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s3:pdb_ldap: optimize ldapsam_alias_memberships() and cache ldap searches.
[Samba/nascimento.git] / source3 / passdb / pdb_ldap.c
blob224e8687fce05faba220067e8638e175bb8e6085
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_first_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 (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
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 pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN);
920 if (pwhist == 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 struct passwd unix_pw;
1033 bool have_uid = false;
1034 bool have_gid = false;
1035 DOM_SID mapped_gsid;
1036 const DOM_SID *primary_gsid;
1037
1038 ZERO_STRUCT(unix_pw);
1039
1040 unix_pw.pw_name = username;
1041 unix_pw.pw_passwd = discard_const_p(char, "x");
1042
1043 temp = smbldap_talloc_single_attribute(
1044 priv2ld(ldap_state),
1045 entry,
1046 "uidNumber",
1047 ctx);
1048 if (temp) {
1049 /* We've got a uid, feed the cache */
1050 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1051 have_uid = true;
1052 }
1053 temp = smbldap_talloc_single_attribute(
1054 priv2ld(ldap_state),
1055 entry,
1056 "gidNumber",
1057 ctx);
1058 if (temp) {
1059 /* We've got a uid, feed the cache */
1060 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1061 have_gid = true;
1062 }
1063 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1064 priv2ld(ldap_state),
1065 entry,
1066 "gecos",
1067 ctx);
1068 if (unix_pw.pw_gecos) {
1069 unix_pw.pw_gecos = fullname;
1070 }
1071 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1072 priv2ld(ldap_state),
1073 entry,
1074 "homeDirectory",
1075 ctx);
1076 if (unix_pw.pw_dir) {
1077 unix_pw.pw_dir = discard_const_p(char, "");
1078 }
1079 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1080 priv2ld(ldap_state),
1081 entry,
1082 "loginShell",
1083 ctx);
1084 if (unix_pw.pw_shell) {
1085 unix_pw.pw_shell = discard_const_p(char, "");
1086 }
1087
1088 if (have_uid && have_gid) {
1089 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1090 } else {
1091 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1092 }
1093
1094 if (sampass->unix_pw == NULL) {
1095 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1096 pdb_get_username(sampass)));
1097 goto fn_exit;
1098 }
1099
1100 store_uid_sid_cache(pdb_get_user_sid(sampass),
1101 sampass->unix_pw->pw_uid);
1102 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1103 sampass->unix_pw->pw_uid);
1104
1105 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1106 primary_gsid = pdb_get_group_sid(sampass);
1107 if (primary_gsid && sid_equal(primary_gsid, &mapped_gsid)) {
1108 store_gid_sid_cache(primary_gsid,
1109 sampass->unix_pw->pw_gid);
1110 idmap_cache_set_sid2uid(primary_gsid,
1111 sampass->unix_pw->pw_gid);
1112 }
1113 }
1114
1115 /* check the timestamp of the cache vs ldap entry */
1116 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1117 entry))) {
1118 ret = true;
1119 goto fn_exit;
1120 }
1121
1122 /* see if we have newer updates */
1123 if (!(cache_entry = login_cache_read(sampass))) {
1124 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1125 (unsigned int)pdb_get_bad_password_count(sampass),
1126 (unsigned int)pdb_get_bad_password_time(sampass)));
1127 ret = true;
1128 goto fn_exit;
1129 }
1130
1131 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1132 (unsigned int)ldap_entry_time,
1133 (unsigned int)cache_entry->entry_timestamp,
1134 (unsigned int)cache_entry->bad_password_time));
1135
1136 if (ldap_entry_time > cache_entry->entry_timestamp) {
1137 /* cache is older than directory , so
1138 we need to delete the entry but allow the
1139 fields to be written out */
1140 login_cache_delentry(sampass);
1141 } else {
1142 /* read cache in */
1143 pdb_set_acct_ctrl(sampass,
1144 pdb_get_acct_ctrl(sampass) |
1145 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1146 PDB_SET);
1147 pdb_set_bad_password_count(sampass,
1148 cache_entry->bad_password_count,
1149 PDB_SET);
1150 pdb_set_bad_password_time(sampass,
1151 cache_entry->bad_password_time,
1152 PDB_SET);
1153 }
1154
1155 ret = true;
1156
1157 fn_exit:
1158
1159 TALLOC_FREE(ctx);
1160 SAFE_FREE(cache_entry);
1161 return ret;
1162 }
1163
1164 /**********************************************************************
1165 Initialize the ldap db from a struct samu. Called on update.
1166 (Based on init_buffer_from_sam in pdb_tdb.c)
1167 *********************************************************************/
1168
1169 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1170 LDAPMessage *existing,
1171 LDAPMod *** mods, struct samu * sampass,
1172 bool (*need_update)(const struct samu *,
1173 enum pdb_elements))
1174 {
1175 char *temp = NULL;
1176 uint32 rid;
1177
1178 if (mods == NULL || sampass == NULL) {
1179 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1180 return False;
1181 }
1182
1183 *mods = NULL;
1184
1185 /*
1186 * took out adding "objectclass: sambaAccount"
1187 * do this on a per-mod basis
1188 */
1189 if (need_update(sampass, PDB_USERNAME)) {
1190 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1191 "uid", pdb_get_username(sampass));
1192 if (ldap_state->is_nds_ldap) {
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 "cn", pdb_get_username(sampass));
1195 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1196 "sn", pdb_get_username(sampass));
1197 }
1198 }
1199
1200 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1201
1202 /* only update the RID if we actually need to */
1203 if (need_update(sampass, PDB_USERSID)) {
1204 fstring sid_string;
1205 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1206
1207 switch ( ldap_state->schema_ver ) {
1208 case SCHEMAVER_SAMBAACCOUNT:
1209 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1210 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1211 sid_string_dbg(user_sid),
1212 sid_string_dbg(
1213 &ldap_state->domain_sid)));
1214 return False;
1215 }
1216 if (asprintf(&temp, "%i", rid) < 0) {
1217 return false;
1218 }
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1221 temp);
1222 SAFE_FREE(temp);
1223 break;
1224
1225 case SCHEMAVER_SAMBASAMACCOUNT:
1226 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1227 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1228 sid_to_fstring(sid_string, user_sid));
1229 break;
1230
1231 default:
1232 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1233 break;
1234 }
1235 }
1236
1237 /* we don't need to store the primary group RID - so leaving it
1238 'free' to hang off the unix primary group makes life easier */
1239
1240 if (need_update(sampass, PDB_GROUPSID)) {
1241 fstring sid_string;
1242 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1243
1244 switch ( ldap_state->schema_ver ) {
1245 case SCHEMAVER_SAMBAACCOUNT:
1246 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1247 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1248 sid_string_dbg(group_sid),
1249 sid_string_dbg(
1250 &ldap_state->domain_sid)));
1251 return False;
1252 }
1253
1254 if (asprintf(&temp, "%i", rid) < 0) {
1255 return false;
1256 }
1257 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver,
1259 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1260 SAFE_FREE(temp);
1261 break;
1262
1263 case SCHEMAVER_SAMBASAMACCOUNT:
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver,
1266 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1267 break;
1268
1269 default:
1270 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1271 break;
1272 }
1273
1274 }
1275
1276 /* displayName, cn, and gecos should all be the same
1277 * most easily accomplished by giving them the same OID
1278 * gecos isn't set here b/c it should be handled by the
1279 * add-user script
1280 * We change displayName only and fall back to cn if
1281 * it does not exist.
1282 */
1283
1284 if (need_update(sampass, PDB_FULLNAME))
1285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1287 pdb_get_fullname(sampass));
1288
1289 if (need_update(sampass, PDB_ACCTDESC))
1290 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1292 pdb_get_acct_desc(sampass));
1293
1294 if (need_update(sampass, PDB_WORKSTATIONS))
1295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1297 pdb_get_workstations(sampass));
1298
1299 if (need_update(sampass, PDB_MUNGEDDIAL))
1300 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1302 pdb_get_munged_dial(sampass));
1303
1304 if (need_update(sampass, PDB_SMBHOME))
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1307 pdb_get_homedir(sampass));
1308
1309 if (need_update(sampass, PDB_DRIVE))
1310 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1311 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1312 pdb_get_dir_drive(sampass));
1313
1314 if (need_update(sampass, PDB_LOGONSCRIPT))
1315 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1316 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1317 pdb_get_logon_script(sampass));
1318
1319 if (need_update(sampass, PDB_PROFILE))
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1322 pdb_get_profile_path(sampass));
1323
1324 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1325 return false;
1326 }
1327 if (need_update(sampass, PDB_LOGONTIME))
1328 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1329 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1330 SAFE_FREE(temp);
1331
1332 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1333 return false;
1334 }
1335 if (need_update(sampass, PDB_LOGOFFTIME))
1336 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1337 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1338 SAFE_FREE(temp);
1339
1340 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1341 return false;
1342 }
1343 if (need_update(sampass, PDB_KICKOFFTIME))
1344 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1345 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1346 SAFE_FREE(temp);
1347
1348 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1349 return false;
1350 }
1351 if (need_update(sampass, PDB_CANCHANGETIME))
1352 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1353 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1354 SAFE_FREE(temp);
1355
1356 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1357 return false;
1358 }
1359 if (need_update(sampass, PDB_MUSTCHANGETIME))
1360 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1361 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1362 SAFE_FREE(temp);
1363
1364 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1365 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1366
1367 if (need_update(sampass, PDB_LMPASSWD)) {
1368 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1369 if (lm_pw) {
1370 char pwstr[34];
1371 pdb_sethexpwd(pwstr, lm_pw,
1372 pdb_get_acct_ctrl(sampass));
1373 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1374 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1375 pwstr);
1376 } else {
1377 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1378 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1379 NULL);
1380 }
1381 }
1382 if (need_update(sampass, PDB_NTPASSWD)) {
1383 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1384 if (nt_pw) {
1385 char pwstr[34];
1386 pdb_sethexpwd(pwstr, nt_pw,
1387 pdb_get_acct_ctrl(sampass));
1388 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1389 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1390 pwstr);
1391 } else {
1392 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1393 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1394 NULL);
1395 }
1396 }
1397
1398 if (need_update(sampass, PDB_PWHISTORY)) {
1399 char *pwstr = NULL;
1400 uint32 pwHistLen = 0;
1401 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1402
1403 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1404 if (!pwstr) {
1405 return false;
1406 }
1407 if (pwHistLen == 0) {
1408 /* Remove any password history from the LDAP store. */
1409 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1410 pwstr[64] = '\0';
1411 } else {
1412 int i;
1413 uint32 currHistLen = 0;
1414 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1415 if (pwhist != NULL) {
1416 /* We can only store (1024-1/64 password history entries. */
1417 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1418 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1419 /* Store the salt. */
1420 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1421 /* Followed by the md5 hash of salt + md4 hash */
1422 pdb_sethexpwd(&pwstr[(i*64)+32],
1423 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1424 DEBUG(100, ("pwstr=%s\n", pwstr));
1425 }
1426 }
1427 }
1428 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1429 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1430 pwstr);
1431 SAFE_FREE(pwstr);
1432 }
1433
1434 if (need_update(sampass, PDB_PASSLASTSET)) {
1435 if (asprintf(&temp, "%li",
1436 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1437 return false;
1438 }
1439 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1440 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1441 temp);
1442 SAFE_FREE(temp);
1443 }
1444 }
1445
1446 if (need_update(sampass, PDB_HOURS)) {
1447 const uint8 *hours = pdb_get_hours(sampass);
1448 if (hours) {
1449 char hourstr[44];
1450 pdb_sethexhours(hourstr, hours);
1451 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1452 existing,
1453 mods,
1454 get_userattr_key2string(ldap_state->schema_ver,
1455 LDAP_ATTR_LOGON_HOURS),
1456 hourstr);
1457 }
1458 }
1459
1460 if (need_update(sampass, PDB_ACCTCTRL))
1461 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1462 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1463 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1464
1465 /* password lockout cache:
1466 - If we are now autolocking or clearing, we write to ldap
1467 - If we are clearing, we delete the cache entry
1468 - If the count is > 0, we update the cache
1469
1470 This even means when autolocking, we cache, just in case the
1471 update doesn't work, and we have to cache the autolock flag */
1472
1473 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1474 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1475 uint16 badcount = pdb_get_bad_password_count(sampass);
1476 time_t badtime = pdb_get_bad_password_time(sampass);
1477 uint32 pol;
1478 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1479
1480 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1481 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1482
1483 if ((badcount >= pol) || (badcount == 0)) {
1484 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1485 (unsigned int)badcount, (unsigned int)badtime));
1486 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1487 return false;
1488 }
1489 smbldap_make_mod(
1490 ldap_state->smbldap_state->ldap_struct,
1491 existing, mods,
1492 get_userattr_key2string(
1493 ldap_state->schema_ver,
1494 LDAP_ATTR_BAD_PASSWORD_COUNT),
1495 temp);
1496 SAFE_FREE(temp);
1497
1498 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1499 return false;
1500 }
1501 smbldap_make_mod(
1502 ldap_state->smbldap_state->ldap_struct,
1503 existing, mods,
1504 get_userattr_key2string(
1505 ldap_state->schema_ver,
1506 LDAP_ATTR_BAD_PASSWORD_TIME),
1507 temp);
1508 SAFE_FREE(temp);
1509 }
1510 if (badcount == 0) {
1511 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1512 login_cache_delentry(sampass);
1513 } else {
1514 LOGIN_CACHE cache_entry;
1515
1516 cache_entry.entry_timestamp = time(NULL);
1517 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1518 cache_entry.bad_password_count = badcount;
1519 cache_entry.bad_password_time = badtime;
1520
1521 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1522 login_cache_write(sampass, cache_entry);
1523 }
1524 }
1525
1526 return True;
1527 }
1528
1529 /**********************************************************************
1530 End enumeration of the LDAP password list.
1531 *********************************************************************/
1532
1533 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1534 {
1535 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1536 if (ldap_state->result) {
1537 ldap_msgfree(ldap_state->result);
1538 ldap_state->result = NULL;
1539 }
1540 }
1541
1542 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1543 const char *new_attr)
1544 {
1545 int i;
1546
1547 if (new_attr == NULL) {
1548 return;
1549 }
1550
1551 for (i=0; (*attr_list)[i] != NULL; i++) {
1552 ;
1553 }
1554
1555 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1556 const char *, i+2);
1557 SMB_ASSERT((*attr_list) != NULL);
1558 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1559 (*attr_list)[i+1] = NULL;
1560 }
1561
1562 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1563 const char ***attr_list)
1564 {
1565 append_attr(mem_ctx, attr_list, "uidNumber");
1566 append_attr(mem_ctx, attr_list, "gidNumber");
1567 append_attr(mem_ctx, attr_list, "homeDirectory");
1568 append_attr(mem_ctx, attr_list, "loginShell");
1569 append_attr(mem_ctx, attr_list, "gecos");
1570 }
1571
1572 /**********************************************************************
1573 Get struct samu entry from LDAP by username.
1574 *********************************************************************/
1575
1576 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1577 {
1578 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1579 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1580 LDAPMessage *result = NULL;
1581 LDAPMessage *entry = NULL;
1582 int count;
1583 const char ** attr_list;
1584 int rc;
1585
1586 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1587 append_attr(user, &attr_list,
1588 get_userattr_key2string(ldap_state->schema_ver,
1589 LDAP_ATTR_MOD_TIMESTAMP));
1590 ldapsam_add_unix_attributes(user, &attr_list);
1591 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1592 attr_list);
1593 TALLOC_FREE( attr_list );
1594
1595 if ( rc != LDAP_SUCCESS )
1596 return NT_STATUS_NO_SUCH_USER;
1597
1598 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1599
1600 if (count < 1) {
1601 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1602 ldap_msgfree(result);
1603 return NT_STATUS_NO_SUCH_USER;
1604 } else if (count > 1) {
1605 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1606 ldap_msgfree(result);
1607 return NT_STATUS_NO_SUCH_USER;
1608 }
1609
1610 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1611 if (entry) {
1612 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1613 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 }
1617 pdb_set_backend_private_data(user, result, NULL,
1618 my_methods, PDB_CHANGED);
1619 talloc_autofree_ldapmsg(user, result);
1620 ret = NT_STATUS_OK;
1621 } else {
1622 ldap_msgfree(result);
1623 }
1624 return ret;
1625 }
1626
1627 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1628 const DOM_SID *sid, LDAPMessage **result)
1629 {
1630 int rc = -1;
1631 const char ** attr_list;
1632 uint32 rid;
1633
1634 switch ( ldap_state->schema_ver ) {
1635 case SCHEMAVER_SAMBASAMACCOUNT: {
1636 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1637 if (tmp_ctx == NULL) {
1638 return LDAP_NO_MEMORY;
1639 }
1640
1641 attr_list = get_userattr_list(tmp_ctx,
1642 ldap_state->schema_ver);
1643 append_attr(tmp_ctx, &attr_list,
1644 get_userattr_key2string(
1645 ldap_state->schema_ver,
1646 LDAP_ATTR_MOD_TIMESTAMP));
1647 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1648 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1649 result, attr_list);
1650 TALLOC_FREE(tmp_ctx);
1651
1652 if ( rc != LDAP_SUCCESS )
1653 return rc;
1654 break;
1655 }
1656
1657 case SCHEMAVER_SAMBAACCOUNT:
1658 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1659 return rc;
1660 }
1661
1662 attr_list = get_userattr_list(NULL,
1663 ldap_state->schema_ver);
1664 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1665 TALLOC_FREE( attr_list );
1666
1667 if ( rc != LDAP_SUCCESS )
1668 return rc;
1669 break;
1670 }
1671 return rc;
1672 }
1673
1674 /**********************************************************************
1675 Get struct samu entry from LDAP by SID.
1676 *********************************************************************/
1677
1678 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1679 {
1680 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1681 LDAPMessage *result = NULL;
1682 LDAPMessage *entry = NULL;
1683 int count;
1684 int rc;
1685
1686 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1687 sid, &result);
1688 if (rc != LDAP_SUCCESS)
1689 return NT_STATUS_NO_SUCH_USER;
1690
1691 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1692
1693 if (count < 1) {
1694 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1695 "count=%d\n", sid_string_dbg(sid), count));
1696 ldap_msgfree(result);
1697 return NT_STATUS_NO_SUCH_USER;
1698 } else if (count > 1) {
1699 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1700 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1701 count));
1702 ldap_msgfree(result);
1703 return NT_STATUS_NO_SUCH_USER;
1704 }
1705
1706 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1707 if (!entry) {
1708 ldap_msgfree(result);
1709 return NT_STATUS_NO_SUCH_USER;
1710 }
1711
1712 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1713 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1714 ldap_msgfree(result);
1715 return NT_STATUS_NO_SUCH_USER;
1716 }
1717
1718 pdb_set_backend_private_data(user, result, NULL,
1719 my_methods, PDB_CHANGED);
1720 talloc_autofree_ldapmsg(user, result);
1721 return NT_STATUS_OK;
1722 }
1723
1724 /********************************************************************
1725 Do the actual modification - also change a plaintext passord if
1726 it it set.
