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s4-test/repl_schema: Remote global ldb connections
[Samba.git] / source3 / passdb / pdb_ldap.c
blob942fd7fc564bcd5064808050279875c5263c1f7a
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "../libcli/auth/libcli_auth.h"
48 #include "secrets.h"
49 #include "idmap_cache.h"
50 #include "../libcli/security/security.h"
51
52 #undef DBGC_CLASS
53 #define DBGC_CLASS DBGC_PASSDB
54
55 #include <lber.h>
56 #include <ldap.h>
57
58 /*
59 * Work around versions of the LDAP client libs that don't have the OIDs
60 * defined, or have them defined under the old name.
61 * This functionality is really a factor of the server, not the client
62 *
63 */
64
65 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
66 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
67 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
68 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
69 #endif
70
71 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
72 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
73 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
75 #endif
76
77 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
78 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
79 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
80 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
81 #endif
82
83
84 #include "smbldap.h"
85
86 /**********************************************************************
87 Simple helper function to make stuff better readable
88 **********************************************************************/
89
90 static LDAP *priv2ld(struct ldapsam_privates *priv)
91 {
92 return priv->smbldap_state->ldap_struct;
93 }
94
95 /**********************************************************************
96 Get the attribute name given a user schame version.
97 **********************************************************************/
98
99 static const char* get_userattr_key2string( int schema_ver, int key )
100 {
101 switch ( schema_ver ) {
102 case SCHEMAVER_SAMBAACCOUNT:
103 return get_attr_key2string( attrib_map_v22, key );
104
105 case SCHEMAVER_SAMBASAMACCOUNT:
106 return get_attr_key2string( attrib_map_v30, key );
107
108 default:
109 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
110 break;
111 }
112 return NULL;
113 }
114
115 /**********************************************************************
116 Return the list of attribute names given a user schema version.
117 **********************************************************************/
118
119 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
120 {
121 switch ( schema_ver ) {
122 case SCHEMAVER_SAMBAACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v22 );
124
125 case SCHEMAVER_SAMBASAMACCOUNT:
126 return get_attr_list( mem_ctx, attrib_map_v30 );
127 default:
128 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
129 break;
130 }
131
132 return NULL;
133 }
134
135 /**************************************************************************
136 Return the list of attribute names to delete given a user schema version.
137 **************************************************************************/
138
139 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
140 int schema_ver )
141 {
142 switch ( schema_ver ) {
143 case SCHEMAVER_SAMBAACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v22 );
146
147 case SCHEMAVER_SAMBASAMACCOUNT:
148 return get_attr_list( mem_ctx,
149 attrib_map_to_delete_v30 );
150 default:
151 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
152 break;
153 }
154
155 return NULL;
156 }
157
158
159 /*******************************************************************
160 Generate the LDAP search filter for the objectclass based on the
161 version of the schema we are using.
162 ******************************************************************/
163
164 static const char* get_objclass_filter( int schema_ver )
165 {
166 fstring objclass_filter;
167 char *result;
168
169 switch( schema_ver ) {
170 case SCHEMAVER_SAMBAACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
172 break;
173 case SCHEMAVER_SAMBASAMACCOUNT:
174 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
175 break;
176 default:
177 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
178 objclass_filter[0] = '\0';
179 break;
180 }
181
182 result = talloc_strdup(talloc_tos(), objclass_filter);
183 SMB_ASSERT(result != NULL);
184 return result;
185 }
186
187 /*****************************************************************
188 Scan a sequence number off OpenLDAP's syncrepl contextCSN
189 ******************************************************************/
190
191 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
192 {
193 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
194 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
195 LDAPMessage *msg = NULL;
196 LDAPMessage *entry = NULL;
197 TALLOC_CTX *mem_ctx;
198 char **values = NULL;
199 int rc, num_result, num_values, rid;
200 char *suffix = NULL;
201 char *tok;
202 const char *p;
203 const char **attrs;
204
205 /* Unfortunatly there is no proper way to detect syncrepl-support in
206 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
207 * but do not show up in the root-DSE yet. Neither we can query the
208 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
209 * objectclass. Currently we require lp_ldap_suffix() to show up as
210 * namingContext. - Guenther
211 */
212
213 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
214 return ntstatus;
215 }
216
217 if (!seq_num) {
218 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
219 return ntstatus;
220 }
221
222 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
223 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
224 "as top-level namingContext\n", lp_ldap_suffix()));
225 return ntstatus;
226 }
227
228 mem_ctx = talloc_init("ldapsam_get_seq_num");
229
230 if (mem_ctx == NULL)
231 return NT_STATUS_NO_MEMORY;
232
233 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
234 ntstatus = NT_STATUS_NO_MEMORY;
235 goto done;
236 }
237
238 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
239 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
240 if (rid > 0) {
241
242 /* consumer syncreplCookie: */
243 /* csn=20050126161620Z#0000001#00#00000 */
244 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
245 attrs[1] = NULL;
246 suffix = talloc_asprintf(mem_ctx,
247 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
248 if (!suffix) {
249 ntstatus = NT_STATUS_NO_MEMORY;
250 goto done;
251 }
252 } else {
253
254 /* provider contextCSN */
255 /* 20050126161620Z#000009#00#000000 */
256 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
257 attrs[1] = NULL;
258 suffix = talloc_asprintf(mem_ctx,
259 "cn=ldapsync,%s", lp_ldap_suffix());
260
261 if (!suffix) {
262 ntstatus = NT_STATUS_NO_MEMORY;
263 goto done;
264 }
265 }
266
267 rc = smbldap_search(ldap_state->smbldap_state, suffix,
268 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
269
270 if (rc != LDAP_SUCCESS) {
271 goto done;
272 }
273
274 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
275 if (num_result != 1) {
276 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
277 goto done;
278 }
279
280 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
281 if (entry == NULL) {
282 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
283 goto done;
284 }
285
286 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
287 if (values == NULL) {
288 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
289 goto done;
290 }
291
292 num_values = ldap_count_values(values);
293 if (num_values == 0) {
294 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
295 goto done;
296 }
297
298 p = values[0];
299 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
300 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
301 goto done;
302 }
303
304 p = tok;
305 if (!strncmp(p, "csn=", strlen("csn=")))
306 p += strlen("csn=");
307
308 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
309
310 *seq_num = generalized_to_unix_time(p);
311
312 /* very basic sanity check */
313 if (*seq_num <= 0) {
314 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
315 (int)*seq_num));
316 goto done;
317 }
318
319 ntstatus = NT_STATUS_OK;
320
321 done:
322 if (values != NULL)
323 ldap_value_free(values);
324 if (msg != NULL)
325 ldap_msgfree(msg);
326 if (mem_ctx)
327 talloc_destroy(mem_ctx);
328
329 return ntstatus;
330 }
331
332 /*******************************************************************
333 Run the search by name.
334 ******************************************************************/
335
336 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
337 const char *user,
338 LDAPMessage ** result,
339 const char **attr)
340 {
341 char *filter = NULL;
342 char *escape_user = escape_ldap_string(talloc_tos(), user);
343 int ret = -1;
344
345 if (!escape_user) {
346 return LDAP_NO_MEMORY;
347 }
348
349 /*
350 * in the filter expression, replace %u with the real name
351 * so in ldap filter, %u MUST exist :-)
352 */
353 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
354 get_objclass_filter(ldap_state->schema_ver));
355 if (!filter) {
356 TALLOC_FREE(escape_user);
357 return LDAP_NO_MEMORY;
358 }
359 /*
360 * have to use this here because $ is filtered out
361 * in string_sub
362 */
363
364 filter = talloc_all_string_sub(talloc_tos(),
365 filter, "%u", escape_user);
366 TALLOC_FREE(escape_user);
367 if (!filter) {
368 return LDAP_NO_MEMORY;
369 }
370
371 ret = smbldap_search_suffix(ldap_state->smbldap_state,
372 filter, attr, result);
373 TALLOC_FREE(filter);
374 return ret;
375 }
376
377 /*******************************************************************
378 Run the search by rid.
379 ******************************************************************/
380
381 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
382 uint32_t rid, LDAPMessage ** result,
383 const char **attr)
384 {
385 char *filter = NULL;
386 int rc;
387
388 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
389 get_objclass_filter(ldap_state->schema_ver));
390 if (!filter) {
391 return LDAP_NO_MEMORY;
392 }
393
394 rc = smbldap_search_suffix(ldap_state->smbldap_state,
395 filter, attr, result);
396 TALLOC_FREE(filter);
397 return rc;
398 }
399
400 /*******************************************************************
401 Run the search by SID.
402 ******************************************************************/
403
404 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
405 const struct dom_sid *sid, LDAPMessage ** result,
406 const char **attr)
407 {
408 char *filter = NULL;
409 int rc;
410 fstring sid_string;
411
412 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
413 get_userattr_key2string(ldap_state->schema_ver,
414 LDAP_ATTR_USER_SID),
415 sid_to_fstring(sid_string, sid),
416 get_objclass_filter(ldap_state->schema_ver));
417 if (!filter) {
418 return LDAP_NO_MEMORY;
419 }
420
421 rc = smbldap_search_suffix(ldap_state->smbldap_state,
422 filter, attr, result);
423
424 TALLOC_FREE(filter);
425 return rc;
426 }
427
428 /*******************************************************************
429 Delete complete object or objectclass and attrs from
430 object found in search_result depending on lp_ldap_delete_dn
431 ******************************************************************/
432
433 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
434 TALLOC_CTX *mem_ctx,
435 LDAPMessage *entry,
436 const char *objectclass,
437 const char **attrs)
438 {
439 LDAPMod **mods = NULL;
440 char *name;
441 const char *dn;
442 BerElement *ptr = NULL;
443
444 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
445 if (dn == NULL) {
446 return LDAP_NO_MEMORY;
447 }
448
449 if (lp_ldap_delete_dn()) {
450 return smbldap_delete(priv->smbldap_state, dn);
451 }
452
453 /* Ok, delete only the SAM attributes */
454
455 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
456 name != NULL;
457 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
458 const char **attrib;
459
460 /* We are only allowed to delete the attributes that
461 really exist. */
462
463 for (attrib = attrs; *attrib != NULL; attrib++) {
464 if (strequal(*attrib, name)) {
465 DEBUG(10, ("ldapsam_delete_entry: deleting "
466 "attribute %s\n", name));
467 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
468 NULL);
469 }
470 }
471 ldap_memfree(name);
472 }
473
474 if (ptr != NULL) {
475 ber_free(ptr, 0);
476 }
477
478 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
479 talloc_autofree_ldapmod(mem_ctx, mods);
480
481 return smbldap_modify(priv->smbldap_state, dn, mods);
482 }
483
484 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
485 {
486 char *temp;
487 struct tm tm;
488
489 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
490 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
491 talloc_tos());
492 if (!temp) {
493 return (time_t) 0;
494 }
495
496 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
497 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
498 (char*)temp));
499 TALLOC_FREE(temp);
500 return (time_t) 0;
501 }
502 TALLOC_FREE(temp);
503 tzset();
504 return timegm(&tm);
505 }
506
507 /**********************************************************************
508 Initialize struct samu from an LDAP query.
509 (Based on init_sam_from_buffer in pdb_tdb.c)
510 *********************************************************************/
511
512 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
513 struct samu * sampass,
514 LDAPMessage * entry)
515 {
516 time_t logon_time,
517 logoff_time,
518 kickoff_time,
519 pass_last_set_time,
520 pass_can_change_time,
521 pass_must_change_time,
522 ldap_entry_time,
523 bad_password_time;
524 char *username = NULL,
525 *domain = NULL,
526 *nt_username = NULL,
527 *fullname = NULL,
528 *homedir = NULL,
529 *dir_drive = NULL,
530 *logon_script = NULL,
531 *profile_path = NULL,
532 *acct_desc = NULL,
533 *workstations = NULL,
534 *munged_dial = NULL;
535 uint32_t user_rid;
536 uint8 smblmpwd[LM_HASH_LEN],
537 smbntpwd[NT_HASH_LEN];
538 bool use_samba_attrs = True;
539 uint32_t acct_ctrl = 0;
540 uint16_t logon_divs;
541 uint16_t bad_password_count = 0,
542 logon_count = 0;
543 uint32_t hours_len;
544 uint8 hours[MAX_HOURS_LEN];
545 char *temp = NULL;
546 struct login_cache cache_entry;
547 uint32_t pwHistLen;
548 bool expand_explicit = lp_passdb_expand_explicit();
549 bool ret = false;
550 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
551
552 if (!ctx) {
553 return false;
554 }
555 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
556 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
557 goto fn_exit;
558 }
559
560 if (priv2ld(ldap_state) == NULL) {
561 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
562 "ldap_struct is NULL!\n"));
563 goto fn_exit;
564 }
565
566 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
567 entry,
568 "uid",
569 ctx))) {
570 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
571 "this user!\n"));
572 goto fn_exit;
573 }
574
575 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
576
577 nt_username = talloc_strdup(ctx, username);
578 if (!nt_username) {
579 goto fn_exit;
580 }
581
582 domain = talloc_strdup(ctx, ldap_state->domain_name);
583 if (!domain) {
584 goto fn_exit;
585 }
586
587 pdb_set_username(sampass, username, PDB_SET);
588
589 pdb_set_domain(sampass, domain, PDB_DEFAULT);
590 pdb_set_nt_username(sampass, nt_username, PDB_SET);
591
592 /* deal with different attributes between the schema first */
593
594 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
595 if ((temp = smbldap_talloc_single_attribute(
596 ldap_state->smbldap_state->ldap_struct,
597 entry,
598 get_userattr_key2string(ldap_state->schema_ver,
599 LDAP_ATTR_USER_SID),
600 ctx))!=NULL) {
601 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
602 }
603 } else {
604 if ((temp = smbldap_talloc_single_attribute(
605 ldap_state->smbldap_state->ldap_struct,
606 entry,
607 get_userattr_key2string(ldap_state->schema_ver,
608 LDAP_ATTR_USER_RID),
609 ctx))!=NULL) {
610 user_rid = (uint32_t)atol(temp);
611 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
612 }
613 }
614
615 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
616 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
617 get_userattr_key2string(ldap_state->schema_ver,
618 LDAP_ATTR_USER_SID),
619 get_userattr_key2string(ldap_state->schema_ver,
620 LDAP_ATTR_USER_RID),
621 username));
622 return False;
623 }
624
625 temp = smbldap_talloc_single_attribute(
626 ldap_state->smbldap_state->ldap_struct,
627 entry,
628 get_userattr_key2string(ldap_state->schema_ver,
629 LDAP_ATTR_PWD_LAST_SET),
630 ctx);
631 if (temp) {
632 pass_last_set_time = (time_t) atol(temp);
633 pdb_set_pass_last_set_time(sampass,
634 pass_last_set_time, PDB_SET);
635 }
636
637 temp = smbldap_talloc_single_attribute(
638 ldap_state->smbldap_state->ldap_struct,
639 entry,
640 get_userattr_key2string(ldap_state->schema_ver,
641 LDAP_ATTR_LOGON_TIME),
642 ctx);
643 if (temp) {
644 logon_time = (time_t) atol(temp);
645 pdb_set_logon_time(sampass, logon_time, PDB_SET);
646 }
647
648 temp = smbldap_talloc_single_attribute(
649 ldap_state->smbldap_state->ldap_struct,
650 entry,
651 get_userattr_key2string(ldap_state->schema_ver,
652 LDAP_ATTR_LOGOFF_TIME),
653 ctx);
654 if (temp) {
655 logoff_time = (time_t) atol(temp);
656 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
657 }
658
659 temp = smbldap_talloc_single_attribute(
660 ldap_state->smbldap_state->ldap_struct,
661 entry,
662 get_userattr_key2string(ldap_state->schema_ver,
663 LDAP_ATTR_KICKOFF_TIME),
664 ctx);
665 if (temp) {
666 kickoff_time = (time_t) atol(temp);
667 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
668 }
669
670 temp = smbldap_talloc_single_attribute(
671 ldap_state->smbldap_state->ldap_struct,
672 entry,
673 get_userattr_key2string(ldap_state->schema_ver,
674 LDAP_ATTR_PWD_CAN_CHANGE),
675 ctx);
676 if (temp) {
677 pass_can_change_time = (time_t) atol(temp);
678 pdb_set_pass_can_change_time(sampass,
679 pass_can_change_time, PDB_SET);
680 }
681
682 temp = smbldap_talloc_single_attribute(
683 ldap_state->smbldap_state->ldap_struct,
684 entry,
685 get_userattr_key2string(ldap_state->schema_ver,
686 LDAP_ATTR_PWD_MUST_CHANGE),
687 ctx);
688 if (temp) {
689 pass_must_change_time = (time_t) atol(temp);
690 pdb_set_pass_must_change_time(sampass,
691 pass_must_change_time, PDB_SET);
692 }
693
694 /* recommend that 'gecos' and 'displayName' should refer to the same
695 * attribute OID. userFullName depreciated, only used by Samba
696 * primary rules of LDAP: don't make a new attribute when one is already defined
697 * that fits your needs; using cn then displayName rather than 'userFullName'
698 */
699
700 fullname = smbldap_talloc_single_attribute(
701 ldap_state->smbldap_state->ldap_struct,
702 entry,
703 get_userattr_key2string(ldap_state->schema_ver,
704 LDAP_ATTR_DISPLAY_NAME),
705 ctx);
706 if (fullname) {
707 pdb_set_fullname(sampass, fullname, PDB_SET);
708 } else {
709 fullname = smbldap_talloc_single_attribute(
710 ldap_state->smbldap_state->ldap_struct,
711 entry,
712 get_userattr_key2string(ldap_state->schema_ver,
713 LDAP_ATTR_CN),
714 ctx);
715 if (fullname) {
716 pdb_set_fullname(sampass, fullname, PDB_SET);
717 }
718 }
719
720 dir_drive = smbldap_talloc_single_attribute(
721 ldap_state->smbldap_state->ldap_struct,
722 entry,
723 get_userattr_key2string(ldap_state->schema_ver,
724 LDAP_ATTR_HOME_DRIVE),
725 ctx);
726 if (dir_drive) {
727 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
728 } else {
729 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
730 }
731
732 homedir = smbldap_talloc_single_attribute(
733 ldap_state->smbldap_state->ldap_struct,
734 entry,
735 get_userattr_key2string(ldap_state->schema_ver,
736 LDAP_ATTR_HOME_PATH),
737 ctx);
738 if (homedir) {
739 if (expand_explicit) {
740 homedir = talloc_sub_basic(ctx,
741 username,
742 domain,
743 homedir);
744 if (!homedir) {
745 goto fn_exit;
746 }
747 }
748 pdb_set_homedir(sampass, homedir, PDB_SET);
749 } else {
750 pdb_set_homedir(sampass,
751 talloc_sub_basic(ctx, username, domain,
752 lp_logon_home()),
753 PDB_DEFAULT);
754 }
755
756 logon_script = smbldap_talloc_single_attribute(
757 ldap_state->smbldap_state->ldap_struct,
758 entry,
759 get_userattr_key2string(ldap_state->schema_ver,
760 LDAP_ATTR_LOGON_SCRIPT),
761 ctx);
762 if (logon_script) {
763 if (expand_explicit) {
764 logon_script = talloc_sub_basic(ctx,
765 username,
766 domain,
767 logon_script);
768 if (!logon_script) {
769 goto fn_exit;
770 }
771 }
772 pdb_set_logon_script(sampass, logon_script, PDB_SET);
773 } else {
774 pdb_set_logon_script(sampass,
775 talloc_sub_basic(ctx, username, domain,
776 lp_logon_script()),
777 PDB_DEFAULT );
778 }
779
780 profile_path = smbldap_talloc_single_attribute(
781 ldap_state->smbldap_state->ldap_struct,
782 entry,
783 get_userattr_key2string(ldap_state->schema_ver,
784 LDAP_ATTR_PROFILE_PATH),
785 ctx);
786 if (profile_path) {
787 if (expand_explicit) {
788 profile_path = talloc_sub_basic(ctx,
789 username,
790 domain,
791 profile_path);
792 if (!profile_path) {
793 goto fn_exit;
794 }
795 }
796 pdb_set_profile_path(sampass, profile_path, PDB_SET);
797 } else {
798 pdb_set_profile_path(sampass,
799 talloc_sub_basic(ctx, username, domain,
800 lp_logon_path()),
801 PDB_DEFAULT );
802 }
803
804 acct_desc = smbldap_talloc_single_attribute(
805 ldap_state->smbldap_state->ldap_struct,
806 entry,
807 get_userattr_key2string(ldap_state->schema_ver,
808 LDAP_ATTR_DESC),
809 ctx);
810 if (acct_desc) {
811 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
812 }
813
814 workstations = smbldap_talloc_single_attribute(
815 ldap_state->smbldap_state->ldap_struct,
816 entry,
817 get_userattr_key2string(ldap_state->schema_ver,
818 LDAP_ATTR_USER_WKS),
819 ctx);
820 if (workstations) {
821 pdb_set_workstations(sampass, workstations, PDB_SET);
822 }
823
824 munged_dial = smbldap_talloc_single_attribute(
825 ldap_state->smbldap_state->ldap_struct,
826 entry,
827 get_userattr_key2string(ldap_state->schema_ver,
828 LDAP_ATTR_MUNGED_DIAL),
829 ctx);
830 if (munged_dial) {
831 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
832 }
833
834 /* FIXME: hours stuff should be cleaner */
835
836 logon_divs = 168;
837 hours_len = 21;
838 memset(hours, 0xff, hours_len);
839
840 if (ldap_state->is_nds_ldap) {
841 char *user_dn;
842 size_t pwd_len;
843 char clear_text_pw[512];
844
845 /* Make call to Novell eDirectory ldap extension to get clear text password.
