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WHATSNEW: Update changes since 3.6.0.
[Samba.git] / source3 / passdb / pdb_ldap.c
blob7ce5edcefa9d91dc7e9c1a1c7a2b96c674fee65b
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 "passdb.h"
48 #include "../libcli/auth/libcli_auth.h"
49 #include "secrets.h"
50 #include "idmap_cache.h"
51 #include "../libcli/security/security.h"
52 #include "../lib/util/util_pw.h"
53 #include "lib/winbind_util.h"
54
55 #undef DBGC_CLASS
56 #define DBGC_CLASS DBGC_PASSDB
57
58 #include <lber.h>
59 #include <ldap.h>
60
61
62 #include "smbldap.h"
63
64 /**********************************************************************
65 Simple helper function to make stuff better readable
66 **********************************************************************/
67
68 LDAP *priv2ld(struct ldapsam_privates *priv)
69 {
70 return priv->smbldap_state->ldap_struct;
71 }
72
73 /**********************************************************************
74 Get the attribute name given a user schame version.
75 **********************************************************************/
76
77 static const char* get_userattr_key2string( int schema_ver, int key )
78 {
79 switch ( schema_ver ) {
80 case SCHEMAVER_SAMBAACCOUNT:
81 return get_attr_key2string( attrib_map_v22, key );
82
83 case SCHEMAVER_SAMBASAMACCOUNT:
84 return get_attr_key2string( attrib_map_v30, key );
85
86 default:
87 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
88 break;
89 }
90 return NULL;
91 }
92
93 /**********************************************************************
94 Return the list of attribute names given a user schema version.
95 **********************************************************************/
96
97 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
98 {
99 switch ( schema_ver ) {
100 case SCHEMAVER_SAMBAACCOUNT:
101 return get_attr_list( mem_ctx, attrib_map_v22 );
102
103 case SCHEMAVER_SAMBASAMACCOUNT:
104 return get_attr_list( mem_ctx, attrib_map_v30 );
105 default:
106 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
107 break;
108 }
109
110 return NULL;
111 }
112
113 /**************************************************************************
114 Return the list of attribute names to delete given a user schema version.
115 **************************************************************************/
116
117 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
118 int schema_ver )
119 {
120 switch ( schema_ver ) {
121 case SCHEMAVER_SAMBAACCOUNT:
122 return get_attr_list( mem_ctx,
123 attrib_map_to_delete_v22 );
124
125 case SCHEMAVER_SAMBASAMACCOUNT:
126 return get_attr_list( mem_ctx,
127 attrib_map_to_delete_v30 );
128 default:
129 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
130 break;
131 }
132
133 return NULL;
134 }
135
136
137 /*******************************************************************
138 Generate the LDAP search filter for the objectclass based on the
139 version of the schema we are using.
140 ******************************************************************/
141
142 static const char* get_objclass_filter( int schema_ver )
143 {
144 fstring objclass_filter;
145 char *result;
146
147 switch( schema_ver ) {
148 case SCHEMAVER_SAMBAACCOUNT:
149 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
150 break;
151 case SCHEMAVER_SAMBASAMACCOUNT:
152 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
153 break;
154 default:
155 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
156 objclass_filter[0] = '\0';
157 break;
158 }
159
160 result = talloc_strdup(talloc_tos(), objclass_filter);
161 SMB_ASSERT(result != NULL);
162 return result;
163 }
164
165 /*****************************************************************
166 Scan a sequence number off OpenLDAP's syncrepl contextCSN
167 ******************************************************************/
168
169 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
170 {
171 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
172 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
173 LDAPMessage *msg = NULL;
174 LDAPMessage *entry = NULL;
175 TALLOC_CTX *mem_ctx;
176 char **values = NULL;
177 int rc, num_result, num_values, rid;
178 char *suffix = NULL;
179 char *tok;
180 const char *p;
181 const char **attrs;
182
183 /* Unfortunatly there is no proper way to detect syncrepl-support in
184 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
185 * but do not show up in the root-DSE yet. Neither we can query the
186 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
187 * objectclass. Currently we require lp_ldap_suffix() to show up as
188 * namingContext. - Guenther
189 */
190
191 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
192 return ntstatus;
193 }
194
195 if (!seq_num) {
196 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
197 return ntstatus;
198 }
199
200 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
201 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
202 "as top-level namingContext\n", lp_ldap_suffix()));
203 return ntstatus;
204 }
205
206 mem_ctx = talloc_init("ldapsam_get_seq_num");
207
208 if (mem_ctx == NULL)
209 return NT_STATUS_NO_MEMORY;
210
211 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
212 ntstatus = NT_STATUS_NO_MEMORY;
213 goto done;
214 }
215
216 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
217 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
218 if (rid > 0) {
219
220 /* consumer syncreplCookie: */
221 /* csn=20050126161620Z#0000001#00#00000 */
222 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
223 attrs[1] = NULL;
224 suffix = talloc_asprintf(mem_ctx,
225 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
226 if (!suffix) {
227 ntstatus = NT_STATUS_NO_MEMORY;
228 goto done;
229 }
230 } else {
231
232 /* provider contextCSN */
233 /* 20050126161620Z#000009#00#000000 */
234 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
235 attrs[1] = NULL;
236 suffix = talloc_asprintf(mem_ctx,
237 "cn=ldapsync,%s", lp_ldap_suffix());
238
239 if (!suffix) {
240 ntstatus = NT_STATUS_NO_MEMORY;
241 goto done;
242 }
243 }
244
245 rc = smbldap_search(ldap_state->smbldap_state, suffix,
246 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
247
248 if (rc != LDAP_SUCCESS) {
249 goto done;
250 }
251
252 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
253 if (num_result != 1) {
254 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
255 goto done;
256 }
257
258 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
259 if (entry == NULL) {
260 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
261 goto done;
262 }
263
264 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
265 if (values == NULL) {
266 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
267 goto done;
268 }
269
270 num_values = ldap_count_values(values);
271 if (num_values == 0) {
272 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
273 goto done;
274 }
275
276 p = values[0];
277 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
278 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
279 goto done;
280 }
281
282 p = tok;
283 if (!strncmp(p, "csn=", strlen("csn=")))
284 p += strlen("csn=");
285
286 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
287
288 *seq_num = generalized_to_unix_time(p);
289
290 /* very basic sanity check */
291 if (*seq_num <= 0) {
292 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
293 (int)*seq_num));
294 goto done;
295 }
296
297 ntstatus = NT_STATUS_OK;
298
299 done:
300 if (values != NULL)
301 ldap_value_free(values);
302 if (msg != NULL)
303 ldap_msgfree(msg);
304 if (mem_ctx)
305 talloc_destroy(mem_ctx);
306
307 return ntstatus;
308 }
309
310 /*******************************************************************
311 Run the search by name.
312 ******************************************************************/
313
314 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
315 const char *user,
316 LDAPMessage ** result,
317 const char **attr)
318 {
319 char *filter = NULL;
320 char *escape_user = escape_ldap_string(talloc_tos(), user);
321 int ret = -1;
322
323 if (!escape_user) {
324 return LDAP_NO_MEMORY;
325 }
326
327 /*
328 * in the filter expression, replace %u with the real name
329 * so in ldap filter, %u MUST exist :-)
330 */
331 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
332 get_objclass_filter(ldap_state->schema_ver));
333 if (!filter) {
334 TALLOC_FREE(escape_user);
335 return LDAP_NO_MEMORY;
336 }
337 /*
338 * have to use this here because $ is filtered out
339 * in string_sub
340 */
341
342 filter = talloc_all_string_sub(talloc_tos(),
343 filter, "%u", escape_user);
344 TALLOC_FREE(escape_user);
345 if (!filter) {
346 return LDAP_NO_MEMORY;
347 }
348
349 ret = smbldap_search_suffix(ldap_state->smbldap_state,
350 filter, attr, result);
351 TALLOC_FREE(filter);
352 return ret;
353 }
354
355 /*******************************************************************
356 Run the search by rid.
357 ******************************************************************/
358
359 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
360 uint32_t rid, LDAPMessage ** result,
361 const char **attr)
362 {
363 char *filter = NULL;
364 int rc;
365
366 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
367 get_objclass_filter(ldap_state->schema_ver));
368 if (!filter) {
369 return LDAP_NO_MEMORY;
370 }
371
372 rc = smbldap_search_suffix(ldap_state->smbldap_state,
373 filter, attr, result);
374 TALLOC_FREE(filter);
375 return rc;
376 }
377
378 /*******************************************************************
379 Run the search by SID.
380 ******************************************************************/
381
382 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
383 const struct dom_sid *sid, LDAPMessage ** result,
384 const char **attr)
385 {
386 char *filter = NULL;
387 int rc;
388 fstring sid_string;
389
390 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
391 get_userattr_key2string(ldap_state->schema_ver,
392 LDAP_ATTR_USER_SID),
393 sid_to_fstring(sid_string, sid),
394 get_objclass_filter(ldap_state->schema_ver));
395 if (!filter) {
396 return LDAP_NO_MEMORY;
397 }
398
399 rc = smbldap_search_suffix(ldap_state->smbldap_state,
400 filter, attr, result);
401
402 TALLOC_FREE(filter);
403 return rc;
404 }
405
406 /*******************************************************************
407 Delete complete object or objectclass and attrs from
408 object found in search_result depending on lp_ldap_delete_dn
409 ******************************************************************/
410
411 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
412 TALLOC_CTX *mem_ctx,
413 LDAPMessage *entry,
414 const char *objectclass,
415 const char **attrs)
416 {
417 LDAPMod **mods = NULL;
418 char *name;
419 const char *dn;
420 BerElement *ptr = NULL;
421
422 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
423 if (dn == NULL) {
424 return LDAP_NO_MEMORY;
425 }
426
427 if (lp_ldap_delete_dn()) {
428 return smbldap_delete(priv->smbldap_state, dn);
429 }
430
431 /* Ok, delete only the SAM attributes */
432
433 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
434 name != NULL;
435 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
436 const char **attrib;
437
438 /* We are only allowed to delete the attributes that
439 really exist. */
440
441 for (attrib = attrs; *attrib != NULL; attrib++) {
442 if (strequal(*attrib, name)) {
443 DEBUG(10, ("ldapsam_delete_entry: deleting "
444 "attribute %s\n", name));
445 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
446 NULL);
447 }
448 }
449 ldap_memfree(name);
450 }
451
452 if (ptr != NULL) {
453 ber_free(ptr, 0);
454 }
455
456 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
457 talloc_autofree_ldapmod(mem_ctx, mods);
458
459 return smbldap_modify(priv->smbldap_state, dn, mods);
460 }
461
462 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
463 {
464 char *temp;
465 struct tm tm;
466
467 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
468 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
469 talloc_tos());
470 if (!temp) {
471 return (time_t) 0;
472 }
473
474 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
475 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
476 (char*)temp));
477 TALLOC_FREE(temp);
478 return (time_t) 0;
479 }
480 TALLOC_FREE(temp);
481 tzset();
482 return timegm(&tm);
483 }
484
485 /**********************************************************************
486 Initialize struct samu from an LDAP query.
487 (Based on init_sam_from_buffer in pdb_tdb.c)
488 *********************************************************************/
489
490 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
491 struct samu * sampass,
492 LDAPMessage * entry)
493 {
494 time_t logon_time,
495 logoff_time,
496 kickoff_time,
497 pass_last_set_time,
498 pass_can_change_time,
499 pass_must_change_time,
500 ldap_entry_time,
501 bad_password_time;
502 char *username = NULL,
503 *domain = NULL,
504 *nt_username = NULL,
505 *fullname = NULL,
506 *homedir = NULL,
507 *dir_drive = NULL,
508 *logon_script = NULL,
509 *profile_path = NULL,
510 *acct_desc = NULL,
511 *workstations = NULL,
512 *munged_dial = NULL;
513 uint32_t user_rid;
514 uint8 smblmpwd[LM_HASH_LEN],
515 smbntpwd[NT_HASH_LEN];
516 bool use_samba_attrs = True;
517 uint32_t acct_ctrl = 0;
518 uint16_t logon_divs;
519 uint16_t bad_password_count = 0,
520 logon_count = 0;
521 uint32_t hours_len;
522 uint8 hours[MAX_HOURS_LEN];
523 char *temp = NULL;
524 struct login_cache cache_entry;
525 uint32_t pwHistLen;
526 bool expand_explicit = lp_passdb_expand_explicit();
527 bool ret = false;
528 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
529
530 if (!ctx) {
531 return false;
532 }
533 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
534 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
535 goto fn_exit;
536 }
537
538 if (priv2ld(ldap_state) == NULL) {
539 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
540 "ldap_struct is NULL!\n"));
541 goto fn_exit;
542 }
543
544 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
545 entry,
546 "uid",
547 ctx))) {
548 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
549 "this user!\n"));
550 goto fn_exit;
551 }
552
553 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
554
555 nt_username = talloc_strdup(ctx, username);
556 if (!nt_username) {
557 goto fn_exit;
558 }
559
560 domain = talloc_strdup(ctx, ldap_state->domain_name);
561 if (!domain) {
562 goto fn_exit;
563 }
564
565 pdb_set_username(sampass, username, PDB_SET);
566
567 pdb_set_domain(sampass, domain, PDB_DEFAULT);
568 pdb_set_nt_username(sampass, nt_username, PDB_SET);
569
570 /* deal with different attributes between the schema first */
571
572 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
573 if ((temp = smbldap_talloc_single_attribute(
574 ldap_state->smbldap_state->ldap_struct,
575 entry,
576 get_userattr_key2string(ldap_state->schema_ver,
577 LDAP_ATTR_USER_SID),
578 ctx))!=NULL) {
579 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
580 }
581 } else {
582 if ((temp = smbldap_talloc_single_attribute(
583 ldap_state->smbldap_state->ldap_struct,
584 entry,
585 get_userattr_key2string(ldap_state->schema_ver,
586 LDAP_ATTR_USER_RID),
587 ctx))!=NULL) {
588 user_rid = (uint32_t)atol(temp);
589 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
590 }
591 }
592
593 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
594 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 get_userattr_key2string(ldap_state->schema_ver,
598 LDAP_ATTR_USER_RID),
599 username));
600 return False;
601 }
602
603 temp = smbldap_talloc_single_attribute(
604 ldap_state->smbldap_state->ldap_struct,
605 entry,
606 get_userattr_key2string(ldap_state->schema_ver,
607 LDAP_ATTR_PWD_LAST_SET),
608 ctx);
609 if (temp) {
610 pass_last_set_time = (time_t) atol(temp);
611 pdb_set_pass_last_set_time(sampass,
612 pass_last_set_time, PDB_SET);
613 }
614
615 temp = smbldap_talloc_single_attribute(
616 ldap_state->smbldap_state->ldap_struct,
617 entry,
618 get_userattr_key2string(ldap_state->schema_ver,
619 LDAP_ATTR_LOGON_TIME),
620 ctx);
621 if (temp) {
622 logon_time = (time_t) atol(temp);
623 pdb_set_logon_time(sampass, logon_time, PDB_SET);
624 }
625
626 temp = smbldap_talloc_single_attribute(
627 ldap_state->smbldap_state->ldap_struct,
628 entry,
629 get_userattr_key2string(ldap_state->schema_ver,
630 LDAP_ATTR_LOGOFF_TIME),
631 ctx);
632 if (temp) {
633 logoff_time = (time_t) atol(temp);
634 pdb_set_logoff_time(sampass, logoff_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_KICKOFF_TIME),
642 ctx);
643 if (temp) {
644 kickoff_time = (time_t) atol(temp);
645 pdb_set_kickoff_time(sampass, kickoff_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_PWD_CAN_CHANGE),
653 ctx);
654 if (temp) {
655 pass_can_change_time = (time_t) atol(temp);
656 pdb_set_pass_can_change_time(sampass,
657 pass_can_change_time, PDB_SET);
658 }
659
660 temp = smbldap_talloc_single_attribute(
661 ldap_state->smbldap_state->ldap_struct,
662 entry,
663 get_userattr_key2string(ldap_state->schema_ver,
664 LDAP_ATTR_PWD_MUST_CHANGE),
665 ctx);
666 if (temp) {
667 pass_must_change_time = (time_t) atol(temp);
668 pdb_set_pass_must_change_time(sampass,
669 pass_must_change_time, PDB_SET);
670 }
671
672 /* recommend that 'gecos' and 'displayName' should refer to the same
673 * attribute OID. userFullName depreciated, only used by Samba
674 * primary rules of LDAP: don't make a new attribute when one is already defined
675 * that fits your needs; using cn then displayName rather than 'userFullName'
676 */
677
678 fullname = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_DISPLAY_NAME),
683 ctx);
684 if (fullname) {
685 pdb_set_fullname(sampass, fullname, PDB_SET);
686 } else {
687 fullname = smbldap_talloc_single_attribute(
688 ldap_state->smbldap_state->ldap_struct,
689 entry,
690 get_userattr_key2string(ldap_state->schema_ver,
691 LDAP_ATTR_CN),
692 ctx);
693 if (fullname) {
694 pdb_set_fullname(sampass, fullname, PDB_SET);
695 }
696 }
697
698 dir_drive = smbldap_talloc_single_attribute(
699 ldap_state->smbldap_state->ldap_struct,
700 entry,
701 get_userattr_key2string(ldap_state->schema_ver,
702 LDAP_ATTR_HOME_DRIVE),
703 ctx);
704 if (dir_drive) {
705 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
706 } else {
707 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
708 }
709
710 homedir = smbldap_talloc_single_attribute(
711 ldap_state->smbldap_state->ldap_struct,
712 entry,
713 get_userattr_key2string(ldap_state->schema_ver,
714 LDAP_ATTR_HOME_PATH),
715 ctx);
716 if (homedir) {
717 if (expand_explicit) {
718 homedir = talloc_sub_basic(ctx,
719 username,
720 domain,
721 homedir);
722 if (!homedir) {
723 goto fn_exit;
724 }
725 }
726 pdb_set_homedir(sampass, homedir, PDB_SET);
727 } else {
728 pdb_set_homedir(sampass,
729 talloc_sub_basic(ctx, username, domain,
730 lp_logon_home()),
731 PDB_DEFAULT);
732 }
733
734 logon_script = smbldap_talloc_single_attribute(
735 ldap_state->smbldap_state->ldap_struct,
736 entry,
737 get_userattr_key2string(ldap_state->schema_ver,
738 LDAP_ATTR_LOGON_SCRIPT),
739 ctx);
740 if (logon_script) {
741 if (expand_explicit) {
742 logon_script = talloc_sub_basic(ctx,
743 username,
744 domain,
745 logon_script);
746 if (!logon_script) {
747 goto fn_exit;
748 }
749 }
750 pdb_set_logon_script(sampass, logon_script, PDB_SET);
751 } else {
752 pdb_set_logon_script(sampass,
753 talloc_sub_basic(ctx, username, domain,
754 lp_logon_script()),
755 PDB_DEFAULT );
756 }
757
758 profile_path = smbldap_talloc_single_attribute(
759 ldap_state->smbldap_state->ldap_struct,
760 entry,
761 get_userattr_key2string(ldap_state->schema_ver,
762 LDAP_ATTR_PROFILE_PATH),
763 ctx);
764 if (profile_path) {
765 if (expand_explicit) {
766 profile_path = talloc_sub_basic(ctx,
767 username,
768 domain,
769 profile_path);
770 if (!profile_path) {
771 goto fn_exit;
772 }
773 }
774 pdb_set_profile_path(sampass, profile_path, PDB_SET);
775 } else {
776 pdb_set_profile_path(sampass,
777 talloc_sub_basic(ctx, username, domain,
778 lp_logon_path()),
779 PDB_DEFAULT );
780 }
781
782 acct_desc = smbldap_talloc_single_attribute(
783 ldap_state->smbldap_state->ldap_struct,
784 entry,
785 get_userattr_key2string(ldap_state->schema_ver,
786 LDAP_ATTR_DESC),
787 ctx);
788 if (acct_desc) {
789 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
790 }
791
792 workstations = smbldap_talloc_single_attribute(
793 ldap_state->smbldap_state->ldap_struct,
794 entry,
795 get_userattr_key2string(ldap_state->schema_ver,
796 LDAP_ATTR_USER_WKS),
797 ctx);
798 if (workstations) {
799 pdb_set_workstations(sampass, workstations, PDB_SET);
800 }
801
802 munged_dial = smbldap_talloc_single_attribute(
803 ldap_state->smbldap_state->ldap_struct,
804 entry,
805 get_userattr_key2string(ldap_state->schema_ver,
806 LDAP_ATTR_MUNGED_DIAL),
807 ctx);
808 if (munged_dial) {
809 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
810 }
811
812 /* FIXME: hours stuff should be cleaner */
813
814 logon_divs = 168;
815 hours_len = 21;
816 memset(hours, 0xff, hours_len);
817
818 if (ldap_state->is_nds_ldap) {
819 char *user_dn;
820 size_t pwd_len;
821 char clear_text_pw[512];
822
823 /* Make call to Novell eDirectory ldap extension to get clear text password.