1727 **********************************************************************/
1728
1729 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1730 struct samu *newpwd, char *dn,
1731 LDAPMod **mods, int ldap_op,
1732 bool (*need_update)(const struct samu *, enum pdb_elements))
1733 {
1734 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1735 int rc;
1736
1737 if (!newpwd || !dn) {
1738 return NT_STATUS_INVALID_PARAMETER;
1739 }
1740
1741 if (!mods) {
1742 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1743 /* may be password change below however */
1744 } else {
1745 switch(ldap_op) {
1746 case LDAP_MOD_ADD:
1747 if (ldap_state->is_nds_ldap) {
1748 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1749 "objectclass",
1750 "inetOrgPerson");
1751 } else {
1752 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1753 "objectclass",
1754 LDAP_OBJ_ACCOUNT);
1755 }
1756 rc = smbldap_add(ldap_state->smbldap_state,
1757 dn, mods);
1758 break;
1759 case LDAP_MOD_REPLACE:
1760 rc = smbldap_modify(ldap_state->smbldap_state,
1761 dn ,mods);
1762 break;
1763 default:
1764 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1765 ldap_op));
1766 return NT_STATUS_INVALID_PARAMETER;
1767 }
1768
1769 if (rc!=LDAP_SUCCESS) {
1770 return NT_STATUS_UNSUCCESSFUL;
1771 }
1772 }
1773
1774 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1775 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1776 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1777 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1778 BerElement *ber;
1779 struct berval *bv;
1780 char *retoid = NULL;
1781 struct berval *retdata = NULL;
1782 char *utf8_password;
1783 char *utf8_dn;
1784 size_t converted_size;
1785 int ret;
1786
1787 if (!ldap_state->is_nds_ldap) {
1788
1789 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1790 LDAP_EXOP_MODIFY_PASSWD)) {
1791 DEBUG(2, ("ldap password change requested, but LDAP "
1792 "server does not support it -- ignoring\n"));
1793 return NT_STATUS_OK;
1794 }
1795 }
1796
1797 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1798 pdb_get_plaintext_passwd(newpwd),
1799 &converted_size))
1800 {
1801 return NT_STATUS_NO_MEMORY;
1802 }
1803
1804 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1805 TALLOC_FREE(utf8_password);
1806 return NT_STATUS_NO_MEMORY;
1807 }
1808
1809 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1810 DEBUG(0,("ber_alloc_t returns NULL\n"));
1811 TALLOC_FREE(utf8_password);
1812 TALLOC_FREE(utf8_dn);
1813 return NT_STATUS_UNSUCCESSFUL;
1814 }
1815
1816 if ((ber_printf (ber, "{") < 0) ||
1817 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1818 utf8_dn) < 0)) {
1819 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1820 "value <0\n"));
1821 ber_free(ber,1);
1822 TALLOC_FREE(utf8_dn);
1823 TALLOC_FREE(utf8_password);
1824 return NT_STATUS_UNSUCCESSFUL;
1825 }
1826
1827 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1828 ret = ber_printf(ber, "ts}",
1829 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1830 utf8_password);
1831 } else {
1832 ret = ber_printf(ber, "}");
1833 }
1834
1835 if (ret < 0) {
1836 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1837 "value <0\n"));
1838 ber_free(ber,1);
1839 TALLOC_FREE(utf8_dn);
1840 TALLOC_FREE(utf8_password);
1841 return NT_STATUS_UNSUCCESSFUL;
1842 }
1843
1844 if ((rc = ber_flatten (ber, &bv))<0) {
1845 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1846 ber_free(ber,1);
1847 TALLOC_FREE(utf8_dn);
1848 TALLOC_FREE(utf8_password);
1849 return NT_STATUS_UNSUCCESSFUL;
1850 }
1851
1852 TALLOC_FREE(utf8_dn);
1853 TALLOC_FREE(utf8_password);
1854 ber_free(ber, 1);
1855
1856 if (!ldap_state->is_nds_ldap) {
1857 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1858 LDAP_EXOP_MODIFY_PASSWD,
1859 bv, NULL, NULL, &retoid,
1860 &retdata);
1861 } else {
1862 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1863 pdb_get_plaintext_passwd(newpwd));
1864 }
1865 if (rc != LDAP_SUCCESS) {
1866 char *ld_error = NULL;
1867
1868 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1869 DEBUG(3, ("Could not set userPassword "
1870 "attribute due to an objectClass "
1871 "violation -- ignoring\n"));
1872 ber_bvfree(bv);
1873 return NT_STATUS_OK;
1874 }
1875
1876 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1877 &ld_error);
1878 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1879 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1880 SAFE_FREE(ld_error);
1881 ber_bvfree(bv);
1882 #if defined(LDAP_CONSTRAINT_VIOLATION)
1883 if (rc == LDAP_CONSTRAINT_VIOLATION)
1884 return NT_STATUS_PASSWORD_RESTRICTION;
1885 #endif
1886 return NT_STATUS_UNSUCCESSFUL;
1887 } else {
1888 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1889 #ifdef DEBUG_PASSWORD
1890 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1891 #endif
1892 if (retdata)
1893 ber_bvfree(retdata);
1894 if (retoid)
1895 ldap_memfree(retoid);
1896 }
1897 ber_bvfree(bv);
1898 }
1899 return NT_STATUS_OK;
1900 }
1901
1902 /**********************************************************************
1903 Delete entry from LDAP for username.
1904 *********************************************************************/
1905
1906 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1907 struct samu * sam_acct)
1908 {
1909 struct ldapsam_privates *priv =
1910 (struct ldapsam_privates *)my_methods->private_data;
1911 const char *sname;
1912 int rc;
1913 LDAPMessage *msg, *entry;
1914 NTSTATUS result = NT_STATUS_NO_MEMORY;
1915 const char **attr_list;
1916 TALLOC_CTX *mem_ctx;
1917
1918 if (!sam_acct) {
1919 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1920 return NT_STATUS_INVALID_PARAMETER;
1921 }
1922
1923 sname = pdb_get_username(sam_acct);
1924
1925 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1926 "LDAP.\n", sname));
1927
1928 mem_ctx = talloc_new(NULL);
1929 if (mem_ctx == NULL) {
1930 DEBUG(0, ("talloc_new failed\n"));
1931 goto done;
1932 }
1933
1934 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1935 if (attr_list == NULL) {
1936 goto done;
1937 }
1938
1939 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1940
1941 if ((rc != LDAP_SUCCESS) ||
1942 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1943 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1944 DEBUG(5, ("Could not find user %s\n", sname));
1945 result = NT_STATUS_NO_SUCH_USER;
1946 goto done;
1947 }
1948
1949 rc = ldapsam_delete_entry(
1950 priv, mem_ctx, entry,
1951 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1952 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1953 attr_list);
1954
1955 result = (rc == LDAP_SUCCESS) ?
1956 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1957
1958 done:
1959 TALLOC_FREE(mem_ctx);
1960 return result;
1961 }
1962
1963 /**********************************************************************
1964 Helper function to determine for update_sam_account whether
1965 we need LDAP modification.
1966 *********************************************************************/
1967
1968 static bool element_is_changed(const struct samu *sampass,
1969 enum pdb_elements element)
1970 {
1971 return IS_SAM_CHANGED(sampass, element);
1972 }
1973
1974 /**********************************************************************
1975 Update struct samu.
1976 *********************************************************************/
1977
1978 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1979 {
1980 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1981 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1982 int rc = 0;
1983 char *dn;
1984 LDAPMessage *result = NULL;
1985 LDAPMessage *entry = NULL;
1986 LDAPMod **mods = NULL;
1987 const char **attr_list;
1988
1989 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1990 if (!result) {
1991 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1992 if (pdb_get_username(newpwd) == NULL) {
1993 return NT_STATUS_INVALID_PARAMETER;
1994 }
1995 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1996 TALLOC_FREE( attr_list );
1997 if (rc != LDAP_SUCCESS) {
1998 return NT_STATUS_UNSUCCESSFUL;
1999 }
2000 pdb_set_backend_private_data(newpwd, result, NULL,
2001 my_methods, PDB_CHANGED);
2002 talloc_autofree_ldapmsg(newpwd, result);
2003 }
2004
2005 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2006 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2007 return NT_STATUS_UNSUCCESSFUL;
2008 }
2009
2010 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2011 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2012 if (!dn) {
2013 return NT_STATUS_UNSUCCESSFUL;
2014 }
2015
2016 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2017
2018 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2019 element_is_changed)) {
2020 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2021 TALLOC_FREE(dn);
2022 if (mods != NULL)
2023 ldap_mods_free(mods,True);
2024 return NT_STATUS_UNSUCCESSFUL;
2025 }
2026
2027 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2028 && (mods == NULL)) {
2029 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2030 pdb_get_username(newpwd)));
2031 TALLOC_FREE(dn);
2032 return NT_STATUS_OK;
2033 }
2034
2035 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2036
2037 if (mods != NULL) {
2038 ldap_mods_free(mods,True);
2039 }
2040
2041 TALLOC_FREE(dn);
2042
2043 /*
2044 * We need to set the backend private data to NULL here. For example
2045 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2046 * same one, and with the explicit delete / add logic for attribute
2047 * values the second time we would use the wrong "old" value which
2048 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2049 * the update.
2050 * The existing LDAPMessage is still being auto-freed by the
2051 * destructor.
2052 */
2053 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2054 PDB_CHANGED);
2055
2056 if (!NT_STATUS_IS_OK(ret)) {
2057 return ret;
2058 }
2059
2060 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2061 pdb_get_username(newpwd)));
2062 return NT_STATUS_OK;
2063 }
2064
2065 /***************************************************************************
2066 Renames a struct samu
2067 - The "rename user script" has full responsibility for changing everything
2068 ***************************************************************************/
2069
2070 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2071 TALLOC_CTX *tmp_ctx,
2072 uint32 group_rid,
2073 uint32 member_rid);
2074
2075 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2076 TALLOC_CTX *mem_ctx,
2077 struct samu *user,
2078 DOM_SID **pp_sids,
2079 gid_t **pp_gids,
2080 size_t *p_num_groups);
2081
2082 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2083 struct samu *old_acct,
2084 const char *newname)
2085 {
2086 const char *oldname;
2087 int rc;
2088 char *rename_script = NULL;
2089 fstring oldname_lower, newname_lower;
2090
2091 if (!old_acct) {
2092 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2093 return NT_STATUS_INVALID_PARAMETER;
2094 }
2095 if (!newname) {
2096 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2097 return NT_STATUS_INVALID_PARAMETER;
2098 }
2099
2100 oldname = pdb_get_username(old_acct);
2101
2102 /* rename the posix user */
2103 rename_script = SMB_STRDUP(lp_renameuser_script());
2104 if (rename_script == NULL) {
2105 return NT_STATUS_NO_MEMORY;
2106 }
2107
2108 if (!(*rename_script)) {
2109 SAFE_FREE(rename_script);
2110 return NT_STATUS_ACCESS_DENIED;
2111 }
2112
2113 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2114 oldname, newname));
2115
2116 /* We have to allow the account name to end with a '$'.
2117 Also, follow the semantics in _samr_create_user() and lower case the
2118 posix name but preserve the case in passdb */
2119
2120 fstrcpy( oldname_lower, oldname );
2121 strlower_m( oldname_lower );
2122 fstrcpy( newname_lower, newname );
2123 strlower_m( newname_lower );
2124 rename_script = realloc_string_sub2(rename_script,
2125 "%unew",
2126 newname_lower,
2127 true,
2128 true);
2129 if (!rename_script) {
2130 return NT_STATUS_NO_MEMORY;
2131 }
2132 rename_script = realloc_string_sub2(rename_script,
2133 "%uold",
2134 oldname_lower,
2135 true,
2136 true);
2137 rc = smbrun(rename_script, NULL);
2138
2139 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2140 rename_script, rc));
2141
2142 SAFE_FREE(rename_script);
2143
2144 if (rc == 0) {
2145 smb_nscd_flush_user_cache();
2146 }
2147
2148 if (rc)
2149 return NT_STATUS_UNSUCCESSFUL;
2150
2151 return NT_STATUS_OK;
2152 }
2153
2154 /**********************************************************************
2155 Helper function to determine for update_sam_account whether
2156 we need LDAP modification.
2157 *********************************************************************/
2158
2159 static bool element_is_set_or_changed(const struct samu *sampass,
2160 enum pdb_elements element)
2161 {
2162 return (IS_SAM_SET(sampass, element) ||
2163 IS_SAM_CHANGED(sampass, element));
2164 }
2165
2166 /**********************************************************************
2167 Add struct samu to LDAP.
2168 *********************************************************************/
2169
2170 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2171 {
2172 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2173 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2174 int rc;
2175 LDAPMessage *result = NULL;
2176 LDAPMessage *entry = NULL;
2177 LDAPMod **mods = NULL;
2178 int ldap_op = LDAP_MOD_REPLACE;
2179 uint32 num_result;
2180 const char **attr_list;
2181 char *escape_user = NULL;
2182 const char *username = pdb_get_username(newpwd);
2183 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2184 char *filter = NULL;
2185 char *dn = NULL;
2186 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2187 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2188
2189 if (!ctx) {
2190 return NT_STATUS_NO_MEMORY;
2191 }
2192
2193 if (!username || !*username) {
2194 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2195 status = NT_STATUS_INVALID_PARAMETER;
2196 goto fn_exit;
2197 }
2198
2199 /* free this list after the second search or in case we exit on failure */
2200 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2201
2202 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2203
2204 if (rc != LDAP_SUCCESS) {
2205 goto fn_exit;
2206 }
2207
2208 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2209 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2210 username));
2211 goto fn_exit;
2212 }
2213 ldap_msgfree(result);
2214 result = NULL;
2215
2216 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2217 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2218 sid, &result);
2219 if (rc == LDAP_SUCCESS) {
2220 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2221 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2222 "already in the base, with samba "
2223 "attributes\n", sid_string_dbg(sid)));
2224 goto fn_exit;
2225 }
2226 ldap_msgfree(result);
2227 result = NULL;
2228 }
2229 }
2230
2231 /* does the entry already exist but without a samba attributes?