846 NOTE: This will only work if we have an SSL connection to eDirectory. */
847 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
848 if (user_dn != NULL) {
849 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
850
851 pwd_len = sizeof(clear_text_pw);
852 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
853 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
854 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
855 TALLOC_FREE(user_dn);
856 return False;
857 }
858 ZERO_STRUCT(smblmpwd);
859 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
860 TALLOC_FREE(user_dn);
861 return False;
862 }
863 ZERO_STRUCT(smbntpwd);
864 use_samba_attrs = False;
865 }
866
867 TALLOC_FREE(user_dn);
868
869 } else {
870 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
871 }
872 }
873
874 if (use_samba_attrs) {
875 temp = smbldap_talloc_single_attribute(
876 ldap_state->smbldap_state->ldap_struct,
877 entry,
878 get_userattr_key2string(ldap_state->schema_ver,
879 LDAP_ATTR_LMPW),
880 ctx);
881 if (temp) {
882 pdb_gethexpwd(temp, smblmpwd);
883 memset((char *)temp, '\0', strlen(temp)+1);
884 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
885 goto fn_exit;
886 }
887 ZERO_STRUCT(smblmpwd);
888 }
889
890 temp = smbldap_talloc_single_attribute(
891 ldap_state->smbldap_state->ldap_struct,
892 entry,
893 get_userattr_key2string(ldap_state->schema_ver,
894 LDAP_ATTR_NTPW),
895 ctx);
896 if (temp) {
897 pdb_gethexpwd(temp, smbntpwd);
898 memset((char *)temp, '\0', strlen(temp)+1);
899 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
900 goto fn_exit;
901 }
902 ZERO_STRUCT(smbntpwd);
903 }
904 }
905
906 pwHistLen = 0;
907
908 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
909 if (pwHistLen > 0){
910 uint8 *pwhist = NULL;
911 int i;
912 char *history_string = TALLOC_ARRAY(ctx, char,
913 MAX_PW_HISTORY_LEN*64);
914
915 if (!history_string) {
916 goto fn_exit;
917 }
918
919 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
920
921 pwhist = TALLOC_ARRAY(ctx, uint8,
922 pwHistLen * PW_HISTORY_ENTRY_LEN);
923 if (pwhist == NULL) {
924 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
925 goto fn_exit;
926 }
927 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
928
929 if (smbldap_get_single_attribute(
930 ldap_state->smbldap_state->ldap_struct,
931 entry,
932 get_userattr_key2string(ldap_state->schema_ver,
933 LDAP_ATTR_PWD_HISTORY),
934 history_string,
935 MAX_PW_HISTORY_LEN*64)) {
936 bool hex_failed = false;
937 for (i = 0; i < pwHistLen; i++){
938 /* Get the 16 byte salt. */
939 if (!pdb_gethexpwd(&history_string[i*64],
940 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
941 hex_failed = true;
942 break;
943 }
944 /* Get the 16 byte MD5 hash of salt+passwd. */
945 if (!pdb_gethexpwd(&history_string[(i*64)+32],
946 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
947 PW_HISTORY_SALT_LEN])) {
948 hex_failed = True;
949 break;
950 }
951 }
952 if (hex_failed) {
953 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
954 username));
955 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
956 }
957 }
958 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
959 goto fn_exit;
960 }
961 }
962
963 temp = smbldap_talloc_single_attribute(
964 ldap_state->smbldap_state->ldap_struct,
965 entry,
966 get_userattr_key2string(ldap_state->schema_ver,
967 LDAP_ATTR_ACB_INFO),
968 ctx);
969 if (temp) {
970 acct_ctrl = pdb_decode_acct_ctrl(temp);
971
972 if (acct_ctrl == 0) {
973 acct_ctrl |= ACB_NORMAL;
974 }
975
976 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
977 } else {
978 acct_ctrl |= ACB_NORMAL;
979 }
980
981 pdb_set_hours_len(sampass, hours_len, PDB_SET);
982 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
983
984 temp = smbldap_talloc_single_attribute(
985 ldap_state->smbldap_state->ldap_struct,
986 entry,
987 get_userattr_key2string(ldap_state->schema_ver,
988 LDAP_ATTR_BAD_PASSWORD_COUNT),
989 ctx);
990 if (temp) {
991 bad_password_count = (uint32_t) atol(temp);
992 pdb_set_bad_password_count(sampass,
993 bad_password_count, PDB_SET);
994 }
995
996 temp = smbldap_talloc_single_attribute(
997 ldap_state->smbldap_state->ldap_struct,
998 entry,
999 get_userattr_key2string(ldap_state->schema_ver,
1000 LDAP_ATTR_BAD_PASSWORD_TIME),
1001 ctx);
1002 if (temp) {
1003 bad_password_time = (time_t) atol(temp);
1004 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1005 }
1006
1007
1008 temp = smbldap_talloc_single_attribute(
1009 ldap_state->smbldap_state->ldap_struct,
1010 entry,
1011 get_userattr_key2string(ldap_state->schema_ver,
1012 LDAP_ATTR_LOGON_COUNT),
1013 ctx);
1014 if (temp) {
1015 logon_count = (uint32_t) atol(temp);
1016 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1017 }
1018
1019 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1020
1021 temp = smbldap_talloc_single_attribute(
1022 ldap_state->smbldap_state->ldap_struct,
1023 entry,
1024 get_userattr_key2string(ldap_state->schema_ver,
1025 LDAP_ATTR_LOGON_HOURS),
1026 ctx);
1027 if (temp) {
1028 pdb_gethexhours(temp, hours);
1029 memset((char *)temp, '\0', strlen(temp) +1);
1030 pdb_set_hours(sampass, hours, PDB_SET);
1031 ZERO_STRUCT(hours);
1032 }
1033
1034 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1035 struct passwd unix_pw;
1036 bool have_uid = false;
1037 bool have_gid = false;
1038 struct dom_sid mapped_gsid;
1039 const struct dom_sid *primary_gsid;
1040
1041 ZERO_STRUCT(unix_pw);
1042
1043 unix_pw.pw_name = username;
1044 unix_pw.pw_passwd = discard_const_p(char, "x");
1045
1046 temp = smbldap_talloc_single_attribute(
1047 priv2ld(ldap_state),
1048 entry,
1049 "uidNumber",
1050 ctx);
1051 if (temp) {
1052 /* We've got a uid, feed the cache */
1053 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1054 have_uid = true;
1055 }
1056 temp = smbldap_talloc_single_attribute(
1057 priv2ld(ldap_state),
1058 entry,
1059 "gidNumber",
1060 ctx);
1061 if (temp) {
1062 /* We've got a uid, feed the cache */
1063 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1064 have_gid = true;
1065 }
1066 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1067 priv2ld(ldap_state),
1068 entry,
1069 "gecos",
1070 ctx);
1071 if (unix_pw.pw_gecos) {
1072 unix_pw.pw_gecos = fullname;
1073 }
1074 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1075 priv2ld(ldap_state),
1076 entry,
1077 "homeDirectory",
1078 ctx);
1079 if (unix_pw.pw_dir) {
1080 unix_pw.pw_dir = discard_const_p(char, "");
1081 }
1082 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1083 priv2ld(ldap_state),
1084 entry,
1085 "loginShell",
1086 ctx);
1087 if (unix_pw.pw_shell) {
1088 unix_pw.pw_shell = discard_const_p(char, "");
1089 }
1090
1091 if (have_uid && have_gid) {
1092 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1093 } else {
1094 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1095 }
1096
1097 if (sampass->unix_pw == NULL) {
1098 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1099 pdb_get_username(sampass)));
1100 goto fn_exit;
1101 }
1102
1103 store_uid_sid_cache(pdb_get_user_sid(sampass),
1104 sampass->unix_pw->pw_uid);
1105 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1106 sampass->unix_pw->pw_uid);
1107
1108 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1109 primary_gsid = pdb_get_group_sid(sampass);
1110 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1111 store_gid_sid_cache(primary_gsid,
1112 sampass->unix_pw->pw_gid);
1113 idmap_cache_set_sid2gid(primary_gsid,
1114 sampass->unix_pw->pw_gid);
1115 }
1116 }
1117
1118 /* check the timestamp of the cache vs ldap entry */
1119 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1120 entry))) {
1121 ret = true;
1122 goto fn_exit;
1123 }
1124
1125 /* see if we have newer updates */
1126 if (!login_cache_read(sampass, &cache_entry)) {
1127 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1128 (unsigned int)pdb_get_bad_password_count(sampass),
1129 (unsigned int)pdb_get_bad_password_time(sampass)));
1130 ret = true;
1131 goto fn_exit;
1132 }
1133
1134 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1135 (unsigned int)ldap_entry_time,
1136 (unsigned int)cache_entry.entry_timestamp,
1137 (unsigned int)cache_entry.bad_password_time));
1138
1139 if (ldap_entry_time > cache_entry.entry_timestamp) {
1140 /* cache is older than directory , so
1141 we need to delete the entry but allow the
1142 fields to be written out */
1143 login_cache_delentry(sampass);
1144 } else {
1145 /* read cache in */
1146 pdb_set_acct_ctrl(sampass,
1147 pdb_get_acct_ctrl(sampass) |
1148 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1149 PDB_SET);
1150 pdb_set_bad_password_count(sampass,
1151 cache_entry.bad_password_count,
1152 PDB_SET);
1153 pdb_set_bad_password_time(sampass,
1154 cache_entry.bad_password_time,
1155 PDB_SET);
1156 }
1157
1158 ret = true;
1159
1160 fn_exit:
1161
1162 TALLOC_FREE(ctx);
1163 return ret;
1164 }
1165
1166 /**********************************************************************
1167 Initialize the ldap db from a struct samu. Called on update.
1168 (Based on init_buffer_from_sam in pdb_tdb.c)
1169 *********************************************************************/
1170
1171 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1172 LDAPMessage *existing,
1173 LDAPMod *** mods, struct samu * sampass,
1174 bool (*need_update)(const struct samu *,
1175 enum pdb_elements))
1176 {
1177 char *temp = NULL;
1178 uint32_t rid;
1179
1180 if (mods == NULL || sampass == NULL) {
1181 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1182 return False;
1183 }
1184
1185 *mods = NULL;
1186
1187 /*
1188 * took out adding "objectclass: sambaAccount"
1189 * do this on a per-mod basis
1190 */
1191 if (need_update(sampass, PDB_USERNAME)) {
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 "uid", pdb_get_username(sampass));
1194 if (ldap_state->is_nds_ldap) {
1195 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1196 "cn", pdb_get_username(sampass));
1197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1198 "sn", pdb_get_username(sampass));
1199 }
1200 }
1201
1202 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1203
1204 /* only update the RID if we actually need to */
1205 if (need_update(sampass, PDB_USERSID)) {
1206 fstring sid_string;
1207 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1208
1209 switch ( ldap_state->schema_ver ) {
1210 case SCHEMAVER_SAMBAACCOUNT:
1211 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1212 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1213 sid_string_dbg(user_sid),
1214 sid_string_dbg(
1215 &ldap_state->domain_sid)));
1216 return False;
1217 }
1218 if (asprintf(&temp, "%i", rid) < 0) {
1219 return false;
1220 }
1221 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1222 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1223 temp);
1224 SAFE_FREE(temp);
1225 break;
1226
1227 case SCHEMAVER_SAMBASAMACCOUNT:
1228 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1229 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1230 sid_to_fstring(sid_string, user_sid));
1231 break;
1232
1233 default:
1234 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1235 break;
1236 }
1237 }
1238
1239 /* we don't need to store the primary group RID - so leaving it
1240 'free' to hang off the unix primary group makes life easier */
1241
1242 if (need_update(sampass, PDB_GROUPSID)) {
1243 fstring sid_string;
1244 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1245
1246 switch ( ldap_state->schema_ver ) {
1247 case SCHEMAVER_SAMBAACCOUNT:
1248 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1249 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1250 sid_string_dbg(group_sid),
1251 sid_string_dbg(
1252 &ldap_state->domain_sid)));
1253 return False;
1254 }
1255
1256 if (asprintf(&temp, "%i", rid) < 0) {
1257 return false;
1258 }
1259 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1260 get_userattr_key2string(ldap_state->schema_ver,
1261 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1262 SAFE_FREE(temp);
1263 break;
1264
1265 case SCHEMAVER_SAMBASAMACCOUNT:
1266 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1267 get_userattr_key2string(ldap_state->schema_ver,
1268 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1269 break;
1270
1271 default:
1272 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1273 break;
1274 }
1275
1276 }
1277
1278 /* displayName, cn, and gecos should all be the same
1279 * most easily accomplished by giving them the same OID
1280 * gecos isn't set here b/c it should be handled by the
1281 * add-user script
1282 * We change displayName only and fall back to cn if
1283 * it does not exist.
1284 */
1285
1286 if (need_update(sampass, PDB_FULLNAME))
1287 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1288 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1289 pdb_get_fullname(sampass));
1290
1291 if (need_update(sampass, PDB_ACCTDESC))
1292 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1293 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1294 pdb_get_acct_desc(sampass));
1295
1296 if (need_update(sampass, PDB_WORKSTATIONS))
1297 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1298 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1299 pdb_get_workstations(sampass));
1300
1301 if (need_update(sampass, PDB_MUNGEDDIAL))
1302 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1304 pdb_get_munged_dial(sampass));
1305
1306 if (need_update(sampass, PDB_SMBHOME))
1307 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1308 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1309 pdb_get_homedir(sampass));
1310
1311 if (need_update(sampass, PDB_DRIVE))
1312 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1313 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1314 pdb_get_dir_drive(sampass));
1315
1316 if (need_update(sampass, PDB_LOGONSCRIPT))
1317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1318 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1319 pdb_get_logon_script(sampass));
1320
1321 if (need_update(sampass, PDB_PROFILE))
1322 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1323 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1324 pdb_get_profile_path(sampass));
1325
1326 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1327 return false;
1328 }
1329 if (need_update(sampass, PDB_LOGONTIME))
1330 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1331 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1332 SAFE_FREE(temp);
1333
1334 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1335 return false;
1336 }
1337 if (need_update(sampass, PDB_LOGOFFTIME))
1338 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1339 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1340 SAFE_FREE(temp);
1341
1342 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1343 return false;
1344 }
1345 if (need_update(sampass, PDB_KICKOFFTIME))
1346 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1347 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1348 SAFE_FREE(temp);
1349
1350 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1351 return false;
1352 }
1353 if (need_update(sampass, PDB_CANCHANGETIME))
1354 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1355 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1356 SAFE_FREE(temp);
1357
1358 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1359 return false;
1360 }
1361 if (need_update(sampass, PDB_MUSTCHANGETIME))
1362 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1363 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1364 SAFE_FREE(temp);
1365
1366 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1367 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1368
1369 if (need_update(sampass, PDB_LMPASSWD)) {
1370 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1371 if (lm_pw) {
1372 char pwstr[34];
1373 pdb_sethexpwd(pwstr, lm_pw,
1374 pdb_get_acct_ctrl(sampass));
1375 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1376 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1377 pwstr);
1378 } else {
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1380 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1381 NULL);
1382 }
1383 }
1384 if (need_update(sampass, PDB_NTPASSWD)) {
1385 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1386 if (nt_pw) {
1387 char pwstr[34];
1388 pdb_sethexpwd(pwstr, nt_pw,
1389 pdb_get_acct_ctrl(sampass));
1390 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1391 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1392 pwstr);
1393 } else {
1394 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1395 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1396 NULL);
1397 }
1398 }
1399
1400 if (need_update(sampass, PDB_PWHISTORY)) {
1401 char *pwstr = NULL;
1402 uint32_t pwHistLen = 0;
1403 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1404
1405 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1406 if (!pwstr) {
1407 return false;
1408 }
1409 if (pwHistLen == 0) {
1410 /* Remove any password history from the LDAP store. */
1411 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1412 pwstr[64] = '\0';
1413 } else {
1414 int i;
1415 uint32_t currHistLen = 0;
1416 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1417 if (pwhist != NULL) {
1418 /* We can only store (1024-1/64 password history entries. */
1419 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1420 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1421 /* Store the salt. */
1422 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1423 /* Followed by the md5 hash of salt + md4 hash */
1424 pdb_sethexpwd(&pwstr[(i*64)+32],
1425 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1426 DEBUG(100, ("pwstr=%s\n", pwstr));
1427 }
1428 }
1429 }
1430 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1431 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1432 pwstr);
1433 SAFE_FREE(pwstr);
1434 }
1435
1436 if (need_update(sampass, PDB_PASSLASTSET)) {
1437 if (asprintf(&temp, "%li",
1438 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1439 return false;
1440 }
1441 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1442 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1443 temp);
1444 SAFE_FREE(temp);
1445 }
1446 }
1447
1448 if (need_update(sampass, PDB_HOURS)) {
1449 const uint8 *hours = pdb_get_hours(sampass);
1450 if (hours) {
1451 char hourstr[44];
1452 pdb_sethexhours(hourstr, hours);
1453 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1454 existing,
1455 mods,
1456 get_userattr_key2string(ldap_state->schema_ver,
1457 LDAP_ATTR_LOGON_HOURS),
1458 hourstr);
1459 }
1460 }
1461
1462 if (need_update(sampass, PDB_ACCTCTRL))
1463 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1464 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1465 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1466
1467 /* password lockout cache:
1468 - If we are now autolocking or clearing, we write to ldap
1469 - If we are clearing, we delete the cache entry
1470 - If the count is > 0, we update the cache
1471
1472 This even means when autolocking, we cache, just in case the
1473 update doesn't work, and we have to cache the autolock flag */
1474
1475 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1476 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1477 uint16_t badcount = pdb_get_bad_password_count(sampass);
1478 time_t badtime = pdb_get_bad_password_time(sampass);
1479 uint32_t pol;
1480 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1481
1482 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1483 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1484
1485 if ((badcount >= pol) || (badcount == 0)) {
1486 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1487 (unsigned int)badcount, (unsigned int)badtime));
1488 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1489 return false;
1490 }
1491 smbldap_make_mod(
1492 ldap_state->smbldap_state->ldap_struct,
1493 existing, mods,
1494 get_userattr_key2string(
1495 ldap_state->schema_ver,
1496 LDAP_ATTR_BAD_PASSWORD_COUNT),
1497 temp);
1498 SAFE_FREE(temp);
1499
1500 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1501 return false;
1502 }
1503 smbldap_make_mod(
1504 ldap_state->smbldap_state->ldap_struct,
1505 existing, mods,
1506 get_userattr_key2string(
1507 ldap_state->schema_ver,
1508 LDAP_ATTR_BAD_PASSWORD_TIME),
1509 temp);
1510 SAFE_FREE(temp);
1511 }
1512 if (badcount == 0) {
1513 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1514 login_cache_delentry(sampass);
1515 } else {
1516 struct login_cache cache_entry;
1517
1518 cache_entry.entry_timestamp = time(NULL);
1519 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1520 cache_entry.bad_password_count = badcount;
1521 cache_entry.bad_password_time = badtime;
1522
1523 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1524 login_cache_write(sampass, &cache_entry);
1525 }
1526 }
1527
1528 return True;
1529 }
1530
1531 /**********************************************************************
1532 End enumeration of the LDAP password list.
1533 *********************************************************************/
1534
1535 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1536 {
1537 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1538 if (ldap_state->result) {
1539 ldap_msgfree(ldap_state->result);
1540 ldap_state->result = NULL;
1541 }
1542 }
1543
1544 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1545 const char *new_attr)
1546 {
1547 int i;
1548
1549 if (new_attr == NULL) {
1550 return;
1551 }
1552
1553 for (i=0; (*attr_list)[i] != NULL; i++) {
1554 ;
1555 }
1556
1557 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1558 const char *, i+2);
1559 SMB_ASSERT((*attr_list) != NULL);
1560 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1561 (*attr_list)[i+1] = NULL;
1562 }
1563
1564 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1565 const char ***attr_list)
1566 {
1567 append_attr(mem_ctx, attr_list, "uidNumber");
1568 append_attr(mem_ctx, attr_list, "gidNumber");
1569 append_attr(mem_ctx, attr_list, "homeDirectory");
1570 append_attr(mem_ctx, attr_list, "loginShell");
1571 append_attr(mem_ctx, attr_list, "gecos");
1572 }
1573
1574 /**********************************************************************
1575 Get struct samu entry from LDAP by username.
1576 *********************************************************************/
1577
1578 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1579 {
1580 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1581 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1582 LDAPMessage *result = NULL;
1583 LDAPMessage *entry = NULL;
1584 int count;
1585 const char ** attr_list;
1586 int rc;
1587
1588 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1589 append_attr(user, &attr_list,
1590 get_userattr_key2string(ldap_state->schema_ver,
1591 LDAP_ATTR_MOD_TIMESTAMP));
1592 ldapsam_add_unix_attributes(user, &attr_list);
1593 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1594 attr_list);
1595 TALLOC_FREE( attr_list );
1596
1597 if ( rc != LDAP_SUCCESS )
1598 return NT_STATUS_NO_SUCH_USER;
1599
1600 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1601
1602 if (count < 1) {
1603 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1604 ldap_msgfree(result);
1605 return NT_STATUS_NO_SUCH_USER;
1606 } else if (count > 1) {
1607 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1608 ldap_msgfree(result);
1609 return NT_STATUS_NO_SUCH_USER;
1610 }
1611
1612 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1613 if (entry) {
1614 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1615 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1616 ldap_msgfree(result);
1617 return NT_STATUS_NO_SUCH_USER;
1618 }
1619 pdb_set_backend_private_data(user, result, NULL,
1620 my_methods, PDB_CHANGED);
1621 talloc_autofree_ldapmsg(user, result);
1622 ret = NT_STATUS_OK;
1623 } else {
1624 ldap_msgfree(result);
1625 }
1626 return ret;
1627 }
1628
1629 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1630 const struct dom_sid *sid, LDAPMessage **result)
1631 {
1632 int rc = -1;
1633 const char ** attr_list;
1634 uint32_t rid;
1635
1636 switch ( ldap_state->schema_ver ) {
1637 case SCHEMAVER_SAMBASAMACCOUNT: {
1638 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1639 if (tmp_ctx == NULL) {
1640 return LDAP_NO_MEMORY;
1641 }
1642
1643 attr_list = get_userattr_list(tmp_ctx,
1644 ldap_state->schema_ver);
1645 append_attr(tmp_ctx, &attr_list,
1646 get_userattr_key2string(
1647 ldap_state->schema_ver,
1648 LDAP_ATTR_MOD_TIMESTAMP));
1649 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1650 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1651 result, attr_list);
1652 TALLOC_FREE(tmp_ctx);
1653
1654 if ( rc != LDAP_SUCCESS )
1655 return rc;
1656 break;
1657 }
1658
1659 case SCHEMAVER_SAMBAACCOUNT:
1660 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1661 return rc;
1662 }
1663
1664 attr_list = get_userattr_list(NULL,
1665 ldap_state->schema_ver);
1666 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1667 TALLOC_FREE( attr_list );
1668
1669 if ( rc != LDAP_SUCCESS )
1670 return rc;
1671 break;
1672 }
1673 return rc;
1674 }
1675
1676 /**********************************************************************
1677 Get struct samu entry from LDAP by SID.
1678 *********************************************************************/
1679
1680 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1681 {
1682 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1683 LDAPMessage *result = NULL;
1684 LDAPMessage *entry = NULL;
1685 int count;
1686 int rc;
1687
1688 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1689 sid, &result);
1690 if (rc != LDAP_SUCCESS)
1691 return NT_STATUS_NO_SUCH_USER;
1692
1693 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1694
1695 if (count < 1) {
1696 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1697 "count=%d\n", sid_string_dbg(sid), count));
1698 ldap_msgfree(result);
1699 return NT_STATUS_NO_SUCH_USER;
1700 } else if (count > 1) {
1701 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1702 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1703 count));
1704 ldap_msgfree(result);
1705 return NT_STATUS_NO_SUCH_USER;
1706 }
1707
1708 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1709 if (!entry) {
1710 ldap_msgfree(result);
1711 return NT_STATUS_NO_SUCH_USER;
1712 }
1713
1714 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1715 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1716 ldap_msgfree(result);
1717 return NT_STATUS_NO_SUCH_USER;
1718 }
1719
1720 pdb_set_backend_private_data(user, result, NULL,
1721 my_methods, PDB_CHANGED);
1722 talloc_autofree_ldapmsg(user, result);
1723 return NT_STATUS_OK;
1724 }
1725
1726 /********************************************************************
1727 Do the actual modification - also change a plaintext passord if
1728 it it set.
