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s3:ldap: don't search when no values where found (cherry picked from commit 700635220...
[Samba/gbeck.git] / source3 / passdb / pdb_ldap.c
blob3cf1df46144bb22ab2631d0f01c30acf27977859
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 fstring objclass_filter;
163 char *result;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 objclass_filter[0] = '\0';
175 break;
176 }
177
178 result = talloc_strdup(talloc_tos(), objclass_filter);
179 SMB_ASSERT(result != NULL);
180 return result;
181 }
182
183 /*****************************************************************
184 Scan a sequence number off OpenLDAP's syncrepl contextCSN
185 ******************************************************************/
186
187 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
188 {
189 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
190 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
191 LDAPMessage *msg = NULL;
192 LDAPMessage *entry = NULL;
193 TALLOC_CTX *mem_ctx;
194 char **values = NULL;
195 int rc, num_result, num_values, rid;
196 char *suffix = NULL;
197 char *tok;
198 const char *p;
199 const char **attrs;
200
201 /* Unfortunatly there is no proper way to detect syncrepl-support in
202 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
203 * but do not show up in the root-DSE yet. Neither we can query the
204 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
205 * objectclass. Currently we require lp_ldap_suffix() to show up as
206 * namingContext. - Guenther
207 */
208
209 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
210 return ntstatus;
211 }
212
213 if (!seq_num) {
214 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
215 return ntstatus;
216 }
217
218 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
219 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
220 "as top-level namingContext\n", lp_ldap_suffix()));
221 return ntstatus;
222 }
223
224 mem_ctx = talloc_init("ldapsam_get_seq_num");
225
226 if (mem_ctx == NULL)
227 return NT_STATUS_NO_MEMORY;
228
229 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233
234 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
235 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
236 if (rid > 0) {
237
238 /* consumer syncreplCookie: */
239 /* csn=20050126161620Z#0000001#00#00000 */
240 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
241 attrs[1] = NULL;
242 suffix = talloc_asprintf(mem_ctx,
243 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
244 if (!suffix) {
245 ntstatus = NT_STATUS_NO_MEMORY;
246 goto done;
247 }
248 } else {
249
250 /* provider contextCSN */
251 /* 20050126161620Z#000009#00#000000 */
252 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
253 attrs[1] = NULL;
254 suffix = talloc_asprintf(mem_ctx,
255 "cn=ldapsync,%s", lp_ldap_suffix());
256
257 if (!suffix) {
258 ntstatus = NT_STATUS_NO_MEMORY;
259 goto done;
260 }
261 }
262
263 rc = smbldap_search(ldap_state->smbldap_state, suffix,
264 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
265
266 if (rc != LDAP_SUCCESS) {
267 goto done;
268 }
269
270 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
271 if (num_result != 1) {
272 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
273 goto done;
274 }
275
276 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
277 if (entry == NULL) {
278 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
279 goto done;
280 }
281
282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
283 if (values == NULL) {
284 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
285 goto done;
286 }
287
288 num_values = ldap_count_values(values);
289 if (num_values == 0) {
290 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
291 goto done;
292 }
293
294 p = values[0];
295 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
296 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
297 goto done;
298 }
299
300 p = tok;
301 if (!strncmp(p, "csn=", strlen("csn=")))
302 p += strlen("csn=");
303
304 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
305
306 *seq_num = generalized_to_unix_time(p);
307
308 /* very basic sanity check */
309 if (*seq_num <= 0) {
310 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
311 (int)*seq_num));
312 goto done;
313 }
314
315 ntstatus = NT_STATUS_OK;
316
317 done:
318 if (values != NULL)
319 ldap_value_free(values);
320 if (msg != NULL)
321 ldap_msgfree(msg);
322 if (mem_ctx)
323 talloc_destroy(mem_ctx);
324
325 return ntstatus;
326 }
327
328 /*******************************************************************
329 Run the search by name.
330 ******************************************************************/
331
332 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
333 const char *user,
334 LDAPMessage ** result,
335 const char **attr)
336 {
337 char *filter = NULL;
338 char *escape_user = escape_ldap_string_alloc(user);
339 int ret = -1;
340
341 if (!escape_user) {
342 return LDAP_NO_MEMORY;
343 }
344
345 /*
346 * in the filter expression, replace %u with the real name
347 * so in ldap filter, %u MUST exist :-)
348 */
349 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
350 get_objclass_filter(ldap_state->schema_ver));
351 if (!filter) {
352 SAFE_FREE(escape_user);
353 return LDAP_NO_MEMORY;
354 }
355 /*
356 * have to use this here because $ is filtered out
357 * in string_sub
358 */
359
360 filter = talloc_all_string_sub(talloc_tos(),
361 filter, "%u", escape_user);
362 SAFE_FREE(escape_user);
363 if (!filter) {
364 return LDAP_NO_MEMORY;
365 }
366
367 ret = smbldap_search_suffix(ldap_state->smbldap_state,
368 filter, attr, result);
369 TALLOC_FREE(filter);
370 return ret;
371 }
372
373 /*******************************************************************
374 Run the search by rid.
375 ******************************************************************/
376
377 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
378 uint32 rid, LDAPMessage ** result,
379 const char **attr)
380 {
381 char *filter = NULL;
382 int rc;
383
384 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
385 get_objclass_filter(ldap_state->schema_ver));
386 if (!filter) {
387 return LDAP_NO_MEMORY;
388 }
389
390 rc = smbldap_search_suffix(ldap_state->smbldap_state,
391 filter, attr, result);
392 TALLOC_FREE(filter);
393 return rc;
394 }
395
396 /*******************************************************************
397 Run the search by SID.
398 ******************************************************************/
399
400 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
401 const DOM_SID *sid, LDAPMessage ** result,
402 const char **attr)
403 {
404 char *filter = NULL;
405 int rc;
406 fstring sid_string;
407
408 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
409 get_userattr_key2string(ldap_state->schema_ver,
410 LDAP_ATTR_USER_SID),
411 sid_to_fstring(sid_string, sid),
412 get_objclass_filter(ldap_state->schema_ver));
413 if (!filter) {
414 return LDAP_NO_MEMORY;
415 }
416
417 rc = smbldap_search_suffix(ldap_state->smbldap_state,
418 filter, attr, result);
419
420 TALLOC_FREE(filter);
421 return rc;
422 }
423
424 /*******************************************************************
425 Delete complete object or objectclass and attrs from
426 object found in search_result depending on lp_ldap_delete_dn
427 ******************************************************************/
428
429 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
430 TALLOC_CTX *mem_ctx,
431 LDAPMessage *entry,
432 const char *objectclass,
433 const char **attrs)
434 {
435 LDAPMod **mods = NULL;
436 char *name;
437 const char *dn;
438 BerElement *ptr = NULL;
439
440 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
441 if (dn == NULL) {
442 return LDAP_NO_MEMORY;
443 }
444
445 if (lp_ldap_delete_dn()) {
446 return smbldap_delete(priv->smbldap_state, dn);
447 }
448
449 /* Ok, delete only the SAM attributes */
450
451 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
452 name != NULL;
453 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
454 const char **attrib;
455
456 /* We are only allowed to delete the attributes that
457 really exist. */
458
459 for (attrib = attrs; *attrib != NULL; attrib++) {
460 if (strequal(*attrib, name)) {
461 DEBUG(10, ("ldapsam_delete_entry: deleting "
462 "attribute %s\n", name));
463 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
464 NULL);
465 }
466 }
467 ldap_memfree(name);
468 }
469
470 if (ptr != NULL) {
471 ber_free(ptr, 0);
472 }
473
474 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
475 talloc_autofree_ldapmod(mem_ctx, mods);
476
477 return smbldap_modify(priv->smbldap_state, dn, mods);
478 }
479
480 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
481 {
482 char *temp;
483 struct tm tm;
484
485 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
486 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
487 talloc_tos());
488 if (!temp) {
489 return (time_t) 0;
490 }
491
492 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
493 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
494 (char*)temp));
495 TALLOC_FREE(temp);
496 return (time_t) 0;
497 }
498 TALLOC_FREE(temp);
499 tzset();
500 return timegm(&tm);
501 }
502
503 /**********************************************************************
504 Initialize struct samu from an LDAP query.
505 (Based on init_sam_from_buffer in pdb_tdb.c)
506 *********************************************************************/
507
508 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
509 struct samu * sampass,
510 LDAPMessage * entry)
511 {
512 time_t logon_time,
513 logoff_time,
514 kickoff_time,
515 pass_last_set_time,
516 pass_can_change_time,
517 pass_must_change_time,
518 ldap_entry_time,
519 bad_password_time;
520 char *username = NULL,
521 *domain = NULL,
522 *nt_username = NULL,
523 *fullname = NULL,
524 *homedir = NULL,
525 *dir_drive = NULL,
526 *logon_script = NULL,
527 *profile_path = NULL,
528 *acct_desc = NULL,
529 *workstations = NULL,
530 *munged_dial = NULL;
531 uint32 user_rid;
532 uint8 smblmpwd[LM_HASH_LEN],
533 smbntpwd[NT_HASH_LEN];
534 bool use_samba_attrs = True;
535 uint32 acct_ctrl = 0;
536 uint16 logon_divs;
537 uint16 bad_password_count = 0,
538 logon_count = 0;
539 uint32 hours_len;
540 uint8 hours[MAX_HOURS_LEN];
541 char *temp = NULL;
542 LOGIN_CACHE *cache_entry = NULL;
543 uint32 pwHistLen;
544 bool expand_explicit = lp_passdb_expand_explicit();
545 bool ret = false;
546 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
547
548 if (!ctx) {
549 return false;
550 }
551 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
552 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
553 goto fn_exit;
554 }
555
556 if (priv2ld(ldap_state) == NULL) {
557 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
558 "ldap_struct is NULL!\n"));
559 goto fn_exit;
560 }
561
562 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
563 entry,
564 "uid",
565 ctx))) {
566 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
567 "this user!\n"));
568 goto fn_exit;
569 }
570
571 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
572
573 nt_username = talloc_strdup(ctx, username);
574 if (!nt_username) {
575 goto fn_exit;
576 }
577
578 domain = talloc_strdup(ctx, ldap_state->domain_name);
579 if (!domain) {
580 goto fn_exit;
581 }
582
583 pdb_set_username(sampass, username, PDB_SET);
584
585 pdb_set_domain(sampass, domain, PDB_DEFAULT);
586 pdb_set_nt_username(sampass, nt_username, PDB_SET);
587
588 /* deal with different attributes between the schema first */
589
590 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
591 if ((temp = smbldap_talloc_single_attribute(
592 ldap_state->smbldap_state->ldap_struct,
593 entry,
594 get_userattr_key2string(ldap_state->schema_ver,
595 LDAP_ATTR_USER_SID),
596 ctx))!=NULL) {
597 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
598 }
599 } else {
600 if ((temp = smbldap_talloc_single_attribute(
601 ldap_state->smbldap_state->ldap_struct,
602 entry,
603 get_userattr_key2string(ldap_state->schema_ver,
604 LDAP_ATTR_USER_RID),
605 ctx))!=NULL) {
606 user_rid = (uint32)atol(temp);
607 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
608 }
609 }
610
611 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
612 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
613 get_userattr_key2string(ldap_state->schema_ver,
614 LDAP_ATTR_USER_SID),
615 get_userattr_key2string(ldap_state->schema_ver,
616 LDAP_ATTR_USER_RID),
617 username));
618 return False;
619 }
620
621 temp = smbldap_talloc_single_attribute(
622 ldap_state->smbldap_state->ldap_struct,
623 entry,
624 get_userattr_key2string(ldap_state->schema_ver,
625 LDAP_ATTR_PWD_LAST_SET),
626 ctx);
627 if (temp) {
628 pass_last_set_time = (time_t) atol(temp);
629 pdb_set_pass_last_set_time(sampass,
630 pass_last_set_time, PDB_SET);
631 }
632
633 temp = smbldap_talloc_single_attribute(
634 ldap_state->smbldap_state->ldap_struct,
635 entry,
636 get_userattr_key2string(ldap_state->schema_ver,
637 LDAP_ATTR_LOGON_TIME),
638 ctx);
639 if (temp) {
640 logon_time = (time_t) atol(temp);
641 pdb_set_logon_time(sampass, logon_time, PDB_SET);
642 }
643
644 temp = smbldap_talloc_single_attribute(
645 ldap_state->smbldap_state->ldap_struct,
646 entry,
647 get_userattr_key2string(ldap_state->schema_ver,
648 LDAP_ATTR_LOGOFF_TIME),
649 ctx);
650 if (temp) {
651 logoff_time = (time_t) atol(temp);
652 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
653 }
654
655 temp = smbldap_talloc_single_attribute(
656 ldap_state->smbldap_state->ldap_struct,
657 entry,
658 get_userattr_key2string(ldap_state->schema_ver,
659 LDAP_ATTR_KICKOFF_TIME),
660 ctx);
661 if (temp) {
662 kickoff_time = (time_t) atol(temp);
663 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
664 }
665
666 temp = smbldap_talloc_single_attribute(
667 ldap_state->smbldap_state->ldap_struct,
668 entry,
669 get_userattr_key2string(ldap_state->schema_ver,
670 LDAP_ATTR_PWD_CAN_CHANGE),
671 ctx);
672 if (temp) {
673 pass_can_change_time = (time_t) atol(temp);
674 pdb_set_pass_can_change_time(sampass,
675 pass_can_change_time, PDB_SET);
676 }
677
678 temp = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_PWD_MUST_CHANGE),
683 ctx);
684 if (temp) {
685 pass_must_change_time = (time_t) atol(temp);
686 pdb_set_pass_must_change_time(sampass,
687 pass_must_change_time, PDB_SET);
688 }
689
690 /* recommend that 'gecos' and 'displayName' should refer to the same
691 * attribute OID. userFullName depreciated, only used by Samba
692 * primary rules of LDAP: don't make a new attribute when one is already defined
693 * that fits your needs; using cn then displayName rather than 'userFullName'
694 */
695
696 fullname = smbldap_talloc_single_attribute(
697 ldap_state->smbldap_state->ldap_struct,
698 entry,
699 get_userattr_key2string(ldap_state->schema_ver,
700 LDAP_ATTR_DISPLAY_NAME),
701 ctx);
702 if (fullname) {
703 pdb_set_fullname(sampass, fullname, PDB_SET);
704 } else {
705 fullname = smbldap_talloc_single_attribute(
706 ldap_state->smbldap_state->ldap_struct,
707 entry,
708 get_userattr_key2string(ldap_state->schema_ver,
709 LDAP_ATTR_CN),
710 ctx);
711 if (fullname) {
712 pdb_set_fullname(sampass, fullname, PDB_SET);
713 }
714 }
715
716 dir_drive = smbldap_talloc_single_attribute(
717 ldap_state->smbldap_state->ldap_struct,
718 entry,
719 get_userattr_key2string(ldap_state->schema_ver,
720 LDAP_ATTR_HOME_DRIVE),
721 ctx);
722 if (dir_drive) {
723 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
724 } else {
725 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
726 }
727
728 homedir = smbldap_talloc_single_attribute(
729 ldap_state->smbldap_state->ldap_struct,
730 entry,
731 get_userattr_key2string(ldap_state->schema_ver,
732 LDAP_ATTR_HOME_PATH),
733 ctx);
734 if (homedir) {
735 if (expand_explicit) {
736 homedir = talloc_sub_basic(ctx,
737 username,
738 domain,
739 homedir);
740 if (!homedir) {
741 goto fn_exit;
742 }
743 }
744 pdb_set_homedir(sampass, homedir, PDB_SET);
745 } else {
746 pdb_set_homedir(sampass,
747 talloc_sub_basic(ctx, username, domain,
748 lp_logon_home()),
749 PDB_DEFAULT);
750 }
751
752 logon_script = smbldap_talloc_single_attribute(
753 ldap_state->smbldap_state->ldap_struct,
754 entry,
755 get_userattr_key2string(ldap_state->schema_ver,
756 LDAP_ATTR_LOGON_SCRIPT),
757 ctx);
758 if (logon_script) {
759 if (expand_explicit) {
760 logon_script = talloc_sub_basic(ctx,
761 username,
762 domain,
763 logon_script);
764 if (!logon_script) {
765 goto fn_exit;
766 }
767 }
768 pdb_set_logon_script(sampass, logon_script, PDB_SET);
769 } else {
770 pdb_set_logon_script(sampass,
771 talloc_sub_basic(ctx, username, domain,
772 lp_logon_script()),
773 PDB_DEFAULT );
774 }
775
776 profile_path = smbldap_talloc_single_attribute(
777 ldap_state->smbldap_state->ldap_struct,
778 entry,
779 get_userattr_key2string(ldap_state->schema_ver,
780 LDAP_ATTR_PROFILE_PATH),
781 ctx);
782 if (profile_path) {
783 if (expand_explicit) {
784 profile_path = talloc_sub_basic(ctx,
785 username,
786 domain,
787 profile_path);
788 if (!profile_path) {
789 goto fn_exit;
790 }
791 }
792 pdb_set_profile_path(sampass, profile_path, PDB_SET);
793 } else {
794 pdb_set_profile_path(sampass,
795 talloc_sub_basic(ctx, username, domain,
796 lp_logon_path()),
797 PDB_DEFAULT );
798 }
799
800 acct_desc = smbldap_talloc_single_attribute(
801 ldap_state->smbldap_state->ldap_struct,
802 entry,
803 get_userattr_key2string(ldap_state->schema_ver,
804 LDAP_ATTR_DESC),
805 ctx);
806 if (acct_desc) {
807 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
808 }
809
810 workstations = smbldap_talloc_single_attribute(
811 ldap_state->smbldap_state->ldap_struct,
812 entry,
813 get_userattr_key2string(ldap_state->schema_ver,
814 LDAP_ATTR_USER_WKS),
815 ctx);
816 if (workstations) {
817 pdb_set_workstations(sampass, workstations, PDB_SET);
818 }
819
820 munged_dial = smbldap_talloc_single_attribute(
821 ldap_state->smbldap_state->ldap_struct,
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_MUNGED_DIAL),
825 ctx);
826 if (munged_dial) {
827 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
828 }
829
830 /* FIXME: hours stuff should be cleaner */
831
832 logon_divs = 168;
833 hours_len = 21;
834 memset(hours, 0xff, hours_len);
835
836 if (ldap_state->is_nds_ldap) {
837 char *user_dn;
838 size_t pwd_len;
839 char clear_text_pw[512];
840
841 /* Make call to Novell eDirectory ldap extension to get clear text password.