824 NOTE: This will only work if we have an SSL connection to eDirectory. */
825 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
826 if (user_dn != NULL) {
827 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
828
829 pwd_len = sizeof(clear_text_pw);
830 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
831 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
832 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
833 TALLOC_FREE(user_dn);
834 return False;
835 }
836 ZERO_STRUCT(smblmpwd);
837 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
838 TALLOC_FREE(user_dn);
839 return False;
840 }
841 ZERO_STRUCT(smbntpwd);
842 use_samba_attrs = False;
843 }
844
845 TALLOC_FREE(user_dn);
846
847 } else {
848 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
849 }
850 }
851
852 if (use_samba_attrs) {
853 temp = smbldap_talloc_single_attribute(
854 ldap_state->smbldap_state->ldap_struct,
855 entry,
856 get_userattr_key2string(ldap_state->schema_ver,
857 LDAP_ATTR_LMPW),
858 ctx);
859 if (temp) {
860 pdb_gethexpwd(temp, smblmpwd);
861 memset((char *)temp, '\0', strlen(temp)+1);
862 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
863 goto fn_exit;
864 }
865 ZERO_STRUCT(smblmpwd);
866 }
867
868 temp = smbldap_talloc_single_attribute(
869 ldap_state->smbldap_state->ldap_struct,
870 entry,
871 get_userattr_key2string(ldap_state->schema_ver,
872 LDAP_ATTR_NTPW),
873 ctx);
874 if (temp) {
875 pdb_gethexpwd(temp, smbntpwd);
876 memset((char *)temp, '\0', strlen(temp)+1);
877 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
878 goto fn_exit;
879 }
880 ZERO_STRUCT(smbntpwd);
881 }
882 }
883
884 pwHistLen = 0;
885
886 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
887 if (pwHistLen > 0){
888 uint8 *pwhist = NULL;
889 int i;
890 char *history_string = TALLOC_ARRAY(ctx, char,
891 MAX_PW_HISTORY_LEN*64);
892
893 if (!history_string) {
894 goto fn_exit;
895 }
896
897 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
898
899 pwhist = TALLOC_ARRAY(ctx, uint8,
900 pwHistLen * PW_HISTORY_ENTRY_LEN);
901 if (pwhist == NULL) {
902 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
903 goto fn_exit;
904 }
905 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
906
907 if (smbldap_get_single_attribute(
908 ldap_state->smbldap_state->ldap_struct,
909 entry,
910 get_userattr_key2string(ldap_state->schema_ver,
911 LDAP_ATTR_PWD_HISTORY),
912 history_string,
913 MAX_PW_HISTORY_LEN*64)) {
914 bool hex_failed = false;
915 for (i = 0; i < pwHistLen; i++){
916 /* Get the 16 byte salt. */
917 if (!pdb_gethexpwd(&history_string[i*64],
918 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
919 hex_failed = true;
920 break;
921 }
922 /* Get the 16 byte MD5 hash of salt+passwd. */
923 if (!pdb_gethexpwd(&history_string[(i*64)+32],
924 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
925 PW_HISTORY_SALT_LEN])) {
926 hex_failed = True;
927 break;
928 }
929 }
930 if (hex_failed) {
931 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
932 username));
933 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
934 }
935 }
936 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
937 goto fn_exit;
938 }
939 }
940
941 temp = smbldap_talloc_single_attribute(
942 ldap_state->smbldap_state->ldap_struct,
943 entry,
944 get_userattr_key2string(ldap_state->schema_ver,
945 LDAP_ATTR_ACB_INFO),
946 ctx);
947 if (temp) {
948 acct_ctrl = pdb_decode_acct_ctrl(temp);
949
950 if (acct_ctrl == 0) {
951 acct_ctrl |= ACB_NORMAL;
952 }
953
954 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
955 } else {
956 acct_ctrl |= ACB_NORMAL;
957 }
958
959 pdb_set_hours_len(sampass, hours_len, PDB_SET);
960 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
961
962 temp = smbldap_talloc_single_attribute(
963 ldap_state->smbldap_state->ldap_struct,
964 entry,
965 get_userattr_key2string(ldap_state->schema_ver,
966 LDAP_ATTR_BAD_PASSWORD_COUNT),
967 ctx);
968 if (temp) {
969 bad_password_count = (uint32_t) atol(temp);
970 pdb_set_bad_password_count(sampass,
971 bad_password_count, PDB_SET);
972 }
973
974 temp = smbldap_talloc_single_attribute(
975 ldap_state->smbldap_state->ldap_struct,
976 entry,
977 get_userattr_key2string(ldap_state->schema_ver,
978 LDAP_ATTR_BAD_PASSWORD_TIME),
979 ctx);
980 if (temp) {
981 bad_password_time = (time_t) atol(temp);
982 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
983 }
984
985
986 temp = smbldap_talloc_single_attribute(
987 ldap_state->smbldap_state->ldap_struct,
988 entry,
989 get_userattr_key2string(ldap_state->schema_ver,
990 LDAP_ATTR_LOGON_COUNT),
991 ctx);
992 if (temp) {
993 logon_count = (uint32_t) atol(temp);
994 pdb_set_logon_count(sampass, logon_count, PDB_SET);
995 }
996
997 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
998
999 temp = smbldap_talloc_single_attribute(
1000 ldap_state->smbldap_state->ldap_struct,
1001 entry,
1002 get_userattr_key2string(ldap_state->schema_ver,
1003 LDAP_ATTR_LOGON_HOURS),
1004 ctx);
1005 if (temp) {
1006 pdb_gethexhours(temp, hours);
1007 memset((char *)temp, '\0', strlen(temp) +1);
1008 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1009 ZERO_STRUCT(hours);
1010 }
1011
1012 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1013 struct passwd unix_pw;
1014 bool have_uid = false;
1015 bool have_gid = false;
1016 struct dom_sid mapped_gsid;
1017 const struct dom_sid *primary_gsid;
1018
1019 ZERO_STRUCT(unix_pw);
1020
1021 unix_pw.pw_name = username;
1022 unix_pw.pw_passwd = discard_const_p(char, "x");
1023
1024 temp = smbldap_talloc_single_attribute(
1025 priv2ld(ldap_state),
1026 entry,
1027 "uidNumber",
1028 ctx);
1029 if (temp) {
1030 /* We've got a uid, feed the cache */
1031 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1032 have_uid = true;
1033 }
1034 temp = smbldap_talloc_single_attribute(
1035 priv2ld(ldap_state),
1036 entry,
1037 "gidNumber",
1038 ctx);
1039 if (temp) {
1040 /* We've got a uid, feed the cache */
1041 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1042 have_gid = true;
1043 }
1044 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1045 priv2ld(ldap_state),
1046 entry,
1047 "gecos",
1048 ctx);
1049 if (unix_pw.pw_gecos) {
1050 unix_pw.pw_gecos = fullname;
1051 }
1052 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1053 priv2ld(ldap_state),
1054 entry,
1055 "homeDirectory",
1056 ctx);
1057 if (unix_pw.pw_dir) {
1058 unix_pw.pw_dir = discard_const_p(char, "");
1059 }
1060 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1061 priv2ld(ldap_state),
1062 entry,
1063 "loginShell",
1064 ctx);
1065 if (unix_pw.pw_shell) {
1066 unix_pw.pw_shell = discard_const_p(char, "");
1067 }
1068
1069 if (have_uid && have_gid) {
1070 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1071 } else {
1072 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1073 }
1074
1075 if (sampass->unix_pw == NULL) {
1076 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1077 pdb_get_username(sampass)));
1078 goto fn_exit;
1079 }
1080
1081 store_uid_sid_cache(pdb_get_user_sid(sampass),
1082 sampass->unix_pw->pw_uid);
1083 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1084 sampass->unix_pw->pw_uid);
1085
1086 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1087 primary_gsid = pdb_get_group_sid(sampass);
1088 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1089 store_gid_sid_cache(primary_gsid,
1090 sampass->unix_pw->pw_gid);
1091 idmap_cache_set_sid2gid(primary_gsid,
1092 sampass->unix_pw->pw_gid);
1093 }
1094 }
1095
1096 /* check the timestamp of the cache vs ldap entry */
1097 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1098 entry))) {
1099 ret = true;
1100 goto fn_exit;
1101 }
1102
1103 /* see if we have newer updates */
1104 if (!login_cache_read(sampass, &cache_entry)) {
1105 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1106 (unsigned int)pdb_get_bad_password_count(sampass),
1107 (unsigned int)pdb_get_bad_password_time(sampass)));
1108 ret = true;
1109 goto fn_exit;
1110 }
1111
1112 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1113 (unsigned int)ldap_entry_time,
1114 (unsigned int)cache_entry.entry_timestamp,
1115 (unsigned int)cache_entry.bad_password_time));
1116
1117 if (ldap_entry_time > cache_entry.entry_timestamp) {
1118 /* cache is older than directory , so
1119 we need to delete the entry but allow the
1120 fields to be written out */
1121 login_cache_delentry(sampass);
1122 } else {
1123 /* read cache in */
1124 pdb_set_acct_ctrl(sampass,
1125 pdb_get_acct_ctrl(sampass) |
1126 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1127 PDB_SET);
1128 pdb_set_bad_password_count(sampass,
1129 cache_entry.bad_password_count,
1130 PDB_SET);
1131 pdb_set_bad_password_time(sampass,
1132 cache_entry.bad_password_time,
1133 PDB_SET);
1134 }
1135
1136 ret = true;
1137
1138 fn_exit:
1139
1140 TALLOC_FREE(ctx);
1141 return ret;
1142 }
1143
1144 /**********************************************************************
1145 Initialize the ldap db from a struct samu. Called on update.
1146 (Based on init_buffer_from_sam in pdb_tdb.c)
1147 *********************************************************************/
1148
1149 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1150 LDAPMessage *existing,
1151 LDAPMod *** mods, struct samu * sampass,
1152 bool (*need_update)(const struct samu *,
1153 enum pdb_elements))
1154 {
1155 char *temp = NULL;
1156 uint32_t rid;
1157
1158 if (mods == NULL || sampass == NULL) {
1159 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1160 return False;
1161 }
1162
1163 *mods = NULL;
1164
1165 /*
1166 * took out adding "objectclass: sambaAccount"
1167 * do this on a per-mod basis
1168 */
1169 if (need_update(sampass, PDB_USERNAME)) {
1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171 "uid", pdb_get_username(sampass));
1172 if (ldap_state->is_nds_ldap) {
1173 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1174 "cn", pdb_get_username(sampass));
1175 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1176 "sn", pdb_get_username(sampass));
1177 }
1178 }
1179
1180 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1181
1182 /* only update the RID if we actually need to */
1183 if (need_update(sampass, PDB_USERSID)) {
1184 fstring sid_string;
1185 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1186
1187 switch ( ldap_state->schema_ver ) {
1188 case SCHEMAVER_SAMBAACCOUNT:
1189 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1190 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1191 sid_string_dbg(user_sid),
1192 sid_string_dbg(
1193 &ldap_state->domain_sid)));
1194 return False;
1195 }
1196 if (asprintf(&temp, "%i", rid) < 0) {
1197 return false;
1198 }
1199 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1200 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1201 temp);
1202 SAFE_FREE(temp);
1203 break;
1204
1205 case SCHEMAVER_SAMBASAMACCOUNT:
1206 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1207 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1208 sid_to_fstring(sid_string, user_sid));
1209 break;
1210
1211 default:
1212 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1213 break;
1214 }
1215 }
1216
1217 /* we don't need to store the primary group RID - so leaving it
1218 'free' to hang off the unix primary group makes life easier */
1219
1220 if (need_update(sampass, PDB_GROUPSID)) {
1221 fstring sid_string;
1222 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1223
1224 switch ( ldap_state->schema_ver ) {
1225 case SCHEMAVER_SAMBAACCOUNT:
1226 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1227 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1228 sid_string_dbg(group_sid),
1229 sid_string_dbg(
1230 &ldap_state->domain_sid)));
1231 return False;
1232 }
1233
1234 if (asprintf(&temp, "%i", rid) < 0) {
1235 return false;
1236 }
1237 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1238 get_userattr_key2string(ldap_state->schema_ver,
1239 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1240 SAFE_FREE(temp);
1241 break;
1242
1243 case SCHEMAVER_SAMBASAMACCOUNT:
1244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver,
1246 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1247 break;
1248
1249 default:
1250 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1251 break;
1252 }
1253
1254 }
1255
1256 /* displayName, cn, and gecos should all be the same
1257 * most easily accomplished by giving them the same OID
1258 * gecos isn't set here b/c it should be handled by the
1259 * add-user script
1260 * We change displayName only and fall back to cn if
1261 * it does not exist.
1262 */
1263
1264 if (need_update(sampass, PDB_FULLNAME))
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1267 pdb_get_fullname(sampass));
1268
1269 if (need_update(sampass, PDB_ACCTDESC))
1270 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1271 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1272 pdb_get_acct_desc(sampass));
1273
1274 if (need_update(sampass, PDB_WORKSTATIONS))
1275 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1276 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1277 pdb_get_workstations(sampass));
1278
1279 if (need_update(sampass, PDB_MUNGEDDIAL))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1282 pdb_get_munged_dial(sampass));
1283
1284 if (need_update(sampass, PDB_SMBHOME))
1285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1287 pdb_get_homedir(sampass));
1288
1289 if (need_update(sampass, PDB_DRIVE))
1290 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1292 pdb_get_dir_drive(sampass));
1293
1294 if (need_update(sampass, PDB_LOGONSCRIPT))
1295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1297 pdb_get_logon_script(sampass));
1298
1299 if (need_update(sampass, PDB_PROFILE))
1300 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1302 pdb_get_profile_path(sampass));
1303
1304 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1305 return false;
1306 }
1307 if (need_update(sampass, PDB_LOGONTIME))
1308 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1309 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1310 SAFE_FREE(temp);
1311
1312 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1313 return false;
1314 }
1315 if (need_update(sampass, PDB_LOGOFFTIME))
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1318 SAFE_FREE(temp);
1319
1320 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1321 return false;
1322 }
1323 if (need_update(sampass, PDB_KICKOFFTIME))
1324 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1325 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1326 SAFE_FREE(temp);
1327
1328 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1329 return false;
1330 }
1331 if (need_update(sampass, PDB_CANCHANGETIME))
1332 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1333 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1334 SAFE_FREE(temp);
1335
1336 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1337 return false;
1338 }
1339 if (need_update(sampass, PDB_MUSTCHANGETIME))
1340 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1341 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1342 SAFE_FREE(temp);
1343
1344 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1345 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1346
1347 if (need_update(sampass, PDB_LMPASSWD)) {
1348 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1349 if (lm_pw) {
1350 char pwstr[34];
1351 pdb_sethexpwd(pwstr, lm_pw,
1352 pdb_get_acct_ctrl(sampass));
1353 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1354 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1355 pwstr);
1356 } else {
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1359 NULL);
1360 }
1361 }
1362 if (need_update(sampass, PDB_NTPASSWD)) {
1363 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1364 if (nt_pw) {
1365 char pwstr[34];
1366 pdb_sethexpwd(pwstr, nt_pw,
1367 pdb_get_acct_ctrl(sampass));
1368 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1370 pwstr);
1371 } else {
1372 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1373 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1374 NULL);
1375 }
1376 }
1377
1378 if (need_update(sampass, PDB_PWHISTORY)) {
1379 char *pwstr = NULL;
1380 uint32_t pwHistLen = 0;
1381 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1382
1383 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1384 if (!pwstr) {
1385 return false;
1386 }
1387 if (pwHistLen == 0) {
1388 /* Remove any password history from the LDAP store. */
1389 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1390 pwstr[64] = '\0';
1391 } else {
1392 int i;
1393 uint32_t currHistLen = 0;
1394 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1395 if (pwhist != NULL) {
1396 /* We can only store (1024-1/64 password history entries. */
1397 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1398 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1399 /* Store the salt. */
1400 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1401 /* Followed by the md5 hash of salt + md4 hash */
1402 pdb_sethexpwd(&pwstr[(i*64)+32],
1403 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1404 DEBUG(100, ("pwstr=%s\n", pwstr));
1405 }
1406 }
1407 }
1408 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1409 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1410 pwstr);
1411 SAFE_FREE(pwstr);
1412 }
1413
1414 if (need_update(sampass, PDB_PASSLASTSET)) {
1415 if (asprintf(&temp, "%li",
1416 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1417 return false;
1418 }
1419 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1420 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1421 temp);
1422 SAFE_FREE(temp);
1423 }
1424 }
1425
1426 if (need_update(sampass, PDB_HOURS)) {
1427 const uint8 *hours = pdb_get_hours(sampass);
1428 if (hours) {
1429 char hourstr[44];
1430 pdb_sethexhours(hourstr, hours);
1431 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1432 existing,
1433 mods,
1434 get_userattr_key2string(ldap_state->schema_ver,
1435 LDAP_ATTR_LOGON_HOURS),
1436 hourstr);
1437 }
1438 }
1439
1440 if (need_update(sampass, PDB_ACCTCTRL))
1441 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1442 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1443 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1444
1445 /* password lockout cache:
1446 - If we are now autolocking or clearing, we write to ldap
1447 - If we are clearing, we delete the cache entry
1448 - If the count is > 0, we update the cache
1449
1450 This even means when autolocking, we cache, just in case the
1451 update doesn't work, and we have to cache the autolock flag */
1452
1453 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1454 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1455 uint16_t badcount = pdb_get_bad_password_count(sampass);
1456 time_t badtime = pdb_get_bad_password_time(sampass);
1457 uint32_t pol;
1458 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1459
1460 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1461 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1462
1463 if ((badcount >= pol) || (badcount == 0)) {
1464 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1465 (unsigned int)badcount, (unsigned int)badtime));
1466 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1467 return false;
1468 }
1469 smbldap_make_mod(
1470 ldap_state->smbldap_state->ldap_struct,
1471 existing, mods,
1472 get_userattr_key2string(
1473 ldap_state->schema_ver,
1474 LDAP_ATTR_BAD_PASSWORD_COUNT),
1475 temp);
1476 SAFE_FREE(temp);
1477
1478 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1479 return false;
1480 }
1481 smbldap_make_mod(
1482 ldap_state->smbldap_state->ldap_struct,
1483 existing, mods,
1484 get_userattr_key2string(
1485 ldap_state->schema_ver,
1486 LDAP_ATTR_BAD_PASSWORD_TIME),
1487 temp);
1488 SAFE_FREE(temp);
1489 }
1490 if (badcount == 0) {
1491 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1492 login_cache_delentry(sampass);
1493 } else {
1494 struct login_cache cache_entry;
1495
1496 cache_entry.entry_timestamp = time(NULL);
1497 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1498 cache_entry.bad_password_count = badcount;
1499 cache_entry.bad_password_time = badtime;
1500
1501 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1502 login_cache_write(sampass, &cache_entry);
1503 }
1504 }
1505
1506 return True;
1507 }
1508
1509 /**********************************************************************
1510 End enumeration of the LDAP password list.
1511 *********************************************************************/
1512
1513 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1514 {
1515 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1516 if (ldap_state->result) {
1517 ldap_msgfree(ldap_state->result);
1518 ldap_state->result = NULL;
1519 }
1520 }
1521
1522 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1523 const char *new_attr)
1524 {
1525 int i;
1526
1527 if (new_attr == NULL) {
1528 return;
1529 }
1530
1531 for (i=0; (*attr_list)[i] != NULL; i++) {
1532 ;
1533 }
1534
1535 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1536 const char *, i+2);
1537 SMB_ASSERT((*attr_list) != NULL);
1538 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1539 (*attr_list)[i+1] = NULL;
1540 }
1541
1542 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1543 const char ***attr_list)
1544 {
1545 append_attr(mem_ctx, attr_list, "uidNumber");
1546 append_attr(mem_ctx, attr_list, "gidNumber");
1547 append_attr(mem_ctx, attr_list, "homeDirectory");
1548 append_attr(mem_ctx, attr_list, "loginShell");
1549 append_attr(mem_ctx, attr_list, "gecos");
1550 }
1551
1552 /**********************************************************************
1553 Get struct samu entry from LDAP by username.
1554 *********************************************************************/
1555
1556 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1557 {
1558 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1559 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1560 LDAPMessage *result = NULL;
1561 LDAPMessage *entry = NULL;
1562 int count;
1563 const char ** attr_list;
1564 int rc;
1565
1566 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1567 append_attr(user, &attr_list,
1568 get_userattr_key2string(ldap_state->schema_ver,
1569 LDAP_ATTR_MOD_TIMESTAMP));
1570 ldapsam_add_unix_attributes(user, &attr_list);
1571 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1572 attr_list);
1573 TALLOC_FREE( attr_list );
1574
1575 if ( rc != LDAP_SUCCESS )
1576 return NT_STATUS_NO_SUCH_USER;
1577
1578 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1579
1580 if (count < 1) {
1581 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1582 ldap_msgfree(result);
1583 return NT_STATUS_NO_SUCH_USER;
1584 } else if (count > 1) {
1585 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1586 ldap_msgfree(result);
1587 return NT_STATUS_NO_SUCH_USER;
1588 }
1589
1590 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1591 if (entry) {
1592 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1593 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1594 ldap_msgfree(result);
1595 return NT_STATUS_NO_SUCH_USER;
1596 }
1597 pdb_set_backend_private_data(user, result, NULL,
1598 my_methods, PDB_CHANGED);
1599 talloc_autofree_ldapmsg(user, result);
1600 ret = NT_STATUS_OK;
1601 } else {
1602 ldap_msgfree(result);
1603 }
1604 return ret;
1605 }
1606
1607 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1608 const struct dom_sid *sid, LDAPMessage **result)
1609 {
1610 int rc = -1;
1611 const char ** attr_list;
1612 uint32_t rid;
1613
1614 switch ( ldap_state->schema_ver ) {
1615 case SCHEMAVER_SAMBASAMACCOUNT: {
1616 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1617 if (tmp_ctx == NULL) {
1618 return LDAP_NO_MEMORY;
1619 }
1620
1621 attr_list = get_userattr_list(tmp_ctx,
1622 ldap_state->schema_ver);
1623 append_attr(tmp_ctx, &attr_list,
1624 get_userattr_key2string(
1625 ldap_state->schema_ver,
1626 LDAP_ATTR_MOD_TIMESTAMP));
1627 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1628 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1629 result, attr_list);
1630 TALLOC_FREE(tmp_ctx);
1631
1632 if ( rc != LDAP_SUCCESS )
1633 return rc;
1634 break;
1635 }
1636
1637 case SCHEMAVER_SAMBAACCOUNT:
1638 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1639 return rc;
1640 }
1641
1642 attr_list = get_userattr_list(NULL,
1643 ldap_state->schema_ver);
1644 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1645 TALLOC_FREE( attr_list );
1646
1647 if ( rc != LDAP_SUCCESS )
1648 return rc;
1649 break;
1650 }
1651 return rc;
1652 }
1653
1654 /**********************************************************************
1655 Get struct samu entry from LDAP by SID.
1656 *********************************************************************/
1657
1658 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1659 {
1660 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1661 LDAPMessage *result = NULL;
1662 LDAPMessage *entry = NULL;
1663 int count;
1664 int rc;
1665
1666 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1667 sid, &result);
1668 if (rc != LDAP_SUCCESS)
1669 return NT_STATUS_NO_SUCH_USER;
1670
1671 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1672
1673 if (count < 1) {
1674 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1675 "count=%d\n", sid_string_dbg(sid), count));
1676 ldap_msgfree(result);
1677 return NT_STATUS_NO_SUCH_USER;
1678 } else if (count > 1) {
1679 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1680 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1681 count));
1682 ldap_msgfree(result);
1683 return NT_STATUS_NO_SUCH_USER;
1684 }
1685
1686 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1687 if (!entry) {
1688 ldap_msgfree(result);
1689 return NT_STATUS_NO_SUCH_USER;
1690 }
1691
1692 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1693 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1694 ldap_msgfree(result);
1695 return NT_STATUS_NO_SUCH_USER;
1696 }
1697
1698 pdb_set_backend_private_data(user, result, NULL,
1699 my_methods, PDB_CHANGED);
1700 talloc_autofree_ldapmsg(user, result);
1701 return NT_STATUS_OK;
1702 }
1703
1704 /********************************************************************
1705 Do the actual modification - also change a plaintext passord if
1706 it it set.
