?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s3-lsasd: Listen on parent messages
[Samba/bjacke.git] / source3 / passdb / pdb_ldap.c
blob8b6f07c025cf2707cc2ffac169b3f98841c413a5
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(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 Update struct samu.
1946 *********************************************************************/
1947
1948 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1949 {
1950 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1951 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1952 int rc = 0;
1953 char *dn;
1954 LDAPMessage *result = NULL;
1955 LDAPMessage *entry = NULL;
1956 LDAPMod **mods = NULL;
1957 const char **attr_list;
1958
1959 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1960 if (!result) {
1961 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1962 if (pdb_get_username(newpwd) == NULL) {
1963 return NT_STATUS_INVALID_PARAMETER;
1964 }
1965 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1966 TALLOC_FREE( attr_list );
1967 if (rc != LDAP_SUCCESS) {
1968 return NT_STATUS_UNSUCCESSFUL;
1969 }
1970 pdb_set_backend_private_data(newpwd, result, NULL,
1971 my_methods, PDB_CHANGED);
1972 talloc_autofree_ldapmsg(newpwd, result);
1973 }
1974
1975 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1976 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1977 return NT_STATUS_UNSUCCESSFUL;
1978 }
1979
1980 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1981 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1982 if (!dn) {
1983 return NT_STATUS_UNSUCCESSFUL;
1984 }
1985
1986 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1987
1988 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1989 pdb_element_is_changed)) {
1990 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1991 TALLOC_FREE(dn);
1992 if (mods != NULL)
1993 ldap_mods_free(mods,True);
1994 return NT_STATUS_UNSUCCESSFUL;
1995 }
1996
1997 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1998 && (mods == NULL)) {
1999 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2000 pdb_get_username(newpwd)));
2001 TALLOC_FREE(dn);
2002 return NT_STATUS_OK;
2003 }
2004
2005 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
2006
2007 if (mods != NULL) {
2008 ldap_mods_free(mods,True);
2009 }
2010
2011 TALLOC_FREE(dn);
2012
2013 /*
2014 * We need to set the backend private data to NULL here. For example
2015 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2016 * same one, and with the explicit delete / add logic for attribute
2017 * values the second time we would use the wrong "old" value which
2018 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2019 * the update.
2020 * The existing LDAPMessage is still being auto-freed by the
2021 * destructor.
2022 */
2023 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2024 PDB_CHANGED);
2025
2026 if (!NT_STATUS_IS_OK(ret)) {
2027 return ret;
2028 }
2029
2030 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2031 pdb_get_username(newpwd)));
2032 return NT_STATUS_OK;
2033 }
2034
2035 /***************************************************************************
2036 Renames a struct samu
2037 - The "rename user script" has full responsibility for changing everything
2038 ***************************************************************************/
2039
2040 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2041 TALLOC_CTX *tmp_ctx,
2042 uint32_t group_rid,
2043 uint32_t member_rid);
2044
2045 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2046 TALLOC_CTX *mem_ctx,
2047 struct samu *user,
2048 struct dom_sid **pp_sids,
2049 gid_t **pp_gids,
2050 uint32_t *p_num_groups);
2051
2052 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2053 struct samu *old_acct,
2054 const char *newname)
2055 {
2056 const char *oldname;
2057 int rc;
2058 char *rename_script = NULL;
2059 fstring oldname_lower, newname_lower;
2060
2061 if (!old_acct) {
2062 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2063 return NT_STATUS_INVALID_PARAMETER;
2064 }
2065 if (!newname) {
2066 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2067 return NT_STATUS_INVALID_PARAMETER;
2068 }
2069
2070 oldname = pdb_get_username(old_acct);
2071
2072 /* rename the posix user */
2073 rename_script = SMB_STRDUP(lp_renameuser_script());
2074 if (rename_script == NULL) {
2075 return NT_STATUS_NO_MEMORY;
2076 }
2077
2078 if (!(*rename_script)) {
2079 SAFE_FREE(rename_script);
2080 return NT_STATUS_ACCESS_DENIED;
2081 }
2082
2083 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2084 oldname, newname));
2085
2086 /* We have to allow the account name to end with a '$'.