1729 **********************************************************************/
1730
1731 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1732 struct samu *newpwd, char *dn,
1733 LDAPMod **mods, int ldap_op,
1734 bool (*need_update)(const struct samu *, enum pdb_elements))
1735 {
1736 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1737 int rc;
1738
1739 if (!newpwd || !dn) {
1740 return NT_STATUS_INVALID_PARAMETER;
1741 }
1742
1743 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1744 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1745 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1746 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1747 BerElement *ber;
1748 struct berval *bv;
1749 char *retoid = NULL;
1750 struct berval *retdata = NULL;
1751 char *utf8_password;
1752 char *utf8_dn;
1753 size_t converted_size;
1754 int ret;
1755
1756 if (!ldap_state->is_nds_ldap) {
1757
1758 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1759 LDAP_EXOP_MODIFY_PASSWD)) {
1760 DEBUG(2, ("ldap password change requested, but LDAP "
1761 "server does not support it -- ignoring\n"));
1762 return NT_STATUS_OK;
1763 }
1764 }
1765
1766 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1767 pdb_get_plaintext_passwd(newpwd),
1768 &converted_size))
1769 {
1770 return NT_STATUS_NO_MEMORY;
1771 }
1772
1773 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1774 TALLOC_FREE(utf8_password);
1775 return NT_STATUS_NO_MEMORY;
1776 }
1777
1778 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1779 DEBUG(0,("ber_alloc_t returns NULL\n"));
1780 TALLOC_FREE(utf8_password);
1781 TALLOC_FREE(utf8_dn);
1782 return NT_STATUS_UNSUCCESSFUL;
1783 }
1784
1785 if ((ber_printf (ber, "{") < 0) ||
1786 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1787 utf8_dn) < 0)) {
1788 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1789 "value <0\n"));
1790 ber_free(ber,1);
1791 TALLOC_FREE(utf8_dn);
1792 TALLOC_FREE(utf8_password);
1793 return NT_STATUS_UNSUCCESSFUL;
1794 }
1795
1796 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1797 ret = ber_printf(ber, "ts}",
1798 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1799 utf8_password);
1800 } else {
1801 ret = ber_printf(ber, "}");
1802 }
1803
1804 if (ret < 0) {
1805 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1806 "value <0\n"));
1807 ber_free(ber,1);
1808 TALLOC_FREE(utf8_dn);
1809 TALLOC_FREE(utf8_password);
1810 return NT_STATUS_UNSUCCESSFUL;
1811 }
1812
1813 if ((rc = ber_flatten (ber, &bv))<0) {
1814 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1815 ber_free(ber,1);
1816 TALLOC_FREE(utf8_dn);
1817 TALLOC_FREE(utf8_password);
1818 return NT_STATUS_UNSUCCESSFUL;
1819 }
1820
1821 TALLOC_FREE(utf8_dn);
1822 TALLOC_FREE(utf8_password);
1823 ber_free(ber, 1);
1824
1825 if (!ldap_state->is_nds_ldap) {
1826 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1827 LDAP_EXOP_MODIFY_PASSWD,
1828 bv, NULL, NULL, &retoid,
1829 &retdata);
1830 } else {
1831 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1832 pdb_get_plaintext_passwd(newpwd));
1833 }
1834 if (rc != LDAP_SUCCESS) {
1835 char *ld_error = NULL;
1836
1837 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1838 DEBUG(3, ("Could not set userPassword "
1839 "attribute due to an objectClass "
1840 "violation -- ignoring\n"));
1841 ber_bvfree(bv);
1842 return NT_STATUS_OK;
1843 }
1844
1845 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1846 &ld_error);
1847 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1848 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1849 SAFE_FREE(ld_error);
1850 ber_bvfree(bv);
1851 #if defined(LDAP_CONSTRAINT_VIOLATION)
1852 if (rc == LDAP_CONSTRAINT_VIOLATION)
1853 return NT_STATUS_PASSWORD_RESTRICTION;
1854 #endif
1855 return NT_STATUS_UNSUCCESSFUL;
1856 } else {
1857 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1858 #ifdef DEBUG_PASSWORD
1859 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1860 #endif
1861 if (retdata)
1862 ber_bvfree(retdata);
1863 if (retoid)
1864 ldap_memfree(retoid);
1865 }
1866 ber_bvfree(bv);
1867 }
1868
1869 if (!mods) {
1870 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1871 /* may be password change below however */
1872 } else {
1873 switch(ldap_op) {
1874 case LDAP_MOD_ADD:
1875 if (ldap_state->is_nds_ldap) {
1876 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1877 "objectclass",
1878 "inetOrgPerson");
1879 } else {
1880 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1881 "objectclass",
1882 LDAP_OBJ_ACCOUNT);
1883 }
1884 rc = smbldap_add(ldap_state->smbldap_state,
1885 dn, mods);
1886 break;
1887 case LDAP_MOD_REPLACE:
1888 rc = smbldap_modify(ldap_state->smbldap_state,
1889 dn ,mods);
1890 break;
1891 default:
1892 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1893 ldap_op));
1894 return NT_STATUS_INVALID_PARAMETER;
1895 }
1896
1897 if (rc!=LDAP_SUCCESS) {
1898 return NT_STATUS_UNSUCCESSFUL;
1899 }
1900 }
1901
1902 return NT_STATUS_OK;
1903 }
1904
1905 /**********************************************************************
1906 Delete entry from LDAP for username.
1907 *********************************************************************/
1908
1909 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1910 struct samu * sam_acct)
1911 {
1912 struct ldapsam_privates *priv =
1913 (struct ldapsam_privates *)my_methods->private_data;
1914 const char *sname;
1915 int rc;
1916 LDAPMessage *msg, *entry;
1917 NTSTATUS result = NT_STATUS_NO_MEMORY;
1918 const char **attr_list;
1919 TALLOC_CTX *mem_ctx;
1920
1921 if (!sam_acct) {
1922 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1923 return NT_STATUS_INVALID_PARAMETER;
1924 }
1925
1926 sname = pdb_get_username(sam_acct);
1927
1928 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1929 "LDAP.\n", sname));
1930
1931 mem_ctx = talloc_new(NULL);
1932 if (mem_ctx == NULL) {
1933 DEBUG(0, ("talloc_new failed\n"));
1934 goto done;
1935 }
1936
1937 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1938 if (attr_list == NULL) {
1939 goto done;
1940 }
1941
1942 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1943
1944 if ((rc != LDAP_SUCCESS) ||
1945 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1946 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1947 DEBUG(5, ("Could not find user %s\n", sname));
1948 result = NT_STATUS_NO_SUCH_USER;
1949 goto done;
1950 }
1951
1952 rc = ldapsam_delete_entry(
1953 priv, mem_ctx, entry,
1954 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1955 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1956 attr_list);
1957
1958 result = (rc == LDAP_SUCCESS) ?
1959 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1960
1961 done:
1962 TALLOC_FREE(mem_ctx);
1963 return result;
1964 }
1965
1966 /**********************************************************************
1967 Helper function to determine for update_sam_account whether
1968 we need LDAP modification.
1969 *********************************************************************/
1970
1971 static bool element_is_changed(const struct samu *sampass,
1972 enum pdb_elements element)
1973 {
1974 return IS_SAM_CHANGED(sampass, element);
1975 }
1976
1977 /**********************************************************************
1978 Update struct samu.
1979 *********************************************************************/
1980
1981 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1982 {
1983 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1984 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1985 int rc = 0;
1986 char *dn;
1987 LDAPMessage *result = NULL;
1988 LDAPMessage *entry = NULL;
1989 LDAPMod **mods = NULL;
1990 const char **attr_list;
1991
1992 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1993 if (!result) {
1994 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1995 if (pdb_get_username(newpwd) == NULL) {
1996 return NT_STATUS_INVALID_PARAMETER;
1997 }
1998 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1999 TALLOC_FREE( attr_list );
2000 if (rc != LDAP_SUCCESS) {
2001 return NT_STATUS_UNSUCCESSFUL;
2002 }
2003 pdb_set_backend_private_data(newpwd, result, NULL,
2004 my_methods, PDB_CHANGED);
2005 talloc_autofree_ldapmsg(newpwd, result);
2006 }
2007
2008 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2009 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2010 return NT_STATUS_UNSUCCESSFUL;
2011 }
2012
2013 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2014 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2015 if (!dn) {
2016 return NT_STATUS_UNSUCCESSFUL;
2017 }
2018
2019 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2020
2021 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2022 element_is_changed)) {
2023 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2024 TALLOC_FREE(dn);
2025 if (mods != NULL)
2026 ldap_mods_free(mods,True);
2027 return NT_STATUS_UNSUCCESSFUL;
2028 }
2029
2030 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2031 && (mods == NULL)) {
2032 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2033 pdb_get_username(newpwd)));
2034 TALLOC_FREE(dn);
2035 return NT_STATUS_OK;
2036 }
2037
2038 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2039
2040 if (mods != NULL) {
2041 ldap_mods_free(mods,True);
2042 }
2043
2044 TALLOC_FREE(dn);
2045
2046 /*
2047 * We need to set the backend private data to NULL here. For example
2048 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2049 * same one, and with the explicit delete / add logic for attribute
2050 * values the second time we would use the wrong "old" value which
2051 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2052 * the update.
2053 * The existing LDAPMessage is still being auto-freed by the
2054 * destructor.
2055 */
2056 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2057 PDB_CHANGED);
2058
2059 if (!NT_STATUS_IS_OK(ret)) {
2060 return ret;
2061 }
2062
2063 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2064 pdb_get_username(newpwd)));
2065 return NT_STATUS_OK;
2066 }
2067
2068 /***************************************************************************
2069 Renames a struct samu
2070 - The "rename user script" has full responsibility for changing everything
2071 ***************************************************************************/
2072
2073 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2074 TALLOC_CTX *tmp_ctx,
2075 uint32_t group_rid,
2076 uint32_t member_rid);
2077
2078 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2079 TALLOC_CTX *mem_ctx,
2080 struct samu *user,
2081 struct dom_sid **pp_sids,
2082 gid_t **pp_gids,
2083 size_t *p_num_groups);
2084
2085 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2086 struct samu *old_acct,
2087 const char *newname)
2088 {
2089 const char *oldname;
2090 int rc;
2091 char *rename_script = NULL;
2092 fstring oldname_lower, newname_lower;
2093
2094 if (!old_acct) {
2095 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2096 return NT_STATUS_INVALID_PARAMETER;
2097 }
2098 if (!newname) {
2099 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2100 return NT_STATUS_INVALID_PARAMETER;
2101 }
2102
2103 oldname = pdb_get_username(old_acct);
2104
2105 /* rename the posix user */
2106 rename_script = SMB_STRDUP(lp_renameuser_script());
2107 if (rename_script == NULL) {
2108 return NT_STATUS_NO_MEMORY;
2109 }
2110
2111 if (!(*rename_script)) {
2112 SAFE_FREE(rename_script);
2113 return NT_STATUS_ACCESS_DENIED;
2114 }
2115
2116 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2117 oldname, newname));
2118
2119 /* We have to allow the account name to end with a '$'.
2120 Also, follow the semantics in _samr_create_user() and lower case the
2121 posix name but preserve the case in passdb */
2122
2123 fstrcpy( oldname_lower, oldname );
2124 strlower_m( oldname_lower );
2125 fstrcpy( newname_lower, newname );
2126 strlower_m( newname_lower );
2127 rename_script = realloc_string_sub2(rename_script,
2128 "%unew",
2129 newname_lower,
2130 true,
2131 true);
2132 if (!rename_script) {
2133 return NT_STATUS_NO_MEMORY;
2134 }
2135 rename_script = realloc_string_sub2(rename_script,
2136 "%uold",
2137 oldname_lower,
2138 true,
2139 true);
2140 rc = smbrun(rename_script, NULL);
2141
2142 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2143 rename_script, rc));
2144
2145 SAFE_FREE(rename_script);
2146
2147 if (rc == 0) {
2148 smb_nscd_flush_user_cache();
2149 }
2150
2151 if (rc)
2152 return NT_STATUS_UNSUCCESSFUL;
2153
2154 return NT_STATUS_OK;
2155 }
2156
2157 /**********************************************************************
2158 Helper function to determine for update_sam_account whether
2159 we need LDAP modification.
2160 *********************************************************************/
2161
2162 static bool element_is_set_or_changed(const struct samu *sampass,
2163 enum pdb_elements element)
2164 {
2165 return (IS_SAM_SET(sampass, element) ||
2166 IS_SAM_CHANGED(sampass, element));
2167 }
2168
2169 /**********************************************************************
2170 Add struct samu to LDAP.
2171 *********************************************************************/
2172
2173 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2174 {
2175 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2176 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2177 int rc;
2178 LDAPMessage *result = NULL;
2179 LDAPMessage *entry = NULL;
2180 LDAPMod **mods = NULL;
2181 int ldap_op = LDAP_MOD_REPLACE;
2182 uint32_t num_result;
2183 const char **attr_list;
2184 char *escape_user = NULL;
2185 const char *username = pdb_get_username(newpwd);
2186 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2187 char *filter = NULL;
2188 char *dn = NULL;
2189 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2190 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2191
2192 if (!ctx) {
2193 return NT_STATUS_NO_MEMORY;
2194 }
2195
2196 if (!username || !*username) {
2197 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2198 status = NT_STATUS_INVALID_PARAMETER;
2199 goto fn_exit;
2200 }
2201
2202 /* free this list after the second search or in case we exit on failure */
2203 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2204
2205 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2206
2207 if (rc != LDAP_SUCCESS) {
2208 goto fn_exit;
2209 }
2210
2211 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2212 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2213 username));
2214 goto fn_exit;
2215 }
2216 ldap_msgfree(result);
2217 result = NULL;
2218
2219 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2220 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2221 sid, &result);
2222 if (rc == LDAP_SUCCESS) {
2223 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2224 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2225 "already in the base, with samba "
2226 "attributes\n", sid_string_dbg(sid)));
2227 goto fn_exit;
2228 }
2229 ldap_msgfree(result);
2230 result = NULL;
2231 }
2232 }
2233
2234 /* does the entry already exist but without a samba attributes?
2235 we need to return the samba attributes here */
2236
2237 escape_user = escape_ldap_string(talloc_tos(), username);
2238 filter = talloc_strdup(attr_list, "(uid=%u)");
2239 if (!filter) {
2240 status = NT_STATUS_NO_MEMORY;
2241 goto fn_exit;
2242 }
2243 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2244 TALLOC_FREE(escape_user);
2245 if (!filter) {
2246 status = NT_STATUS_NO_MEMORY;
2247 goto fn_exit;
2248 }
2249
2250 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2251 filter, attr_list, &result);
2252 if ( rc != LDAP_SUCCESS ) {
2253 goto fn_exit;
2254 }
2255
2256 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2257
2258 if (num_result > 1) {
2259 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2260 goto fn_exit;
2261 }
2262
2263 /* Check if we need to update an existing entry */
2264 if (num_result == 1) {
2265 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2266 ldap_op = LDAP_MOD_REPLACE;
2267 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2268 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2269 if (!dn) {
2270 status = NT_STATUS_NO_MEMORY;
2271 goto fn_exit;
2272 }
2273
2274 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2275
2276 /* There might be a SID for this account already - say an idmap entry */
2277
2278 filter = talloc_asprintf(ctx,
2279 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2280 get_userattr_key2string(ldap_state->schema_ver,
2281 LDAP_ATTR_USER_SID),
2282 sid_string_talloc(ctx, sid),
2283 LDAP_OBJ_IDMAP_ENTRY,
2284 LDAP_OBJ_SID_ENTRY);
2285 if (!filter) {
2286 status = NT_STATUS_NO_MEMORY;
2287 goto fn_exit;
2288 }
2289
2290 /* free old result before doing a new search */
2291 if (result != NULL) {
2292 ldap_msgfree(result);
2293 result = NULL;
2294 }
2295 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2296 filter, attr_list, &result);
2297
2298 if ( rc != LDAP_SUCCESS ) {
2299 goto fn_exit;
2300 }
2301
2302 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2303
2304 if (num_result > 1) {
2305 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2306 goto fn_exit;
2307 }
2308
2309 /* Check if we need to update an existing entry */
2310 if (num_result == 1) {
2311
2312 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2313 ldap_op = LDAP_MOD_REPLACE;
2314 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2315 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2316 if (!dn) {
2317 status = NT_STATUS_NO_MEMORY;
2318 goto fn_exit;
2319 }
2320 }
2321 }
2322
2323 if (num_result == 0) {
2324 char *escape_username;
2325 /* Check if we need to add an entry */
2326 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2327 ldap_op = LDAP_MOD_ADD;
2328
2329 escape_username = escape_rdn_val_string_alloc(username);
2330 if (!escape_username) {
2331 status = NT_STATUS_NO_MEMORY;
2332 goto fn_exit;
2333 }
2334
2335 if (username[strlen(username)-1] == '$') {
2336 dn = talloc_asprintf(ctx,
2337 "uid=%s,%s",
2338 escape_username,
2339 lp_ldap_machine_suffix());
2340 } else {
2341 dn = talloc_asprintf(ctx,
2342 "uid=%s,%s",
2343 escape_username,
2344 lp_ldap_user_suffix());
2345 }
2346
2347 SAFE_FREE(escape_username);
2348 if (!dn) {
2349 status = NT_STATUS_NO_MEMORY;
2350 goto fn_exit;
2351 }
2352 }
2353
2354 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2355 element_is_set_or_changed)) {
2356 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2357 if (mods != NULL) {
2358 ldap_mods_free(mods, true);
2359 }
2360 goto fn_exit;
2361 }
2362
2363 if (mods == NULL) {
2364 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2365 goto fn_exit;
2366 }
2367 switch ( ldap_state->schema_ver ) {
2368 case SCHEMAVER_SAMBAACCOUNT:
2369 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2370 break;
2371 case SCHEMAVER_SAMBASAMACCOUNT:
2372 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2373 break;
2374 default:
2375 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2376 break;
2377 }
2378
2379 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2380 if (!NT_STATUS_IS_OK(ret)) {
2381 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2382 pdb_get_username(newpwd),dn));
2383 ldap_mods_free(mods, true);
2384 goto fn_exit;
2385 }
2386
2387 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2388 ldap_mods_free(mods, true);
2389
2390 status = NT_STATUS_OK;
2391
2392 fn_exit:
2393
2394 TALLOC_FREE(ctx);
2395 if (result) {
2396 ldap_msgfree(result);
2397 }
2398 return status;
2399 }
2400
2401 /**********************************************************************
2402 *********************************************************************/
2403
2404 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2405 const char *filter,
2406 LDAPMessage ** result)
2407 {
2408 int scope = LDAP_SCOPE_SUBTREE;
2409 int rc;
2410 const char **attr_list;
2411
2412 attr_list = get_attr_list(NULL, groupmap_attr_list);
2413 rc = smbldap_search(ldap_state->smbldap_state,
2414 lp_ldap_suffix (), scope,
2415 filter, attr_list, 0, result);
2416 TALLOC_FREE(attr_list);
2417
2418 return rc;
2419 }
2420
2421 /**********************************************************************
2422 *********************************************************************/
2423
2424 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2425 GROUP_MAP *map, LDAPMessage *entry)
2426 {
2427 char *temp = NULL;
2428 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2429
2430 if (ldap_state == NULL || map == NULL || entry == NULL ||
2431 ldap_state->smbldap_state->ldap_struct == NULL) {
2432 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2433 TALLOC_FREE(ctx);
2434 return false;
2435 }
2436
2437 temp = smbldap_talloc_single_attribute(
2438 ldap_state->smbldap_state->ldap_struct,
2439 entry,
2440 get_attr_key2string(groupmap_attr_list,
2441 LDAP_ATTR_GIDNUMBER),
2442 ctx);
2443 if (!temp) {
2444 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2445 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2446 TALLOC_FREE(ctx);
2447 return false;
2448 }
2449 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2450
2451 map->gid = (gid_t)atol(temp);
2452
2453 TALLOC_FREE(temp);
2454 temp = smbldap_talloc_single_attribute(
2455 ldap_state->smbldap_state->ldap_struct,
2456 entry,
2457 get_attr_key2string(groupmap_attr_list,
2458 LDAP_ATTR_GROUP_SID),
2459 ctx);
2460 if (!temp) {
2461 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2462 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2463 TALLOC_FREE(ctx);
2464 return false;
2465 }
2466
2467 if (!string_to_sid(&map->sid, temp)) {
2468 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2469 TALLOC_FREE(ctx);
2470 return false;
2471 }
2472
2473 TALLOC_FREE(temp);
