldap_value_free(vals);
4487
4488 if ((result->account_name == NULL) ||
4489 (result->fullname == NULL) ||
4490 (result->description == NULL)) {
4491 DEBUG(0, ("talloc failed\n"));
4492 return False;
4493 }
4494
4495 vals = ldap_get_values(ld, entry, "sambaSid");
4496 if ((vals == NULL) || (vals[0] == NULL)) {
4497 DEBUG(0, ("\"objectSid\" not found\n"));
4498 return False;
4499 }
4500
4501 if (!string_to_sid(&sid, vals[0])) {
4502 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4503 ldap_value_free(vals);
4504 return False;
4505 }
4506 ldap_value_free(vals);
4507
4508 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4509 DEBUG(0, ("sid %s does not belong to our domain\n",
4510 sid_string_dbg(&sid)));
4511 return False;
4512 }
4513
4514 return True;
4515 }
4516
4517
4518 static bool ldapsam_search_users(struct pdb_methods *methods,
4519 struct pdb_search *search,
4520 uint32 acct_flags)
4521 {
4522 struct ldapsam_privates *ldap_state =
4523 (struct ldapsam_privates *)methods->private_data;
4524 struct ldap_search_state *state;
4525
4526 state = talloc(search, struct ldap_search_state);
4527 if (state == NULL) {
4528 DEBUG(0, ("talloc failed\n"));
4529 return False;
4530 }
4531
4532 state->connection = ldap_state->smbldap_state;
4533
4534 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4535 state->base = lp_ldap_user_suffix();
4536 else if ((acct_flags != 0) &&
4537 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4538 state->base = lp_ldap_machine_suffix();
4539 else
4540 state->base = lp_ldap_suffix();
4541
4542 state->acct_flags = acct_flags;
4543 state->base = talloc_strdup(search, state->base);
4544 state->scope = LDAP_SCOPE_SUBTREE;
4545 state->filter = get_ldap_filter(search, "*");
4546 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4547 "displayName", "description",
4548 "sambaAcctFlags", NULL);
4549 state->attrsonly = 0;
4550 state->pagedresults_cookie = NULL;
4551 state->entries = NULL;
4552 state->ldap2displayentry = ldapuser2displayentry;
4553
4554 if ((state->filter == NULL) || (state->attrs == NULL)) {
4555 DEBUG(0, ("talloc failed\n"));
4556 return False;
4557 }
4558
4559 search->private_data = state;
4560 search->next_entry = ldapsam_search_next_entry;
4561 search->search_end = ldapsam_search_end;
4562
4563 return ldapsam_search_firstpage(search);
4564 }
4565
4566 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4567 TALLOC_CTX *mem_ctx,
4568 LDAP *ld, LDAPMessage *entry,
4569 struct samr_displayentry *result)
4570 {
4571 char **vals;
4572 size_t converted_size;
4573 DOM_SID sid;
4574 uint16 group_type;
4575
4576 result->account_name = "";
4577 result->fullname = "";
4578 result->description = "";
4579
4580
4581 vals = ldap_get_values(ld, entry, "sambaGroupType");
4582 if ((vals == NULL) || (vals[0] == NULL)) {
4583 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4584 if (vals != NULL) {
4585 ldap_value_free(vals);
4586 }
4587 return False;
4588 }
4589
4590 group_type = atoi(vals[0]);
4591
4592 if ((state->group_type != 0) &&
4593 ((state->group_type != group_type))) {
4594 ldap_value_free(vals);
4595 return False;
4596 }
4597
4598 ldap_value_free(vals);
4599
4600 /* display name is the NT group name */
4601
4602 vals = ldap_get_values(ld, entry, "displayName");
4603 if ((vals == NULL) || (vals[0] == NULL)) {
4604 DEBUG(8, ("\"displayName\" not found\n"));
4605
4606 /* fallback to the 'cn' attribute */
4607 vals = ldap_get_values(ld, entry, "cn");
4608 if ((vals == NULL) || (vals[0] == NULL)) {
4609 DEBUG(5, ("\"cn\" not found\n"));
4610 return False;
4611 }
4612 if (!pull_utf8_talloc(mem_ctx,
4613 CONST_DISCARD(char **,
4614 &result->account_name),
4615 vals[0], &converted_size))
4616 {
4617 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4618 "failed: %s", strerror(errno)));
4619 }
4620 }
4621 else if (!pull_utf8_talloc(mem_ctx,
4622 CONST_DISCARD(char **,
4623 &result->account_name),
4624 vals[0], &converted_size))
4625 {
4626 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4627 strerror(errno)));
4628 }
4629
4630 ldap_value_free(vals);
4631
4632 vals = ldap_get_values(ld, entry, "description");
4633 if ((vals == NULL) || (vals[0] == NULL))
4634 DEBUG(8, ("\"description\" not found\n"));
4635 else if (!pull_utf8_talloc(mem_ctx,
4636 CONST_DISCARD(char **, &result->description),
4637 vals[0], &converted_size))
4638 {
4639 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4640 strerror(errno)));
4641 }
4642 ldap_value_free(vals);
4643
4644 if ((result->account_name == NULL) ||
4645 (result->fullname == NULL) ||
4646 (result->description == NULL)) {
4647 DEBUG(0, ("talloc failed\n"));
4648 return False;
4649 }
4650
4651 vals = ldap_get_values(ld, entry, "sambaSid");
4652 if ((vals == NULL) || (vals[0] == NULL)) {
4653 DEBUG(0, ("\"objectSid\" not found\n"));
4654 if (vals != NULL) {
4655 ldap_value_free(vals);
4656 }
4657 return False;
4658 }
4659
4660 if (!string_to_sid(&sid, vals[0])) {
4661 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4662 return False;
4663 }
4664
4665 ldap_value_free(vals);
4666
4667 switch (group_type) {
4668 case SID_NAME_DOM_GRP:
4669 case SID_NAME_ALIAS:
4670
4671 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4672 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4673 {
4674 DEBUG(0, ("%s is not in our domain\n",
4675 sid_string_dbg(&sid)));
4676 return False;
4677 }
4678 break;
4679
4680 default:
4681 DEBUG(0,("unkown group type: %d\n", group_type));
4682 return False;
4683 }
4684
4685 result->acct_flags = 0;
4686
4687 return True;
4688 }
4689
4690 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4691 struct pdb_search *search,
4692 const DOM_SID *sid,
4693 enum lsa_SidType type)
4694 {
4695 struct ldapsam_privates *ldap_state =
4696 (struct ldapsam_privates *)methods->private_data;
4697 struct ldap_search_state *state;
4698 fstring tmp;
4699
4700 state = talloc(search, struct ldap_search_state);
4701 if (state == NULL) {
4702 DEBUG(0, ("talloc failed\n"));
4703 return False;
4704 }
4705
4706 state->connection = ldap_state->smbldap_state;
4707
4708 state->base = talloc_strdup(search, lp_ldap_suffix());
4709 state->connection = ldap_state->smbldap_state;
4710 state->scope = LDAP_SCOPE_SUBTREE;
4711 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4712 "(sambaGroupType=%d)(sambaSID=%s*))",
4713 LDAP_OBJ_GROUPMAP,
4714 type, sid_to_fstring(tmp, sid));
4715 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4716 "displayName", "description",
4717 "sambaGroupType", NULL);
4718 state->attrsonly = 0;
4719 state->pagedresults_cookie = NULL;
4720 state->entries = NULL;
4721 state->group_type = type;
4722 state->ldap2displayentry = ldapgroup2displayentry;
4723
4724 if ((state->filter == NULL) || (state->attrs == NULL)) {
4725 DEBUG(0, ("talloc failed\n"));
4726 return False;
4727 }
4728