2087 Also, follow the semantics in _samr_create_user() and lower case the
2088 posix name but preserve the case in passdb */
2089
2090 fstrcpy( oldname_lower, oldname );
2091 strlower_m( oldname_lower );
2092 fstrcpy( newname_lower, newname );
2093 strlower_m( newname_lower );
2094 rename_script = realloc_string_sub2(rename_script,
2095 "%unew",
2096 newname_lower,
2097 true,
2098 true);
2099 if (!rename_script) {
2100 return NT_STATUS_NO_MEMORY;
2101 }
2102 rename_script = realloc_string_sub2(rename_script,
2103 "%uold",
2104 oldname_lower,
2105 true,
2106 true);
2107 rc = smbrun(rename_script, NULL);
2108
2109 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2110 rename_script, rc));
2111
2112 SAFE_FREE(rename_script);
2113
2114 if (rc == 0) {
2115 smb_nscd_flush_user_cache();
2116 }
2117
2118 if (rc)
2119 return NT_STATUS_UNSUCCESSFUL;
2120
2121 return NT_STATUS_OK;
2122 }
2123
2124 /**********************************************************************
2125 Add struct samu to LDAP.
2126 *********************************************************************/
2127
2128 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2129 {
2130 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2131 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2132 int rc;
2133 LDAPMessage *result = NULL;
2134 LDAPMessage *entry = NULL;
2135 LDAPMod **mods = NULL;
2136 int ldap_op = LDAP_MOD_REPLACE;
2137 uint32_t num_result;
2138 const char **attr_list;
2139 char *escape_user = NULL;
2140 const char *username = pdb_get_username(newpwd);
2141 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2142 char *filter = NULL;
2143 char *dn = NULL;
2144 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2145 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2146
2147 if (!ctx) {
2148 return NT_STATUS_NO_MEMORY;
2149 }
2150
2151 if (!username || !*username) {
2152 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2153 status = NT_STATUS_INVALID_PARAMETER;
2154 goto fn_exit;
2155 }
2156
2157 /* free this list after the second search or in case we exit on failure */
2158 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2159
2160 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2161
2162 if (rc != LDAP_SUCCESS) {
2163 goto fn_exit;
2164 }
2165
2166 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2167 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2168 username));
2169 goto fn_exit;
2170 }
2171 ldap_msgfree(result);
2172 result = NULL;
2173
2174 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2175 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2176 sid, &result);
2177 if (rc == LDAP_SUCCESS) {
2178 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2179 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2180 "already in the base, with samba "
2181 "attributes\n", sid_string_dbg(sid)));
2182 goto fn_exit;
2183 }
2184 ldap_msgfree(result);
2185 result = NULL;
2186 }
2187 }
2188
2189 /* does the entry already exist but without a samba attributes?
2190 we need to return the samba attributes here */
2191
2192 escape_user = escape_ldap_string(talloc_tos(), username);
2193 filter = talloc_strdup(attr_list, "(uid=%u)");
2194 if (!filter) {
2195 status = NT_STATUS_NO_MEMORY;
2196 goto fn_exit;
2197 }
2198 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2199 TALLOC_FREE(escape_user);
2200 if (!filter) {
2201 status = NT_STATUS_NO_MEMORY;
2202 goto fn_exit;
2203 }
2204
2205 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2206 filter, attr_list, &result);
2207 if ( rc != LDAP_SUCCESS ) {
2208 goto fn_exit;
2209 }
2210
2211 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2212
2213 if (num_result > 1) {
2214 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2215 goto fn_exit;
2216 }
2217
2218 /* Check if we need to update an existing entry */
2219 if (num_result == 1) {
2220 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2221 ldap_op = LDAP_MOD_REPLACE;
2222 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2223 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2224 if (!dn) {
2225 status = NT_STATUS_NO_MEMORY;
2226 goto fn_exit;
2227 }
2228
2229 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2230
2231 /* There might be a SID for this account already - say an idmap entry */
2232
2233 filter = talloc_asprintf(ctx,
2234 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2235 get_userattr_key2string(ldap_state->schema_ver,