2474 temp = smbldap_talloc_single_attribute(
2475 ldap_state->smbldap_state->ldap_struct,
2476 entry,
2477 get_attr_key2string(groupmap_attr_list,
2478 LDAP_ATTR_GROUP_TYPE),
2479 ctx);
2480 if (!temp) {
2481 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2482 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2483 TALLOC_FREE(ctx);
2484 return false;
2485 }
2486 map->sid_name_use = (enum lsa_SidType)atol(temp);
2487
2488 if ((map->sid_name_use < SID_NAME_USER) ||
2489 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2490 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2491 TALLOC_FREE(ctx);
2492 return false;
2493 }
2494
2495 TALLOC_FREE(temp);
2496 temp = smbldap_talloc_single_attribute(
2497 ldap_state->smbldap_state->ldap_struct,
2498 entry,
2499 get_attr_key2string(groupmap_attr_list,
2500 LDAP_ATTR_DISPLAY_NAME),
2501 ctx);
2502 if (!temp) {
2503 temp = smbldap_talloc_single_attribute(
2504 ldap_state->smbldap_state->ldap_struct,
2505 entry,
2506 get_attr_key2string(groupmap_attr_list,
2507 LDAP_ATTR_CN),
2508 ctx);
2509 if (!temp) {
2510 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2511 for gidNumber(%lu)\n",(unsigned long)map->gid));
2512 TALLOC_FREE(ctx);
2513 return false;
2514 }
2515 }
2516 fstrcpy(map->nt_name, temp);
2517
2518 TALLOC_FREE(temp);
2519 temp = smbldap_talloc_single_attribute(
2520 ldap_state->smbldap_state->ldap_struct,
2521 entry,
2522 get_attr_key2string(groupmap_attr_list,
2523 LDAP_ATTR_DESC),
2524 ctx);
2525 if (!temp) {
2526 temp = talloc_strdup(ctx, "");
2527 if (!temp) {
2528 TALLOC_FREE(ctx);
2529 return false;
2530 }
2531 }
2532 fstrcpy(map->comment, temp);
2533
2534 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2535 store_gid_sid_cache(&map->sid, map->gid);
2536 idmap_cache_set_sid2gid(&map->sid, map->gid);
2537 }
2538
2539 TALLOC_FREE(ctx);
2540 return true;
2541 }
2542
2543 /**********************************************************************
2544 *********************************************************************/
2545
2546 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2547 const char *filter,
2548 GROUP_MAP *map)
2549 {
2550 struct ldapsam_privates *ldap_state =
2551 (struct ldapsam_privates *)methods->private_data;
2552 LDAPMessage *result = NULL;
2553 LDAPMessage *entry = NULL;
2554 int count;
2555
2556 if (ldapsam_search_one_group(ldap_state, filter, &result)
2557 != LDAP_SUCCESS) {
2558 return NT_STATUS_NO_SUCH_GROUP;
2559 }
2560
2561 count = ldap_count_entries(priv2ld(ldap_state), result);
2562
2563 if (count < 1) {
2564 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2565 "%s\n", filter));
2566 ldap_msgfree(result);
2567 return NT_STATUS_NO_SUCH_GROUP;
2568 }
2569
2570 if (count > 1) {
2571 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2572 "count=%d\n", filter, count));
2573 ldap_msgfree(result);
2574 return NT_STATUS_NO_SUCH_GROUP;
2575 }
2576
2577 entry = ldap_first_entry(priv2ld(ldap_state), result);
2578
2579 if (!entry) {
2580 ldap_msgfree(result);
2581 return NT_STATUS_UNSUCCESSFUL;
2582 }
2583
2584 if (!init_group_from_ldap(ldap_state, map, entry)) {
2585 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2586 "group filter %s\n", filter));
2587 ldap_msgfree(result);
2588 return NT_STATUS_NO_SUCH_GROUP;
2589 }
2590
2591 ldap_msgfree(result);
2592 return NT_STATUS_OK;
2593 }
2594
2595 /**********************************************************************
2596 *********************************************************************/
2597
2598 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2599 struct dom_sid sid)
2600 {
2601 char *filter = NULL;
2602 NTSTATUS status;
2603 fstring tmp;
2604
2605 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2606 LDAP_OBJ_GROUPMAP,
2607 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2608 sid_to_fstring(tmp, &sid)) < 0) {
2609 return NT_STATUS_NO_MEMORY;
2610 }
2611
2612 status = ldapsam_getgroup(methods, filter, map);
2613 SAFE_FREE(filter);
2614 return status;
2615 }
2616
2617 /**********************************************************************
2618 *********************************************************************/
2619
2620 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2621 gid_t gid)
2622 {
2623 char *filter = NULL;
2624 NTSTATUS status;
2625
2626 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2627 LDAP_OBJ_GROUPMAP,
2628 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2629 (unsigned long)gid) < 0) {
2630 return NT_STATUS_NO_MEMORY;
2631 }
2632
2633 status = ldapsam_getgroup(methods, filter, map);
2634 SAFE_FREE(filter);
2635 return status;
2636 }
2637
2638 /**********************************************************************
2639 *********************************************************************/
2640
2641 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2642 const char *name)
2643 {
2644 char *filter = NULL;
2645 char *escape_name = escape_ldap_string(talloc_tos(), name);
2646 NTSTATUS status;
2647
2648 if (!escape_name) {
2649 return NT_STATUS_NO_MEMORY;
2650 }
2651
2652 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2653 LDAP_OBJ_GROUPMAP,
2654 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2655 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2656 escape_name) < 0) {
2657 TALLOC_FREE(escape_name);
2658 return NT_STATUS_NO_MEMORY;
2659 }
2660
2661 TALLOC_FREE(escape_name);
2662 status = ldapsam_getgroup(methods, filter, map);
2663 SAFE_FREE(filter);
2664 return status;
2665 }
2666
2667 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2668 LDAPMessage *entry,
2669 const struct dom_sid *domain_sid,
2670 uint32_t *rid)
2671 {
2672 fstring str;
2673 struct dom_sid sid;
2674
2675 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2676 str, sizeof(str)-1)) {
2677 DEBUG(10, ("Could not find sambaSID attribute\n"));
2678 return False;
2679 }
2680
2681 if (!string_to_sid(&sid, str)) {
2682 DEBUG(10, ("Could not convert string %s to sid\n", str));
2683 return False;
2684 }
2685
2686 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2687 DEBUG(10, ("SID %s is not in expected domain %s\n",
2688 str, sid_string_dbg(domain_sid)));
2689 return False;
2690 }
2691
2692 if (!sid_peek_rid(&sid, rid)) {
2693 DEBUG(10, ("Could not peek into RID\n"));
2694 return False;
2695 }
2696
2697 return True;
2698 }
2699
2700 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2701 TALLOC_CTX *mem_ctx,
2702 const struct dom_sid *group,
2703 uint32_t **pp_member_rids,
2704 size_t *p_num_members)
2705 {
2706 struct ldapsam_privates *ldap_state =
2707 (struct ldapsam_privates *)methods->private_data;
2708 struct smbldap_state *conn = ldap_state->smbldap_state;
2709 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2710 const char *sid_attrs[] = { "sambaSID", NULL };
2711 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2712 LDAPMessage *result = NULL;
2713 LDAPMessage *entry;
2714 char *filter;
2715 char **values = NULL;
2716 char **memberuid;
2717 char *gidstr;
2718 int rc, count;
2719
2720 *pp_member_rids = NULL;
2721 *p_num_members = 0;
2722
2723 filter = talloc_asprintf(mem_ctx,
2724 "(&(objectClass=%s)"
2725 "(objectClass=%s)"
2726 "(sambaSID=%s))",
2727 LDAP_OBJ_POSIXGROUP,
2728 LDAP_OBJ_GROUPMAP,
2729 sid_string_talloc(mem_ctx, group));
2730 if (filter == NULL) {
2731 ret = NT_STATUS_NO_MEMORY;
2732 goto done;
2733 }
2734
2735 rc = smbldap_search(conn, lp_ldap_suffix(),
2736 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2737 &result);
2738
2739 if (rc != LDAP_SUCCESS)
2740 goto done;
2741
2742 talloc_autofree_ldapmsg(mem_ctx, result);
2743
2744 count = ldap_count_entries(conn->ldap_struct, result);
2745
2746 if (count > 1) {
2747 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2748 sid_string_dbg(group)));
2749 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2750 goto done;
2751 }
2752
2753 if (count == 0) {
2754 ret = NT_STATUS_NO_SUCH_GROUP;
2755 goto done;
2756 }
2757
2758 entry = ldap_first_entry(conn->ldap_struct, result);
2759 if (entry == NULL)
2760 goto done;
2761
2762 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2763 if (!gidstr) {
2764 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2765 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2766 goto done;
2767 }
2768
2769 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2770
2771 if ((values != NULL) && (values[0] != NULL)) {
2772
2773 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2774 if (filter == NULL) {
2775 ret = NT_STATUS_NO_MEMORY;
2776 goto done;
2777 }
2778
2779 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2780 char *escape_memberuid;
2781
2782 escape_memberuid = escape_ldap_string(talloc_tos(),
2783 *memberuid);
2784 if (escape_memberuid == NULL) {
2785 ret = NT_STATUS_NO_MEMORY;
2786 goto done;
2787 }
2788
2789 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2790 TALLOC_FREE(escape_memberuid);
2791 if (filter == NULL) {
2792 ret = NT_STATUS_NO_MEMORY;
2793 goto done;
2794 }
2795 }
2796
2797 filter = talloc_asprintf_append_buffer(filter, "))");
2798 if (filter == NULL) {
2799 ret = NT_STATUS_NO_MEMORY;
2800 goto done;
2801 }
2802
2803 rc = smbldap_search(conn, lp_ldap_suffix(),
2804 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2805 &result);
2806
2807 if (rc != LDAP_SUCCESS)
2808 goto done;
2809
2810 count = ldap_count_entries(conn->ldap_struct, result);
2811 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2812
2813 talloc_autofree_ldapmsg(mem_ctx, result);
2814
2815 for (entry = ldap_first_entry(conn->ldap_struct, result);
2816 entry != NULL;
2817 entry = ldap_next_entry(conn->ldap_struct, entry))
2818 {
2819 char *sidstr;
2820 struct dom_sid sid;
2821 uint32_t rid;
2822
2823 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2824 entry, "sambaSID",
2825 mem_ctx);
2826 if (!sidstr) {
2827 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2828 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2829 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2830 goto done;
2831 }
2832
2833 if (!string_to_sid(&sid, sidstr))
2834 goto done;
2835
2836 if (!sid_check_is_in_our_domain(&sid)) {
2837 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2838 "in our domain\n"));
2839 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2840 goto done;
2841 }
2842
2843 sid_peek_rid(&sid, &rid);
2844
2845 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2846 p_num_members)) {
2847 ret = NT_STATUS_NO_MEMORY;
2848 goto done;
2849 }
2850 }
2851 }
2852
2853 filter = talloc_asprintf(mem_ctx,
2854 "(&(objectClass=%s)"
2855 "(gidNumber=%s))",
2856 LDAP_OBJ_SAMBASAMACCOUNT,
2857 gidstr);
2858
2859 rc = smbldap_search(conn, lp_ldap_suffix(),
2860 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2861 &result);
2862
2863 if (rc != LDAP_SUCCESS)
2864 goto done;
2865
2866 talloc_autofree_ldapmsg(mem_ctx, result);
2867
2868 for (entry = ldap_first_entry(conn->ldap_struct, result);
2869 entry != NULL;
2870 entry = ldap_next_entry(conn->ldap_struct, entry))
2871 {
2872 uint32_t rid;
2873
2874 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2875 entry,
2876 get_global_sam_sid(),
2877 &rid)) {
2878 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2879 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2880 goto done;
2881 }
2882
2883 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2884 p_num_members)) {
2885 ret = NT_STATUS_NO_MEMORY;
2886 goto done;
2887 }
2888 }
2889
2890 ret = NT_STATUS_OK;
2891
2892 done:
2893
2894 if (values)
2895 ldap_value_free(values);
2896
2897 return ret;
2898 }
2899
2900 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2901 TALLOC_CTX *mem_ctx,
2902 struct samu *user,
2903 struct dom_sid **pp_sids,
2904 gid_t **pp_gids,
2905 size_t *p_num_groups)
2906 {
2907 struct ldapsam_privates *ldap_state =
2908 (struct ldapsam_privates *)methods->private_data;
2909 struct smbldap_state *conn = ldap_state->smbldap_state;
2910 char *filter;
2911 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2912 char *escape_name;
2913 int rc, count;
2914 LDAPMessage *result = NULL;
2915 LDAPMessage *entry;
2916 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2917 uint32_t num_sids;
2918 size_t num_gids;
2919 char *gidstr;
2920 gid_t primary_gid = -1;
2921
2922 *pp_sids = NULL;
2923 num_sids = 0;
2924
2925 if (pdb_get_username(user) == NULL) {
2926 return NT_STATUS_INVALID_PARAMETER;
2927 }
2928
2929 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2930 if (escape_name == NULL)
2931 return NT_STATUS_NO_MEMORY;
2932
2933 if (user->unix_pw) {
2934 primary_gid = user->unix_pw->pw_gid;
2935 } else {
2936 /* retrieve the users primary gid */
2937 filter = talloc_asprintf(mem_ctx,
2938 "(&(objectClass=%s)(uid=%s))",
2939 LDAP_OBJ_SAMBASAMACCOUNT,
2940 escape_name);
2941 if (filter == NULL) {
2942 ret = NT_STATUS_NO_MEMORY;
2943 goto done;
2944 }
2945
2946 rc = smbldap_search(conn, lp_ldap_suffix(),
2947 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2948
2949 if (rc != LDAP_SUCCESS)
2950 goto done;
2951
2952 talloc_autofree_ldapmsg(mem_ctx, result);
2953
2954 count = ldap_count_entries(priv2ld(ldap_state), result);
2955
2956 switch (count) {
2957 case 0:
2958 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2959 ret = NT_STATUS_NO_SUCH_USER;
2960 goto done;
2961 case 1:
2962 entry = ldap_first_entry(priv2ld(ldap_state), result);
2963
2964 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2965 if (!gidstr) {
2966 DEBUG (1, ("Unable to find the member's gid!\n"));
2967 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2968 goto done;
2969 }
2970 primary_gid = strtoul(gidstr, NULL, 10);
2971 break;
2972 default:
2973 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2974 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2975 goto done;
2976 }
2977 }
2978
2979 filter = talloc_asprintf(mem_ctx,
2980 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2981 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2982 if (filter == NULL) {
2983 ret = NT_STATUS_NO_MEMORY;
2984 goto done;
2985 }
2986
2987 rc = smbldap_search(conn, lp_ldap_suffix(),
2988 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2989
2990 if (rc != LDAP_SUCCESS)
2991 goto done;
2992
2993 talloc_autofree_ldapmsg(mem_ctx, result);
2994
2995 num_gids = 0;
2996 *pp_gids = NULL;
2997
2998 num_sids = 0;
2999 *pp_sids = NULL;
3000
3001 /* We need to add the primary group as the first gid/sid */
3002
3003 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
3004 ret = NT_STATUS_NO_MEMORY;
3005 goto done;
3006 }
3007
3008 /* This sid will be replaced later */
3009
3010 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3011 &num_sids);
3012 if (!NT_STATUS_IS_OK(ret)) {
3013 goto done;
3014 }
3015
3016 for (entry = ldap_first_entry(conn->ldap_struct, result);
3017 entry != NULL;
3018 entry = ldap_next_entry(conn->ldap_struct, entry))
3019 {
3020 fstring str;
3021 struct dom_sid sid;
3022 gid_t gid;
3023 char *end;
3024
3025 if (!smbldap_get_single_attribute(conn->ldap_struct,
3026 entry, "sambaSID",
3027 str, sizeof(str)-1))
3028 continue;
3029
3030 if (!string_to_sid(&sid, str))
3031 goto done;
3032
3033 if (!smbldap_get_single_attribute(conn->ldap_struct,
3034 entry, "gidNumber",
3035 str, sizeof(str)-1))
3036 continue;
3037
3038 gid = strtoul(str, &end, 10);
3039
3040 if (PTR_DIFF(end, str) != strlen(str))
3041 goto done;
3042
3043 if (gid == primary_gid) {
3044 sid_copy(&(*pp_sids)[0], &sid);
3045 } else {
3046 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3047 &num_gids)) {
3048 ret = NT_STATUS_NO_MEMORY;
3049 goto done;
3050 }
3051 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3052 &num_sids);
3053 if (!NT_STATUS_IS_OK(ret)) {
3054 goto done;
3055 }
3056 }
3057 }
3058
3059 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3060 DEBUG(3, ("primary group of [%s] not found\n",
3061 pdb_get_username(user)));
3062 goto done;
3063 }
3064
3065 *p_num_groups = num_sids;
3066
3067 ret = NT_STATUS_OK;
3068
3069 done:
3070
3071 TALLOC_FREE(escape_name);
3072 return ret;
3073 }
3074
3075 /**********************************************************************
3076 * Augment a posixGroup object with a sambaGroupMapping domgroup
3077 *********************************************************************/
3078
3079 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3080 struct ldapsam_privates *ldap_state,
3081 GROUP_MAP *map)
3082 {
3083 const char *filter, *dn;
3084 LDAPMessage *msg, *entry;
3085 LDAPMod **mods;
3086 int rc;
3087
3088 filter = talloc_asprintf(mem_ctx,
3089 "(&(objectClass=%s)(gidNumber=%u))",
3090 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3091 if (filter == NULL) {
3092 return NT_STATUS_NO_MEMORY;
3093 }
3094
3095 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3096 get_attr_list(mem_ctx, groupmap_attr_list),
3097 &msg);
3098 talloc_autofree_ldapmsg(mem_ctx, msg);
3099
3100 if ((rc != LDAP_SUCCESS) ||
3101 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3102 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3103 return NT_STATUS_NO_SUCH_GROUP;
3104 }
3105
3106 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3107 if (dn == NULL) {
3108 return NT_STATUS_NO_MEMORY;
3109 }
3110
3111 mods = NULL;
3112 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3113 LDAP_OBJ_GROUPMAP);
3114 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3115 sid_string_talloc(mem_ctx, &map->sid));
3116 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3117 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3119 map->nt_name);
3120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3121 map->comment);
3122 talloc_autofree_ldapmod(mem_ctx, mods);
3123
3124 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3125 if (rc != LDAP_SUCCESS) {
3126 return NT_STATUS_ACCESS_DENIED;
3127 }
3128
3129 return NT_STATUS_OK;
3130 }
3131
3132 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3133 GROUP_MAP *map)
3134 {
3135 struct ldapsam_privates *ldap_state =
3136 (struct ldapsam_privates *)methods->private_data;
3137 LDAPMessage *msg = NULL;
3138 LDAPMod **mods = NULL;
3139 const char *attrs[] = { NULL };
3140 char *filter;
3141
3142 char *dn;
3143 TALLOC_CTX *mem_ctx;
3144 NTSTATUS result;
3145
3146 struct dom_sid sid;
3147
3148 int rc;
3149
3150 mem_ctx = talloc_new(NULL);
3151 if (mem_ctx == NULL) {
3152 DEBUG(0, ("talloc_new failed\n"));
3153 return NT_STATUS_NO_MEMORY;
3154 }
3155
3156 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3157 sid_string_talloc(mem_ctx, &map->sid));
3158 if (filter == NULL) {
3159 result = NT_STATUS_NO_MEMORY;
3160 goto done;
3161 }
3162
3163 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3164 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3165 talloc_autofree_ldapmsg(mem_ctx, msg);
3166
3167 if ((rc == LDAP_SUCCESS) &&
3168 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3169
3170 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3171 "group mapping entry\n", sid_string_dbg(&map->sid)));
3172 result = NT_STATUS_GROUP_EXISTS;
3173 goto done;
3174 }
3175
3176 switch (map->sid_name_use) {
3177
3178 case SID_NAME_DOM_GRP:
3179 /* To map a domain group we need to have a posix group
3180 to attach to. */
3181 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3182 goto done;
3183 break;
3184
3185 case SID_NAME_ALIAS:
3186 if (!sid_check_is_in_our_domain(&map->sid)
3187 && !sid_check_is_in_builtin(&map->sid) )
3188 {
3189 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3190 sid_string_dbg(&map->sid)));
3191 result = NT_STATUS_INVALID_PARAMETER;
3192 goto done;
3193 }
3194 break;
3195
3196 default:
3197 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3198 sid_type_lookup(map->sid_name_use)));
3199 result = NT_STATUS_INVALID_PARAMETER;
3200 goto done;
3201 }
3202
3203 /* Domain groups have been mapped in a separate routine, we have to
3204 * create an alias now */
3205
3206 if (map->gid == -1) {
3207 DEBUG(10, ("Refusing to map gid==-1\n"));
3208 result = NT_STATUS_INVALID_PARAMETER;
3209 goto done;
3210 }
3211
3212 if (pdb_gid_to_sid(map->gid, &sid)) {
3213 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3214 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3215 result = NT_STATUS_GROUP_EXISTS;
3216 goto done;
3217 }
3218
3219 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3220 * the best we can get out of LDAP. */
3221
3222 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3223 sid_string_talloc(mem_ctx, &map->sid),
3224 lp_ldap_group_suffix());
3225 if (dn == NULL) {
3226 result = NT_STATUS_NO_MEMORY;
3227 goto done;
3228 }
3229
3230 mods = NULL;
3231
3232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3233 LDAP_OBJ_SID_ENTRY);
3234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3235 LDAP_OBJ_GROUPMAP);
3236 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3237 sid_string_talloc(mem_ctx, &map->sid));
3238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3239 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3241 map->nt_name);
3242 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3243 map->comment);
3244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3245 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3246 talloc_autofree_ldapmod(mem_ctx, mods);
3247
3248 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3249
3250 result = (rc == LDAP_SUCCESS) ?
3251 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3252
3253 done:
3254 TALLOC_FREE(mem_ctx);
3255 return result;
3256 }
3257
3258 /**********************************************************************
3259 * Update a group mapping entry. We're quite strict about what can be changed:
3260 * Only the description and displayname may be changed. It simply does not
3261 * make any sense to change the SID, gid or the type in a mapping.