4729 search->private_data = state;
4730 search->next_entry = ldapsam_search_next_entry;
4731 search->search_end = ldapsam_search_end;
4732
4733 return ldapsam_search_firstpage(search);
4734 }
4735
4736 static bool ldapsam_search_groups(struct pdb_methods *methods,
4737 struct pdb_search *search)
4738 {
4739 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4740 }
4741
4742 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4743 struct pdb_search *search,
4744 const DOM_SID *sid)
4745 {
4746 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4747 }
4748
4749 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4750 {
4751 return PDB_CAP_STORE_RIDS;
4752 }
4753
4754 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4755 uint32 *rid)
4756 {
4757 struct smbldap_state *smbldap_state = priv->smbldap_state;
4758
4759 LDAPMessage *result = NULL;
4760 LDAPMessage *entry = NULL;
4761 LDAPMod **mods = NULL;
4762 NTSTATUS status;
4763 char *value;
4764 int rc;
4765 uint32 nextRid = 0;
4766 const char *dn;
4767
4768 TALLOC_CTX *mem_ctx;
4769
4770 mem_ctx = talloc_new(NULL);
4771 if (mem_ctx == NULL) {
4772 DEBUG(0, ("talloc_new failed\n"));
4773 return NT_STATUS_NO_MEMORY;
4774 }
4775
4776 status = smbldap_search_domain_info(smbldap_state, &result,
4777 get_global_sam_name(), False);
4778 if (!NT_STATUS_IS_OK(status)) {
4779 DEBUG(3, ("Could not get domain info: %s\n",
4780 nt_errstr(status)));
4781 goto done;
4782 }
4783
4784 talloc_autofree_ldapmsg(mem_ctx, result);
4785
4786 entry = ldap_first_entry(priv2ld(priv), result);
4787 if (entry == NULL) {
4788 DEBUG(0, ("Could not get domain info entry\n"));
4789 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4790 goto done;
4791 }
4792
4793 /* Find the largest of the three attributes "sambaNextRid",
4794 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4795 concept of differentiating between user and group rids, and will
4796 use only "sambaNextRid" in the future. But for compatibility
4797 reasons I look if others have chosen different strategies -- VL */
4798
4799 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4800 "sambaNextRid", mem_ctx);
4801 if (value != NULL) {
4802 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4803 nextRid = MAX(nextRid, tmp);
4804 }
4805
4806 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4807 "sambaNextUserRid", mem_ctx);
4808 if (value != NULL) {
4809 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4810 nextRid = MAX(nextRid, tmp);
4811 }
4812
4813 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4814 "sambaNextGroupRid", mem_ctx);
4815 if (value != NULL) {
4816 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4817 nextRid = MAX(nextRid, tmp);
4818 }
4819
4820 if (nextRid == 0) {
4821 nextRid = BASE_RID-1;
4822 }
4823
4824 nextRid += 1;
4825
4826 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4827 talloc_asprintf(mem_ctx, "%d", nextRid));
4828 talloc_autofree_ldapmod(mem_ctx, mods);
4829
4830 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4831 status = NT_STATUS_NO_MEMORY;
4832 goto done;
4833 }
4834
4835 rc = smbldap_modify(smbldap_state, dn, mods);
4836
4837 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4838 * please retry" */
4839
4840 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4841
4842 done:
4843 if (NT_STATUS_IS_OK(status)) {
4844 *rid = nextRid;
4845 }
4846
4847 TALLOC_FREE(mem_ctx);
4848 return status;
4849 }
4850
4851 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4852 {
4853 int i;
4854
4855 for (i=0; i<10; i++) {
4856 NTSTATUS result = ldapsam_get_new_rid(
4857 (struct ldapsam_privates *)methods->private_data, rid);
4858 if (NT_STATUS_IS_OK(result)) {
4859 return result;
4860 }
4861
4862 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4863 return result;
4864 }
4865
4866 /* The ldap update failed (maybe a race condition), retry */
4867 }
4868
4869 /* Tried 10 times, fail. */
4870 return NT_STATUS_ACCESS_DENIED;
4871 }
4872
4873 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4874 {
4875 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4876 return NT_STATUS_IS_OK(result) ? True : False;
4877 }
4878
4879 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4880 const DOM_SID *sid,
4881 union unid_t *id, enum lsa_SidType *type)
4882 {
4883 struct ldapsam_privates *priv =
4884 (struct ldapsam_privates *)methods->private_data;
4885 char *filter;
4886 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4887 NULL };
4888 LDAPMessage *result = NULL;
4889 LDAPMessage *entry = NULL;
4890 bool ret = False;
4891 char *value;
4892 int rc;
4893
4894 TALLOC_CTX *mem_ctx;
4895
4896 mem_ctx = talloc_new(NULL);
4897 if (mem_ctx == NULL) {
4898 DEBUG(0, ("talloc_new failed\n"));
4899 return False;
4900 }
4901
4902 filter = talloc_asprintf(mem_ctx,
4903 "(&(sambaSid=%s)"
4904 "(|(objectClass=%s)(objectClass=%s)))",
4905 sid_string_talloc(mem_ctx, sid),
4906 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4907 if (filter == NULL) {
4908 DEBUG(5, ("talloc_asprintf failed\n"));
4909 goto done;
4910 }
4911
4912 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4913 attrs, &result);
4914 if (rc != LDAP_SUCCESS) {
4915 goto done;
4916 }
4917 talloc_autofree_ldapmsg(mem_ctx, result);
4918
4919 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4920 DEBUG(10, ("Got %d entries, expected one\n",
4921 ldap_count_entries(priv2ld(priv), result)));
4922 goto done;
4923 }
4924
4925 entry = ldap_first_entry(priv2ld(priv), result);
4926
4927 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4928 "sambaGroupType", mem_ctx);
4929
4930 if (value != NULL) {
4931 const char *gid_str;
4932 /* It's a group */
4933
4934 gid_str = smbldap_talloc_single_attribute(
4935 priv2ld(priv), entry, "gidNumber", mem_ctx);
4936 if (gid_str == NULL) {
4937 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4938 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4939 entry)));
4940 goto done;
4941 }
4942
4943 id->gid = strtoul(gid_str, NULL, 10);
4944 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4945 ret = True;
4946 goto done;
4947 }
4948
4949 /* It must be a user */
4950
4951 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4952 "uidNumber", mem_ctx);
4953 if (value == NULL) {
4954 DEBUG(1, ("Could not find uidNumber in %s\n",
4955 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4956 goto done;
4957 }
4958
4959 id->uid = strtoul(value, NULL, 10);
4960 *type = SID_NAME_USER;
4961
4962 ret = True;
4963 done:
4964 TALLOC_FREE(mem_ctx);
4965 return ret;
4966 }
4967
4968 /*
4969 * The following functions is called only if
4970 * ldapsam:trusted and ldapsam:editposix are
4971 * set to true
4972 */
4973
4974 /*
4975 * ldapsam_create_user creates a new
4976 * posixAccount and sambaSamAccount object
4977 * in the ldap users subtree
4978 *
4979 * The uid is allocated by winbindd.