2232 we need to return the samba attributes here */
2233
2234 escape_user = escape_ldap_string(talloc_tos(), username);
2235 filter = talloc_strdup(attr_list, "(uid=%u)");
2236 if (!filter) {
2237 status = NT_STATUS_NO_MEMORY;
2238 goto fn_exit;
2239 }
2240 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2241 TALLOC_FREE(escape_user);
2242 if (!filter) {
2243 status = NT_STATUS_NO_MEMORY;
2244 goto fn_exit;
2245 }
2246
2247 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2248 filter, attr_list, &result);
2249 if ( rc != LDAP_SUCCESS ) {
2250 goto fn_exit;
2251 }
2252
2253 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2254
2255 if (num_result > 1) {
2256 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2257 goto fn_exit;
2258 }
2259
2260 /* Check if we need to update an existing entry */
2261 if (num_result == 1) {
2262 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2263 ldap_op = LDAP_MOD_REPLACE;
2264 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2265 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2266 if (!dn) {
2267 status = NT_STATUS_NO_MEMORY;
2268 goto fn_exit;
2269 }
2270
2271 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2272
2273 /* There might be a SID for this account already - say an idmap entry */
2274
2275 filter = talloc_asprintf(ctx,
2276 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2277 get_userattr_key2string(ldap_state->schema_ver,
2278 LDAP_ATTR_USER_SID),
2279 sid_string_talloc(ctx, sid),
2280 LDAP_OBJ_IDMAP_ENTRY,
2281 LDAP_OBJ_SID_ENTRY);
2282 if (!filter) {
2283 status = NT_STATUS_NO_MEMORY;
2284 goto fn_exit;
2285 }
2286
2287 /* free old result before doing a new search */
2288 if (result != NULL) {
2289 ldap_msgfree(result);
2290 result = NULL;
2291 }
2292 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2293 filter, attr_list, &result);
2294
2295 if ( rc != LDAP_SUCCESS ) {
2296 goto fn_exit;
2297 }
2298
2299 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2300
2301 if (num_result > 1) {
2302 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2303 goto fn_exit;
2304 }
2305
2306 /* Check if we need to update an existing entry */
2307 if (num_result == 1) {
2308
2309 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2310 ldap_op = LDAP_MOD_REPLACE;
2311 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2312 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2313 if (!dn) {
2314 status = NT_STATUS_NO_MEMORY;
2315 goto fn_exit;
2316 }
2317 }
2318 }
2319
2320 if (num_result == 0) {
2321 char *escape_username;
2322 /* Check if we need to add an entry */
2323 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2324 ldap_op = LDAP_MOD_ADD;
2325
2326 escape_username = escape_rdn_val_string_alloc(username);
2327 if (!escape_username) {
2328 status = NT_STATUS_NO_MEMORY;
2329 goto fn_exit;
2330 }
2331
2332 if (username[strlen(username)-1] == '$') {
2333 dn = talloc_asprintf(ctx,
2334 "uid=%s,%s",
2335 escape_username,
2336 lp_ldap_machine_suffix());
2337 } else {
2338 dn = talloc_asprintf(ctx,
2339 "uid=%s,%s",
2340 escape_username,
2341 lp_ldap_user_suffix());
2342 }
2343
2344 SAFE_FREE(escape_username);
2345 if (!dn) {
2346 status = NT_STATUS_NO_MEMORY;
2347 goto fn_exit;
2348 }
2349 }
2350
2351 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2352 element_is_set_or_changed)) {
2353 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2354 if (mods != NULL) {
2355 ldap_mods_free(mods, true);
2356 }
2357 goto fn_exit;
2358 }
2359
2360 if (mods == NULL) {
2361 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2362 goto fn_exit;
2363 }
2364 switch ( ldap_state->schema_ver ) {
2365 case SCHEMAVER_SAMBAACCOUNT:
2366 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2367 break;
2368 case SCHEMAVER_SAMBASAMACCOUNT:
2369 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2370 break;
2371 default:
2372 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2373 break;
2374 }
2375
2376 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2377 if (!NT_STATUS_IS_OK(ret)) {
2378 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2379 pdb_get_username(newpwd),dn));
2380 ldap_mods_free(mods, true);
2381 goto fn_exit;
2382 }
2383
2384 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2385 ldap_mods_free(mods, true);
2386
2387 status = NT_STATUS_OK;
2388
2389 fn_exit:
2390
2391 TALLOC_FREE(ctx);
2392 if (result) {
2393 ldap_msgfree(result);
2394 }
2395 return status;
2396 }
2397
2398 /**********************************************************************
2399 *********************************************************************/
2400
2401 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2402 const char *filter,
2403 LDAPMessage ** result)
2404 {
2405 int scope = LDAP_SCOPE_SUBTREE;
2406 int rc;
2407 const char **attr_list;
2408
2409 attr_list = get_attr_list(NULL, groupmap_attr_list);
2410 rc = smbldap_search(ldap_state->smbldap_state,
2411 lp_ldap_suffix (), scope,
2412 filter, attr_list, 0, result);
2413 TALLOC_FREE(attr_list);
2414
2415 return rc;
2416 }
2417
2418 /**********************************************************************
2419 *********************************************************************/
2420
2421 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2422 GROUP_MAP *map, LDAPMessage *entry)
2423 {
2424 char *temp = NULL;
2425 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2426
2427 if (ldap_state == NULL || map == NULL || entry == NULL ||
2428 ldap_state->smbldap_state->ldap_struct == NULL) {
2429 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2430 TALLOC_FREE(ctx);
2431 return false;
2432 }
2433
2434 temp = smbldap_talloc_single_attribute(
2435 ldap_state->smbldap_state->ldap_struct,
2436 entry,
2437 get_attr_key2string(groupmap_attr_list,
2438 LDAP_ATTR_GIDNUMBER),
2439 ctx);
2440 if (!temp) {
2441 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2442 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2443 TALLOC_FREE(ctx);
2444 return false;
2445 }
2446 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2447
2448 map->gid = (gid_t)atol(temp);
2449
2450 TALLOC_FREE(temp);
2451 temp = smbldap_talloc_single_attribute(
2452 ldap_state->smbldap_state->ldap_struct,
2453 entry,
2454 get_attr_key2string(groupmap_attr_list,
2455 LDAP_ATTR_GROUP_SID),
2456 ctx);
2457 if (!temp) {
2458 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2459 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2460 TALLOC_FREE(ctx);
2461 return false;
2462 }
2463
2464 if (!string_to_sid(&map->sid, temp)) {
2465 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2466 TALLOC_FREE(ctx);
2467 return false;
2468 }
2469
2470 TALLOC_FREE(temp);
2471 temp = smbldap_talloc_single_attribute(
2472 ldap_state->smbldap_state->ldap_struct,
2473 entry,
2474 get_attr_key2string(groupmap_attr_list,
2475 LDAP_ATTR_GROUP_TYPE),
2476 ctx);
2477 if (!temp) {
2478 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2479 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2480 TALLOC_FREE(ctx);
2481 return false;
2482 }
2483 map->sid_name_use = (enum lsa_SidType)atol(temp);
2484
2485 if ((map->sid_name_use < SID_NAME_USER) ||
2486 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2487 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2488 TALLOC_FREE(ctx);
2489 return false;
2490 }
2491
2492 TALLOC_FREE(temp);
2493 temp = smbldap_talloc_single_attribute(
2494 ldap_state->smbldap_state->ldap_struct,
2495 entry,
2496 get_attr_key2string(groupmap_attr_list,
2497 LDAP_ATTR_DISPLAY_NAME),
2498 ctx);
2499 if (!temp) {
2500 temp = smbldap_talloc_single_attribute(
2501 ldap_state->smbldap_state->ldap_struct,
2502 entry,
2503 get_attr_key2string(groupmap_attr_list,
2504 LDAP_ATTR_CN),
2505 ctx);
2506 if (!temp) {
2507 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2508 for gidNumber(%lu)\n",(unsigned long)map->gid));
2509 TALLOC_FREE(ctx);
2510 return false;
2511 }
2512 }
2513 fstrcpy(map->nt_name, temp);
2514
2515 TALLOC_FREE(temp);
2516 temp = smbldap_talloc_single_attribute(
2517 ldap_state->smbldap_state->ldap_struct,
2518 entry,
2519 get_attr_key2string(groupmap_attr_list,
2520 LDAP_ATTR_DESC),
2521 ctx);
2522 if (!temp) {
2523 temp = talloc_strdup(ctx, "");
2524 if (!temp) {
2525 TALLOC_FREE(ctx);
2526 return false;
2527 }
2528 }
2529 fstrcpy(map->comment, temp);
2530
2531 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2532 store_gid_sid_cache(&map->sid, map->gid);
2533 idmap_cache_set_sid2gid(&map->sid, map->gid);
2534 }
2535
2536 TALLOC_FREE(ctx);
2537 return true;
2538 }
2539
2540 /**********************************************************************
2541 *********************************************************************/
2542
2543 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2544 const char *filter,
2545 GROUP_MAP *map)
2546 {
2547 struct ldapsam_privates *ldap_state =
2548 (struct ldapsam_privates *)methods->private_data;
2549 LDAPMessage *result = NULL;
2550 LDAPMessage *entry = NULL;
2551 int count;
2552
2553 if (ldapsam_search_one_group(ldap_state, filter, &result)
2554 != LDAP_SUCCESS) {
2555 return NT_STATUS_NO_SUCH_GROUP;
2556 }
2557
2558 count = ldap_count_entries(priv2ld(ldap_state), result);
2559
2560 if (count < 1) {
2561 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2562 "%s\n", filter));
2563 ldap_msgfree(result);
2564 return NT_STATUS_NO_SUCH_GROUP;
2565 }
2566
2567 if (count > 1) {
2568 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2569 "count=%d\n", filter, count));
2570 ldap_msgfree(result);
2571 return NT_STATUS_NO_SUCH_GROUP;
2572 }
2573
2574 entry = ldap_first_entry(priv2ld(ldap_state), result);
2575
2576 if (!entry) {
2577 ldap_msgfree(result);
2578 return NT_STATUS_UNSUCCESSFUL;
2579 }
2580
2581 if (!init_group_from_ldap(ldap_state, map, entry)) {
2582 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2583 "group filter %s\n", filter));
2584 ldap_msgfree(result);
2585 return NT_STATUS_NO_SUCH_GROUP;
2586 }
2587
2588 ldap_msgfree(result);
2589 return NT_STATUS_OK;
2590 }
2591
2592 /**********************************************************************
2593 *********************************************************************/
2594
2595 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2596 DOM_SID sid)
2597 {
2598 char *filter = NULL;
2599 NTSTATUS status;
2600 fstring tmp;
2601
2602 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2603 LDAP_OBJ_GROUPMAP,
2604 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2605 sid_to_fstring(tmp, &sid)) < 0) {
2606 return NT_STATUS_NO_MEMORY;
2607 }
2608
2609 status = ldapsam_getgroup(methods, filter, map);
2610 SAFE_FREE(filter);
2611 return status;
2612 }
2613
2614 /**********************************************************************
2615 *********************************************************************/
2616
2617 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2618 gid_t gid)
2619 {
2620 char *filter = NULL;
2621 NTSTATUS status;
2622
2623 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2624 LDAP_OBJ_GROUPMAP,
2625 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2626 (unsigned long)gid) < 0) {
2627 return NT_STATUS_NO_MEMORY;
2628 }
2629
2630 status = ldapsam_getgroup(methods, filter, map);
2631 SAFE_FREE(filter);
2632 return status;
2633 }
2634
2635 /**********************************************************************
2636 *********************************************************************/
2637
2638 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2639 const char *name)
2640 {
2641 char *filter = NULL;
2642 char *escape_name = escape_ldap_string(talloc_tos(), name);
2643 NTSTATUS status;
2644
2645 if (!escape_name) {
2646 return NT_STATUS_NO_MEMORY;
2647 }
2648
2649 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2650 LDAP_OBJ_GROUPMAP,
2651 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2652 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2653 escape_name) < 0) {
2654 TALLOC_FREE(escape_name);
2655 return NT_STATUS_NO_MEMORY;
2656 }
2657
2658 TALLOC_FREE(escape_name);
2659 status = ldapsam_getgroup(methods, filter, map);
2660 SAFE_FREE(filter);
2661 return status;
2662 }
2663
2664 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2665 LDAPMessage *entry,
2666 const DOM_SID *domain_sid,
2667 uint32 *rid)
2668 {
2669 fstring str;
2670 DOM_SID sid;
2671
2672 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2673 str, sizeof(str)-1)) {
2674 DEBUG(10, ("Could not find sambaSID attribute\n"));
2675 return False;
2676 }
2677
2678 if (!string_to_sid(&sid, str)) {
2679 DEBUG(10, ("Could not convert string %s to sid\n", str));
2680 return False;
2681 }
2682
2683 if (sid_compare_domain(&sid, domain_sid) != 0) {
2684 DEBUG(10, ("SID %s is not in expected domain %s\n",
2685 str, sid_string_dbg(domain_sid)));
2686 return False;
2687 }
2688
2689 if (!sid_peek_rid(&sid, rid)) {
2690 DEBUG(10, ("Could not peek into RID\n"));
2691 return False;
2692 }
2693
2694 return True;
2695 }
2696
2697 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2698 TALLOC_CTX *mem_ctx,
2699 const DOM_SID *group,
2700 uint32 **pp_member_rids,
2701 size_t *p_num_members)
2702 {
2703 struct ldapsam_privates *ldap_state =
2704 (struct ldapsam_privates *)methods->private_data;
2705 struct smbldap_state *conn = ldap_state->smbldap_state;
2706 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2707 const char *sid_attrs[] = { "sambaSID", NULL };
2708 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2709 LDAPMessage *result = NULL;
2710 LDAPMessage *entry;
2711 char *filter;
2712 char **values = NULL;
2713 char **memberuid;
2714 char *gidstr;
2715 int rc, count;
2716
2717 *pp_member_rids = NULL;
2718 *p_num_members = 0;
2719
2720 filter = talloc_asprintf(mem_ctx,
2721 "(&(objectClass=%s)"
2722 "(objectClass=%s)"
2723 "(sambaSID=%s))",
2724 LDAP_OBJ_POSIXGROUP,
2725 LDAP_OBJ_GROUPMAP,
2726 sid_string_talloc(mem_ctx, group));
2727 if (filter == NULL) {
2728 ret = NT_STATUS_NO_MEMORY;
2729 goto done;
2730 }
2731
2732 rc = smbldap_search(conn, lp_ldap_suffix(),
2733 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2734 &result);
2735
2736 if (rc != LDAP_SUCCESS)
2737 goto done;
2738
2739 talloc_autofree_ldapmsg(mem_ctx, result);
2740
2741 count = ldap_count_entries(conn->ldap_struct, result);
2742
2743 if (count > 1) {
2744 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2745 sid_string_dbg(group)));
2746 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2747 goto done;
2748 }
2749
2750 if (count == 0) {
2751 ret = NT_STATUS_NO_SUCH_GROUP;
2752 goto done;
2753 }
2754
2755 entry = ldap_first_entry(conn->ldap_struct, result);
2756 if (entry == NULL)
2757 goto done;
2758
2759 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2760 if (!gidstr) {
2761 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2762 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2763 goto done;
2764 }
2765
2766 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2767
2768 if ((values != NULL) && (values[0] != NULL)) {
2769
2770 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2771 if (filter == NULL) {
2772 ret = NT_STATUS_NO_MEMORY;
2773 goto done;
2774 }
2775
2776 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2777 char *escape_memberuid;
2778
2779 escape_memberuid = escape_ldap_string(talloc_tos(),
2780 *memberuid);
2781 if (escape_memberuid == NULL) {
2782 ret = NT_STATUS_NO_MEMORY;
2783 goto done;
2784 }
2785
2786 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2787 TALLOC_FREE(escape_memberuid);
2788 if (filter == NULL) {
2789 ret = NT_STATUS_NO_MEMORY;
2790 goto done;
2791 }
2792 }
2793
2794 filter = talloc_asprintf_append_buffer(filter, "))");
2795 if (filter == NULL) {
2796 ret = NT_STATUS_NO_MEMORY;
2797 goto done;
2798 }
2799
2800 rc = smbldap_search(conn, lp_ldap_suffix(),
2801 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2802 &result);
2803
2804 if (rc != LDAP_SUCCESS)
2805 goto done;
2806
2807 count = ldap_count_entries(conn->ldap_struct, result);
2808 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2809
2810 talloc_autofree_ldapmsg(mem_ctx, result);
2811
2812 for (entry = ldap_first_entry(conn->ldap_struct, result);
2813 entry != NULL;
2814 entry = ldap_next_entry(conn->ldap_struct, entry))
2815 {
2816 char *sidstr;
2817 DOM_SID sid;
2818 uint32 rid;
2819
2820 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2821 entry, "sambaSID",
2822 mem_ctx);
2823 if (!sidstr) {
2824 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2825 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2826 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2827 goto done;
2828 }
2829
2830 if (!string_to_sid(&sid, sidstr))
2831 goto done;
2832
2833 if (!sid_check_is_in_our_domain(&sid)) {
2834 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2835 "in our domain\n"));
2836 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2837 goto done;
2838 }
2839
2840 sid_peek_rid(&sid, &rid);
2841
2842 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2843 p_num_members)) {
2844 ret = NT_STATUS_NO_MEMORY;
2845 goto done;
2846 }
2847 }
2848 }
2849
2850 filter = talloc_asprintf(mem_ctx,
2851 "(&(objectClass=%s)"
2852 "(gidNumber=%s))",
2853 LDAP_OBJ_SAMBASAMACCOUNT,
2854 gidstr);
2855
2856 rc = smbldap_search(conn, lp_ldap_suffix(),
2857 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2858 &result);
2859
2860 if (rc != LDAP_SUCCESS)
2861 goto done;
2862
2863 talloc_autofree_ldapmsg(mem_ctx, result);
2864
2865 for (entry = ldap_first_entry(conn->ldap_struct, result);
2866 entry != NULL;
2867 entry = ldap_next_entry(conn->ldap_struct, entry))
2868 {
2869 uint32 rid;
2870
2871 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2872 entry,
2873 get_global_sam_sid(),
2874 &rid)) {
2875 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2876 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2877 goto done;
2878 }
2879
2880 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2881 p_num_members)) {
2882 ret = NT_STATUS_NO_MEMORY;
2883 goto done;
2884 }
2885 }
2886
2887 ret = NT_STATUS_OK;
2888
2889 done:
2890
2891 if (values)
2892 ldap_value_free(values);
2893
2894 return ret;
2895 }
2896
2897 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2898 TALLOC_CTX *mem_ctx,
2899 struct samu *user,
2900 DOM_SID **pp_sids,
2901 gid_t **pp_gids,
2902 size_t *p_num_groups)
2903 {
2904 struct ldapsam_privates *ldap_state =
2905 (struct ldapsam_privates *)methods->private_data;
2906 struct smbldap_state *conn = ldap_state->smbldap_state;
2907 char *filter;
2908 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2909 char *escape_name;
2910 int rc, count;
2911 LDAPMessage *result = NULL;
2912 LDAPMessage *entry;
2913 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2914 size_t num_sids, num_gids;
2915 char *gidstr;
2916 gid_t primary_gid = -1;
2917
2918 *pp_sids = NULL;
2919 num_sids = 0;
2920
2921 if (pdb_get_username(user) == NULL) {
2922 return NT_STATUS_INVALID_PARAMETER;
2923 }
2924
2925 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2926 if (escape_name == NULL)
2927 return NT_STATUS_NO_MEMORY;
2928
2929 /* retrieve the users primary gid */
2930 filter = talloc_asprintf(mem_ctx,
2931 "(&(objectClass=%s)(uid=%s))",
2932 LDAP_OBJ_SAMBASAMACCOUNT,
2933 escape_name);
2934 if (filter == NULL) {
2935 ret = NT_STATUS_NO_MEMORY;
2936 goto done;
2937 }
2938
2939 rc = smbldap_search(conn, lp_ldap_suffix(),
2940 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2941
2942 if (rc != LDAP_SUCCESS)
2943 goto done;
2944
2945 talloc_autofree_ldapmsg(mem_ctx, result);
2946
2947 count = ldap_count_entries(priv2ld(ldap_state), result);
2948
2949 switch (count) {
2950 case 0:
2951 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2952 ret = NT_STATUS_NO_SUCH_USER;
2953 goto done;
2954 case 1:
2955 entry = ldap_first_entry(priv2ld(ldap_state), result);
2956
2957 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2958 if (!gidstr) {
2959 DEBUG (1, ("Unable to find the member's gid!\n"));
2960 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2961 goto done;
2962 }
2963 primary_gid = strtoul(gidstr, NULL, 10);
2964 break;
2965 default:
2966 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2967 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2968 goto done;
2969 }
2970
2971 filter = talloc_asprintf(mem_ctx,
2972 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2973 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2974 if (filter == NULL) {
2975 ret = NT_STATUS_NO_MEMORY;
2976 goto done;
2977 }
2978
2979 rc = smbldap_search(conn, lp_ldap_suffix(),
2980 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2981
2982 if (rc != LDAP_SUCCESS)
2983 goto done;
2984
2985 talloc_autofree_ldapmsg(mem_ctx, result);
2986
2987 num_gids = 0;
2988 *pp_gids = NULL;
2989
2990 num_sids = 0;
2991 *pp_sids = NULL;
2992
2993 /* We need to add the primary group as the first gid/sid */
2994
2995 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2996 ret = NT_STATUS_NO_MEMORY;
2997 goto done;
2998 }
2999
3000 /* This sid will be replaced later */
3001
3002 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3003 &num_sids);
3004 if (!NT_STATUS_IS_OK(ret)) {
3005 goto done;
3006 }
3007
3008 for (entry = ldap_first_entry(conn->ldap_struct, result);
3009 entry != NULL;
3010 entry = ldap_next_entry(conn->ldap_struct, entry))
3011 {
3012 fstring str;
3013 DOM_SID sid;
3014 gid_t gid;
3015 char *end;
3016
3017 if (!smbldap_get_single_attribute(conn->ldap_struct,
3018 entry, "sambaSID",
3019 str, sizeof(str)-1))
3020 continue;
3021
3022 if (!string_to_sid(&sid, str))
3023 goto done;
3024
3025 if (!smbldap_get_single_attribute(conn->ldap_struct,
3026 entry, "gidNumber",
3027 str, sizeof(str)-1))
3028 continue;
3029
3030 gid = strtoul(str, &end, 10);
3031
3032 if (PTR_DIFF(end, str) != strlen(str))
3033 goto done;
3034
3035 if (gid == primary_gid) {
3036 sid_copy(&(*pp_sids)[0], &sid);
3037 } else {
3038 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3039 &num_gids)) {
3040 ret = NT_STATUS_NO_MEMORY;
3041 goto done;
3042 }
3043 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3044 &num_sids);
3045 if (!NT_STATUS_IS_OK(ret)) {
3046 goto done;
3047 }
3048 }
3049 }
3050
3051 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3052 DEBUG(3, ("primary group of [%s] not found\n",
3053 pdb_get_username(user)));
3054 goto done;
3055 }
3056
3057 *p_num_groups = num_sids;
3058
3059 ret = NT_STATUS_OK;
3060
3061 done:
3062
3063 TALLOC_FREE(escape_name);
3064 return ret;
3065 }
3066
3067 /**********************************************************************
3068 * Augment a posixGroup object with a sambaGroupMapping domgroup
3069 *********************************************************************/
3070
3071 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3072 struct ldapsam_privates *ldap_state,
3073 GROUP_MAP *map)
3074 {
3075 const char *filter, *dn;
3076 LDAPMessage *msg, *entry;
3077 LDAPMod **mods;
3078 int rc;
3079
3080 filter = talloc_asprintf(mem_ctx,
3081 "(&(objectClass=%s)(gidNumber=%u))",
3082 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3083 if (filter == NULL) {
3084 return NT_STATUS_NO_MEMORY;
3085 }
3086
3087 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3088 get_attr_list(mem_ctx, groupmap_attr_list),
3089 &msg);
3090 talloc_autofree_ldapmsg(mem_ctx, msg);
3091
3092 if ((rc != LDAP_SUCCESS) ||
3093 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3094 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3095 return NT_STATUS_NO_SUCH_GROUP;
3096 }
3097
3098 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3099 if (dn == NULL) {
3100 return NT_STATUS_NO_MEMORY;
3101 }
3102
3103 mods = NULL;
3104 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3105 LDAP_OBJ_GROUPMAP);
3106 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3107 sid_string_talloc(mem_ctx, &map->sid));
3108 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3109 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3111 map->nt_name);
3112 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3113 map->comment);
3114 talloc_autofree_ldapmod(mem_ctx, mods);
3115
3116 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3117 if (rc != LDAP_SUCCESS) {
3118 return NT_STATUS_ACCESS_DENIED;
3119 }
3120
3121 return NT_STATUS_OK;
3122 }
3123
3124 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3125 GROUP_MAP *map)
3126 {
3127 struct ldapsam_privates *ldap_state =
3128 (struct ldapsam_privates *)methods->private_data;
3129 LDAPMessage *msg = NULL;
3130 LDAPMod **mods = NULL;
3131 const char *attrs[] = { NULL };
3132 char *filter;
3133
3134 char *dn;
3135 TALLOC_CTX *mem_ctx;
3136 NTSTATUS result;
3137
3138 DOM_SID sid;
3139
3140 int rc;
3141
3142 mem_ctx = talloc_new(NULL);
3143 if (mem_ctx == NULL) {
3144 DEBUG(0, ("talloc_new failed\n"));
3145 return NT_STATUS_NO_MEMORY;
3146 }
3147
3148 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3149 sid_string_talloc(mem_ctx, &map->sid));
3150 if (filter == NULL) {
3151 result = NT_STATUS_NO_MEMORY;
3152 goto done;
3153 }
3154
3155 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3156 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3157 talloc_autofree_ldapmsg(mem_ctx, msg);
3158
3159 if ((rc == LDAP_SUCCESS) &&
3160 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3161
3162 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3163 "group mapping entry\n", sid_string_dbg(&map->sid)));
3164 result = NT_STATUS_GROUP_EXISTS;
3165 goto done;
3166 }
3167
3168 switch (map->sid_name_use) {
3169
3170 case SID_NAME_DOM_GRP:
3171 /* To map a domain group we need to have a posix group
3172 to attach to. */
3173 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3174 goto done;
3175 break;
3176
3177 case SID_NAME_ALIAS:
3178 if (!sid_check_is_in_our_domain(&map->sid)
3179 && !sid_check_is_in_builtin(&map->sid) )
3180 {
3181 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3182 sid_string_dbg(&map->sid)));
3183 result = NT_STATUS_INVALID_PARAMETER;
3184 goto done;
3185 }
3186 break;
3187
3188 default:
3189 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3190 sid_type_lookup(map->sid_name_use)));
3191 result = NT_STATUS_INVALID_PARAMETER;
3192 goto done;
3193 }
3194
3195 /* Domain groups have been mapped in a separate routine, we have to
3196 * create an alias now */
3197
3198 if (map->gid == -1) {
3199 DEBUG(10, ("Refusing to map gid==-1\n"));
3200 result = NT_STATUS_INVALID_PARAMETER;
3201 goto done;
3202 }
3203
3204 if (pdb_gid_to_sid(map->gid, &sid)) {
3205 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3206 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3207 result = NT_STATUS_GROUP_EXISTS;
3208 goto done;
3209 }
3210
3211 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3212 * the best we can get out of LDAP. */
3213
3214 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3215 sid_string_talloc(mem_ctx, &map->sid),
3216 lp_ldap_group_suffix());
3217 if (dn == NULL) {
3218 result = NT_STATUS_NO_MEMORY;
3219 goto done;
3220 }
3221
3222 mods = NULL;
3223
3224 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3225 LDAP_OBJ_SID_ENTRY);
3226 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3227 LDAP_OBJ_GROUPMAP);
3228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3229 sid_string_talloc(mem_ctx, &map->sid));
3230 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3231 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3233 map->nt_name);
3234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3235 map->comment);
3236 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3237 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3238 talloc_autofree_ldapmod(mem_ctx, mods);
3239
3240 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3241
3242 result = (rc == LDAP_SUCCESS) ?