3262 *********************************************************************/
3263
3264 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3265 GROUP_MAP *map)
3266 {
3267 struct ldapsam_privates *ldap_state =
3268 (struct ldapsam_privates *)methods->private_data;
3269 int rc;
3270 const char *filter, *dn;
3271 LDAPMessage *msg = NULL;
3272 LDAPMessage *entry = NULL;
3273 LDAPMod **mods = NULL;
3274 TALLOC_CTX *mem_ctx;
3275 NTSTATUS result;
3276
3277 mem_ctx = talloc_new(NULL);
3278 if (mem_ctx == NULL) {
3279 DEBUG(0, ("talloc_new failed\n"));
3280 return NT_STATUS_NO_MEMORY;
3281 }
3282
3283 /* Make 100% sure that sid, gid and type are not changed by looking up
3284 * exactly the values we're given in LDAP. */
3285
3286 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3287 "(sambaSid=%s)(gidNumber=%u)"
3288 "(sambaGroupType=%d))",
3289 LDAP_OBJ_GROUPMAP,
3290 sid_string_talloc(mem_ctx, &map->sid),
3291 (unsigned int)map->gid, map->sid_name_use);
3292 if (filter == NULL) {
3293 result = NT_STATUS_NO_MEMORY;
3294 goto done;
3295 }
3296
3297 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3298 get_attr_list(mem_ctx, groupmap_attr_list),
3299 &msg);
3300 talloc_autofree_ldapmsg(mem_ctx, msg);
3301
3302 if ((rc != LDAP_SUCCESS) ||
3303 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3304 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3305 result = NT_STATUS_NO_SUCH_GROUP;
3306 goto done;
3307 }
3308
3309 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3310
3311 if (dn == NULL) {
3312 result = NT_STATUS_NO_MEMORY;
3313 goto done;
3314 }
3315
3316 mods = NULL;
3317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3318 map->nt_name);
3319 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3320 map->comment);
3321 talloc_autofree_ldapmod(mem_ctx, mods);
3322
3323 if (mods == NULL) {
3324 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3325 "nothing to do\n"));
3326 result = NT_STATUS_OK;
3327 goto done;
3328 }
3329
3330 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3331
3332 if (rc != LDAP_SUCCESS) {
3333 result = NT_STATUS_ACCESS_DENIED;
3334 goto done;
3335 }
3336
3337 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3338 "group %lu in LDAP\n", (unsigned long)map->gid));
3339
3340 result = NT_STATUS_OK;
3341
3342 done:
3343 TALLOC_FREE(mem_ctx);
3344 return result;
3345 }
3346
3347 /**********************************************************************
3348 *********************************************************************/
3349
3350 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3351 struct dom_sid sid)
3352 {
3353 struct ldapsam_privates *priv =
3354 (struct ldapsam_privates *)methods->private_data;
3355 LDAPMessage *msg, *entry;
3356 int rc;
3357 NTSTATUS result;
3358 TALLOC_CTX *mem_ctx;
3359 char *filter;
3360
3361 mem_ctx = talloc_new(NULL);
3362 if (mem_ctx == NULL) {
3363 DEBUG(0, ("talloc_new failed\n"));
3364 return NT_STATUS_NO_MEMORY;
3365 }
3366
3367 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3368 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3369 sid_string_talloc(mem_ctx, &sid));
3370 if (filter == NULL) {
3371 result = NT_STATUS_NO_MEMORY;
3372 goto done;
3373 }
3374 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3375 get_attr_list(mem_ctx, groupmap_attr_list),
3376 &msg);
3377 talloc_autofree_ldapmsg(mem_ctx, msg);
3378
3379 if ((rc != LDAP_SUCCESS) ||
3380 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3381 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3382 result = NT_STATUS_NO_SUCH_GROUP;
3383 goto done;
3384 }
3385
3386 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3387 get_attr_list(mem_ctx,
3388 groupmap_attr_list_to_delete));
3389
3390 if ((rc == LDAP_NAMING_VIOLATION) ||
3391 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3392 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3393 const char *attrs[] = { "sambaGroupType", "description",
3394 "displayName", "sambaSIDList",
3395 NULL };
3396
3397 /* Second try. Don't delete the sambaSID attribute, this is
3398 for "old" entries that are tacked on a winbind
3399 sambaIdmapEntry. */
3400
3401 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3402 LDAP_OBJ_GROUPMAP, attrs);
3403 }
3404
3405 if ((rc == LDAP_NAMING_VIOLATION) ||
3406 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3407 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3408 const char *attrs[] = { "sambaGroupType", "description",
3409 "displayName", "sambaSIDList",
3410 "gidNumber", NULL };
3411
3412 /* Third try. This is a post-3.0.21 alias (containing only
3413 * sambaSidEntry and sambaGroupMapping classes), we also have
3414 * to delete the gidNumber attribute, only the sambaSidEntry
3415 * remains */
3416
3417 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3418 LDAP_OBJ_GROUPMAP, attrs);
3419 }
3420
3421 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3422
3423 done:
3424 TALLOC_FREE(mem_ctx);
3425 return result;
3426 }
3427
3428 /**********************************************************************
3429 *********************************************************************/
3430
3431 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3432 bool update)
3433 {
3434 struct ldapsam_privates *ldap_state =
3435 (struct ldapsam_privates *)my_methods->private_data;
3436 char *filter = NULL;
3437 int rc;
3438 const char **attr_list;
3439
3440 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3441 if (!filter) {
3442 return NT_STATUS_NO_MEMORY;
3443 }
3444 attr_list = get_attr_list( NULL, groupmap_attr_list );
3445 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3446 LDAP_SCOPE_SUBTREE, filter,
3447 attr_list, 0, &ldap_state->result);
3448 TALLOC_FREE(attr_list);
3449
3450 if (rc != LDAP_SUCCESS) {
3451 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3452 ldap_err2string(rc)));
3453 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3454 lp_ldap_suffix(), filter));
3455 ldap_msgfree(ldap_state->result);
3456 ldap_state->result = NULL;
3457 TALLOC_FREE(filter);
3458 return NT_STATUS_UNSUCCESSFUL;
3459 }
3460
3461 TALLOC_FREE(filter);
3462
3463 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3464 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3465 ldap_state->result)));
3466
3467 ldap_state->entry =
3468 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3469 ldap_state->result);
3470 ldap_state->index = 0;
3471
3472 return NT_STATUS_OK;
3473 }
3474
3475 /**********************************************************************
3476 *********************************************************************/
3477
3478 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3479 {
3480 ldapsam_endsampwent(my_methods);
3481 }
3482
3483 /**********************************************************************
3484 *********************************************************************/
3485
3486 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3487 GROUP_MAP *map)
3488 {
3489 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3490 struct ldapsam_privates *ldap_state =
3491 (struct ldapsam_privates *)my_methods->private_data;
3492 bool bret = False;
3493
3494 while (!bret) {
3495 if (!ldap_state->entry)
3496 return ret;
3497
3498 ldap_state->index++;
3499 bret = init_group_from_ldap(ldap_state, map,
3500 ldap_state->entry);
3501
3502 ldap_state->entry =
3503 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3504 ldap_state->entry);
3505 }
3506
3507 return NT_STATUS_OK;
3508 }
3509
3510 /**********************************************************************
3511 *********************************************************************/
3512
3513 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3514 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3515 GROUP_MAP **pp_rmap,
3516 size_t *p_num_entries,
3517 bool unix_only)
3518 {
3519 GROUP_MAP map;
3520 size_t entries = 0;
3521
3522 *p_num_entries = 0;
3523 *pp_rmap = NULL;
3524
3525 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3526 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3527 "passdb\n"));
3528 return NT_STATUS_ACCESS_DENIED;
3529 }
3530
3531 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3532 if (sid_name_use != SID_NAME_UNKNOWN &&
3533 sid_name_use != map.sid_name_use) {
3534 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3535 "not of the requested type\n", map.nt_name));
3536 continue;
3537 }
3538 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3539 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3540 "non mapped\n", map.nt_name));
3541 continue;
3542 }
3543
3544 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3545 if (!(*pp_rmap)) {
3546 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3547 "enlarge group map!\n"));
3548 return NT_STATUS_UNSUCCESSFUL;
3549 }
3550
3551 (*pp_rmap)[entries] = map;
3552
3553 entries += 1;
3554
3555 }
3556 ldapsam_endsamgrent(methods);
3557
3558 *p_num_entries = entries;
3559
3560 return NT_STATUS_OK;
3561 }
3562
3563 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3564 const struct dom_sid *alias,
3565 const struct dom_sid *member,
3566 int modop)
3567 {
3568 struct ldapsam_privates *ldap_state =
3569 (struct ldapsam_privates *)methods->private_data;
3570 char *dn = NULL;
3571 LDAPMessage *result = NULL;
3572 LDAPMessage *entry = NULL;
3573 int count;
3574 LDAPMod **mods = NULL;
3575 int rc;
3576 enum lsa_SidType type = SID_NAME_USE_NONE;
3577 fstring tmp;
3578
3579 char *filter = NULL;
3580
3581 if (sid_check_is_in_builtin(alias)) {
3582 type = SID_NAME_ALIAS;
3583 }
3584
3585 if (sid_check_is_in_our_domain(alias)) {
3586 type = SID_NAME_ALIAS;
3587 }
3588
3589 if (type == SID_NAME_USE_NONE) {
3590 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3591 sid_string_dbg(alias)));
3592 return NT_STATUS_NO_SUCH_ALIAS;
3593 }
3594
3595 if (asprintf(&filter,
3596 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3597 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3598 type) < 0) {
3599 return NT_STATUS_NO_MEMORY;
3600 }
3601
3602 if (ldapsam_search_one_group(ldap_state, filter,
3603 &result) != LDAP_SUCCESS) {
3604 SAFE_FREE(filter);
3605 return NT_STATUS_NO_SUCH_ALIAS;
3606 }
3607
3608 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3609 result);
3610
3611 if (count < 1) {
3612 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3613 ldap_msgfree(result);
3614 SAFE_FREE(filter);
3615 return NT_STATUS_NO_SUCH_ALIAS;
3616 }
3617
3618 if (count > 1) {
3619 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3620 "filter %s: count=%d\n", filter, count));
3621 ldap_msgfree(result);
3622 SAFE_FREE(filter);
3623 return NT_STATUS_NO_SUCH_ALIAS;
3624 }
3625
3626 SAFE_FREE(filter);
3627
3628 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3629 result);
3630
3631 if (!entry) {
3632 ldap_msgfree(result);
3633 return NT_STATUS_UNSUCCESSFUL;
3634 }
3635
3636 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3637 if (!dn) {
3638 ldap_msgfree(result);
3639 return NT_STATUS_UNSUCCESSFUL;
3640 }
3641
3642 smbldap_set_mod(&mods, modop,
3643 get_attr_key2string(groupmap_attr_list,
3644 LDAP_ATTR_SID_LIST),
3645 sid_to_fstring(tmp, member));
3646
3647 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3648
3649 ldap_mods_free(mods, True);
3650 ldap_msgfree(result);
3651 TALLOC_FREE(dn);
3652
3653 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3654 return NT_STATUS_MEMBER_IN_ALIAS;
3655 }
3656
3657 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3658 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3659 }
3660
3661 if (rc != LDAP_SUCCESS) {
3662 return NT_STATUS_UNSUCCESSFUL;
3663 }
3664
3665 return NT_STATUS_OK;
3666 }
3667
3668 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3669 const struct dom_sid *alias,
3670 const struct dom_sid *member)
3671 {
3672 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3673 }
3674
3675 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3676 const struct dom_sid *alias,
3677 const struct dom_sid *member)
3678 {
3679 return ldapsam_modify_aliasmem(methods, alias, member,
3680 LDAP_MOD_DELETE);
3681 }
3682
3683 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3684 const struct dom_sid *alias,
3685 TALLOC_CTX *mem_ctx,
3686 struct dom_sid **pp_members,
3687 size_t *p_num_members)
3688 {
3689 struct ldapsam_privates *ldap_state =
3690 (struct ldapsam_privates *)methods->private_data;
3691 LDAPMessage *result = NULL;
3692 LDAPMessage *entry = NULL;
3693 int count;
3694 char **values = NULL;
3695 int i;
3696 char *filter = NULL;
3697 uint32_t num_members = 0;
3698 enum lsa_SidType type = SID_NAME_USE_NONE;
3699 fstring tmp;
3700
3701 *pp_members = NULL;
3702 *p_num_members = 0;
3703
3704 if (sid_check_is_in_builtin(alias)) {
3705 type = SID_NAME_ALIAS;
3706 }
3707
3708 if (sid_check_is_in_our_domain(alias)) {
3709 type = SID_NAME_ALIAS;
3710 }
3711
3712 if (type == SID_NAME_USE_NONE) {
3713 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3714 sid_string_dbg(alias)));
3715 return NT_STATUS_NO_SUCH_ALIAS;
3716 }
3717
3718 if (asprintf(&filter,
3719 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3720 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3721 type) < 0) {
3722 return NT_STATUS_NO_MEMORY;
3723 }
3724
3725 if (ldapsam_search_one_group(ldap_state, filter,
3726 &result) != LDAP_SUCCESS) {
3727 SAFE_FREE(filter);
3728 return NT_STATUS_NO_SUCH_ALIAS;
3729 }
3730
3731 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3732 result);
3733
3734 if (count < 1) {
3735 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3736 ldap_msgfree(result);
3737 SAFE_FREE(filter);
3738 return NT_STATUS_NO_SUCH_ALIAS;
3739 }
3740
3741 if (count > 1) {
3742 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3743 "filter %s: count=%d\n", filter, count));
3744 ldap_msgfree(result);
3745 SAFE_FREE(filter);
3746 return NT_STATUS_NO_SUCH_ALIAS;
3747 }
3748
3749 SAFE_FREE(filter);
3750
3751 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3752 result);
3753
3754 if (!entry) {
3755 ldap_msgfree(result);
3756 return NT_STATUS_UNSUCCESSFUL;
3757 }
3758
3759 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3760 entry,
3761 get_attr_key2string(groupmap_attr_list,
3762 LDAP_ATTR_SID_LIST));
3763
3764 if (values == NULL) {
3765 ldap_msgfree(result);
3766 return NT_STATUS_OK;
3767 }
3768
3769 count = ldap_count_values(values);
3770
3771 for (i=0; i<count; i++) {
3772 struct dom_sid member;
3773 NTSTATUS status;
3774
3775 if (!string_to_sid(&member, values[i]))
3776 continue;
3777
3778 status = add_sid_to_array(mem_ctx, &member, pp_members,
3779 &num_members);
3780 if (!NT_STATUS_IS_OK(status)) {
3781 ldap_value_free(values);
3782 ldap_msgfree(result);
3783 return status;
3784 }
3785 }
3786
3787 *p_num_members = num_members;
3788 ldap_value_free(values);
3789 ldap_msgfree(result);
3790
3791 return NT_STATUS_OK;
3792 }
3793
3794 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3795 TALLOC_CTX *mem_ctx,
3796 const struct dom_sid *domain_sid,
3797 const struct dom_sid *members,
3798 size_t num_members,
3799 uint32_t **pp_alias_rids,
3800 size_t *p_num_alias_rids)
3801 {
3802 struct ldapsam_privates *ldap_state =
3803 (struct ldapsam_privates *)methods->private_data;
3804 LDAP *ldap_struct;
3805
3806 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3807
3808 LDAPMessage *result = NULL;
3809 LDAPMessage *entry = NULL;
3810 int i;
3811 int rc;
3812 char *filter;
3813 enum lsa_SidType type = SID_NAME_USE_NONE;
3814 bool is_builtin = false;
3815 bool sid_added = false;
3816
3817 *pp_alias_rids = NULL;
3818 *p_num_alias_rids = 0;
3819
3820 if (sid_check_is_builtin(domain_sid)) {
3821 is_builtin = true;
3822 type = SID_NAME_ALIAS;
3823 }
3824
3825 if (sid_check_is_domain(domain_sid)) {
3826 type = SID_NAME_ALIAS;
3827 }
3828
3829 if (type == SID_NAME_USE_NONE) {
3830 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3831 sid_string_dbg(domain_sid)));
3832 return NT_STATUS_UNSUCCESSFUL;
3833 }
3834
3835 if (num_members == 0) {
3836 return NT_STATUS_OK;
3837 }
3838
3839 filter = talloc_asprintf(mem_ctx,
3840 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3841 LDAP_OBJ_GROUPMAP, type);
3842
3843 for (i=0; i<num_members; i++)
3844 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3845 filter,
3846 sid_string_talloc(mem_ctx,
3847 &members[i]));
3848
3849 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3850
3851 if (filter == NULL) {
3852 return NT_STATUS_NO_MEMORY;
3853 }
3854
3855 if (is_builtin &&
3856 ldap_state->search_cache.filter &&
3857 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3858 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3859 result = ldap_state->search_cache.result;
3860 ldap_state->search_cache.result = NULL;
3861 } else {
3862 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3863 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3864 if (rc != LDAP_SUCCESS) {
3865 return NT_STATUS_UNSUCCESSFUL;
3866 }
3867 talloc_autofree_ldapmsg(filter, result);
3868 }
3869
3870 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3871
3872 for (entry = ldap_first_entry(ldap_struct, result);
3873 entry != NULL;
3874 entry = ldap_next_entry(ldap_struct, entry))
3875 {
3876 fstring sid_str;
3877 struct dom_sid sid;
3878 uint32_t rid;
3879
3880 if (!smbldap_get_single_attribute(ldap_struct, entry,
3881 LDAP_ATTRIBUTE_SID,
3882 sid_str,
3883 sizeof(sid_str)-1))
3884 continue;
3885
3886 if (!string_to_sid(&sid, sid_str))
3887 continue;
3888
3889 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3890 continue;
3891
3892 sid_added = true;
3893
3894 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3895 p_num_alias_rids)) {
3896 return NT_STATUS_NO_MEMORY;
3897 }
3898 }
3899
3900 if (!is_builtin && !sid_added) {
3901 TALLOC_FREE(ldap_state->search_cache.filter);
3902 /*
3903 * Note: result is a talloc child of filter because of the
3904 * talloc_autofree_ldapmsg() usage
3905 */
3906 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3907 ldap_state->search_cache.result = result;
3908 }
3909
3910 return NT_STATUS_OK;
3911 }
3912
3913 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3914 enum pdb_policy_type type,
3915 uint32_t value)
3916 {
3917 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3918 int rc;
3919 LDAPMod **mods = NULL;
3920 fstring value_string;
3921 const char *policy_attr = NULL;
3922
3923 struct ldapsam_privates *ldap_state =
3924 (struct ldapsam_privates *)methods->private_data;
3925
3926 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3927
3928 if (!ldap_state->domain_dn) {
3929 return NT_STATUS_INVALID_PARAMETER;
3930 }
3931
3932 policy_attr = get_account_policy_attr(type);
3933 if (policy_attr == NULL) {
3934 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3935 "policy\n"));
3936 return ntstatus;
3937 }
3938
3939 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3940
3941 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3942
3943 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3944 mods);
3945
3946 ldap_mods_free(mods, True);
3947
3948 if (rc != LDAP_SUCCESS) {
3949 return ntstatus;
3950 }
3951
3952 if (!cache_account_policy_set(type, value)) {
3953 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3954 "update local tdb cache\n"));
3955 return ntstatus;
3956 }
3957
3958 return NT_STATUS_OK;
3959 }
3960
3961 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3962 enum pdb_policy_type type,
3963 uint32_t value)
3964 {
3965 return ldapsam_set_account_policy_in_ldap(methods, type,
3966 value);
3967 }
3968
3969 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3970 enum pdb_policy_type type,
3971 uint32_t *value)
3972 {
3973 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3974 LDAPMessage *result = NULL;
3975 LDAPMessage *entry = NULL;
3976 int count;
3977 int rc;
3978 char **vals = NULL;
3979 char *filter;
3980 const char *policy_attr = NULL;
3981
3982 struct ldapsam_privates *ldap_state =
3983 (struct ldapsam_privates *)methods->private_data;
3984
3985 const char *attrs[2];
3986
3987 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3988
3989 if (!ldap_state->domain_dn) {
3990 return NT_STATUS_INVALID_PARAMETER;
3991 }
3992
3993 policy_attr = get_account_policy_attr(type);
3994 if (!policy_attr) {
3995 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3996 "policy index: %d\n", type));
3997 return ntstatus;
3998 }
3999
4000 attrs[0] = policy_attr;
4001 attrs[1] = NULL;
4002
4003 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
4004 if (filter == NULL) {
4005 return NT_STATUS_NO_MEMORY;
4006 }
4007 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4008 LDAP_SCOPE_BASE, filter, attrs, 0,
4009 &result);
4010 TALLOC_FREE(filter);
4011 if (rc != LDAP_SUCCESS) {
4012 return ntstatus;
4013 }
4014
4015 count = ldap_count_entries(priv2ld(ldap_state), result);
4016 if (count < 1) {
4017 goto out;
4018 }
4019
4020 entry = ldap_first_entry(priv2ld(ldap_state), result);
4021 if (entry == NULL) {
4022 goto out;
4023 }
4024
4025 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4026 if (vals == NULL) {
4027 goto out;
4028 }
4029
4030 *value = (uint32_t)atol(vals[0]);
4031
4032 ntstatus = NT_STATUS_OK;
4033
4034 out:
4035 if (vals)
4036 ldap_value_free(vals);
4037 ldap_msgfree(result);
4038
4039 return ntstatus;
4040 }
4041
4042 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4043
4044 - if user hasn't decided to use account policies inside LDAP just reuse the
4045 old tdb values
4046
4047 - if there is a valid cache entry, return that
4048 - if there is an LDAP entry, update cache and return
4049 - otherwise set to default, update cache and return
4050
4051 Guenther
4052 */
4053 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4054 enum pdb_policy_type type,
4055 uint32_t *value)
4056 {
4057 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4058
4059 if (cache_account_policy_get(type, value)) {
4060 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4061 "cache\n"));
4062 return NT_STATUS_OK;
4063 }
4064
4065 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4066 value);
4067 if (NT_STATUS_IS_OK(ntstatus)) {
4068 goto update_cache;
4069 }
4070
4071 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4072 "ldap\n"));
4073
4074 #if 0
4075 /* should we automagically migrate old tdb value here ? */
4076 if (account_policy_get(type, value))
4077 goto update_ldap;
4078
4079 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4080 "default\n", type));
4081 #endif
4082
4083 if (!account_policy_get_default(type, value)) {
4084 return ntstatus;
4085 }
4086
4087 /* update_ldap: */
4088
4089 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4090 if (!NT_STATUS_IS_OK(ntstatus)) {
4091 return ntstatus;
4092 }
4093
4094 update_cache:
4095
4096 if (!cache_account_policy_set(type, *value)) {
4097 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4098 "tdb as a cache\n"));
4099 return NT_STATUS_UNSUCCESSFUL;
4100 }
4101
4102 return NT_STATUS_OK;
4103 }
4104
4105 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4106 const struct dom_sid *domain_sid,
4107 int num_rids,
4108 uint32_t *rids,
4109 const char **names,
4110 enum lsa_SidType *attrs)
4111 {
4112 struct ldapsam_privates *ldap_state =
4113 (struct ldapsam_privates *)methods->private_data;
4114 LDAPMessage *msg = NULL;
4115 LDAPMessage *entry;
4116 char *allsids = NULL;
4117 int i, rc, num_mapped;
4118 NTSTATUS result = NT_STATUS_NO_MEMORY;
4119 TALLOC_CTX *mem_ctx;
4120 LDAP *ld;
4121 bool is_builtin;
4122
4123 mem_ctx = talloc_new(NULL);
4124 if (mem_ctx == NULL) {
4125 DEBUG(0, ("talloc_new failed\n"));
4126 goto done;
4127 }
4128
4129 if (!sid_check_is_builtin(domain_sid) &&
4130 !sid_check_is_domain(domain_sid)) {
4131 result = NT_STATUS_INVALID_PARAMETER;
4132 goto done;
4133 }
4134
4135 if (num_rids == 0) {
4136 result = NT_STATUS_NONE_MAPPED;
4137 goto done;
4138 }
4139
4140 for (i=0; i<num_rids; i++)
4141 attrs[i] = SID_NAME_UNKNOWN;
4142
4143 allsids = talloc_strdup(mem_ctx, "");
4144 if (allsids == NULL) {
4145 goto done;
4146 }
4147
4148 for (i=0; i<num_rids; i++) {
4149 struct dom_sid sid;
4150 sid_compose(&sid, domain_sid, rids[i]);
4151 allsids = talloc_asprintf_append_buffer(
4152 allsids, "(sambaSid=%s)",
4153 sid_string_talloc(mem_ctx, &sid));
4154 if (allsids == NULL) {
4155 goto done;
4156 }
4157 }
4158
4159 /* First look for users */
4160
4161 {
4162 char *filter;
4163 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4164
4165 filter = talloc_asprintf(
4166 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4167 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4168
4169 if (filter == NULL) {
4170 goto done;
4171 }
4172
4173 rc = smbldap_search(ldap_state->smbldap_state,
4174 lp_ldap_user_suffix(),
4175 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4176 &msg);
4177 talloc_autofree_ldapmsg(mem_ctx, msg);
4178 }
4179
4180 if (rc != LDAP_SUCCESS)
4181 goto done;
4182
4183 ld = ldap_state->smbldap_state->ldap_struct;
4184 num_mapped = 0;
4185
4186 for (entry = ldap_first_entry(ld, msg);
4187 entry != NULL;
4188 entry = ldap_next_entry(ld, entry)) {
4189 uint32_t rid;
4190 int rid_index;
4191 const char *name;
4192
4193 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4194 &rid)) {
4195 DEBUG(2, ("Could not find sid from ldap entry\n"));
4196 continue;
4197 }
4198
4199 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4200 names);
4201 if (name == NULL) {
4202 DEBUG(2, ("Could not retrieve uid attribute\n"));
4203 continue;
4204 }
4205
4206 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4207 if (rid == rids[rid_index])
4208 break;
4209 }
4210
4211 if (rid_index == num_rids) {
4212 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4213 continue;
4214 }
4215
4216 attrs[rid_index] = SID_NAME_USER;
4217 names[rid_index] = name;
4218 num_mapped += 1;
4219 }
4220
4221 if (num_mapped == num_rids) {
4222 /* No need to look for groups anymore -- we're done */
4223 result = NT_STATUS_OK;
4224 goto done;
4225 }
4226
4227 /* Same game for groups */
4228
4229 {
4230 char *filter;
4231 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4232 "sambaGroupType", NULL };
4233
4234 filter = talloc_asprintf(
4235 mem_ctx, "(&(objectClass=%s)(|%s))",
4236 LDAP_OBJ_GROUPMAP, allsids);
4237 if (filter == NULL) {
4238 goto done;
4239 }
4240
4241 rc = smbldap_search(ldap_state->smbldap_state,
4242 lp_ldap_suffix(),
4243 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4244 &msg);
4245 talloc_autofree_ldapmsg(mem_ctx, msg);
4246 }
4247
4248 if (rc != LDAP_SUCCESS)
4249 goto done;
4250
4251 /* ldap_struct might have changed due to a reconnect */
4252
4253 ld = ldap_state->smbldap_state->ldap_struct;
4254
4255 /* For consistency checks, we already checked we're only domain or builtin */
4256
4257 is_builtin = sid_check_is_builtin(domain_sid);
4258
4259 for (entry = ldap_first_entry(ld, msg);
4260 entry != NULL;
4261 entry = ldap_next_entry(ld, entry))
4262 {
4263 uint32_t rid;
4264 int rid_index;
4265 const char *attr;
4266 enum lsa_SidType type;
4267 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4268
4269 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4270 mem_ctx);
4271 if (attr == NULL) {
4272 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4273 dn));
4274 continue;
4275 }
4276
4277 type = (enum lsa_SidType)atol(attr);
4278
4279 /* Consistency checks */
4280 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4281 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4282 (type != SID_NAME_DOM_GRP)))) {
4283 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4284 }
4285
4286 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4287 &rid)) {
4288 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4289 continue;
4290 }
4291
4292 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4293
4294 if (attr == NULL) {
4295 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4296 dn));
4297 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4298 }
4299
4300 if (attr == NULL) {
4301 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4302 dn));
4303 continue;
4304 }
4305
4306 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4307 if (rid == rids[rid_index])
4308 break;
4309 }
4310
4311 if (rid_index == num_rids) {
4312 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4313 continue;
4314 }
4315
4316 attrs[rid_index] = type;
4317 names[rid_index] = attr;
4318 num_mapped += 1;
4319 }
4320
4321 result = NT_STATUS_NONE_MAPPED;
4322
4323 if (num_mapped > 0)
4324 result = (num_mapped == num_rids) ?