4980 */
4981
4982 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4983 TALLOC_CTX *tmp_ctx, const char *name,
4984 uint32 acb_info, uint32 *rid)
4985 {
4986 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4987 LDAPMessage *entry = NULL;
4988 LDAPMessage *result = NULL;
4989 uint32 num_result;
4990 bool is_machine = False;
4991 bool add_posix = False;
4992 LDAPMod **mods = NULL;
4993 struct samu *user;
4994 char *filter;
4995 char *username;
4996 char *homedir;
4997 char *gidstr;
4998 char *uidstr;
4999 char *shell;
5000 const char *dn = NULL;
5001 DOM_SID group_sid;
5002 DOM_SID user_sid;
5003 gid_t gid = -1;
5004 uid_t uid = -1;
5005 NTSTATUS ret;
5006 int rc;
5007
5008 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5009 acb_info & ACB_WSTRUST ||
5010 acb_info & ACB_SVRTRUST ||
5011 acb_info & ACB_DOMTRUST) {
5012 is_machine = True;
5013 }
5014
5015 username = escape_ldap_string(talloc_tos(), name);
5016 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5017 username, LDAP_OBJ_POSIXACCOUNT);
5018 TALLOC_FREE(username);
5019
5020 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5021 if (rc != LDAP_SUCCESS) {
5022 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5023 return NT_STATUS_ACCESS_DENIED;
5024 }
5025 talloc_autofree_ldapmsg(tmp_ctx, result);
5026
5027 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5028
5029 if (num_result > 1) {
5030 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5031 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5032 }
5033
5034 if (num_result == 1) {
5035 char *tmp;
5036 /* check if it is just a posix account.
5037 * or if there is a sid attached to this entry
5038 */
5039
5040 entry = ldap_first_entry(priv2ld(ldap_state), result);
5041 if (!entry) {
5042 return NT_STATUS_UNSUCCESSFUL;
5043 }
5044
5045 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5046 if (tmp) {
5047 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5048 return NT_STATUS_USER_EXISTS;
5049 }
5050
5051 /* it is just a posix account, retrieve the dn for later use */
5052 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5053 if (!dn) {
5054 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5055 return NT_STATUS_NO_MEMORY;
5056 }
5057 }
5058
5059 if (num_result == 0) {
5060 add_posix = True;
5061 }
5062
5063 /* Create the basic samu structure and generate the mods for the ldap commit */
5064 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5065 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5066 return ret;
5067 }
5068
5069 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5070
5071 user = samu_new(tmp_ctx);
5072 if (!user) {
5073 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5074 return NT_STATUS_NO_MEMORY;
5075 }
5076
5077 if (!pdb_set_username(user, name, PDB_SET)) {
5078 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5079 return NT_STATUS_UNSUCCESSFUL;
5080 }
5081 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5082 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5083 return NT_STATUS_UNSUCCESSFUL;
5084 }
5085 if (is_machine) {
5086 if (acb_info & ACB_NORMAL) {
5087 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5088 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5089 return NT_STATUS_UNSUCCESSFUL;
5090 }
5091 } else {
5092 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5093 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5094 return NT_STATUS_UNSUCCESSFUL;
5095 }
5096 }
5097 } else {
5098 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5099 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5100 return NT_STATUS_UNSUCCESSFUL;
5101 }
5102 }
5103
5104 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5105 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5106 return NT_STATUS_UNSUCCESSFUL;
5107 }
5108
5109 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5110 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5111 return NT_STATUS_UNSUCCESSFUL;
5112 }
5113
5114 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5115 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5116 }
5117 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5118
5119 if (add_posix) {
5120 char *escape_name;
5121
5122 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5123
5124 /* retrieve the Domain Users group gid */
5125 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5126 !sid_to_gid(&group_sid, &gid)) {
5127 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5128 return NT_STATUS_INVALID_PRIMARY_GROUP;
5129 }
5130
5131 /* lets allocate a new userid for this user */
5132 if (!winbind_allocate_uid(&uid)) {
5133 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5134 return NT_STATUS_UNSUCCESSFUL;
5135 }
5136
5137
5138 if (is_machine) {
5139 /* TODO: choose a more appropriate default for machines */
5140 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5141 shell = talloc_strdup(tmp_ctx, "/bin/false");
5142 } else {
5143 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5144 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5145 }
5146 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5147 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5148
5149 escape_name = escape_rdn_val_string_alloc(name);
5150 if (!escape_name) {
5151 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5152 return NT_STATUS_NO_MEMORY;
5153 }
5154
5155 if (is_machine) {
5156 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5157 } else {
5158 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5159 }
5160
5161 SAFE_FREE(escape_name);
5162
5163 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5164 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5165 return NT_STATUS_NO_MEMORY;
5166 }
5167
5168 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5169 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5170 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5171 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5172 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5173 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5174 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5175 }
5176
5177 talloc_autofree_ldapmod(tmp_ctx, mods);
5178
5179 if (add_posix) {
5180 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5181 } else {
5182 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5183 }
5184
5185 if (rc != LDAP_SUCCESS) {
5186 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5187 return NT_STATUS_UNSUCCESSFUL;
5188 }
5189
5190 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5191
5192 flush_pwnam_cache();
5193
5194 return NT_STATUS_OK;
5195 }
5196
5197 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5198 {
5199 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5200 LDAPMessage *result = NULL;
5201 LDAPMessage *entry = NULL;
5202 int num_result;
5203 const char *dn;
5204 char *filter;
5205 int rc;
5206
5207 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5208
5209 filter = talloc_asprintf(tmp_ctx,
5210 "(&(uid=%s)"
5211 "(objectClass=%s)"
5212 "(objectClass=%s))",
5213 pdb_get_username(sam_acct),