3243 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3244
3245 done:
3246 TALLOC_FREE(mem_ctx);
3247 return result;
3248 }
3249
3250 /**********************************************************************
3251 * Update a group mapping entry. We're quite strict about what can be changed:
3252 * Only the description and displayname may be changed. It simply does not
3253 * make any sense to change the SID, gid or the type in a mapping.
3254 *********************************************************************/
3255
3256 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3257 GROUP_MAP *map)
3258 {
3259 struct ldapsam_privates *ldap_state =
3260 (struct ldapsam_privates *)methods->private_data;
3261 int rc;
3262 const char *filter, *dn;
3263 LDAPMessage *msg = NULL;
3264 LDAPMessage *entry = NULL;
3265 LDAPMod **mods = NULL;
3266 TALLOC_CTX *mem_ctx;
3267 NTSTATUS result;
3268
3269 mem_ctx = talloc_new(NULL);
3270 if (mem_ctx == NULL) {
3271 DEBUG(0, ("talloc_new failed\n"));
3272 return NT_STATUS_NO_MEMORY;
3273 }
3274
3275 /* Make 100% sure that sid, gid and type are not changed by looking up
3276 * exactly the values we're given in LDAP. */
3277
3278 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3279 "(sambaSid=%s)(gidNumber=%u)"
3280 "(sambaGroupType=%d))",
3281 LDAP_OBJ_GROUPMAP,
3282 sid_string_talloc(mem_ctx, &map->sid),
3283 (unsigned int)map->gid, map->sid_name_use);
3284 if (filter == NULL) {
3285 result = NT_STATUS_NO_MEMORY;
3286 goto done;
3287 }
3288
3289 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3290 get_attr_list(mem_ctx, groupmap_attr_list),
3291 &msg);
3292 talloc_autofree_ldapmsg(mem_ctx, msg);
3293
3294 if ((rc != LDAP_SUCCESS) ||
3295 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3296 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3297 result = NT_STATUS_NO_SUCH_GROUP;
3298 goto done;
3299 }
3300
3301 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3302
3303 if (dn == NULL) {
3304 result = NT_STATUS_NO_MEMORY;
3305 goto done;
3306 }
3307
3308 mods = NULL;
3309 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3310 map->nt_name);
3311 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3312 map->comment);
3313 talloc_autofree_ldapmod(mem_ctx, mods);
3314
3315 if (mods == NULL) {
3316 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3317 "nothing to do\n"));
3318 result = NT_STATUS_OK;
3319 goto done;
3320 }
3321
3322 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3323
3324 if (rc != LDAP_SUCCESS) {
3325 result = NT_STATUS_ACCESS_DENIED;
3326 goto done;
3327 }
3328
3329 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3330 "group %lu in LDAP\n", (unsigned long)map->gid));
3331
3332 result = NT_STATUS_OK;
3333
3334 done:
3335 TALLOC_FREE(mem_ctx);
3336 return result;
3337 }
3338
3339 /**********************************************************************
3340 *********************************************************************/
3341
3342 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3343 DOM_SID sid)
3344 {
3345 struct ldapsam_privates *priv =
3346 (struct ldapsam_privates *)methods->private_data;
3347 LDAPMessage *msg, *entry;
3348 int rc;
3349 NTSTATUS result;
3350 TALLOC_CTX *mem_ctx;
3351 char *filter;
3352
3353 mem_ctx = talloc_new(NULL);
3354 if (mem_ctx == NULL) {
3355 DEBUG(0, ("talloc_new failed\n"));
3356 return NT_STATUS_NO_MEMORY;
3357 }
3358
3359 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3360 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3361 sid_string_talloc(mem_ctx, &sid));
3362 if (filter == NULL) {
3363 result = NT_STATUS_NO_MEMORY;
3364 goto done;
3365 }
3366 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3367 get_attr_list(mem_ctx, groupmap_attr_list),
3368 &msg);
3369 talloc_autofree_ldapmsg(mem_ctx, msg);
3370
3371 if ((rc != LDAP_SUCCESS) ||
3372 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3373 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3374 result = NT_STATUS_NO_SUCH_GROUP;
3375 goto done;
3376 }
3377
3378 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3379 get_attr_list(mem_ctx,
3380 groupmap_attr_list_to_delete));
3381
3382 if ((rc == LDAP_NAMING_VIOLATION) ||
3383 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3384 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3385 const char *attrs[] = { "sambaGroupType", "description",
3386 "displayName", "sambaSIDList",
3387 NULL };
3388
3389 /* Second try. Don't delete the sambaSID attribute, this is
3390 for "old" entries that are tacked on a winbind
3391 sambaIdmapEntry. */
3392
3393 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3394 LDAP_OBJ_GROUPMAP, attrs);
3395 }
3396
3397 if ((rc == LDAP_NAMING_VIOLATION) ||
3398 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3399 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3400 const char *attrs[] = { "sambaGroupType", "description",
3401 "displayName", "sambaSIDList",
3402 "gidNumber", NULL };
3403
3404 /* Third try. This is a post-3.0.21 alias (containing only
3405 * sambaSidEntry and sambaGroupMapping classes), we also have
3406 * to delete the gidNumber attribute, only the sambaSidEntry
3407 * remains */
3408
3409 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3410 LDAP_OBJ_GROUPMAP, attrs);
3411 }
3412
3413 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3414
3415 done:
3416 TALLOC_FREE(mem_ctx);
3417 return result;
3418 }
3419
3420 /**********************************************************************
3421 *********************************************************************/
3422
3423 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3424 bool update)
3425 {
3426 struct ldapsam_privates *ldap_state =
3427 (struct ldapsam_privates *)my_methods->private_data;
3428 char *filter = NULL;
3429 int rc;
3430 const char **attr_list;
3431
3432 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3433 if (!filter) {
3434 return NT_STATUS_NO_MEMORY;
3435 }
3436 attr_list = get_attr_list( NULL, groupmap_attr_list );
3437 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3438 LDAP_SCOPE_SUBTREE, filter,
3439 attr_list, 0, &ldap_state->result);
3440 TALLOC_FREE(attr_list);
3441
3442 if (rc != LDAP_SUCCESS) {
3443 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3444 ldap_err2string(rc)));
3445 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3446 lp_ldap_suffix(), filter));
3447 ldap_msgfree(ldap_state->result);
3448 ldap_state->result = NULL;
3449 TALLOC_FREE(filter);
3450 return NT_STATUS_UNSUCCESSFUL;
3451 }
3452
3453 TALLOC_FREE(filter);
3454
3455 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3456 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3457 ldap_state->result)));
3458
3459 ldap_state->entry =
3460 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3461 ldap_state->result);
3462 ldap_state->index = 0;
3463
3464 return NT_STATUS_OK;
3465 }
3466
3467 /**********************************************************************
3468 *********************************************************************/
3469
3470 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3471 {
3472 ldapsam_endsampwent(my_methods);
3473 }
3474
3475 /**********************************************************************
3476 *********************************************************************/
3477
3478 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3479 GROUP_MAP *map)
3480 {
3481 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3482 struct ldapsam_privates *ldap_state =
3483 (struct ldapsam_privates *)my_methods->private_data;
3484 bool bret = False;
3485
3486 while (!bret) {
3487 if (!ldap_state->entry)
3488 return ret;
3489
3490 ldap_state->index++;
3491 bret = init_group_from_ldap(ldap_state, map,
3492 ldap_state->entry);
3493
3494 ldap_state->entry =
3495 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3496 ldap_state->entry);
3497 }
3498
3499 return NT_STATUS_OK;
3500 }
3501
3502 /**********************************************************************
3503 *********************************************************************/
3504
3505 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3506 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3507 GROUP_MAP **pp_rmap,
3508 size_t *p_num_entries,
3509 bool unix_only)
3510 {
3511 GROUP_MAP map;
3512 size_t entries = 0;
3513
3514 *p_num_entries = 0;
3515 *pp_rmap = NULL;
3516
3517 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3518 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3519 "passdb\n"));
3520 return NT_STATUS_ACCESS_DENIED;
3521 }
3522
3523 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3524 if (sid_name_use != SID_NAME_UNKNOWN &&
3525 sid_name_use != map.sid_name_use) {
3526 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3527 "not of the requested type\n", map.nt_name));
3528 continue;
3529 }
3530 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3531 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3532 "non mapped\n", map.nt_name));
3533 continue;
3534 }
3535
3536 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3537 if (!(*pp_rmap)) {
3538 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3539 "enlarge group map!\n"));
3540 return NT_STATUS_UNSUCCESSFUL;
3541 }
3542
3543 (*pp_rmap)[entries] = map;
3544
3545 entries += 1;
3546
3547 }
3548 ldapsam_endsamgrent(methods);
3549
3550 *p_num_entries = entries;
3551
3552 return NT_STATUS_OK;
3553 }
3554
3555 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3556 const DOM_SID *alias,
3557 const DOM_SID *member,
3558 int modop)
3559 {
3560 struct ldapsam_privates *ldap_state =
3561 (struct ldapsam_privates *)methods->private_data;
3562 char *dn = NULL;
3563 LDAPMessage *result = NULL;
3564 LDAPMessage *entry = NULL;
3565 int count;
3566 LDAPMod **mods = NULL;
3567 int rc;
3568 enum lsa_SidType type = SID_NAME_USE_NONE;
3569 fstring tmp;
3570
3571 char *filter = NULL;
3572
3573 if (sid_check_is_in_builtin(alias)) {
3574 type = SID_NAME_ALIAS;
3575 }
3576
3577 if (sid_check_is_in_our_domain(alias)) {
3578 type = SID_NAME_ALIAS;
3579 }
3580
3581 if (type == SID_NAME_USE_NONE) {
3582 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3583 sid_string_dbg(alias)));
3584 return NT_STATUS_NO_SUCH_ALIAS;
3585 }
3586
3587 if (asprintf(&filter,
3588 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3589 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3590 type) < 0) {
3591 return NT_STATUS_NO_MEMORY;
3592 }
3593
3594 if (ldapsam_search_one_group(ldap_state, filter,
3595 &result) != LDAP_SUCCESS) {
3596 SAFE_FREE(filter);
3597 return NT_STATUS_NO_SUCH_ALIAS;
3598 }
3599
3600 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3601 result);
3602
3603 if (count < 1) {
3604 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3605 ldap_msgfree(result);
3606 SAFE_FREE(filter);
3607 return NT_STATUS_NO_SUCH_ALIAS;
3608 }
3609
3610 if (count > 1) {
3611 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3612 "filter %s: count=%d\n", filter, count));
3613 ldap_msgfree(result);
3614 SAFE_FREE(filter);
3615 return NT_STATUS_NO_SUCH_ALIAS;
3616 }
3617
3618 SAFE_FREE(filter);
3619
3620 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3621 result);
3622
3623 if (!entry) {
3624 ldap_msgfree(result);
3625 return NT_STATUS_UNSUCCESSFUL;
3626 }
3627
3628 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3629 if (!dn) {
3630 ldap_msgfree(result);
3631 return NT_STATUS_UNSUCCESSFUL;
3632 }
3633
3634 smbldap_set_mod(&mods, modop,
3635 get_attr_key2string(groupmap_attr_list,
3636 LDAP_ATTR_SID_LIST),
3637 sid_to_fstring(tmp, member));
3638
3639 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3640
3641 ldap_mods_free(mods, True);
3642 ldap_msgfree(result);
3643 TALLOC_FREE(dn);
3644
3645 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3646 return NT_STATUS_MEMBER_IN_ALIAS;
3647 }
3648
3649 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3650 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3651 }
3652
3653 if (rc != LDAP_SUCCESS) {
3654 return NT_STATUS_UNSUCCESSFUL;
3655 }
3656
3657 return NT_STATUS_OK;
3658 }
3659
3660 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3661 const DOM_SID *alias,
3662 const DOM_SID *member)
3663 {
3664 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3665 }
3666
3667 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3668 const DOM_SID *alias,
3669 const DOM_SID *member)
3670 {
3671 return ldapsam_modify_aliasmem(methods, alias, member,
3672 LDAP_MOD_DELETE);
3673 }
3674
3675 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3676 const DOM_SID *alias,
3677 TALLOC_CTX *mem_ctx,
3678 DOM_SID **pp_members,
3679 size_t *p_num_members)
3680 {
3681 struct ldapsam_privates *ldap_state =
3682 (struct ldapsam_privates *)methods->private_data;
3683 LDAPMessage *result = NULL;
3684 LDAPMessage *entry = NULL;
3685 int count;
3686 char **values = NULL;
3687 int i;
3688 char *filter = NULL;
3689 size_t num_members = 0;
3690 enum lsa_SidType type = SID_NAME_USE_NONE;
3691 fstring tmp;
3692
3693 *pp_members = NULL;
3694 *p_num_members = 0;
3695
3696 if (sid_check_is_in_builtin(alias)) {
3697 type = SID_NAME_ALIAS;
3698 }
3699
3700 if (sid_check_is_in_our_domain(alias)) {
3701 type = SID_NAME_ALIAS;
3702 }
3703
3704 if (type == SID_NAME_USE_NONE) {
3705 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3706 sid_string_dbg(alias)));
3707 return NT_STATUS_NO_SUCH_ALIAS;
3708 }
3709
3710 if (asprintf(&filter,
3711 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3712 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3713 type) < 0) {
3714 return NT_STATUS_NO_MEMORY;
3715 }
3716
3717 if (ldapsam_search_one_group(ldap_state, filter,
3718 &result) != LDAP_SUCCESS) {
3719 SAFE_FREE(filter);
3720 return NT_STATUS_NO_SUCH_ALIAS;
3721 }
3722
3723 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3724 result);
3725
3726 if (count < 1) {
3727 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3728 ldap_msgfree(result);
3729 SAFE_FREE(filter);
3730 return NT_STATUS_NO_SUCH_ALIAS;
3731 }
3732
3733 if (count > 1) {
3734 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3735 "filter %s: count=%d\n", filter, count));
3736 ldap_msgfree(result);
3737 SAFE_FREE(filter);
3738 return NT_STATUS_NO_SUCH_ALIAS;
3739 }
3740
3741 SAFE_FREE(filter);
3742
3743 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3744 result);
3745
3746 if (!entry) {
3747 ldap_msgfree(result);
3748 return NT_STATUS_UNSUCCESSFUL;
3749 }
3750
3751 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3752 entry,
3753 get_attr_key2string(groupmap_attr_list,
3754 LDAP_ATTR_SID_LIST));
3755
3756 if (values == NULL) {
3757 ldap_msgfree(result);
3758 return NT_STATUS_OK;
3759 }
3760
3761 count = ldap_count_values(values);
3762
3763 for (i=0; i<count; i++) {
3764 DOM_SID member;
3765 NTSTATUS status;
3766
3767 if (!string_to_sid(&member, values[i]))
3768 continue;
3769
3770 status = add_sid_to_array(mem_ctx, &member, pp_members,
3771 &num_members);
3772 if (!NT_STATUS_IS_OK(status)) {
3773 ldap_value_free(values);
3774 ldap_msgfree(result);
3775 return status;
3776 }
3777 }
3778
3779 *p_num_members = num_members;
3780 ldap_value_free(values);
3781 ldap_msgfree(result);
3782
3783 return NT_STATUS_OK;
3784 }
3785
3786 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3787 TALLOC_CTX *mem_ctx,
3788 const DOM_SID *domain_sid,
3789 const DOM_SID *members,
3790 size_t num_members,
3791 uint32 **pp_alias_rids,
3792 size_t *p_num_alias_rids)
3793 {
3794 struct ldapsam_privates *ldap_state =
3795 (struct ldapsam_privates *)methods->private_data;
3796 LDAP *ldap_struct;
3797
3798 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3799
3800 LDAPMessage *result = NULL;
3801 LDAPMessage *entry = NULL;
3802 int i;
3803 int rc;
3804 char *filter;
3805 enum lsa_SidType type = SID_NAME_USE_NONE;
3806 bool is_builtin = false;
3807 bool sid_added = false;
3808
3809 *pp_alias_rids = NULL;
3810 *p_num_alias_rids = 0;
3811
3812 if (sid_check_is_builtin(domain_sid)) {
3813 is_builtin = true;
3814 type = SID_NAME_ALIAS;
3815 }
3816
3817 if (sid_check_is_domain(domain_sid)) {
3818 type = SID_NAME_ALIAS;
3819 }
3820
3821 if (type == SID_NAME_USE_NONE) {
3822 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3823 sid_string_dbg(domain_sid)));
3824 return NT_STATUS_UNSUCCESSFUL;
3825 }
3826
3827 if (num_members == 0) {
3828 return NT_STATUS_OK;
3829 }
3830
3831 filter = talloc_asprintf(mem_ctx,
3832 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3833 LDAP_OBJ_GROUPMAP, type);
3834
3835 for (i=0; i<num_members; i++)
3836 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3837 filter,
3838 sid_string_talloc(mem_ctx,
3839 &members[i]));
3840
3841 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3842
3843 if (filter == NULL) {
3844 return NT_STATUS_NO_MEMORY;
3845 }
3846
3847 if (is_builtin &&
3848 ldap_state->search_cache.filter &&
3849 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3850 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3851 result = ldap_state->search_cache.result;
3852 ldap_state->search_cache.result = NULL;
3853 } else {
3854 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3855 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3856 if (rc != LDAP_SUCCESS) {
3857 return NT_STATUS_UNSUCCESSFUL;
3858 }
3859 talloc_autofree_ldapmsg(filter, result);
3860 }
3861
3862 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3863
3864 for (entry = ldap_first_entry(ldap_struct, result);