2236 LDAP_ATTR_USER_SID),
2237 sid_string_talloc(ctx, sid),
2238 LDAP_OBJ_IDMAP_ENTRY,
2239 LDAP_OBJ_SID_ENTRY);
2240 if (!filter) {
2241 status = NT_STATUS_NO_MEMORY;
2242 goto fn_exit;
2243 }
2244
2245 /* free old result before doing a new search */
2246 if (result != NULL) {
2247 ldap_msgfree(result);
2248 result = NULL;
2249 }
2250 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2251 filter, attr_list, &result);
2252
2253 if ( rc != LDAP_SUCCESS ) {
2254 goto fn_exit;
2255 }
2256
2257 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2258
2259 if (num_result > 1) {
2260 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2261 goto fn_exit;
2262 }
2263
2264 /* Check if we need to update an existing entry */
2265 if (num_result == 1) {
2266
2267 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2268 ldap_op = LDAP_MOD_REPLACE;
2269 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2270 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2271 if (!dn) {
2272 status = NT_STATUS_NO_MEMORY;
2273 goto fn_exit;
2274 }
2275 }
2276 }
2277
2278 if (num_result == 0) {
2279 char *escape_username;
2280 /* Check if we need to add an entry */
2281 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2282 ldap_op = LDAP_MOD_ADD;
2283
2284 escape_username = escape_rdn_val_string_alloc(username);
2285 if (!escape_username) {
2286 status = NT_STATUS_NO_MEMORY;
2287 goto fn_exit;
2288 }
2289
2290 if (username[strlen(username)-1] == '$') {
2291 dn = talloc_asprintf(ctx,
2292 "uid=%s,%s",
2293 escape_username,
2294 lp_ldap_machine_suffix());
2295 } else {
2296 dn = talloc_asprintf(ctx,
2297 "uid=%s,%s",
2298 escape_username,
2299 lp_ldap_user_suffix());
2300 }
2301
2302 SAFE_FREE(escape_username);
2303 if (!dn) {
2304 status = NT_STATUS_NO_MEMORY;
2305 goto fn_exit;
2306 }
2307 }
2308
2309 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2310 pdb_element_is_set_or_changed)) {
2311 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2312 if (mods != NULL) {
2313 ldap_mods_free(mods, true);
2314 }
2315 goto fn_exit;
2316 }
2317
2318 if (mods == NULL) {
2319 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2320 goto fn_exit;
2321 }
2322 switch ( ldap_state->schema_ver ) {
2323 case SCHEMAVER_SAMBAACCOUNT:
2324 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2325 break;
2326 case SCHEMAVER_SAMBASAMACCOUNT:
2327 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2328 break;
2329 default:
2330 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2331 break;
2332 }
2333
2334 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2335 if (!NT_STATUS_IS_OK(ret)) {
2336 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2337 pdb_get_username(newpwd),dn));
2338 ldap_mods_free(mods, true);
2339 goto fn_exit;
2340 }
2341
2342 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2343 ldap_mods_free(mods, true);
2344
2345 status = NT_STATUS_OK;
2346
2347 fn_exit:
2348
2349 TALLOC_FREE(ctx);
2350 if (result) {
2351 ldap_msgfree(result);
2352 }
2353 return status;
2354 }
2355
2356 /**********************************************************************
2357 *********************************************************************/
2358
2359 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2360 const char *filter,
2361 LDAPMessage ** result)
2362 {
2363 int scope = LDAP_SCOPE_SUBTREE;
2364 int rc;
2365 const char **attr_list;
2366
2367 attr_list = get_attr_list(NULL, groupmap_attr_list);
2368 rc = smbldap_search(ldap_state->smbldap_state,
2369 lp_ldap_suffix (), scope,
2370 filter, attr_list, 0, result);
2371 TALLOC_FREE(attr_list);
2372
2373 return rc;
2374 }
2375
2376 /**********************************************************************
2377 *********************************************************************/
2378
2379 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2380 GROUP_MAP *map, LDAPMessage *entry)
2381 {
2382 char *temp = NULL;
2383 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2384
2385 if (ldap_state == NULL || map == NULL || entry == NULL ||
2386 ldap_state->smbldap_state->ldap_struct == NULL) {
2387 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2388 TALLOC_FREE(ctx);
2389 return false;
2390 }
2391
2392 temp = smbldap_talloc_single_attribute(
2393 ldap_state->smbldap_state->ldap_struct,
2394 entry,
2395 get_attr_key2string(groupmap_attr_list,
2396 LDAP_ATTR_GIDNUMBER),
2397 ctx);
2398 if (!temp) {