5214 LDAP_OBJ_POSIXACCOUNT,
5215 LDAP_OBJ_SAMBASAMACCOUNT);
5216 if (filter == NULL) {
5217 return NT_STATUS_NO_MEMORY;
5218 }
5219
5220 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5221 if (rc != LDAP_SUCCESS) {
5222 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5223 return NT_STATUS_UNSUCCESSFUL;
5224 }
5225 talloc_autofree_ldapmsg(tmp_ctx, result);
5226
5227 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5228
5229 if (num_result == 0) {
5230 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5231 return NT_STATUS_NO_SUCH_USER;
5232 }
5233
5234 if (num_result > 1) {
5235 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5236 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5237 }
5238
5239 entry = ldap_first_entry(priv2ld(ldap_state), result);
5240 if (!entry) {
5241 return NT_STATUS_UNSUCCESSFUL;
5242 }
5243
5244 /* it is just a posix account, retrieve the dn for later use */
5245 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5246 if (!dn) {
5247 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5248 return NT_STATUS_NO_MEMORY;
5249 }
5250
5251 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5252 if (rc != LDAP_SUCCESS) {
5253 return NT_STATUS_UNSUCCESSFUL;
5254 }
5255
5256 flush_pwnam_cache();
5257
5258 return NT_STATUS_OK;
5259 }
5260
5261 /*
5262 * ldapsam_create_group creates a new
5263 * posixGroup and sambaGroupMapping object
5264 * in the ldap groups subtree
5265 *
5266 * The gid is allocated by winbindd.
5267 */
5268
5269 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5270 TALLOC_CTX *tmp_ctx,
5271 const char *name,
5272 uint32 *rid)
5273 {
5274 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5275 NTSTATUS ret;
5276 LDAPMessage *entry = NULL;
5277 LDAPMessage *result = NULL;
5278 uint32 num_result;
5279 bool is_new_entry = False;
5280 LDAPMod **mods = NULL;
5281 char *filter;
5282 char *groupsidstr;
5283 char *groupname;
5284 char *grouptype;
5285 char *gidstr;
5286 const char *dn = NULL;
5287 DOM_SID group_sid;
5288 gid_t gid = -1;
5289 int rc;
5290
5291 groupname = escape_ldap_string(talloc_tos(), name);
5292 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5293 groupname, LDAP_OBJ_POSIXGROUP);
5294 TALLOC_FREE(groupname);
5295
5296 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5297 if (rc != LDAP_SUCCESS) {
5298 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5299 return NT_STATUS_UNSUCCESSFUL;
5300 }
5301 talloc_autofree_ldapmsg(tmp_ctx, result);
5302
5303 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5304
5305 if (num_result > 1) {
5306 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5307 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5308 }
5309
5310 if (num_result == 1) {
5311 char *tmp;
5312 /* check if it is just a posix group.
5313 * or if there is a sid attached to this entry
5314 */
5315
5316 entry = ldap_first_entry(priv2ld(ldap_state), result);
5317 if (!entry) {
5318 return NT_STATUS_UNSUCCESSFUL;
5319 }
5320
5321 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5322 if (tmp) {
5323 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5324 return NT_STATUS_GROUP_EXISTS;
5325 }
5326
5327 /* it is just a posix group, retrieve the gid and the dn for later use */
5328 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5329 if (!tmp) {
5330 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5331 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5332 }
5333
5334 gid = strtoul(tmp, NULL, 10);
5335
5336 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5337 if (!dn) {
5338 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5339 return NT_STATUS_NO_MEMORY;
5340 }
5341 }
5342
5343 if (num_result == 0) {
5344 char *escape_name;
5345
5346 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5347
5348 is_new_entry = True;
5349
5350 /* lets allocate a new groupid for this group */
5351 if (!winbind_allocate_gid(&gid)) {
5352 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5353 return NT_STATUS_UNSUCCESSFUL;
5354 }
5355
5356 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5357
5358 escape_name = escape_rdn_val_string_alloc(name);
5359 if (!escape_name) {
5360 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5361 return NT_STATUS_NO_MEMORY;
5362 }
5363
5364 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5365
5366 SAFE_FREE(escape_name);
5367
5368 if (!gidstr || !dn) {
5369 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5370 return NT_STATUS_NO_MEMORY;
5371 }
5372
5373 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5374 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5375 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5376 }
5377
5378 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5379 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5380 return ret;
5381 }
5382
5383 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5384
5385 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5386 &group_sid));
5387 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5388
5389 if (!groupsidstr || !grouptype) {
5390 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5391 return NT_STATUS_NO_MEMORY;
5392 }
5393
5394 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5395 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5396 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5397 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5398 talloc_autofree_ldapmod(tmp_ctx, mods);
5399
5400 if (is_new_entry) {
5401 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5402 #if 0
5403 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5404 /* This call may fail with rfc2307bis schema */
5405 /* Retry adding a structural class */
5406 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5407 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5408 }
5409 #endif
5410 } else {
5411 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5412 }
5413
5414 if (rc != LDAP_SUCCESS) {
5415 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5416 return NT_STATUS_UNSUCCESSFUL;
5417 }
5418
5419 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5420
5421 return NT_STATUS_OK;
5422 }
5423
5424 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5425 {
5426 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5427 LDAPMessage *result = NULL;
5428 LDAPMessage *entry = NULL;
5429 int num_result;
5430 const char *dn;
5431 char *gidstr;
5432 char *filter;
5433 DOM_SID group_sid;
5434 int rc;
5435
5436 /* get the group sid */
5437 sid_compose(&group_sid, get_global_sam_sid(), rid);
5438
5439 filter = talloc_asprintf(tmp_ctx,
5440 "(&(sambaSID=%s)"
5441 "(objectClass=%s)"
5442 "(objectClass=%s))",
5443 sid_string_talloc(tmp_ctx, &group_sid),
5444 LDAP_OBJ_POSIXGROUP,
5445 LDAP_OBJ_GROUPMAP);
5446 if (filter == NULL) {
5447 return NT_STATUS_NO_MEMORY;
5448 }
5449
5450 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5451 if (rc != LDAP_SUCCESS) {
5452 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5453 return NT_STATUS_UNSUCCESSFUL;
5454 }
5455 talloc_autofree_ldapmsg(tmp_ctx, result);
5456