3865 entry != NULL;
3866 entry = ldap_next_entry(ldap_struct, entry))
3867 {
3868 fstring sid_str;
3869 DOM_SID sid;
3870 uint32 rid;
3871
3872 if (!smbldap_get_single_attribute(ldap_struct, entry,
3873 LDAP_ATTRIBUTE_SID,
3874 sid_str,
3875 sizeof(sid_str)-1))
3876 continue;
3877
3878 if (!string_to_sid(&sid, sid_str))
3879 continue;
3880
3881 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3882 continue;
3883
3884 sid_added = true;
3885
3886 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3887 p_num_alias_rids)) {
3888 return NT_STATUS_NO_MEMORY;
3889 }
3890 }
3891
3892 if (!is_builtin && !sid_added) {
3893 TALLOC_FREE(ldap_state->search_cache.filter);
3894 /*
3895 * Note: result is a talloc child of filter because of the
3896 * talloc_autofree_ldapmsg() usage
3897 */
3898 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3899 ldap_state->search_cache.result = result;
3900 }
3901
3902 return NT_STATUS_OK;
3903 }
3904
3905 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3906 enum pdb_policy_type type,
3907 uint32 value)
3908 {
3909 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3910 int rc;
3911 LDAPMod **mods = NULL;
3912 fstring value_string;
3913 const char *policy_attr = NULL;
3914
3915 struct ldapsam_privates *ldap_state =
3916 (struct ldapsam_privates *)methods->private_data;
3917
3918 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3919
3920 if (!ldap_state->domain_dn) {
3921 return NT_STATUS_INVALID_PARAMETER;
3922 }
3923
3924 policy_attr = get_account_policy_attr(type);
3925 if (policy_attr == NULL) {
3926 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3927 "policy\n"));
3928 return ntstatus;
3929 }
3930
3931 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3932
3933 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3934
3935 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3936 mods);
3937
3938 ldap_mods_free(mods, True);
3939
3940 if (rc != LDAP_SUCCESS) {
3941 return ntstatus;
3942 }
3943
3944 if (!cache_account_policy_set(type, value)) {
3945 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3946 "update local tdb cache\n"));
3947 return ntstatus;
3948 }
3949
3950 return NT_STATUS_OK;
3951 }
3952
3953 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3954 enum pdb_policy_type type,
3955 uint32_t value)
3956 {
3957 return ldapsam_set_account_policy_in_ldap(methods, type,
3958 value);
3959 }
3960
3961 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3962 enum pdb_policy_type type,
3963 uint32 *value)
3964 {
3965 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3966 LDAPMessage *result = NULL;
3967 LDAPMessage *entry = NULL;
3968 int count;
3969 int rc;
3970 char **vals = NULL;
3971 char *filter;
3972 const char *policy_attr = NULL;
3973
3974 struct ldapsam_privates *ldap_state =
3975 (struct ldapsam_privates *)methods->private_data;
3976
3977 const char *attrs[2];
3978
3979 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3980
3981 if (!ldap_state->domain_dn) {
3982 return NT_STATUS_INVALID_PARAMETER;
3983 }
3984
3985 policy_attr = get_account_policy_attr(type);
3986 if (!policy_attr) {
3987 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3988 "policy index: %d\n", type));
3989 return ntstatus;
3990 }
3991
3992 attrs[0] = policy_attr;
3993 attrs[1] = NULL;
3994
3995 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3996 if (filter == NULL) {
3997 return NT_STATUS_NO_MEMORY;
3998 }
3999 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4000 LDAP_SCOPE_BASE, filter, attrs, 0,
4001 &result);
4002
4003 if (rc != LDAP_SUCCESS) {
4004 return ntstatus;
4005 }
4006
4007 count = ldap_count_entries(priv2ld(ldap_state), result);
4008 if (count < 1) {
4009 goto out;
4010 }
4011
4012 entry = ldap_first_entry(priv2ld(ldap_state), result);
4013 if (entry == NULL) {
4014 goto out;
4015 }
4016
4017 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4018 if (vals == NULL) {
4019 goto out;
4020 }
4021
4022 *value = (uint32)atol(vals[0]);
4023
4024 ntstatus = NT_STATUS_OK;
4025
4026 out:
4027 if (vals)
4028 ldap_value_free(vals);
4029 ldap_msgfree(result);
4030
4031 return ntstatus;
4032 }
4033
4034 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4035
4036 - if user hasn't decided to use account policies inside LDAP just reuse the
4037 old tdb values
4038
4039 - if there is a valid cache entry, return that
4040 - if there is an LDAP entry, update cache and return
4041 - otherwise set to default, update cache and return
4042
4043 Guenther
4044 */
4045 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4046 enum pdb_policy_type type,
4047 uint32_t *value)
4048 {
4049 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4050
4051 if (cache_account_policy_get(type, value)) {
4052 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4053 "cache\n"));
4054 return NT_STATUS_OK;
4055 }
4056
4057 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4058 value);
4059 if (NT_STATUS_IS_OK(ntstatus)) {
4060 goto update_cache;
4061 }
4062
4063 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4064 "ldap\n"));
4065
4066 #if 0
4067 /* should we automagically migrate old tdb value here ? */
4068 if (account_policy_get(type, value))
4069 goto update_ldap;
4070
4071 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4072 "default\n", type));
4073 #endif
4074
4075 if (!account_policy_get_default(type, value)) {
4076 return ntstatus;
4077 }
4078
4079 /* update_ldap: */
4080
4081 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4082 if (!NT_STATUS_IS_OK(ntstatus)) {
4083 return ntstatus;
4084 }
4085
4086 update_cache:
4087
4088 if (!cache_account_policy_set(type, *value)) {
4089 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4090 "tdb as a cache\n"));
4091 return NT_STATUS_UNSUCCESSFUL;
4092 }
4093
4094 return NT_STATUS_OK;
4095 }
4096
4097 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4098 const DOM_SID *domain_sid,
4099 int num_rids,
4100 uint32 *rids,
4101 const char **names,
4102 enum lsa_SidType *attrs)
4103 {
4104 struct ldapsam_privates *ldap_state =
4105 (struct ldapsam_privates *)methods->private_data;
4106 LDAPMessage *msg = NULL;
4107 LDAPMessage *entry;
4108 char *allsids = NULL;
4109 int i, rc, num_mapped;
4110 NTSTATUS result = NT_STATUS_NO_MEMORY;
4111 TALLOC_CTX *mem_ctx;
4112 LDAP *ld;
4113 bool is_builtin;
4114
4115 mem_ctx = talloc_new(NULL);
4116 if (mem_ctx == NULL) {
4117 DEBUG(0, ("talloc_new failed\n"));
4118 goto done;
4119 }
4120
4121 if (!sid_check_is_builtin(domain_sid) &&
4122 !sid_check_is_domain(domain_sid)) {
4123 result = NT_STATUS_INVALID_PARAMETER;
4124 goto done;
4125 }
4126
4127 if (num_rids == 0) {
4128 result = NT_STATUS_NONE_MAPPED;
4129 goto done;
4130 }
4131
4132 for (i=0; i<num_rids; i++)
4133 attrs[i] = SID_NAME_UNKNOWN;
4134
4135 allsids = talloc_strdup(mem_ctx, "");
4136 if (allsids == NULL) {
4137 goto done;
4138 }
4139
4140 for (i=0; i<num_rids; i++) {
4141 DOM_SID sid;
4142 sid_compose(&sid, domain_sid, rids[i]);
4143 allsids = talloc_asprintf_append_buffer(
4144 allsids, "(sambaSid=%s)",
4145 sid_string_talloc(mem_ctx, &sid));
4146 if (allsids == NULL) {
4147 goto done;
4148 }
4149 }
4150
4151 /* First look for users */
4152
4153 {
4154 char *filter;
4155 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4156
4157 filter = talloc_asprintf(
4158 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4159 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4160
4161 if (filter == NULL) {
4162 goto done;
4163 }
4164
4165 rc = smbldap_search(ldap_state->smbldap_state,
4166 lp_ldap_user_suffix(),
4167 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4168 &msg);
4169 talloc_autofree_ldapmsg(mem_ctx, msg);
4170 }
4171
4172 if (rc != LDAP_SUCCESS)
4173 goto done;
4174
4175 ld = ldap_state->smbldap_state->ldap_struct;
4176 num_mapped = 0;
4177
4178 for (entry = ldap_first_entry(ld, msg);
4179 entry != NULL;
4180 entry = ldap_next_entry(ld, entry)) {
4181 uint32 rid;
4182 int rid_index;
4183 const char *name;
4184
4185 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4186 &rid)) {
4187 DEBUG(2, ("Could not find sid from ldap entry\n"));
4188 continue;
4189 }
4190
4191 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4192 names);
4193 if (name == NULL) {
4194 DEBUG(2, ("Could not retrieve uid attribute\n"));
4195 continue;
4196 }
4197
4198 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4199 if (rid == rids[rid_index])
4200 break;
4201 }
4202
4203 if (rid_index == num_rids) {
4204 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4205 continue;
4206 }
4207
4208 attrs[rid_index] = SID_NAME_USER;
4209 names[rid_index] = name;
4210 num_mapped += 1;
4211 }
4212
4213 if (num_mapped == num_rids) {
4214 /* No need to look for groups anymore -- we're done */
4215 result = NT_STATUS_OK;
4216 goto done;
4217 }
4218
4219 /* Same game for groups */
4220
4221 {
4222 char *filter;
4223 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4224 "sambaGroupType", NULL };
4225
4226 filter = talloc_asprintf(
4227 mem_ctx, "(&(objectClass=%s)(|%s))",
4228 LDAP_OBJ_GROUPMAP, allsids);
4229 if (filter == NULL) {
4230 goto done;
4231 }
4232
4233 rc = smbldap_search(ldap_state->smbldap_state,
4234 lp_ldap_suffix(),
4235 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4236 &msg);
4237 talloc_autofree_ldapmsg(mem_ctx, msg);
4238 }
4239
4240 if (rc != LDAP_SUCCESS)
4241 goto done;
4242
4243 /* ldap_struct might have changed due to a reconnect */
4244
4245 ld = ldap_state->smbldap_state->ldap_struct;
4246
4247 /* For consistency checks, we already checked we're only domain or builtin */
4248
4249 is_builtin = sid_check_is_builtin(domain_sid);
4250
4251 for (entry = ldap_first_entry(ld, msg);
4252 entry != NULL;
4253 entry = ldap_next_entry(ld, entry))
4254 {
4255 uint32 rid;
4256 int rid_index;
4257 const char *attr;
4258 enum lsa_SidType type;
4259 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4260
4261 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4262 mem_ctx);
4263 if (attr == NULL) {
4264 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4265 dn));
4266 continue;
4267 }
4268
4269 type = (enum lsa_SidType)atol(attr);
4270
4271 /* Consistency checks */
4272 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4273 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4274 (type != SID_NAME_DOM_GRP)))) {
4275 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4276 }
4277
4278 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4279 &rid)) {
4280 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4281 continue;
4282 }
4283
4284 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4285
4286 if (attr == NULL) {
4287 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4288 dn));
4289 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4290 }
4291
4292 if (attr == NULL) {
4293 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4294 dn));
4295 continue;
4296 }
4297
4298 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4299 if (rid == rids[rid_index])
4300 break;
4301 }
4302
4303 if (rid_index == num_rids) {
4304 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4305 continue;
4306 }
4307
4308 attrs[rid_index] = type;
4309 names[rid_index] = attr;
4310 num_mapped += 1;
4311 }
4312
4313 result = NT_STATUS_NONE_MAPPED;
4314
4315 if (num_mapped > 0)
4316 result = (num_mapped == num_rids) ?
4317 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4318 done:
4319 TALLOC_FREE(mem_ctx);
4320 return result;
4321 }
4322
4323 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4324 {
4325 char *filter = NULL;
4326 char *escaped = NULL;
4327 char *result = NULL;
4328
4329 if (asprintf(&filter, "(&%s(objectclass=%s))",
4330 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4331 goto done;
4332 }
4333
4334 escaped = escape_ldap_string(talloc_tos(), username);
4335 if (escaped == NULL) goto done;
4336
4337 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4338
4339 done:
4340 SAFE_FREE(filter);
4341 TALLOC_FREE(escaped);
4342
4343 return result;
4344 }
4345
4346 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4347 {
4348 int i, num = 0;
4349 va_list ap;
4350 const char **result;
4351
4352 va_start(ap, mem_ctx);
4353 while (va_arg(ap, const char *) != NULL)
4354 num += 1;
4355 va_end(ap);
4356
4357 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4358 return NULL;
4359 }
4360
4361 va_start(ap, mem_ctx);
4362 for (i=0; i<num; i++) {
4363 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4364 if (result[i] == NULL) {
4365 talloc_free(result);
4366 va_end(ap);
4367 return NULL;
4368 }
4369 }
4370 va_end(ap);
4371
4372 result[num] = NULL;
4373 return result;
4374 }
4375
4376 struct ldap_search_state {
4377 struct smbldap_state *connection;
4378
4379 uint32 acct_flags;
4380 uint16 group_type;
4381
4382 const char *base;
4383 int scope;
4384 const char *filter;
4385 const char **attrs;
4386 int attrsonly;
4387 void *pagedresults_cookie;
4388
4389 LDAPMessage *entries, *current_entry;
4390 bool (*ldap2displayentry)(struct ldap_search_state *state,
4391 TALLOC_CTX *mem_ctx,
4392 LDAP *ld, LDAPMessage *entry,
4393 struct samr_displayentry *result);
4394 };
4395
4396 static bool ldapsam_search_firstpage(struct pdb_search *search)
4397 {
4398 struct ldap_search_state *state =
4399 (struct ldap_search_state *)search->private_data;
4400 LDAP *ld;
4401 int rc = LDAP_OPERATIONS_ERROR;
4402
4403 state->entries = NULL;
4404
4405 if (state->connection->paged_results) {
4406 rc = smbldap_search_paged(state->connection, state->base,
4407 state->scope, state->filter,
4408 state->attrs, state->attrsonly,
4409 lp_ldap_page_size(), &state->entries,
4410 &state->pagedresults_cookie);
4411 }
4412
4413 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4414
4415 if (state->entries != NULL) {
4416 /* Left over from unsuccessful paged attempt */
4417 ldap_msgfree(state->entries);
4418 state->entries = NULL;
4419 }
4420
4421 rc = smbldap_search(state->connection, state->base,
4422 state->scope, state->filter, state->attrs,
4423 state->attrsonly, &state->entries);
4424
4425 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4426 return False;
4427
4428 /* Ok, the server was lying. It told us it could do paged
4429 * searches when it could not. */
4430 state->connection->paged_results = False;
4431 }
4432
4433 ld = state->connection->ldap_struct;
4434 if ( ld == NULL) {
4435 DEBUG(5, ("Don't have an LDAP connection right after a "
4436 "search\n"));
4437 return False;
4438 }
4439 state->current_entry = ldap_first_entry(ld, state->entries);
4440
4441 if (state->current_entry == NULL) {
4442 ldap_msgfree(state->entries);
4443 state->entries = NULL;
4444 return false;
4445 }
4446
4447 return True;
4448 }
4449
4450 static bool ldapsam_search_nextpage(struct pdb_search *search)
4451 {
4452 struct ldap_search_state *state =
4453 (struct ldap_search_state *)search->private_data;
4454 int rc;
4455
4456 if (!state->connection->paged_results) {
4457 /* There is no next page when there are no paged results */
4458 return False;
4459 }
4460
4461 rc = smbldap_search_paged(state->connection, state->base,
4462 state->scope, state->filter, state->attrs,
4463 state->attrsonly, lp_ldap_page_size(),
4464 &state->entries,
4465 &state->pagedresults_cookie);
4466
4467 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4468 return False;
4469
4470 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4471
4472 if (state->current_entry == NULL) {
4473 ldap_msgfree(state->entries);
4474 state->entries = NULL;
4475 return false;
4476 }
4477
4478 return True;
4479 }
4480
4481 static bool ldapsam_search_next_entry(struct pdb_search *search,
4482 struct samr_displayentry *entry)
4483 {
4484 struct ldap_search_state *state =
4485 (struct ldap_search_state *)search->private_data;
4486 bool result;
4487
4488 retry:
4489 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4490 return False;
4491
4492 if ((state->entries == NULL) &&
4493 !ldapsam_search_nextpage(search))
4494 return False;
4495
4496 result = state->ldap2displayentry(state, search,
4497 state->connection->ldap_struct,
4498 state->current_entry, entry);
4499
4500 if (!result) {
4501 char *dn;
4502 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4503 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4504 if (dn != NULL) ldap_memfree(dn);
4505 }
4506
4507 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4508
4509 if (state->current_entry == NULL) {
4510 ldap_msgfree(state->entries);
4511 state->entries = NULL;
4512 }
4513
4514 if (!result) goto retry;
4515
4516 return True;
4517 }
4518
4519 static void ldapsam_search_end(struct pdb_search *search)
4520 {
4521 struct ldap_search_state *state =
4522 (struct ldap_search_state *)search->private_data;
4523 int rc;
4524
4525 if (state->pagedresults_cookie == NULL)
4526 return;
4527
4528 if (state->entries != NULL)
4529 ldap_msgfree(state->entries);
4530
4531 state->entries = NULL;
4532 state->current_entry = NULL;
4533
4534 if (!state->connection->paged_results)
4535 return;
4536
4537 /* Tell the LDAP server we're not interested in the rest anymore. */
4538
4539 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4540 state->filter, state->attrs,
4541 state->attrsonly, 0, &state->entries,
4542 &state->pagedresults_cookie);
4543
4544 if (rc != LDAP_SUCCESS)
4545 DEBUG(5, ("Could not end search properly\n"));
4546
4547 return;
4548 }
4549
4550 static bool ldapuser2displayentry(struct ldap_search_state *state,
4551 TALLOC_CTX *mem_ctx,