1707 **********************************************************************/
1708
1709 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1710 struct samu *newpwd, char *dn,
1711 LDAPMod **mods, int ldap_op,
1712 bool (*need_update)(const struct samu *, enum pdb_elements))
1713 {
1714 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1715 int rc;
1716
1717 if (!newpwd || !dn) {
1718 return NT_STATUS_INVALID_PARAMETER;
1719 }
1720
1721 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1722 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1723 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1724 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1725 BerElement *ber;
1726 struct berval *bv;
1727 char *retoid = NULL;
1728 struct berval *retdata = NULL;
1729 char *utf8_password;
1730 char *utf8_dn;
1731 size_t converted_size;
1732 int ret;
1733
1734 if (!ldap_state->is_nds_ldap) {
1735
1736 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1737 LDAP_EXOP_MODIFY_PASSWD)) {
1738 DEBUG(2, ("ldap password change requested, but LDAP "
1739 "server does not support it -- ignoring\n"));
1740 return NT_STATUS_OK;
1741 }
1742 }
1743
1744 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1745 pdb_get_plaintext_passwd(newpwd),
1746 &converted_size))
1747 {
1748 return NT_STATUS_NO_MEMORY;
1749 }
1750
1751 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1752 TALLOC_FREE(utf8_password);
1753 return NT_STATUS_NO_MEMORY;
1754 }
1755
1756 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1757 DEBUG(0,("ber_alloc_t returns NULL\n"));
1758 TALLOC_FREE(utf8_password);
1759 TALLOC_FREE(utf8_dn);
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762
1763 if ((ber_printf (ber, "{") < 0) ||
1764 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1765 utf8_dn) < 0)) {
1766 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1767 "value <0\n"));
1768 ber_free(ber,1);
1769 TALLOC_FREE(utf8_dn);
1770 TALLOC_FREE(utf8_password);
1771 return NT_STATUS_UNSUCCESSFUL;
1772 }
1773
1774 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1775 ret = ber_printf(ber, "ts}",
1776 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1777 utf8_password);
1778 } else {
1779 ret = ber_printf(ber, "}");
1780 }
1781
1782 if (ret < 0) {
1783 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1784 "value <0\n"));
1785 ber_free(ber,1);
1786 TALLOC_FREE(utf8_dn);
1787 TALLOC_FREE(utf8_password);
1788 return NT_STATUS_UNSUCCESSFUL;
1789 }
1790
1791 if ((rc = ber_flatten (ber, &bv))<0) {
1792 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1793 ber_free(ber,1);
1794 TALLOC_FREE(utf8_dn);
1795 TALLOC_FREE(utf8_password);
1796 return NT_STATUS_UNSUCCESSFUL;
1797 }
1798
1799 TALLOC_FREE(utf8_dn);
1800 TALLOC_FREE(utf8_password);
1801 ber_free(ber, 1);
1802
1803 if (!ldap_state->is_nds_ldap) {
1804 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1805 LDAP_EXOP_MODIFY_PASSWD,
1806 bv, NULL, NULL, &retoid,
1807 &retdata);
1808 } else {
1809 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1810 pdb_get_plaintext_passwd(newpwd));
1811 }
1812 if (rc != LDAP_SUCCESS) {
1813 char *ld_error = NULL;
1814
1815 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1816 DEBUG(3, ("Could not set userPassword "
1817 "attribute due to an objectClass "
1818 "violation -- ignoring\n"));
1819 ber_bvfree(bv);
1820 return NT_STATUS_OK;
1821 }
1822
1823 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1824 &ld_error);
1825 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1826 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1827 SAFE_FREE(ld_error);
1828 ber_bvfree(bv);
1829 #if defined(LDAP_CONSTRAINT_VIOLATION)
1830 if (rc == LDAP_CONSTRAINT_VIOLATION)
1831 return NT_STATUS_PASSWORD_RESTRICTION;
1832 #endif
1833 return NT_STATUS_UNSUCCESSFUL;
1834 } else {
1835 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1836 #ifdef DEBUG_PASSWORD
1837 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1838 #endif
1839 if (retdata)
1840 ber_bvfree(retdata);
1841 if (retoid)
1842 ldap_memfree(retoid);
1843 }
1844 ber_bvfree(bv);
1845 }
1846
1847 if (!mods) {
1848 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1849 /* may be password change below however */
1850 } else {
1851 switch(ldap_op) {
1852 case LDAP_MOD_ADD:
1853 if (ldap_state->is_nds_ldap) {
1854 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1855 "objectclass",
1856 "inetOrgPerson");
1857 } else {
1858 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1859 "objectclass",
1860 LDAP_OBJ_ACCOUNT);
1861 }
1862 rc = smbldap_add(ldap_state->smbldap_state,
1863 dn, mods);
1864 break;
1865 case LDAP_MOD_REPLACE:
1866 rc = smbldap_modify(ldap_state->smbldap_state,
1867 dn ,mods);
1868 break;
1869 default:
1870 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1871 ldap_op));
1872 return NT_STATUS_INVALID_PARAMETER;
1873 }
1874
1875 if (rc!=LDAP_SUCCESS) {
1876 return NT_STATUS_UNSUCCESSFUL;
1877 }
1878 }
1879
1880 return NT_STATUS_OK;
1881 }
1882
1883 /**********************************************************************
1884 Delete entry from LDAP for username.
1885 *********************************************************************/
1886
1887 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1888 struct samu * sam_acct)
1889 {
1890 struct ldapsam_privates *priv =
1891 (struct ldapsam_privates *)my_methods->private_data;
1892 const char *sname;
1893 int rc;
1894 LDAPMessage *msg, *entry;
1895 NTSTATUS result = NT_STATUS_NO_MEMORY;
1896 const char **attr_list;
1897 TALLOC_CTX *mem_ctx;
1898
1899 if (!sam_acct) {
1900 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1901 return NT_STATUS_INVALID_PARAMETER;
1902 }
1903
1904 sname = pdb_get_username(sam_acct);
1905
1906 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1907 "LDAP.\n", sname));
1908
1909 mem_ctx = talloc_new(NULL);
1910 if (mem_ctx == NULL) {
1911 DEBUG(0, ("talloc_new failed\n"));
1912 goto done;
1913 }
1914
1915 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1916 if (attr_list == NULL) {
1917 goto done;
1918 }
1919
1920 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1921
1922 if ((rc != LDAP_SUCCESS) ||
1923 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1924 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1925 DEBUG(5, ("Could not find user %s\n", sname));
1926 result = NT_STATUS_NO_SUCH_USER;
1927 goto done;
1928 }
1929
1930 rc = ldapsam_delete_entry(
1931 priv, mem_ctx, entry,
1932 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1933 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1934 attr_list);
1935
1936 result = (rc == LDAP_SUCCESS) ?
1937 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1938
1939 done:
1940 TALLOC_FREE(mem_ctx);
1941 return result;
1942 }
1943
1944 /**********************************************************************
1945 Helper function to determine for update_sam_account whether
1946 we need LDAP modification.
1947 *********************************************************************/
1948
1949 static bool element_is_changed(const struct samu *sampass,
1950 enum pdb_elements element)
1951 {
1952 return IS_SAM_CHANGED(sampass, element);
1953 }
1954
1955 /**********************************************************************
1956 Update struct samu.
1957 *********************************************************************/
1958
1959 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1960 {
1961 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1962 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1963 int rc = 0;
1964 char *dn;
1965 LDAPMessage *result = NULL;
1966 LDAPMessage *entry = NULL;
1967 LDAPMod **mods = NULL;
1968 const char **attr_list;
1969
1970 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1971 if (!result) {
1972 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1973 if (pdb_get_username(newpwd) == NULL) {
1974 return NT_STATUS_INVALID_PARAMETER;
1975 }
1976 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1977 TALLOC_FREE( attr_list );
1978 if (rc != LDAP_SUCCESS) {
1979 return NT_STATUS_UNSUCCESSFUL;
1980 }
1981 pdb_set_backend_private_data(newpwd, result, NULL,
1982 my_methods, PDB_CHANGED);
1983 talloc_autofree_ldapmsg(newpwd, result);
1984 }
1985
1986 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1987 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1988 return NT_STATUS_UNSUCCESSFUL;
1989 }
1990
1991 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1992 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1993 if (!dn) {
1994 return NT_STATUS_UNSUCCESSFUL;
1995 }
1996
1997 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1998
1999 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2000 element_is_changed)) {
2001 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2002 TALLOC_FREE(dn);
2003 if (mods != NULL)
2004 ldap_mods_free(mods,True);
2005 return NT_STATUS_UNSUCCESSFUL;
2006 }
2007
2008 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2009 && (mods == NULL)) {
2010 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2011 pdb_get_username(newpwd)));
2012 TALLOC_FREE(dn);
2013 return NT_STATUS_OK;
2014 }
2015
2016 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2017
2018 if (mods != NULL) {
2019 ldap_mods_free(mods,True);
2020 }
2021
2022 TALLOC_FREE(dn);
2023
2024 /*
2025 * We need to set the backend private data to NULL here. For example
2026 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2027 * same one, and with the explicit delete / add logic for attribute
2028 * values the second time we would use the wrong "old" value which
2029 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2030 * the update.
2031 * The existing LDAPMessage is still being auto-freed by the
2032 * destructor.
2033 */
2034 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2035 PDB_CHANGED);
2036
2037 if (!NT_STATUS_IS_OK(ret)) {
2038 return ret;
2039 }
2040
2041 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2042 pdb_get_username(newpwd)));
2043 return NT_STATUS_OK;
2044 }
2045
2046 /***************************************************************************
2047 Renames a struct samu
2048 - The "rename user script" has full responsibility for changing everything
2049 ***************************************************************************/
2050
2051 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2052 TALLOC_CTX *tmp_ctx,
2053 uint32_t group_rid,
2054 uint32_t member_rid);
2055
2056 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2057 TALLOC_CTX *mem_ctx,
2058 struct samu *user,
2059 struct dom_sid **pp_sids,
2060 gid_t **pp_gids,
2061 uint32_t *p_num_groups);
2062
2063 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2064 struct samu *old_acct,
2065 const char *newname)
2066 {
2067 const char *oldname;
2068 int rc;
2069 char *rename_script = NULL;
2070 fstring oldname_lower, newname_lower;
2071
2072 if (!old_acct) {
2073 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2074 return NT_STATUS_INVALID_PARAMETER;
2075 }
2076 if (!newname) {
2077 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2078 return NT_STATUS_INVALID_PARAMETER;
2079 }
2080
2081 oldname = pdb_get_username(old_acct);
2082
2083 /* rename the posix user */
2084 rename_script = SMB_STRDUP(lp_renameuser_script());
2085 if (rename_script == NULL) {
2086 return NT_STATUS_NO_MEMORY;
2087 }
2088
2089 if (!(*rename_script)) {
2090 SAFE_FREE(rename_script);
2091 return NT_STATUS_ACCESS_DENIED;
2092 }
2093
2094 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2095 oldname, newname));
2096
2097 /* We have to allow the account name to end with a '$'.
2098 Also, follow the semantics in _samr_create_user() and lower case the
2099 posix name but preserve the case in passdb */
2100
2101 fstrcpy( oldname_lower, oldname );
2102 strlower_m( oldname_lower );
2103 fstrcpy( newname_lower, newname );
2104 strlower_m( newname_lower );
2105 rename_script = realloc_string_sub2(rename_script,
2106 "%unew",
2107 newname_lower,
2108 true,
2109 true);
2110 if (!rename_script) {
2111 return NT_STATUS_NO_MEMORY;
2112 }
2113 rename_script = realloc_string_sub2(rename_script,
2114 "%uold",
2115 oldname_lower,
2116 true,
2117 true);
2118 rc = smbrun(rename_script, NULL);
2119
2120 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2121 rename_script, rc));
2122
2123 SAFE_FREE(rename_script);
2124
2125 if (rc == 0) {
2126 smb_nscd_flush_user_cache();
2127 }
2128
2129 if (rc)
2130 return NT_STATUS_UNSUCCESSFUL;
2131
2132 return NT_STATUS_OK;
2133 }
2134
2135 /**********************************************************************
2136 Helper function to determine for update_sam_account whether
2137 we need LDAP modification.
2138 *********************************************************************/
2139
2140 static bool element_is_set_or_changed(const struct samu *sampass,
2141 enum pdb_elements element)
2142 {
2143 return (IS_SAM_SET(sampass, element) ||
2144 IS_SAM_CHANGED(sampass, element));
2145 }
2146
2147 /**********************************************************************
2148 Add struct samu to LDAP.
2149 *********************************************************************/
2150
2151 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2152 {
2153 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2154 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2155 int rc;
2156 LDAPMessage *result = NULL;
2157 LDAPMessage *entry = NULL;
2158 LDAPMod **mods = NULL;
2159 int ldap_op = LDAP_MOD_REPLACE;
2160 uint32_t num_result;
2161 const char **attr_list;
2162 char *escape_user = NULL;
2163 const char *username = pdb_get_username(newpwd);
2164 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2165 char *filter = NULL;
2166 char *dn = NULL;
2167 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2168 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2169
2170 if (!ctx) {
2171 return NT_STATUS_NO_MEMORY;
2172 }
2173
2174 if (!username || !*username) {
2175 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2176 status = NT_STATUS_INVALID_PARAMETER;
2177 goto fn_exit;
2178 }
2179
2180 /* free this list after the second search or in case we exit on failure */
2181 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2182
2183 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2184
2185 if (rc != LDAP_SUCCESS) {
2186 goto fn_exit;
2187 }
2188
2189 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2190 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2191 username));
2192 goto fn_exit;
2193 }
2194 ldap_msgfree(result);
2195 result = NULL;
2196
2197 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2198 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2199 sid, &result);
2200 if (rc == LDAP_SUCCESS) {
2201 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2202 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2203 "already in the base, with samba "
2204 "attributes\n", sid_string_dbg(sid)));
2205 goto fn_exit;
2206 }
2207 ldap_msgfree(result);
2208 result = NULL;
2209 }
2210 }
2211
2212 /* does the entry already exist but without a samba attributes?
2213 we need to return the samba attributes here */
2214
2215 escape_user = escape_ldap_string(talloc_tos(), username);
2216 filter = talloc_strdup(attr_list, "(uid=%u)");
2217 if (!filter) {
2218 status = NT_STATUS_NO_MEMORY;
2219 goto fn_exit;
2220 }
2221 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2222 TALLOC_FREE(escape_user);
2223 if (!filter) {
2224 status = NT_STATUS_NO_MEMORY;
2225 goto fn_exit;
2226 }
2227
2228 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2229 filter, attr_list, &result);
2230 if ( rc != LDAP_SUCCESS ) {
2231 goto fn_exit;
2232 }
2233
2234 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2235
2236 if (num_result > 1) {
2237 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2238 goto fn_exit;
2239 }
2240
2241 /* Check if we need to update an existing entry */
2242 if (num_result == 1) {
2243 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2244 ldap_op = LDAP_MOD_REPLACE;
2245 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2246 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2247 if (!dn) {
2248 status = NT_STATUS_NO_MEMORY;
2249 goto fn_exit;
2250 }
2251
2252 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2253
2254 /* There might be a SID for this account already - say an idmap entry */
2255
2256 filter = talloc_asprintf(ctx,
2257 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2258 get_userattr_key2string(ldap_state->schema_ver,
2259 LDAP_ATTR_USER_SID),
2260 sid_string_talloc(ctx, sid),
2261 LDAP_OBJ_IDMAP_ENTRY,
2262 LDAP_OBJ_SID_ENTRY);
2263 if (!filter) {
2264 status = NT_STATUS_NO_MEMORY;
2265 goto fn_exit;
2266 }
2267
2268 /* free old result before doing a new search */
2269 if (result != NULL) {
2270 ldap_msgfree(result);
2271 result = NULL;
2272 }
2273 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2274 filter, attr_list, &result);
2275
2276 if ( rc != LDAP_SUCCESS ) {
2277 goto fn_exit;
2278 }
2279
2280 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2281
2282 if (num_result > 1) {
2283 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2284 goto fn_exit;
2285 }
2286
2287 /* Check if we need to update an existing entry */
2288 if (num_result == 1) {
2289
2290 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2291 ldap_op = LDAP_MOD_REPLACE;
2292 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2293 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2294 if (!dn) {
2295 status = NT_STATUS_NO_MEMORY;
2296 goto fn_exit;
2297 }
2298 }
2299 }
2300
2301 if (num_result == 0) {
2302 char *escape_username;
2303 /* Check if we need to add an entry */
2304 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2305 ldap_op = LDAP_MOD_ADD;
2306
2307 escape_username = escape_rdn_val_string_alloc(username);
2308 if (!escape_username) {
2309 status = NT_STATUS_NO_MEMORY;
2310 goto fn_exit;
2311 }
2312
2313 if (username[strlen(username)-1] == '$') {
2314 dn = talloc_asprintf(ctx,
2315 "uid=%s,%s",
2316 escape_username,
2317 lp_ldap_machine_suffix());
2318 } else {
2319 dn = talloc_asprintf(ctx,
2320 "uid=%s,%s",
2321 escape_username,
2322 lp_ldap_user_suffix());
2323 }
2324
2325 SAFE_FREE(escape_username);
2326 if (!dn) {
2327 status = NT_STATUS_NO_MEMORY;
2328 goto fn_exit;
2329 }
2330 }
2331
2332 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2333 element_is_set_or_changed)) {
2334 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2335 if (mods != NULL) {
2336 ldap_mods_free(mods, true);
2337 }
2338 goto fn_exit;
2339 }
2340
2341 if (mods == NULL) {
2342 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2343 goto fn_exit;
2344 }
2345 switch ( ldap_state->schema_ver ) {
2346 case SCHEMAVER_SAMBAACCOUNT:
2347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2348 break;
2349 case SCHEMAVER_SAMBASAMACCOUNT:
2350 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2351 break;
2352 default:
2353 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2354 break;
2355 }
2356
2357 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2358 if (!NT_STATUS_IS_OK(ret)) {
2359 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2360 pdb_get_username(newpwd),dn));
2361 ldap_mods_free(mods, true);
2362 goto fn_exit;
2363 }
2364
2365 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2366 ldap_mods_free(mods, true);
2367
2368 status = NT_STATUS_OK;
2369
2370 fn_exit:
2371
2372 TALLOC_FREE(ctx);
2373 if (result) {
2374 ldap_msgfree(result);
2375 }
2376 return status;
2377 }
2378
2379 /**********************************************************************
2380 *********************************************************************/
2381
2382 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2383 const char *filter,
2384 LDAPMessage ** result)
2385 {
2386 int scope = LDAP_SCOPE_SUBTREE;
2387 int rc;
2388 const char **attr_list;
2389
2390 attr_list = get_attr_list(NULL, groupmap_attr_list);
2391 rc = smbldap_search(ldap_state->smbldap_state,
2392 lp_ldap_suffix (), scope,
2393 filter, attr_list, 0, result);
2394 TALLOC_FREE(attr_list);
2395
2396 return rc;
2397 }
2398
2399 /**********************************************************************
2400 *********************************************************************/
2401
2402 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2403 GROUP_MAP *map, LDAPMessage *entry)
2404 {
2405 char *temp = NULL;
2406 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2407
2408 if (ldap_state == NULL || map == NULL || entry == NULL ||
2409 ldap_state->smbldap_state->ldap_struct == NULL) {
2410 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2411 TALLOC_FREE(ctx);
2412 return false;
2413 }
2414
2415 temp = smbldap_talloc_single_attribute(
2416 ldap_state->smbldap_state->ldap_struct,
2417 entry,
2418 get_attr_key2string(groupmap_attr_list,
2419 LDAP_ATTR_GIDNUMBER),
2420 ctx);
2421 if (!temp) {
2422 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2423 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2424 TALLOC_FREE(ctx);
2425 return false;
2426 }
2427 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2428
2429 map->gid = (gid_t)atol(temp);
2430
2431 TALLOC_FREE(temp);
2432 temp = smbldap_talloc_single_attribute(
2433 ldap_state->smbldap_state->ldap_struct,
2434 entry,
2435 get_attr_key2string(groupmap_attr_list,
2436 LDAP_ATTR_GROUP_SID),
2437 ctx);
2438 if (!temp) {
2439 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2440 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2441 TALLOC_FREE(ctx);
2442 return false;
2443 }
2444
2445 if (!string_to_sid(&map->sid, temp)) {
2446 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2447 TALLOC_FREE(ctx);