5457 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5458
5459 if (num_result == 0) {
5460 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5461 return NT_STATUS_NO_SUCH_GROUP;
5462 }
5463
5464 if (num_result > 1) {
5465 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5466 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5467 }
5468
5469 entry = ldap_first_entry(priv2ld(ldap_state), result);
5470 if (!entry) {
5471 return NT_STATUS_UNSUCCESSFUL;
5472 }
5473
5474 /* here it is, retrieve the dn for later use */
5475 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5476 if (!dn) {
5477 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5478 return NT_STATUS_NO_MEMORY;
5479 }
5480
5481 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5482 if (!gidstr) {
5483 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5484 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5485 }
5486
5487 /* check no user have this group marked as primary group */
5488 filter = talloc_asprintf(tmp_ctx,
5489 "(&(gidNumber=%s)"
5490 "(objectClass=%s)"
5491 "(objectClass=%s))",
5492 gidstr,
5493 LDAP_OBJ_POSIXACCOUNT,
5494 LDAP_OBJ_SAMBASAMACCOUNT);
5495
5496 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5497 if (rc != LDAP_SUCCESS) {
5498 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5499 return NT_STATUS_UNSUCCESSFUL;
5500 }
5501 talloc_autofree_ldapmsg(tmp_ctx, result);
5502
5503 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5504
5505 if (num_result != 0) {
5506 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5507 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5508 }
5509
5510 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5511 if (rc != LDAP_SUCCESS) {
5512 return NT_STATUS_UNSUCCESSFUL;
5513 }
5514
5515 return NT_STATUS_OK;
5516 }
5517
5518 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5519 TALLOC_CTX *tmp_ctx,
5520 uint32 group_rid,
5521 uint32 member_rid,
5522 int modop)
5523 {
5524 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5525 LDAPMessage *entry = NULL;
5526 LDAPMessage *result = NULL;
5527 uint32 num_result;
5528 LDAPMod **mods = NULL;
5529 char *filter;
5530 char *uidstr;
5531 const char *dn = NULL;
5532 DOM_SID group_sid;
5533 DOM_SID member_sid;
5534 int rc;
5535
5536 switch (modop) {
5537 case LDAP_MOD_ADD:
5538 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5539 break;
5540 case LDAP_MOD_DELETE:
5541 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5542 break;
5543 default:
5544 return NT_STATUS_UNSUCCESSFUL;
5545 }
5546
5547 /* get member sid */
5548 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5549
5550 /* get the group sid */
5551 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5552
5553 filter = talloc_asprintf(tmp_ctx,
5554 "(&(sambaSID=%s)"
5555 "(objectClass=%s)"
5556 "(objectClass=%s))",
5557 sid_string_talloc(tmp_ctx, &member_sid),
5558 LDAP_OBJ_POSIXACCOUNT,
5559 LDAP_OBJ_SAMBASAMACCOUNT);
5560 if (filter == NULL) {
5561 return NT_STATUS_NO_MEMORY;
5562 }
5563
5564 /* get the member uid */
5565 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5566 if (rc != LDAP_SUCCESS) {
5567 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5568 return NT_STATUS_UNSUCCESSFUL;
5569 }
5570 talloc_autofree_ldapmsg(tmp_ctx, result);
5571
5572 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5573
5574 if (num_result == 0) {
5575 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5576 return NT_STATUS_NO_SUCH_MEMBER;
5577 }
5578
5579 if (num_result > 1) {
5580 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5581 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5582 }
5583
5584 entry = ldap_first_entry(priv2ld(ldap_state), result);
5585 if (!entry) {
5586 return NT_STATUS_UNSUCCESSFUL;
5587 }
5588
5589 if (modop == LDAP_MOD_DELETE) {
5590 /* check if we are trying to remove the member from his primary group */
5591 char *gidstr;
5592 gid_t user_gid, group_gid;
5593
5594 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5595 if (!gidstr) {
5596 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5597 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5598 }
5599
5600 user_gid = strtoul(gidstr, NULL, 10);
5601
5602 if (!sid_to_gid(&group_sid, &group_gid)) {
5603 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5604 return NT_STATUS_UNSUCCESSFUL;
5605 }
5606
5607 if (user_gid == group_gid) {
5608 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5609 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5610 }
5611 }
5612
5613 /* here it is, retrieve the uid for later use */
5614 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5615 if (!uidstr) {
5616 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5617 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5618 }
5619
5620 filter = talloc_asprintf(tmp_ctx,
5621 "(&(sambaSID=%s)"
5622 "(objectClass=%s)"
5623 "(objectClass=%s))",
5624 sid_string_talloc(tmp_ctx, &group_sid),
5625 LDAP_OBJ_POSIXGROUP,
5626 LDAP_OBJ_GROUPMAP);
5627
5628 /* get the group */
5629 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5630 if (rc != LDAP_SUCCESS) {
5631 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5632 return NT_STATUS_UNSUCCESSFUL;
5633 }
5634 talloc_autofree_ldapmsg(tmp_ctx, result);
5635
5636 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5637
5638 if (num_result == 0) {
5639 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5640 return NT_STATUS_NO_SUCH_GROUP;
5641 }
5642
5643 if (num_result > 1) {
5644 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5645 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5646 }
5647
5648 entry = ldap_first_entry(priv2ld(ldap_state), result);
5649 if (!entry) {
5650 return NT_STATUS_UNSUCCESSFUL;
5651 }
5652
5653 /* here it is, retrieve the dn for later use */
5654 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5655 if (!dn) {
5656 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5657 return NT_STATUS_NO_MEMORY;
5658 }
5659
5660 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5661
5662 talloc_autofree_ldapmod(tmp_ctx, mods);
5663
5664 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5665 if (rc != LDAP_SUCCESS) {
5666 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5667 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5668 return NT_STATUS_MEMBER_IN_GROUP;
5669 }
5670 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5671 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5672 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5673 }
5674 return NT_STATUS_UNSUCCESSFUL;
5675 }
5676
5677 return NT_STATUS_OK;
5678 }
5679
5680 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5681 TALLOC_CTX *tmp_ctx,
5682 uint32 group_rid,
5683 uint32 member_rid)
5684 {
5685 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5686 }
5687 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5688 TALLOC_CTX *tmp_ctx,
5689 uint32 group_rid,
5690 uint32 member_rid)
5691 {
5692 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5693 }
5694
5695 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5696 TALLOC_CTX *mem_ctx,