4552 LDAP *ld, LDAPMessage *entry,
4553 struct samr_displayentry *result)
4554 {
4555 char **vals;
4556 size_t converted_size;
4557 DOM_SID sid;
4558 uint32 acct_flags;
4559
4560 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4561 if ((vals == NULL) || (vals[0] == NULL)) {
4562 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4563 return False;
4564 }
4565 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4566 ldap_value_free(vals);
4567
4568 if ((state->acct_flags != 0) &&
4569 ((state->acct_flags & acct_flags) == 0))
4570 return False;
4571
4572 result->acct_flags = acct_flags;
4573 result->account_name = "";
4574 result->fullname = "";
4575 result->description = "";
4576
4577 vals = ldap_get_values(ld, entry, "uid");
4578 if ((vals == NULL) || (vals[0] == NULL)) {
4579 DEBUG(5, ("\"uid\" not found\n"));
4580 return False;
4581 }
4582 if (!pull_utf8_talloc(mem_ctx,
4583 CONST_DISCARD(char **, &result->account_name),
4584 vals[0], &converted_size))
4585 {
4586 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4587 strerror(errno)));
4588 }
4589
4590 ldap_value_free(vals);
4591
4592 vals = ldap_get_values(ld, entry, "displayName");
4593 if ((vals == NULL) || (vals[0] == NULL))
4594 DEBUG(8, ("\"displayName\" not found\n"));
4595 else if (!pull_utf8_talloc(mem_ctx,
4596 CONST_DISCARD(char **, &result->fullname),
4597 vals[0], &converted_size))
4598 {
4599 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4600 strerror(errno)));
4601 }
4602
4603 ldap_value_free(vals);
4604
4605 vals = ldap_get_values(ld, entry, "description");
4606 if ((vals == NULL) || (vals[0] == NULL))
4607 DEBUG(8, ("\"description\" not found\n"));
4608 else if (!pull_utf8_talloc(mem_ctx,
4609 CONST_DISCARD(char **, &result->description),
4610 vals[0], &converted_size))
4611 {
4612 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4613 strerror(errno)));
4614 }
4615
4616 ldap_value_free(vals);
4617
4618 if ((result->account_name == NULL) ||
4619 (result->fullname == NULL) ||
4620 (result->description == NULL)) {
4621 DEBUG(0, ("talloc failed\n"));
4622 return False;
4623 }
4624
4625 vals = ldap_get_values(ld, entry, "sambaSid");
4626 if ((vals == NULL) || (vals[0] == NULL)) {
4627 DEBUG(0, ("\"objectSid\" not found\n"));
4628 return False;
4629 }
4630
4631 if (!string_to_sid(&sid, vals[0])) {
4632 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4633 ldap_value_free(vals);
4634 return False;
4635 }
4636 ldap_value_free(vals);
4637
4638 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4639 DEBUG(0, ("sid %s does not belong to our domain\n",
4640 sid_string_dbg(&sid)));
4641 return False;
4642 }
4643
4644 return True;
4645 }
4646
4647
4648 static bool ldapsam_search_users(struct pdb_methods *methods,
4649 struct pdb_search *search,
4650 uint32 acct_flags)
4651 {
4652 struct ldapsam_privates *ldap_state =
4653 (struct ldapsam_privates *)methods->private_data;
4654 struct ldap_search_state *state;
4655
4656 state = talloc(search, struct ldap_search_state);
4657 if (state == NULL) {
4658 DEBUG(0, ("talloc failed\n"));
4659 return False;
4660 }
4661
4662 state->connection = ldap_state->smbldap_state;
4663
4664 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4665 state->base = lp_ldap_user_suffix();
4666 else if ((acct_flags != 0) &&
4667 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4668 state->base = lp_ldap_machine_suffix();
4669 else
4670 state->base = lp_ldap_suffix();
4671
4672 state->acct_flags = acct_flags;
4673 state->base = talloc_strdup(search, state->base);
4674 state->scope = LDAP_SCOPE_SUBTREE;
4675 state->filter = get_ldap_filter(search, "*");
4676 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4677 "displayName", "description",
4678 "sambaAcctFlags", NULL);
4679 state->attrsonly = 0;
4680 state->pagedresults_cookie = NULL;
4681 state->entries = NULL;
4682 state->ldap2displayentry = ldapuser2displayentry;
4683
4684 if ((state->filter == NULL) || (state->attrs == NULL)) {
4685 DEBUG(0, ("talloc failed\n"));
4686 return False;
4687 }
4688
4689 search->private_data = state;
4690 search->next_entry = ldapsam_search_next_entry;
4691 search->search_end = ldapsam_search_end;
4692
4693 return ldapsam_search_firstpage(search);
4694 }
4695
4696 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4697 TALLOC_CTX *mem_ctx,
4698 LDAP *ld, LDAPMessage *entry,
4699 struct samr_displayentry *result)
4700 {
4701 char **vals;
4702 size_t converted_size;
4703 DOM_SID sid;
4704 uint16 group_type;
4705
4706 result->account_name = "";
4707 result->fullname = "";
4708 result->description = "";
4709
4710
4711 vals = ldap_get_values(ld, entry, "sambaGroupType");
4712 if ((vals == NULL) || (vals[0] == NULL)) {
4713 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4714 if (vals != NULL) {
4715 ldap_value_free(vals);
4716 }
4717 return False;
4718 }
4719
4720 group_type = atoi(vals[0]);
4721
4722 if ((state->group_type != 0) &&
4723 ((state->group_type != group_type))) {
4724 ldap_value_free(vals);
4725 return False;
4726 }
4727
4728 ldap_value_free(vals);
4729
4730 /* display name is the NT group name */
4731
4732 vals = ldap_get_values(ld, entry, "displayName");
4733 if ((vals == NULL) || (vals[0] == NULL)) {
4734 DEBUG(8, ("\"displayName\" not found\n"));
4735
4736 /* fallback to the 'cn' attribute */
4737 vals = ldap_get_values(ld, entry, "cn");
4738 if ((vals == NULL) || (vals[0] == NULL)) {
4739 DEBUG(5, ("\"cn\" not found\n"));
4740 return False;
4741 }
4742 if (!pull_utf8_talloc(mem_ctx,
4743 CONST_DISCARD(char **,
4744 &result->account_name),
4745 vals[0], &converted_size))
4746 {
4747 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4748 "failed: %s", strerror(errno)));
4749 }
4750 }
4751 else if (!pull_utf8_talloc(mem_ctx,
4752 CONST_DISCARD(char **,
4753 &result->account_name),
4754 vals[0], &converted_size))
4755 {
4756 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4757 strerror(errno)));
4758 }
4759
4760 ldap_value_free(vals);
4761
4762 vals = ldap_get_values(ld, entry, "description");
4763 if ((vals == NULL) || (vals[0] == NULL))
4764 DEBUG(8, ("\"description\" not found\n"));
4765 else if (!pull_utf8_talloc(mem_ctx,
4766 CONST_DISCARD(char **, &result->description),
4767 vals[0], &converted_size))
4768 {
4769 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4770 strerror(errno)));
4771 }
4772 ldap_value_free(vals);
4773
4774 if ((result->account_name == NULL) ||
4775 (result->fullname == NULL) ||
4776 (result->description == NULL)) {
4777 DEBUG(0, ("talloc failed\n"));
4778 return False;
4779 }
4780
4781 vals = ldap_get_values(ld, entry, "sambaSid");
4782 if ((vals == NULL) || (vals[0] == NULL)) {
4783 DEBUG(0, ("\"objectSid\" not found\n"));
4784 if (vals != NULL) {
4785 ldap_value_free(vals);
4786 }
4787 return False;
4788 }
4789
4790 if (!string_to_sid(&sid, vals[0])) {
4791 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4792 return False;
4793 }
4794
4795 ldap_value_free(vals);
4796
4797 switch (group_type) {
4798 case SID_NAME_DOM_GRP:
4799 case SID_NAME_ALIAS:
4800
4801 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4802 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4803 {
4804 DEBUG(0, ("%s is not in our domain\n",
4805 sid_string_dbg(&sid)));
4806 return False;
4807 }
4808 break;
4809
4810 default:
4811 DEBUG(0,("unkown group type: %d\n", group_type));
4812 return False;
4813 }
4814
4815 result->acct_flags = 0;
4816
4817 return True;
4818 }
4819
4820 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4821 struct pdb_search *search,
4822 const DOM_SID *sid,
4823 enum lsa_SidType type)
4824 {
4825 struct ldapsam_privates *ldap_state =
4826 (struct ldapsam_privates *)methods->private_data;
4827 struct ldap_search_state *state;
4828 fstring tmp;
4829
4830 state = talloc(search, struct ldap_search_state);
4831 if (state == NULL) {
4832 DEBUG(0, ("talloc failed\n"));
4833 return False;
4834 }
4835
4836 state->connection = ldap_state->smbldap_state;
4837
4838 state->base = talloc_strdup(search, lp_ldap_suffix());
4839 state->connection = ldap_state->smbldap_state;
4840 state->scope = LDAP_SCOPE_SUBTREE;
4841 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4842 "(sambaGroupType=%d)(sambaSID=%s*))",
4843 LDAP_OBJ_GROUPMAP,
4844 type, sid_to_fstring(tmp, sid));
4845 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4846 "displayName", "description",
4847 "sambaGroupType", NULL);
4848 state->attrsonly = 0;
4849 state->pagedresults_cookie = NULL;
4850 state->entries = NULL;
4851 state->group_type = type;
4852 state->ldap2displayentry = ldapgroup2displayentry;
4853
4854 if ((state->filter == NULL) || (state->attrs == NULL)) {
4855 DEBUG(0, ("talloc failed\n"));
4856 return False;
4857 }
4858
4859 search->private_data = state;
4860 search->next_entry = ldapsam_search_next_entry;
4861 search->search_end = ldapsam_search_end;
4862
4863 return ldapsam_search_firstpage(search);
4864 }
4865
4866 static bool ldapsam_search_groups(struct pdb_methods *methods,
4867 struct pdb_search *search)
4868 {
4869 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4870 }
4871
4872 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4873 struct pdb_search *search,
4874 const DOM_SID *sid)
4875 {
4876 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4877 }
4878
4879 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4880 {
4881 return PDB_CAP_STORE_RIDS;
4882 }
4883
4884 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4885 uint32 *rid)
4886 {
4887 struct smbldap_state *smbldap_state = priv->smbldap_state;
4888
4889 LDAPMessage *result = NULL;
4890 LDAPMessage *entry = NULL;
4891 LDAPMod **mods = NULL;
4892 NTSTATUS status;
4893 char *value;
4894 int rc;
4895 uint32 nextRid = 0;
4896 const char *dn;
4897
4898 TALLOC_CTX *mem_ctx;
4899
4900 mem_ctx = talloc_new(NULL);
4901 if (mem_ctx == NULL) {
4902 DEBUG(0, ("talloc_new failed\n"));
4903 return NT_STATUS_NO_MEMORY;
4904 }
4905
4906 status = smbldap_search_domain_info(smbldap_state, &result,
4907 get_global_sam_name(), False);
4908 if (!NT_STATUS_IS_OK(status)) {
4909 DEBUG(3, ("Could not get domain info: %s\n",
4910 nt_errstr(status)));
4911 goto done;
4912 }
4913
4914 talloc_autofree_ldapmsg(mem_ctx, result);
4915
4916 entry = ldap_first_entry(priv2ld(priv), result);
4917 if (entry == NULL) {
4918 DEBUG(0, ("Could not get domain info entry\n"));
4919 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4920 goto done;
4921 }
4922
4923 /* Find the largest of the three attributes "sambaNextRid",
4924 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4925 concept of differentiating between user and group rids, and will
4926 use only "sambaNextRid" in the future. But for compatibility
4927 reasons I look if others have chosen different strategies -- VL */
4928
4929 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4930 "sambaNextRid", mem_ctx);
4931 if (value != NULL) {
4932 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4933 nextRid = MAX(nextRid, tmp);
4934 }
4935
4936 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4937 "sambaNextUserRid", mem_ctx);
4938 if (value != NULL) {
4939 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4940 nextRid = MAX(nextRid, tmp);
4941 }
4942
4943 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4944 "sambaNextGroupRid", mem_ctx);
4945 if (value != NULL) {
4946 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4947 nextRid = MAX(nextRid, tmp);
4948 }
4949
4950 if (nextRid == 0) {
4951 nextRid = BASE_RID-1;
4952 }
4953
4954 nextRid += 1;
4955
4956 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4957 talloc_asprintf(mem_ctx, "%d", nextRid));
4958 talloc_autofree_ldapmod(mem_ctx, mods);
4959
4960 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4961 status = NT_STATUS_NO_MEMORY;
4962 goto done;
4963 }
4964
4965 rc = smbldap_modify(smbldap_state, dn, mods);
4966
4967 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4968 * please retry" */
4969
4970 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4971
4972 done:
4973 if (NT_STATUS_IS_OK(status)) {
4974 *rid = nextRid;
4975 }
4976
4977 TALLOC_FREE(mem_ctx);
4978 return status;
4979 }
4980
4981 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4982 {
4983 int i;
4984
4985 for (i=0; i<10; i++) {
4986 NTSTATUS result = ldapsam_get_new_rid(
4987 (struct ldapsam_privates *)methods->private_data, rid);
4988 if (NT_STATUS_IS_OK(result)) {
4989 return result;
4990 }
4991
4992 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4993 return result;
4994 }
4995
4996 /* The ldap update failed (maybe a race condition), retry */
4997 }
4998
4999 /* Tried 10 times, fail. */
5000 return NT_STATUS_ACCESS_DENIED;
5001 }
5002
5003 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
5004 {
5005 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5006 return NT_STATUS_IS_OK(result) ? True : False;
5007 }
5008
5009 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5010 const DOM_SID *sid,
5011 union unid_t *id, enum lsa_SidType *type)
5012 {
5013 struct ldapsam_privates *priv =
5014 (struct ldapsam_privates *)methods->private_data;
5015 char *filter;
5016 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5017 NULL };
5018 LDAPMessage *result = NULL;
5019 LDAPMessage *entry = NULL;
5020 bool ret = False;
5021 char *value;
5022 int rc;
5023
5024 TALLOC_CTX *mem_ctx;
5025
5026 mem_ctx = talloc_new(NULL);
5027 if (mem_ctx == NULL) {
5028 DEBUG(0, ("talloc_new failed\n"));
5029 return False;
5030 }
5031
5032 filter = talloc_asprintf(mem_ctx,
5033 "(&(sambaSid=%s)"
5034 "(|(objectClass=%s)(objectClass=%s)))",
5035 sid_string_talloc(mem_ctx, sid),
5036 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5037 if (filter == NULL) {
5038 DEBUG(5, ("talloc_asprintf failed\n"));
5039 goto done;
5040 }
5041
5042 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5043 attrs, &result);
5044 if (rc != LDAP_SUCCESS) {
5045 goto done;
5046 }
5047 talloc_autofree_ldapmsg(mem_ctx, result);
5048
5049 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5050 DEBUG(10, ("Got %d entries, expected one\n",
5051 ldap_count_entries(priv2ld(priv), result)));
5052 goto done;
5053 }
5054
5055 entry = ldap_first_entry(priv2ld(priv), result);
5056
5057 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5058 "sambaGroupType", mem_ctx);
5059
5060 if (value != NULL) {
5061 const char *gid_str;
5062 /* It's a group */
5063
5064 gid_str = smbldap_talloc_single_attribute(
5065 priv2ld(priv), entry, "gidNumber", mem_ctx);
5066 if (gid_str == NULL) {
5067 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5068 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5069 entry)));
5070 goto done;
5071 }
5072
5073 id->gid = strtoul(gid_str, NULL, 10);
5074 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5075 store_gid_sid_cache(sid, id->gid);
5076 idmap_cache_set_sid2gid(sid, id->gid);
5077 ret = True;
5078 goto done;
5079 }
5080
5081 /* It must be a user */
5082
5083 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5084 "uidNumber", mem_ctx);
5085 if (value == NULL) {
5086 DEBUG(1, ("Could not find uidNumber in %s\n",
5087 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5088 goto done;
5089 }
5090
5091 id->uid = strtoul(value, NULL, 10);
5092 *type = SID_NAME_USER;
5093 store_uid_sid_cache(sid, id->uid);
5094 idmap_cache_set_sid2uid(sid, id->uid);
5095
5096 ret = True;
5097 done:
5098 TALLOC_FREE(mem_ctx);
5099 return ret;
5100 }
5101
5102 /**
5103 * Find the SID for a uid.
5104 * This is shortcut is only used if ldapsam:trusted is set to true.
5105 */
5106 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5107 DOM_SID *sid)
5108 {
5109 struct ldapsam_privates *priv =
5110 (struct ldapsam_privates *)methods->private_data;
5111 char *filter;
5112 const char *attrs[] = { "sambaSID", NULL };
5113 LDAPMessage *result = NULL;
5114 LDAPMessage *entry = NULL;
5115 bool ret = false;
5116 char *user_sid_string;
5117 struct dom_sid user_sid;
5118 int rc;
5119 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5120
5121 filter = talloc_asprintf(tmp_ctx,
5122 "(&(uidNumber=%u)"
5123 "(objectClass=%s)"
5124 "(objectClass=%s))",
5125 (unsigned int)uid,
5126 LDAP_OBJ_POSIXACCOUNT,
5127 LDAP_OBJ_SAMBASAMACCOUNT);
5128 if (filter == NULL) {
5129 DEBUG(3, ("talloc_asprintf failed\n"));
5130 goto done;
5131 }
5132
5133 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5134 if (rc != LDAP_SUCCESS) {
5135 goto done;
5136 }
5137 talloc_autofree_ldapmsg(tmp_ctx, result);
5138
5139 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5140 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5141 ldap_count_entries(priv2ld(priv), result),
5142 (unsigned int)uid));
5143 goto done;
5144 }
5145
5146 entry = ldap_first_entry(priv2ld(priv), result);
5147
5148 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5149 "sambaSID", tmp_ctx);
5150 if (user_sid_string == NULL) {
5151 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5152 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5153 goto done;
5154 }
5155
5156 if (!string_to_sid(&user_sid, user_sid_string)) {
5157 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5158 user_sid_string));
5159 goto done;
5160 }
5161
5162 sid_copy(sid, &user_sid);
5163
5164 store_uid_sid_cache(sid, uid);
5165 idmap_cache_set_sid2uid(sid, uid);
5166
5167 ret = true;
5168
5169 done:
5170 TALLOC_FREE(tmp_ctx);
5171 return ret;
5172 }
5173
5174 /**
5175 * Find the SID for a gid.
5176 * This is shortcut is only used if ldapsam:trusted is set to true.