842 NOTE: This will only work if we have an SSL connection to eDirectory. */
843 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
844 if (user_dn != NULL) {
845 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
846
847 pwd_len = sizeof(clear_text_pw);
848 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
849 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
850 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
851 TALLOC_FREE(user_dn);
852 return False;
853 }
854 ZERO_STRUCT(smblmpwd);
855 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
856 TALLOC_FREE(user_dn);
857 return False;
858 }
859 ZERO_STRUCT(smbntpwd);
860 use_samba_attrs = False;
861 }
862
863 TALLOC_FREE(user_dn);
864
865 } else {
866 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
867 }
868 }
869
870 if (use_samba_attrs) {
871 temp = smbldap_talloc_single_attribute(
872 ldap_state->smbldap_state->ldap_struct,
873 entry,
874 get_userattr_key2string(ldap_state->schema_ver,
875 LDAP_ATTR_LMPW),
876 ctx);
877 if (temp) {
878 pdb_gethexpwd(temp, smblmpwd);
879 memset((char *)temp, '\0', strlen(temp)+1);
880 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
881 goto fn_exit;
882 }
883 ZERO_STRUCT(smblmpwd);
884 }
885
886 temp = smbldap_talloc_single_attribute(
887 ldap_state->smbldap_state->ldap_struct,
888 entry,
889 get_userattr_key2string(ldap_state->schema_ver,
890 LDAP_ATTR_NTPW),
891 ctx);
892 if (temp) {
893 pdb_gethexpwd(temp, smbntpwd);
894 memset((char *)temp, '\0', strlen(temp)+1);
895 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
896 goto fn_exit;
897 }
898 ZERO_STRUCT(smbntpwd);
899 }
900 }
901
902 pwHistLen = 0;
903
904 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
905 if (pwHistLen > 0){
906 uint8 *pwhist = NULL;
907 int i;
908 char *history_string = TALLOC_ARRAY(ctx, char,
909 MAX_PW_HISTORY_LEN*64);
910
911 if (!history_string) {
912 goto fn_exit;
913 }
914
915 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
916
917 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
918 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
919 NULL){
920 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
921 goto fn_exit;
922 }
923 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
924
925 if (smbldap_get_single_attribute(
926 ldap_state->smbldap_state->ldap_struct,
927 entry,
928 get_userattr_key2string(ldap_state->schema_ver,
929 LDAP_ATTR_PWD_HISTORY),
930 history_string,
931 MAX_PW_HISTORY_LEN*64)) {
932 bool hex_failed = false;
933 for (i = 0; i < pwHistLen; i++){
934 /* Get the 16 byte salt. */
935 if (!pdb_gethexpwd(&history_string[i*64],
936 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
937 hex_failed = true;
938 break;
939 }
940 /* Get the 16 byte MD5 hash of salt+passwd. */
941 if (!pdb_gethexpwd(&history_string[(i*64)+32],
942 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
943 PW_HISTORY_SALT_LEN])) {
944 hex_failed = True;
945 break;
946 }
947 }
948 if (hex_failed) {
949 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
950 username));
951 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
952 }
953 }
954 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
955 goto fn_exit;
956 }
957 }
958
959 temp = smbldap_talloc_single_attribute(
960 ldap_state->smbldap_state->ldap_struct,
961 entry,
962 get_userattr_key2string(ldap_state->schema_ver,
963 LDAP_ATTR_ACB_INFO),
964 ctx);
965 if (temp) {
966 acct_ctrl = pdb_decode_acct_ctrl(temp);
967
968 if (acct_ctrl == 0) {
969 acct_ctrl |= ACB_NORMAL;
970 }
971
972 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
973 } else {
974 acct_ctrl |= ACB_NORMAL;
975 }
976
977 pdb_set_hours_len(sampass, hours_len, PDB_SET);
978 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
979
980 temp = smbldap_talloc_single_attribute(
981 ldap_state->smbldap_state->ldap_struct,
982 entry,
983 get_userattr_key2string(ldap_state->schema_ver,
984 LDAP_ATTR_BAD_PASSWORD_COUNT),
985 ctx);
986 if (temp) {
987 bad_password_count = (uint32) atol(temp);
988 pdb_set_bad_password_count(sampass,
989 bad_password_count, PDB_SET);
990 }
991
992 temp = smbldap_talloc_single_attribute(
993 ldap_state->smbldap_state->ldap_struct,
994 entry,
995 get_userattr_key2string(ldap_state->schema_ver,
996 LDAP_ATTR_BAD_PASSWORD_TIME),
997 ctx);
998 if (temp) {
999 bad_password_time = (time_t) atol(temp);
1000 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1001 }
1002
1003
1004 temp = smbldap_talloc_single_attribute(
1005 ldap_state->smbldap_state->ldap_struct,
1006 entry,
1007 get_userattr_key2string(ldap_state->schema_ver,
1008 LDAP_ATTR_LOGON_COUNT),
1009 ctx);
1010 if (temp) {
1011 logon_count = (uint32) atol(temp);
1012 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1013 }
1014
1015 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1016
1017 temp = smbldap_talloc_single_attribute(
1018 ldap_state->smbldap_state->ldap_struct,
1019 entry,
1020 get_userattr_key2string(ldap_state->schema_ver,
1021 LDAP_ATTR_LOGON_HOURS),
1022 ctx);
1023 if (temp) {
1024 pdb_gethexhours(temp, hours);
1025 memset((char *)temp, '\0', strlen(temp) +1);
1026 pdb_set_hours(sampass, hours, PDB_SET);
1027 ZERO_STRUCT(hours);
1028 }
1029
1030 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1031 temp = smbldap_talloc_single_attribute(
1032 priv2ld(ldap_state),
1033 entry,
1034 "uidNumber",
1035 ctx);
1036 if (temp) {
1037 /* We've got a uid, feed the cache */
1038 uid_t uid = strtoul(temp, NULL, 10);
1039 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1040 }
1041 }
1042
1043 /* check the timestamp of the cache vs ldap entry */
1044 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1045 entry))) {
1046 ret = true;
1047 goto fn_exit;
1048 }
1049
1050 /* see if we have newer updates */
1051 if (!(cache_entry = login_cache_read(sampass))) {
1052 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1053 (unsigned int)pdb_get_bad_password_count(sampass),
1054 (unsigned int)pdb_get_bad_password_time(sampass)));
1055 ret = true;
1056 goto fn_exit;
1057 }
1058
1059 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1060 (unsigned int)ldap_entry_time,
1061 (unsigned int)cache_entry->entry_timestamp,
1062 (unsigned int)cache_entry->bad_password_time));
1063
1064 if (ldap_entry_time > cache_entry->entry_timestamp) {
1065 /* cache is older than directory , so
1066 we need to delete the entry but allow the
1067 fields to be written out */
1068 login_cache_delentry(sampass);
1069 } else {
1070 /* read cache in */
1071 pdb_set_acct_ctrl(sampass,
1072 pdb_get_acct_ctrl(sampass) |
1073 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1074 PDB_SET);
1075 pdb_set_bad_password_count(sampass,
1076 cache_entry->bad_password_count,
1077 PDB_SET);
1078 pdb_set_bad_password_time(sampass,
1079 cache_entry->bad_password_time,
1080 PDB_SET);
1081 }
1082
1083 ret = true;
1084
1085 fn_exit:
1086
1087 TALLOC_FREE(ctx);
1088 SAFE_FREE(cache_entry);
1089 return ret;
1090 }
1091
1092 /**********************************************************************
1093 Initialize the ldap db from a struct samu. Called on update.
1094 (Based on init_buffer_from_sam in pdb_tdb.c)
1095 *********************************************************************/
1096
1097 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1098 LDAPMessage *existing,
1099 LDAPMod *** mods, struct samu * sampass,
1100 bool (*need_update)(const struct samu *,
1101 enum pdb_elements))
1102 {
1103 char *temp = NULL;
1104 uint32 rid;
1105
1106 if (mods == NULL || sampass == NULL) {
1107 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1108 return False;
1109 }
1110
1111 *mods = NULL;
1112
1113 /*
1114 * took out adding "objectclass: sambaAccount"
1115 * do this on a per-mod basis
1116 */
1117 if (need_update(sampass, PDB_USERNAME)) {
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 "uid", pdb_get_username(sampass));
1120 if (ldap_state->is_nds_ldap) {
1121 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1122 "cn", pdb_get_username(sampass));
1123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1124 "sn", pdb_get_username(sampass));
1125 }
1126 }
1127
1128 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1129
1130 /* only update the RID if we actually need to */
1131 if (need_update(sampass, PDB_USERSID)) {
1132 fstring sid_string;
1133 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1134
1135 switch ( ldap_state->schema_ver ) {
1136 case SCHEMAVER_SAMBAACCOUNT:
1137 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1138 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1139 sid_string_dbg(user_sid),
1140 sid_string_dbg(
1141 &ldap_state->domain_sid)));
1142 return False;
1143 }
1144 if (asprintf(&temp, "%i", rid) < 0) {
1145 return false;
1146 }
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1149 temp);
1150 SAFE_FREE(temp);
1151 break;
1152
1153 case SCHEMAVER_SAMBASAMACCOUNT:
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1156 sid_to_fstring(sid_string, user_sid));
1157 break;
1158
1159 default:
1160 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1161 break;
1162 }
1163 }
1164
1165 /* we don't need to store the primary group RID - so leaving it
1166 'free' to hang off the unix primary group makes life easier */
1167
1168 if (need_update(sampass, PDB_GROUPSID)) {
1169 fstring sid_string;
1170 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1171
1172 switch ( ldap_state->schema_ver ) {
1173 case SCHEMAVER_SAMBAACCOUNT:
1174 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1175 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1176 sid_string_dbg(group_sid),
1177 sid_string_dbg(
1178 &ldap_state->domain_sid)));
1179 return False;
1180 }
1181
1182 if (asprintf(&temp, "%i", rid) < 0) {
1183 return false;
1184 }
1185 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1188 SAFE_FREE(temp);
1189 break;
1190
1191 case SCHEMAVER_SAMBASAMACCOUNT:
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 get_userattr_key2string(ldap_state->schema_ver,
1194 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1195 break;
1196
1197 default:
1198 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1199 break;
1200 }
1201
1202 }
1203
1204 /* displayName, cn, and gecos should all be the same
1205 * most easily accomplished by giving them the same OID
1206 * gecos isn't set here b/c it should be handled by the
1207 * add-user script
1208 * We change displayName only and fall back to cn if
1209 * it does not exist.
1210 */
1211
1212 if (need_update(sampass, PDB_FULLNAME))
1213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1214 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1215 pdb_get_fullname(sampass));
1216
1217 if (need_update(sampass, PDB_ACCTDESC))
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1220 pdb_get_acct_desc(sampass));
1221
1222 if (need_update(sampass, PDB_WORKSTATIONS))
1223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1224 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1225 pdb_get_workstations(sampass));
1226
1227 if (need_update(sampass, PDB_MUNGEDDIAL))
1228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1229 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1230 pdb_get_munged_dial(sampass));
1231
1232 if (need_update(sampass, PDB_SMBHOME))
1233 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1234 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1235 pdb_get_homedir(sampass));
1236
1237 if (need_update(sampass, PDB_DRIVE))
1238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1239 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1240 pdb_get_dir_drive(sampass));
1241
1242 if (need_update(sampass, PDB_LOGONSCRIPT))
1243 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1244 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1245 pdb_get_logon_script(sampass));
1246
1247 if (need_update(sampass, PDB_PROFILE))
1248 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1249 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1250 pdb_get_profile_path(sampass));
1251
1252 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1253 return false;
1254 }
1255 if (need_update(sampass, PDB_LOGONTIME))
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1258 SAFE_FREE(temp);
1259
1260 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1261 return false;
1262 }
1263 if (need_update(sampass, PDB_LOGOFFTIME))
1264 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1265 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1266 SAFE_FREE(temp);
1267
1268 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1269 return false;
1270 }
1271 if (need_update(sampass, PDB_KICKOFFTIME))
1272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1274 SAFE_FREE(temp);
1275
1276 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1277 return false;
1278 }
1279 if (need_update(sampass, PDB_CANCHANGETIME))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1282 SAFE_FREE(temp);
1283
1284 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1285 return false;
1286 }
1287 if (need_update(sampass, PDB_MUSTCHANGETIME))
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1290 SAFE_FREE(temp);
1291
1292 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1293 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1294
1295 if (need_update(sampass, PDB_LMPASSWD)) {
1296 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1297 if (lm_pw) {
1298 char pwstr[34];
1299 pdb_sethexpwd(pwstr, lm_pw,
1300 pdb_get_acct_ctrl(sampass));
1301 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1302 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1303 pwstr);
1304 } else {
1305 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1307 NULL);
1308 }
1309 }
1310 if (need_update(sampass, PDB_NTPASSWD)) {
1311 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1312 if (nt_pw) {
1313 char pwstr[34];
1314 pdb_sethexpwd(pwstr, nt_pw,
1315 pdb_get_acct_ctrl(sampass));
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1318 pwstr);
1319 } else {
1320 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1321 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1322 NULL);
1323 }
1324 }
1325
1326 if (need_update(sampass, PDB_PWHISTORY)) {
1327 char *pwstr = NULL;
1328 uint32 pwHistLen = 0;
1329 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1330
1331 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1332 if (!pwstr) {
1333 return false;
1334 }
1335 if (pwHistLen == 0) {
1336 /* Remove any password history from the LDAP store. */
1337 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1338 pwstr[64] = '\0';
1339 } else {
1340 int i;
1341 uint32 currHistLen = 0;
1342 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1343 if (pwhist != NULL) {
1344 /* We can only store (1024-1/64 password history entries. */
1345 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1346 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1347 /* Store the salt. */
1348 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1349 /* Followed by the md5 hash of salt + md4 hash */
1350 pdb_sethexpwd(&pwstr[(i*64)+32],
1351 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1352 DEBUG(100, ("pwstr=%s\n", pwstr));
1353 }
1354 }
1355 }
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1358 pwstr);
1359 SAFE_FREE(pwstr);
1360 }
1361
1362 if (need_update(sampass, PDB_PASSLASTSET)) {
1363 if (asprintf(&temp, "%li",
1364 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1365 return false;
1366 }
1367 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1368 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1369 temp);
1370 SAFE_FREE(temp);
1371 }
1372 }
1373
1374 if (need_update(sampass, PDB_HOURS)) {
1375 const uint8 *hours = pdb_get_hours(sampass);
1376 if (hours) {
1377 char hourstr[44];
1378 pdb_sethexhours(hourstr, hours);
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1380 existing,
1381 mods,
1382 get_userattr_key2string(ldap_state->schema_ver,
1383 LDAP_ATTR_LOGON_HOURS),
1384 hourstr);
1385 }
1386 }
1387
1388 if (need_update(sampass, PDB_ACCTCTRL))
1389 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1390 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1391 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1392
1393 /* password lockout cache:
1394 - If we are now autolocking or clearing, we write to ldap
1395 - If we are clearing, we delete the cache entry
1396 - If the count is > 0, we update the cache
1397
1398 This even means when autolocking, we cache, just in case the
1399 update doesn't work, and we have to cache the autolock flag */
1400
1401 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1402 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1403 uint16 badcount = pdb_get_bad_password_count(sampass);
1404 time_t badtime = pdb_get_bad_password_time(sampass);
1405 uint32 pol;
1406 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1407
1408 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1409 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1410
1411 if ((badcount >= pol) || (badcount == 0)) {
1412 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1413 (unsigned int)badcount, (unsigned int)badtime));
1414 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1415 return false;
1416 }
1417 smbldap_make_mod(
1418 ldap_state->smbldap_state->ldap_struct,
1419 existing, mods,
1420 get_userattr_key2string(
1421 ldap_state->schema_ver,
1422 LDAP_ATTR_BAD_PASSWORD_COUNT),
1423 temp);
1424 SAFE_FREE(temp);
1425
1426 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1427 return false;
1428 }
1429 smbldap_make_mod(
1430 ldap_state->smbldap_state->ldap_struct,
1431 existing, mods,
1432 get_userattr_key2string(
1433 ldap_state->schema_ver,
1434 LDAP_ATTR_BAD_PASSWORD_TIME),
1435 temp);
1436 SAFE_FREE(temp);
1437 }
1438 if (badcount == 0) {
1439 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1440 login_cache_delentry(sampass);
1441 } else {
1442 LOGIN_CACHE cache_entry;
1443
1444 cache_entry.entry_timestamp = time(NULL);
1445 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1446 cache_entry.bad_password_count = badcount;
1447 cache_entry.bad_password_time = badtime;
1448
1449 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1450 login_cache_write(sampass, cache_entry);
1451 }
1452 }
1453
1454 return True;
1455 }
1456
1457 /**********************************************************************
1458 End enumeration of the LDAP password list.
1459 *********************************************************************/
1460
1461 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1462 {
1463 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1464 if (ldap_state->result) {
1465 ldap_msgfree(ldap_state->result);
1466 ldap_state->result = NULL;
1467 }
1468 }
1469
1470 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1471 const char *new_attr)
1472 {
1473 int i;
1474
1475 if (new_attr == NULL) {
1476 return;
1477 }
1478
1479 for (i=0; (*attr_list)[i] != NULL; i++) {
1480 ;
1481 }
1482
1483 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1484 const char *, i+2);
1485 SMB_ASSERT((*attr_list) != NULL);
1486 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1487 (*attr_list)[i+1] = NULL;
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 append_attr(user, &attr_list, "uidNumber");
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const DOM_SID *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32 rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 append_attr(tmp_ctx, &attr_list, "uidNumber");
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 case SCHEMAVER_SAMBAACCOUNT:
1576 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1577 return rc;
1578 }
1579
1580 attr_list = get_userattr_list(NULL,
1581 ldap_state->schema_ver);
1582 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1583 TALLOC_FREE( attr_list );
1584
1585 if ( rc != LDAP_SUCCESS )
1586 return rc;
1587 break;
1588 }
1589 return rc;
1590 }
1591
1592 /**********************************************************************
1593 Get struct samu entry from LDAP by SID.
1594 *********************************************************************/
1595
1596 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1597 {
1598 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1599 LDAPMessage *result = NULL;
1600 LDAPMessage *entry = NULL;
1601 int count;
1602 int rc;
1603
1604 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1605 sid, &result);
1606 if (rc != LDAP_SUCCESS)
1607 return NT_STATUS_NO_SUCH_USER;
1608
1609 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1610
1611 if (count < 1) {
1612 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1613 "count=%d\n", sid_string_dbg(sid), count));
1614 ldap_msgfree(result);
1615 return NT_STATUS_NO_SUCH_USER;
1616 } else if (count > 1) {
1617 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1618 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1619 count));
1620 ldap_msgfree(result);
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1625 if (!entry) {
1626 ldap_msgfree(result);
1627 return NT_STATUS_NO_SUCH_USER;
1628 }
1629
1630 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1631 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1632 ldap_msgfree(result);
1633 return NT_STATUS_NO_SUCH_USER;
1634 }
1635
1636 pdb_set_backend_private_data(user, result, NULL,
1637 my_methods, PDB_CHANGED);
1638 talloc_autofree_ldapmsg(user, result);
1639 return NT_STATUS_OK;
1640 }
1641
1642 /********************************************************************
1643 Do the actual modification - also change a plaintext passord if
1644 it it set.
1645 **********************************************************************/
1646
1647 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1648 struct samu *newpwd, char *dn,
1649 LDAPMod **mods, int ldap_op,
1650 bool (*need_update)(const struct samu *, enum pdb_elements))
1651 {
1652 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1653 int rc;
1654
1655 if (!newpwd || !dn) {
1656 return NT_STATUS_INVALID_PARAMETER;
1657 }
1658
1659 if (!mods) {
1660 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1661 /* may be password change below however */
1662 } else {
1663 switch(ldap_op) {
1664 case LDAP_MOD_ADD:
1665 if (ldap_state->is_nds_ldap) {
1666 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1667 "objectclass",
1668 "inetOrgPerson");
1669 } else {
1670 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1671 "objectclass",
1672 LDAP_OBJ_ACCOUNT);
1673 }
1674 rc = smbldap_add(ldap_state->smbldap_state,
1675 dn, mods);
1676 break;
1677 case LDAP_MOD_REPLACE:
1678 rc = smbldap_modify(ldap_state->smbldap_state,
1679 dn ,mods);
1680 break;
1681 default:
1682 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1683 ldap_op));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 if (rc!=LDAP_SUCCESS) {
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690 }
1691
1692 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1693 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1694 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1695 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1696 BerElement *ber;
1697 struct berval *bv;
1698 char *retoid = NULL;
1699 struct berval *retdata = NULL;
1700 char *utf8_password;
1701 char *utf8_dn;
1702 size_t converted_size;
1703 int ret;
1704
1705 if (!ldap_state->is_nds_ldap) {
1706
1707 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1708 LDAP_EXOP_MODIFY_PASSWD)) {
1709 DEBUG(2, ("ldap password change requested, but LDAP "
1710 "server does not support it -- ignoring\n"));
1711 return NT_STATUS_OK;
1712 }
1713 }
1714
1715 if (!push_utf8_allocate(&utf8_password,
1716 pdb_get_plaintext_passwd(newpwd),
1717 &converted_size))
1718 {
1719 return NT_STATUS_NO_MEMORY;
1720 }
1721
1722 if (!push_utf8_allocate(&utf8_dn, dn, &converted_size)) {
1723 SAFE_FREE(utf8_password);
1724 return NT_STATUS_NO_MEMORY;
1725 }
1726
1727 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1728 DEBUG(0,("ber_alloc_t returns NULL\n"));
1729 SAFE_FREE(utf8_password);
1730 SAFE_FREE(utf8_dn);
1731 return NT_STATUS_UNSUCCESSFUL;
1732 }
1733
1734 if ((ber_printf (ber, "{") < 0) ||
1735 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1736 utf8_dn) < 0)) {
1737 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1738 "value <0\n"));
1739 ber_free(ber,1);
1740 SAFE_FREE(utf8_dn);
1741 SAFE_FREE(utf8_password);
1742 return NT_STATUS_UNSUCCESSFUL;
1743 }
1744
1745 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1746 ret = ber_printf(ber, "ts}",
1747 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1748 utf8_password);
1749 } else {
1750 ret = ber_printf(ber, "}");
1751 }
1752
1753 if (ret < 0) {
1754 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1755 "value <0\n"));
1756 ber_free(ber,1);
1757 SAFE_FREE(utf8_dn);
1758 SAFE_FREE(utf8_password);
1759 return NT_STATUS_UNSUCCESSFUL;
1760 }
1761
1762 if ((rc = ber_flatten (ber, &bv))<0) {
1763 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1764 ber_free(ber,1);
1765 SAFE_FREE(utf8_dn);
1766 SAFE_FREE(utf8_password);
1767 return NT_STATUS_UNSUCCESSFUL;
1768 }
1769
1770 SAFE_FREE(utf8_dn);
1771 SAFE_FREE(utf8_password);
1772 ber_free(ber, 1);
1773
1774 if (!ldap_state->is_nds_ldap) {
1775 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1776 LDAP_EXOP_MODIFY_PASSWD,
1777 bv, NULL, NULL, &retoid,
1778 &retdata);
1779 } else {
1780 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1781 pdb_get_plaintext_passwd(newpwd));
1782 }
1783 if (rc != LDAP_SUCCESS) {
1784 char *ld_error = NULL;
1785
1786 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1787 DEBUG(3, ("Could not set userPassword "
1788 "attribute due to an objectClass "
1789 "violation -- ignoring\n"));
1790 ber_bvfree(bv);
1791 return NT_STATUS_OK;
1792 }
1793
1794 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1795 &ld_error);
1796 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1797 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1798 SAFE_FREE(ld_error);
1799 ber_bvfree(bv);
1800 #if defined(LDAP_CONSTRAINT_VIOLATION)
1801 if (rc == LDAP_CONSTRAINT_VIOLATION)
1802 return NT_STATUS_PASSWORD_RESTRICTION;
1803 #endif
1804 return NT_STATUS_UNSUCCESSFUL;
1805 } else {
1806 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1807 #ifdef DEBUG_PASSWORD
1808 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1809 #endif
1810 if (retdata)
1811 ber_bvfree(retdata);
1812 if (retoid)
1813 ldap_memfree(retoid);
1814 }
1815 ber_bvfree(bv);
1816 }
1817 return NT_STATUS_OK;
1818 }
1819
1820 /**********************************************************************
1821 Delete entry from LDAP for username.
1822 *********************************************************************/
1823
1824 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1825 struct samu * sam_acct)
1826 {
1827 struct ldapsam_privates *priv =
1828 (struct ldapsam_privates *)my_methods->private_data;
1829 const char *sname;
1830 int rc;
1831 LDAPMessage *msg, *entry;
1832 NTSTATUS result = NT_STATUS_NO_MEMORY;
1833 const char **attr_list;
1834 TALLOC_CTX *mem_ctx;
1835
1836 if (!sam_acct) {
1837 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1838 return NT_STATUS_INVALID_PARAMETER;
1839 }
1840
1841 sname = pdb_get_username(sam_acct);
1842
1843 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1844 "LDAP.\n", sname));
1845
1846 mem_ctx = talloc_new(NULL);
1847 if (mem_ctx == NULL) {
1848 DEBUG(0, ("talloc_new failed\n"));
1849 goto done;
1850 }
1851
1852 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1853 if (attr_list == NULL) {
1854 goto done;
1855 }
1856
1857 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1858
1859 if ((rc != LDAP_SUCCESS) ||
1860 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1861 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1862 DEBUG(5, ("Could not find user %s\n", sname));
1863 result = NT_STATUS_NO_SUCH_USER;
1864 goto done;
1865 }
1866
1867 rc = ldapsam_delete_entry(
1868 priv, mem_ctx, entry,
1869 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1870 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1871 attr_list);
1872
1873 result = (rc == LDAP_SUCCESS) ?