2448 return false;
2449 }
2450
2451 TALLOC_FREE(temp);
2452 temp = smbldap_talloc_single_attribute(
2453 ldap_state->smbldap_state->ldap_struct,
2454 entry,
2455 get_attr_key2string(groupmap_attr_list,
2456 LDAP_ATTR_GROUP_TYPE),
2457 ctx);
2458 if (!temp) {
2459 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2460 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2461 TALLOC_FREE(ctx);
2462 return false;
2463 }
2464 map->sid_name_use = (enum lsa_SidType)atol(temp);
2465
2466 if ((map->sid_name_use < SID_NAME_USER) ||
2467 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2468 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
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_DISPLAY_NAME),
2479 ctx);
2480 if (!temp) {
2481 temp = smbldap_talloc_single_attribute(
2482 ldap_state->smbldap_state->ldap_struct,
2483 entry,
2484 get_attr_key2string(groupmap_attr_list,
2485 LDAP_ATTR_CN),
2486 ctx);
2487 if (!temp) {
2488 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2489 for gidNumber(%lu)\n",(unsigned long)map->gid));
2490 TALLOC_FREE(ctx);
2491 return false;
2492 }
2493 }
2494 fstrcpy(map->nt_name, temp);
2495
2496 TALLOC_FREE(temp);
2497 temp = smbldap_talloc_single_attribute(
2498 ldap_state->smbldap_state->ldap_struct,
2499 entry,
2500 get_attr_key2string(groupmap_attr_list,
2501 LDAP_ATTR_DESC),
2502 ctx);
2503 if (!temp) {
2504 temp = talloc_strdup(ctx, "");
2505 if (!temp) {
2506 TALLOC_FREE(ctx);
2507 return false;
2508 }
2509 }
2510 fstrcpy(map->comment, temp);
2511
2512 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2513 store_gid_sid_cache(&map->sid, map->gid);
2514 idmap_cache_set_sid2gid(&map->sid, map->gid);
2515 }
2516
2517 TALLOC_FREE(ctx);
2518 return true;
2519 }
2520
2521 /**********************************************************************
2522 *********************************************************************/
2523
2524 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2525 const char *filter,
2526 GROUP_MAP *map)
2527 {
2528 struct ldapsam_privates *ldap_state =
2529 (struct ldapsam_privates *)methods->private_data;
2530 LDAPMessage *result = NULL;
2531 LDAPMessage *entry = NULL;
2532 int count;
2533
2534 if (ldapsam_search_one_group(ldap_state, filter, &result)
2535 != LDAP_SUCCESS) {
2536 return NT_STATUS_NO_SUCH_GROUP;
2537 }
2538
2539 count = ldap_count_entries(priv2ld(ldap_state), result);
2540
2541 if (count < 1) {
2542 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2543 "%s\n", filter));
2544 ldap_msgfree(result);
2545 return NT_STATUS_NO_SUCH_GROUP;
2546 }
2547
2548 if (count > 1) {
2549 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2550 "count=%d\n", filter, count));
2551 ldap_msgfree(result);
2552 return NT_STATUS_NO_SUCH_GROUP;
2553 }
2554
2555 entry = ldap_first_entry(priv2ld(ldap_state), result);
2556
2557 if (!entry) {
2558 ldap_msgfree(result);
2559 return NT_STATUS_UNSUCCESSFUL;
2560 }
2561
2562 if (!init_group_from_ldap(ldap_state, map, entry)) {
2563 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2564 "group filter %s\n", filter));
2565 ldap_msgfree(result);
2566 return NT_STATUS_NO_SUCH_GROUP;
2567 }
2568
2569 ldap_msgfree(result);
2570 return NT_STATUS_OK;
2571 }
2572
2573 /**********************************************************************
2574 *********************************************************************/
2575
2576 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2577 struct dom_sid sid)
2578 {
2579 char *filter = NULL;
2580 NTSTATUS status;
2581 fstring tmp;
2582
2583 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2584 LDAP_OBJ_GROUPMAP,
2585 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2586 sid_to_fstring(tmp, &sid)) < 0) {
2587 return NT_STATUS_NO_MEMORY;
2588 }
2589
2590 status = ldapsam_getgroup(methods, filter, map);
2591 SAFE_FREE(filter);
2592 return status;
2593 }
2594
2595 /**********************************************************************
2596 *********************************************************************/
2597
2598 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2599 gid_t gid)
2600 {
2601 char *filter = NULL;
2602 NTSTATUS status;
2603
2604 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2605 LDAP_OBJ_GROUPMAP,
2606 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2607 (unsigned long)gid) < 0) {
2608 return NT_STATUS_NO_MEMORY;
2609 }
2610
2611 status = ldapsam_getgroup(methods, filter, map);
2612 SAFE_FREE(filter);
2613 return status;
2614 }
2615
2616 /**********************************************************************
2617 *********************************************************************/
2618
2619 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2620 const char *name)
2621 {
2622 char *filter = NULL;
2623 char *escape_name = escape_ldap_string(talloc_tos(), name);
2624 NTSTATUS status;
2625
2626 if (!escape_name) {
2627 return NT_STATUS_NO_MEMORY;
2628 }
2629
2630 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2631 LDAP_OBJ_GROUPMAP,
2632 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2633 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2634 escape_name) < 0) {
2635 TALLOC_FREE(escape_name);
2636 return NT_STATUS_NO_MEMORY;
2637 }
2638
2639 TALLOC_FREE(escape_name);
2640 status = ldapsam_getgroup(methods, filter, map);
2641 SAFE_FREE(filter);
2642 return status;
2643 }
2644
2645 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2646 LDAPMessage *entry,
2647 const struct dom_sid *domain_sid,
2648 uint32_t *rid)
2649 {
2650 fstring str;
2651 struct dom_sid sid;
2652
2653 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2654 str, sizeof(str)-1)) {
2655 DEBUG(10, ("Could not find sambaSID attribute\n"));
2656 return False;
2657 }
2658
2659 if (!string_to_sid(&sid, str)) {
2660 DEBUG(10, ("Could not convert string %s to sid\n", str));
2661 return False;
2662 }
2663
2664 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2665 DEBUG(10, ("SID %s is not in expected domain %s\n",
2666 str, sid_string_dbg(domain_sid)));
2667 return False;
2668 }
2669
2670 if (!sid_peek_rid(&sid, rid)) {
2671 DEBUG(10, ("Could not peek into RID\n"));
2672 return False;
2673 }
2674
2675 return True;
2676 }
2677
2678 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2679 TALLOC_CTX *mem_ctx,
2680 const struct dom_sid *group,
2681 uint32_t **pp_member_rids,
2682 size_t *p_num_members)
2683 {
2684 struct ldapsam_privates *ldap_state =
2685 (struct ldapsam_privates *)methods->private_data;
2686 struct smbldap_state *conn = ldap_state->smbldap_state;
2687 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2688 const char *sid_attrs[] = { "sambaSID", NULL };
2689 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2690 LDAPMessage *result = NULL;
2691 LDAPMessage *entry;
2692 char *filter;
2693 char **values = NULL;
2694 char **memberuid;
2695 char *gidstr;
2696 int rc, count;
2697
2698 *pp_member_rids = NULL;
2699 *p_num_members = 0;
2700
2701 filter = talloc_asprintf(mem_ctx,
2702 "(&(objectClass=%s)"
2703 "(objectClass=%s)"
2704 "(sambaSID=%s))",
2705 LDAP_OBJ_POSIXGROUP,
2706 LDAP_OBJ_GROUPMAP,
2707 sid_string_talloc(mem_ctx, group));
2708 if (filter == NULL) {
2709 ret = NT_STATUS_NO_MEMORY;
2710 goto done;
2711 }
2712
2713 rc = smbldap_search(conn, lp_ldap_suffix(),
2714 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2715 &result);
2716
2717 if (rc != LDAP_SUCCESS)
2718 goto done;
2719
2720 talloc_autofree_ldapmsg(mem_ctx, result);
2721
2722 count = ldap_count_entries(conn->ldap_struct, result);
2723
2724 if (count > 1) {
2725 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2726 sid_string_dbg(group)));
2727 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2728 goto done;
2729 }
2730
2731 if (count == 0) {
2732 ret = NT_STATUS_NO_SUCH_GROUP;
2733 goto done;
2734 }
2735
2736 entry = ldap_first_entry(conn->ldap_struct, result);
2737 if (entry == NULL)
2738 goto done;
2739
2740 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2741 if (!gidstr) {
2742 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2743 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2744 goto done;
2745 }
2746
2747 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2748
2749 if ((values != NULL) && (values[0] != NULL)) {
2750
2751 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2752 if (filter == NULL) {
2753 ret = NT_STATUS_NO_MEMORY;
2754 goto done;
2755 }
2756
2757 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2758 char *escape_memberuid;
2759
2760 escape_memberuid = escape_ldap_string(talloc_tos(),
2761 *memberuid);
2762 if (escape_memberuid == NULL) {
2763 ret = NT_STATUS_NO_MEMORY;
2764 goto done;
2765 }
2766
2767 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2768 TALLOC_FREE(escape_memberuid);
2769 if (filter == NULL) {
2770 ret = NT_STATUS_NO_MEMORY;
2771 goto done;
2772 }
2773 }
2774
2775 filter = talloc_asprintf_append_buffer(filter, "))");
2776 if (filter == NULL) {
2777 ret = NT_STATUS_NO_MEMORY;
2778 goto done;
2779 }
2780
2781 rc = smbldap_search(conn, lp_ldap_suffix(),
2782 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2783 &result);
2784
2785 if (rc != LDAP_SUCCESS)
2786 goto done;
2787
2788 count = ldap_count_entries(conn->ldap_struct, result);
2789 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2790
2791 talloc_autofree_ldapmsg(mem_ctx, result);
2792
2793 for (entry = ldap_first_entry(conn->ldap_struct, result);
2794 entry != NULL;
2795 entry = ldap_next_entry(conn->ldap_struct, entry))
2796 {
2797 char *sidstr;
2798 struct dom_sid sid;
2799 uint32_t rid;
2800
2801 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2802 entry, "sambaSID",
2803 mem_ctx);
2804 if (!sidstr) {
2805 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2806 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2807 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2808 goto done;
2809 }
2810
2811 if (!string_to_sid(&sid, sidstr))
2812 goto done;
2813
2814 if (!sid_check_is_in_our_domain(&sid)) {
2815 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2816 "in our domain\n"));
2817 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2818 goto done;
2819 }
2820
2821 sid_peek_rid(&sid, &rid);
2822
2823 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2824 p_num_members)) {
2825 ret = NT_STATUS_NO_MEMORY;
2826 goto done;
2827 }
2828 }
2829 }
2830
2831 filter = talloc_asprintf(mem_ctx,
2832 "(&(objectClass=%s)"
2833 "(gidNumber=%s))",
2834 LDAP_OBJ_SAMBASAMACCOUNT,
2835 gidstr);
2836
2837 rc = smbldap_search(conn, lp_ldap_suffix(),
2838 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2839 &result);
2840
2841 if (rc != LDAP_SUCCESS)
2842 goto done;
2843
2844 talloc_autofree_ldapmsg(mem_ctx, result);
2845
2846 for (entry = ldap_first_entry(conn->ldap_struct, result);
2847 entry != NULL;
2848 entry = ldap_next_entry(conn->ldap_struct, entry))
2849 {
2850 uint32_t rid;
2851
2852 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2853 entry,
2854 get_global_sam_sid(),
2855 &rid)) {
2856 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2857 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2858 goto done;
2859 }
2860
2861 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2862 p_num_members)) {
2863 ret = NT_STATUS_NO_MEMORY;
2864 goto done;
2865 }
2866 }
2867
2868 ret = NT_STATUS_OK;
2869
2870 done:
2871
2872 if (values)
2873 ldap_value_free(values);
2874
2875 return ret;
2876 }
2877
2878 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2879 TALLOC_CTX *mem_ctx,
2880 struct samu *user,
2881 struct dom_sid **pp_sids,
2882 gid_t **pp_gids,
2883 uint32_t *p_num_groups)
2884 {
2885 struct ldapsam_privates *ldap_state =
2886 (struct ldapsam_privates *)methods->private_data;
2887 struct smbldap_state *conn = ldap_state->smbldap_state;
2888 char *filter;
2889 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2890 char *escape_name;
2891 int rc, count;
2892 LDAPMessage *result = NULL;
2893 LDAPMessage *entry;
2894 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2895 uint32_t num_sids;
2896 uint32_t num_gids;
2897 char *gidstr;
2898 gid_t primary_gid = -1;
2899
2900 *pp_sids = NULL;
2901 num_sids = 0;
2902
2903 if (pdb_get_username(user) == NULL) {
2904 return NT_STATUS_INVALID_PARAMETER;
2905 }
2906
2907 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2908 if (escape_name == NULL)
2909 return NT_STATUS_NO_MEMORY;
2910
2911 if (user->unix_pw) {
2912 primary_gid = user->unix_pw->pw_gid;
2913 } else {
2914 /* retrieve the users primary gid */
2915 filter = talloc_asprintf(mem_ctx,
2916 "(&(objectClass=%s)(uid=%s))",
2917 LDAP_OBJ_SAMBASAMACCOUNT,
2918 escape_name);
2919 if (filter == NULL) {
2920 ret = NT_STATUS_NO_MEMORY;
2921 goto done;
2922 }
2923
2924 rc = smbldap_search(conn, lp_ldap_suffix(),
2925 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2926
2927 if (rc != LDAP_SUCCESS)
2928 goto done;
2929
2930 talloc_autofree_ldapmsg(mem_ctx, result);
2931
2932 count = ldap_count_entries(priv2ld(ldap_state), result);
2933
2934 switch (count) {
2935 case 0:
2936 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2937 ret = NT_STATUS_NO_SUCH_USER;
2938 goto done;
2939 case 1:
2940 entry = ldap_first_entry(priv2ld(ldap_state), result);
2941
2942 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2943 if (!gidstr) {
2944 DEBUG (1, ("Unable to find the member's gid!\n"));
2945 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2946 goto done;
2947 }
2948 primary_gid = strtoul(gidstr, NULL, 10);
2949 break;
2950 default:
2951 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2952 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2953 goto done;
2954 }
2955 }
2956
2957 filter = talloc_asprintf(mem_ctx,
2958 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2959 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2960 if (filter == NULL) {
2961 ret = NT_STATUS_NO_MEMORY;
2962 goto done;
2963 }
2964
2965 rc = smbldap_search(conn, lp_ldap_suffix(),
2966 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2967
2968 if (rc != LDAP_SUCCESS)
2969 goto done;
2970
2971 talloc_autofree_ldapmsg(mem_ctx, result);
2972
2973 num_gids = 0;
2974 *pp_gids = NULL;
2975
2976 num_sids = 0;
2977 *pp_sids = NULL;
2978
2979 /* We need to add the primary group as the first gid/sid */
2980
2981 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2982 ret = NT_STATUS_NO_MEMORY;
2983 goto done;
2984 }
2985
2986 /* This sid will be replaced later */
2987
2988 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2989 &num_sids);
2990 if (!NT_STATUS_IS_OK(ret)) {
2991 goto done;
2992 }
2993
2994 for (entry = ldap_first_entry(conn->ldap_struct, result);
2995 entry != NULL;
2996 entry = ldap_next_entry(conn->ldap_struct, entry))
2997 {
2998 fstring str;
2999 struct dom_sid sid;
3000 gid_t gid;
3001 char *end;
3002
3003 if (!smbldap_get_single_attribute(conn->ldap_struct,
3004 entry, "sambaSID",
3005 str, sizeof(str)-1))
3006 continue;
3007
3008 if (!string_to_sid(&sid, str))
3009 goto done;
3010
3011 if (!smbldap_get_single_attribute(conn->ldap_struct,
3012 entry, "gidNumber",
3013 str, sizeof(str)-1))
3014 continue;
3015
3016 gid = strtoul(str, &end, 10);
3017
3018 if (PTR_DIFF(end, str) != strlen(str))
3019 goto done;
3020
3021 if (gid == primary_gid) {
3022 sid_copy(&(*pp_sids)[0], &sid);
3023 } else {
3024 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3025 &num_gids)) {
3026 ret = NT_STATUS_NO_MEMORY;
3027 goto done;
3028 }
3029 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3030 &num_sids);
3031 if (!NT_STATUS_IS_OK(ret)) {
3032 goto done;
3033 }
3034 }
3035 }
3036
3037 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3038 DEBUG(3, ("primary group of [%s] not found\n",
3039 pdb_get_username(user)));
3040 goto done;
3041 }
3042
3043 *p_num_groups = num_sids;
3044
3045 ret = NT_STATUS_OK;
3046
3047 done:
3048
3049 TALLOC_FREE(escape_name);
3050 return ret;
3051 }
3052
3053 /**********************************************************************
3054 * Augment a posixGroup object with a sambaGroupMapping domgroup
3055 *********************************************************************/
3056
3057 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3058 struct ldapsam_privates *ldap_state,
3059 GROUP_MAP *map)
3060 {
3061 const char *filter, *dn;
3062 LDAPMessage *msg, *entry;
3063 LDAPMod **mods;
3064 int rc;
3065
3066 filter = talloc_asprintf(mem_ctx,
3067 "(&(objectClass=%s)(gidNumber=%u))",
3068 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3069 if (filter == NULL) {
3070 return NT_STATUS_NO_MEMORY;
3071 }
3072
3073 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3074 get_attr_list(mem_ctx, groupmap_attr_list),
3075 &msg);
3076 talloc_autofree_ldapmsg(mem_ctx, msg);
3077
3078 if ((rc != LDAP_SUCCESS) ||
3079 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3080 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3081 return NT_STATUS_NO_SUCH_GROUP;
3082 }
3083
3084 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3085 if (dn == NULL) {
3086 return NT_STATUS_NO_MEMORY;
3087 }
3088
3089 mods = NULL;
3090 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3091 LDAP_OBJ_GROUPMAP);
3092 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3093 sid_string_talloc(mem_ctx, &map->sid));
3094 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3095 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3096 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3097 map->nt_name);
3098 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3099 map->comment);
3100 talloc_autofree_ldapmod(mem_ctx, mods);
3101
3102 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3103 if (rc != LDAP_SUCCESS) {
3104 return NT_STATUS_ACCESS_DENIED;
3105 }
3106
3107 return NT_STATUS_OK;
3108 }
3109
3110 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3111 GROUP_MAP *map)
3112 {
3113 struct ldapsam_privates *ldap_state =
3114 (struct ldapsam_privates *)methods->private_data;
3115 LDAPMessage *msg = NULL;
3116 LDAPMod **mods = NULL;
3117 const char *attrs[] = { NULL };
3118 char *filter;
3119
3120 char *dn;
3121 TALLOC_CTX *mem_ctx;
3122 NTSTATUS result;
3123
3124 struct dom_sid sid;
3125
3126 int rc;
3127
3128 mem_ctx = talloc_new(NULL);
3129 if (mem_ctx == NULL) {
3130 DEBUG(0, ("talloc_new failed\n"));
3131 return NT_STATUS_NO_MEMORY;
3132 }
3133
3134 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3135 sid_string_talloc(mem_ctx, &map->sid));
3136 if (filter == NULL) {
3137 result = NT_STATUS_NO_MEMORY;
3138 goto done;
3139 }
3140
3141 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3142 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3143 talloc_autofree_ldapmsg(mem_ctx, msg);
3144
3145 if ((rc == LDAP_SUCCESS) &&
3146 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3147
3148 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3149 "group mapping entry\n", sid_string_dbg(&map->sid)));
3150 result = NT_STATUS_GROUP_EXISTS;
3151 goto done;
3152 }
3153
3154 switch (map->sid_name_use) {
3155
3156 case SID_NAME_DOM_GRP:
3157 /* To map a domain group we need to have a posix group
3158 to attach to. */
3159 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3160 goto done;
3161 break;
3162
3163 case SID_NAME_ALIAS:
3164 if (!sid_check_is_in_our_domain(&map->sid)
3165 && !sid_check_is_in_builtin(&map->sid) )
3166 {
3167 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3168 sid_string_dbg(&map->sid)));
3169 result = NT_STATUS_INVALID_PARAMETER;
3170 goto done;
3171 }
3172 break;
3173
3174 default:
3175 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3176 sid_type_lookup(map->sid_name_use)));
3177 result = NT_STATUS_INVALID_PARAMETER;
3178 goto done;
3179 }
3180
3181 /* Domain groups have been mapped in a separate routine, we have to
3182 * create an alias now */
3183
3184 if (map->gid == -1) {
3185 DEBUG(10, ("Refusing to map gid==-1\n"));
3186 result = NT_STATUS_INVALID_PARAMETER;
3187 goto done;
3188 }
3189
3190 if (pdb_gid_to_sid(map->gid, &sid)) {
3191 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3192 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3193 result = NT_STATUS_GROUP_EXISTS;
3194 goto done;
3195 }
3196
3197 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3198 * the best we can get out of LDAP. */
3199
3200 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3201 sid_string_talloc(mem_ctx, &map->sid),
3202 lp_ldap_group_suffix());
3203 if (dn == NULL) {
3204 result = NT_STATUS_NO_MEMORY;
3205 goto done;
3206 }
3207
3208 mods = NULL;
3209
3210 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3211 LDAP_OBJ_SID_ENTRY);
3212 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3213 LDAP_OBJ_GROUPMAP);
3214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3215 sid_string_talloc(mem_ctx, &map->sid));
3216 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3217 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3219 map->nt_name);
3220 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3221 map->comment);
3222 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3223 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3224 talloc_autofree_ldapmod(mem_ctx, mods);
3225
3226 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3227
3228 result = (rc == LDAP_SUCCESS) ?
3229 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3230
3231 done:
3232 TALLOC_FREE(mem_ctx);
3233 return result;
3234 }
3235
3236 /**********************************************************************
3237 * Update a group mapping entry. We're quite strict about what can be changed:
3238 * Only the description and displayname may be changed. It simply does not
3239 * make any sense to change the SID, gid or the type in a mapping.