2399 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2400 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2401 TALLOC_FREE(ctx);
2402 return false;
2403 }
2404 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2405
2406 map->gid = (gid_t)atol(temp);
2407
2408 TALLOC_FREE(temp);
2409 temp = smbldap_talloc_single_attribute(
2410 ldap_state->smbldap_state->ldap_struct,
2411 entry,
2412 get_attr_key2string(groupmap_attr_list,
2413 LDAP_ATTR_GROUP_SID),
2414 ctx);
2415 if (!temp) {
2416 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2417 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2418 TALLOC_FREE(ctx);
2419 return false;
2420 }
2421
2422 if (!string_to_sid(&map->sid, temp)) {
2423 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2424 TALLOC_FREE(ctx);
2425 return false;
2426 }
2427
2428 TALLOC_FREE(temp);
2429 temp = smbldap_talloc_single_attribute(
2430 ldap_state->smbldap_state->ldap_struct,
2431 entry,
2432 get_attr_key2string(groupmap_attr_list,
2433 LDAP_ATTR_GROUP_TYPE),
2434 ctx);
2435 if (!temp) {
2436 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2437 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2438 TALLOC_FREE(ctx);
2439 return false;
2440 }
2441 map->sid_name_use = (enum lsa_SidType)atol(temp);
2442
2443 if ((map->sid_name_use < SID_NAME_USER) ||
2444 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2445 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2446 TALLOC_FREE(ctx);
2447 return false;
2448 }
2449
2450 TALLOC_FREE(temp);
2451 temp = smbldap_talloc_single_attribute(
2452 ldap_state->smbldap_state->ldap_struct,
2453 entry,
2454 get_attr_key2string(groupmap_attr_list,
2455 LDAP_ATTR_DISPLAY_NAME),
2456 ctx);
2457 if (!temp) {
2458 temp = smbldap_talloc_single_attribute(
2459 ldap_state->smbldap_state->ldap_struct,
2460 entry,
2461 get_attr_key2string(groupmap_attr_list,
2462 LDAP_ATTR_CN),
2463 ctx);
2464 if (!temp) {
2465 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2466 for gidNumber(%lu)\n",(unsigned long)map->gid));
2467 TALLOC_FREE(ctx);
2468 return false;
2469 }
2470 }
2471 fstrcpy(map->nt_name, temp);
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_DESC),
2479 ctx);
2480 if (!temp) {
2481 temp = talloc_strdup(ctx, "");
2482 if (!temp) {
2483 TALLOC_FREE(ctx);
2484 return false;
2485 }
2486 }
2487 fstrcpy(map->comment, temp);
2488
2489 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2490 store_gid_sid_cache(&map->sid, map->gid);
2491 idmap_cache_set_sid2gid(&map->sid, map->gid);
2492 }
2493
2494 TALLOC_FREE(ctx);
2495 return true;
2496 }
2497
2498 /**********************************************************************
2499 *********************************************************************/
2500
2501 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2502 const char *filter,
2503 GROUP_MAP *map)
2504 {
2505 struct ldapsam_privates *ldap_state =
2506 (struct ldapsam_privates *)methods->private_data;
2507 LDAPMessage *result = NULL;
2508 LDAPMessage *entry = NULL;
2509 int count;
2510
2511 if (ldapsam_search_one_group(ldap_state, filter, &result)
2512 != LDAP_SUCCESS) {
2513 return NT_STATUS_NO_SUCH_GROUP;
2514 }
2515
2516 count = ldap_count_entries(priv2ld(ldap_state), result);
2517
2518 if (count < 1) {
2519 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2520 "%s\n", filter));
2521 ldap_msgfree(result);
2522 return NT_STATUS_NO_SUCH_GROUP;
2523 }
2524
2525 if (count > 1) {
2526 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2527 "count=%d\n", filter, count));
2528 ldap_msgfree(result);
2529 return NT_STATUS_NO_SUCH_GROUP;
2530 }
2531
2532 entry = ldap_first_entry(priv2ld(ldap_state), result);
2533
2534 if (!entry) {
2535 ldap_msgfree(result);
2536 return NT_STATUS_UNSUCCESSFUL;
2537 }
2538
2539 if (!init_group_from_ldap(ldap_state, map, entry)) {
2540 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2541 "group filter %s\n", filter));
2542 ldap_msgfree(result);
2543 return NT_STATUS_NO_SUCH_GROUP;
2544 }
2545
2546 ldap_msgfree(result);
2547 return NT_STATUS_OK;
2548 }
2549
2550 /**********************************************************************
2551 *********************************************************************/
2552
2553 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2554 struct dom_sid sid)
2555 {
2556 char *filter = NULL;
2557 NTSTATUS status;
2558 fstring tmp;
2559
2560 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2561 LDAP_OBJ_GROUPMAP,