1874 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1875
1876 done:
1877 TALLOC_FREE(mem_ctx);
1878 return result;
1879 }
1880
1881 /**********************************************************************
1882 Helper function to determine for update_sam_account whether
1883 we need LDAP modification.
1884 *********************************************************************/
1885
1886 static bool element_is_changed(const struct samu *sampass,
1887 enum pdb_elements element)
1888 {
1889 return IS_SAM_CHANGED(sampass, element);
1890 }
1891
1892 /**********************************************************************
1893 Update struct samu.
1894 *********************************************************************/
1895
1896 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1897 {
1898 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1899 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1900 int rc = 0;
1901 char *dn;
1902 LDAPMessage *result = NULL;
1903 LDAPMessage *entry = NULL;
1904 LDAPMod **mods = NULL;
1905 const char **attr_list;
1906
1907 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1908 if (!result) {
1909 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1910 if (pdb_get_username(newpwd) == NULL) {
1911 return NT_STATUS_INVALID_PARAMETER;
1912 }
1913 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1914 TALLOC_FREE( attr_list );
1915 if (rc != LDAP_SUCCESS) {
1916 return NT_STATUS_UNSUCCESSFUL;
1917 }
1918 pdb_set_backend_private_data(newpwd, result, NULL,
1919 my_methods, PDB_CHANGED);
1920 talloc_autofree_ldapmsg(newpwd, result);
1921 }
1922
1923 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1924 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1925 return NT_STATUS_UNSUCCESSFUL;
1926 }
1927
1928 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1929 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1930 if (!dn) {
1931 return NT_STATUS_UNSUCCESSFUL;
1932 }
1933
1934 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1935
1936 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1937 element_is_changed)) {
1938 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1939 TALLOC_FREE(dn);
1940 if (mods != NULL)
1941 ldap_mods_free(mods,True);
1942 return NT_STATUS_UNSUCCESSFUL;
1943 }
1944
1945 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1946 && (mods == NULL)) {
1947 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1948 pdb_get_username(newpwd)));
1949 TALLOC_FREE(dn);
1950 return NT_STATUS_OK;
1951 }
1952
1953 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1954
1955 if (mods != NULL) {
1956 ldap_mods_free(mods,True);
1957 }
1958
1959 TALLOC_FREE(dn);
1960
1961 /*
1962 * We need to set the backend private data to NULL here. For example
1963 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1964 * same one, and with the explicit delete / add logic for attribute
1965 * values the second time we would use the wrong "old" value which
1966 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1967 * the update.
1968 * The existing LDAPMessage is still being auto-freed by the
1969 * destructor.
1970 */
1971 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1972 PDB_CHANGED);
1973
1974 if (!NT_STATUS_IS_OK(ret)) {
1975 return ret;
1976 }
1977
1978 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1979 pdb_get_username(newpwd)));
1980 return NT_STATUS_OK;
1981 }
1982
1983 /***************************************************************************
1984 Renames a struct samu
1985 - The "rename user script" has full responsibility for changing everything
1986 ***************************************************************************/
1987
1988 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1989 struct samu *old_acct,
1990 const char *newname)
1991 {
1992 const char *oldname;
1993 int rc;
1994 char *rename_script = NULL;
1995 fstring oldname_lower, newname_lower;
1996
1997 if (!old_acct) {
1998 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1999 return NT_STATUS_INVALID_PARAMETER;
2000 }
2001 if (!newname) {
2002 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2003 return NT_STATUS_INVALID_PARAMETER;
2004 }
2005
2006 oldname = pdb_get_username(old_acct);
2007
2008 /* rename the posix user */
2009 rename_script = SMB_STRDUP(lp_renameuser_script());
2010 if (rename_script == NULL) {
2011 return NT_STATUS_NO_MEMORY;
2012 }
2013
2014 if (!(*rename_script)) {
2015 SAFE_FREE(rename_script);
2016 return NT_STATUS_ACCESS_DENIED;
2017 }
2018
2019 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2020 oldname, newname));
2021
2022 /* We have to allow the account name to end with a '$'.
2023 Also, follow the semantics in _samr_create_user() and lower case the
2024 posix name but preserve the case in passdb */
2025
2026 fstrcpy( oldname_lower, oldname );
2027 strlower_m( oldname_lower );
2028 fstrcpy( newname_lower, newname );
2029 strlower_m( newname_lower );
2030 rename_script = realloc_string_sub2(rename_script,
2031 "%unew",
2032 newname_lower,
2033 true,
2034 true);
2035 if (!rename_script) {
2036 return NT_STATUS_NO_MEMORY;
2037 }
2038 rename_script = realloc_string_sub2(rename_script,
2039 "%uold",
2040 oldname_lower,
2041 true,
2042 true);
2043 rc = smbrun(rename_script, NULL);
2044
2045 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2046 rename_script, rc));
2047
2048 SAFE_FREE(rename_script);
2049
2050 if (rc == 0) {
2051 smb_nscd_flush_user_cache();
2052 }
2053
2054 if (rc)
2055 return NT_STATUS_UNSUCCESSFUL;
2056
2057 return NT_STATUS_OK;
2058 }
2059
2060 /**********************************************************************
2061 Helper function to determine for update_sam_account whether
2062 we need LDAP modification.
2063 *********************************************************************/
2064
2065 static bool element_is_set_or_changed(const struct samu *sampass,
2066 enum pdb_elements element)
2067 {
2068 return (IS_SAM_SET(sampass, element) ||
2069 IS_SAM_CHANGED(sampass, element));
2070 }
2071
2072 /**********************************************************************
2073 Add struct samu to LDAP.
2074 *********************************************************************/
2075
2076 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2077 {
2078 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2079 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2080 int rc;
2081 LDAPMessage *result = NULL;
2082 LDAPMessage *entry = NULL;
2083 LDAPMod **mods = NULL;
2084 int ldap_op = LDAP_MOD_REPLACE;
2085 uint32 num_result;
2086 const char **attr_list;
2087 char *escape_user = NULL;
2088 const char *username = pdb_get_username(newpwd);
2089 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2090 char *filter = NULL;
2091 char *dn = NULL;
2092 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2093 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2094
2095 if (!ctx) {
2096 return NT_STATUS_NO_MEMORY;
2097 }
2098
2099 if (!username || !*username) {
2100 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2101 status = NT_STATUS_INVALID_PARAMETER;
2102 goto fn_exit;
2103 }
2104
2105 /* free this list after the second search or in case we exit on failure */
2106 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2107
2108 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2109
2110 if (rc != LDAP_SUCCESS) {
2111 goto fn_exit;
2112 }
2113
2114 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2115 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2116 username));
2117 goto fn_exit;
2118 }
2119 ldap_msgfree(result);
2120 result = NULL;
2121
2122 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2123 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2124 sid, &result);
2125 if (rc == LDAP_SUCCESS) {
2126 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2127 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2128 "already in the base, with samba "
2129 "attributes\n", sid_string_dbg(sid)));
2130 goto fn_exit;
2131 }
2132 ldap_msgfree(result);
2133 result = NULL;
2134 }
2135 }
2136
2137 /* does the entry already exist but without a samba attributes?
2138 we need to return the samba attributes here */
2139
2140 escape_user = escape_ldap_string_alloc( username );
2141 filter = talloc_strdup(attr_list, "(uid=%u)");
2142 if (!filter) {
2143 status = NT_STATUS_NO_MEMORY;
2144 goto fn_exit;
2145 }
2146 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2147 if (!filter) {
2148 status = NT_STATUS_NO_MEMORY;
2149 goto fn_exit;
2150 }
2151 SAFE_FREE(escape_user);
2152
2153 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2154 filter, attr_list, &result);
2155 if ( rc != LDAP_SUCCESS ) {
2156 goto fn_exit;
2157 }
2158
2159 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2160
2161 if (num_result > 1) {
2162 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2163 goto fn_exit;
2164 }
2165
2166 /* Check if we need to update an existing entry */
2167 if (num_result == 1) {
2168 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2169 ldap_op = LDAP_MOD_REPLACE;
2170 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2171 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2172 if (!dn) {
2173 status = NT_STATUS_NO_MEMORY;
2174 goto fn_exit;
2175 }
2176
2177 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2178
2179 /* There might be a SID for this account already - say an idmap entry */
2180
2181 filter = talloc_asprintf(ctx,
2182 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2183 get_userattr_key2string(ldap_state->schema_ver,
2184 LDAP_ATTR_USER_SID),
2185 sid_string_talloc(ctx, sid),
2186 LDAP_OBJ_IDMAP_ENTRY,
2187 LDAP_OBJ_SID_ENTRY);
2188 if (!filter) {
2189 status = NT_STATUS_NO_MEMORY;
2190 goto fn_exit;
2191 }
2192
2193 /* free old result before doing a new search */
2194 if (result != NULL) {
2195 ldap_msgfree(result);
2196 result = NULL;
2197 }
2198 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2199 filter, attr_list, &result);
2200
2201 if ( rc != LDAP_SUCCESS ) {
2202 goto fn_exit;
2203 }
2204
2205 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2206
2207 if (num_result > 1) {
2208 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2209 goto fn_exit;
2210 }
2211
2212 /* Check if we need to update an existing entry */
2213 if (num_result == 1) {
2214
2215 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2216 ldap_op = LDAP_MOD_REPLACE;
2217 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2218 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2219 if (!dn) {
2220 status = NT_STATUS_NO_MEMORY;
2221 goto fn_exit;
2222 }
2223 }
2224 }
2225
2226 if (num_result == 0) {
2227 char *escape_username;
2228 /* Check if we need to add an entry */
2229 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2230 ldap_op = LDAP_MOD_ADD;
2231
2232 escape_username = escape_rdn_val_string_alloc(username);
2233 if (!escape_username) {
2234 status = NT_STATUS_NO_MEMORY;
2235 goto fn_exit;
2236 }
2237
2238 if (username[strlen(username)-1] == '$') {
2239 dn = talloc_asprintf(ctx,
2240 "uid=%s,%s",
2241 escape_username,
2242 lp_ldap_machine_suffix());
2243 } else {
2244 dn = talloc_asprintf(ctx,
2245 "uid=%s,%s",
2246 escape_username,
2247 lp_ldap_user_suffix());
2248 }
2249
2250 SAFE_FREE(escape_username);
2251 if (!dn) {
2252 status = NT_STATUS_NO_MEMORY;
2253 goto fn_exit;
2254 }
2255 }
2256
2257 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2258 element_is_set_or_changed)) {
2259 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2260 if (mods != NULL) {
2261 ldap_mods_free(mods, true);
2262 }
2263 goto fn_exit;
2264 }
2265
2266 if (mods == NULL) {
2267 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2268 goto fn_exit;
2269 }
2270 switch ( ldap_state->schema_ver ) {
2271 case SCHEMAVER_SAMBAACCOUNT:
2272 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2273 break;
2274 case SCHEMAVER_SAMBASAMACCOUNT:
2275 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2276 break;
2277 default:
2278 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2279 break;
2280 }
2281
2282 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2283 if (!NT_STATUS_IS_OK(ret)) {
2284 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2285 pdb_get_username(newpwd),dn));
2286 ldap_mods_free(mods, true);
2287 goto fn_exit;
2288 }
2289
2290 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2291 ldap_mods_free(mods, true);
2292
2293 status = NT_STATUS_OK;
2294
2295 fn_exit:
2296
2297 TALLOC_FREE(ctx);
2298 SAFE_FREE(escape_user);
2299 if (result) {
2300 ldap_msgfree(result);
2301 }
2302 return status;
2303 }
2304
2305 /**********************************************************************
2306 *********************************************************************/
2307
2308 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2309 const char *filter,
2310 LDAPMessage ** result)
2311 {
2312 int scope = LDAP_SCOPE_SUBTREE;
2313 int rc;
2314 const char **attr_list;
2315
2316 attr_list = get_attr_list(NULL, groupmap_attr_list);
2317 rc = smbldap_search(ldap_state->smbldap_state,
2318 lp_ldap_suffix (), scope,
2319 filter, attr_list, 0, result);
2320 TALLOC_FREE(attr_list);
2321
2322 return rc;
2323 }
2324
2325 /**********************************************************************
2326 *********************************************************************/
2327
2328 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2329 GROUP_MAP *map, LDAPMessage *entry)
2330 {
2331 char *temp = NULL;
2332 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2333
2334 if (ldap_state == NULL || map == NULL || entry == NULL ||
2335 ldap_state->smbldap_state->ldap_struct == NULL) {
2336 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2337 TALLOC_FREE(ctx);
2338 return false;
2339 }
2340
2341 temp = smbldap_talloc_single_attribute(
2342 ldap_state->smbldap_state->ldap_struct,
2343 entry,
2344 get_attr_key2string(groupmap_attr_list,
2345 LDAP_ATTR_GIDNUMBER),
2346 ctx);
2347 if (!temp) {
2348 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2349 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2350 TALLOC_FREE(ctx);
2351 return false;
2352 }
2353 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2354
2355 map->gid = (gid_t)atol(temp);
2356
2357 TALLOC_FREE(temp);
2358 temp = smbldap_talloc_single_attribute(
2359 ldap_state->smbldap_state->ldap_struct,
2360 entry,
2361 get_attr_key2string(groupmap_attr_list,
2362 LDAP_ATTR_GROUP_SID),
2363 ctx);
2364 if (!temp) {
2365 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2366 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2367 TALLOC_FREE(ctx);
2368 return false;
2369 }
2370
2371 if (!string_to_sid(&map->sid, temp)) {
2372 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2373 TALLOC_FREE(ctx);
2374 return false;
2375 }
2376
2377 TALLOC_FREE(temp);
2378 temp = smbldap_talloc_single_attribute(
2379 ldap_state->smbldap_state->ldap_struct,
2380 entry,
2381 get_attr_key2string(groupmap_attr_list,
2382 LDAP_ATTR_GROUP_TYPE),
2383 ctx);
2384 if (!temp) {
2385 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2386 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2387 TALLOC_FREE(ctx);
2388 return false;
2389 }
2390 map->sid_name_use = (enum lsa_SidType)atol(temp);
2391
2392 if ((map->sid_name_use < SID_NAME_USER) ||
2393 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2394 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2395 TALLOC_FREE(ctx);
2396 return false;
2397 }
2398
2399 TALLOC_FREE(temp);
2400 temp = smbldap_talloc_single_attribute(
2401 ldap_state->smbldap_state->ldap_struct,
2402 entry,
2403 get_attr_key2string(groupmap_attr_list,
2404 LDAP_ATTR_DISPLAY_NAME),
2405 ctx);
2406 if (!temp) {
2407 temp = smbldap_talloc_single_attribute(
2408 ldap_state->smbldap_state->ldap_struct,
2409 entry,
2410 get_attr_key2string(groupmap_attr_list,
2411 LDAP_ATTR_CN),
2412 ctx);
2413 if (!temp) {
2414 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2415 for gidNumber(%lu)\n",(unsigned long)map->gid));
2416 TALLOC_FREE(ctx);
2417 return false;
2418 }
2419 }
2420 fstrcpy(map->nt_name, temp);
2421
2422 TALLOC_FREE(temp);
2423 temp = smbldap_talloc_single_attribute(
2424 ldap_state->smbldap_state->ldap_struct,
2425 entry,
2426 get_attr_key2string(groupmap_attr_list,
2427 LDAP_ATTR_DESC),
2428 ctx);
2429 if (!temp) {
2430 temp = talloc_strdup(ctx, "");
2431 if (!temp) {
2432 TALLOC_FREE(ctx);
2433 return false;
2434 }
2435 }
2436 fstrcpy(map->comment, temp);
2437
2438 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2439 store_gid_sid_cache(&map->sid, map->gid);
2440 }
2441
2442 TALLOC_FREE(ctx);
2443 return true;
2444 }
2445
2446 /**********************************************************************
2447 *********************************************************************/
2448
2449 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2450 const char *filter,
2451 GROUP_MAP *map)
2452 {
2453 struct ldapsam_privates *ldap_state =
2454 (struct ldapsam_privates *)methods->private_data;
2455 LDAPMessage *result = NULL;
2456 LDAPMessage *entry = NULL;
2457 int count;
2458
2459 if (ldapsam_search_one_group(ldap_state, filter, &result)
2460 != LDAP_SUCCESS) {
2461 return NT_STATUS_NO_SUCH_GROUP;
2462 }
2463
2464 count = ldap_count_entries(priv2ld(ldap_state), result);
2465
2466 if (count < 1) {
2467 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2468 "%s\n", filter));
2469 ldap_msgfree(result);
2470 return NT_STATUS_NO_SUCH_GROUP;
2471 }
2472
2473 if (count > 1) {
2474 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2475 "count=%d\n", filter, count));
2476 ldap_msgfree(result);
2477 return NT_STATUS_NO_SUCH_GROUP;
2478 }
2479
2480 entry = ldap_first_entry(priv2ld(ldap_state), result);
2481
2482 if (!entry) {
2483 ldap_msgfree(result);
2484 return NT_STATUS_UNSUCCESSFUL;
2485 }
2486
2487 if (!init_group_from_ldap(ldap_state, map, entry)) {
2488 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2489 "group filter %s\n", filter));
2490 ldap_msgfree(result);
2491 return NT_STATUS_NO_SUCH_GROUP;
2492 }
2493
2494 ldap_msgfree(result);
2495 return NT_STATUS_OK;
2496 }
2497
2498 /**********************************************************************
2499 *********************************************************************/