5697 struct samu *sampass)
5698 {
5699 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5700 LDAPMessage *entry = NULL;
5701 LDAPMessage *result = NULL;
5702 uint32 num_result;
5703 LDAPMod **mods = NULL;
5704 char *filter;
5705 char *escape_username;
5706 char *gidstr;
5707 const char *dn = NULL;
5708 gid_t gid;
5709 int rc;
5710
5711 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5712
5713 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5714 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5715 return NT_STATUS_UNSUCCESSFUL;
5716 }
5717 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5718 if (!gidstr) {
5719 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5720 return NT_STATUS_NO_MEMORY;
5721 }
5722
5723 escape_username = escape_ldap_string(talloc_tos(),
5724 pdb_get_username(sampass));
5725 if (escape_username== NULL) {
5726 return NT_STATUS_NO_MEMORY;
5727 }
5728
5729 filter = talloc_asprintf(mem_ctx,
5730 "(&(uid=%s)"
5731 "(objectClass=%s)"
5732 "(objectClass=%s))",
5733 escape_username,
5734 LDAP_OBJ_POSIXACCOUNT,
5735 LDAP_OBJ_SAMBASAMACCOUNT);
5736
5737 TALLOC_FREE(escape_username);
5738
5739 if (filter == NULL) {
5740 return NT_STATUS_NO_MEMORY;
5741 }
5742
5743 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5744 if (rc != LDAP_SUCCESS) {
5745 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5746 return NT_STATUS_UNSUCCESSFUL;
5747 }
5748 talloc_autofree_ldapmsg(mem_ctx, result);
5749
5750 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5751
5752 if (num_result == 0) {
5753 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5754 return NT_STATUS_NO_SUCH_USER;
5755 }
5756
5757 if (num_result > 1) {
5758 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5759 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5760 }
5761
5762 entry = ldap_first_entry(priv2ld(ldap_state), result);
5763 if (!entry) {
5764 return NT_STATUS_UNSUCCESSFUL;
5765 }
5766
5767 /* retrieve the dn for later use */
5768 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5769 if (!dn) {
5770 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5771 return NT_STATUS_NO_MEMORY;
5772 }
5773
5774 /* remove the old one, and add the new one, this way we do not risk races */
5775 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5776
5777 if (mods == NULL) {
5778 return NT_STATUS_OK;
5779 }
5780
5781 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5782
5783 if (rc != LDAP_SUCCESS) {
5784 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5785 pdb_get_username(sampass), gidstr));
5786 return NT_STATUS_UNSUCCESSFUL;
5787 }
5788
5789 flush_pwnam_cache();
5790
5791 return NT_STATUS_OK;
5792 }
5793
5794
5795 /**********************************************************************
5796 trusted domains functions
5797 *********************************************************************/
5798
5799 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5800 const char *domain)
5801 {
5802 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5803 ldap_state->domain_dn);
5804 }
5805
5806 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5807 TALLOC_CTX *mem_ctx,
5808 const char *domain, LDAPMessage **entry)
5809 {
5810 int rc;
5811 char *filter;
5812 int scope = LDAP_SCOPE_SUBTREE;
5813 const char **attrs = NULL; /* NULL: get all attrs */
5814 int attrsonly = 0; /* 0: return values too */
5815 LDAPMessage *result = NULL;
5816 char *trusted_dn;
5817 uint32 num_result;
5818
5819 filter = talloc_asprintf(talloc_tos(),
5820 "(&(objectClass=%s)(sambaDomainName=%s))",
5821 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5822
5823 trusted_dn = trusteddom_dn(ldap_state, domain);
5824 if (trusted_dn == NULL) {
5825 return False;
5826 }
5827 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5828 filter, attrs, attrsonly, &result);
5829
5830 if (result != NULL) {
5831 talloc_autofree_ldapmsg(mem_ctx, result);
5832 }
5833
5834 if (rc == LDAP_NO_SUCH_OBJECT) {
5835 *entry = NULL;
5836 return True;
5837 }
5838
5839 if (rc != LDAP_SUCCESS) {
5840 return False;
5841 }
5842
5843 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5844
5845 if (num_result > 1) {
5846 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5847 "%s object for domain '%s'?!\n",
5848 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5849 return False;
5850 }
5851
5852 if (num_result == 0) {
5853 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5854 "%s object for domain %s.\n",
5855 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5856 *entry = NULL;
5857 } else {
5858 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5859 }
5860
5861 return True;
5862 }
5863
5864 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5865 const char *domain,
5866 char** pwd,
5867 DOM_SID *sid,
5868 time_t *pass_last_set_time)
5869 {
5870 struct ldapsam_privates *ldap_state =
5871 (struct ldapsam_privates *)methods->private_data;
5872 LDAPMessage *entry = NULL;
5873
5874 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5875
5876 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5877 (entry == NULL))
5878 {
5879 return False;
5880 }
5881
5882 /* password */
5883 if (pwd != NULL) {
5884 char *pwd_str;
5885 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5886 entry, "sambaClearTextPassword", talloc_tos());
5887 if (pwd_str == NULL) {
5888 return False;
5889 }
5890 /* trusteddom_pw routines do not use talloc yet... */
5891 *pwd = SMB_STRDUP(pwd_str);
5892 if (*pwd == NULL) {
5893 return False;
5894 }
5895 }
5896
5897 /* last change time */
5898 if (pass_last_set_time != NULL) {
5899 char *time_str;
5900 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5901 entry, "sambaPwdLastSet", talloc_tos());
5902 if (time_str == NULL) {
5903 return False;
5904 }
5905 *pass_last_set_time = (time_t)atol(time_str);
5906 }
5907
5908 /* domain sid */
5909 if (sid != NULL) {
5910 char *sid_str;
5911 DOM_SID *dom_sid;
5912 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5913 entry, "sambaSID",
5914 talloc_tos());
5915 if (sid_str == NULL) {
5916 return False;
5917 }
5918 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5919 if (dom_sid == NULL) {
5920 return False;
5921 }
5922 sid_copy(sid, dom_sid);
5923 }
5924
5925 return True;
5926 }
5927
5928 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5929 const char* domain,
5930 const char* pwd,
5931 const DOM_SID *sid)
5932 {
5933 struct ldapsam_privates *ldap_state =
5934 (struct ldapsam_privates *)methods->private_data;
5935 LDAPMessage *entry = NULL;
5936 LDAPMod **mods = NULL;
5937 char *prev_pwd = NULL;
5938 char *trusted_dn = NULL;
5939 int rc;
5940
5941 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5942
5943 /*
5944 * get the current entry (if there is one) in order to put the
5945 * current password into the previous password attribute
5946 */
5947 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5948 return False;
5949 }
5950
5951 mods = NULL;
5952 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5953 LDAP_OBJ_TRUSTDOM_PASSWORD);
5954 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5955 domain);