2562 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2563 sid_to_fstring(tmp, &sid)) < 0) {
2564 return NT_STATUS_NO_MEMORY;
2565 }
2566
2567 status = ldapsam_getgroup(methods, filter, map);
2568 SAFE_FREE(filter);
2569 return status;
2570 }
2571
2572 /**********************************************************************
2573 *********************************************************************/
2574
2575 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2576 gid_t gid)
2577 {
2578 char *filter = NULL;
2579 NTSTATUS status;
2580
2581 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2582 LDAP_OBJ_GROUPMAP,
2583 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2584 (unsigned long)gid) < 0) {
2585 return NT_STATUS_NO_MEMORY;
2586 }
2587
2588 status = ldapsam_getgroup(methods, filter, map);
2589 SAFE_FREE(filter);
2590 return status;
2591 }
2592
2593 /**********************************************************************
2594 *********************************************************************/
2595
2596 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2597 const char *name)
2598 {
2599 char *filter = NULL;
2600 char *escape_name = escape_ldap_string(talloc_tos(), name);
2601 NTSTATUS status;
2602
2603 if (!escape_name) {
2604 return NT_STATUS_NO_MEMORY;
2605 }
2606
2607 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2608 LDAP_OBJ_GROUPMAP,
2609 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2610 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2611 escape_name) < 0) {
2612 TALLOC_FREE(escape_name);
2613 return NT_STATUS_NO_MEMORY;
2614 }
2615
2616 TALLOC_FREE(escape_name);
2617 status = ldapsam_getgroup(methods, filter, map);
2618 SAFE_FREE(filter);
2619 return status;
2620 }
2621
2622 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2623 LDAPMessage *entry,
2624 const struct dom_sid *domain_sid,
2625 uint32_t *rid)
2626 {
2627 fstring str;
2628 struct dom_sid sid;
2629
2630 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2631 str, sizeof(str)-1)) {
2632 DEBUG(10, ("Could not find sambaSID attribute\n"));
2633 return False;
2634 }
2635
2636 if (!string_to_sid(&sid, str)) {
2637 DEBUG(10, ("Could not convert string %s to sid\n", str));
2638 return False;
2639 }
2640
2641 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2642 DEBUG(10, ("SID %s is not in expected domain %s\n",
2643 str, sid_string_dbg(domain_sid)));
2644 return False;
2645 }
2646
2647 if (!sid_peek_rid(&sid, rid)) {
2648 DEBUG(10, ("Could not peek into RID\n"));
2649 return False;
2650 }
2651
2652 return True;
2653 }
2654
2655 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2656 TALLOC_CTX *mem_ctx,
2657 const struct dom_sid *group,
2658 uint32_t **pp_member_rids,
2659 size_t *p_num_members)
2660 {
2661 struct ldapsam_privates *ldap_state =
2662 (struct ldapsam_privates *)methods->private_data;
2663 struct smbldap_state *conn = ldap_state->smbldap_state;
2664 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2665 const char *sid_attrs[] = { "sambaSID", NULL };
2666 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2667 LDAPMessage *result = NULL;
2668 LDAPMessage *entry;
2669 char *filter;
2670 char **values = NULL;
2671 char **memberuid;
2672 char *gidstr;
2673 int rc, count;
2674
2675 *pp_member_rids = NULL;
2676 *p_num_members = 0;
2677
2678 filter = talloc_asprintf(mem_ctx,
2679 "(&(objectClass=%s)"
2680 "(objectClass=%s)"
2681 "(sambaSID=%s))",
2682 LDAP_OBJ_POSIXGROUP,
2683 LDAP_OBJ_GROUPMAP,
2684 sid_string_talloc(mem_ctx, group));
2685 if (filter == NULL) {
2686 ret = NT_STATUS_NO_MEMORY;
2687 goto done;
2688 }
2689
2690 rc = smbldap_search(conn, lp_ldap_suffix(),
2691 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2692 &result);
2693
2694 if (rc != LDAP_SUCCESS)
2695 goto done;
2696
2697 talloc_autofree_ldapmsg(mem_ctx, result);
2698
2699 count = ldap_count_entries(conn->ldap_struct, result);
2700
2701 if (count > 1) {
2702 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2703 sid_string_dbg(group)));
2704 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2705 goto done;
2706 }
2707
2708 if (count == 0) {
2709 ret = NT_STATUS_NO_SUCH_GROUP;
2710 goto done;
2711 }
2712
2713 entry = ldap_first_entry(conn->ldap_struct, result);
2714 if (entry == NULL)
2715 goto done;
2716
2717 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2718 if (!gidstr) {
2719 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2720 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2721 goto done;