2500
2501 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2502 DOM_SID sid)
2503 {
2504 char *filter = NULL;
2505 NTSTATUS status;
2506 fstring tmp;
2507
2508 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2509 LDAP_OBJ_GROUPMAP,
2510 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2511 sid_to_fstring(tmp, &sid)) < 0) {
2512 return NT_STATUS_NO_MEMORY;
2513 }
2514
2515 status = ldapsam_getgroup(methods, filter, map);
2516 SAFE_FREE(filter);
2517 return status;
2518 }
2519
2520 /**********************************************************************
2521 *********************************************************************/
2522
2523 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2524 gid_t gid)
2525 {
2526 char *filter = NULL;
2527 NTSTATUS status;
2528
2529 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2530 LDAP_OBJ_GROUPMAP,
2531 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2532 (unsigned long)gid) < 0) {
2533 return NT_STATUS_NO_MEMORY;
2534 }
2535
2536 status = ldapsam_getgroup(methods, filter, map);
2537 SAFE_FREE(filter);
2538 return status;
2539 }
2540
2541 /**********************************************************************
2542 *********************************************************************/
2543
2544 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2545 const char *name)
2546 {
2547 char *filter = NULL;
2548 char *escape_name = escape_ldap_string_alloc(name);
2549 NTSTATUS status;
2550
2551 if (!escape_name) {
2552 return NT_STATUS_NO_MEMORY;
2553 }
2554
2555 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2556 LDAP_OBJ_GROUPMAP,
2557 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2558 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2559 escape_name) < 0) {
2560 SAFE_FREE(escape_name);
2561 return NT_STATUS_NO_MEMORY;
2562 }
2563
2564 SAFE_FREE(escape_name);
2565 status = ldapsam_getgroup(methods, filter, map);
2566 SAFE_FREE(filter);
2567 return status;
2568 }
2569
2570 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2571 LDAPMessage *entry,
2572 const DOM_SID *domain_sid,
2573 uint32 *rid)
2574 {
2575 fstring str;
2576 DOM_SID sid;
2577
2578 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2579 str, sizeof(str)-1)) {
2580 DEBUG(10, ("Could not find sambaSID attribute\n"));
2581 return False;
2582 }
2583
2584 if (!string_to_sid(&sid, str)) {
2585 DEBUG(10, ("Could not convert string %s to sid\n", str));
2586 return False;
2587 }
2588
2589 if (sid_compare_domain(&sid, domain_sid) != 0) {
2590 DEBUG(10, ("SID %s is not in expected domain %s\n",
2591 str, sid_string_dbg(domain_sid)));
2592 return False;
2593 }
2594
2595 if (!sid_peek_rid(&sid, rid)) {
2596 DEBUG(10, ("Could not peek into RID\n"));
2597 return False;
2598 }
2599
2600 return True;
2601 }
2602
2603 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2604 TALLOC_CTX *mem_ctx,
2605 const DOM_SID *group,
2606 uint32 **pp_member_rids,
2607 size_t *p_num_members)
2608 {
2609 struct ldapsam_privates *ldap_state =
2610 (struct ldapsam_privates *)methods->private_data;
2611 struct smbldap_state *conn = ldap_state->smbldap_state;
2612 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2613 const char *sid_attrs[] = { "sambaSID", NULL };
2614 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2615 LDAPMessage *result = NULL;
2616 LDAPMessage *entry;
2617 char *filter;
2618 char **values = NULL;
2619 char **memberuid;
2620 char *gidstr;
2621 int rc, count;
2622
2623 *pp_member_rids = NULL;
2624 *p_num_members = 0;
2625
2626 filter = talloc_asprintf(mem_ctx,
2627 "(&(objectClass=%s)"
2628 "(objectClass=%s)"
2629 "(sambaSID=%s))",
2630 LDAP_OBJ_POSIXGROUP,
2631 LDAP_OBJ_GROUPMAP,
2632 sid_string_talloc(mem_ctx, group));
2633 if (filter == NULL) {
2634 ret = NT_STATUS_NO_MEMORY;
2635 goto done;
2636 }
2637
2638 rc = smbldap_search(conn, lp_ldap_suffix(),
2639 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2640 &result);
2641
2642 if (rc != LDAP_SUCCESS)
2643 goto done;
2644
2645 talloc_autofree_ldapmsg(mem_ctx, result);
2646
2647 count = ldap_count_entries(conn->ldap_struct, result);
2648
2649 if (count > 1) {
2650 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2651 sid_string_dbg(group)));
2652 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2653 goto done;
2654 }
2655
2656 if (count == 0) {
2657 ret = NT_STATUS_NO_SUCH_GROUP;
2658 goto done;
2659 }
2660
2661 entry = ldap_first_entry(conn->ldap_struct, result);
2662 if (entry == NULL)
2663 goto done;
2664
2665 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2666 if (!gidstr) {
2667 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2668 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2669 goto done;
2670 }
2671
2672 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2673
2674 if ((values != NULL) && (values[0] != NULL)) {
2675
2676 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2677 if (filter == NULL) {
2678 ret = NT_STATUS_NO_MEMORY;
2679 goto done;
2680 }
2681
2682 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2683 char *escape_memberuid;
2684
2685 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2686 if (escape_memberuid == NULL) {
2687 ret = NT_STATUS_NO_MEMORY;
2688 goto done;
2689 }
2690
2691 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2692 if (filter == NULL) {
2693 SAFE_FREE(escape_memberuid);
2694 ret = NT_STATUS_NO_MEMORY;
2695 goto done;
2696 }
2697
2698 SAFE_FREE(escape_memberuid);
2699 }
2700
2701 filter = talloc_asprintf_append_buffer(filter, "))");
2702 if (filter == NULL) {
2703 ret = NT_STATUS_NO_MEMORY;
2704 goto done;
2705 }
2706
2707 rc = smbldap_search(conn, lp_ldap_suffix(),
2708 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2709 &result);
2710
2711 if (rc != LDAP_SUCCESS)
2712 goto done;
2713
2714 count = ldap_count_entries(conn->ldap_struct, result);
2715 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2716
2717 talloc_autofree_ldapmsg(mem_ctx, result);
2718
2719 for (entry = ldap_first_entry(conn->ldap_struct, result);
2720 entry != NULL;
2721 entry = ldap_next_entry(conn->ldap_struct, entry))
2722 {
2723 char *sidstr;
2724 DOM_SID sid;
2725 uint32 rid;
2726
2727 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2728 entry, "sambaSID",
2729 mem_ctx);
2730 if (!sidstr) {
2731 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2732 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2733 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2734 goto done;
2735 }
2736
2737 if (!string_to_sid(&sid, sidstr))
2738 goto done;
2739
2740 if (!sid_check_is_in_our_domain(&sid)) {
2741 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2742 "in our domain\n"));
2743 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2744 goto done;
2745 }
2746
2747 sid_peek_rid(&sid, &rid);
2748
2749 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2750 p_num_members)) {
2751 ret = NT_STATUS_NO_MEMORY;
2752 goto done;
2753 }
2754 }
2755 }
2756
2757 filter = talloc_asprintf(mem_ctx,
2758 "(&(objectClass=%s)"
2759 "(gidNumber=%s))",
2760 LDAP_OBJ_SAMBASAMACCOUNT,
2761 gidstr);
2762
2763 rc = smbldap_search(conn, lp_ldap_suffix(),
2764 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2765 &result);
2766
2767 if (rc != LDAP_SUCCESS)
2768 goto done;
2769
2770 talloc_autofree_ldapmsg(mem_ctx, result);
2771
2772 for (entry = ldap_first_entry(conn->ldap_struct, result);
2773 entry != NULL;
2774 entry = ldap_next_entry(conn->ldap_struct, entry))
2775 {
2776 uint32 rid;
2777
2778 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2779 entry,
2780 get_global_sam_sid(),
2781 &rid)) {
2782 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2783 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2784 goto done;
2785 }
2786
2787 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2788 p_num_members)) {
2789 ret = NT_STATUS_NO_MEMORY;
2790 goto done;
2791 }
2792 }
2793
2794 ret = NT_STATUS_OK;
2795
2796 done:
2797
2798 if (values)
2799 ldap_value_free(values);
2800
2801 return ret;
2802 }
2803
2804 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2805 TALLOC_CTX *mem_ctx,
2806 struct samu *user,
2807 DOM_SID **pp_sids,
2808 gid_t **pp_gids,
2809 size_t *p_num_groups)
2810 {
2811 struct ldapsam_privates *ldap_state =
2812 (struct ldapsam_privates *)methods->private_data;
2813 struct smbldap_state *conn = ldap_state->smbldap_state;
2814 char *filter;
2815 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2816 char *escape_name;
2817 int rc, count;
2818 LDAPMessage *result = NULL;
2819 LDAPMessage *entry;
2820 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2821 size_t num_sids, num_gids;
2822 char *gidstr;
2823 gid_t primary_gid = -1;
2824
2825 *pp_sids = NULL;
2826 num_sids = 0;
2827
2828 if (pdb_get_username(user) == NULL) {
2829 return NT_STATUS_INVALID_PARAMETER;
2830 }
2831
2832 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2833 if (escape_name == NULL)
2834 return NT_STATUS_NO_MEMORY;
2835
2836 /* retrieve the users primary gid */
2837 filter = talloc_asprintf(mem_ctx,
2838 "(&(objectClass=%s)(uid=%s))",
2839 LDAP_OBJ_SAMBASAMACCOUNT,
2840 escape_name);
2841 if (filter == NULL) {
2842 ret = NT_STATUS_NO_MEMORY;
2843 goto done;
2844 }
2845
2846 rc = smbldap_search(conn, lp_ldap_suffix(),
2847 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2848
2849 if (rc != LDAP_SUCCESS)
2850 goto done;
2851
2852 talloc_autofree_ldapmsg(mem_ctx, result);
2853
2854 count = ldap_count_entries(priv2ld(ldap_state), result);
2855
2856 switch (count) {
2857 case 0:
2858 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2859 ret = NT_STATUS_NO_SUCH_USER;
2860 goto done;
2861 case 1:
2862 entry = ldap_first_entry(priv2ld(ldap_state), result);
2863
2864 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2865 if (!gidstr) {
2866 DEBUG (1, ("Unable to find the member's gid!\n"));
2867 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2868 goto done;
2869 }
2870 primary_gid = strtoul(gidstr, NULL, 10);
2871 break;
2872 default:
2873 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2874 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2875 goto done;
2876 }
2877
2878 filter = talloc_asprintf(mem_ctx,
2879 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2880 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2881 if (filter == NULL) {
2882 ret = NT_STATUS_NO_MEMORY;
2883 goto done;
2884 }
2885
2886 rc = smbldap_search(conn, lp_ldap_suffix(),
2887 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2888
2889 if (rc != LDAP_SUCCESS)
2890 goto done;
2891
2892 talloc_autofree_ldapmsg(mem_ctx, result);
2893
2894 num_gids = 0;
2895 *pp_gids = NULL;
2896
2897 num_sids = 0;
2898 *pp_sids = NULL;
2899
2900 /* We need to add the primary group as the first gid/sid */
2901
2902 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2903 ret = NT_STATUS_NO_MEMORY;
2904 goto done;
2905 }
2906
2907 /* This sid will be replaced later */
2908
2909 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2910 &num_sids);
2911 if (!NT_STATUS_IS_OK(ret)) {
2912 goto done;
2913 }
2914
2915 for (entry = ldap_first_entry(conn->ldap_struct, result);
2916 entry != NULL;
2917 entry = ldap_next_entry(conn->ldap_struct, entry))
2918 {
2919 fstring str;
2920 DOM_SID sid;
2921 gid_t gid;
2922 char *end;
2923
2924 if (!smbldap_get_single_attribute(conn->ldap_struct,
2925 entry, "sambaSID",
2926 str, sizeof(str)-1))
2927 continue;
2928
2929 if (!string_to_sid(&sid, str))
2930 goto done;
2931
2932 if (!smbldap_get_single_attribute(conn->ldap_struct,
2933 entry, "gidNumber",
2934 str, sizeof(str)-1))
2935 continue;
2936
2937 gid = strtoul(str, &end, 10);
2938
2939 if (PTR_DIFF(end, str) != strlen(str))
2940 goto done;
2941
2942 if (gid == primary_gid) {
2943 sid_copy(&(*pp_sids)[0], &sid);
2944 } else {
2945 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2946 &num_gids)) {
2947 ret = NT_STATUS_NO_MEMORY;
2948 goto done;
2949 }
2950 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2951 &num_sids);
2952 if (!NT_STATUS_IS_OK(ret)) {
2953 goto done;
2954 }
2955 }
2956 }
2957
2958 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2959 DEBUG(3, ("primary group of [%s] not found\n",
2960 pdb_get_username(user)));
2961 goto done;
2962 }
2963
2964 *p_num_groups = num_sids;
2965
2966 ret = NT_STATUS_OK;
2967
2968 done:
2969
2970 SAFE_FREE(escape_name);
2971 return ret;
2972 }
2973
2974 /**********************************************************************
2975 * Augment a posixGroup object with a sambaGroupMapping domgroup
2976 *********************************************************************/
2977
2978 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2979 struct ldapsam_privates *ldap_state,
2980 GROUP_MAP *map)
2981 {
2982 const char *filter, *dn;
2983 LDAPMessage *msg, *entry;
2984 LDAPMod **mods;
2985 int rc;
2986
2987 filter = talloc_asprintf(mem_ctx,
2988 "(&(objectClass=%s)(gidNumber=%u))",
2989 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2990 if (filter == NULL) {
2991 return NT_STATUS_NO_MEMORY;
2992 }
2993
2994 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2995 get_attr_list(mem_ctx, groupmap_attr_list),
2996 &msg);
2997 talloc_autofree_ldapmsg(mem_ctx, msg);
2998
2999 if ((rc != LDAP_SUCCESS) ||
3000 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3001 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3002 return NT_STATUS_NO_SUCH_GROUP;
3003 }
3004
3005 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3006 if (dn == NULL) {
3007 return NT_STATUS_NO_MEMORY;
3008 }
3009
3010 mods = NULL;
3011 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3012 LDAP_OBJ_GROUPMAP);
3013 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3014 sid_string_talloc(mem_ctx, &map->sid));
3015 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3016 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3017 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3018 map->nt_name);
3019 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3020 map->comment);
3021 talloc_autofree_ldapmod(mem_ctx, mods);
3022
3023 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3024 if (rc != LDAP_SUCCESS) {
3025 return NT_STATUS_ACCESS_DENIED;
3026 }
3027
3028 return NT_STATUS_OK;
3029 }
3030
3031 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3032 GROUP_MAP *map)
3033 {
3034 struct ldapsam_privates *ldap_state =
3035 (struct ldapsam_privates *)methods->private_data;
3036 LDAPMessage *msg = NULL;
3037 LDAPMod **mods = NULL;
3038 const char *attrs[] = { NULL };
3039 char *filter;
3040
3041 char *dn;
3042 TALLOC_CTX *mem_ctx;
3043 NTSTATUS result;
3044
3045 DOM_SID sid;
3046
3047 int rc;
3048
3049 mem_ctx = talloc_new(NULL);
3050 if (mem_ctx == NULL) {
3051 DEBUG(0, ("talloc_new failed\n"));
3052 return NT_STATUS_NO_MEMORY;
3053 }
3054
3055 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3056 sid_string_talloc(mem_ctx, &map->sid));
3057 if (filter == NULL) {
3058 result = NT_STATUS_NO_MEMORY;
3059 goto done;
3060 }
3061
3062 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3063 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3064 talloc_autofree_ldapmsg(mem_ctx, msg);
3065
3066 if ((rc == LDAP_SUCCESS) &&
3067 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3068
3069 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3070 "group mapping entry\n", sid_string_dbg(&map->sid)));
3071 result = NT_STATUS_GROUP_EXISTS;
3072 goto done;
3073 }
3074
3075 switch (map->sid_name_use) {
3076
3077 case SID_NAME_DOM_GRP:
3078 /* To map a domain group we need to have a posix group
3079 to attach to. */
3080 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3081 goto done;
3082 break;
3083
3084 case SID_NAME_ALIAS:
3085 if (!sid_check_is_in_our_domain(&map->sid)
3086 && !sid_check_is_in_builtin(&map->sid) )
3087 {
3088 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3089 sid_string_dbg(&map->sid)));
3090 result = NT_STATUS_INVALID_PARAMETER;
3091 goto done;
3092 }
3093 break;
3094
3095 default:
3096 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3097 sid_type_lookup(map->sid_name_use)));
3098 result = NT_STATUS_INVALID_PARAMETER;
3099 goto done;
3100 }
3101
3102 /* Domain groups have been mapped in a separate routine, we have to
3103 * create an alias now */
3104
3105 if (map->gid == -1) {
3106 DEBUG(10, ("Refusing to map gid==-1\n"));
3107 result = NT_STATUS_INVALID_PARAMETER;
3108 goto done;
3109 }
3110
3111 if (pdb_gid_to_sid(map->gid, &sid)) {
3112 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3113 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3114 result = NT_STATUS_GROUP_EXISTS;
3115 goto done;
3116 }
3117
3118 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3119 * the best we can get out of LDAP. */
3120
3121 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3122 sid_string_talloc(mem_ctx, &map->sid),
3123 lp_ldap_group_suffix());
3124 if (dn == NULL) {
3125 result = NT_STATUS_NO_MEMORY;
3126 goto done;
3127 }
3128
3129 mods = NULL;
3130
3131 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3132 LDAP_OBJ_SID_ENTRY);
3133 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3134 LDAP_OBJ_GROUPMAP);
3135 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3136 sid_string_talloc(mem_ctx, &map->sid));
3137 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3138 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3139 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3140 map->nt_name);
3141 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3142 map->comment);
3143 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3144 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3145 talloc_autofree_ldapmod(mem_ctx, mods);
3146
3147 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3148
3149 result = (rc == LDAP_SUCCESS) ?
3150 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3151
3152 done:
3153 TALLOC_FREE(mem_ctx);
3154 return result;
3155 }
3156
3157 /**********************************************************************
3158 * Update a group mapping entry. We're quite strict about what can be changed:
3159 * Only the description and displayname may be changed. It simply does not
3160 * make any sense to change the SID, gid or the type in a mapping.