4325 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4326 done:
4327 TALLOC_FREE(mem_ctx);
4328 return result;
4329 }
4330
4331 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4332 {
4333 char *filter = NULL;
4334 char *escaped = NULL;
4335 char *result = NULL;
4336
4337 if (asprintf(&filter, "(&%s(objectclass=%s))",
4338 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4339 goto done;
4340 }
4341
4342 escaped = escape_ldap_string(talloc_tos(), username);
4343 if (escaped == NULL) goto done;
4344
4345 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4346
4347 done:
4348 SAFE_FREE(filter);
4349 TALLOC_FREE(escaped);
4350
4351 return result;
4352 }
4353
4354 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4355 {
4356 int i, num = 0;
4357 va_list ap;
4358 const char **result;
4359
4360 va_start(ap, mem_ctx);
4361 while (va_arg(ap, const char *) != NULL)
4362 num += 1;
4363 va_end(ap);
4364
4365 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4366 return NULL;
4367 }
4368
4369 va_start(ap, mem_ctx);
4370 for (i=0; i<num; i++) {
4371 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4372 if (result[i] == NULL) {
4373 talloc_free(result);
4374 va_end(ap);
4375 return NULL;
4376 }
4377 }
4378 va_end(ap);
4379
4380 result[num] = NULL;
4381 return result;
4382 }
4383
4384 struct ldap_search_state {
4385 struct smbldap_state *connection;
4386
4387 uint32_t acct_flags;
4388 uint16_t group_type;
4389
4390 const char *base;
4391 int scope;
4392 const char *filter;
4393 const char **attrs;
4394 int attrsonly;
4395 void *pagedresults_cookie;
4396
4397 LDAPMessage *entries, *current_entry;
4398 bool (*ldap2displayentry)(struct ldap_search_state *state,
4399 TALLOC_CTX *mem_ctx,
4400 LDAP *ld, LDAPMessage *entry,
4401 struct samr_displayentry *result);
4402 };
4403
4404 static bool ldapsam_search_firstpage(struct pdb_search *search)
4405 {
4406 struct ldap_search_state *state =
4407 (struct ldap_search_state *)search->private_data;
4408 LDAP *ld;
4409 int rc = LDAP_OPERATIONS_ERROR;
4410
4411 state->entries = NULL;
4412
4413 if (state->connection->paged_results) {
4414 rc = smbldap_search_paged(state->connection, state->base,
4415 state->scope, state->filter,
4416 state->attrs, state->attrsonly,
4417 lp_ldap_page_size(), &state->entries,
4418 &state->pagedresults_cookie);
4419 }
4420
4421 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4422
4423 if (state->entries != NULL) {
4424 /* Left over from unsuccessful paged attempt */
4425 ldap_msgfree(state->entries);
4426 state->entries = NULL;
4427 }
4428
4429 rc = smbldap_search(state->connection, state->base,
4430 state->scope, state->filter, state->attrs,
4431 state->attrsonly, &state->entries);
4432
4433 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4434 return False;
4435
4436 /* Ok, the server was lying. It told us it could do paged
4437 * searches when it could not. */
4438 state->connection->paged_results = False;
4439 }
4440
4441 ld = state->connection->ldap_struct;
4442 if ( ld == NULL) {
4443 DEBUG(5, ("Don't have an LDAP connection right after a "
4444 "search\n"));
4445 return False;
4446 }
4447 state->current_entry = ldap_first_entry(ld, state->entries);
4448
4449 return True;
4450 }
4451
4452 static bool ldapsam_search_nextpage(struct pdb_search *search)
4453 {
4454 struct ldap_search_state *state =
4455 (struct ldap_search_state *)search->private_data;
4456 int rc;
4457
4458 if (!state->connection->paged_results) {
4459 /* There is no next page when there are no paged results */
4460 return False;
4461 }
4462
4463 rc = smbldap_search_paged(state->connection, state->base,
4464 state->scope, state->filter, state->attrs,
4465 state->attrsonly, lp_ldap_page_size(),
4466 &state->entries,
4467 &state->pagedresults_cookie);
4468
4469 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4470 return False;
4471
4472 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4473
4474 if (state->current_entry == NULL) {
4475 ldap_msgfree(state->entries);
4476 state->entries = NULL;
4477 return false;
4478 }
4479
4480 return True;
4481 }
4482
4483 static bool ldapsam_search_next_entry(struct pdb_search *search,
4484 struct samr_displayentry *entry)
4485 {
4486 struct ldap_search_state *state =
4487 (struct ldap_search_state *)search->private_data;
4488 bool result;
4489
4490 retry:
4491 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4492 return False;
4493
4494 if ((state->entries == NULL) &&
4495 !ldapsam_search_nextpage(search))
4496 return False;
4497
4498 if (state->current_entry == NULL) {
4499 return false;
4500 }
4501
4502 result = state->ldap2displayentry(state, search,
4503 state->connection->ldap_struct,
4504 state->current_entry, entry);
4505
4506 if (!result) {
4507 char *dn;
4508 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4509 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4510 if (dn != NULL) ldap_memfree(dn);
4511 }
4512
4513 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4514
4515 if (state->current_entry == NULL) {
4516 ldap_msgfree(state->entries);
4517 state->entries = NULL;
4518 }
4519
4520 if (!result) goto retry;
4521
4522 return True;
4523 }
4524
4525 static void ldapsam_search_end(struct pdb_search *search)
4526 {
4527 struct ldap_search_state *state =
4528 (struct ldap_search_state *)search->private_data;
4529 int rc;
4530
4531 if (state->pagedresults_cookie == NULL)
4532 return;
4533
4534 if (state->entries != NULL)
4535 ldap_msgfree(state->entries);
4536
4537 state->entries = NULL;
4538 state->current_entry = NULL;
4539
4540 if (!state->connection->paged_results)
4541 return;
4542
4543 /* Tell the LDAP server we're not interested in the rest anymore. */
4544
4545 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4546 state->filter, state->attrs,
4547 state->attrsonly, 0, &state->entries,
4548 &state->pagedresults_cookie);
4549
4550 if (rc != LDAP_SUCCESS)
4551 DEBUG(5, ("Could not end search properly\n"));
4552
4553 return;
4554 }
4555
4556 static bool ldapuser2displayentry(struct ldap_search_state *state,
4557 TALLOC_CTX *mem_ctx,
4558 LDAP *ld, LDAPMessage *entry,
4559 struct samr_displayentry *result)
4560 {
4561 char **vals;
4562 size_t converted_size;
4563 struct dom_sid sid;
4564 uint32_t acct_flags;
4565
4566 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4567 if ((vals == NULL) || (vals[0] == NULL)) {
4568 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4569 return False;
4570 }
4571 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4572 ldap_value_free(vals);
4573
4574 if ((state->acct_flags != 0) &&
4575 ((state->acct_flags & acct_flags) == 0))
4576 return False;
4577
4578 result->acct_flags = acct_flags;
4579 result->account_name = "";
4580 result->fullname = "";
4581 result->description = "";
4582
4583 vals = ldap_get_values(ld, entry, "uid");
4584 if ((vals == NULL) || (vals[0] == NULL)) {
4585 DEBUG(5, ("\"uid\" not found\n"));
4586 return False;
4587 }
4588 if (!pull_utf8_talloc(mem_ctx,
4589 CONST_DISCARD(char **, &result->account_name),
4590 vals[0], &converted_size))
4591 {
4592 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4593 strerror(errno)));
4594 }
4595
4596 ldap_value_free(vals);
4597
4598 vals = ldap_get_values(ld, entry, "displayName");
4599 if ((vals == NULL) || (vals[0] == NULL))
4600 DEBUG(8, ("\"displayName\" not found\n"));
4601 else if (!pull_utf8_talloc(mem_ctx,
4602 CONST_DISCARD(char **, &result->fullname),
4603 vals[0], &converted_size))
4604 {
4605 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4606 strerror(errno)));
4607 }
4608
4609 ldap_value_free(vals);
4610
4611 vals = ldap_get_values(ld, entry, "description");
4612 if ((vals == NULL) || (vals[0] == NULL))
4613 DEBUG(8, ("\"description\" not found\n"));
4614 else if (!pull_utf8_talloc(mem_ctx,
4615 CONST_DISCARD(char **, &result->description),
4616 vals[0], &converted_size))
4617 {
4618 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4619 strerror(errno)));
4620 }
4621
4622 ldap_value_free(vals);
4623
4624 if ((result->account_name == NULL) ||
4625 (result->fullname == NULL) ||
4626 (result->description == NULL)) {
4627 DEBUG(0, ("talloc failed\n"));
4628 return False;
4629 }
4630
4631 vals = ldap_get_values(ld, entry, "sambaSid");
4632 if ((vals == NULL) || (vals[0] == NULL)) {
4633 DEBUG(0, ("\"objectSid\" not found\n"));
4634 return False;
4635 }
4636
4637 if (!string_to_sid(&sid, vals[0])) {
4638 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4639 ldap_value_free(vals);
4640 return False;
4641 }
4642 ldap_value_free(vals);
4643
4644 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4645 DEBUG(0, ("sid %s does not belong to our domain\n",
4646 sid_string_dbg(&sid)));
4647 return False;
4648 }
4649
4650 return True;
4651 }
4652
4653
4654 static bool ldapsam_search_users(struct pdb_methods *methods,
4655 struct pdb_search *search,
4656 uint32_t acct_flags)
4657 {
4658 struct ldapsam_privates *ldap_state =
4659 (struct ldapsam_privates *)methods->private_data;
4660 struct ldap_search_state *state;
4661
4662 state = talloc(search, struct ldap_search_state);
4663 if (state == NULL) {
4664 DEBUG(0, ("talloc failed\n"));
4665 return False;
4666 }
4667
4668 state->connection = ldap_state->smbldap_state;
4669
4670 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4671 state->base = lp_ldap_user_suffix();
4672 else if ((acct_flags != 0) &&
4673 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4674 state->base = lp_ldap_machine_suffix();
4675 else
4676 state->base = lp_ldap_suffix();
4677
4678 state->acct_flags = acct_flags;
4679 state->base = talloc_strdup(search, state->base);
4680 state->scope = LDAP_SCOPE_SUBTREE;
4681 state->filter = get_ldap_filter(search, "*");
4682 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4683 "displayName", "description",
4684 "sambaAcctFlags", NULL);
4685 state->attrsonly = 0;
4686 state->pagedresults_cookie = NULL;
4687 state->entries = NULL;
4688 state->ldap2displayentry = ldapuser2displayentry;
4689
4690 if ((state->filter == NULL) || (state->attrs == NULL)) {
4691 DEBUG(0, ("talloc failed\n"));
4692 return False;
4693 }
4694
4695 search->private_data = state;
4696 search->next_entry = ldapsam_search_next_entry;
4697 search->search_end = ldapsam_search_end;
4698
4699 return ldapsam_search_firstpage(search);
4700 }
4701
4702 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4703 TALLOC_CTX *mem_ctx,
4704 LDAP *ld, LDAPMessage *entry,
4705 struct samr_displayentry *result)
4706 {
4707 char **vals;
4708 size_t converted_size;
4709 struct dom_sid sid;
4710 uint16_t group_type;
4711
4712 result->account_name = "";
4713 result->fullname = "";
4714 result->description = "";
4715
4716
4717 vals = ldap_get_values(ld, entry, "sambaGroupType");
4718 if ((vals == NULL) || (vals[0] == NULL)) {
4719 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4720 if (vals != NULL) {
4721 ldap_value_free(vals);
4722 }
4723 return False;
4724 }
4725
4726 group_type = atoi(vals[0]);
4727
4728 if ((state->group_type != 0) &&
4729 ((state->group_type != group_type))) {
4730 ldap_value_free(vals);
4731 return False;
4732 }
4733
4734 ldap_value_free(vals);
4735
4736 /* display name is the NT group name */
4737
4738 vals = ldap_get_values(ld, entry, "displayName");
4739 if ((vals == NULL) || (vals[0] == NULL)) {
4740 DEBUG(8, ("\"displayName\" not found\n"));
4741
4742 /* fallback to the 'cn' attribute */
4743 vals = ldap_get_values(ld, entry, "cn");
4744 if ((vals == NULL) || (vals[0] == NULL)) {
4745 DEBUG(5, ("\"cn\" not found\n"));
4746 return False;
4747 }
4748 if (!pull_utf8_talloc(mem_ctx,
4749 CONST_DISCARD(char **,
4750 &result->account_name),
4751 vals[0], &converted_size))
4752 {
4753 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4754 "failed: %s", strerror(errno)));
4755 }
4756 }
4757 else if (!pull_utf8_talloc(mem_ctx,
4758 CONST_DISCARD(char **,
4759 &result->account_name),
4760 vals[0], &converted_size))
4761 {
4762 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4763 strerror(errno)));
4764 }
4765
4766 ldap_value_free(vals);
4767
4768 vals = ldap_get_values(ld, entry, "description");
4769 if ((vals == NULL) || (vals[0] == NULL))
4770 DEBUG(8, ("\"description\" not found\n"));
4771 else if (!pull_utf8_talloc(mem_ctx,
4772 CONST_DISCARD(char **, &result->description),
4773 vals[0], &converted_size))
4774 {
4775 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4776 strerror(errno)));
4777 }
4778 ldap_value_free(vals);
4779
4780 if ((result->account_name == NULL) ||
4781 (result->fullname == NULL) ||
4782 (result->description == NULL)) {
4783 DEBUG(0, ("talloc failed\n"));
4784 return False;
4785 }
4786
4787 vals = ldap_get_values(ld, entry, "sambaSid");
4788 if ((vals == NULL) || (vals[0] == NULL)) {
4789 DEBUG(0, ("\"objectSid\" not found\n"));
4790 if (vals != NULL) {
4791 ldap_value_free(vals);
4792 }
4793 return False;
4794 }
4795
4796 if (!string_to_sid(&sid, vals[0])) {
4797 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4798 return False;
4799 }
4800
4801 ldap_value_free(vals);
4802
4803 switch (group_type) {
4804 case SID_NAME_DOM_GRP:
4805 case SID_NAME_ALIAS:
4806
4807 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4808 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4809 {
4810 DEBUG(0, ("%s is not in our domain\n",
4811 sid_string_dbg(&sid)));
4812 return False;
4813 }
4814 break;
4815
4816 default:
4817 DEBUG(0,("unkown group type: %d\n", group_type));
4818 return False;
4819 }
4820
4821 result->acct_flags = 0;
4822
4823 return True;
4824 }
4825
4826 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4827 struct pdb_search *search,
4828 const struct dom_sid *sid,
4829 enum lsa_SidType type)
4830 {
4831 struct ldapsam_privates *ldap_state =
4832 (struct ldapsam_privates *)methods->private_data;
4833 struct ldap_search_state *state;
4834 fstring tmp;
4835
4836 state = talloc(search, struct ldap_search_state);
4837 if (state == NULL) {
4838 DEBUG(0, ("talloc failed\n"));
4839 return False;
4840 }
4841
4842 state->connection = ldap_state->smbldap_state;
4843
4844 state->base = talloc_strdup(search, lp_ldap_suffix());
4845 state->connection = ldap_state->smbldap_state;
4846 state->scope = LDAP_SCOPE_SUBTREE;
4847 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4848 "(sambaGroupType=%d)(sambaSID=%s*))",
4849 LDAP_OBJ_GROUPMAP,
4850 type, sid_to_fstring(tmp, sid));
4851 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4852 "displayName", "description",
4853 "sambaGroupType", NULL);
4854 state->attrsonly = 0;
4855 state->pagedresults_cookie = NULL;
4856 state->entries = NULL;
4857 state->group_type = type;
4858 state->ldap2displayentry = ldapgroup2displayentry;
4859
4860 if ((state->filter == NULL) || (state->attrs == NULL)) {
4861 DEBUG(0, ("talloc failed\n"));
4862 return False;
4863 }
4864
4865 search->private_data = state;
4866 search->next_entry = ldapsam_search_next_entry;
4867 search->search_end = ldapsam_search_end;
4868
4869 return ldapsam_search_firstpage(search);
4870 }
4871
4872 static bool ldapsam_search_groups(struct pdb_methods *methods,
4873 struct pdb_search *search)
4874 {
4875 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4876 }
4877
4878 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4879 struct pdb_search *search,
4880 const struct dom_sid *sid)
4881 {
4882 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4883 }
4884
4885 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4886 {
4887 return PDB_CAP_STORE_RIDS;
4888 }
4889
4890 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4891 uint32_t *rid)
4892 {
4893 struct smbldap_state *smbldap_state = priv->smbldap_state;
4894
4895 LDAPMessage *result = NULL;
4896 LDAPMessage *entry = NULL;
4897 LDAPMod **mods = NULL;
4898 NTSTATUS status;
4899 char *value;
4900 int rc;
4901 uint32_t nextRid = 0;
4902 const char *dn;
4903
4904 TALLOC_CTX *mem_ctx;
4905
4906 mem_ctx = talloc_new(NULL);
4907 if (mem_ctx == NULL) {
4908 DEBUG(0, ("talloc_new failed\n"));
4909 return NT_STATUS_NO_MEMORY;
4910 }
4911
4912 status = smbldap_search_domain_info(smbldap_state, &result,
4913 get_global_sam_name(), False);
4914 if (!NT_STATUS_IS_OK(status)) {
4915 DEBUG(3, ("Could not get domain info: %s\n",
4916 nt_errstr(status)));
4917 goto done;
4918 }
4919
4920 talloc_autofree_ldapmsg(mem_ctx, result);
4921
4922 entry = ldap_first_entry(priv2ld(priv), result);
4923 if (entry == NULL) {
4924 DEBUG(0, ("Could not get domain info entry\n"));
4925 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4926 goto done;
4927 }
4928
4929 /* Find the largest of the three attributes "sambaNextRid",
4930 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4931 concept of differentiating between user and group rids, and will
4932 use only "sambaNextRid" in the future. But for compatibility
4933 reasons I look if others have chosen different strategies -- VL */
4934
4935 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4936 "sambaNextRid", mem_ctx);
4937 if (value != NULL) {
4938 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4939 nextRid = MAX(nextRid, tmp);
4940 }
4941
4942 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4943 "sambaNextUserRid", mem_ctx);
4944 if (value != NULL) {
4945 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4946 nextRid = MAX(nextRid, tmp);
4947 }
4948
4949 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4950 "sambaNextGroupRid", mem_ctx);
4951 if (value != NULL) {
4952 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4953 nextRid = MAX(nextRid, tmp);
4954 }
4955
4956 if (nextRid == 0) {
4957 nextRid = BASE_RID-1;
4958 }
4959
4960 nextRid += 1;
4961
4962 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4963 talloc_asprintf(mem_ctx, "%d", nextRid));
4964 talloc_autofree_ldapmod(mem_ctx, mods);
4965
4966 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4967 status = NT_STATUS_NO_MEMORY;
4968 goto done;
4969 }
4970
4971 rc = smbldap_modify(smbldap_state, dn, mods);
4972
4973 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4974 * please retry" */
4975
4976 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4977
4978 done:
4979 if (NT_STATUS_IS_OK(status)) {
4980 *rid = nextRid;
4981 }
4982
4983 TALLOC_FREE(mem_ctx);
4984 return status;
4985 }
4986
4987 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4988 {
4989 int i;
4990
4991 for (i=0; i<10; i++) {
4992 NTSTATUS result = ldapsam_get_new_rid(
4993 (struct ldapsam_privates *)methods->private_data, rid);
4994 if (NT_STATUS_IS_OK(result)) {
4995 return result;
4996 }
4997
4998 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4999 return result;
5000 }
5001
5002 /* The ldap update failed (maybe a race condition), retry */
5003 }
5004
5005 /* Tried 10 times, fail. */
5006 return NT_STATUS_ACCESS_DENIED;
5007 }
5008
5009 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
5010 {
5011 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5012 return NT_STATUS_IS_OK(result) ? True : False;
5013 }
5014
5015 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5016 const struct dom_sid *sid,
5017 union unid_t *id, enum lsa_SidType *type)
5018 {
5019 struct ldapsam_privates *priv =
5020 (struct ldapsam_privates *)methods->private_data;
5021 char *filter;
5022 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5023 NULL };
5024 LDAPMessage *result = NULL;
5025 LDAPMessage *entry = NULL;
5026 bool ret = False;
5027 char *value;
5028 int rc;
5029
5030 TALLOC_CTX *mem_ctx;
5031
5032 mem_ctx = talloc_new(NULL);
5033 if (mem_ctx == NULL) {
5034 DEBUG(0, ("talloc_new failed\n"));
5035 return False;
5036 }
5037
5038 filter = talloc_asprintf(mem_ctx,
5039 "(&(sambaSid=%s)"
5040 "(|(objectClass=%s)(objectClass=%s)))",
5041 sid_string_talloc(mem_ctx, sid),
5042 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5043 if (filter == NULL) {
5044 DEBUG(5, ("talloc_asprintf failed\n"));
5045 goto done;
5046 }
5047
5048 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5049 attrs, &result);
5050 if (rc != LDAP_SUCCESS) {
5051 goto done;
5052 }
5053 talloc_autofree_ldapmsg(mem_ctx, result);
5054
5055 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5056 DEBUG(10, ("Got %d entries, expected one\n",
5057 ldap_count_entries(priv2ld(priv), result)));
5058 goto done;
5059 }
5060
5061 entry = ldap_first_entry(priv2ld(priv), result);
5062
5063 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5064 "sambaGroupType", mem_ctx);
5065
5066 if (value != NULL) {
5067 const char *gid_str;
5068 /* It's a group */
5069
5070 gid_str = smbldap_talloc_single_attribute(
5071 priv2ld(priv), entry, "gidNumber", mem_ctx);
5072 if (gid_str == NULL) {
5073 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5074 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5075 entry)));
5076 goto done;
5077 }
5078
5079 id->gid = strtoul(gid_str, NULL, 10);
5080 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5081 store_gid_sid_cache(sid, id->gid);
5082 idmap_cache_set_sid2gid(sid, id->gid);
5083 ret = True;
5084 goto done;
5085 }
5086
5087 /* It must be a user */
5088
5089 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5090 "uidNumber", mem_ctx);
5091 if (value == NULL) {
5092 DEBUG(1, ("Could not find uidNumber in %s\n",
5093 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5094 goto done;
5095 }
5096
5097 id->uid = strtoul(value, NULL, 10);
5098 *type = SID_NAME_USER;
5099 store_uid_sid_cache(sid, id->uid);
5100 idmap_cache_set_sid2uid(sid, id->uid);
5101
5102 ret = True;
5103 done:
5104 TALLOC_FREE(mem_ctx);
5105 return ret;
5106 }
5107
5108 /**
5109 * Find the SID for a uid.