2722 }
2723
2724 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2725
2726 if ((values != NULL) && (values[0] != NULL)) {
2727
2728 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2729 if (filter == NULL) {
2730 ret = NT_STATUS_NO_MEMORY;
2731 goto done;
2732 }
2733
2734 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2735 char *escape_memberuid;
2736
2737 escape_memberuid = escape_ldap_string(talloc_tos(),
2738 *memberuid);
2739 if (escape_memberuid == NULL) {
2740 ret = NT_STATUS_NO_MEMORY;
2741 goto done;
2742 }
2743
2744 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2745 TALLOC_FREE(escape_memberuid);
2746 if (filter == NULL) {
2747 ret = NT_STATUS_NO_MEMORY;
2748 goto done;
2749 }
2750 }
2751
2752 filter = talloc_asprintf_append_buffer(filter, "))");
2753 if (filter == NULL) {
2754 ret = NT_STATUS_NO_MEMORY;
2755 goto done;
2756 }
2757
2758 rc = smbldap_search(conn, lp_ldap_suffix(),
2759 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2760 &result);
2761
2762 if (rc != LDAP_SUCCESS)
2763 goto done;
2764
2765 count = ldap_count_entries(conn->ldap_struct, result);
2766 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2767
2768 talloc_autofree_ldapmsg(mem_ctx, result);
2769
2770 for (entry = ldap_first_entry(conn->ldap_struct, result);
2771 entry != NULL;
2772 entry = ldap_next_entry(conn->ldap_struct, entry))
2773 {
2774 char *sidstr;
2775 struct dom_sid sid;
2776 uint32_t rid;
2777
2778 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2779 entry, "sambaSID",
2780 mem_ctx);
2781 if (!sidstr) {
2782 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2783 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2784 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2785 goto done;
2786 }
2787
2788 if (!string_to_sid(&sid, sidstr))
2789 goto done;
2790
2791 if (!sid_check_is_in_our_domain(&sid)) {
2792 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2793 "in our domain\n"));
2794 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2795 goto done;
2796 }
2797
2798 sid_peek_rid(&sid, &rid);
2799
2800 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2801 p_num_members)) {
2802 ret = NT_STATUS_NO_MEMORY;
2803 goto done;
2804 }
2805 }
2806 }
2807
2808 filter = talloc_asprintf(mem_ctx,
2809 "(&(objectClass=%s)"
2810 "(gidNumber=%s))",
2811 LDAP_OBJ_SAMBASAMACCOUNT,
2812 gidstr);
2813
2814 rc = smbldap_search(conn, lp_ldap_suffix(),
2815 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2816 &result);
2817
2818 if (rc != LDAP_SUCCESS)
2819 goto done;
2820
2821 talloc_autofree_ldapmsg(mem_ctx, result);
2822
2823 for (entry = ldap_first_entry(conn->ldap_struct, result);
2824 entry != NULL;
2825 entry = ldap_next_entry(conn->ldap_struct, entry))
2826 {
2827 uint32_t rid;
2828
2829 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2830 entry,
2831 get_global_sam_sid(),
2832 &rid)) {
2833 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2834 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2835 goto done;
2836 }
2837
2838 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2839 p_num_members)) {
2840 ret = NT_STATUS_NO_MEMORY;
2841 goto done;
2842 }
2843 }
2844
2845 ret = NT_STATUS_OK;
2846
2847 done:
2848
2849 if (values)
2850 ldap_value_free(values);
2851
2852 return ret;
2853 }
2854
2855 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2856 TALLOC_CTX *mem_ctx,
2857 struct samu *user,
2858 struct dom_sid **pp_sids,
2859 gid_t **pp_gids,
2860 uint32_t *p_num_groups)
2861 {
2862 struct ldapsam_privates *ldap_state =
2863 (struct ldapsam_privates *)methods->private_data;
2864 struct smbldap_state *conn = ldap_state->smbldap_state;
2865 char *filter;
2866 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2867 char *escape_name;
2868 int rc, count;
2869 LDAPMessage *result = NULL;
2870 LDAPMessage *entry;
2871 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2872 uint32_t num_sids;
2873 uint32_t num_gids;
2874 char *gidstr;
2875 gid_t primary_gid = -1;
2876
2877 *pp_sids = NULL;
2878 num_sids = 0;
2879
2880 if (pdb_get_username(user) == NULL) {
2881 return NT_STATUS_INVALID_PARAMETER;
2882 }
2883
2884 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2885 if (escape_name == NULL)
2886 return NT_STATUS_NO_MEMORY;
2887
2888 if (user->unix_pw) {
2889 primary_gid = user->unix_pw->pw_gid;
2890 } else {
2891 /* retrieve the users primary gid */
2892 filter = talloc_asprintf(mem_ctx,