3161 *********************************************************************/
3162
3163 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3164 GROUP_MAP *map)
3165 {
3166 struct ldapsam_privates *ldap_state =
3167 (struct ldapsam_privates *)methods->private_data;
3168 int rc;
3169 const char *filter, *dn;
3170 LDAPMessage *msg = NULL;
3171 LDAPMessage *entry = NULL;
3172 LDAPMod **mods = NULL;
3173 TALLOC_CTX *mem_ctx;
3174 NTSTATUS result;
3175
3176 mem_ctx = talloc_new(NULL);
3177 if (mem_ctx == NULL) {
3178 DEBUG(0, ("talloc_new failed\n"));
3179 return NT_STATUS_NO_MEMORY;
3180 }
3181
3182 /* Make 100% sure that sid, gid and type are not changed by looking up
3183 * exactly the values we're given in LDAP. */
3184
3185 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3186 "(sambaSid=%s)(gidNumber=%u)"
3187 "(sambaGroupType=%d))",
3188 LDAP_OBJ_GROUPMAP,
3189 sid_string_talloc(mem_ctx, &map->sid),
3190 (unsigned int)map->gid, map->sid_name_use);
3191 if (filter == NULL) {
3192 result = NT_STATUS_NO_MEMORY;
3193 goto done;
3194 }
3195
3196 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3197 get_attr_list(mem_ctx, groupmap_attr_list),
3198 &msg);
3199 talloc_autofree_ldapmsg(mem_ctx, msg);
3200
3201 if ((rc != LDAP_SUCCESS) ||
3202 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3203 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3204 result = NT_STATUS_NO_SUCH_GROUP;
3205 goto done;
3206 }
3207
3208 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3209
3210 if (dn == NULL) {
3211 result = NT_STATUS_NO_MEMORY;
3212 goto done;
3213 }
3214
3215 mods = NULL;
3216 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3217 map->nt_name);
3218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3219 map->comment);
3220 talloc_autofree_ldapmod(mem_ctx, mods);
3221
3222 if (mods == NULL) {
3223 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3224 "nothing to do\n"));
3225 result = NT_STATUS_OK;
3226 goto done;
3227 }
3228
3229 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3230
3231 if (rc != LDAP_SUCCESS) {
3232 result = NT_STATUS_ACCESS_DENIED;
3233 goto done;
3234 }
3235
3236 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3237 "group %lu in LDAP\n", (unsigned long)map->gid));
3238
3239 result = NT_STATUS_OK;
3240
3241 done:
3242 TALLOC_FREE(mem_ctx);
3243 return result;
3244 }
3245
3246 /**********************************************************************
3247 *********************************************************************/
3248
3249 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3250 DOM_SID sid)
3251 {
3252 struct ldapsam_privates *priv =
3253 (struct ldapsam_privates *)methods->private_data;
3254 LDAPMessage *msg, *entry;
3255 int rc;
3256 NTSTATUS result;
3257 TALLOC_CTX *mem_ctx;
3258 char *filter;
3259
3260 mem_ctx = talloc_new(NULL);
3261 if (mem_ctx == NULL) {
3262 DEBUG(0, ("talloc_new failed\n"));
3263 return NT_STATUS_NO_MEMORY;
3264 }
3265
3266 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3267 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3268 sid_string_talloc(mem_ctx, &sid));
3269 if (filter == NULL) {
3270 result = NT_STATUS_NO_MEMORY;
3271 goto done;
3272 }
3273 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3274 get_attr_list(mem_ctx, groupmap_attr_list),
3275 &msg);
3276 talloc_autofree_ldapmsg(mem_ctx, msg);
3277
3278 if ((rc != LDAP_SUCCESS) ||
3279 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3280 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3281 result = NT_STATUS_NO_SUCH_GROUP;
3282 goto done;
3283 }
3284
3285 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3286 get_attr_list(mem_ctx,
3287 groupmap_attr_list_to_delete));
3288
3289 if ((rc == LDAP_NAMING_VIOLATION) ||
3290 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3291 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3292 const char *attrs[] = { "sambaGroupType", "description",
3293 "displayName", "sambaSIDList",
3294 NULL };
3295
3296 /* Second try. Don't delete the sambaSID attribute, this is
3297 for "old" entries that are tacked on a winbind
3298 sambaIdmapEntry. */
3299
3300 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3301 LDAP_OBJ_GROUPMAP, attrs);
3302 }
3303
3304 if ((rc == LDAP_NAMING_VIOLATION) ||
3305 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3306 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3307 const char *attrs[] = { "sambaGroupType", "description",
3308 "displayName", "sambaSIDList",
3309 "gidNumber", NULL };
3310
3311 /* Third try. This is a post-3.0.21 alias (containing only
3312 * sambaSidEntry and sambaGroupMapping classes), we also have
3313 * to delete the gidNumber attribute, only the sambaSidEntry
3314 * remains */
3315
3316 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3317 LDAP_OBJ_GROUPMAP, attrs);
3318 }
3319
3320 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3321
3322 done:
3323 TALLOC_FREE(mem_ctx);
3324 return result;
3325 }
3326
3327 /**********************************************************************
3328 *********************************************************************/
3329
3330 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3331 bool update)
3332 {
3333 struct ldapsam_privates *ldap_state =
3334 (struct ldapsam_privates *)my_methods->private_data;
3335 char *filter = NULL;
3336 int rc;
3337 const char **attr_list;
3338
3339 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3340 if (!filter) {
3341 return NT_STATUS_NO_MEMORY;
3342 }
3343 attr_list = get_attr_list( NULL, groupmap_attr_list );
3344 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3345 LDAP_SCOPE_SUBTREE, filter,
3346 attr_list, 0, &ldap_state->result);
3347 TALLOC_FREE(attr_list);
3348
3349 if (rc != LDAP_SUCCESS) {
3350 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3351 ldap_err2string(rc)));
3352 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3353 lp_ldap_suffix(), filter));
3354 ldap_msgfree(ldap_state->result);
3355 ldap_state->result = NULL;
3356 TALLOC_FREE(filter);
3357 return NT_STATUS_UNSUCCESSFUL;
3358 }
3359
3360 TALLOC_FREE(filter);
3361
3362 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3363 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3364 ldap_state->result)));
3365
3366 ldap_state->entry =
3367 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3368 ldap_state->result);
3369 ldap_state->index = 0;
3370
3371 return NT_STATUS_OK;
3372 }
3373
3374 /**********************************************************************
3375 *********************************************************************/
3376
3377 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3378 {
3379 ldapsam_endsampwent(my_methods);
3380 }
3381
3382 /**********************************************************************
3383 *********************************************************************/
3384
3385 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3386 GROUP_MAP *map)
3387 {
3388 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3389 struct ldapsam_privates *ldap_state =
3390 (struct ldapsam_privates *)my_methods->private_data;
3391 bool bret = False;
3392
3393 while (!bret) {
3394 if (!ldap_state->entry)
3395 return ret;
3396
3397 ldap_state->index++;
3398 bret = init_group_from_ldap(ldap_state, map,
3399 ldap_state->entry);
3400
3401 ldap_state->entry =
3402 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3403 ldap_state->entry);
3404 }
3405
3406 return NT_STATUS_OK;
3407 }
3408
3409 /**********************************************************************
3410 *********************************************************************/
3411
3412 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3413 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3414 GROUP_MAP **pp_rmap,
3415 size_t *p_num_entries,
3416 bool unix_only)
3417 {
3418 GROUP_MAP map;
3419 size_t entries = 0;
3420
3421 *p_num_entries = 0;
3422 *pp_rmap = NULL;
3423
3424 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3425 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3426 "passdb\n"));
3427 return NT_STATUS_ACCESS_DENIED;
3428 }
3429
3430 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3431 if (sid_name_use != SID_NAME_UNKNOWN &&
3432 sid_name_use != map.sid_name_use) {
3433 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3434 "not of the requested type\n", map.nt_name));
3435 continue;
3436 }
3437 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3438 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3439 "non mapped\n", map.nt_name));
3440 continue;
3441 }
3442
3443 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3444 if (!(*pp_rmap)) {
3445 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3446 "enlarge group map!\n"));
3447 return NT_STATUS_UNSUCCESSFUL;
3448 }
3449
3450 (*pp_rmap)[entries] = map;
3451
3452 entries += 1;
3453
3454 }
3455 ldapsam_endsamgrent(methods);
3456
3457 *p_num_entries = entries;
3458
3459 return NT_STATUS_OK;
3460 }
3461
3462 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3463 const DOM_SID *alias,
3464 const DOM_SID *member,
3465 int modop)
3466 {
3467 struct ldapsam_privates *ldap_state =
3468 (struct ldapsam_privates *)methods->private_data;
3469 char *dn = NULL;
3470 LDAPMessage *result = NULL;
3471 LDAPMessage *entry = NULL;
3472 int count;
3473 LDAPMod **mods = NULL;
3474 int rc;
3475 enum lsa_SidType type = SID_NAME_USE_NONE;
3476 fstring tmp;
3477
3478 char *filter = NULL;
3479
3480 if (sid_check_is_in_builtin(alias)) {
3481 type = SID_NAME_ALIAS;
3482 }
3483
3484 if (sid_check_is_in_our_domain(alias)) {
3485 type = SID_NAME_ALIAS;
3486 }
3487
3488 if (type == SID_NAME_USE_NONE) {
3489 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3490 sid_string_dbg(alias)));
3491 return NT_STATUS_NO_SUCH_ALIAS;
3492 }
3493
3494 if (asprintf(&filter,
3495 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3496 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3497 type) < 0) {
3498 return NT_STATUS_NO_MEMORY;
3499 }
3500
3501 if (ldapsam_search_one_group(ldap_state, filter,
3502 &result) != LDAP_SUCCESS) {
3503 SAFE_FREE(filter);
3504 return NT_STATUS_NO_SUCH_ALIAS;
3505 }
3506
3507 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3508 result);
3509
3510 if (count < 1) {
3511 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3512 ldap_msgfree(result);
3513 SAFE_FREE(filter);
3514 return NT_STATUS_NO_SUCH_ALIAS;
3515 }
3516
3517 if (count > 1) {
3518 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3519 "filter %s: count=%d\n", filter, count));
3520 ldap_msgfree(result);
3521 SAFE_FREE(filter);
3522 return NT_STATUS_NO_SUCH_ALIAS;
3523 }
3524
3525 SAFE_FREE(filter);
3526
3527 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3528 result);
3529
3530 if (!entry) {
3531 ldap_msgfree(result);
3532 return NT_STATUS_UNSUCCESSFUL;
3533 }
3534
3535 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3536 if (!dn) {
3537 ldap_msgfree(result);
3538 return NT_STATUS_UNSUCCESSFUL;
3539 }
3540
3541 smbldap_set_mod(&mods, modop,
3542 get_attr_key2string(groupmap_attr_list,
3543 LDAP_ATTR_SID_LIST),
3544 sid_to_fstring(tmp, member));
3545
3546 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3547
3548 ldap_mods_free(mods, True);
3549 ldap_msgfree(result);
3550 TALLOC_FREE(dn);
3551
3552 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3553 return NT_STATUS_MEMBER_IN_ALIAS;
3554 }
3555
3556 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3557 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3558 }
3559
3560 if (rc != LDAP_SUCCESS) {
3561 return NT_STATUS_UNSUCCESSFUL;
3562 }
3563
3564 return NT_STATUS_OK;
3565 }
3566
3567 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3568 const DOM_SID *alias,
3569 const DOM_SID *member)
3570 {
3571 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3572 }
3573
3574 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3575 const DOM_SID *alias,
3576 const DOM_SID *member)
3577 {
3578 return ldapsam_modify_aliasmem(methods, alias, member,
3579 LDAP_MOD_DELETE);
3580 }
3581
3582 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3583 const DOM_SID *alias,
3584 DOM_SID **pp_members,
3585 size_t *p_num_members)
3586 {
3587 struct ldapsam_privates *ldap_state =
3588 (struct ldapsam_privates *)methods->private_data;
3589 LDAPMessage *result = NULL;
3590 LDAPMessage *entry = NULL;
3591 int count;
3592 char **values = NULL;
3593 int i;
3594 char *filter = NULL;
3595 size_t num_members = 0;
3596 enum lsa_SidType type = SID_NAME_USE_NONE;
3597 fstring tmp;
3598
3599 *pp_members = NULL;
3600 *p_num_members = 0;
3601
3602 if (sid_check_is_in_builtin(alias)) {
3603 type = SID_NAME_ALIAS;
3604 }
3605
3606 if (sid_check_is_in_our_domain(alias)) {
3607 type = SID_NAME_ALIAS;
3608 }
3609
3610 if (type == SID_NAME_USE_NONE) {
3611 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3612 sid_string_dbg(alias)));
3613 return NT_STATUS_NO_SUCH_ALIAS;
3614 }
3615
3616 if (asprintf(&filter,
3617 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3618 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3619 type) < 0) {
3620 return NT_STATUS_NO_MEMORY;
3621 }
3622
3623 if (ldapsam_search_one_group(ldap_state, filter,
3624 &result) != LDAP_SUCCESS) {
3625 SAFE_FREE(filter);
3626 return NT_STATUS_NO_SUCH_ALIAS;
3627 }
3628
3629 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3630 result);
3631
3632 if (count < 1) {
3633 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3634 ldap_msgfree(result);
3635 SAFE_FREE(filter);
3636 return NT_STATUS_NO_SUCH_ALIAS;
3637 }
3638
3639 if (count > 1) {
3640 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3641 "filter %s: count=%d\n", filter, count));
3642 ldap_msgfree(result);
3643 SAFE_FREE(filter);
3644 return NT_STATUS_NO_SUCH_ALIAS;
3645 }
3646
3647 SAFE_FREE(filter);
3648
3649 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3650 result);
3651
3652 if (!entry) {
3653 ldap_msgfree(result);
3654 return NT_STATUS_UNSUCCESSFUL;
3655 }
3656
3657 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3658 entry,
3659 get_attr_key2string(groupmap_attr_list,
3660 LDAP_ATTR_SID_LIST));
3661
3662 if (values == NULL) {
3663 ldap_msgfree(result);
3664 return NT_STATUS_OK;
3665 }
3666
3667 count = ldap_count_values(values);
3668
3669 for (i=0; i<count; i++) {
3670 DOM_SID member;
3671 NTSTATUS status;
3672
3673 if (!string_to_sid(&member, values[i]))
3674 continue;
3675
3676 status = add_sid_to_array(NULL, &member, pp_members,
3677 &num_members);
3678 if (!NT_STATUS_IS_OK(status)) {
3679 ldap_value_free(values);
3680 ldap_msgfree(result);
3681 return status;
3682 }
3683 }
3684
3685 *p_num_members = num_members;
3686 ldap_value_free(values);
3687 ldap_msgfree(result);
3688
3689 return NT_STATUS_OK;
3690 }
3691
3692 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3693 TALLOC_CTX *mem_ctx,
3694 const DOM_SID *domain_sid,
3695 const DOM_SID *members,
3696 size_t num_members,
3697 uint32 **pp_alias_rids,
3698 size_t *p_num_alias_rids)
3699 {
3700 struct ldapsam_privates *ldap_state =
3701 (struct ldapsam_privates *)methods->private_data;
3702 LDAP *ldap_struct;
3703
3704 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3705
3706 LDAPMessage *result = NULL;
3707 LDAPMessage *entry = NULL;
3708 int i;
3709 int rc;
3710 char *filter;
3711 enum lsa_SidType type = SID_NAME_USE_NONE;
3712
3713 if (sid_check_is_builtin(domain_sid)) {
3714 type = SID_NAME_ALIAS;
3715 }
3716
3717 if (sid_check_is_domain(domain_sid)) {
3718 type = SID_NAME_ALIAS;
3719 }
3720
3721 if (type == SID_NAME_USE_NONE) {
3722 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3723 sid_string_dbg(domain_sid)));
3724 return NT_STATUS_UNSUCCESSFUL;
3725 }
3726
3727 filter = talloc_asprintf(mem_ctx,
3728 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3729 LDAP_OBJ_GROUPMAP, type);
3730
3731 for (i=0; i<num_members; i++)
3732 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3733 filter,
3734 sid_string_talloc(mem_ctx,
3735 &members[i]));
3736
3737 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3738
3739 if (filter == NULL) {
3740 return NT_STATUS_NO_MEMORY;
3741 }
3742
3743 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3744 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3745
3746 if (rc != LDAP_SUCCESS)
3747 return NT_STATUS_UNSUCCESSFUL;
3748
3749 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3750
3751 for (entry = ldap_first_entry(ldap_struct, result);
3752 entry != NULL;
3753 entry = ldap_next_entry(ldap_struct, entry))
3754 {
3755 fstring sid_str;
3756 DOM_SID sid;
3757 uint32 rid;
3758
3759 if (!smbldap_get_single_attribute(ldap_struct, entry,
3760 LDAP_ATTRIBUTE_SID,
3761 sid_str,
3762 sizeof(sid_str)-1))
3763 continue;
3764
3765 if (!string_to_sid(&sid, sid_str))
3766 continue;
3767
3768 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3769 continue;
3770
3771 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3772 p_num_alias_rids)) {
3773 ldap_msgfree(result);
3774 return NT_STATUS_NO_MEMORY;
3775 }
3776 }
3777
3778 ldap_msgfree(result);
3779 return NT_STATUS_OK;
3780 }
3781
3782 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3783 int policy_index,
3784 uint32 value)
3785 {
3786 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3787 int rc;
3788 LDAPMod **mods = NULL;
3789 fstring value_string;
3790 const char *policy_attr = NULL;
3791
3792 struct ldapsam_privates *ldap_state =
3793 (struct ldapsam_privates *)methods->private_data;
3794
3795 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3796
3797 if (!ldap_state->domain_dn) {
3798 return NT_STATUS_INVALID_PARAMETER;
3799 }
3800
3801 policy_attr = get_account_policy_attr(policy_index);
3802 if (policy_attr == NULL) {
3803 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3804 "policy\n"));
3805 return ntstatus;
3806 }
3807
3808 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3809
3810 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3811
3812 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3813 mods);
3814
3815 ldap_mods_free(mods, True);
3816
3817 if (rc != LDAP_SUCCESS) {
3818 return ntstatus;
3819 }
3820
3821 if (!cache_account_policy_set(policy_index, value)) {
3822 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3823 "update local tdb cache\n"));
3824 return ntstatus;
3825 }
3826
3827 return NT_STATUS_OK;
3828 }
3829
3830 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3831 int policy_index, uint32 value)
3832 {
3833 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3834 value);
3835 }
3836
3837 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3838 int policy_index,
3839 uint32 *value)
3840 {
3841 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3842 LDAPMessage *result = NULL;
3843 LDAPMessage *entry = NULL;
3844 int count;
3845 int rc;
3846 char **vals = NULL;
3847 const char *policy_attr = NULL;
3848
3849 struct ldapsam_privates *ldap_state =
3850 (struct ldapsam_privates *)methods->private_data;
3851
3852 const char *attrs[2];
3853
3854 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3855
3856 if (!ldap_state->domain_dn) {
3857 return NT_STATUS_INVALID_PARAMETER;
3858 }
3859
3860 policy_attr = get_account_policy_attr(policy_index);
3861 if (!policy_attr) {
3862 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3863 "policy index: %d\n", policy_index));
3864 return ntstatus;
3865 }
3866
3867 attrs[0] = policy_attr;
3868 attrs[1] = NULL;
3869
3870 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3871 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3872 &result);
3873
3874 if (rc != LDAP_SUCCESS) {
3875 return ntstatus;
3876 }
3877
3878 count = ldap_count_entries(priv2ld(ldap_state), result);
3879 if (count < 1) {
3880 goto out;
3881 }
3882
3883 entry = ldap_first_entry(priv2ld(ldap_state), result);
3884 if (entry == NULL) {
3885 goto out;
3886 }
3887
3888 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3889 if (vals == NULL) {
3890 goto out;
3891 }
3892
3893 *value = (uint32)atol(vals[0]);
3894
3895 ntstatus = NT_STATUS_OK;
3896
3897 out:
3898 if (vals)
3899 ldap_value_free(vals);
3900 ldap_msgfree(result);
3901
3902 return ntstatus;
3903 }
3904
3905 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3906
3907 - if user hasn't decided to use account policies inside LDAP just reuse the
3908 old tdb values
3909
3910 - if there is a valid cache entry, return that
3911 - if there is an LDAP entry, update cache and return
3912 - otherwise set to default, update cache and return
3913
3914 Guenther
3915 */
3916 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3917 int policy_index, uint32 *value)
3918 {
3919 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3920
3921 if (cache_account_policy_get(policy_index, value)) {
3922 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3923 "cache\n"));
3924 return NT_STATUS_OK;
3925 }
3926
3927 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3928 value);
3929 if (NT_STATUS_IS_OK(ntstatus)) {
3930 goto update_cache;
3931 }
3932
3933 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3934 "ldap\n"));
3935
3936 #if 0
3937 /* should we automagically migrate old tdb value here ? */
3938 if (account_policy_get(policy_index, value))
3939 goto update_ldap;
3940
3941 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3942 "default\n", policy_index));
3943 #endif
3944
3945 if (!account_policy_get_default(policy_index, value)) {
3946 return ntstatus;
3947 }
3948
3949 /* update_ldap: */
3950
3951 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3952 if (!NT_STATUS_IS_OK(ntstatus)) {
3953 return ntstatus;
3954 }
3955
3956 update_cache:
3957
3958 if (!cache_account_policy_set(policy_index, *value)) {
3959 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3960 "tdb as a cache\n"));
3961 return NT_STATUS_UNSUCCESSFUL;
3962 }
3963
3964 return NT_STATUS_OK;
3965 }
3966
3967 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3968 const DOM_SID *domain_sid,
3969 int num_rids,
3970 uint32 *rids,
3971 const char **names,
3972 enum lsa_SidType *attrs)
3973 {
3974 struct ldapsam_privates *ldap_state =
3975 (struct ldapsam_privates *)methods->private_data;
3976 LDAPMessage *msg = NULL;
3977 LDAPMessage *entry;
3978 char *allsids = NULL;
3979 int i, rc, num_mapped;
3980 NTSTATUS result = NT_STATUS_NO_MEMORY;
3981 TALLOC_CTX *mem_ctx;
3982 LDAP *ld;
3983 bool is_builtin;
3984
3985 mem_ctx = talloc_new(NULL);
3986 if (mem_ctx == NULL) {
3987 DEBUG(0, ("talloc_new failed\n"));
3988 goto done;
3989 }
3990
3991 if (!sid_check_is_builtin(domain_sid) &&
3992 !sid_check_is_domain(domain_sid)) {
3993 result = NT_STATUS_INVALID_PARAMETER;
3994 goto done;
3995 }
3996
3997 for (i=0; i<num_rids; i++)
3998 attrs[i] = SID_NAME_UNKNOWN;
3999
4000 allsids = talloc_strdup(mem_ctx, "");
4001 if (allsids == NULL) {
4002 goto done;
4003 }
4004
4005 for (i=0; i<num_rids; i++) {
4006 DOM_SID sid;
4007 sid_compose(&sid, domain_sid, rids[i]);
4008 allsids = talloc_asprintf_append_buffer(
4009 allsids, "(sambaSid=%s)",
4010 sid_string_talloc(mem_ctx, &sid));
4011 if (allsids == NULL) {
4012 goto done;
4013 }
4014 }
4015
4016 /* First look for users */
4017
4018 {
4019 char *filter;
4020 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4021
4022 filter = talloc_asprintf(
4023 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4024 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4025
4026 if (filter == NULL) {
4027 goto done;
4028 }
4029
4030 rc = smbldap_search(ldap_state->smbldap_state,
4031 lp_ldap_user_suffix(),
4032 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4033 &msg);
4034 talloc_autofree_ldapmsg(mem_ctx, msg);
4035 }
4036
4037 if (rc != LDAP_SUCCESS)
4038 goto done;
4039
4040 ld = ldap_state->smbldap_state->ldap_struct;
4041 num_mapped = 0;
4042
4043 for (entry = ldap_first_entry(ld, msg);
4044 entry != NULL;
4045 entry = ldap_next_entry(ld, entry)) {
4046 uint32 rid;
4047 int rid_index;
4048 const char *name;
4049
4050 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4051 &rid)) {
4052 DEBUG(2, ("Could not find sid from ldap entry\n"));
4053 continue;
4054 }
4055
4056 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4057 names);
4058 if (name == NULL) {
4059 DEBUG(2, ("Could not retrieve uid attribute\n"));
4060 continue;
4061 }
4062
4063 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4064 if (rid == rids[rid_index])
4065 break;
4066 }
4067
4068 if (rid_index == num_rids) {
4069 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4070 continue;
4071 }
4072
4073 attrs[rid_index] = SID_NAME_USER;
4074 names[rid_index] = name;
4075 num_mapped += 1;
4076 }
4077
4078 if (num_mapped == num_rids) {
4079 /* No need to look for groups anymore -- we're done */
4080 result = NT_STATUS_OK;
4081 goto done;
4082 }
4083
4084 /* Same game for groups */
4085
4086 {
4087 char *filter;
4088 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4089 "sambaGroupType", NULL };
4090
4091 filter = talloc_asprintf(
4092 mem_ctx, "(&(objectClass=%s)(|%s))",
4093 LDAP_OBJ_GROUPMAP, allsids);
4094 if (filter == NULL) {
4095 goto done;
4096 }
4097
4098 rc = smbldap_search(ldap_state->smbldap_state,
4099 lp_ldap_suffix(),
4100 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4101 &msg);
4102 talloc_autofree_ldapmsg(mem_ctx, msg);
4103 }
4104
4105 if (rc != LDAP_SUCCESS)
4106 goto done;
4107
4108 /* ldap_struct might have changed due to a reconnect */
4109
4110 ld = ldap_state->smbldap_state->ldap_struct;
4111
4112 /* For consistency checks, we already checked we're only domain or builtin */
4113
4114 is_builtin = sid_check_is_builtin(domain_sid);
4115
4116 for (entry = ldap_first_entry(ld, msg);
4117 entry != NULL;
4118 entry = ldap_next_entry(ld, entry))
4119 {
4120 uint32 rid;
4121 int rid_index;
4122 const char *attr;
4123 enum lsa_SidType type;
4124 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4125
4126 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4127 mem_ctx);
4128 if (attr == NULL) {
4129 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4130 dn));
4131 continue;
4132 }
4133
4134 type = (enum lsa_SidType)atol(attr);
4135
4136 /* Consistency checks */
4137 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4138 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4139 (type != SID_NAME_DOM_GRP)))) {
4140 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4141 }
4142
4143 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4144 &rid)) {
4145 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4146 continue;
4147 }
4148
4149 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4150
4151 if (attr == NULL) {
4152 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4153 dn));
4154 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4155 }
4156
4157 if (attr == NULL) {
4158 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4159 dn));
4160 continue;
4161 }
4162
4163 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4164 if (rid == rids[rid_index])
4165 break;
4166 }
4167
4168 if (rid_index == num_rids) {
4169 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4170 continue;
4171 }
4172
4173 attrs[rid_index] = type;
4174 names[rid_index] = attr;
4175 num_mapped += 1;
4176 }
4177
4178 result = NT_STATUS_NONE_MAPPED;
4179
4180 if (num_mapped > 0)
4181 result = (num_mapped == num_rids) ?