5956 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5957 sid_string_tos(sid));
5958 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5959 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
5960 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5961 "sambaClearTextPassword", pwd);
5962
5963 talloc_autofree_ldapmod(talloc_tos(), mods);
5964
5965 if (entry != NULL) {
5966 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5967 entry, "sambaClearTextPassword", talloc_tos());
5968 if (prev_pwd != NULL) {
5969 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
5970 "sambaPreviousClearTextPassword",
5971 prev_pwd);
5972 }
5973 }
5974
5975 trusted_dn = trusteddom_dn(ldap_state, domain);
5976 if (trusted_dn == NULL) {
5977 return False;
5978 }
5979 if (entry == NULL) {
5980 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
5981 } else {
5982 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
5983 }
5984
5985 if (rc != LDAP_SUCCESS) {
5986 DEBUG(1, ("error writing trusted domain password!\n"));
5987 return False;
5988 }
5989
5990 return True;
5991 }
5992
5993 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
5994 const char *domain)
5995 {
5996 int rc;
5997 struct ldapsam_privates *ldap_state =
5998 (struct ldapsam_privates *)methods->private_data;
5999 LDAPMessage *entry = NULL;
6000 const char *trusted_dn;
6001
6002 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6003 return False;
6004 }
6005
6006 if (entry == NULL) {
6007 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6008 "%s\n", domain));
6009 return True;
6010 }
6011
6012 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6013 entry);
6014 if (trusted_dn == NULL) {
6015 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6016 return False;
6017 }
6018
6019 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6020 if (rc != LDAP_SUCCESS) {
6021 return False;
6022 }
6023
6024 return True;
6025 }
6026
6027 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6028 TALLOC_CTX *mem_ctx,
6029 uint32 *num_domains,
6030 struct trustdom_info ***domains)
6031 {
6032 int rc;
6033 struct ldapsam_privates *ldap_state =
6034 (struct ldapsam_privates *)methods->private_data;
6035 char *filter;
6036 int scope = LDAP_SCOPE_SUBTREE;
6037 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6038 int attrsonly = 0; /* 0: return values too */
6039 LDAPMessage *result = NULL;
6040 LDAPMessage *entry = NULL;
6041
6042 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6043 LDAP_OBJ_TRUSTDOM_PASSWORD);
6044
6045 rc = smbldap_search(ldap_state->smbldap_state,
6046 ldap_state->domain_dn,
6047 scope,
6048 filter,
6049 attrs,
6050 attrsonly,
6051 &result);
6052
6053 if (result != NULL) {
6054 talloc_autofree_ldapmsg(mem_ctx, result);
6055 }
6056
6057 if (rc != LDAP_SUCCESS) {
6058 return NT_STATUS_UNSUCCESSFUL;
6059 }
6060
6061 *num_domains = 0;
6062 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6063 DEBUG(1, ("talloc failed\n"));
6064 return NT_STATUS_NO_MEMORY;
6065 }
6066
6067 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6068 entry != NULL;
6069 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6070 {
6071 char *dom_name, *dom_sid_str;
6072 struct trustdom_info *dom_info;
6073
6074 dom_info = TALLOC_P(*domains, struct trustdom_info);
6075 if (dom_info == NULL) {
6076 DEBUG(1, ("talloc failed\n"));
6077 return NT_STATUS_NO_MEMORY;
6078 }
6079
6080 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6081 entry,
6082 "sambaDomainName",
6083 talloc_tos());
6084 if (dom_name == NULL) {
6085 DEBUG(1, ("talloc failed\n"));
6086 return NT_STATUS_NO_MEMORY;
6087 }
6088 dom_info->name = dom_name;
6089
6090 dom_sid_str = smbldap_talloc_single_attribute(
6091 priv2ld(ldap_state), entry, "sambaSID",
6092 talloc_tos());
6093 if (dom_sid_str == NULL) {
6094 DEBUG(1, ("talloc failed\n"));
6095 return NT_STATUS_NO_MEMORY;
6096 }
6097 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6098 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6099 dom_sid_str));
6100 return NT_STATUS_UNSUCCESSFUL;
6101 }
6102
6103 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6104 domains, num_domains);
6105
6106 if (*domains == NULL) {
6107 DEBUG(1, ("talloc failed\n"));
6108 return NT_STATUS_NO_MEMORY;
6109 }
6110 }
6111
6112 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6113 return NT_STATUS_OK;
6114 }
6115
6116
6117 /**********************************************************************
6118 Housekeeping
6119 *********************************************************************/
6120
6121 static void free_private_data(void **vp)
6122 {
6123 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6124
6125 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6126
6127 if ((*ldap_state)->result != NULL) {
6128 ldap_msgfree((*ldap_state)->result);
6129 (*ldap_state)->result = NULL;
6130 }
6131 if ((*ldap_state)->domain_dn != NULL) {
6132 SAFE_FREE((*ldap_state)->domain_dn);
6133 }
6134
6135 *ldap_state = NULL;
6136
6137 /* No need to free any further, as it is talloc()ed */
6138 }
6139
6140 /*********************************************************************
6141 Intitalise the parts of the pdb_methods structure that are common to
6142 all pdb_ldap modes
6143 *********************************************************************/
6144
6145 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6146 {
6147 NTSTATUS nt_status;
6148 struct ldapsam_privates *ldap_state;
6149
6150 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6151 return nt_status;
6152 }
6153
6154 (*pdb_method)->name = "ldapsam";
6155
6156 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6157 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6158 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6159 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6160 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6161 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6162
6163 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6164 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6165 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6166 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6167 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6168 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6169 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6170
6171 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6172 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6173
6174 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6175
6176 (*pdb_method)->capabilities = ldapsam_capabilities;
6177 (*pdb_method)->new_rid = ldapsam_new_rid;
6178
6179 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6180 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6181 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6182 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6183
6184 /* TODO: Setup private data and free */
6185
6186 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6187 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6188 return NT_STATUS_NO_MEMORY;