3240 *********************************************************************/
3241
3242 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3243 GROUP_MAP *map)
3244 {
3245 struct ldapsam_privates *ldap_state =
3246 (struct ldapsam_privates *)methods->private_data;
3247 int rc;
3248 const char *filter, *dn;
3249 LDAPMessage *msg = NULL;
3250 LDAPMessage *entry = NULL;
3251 LDAPMod **mods = NULL;
3252 TALLOC_CTX *mem_ctx;
3253 NTSTATUS result;
3254
3255 mem_ctx = talloc_new(NULL);
3256 if (mem_ctx == NULL) {
3257 DEBUG(0, ("talloc_new failed\n"));
3258 return NT_STATUS_NO_MEMORY;
3259 }
3260
3261 /* Make 100% sure that sid, gid and type are not changed by looking up
3262 * exactly the values we're given in LDAP. */
3263
3264 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3265 "(sambaSid=%s)(gidNumber=%u)"
3266 "(sambaGroupType=%d))",
3267 LDAP_OBJ_GROUPMAP,
3268 sid_string_talloc(mem_ctx, &map->sid),
3269 (unsigned int)map->gid, map->sid_name_use);
3270 if (filter == NULL) {
3271 result = NT_STATUS_NO_MEMORY;
3272 goto done;
3273 }
3274
3275 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3276 get_attr_list(mem_ctx, groupmap_attr_list),
3277 &msg);
3278 talloc_autofree_ldapmsg(mem_ctx, msg);
3279
3280 if ((rc != LDAP_SUCCESS) ||
3281 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3282 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3283 result = NT_STATUS_NO_SUCH_GROUP;
3284 goto done;
3285 }
3286
3287 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3288
3289 if (dn == NULL) {
3290 result = NT_STATUS_NO_MEMORY;
3291 goto done;
3292 }
3293
3294 mods = NULL;
3295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3296 map->nt_name);
3297 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3298 map->comment);
3299 talloc_autofree_ldapmod(mem_ctx, mods);
3300
3301 if (mods == NULL) {
3302 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3303 "nothing to do\n"));
3304 result = NT_STATUS_OK;
3305 goto done;
3306 }
3307
3308 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3309
3310 if (rc != LDAP_SUCCESS) {
3311 result = NT_STATUS_ACCESS_DENIED;
3312 goto done;
3313 }
3314
3315 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3316 "group %lu in LDAP\n", (unsigned long)map->gid));
3317
3318 result = NT_STATUS_OK;
3319
3320 done:
3321 TALLOC_FREE(mem_ctx);
3322 return result;
3323 }
3324
3325 /**********************************************************************
3326 *********************************************************************/
3327
3328 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3329 struct dom_sid sid)
3330 {
3331 struct ldapsam_privates *priv =
3332 (struct ldapsam_privates *)methods->private_data;
3333 LDAPMessage *msg, *entry;
3334 int rc;
3335 NTSTATUS result;
3336 TALLOC_CTX *mem_ctx;
3337 char *filter;
3338
3339 mem_ctx = talloc_new(NULL);
3340 if (mem_ctx == NULL) {
3341 DEBUG(0, ("talloc_new failed\n"));
3342 return NT_STATUS_NO_MEMORY;
3343 }
3344
3345 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3346 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3347 sid_string_talloc(mem_ctx, &sid));
3348 if (filter == NULL) {
3349 result = NT_STATUS_NO_MEMORY;
3350 goto done;
3351 }
3352 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3353 get_attr_list(mem_ctx, groupmap_attr_list),
3354 &msg);
3355 talloc_autofree_ldapmsg(mem_ctx, msg);
3356
3357 if ((rc != LDAP_SUCCESS) ||
3358 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3359 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3360 result = NT_STATUS_NO_SUCH_GROUP;
3361 goto done;
3362 }
3363
3364 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3365 get_attr_list(mem_ctx,
3366 groupmap_attr_list_to_delete));
3367
3368 if ((rc == LDAP_NAMING_VIOLATION) ||
3369 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3370 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3371 const char *attrs[] = { "sambaGroupType", "description",
3372 "displayName", "sambaSIDList",
3373 NULL };
3374
3375 /* Second try. Don't delete the sambaSID attribute, this is
3376 for "old" entries that are tacked on a winbind
3377 sambaIdmapEntry. */
3378
3379 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3380 LDAP_OBJ_GROUPMAP, attrs);
3381 }
3382
3383 if ((rc == LDAP_NAMING_VIOLATION) ||
3384 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3385 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3386 const char *attrs[] = { "sambaGroupType", "description",
3387 "displayName", "sambaSIDList",
3388 "gidNumber", NULL };
3389
3390 /* Third try. This is a post-3.0.21 alias (containing only
3391 * sambaSidEntry and sambaGroupMapping classes), we also have
3392 * to delete the gidNumber attribute, only the sambaSidEntry
3393 * remains */
3394
3395 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3396 LDAP_OBJ_GROUPMAP, attrs);
3397 }
3398
3399 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3400
3401 done:
3402 TALLOC_FREE(mem_ctx);
3403 return result;
3404 }
3405
3406 /**********************************************************************
3407 *********************************************************************/
3408
3409 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3410 bool update)
3411 {
3412 struct ldapsam_privates *ldap_state =
3413 (struct ldapsam_privates *)my_methods->private_data;
3414 char *filter = NULL;
3415 int rc;
3416 const char **attr_list;
3417
3418 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3419 if (!filter) {
3420 return NT_STATUS_NO_MEMORY;
3421 }
3422 attr_list = get_attr_list( NULL, groupmap_attr_list );
3423 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3424 LDAP_SCOPE_SUBTREE, filter,
3425 attr_list, 0, &ldap_state->result);
3426 TALLOC_FREE(attr_list);
3427
3428 if (rc != LDAP_SUCCESS) {
3429 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3430 ldap_err2string(rc)));
3431 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3432 lp_ldap_suffix(), filter));
3433 ldap_msgfree(ldap_state->result);
3434 ldap_state->result = NULL;
3435 TALLOC_FREE(filter);
3436 return NT_STATUS_UNSUCCESSFUL;
3437 }
3438
3439 TALLOC_FREE(filter);
3440
3441 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3442 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3443 ldap_state->result)));
3444
3445 ldap_state->entry =
3446 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3447 ldap_state->result);
3448 ldap_state->index = 0;
3449
3450 return NT_STATUS_OK;
3451 }
3452
3453 /**********************************************************************
3454 *********************************************************************/
3455
3456 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3457 {
3458 ldapsam_endsampwent(my_methods);
3459 }
3460
3461 /**********************************************************************
3462 *********************************************************************/
3463
3464 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3465 GROUP_MAP *map)
3466 {
3467 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3468 struct ldapsam_privates *ldap_state =
3469 (struct ldapsam_privates *)my_methods->private_data;
3470 bool bret = False;
3471
3472 while (!bret) {
3473 if (!ldap_state->entry)
3474 return ret;
3475
3476 ldap_state->index++;
3477 bret = init_group_from_ldap(ldap_state, map,
3478 ldap_state->entry);
3479
3480 ldap_state->entry =
3481 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3482 ldap_state->entry);
3483 }
3484
3485 return NT_STATUS_OK;
3486 }
3487
3488 /**********************************************************************
3489 *********************************************************************/
3490
3491 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3492 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3493 GROUP_MAP **pp_rmap,
3494 size_t *p_num_entries,
3495 bool unix_only)
3496 {
3497 GROUP_MAP map = { 0, };
3498 size_t entries = 0;
3499
3500 *p_num_entries = 0;
3501 *pp_rmap = NULL;
3502
3503 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3504 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3505 "passdb\n"));
3506 return NT_STATUS_ACCESS_DENIED;
3507 }
3508
3509 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3510 if (sid_name_use != SID_NAME_UNKNOWN &&
3511 sid_name_use != map.sid_name_use) {
3512 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3513 "not of the requested type\n", map.nt_name));
3514 continue;
3515 }
3516 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3517 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3518 "non mapped\n", map.nt_name));
3519 continue;
3520 }
3521
3522 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3523 if (!(*pp_rmap)) {
3524 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3525 "enlarge group map!\n"));
3526 return NT_STATUS_UNSUCCESSFUL;
3527 }
3528
3529 (*pp_rmap)[entries] = map;
3530
3531 entries += 1;
3532
3533 }
3534 ldapsam_endsamgrent(methods);
3535
3536 *p_num_entries = entries;
3537
3538 return NT_STATUS_OK;
3539 }
3540
3541 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3542 const struct dom_sid *alias,
3543 const struct dom_sid *member,
3544 int modop)
3545 {
3546 struct ldapsam_privates *ldap_state =
3547 (struct ldapsam_privates *)methods->private_data;
3548 char *dn = NULL;
3549 LDAPMessage *result = NULL;
3550 LDAPMessage *entry = NULL;
3551 int count;
3552 LDAPMod **mods = NULL;
3553 int rc;
3554 enum lsa_SidType type = SID_NAME_USE_NONE;
3555 fstring tmp;
3556
3557 char *filter = NULL;
3558
3559 if (sid_check_is_in_builtin(alias)) {
3560 type = SID_NAME_ALIAS;
3561 }
3562
3563 if (sid_check_is_in_our_domain(alias)) {
3564 type = SID_NAME_ALIAS;
3565 }
3566
3567 if (type == SID_NAME_USE_NONE) {
3568 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3569 sid_string_dbg(alias)));
3570 return NT_STATUS_NO_SUCH_ALIAS;
3571 }
3572
3573 if (asprintf(&filter,
3574 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3575 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3576 type) < 0) {
3577 return NT_STATUS_NO_MEMORY;
3578 }
3579
3580 if (ldapsam_search_one_group(ldap_state, filter,
3581 &result) != LDAP_SUCCESS) {
3582 SAFE_FREE(filter);
3583 return NT_STATUS_NO_SUCH_ALIAS;
3584 }
3585
3586 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3587 result);
3588
3589 if (count < 1) {
3590 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3591 ldap_msgfree(result);
3592 SAFE_FREE(filter);
3593 return NT_STATUS_NO_SUCH_ALIAS;
3594 }
3595
3596 if (count > 1) {
3597 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3598 "filter %s: count=%d\n", filter, count));
3599 ldap_msgfree(result);
3600 SAFE_FREE(filter);
3601 return NT_STATUS_NO_SUCH_ALIAS;
3602 }
3603
3604 SAFE_FREE(filter);
3605
3606 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3607 result);
3608
3609 if (!entry) {
3610 ldap_msgfree(result);
3611 return NT_STATUS_UNSUCCESSFUL;
3612 }
3613
3614 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3615 if (!dn) {
3616 ldap_msgfree(result);
3617 return NT_STATUS_UNSUCCESSFUL;
3618 }
3619
3620 smbldap_set_mod(&mods, modop,
3621 get_attr_key2string(groupmap_attr_list,
3622 LDAP_ATTR_SID_LIST),
3623 sid_to_fstring(tmp, member));
3624
3625 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3626
3627 ldap_mods_free(mods, True);
3628 ldap_msgfree(result);
3629 TALLOC_FREE(dn);
3630
3631 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3632 return NT_STATUS_MEMBER_IN_ALIAS;
3633 }
3634
3635 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3636 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3637 }
3638
3639 if (rc != LDAP_SUCCESS) {
3640 return NT_STATUS_UNSUCCESSFUL;
3641 }
3642
3643 return NT_STATUS_OK;
3644 }
3645
3646 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3647 const struct dom_sid *alias,
3648 const struct dom_sid *member)
3649 {
3650 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3651 }
3652
3653 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3654 const struct dom_sid *alias,
3655 const struct dom_sid *member)
3656 {
3657 return ldapsam_modify_aliasmem(methods, alias, member,
3658 LDAP_MOD_DELETE);
3659 }
3660
3661 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3662 const struct dom_sid *alias,
3663 TALLOC_CTX *mem_ctx,
3664 struct dom_sid **pp_members,
3665 size_t *p_num_members)
3666 {
3667 struct ldapsam_privates *ldap_state =
3668 (struct ldapsam_privates *)methods->private_data;
3669 LDAPMessage *result = NULL;
3670 LDAPMessage *entry = NULL;
3671 int count;
3672 char **values = NULL;
3673 int i;
3674 char *filter = NULL;
3675 uint32_t num_members = 0;
3676 enum lsa_SidType type = SID_NAME_USE_NONE;
3677 fstring tmp;
3678
3679 *pp_members = NULL;
3680 *p_num_members = 0;
3681
3682 if (sid_check_is_in_builtin(alias)) {
3683 type = SID_NAME_ALIAS;
3684 }
3685
3686 if (sid_check_is_in_our_domain(alias)) {
3687 type = SID_NAME_ALIAS;
3688 }
3689
3690 if (type == SID_NAME_USE_NONE) {
3691 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3692 sid_string_dbg(alias)));
3693 return NT_STATUS_NO_SUCH_ALIAS;
3694 }
3695
3696 if (asprintf(&filter,
3697 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3698 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3699 type) < 0) {
3700 return NT_STATUS_NO_MEMORY;
3701 }
3702
3703 if (ldapsam_search_one_group(ldap_state, filter,
3704 &result) != LDAP_SUCCESS) {
3705 SAFE_FREE(filter);
3706 return NT_STATUS_NO_SUCH_ALIAS;
3707 }
3708
3709 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3710 result);
3711
3712 if (count < 1) {
3713 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3714 ldap_msgfree(result);
3715 SAFE_FREE(filter);
3716 return NT_STATUS_NO_SUCH_ALIAS;
3717 }
3718
3719 if (count > 1) {
3720 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3721 "filter %s: count=%d\n", filter, count));
3722 ldap_msgfree(result);
3723 SAFE_FREE(filter);
3724 return NT_STATUS_NO_SUCH_ALIAS;
3725 }
3726
3727 SAFE_FREE(filter);
3728
3729 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3730 result);
3731
3732 if (!entry) {
3733 ldap_msgfree(result);
3734 return NT_STATUS_UNSUCCESSFUL;
3735 }
3736
3737 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3738 entry,
3739 get_attr_key2string(groupmap_attr_list,
3740 LDAP_ATTR_SID_LIST));
3741
3742 if (values == NULL) {
3743 ldap_msgfree(result);
3744 return NT_STATUS_OK;
3745 }
3746
3747 count = ldap_count_values(values);
3748
3749 for (i=0; i<count; i++) {
3750 struct dom_sid member;
3751 NTSTATUS status;
3752
3753 if (!string_to_sid(&member, values[i]))
3754 continue;
3755
3756 status = add_sid_to_array(mem_ctx, &member, pp_members,
3757 &num_members);
3758 if (!NT_STATUS_IS_OK(status)) {
3759 ldap_value_free(values);
3760 ldap_msgfree(result);
3761 return status;
3762 }
3763 }
3764
3765 *p_num_members = num_members;
3766 ldap_value_free(values);
3767 ldap_msgfree(result);
3768
3769 return NT_STATUS_OK;
3770 }
3771
3772 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3773 TALLOC_CTX *mem_ctx,
3774 const struct dom_sid *domain_sid,
3775 const struct dom_sid *members,
3776 size_t num_members,
3777 uint32_t **pp_alias_rids,
3778 size_t *p_num_alias_rids)
3779 {
3780 struct ldapsam_privates *ldap_state =
3781 (struct ldapsam_privates *)methods->private_data;
3782 LDAP *ldap_struct;
3783
3784 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3785
3786 LDAPMessage *result = NULL;
3787 LDAPMessage *entry = NULL;
3788 int i;
3789 int rc;
3790 char *filter;
3791 enum lsa_SidType type = SID_NAME_USE_NONE;
3792 bool is_builtin = false;
3793 bool sid_added = false;
3794
3795 *pp_alias_rids = NULL;
3796 *p_num_alias_rids = 0;
3797
3798 if (sid_check_is_builtin(domain_sid)) {
3799 is_builtin = true;
3800 type = SID_NAME_ALIAS;
3801 }
3802
3803 if (sid_check_is_domain(domain_sid)) {
3804 type = SID_NAME_ALIAS;
3805 }
3806
3807 if (type == SID_NAME_USE_NONE) {
3808 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3809 sid_string_dbg(domain_sid)));
3810 return NT_STATUS_UNSUCCESSFUL;
3811 }
3812
3813 if (num_members == 0) {
3814 return NT_STATUS_OK;
3815 }
3816
3817 filter = talloc_asprintf(mem_ctx,
3818 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3819 LDAP_OBJ_GROUPMAP, type);
3820
3821 for (i=0; i<num_members; i++)
3822 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3823 filter,
3824 sid_string_talloc(mem_ctx,
3825 &members[i]));
3826
3827 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3828
3829 if (filter == NULL) {
3830 return NT_STATUS_NO_MEMORY;
3831 }
3832
3833 if (is_builtin &&
3834 ldap_state->search_cache.filter &&
3835 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3836 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3837 result = ldap_state->search_cache.result;
3838 ldap_state->search_cache.result = NULL;
3839 } else {
3840 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3841 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3842 if (rc != LDAP_SUCCESS) {
3843 return NT_STATUS_UNSUCCESSFUL;
3844 }
3845 talloc_autofree_ldapmsg(filter, result);
3846 }
3847
3848 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3849
3850 for (entry = ldap_first_entry(ldap_struct, result);
3851 entry != NULL;
3852 entry = ldap_next_entry(ldap_struct, entry))
3853 {
3854 fstring sid_str;
3855 struct dom_sid sid;
3856 uint32_t rid;
3857
3858 if (!smbldap_get_single_attribute(ldap_struct, entry,
3859 LDAP_ATTRIBUTE_SID,
3860 sid_str,
3861 sizeof(sid_str)-1))
3862 continue;
3863
3864 if (!string_to_sid(&sid, sid_str))
3865 continue;
3866
3867 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3868 continue;
3869
3870 sid_added = true;
3871
3872 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3873 p_num_alias_rids)) {
3874 return NT_STATUS_NO_MEMORY;
3875 }
3876 }
3877
3878 if (!is_builtin && !sid_added) {
3879 TALLOC_FREE(ldap_state->search_cache.filter);
3880 /*
3881 * Note: result is a talloc child of filter because of the
3882 * talloc_autofree_ldapmsg() usage
3883 */
3884 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3885 ldap_state->search_cache.result = result;
3886 }
3887
3888 return NT_STATUS_OK;
3889 }
3890
3891 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3892 enum pdb_policy_type type,
3893 uint32_t value)
3894 {
3895 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3896 int rc;
3897 LDAPMod **mods = NULL;
3898 fstring value_string;
3899 const char *policy_attr = NULL;
3900
3901 struct ldapsam_privates *ldap_state =
3902 (struct ldapsam_privates *)methods->private_data;
3903
3904 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3905
3906 if (!ldap_state->domain_dn) {
3907 return NT_STATUS_INVALID_PARAMETER;
3908 }
3909
3910 policy_attr = get_account_policy_attr(type);
3911 if (policy_attr == NULL) {
3912 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3913 "policy\n"));
3914 return ntstatus;
3915 }
3916
3917 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3918
3919 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3920
3921 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3922 mods);
3923
3924 ldap_mods_free(mods, True);
3925
3926 if (rc != LDAP_SUCCESS) {
3927 return ntstatus;
3928 }
3929
3930 if (!cache_account_policy_set(type, value)) {
3931 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3932 "update local tdb cache\n"));
3933 return ntstatus;
3934 }
3935
3936 return NT_STATUS_OK;
3937 }
3938
3939 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3940 enum pdb_policy_type type,
3941 uint32_t value)
3942 {
3943 return ldapsam_set_account_policy_in_ldap(methods, type,
3944 value);
3945 }
3946
3947 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3948 enum pdb_policy_type type,
3949 uint32_t *value)
3950 {
3951 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3952 LDAPMessage *result = NULL;
3953 LDAPMessage *entry = NULL;
3954 int count;
3955 int rc;
3956 char **vals = NULL;
3957 char *filter;
3958 const char *policy_attr = NULL;
3959
3960 struct ldapsam_privates *ldap_state =
3961 (struct ldapsam_privates *)methods->private_data;
3962
3963 const char *attrs[2];
3964
3965 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3966
3967 if (!ldap_state->domain_dn) {
3968 return NT_STATUS_INVALID_PARAMETER;
3969 }
3970
3971 policy_attr = get_account_policy_attr(type);
3972 if (!policy_attr) {
3973 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3974 "policy index: %d\n", type));
3975 return ntstatus;
3976 }
3977
3978 attrs[0] = policy_attr;
3979 attrs[1] = NULL;
3980
3981 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3982 if (filter == NULL) {
3983 return NT_STATUS_NO_MEMORY;
3984 }
3985 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3986 LDAP_SCOPE_BASE, filter, attrs, 0,
3987 &result);
3988 TALLOC_FREE(filter);
3989 if (rc != LDAP_SUCCESS) {
3990 return ntstatus;
3991 }
3992
3993 count = ldap_count_entries(priv2ld(ldap_state), result);
3994 if (count < 1) {
3995 goto out;
3996 }
3997
3998 entry = ldap_first_entry(priv2ld(ldap_state), result);
3999 if (entry == NULL) {
4000 goto out;
4001 }
4002
4003 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4004 if (vals == NULL) {
4005 goto out;
4006 }
4007
4008 *value = (uint32_t)atol(vals[0]);
4009
4010 ntstatus = NT_STATUS_OK;
4011
4012 out:
4013 if (vals)
4014 ldap_value_free(vals);
4015 ldap_msgfree(result);
4016
4017 return ntstatus;
4018 }
4019
4020 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4021
4022 - if user hasn't decided to use account policies inside LDAP just reuse the
4023 old tdb values
4024
4025 - if there is a valid cache entry, return that
4026 - if there is an LDAP entry, update cache and return
4027 - otherwise set to default, update cache and return
4028
4029 Guenther
4030 */
4031 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4032 enum pdb_policy_type type,
4033 uint32_t *value)
4034 {
4035 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4036
4037 if (cache_account_policy_get(type, value)) {
4038 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4039 "cache\n"));
4040 return NT_STATUS_OK;
4041 }
4042
4043 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4044 value);
4045 if (NT_STATUS_IS_OK(ntstatus)) {
4046 goto update_cache;
4047 }
4048
4049 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4050 "ldap\n"));
4051
4052 #if 0
4053 /* should we automagically migrate old tdb value here ? */
4054 if (account_policy_get(type, value))
4055 goto update_ldap;
4056
4057 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4058 "default\n", type));
4059 #endif
4060
4061 if (!account_policy_get_default(type, value)) {
4062 return ntstatus;
4063 }
4064
4065 /* update_ldap: */
4066
4067 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4068 if (!NT_STATUS_IS_OK(ntstatus)) {
4069 return ntstatus;
4070 }
4071
4072 update_cache:
4073
4074 if (!cache_account_policy_set(type, *value)) {
4075 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4076 "tdb as a cache\n"));
4077 return NT_STATUS_UNSUCCESSFUL;
4078 }
4079
4080 return NT_STATUS_OK;
4081 }
4082
4083 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4084 const struct dom_sid *domain_sid,
4085 int num_rids,
4086 uint32_t *rids,
4087 const char **names,
4088 enum lsa_SidType *attrs)
4089 {
4090 struct ldapsam_privates *ldap_state =
4091 (struct ldapsam_privates *)methods->private_data;
4092 LDAPMessage *msg = NULL;
4093 LDAPMessage *entry;
4094 char *allsids = NULL;
4095 int i, rc, num_mapped;
4096 NTSTATUS result = NT_STATUS_NO_MEMORY;
4097 TALLOC_CTX *mem_ctx;
4098 LDAP *ld;
4099 bool is_builtin;
4100
4101 mem_ctx = talloc_new(NULL);
4102 if (mem_ctx == NULL) {
4103 DEBUG(0, ("talloc_new failed\n"));
4104 goto done;
4105 }
4106
4107 if (!sid_check_is_builtin(domain_sid) &&
4108 !sid_check_is_domain(domain_sid)) {
4109 result = NT_STATUS_INVALID_PARAMETER;
4110 goto done;
4111 }
4112
4113 if (num_rids == 0) {
4114 result = NT_STATUS_NONE_MAPPED;
4115 goto done;
4116 }
4117
4118 for (i=0; i<num_rids; i++)
4119 attrs[i] = SID_NAME_UNKNOWN;
4120
4121 allsids = talloc_strdup(mem_ctx, "");
4122 if (allsids == NULL) {
4123 goto done;
4124 }
4125
4126 for (i=0; i<num_rids; i++) {
4127 struct dom_sid sid;
4128 sid_compose(&sid, domain_sid, rids[i]);
4129 allsids = talloc_asprintf_append_buffer(
4130 allsids, "(sambaSid=%s)",
4131 sid_string_talloc(mem_ctx, &sid));
4132 if (allsids == NULL) {
4133 goto done;
4134 }
4135 }
4136
4137 /* First look for users */
4138
4139 {
4140 char *filter;
4141 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4142
4143 filter = talloc_asprintf(
4144 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4145 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4146
4147 if (filter == NULL) {
4148 goto done;
4149 }
4150
4151 rc = smbldap_search(ldap_state->smbldap_state,
4152 lp_ldap_user_suffix(),
4153 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4154 &msg);
4155 talloc_autofree_ldapmsg(mem_ctx, msg);
4156 }
4157
4158 if (rc != LDAP_SUCCESS)
4159 goto done;
4160
4161 ld = ldap_state->smbldap_state->ldap_struct;
4162 num_mapped = 0;
4163
4164 for (entry = ldap_first_entry(ld, msg);
4165 entry != NULL;
4166 entry = ldap_next_entry(ld, entry)) {
4167 uint32_t rid;
4168 int rid_index;
4169 const char *name;
4170
4171 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4172 &rid)) {
4173 DEBUG(2, ("Could not find sid from ldap entry\n"));
4174 continue;
4175 }
4176
4177 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4178 names);
4179 if (name == NULL) {
4180 DEBUG(2, ("Could not retrieve uid attribute\n"));
4181 continue;
4182 }
4183
4184 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4185 if (rid == rids[rid_index])
4186 break;
4187 }
4188
4189 if (rid_index == num_rids) {
4190 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4191 continue;
4192 }
4193
4194 attrs[rid_index] = SID_NAME_USER;
4195 names[rid_index] = name;
4196 num_mapped += 1;
4197 }
4198
4199 if (num_mapped == num_rids) {
4200 /* No need to look for groups anymore -- we're done */
4201 result = NT_STATUS_OK;
4202 goto done;
4203 }
4204
4205 /* Same game for groups */
4206
4207 {
4208 char *filter;
4209 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4210 "sambaGroupType", NULL };
4211
4212 filter = talloc_asprintf(
4213 mem_ctx, "(&(objectClass=%s)(|%s))",
4214 LDAP_OBJ_GROUPMAP, allsids);
4215 if (filter == NULL) {
4216 goto done;
4217 }
4218
4219 rc = smbldap_search(ldap_state->smbldap_state,
4220 lp_ldap_suffix(),
4221 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4222 &msg);
4223 talloc_autofree_ldapmsg(mem_ctx, msg);
4224 }
4225
4226 if (rc != LDAP_SUCCESS)
4227 goto done;
4228
4229 /* ldap_struct might have changed due to a reconnect */
4230
4231 ld = ldap_state->smbldap_state->ldap_struct;
4232
4233 /* For consistency checks, we already checked we're only domain or builtin */
4234
4235 is_builtin = sid_check_is_builtin(domain_sid);
4236
4237 for (entry = ldap_first_entry(ld, msg);
4238 entry != NULL;
4239 entry = ldap_next_entry(ld, entry))
4240 {
4241 uint32_t rid;
4242 int rid_index;
4243 const char *attr;
4244 enum lsa_SidType type;
4245 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4246
4247 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4248 mem_ctx);
4249 if (attr == NULL) {
4250 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4251 dn));
4252 continue;
4253 }
4254
4255 type = (enum lsa_SidType)atol(attr);
4256
4257 /* Consistency checks */
4258 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4259 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4260 (type != SID_NAME_DOM_GRP)))) {
4261 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4262 }
4263
4264 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4265 &rid)) {
4266 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4267 continue;
4268 }
4269
4270 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4271
4272 if (attr == NULL) {
4273 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4274 dn));
4275 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4276 }
4277
4278 if (attr == NULL) {
4279 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4280 dn));
4281 continue;
4282 }
4283
4284 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4285 if (rid == rids[rid_index])
4286 break;
4287 }
4288
4289 if (rid_index == num_rids) {
4290 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4291 continue;
4292 }
4293
4294 attrs[rid_index] = type;
4295 names[rid_index] = attr;
4296 num_mapped += 1;
4297 }
4298
4299 result = NT_STATUS_NONE_MAPPED;
4300
4301 if (num_mapped > 0)
4302 result = (num_mapped == num_rids) ?