4182 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4183 done:
4184 TALLOC_FREE(mem_ctx);
4185 return result;
4186 }
4187
4188 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4189 {
4190 char *filter = NULL;
4191 char *escaped = NULL;
4192 char *result = NULL;
4193
4194 if (asprintf(&filter, "(&%s(objectclass=%s))",
4195 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4196 goto done;
4197 }
4198
4199 escaped = escape_ldap_string_alloc(username);
4200 if (escaped == NULL) goto done;
4201
4202 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4203
4204 done:
4205 SAFE_FREE(filter);
4206 SAFE_FREE(escaped);
4207
4208 return result;
4209 }
4210
4211 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4212 {
4213 int i, num = 0;
4214 va_list ap;
4215 const char **result;
4216
4217 va_start(ap, mem_ctx);
4218 while (va_arg(ap, const char *) != NULL)
4219 num += 1;
4220 va_end(ap);
4221
4222 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4223 return NULL;
4224 }
4225
4226 va_start(ap, mem_ctx);
4227 for (i=0; i<num; i++) {
4228 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4229 if (result[i] == NULL) {
4230 talloc_free(result);
4231 va_end(ap);
4232 return NULL;
4233 }
4234 }
4235 va_end(ap);
4236
4237 result[num] = NULL;
4238 return result;
4239 }
4240
4241 struct ldap_search_state {
4242 struct smbldap_state *connection;
4243
4244 uint32 acct_flags;
4245 uint16 group_type;
4246
4247 const char *base;
4248 int scope;
4249 const char *filter;
4250 const char **attrs;
4251 int attrsonly;
4252 void *pagedresults_cookie;
4253
4254 LDAPMessage *entries, *current_entry;
4255 bool (*ldap2displayentry)(struct ldap_search_state *state,
4256 TALLOC_CTX *mem_ctx,
4257 LDAP *ld, LDAPMessage *entry,
4258 struct samr_displayentry *result);
4259 };
4260
4261 static bool ldapsam_search_firstpage(struct pdb_search *search)
4262 {
4263 struct ldap_search_state *state =
4264 (struct ldap_search_state *)search->private_data;
4265 LDAP *ld;
4266 int rc = LDAP_OPERATIONS_ERROR;
4267
4268 state->entries = NULL;
4269
4270 if (state->connection->paged_results) {
4271 rc = smbldap_search_paged(state->connection, state->base,
4272 state->scope, state->filter,
4273 state->attrs, state->attrsonly,
4274 lp_ldap_page_size(), &state->entries,
4275 &state->pagedresults_cookie);
4276 }
4277
4278 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4279
4280 if (state->entries != NULL) {
4281 /* Left over from unsuccessful paged attempt */
4282 ldap_msgfree(state->entries);
4283 state->entries = NULL;
4284 }
4285
4286 rc = smbldap_search(state->connection, state->base,
4287 state->scope, state->filter, state->attrs,
4288 state->attrsonly, &state->entries);
4289
4290 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4291 return False;
4292
4293 /* Ok, the server was lying. It told us it could do paged
4294 * searches when it could not. */
4295 state->connection->paged_results = False;
4296 }
4297
4298 ld = state->connection->ldap_struct;
4299 if ( ld == NULL) {
4300 DEBUG(5, ("Don't have an LDAP connection right after a "
4301 "search\n"));
4302 return False;
4303 }
4304 state->current_entry = ldap_first_entry(ld, state->entries);
4305
4306 if (state->current_entry == NULL) {
4307 ldap_msgfree(state->entries);
4308 state->entries = NULL;
4309 }
4310
4311 return True;
4312 }
4313
4314 static bool ldapsam_search_nextpage(struct pdb_search *search)
4315 {
4316 struct ldap_search_state *state =
4317 (struct ldap_search_state *)search->private_data;
4318 int rc;
4319
4320 if (!state->connection->paged_results) {
4321 /* There is no next page when there are no paged results */
4322 return False;
4323 }
4324
4325 rc = smbldap_search_paged(state->connection, state->base,
4326 state->scope, state->filter, state->attrs,
4327 state->attrsonly, lp_ldap_page_size(),
4328 &state->entries,
4329 &state->pagedresults_cookie);
4330
4331 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4332 return False;
4333
4334 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4335
4336 if (state->current_entry == NULL) {
4337 ldap_msgfree(state->entries);
4338 state->entries = NULL;
4339 return false;
4340 }
4341
4342 return True;
4343 }
4344
4345 static bool ldapsam_search_next_entry(struct pdb_search *search,
4346 struct samr_displayentry *entry)
4347 {
4348 struct ldap_search_state *state =
4349 (struct ldap_search_state *)search->private_data;
4350 bool result;
4351
4352 retry:
4353 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4354 return False;
4355
4356 if ((state->entries == NULL) &&
4357 !ldapsam_search_nextpage(search))
4358 return False;
4359
4360 result = state->ldap2displayentry(state, search,
4361 state->connection->ldap_struct,
4362 state->current_entry, entry);
4363
4364 if (!result) {
4365 char *dn;
4366 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4367 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4368 if (dn != NULL) ldap_memfree(dn);
4369 }
4370
4371 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4372
4373 if (state->current_entry == NULL) {
4374 ldap_msgfree(state->entries);
4375 state->entries = NULL;
4376 }
4377
4378 if (!result) goto retry;
4379
4380 return True;
4381 }
4382
4383 static void ldapsam_search_end(struct pdb_search *search)
4384 {
4385 struct ldap_search_state *state =
4386 (struct ldap_search_state *)search->private_data;
4387 int rc;
4388
4389 if (state->pagedresults_cookie == NULL)
4390 return;
4391
4392 if (state->entries != NULL)
4393 ldap_msgfree(state->entries);
4394
4395 state->entries = NULL;
4396 state->current_entry = NULL;
4397
4398 if (!state->connection->paged_results)
4399 return;
4400
4401 /* Tell the LDAP server we're not interested in the rest anymore. */
4402
4403 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4404 state->filter, state->attrs,
4405 state->attrsonly, 0, &state->entries,
4406 &state->pagedresults_cookie);
4407
4408 if (rc != LDAP_SUCCESS)
4409 DEBUG(5, ("Could not end search properly\n"));
4410
4411 return;
4412 }
4413
4414 static bool ldapuser2displayentry(struct ldap_search_state *state,
4415 TALLOC_CTX *mem_ctx,
4416 LDAP *ld, LDAPMessage *entry,
4417 struct samr_displayentry *result)
4418 {
4419 char **vals;
4420 size_t converted_size;
4421 DOM_SID sid;
4422 uint32 acct_flags;
4423
4424 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4425 if ((vals == NULL) || (vals[0] == NULL)) {
4426 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4427 return False;
4428 }
4429 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4430 ldap_value_free(vals);
4431
4432 if ((state->acct_flags != 0) &&
4433 ((state->acct_flags & acct_flags) == 0))
4434 return False;
4435
4436 result->acct_flags = acct_flags;
4437 result->account_name = "";
4438 result->fullname = "";
4439 result->description = "";
4440
4441 vals = ldap_get_values(ld, entry, "uid");
4442 if ((vals == NULL) || (vals[0] == NULL)) {
4443 DEBUG(5, ("\"uid\" not found\n"));
4444 return False;
4445 }
4446 if (!pull_utf8_talloc(mem_ctx,
4447 CONST_DISCARD(char **, &result->account_name),
4448 vals[0], &converted_size))
4449 {
4450 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4451 strerror(errno)));
4452 }
4453
4454 ldap_value_free(vals);
4455
4456 vals = ldap_get_values(ld, entry, "displayName");
4457 if ((vals == NULL) || (vals[0] == NULL))
4458 DEBUG(8, ("\"displayName\" not found\n"));
4459 else if (!pull_utf8_talloc(mem_ctx,
4460 CONST_DISCARD(char **, &result->fullname),
4461 vals[0], &converted_size))
4462 {
4463 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4464 strerror(errno)));
4465 }
4466
4467 ldap_value_free(vals);
4468
4469 vals = ldap_get_values(ld, entry, "description");
4470 if ((vals == NULL) || (vals[0] == NULL))
4471 DEBUG(8, ("\"description\" not found\n"));
4472 else if (!pull_utf8_talloc(mem_ctx,
4473 CONST_DISCARD(char **, &result->description),
4474 vals[0], &converted_size))
4475 {
4476 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4477 strerror(errno)));
4478 }
4479
4480 ldap_value_free(vals);
4481
4482 if ((result->account_name == NULL) ||
4483 (result->fullname == NULL) ||
4484 (result->description == NULL)) {
4485 DEBUG(0, ("talloc failed\n"));
4486 return False;
4487 }
4488
4489 vals = ldap_get_values(ld, entry, "sambaSid");
4490 if ((vals == NULL) || (vals[0] == NULL)) {
4491 DEBUG(0, ("\"objectSid\" not found\n"));
4492 return False;
4493 }
4494
4495 if (!string_to_sid(&sid, vals[0])) {
4496 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4497 ldap_value_free(vals);
4498 return False;
4499 }
4500 ldap_value_free(vals);
4501
4502 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4503 DEBUG(0, ("sid %s does not belong to our domain\n",
4504 sid_string_dbg(&sid)));
4505 return False;
4506 }
4507
4508 return True;
4509 }
4510
4511
4512 static bool ldapsam_search_users(struct pdb_methods *methods,
4513 struct pdb_search *search,
4514 uint32 acct_flags)
4515 {
4516 struct ldapsam_privates *ldap_state =
4517 (struct ldapsam_privates *)methods->private_data;
4518 struct ldap_search_state *state;
4519
4520 state = talloc(search, struct ldap_search_state);
4521 if (state == NULL) {
4522 DEBUG(0, ("talloc failed\n"));
4523 return False;
4524 }
4525
4526 state->connection = ldap_state->smbldap_state;
4527
4528 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4529 state->base = lp_ldap_user_suffix();
4530 else if ((acct_flags != 0) &&
4531 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4532 state->base = lp_ldap_machine_suffix();
4533 else
4534 state->base = lp_ldap_suffix();
4535
4536 state->acct_flags = acct_flags;
4537 state->base = talloc_strdup(search, state->base);
4538 state->scope = LDAP_SCOPE_SUBTREE;
4539 state->filter = get_ldap_filter(search, "*");
4540 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4541 "displayName", "description",
4542 "sambaAcctFlags", NULL);
4543 state->attrsonly = 0;
4544 state->pagedresults_cookie = NULL;
4545 state->entries = NULL;
4546 state->ldap2displayentry = ldapuser2displayentry;
4547
4548 if ((state->filter == NULL) || (state->attrs == NULL)) {
4549 DEBUG(0, ("talloc failed\n"));
4550 return False;
4551 }
4552
4553 search->private_data = state;
4554 search->next_entry = ldapsam_search_next_entry;
4555 search->search_end = ldapsam_search_end;
4556
4557 return ldapsam_search_firstpage(search);
4558 }
4559
4560 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4561 TALLOC_CTX *mem_ctx,
4562 LDAP *ld, LDAPMessage *entry,
4563 struct samr_displayentry *result)
4564 {
4565 char **vals;
4566 size_t converted_size;
4567 DOM_SID sid;
4568 uint16 group_type;
4569
4570 result->account_name = "";
4571 result->fullname = "";
4572 result->description = "";
4573
4574
4575 vals = ldap_get_values(ld, entry, "sambaGroupType");
4576 if ((vals == NULL) || (vals[0] == NULL)) {
4577 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4578 if (vals != NULL) {
4579 ldap_value_free(vals);
4580 }
4581 return False;
4582 }
4583
4584 group_type = atoi(vals[0]);
4585
4586 if ((state->group_type != 0) &&
4587 ((state->group_type != group_type))) {
4588 ldap_value_free(vals);
4589 return False;
4590 }
4591
4592 ldap_value_free(vals);
4593
4594 /* display name is the NT group name */
4595
4596 vals = ldap_get_values(ld, entry, "displayName");
4597 if ((vals == NULL) || (vals[0] == NULL)) {
4598 DEBUG(8, ("\"displayName\" not found\n"));
4599
4600 /* fallback to the 'cn' attribute */
4601 vals = ldap_get_values(ld, entry, "cn");
4602 if ((vals == NULL) || (vals[0] == NULL)) {
4603 DEBUG(5, ("\"cn\" not found\n"));
4604 return False;
4605 }
4606 if (!pull_utf8_talloc(mem_ctx,
4607 CONST_DISCARD(char **,
4608 &result->account_name),
4609 vals[0], &converted_size))
4610 {
4611 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4612 "failed: %s", strerror(errno)));
4613 }
4614 }
4615 else if (!pull_utf8_talloc(mem_ctx,
4616 CONST_DISCARD(char **,
4617 &result->account_name),
4618 vals[0], &converted_size))
4619 {
4620 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4621 strerror(errno)));
4622 }
4623
4624 ldap_value_free(vals);
4625
4626 vals = ldap_get_values(ld, entry, "description");
4627 if ((vals == NULL) || (vals[0] == NULL))
4628 DEBUG(8, ("\"description\" not found\n"));
4629 else if (!pull_utf8_talloc(mem_ctx,
4630 CONST_DISCARD(char **, &result->description),
4631 vals[0], &converted_size))
4632 {
4633 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4634 strerror(errno)));
4635 }
4636 ldap_value_free(vals);
4637
4638 if ((result->account_name == NULL) ||
4639 (result->fullname == NULL) ||
4640 (result->description == NULL)) {
4641 DEBUG(0, ("talloc failed\n"));
4642 return False;
4643 }
4644
4645 vals = ldap_get_values(ld, entry, "sambaSid");
4646 if ((vals == NULL) || (vals[0] == NULL)) {
4647 DEBUG(0, ("\"objectSid\" not found\n"));
4648 if (vals != NULL) {
4649 ldap_value_free(vals);
4650 }
4651 return False;
4652 }
4653
4654 if (!string_to_sid(&sid, vals[0])) {
4655 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4656 return False;
4657 }
4658
4659 ldap_value_free(vals);
4660
4661 switch (group_type) {
4662 case SID_NAME_DOM_GRP:
4663 case SID_NAME_ALIAS:
4664
4665 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4666 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4667 {
4668 DEBUG(0, ("%s is not in our domain\n",
4669 sid_string_dbg(&sid)));
4670 return False;
4671 }
4672 break;
4673
4674 default:
4675 DEBUG(0,("unkown group type: %d\n", group_type));
4676 return False;
4677 }
4678
4679 result->acct_flags = 0;
4680
4681 return True;
4682 }
4683
4684 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4685 struct pdb_search *search,
4686 const DOM_SID *sid,
4687 enum lsa_SidType type)
4688 {
4689 struct ldapsam_privates *ldap_state =
4690 (struct ldapsam_privates *)methods->private_data;
4691 struct ldap_search_state *state;
4692 fstring tmp;
4693
4694 state = talloc(search, struct ldap_search_state);
4695 if (state == NULL) {
4696 DEBUG(0, ("talloc failed\n"));
4697 return False;
4698 }
4699
4700 state->connection = ldap_state->smbldap_state;
4701
4702 state->base = talloc_strdup(search, lp_ldap_suffix());
4703 state->connection = ldap_state->smbldap_state;
4704 state->scope = LDAP_SCOPE_SUBTREE;
4705 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4706 "(sambaGroupType=%d)(sambaSID=%s*))",
4707 LDAP_OBJ_GROUPMAP,
4708 type, sid_to_fstring(tmp, sid));
4709 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4710 "displayName", "description",
4711 "sambaGroupType", NULL);
4712 state->attrsonly = 0;
4713 state->pagedresults_cookie = NULL;
4714 state->entries = NULL;
4715 state->group_type = type;
4716 state->ldap2displayentry = ldapgroup2displayentry;
4717
4718 if ((state->filter == NULL) || (state->attrs == NULL)) {
4719 DEBUG(0, ("talloc failed\n"));
4720 return False;
4721 }
4722
4723 search->private_data = state;
4724 search->next_entry = ldapsam_search_next_entry;
4725 search->search_end = ldapsam_search_end;
4726
4727 return ldapsam_search_firstpage(search);
4728 }
4729
4730 static bool ldapsam_search_groups(struct pdb_methods *methods,
4731 struct pdb_search *search)
4732 {
4733 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4734 }
4735
4736 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4737 struct pdb_search *search,
4738 const DOM_SID *sid)
4739 {
4740 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4741 }
4742
4743 static bool ldapsam_rid_algorithm(struct pdb_methods *methods)
4744 {
4745 return False;
4746 }
4747
4748 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4749 uint32 *rid)
4750 {
4751 struct smbldap_state *smbldap_state = priv->smbldap_state;
4752
4753 LDAPMessage *result = NULL;
4754 LDAPMessage *entry = NULL;
4755 LDAPMod **mods = NULL;
4756 NTSTATUS status;
4757 char *value;
4758 int rc;
4759 uint32 nextRid = 0;
4760 const char *dn;
4761
4762 TALLOC_CTX *mem_ctx;
4763
4764 mem_ctx = talloc_new(NULL);
4765 if (mem_ctx == NULL) {
4766 DEBUG(0, ("talloc_new failed\n"));
4767 return NT_STATUS_NO_MEMORY;
4768 }
4769
4770 status = smbldap_search_domain_info(smbldap_state, &result,
4771 get_global_sam_name(), False);
4772 if (!NT_STATUS_IS_OK(status)) {
4773 DEBUG(3, ("Could not get domain info: %s\n",
4774 nt_errstr(status)));
4775 goto done;
4776 }
4777
4778 talloc_autofree_ldapmsg(mem_ctx, result);
4779
4780 entry = ldap_first_entry(priv2ld(priv), result);
4781 if (entry == NULL) {
4782 DEBUG(0, ("Could not get domain info entry\n"));
4783 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4784 goto done;
4785 }
4786
4787 /* Find the largest of the three attributes "sambaNextRid",
4788 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4789 concept of differentiating between user and group rids, and will
4790 use only "sambaNextRid" in the future. But for compatibility
4791 reasons I look if others have chosen different strategies -- VL */
4792
4793 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4794 "sambaNextRid", mem_ctx);
4795 if (value != NULL) {
4796 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4797 nextRid = MAX(nextRid, tmp);
4798 }
4799
4800 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4801 "sambaNextUserRid", mem_ctx);
4802 if (value != NULL) {
4803 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4804 nextRid = MAX(nextRid, tmp);
4805 }
4806
4807 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4808 "sambaNextGroupRid", mem_ctx);
4809 if (value != NULL) {
4810 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4811 nextRid = MAX(nextRid, tmp);
4812 }
4813
4814 if (nextRid == 0) {
4815 nextRid = BASE_RID-1;
4816 }
4817
4818 nextRid += 1;
4819
4820 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4821 talloc_asprintf(mem_ctx, "%d", nextRid));
4822 talloc_autofree_ldapmod(mem_ctx, mods);
4823
4824 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4825 status = NT_STATUS_NO_MEMORY;
4826 goto done;
4827 }
4828
4829 rc = smbldap_modify(smbldap_state, dn, mods);
4830
4831 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4832 * please retry" */
4833
4834 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4835
4836 done:
4837 if (NT_STATUS_IS_OK(status)) {
4838 *rid = nextRid;
4839 }
4840
4841 TALLOC_FREE(mem_ctx);
4842 return status;
4843 }
4844
4845 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4846 {
4847 int i;
4848
4849 for (i=0; i<10; i++) {
4850 NTSTATUS result = ldapsam_get_new_rid(
4851 (struct ldapsam_privates *)methods->private_data, rid);
4852 if (NT_STATUS_IS_OK(result)) {
4853 return result;
4854 }
4855
4856 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4857 return result;
4858 }
4859
4860 /* The ldap update failed (maybe a race condition), retry */
4861 }
4862
4863 /* Tried 10 times, fail. */
4864 return NT_STATUS_ACCESS_DENIED;
4865 }
4866
4867 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4868 {
4869 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4870 return NT_STATUS_IS_OK(result) ? True : False;
4871 }
4872
4873 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4874 const DOM_SID *sid,
4875 union unid_t *id, enum lsa_SidType *type)
4876 {
4877 struct ldapsam_privates *priv =
4878 (struct ldapsam_privates *)methods->private_data;
4879 char *filter;
4880 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4881 NULL };
4882 LDAPMessage *result = NULL;
4883 LDAPMessage *entry = NULL;
4884 bool ret = False;
4885 char *value;
4886 int rc;
4887
4888 TALLOC_CTX *mem_ctx;
4889
4890 mem_ctx = talloc_new(NULL);
4891 if (mem_ctx == NULL) {
4892 DEBUG(0, ("talloc_new failed\n"));
4893 return False;
4894 }
4895
4896 filter = talloc_asprintf(mem_ctx,
4897 "(&(sambaSid=%s)"
4898 "(|(objectClass=%s)(objectClass=%s)))",
4899 sid_string_talloc(mem_ctx, sid),
4900 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4901 if (filter == NULL) {
4902 DEBUG(5, ("talloc_asprintf failed\n"));
4903 goto done;
4904 }
4905
4906 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4907 attrs, &result);
4908 if (rc != LDAP_SUCCESS) {
4909 goto done;
4910 }
4911 talloc_autofree_ldapmsg(mem_ctx, result);
4912
4913 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4914 DEBUG(10, ("Got %d entries, expected one\n",
4915 ldap_count_entries(priv2ld(priv), result)));
4916 goto done;
4917 }
4918
4919 entry = ldap_first_entry(priv2ld(priv), result);
4920
4921 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4922 "sambaGroupType", mem_ctx);
4923
4924 if (value != NULL) {
4925 const char *gid_str;
4926 /* It's a group */
4927
4928 gid_str = smbldap_talloc_single_attribute(
4929 priv2ld(priv), entry, "gidNumber", mem_ctx);
4930 if (gid_str == NULL) {
4931 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4932 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4933 entry)));
4934 goto done;
4935 }
4936
4937 id->gid = strtoul(gid_str, NULL, 10);
4938 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4939 ret = True;
4940 goto done;
4941 }
4942
4943 /* It must be a user */
4944
4945 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4946 "uidNumber", mem_ctx);
4947 if (value == NULL) {
4948 DEBUG(1, ("Could not find uidNumber in %s\n",
4949 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4950 goto done;
4951 }
4952
4953 id->uid = strtoul(value, NULL, 10);
4954 *type = SID_NAME_USER;
4955
4956 ret = True;
4957 done:
4958 TALLOC_FREE(mem_ctx);
4959 return ret;
4960 }
4961
4962 /*
4963 * The following functions is called only if
4964 * ldapsam:trusted and ldapsam:editposix are
4965 * set to true
4966 */
4967
4968 /*
4969 * ldapsam_create_user creates a new
4970 * posixAccount and sambaSamAccount object
4971 * in the ldap users subtree
4972 *
4973 * The uid is allocated by winbindd.