6189 }
6190
6191 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6192 location, &ldap_state->smbldap_state);
6193
6194 if ( !NT_STATUS_IS_OK(nt_status) ) {
6195 return nt_status;
6196 }
6197
6198 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6199 return NT_STATUS_NO_MEMORY;
6200 }
6201
6202 (*pdb_method)->private_data = ldap_state;
6203
6204 (*pdb_method)->free_private_data = free_private_data;
6205
6206 return NT_STATUS_OK;
6207 }
6208
6209 /**********************************************************************
6210 Initialise the 'compat' mode for pdb_ldap
6211 *********************************************************************/
6212
6213 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6214 {
6215 NTSTATUS nt_status;
6216 struct ldapsam_privates *ldap_state;
6217 char *uri = talloc_strdup( NULL, location );
6218
6219 trim_char( uri, '\"', '\"' );
6220 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6221 if ( uri )
6222 TALLOC_FREE( uri );
6223
6224 if ( !NT_STATUS_IS_OK(nt_status) ) {
6225 return nt_status;
6226 }
6227
6228 (*pdb_method)->name = "ldapsam_compat";
6229
6230 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6231 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6232
6233 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6234
6235 return NT_STATUS_OK;
6236 }
6237
6238 /**********************************************************************
6239 Initialise the normal mode for pdb_ldap
6240 *********************************************************************/
6241
6242 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6243 {
6244 NTSTATUS nt_status;
6245 struct ldapsam_privates *ldap_state = NULL;
6246 uint32 alg_rid_base;
6247 char *alg_rid_base_string = NULL;
6248 LDAPMessage *result = NULL;
6249 LDAPMessage *entry = NULL;
6250 DOM_SID ldap_domain_sid;
6251 DOM_SID secrets_domain_sid;
6252 char *domain_sid_string = NULL;
6253 char *dn = NULL;
6254 char *uri = talloc_strdup( NULL, location );
6255
6256 trim_char( uri, '\"', '\"' );
6257 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6258 if (uri) {
6259 TALLOC_FREE(uri);
6260 }
6261
6262 if (!NT_STATUS_IS_OK(nt_status)) {
6263 return nt_status;
6264 }
6265
6266 (*pdb_method)->name = "ldapsam";
6267
6268 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6269 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6270 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6271 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6272 (*pdb_method)->search_users = ldapsam_search_users;
6273 (*pdb_method)->search_groups = ldapsam_search_groups;
6274 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6275
6276 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6277 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6278 (*pdb_method)->enum_group_memberships =
6279 ldapsam_enum_group_memberships;
6280 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6281 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6282
6283 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6284 (*pdb_method)->create_user = ldapsam_create_user;
6285 (*pdb_method)->delete_user = ldapsam_delete_user;
6286 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6287 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6288 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6289 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6290 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6291 }
6292 }
6293
6294 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6295 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6296
6297 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6298
6299 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6300 &result,
6301 ldap_state->domain_name, True);
6302
6303 if ( !NT_STATUS_IS_OK(nt_status) ) {
6304 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6305 "info, nor add one to the domain\n"));
6306 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6307 "will be unable to allocate new users/groups, "
6308 "and will risk BDCs having inconsistant SIDs\n"));
6309 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6310 return NT_STATUS_OK;
6311 }
6312
6313 /* Given that the above might fail, everything below this must be
6314 * optional */
6315
6316 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6317 result);
6318 if (!entry) {
6319 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6320 "entry\n"));
6321 ldap_msgfree(result);
6322 return NT_STATUS_UNSUCCESSFUL;
6323 }
6324
6325 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6326 if (!dn) {
6327 ldap_msgfree(result);
6328 return NT_STATUS_UNSUCCESSFUL;
6329 }
6330
6331 ldap_state->domain_dn = smb_xstrdup(dn);
6332 TALLOC_FREE(dn);
6333
6334 domain_sid_string = smbldap_talloc_single_attribute(
6335 ldap_state->smbldap_state->ldap_struct,
6336 entry,
6337 get_userattr_key2string(ldap_state->schema_ver,
6338 LDAP_ATTR_USER_SID),
6339 talloc_tos());
6340
6341 if (domain_sid_string) {
6342 bool found_sid;
6343 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6344 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6345 "read as a valid SID\n", domain_sid_string));
6346 ldap_msgfree(result);
6347 TALLOC_FREE(domain_sid_string);
6348 return NT_STATUS_INVALID_PARAMETER;
6349 }
6350 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6351 &secrets_domain_sid);
6352 if (!found_sid || !sid_equal(&secrets_domain_sid,
6353 &ldap_domain_sid)) {
6354 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6355 "%s based on pdb_ldap results %s -> %s\n",
6356 ldap_state->domain_name,
6357 sid_string_dbg(&secrets_domain_sid),
6358 sid_string_dbg(&ldap_domain_sid)));
6359
6360 /* reset secrets.tdb sid */
6361 secrets_store_domain_sid(ldap_state->domain_name,
6362 &ldap_domain_sid);
6363 DEBUG(1, ("New global sam SID: %s\n",
6364 sid_string_dbg(get_global_sam_sid())));
6365 }
6366 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6367 TALLOC_FREE(domain_sid_string);
6368 }
6369
6370 alg_rid_base_string = smbldap_talloc_single_attribute(
6371 ldap_state->smbldap_state->ldap_struct,
6372 entry,
6373 get_attr_key2string( dominfo_attr_list,
6374 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6375 talloc_tos());
6376 if (alg_rid_base_string) {
6377 alg_rid_base = (uint32)atol(alg_rid_base_string);
6378 if (alg_rid_base != algorithmic_rid_base()) {
6379 DEBUG(0, ("The value of 'algorithmic RID base' has "
6380 "changed since the LDAP\n"
6381 "database was initialised. Aborting. \n"));
6382 ldap_msgfree(result);
6383 TALLOC_FREE(alg_rid_base_string);
6384 return NT_STATUS_UNSUCCESSFUL;
6385 }
6386 TALLOC_FREE(alg_rid_base_string);
6387 }
6388 ldap_msgfree(result);
6389
6390 return NT_STATUS_OK;
6391 }
6392
6393 NTSTATUS pdb_ldap_init(void)
6394 {
6395 NTSTATUS nt_status;
6396 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6397 return nt_status;
6398
6399 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6400 return nt_status;
6401
6402 /* Let pdb_nds register backends */
6403 pdb_nds_init();
6404
6405 return NT_STATUS_OK;
6406 }
aatanasov's samba4 branch