2893 "(&(objectClass=%s)(uid=%s))",
2894 LDAP_OBJ_SAMBASAMACCOUNT,
2895 escape_name);
2896 if (filter == NULL) {
2897 ret = NT_STATUS_NO_MEMORY;
2898 goto done;
2899 }
2900
2901 rc = smbldap_search(conn, lp_ldap_suffix(),
2902 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2903
2904 if (rc != LDAP_SUCCESS)
2905 goto done;
2906
2907 talloc_autofree_ldapmsg(mem_ctx, result);
2908
2909 count = ldap_count_entries(priv2ld(ldap_state), result);
2910
2911 switch (count) {
2912 case 0:
2913 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2914 ret = NT_STATUS_NO_SUCH_USER;
2915 goto done;
2916 case 1:
2917 entry = ldap_first_entry(priv2ld(ldap_state), result);
2918
2919 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2920 if (!gidstr) {
2921 DEBUG (1, ("Unable to find the member's gid!\n"));
2922 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2923 goto done;
2924 }
2925 primary_gid = strtoul(gidstr, NULL, 10);
2926 break;
2927 default:
2928 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2929 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2930 goto done;
2931 }
2932 }
2933
2934 filter = talloc_asprintf(mem_ctx,
2935 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2936 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2937 if (filter == NULL) {
2938 ret = NT_STATUS_NO_MEMORY;
2939 goto done;
2940 }
2941
2942 rc = smbldap_search(conn, lp_ldap_suffix(),
2943 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2944
2945 if (rc != LDAP_SUCCESS)
2946 goto done;
2947
2948 talloc_autofree_ldapmsg(mem_ctx, result);
2949
2950 num_gids = 0;
2951 *pp_gids = NULL;
2952
2953 num_sids = 0;
2954 *pp_sids = NULL;
2955
2956 /* We need to add the primary group as the first gid/sid */
2957
2958 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2959 ret = NT_STATUS_NO_MEMORY;
2960 goto done;
2961 }
2962
2963 /* This sid will be replaced later */
2964
2965 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2966 &num_sids);
2967 if (!NT_STATUS_IS_OK(ret)) {
2968 goto done;
2969 }
2970
2971 for (entry = ldap_first_entry(conn->ldap_struct, result);
2972 entry != NULL;
2973 entry = ldap_next_entry(conn->ldap_struct, entry))
2974 {
2975 fstring str;
2976 struct dom_sid sid;
2977 gid_t gid;
2978 char *end;
2979
2980 if (!smbldap_get_single_attribute(conn->ldap_struct,
2981 entry, "sambaSID",
2982 str, sizeof(str)-1))
2983 continue;
2984
2985 if (!string_to_sid(&sid, str))
2986 goto done;
2987
2988 if (!smbldap_get_single_attribute(conn->ldap_struct,
2989 entry, "gidNumber",
2990 str, sizeof(str)-1))
2991 continue;
2992
2993 gid = strtoul(str, &end, 10);
2994
2995 if (PTR_DIFF(end, str) != strlen(str))
2996 goto done;
2997
2998 if (gid == primary_gid) {
2999 sid_copy(&(*pp_sids)[0], &sid);
3000 } else {
3001 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3002 &num_gids)) {
3003 ret = NT_STATUS_NO_MEMORY;
3004 goto done;
3005 }
3006 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3007 &num_sids);
3008 if (!NT_STATUS_IS_OK(ret)) {
3009 goto done;
3010 }
3011 }
3012 }
3013
3014 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3015 DEBUG(3, ("primary group of [%s] not found\n",
3016 pdb_get_username(user)));
3017 goto done;
3018 }
3019
3020 *p_num_groups = num_sids;
3021
3022 ret = NT_STATUS_OK;
3023
3024 done:
3025
3026 TALLOC_FREE(escape_name);
3027 return ret;
3028 }
3029
3030 /**********************************************************************
3031 * Augment a posixGroup object with a sambaGroupMapping domgroup
3032 *********************************************************************/
3033
3034 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3035 struct ldapsam_privates *ldap_state,
3036 GROUP_MAP *map)
3037 {
3038 const char *filter, *dn;
3039 LDAPMessage *msg, *entry;
3040 LDAPMod **mods;
3041 int rc;
3042
3043 filter = talloc_asprintf(mem_ctx,
3044 "(&(objectClass=%s)(gidNumber=%u))",
3045 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3046 if (filter == NULL) {
3047 return NT_STATUS_NO_MEMORY;
3048 }
3049
3050 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3051 get_attr_list(mem_ctx, groupmap_attr_list),
3052 &msg);
3053 talloc_autofree_ldapmsg(mem_ctx, msg);
3054
3055 if ((rc != LDAP_SUCCESS) ||
3056 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3057 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3058 return NT_STATUS_NO_SUCH_GROUP;
3059 }
3060