5177 */
5178 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5179 DOM_SID *sid)
5180 {
5181 struct ldapsam_privates *priv =
5182 (struct ldapsam_privates *)methods->private_data;
5183 char *filter;
5184 const char *attrs[] = { "sambaSID", NULL };
5185 LDAPMessage *result = NULL;
5186 LDAPMessage *entry = NULL;
5187 bool ret = false;
5188 char *group_sid_string;
5189 DOM_SID group_sid;
5190 int rc;
5191 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5192
5193 filter = talloc_asprintf(tmp_ctx,
5194 "(&(gidNumber=%u)"
5195 "(objectClass=%s))",
5196 (unsigned int)gid,
5197 LDAP_OBJ_GROUPMAP);
5198 if (filter == NULL) {
5199 DEBUG(3, ("talloc_asprintf failed\n"));
5200 goto done;
5201 }
5202
5203 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5204 if (rc != LDAP_SUCCESS) {
5205 goto done;
5206 }
5207 talloc_autofree_ldapmsg(tmp_ctx, result);
5208
5209 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5210 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5211 ldap_count_entries(priv2ld(priv), result),
5212 (unsigned int)gid));
5213 goto done;
5214 }
5215
5216 entry = ldap_first_entry(priv2ld(priv), result);
5217
5218 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5219 "sambaSID", tmp_ctx);
5220 if (group_sid_string == NULL) {
5221 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5222 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5223 goto done;
5224 }
5225
5226 if (!string_to_sid(&group_sid, group_sid_string)) {
5227 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5228 group_sid_string));
5229 goto done;
5230 }
5231
5232 sid_copy(sid, &group_sid);
5233
5234 store_gid_sid_cache(sid, gid);
5235 idmap_cache_set_sid2gid(sid, gid);
5236
5237 ret = true;
5238
5239 done:
5240 TALLOC_FREE(tmp_ctx);
5241 return ret;
5242 }
5243
5244
5245 /*
5246 * The following functions are called only if
5247 * ldapsam:trusted and ldapsam:editposix are
5248 * set to true
5249 */
5250
5251 /*
5252 * ldapsam_create_user creates a new
5253 * posixAccount and sambaSamAccount object
5254 * in the ldap users subtree
5255 *
5256 * The uid is allocated by winbindd.
5257 */
5258
5259 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5260 TALLOC_CTX *tmp_ctx, const char *name,
5261 uint32 acb_info, uint32 *rid)
5262 {
5263 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5264 LDAPMessage *entry = NULL;
5265 LDAPMessage *result = NULL;
5266 uint32 num_result;
5267 bool is_machine = False;
5268 bool add_posix = False;
5269 LDAPMod **mods = NULL;
5270 struct samu *user;
5271 char *filter;
5272 char *username;
5273 char *homedir;
5274 char *gidstr;
5275 char *uidstr;
5276 char *shell;
5277 const char *dn = NULL;
5278 DOM_SID group_sid;
5279 DOM_SID user_sid;
5280 gid_t gid = -1;
5281 uid_t uid = -1;
5282 NTSTATUS ret;
5283 int rc;
5284
5285 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5286 acb_info & ACB_WSTRUST ||
5287 acb_info & ACB_SVRTRUST ||
5288 acb_info & ACB_DOMTRUST) {
5289 is_machine = True;
5290 }
5291
5292 username = escape_ldap_string(talloc_tos(), name);
5293 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5294 username, LDAP_OBJ_POSIXACCOUNT);
5295 TALLOC_FREE(username);
5296
5297 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5298 if (rc != LDAP_SUCCESS) {
5299 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5300 return NT_STATUS_ACCESS_DENIED;
5301 }
5302 talloc_autofree_ldapmsg(tmp_ctx, result);
5303
5304 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5305
5306 if (num_result > 1) {
5307 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5308 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5309 }
5310
5311 if (num_result == 1) {
5312 char *tmp;
5313 /* check if it is just a posix account.
5314 * or if there is a sid attached to this entry
5315 */
5316
5317 entry = ldap_first_entry(priv2ld(ldap_state), result);
5318 if (!entry) {
5319 return NT_STATUS_UNSUCCESSFUL;
5320 }
5321
5322 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5323 if (tmp) {
5324 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5325 return NT_STATUS_USER_EXISTS;
5326 }
5327
5328 /* it is just a posix account, retrieve the dn for later use */
5329 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5330 if (!dn) {
5331 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5332 return NT_STATUS_NO_MEMORY;
5333 }
5334 }
5335
5336 if (num_result == 0) {
5337 add_posix = True;
5338 }
5339
5340 /* Create the basic samu structure and generate the mods for the ldap commit */
5341 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5342 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5343 return ret;
5344 }
5345
5346 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5347
5348 user = samu_new(tmp_ctx);
5349 if (!user) {
5350 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5351 return NT_STATUS_NO_MEMORY;
5352 }
5353
5354 if (!pdb_set_username(user, name, PDB_SET)) {
5355 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5356 return NT_STATUS_UNSUCCESSFUL;
5357 }
5358 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5359 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5360 return NT_STATUS_UNSUCCESSFUL;
5361 }
5362 if (is_machine) {
5363 if (acb_info & ACB_NORMAL) {
5364 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5365 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5366 return NT_STATUS_UNSUCCESSFUL;
5367 }
5368 } else {
5369 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5370 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5371 return NT_STATUS_UNSUCCESSFUL;
5372 }
5373 }
5374 } else {
5375 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5376 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5377 return NT_STATUS_UNSUCCESSFUL;
5378 }
5379 }
5380
5381 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5382 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5383 return NT_STATUS_UNSUCCESSFUL;
5384 }
5385
5386 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5387 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5388 return NT_STATUS_UNSUCCESSFUL;
5389 }
5390
5391 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5392 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5393 }
5394 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5395
5396 if (add_posix) {
5397 char *escape_name;
5398
5399 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5400
5401 /* retrieve the Domain Users group gid */
5402 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5403 !sid_to_gid(&group_sid, &gid)) {
5404 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5405 return NT_STATUS_INVALID_PRIMARY_GROUP;
5406 }
5407
5408 /* lets allocate a new userid for this user */
5409 if (!winbind_allocate_uid(&uid)) {
5410 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5411 return NT_STATUS_UNSUCCESSFUL;
5412 }
5413
5414
5415 if (is_machine) {
5416 /* TODO: choose a more appropriate default for machines */
5417 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5418 shell = talloc_strdup(tmp_ctx, "/bin/false");
5419 } else {
5420 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5421 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5422 }
5423 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5424 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5425
5426 escape_name = escape_rdn_val_string_alloc(name);
5427 if (!escape_name) {
5428 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5429 return NT_STATUS_NO_MEMORY;
5430 }
5431
5432 if (is_machine) {
5433 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5434 } else {
5435 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5436 }
5437
5438 SAFE_FREE(escape_name);
5439
5440 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5441 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5442 return NT_STATUS_NO_MEMORY;
5443 }
5444
5445 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5446 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5447 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5448 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5450 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5452 }
5453
5454 talloc_autofree_ldapmod(tmp_ctx, mods);
5455
5456 if (add_posix) {
5457 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5458 } else {
5459 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5460 }
5461
5462 if (rc != LDAP_SUCCESS) {
5463 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5464 return NT_STATUS_UNSUCCESSFUL;
5465 }
5466
5467 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5468
5469 flush_pwnam_cache();
5470
5471 return NT_STATUS_OK;
5472 }
5473
5474 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5475 {
5476 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5477 LDAPMessage *result = NULL;
5478 LDAPMessage *entry = NULL;
5479 int num_result;
5480 const char *dn;
5481 char *filter;
5482 int rc;
5483
5484 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5485
5486 filter = talloc_asprintf(tmp_ctx,
5487 "(&(uid=%s)"
5488 "(objectClass=%s)"
5489 "(objectClass=%s))",
5490 pdb_get_username(sam_acct),
5491 LDAP_OBJ_POSIXACCOUNT,
5492 LDAP_OBJ_SAMBASAMACCOUNT);
5493 if (filter == NULL) {
5494 return NT_STATUS_NO_MEMORY;
5495 }
5496
5497 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5498 if (rc != LDAP_SUCCESS) {
5499 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5500 return NT_STATUS_UNSUCCESSFUL;
5501 }
5502 talloc_autofree_ldapmsg(tmp_ctx, result);
5503
5504 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5505
5506 if (num_result == 0) {
5507 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5508 return NT_STATUS_NO_SUCH_USER;
5509 }
5510
5511 if (num_result > 1) {
5512 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5513 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5514 }
5515
5516 entry = ldap_first_entry(priv2ld(ldap_state), result);
5517 if (!entry) {
5518 return NT_STATUS_UNSUCCESSFUL;
5519 }
5520
5521 /* it is just a posix account, retrieve the dn for later use */
5522 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5523 if (!dn) {
5524 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5525 return NT_STATUS_NO_MEMORY;
5526 }
5527
5528 /* try to remove memberships first */
5529 {
5530 NTSTATUS status;
5531 struct dom_sid *sids = NULL;
5532 gid_t *gids = NULL;
5533 size_t num_groups = 0;
5534 int i;
5535 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5536
5537 status = ldapsam_enum_group_memberships(my_methods,
5538 tmp_ctx,
5539 sam_acct,
5540 &sids,
5541 &gids,
5542 &num_groups);
5543 if (!NT_STATUS_IS_OK(status)) {
5544 goto delete_dn;
5545 }
5546
5547 for (i=0; i < num_groups; i++) {
5548
5549 uint32_t group_rid;
5550
5551 sid_peek_rid(&sids[i], &group_rid);
5552
5553 ldapsam_del_groupmem(my_methods,
5554 tmp_ctx,
5555 group_rid,
5556 user_rid);
5557 }
5558 }
5559
5560 delete_dn:
5561
5562 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5563 if (rc != LDAP_SUCCESS) {
5564 return NT_STATUS_UNSUCCESSFUL;
5565 }
5566
5567 flush_pwnam_cache();
5568
5569 return NT_STATUS_OK;
5570 }
5571
5572 /*
5573 * ldapsam_create_group creates a new
5574 * posixGroup and sambaGroupMapping object
5575 * in the ldap groups subtree
5576 *
5577 * The gid is allocated by winbindd.
5578 */
5579
5580 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5581 TALLOC_CTX *tmp_ctx,
5582 const char *name,
5583 uint32 *rid)
5584 {
5585 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5586 NTSTATUS ret;
5587 LDAPMessage *entry = NULL;
5588 LDAPMessage *result = NULL;
5589 uint32 num_result;
5590 bool is_new_entry = False;
5591 LDAPMod **mods = NULL;
5592 char *filter;
5593 char *groupsidstr;
5594 char *groupname;
5595 char *grouptype;
5596 char *gidstr;
5597 const char *dn = NULL;
5598 DOM_SID group_sid;
5599 gid_t gid = -1;
5600 int rc;
5601
5602 groupname = escape_ldap_string(talloc_tos(), name);
5603 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5604 groupname, LDAP_OBJ_POSIXGROUP);
5605 TALLOC_FREE(groupname);
5606
5607 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5608 if (rc != LDAP_SUCCESS) {
5609 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5610 return NT_STATUS_UNSUCCESSFUL;
5611 }
5612 talloc_autofree_ldapmsg(tmp_ctx, result);
5613
5614 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5615
5616 if (num_result > 1) {
5617 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5618 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5619 }
5620
5621 if (num_result == 1) {
5622 char *tmp;
5623 /* check if it is just a posix group.
5624 * or if there is a sid attached to this entry
5625 */
5626
5627 entry = ldap_first_entry(priv2ld(ldap_state), result);
5628 if (!entry) {
5629 return NT_STATUS_UNSUCCESSFUL;
5630 }
5631
5632 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5633 if (tmp) {
5634 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5635 return NT_STATUS_GROUP_EXISTS;
5636 }
5637
5638 /* it is just a posix group, retrieve the gid and the dn for later use */
5639 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5640 if (!tmp) {
5641 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5642 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5643 }
5644
5645 gid = strtoul(tmp, NULL, 10);
5646
5647 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5648 if (!dn) {
5649 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5650 return NT_STATUS_NO_MEMORY;
5651 }
5652 }
5653
5654 if (num_result == 0) {
5655 char *escape_name;
5656
5657 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5658
5659 is_new_entry = True;
5660
5661 /* lets allocate a new groupid for this group */
5662 if (!winbind_allocate_gid(&gid)) {
5663 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5664 return NT_STATUS_UNSUCCESSFUL;
5665 }
5666
5667 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5668
5669 escape_name = escape_rdn_val_string_alloc(name);
5670 if (!escape_name) {
5671 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5672 return NT_STATUS_NO_MEMORY;
5673 }
5674
5675 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5676
5677 SAFE_FREE(escape_name);
5678
5679 if (!gidstr || !dn) {
5680 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5681 return NT_STATUS_NO_MEMORY;
5682 }
5683
5684 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5685 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5686 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5687 }
5688
5689 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5690 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5691 return ret;
5692 }
5693
5694 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5695
5696 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5697 &group_sid));
5698 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5699
5700 if (!groupsidstr || !grouptype) {
5701 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5702 return NT_STATUS_NO_MEMORY;
5703 }
5704
5705 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5706 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5707 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5708 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5709 talloc_autofree_ldapmod(tmp_ctx, mods);
5710
5711 if (is_new_entry) {
5712 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5713 #if 0
5714 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5715 /* This call may fail with rfc2307bis schema */
5716 /* Retry adding a structural class */
5717 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5718 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5719 }
5720 #endif
5721 } else {
5722 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5723 }
5724
5725 if (rc != LDAP_SUCCESS) {
5726 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5727 return NT_STATUS_UNSUCCESSFUL;
5728 }
5729
5730 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5731
5732 return NT_STATUS_OK;
5733 }
5734
5735 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5736 {
5737 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5738 LDAPMessage *result = NULL;
5739 LDAPMessage *entry = NULL;
5740 int num_result;
5741 const char *dn;
5742 char *gidstr;
5743 char *filter;
5744 DOM_SID group_sid;
5745 int rc;
5746
5747 /* get the group sid */
5748 sid_compose(&group_sid, get_global_sam_sid(), rid);
5749
5750 filter = talloc_asprintf(tmp_ctx,
5751 "(&(sambaSID=%s)"
5752 "(objectClass=%s)"
5753 "(objectClass=%s))",
5754 sid_string_talloc(tmp_ctx, &group_sid),
5755 LDAP_OBJ_POSIXGROUP,
5756 LDAP_OBJ_GROUPMAP);
5757 if (filter == NULL) {
5758 return NT_STATUS_NO_MEMORY;
5759 }
5760
5761 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5762 if (rc != LDAP_SUCCESS) {
5763 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5764 return NT_STATUS_UNSUCCESSFUL;
5765 }
5766 talloc_autofree_ldapmsg(tmp_ctx, result);
5767
5768 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5769
5770 if (num_result == 0) {
5771 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5772 return NT_STATUS_NO_SUCH_GROUP;
5773 }
5774
5775 if (num_result > 1) {
5776 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5777 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5778 }
5779
5780 entry = ldap_first_entry(priv2ld(ldap_state), result);
5781 if (!entry) {
5782 return NT_STATUS_UNSUCCESSFUL;
5783 }
5784
5785 /* here it is, retrieve the dn for later use */
5786 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5787 if (!dn) {
5788 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5789 return NT_STATUS_NO_MEMORY;
5790 }
5791
5792 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5793 if (!gidstr) {
5794 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5795 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5796 }
5797
5798 /* check no user have this group marked as primary group */
5799 filter = talloc_asprintf(tmp_ctx,
5800 "(&(gidNumber=%s)"
5801 "(objectClass=%s)"
5802 "(objectClass=%s))",
5803 gidstr,
5804 LDAP_OBJ_POSIXACCOUNT,
5805 LDAP_OBJ_SAMBASAMACCOUNT);
5806
5807 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5808 if (rc != LDAP_SUCCESS) {
5809 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5810 return NT_STATUS_UNSUCCESSFUL;
5811 }
5812 talloc_autofree_ldapmsg(tmp_ctx, result);
5813
5814 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5815
5816 if (num_result != 0) {
5817 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5818 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5819 }
5820
5821 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5822 if (rc != LDAP_SUCCESS) {
5823 return NT_STATUS_UNSUCCESSFUL;
5824 }
5825
5826 return NT_STATUS_OK;
5827 }
5828
5829 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5830 TALLOC_CTX *tmp_ctx,
5831 uint32 group_rid,
5832 uint32 member_rid,
5833 int modop)
5834 {
5835 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5836 LDAPMessage *entry = NULL;
5837 LDAPMessage *result = NULL;
5838 uint32 num_result;
5839 LDAPMod **mods = NULL;
5840 char *filter;
5841 char *uidstr;
5842 const char *dn = NULL;
5843 DOM_SID group_sid;
5844 DOM_SID member_sid;
5845 int rc;
5846
5847 switch (modop) {
5848 case LDAP_MOD_ADD:
5849 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5850 break;
5851 case LDAP_MOD_DELETE:
5852 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5853 break;
5854 default:
5855 return NT_STATUS_UNSUCCESSFUL;
5856 }
5857
5858 /* get member sid */
5859 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5860
5861 /* get the group sid */
5862 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5863
5864 filter = talloc_asprintf(tmp_ctx,
5865 "(&(sambaSID=%s)"
5866 "(objectClass=%s)"
5867 "(objectClass=%s))",
5868 sid_string_talloc(tmp_ctx, &member_sid),
5869 LDAP_OBJ_POSIXACCOUNT,
5870 LDAP_OBJ_SAMBASAMACCOUNT);
5871 if (filter == NULL) {
5872 return NT_STATUS_NO_MEMORY;
5873 }
5874
5875 /* get the member uid */
5876 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5877 if (rc != LDAP_SUCCESS) {
5878 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5879 return NT_STATUS_UNSUCCESSFUL;
5880 }
5881 talloc_autofree_ldapmsg(tmp_ctx, result);
5882
5883 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5884
5885 if (num_result == 0) {
5886 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5887 return NT_STATUS_NO_SUCH_MEMBER;
5888 }
5889
5890 if (num_result > 1) {
5891 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5892 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5893 }
5894
5895 entry = ldap_first_entry(priv2ld(ldap_state), result);
5896 if (!entry) {
5897 return NT_STATUS_UNSUCCESSFUL;
5898 }
5899
5900 if (modop == LDAP_MOD_DELETE) {
5901 /* check if we are trying to remove the member from his primary group */
5902 char *gidstr;
5903 gid_t user_gid, group_gid;
5904
5905 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5906 if (!gidstr) {
5907 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5908 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5909 }
5910
5911 user_gid = strtoul(gidstr, NULL, 10);
5912
5913 if (!sid_to_gid(&group_sid, &group_gid)) {
5914 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5915 return NT_STATUS_UNSUCCESSFUL;
5916 }
5917
5918 if (user_gid == group_gid) {
5919 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5920 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5921 }
5922 }
5923
5924 /* here it is, retrieve the uid for later use */
5925 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5926 if (!uidstr) {
5927 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5928 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5929 }
5930
5931 filter = talloc_asprintf(tmp_ctx,
5932 "(&(sambaSID=%s)"
5933 "(objectClass=%s)"
5934 "(objectClass=%s))",
5935 sid_string_talloc(tmp_ctx, &group_sid),
5936 LDAP_OBJ_POSIXGROUP,
5937 LDAP_OBJ_GROUPMAP);
5938
5939 /* get the group */
5940 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5941 if (rc != LDAP_SUCCESS) {
5942 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5943 return NT_STATUS_UNSUCCESSFUL;
5944 }
5945 talloc_autofree_ldapmsg(tmp_ctx, result);
5946
5947 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5948
5949 if (num_result == 0) {
5950 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5951 return NT_STATUS_NO_SUCH_GROUP;
5952 }
5953
5954 if (num_result > 1) {
5955 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5956 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5957 }
5958
5959 entry = ldap_first_entry(priv2ld(ldap_state), result);
5960 if (!entry) {
5961 return NT_STATUS_UNSUCCESSFUL;
5962 }
5963
5964 /* here it is, retrieve the dn for later use */