5110 * This is shortcut is only used if ldapsam:trusted is set to true.
5111 */
5112 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5113 struct dom_sid *sid)
5114 {
5115 struct ldapsam_privates *priv =
5116 (struct ldapsam_privates *)methods->private_data;
5117 char *filter;
5118 const char *attrs[] = { "sambaSID", NULL };
5119 LDAPMessage *result = NULL;
5120 LDAPMessage *entry = NULL;
5121 bool ret = false;
5122 char *user_sid_string;
5123 struct dom_sid user_sid;
5124 int rc;
5125 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5126
5127 filter = talloc_asprintf(tmp_ctx,
5128 "(&(uidNumber=%u)"
5129 "(objectClass=%s)"
5130 "(objectClass=%s))",
5131 (unsigned int)uid,
5132 LDAP_OBJ_POSIXACCOUNT,
5133 LDAP_OBJ_SAMBASAMACCOUNT);
5134 if (filter == NULL) {
5135 DEBUG(3, ("talloc_asprintf failed\n"));
5136 goto done;
5137 }
5138
5139 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5140 if (rc != LDAP_SUCCESS) {
5141 goto done;
5142 }
5143 talloc_autofree_ldapmsg(tmp_ctx, result);
5144
5145 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5146 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5147 ldap_count_entries(priv2ld(priv), result),
5148 (unsigned int)uid));
5149 goto done;
5150 }
5151
5152 entry = ldap_first_entry(priv2ld(priv), result);
5153
5154 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5155 "sambaSID", tmp_ctx);
5156 if (user_sid_string == NULL) {
5157 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5158 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5159 goto done;
5160 }
5161
5162 if (!string_to_sid(&user_sid, user_sid_string)) {
5163 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5164 user_sid_string));
5165 goto done;
5166 }
5167
5168 sid_copy(sid, &user_sid);
5169
5170 store_uid_sid_cache(sid, uid);
5171 idmap_cache_set_sid2uid(sid, uid);
5172
5173 ret = true;
5174
5175 done:
5176 TALLOC_FREE(tmp_ctx);
5177 return ret;
5178 }
5179
5180 /**
5181 * Find the SID for a gid.
5182 * This is shortcut is only used if ldapsam:trusted is set to true.
5183 */
5184 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5185 struct dom_sid *sid)
5186 {
5187 struct ldapsam_privates *priv =
5188 (struct ldapsam_privates *)methods->private_data;
5189 char *filter;
5190 const char *attrs[] = { "sambaSID", NULL };
5191 LDAPMessage *result = NULL;
5192 LDAPMessage *entry = NULL;
5193 bool ret = false;
5194 char *group_sid_string;
5195 struct dom_sid group_sid;
5196 int rc;
5197 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5198
5199 filter = talloc_asprintf(tmp_ctx,
5200 "(&(gidNumber=%u)"
5201 "(objectClass=%s))",
5202 (unsigned int)gid,
5203 LDAP_OBJ_GROUPMAP);
5204 if (filter == NULL) {
5205 DEBUG(3, ("talloc_asprintf failed\n"));
5206 goto done;
5207 }
5208
5209 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5210 if (rc != LDAP_SUCCESS) {
5211 goto done;
5212 }
5213 talloc_autofree_ldapmsg(tmp_ctx, result);
5214
5215 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5216 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5217 ldap_count_entries(priv2ld(priv), result),
5218 (unsigned int)gid));
5219 goto done;
5220 }
5221
5222 entry = ldap_first_entry(priv2ld(priv), result);
5223
5224 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5225 "sambaSID", tmp_ctx);
5226 if (group_sid_string == NULL) {
5227 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5228 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5229 goto done;
5230 }
5231
5232 if (!string_to_sid(&group_sid, group_sid_string)) {
5233 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5234 group_sid_string));
5235 goto done;
5236 }
5237
5238 sid_copy(sid, &group_sid);
5239
5240 store_gid_sid_cache(sid, gid);
5241 idmap_cache_set_sid2gid(sid, gid);
5242
5243 ret = true;
5244
5245 done:
5246 TALLOC_FREE(tmp_ctx);
5247 return ret;
5248 }
5249
5250
5251 /*
5252 * The following functions are called only if
5253 * ldapsam:trusted and ldapsam:editposix are
5254 * set to true
5255 */
5256
5257 /*
5258 * ldapsam_create_user creates a new
5259 * posixAccount and sambaSamAccount object
5260 * in the ldap users subtree
5261 *
5262 * The uid is allocated by winbindd.
5263 */
5264
5265 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5266 TALLOC_CTX *tmp_ctx, const char *name,
5267 uint32_t acb_info, uint32_t *rid)
5268 {
5269 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5270 LDAPMessage *entry = NULL;
5271 LDAPMessage *result = NULL;
5272 uint32_t num_result;
5273 bool is_machine = False;
5274 bool add_posix = False;
5275 LDAPMod **mods = NULL;
5276 struct samu *user;
5277 char *filter;
5278 char *username;
5279 char *homedir;
5280 char *gidstr;
5281 char *uidstr;
5282 char *shell;
5283 const char *dn = NULL;
5284 struct dom_sid group_sid;
5285 struct dom_sid user_sid;
5286 gid_t gid = -1;
5287 uid_t uid = -1;
5288 NTSTATUS ret;
5289 int rc;
5290
5291 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5292 acb_info & ACB_WSTRUST ||
5293 acb_info & ACB_SVRTRUST ||
5294 acb_info & ACB_DOMTRUST) {
5295 is_machine = True;
5296 }
5297
5298 username = escape_ldap_string(talloc_tos(), name);
5299 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5300 username, LDAP_OBJ_POSIXACCOUNT);
5301 TALLOC_FREE(username);
5302
5303 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5304 if (rc != LDAP_SUCCESS) {
5305 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5306 return NT_STATUS_ACCESS_DENIED;
5307 }
5308 talloc_autofree_ldapmsg(tmp_ctx, result);
5309
5310 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5311
5312 if (num_result > 1) {
5313 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5314 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5315 }
5316
5317 if (num_result == 1) {
5318 char *tmp;
5319 /* check if it is just a posix account.
5320 * or if there is a sid attached to this entry
5321 */
5322
5323 entry = ldap_first_entry(priv2ld(ldap_state), result);
5324 if (!entry) {
5325 return NT_STATUS_UNSUCCESSFUL;
5326 }
5327
5328 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5329 if (tmp) {
5330 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5331 return NT_STATUS_USER_EXISTS;
5332 }
5333
5334 /* it is just a posix account, retrieve the dn for later use */
5335 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5336 if (!dn) {
5337 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5338 return NT_STATUS_NO_MEMORY;
5339 }
5340 }
5341
5342 if (num_result == 0) {
5343 add_posix = True;
5344 }
5345
5346 /* Create the basic samu structure and generate the mods for the ldap commit */
5347 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5348 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5349 return ret;
5350 }
5351
5352 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5353
5354 user = samu_new(tmp_ctx);
5355 if (!user) {
5356 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5357 return NT_STATUS_NO_MEMORY;
5358 }
5359
5360 if (!pdb_set_username(user, name, PDB_SET)) {
5361 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5362 return NT_STATUS_UNSUCCESSFUL;
5363 }
5364 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5365 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5366 return NT_STATUS_UNSUCCESSFUL;
5367 }
5368 if (is_machine) {
5369 if (acb_info & ACB_NORMAL) {
5370 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5371 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5372 return NT_STATUS_UNSUCCESSFUL;
5373 }
5374 } else {
5375 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5376 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5377 return NT_STATUS_UNSUCCESSFUL;
5378 }
5379 }
5380 } else {
5381 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5382 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5383 return NT_STATUS_UNSUCCESSFUL;
5384 }
5385 }
5386
5387 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5388 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5389 return NT_STATUS_UNSUCCESSFUL;
5390 }
5391
5392 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5393 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5394 return NT_STATUS_UNSUCCESSFUL;
5395 }
5396
5397 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5398 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5399 }
5400 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5401
5402 if (add_posix) {
5403 char *escape_name;
5404
5405 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5406
5407 /* retrieve the Domain Users group gid */
5408 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5409 !sid_to_gid(&group_sid, &gid)) {
5410 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5411 return NT_STATUS_INVALID_PRIMARY_GROUP;
5412 }
5413
5414 /* lets allocate a new userid for this user */
5415 if (!winbind_allocate_uid(&uid)) {
5416 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5417 return NT_STATUS_UNSUCCESSFUL;
5418 }
5419
5420
5421 if (is_machine) {
5422 /* TODO: choose a more appropriate default for machines */
5423 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5424 shell = talloc_strdup(tmp_ctx, "/bin/false");
5425 } else {
5426 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5427 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5428 }
5429 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5430 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5431
5432 escape_name = escape_rdn_val_string_alloc(name);
5433 if (!escape_name) {
5434 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5435 return NT_STATUS_NO_MEMORY;
5436 }
5437
5438 if (is_machine) {
5439 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5440 } else {
5441 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5442 }
5443
5444 SAFE_FREE(escape_name);
5445
5446 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5447 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5448 return NT_STATUS_NO_MEMORY;
5449 }
5450
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5452 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5453 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5454 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5455 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5456 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5457 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5458 }
5459
5460 talloc_autofree_ldapmod(tmp_ctx, mods);
5461
5462 if (add_posix) {
5463 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5464 } else {
5465 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5466 }
5467
5468 if (rc != LDAP_SUCCESS) {
5469 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5470 return NT_STATUS_UNSUCCESSFUL;
5471 }
5472
5473 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5474
5475 flush_pwnam_cache();
5476
5477 return NT_STATUS_OK;
5478 }
5479
5480 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5481 {
5482 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5483 LDAPMessage *result = NULL;
5484 LDAPMessage *entry = NULL;
5485 int num_result;
5486 const char *dn;
5487 char *filter;
5488 int rc;
5489
5490 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5491
5492 filter = talloc_asprintf(tmp_ctx,
5493 "(&(uid=%s)"
5494 "(objectClass=%s)"
5495 "(objectClass=%s))",
5496 pdb_get_username(sam_acct),
5497 LDAP_OBJ_POSIXACCOUNT,
5498 LDAP_OBJ_SAMBASAMACCOUNT);
5499 if (filter == NULL) {
5500 return NT_STATUS_NO_MEMORY;
5501 }
5502
5503 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5504 if (rc != LDAP_SUCCESS) {
5505 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5506 return NT_STATUS_UNSUCCESSFUL;
5507 }
5508 talloc_autofree_ldapmsg(tmp_ctx, result);
5509
5510 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5511
5512 if (num_result == 0) {
5513 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5514 return NT_STATUS_NO_SUCH_USER;
5515 }
5516
5517 if (num_result > 1) {
5518 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5519 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5520 }
5521
5522 entry = ldap_first_entry(priv2ld(ldap_state), result);
5523 if (!entry) {
5524 return NT_STATUS_UNSUCCESSFUL;
5525 }
5526
5527 /* it is just a posix account, retrieve the dn for later use */
5528 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5529 if (!dn) {
5530 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5531 return NT_STATUS_NO_MEMORY;
5532 }
5533
5534 /* try to remove memberships first */
5535 {
5536 NTSTATUS status;
5537 struct dom_sid *sids = NULL;
5538 gid_t *gids = NULL;
5539 size_t num_groups = 0;
5540 int i;
5541 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5542
5543 status = ldapsam_enum_group_memberships(my_methods,
5544 tmp_ctx,
5545 sam_acct,
5546 &sids,
5547 &gids,
5548 &num_groups);
5549 if (!NT_STATUS_IS_OK(status)) {
5550 goto delete_dn;
5551 }
5552
5553 for (i=0; i < num_groups; i++) {
5554
5555 uint32_t group_rid;
5556
5557 sid_peek_rid(&sids[i], &group_rid);
5558
5559 ldapsam_del_groupmem(my_methods,
5560 tmp_ctx,
5561 group_rid,
5562 user_rid);
5563 }
5564 }
5565
5566 delete_dn:
5567
5568 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5569 if (rc != LDAP_SUCCESS) {
5570 return NT_STATUS_UNSUCCESSFUL;
5571 }
5572
5573 flush_pwnam_cache();
5574
5575 return NT_STATUS_OK;
5576 }
5577
5578 /*
5579 * ldapsam_create_group creates a new
5580 * posixGroup and sambaGroupMapping object
5581 * in the ldap groups subtree
5582 *
5583 * The gid is allocated by winbindd.
5584 */
5585
5586 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5587 TALLOC_CTX *tmp_ctx,
5588 const char *name,
5589 uint32_t *rid)
5590 {
5591 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5592 NTSTATUS ret;
5593 LDAPMessage *entry = NULL;
5594 LDAPMessage *result = NULL;
5595 uint32_t num_result;
5596 bool is_new_entry = False;
5597 LDAPMod **mods = NULL;
5598 char *filter;
5599 char *groupsidstr;
5600 char *groupname;
5601 char *grouptype;
5602 char *gidstr;
5603 const char *dn = NULL;
5604 struct dom_sid group_sid;
5605 gid_t gid = -1;
5606 int rc;
5607
5608 groupname = escape_ldap_string(talloc_tos(), name);
5609 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5610 groupname, LDAP_OBJ_POSIXGROUP);
5611 TALLOC_FREE(groupname);
5612
5613 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5614 if (rc != LDAP_SUCCESS) {
5615 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5616 return NT_STATUS_UNSUCCESSFUL;
5617 }
5618 talloc_autofree_ldapmsg(tmp_ctx, result);
5619
5620 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5621
5622 if (num_result > 1) {
5623 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5624 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5625 }
5626
5627 if (num_result == 1) {
5628 char *tmp;
5629 /* check if it is just a posix group.