4303 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4304 done:
4305 TALLOC_FREE(mem_ctx);
4306 return result;
4307 }
4308
4309 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4310 {
4311 char *filter = NULL;
4312 char *escaped = NULL;
4313 char *result = NULL;
4314
4315 if (asprintf(&filter, "(&%s(objectclass=%s))",
4316 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4317 goto done;
4318 }
4319
4320 escaped = escape_ldap_string(talloc_tos(), username);
4321 if (escaped == NULL) goto done;
4322
4323 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4324
4325 done:
4326 SAFE_FREE(filter);
4327 TALLOC_FREE(escaped);
4328
4329 return result;
4330 }
4331
4332 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4333 {
4334 int i, num = 0;
4335 va_list ap;
4336 const char **result;
4337
4338 va_start(ap, mem_ctx);
4339 while (va_arg(ap, const char *) != NULL)
4340 num += 1;
4341 va_end(ap);
4342
4343 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4344 return NULL;
4345 }
4346
4347 va_start(ap, mem_ctx);
4348 for (i=0; i<num; i++) {
4349 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4350 if (result[i] == NULL) {
4351 talloc_free(result);
4352 va_end(ap);
4353 return NULL;
4354 }
4355 }
4356 va_end(ap);
4357
4358 result[num] = NULL;
4359 return result;
4360 }
4361
4362 struct ldap_search_state {
4363 struct smbldap_state *connection;
4364
4365 uint32_t acct_flags;
4366 uint16_t group_type;
4367
4368 const char *base;
4369 int scope;
4370 const char *filter;
4371 const char **attrs;
4372 int attrsonly;
4373 void *pagedresults_cookie;
4374
4375 LDAPMessage *entries, *current_entry;
4376 bool (*ldap2displayentry)(struct ldap_search_state *state,
4377 TALLOC_CTX *mem_ctx,
4378 LDAP *ld, LDAPMessage *entry,
4379 struct samr_displayentry *result);
4380 };
4381
4382 static bool ldapsam_search_firstpage(struct pdb_search *search)
4383 {
4384 struct ldap_search_state *state =
4385 (struct ldap_search_state *)search->private_data;
4386 LDAP *ld;
4387 int rc = LDAP_OPERATIONS_ERROR;
4388
4389 state->entries = NULL;
4390
4391 if (state->connection->paged_results) {
4392 rc = smbldap_search_paged(state->connection, state->base,
4393 state->scope, state->filter,
4394 state->attrs, state->attrsonly,
4395 lp_ldap_page_size(), &state->entries,
4396 &state->pagedresults_cookie);
4397 }
4398
4399 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4400
4401 if (state->entries != NULL) {
4402 /* Left over from unsuccessful paged attempt */
4403 ldap_msgfree(state->entries);
4404 state->entries = NULL;
4405 }
4406
4407 rc = smbldap_search(state->connection, state->base,
4408 state->scope, state->filter, state->attrs,
4409 state->attrsonly, &state->entries);
4410
4411 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4412 return False;
4413
4414 /* Ok, the server was lying. It told us it could do paged
4415 * searches when it could not. */
4416 state->connection->paged_results = False;
4417 }
4418
4419 ld = state->connection->ldap_struct;
4420 if ( ld == NULL) {
4421 DEBUG(5, ("Don't have an LDAP connection right after a "
4422 "search\n"));
4423 return False;
4424 }
4425 state->current_entry = ldap_first_entry(ld, state->entries);
4426
4427 return True;
4428 }
4429
4430 static bool ldapsam_search_nextpage(struct pdb_search *search)
4431 {
4432 struct ldap_search_state *state =
4433 (struct ldap_search_state *)search->private_data;
4434 int rc;
4435
4436 if (!state->connection->paged_results) {
4437 /* There is no next page when there are no paged results */
4438 return False;
4439 }
4440
4441 rc = smbldap_search_paged(state->connection, state->base,
4442 state->scope, state->filter, state->attrs,
4443 state->attrsonly, lp_ldap_page_size(),
4444 &state->entries,
4445 &state->pagedresults_cookie);
4446
4447 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4448 return False;
4449
4450 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4451
4452 if (state->current_entry == NULL) {
4453 ldap_msgfree(state->entries);
4454 state->entries = NULL;
4455 return false;
4456 }
4457
4458 return True;
4459 }
4460
4461 static bool ldapsam_search_next_entry(struct pdb_search *search,
4462 struct samr_displayentry *entry)
4463 {
4464 struct ldap_search_state *state =
4465 (struct ldap_search_state *)search->private_data;
4466 bool result;
4467
4468 retry:
4469 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4470 return False;
4471
4472 if ((state->entries == NULL) &&
4473 !ldapsam_search_nextpage(search))
4474 return False;
4475
4476 if (state->current_entry == NULL) {
4477 return false;
4478 }
4479
4480 result = state->ldap2displayentry(state, search,
4481 state->connection->ldap_struct,
4482 state->current_entry, entry);
4483
4484 if (!result) {
4485 char *dn;
4486 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4487 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4488 if (dn != NULL) ldap_memfree(dn);
4489 }
4490
4491 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4492
4493 if (state->current_entry == NULL) {
4494 ldap_msgfree(state->entries);
4495 state->entries = NULL;
4496 }
4497
4498 if (!result) goto retry;
4499
4500 return True;
4501 }
4502
4503 static void ldapsam_search_end(struct pdb_search *search)
4504 {
4505 struct ldap_search_state *state =
4506 (struct ldap_search_state *)search->private_data;
4507 int rc;
4508
4509 if (state->pagedresults_cookie == NULL)
4510 return;
4511
4512 if (state->entries != NULL)
4513 ldap_msgfree(state->entries);
4514
4515 state->entries = NULL;
4516 state->current_entry = NULL;
4517
4518 if (!state->connection->paged_results)
4519 return;
4520
4521 /* Tell the LDAP server we're not interested in the rest anymore. */
4522
4523 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4524 state->filter, state->attrs,
4525 state->attrsonly, 0, &state->entries,
4526 &state->pagedresults_cookie);
4527
4528 if (rc != LDAP_SUCCESS)
4529 DEBUG(5, ("Could not end search properly\n"));
4530
4531 return;
4532 }
4533
4534 static bool ldapuser2displayentry(struct ldap_search_state *state,
4535 TALLOC_CTX *mem_ctx,
4536 LDAP *ld, LDAPMessage *entry,
4537 struct samr_displayentry *result)
4538 {
4539 char **vals;
4540 size_t converted_size;
4541 struct dom_sid sid;
4542 uint32_t acct_flags;
4543
4544 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4545 if ((vals == NULL) || (vals[0] == NULL)) {
4546 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4547 return False;
4548 }
4549 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4550 ldap_value_free(vals);
4551
4552 if ((state->acct_flags != 0) &&
4553 ((state->acct_flags & acct_flags) == 0))
4554 return False;
4555
4556 result->acct_flags = acct_flags;
4557 result->account_name = "";
4558 result->fullname = "";
4559 result->description = "";
4560
4561 vals = ldap_get_values(ld, entry, "uid");
4562 if ((vals == NULL) || (vals[0] == NULL)) {
4563 DEBUG(5, ("\"uid\" not found\n"));
4564 return False;
4565 }
4566 if (!pull_utf8_talloc(mem_ctx,
4567 CONST_DISCARD(char **, &result->account_name),
4568 vals[0], &converted_size))
4569 {
4570 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4571 strerror(errno)));
4572 }
4573
4574 ldap_value_free(vals);
4575
4576 vals = ldap_get_values(ld, entry, "displayName");
4577 if ((vals == NULL) || (vals[0] == NULL))
4578 DEBUG(8, ("\"displayName\" not found\n"));
4579 else if (!pull_utf8_talloc(mem_ctx,
4580 CONST_DISCARD(char **, &result->fullname),
4581 vals[0], &converted_size))
4582 {
4583 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4584 strerror(errno)));
4585 }
4586
4587 ldap_value_free(vals);
4588
4589 vals = ldap_get_values(ld, entry, "description");
4590 if ((vals == NULL) || (vals[0] == NULL))
4591 DEBUG(8, ("\"description\" not found\n"));
4592 else if (!pull_utf8_talloc(mem_ctx,
4593 CONST_DISCARD(char **, &result->description),
4594 vals[0], &converted_size))
4595 {
4596 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4597 strerror(errno)));
4598 }
4599
4600 ldap_value_free(vals);
4601
4602 if ((result->account_name == NULL) ||
4603 (result->fullname == NULL) ||
4604 (result->description == NULL)) {
4605 DEBUG(0, ("talloc failed\n"));
4606 return False;
4607 }
4608
4609 vals = ldap_get_values(ld, entry, "sambaSid");
4610 if ((vals == NULL) || (vals[0] == NULL)) {
4611 DEBUG(0, ("\"objectSid\" not found\n"));
4612 return False;
4613 }
4614
4615 if (!string_to_sid(&sid, vals[0])) {
4616 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4617 ldap_value_free(vals);
4618 return False;
4619 }
4620 ldap_value_free(vals);
4621
4622 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4623 DEBUG(0, ("sid %s does not belong to our domain\n",
4624 sid_string_dbg(&sid)));
4625 return False;
4626 }
4627
4628 return True;
4629 }
4630
4631
4632 static bool ldapsam_search_users(struct pdb_methods *methods,
4633 struct pdb_search *search,
4634 uint32_t acct_flags)
4635 {
4636 struct ldapsam_privates *ldap_state =
4637 (struct ldapsam_privates *)methods->private_data;
4638 struct ldap_search_state *state;
4639
4640 state = talloc(search, struct ldap_search_state);
4641 if (state == NULL) {
4642 DEBUG(0, ("talloc failed\n"));
4643 return False;
4644 }
4645
4646 state->connection = ldap_state->smbldap_state;
4647
4648 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4649 state->base = lp_ldap_user_suffix();
4650 else if ((acct_flags != 0) &&
4651 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4652 state->base = lp_ldap_machine_suffix();
4653 else
4654 state->base = lp_ldap_suffix();
4655
4656 state->acct_flags = acct_flags;
4657 state->base = talloc_strdup(search, state->base);
4658 state->scope = LDAP_SCOPE_SUBTREE;
4659 state->filter = get_ldap_filter(search, "*");
4660 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4661 "displayName", "description",
4662 "sambaAcctFlags", NULL);
4663 state->attrsonly = 0;
4664 state->pagedresults_cookie = NULL;
4665 state->entries = NULL;
4666 state->ldap2displayentry = ldapuser2displayentry;
4667
4668 if ((state->filter == NULL) || (state->attrs == NULL)) {
4669 DEBUG(0, ("talloc failed\n"));
4670 return False;
4671 }
4672
4673 search->private_data = state;
4674 search->next_entry = ldapsam_search_next_entry;
4675 search->search_end = ldapsam_search_end;
4676
4677 return ldapsam_search_firstpage(search);
4678 }
4679
4680 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4681 TALLOC_CTX *mem_ctx,
4682 LDAP *ld, LDAPMessage *entry,
4683 struct samr_displayentry *result)
4684 {
4685 char **vals;
4686 size_t converted_size;
4687 struct dom_sid sid;
4688 uint16_t group_type;
4689
4690 result->account_name = "";
4691 result->fullname = "";
4692 result->description = "";
4693
4694
4695 vals = ldap_get_values(ld, entry, "sambaGroupType");
4696 if ((vals == NULL) || (vals[0] == NULL)) {
4697 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4698 if (vals != NULL) {
4699 ldap_value_free(vals);
4700 }
4701 return False;
4702 }
4703
4704 group_type = atoi(vals[0]);
4705
4706 if ((state->group_type != 0) &&
4707 ((state->group_type != group_type))) {
4708 ldap_value_free(vals);
4709 return False;
4710 }
4711
4712 ldap_value_free(vals);
4713
4714 /* display name is the NT group name */
4715
4716 vals = ldap_get_values(ld, entry, "displayName");
4717 if ((vals == NULL) || (vals[0] == NULL)) {
4718 DEBUG(8, ("\"displayName\" not found\n"));
4719
4720 /* fallback to the 'cn' attribute */
4721 vals = ldap_get_values(ld, entry, "cn");
4722 if ((vals == NULL) || (vals[0] == NULL)) {
4723 DEBUG(5, ("\"cn\" not found\n"));
4724 return False;
4725 }
4726 if (!pull_utf8_talloc(mem_ctx,
4727 CONST_DISCARD(char **,
4728 &result->account_name),
4729 vals[0], &converted_size))
4730 {
4731 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4732 "failed: %s", strerror(errno)));
4733 }
4734 }
4735 else if (!pull_utf8_talloc(mem_ctx,
4736 CONST_DISCARD(char **,
4737 &result->account_name),
4738 vals[0], &converted_size))
4739 {
4740 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4741 strerror(errno)));
4742 }
4743
4744 ldap_value_free(vals);
4745
4746 vals = ldap_get_values(ld, entry, "description");
4747 if ((vals == NULL) || (vals[0] == NULL))
4748 DEBUG(8, ("\"description\" not found\n"));
4749 else if (!pull_utf8_talloc(mem_ctx,
4750 CONST_DISCARD(char **, &result->description),
4751 vals[0], &converted_size))
4752 {
4753 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4754 strerror(errno)));
4755 }
4756 ldap_value_free(vals);
4757
4758 if ((result->account_name == NULL) ||
4759 (result->fullname == NULL) ||
4760 (result->description == NULL)) {
4761 DEBUG(0, ("talloc failed\n"));
4762 return False;
4763 }
4764
4765 vals = ldap_get_values(ld, entry, "sambaSid");
4766 if ((vals == NULL) || (vals[0] == NULL)) {
4767 DEBUG(0, ("\"objectSid\" not found\n"));
4768 if (vals != NULL) {
4769 ldap_value_free(vals);
4770 }
4771 return False;
4772 }
4773
4774 if (!string_to_sid(&sid, vals[0])) {
4775 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4776 return False;
4777 }
4778
4779 ldap_value_free(vals);
4780
4781 switch (group_type) {
4782 case SID_NAME_DOM_GRP:
4783 case SID_NAME_ALIAS:
4784
4785 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4786 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4787 {
4788 DEBUG(0, ("%s is not in our domain\n",
4789 sid_string_dbg(&sid)));
4790 return False;
4791 }
4792 break;
4793
4794 default:
4795 DEBUG(0,("unknown group type: %d\n", group_type));
4796 return False;
4797 }
4798
4799 result->acct_flags = 0;
4800
4801 return True;
4802 }
4803
4804 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4805 struct pdb_search *search,
4806 const struct dom_sid *sid,
4807 enum lsa_SidType type)
4808 {
4809 struct ldapsam_privates *ldap_state =
4810 (struct ldapsam_privates *)methods->private_data;
4811 struct ldap_search_state *state;
4812 fstring tmp;
4813
4814 state = talloc(search, struct ldap_search_state);
4815 if (state == NULL) {
4816 DEBUG(0, ("talloc failed\n"));
4817 return False;
4818 }
4819
4820 state->connection = ldap_state->smbldap_state;
4821
4822 state->base = talloc_strdup(search, lp_ldap_suffix());
4823 state->connection = ldap_state->smbldap_state;
4824 state->scope = LDAP_SCOPE_SUBTREE;
4825 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4826 "(sambaGroupType=%d)(sambaSID=%s*))",
4827 LDAP_OBJ_GROUPMAP,
4828 type, sid_to_fstring(tmp, sid));
4829 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4830 "displayName", "description",
4831 "sambaGroupType", NULL);
4832 state->attrsonly = 0;
4833 state->pagedresults_cookie = NULL;
4834 state->entries = NULL;
4835 state->group_type = type;
4836 state->ldap2displayentry = ldapgroup2displayentry;
4837
4838 if ((state->filter == NULL) || (state->attrs == NULL)) {
4839 DEBUG(0, ("talloc failed\n"));
4840 return False;
4841 }
4842
4843 search->private_data = state;
4844 search->next_entry = ldapsam_search_next_entry;
4845 search->search_end = ldapsam_search_end;
4846
4847 return ldapsam_search_firstpage(search);
4848 }
4849
4850 static bool ldapsam_search_groups(struct pdb_methods *methods,
4851 struct pdb_search *search)
4852 {
4853 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4854 }
4855
4856 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4857 struct pdb_search *search,
4858 const struct dom_sid *sid)
4859 {
4860 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4861 }
4862
4863 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4864 {
4865 return PDB_CAP_STORE_RIDS;
4866 }
4867
4868 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4869 uint32_t *rid)
4870 {
4871 struct smbldap_state *smbldap_state = priv->smbldap_state;
4872
4873 LDAPMessage *result = NULL;
4874 LDAPMessage *entry = NULL;
4875 LDAPMod **mods = NULL;
4876 NTSTATUS status;
4877 char *value;
4878 int rc;
4879 uint32_t nextRid = 0;
4880 const char *dn;
4881
4882 TALLOC_CTX *mem_ctx;
4883
4884 mem_ctx = talloc_new(NULL);
4885 if (mem_ctx == NULL) {
4886 DEBUG(0, ("talloc_new failed\n"));
4887 return NT_STATUS_NO_MEMORY;
4888 }
4889
4890 status = smbldap_search_domain_info(smbldap_state, &result,
4891 get_global_sam_name(), False);
4892 if (!NT_STATUS_IS_OK(status)) {
4893 DEBUG(3, ("Could not get domain info: %s\n",
4894 nt_errstr(status)));
4895 goto done;
4896 }
4897
4898 talloc_autofree_ldapmsg(mem_ctx, result);
4899
4900 entry = ldap_first_entry(priv2ld(priv), result);
4901 if (entry == NULL) {
4902 DEBUG(0, ("Could not get domain info entry\n"));
4903 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4904 goto done;
4905 }
4906
4907 /* Find the largest of the three attributes "sambaNextRid",
4908 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4909 concept of differentiating between user and group rids, and will
4910 use only "sambaNextRid" in the future. But for compatibility
4911 reasons I look if others have chosen different strategies -- VL */
4912
4913 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4914 "sambaNextRid", mem_ctx);
4915 if (value != NULL) {
4916 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4917 nextRid = MAX(nextRid, tmp);
4918 }
4919
4920 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4921 "sambaNextUserRid", mem_ctx);
4922 if (value != NULL) {
4923 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4924 nextRid = MAX(nextRid, tmp);
4925 }
4926
4927 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4928 "sambaNextGroupRid", mem_ctx);
4929 if (value != NULL) {
4930 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4931 nextRid = MAX(nextRid, tmp);
4932 }
4933
4934 if (nextRid == 0) {
4935 nextRid = BASE_RID-1;
4936 }
4937
4938 nextRid += 1;
4939
4940 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4941 talloc_asprintf(mem_ctx, "%d", nextRid));
4942 talloc_autofree_ldapmod(mem_ctx, mods);
4943
4944 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4945 status = NT_STATUS_NO_MEMORY;
4946 goto done;
4947 }
4948
4949 rc = smbldap_modify(smbldap_state, dn, mods);
4950
4951 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4952 * please retry" */
4953
4954 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4955
4956 done:
4957 if (NT_STATUS_IS_OK(status)) {
4958 *rid = nextRid;
4959 }
4960
4961 TALLOC_FREE(mem_ctx);
4962 return status;
4963 }
4964
4965 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4966 {
4967 int i;
4968
4969 for (i=0; i<10; i++) {
4970 NTSTATUS result = ldapsam_get_new_rid(
4971 (struct ldapsam_privates *)methods->private_data, rid);
4972 if (NT_STATUS_IS_OK(result)) {
4973 return result;
4974 }
4975
4976 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4977 return result;
4978 }
4979
4980 /* The ldap update failed (maybe a race condition), retry */
4981 }
4982
4983 /* Tried 10 times, fail. */
4984 return NT_STATUS_ACCESS_DENIED;
4985 }
4986
4987 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4988 {
4989 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4990 return NT_STATUS_IS_OK(result) ? True : False;
4991 }
4992
4993 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4994 const struct dom_sid *sid,
4995 union unid_t *id, enum lsa_SidType *type)
4996 {
4997 struct ldapsam_privates *priv =
4998 (struct ldapsam_privates *)methods->private_data;
4999 char *filter;
5000 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5001 NULL };
5002 LDAPMessage *result = NULL;
5003 LDAPMessage *entry = NULL;
5004 bool ret = False;
5005 char *value;
5006 int rc;
5007
5008 TALLOC_CTX *mem_ctx;
5009
5010 mem_ctx = talloc_new(NULL);
5011 if (mem_ctx == NULL) {
5012 DEBUG(0, ("talloc_new failed\n"));
5013 return False;
5014 }
5015
5016 filter = talloc_asprintf(mem_ctx,
5017 "(&(sambaSid=%s)"
5018 "(|(objectClass=%s)(objectClass=%s)))",
5019 sid_string_talloc(mem_ctx, sid),
5020 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5021 if (filter == NULL) {
5022 DEBUG(5, ("talloc_asprintf failed\n"));
5023 goto done;
5024 }
5025
5026 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5027 attrs, &result);
5028 if (rc != LDAP_SUCCESS) {
5029 goto done;
5030 }
5031 talloc_autofree_ldapmsg(mem_ctx, result);
5032
5033 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5034 DEBUG(10, ("Got %d entries, expected one\n",
5035 ldap_count_entries(priv2ld(priv), result)));
5036 goto done;
5037 }
5038
5039 entry = ldap_first_entry(priv2ld(priv), result);
5040
5041 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5042 "sambaGroupType", mem_ctx);
5043
5044 if (value != NULL) {
5045 const char *gid_str;
5046 /* It's a group */
5047
5048 gid_str = smbldap_talloc_single_attribute(
5049 priv2ld(priv), entry, "gidNumber", mem_ctx);
5050 if (gid_str == NULL) {
5051 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5052 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5053 entry)));
5054 goto done;
5055 }
5056
5057 id->gid = strtoul(gid_str, NULL, 10);
5058 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5059 store_gid_sid_cache(sid, id->gid);
5060 idmap_cache_set_sid2gid(sid, id->gid);
5061 ret = True;
5062 goto done;
5063 }
5064
5065 /* It must be a user */
5066
5067 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5068 "uidNumber", mem_ctx);
5069 if (value == NULL) {
5070 DEBUG(1, ("Could not find uidNumber in %s\n",
5071 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5072 goto done;
5073 }
5074
5075 id->uid = strtoul(value, NULL, 10);
5076 *type = SID_NAME_USER;
5077 store_uid_sid_cache(sid, id->uid);
5078 idmap_cache_set_sid2uid(sid, id->uid);
5079
5080 ret = True;
5081 done:
5082 TALLOC_FREE(mem_ctx);
5083 return ret;
5084 }
5085
5086 /**
5087 * Find the SID for a uid.