5965 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5966 if (!dn) {
5967 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5968 return NT_STATUS_NO_MEMORY;
5969 }
5970
5971 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5972
5973 talloc_autofree_ldapmod(tmp_ctx, mods);
5974
5975 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5976 if (rc != LDAP_SUCCESS) {
5977 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5978 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5979 return NT_STATUS_MEMBER_IN_GROUP;
5980 }
5981 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5982 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5983 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5984 }
5985 return NT_STATUS_UNSUCCESSFUL;
5986 }
5987
5988 return NT_STATUS_OK;
5989 }
5990
5991 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5992 TALLOC_CTX *tmp_ctx,
5993 uint32 group_rid,
5994 uint32 member_rid)
5995 {
5996 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5997 }
5998 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5999 TALLOC_CTX *tmp_ctx,
6000 uint32 group_rid,
6001 uint32 member_rid)
6002 {
6003 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6004 }
6005
6006 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6007 TALLOC_CTX *mem_ctx,
6008 struct samu *sampass)
6009 {
6010 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6011 LDAPMessage *entry = NULL;
6012 LDAPMessage *result = NULL;
6013 uint32 num_result;
6014 LDAPMod **mods = NULL;
6015 char *filter;
6016 char *escape_username;
6017 char *gidstr;
6018 const char *dn = NULL;
6019 gid_t gid;
6020 int rc;
6021
6022 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6023
6024 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6025 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6026 return NT_STATUS_UNSUCCESSFUL;
6027 }
6028 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6029 if (!gidstr) {
6030 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6031 return NT_STATUS_NO_MEMORY;
6032 }
6033
6034 escape_username = escape_ldap_string(talloc_tos(),
6035 pdb_get_username(sampass));
6036 if (escape_username== NULL) {
6037 return NT_STATUS_NO_MEMORY;
6038 }
6039
6040 filter = talloc_asprintf(mem_ctx,
6041 "(&(uid=%s)"
6042 "(objectClass=%s)"
6043 "(objectClass=%s))",
6044 escape_username,
6045 LDAP_OBJ_POSIXACCOUNT,
6046 LDAP_OBJ_SAMBASAMACCOUNT);
6047
6048 TALLOC_FREE(escape_username);
6049
6050 if (filter == NULL) {
6051 return NT_STATUS_NO_MEMORY;
6052 }
6053
6054 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6055 if (rc != LDAP_SUCCESS) {
6056 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6057 return NT_STATUS_UNSUCCESSFUL;
6058 }
6059 talloc_autofree_ldapmsg(mem_ctx, result);
6060
6061 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6062
6063 if (num_result == 0) {
6064 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6065 return NT_STATUS_NO_SUCH_USER;
6066 }
6067
6068 if (num_result > 1) {
6069 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6070 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6071 }
6072
6073 entry = ldap_first_entry(priv2ld(ldap_state), result);
6074 if (!entry) {
6075 return NT_STATUS_UNSUCCESSFUL;
6076 }
6077
6078 /* retrieve the dn for later use */
6079 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6080 if (!dn) {
6081 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6082 return NT_STATUS_NO_MEMORY;
6083 }
6084
6085 /* remove the old one, and add the new one, this way we do not risk races */
6086 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6087
6088 if (mods == NULL) {
6089 return NT_STATUS_OK;
6090 }
6091
6092 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6093
6094 if (rc != LDAP_SUCCESS) {
6095 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6096 pdb_get_username(sampass), gidstr));
6097 return NT_STATUS_UNSUCCESSFUL;
6098 }
6099
6100 flush_pwnam_cache();
6101
6102 return NT_STATUS_OK;
6103 }
6104
6105
6106 /**********************************************************************
6107 trusted domains functions
6108 *********************************************************************/
6109
6110 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6111 const char *domain)
6112 {
6113 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6114 ldap_state->domain_dn);
6115 }
6116
6117 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6118 TALLOC_CTX *mem_ctx,
6119 const char *domain, LDAPMessage **entry)
6120 {
6121 int rc;
6122 char *filter;
6123 int scope = LDAP_SCOPE_SUBTREE;
6124 const char **attrs = NULL; /* NULL: get all attrs */
6125 int attrsonly = 0; /* 0: return values too */
6126 LDAPMessage *result = NULL;
6127 char *trusted_dn;
6128 uint32 num_result;
6129
6130 filter = talloc_asprintf(talloc_tos(),
6131 "(&(objectClass=%s)(sambaDomainName=%s))",
6132 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6133
6134 trusted_dn = trusteddom_dn(ldap_state, domain);
6135 if (trusted_dn == NULL) {
6136 return False;
6137 }
6138 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6139 filter, attrs, attrsonly, &result);
6140
6141 if (result != NULL) {
6142 talloc_autofree_ldapmsg(mem_ctx, result);
6143 }
6144
6145 if (rc == LDAP_NO_SUCH_OBJECT) {
6146 *entry = NULL;
6147 return True;
6148 }
6149
6150 if (rc != LDAP_SUCCESS) {
6151 return False;
6152 }
6153
6154 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6155
6156 if (num_result > 1) {
6157 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6158 "%s object for domain '%s'?!\n",
6159 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6160 return False;
6161 }
6162
6163 if (num_result == 0) {
6164 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6165 "%s object for domain %s.\n",
6166 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6167 *entry = NULL;
6168 } else {
6169 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6170 }
6171
6172 return True;
6173 }
6174
6175 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6176 const char *domain,
6177 char** pwd,
6178 DOM_SID *sid,
6179 time_t *pass_last_set_time)
6180 {
6181 struct ldapsam_privates *ldap_state =
6182 (struct ldapsam_privates *)methods->private_data;
6183 LDAPMessage *entry = NULL;
6184
6185 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6186
6187 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6188 (entry == NULL))
6189 {
6190 return False;
6191 }
6192
6193 /* password */
6194 if (pwd != NULL) {
6195 char *pwd_str;
6196 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6197 entry, "sambaClearTextPassword", talloc_tos());
6198 if (pwd_str == NULL) {
6199 return False;
6200 }
6201 /* trusteddom_pw routines do not use talloc yet... */
6202 *pwd = SMB_STRDUP(pwd_str);
6203 if (*pwd == NULL) {
6204 return False;
6205 }
6206 }
6207
6208 /* last change time */
6209 if (pass_last_set_time != NULL) {
6210 char *time_str;
6211 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6212 entry, "sambaPwdLastSet", talloc_tos());
6213 if (time_str == NULL) {
6214 return False;
6215 }
6216 *pass_last_set_time = (time_t)atol(time_str);
6217 }
6218
6219 /* domain sid */
6220 if (sid != NULL) {
6221 char *sid_str;
6222 struct dom_sid dom_sid;
6223 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6224 entry, "sambaSID",
6225 talloc_tos());
6226 if (sid_str == NULL) {
6227 return False;
6228 }
6229 if (!string_to_sid(&dom_sid, sid_str)) {
6230 return False;
6231 }
6232 sid_copy(sid, &dom_sid);
6233 }
6234
6235 return True;
6236 }
6237
6238 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6239 const char* domain,
6240 const char* pwd,
6241 const DOM_SID *sid)
6242 {
6243 struct ldapsam_privates *ldap_state =
6244 (struct ldapsam_privates *)methods->private_data;
6245 LDAPMessage *entry = NULL;
6246 LDAPMod **mods = NULL;
6247 char *prev_pwd = NULL;
6248 char *trusted_dn = NULL;
6249 int rc;
6250
6251 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6252
6253 /*
6254 * get the current entry (if there is one) in order to put the
6255 * current password into the previous password attribute
6256 */
6257 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6258 return False;
6259 }
6260
6261 mods = NULL;
6262 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6263 LDAP_OBJ_TRUSTDOM_PASSWORD);
6264 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6265 domain);
6266 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6267 sid_string_tos(sid));
6268 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6269 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6270 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6271 "sambaClearTextPassword", pwd);
6272
6273 if (entry != NULL) {
6274 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6275 entry, "sambaClearTextPassword", talloc_tos());
6276 if (prev_pwd != NULL) {
6277 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6278 "sambaPreviousClearTextPassword",
6279 prev_pwd);
6280 }
6281 }
6282
6283 talloc_autofree_ldapmod(talloc_tos(), mods);
6284
6285 trusted_dn = trusteddom_dn(ldap_state, domain);
6286 if (trusted_dn == NULL) {
6287 return False;
6288 }
6289 if (entry == NULL) {
6290 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6291 } else {
6292 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6293 }
6294
6295 if (rc != LDAP_SUCCESS) {
6296 DEBUG(1, ("error writing trusted domain password!\n"));
6297 return False;
6298 }
6299
6300 return True;
6301 }
6302
6303 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6304 const char *domain)
6305 {
6306 int rc;
6307 struct ldapsam_privates *ldap_state =
6308 (struct ldapsam_privates *)methods->private_data;
6309 LDAPMessage *entry = NULL;
6310 const char *trusted_dn;
6311
6312 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6313 return False;
6314 }
6315
6316 if (entry == NULL) {
6317 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6318 "%s\n", domain));
6319 return True;
6320 }
6321
6322 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6323 entry);
6324 if (trusted_dn == NULL) {
6325 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6326 return False;
6327 }
6328
6329 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6330 if (rc != LDAP_SUCCESS) {
6331 return False;
6332 }
6333
6334 return True;
6335 }
6336
6337 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6338 TALLOC_CTX *mem_ctx,
6339 uint32 *num_domains,
6340 struct trustdom_info ***domains)
6341 {
6342 int rc;
6343 struct ldapsam_privates *ldap_state =
6344 (struct ldapsam_privates *)methods->private_data;
6345 char *filter;
6346 int scope = LDAP_SCOPE_SUBTREE;
6347 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6348 int attrsonly = 0; /* 0: return values too */
6349 LDAPMessage *result = NULL;
6350 LDAPMessage *entry = NULL;
6351
6352 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6353 LDAP_OBJ_TRUSTDOM_PASSWORD);
6354
6355 rc = smbldap_search(ldap_state->smbldap_state,
6356 ldap_state->domain_dn,
6357 scope,
6358 filter,
6359 attrs,
6360 attrsonly,
6361 &result);
6362
6363 if (result != NULL) {
6364 talloc_autofree_ldapmsg(mem_ctx, result);
6365 }
6366
6367 if (rc != LDAP_SUCCESS) {
6368 return NT_STATUS_UNSUCCESSFUL;
6369 }
6370
6371 *num_domains = 0;
6372 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6373 DEBUG(1, ("talloc failed\n"));
6374 return NT_STATUS_NO_MEMORY;
6375 }
6376
6377 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6378 entry != NULL;
6379 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6380 {
6381 char *dom_name, *dom_sid_str;
6382 struct trustdom_info *dom_info;
6383
6384 dom_info = TALLOC_P(*domains, struct trustdom_info);
6385 if (dom_info == NULL) {
6386 DEBUG(1, ("talloc failed\n"));
6387 return NT_STATUS_NO_MEMORY;
6388 }
6389
6390 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6391 entry,
6392 "sambaDomainName",
6393 talloc_tos());
6394 if (dom_name == NULL) {
6395 DEBUG(1, ("talloc failed\n"));
6396 return NT_STATUS_NO_MEMORY;
6397 }
6398 dom_info->name = dom_name;
6399
6400 dom_sid_str = smbldap_talloc_single_attribute(
6401 priv2ld(ldap_state), entry, "sambaSID",
6402 talloc_tos());
6403 if (dom_sid_str == NULL) {
6404 DEBUG(1, ("talloc failed\n"));
6405 return NT_STATUS_NO_MEMORY;
6406 }
6407 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6408 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6409 dom_sid_str));
6410 return NT_STATUS_UNSUCCESSFUL;
6411 }
6412
6413 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6414 domains, num_domains);
6415
6416 if (*domains == NULL) {
6417 DEBUG(1, ("talloc failed\n"));
6418 return NT_STATUS_NO_MEMORY;
6419 }
6420 }
6421
6422 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6423 return NT_STATUS_OK;
6424 }
6425
6426
6427 /**********************************************************************
6428 Housekeeping
6429 *********************************************************************/
6430
6431 static void free_private_data(void **vp)
6432 {
6433 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6434
6435 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6436
6437 if ((*ldap_state)->result != NULL) {
6438 ldap_msgfree((*ldap_state)->result);
6439 (*ldap_state)->result = NULL;
6440 }
6441 if ((*ldap_state)->domain_dn != NULL) {
6442 SAFE_FREE((*ldap_state)->domain_dn);
6443 }
6444
6445 *ldap_state = NULL;
6446
6447 /* No need to free any further, as it is talloc()ed */
6448 }
6449
6450 /*********************************************************************
6451 Intitalise the parts of the pdb_methods structure that are common to
6452 all pdb_ldap modes
6453 *********************************************************************/
6454
6455 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6456 {
6457 NTSTATUS nt_status;
6458 struct ldapsam_privates *ldap_state;
6459
6460 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6461 return nt_status;
6462 }
6463
6464 (*pdb_method)->name = "ldapsam";
6465
6466 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6467 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6468 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6469 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6470 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6471 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6472
6473 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6474 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6475 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6476 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6477 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6478 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6479 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6480
6481 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6482 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6483
6484 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6485
6486 (*pdb_method)->capabilities = ldapsam_capabilities;
6487 (*pdb_method)->new_rid = ldapsam_new_rid;
6488
6489 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6490 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6491 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6492 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6493
6494 /* TODO: Setup private data and free */
6495
6496 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6497 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6498 return NT_STATUS_NO_MEMORY;
6499 }
6500
6501 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6502 location, &ldap_state->smbldap_state);
6503
6504 if ( !NT_STATUS_IS_OK(nt_status) ) {
6505 return nt_status;
6506 }
6507
6508 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6509 return NT_STATUS_NO_MEMORY;
6510 }
6511
6512 (*pdb_method)->private_data = ldap_state;
6513
6514 (*pdb_method)->free_private_data = free_private_data;
6515
6516 return NT_STATUS_OK;
6517 }
6518
6519 /**********************************************************************
6520 Initialise the 'compat' mode for pdb_ldap
6521 *********************************************************************/
6522
6523 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6524 {
6525 NTSTATUS nt_status;
6526 struct ldapsam_privates *ldap_state;
6527 char *uri = talloc_strdup( NULL, location );
6528
6529 trim_char( uri, '\"', '\"' );
6530 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6531 if ( uri )
6532 TALLOC_FREE( uri );
6533
6534 if ( !NT_STATUS_IS_OK(nt_status) ) {
6535 return nt_status;
6536 }
6537
6538 (*pdb_method)->name = "ldapsam_compat";
6539
6540 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6541 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6542
6543 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6544
6545 return NT_STATUS_OK;
6546 }
6547
6548 /**********************************************************************
6549 Initialise the normal mode for pdb_ldap
6550 *********************************************************************/
6551
6552 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6553 {
6554 NTSTATUS nt_status;
6555 struct ldapsam_privates *ldap_state = NULL;
6556 uint32 alg_rid_base;
6557 char *alg_rid_base_string = NULL;
6558 LDAPMessage *result = NULL;
6559 LDAPMessage *entry = NULL;
6560 DOM_SID ldap_domain_sid;
6561 DOM_SID secrets_domain_sid;
6562 char *domain_sid_string = NULL;
6563 char *dn = NULL;
6564 char *uri = talloc_strdup( NULL, location );
6565
6566 trim_char( uri, '\"', '\"' );
6567 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6568
6569 TALLOC_FREE(uri);
6570
6571 if (!NT_STATUS_IS_OK(nt_status)) {
6572 return nt_status;
6573 }
6574
6575 (*pdb_method)->name = "ldapsam";
6576
6577 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6578 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6579 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6580 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6581 (*pdb_method)->search_users = ldapsam_search_users;
6582 (*pdb_method)->search_groups = ldapsam_search_groups;
6583 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6584
6585 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6586 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6587 (*pdb_method)->enum_group_memberships =
6588 ldapsam_enum_group_memberships;
6589 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6590 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6591 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6592 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6593
6594 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6595 (*pdb_method)->create_user = ldapsam_create_user;
6596 (*pdb_method)->delete_user = ldapsam_delete_user;
6597 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6598 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6599 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6600 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6601 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6602 }
6603 }
6604
6605 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6606 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6607
6608 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6609
6610 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6611 &result,
6612 ldap_state->domain_name, True);
6613
6614 if ( !NT_STATUS_IS_OK(nt_status) ) {
6615 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6616 "info, nor add one to the domain\n"));
6617 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6618 "will be unable to allocate new users/groups, "
6619 "and will risk BDCs having inconsistant SIDs\n"));
6620 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6621 return NT_STATUS_OK;
6622 }
6623
6624 /* Given that the above might fail, everything below this must be
6625 * optional */
6626
6627 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6628 result);
6629 if (!entry) {
6630 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6631 "entry\n"));
6632 ldap_msgfree(result);
6633 return NT_STATUS_UNSUCCESSFUL;
6634 }
6635
6636 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6637 if (!dn) {
6638 ldap_msgfree(result);
6639 return NT_STATUS_UNSUCCESSFUL;
6640 }
6641
6642 ldap_state->domain_dn = smb_xstrdup(dn);
6643 TALLOC_FREE(dn);
6644
6645 domain_sid_string = smbldap_talloc_single_attribute(
6646 ldap_state->smbldap_state->ldap_struct,
6647 entry,
6648 get_userattr_key2string(ldap_state->schema_ver,
6649 LDAP_ATTR_USER_SID),
6650 talloc_tos());
6651
6652 if (domain_sid_string) {
6653 bool found_sid;
6654 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6655 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6656 "read as a valid SID\n", domain_sid_string));
6657 ldap_msgfree(result);
6658 TALLOC_FREE(domain_sid_string);
6659 return NT_STATUS_INVALID_PARAMETER;
6660 }
6661 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6662 &secrets_domain_sid);
6663 if (!found_sid || !sid_equal(&secrets_domain_sid,
6664 &ldap_domain_sid)) {
6665 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6666 "%s based on pdb_ldap results %s -> %s\n",
6667 ldap_state->domain_name,
6668 sid_string_dbg(&secrets_domain_sid),
6669 sid_string_dbg(&ldap_domain_sid)));
6670
6671 /* reset secrets.tdb sid */
6672 secrets_store_domain_sid(ldap_state->domain_name,
6673 &ldap_domain_sid);
6674 DEBUG(1, ("New global sam SID: %s\n",
6675 sid_string_dbg(get_global_sam_sid())));
6676 }
6677 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6678 TALLOC_FREE(domain_sid_string);
6679 }
6680
6681 alg_rid_base_string = smbldap_talloc_single_attribute(
6682 ldap_state->smbldap_state->ldap_struct,
6683 entry,
6684 get_attr_key2string( dominfo_attr_list,
6685 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6686 talloc_tos());
6687 if (alg_rid_base_string) {
6688 alg_rid_base = (uint32)atol(alg_rid_base_string);
6689 if (alg_rid_base != algorithmic_rid_base()) {
6690 DEBUG(0, ("The value of 'algorithmic RID base' has "
6691 "changed since the LDAP\n"
6692 "database was initialised. Aborting. \n"));
6693 ldap_msgfree(result);
6694 TALLOC_FREE(alg_rid_base_string);
6695 return NT_STATUS_UNSUCCESSFUL;
6696 }
6697 TALLOC_FREE(alg_rid_base_string);
6698 }
6699 ldap_msgfree(result);
6700
6701 return NT_STATUS_OK;
6702 }
6703
6704 NTSTATUS pdb_ldap_init(void)
6705 {
6706 NTSTATUS nt_status;
6707 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6708 return nt_status;
6709
6710 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6711 return nt_status;
6712
6713 /* Let pdb_nds register backends */
6714 pdb_nds_init();
6715
6716 return NT_STATUS_OK;
6717 }