5630 * or if there is a sid attached to this entry
5631 */
5632
5633 entry = ldap_first_entry(priv2ld(ldap_state), result);
5634 if (!entry) {
5635 return NT_STATUS_UNSUCCESSFUL;
5636 }
5637
5638 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5639 if (tmp) {
5640 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5641 return NT_STATUS_GROUP_EXISTS;
5642 }
5643
5644 /* it is just a posix group, retrieve the gid and the dn for later use */
5645 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5646 if (!tmp) {
5647 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5648 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5649 }
5650
5651 gid = strtoul(tmp, NULL, 10);
5652
5653 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5654 if (!dn) {
5655 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5656 return NT_STATUS_NO_MEMORY;
5657 }
5658 }
5659
5660 if (num_result == 0) {
5661 is_new_entry = true;
5662 }
5663
5664 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5665 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5666 return ret;
5667 }
5668
5669 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5670
5671 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5672 &group_sid));
5673 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5674
5675 if (!groupsidstr || !grouptype) {
5676 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5677 return NT_STATUS_NO_MEMORY;
5678 }
5679
5680 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5681 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5682 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5683 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5684
5685 if (is_new_entry) {
5686 char *escape_name;
5687
5688 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5689
5690 /* lets allocate a new groupid for this group */
5691 if (!winbind_allocate_gid(&gid)) {
5692 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5693 return NT_STATUS_UNSUCCESSFUL;
5694 }
5695
5696 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5697
5698 escape_name = escape_rdn_val_string_alloc(name);
5699 if (!escape_name) {
5700 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5701 return NT_STATUS_NO_MEMORY;
5702 }
5703
5704 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5705
5706 SAFE_FREE(escape_name);
5707
5708 if (!gidstr || !dn) {
5709 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5710 return NT_STATUS_NO_MEMORY;
5711 }
5712
5713 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5714 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5715 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5716 }
5717
5718 talloc_autofree_ldapmod(tmp_ctx, mods);
5719
5720 if (is_new_entry) {
5721 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5722 #if 0
5723 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5724 /* This call may fail with rfc2307bis schema */
5725 /* Retry adding a structural class */
5726 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5727 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5728 }
5729 #endif
5730 } else {
5731 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5732 }
5733
5734 if (rc != LDAP_SUCCESS) {
5735 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5736 return NT_STATUS_UNSUCCESSFUL;
5737 }
5738
5739 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5740
5741 return NT_STATUS_OK;
5742 }
5743
5744 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5745 {
5746 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5747 LDAPMessage *result = NULL;
5748 LDAPMessage *entry = NULL;
5749 int num_result;
5750 const char *dn;
5751 char *gidstr;
5752 char *filter;
5753 struct dom_sid group_sid;
5754 int rc;
5755
5756 /* get the group sid */
5757 sid_compose(&group_sid, get_global_sam_sid(), rid);
5758
5759 filter = talloc_asprintf(tmp_ctx,
5760 "(&(sambaSID=%s)"
5761 "(objectClass=%s)"
5762 "(objectClass=%s))",
5763 sid_string_talloc(tmp_ctx, &group_sid),
5764 LDAP_OBJ_POSIXGROUP,
5765 LDAP_OBJ_GROUPMAP);
5766 if (filter == NULL) {
5767 return NT_STATUS_NO_MEMORY;
5768 }
5769
5770 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5771 if (rc != LDAP_SUCCESS) {
5772 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5773 return NT_STATUS_UNSUCCESSFUL;
5774 }
5775 talloc_autofree_ldapmsg(tmp_ctx, result);
5776
5777 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5778
5779 if (num_result == 0) {
5780 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5781 return NT_STATUS_NO_SUCH_GROUP;
5782 }
5783
5784 if (num_result > 1) {
5785 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5786 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5787 }
5788
5789 entry = ldap_first_entry(priv2ld(ldap_state), result);
5790 if (!entry) {
5791 return NT_STATUS_UNSUCCESSFUL;
5792 }
5793
5794 /* here it is, retrieve the dn for later use */
5795 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5796 if (!dn) {
5797 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5798 return NT_STATUS_NO_MEMORY;
5799 }
5800
5801 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5802 if (!gidstr) {
5803 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5804 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5805 }
5806
5807 /* check no user have this group marked as primary group */
5808 filter = talloc_asprintf(tmp_ctx,
5809 "(&(gidNumber=%s)"
5810 "(objectClass=%s)"
5811 "(objectClass=%s))",
5812 gidstr,
5813 LDAP_OBJ_POSIXACCOUNT,
5814 LDAP_OBJ_SAMBASAMACCOUNT);
5815
5816 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5817 if (rc != LDAP_SUCCESS) {
5818 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5819 return NT_STATUS_UNSUCCESSFUL;
5820 }
5821 talloc_autofree_ldapmsg(tmp_ctx, result);
5822
5823 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5824
5825 if (num_result != 0) {
5826 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5827 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5828 }
5829
5830 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5831 if (rc != LDAP_SUCCESS) {
5832 return NT_STATUS_UNSUCCESSFUL;
5833 }
5834
5835 return NT_STATUS_OK;
5836 }
5837
5838 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5839 TALLOC_CTX *tmp_ctx,
5840 uint32_t group_rid,
5841 uint32_t member_rid,
5842 int modop)
5843 {
5844 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5845 LDAPMessage *entry = NULL;
5846 LDAPMessage *result = NULL;
5847 uint32_t num_result;
5848 LDAPMod **mods = NULL;
5849 char *filter;
5850 char *uidstr;
5851 const char *dn = NULL;
5852 struct dom_sid group_sid;
5853 struct dom_sid member_sid;
5854 int rc;
5855
5856 switch (modop) {
5857 case LDAP_MOD_ADD:
5858 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5859 break;
5860 case LDAP_MOD_DELETE:
5861 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5862 break;
5863 default:
5864 return NT_STATUS_UNSUCCESSFUL;
5865 }
5866
5867 /* get member sid */
5868 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5869
5870 /* get the group sid */
5871 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5872
5873 filter = talloc_asprintf(tmp_ctx,
5874 "(&(sambaSID=%s)"
5875 "(objectClass=%s)"
5876 "(objectClass=%s))",
5877 sid_string_talloc(tmp_ctx, &member_sid),
5878 LDAP_OBJ_POSIXACCOUNT,
5879 LDAP_OBJ_SAMBASAMACCOUNT);
5880 if (filter == NULL) {
5881 return NT_STATUS_NO_MEMORY;
5882 }
5883
5884 /* get the member uid */
5885 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5886 if (rc != LDAP_SUCCESS) {
5887 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5888 return NT_STATUS_UNSUCCESSFUL;
5889 }
5890 talloc_autofree_ldapmsg(tmp_ctx, result);
5891
5892 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5893
5894 if (num_result == 0) {
5895 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5896 return NT_STATUS_NO_SUCH_MEMBER;
5897 }
5898
5899 if (num_result > 1) {
5900 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5901 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5902 }
5903
5904 entry = ldap_first_entry(priv2ld(ldap_state), result);
5905 if (!entry) {
5906 return NT_STATUS_UNSUCCESSFUL;
5907 }
5908
5909 if (modop == LDAP_MOD_DELETE) {
5910 /* check if we are trying to remove the member from his primary group */
5911 char *gidstr;
5912 gid_t user_gid, group_gid;
5913
5914 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5915 if (!gidstr) {
5916 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5917 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5918 }
5919
5920 user_gid = strtoul(gidstr, NULL, 10);
5921
5922 if (!sid_to_gid(&group_sid, &group_gid)) {
5923 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5924 return NT_STATUS_UNSUCCESSFUL;
5925 }
5926
5927 if (user_gid == group_gid) {
5928 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5929 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5930 }
5931 }
5932
5933 /* here it is, retrieve the uid for later use */
5934 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5935 if (!uidstr) {
5936 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5937 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5938 }
5939
5940 filter = talloc_asprintf(tmp_ctx,
5941 "(&(sambaSID=%s)"
5942 "(objectClass=%s)"
5943 "(objectClass=%s))",
5944 sid_string_talloc(tmp_ctx, &group_sid),
5945 LDAP_OBJ_POSIXGROUP,
5946 LDAP_OBJ_GROUPMAP);
5947
5948 /* get the group */
5949 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5950 if (rc != LDAP_SUCCESS) {
5951 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5952 return NT_STATUS_UNSUCCESSFUL;
5953 }
5954 talloc_autofree_ldapmsg(tmp_ctx, result);
5955
5956 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5957
5958 if (num_result == 0) {
5959 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5960 return NT_STATUS_NO_SUCH_GROUP;
5961 }
5962
5963 if (num_result > 1) {
5964 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5965 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5966 }
5967
5968 entry = ldap_first_entry(priv2ld(ldap_state), result);
5969 if (!entry) {
5970 return NT_STATUS_UNSUCCESSFUL;
5971 }
5972
5973 /* here it is, retrieve the dn for later use */
5974 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5975 if (!dn) {
5976 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5977 return NT_STATUS_NO_MEMORY;
5978 }
5979
5980 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5981
5982 talloc_autofree_ldapmod(tmp_ctx, mods);
5983
5984 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5985 if (rc != LDAP_SUCCESS) {
5986 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5987 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5988 return NT_STATUS_MEMBER_IN_GROUP;
5989 }
5990 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5991 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5992 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5993 }
5994 return NT_STATUS_UNSUCCESSFUL;
5995 }
5996
5997 return NT_STATUS_OK;
5998 }
5999
6000 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
6001 TALLOC_CTX *tmp_ctx,
6002 uint32_t group_rid,
6003 uint32_t member_rid)
6004 {
6005 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6006 }
6007 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6008 TALLOC_CTX *tmp_ctx,
6009 uint32_t group_rid,
6010 uint32_t member_rid)
6011 {
6012 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6013 }
6014
6015 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6016 TALLOC_CTX *mem_ctx,
6017 struct samu *sampass)
6018 {
6019 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6020 LDAPMessage *entry = NULL;
6021 LDAPMessage *result = NULL;
6022 uint32_t num_result;
6023 LDAPMod **mods = NULL;
6024 char *filter;
6025 char *escape_username;
6026 char *gidstr;
6027 const char *dn = NULL;
6028 gid_t gid;
6029 int rc;
6030
6031 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6032
6033 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6034 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6035 return NT_STATUS_UNSUCCESSFUL;
6036 }
6037 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6038 if (!gidstr) {
6039 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6040 return NT_STATUS_NO_MEMORY;
6041 }
6042
6043 escape_username = escape_ldap_string(talloc_tos(),
6044 pdb_get_username(sampass));
6045 if (escape_username== NULL) {
6046 return NT_STATUS_NO_MEMORY;
6047 }
6048
6049 filter = talloc_asprintf(mem_ctx,
6050 "(&(uid=%s)"
6051 "(objectClass=%s)"
6052 "(objectClass=%s))",
6053 escape_username,
6054 LDAP_OBJ_POSIXACCOUNT,
6055 LDAP_OBJ_SAMBASAMACCOUNT);
6056
6057 TALLOC_FREE(escape_username);
6058
6059 if (filter == NULL) {
6060 return NT_STATUS_NO_MEMORY;
6061 }
6062
6063 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6064 if (rc != LDAP_SUCCESS) {
6065 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6066 return NT_STATUS_UNSUCCESSFUL;
6067 }
6068 talloc_autofree_ldapmsg(mem_ctx, result);
6069
6070 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6071
6072 if (num_result == 0) {
6073 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6074 return NT_STATUS_NO_SUCH_USER;
6075 }
6076
6077 if (num_result > 1) {
6078 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6079 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6080 }
6081
6082 entry = ldap_first_entry(priv2ld(ldap_state), result);
6083 if (!entry) {
6084 return NT_STATUS_UNSUCCESSFUL;
6085 }
6086
6087 /* retrieve the dn for later use */
6088 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6089 if (!dn) {
6090 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6091 return NT_STATUS_NO_MEMORY;
6092 }
6093
6094 /* remove the old one, and add the new one, this way we do not risk races */
6095 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6096
6097 if (mods == NULL) {
6098 return NT_STATUS_OK;
6099 }
6100
6101 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6102
6103 if (rc != LDAP_SUCCESS) {
6104 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6105 pdb_get_username(sampass), gidstr));
6106 return NT_STATUS_UNSUCCESSFUL;
6107 }
6108
6109 flush_pwnam_cache();
6110
6111 return NT_STATUS_OK;
6112 }
6113
6114
6115 /**********************************************************************
6116 trusted domains functions
6117 *********************************************************************/
6118
6119 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6120 const char *domain)
6121 {
6122 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6123 ldap_state->domain_dn);
6124 }
6125
6126 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6127 TALLOC_CTX *mem_ctx,
6128 const char *domain, LDAPMessage **entry)
6129 {
6130 int rc;
6131 char *filter;
6132 int scope = LDAP_SCOPE_SUBTREE;
6133 const char **attrs = NULL; /* NULL: get all attrs */
6134 int attrsonly = 0; /* 0: return values too */
6135 LDAPMessage *result = NULL;
6136 char *trusted_dn;
6137 uint32_t num_result;
6138
6139 filter = talloc_asprintf(talloc_tos(),
6140 "(&(objectClass=%s)(sambaDomainName=%s))",
6141 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6142
6143 trusted_dn = trusteddom_dn(ldap_state, domain);
6144 if (trusted_dn == NULL) {
6145 return False;
6146 }
6147 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6148 filter, attrs, attrsonly, &result);
6149
6150 if (result != NULL) {
6151 talloc_autofree_ldapmsg(mem_ctx, result);
6152 }
6153
6154 if (rc == LDAP_NO_SUCH_OBJECT) {
6155 *entry = NULL;
6156 return True;
6157 }
6158
6159 if (rc != LDAP_SUCCESS) {
6160 return False;
6161 }
6162
6163 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6164
6165 if (num_result > 1) {
6166 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6167 "%s object for domain '%s'?!\n",
6168 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6169 return False;
6170 }
6171
6172 if (num_result == 0) {
6173 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6174 "%s object for domain %s.\n",
6175 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6176 *entry = NULL;
6177 } else {
6178 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6179 }
6180
6181 return True;
6182 }
6183
6184 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6185 const char *domain,
6186 char** pwd,
6187 struct dom_sid *sid,
6188 time_t *pass_last_set_time)
6189 {
6190 struct ldapsam_privates *ldap_state =
6191 (struct ldapsam_privates *)methods->private_data;
6192 LDAPMessage *entry = NULL;
6193
6194 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6195
6196 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6197 (entry == NULL))
6198 {
6199 return False;
6200 }
6201
6202 /* password */
6203 if (pwd != NULL) {
6204 char *pwd_str;
6205 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6206 entry, "sambaClearTextPassword", talloc_tos());
6207 if (pwd_str == NULL) {
6208 return False;
6209 }
6210 /* trusteddom_pw routines do not use talloc yet... */
6211 *pwd = SMB_STRDUP(pwd_str);
6212 if (*pwd == NULL) {
6213 return False;
6214 }
6215 }
6216
6217 /* last change time */
6218 if (pass_last_set_time != NULL) {
6219 char *time_str;
6220 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6221 entry, "sambaPwdLastSet", talloc_tos());
6222 if (time_str == NULL) {
6223 return False;
6224 }
6225 *pass_last_set_time = (time_t)atol(time_str);
6226 }
6227
6228 /* domain sid */
6229 if (sid != NULL) {
6230 char *sid_str;
6231 struct dom_sid dom_sid;
6232 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6233 entry, "sambaSID",
6234 talloc_tos());
6235 if (sid_str == NULL) {
6236 return False;
6237 }
6238 if (!string_to_sid(&dom_sid, sid_str)) {
6239 return False;
6240 }
6241 sid_copy(sid, &dom_sid);
6242 }
6243
6244 return True;
6245 }
6246
6247 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6248 const char* domain,
6249 const char* pwd,
6250 const struct dom_sid *sid)
6251 {
6252 struct ldapsam_privates *ldap_state =
6253 (struct ldapsam_privates *)methods->private_data;
6254 LDAPMessage *entry = NULL;
6255 LDAPMod **mods = NULL;
6256 char *prev_pwd = NULL;
6257 char *trusted_dn = NULL;
6258 int rc;
6259
6260 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6261
6262 /*
6263 * get the current entry (if there is one) in order to put the
6264 * current password into the previous password attribute
6265 */
6266 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6267 return False;
6268 }
6269
6270 mods = NULL;
6271 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6272 LDAP_OBJ_TRUSTDOM_PASSWORD);
6273 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6274 domain);
6275 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6276 sid_string_tos(sid));
6277 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6278 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6279 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6280 "sambaClearTextPassword", pwd);
6281
6282 if (entry != NULL) {
6283 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6284 entry, "sambaClearTextPassword", talloc_tos());
6285 if (prev_pwd != NULL) {
6286 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6287 "sambaPreviousClearTextPassword",
6288 prev_pwd);
6289 }
6290 }
6291
6292 talloc_autofree_ldapmod(talloc_tos(), mods);
6293
6294 trusted_dn = trusteddom_dn(ldap_state, domain);
6295 if (trusted_dn == NULL) {
6296 return False;
6297 }
6298 if (entry == NULL) {
6299 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6300 } else {
6301 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6302 }
6303
6304 if (rc != LDAP_SUCCESS) {
6305 DEBUG(1, ("error writing trusted domain password!\n"));
6306 return False;
6307 }
6308
6309 return True;
6310 }
6311
6312 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6313 const char *domain)
6314 {
6315 int rc;
6316 struct ldapsam_privates *ldap_state =
6317 (struct ldapsam_privates *)methods->private_data;
6318 LDAPMessage *entry = NULL;
6319 const char *trusted_dn;
6320
6321 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6322 return False;
6323 }
6324
6325 if (entry == NULL) {
6326 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6327 "%s\n", domain));
6328 return True;
6329 }
6330
6331 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6332 entry);
6333 if (trusted_dn == NULL) {
6334 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6335 return False;
6336 }
6337
6338 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6339 if (rc != LDAP_SUCCESS) {
6340 return False;
6341 }
6342
6343 return True;
6344 }
6345
6346 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6347 TALLOC_CTX *mem_ctx,
6348 uint32_t *num_domains,
6349 struct trustdom_info ***domains)
6350 {
6351 int rc;
6352 struct ldapsam_privates *ldap_state =
6353 (struct ldapsam_privates *)methods->private_data;
6354 char *filter;
6355 int scope = LDAP_SCOPE_SUBTREE;
6356 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6357 int attrsonly = 0; /* 0: return values too */
6358 LDAPMessage *result = NULL;
6359 LDAPMessage *entry = NULL;
6360
6361 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6362 LDAP_OBJ_TRUSTDOM_PASSWORD);
6363
6364 rc = smbldap_search(ldap_state->smbldap_state,
6365 ldap_state->domain_dn,
6366 scope,
6367 filter,
6368 attrs,
6369 attrsonly,
6370 &result);
6371
6372 if (result != NULL) {
6373 talloc_autofree_ldapmsg(mem_ctx, result);
6374 }
6375
6376 if (rc != LDAP_SUCCESS) {
6377 return NT_STATUS_UNSUCCESSFUL;
6378 }
6379
6380 *num_domains = 0;
6381 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6382 DEBUG(1, ("talloc failed\n"));
6383 return NT_STATUS_NO_MEMORY;
6384 }
6385
6386 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6387 entry != NULL;
6388 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6389 {
6390 char *dom_name, *dom_sid_str;
6391 struct trustdom_info *dom_info;
6392
6393 dom_info = TALLOC_P(*domains, struct trustdom_info);
6394 if (dom_info == NULL) {
6395 DEBUG(1, ("talloc failed\n"));
6396 return NT_STATUS_NO_MEMORY;
6397 }
6398
6399 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6400 entry,
6401 "sambaDomainName",
6402 talloc_tos());
6403 if (dom_name == NULL) {
6404 DEBUG(1, ("talloc failed\n"));
6405 return NT_STATUS_NO_MEMORY;
6406 }
6407 dom_info->name = dom_name;
6408
6409 dom_sid_str = smbldap_talloc_single_attribute(
6410 priv2ld(ldap_state), entry, "sambaSID",
6411 talloc_tos());
6412 if (dom_sid_str == NULL) {
6413 DEBUG(1, ("talloc failed\n"));
6414 return NT_STATUS_NO_MEMORY;
6415 }
6416 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6417 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6418 dom_sid_str));
6419 return NT_STATUS_UNSUCCESSFUL;
6420 }
6421
6422 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6423 domains, num_domains);
6424
6425 if (*domains == NULL) {
6426 DEBUG(1, ("talloc failed\n"));
6427 return NT_STATUS_NO_MEMORY;
6428 }
6429 }
6430
6431 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6432 return NT_STATUS_OK;
6433 }
6434
6435
6436 /**********************************************************************
6437 Housekeeping
6438 *********************************************************************/
6439
6440 static void free_private_data(void **vp)
6441 {
6442 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6443
6444 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6445
6446 if ((*ldap_state)->result != NULL) {
6447 ldap_msgfree((*ldap_state)->result);
6448 (*ldap_state)->result = NULL;
6449 }
6450 if ((*ldap_state)->domain_dn != NULL) {
6451 SAFE_FREE((*ldap_state)->domain_dn);
6452 }
6453
6454 *ldap_state = NULL;
6455
6456 /* No need to free any further, as it is talloc()ed */
6457 }
6458
6459 /*********************************************************************
6460 Intitalise the parts of the pdb_methods structure that are common to
6461 all pdb_ldap modes
6462 *********************************************************************/
6463
6464 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6465 {
6466 NTSTATUS nt_status;
6467 struct ldapsam_privates *ldap_state;
6468
6469 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6470 return nt_status;
6471 }
6472
6473 (*pdb_method)->name = "ldapsam";
6474
6475 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6476 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6477 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6478 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6479 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6480 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6481
6482 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6483 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6484 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6485 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6486 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6487 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6488 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6489
6490 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6491 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6492
6493 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6494
6495 (*pdb_method)->capabilities = ldapsam_capabilities;
6496 (*pdb_method)->new_rid = ldapsam_new_rid;
6497
6498 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6499 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6500 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6501 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6502
6503 /* TODO: Setup private data and free */
6504
6505 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6506 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6507 return NT_STATUS_NO_MEMORY;
6508 }
6509
6510 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6511 location, &ldap_state->smbldap_state);
6512
6513 if ( !NT_STATUS_IS_OK(nt_status) ) {
6514 return nt_status;
6515 }
6516
6517 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6518 return NT_STATUS_NO_MEMORY;
6519 }
6520
6521 (*pdb_method)->private_data = ldap_state;
6522
6523 (*pdb_method)->free_private_data = free_private_data;
6524
6525 return NT_STATUS_OK;
6526 }
6527
6528 /**********************************************************************
6529 Initialise the 'compat' mode for pdb_ldap
6530 *********************************************************************/
6531
6532 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6533 {
6534 NTSTATUS nt_status;
6535 struct ldapsam_privates *ldap_state;
6536 char *uri = talloc_strdup( NULL, location );
6537
6538 trim_char( uri, '\"', '\"' );
6539 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6540 if ( uri )
6541 TALLOC_FREE( uri );
6542
6543 if ( !NT_STATUS_IS_OK(nt_status) ) {
6544 return nt_status;
6545 }
6546
6547 (*pdb_method)->name = "ldapsam_compat";
6548
6549 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6550 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6551
6552 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6553
6554 return NT_STATUS_OK;
6555 }
6556
6557 /**********************************************************************
6558 Initialise the normal mode for pdb_ldap
6559 *********************************************************************/
6560
6561 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6562 {
6563 NTSTATUS nt_status;
6564 struct ldapsam_privates *ldap_state = NULL;
6565 uint32_t alg_rid_base;
6566 char *alg_rid_base_string = NULL;
6567 LDAPMessage *result = NULL;
6568 LDAPMessage *entry = NULL;
6569 struct dom_sid ldap_domain_sid;
6570 struct dom_sid secrets_domain_sid;
6571 char *domain_sid_string = NULL;
6572 char *dn = NULL;
6573 char *uri = talloc_strdup( NULL, location );
6574
6575 trim_char( uri, '\"', '\"' );
6576 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6577
6578 TALLOC_FREE(uri);
6579
6580 if (!NT_STATUS_IS_OK(nt_status)) {
6581 return nt_status;
6582 }
6583
6584 (*pdb_method)->name = "ldapsam";
6585
6586 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6587 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6588 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6589 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6590 (*pdb_method)->search_users = ldapsam_search_users;
6591 (*pdb_method)->search_groups = ldapsam_search_groups;
6592 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6593
6594 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6595 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6596 (*pdb_method)->enum_group_memberships =
6597 ldapsam_enum_group_memberships;
6598 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6599 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6600 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6601 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6602
6603 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6604 (*pdb_method)->create_user = ldapsam_create_user;
6605 (*pdb_method)->delete_user = ldapsam_delete_user;
6606 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6607 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6608 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6609 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6610 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6611 }
6612 }
6613
6614 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6615 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6616
6617 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6618
6619 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6620 &result,
6621 ldap_state->domain_name, True);
6622
6623 if ( !NT_STATUS_IS_OK(nt_status) ) {
6624 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6625 "info, nor add one to the domain\n"));
6626 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6627 "will be unable to allocate new users/groups, "
6628 "and will risk BDCs having inconsistant SIDs\n"));
6629 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6630 return NT_STATUS_OK;
6631 }
6632
6633 /* Given that the above might fail, everything below this must be
6634 * optional */
6635
6636 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6637 result);
6638 if (!entry) {
6639 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6640 "entry\n"));
6641 ldap_msgfree(result);
6642 return NT_STATUS_UNSUCCESSFUL;
6643 }
6644
6645 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6646 if (!dn) {
6647 ldap_msgfree(result);
6648 return NT_STATUS_UNSUCCESSFUL;
6649 }
6650
6651 ldap_state->domain_dn = smb_xstrdup(dn);
6652 TALLOC_FREE(dn);
6653
6654 domain_sid_string = smbldap_talloc_single_attribute(
6655 ldap_state->smbldap_state->ldap_struct,
6656 entry,
6657 get_userattr_key2string(ldap_state->schema_ver,
6658 LDAP_ATTR_USER_SID),
6659 talloc_tos());
6660
6661 if (domain_sid_string) {
6662 bool found_sid;
6663 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6664 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6665 "read as a valid SID\n", domain_sid_string));
6666 ldap_msgfree(result);
6667 TALLOC_FREE(domain_sid_string);
6668 return NT_STATUS_INVALID_PARAMETER;
6669 }
6670 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6671 &secrets_domain_sid);
6672 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6673 &ldap_domain_sid)) {
6674 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6675 "%s based on pdb_ldap results %s -> %s\n",
6676 ldap_state->domain_name,
6677 sid_string_dbg(&secrets_domain_sid),
6678 sid_string_dbg(&ldap_domain_sid)));
6679
6680 /* reset secrets.tdb sid */
6681 secrets_store_domain_sid(ldap_state->domain_name,
6682 &ldap_domain_sid);
6683 DEBUG(1, ("New global sam SID: %s\n",
6684 sid_string_dbg(get_global_sam_sid())));
6685 }
6686 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6687 TALLOC_FREE(domain_sid_string);
6688 }
6689
6690 alg_rid_base_string = smbldap_talloc_single_attribute(
6691 ldap_state->smbldap_state->ldap_struct,
6692 entry,
6693 get_attr_key2string( dominfo_attr_list,
6694 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6695 talloc_tos());
6696 if (alg_rid_base_string) {
6697 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6698 if (alg_rid_base != algorithmic_rid_base()) {
6699 DEBUG(0, ("The value of 'algorithmic RID base' has "
6700 "changed since the LDAP\n"
6701 "database was initialised. Aborting. \n"));
6702 ldap_msgfree(result);
6703 TALLOC_FREE(alg_rid_base_string);
6704 return NT_STATUS_UNSUCCESSFUL;
6705 }
6706 TALLOC_FREE(alg_rid_base_string);
6707 }
6708 ldap_msgfree(result);
6709
6710 return NT_STATUS_OK;
6711 }
6712
6713 NTSTATUS pdb_ldap_init(void)
6714 {
6715 NTSTATUS nt_status;
6716 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6717 return nt_status;
6718
6719 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6720 return nt_status;
6721
6722 /* Let pdb_nds register backends */
6723 pdb_nds_init();
6724
6725 return NT_STATUS_OK;
6726 }
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