5088 * This is shortcut is only used if ldapsam:trusted is set to true.
5089 */
5090 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5091 struct dom_sid *sid)
5092 {
5093 struct ldapsam_privates *priv =
5094 (struct ldapsam_privates *)methods->private_data;
5095 char *filter;
5096 const char *attrs[] = { "sambaSID", NULL };
5097 LDAPMessage *result = NULL;
5098 LDAPMessage *entry = NULL;
5099 bool ret = false;
5100 char *user_sid_string;
5101 struct dom_sid user_sid;
5102 int rc;
5103 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5104
5105 filter = talloc_asprintf(tmp_ctx,
5106 "(&(uidNumber=%u)"
5107 "(objectClass=%s)"
5108 "(objectClass=%s))",
5109 (unsigned int)uid,
5110 LDAP_OBJ_POSIXACCOUNT,
5111 LDAP_OBJ_SAMBASAMACCOUNT);
5112 if (filter == NULL) {
5113 DEBUG(3, ("talloc_asprintf failed\n"));
5114 goto done;
5115 }
5116
5117 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5118 if (rc != LDAP_SUCCESS) {
5119 goto done;
5120 }
5121 talloc_autofree_ldapmsg(tmp_ctx, result);
5122
5123 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5124 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5125 ldap_count_entries(priv2ld(priv), result),
5126 (unsigned int)uid));
5127 goto done;
5128 }
5129
5130 entry = ldap_first_entry(priv2ld(priv), result);
5131
5132 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5133 "sambaSID", tmp_ctx);
5134 if (user_sid_string == NULL) {
5135 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5136 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5137 goto done;
5138 }
5139
5140 if (!string_to_sid(&user_sid, user_sid_string)) {
5141 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5142 user_sid_string));
5143 goto done;
5144 }
5145
5146 sid_copy(sid, &user_sid);
5147
5148 store_uid_sid_cache(sid, uid);
5149 idmap_cache_set_sid2uid(sid, uid);
5150
5151 ret = true;
5152
5153 done:
5154 TALLOC_FREE(tmp_ctx);
5155 return ret;
5156 }
5157
5158 /**
5159 * Find the SID for a gid.
5160 * This is shortcut is only used if ldapsam:trusted is set to true.
5161 */
5162 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5163 struct dom_sid *sid)
5164 {
5165 struct ldapsam_privates *priv =
5166 (struct ldapsam_privates *)methods->private_data;
5167 char *filter;
5168 const char *attrs[] = { "sambaSID", NULL };
5169 LDAPMessage *result = NULL;
5170 LDAPMessage *entry = NULL;
5171 bool ret = false;
5172 char *group_sid_string;
5173 struct dom_sid group_sid;
5174 int rc;
5175 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5176
5177 filter = talloc_asprintf(tmp_ctx,
5178 "(&(gidNumber=%u)"
5179 "(objectClass=%s))",
5180 (unsigned int)gid,
5181 LDAP_OBJ_GROUPMAP);
5182 if (filter == NULL) {
5183 DEBUG(3, ("talloc_asprintf failed\n"));
5184 goto done;
5185 }
5186
5187 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5188 if (rc != LDAP_SUCCESS) {
5189 goto done;
5190 }
5191 talloc_autofree_ldapmsg(tmp_ctx, result);
5192
5193 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5194 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5195 ldap_count_entries(priv2ld(priv), result),
5196 (unsigned int)gid));
5197 goto done;
5198 }
5199
5200 entry = ldap_first_entry(priv2ld(priv), result);
5201
5202 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5203 "sambaSID", tmp_ctx);
5204 if (group_sid_string == NULL) {
5205 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5206 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5207 goto done;
5208 }
5209
5210 if (!string_to_sid(&group_sid, group_sid_string)) {
5211 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5212 group_sid_string));
5213 goto done;
5214 }
5215
5216 sid_copy(sid, &group_sid);
5217
5218 store_gid_sid_cache(sid, gid);
5219 idmap_cache_set_sid2gid(sid, gid);
5220
5221 ret = true;
5222
5223 done:
5224 TALLOC_FREE(tmp_ctx);
5225 return ret;
5226 }
5227
5228
5229 /*
5230 * The following functions are called only if
5231 * ldapsam:trusted and ldapsam:editposix are
5232 * set to true
5233 */
5234
5235 /*
5236 * ldapsam_create_user creates a new
5237 * posixAccount and sambaSamAccount object
5238 * in the ldap users subtree
5239 *
5240 * The uid is allocated by winbindd.
5241 */
5242
5243 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5244 TALLOC_CTX *tmp_ctx, const char *name,
5245 uint32_t acb_info, uint32_t *rid)
5246 {
5247 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5248 LDAPMessage *entry = NULL;
5249 LDAPMessage *result = NULL;
5250 uint32_t num_result;
5251 bool is_machine = False;
5252 bool add_posix = False;
5253 LDAPMod **mods = NULL;
5254 struct samu *user;
5255 char *filter;
5256 char *username;
5257 char *homedir;
5258 char *gidstr;
5259 char *uidstr;
5260 char *shell;
5261 const char *dn = NULL;
5262 struct dom_sid group_sid;
5263 struct dom_sid user_sid;
5264 gid_t gid = -1;
5265 uid_t uid = -1;
5266 NTSTATUS ret;
5267 int rc;
5268
5269 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5270 acb_info & ACB_WSTRUST ||
5271 acb_info & ACB_SVRTRUST ||
5272 acb_info & ACB_DOMTRUST) {
5273 is_machine = True;
5274 }
5275
5276 username = escape_ldap_string(talloc_tos(), name);
5277 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5278 username, LDAP_OBJ_POSIXACCOUNT);
5279 TALLOC_FREE(username);
5280
5281 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5282 if (rc != LDAP_SUCCESS) {
5283 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5284 return NT_STATUS_ACCESS_DENIED;
5285 }
5286 talloc_autofree_ldapmsg(tmp_ctx, result);
5287
5288 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5289
5290 if (num_result > 1) {
5291 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5292 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5293 }
5294
5295 if (num_result == 1) {
5296 char *tmp;
5297 /* check if it is just a posix account.
5298 * or if there is a sid attached to this entry
5299 */
5300
5301 entry = ldap_first_entry(priv2ld(ldap_state), result);
5302 if (!entry) {
5303 return NT_STATUS_UNSUCCESSFUL;
5304 }
5305
5306 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5307 if (tmp) {
5308 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5309 return NT_STATUS_USER_EXISTS;
5310 }
5311
5312 /* it is just a posix account, retrieve the dn for later use */
5313 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5314 if (!dn) {
5315 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5316 return NT_STATUS_NO_MEMORY;
5317 }
5318 }
5319
5320 if (num_result == 0) {
5321 add_posix = True;
5322 }
5323
5324 /* Create the basic samu structure and generate the mods for the ldap commit */
5325 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5326 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5327 return ret;
5328 }
5329
5330 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5331
5332 user = samu_new(tmp_ctx);
5333 if (!user) {
5334 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5335 return NT_STATUS_NO_MEMORY;
5336 }
5337
5338 if (!pdb_set_username(user, name, PDB_SET)) {
5339 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5340 return NT_STATUS_UNSUCCESSFUL;
5341 }
5342 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5343 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5344 return NT_STATUS_UNSUCCESSFUL;
5345 }
5346 if (is_machine) {
5347 if (acb_info & ACB_NORMAL) {
5348 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5349 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5350 return NT_STATUS_UNSUCCESSFUL;
5351 }
5352 } else {
5353 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5354 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5355 return NT_STATUS_UNSUCCESSFUL;
5356 }
5357 }
5358 } else {
5359 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5360 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5361 return NT_STATUS_UNSUCCESSFUL;
5362 }
5363 }
5364
5365 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5366 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5367 return NT_STATUS_UNSUCCESSFUL;
5368 }
5369
5370 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, element_is_set_or_changed)) {
5371 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5372 return NT_STATUS_UNSUCCESSFUL;
5373 }
5374
5375 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5376 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5377 }
5378 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5379
5380 if (add_posix) {
5381 char *escape_name;
5382
5383 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5384
5385 /* retrieve the Domain Users group gid */
5386 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5387 !sid_to_gid(&group_sid, &gid)) {
5388 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5389 return NT_STATUS_INVALID_PRIMARY_GROUP;
5390 }
5391
5392 /* lets allocate a new userid for this user */
5393 if (!winbind_allocate_uid(&uid)) {
5394 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5395 return NT_STATUS_UNSUCCESSFUL;
5396 }
5397
5398
5399 if (is_machine) {
5400 /* TODO: choose a more appropriate default for machines */
5401 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5402 shell = talloc_strdup(tmp_ctx, "/bin/false");
5403 } else {
5404 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5405 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5406 }
5407 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5408 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5409
5410 escape_name = escape_rdn_val_string_alloc(name);
5411 if (!escape_name) {
5412 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5413 return NT_STATUS_NO_MEMORY;
5414 }
5415
5416 if (is_machine) {
5417 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5418 } else {
5419 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5420 }
5421
5422 SAFE_FREE(escape_name);
5423
5424 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5425 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5426 return NT_STATUS_NO_MEMORY;
5427 }
5428
5429 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5430 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5431 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5432 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5433 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5434 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5435 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5436 }
5437
5438 talloc_autofree_ldapmod(tmp_ctx, mods);
5439
5440 if (add_posix) {
5441 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5442 } else {
5443 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5444 }
5445
5446 if (rc != LDAP_SUCCESS) {
5447 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5448 return NT_STATUS_UNSUCCESSFUL;
5449 }
5450
5451 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5452
5453 flush_pwnam_cache();
5454
5455 return NT_STATUS_OK;
5456 }
5457
5458 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5459 {
5460 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5461 LDAPMessage *result = NULL;
5462 LDAPMessage *entry = NULL;
5463 int num_result;
5464 const char *dn;
5465 char *filter;
5466 int rc;
5467
5468 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5469
5470 filter = talloc_asprintf(tmp_ctx,
5471 "(&(uid=%s)"
5472 "(objectClass=%s)"
5473 "(objectClass=%s))",
5474 pdb_get_username(sam_acct),
5475 LDAP_OBJ_POSIXACCOUNT,
5476 LDAP_OBJ_SAMBASAMACCOUNT);
5477 if (filter == NULL) {
5478 return NT_STATUS_NO_MEMORY;
5479 }
5480
5481 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5482 if (rc != LDAP_SUCCESS) {
5483 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5484 return NT_STATUS_UNSUCCESSFUL;
5485 }
5486 talloc_autofree_ldapmsg(tmp_ctx, result);
5487
5488 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5489
5490 if (num_result == 0) {
5491 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5492 return NT_STATUS_NO_SUCH_USER;
5493 }
5494
5495 if (num_result > 1) {
5496 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5497 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5498 }
5499
5500 entry = ldap_first_entry(priv2ld(ldap_state), result);
5501 if (!entry) {
5502 return NT_STATUS_UNSUCCESSFUL;
5503 }
5504
5505 /* it is just a posix account, retrieve the dn for later use */
5506 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5507 if (!dn) {
5508 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5509 return NT_STATUS_NO_MEMORY;
5510 }
5511
5512 /* try to remove memberships first */
5513 {
5514 NTSTATUS status;
5515 struct dom_sid *sids = NULL;
5516 gid_t *gids = NULL;
5517 uint32_t num_groups = 0;
5518 int i;
5519 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5520
5521 status = ldapsam_enum_group_memberships(my_methods,
5522 tmp_ctx,
5523 sam_acct,
5524 &sids,
5525 &gids,
5526 &num_groups);
5527 if (!NT_STATUS_IS_OK(status)) {
5528 goto delete_dn;
5529 }
5530
5531 for (i=0; i < num_groups; i++) {
5532
5533 uint32_t group_rid;
5534
5535 sid_peek_rid(&sids[i], &group_rid);
5536
5537 ldapsam_del_groupmem(my_methods,
5538 tmp_ctx,
5539 group_rid,
5540 user_rid);
5541 }
5542 }
5543
5544 delete_dn:
5545
5546 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5547 if (rc != LDAP_SUCCESS) {
5548 return NT_STATUS_UNSUCCESSFUL;
5549 }
5550
5551 flush_pwnam_cache();
5552
5553 return NT_STATUS_OK;
5554 }
5555
5556 /*
5557 * ldapsam_create_group creates a new
5558 * posixGroup and sambaGroupMapping object
5559 * in the ldap groups subtree
5560 *
5561 * The gid is allocated by winbindd.
5562 */
5563
5564 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5565 TALLOC_CTX *tmp_ctx,
5566 const char *name,
5567 uint32_t *rid)
5568 {
5569 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5570 NTSTATUS ret;
5571 LDAPMessage *entry = NULL;
5572 LDAPMessage *result = NULL;
5573 uint32_t num_result;
5574 bool is_new_entry = False;
5575 LDAPMod **mods = NULL;
5576 char *filter;
5577 char *groupsidstr;
5578 char *groupname;
5579 char *grouptype;
5580 char *gidstr;
5581 const char *dn = NULL;
5582 struct dom_sid group_sid;
5583 gid_t gid = -1;
5584 int rc;
5585
5586 groupname = escape_ldap_string(talloc_tos(), name);
5587 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5588 groupname, LDAP_OBJ_POSIXGROUP);
5589 TALLOC_FREE(groupname);
5590
5591 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5592 if (rc != LDAP_SUCCESS) {
5593 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5594 return NT_STATUS_UNSUCCESSFUL;
5595 }
5596 talloc_autofree_ldapmsg(tmp_ctx, result);
5597
5598 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5599
5600 if (num_result > 1) {
5601 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5602 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5603 }
5604
5605 if (num_result == 1) {
5606 char *tmp;
5607 /* check if it is just a posix group.