4974 */
4975
4976 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4977 TALLOC_CTX *tmp_ctx, const char *name,
4978 uint32 acb_info, uint32 *rid)
4979 {
4980 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4981 LDAPMessage *entry = NULL;
4982 LDAPMessage *result = NULL;
4983 uint32 num_result;
4984 bool is_machine = False;
4985 bool add_posix = False;
4986 LDAPMod **mods = NULL;
4987 struct samu *user;
4988 char *filter;
4989 char *username;
4990 char *homedir;
4991 char *gidstr;
4992 char *uidstr;
4993 char *shell;
4994 const char *dn = NULL;
4995 DOM_SID group_sid;
4996 DOM_SID user_sid;
4997 gid_t gid = -1;
4998 uid_t uid = -1;
4999 NTSTATUS ret;
5000 int rc;
5001
5002 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5003 acb_info & ACB_WSTRUST ||
5004 acb_info & ACB_SVRTRUST ||
5005 acb_info & ACB_DOMTRUST) {
5006 is_machine = True;
5007 }
5008
5009 username = escape_ldap_string_alloc(name);
5010 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5011 username, LDAP_OBJ_POSIXACCOUNT);
5012 SAFE_FREE(username);
5013
5014 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5015 if (rc != LDAP_SUCCESS) {
5016 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5017 return NT_STATUS_ACCESS_DENIED;
5018 }
5019 talloc_autofree_ldapmsg(tmp_ctx, result);
5020
5021 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5022
5023 if (num_result > 1) {
5024 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5025 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5026 }
5027
5028 if (num_result == 1) {
5029 char *tmp;
5030 /* check if it is just a posix account.
5031 * or if there is a sid attached to this entry
5032 */
5033
5034 entry = ldap_first_entry(priv2ld(ldap_state), result);
5035 if (!entry) {
5036 return NT_STATUS_UNSUCCESSFUL;
5037 }
5038
5039 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5040 if (tmp) {
5041 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5042 return NT_STATUS_USER_EXISTS;
5043 }
5044
5045 /* it is just a posix account, retrieve the dn for later use */
5046 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5047 if (!dn) {
5048 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5049 return NT_STATUS_NO_MEMORY;
5050 }
5051 }
5052
5053 if (num_result == 0) {
5054 add_posix = True;
5055 }
5056
5057 /* Create the basic samu structure and generate the mods for the ldap commit */
5058 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5059 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5060 return ret;
5061 }
5062
5063 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5064
5065 user = samu_new(tmp_ctx);
5066 if (!user) {
5067 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5068 return NT_STATUS_NO_MEMORY;
5069 }
5070
5071 if (!pdb_set_username(user, name, PDB_SET)) {
5072 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5073 return NT_STATUS_UNSUCCESSFUL;
5074 }
5075 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5076 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5077 return NT_STATUS_UNSUCCESSFUL;
5078 }
5079 if (is_machine) {
5080 if (acb_info & ACB_NORMAL) {
5081 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5082 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5083 return NT_STATUS_UNSUCCESSFUL;
5084 }
5085 } else {
5086 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5087 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5088 return NT_STATUS_UNSUCCESSFUL;
5089 }
5090 }
5091 } else {
5092 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5093 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5094 return NT_STATUS_UNSUCCESSFUL;
5095 }
5096 }
5097
5098 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5099 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5100 return NT_STATUS_UNSUCCESSFUL;
5101 }
5102
5103 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5104 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5105 return NT_STATUS_UNSUCCESSFUL;
5106 }
5107
5108 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5109 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5110 }
5111 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5112
5113 if (add_posix) {
5114 char *escape_name;
5115
5116 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5117
5118 /* retrieve the Domain Users group gid */
5119 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5120 !sid_to_gid(&group_sid, &gid)) {
5121 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5122 return NT_STATUS_INVALID_PRIMARY_GROUP;
5123 }
5124
5125 /* lets allocate a new userid for this user */
5126 if (!winbind_allocate_uid(&uid)) {
5127 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5128 return NT_STATUS_UNSUCCESSFUL;
5129 }
5130
5131
5132 if (is_machine) {
5133 /* TODO: choose a more appropriate default for machines */
5134 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5135 shell = talloc_strdup(tmp_ctx, "/bin/false");
5136 } else {
5137 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5138 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5139 }
5140 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5141 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5142
5143 escape_name = escape_rdn_val_string_alloc(name);
5144 if (!escape_name) {
5145 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5146 return NT_STATUS_NO_MEMORY;
5147 }
5148
5149 if (is_machine) {
5150 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5151 } else {
5152 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5153 }
5154
5155 SAFE_FREE(escape_name);
5156
5157 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5158 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5159 return NT_STATUS_NO_MEMORY;
5160 }
5161
5162 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5163 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5164 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5165 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5166 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5167 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5168 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5169 }
5170
5171 talloc_autofree_ldapmod(tmp_ctx, mods);
5172
5173 if (add_posix) {
5174 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5175 } else {
5176 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5177 }
5178
5179 if (rc != LDAP_SUCCESS) {
5180 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5181 return NT_STATUS_UNSUCCESSFUL;
5182 }
5183
5184 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5185
5186 flush_pwnam_cache();
5187
5188 return NT_STATUS_OK;
5189 }
5190
5191 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5192 TALLOC_CTX *tmp_ctx,
5193 uint32 group_rid,
5194 uint32 member_rid);
5195
5196 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
5197 TALLOC_CTX *mem_ctx,
5198 struct samu *user,
5199 DOM_SID **pp_sids,
5200 gid_t **pp_gids,
5201 size_t *p_num_groups);
5202
5203 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5204 {
5205 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5206 LDAPMessage *result = NULL;
5207 LDAPMessage *entry = NULL;
5208 int num_result;
5209 const char *dn;
5210 char *filter;
5211 int rc;
5212
5213 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5214
5215 filter = talloc_asprintf(tmp_ctx,
5216 "(&(uid=%s)"
5217 "(objectClass=%s)"
5218 "(objectClass=%s))",
5219 pdb_get_username(sam_acct),
5220 LDAP_OBJ_POSIXACCOUNT,
5221 LDAP_OBJ_SAMBASAMACCOUNT);
5222 if (filter == NULL) {
5223 return NT_STATUS_NO_MEMORY;
5224 }
5225
5226 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5227 if (rc != LDAP_SUCCESS) {
5228 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5229 return NT_STATUS_UNSUCCESSFUL;
5230 }
5231 talloc_autofree_ldapmsg(tmp_ctx, result);
5232
5233 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5234
5235 if (num_result == 0) {
5236 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5237 return NT_STATUS_NO_SUCH_USER;
5238 }
5239
5240 if (num_result > 1) {
5241 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5242 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5243 }
5244
5245 entry = ldap_first_entry(priv2ld(ldap_state), result);
5246 if (!entry) {
5247 return NT_STATUS_UNSUCCESSFUL;
5248 }
5249
5250 /* it is just a posix account, retrieve the dn for later use */
5251 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5252 if (!dn) {
5253 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5254 return NT_STATUS_NO_MEMORY;
5255 }
5256
5257 /* try to remove memberships first */
5258 {
5259 NTSTATUS status;
5260 struct dom_sid *sids = NULL;
5261 gid_t *gids = NULL;
5262 size_t num_groups = 0;
5263 int i;
5264 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5265
5266 status = ldapsam_enum_group_memberships(my_methods,
5267 tmp_ctx,
5268 sam_acct,
5269 &sids,
5270 &gids,
5271 &num_groups);
5272 if (!NT_STATUS_IS_OK(status)) {
5273 goto delete_dn;
5274 }
5275
5276 for (i=0; i < num_groups; i++) {
5277
5278 uint32_t group_rid;
5279
5280 sid_peek_rid(&sids[i], &group_rid);
5281
5282 ldapsam_del_groupmem(my_methods,
5283 tmp_ctx,
5284 group_rid,
5285 user_rid);
5286 }
5287 }
5288
5289 delete_dn:
5290
5291 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5292 if (rc != LDAP_SUCCESS) {
5293 return NT_STATUS_UNSUCCESSFUL;
5294 }
5295
5296 flush_pwnam_cache();
5297
5298 return NT_STATUS_OK;
5299 }
5300
5301 /*
5302 * ldapsam_create_group creates a new
5303 * posixGroup and sambaGroupMapping object
5304 * in the ldap groups subtree
5305 *
5306 * The gid is allocated by winbindd.
5307 */
5308
5309 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5310 TALLOC_CTX *tmp_ctx,
5311 const char *name,
5312 uint32 *rid)
5313 {
5314 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5315 NTSTATUS ret;
5316 LDAPMessage *entry = NULL;
5317 LDAPMessage *result = NULL;
5318 uint32 num_result;
5319 bool is_new_entry = False;
5320 LDAPMod **mods = NULL;
5321 char *filter;
5322 char *groupsidstr;
5323 char *groupname;
5324 char *grouptype;
5325 char *gidstr;
5326 const char *dn = NULL;
5327 DOM_SID group_sid;
5328 gid_t gid = -1;
5329 int rc;
5330
5331 groupname = escape_ldap_string_alloc(name);
5332 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5333 groupname, LDAP_OBJ_POSIXGROUP);
5334 SAFE_FREE(groupname);
5335
5336 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5337 if (rc != LDAP_SUCCESS) {
5338 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5339 return NT_STATUS_UNSUCCESSFUL;
5340 }
5341 talloc_autofree_ldapmsg(tmp_ctx, result);
5342
5343 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5344
5345 if (num_result > 1) {
5346 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5347 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5348 }
5349
5350 if (num_result == 1) {
5351 char *tmp;
5352 /* check if it is just a posix group.
5353 * or if there is a sid attached to this entry
5354 */
5355
5356 entry = ldap_first_entry(priv2ld(ldap_state), result);
5357 if (!entry) {
5358 return NT_STATUS_UNSUCCESSFUL;
5359 }
5360
5361 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5362 if (tmp) {
5363 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5364 return NT_STATUS_GROUP_EXISTS;
5365 }
5366
5367 /* it is just a posix group, retrieve the gid and the dn for later use */
5368 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5369 if (!tmp) {
5370 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5371 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5372 }
5373
5374 gid = strtoul(tmp, NULL, 10);
5375
5376 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5377 if (!dn) {
5378 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5379 return NT_STATUS_NO_MEMORY;
5380 }
5381 }
5382
5383 if (num_result == 0) {
5384 char *escape_name;
5385
5386 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5387
5388 is_new_entry = True;
5389
5390 /* lets allocate a new groupid for this group */
5391 if (!winbind_allocate_gid(&gid)) {
5392 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5393 return NT_STATUS_UNSUCCESSFUL;
5394 }
5395
5396 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5397
5398 escape_name = escape_rdn_val_string_alloc(name);
5399 if (!escape_name) {
5400 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5401 return NT_STATUS_NO_MEMORY;
5402 }
5403
5404 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5405
5406 SAFE_FREE(escape_name);
5407
5408 if (!gidstr || !dn) {
5409 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5410 return NT_STATUS_NO_MEMORY;
5411 }
5412
5413 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5414 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5415 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5416 }
5417
5418 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5419 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5420 return ret;
5421 }
5422
5423 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5424
5425 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5426 &group_sid));
5427 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5428
5429 if (!groupsidstr || !grouptype) {
5430 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5431 return NT_STATUS_NO_MEMORY;
5432 }
5433
5434 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5435 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5436 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5437 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5438 talloc_autofree_ldapmod(tmp_ctx, mods);
5439
5440 if (is_new_entry) {
5441 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5442 #if 0
5443 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5444 /* This call may fail with rfc2307bis schema */
5445 /* Retry adding a structural class */
5446 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5447 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5448 }
5449 #endif
5450 } else {
5451 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5452 }
5453
5454 if (rc != LDAP_SUCCESS) {
5455 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5456 return NT_STATUS_UNSUCCESSFUL;
5457 }
5458
5459 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5460
5461 return NT_STATUS_OK;
5462 }
5463
5464 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5465 {
5466 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5467 LDAPMessage *result = NULL;
5468 LDAPMessage *entry = NULL;
5469 int num_result;
5470 const char *dn;
5471 char *gidstr;
5472 char *filter;
5473 DOM_SID group_sid;
5474 int rc;
5475
5476 /* get the group sid */
5477 sid_compose(&group_sid, get_global_sam_sid(), rid);
5478
5479 filter = talloc_asprintf(tmp_ctx,
5480 "(&(sambaSID=%s)"
5481 "(objectClass=%s)"
5482 "(objectClass=%s))",
5483 sid_string_talloc(tmp_ctx, &group_sid),
5484 LDAP_OBJ_POSIXGROUP,
5485 LDAP_OBJ_GROUPMAP);
5486 if (filter == NULL) {
5487 return NT_STATUS_NO_MEMORY;
5488 }
5489
5490 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5491 if (rc != LDAP_SUCCESS) {
5492 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5493 return NT_STATUS_UNSUCCESSFUL;
5494 }
5495 talloc_autofree_ldapmsg(tmp_ctx, result);
5496
5497 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5498
5499 if (num_result == 0) {
5500 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5501 return NT_STATUS_NO_SUCH_GROUP;
5502 }
5503
5504 if (num_result > 1) {
5505 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5506 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5507 }
5508
5509 entry = ldap_first_entry(priv2ld(ldap_state), result);
5510 if (!entry) {
5511 return NT_STATUS_UNSUCCESSFUL;
5512 }
5513
5514 /* here it is, retrieve the dn for later use */
5515 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5516 if (!dn) {
5517 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5518 return NT_STATUS_NO_MEMORY;
5519 }
5520
5521 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5522 if (!gidstr) {
5523 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5524 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5525 }
5526
5527 /* check no user have this group marked as primary group */
5528 filter = talloc_asprintf(tmp_ctx,
5529 "(&(gidNumber=%s)"
5530 "(objectClass=%s)"
5531 "(objectClass=%s))",
5532 gidstr,
5533 LDAP_OBJ_POSIXACCOUNT,
5534 LDAP_OBJ_SAMBASAMACCOUNT);
5535
5536 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5537 if (rc != LDAP_SUCCESS) {
5538 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5539 return NT_STATUS_UNSUCCESSFUL;
5540 }
5541 talloc_autofree_ldapmsg(tmp_ctx, result);
5542
5543 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5544
5545 if (num_result != 0) {
5546 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5547 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5548 }
5549
5550 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5551 if (rc != LDAP_SUCCESS) {
5552 return NT_STATUS_UNSUCCESSFUL;
5553 }
5554
5555 return NT_STATUS_OK;
5556 }
5557
5558 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5559 TALLOC_CTX *tmp_ctx,
5560 uint32 group_rid,
5561 uint32 member_rid,
5562 int modop)
5563 {
5564 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5565 LDAPMessage *entry = NULL;
5566 LDAPMessage *result = NULL;
5567 uint32 num_result;
5568 LDAPMod **mods = NULL;
5569 char *filter;
5570 char *uidstr;
5571 const char *dn = NULL;
5572 DOM_SID group_sid;
5573 DOM_SID member_sid;
5574 int rc;
5575
5576 switch (modop) {
5577 case LDAP_MOD_ADD:
5578 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5579 break;
5580 case LDAP_MOD_DELETE:
5581 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5582 break;
5583 default:
5584 return NT_STATUS_UNSUCCESSFUL;
5585 }
5586
5587 /* get member sid */
5588 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5589
5590 /* get the group sid */
5591 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5592
5593 filter = talloc_asprintf(tmp_ctx,
5594 "(&(sambaSID=%s)"
5595 "(objectClass=%s)"
5596 "(objectClass=%s))",
5597 sid_string_talloc(tmp_ctx, &member_sid),
5598 LDAP_OBJ_POSIXACCOUNT,
5599 LDAP_OBJ_SAMBASAMACCOUNT);
5600 if (filter == NULL) {
5601 return NT_STATUS_NO_MEMORY;
5602 }
5603
5604 /* get the member uid */
5605 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5606 if (rc != LDAP_SUCCESS) {
5607 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5608 return NT_STATUS_UNSUCCESSFUL;
5609 }
5610 talloc_autofree_ldapmsg(tmp_ctx, result);
5611
5612 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5613
5614 if (num_result == 0) {
5615 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5616 return NT_STATUS_NO_SUCH_MEMBER;
5617 }
5618
5619 if (num_result > 1) {
5620 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5621 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5622 }
5623
5624 entry = ldap_first_entry(priv2ld(ldap_state), result);
5625 if (!entry) {
5626 return NT_STATUS_UNSUCCESSFUL;
5627 }
5628
5629 if (modop == LDAP_MOD_DELETE) {
5630 /* check if we are trying to remove the member from his primary group */
5631 char *gidstr;
5632 gid_t user_gid, group_gid;
5633
5634 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5635 if (!gidstr) {
5636 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5637 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5638 }
5639
5640 user_gid = strtoul(gidstr, NULL, 10);
5641
5642 if (!sid_to_gid(&group_sid, &group_gid)) {
5643 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5644 return NT_STATUS_UNSUCCESSFUL;
5645 }
5646
5647 if (user_gid == group_gid) {
5648 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5649 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5650 }
5651 }
5652
5653 /* here it is, retrieve the uid for later use */
5654 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5655 if (!uidstr) {
5656 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5657 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5658 }
5659
5660 filter = talloc_asprintf(tmp_ctx,
5661 "(&(sambaSID=%s)"
5662 "(objectClass=%s)"
5663 "(objectClass=%s))",
5664 sid_string_talloc(tmp_ctx, &group_sid),
5665 LDAP_OBJ_POSIXGROUP,
5666 LDAP_OBJ_GROUPMAP);
5667
5668 /* get the group */
5669 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5670 if (rc != LDAP_SUCCESS) {
5671 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5672 return NT_STATUS_UNSUCCESSFUL;
5673 }
5674 talloc_autofree_ldapmsg(tmp_ctx, result);
5675
5676 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5677
5678 if (num_result == 0) {
5679 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5680 return NT_STATUS_NO_SUCH_GROUP;
5681 }
5682
5683 if (num_result > 1) {
5684 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5685 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5686 }
5687
5688 entry = ldap_first_entry(priv2ld(ldap_state), result);
5689 if (!entry) {
5690 return NT_STATUS_UNSUCCESSFUL;
5691 }
5692
5693 /* here it is, retrieve the dn for later use */
5694 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5695 if (!dn) {
5696 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5697 return NT_STATUS_NO_MEMORY;
5698 }
5699
5700 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5701
5702 talloc_autofree_ldapmod(tmp_ctx, mods);
5703
5704 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5705 if (rc != LDAP_SUCCESS) {
5706 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5707 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5708 return NT_STATUS_MEMBER_IN_GROUP;
5709 }
5710 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5711 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5712 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5713 }
5714 return NT_STATUS_UNSUCCESSFUL;
5715 }
5716