5608 * or if there is a sid attached to this entry
5609 */
5610
5611 entry = ldap_first_entry(priv2ld(ldap_state), result);
5612 if (!entry) {
5613 return NT_STATUS_UNSUCCESSFUL;
5614 }
5615
5616 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5617 if (tmp) {
5618 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5619 return NT_STATUS_GROUP_EXISTS;
5620 }
5621
5622 /* it is just a posix group, retrieve the gid and the dn for later use */
5623 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5624 if (!tmp) {
5625 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5626 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5627 }
5628
5629 gid = strtoul(tmp, NULL, 10);
5630
5631 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5632 if (!dn) {
5633 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5634 return NT_STATUS_NO_MEMORY;
5635 }
5636 }
5637
5638 if (num_result == 0) {
5639 is_new_entry = true;
5640 }
5641
5642 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5643 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5644 return ret;
5645 }
5646
5647 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5648
5649 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5650 &group_sid));
5651 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5652
5653 if (!groupsidstr || !grouptype) {
5654 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5655 return NT_STATUS_NO_MEMORY;
5656 }
5657
5658 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5659 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5660 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5661 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5662
5663 if (is_new_entry) {
5664 char *escape_name;
5665
5666 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5667
5668 /* lets allocate a new groupid for this group */
5669 if (!winbind_allocate_gid(&gid)) {
5670 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5671 return NT_STATUS_UNSUCCESSFUL;
5672 }
5673
5674 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5675
5676 escape_name = escape_rdn_val_string_alloc(name);
5677 if (!escape_name) {
5678 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5679 return NT_STATUS_NO_MEMORY;
5680 }
5681
5682 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5683
5684 SAFE_FREE(escape_name);
5685
5686 if (!gidstr || !dn) {
5687 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5688 return NT_STATUS_NO_MEMORY;
5689 }
5690
5691 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5692 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5693 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5694 }
5695
5696 talloc_autofree_ldapmod(tmp_ctx, mods);
5697
5698 if (is_new_entry) {
5699 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5700 #if 0
5701 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5702 /* This call may fail with rfc2307bis schema */
5703 /* Retry adding a structural class */
5704 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5705 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5706 }
5707 #endif
5708 } else {
5709 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5710 }
5711
5712 if (rc != LDAP_SUCCESS) {
5713 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5714 return NT_STATUS_UNSUCCESSFUL;
5715 }
5716
5717 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5718
5719 return NT_STATUS_OK;
5720 }
5721
5722 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5723 {
5724 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5725 LDAPMessage *result = NULL;
5726 LDAPMessage *entry = NULL;
5727 int num_result;
5728 const char *dn;
5729 char *gidstr;
5730 char *filter;
5731 struct dom_sid group_sid;
5732 int rc;
5733
5734 /* get the group sid */
5735 sid_compose(&group_sid, get_global_sam_sid(), rid);
5736
5737 filter = talloc_asprintf(tmp_ctx,
5738 "(&(sambaSID=%s)"
5739 "(objectClass=%s)"
5740 "(objectClass=%s))",
5741 sid_string_talloc(tmp_ctx, &group_sid),
5742 LDAP_OBJ_POSIXGROUP,
5743 LDAP_OBJ_GROUPMAP);
5744 if (filter == NULL) {
5745 return NT_STATUS_NO_MEMORY;
5746 }
5747
5748 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5749 if (rc != LDAP_SUCCESS) {
5750 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5751 return NT_STATUS_UNSUCCESSFUL;
5752 }
5753 talloc_autofree_ldapmsg(tmp_ctx, result);
5754
5755 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5756
5757 if (num_result == 0) {
5758 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5759 return NT_STATUS_NO_SUCH_GROUP;
5760 }
5761
5762 if (num_result > 1) {
5763 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5764 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5765 }
5766
5767 entry = ldap_first_entry(priv2ld(ldap_state), result);
5768 if (!entry) {
5769 return NT_STATUS_UNSUCCESSFUL;
5770 }
5771
5772 /* here it is, retrieve the dn for later use */
5773 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5774 if (!dn) {
5775 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5776 return NT_STATUS_NO_MEMORY;
5777 }
5778
5779 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5780 if (!gidstr) {
5781 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5782 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5783 }
5784
5785 /* check no user have this group marked as primary group */
5786 filter = talloc_asprintf(tmp_ctx,
5787 "(&(gidNumber=%s)"
5788 "(objectClass=%s)"
5789 "(objectClass=%s))",
5790 gidstr,
5791 LDAP_OBJ_POSIXACCOUNT,
5792 LDAP_OBJ_SAMBASAMACCOUNT);
5793
5794 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5795 if (rc != LDAP_SUCCESS) {
5796 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5797 return NT_STATUS_UNSUCCESSFUL;
5798 }
5799 talloc_autofree_ldapmsg(tmp_ctx, result);
5800
5801 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5802
5803 if (num_result != 0) {
5804 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5805 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5806 }
5807
5808 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5809 if (rc != LDAP_SUCCESS) {
5810 return NT_STATUS_UNSUCCESSFUL;
5811 }
5812
5813 return NT_STATUS_OK;
5814 }
5815
5816 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5817 TALLOC_CTX *tmp_ctx,
5818 uint32_t group_rid,
5819 uint32_t member_rid,
5820 int modop)
5821 {
5822 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5823 LDAPMessage *entry = NULL;
5824 LDAPMessage *result = NULL;
5825 uint32_t num_result;
5826 LDAPMod **mods = NULL;
5827 char *filter;
5828 char *uidstr;
5829 const char *dn = NULL;
5830 struct dom_sid group_sid;
5831 struct dom_sid member_sid;
5832 int rc;
5833
5834 switch (modop) {
5835 case LDAP_MOD_ADD:
5836 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5837 break;
5838 case LDAP_MOD_DELETE:
5839 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5840 break;
5841 default:
5842 return NT_STATUS_UNSUCCESSFUL;
5843 }
5844
5845 /* get member sid */
5846 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5847
5848 /* get the group sid */
5849 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5850
5851 filter = talloc_asprintf(tmp_ctx,
5852 "(&(sambaSID=%s)"
5853 "(objectClass=%s)"
5854 "(objectClass=%s))",
5855 sid_string_talloc(tmp_ctx, &member_sid),
5856 LDAP_OBJ_POSIXACCOUNT,
5857 LDAP_OBJ_SAMBASAMACCOUNT);
5858 if (filter == NULL) {
5859 return NT_STATUS_NO_MEMORY;
5860 }
5861
5862 /* get the member uid */
5863 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5864 if (rc != LDAP_SUCCESS) {
5865 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5866 return NT_STATUS_UNSUCCESSFUL;
5867 }
5868 talloc_autofree_ldapmsg(tmp_ctx, result);
5869
5870 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5871
5872 if (num_result == 0) {
5873 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5874 return NT_STATUS_NO_SUCH_MEMBER;
5875 }
5876
5877 if (num_result > 1) {
5878 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5879 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5880 }
5881
5882 entry = ldap_first_entry(priv2ld(ldap_state), result);
5883 if (!entry) {
5884 return NT_STATUS_UNSUCCESSFUL;
5885 }
5886
5887 if (modop == LDAP_MOD_DELETE) {
5888 /* check if we are trying to remove the member from his primary group */
5889 char *gidstr;
5890 gid_t user_gid, group_gid;
5891
5892 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5893 if (!gidstr) {
5894 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5895 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5896 }
5897
5898 user_gid = strtoul(gidstr, NULL, 10);
5899
5900 if (!sid_to_gid(&group_sid, &group_gid)) {
5901 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5902 return NT_STATUS_UNSUCCESSFUL;
5903 }
5904
5905 if (user_gid == group_gid) {
5906 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5907 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5908 }
5909 }
5910
5911 /* here it is, retrieve the uid for later use */
5912 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5913 if (!uidstr) {
5914 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5915 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5916 }
5917
5918 filter = talloc_asprintf(tmp_ctx,
5919 "(&(sambaSID=%s)"
5920 "(objectClass=%s)"
5921 "(objectClass=%s))",
5922 sid_string_talloc(tmp_ctx, &group_sid),
5923 LDAP_OBJ_POSIXGROUP,
5924 LDAP_OBJ_GROUPMAP);
5925
5926 /* get the group */
5927 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5928 if (rc != LDAP_SUCCESS) {
5929 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5930 return NT_STATUS_UNSUCCESSFUL;
5931 }
5932 talloc_autofree_ldapmsg(tmp_ctx, result);
5933
5934 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5935
5936 if (num_result == 0) {
5937 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5938 return NT_STATUS_NO_SUCH_GROUP;
5939 }
5940
5941 if (num_result > 1) {
5942 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5943 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5944 }
5945
5946 entry = ldap_first_entry(priv2ld(ldap_state), result);
5947 if (!entry) {
5948 return NT_STATUS_UNSUCCESSFUL;
5949 }
5950
5951 /* here it is, retrieve the dn for later use */
5952 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5953 if (!dn) {
5954 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5955 return NT_STATUS_NO_MEMORY;
5956 }
5957
5958 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5959
5960 talloc_autofree_ldapmod(tmp_ctx, mods);
5961
5962 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5963 if (rc != LDAP_SUCCESS) {
5964 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5965 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5966 return NT_STATUS_MEMBER_IN_GROUP;
5967 }
5968 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5969 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5970 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5971 }
5972 return NT_STATUS_UNSUCCESSFUL;
5973 }
5974
5975 return NT_STATUS_OK;
5976 }
5977
5978 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5979 TALLOC_CTX *tmp_ctx,
5980 uint32_t group_rid,
5981 uint32_t member_rid)
5982 {
5983 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5984 }
5985 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5986 TALLOC_CTX *tmp_ctx,
5987 uint32_t group_rid,
5988 uint32_t member_rid)
5989 {
5990 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5991 }
5992
5993 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5994 TALLOC_CTX *mem_ctx,
5995 struct samu *sampass)
5996 {
5997 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5998 LDAPMessage *entry = NULL;
5999 LDAPMessage *result = NULL;
6000 uint32_t num_result;
6001 LDAPMod **mods = NULL;
6002 char *filter;
6003 char *escape_username;
6004 char *gidstr;
6005 const char *dn = NULL;
6006 gid_t gid;
6007 int rc;
6008
6009 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6010
6011 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6012 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6013 return NT_STATUS_UNSUCCESSFUL;
6014 }
6015 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6016 if (!gidstr) {
6017 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6018 return NT_STATUS_NO_MEMORY;
6019 }
6020
6021 escape_username = escape_ldap_string(talloc_tos(),
6022 pdb_get_username(sampass));
6023 if (escape_username== NULL) {
6024 return NT_STATUS_NO_MEMORY;
6025 }
6026
6027 filter = talloc_asprintf(mem_ctx,
6028 "(&(uid=%s)"
6029 "(objectClass=%s)"
6030 "(objectClass=%s))",
6031 escape_username,
6032 LDAP_OBJ_POSIXACCOUNT,
6033 LDAP_OBJ_SAMBASAMACCOUNT);
6034
6035 TALLOC_FREE(escape_username);
6036
6037 if (filter == NULL) {
6038 return NT_STATUS_NO_MEMORY;
6039 }
6040
6041 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6042 if (rc != LDAP_SUCCESS) {
6043 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6044 return NT_STATUS_UNSUCCESSFUL;
6045 }
6046 talloc_autofree_ldapmsg(mem_ctx, result);
6047
6048 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6049
6050 if (num_result == 0) {
6051 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6052 return NT_STATUS_NO_SUCH_USER;
6053 }
6054
6055 if (num_result > 1) {
6056 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6057 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6058 }
6059
6060 entry = ldap_first_entry(priv2ld(ldap_state), result);
6061 if (!entry) {
6062 return NT_STATUS_UNSUCCESSFUL;
6063 }
6064
6065 /* retrieve the dn for later use */
6066 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6067 if (!dn) {
6068 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6069 return NT_STATUS_NO_MEMORY;
6070 }
6071
6072 /* remove the old one, and add the new one, this way we do not risk races */
6073 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6074
6075 if (mods == NULL) {
6076 return NT_STATUS_OK;
6077 }
6078
6079 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6080
6081 if (rc != LDAP_SUCCESS) {
6082 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6083 pdb_get_username(sampass), gidstr));
6084 return NT_STATUS_UNSUCCESSFUL;
6085 }
6086
6087 flush_pwnam_cache();
6088
6089 return NT_STATUS_OK;
6090 }
6091
6092
6093 /**********************************************************************
6094 trusted domains functions
6095 *********************************************************************/
6096
6097 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6098 const char *domain)
6099 {
6100 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6101 ldap_state->domain_dn);
6102 }
6103
6104 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6105 TALLOC_CTX *mem_ctx,
6106 const char *domain, LDAPMessage **entry)
6107 {
6108 int rc;
6109 char *filter;
6110 int scope = LDAP_SCOPE_SUBTREE;
6111 const char **attrs = NULL; /* NULL: get all attrs */
6112 int attrsonly = 0; /* 0: return values too */
6113 LDAPMessage *result = NULL;
6114 char *trusted_dn;
6115 uint32_t num_result;
6116
6117 filter = talloc_asprintf(talloc_tos(),
6118 "(&(objectClass=%s)(sambaDomainName=%s))",
6119 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6120
6121 trusted_dn = trusteddom_dn(ldap_state, domain);
6122 if (trusted_dn == NULL) {
6123 return False;
6124 }
6125 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6126 filter, attrs, attrsonly, &result);
6127
6128 if (result != NULL) {
6129 talloc_autofree_ldapmsg(mem_ctx, result);
6130 }
6131
6132 if (rc == LDAP_NO_SUCH_OBJECT) {
6133 *entry = NULL;
6134 return True;
6135 }
6136
6137 if (rc != LDAP_SUCCESS) {
6138 return False;
6139 }
6140
6141 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6142
6143 if (num_result > 1) {
6144 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6145 "%s object for domain '%s'?!\n",
6146 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6147 return False;
6148 }
6149
6150 if (num_result == 0) {
6151 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6152 "%s object for domain %s.\n",
6153 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6154 *entry = NULL;
6155 } else {
6156 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6157 }
6158
6159 return True;
6160 }
6161
6162 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6163 const char *domain,
6164 char** pwd,
6165 struct dom_sid *sid,
6166 time_t *pass_last_set_time)
6167 {
6168 struct ldapsam_privates *ldap_state =
6169 (struct ldapsam_privates *)methods->private_data;
6170 LDAPMessage *entry = NULL;
6171
6172 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6173
6174 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6175 (entry == NULL))
6176 {
6177 return False;
6178 }
6179
6180 /* password */
6181 if (pwd != NULL) {
6182 char *pwd_str;
6183 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6184 entry, "sambaClearTextPassword", talloc_tos());
6185 if (pwd_str == NULL) {
6186 return False;
6187 }
6188 /* trusteddom_pw routines do not use talloc yet... */
6189 *pwd = SMB_STRDUP(pwd_str);
6190 if (*pwd == NULL) {
6191 return False;
6192 }
6193 }
6194
6195 /* last change time */
6196 if (pass_last_set_time != NULL) {
6197 char *time_str;
6198 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6199 entry, "sambaPwdLastSet", talloc_tos());
6200 if (time_str == NULL) {
6201 return False;
6202 }
6203 *pass_last_set_time = (time_t)atol(time_str);
6204 }
6205
6206 /* domain sid */
6207 if (sid != NULL) {
6208 char *sid_str;
6209 struct dom_sid dom_sid;
6210 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6211 entry, "sambaSID",
6212 talloc_tos());
6213 if (sid_str == NULL) {
6214 return False;
6215 }
6216 if (!string_to_sid(&dom_sid, sid_str)) {
6217 return False;
6218 }
6219 sid_copy(sid, &dom_sid);
6220 }
6221
6222 return True;
6223 }
6224
6225 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6226 const char* domain,
6227 const char* pwd,
6228 const struct dom_sid *sid)
6229 {
6230 struct ldapsam_privates *ldap_state =
6231 (struct ldapsam_privates *)methods->private_data;
6232 LDAPMessage *entry = NULL;
6233 LDAPMod **mods = NULL;
6234 char *prev_pwd = NULL;
6235 char *trusted_dn = NULL;
6236 int rc;
6237
6238 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6239
6240 /*
6241 * get the current entry (if there is one) in order to put the
6242 * current password into the previous password attribute
6243 */
6244 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6245 return False;
6246 }
6247
6248 mods = NULL;
6249 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6250 LDAP_OBJ_TRUSTDOM_PASSWORD);
6251 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6252 domain);
6253 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6254 sid_string_tos(sid));
6255 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6256 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6257 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6258 "sambaClearTextPassword", pwd);
6259
6260 if (entry != NULL) {
6261 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6262 entry, "sambaClearTextPassword", talloc_tos());
6263 if (prev_pwd != NULL) {
6264 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6265 "sambaPreviousClearTextPassword",
6266 prev_pwd);
6267 }
6268 }
6269
6270 talloc_autofree_ldapmod(talloc_tos(), mods);
6271
6272 trusted_dn = trusteddom_dn(ldap_state, domain);
6273 if (trusted_dn == NULL) {
6274 return False;
6275 }
6276 if (entry == NULL) {
6277 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6278 } else {
6279 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6280 }
6281
6282 if (rc != LDAP_SUCCESS) {
6283 DEBUG(1, ("error writing trusted domain password!\n"));
6284 return False;
6285 }
6286
6287 return True;
6288 }
6289
6290 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6291 const char *domain)
6292 {
6293 int rc;
6294 struct ldapsam_privates *ldap_state =
6295 (struct ldapsam_privates *)methods->private_data;
6296 LDAPMessage *entry = NULL;
6297 const char *trusted_dn;
6298
6299 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6300 return False;
6301 }
6302
6303 if (entry == NULL) {
6304 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6305 "%s\n", domain));
6306 return True;
6307 }
6308
6309 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6310 entry);
6311 if (trusted_dn == NULL) {
6312 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6313 return False;
6314 }
6315
6316 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6317 if (rc != LDAP_SUCCESS) {
6318 return False;
6319 }
6320
6321 return True;
6322 }
6323
6324 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6325 TALLOC_CTX *mem_ctx,
6326 uint32_t *num_domains,
6327 struct trustdom_info ***domains)
6328 {
6329 int rc;
6330 struct ldapsam_privates *ldap_state =
6331 (struct ldapsam_privates *)methods->private_data;
6332 char *filter;
6333 int scope = LDAP_SCOPE_SUBTREE;
6334 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6335 int attrsonly = 0; /* 0: return values too */
6336 LDAPMessage *result = NULL;
6337 LDAPMessage *entry = NULL;
6338
6339 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6340 LDAP_OBJ_TRUSTDOM_PASSWORD);
6341
6342 rc = smbldap_search(ldap_state->smbldap_state,
6343 ldap_state->domain_dn,
6344 scope,
6345 filter,
6346 attrs,
6347 attrsonly,
6348 &result);
6349
6350 if (result != NULL) {
6351 talloc_autofree_ldapmsg(mem_ctx, result);
6352 }
6353
6354 if (rc != LDAP_SUCCESS) {
6355 return NT_STATUS_UNSUCCESSFUL;
6356 }
6357
6358 *num_domains = 0;
6359 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6360 DEBUG(1, ("talloc failed\n"));
6361 return NT_STATUS_NO_MEMORY;
6362 }
6363
6364 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6365 entry != NULL;
6366 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6367 {
6368 char *dom_name, *dom_sid_str;
6369 struct trustdom_info *dom_info;
6370
6371 dom_info = TALLOC_P(*domains, struct trustdom_info);
6372 if (dom_info == NULL) {
6373 DEBUG(1, ("talloc failed\n"));
6374 return NT_STATUS_NO_MEMORY;
6375 }
6376
6377 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6378 entry,
6379 "sambaDomainName",
6380 talloc_tos());
6381 if (dom_name == NULL) {
6382 DEBUG(1, ("talloc failed\n"));
6383 return NT_STATUS_NO_MEMORY;
6384 }
6385 dom_info->name = dom_name;
6386
6387 dom_sid_str = smbldap_talloc_single_attribute(
6388 priv2ld(ldap_state), entry, "sambaSID",
6389 talloc_tos());
6390 if (dom_sid_str == NULL) {
6391 DEBUG(1, ("talloc failed\n"));
6392 return NT_STATUS_NO_MEMORY;
6393 }
6394 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6395 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6396 dom_sid_str));
6397 return NT_STATUS_UNSUCCESSFUL;
6398 }
6399
6400 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6401 domains, num_domains);
6402
6403 if (*domains == NULL) {
6404 DEBUG(1, ("talloc failed\n"));
6405 return NT_STATUS_NO_MEMORY;
6406 }
6407 }
6408
6409 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6410 return NT_STATUS_OK;
6411 }
6412
6413
6414 /**********************************************************************
6415 Housekeeping
6416 *********************************************************************/
6417
6418 static void free_private_data(void **vp)
6419 {
6420 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6421
6422 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6423
6424 if ((*ldap_state)->result != NULL) {
6425 ldap_msgfree((*ldap_state)->result);
6426 (*ldap_state)->result = NULL;
6427 }
6428 if ((*ldap_state)->domain_dn != NULL) {
6429 SAFE_FREE((*ldap_state)->domain_dn);
6430 }
6431
6432 *ldap_state = NULL;
6433
6434 /* No need to free any further, as it is talloc()ed */
6435 }
6436
6437 /*********************************************************************
6438 Intitalise the parts of the pdb_methods structure that are common to
6439 all pdb_ldap modes
6440 *********************************************************************/
6441
6442 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6443 {
6444 NTSTATUS nt_status;
6445 struct ldapsam_privates *ldap_state;
6446
6447 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6448 return nt_status;
6449 }
6450
6451 (*pdb_method)->name = "ldapsam";
6452
6453 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6454 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6455 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6456 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6457 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6458 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6459
6460 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6461 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6462 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6463 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6464 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6465 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6466 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6467
6468 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6469 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6470
6471 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6472
6473 (*pdb_method)->capabilities = ldapsam_capabilities;
6474 (*pdb_method)->new_rid = ldapsam_new_rid;
6475
6476 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6477 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6478 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6479 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6480
6481 /* TODO: Setup private data and free */
6482
6483 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6484 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6485 return NT_STATUS_NO_MEMORY;
6486 }
6487
6488 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6489 location, &ldap_state->smbldap_state);
6490
6491 if ( !NT_STATUS_IS_OK(nt_status) ) {
6492 return nt_status;
6493 }
6494
6495 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6496 return NT_STATUS_NO_MEMORY;
6497 }
6498
6499 (*pdb_method)->private_data = ldap_state;
6500
6501 (*pdb_method)->free_private_data = free_private_data;
6502
6503 return NT_STATUS_OK;
6504 }
6505
6506 /**********************************************************************
6507 Initialise the 'compat' mode for pdb_ldap
6508 *********************************************************************/
6509
6510 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6511 {
6512 NTSTATUS nt_status;
6513 struct ldapsam_privates *ldap_state;
6514 char *uri = talloc_strdup( NULL, location );
6515
6516 trim_char( uri, '\"', '\"' );
6517 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6518 if ( uri )
6519 TALLOC_FREE( uri );
6520
6521 if ( !NT_STATUS_IS_OK(nt_status) ) {
6522 return nt_status;
6523 }
6524
6525 (*pdb_method)->name = "ldapsam_compat";
6526
6527 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6528 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6529
6530 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6531
6532 return NT_STATUS_OK;
6533 }
6534
6535 /**********************************************************************
6536 Initialise the normal mode for pdb_ldap
6537 *********************************************************************/
6538
6539 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6540 {
6541 NTSTATUS nt_status;
6542 struct ldapsam_privates *ldap_state = NULL;
6543 uint32_t alg_rid_base;
6544 char *alg_rid_base_string = NULL;
6545 LDAPMessage *result = NULL;
6546 LDAPMessage *entry = NULL;
6547 struct dom_sid ldap_domain_sid;
6548 struct dom_sid secrets_domain_sid;
6549 char *domain_sid_string = NULL;
6550 char *dn = NULL;
6551 char *uri = talloc_strdup( NULL, location );
6552
6553 trim_char( uri, '\"', '\"' );
6554 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6555
6556 TALLOC_FREE(uri);
6557
6558 if (!NT_STATUS_IS_OK(nt_status)) {
6559 return nt_status;
6560 }
6561
6562 (*pdb_method)->name = "ldapsam";
6563
6564 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6565 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6566 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6567 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6568 (*pdb_method)->search_users = ldapsam_search_users;
6569 (*pdb_method)->search_groups = ldapsam_search_groups;
6570 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6571
6572 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6573 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6574 (*pdb_method)->enum_group_memberships =
6575 ldapsam_enum_group_memberships;
6576 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6577 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6578 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6579 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6580
6581 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6582 (*pdb_method)->create_user = ldapsam_create_user;
6583 (*pdb_method)->delete_user = ldapsam_delete_user;
6584 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6585 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6586 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6587 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6588 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6589 }
6590 }
6591
6592 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6593 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6594
6595 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6596
6597 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6598 &result,
6599 ldap_state->domain_name, True);
6600
6601 if ( !NT_STATUS_IS_OK(nt_status) ) {
6602 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6603 "info, nor add one to the domain\n"));
6604 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6605 "will be unable to allocate new users/groups, "
6606 "and will risk BDCs having inconsistent SIDs\n"));
6607 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6608 return NT_STATUS_OK;
6609 }
6610
6611 /* Given that the above might fail, everything below this must be
6612 * optional */
6613
6614 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6615 result);
6616 if (!entry) {
6617 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6618 "entry\n"));
6619 ldap_msgfree(result);
6620 return NT_STATUS_UNSUCCESSFUL;
6621 }
6622
6623 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6624 if (!dn) {
6625 ldap_msgfree(result);
6626 return NT_STATUS_UNSUCCESSFUL;
6627 }
6628
6629 ldap_state->domain_dn = smb_xstrdup(dn);
6630 TALLOC_FREE(dn);
6631
6632 domain_sid_string = smbldap_talloc_single_attribute(
6633 ldap_state->smbldap_state->ldap_struct,
6634 entry,
6635 get_userattr_key2string(ldap_state->schema_ver,
6636 LDAP_ATTR_USER_SID),
6637 talloc_tos());
6638
6639 if (domain_sid_string) {
6640 bool found_sid;
6641 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6642 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6643 "read as a valid SID\n", domain_sid_string));
6644 ldap_msgfree(result);
6645 TALLOC_FREE(domain_sid_string);
6646 return NT_STATUS_INVALID_PARAMETER;
6647 }
6648 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6649 &secrets_domain_sid);
6650 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6651 &ldap_domain_sid)) {
6652 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6653 "%s based on pdb_ldap results %s -> %s\n",
6654 ldap_state->domain_name,
6655 sid_string_dbg(&secrets_domain_sid),
6656 sid_string_dbg(&ldap_domain_sid)));
6657
6658 /* reset secrets.tdb sid */
6659 secrets_store_domain_sid(ldap_state->domain_name,
6660 &ldap_domain_sid);
6661 DEBUG(1, ("New global sam SID: %s\n",
6662 sid_string_dbg(get_global_sam_sid())));
6663 }
6664 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6665 TALLOC_FREE(domain_sid_string);
6666 }
6667
6668 alg_rid_base_string = smbldap_talloc_single_attribute(
6669 ldap_state->smbldap_state->ldap_struct,
6670 entry,
6671 get_attr_key2string( dominfo_attr_list,
6672 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6673 talloc_tos());
6674 if (alg_rid_base_string) {
6675 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6676 if (alg_rid_base != algorithmic_rid_base()) {
6677 DEBUG(0, ("The value of 'algorithmic RID base' has "
6678 "changed since the LDAP\n"
6679 "database was initialised. Aborting. \n"));
6680 ldap_msgfree(result);
6681 TALLOC_FREE(alg_rid_base_string);
6682 return NT_STATUS_UNSUCCESSFUL;
6683 }
6684 TALLOC_FREE(alg_rid_base_string);
6685 }
6686 ldap_msgfree(result);
6687
6688 return NT_STATUS_OK;
6689 }
6690
6691 NTSTATUS pdb_ldap_init(void)
6692 {
6693 NTSTATUS nt_status;
6694 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6695 return nt_status;
6696
6697 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6698 return nt_status;
6699
6700 /* Let pdb_nds register backends */
6701 pdb_nds_init();
6702
6703 pdb_ipa_init();
6704
6705 return NT_STATUS_OK;
6706 }
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