5717 return NT_STATUS_OK;
5718 }
5719
5720 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5721 TALLOC_CTX *tmp_ctx,
5722 uint32 group_rid,
5723 uint32 member_rid)
5724 {
5725 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5726 }
5727 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5728 TALLOC_CTX *tmp_ctx,
5729 uint32 group_rid,
5730 uint32 member_rid)
5731 {
5732 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5733 }
5734
5735 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5736 TALLOC_CTX *mem_ctx,
5737 struct samu *sampass)
5738 {
5739 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5740 LDAPMessage *entry = NULL;
5741 LDAPMessage *result = NULL;
5742 uint32 num_result;
5743 LDAPMod **mods = NULL;
5744 char *filter;
5745 char *escape_username;
5746 char *gidstr;
5747 const char *dn = NULL;
5748 gid_t gid;
5749 int rc;
5750
5751 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5752
5753 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5754 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5755 return NT_STATUS_UNSUCCESSFUL;
5756 }
5757 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5758 if (!gidstr) {
5759 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5760 return NT_STATUS_NO_MEMORY;
5761 }
5762
5763 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5764 if (escape_username== NULL) {
5765 return NT_STATUS_NO_MEMORY;
5766 }
5767
5768 filter = talloc_asprintf(mem_ctx,
5769 "(&(uid=%s)"
5770 "(objectClass=%s)"
5771 "(objectClass=%s))",
5772 escape_username,
5773 LDAP_OBJ_POSIXACCOUNT,
5774 LDAP_OBJ_SAMBASAMACCOUNT);
5775
5776 SAFE_FREE(escape_username);
5777
5778 if (filter == NULL) {
5779 return NT_STATUS_NO_MEMORY;
5780 }
5781
5782 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5783 if (rc != LDAP_SUCCESS) {
5784 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5785 return NT_STATUS_UNSUCCESSFUL;
5786 }
5787 talloc_autofree_ldapmsg(mem_ctx, result);
5788
5789 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5790
5791 if (num_result == 0) {
5792 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5793 return NT_STATUS_NO_SUCH_USER;
5794 }
5795
5796 if (num_result > 1) {
5797 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5798 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5799 }
5800
5801 entry = ldap_first_entry(priv2ld(ldap_state), result);
5802 if (!entry) {
5803 return NT_STATUS_UNSUCCESSFUL;
5804 }
5805
5806 /* retrieve the dn for later use */
5807 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5808 if (!dn) {
5809 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5810 return NT_STATUS_NO_MEMORY;
5811 }
5812
5813 /* remove the old one, and add the new one, this way we do not risk races */
5814 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5815
5816 if (mods == NULL) {
5817 return NT_STATUS_OK;
5818 }
5819
5820 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5821
5822 if (rc != LDAP_SUCCESS) {
5823 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5824 pdb_get_username(sampass), gidstr));
5825 return NT_STATUS_UNSUCCESSFUL;
5826 }
5827
5828 flush_pwnam_cache();
5829
5830 return NT_STATUS_OK;
5831 }
5832
5833
5834 /**********************************************************************
5835 trusted domains functions
5836 *********************************************************************/
5837
5838 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5839 const char *domain)
5840 {
5841 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5842 ldap_state->domain_dn);
5843 }
5844
5845 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5846 TALLOC_CTX *mem_ctx,
5847 const char *domain, LDAPMessage **entry)
5848 {
5849 int rc;
5850 char *filter;
5851 int scope = LDAP_SCOPE_SUBTREE;
5852 const char **attrs = NULL; /* NULL: get all attrs */
5853 int attrsonly = 0; /* 0: return values too */
5854 LDAPMessage *result = NULL;
5855 char *trusted_dn;
5856 uint32 num_result;
5857
5858 filter = talloc_asprintf(talloc_tos(),
5859 "(&(objectClass=%s)(sambaDomainName=%s))",
5860 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5861
5862 trusted_dn = trusteddom_dn(ldap_state, domain);
5863 if (trusted_dn == NULL) {
5864 return False;
5865 }
5866 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5867 filter, attrs, attrsonly, &result);
5868
5869 if (result != NULL) {
5870 talloc_autofree_ldapmsg(mem_ctx, result);
5871 }
5872
5873 if (rc == LDAP_NO_SUCH_OBJECT) {
5874 *entry = NULL;
5875 return True;
5876 }
5877
5878 if (rc != LDAP_SUCCESS) {
5879 return False;
5880 }
5881
5882 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5883
5884 if (num_result > 1) {
5885 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5886 "%s object for domain '%s'?!\n",
5887 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5888 return False;
5889 }
5890
5891 if (num_result == 0) {
5892 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5893 "%s object for domain %s.\n",
5894 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5895 *entry = NULL;
5896 } else {
5897 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5898 }
5899
5900 return True;
5901 }
5902
5903 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
5904 const char *domain,
5905 char** pwd,
5906 DOM_SID *sid,
5907 time_t *pass_last_set_time)
5908 {
5909 struct ldapsam_privates *ldap_state =
5910 (struct ldapsam_privates *)methods->private_data;
5911 LDAPMessage *entry = NULL;
5912
5913 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
5914
5915 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
5916 (entry == NULL))
5917 {
5918 return False;
5919 }
5920
5921 /* password */
5922 if (pwd != NULL) {
5923 char *pwd_str;
5924 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5925 entry, "sambaClearTextPassword", talloc_tos());
5926 if (pwd_str == NULL) {
5927 return False;
5928 }
5929 /* trusteddom_pw routines do not use talloc yet... */
5930 *pwd = SMB_STRDUP(pwd_str);
5931 if (*pwd == NULL) {
5932 return False;
5933 }
5934 }
5935
5936 /* last change time */
5937 if (pass_last_set_time != NULL) {
5938 char *time_str;
5939 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5940 entry, "sambaPwdLastSet", talloc_tos());
5941 if (time_str == NULL) {
5942 return False;
5943 }
5944 *pass_last_set_time = (time_t)atol(time_str);
5945 }
5946
5947 /* domain sid */
5948 if (sid != NULL) {
5949 char *sid_str;
5950 DOM_SID *dom_sid;
5951 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
5952 entry, "sambaSID",
5953 talloc_tos());
5954 if (sid_str == NULL) {
5955 return False;
5956 }
5957 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
5958 if (dom_sid == NULL) {
5959 return False;
5960 }
5961 sid_copy(sid, dom_sid);
5962 }
5963
5964 return True;
5965 }
5966
5967 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
5968 const char* domain,
5969 const char* pwd,
5970 const DOM_SID *sid)
5971 {
5972 struct ldapsam_privates *ldap_state =
5973 (struct ldapsam_privates *)methods->private_data;
5974 LDAPMessage *entry = NULL;
5975 LDAPMod **mods = NULL;
5976 char *prev_pwd = NULL;
5977 char *trusted_dn = NULL;
5978 int rc;
5979
5980 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
5981
5982 /*
5983 * get the current entry (if there is one) in order to put the
5984 * current password into the previous password attribute
5985 */
5986 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
5987 return False;
5988 }
5989
5990 mods = NULL;
5991 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
5992 LDAP_OBJ_TRUSTDOM_PASSWORD);
5993 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
5994 domain);
5995 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
5996 sid_string_tos(sid));
5997 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
5998 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
5999 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6000 "sambaClearTextPassword", pwd);
6001
6002 talloc_autofree_ldapmod(talloc_tos(), mods);
6003
6004 if (entry != NULL) {
6005 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6006 entry, "sambaClearTextPassword", talloc_tos());
6007 if (prev_pwd != NULL) {
6008 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6009 "sambaPreviousClearTextPassword",
6010 prev_pwd);
6011 }
6012 }
6013
6014 trusted_dn = trusteddom_dn(ldap_state, domain);
6015 if (trusted_dn == NULL) {
6016 return False;
6017 }
6018 if (entry == NULL) {
6019 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6020 } else {
6021 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6022 }
6023
6024 if (rc != LDAP_SUCCESS) {
6025 DEBUG(1, ("error writing trusted domain password!\n"));
6026 return False;
6027 }
6028
6029 return True;
6030 }
6031
6032 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6033 const char *domain)
6034 {
6035 int rc;
6036 struct ldapsam_privates *ldap_state =
6037 (struct ldapsam_privates *)methods->private_data;
6038 LDAPMessage *entry = NULL;
6039 const char *trusted_dn;
6040
6041 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6042 return False;
6043 }
6044
6045 if (entry == NULL) {
6046 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6047 "%s\n", domain));
6048 return True;
6049 }
6050
6051 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6052 entry);
6053 if (trusted_dn == NULL) {
6054 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6055 return False;
6056 }
6057
6058 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6059 if (rc != LDAP_SUCCESS) {
6060 return False;
6061 }
6062
6063 return True;
6064 }
6065
6066 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6067 TALLOC_CTX *mem_ctx,
6068 uint32 *num_domains,
6069 struct trustdom_info ***domains)
6070 {
6071 int rc;
6072 struct ldapsam_privates *ldap_state =
6073 (struct ldapsam_privates *)methods->private_data;
6074 char *filter;
6075 int scope = LDAP_SCOPE_SUBTREE;
6076 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6077 int attrsonly = 0; /* 0: return values too */
6078 LDAPMessage *result = NULL;
6079 LDAPMessage *entry = NULL;
6080
6081 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6082 LDAP_OBJ_TRUSTDOM_PASSWORD);
6083
6084 rc = smbldap_search(ldap_state->smbldap_state,
6085 ldap_state->domain_dn,
6086 scope,
6087 filter,
6088 attrs,
6089 attrsonly,
6090 &result);
6091
6092 if (result != NULL) {
6093 talloc_autofree_ldapmsg(mem_ctx, result);
6094 }
6095
6096 if (rc != LDAP_SUCCESS) {
6097 return NT_STATUS_UNSUCCESSFUL;
6098 }
6099
6100 *num_domains = 0;
6101 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6102 DEBUG(1, ("talloc failed\n"));
6103 return NT_STATUS_NO_MEMORY;
6104 }
6105
6106 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6107 entry != NULL;
6108 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6109 {
6110 char *dom_name, *dom_sid_str;
6111 struct trustdom_info *dom_info;
6112
6113 dom_info = TALLOC_P(*domains, struct trustdom_info);
6114 if (dom_info == NULL) {
6115 DEBUG(1, ("talloc failed\n"));
6116 return NT_STATUS_NO_MEMORY;
6117 }
6118
6119 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6120 entry,
6121 "sambaDomainName",
6122 talloc_tos());
6123 if (dom_name == NULL) {
6124 DEBUG(1, ("talloc failed\n"));
6125 return NT_STATUS_NO_MEMORY;
6126 }
6127 dom_info->name = dom_name;
6128
6129 dom_sid_str = smbldap_talloc_single_attribute(
6130 priv2ld(ldap_state), entry, "sambaSID",
6131 talloc_tos());
6132 if (dom_sid_str == NULL) {
6133 DEBUG(1, ("talloc failed\n"));
6134 return NT_STATUS_NO_MEMORY;
6135 }
6136 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6137 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6138 dom_sid_str));
6139 return NT_STATUS_UNSUCCESSFUL;
6140 }
6141
6142 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6143 domains, num_domains);
6144
6145 if (*domains == NULL) {
6146 DEBUG(1, ("talloc failed\n"));
6147 return NT_STATUS_NO_MEMORY;
6148 }
6149 }
6150
6151 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6152 return NT_STATUS_OK;
6153 }
6154
6155
6156 /**********************************************************************
6157 Housekeeping
6158 *********************************************************************/
6159
6160 static void free_private_data(void **vp)
6161 {
6162 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6163
6164 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6165
6166 if ((*ldap_state)->result != NULL) {
6167 ldap_msgfree((*ldap_state)->result);
6168 (*ldap_state)->result = NULL;
6169 }
6170 if ((*ldap_state)->domain_dn != NULL) {
6171 SAFE_FREE((*ldap_state)->domain_dn);
6172 }
6173
6174 *ldap_state = NULL;
6175
6176 /* No need to free any further, as it is talloc()ed */
6177 }
6178
6179 /*********************************************************************
6180 Intitalise the parts of the pdb_methods structure that are common to
6181 all pdb_ldap modes
6182 *********************************************************************/
6183
6184 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6185 {
6186 NTSTATUS nt_status;
6187 struct ldapsam_privates *ldap_state;
6188
6189 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6190 return nt_status;
6191 }
6192
6193 (*pdb_method)->name = "ldapsam";
6194
6195 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6196 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6197 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6198 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6199 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6200 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6201
6202 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6203 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6204 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6205 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6206 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6207 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6208 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6209
6210 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6211 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6212
6213 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6214
6215 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
6216 (*pdb_method)->new_rid = ldapsam_new_rid;
6217
6218 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6219 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6220 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6221 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6222
6223 /* TODO: Setup private data and free */
6224
6225 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6226 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6227 return NT_STATUS_NO_MEMORY;
6228 }
6229
6230 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6231 location, &ldap_state->smbldap_state);
6232
6233 if ( !NT_STATUS_IS_OK(nt_status) ) {
6234 return nt_status;
6235 }
6236
6237 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6238 return NT_STATUS_NO_MEMORY;
6239 }
6240
6241 (*pdb_method)->private_data = ldap_state;
6242
6243 (*pdb_method)->free_private_data = free_private_data;
6244
6245 return NT_STATUS_OK;
6246 }
6247
6248 /**********************************************************************
6249 Initialise the 'compat' mode for pdb_ldap
6250 *********************************************************************/
6251
6252 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6253 {
6254 NTSTATUS nt_status;
6255 struct ldapsam_privates *ldap_state;
6256 char *uri = talloc_strdup( NULL, location );
6257
6258 trim_char( uri, '\"', '\"' );
6259 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6260 if ( uri )
6261 TALLOC_FREE( uri );
6262
6263 if ( !NT_STATUS_IS_OK(nt_status) ) {
6264 return nt_status;
6265 }
6266
6267 (*pdb_method)->name = "ldapsam_compat";
6268
6269 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6270 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6271
6272 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6273
6274 return NT_STATUS_OK;
6275 }
6276
6277 /**********************************************************************
6278 Initialise the normal mode for pdb_ldap
6279 *********************************************************************/
6280
6281 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6282 {
6283 NTSTATUS nt_status;
6284 struct ldapsam_privates *ldap_state = NULL;
6285 uint32 alg_rid_base;
6286 char *alg_rid_base_string = NULL;
6287 LDAPMessage *result = NULL;
6288 LDAPMessage *entry = NULL;
6289 DOM_SID ldap_domain_sid;
6290 DOM_SID secrets_domain_sid;
6291 char *domain_sid_string = NULL;
6292 char *dn = NULL;
6293 char *uri = talloc_strdup( NULL, location );
6294
6295 trim_char( uri, '\"', '\"' );
6296 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6297 if (uri) {
6298 TALLOC_FREE(uri);
6299 }
6300
6301 if (!NT_STATUS_IS_OK(nt_status)) {
6302 return nt_status;
6303 }
6304
6305 (*pdb_method)->name = "ldapsam";
6306
6307 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6308 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6309 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6310 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6311 (*pdb_method)->search_users = ldapsam_search_users;
6312 (*pdb_method)->search_groups = ldapsam_search_groups;
6313 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6314
6315 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6316 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6317 (*pdb_method)->enum_group_memberships =
6318 ldapsam_enum_group_memberships;
6319 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6320 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6321
6322 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6323 (*pdb_method)->create_user = ldapsam_create_user;
6324 (*pdb_method)->delete_user = ldapsam_delete_user;
6325 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6326 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6327 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6328 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6329 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6330 }
6331 }
6332
6333 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6334 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6335
6336 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6337
6338 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6339 &result,
6340 ldap_state->domain_name, True);
6341
6342 if ( !NT_STATUS_IS_OK(nt_status) ) {
6343 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6344 "info, nor add one to the domain\n"));
6345 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6346 "will be unable to allocate new users/groups, "
6347 "and will risk BDCs having inconsistant SIDs\n"));
6348 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6349 return NT_STATUS_OK;
6350 }
6351
6352 /* Given that the above might fail, everything below this must be
6353 * optional */
6354
6355 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6356 result);
6357 if (!entry) {
6358 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6359 "entry\n"));
6360 ldap_msgfree(result);
6361 return NT_STATUS_UNSUCCESSFUL;
6362 }
6363
6364 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6365 if (!dn) {
6366 ldap_msgfree(result);
6367 return NT_STATUS_UNSUCCESSFUL;
6368 }
6369
6370 ldap_state->domain_dn = smb_xstrdup(dn);
6371 TALLOC_FREE(dn);
6372
6373 domain_sid_string = smbldap_talloc_single_attribute(
6374 ldap_state->smbldap_state->ldap_struct,
6375 entry,
6376 get_userattr_key2string(ldap_state->schema_ver,
6377 LDAP_ATTR_USER_SID),
6378 talloc_tos());
6379
6380 if (domain_sid_string) {
6381 bool found_sid;
6382 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6383 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6384 "read as a valid SID\n", domain_sid_string));
6385 ldap_msgfree(result);
6386 TALLOC_FREE(domain_sid_string);
6387 return NT_STATUS_INVALID_PARAMETER;
6388 }
6389 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6390 &secrets_domain_sid);
6391 if (!found_sid || !sid_equal(&secrets_domain_sid,
6392 &ldap_domain_sid)) {
6393 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6394 "%s based on pdb_ldap results %s -> %s\n",
6395 ldap_state->domain_name,
6396 sid_string_dbg(&secrets_domain_sid),
6397 sid_string_dbg(&ldap_domain_sid)));
6398
6399 /* reset secrets.tdb sid */
6400 secrets_store_domain_sid(ldap_state->domain_name,
6401 &ldap_domain_sid);
6402 DEBUG(1, ("New global sam SID: %s\n",
6403 sid_string_dbg(get_global_sam_sid())));
6404 }
6405 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6406 TALLOC_FREE(domain_sid_string);
6407 }
6408
6409 alg_rid_base_string = smbldap_talloc_single_attribute(
6410 ldap_state->smbldap_state->ldap_struct,
6411 entry,
6412 get_attr_key2string( dominfo_attr_list,
6413 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6414 talloc_tos());
6415 if (alg_rid_base_string) {
6416 alg_rid_base = (uint32)atol(alg_rid_base_string);
6417 if (alg_rid_base != algorithmic_rid_base()) {
6418 DEBUG(0, ("The value of 'algorithmic RID base' has "
6419 "changed since the LDAP\n"
6420 "database was initialised. Aborting. \n"));
6421 ldap_msgfree(result);
6422 TALLOC_FREE(alg_rid_base_string);
6423 return NT_STATUS_UNSUCCESSFUL;
6424 }
6425 TALLOC_FREE(alg_rid_base_string);
6426 }
6427 ldap_msgfree(result);
6428
6429 return NT_STATUS_OK;
6430 }
6431
6432 NTSTATUS pdb_ldap_init(void)
6433 {
6434 NTSTATUS nt_status;
6435 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6436 return nt_status;
6437
6438 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6439 return nt_status;
6440
6441 /* Let pdb_nds register backends */
6442 pdb_nds_init();
6443
6444 return NT_STATUS_OK;
6445 }
WIP