3061 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3062 if (dn == NULL) {
3063 return NT_STATUS_NO_MEMORY;
3064 }
3065
3066 mods = NULL;
3067 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3068 LDAP_OBJ_GROUPMAP);
3069 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3070 sid_string_talloc(mem_ctx, &map->sid));
3071 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3072 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3073 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3074 map->nt_name);
3075 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3076 map->comment);
3077 talloc_autofree_ldapmod(mem_ctx, mods);
3078
3079 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3080 if (rc != LDAP_SUCCESS) {
3081 return NT_STATUS_ACCESS_DENIED;
3082 }
3083
3084 return NT_STATUS_OK;
3085 }
3086
3087 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3088 GROUP_MAP *map)
3089 {
3090 struct ldapsam_privates *ldap_state =
3091 (struct ldapsam_privates *)methods->private_data;
3092 LDAPMessage *msg = NULL;
3093 LDAPMod **mods = NULL;
3094 const char *attrs[] = { NULL };
3095 char *filter;
3096
3097 char *dn;
3098 TALLOC_CTX *mem_ctx;
3099 NTSTATUS result;
3100
3101 struct dom_sid sid;
3102
3103 int rc;
3104
3105 mem_ctx = talloc_new(NULL);
3106 if (mem_ctx == NULL) {
3107 DEBUG(0, ("talloc_new failed\n"));
3108 return NT_STATUS_NO_MEMORY;
3109 }
3110
3111 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3112 sid_string_talloc(mem_ctx, &map->sid));
3113 if (filter == NULL) {
3114 result = NT_STATUS_NO_MEMORY;
3115 goto done;
3116 }
3117
3118 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3119 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3120 talloc_autofree_ldapmsg(mem_ctx, msg);
3121
3122 if ((rc == LDAP_SUCCESS) &&
3123 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3124
3125 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3126 "group mapping entry\n", sid_string_dbg(&map->sid)));
3127 result = NT_STATUS_GROUP_EXISTS;
3128 goto done;
3129 }
3130
3131 switch (map->sid_name_use) {
3132
3133 case SID_NAME_DOM_GRP:
3134 /* To map a domain group we need to have a posix group
3135 to attach to. */
3136 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3137 goto done;
3138 break;
3139
3140 case SID_NAME_ALIAS:
3141 if (!sid_check_is_in_our_domain(&map->sid)
3142 && !sid_check_is_in_builtin(&map->sid) )
3143 {
3144 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3145 sid_string_dbg(&map->sid)));
3146 result = NT_STATUS_INVALID_PARAMETER;
3147 goto done;
3148 }
3149 break;
3150
3151 default:
3152 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3153 sid_type_lookup(map->sid_name_use)));
3154 result = NT_STATUS_INVALID_PARAMETER;
3155 goto done;
3156 }
3157
3158 /* Domain groups have been mapped in a separate routine, we have to
3159 * create an alias now */
3160
3161 if (map->gid == -1) {
3162 DEBUG(10, ("Refusing to map gid==-1\n"));
3163 result = NT_STATUS_INVALID_PARAMETER;
3164 goto done;
3165 }
3166
3167 if (pdb_gid_to_sid(map->gid, &sid)) {
3168 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3169 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3170 result = NT_STATUS_GROUP_EXISTS;
3171 goto done;
3172 }
3173
3174 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3175 * the best we can get out of LDAP. */
3176
3177 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3178 sid_string_talloc(mem_ctx, &map->sid),
3179 lp_ldap_group_suffix());
3180 if (dn == NULL) {
3181 result = NT_STATUS_NO_MEMORY;
3182 goto done;
3183 }
3184
3185 mods = NULL;
3186
3187 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3188 LDAP_OBJ_SID_ENTRY);
3189 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3190 LDAP_OBJ_GROUPMAP);
3191 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3192 sid_string_talloc(mem_ctx, &map->sid));
3193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3194 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3195 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3196 map->nt_name);
3197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3198 map->comment);
3199 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3200 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3201 talloc_autofree_ldapmod(mem_ctx, mods);
3202
3203 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3204
3205 result = (rc == LDAP_SUCCESS) ?
3206 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3207
3208 done:
3209 TALLOC_FREE(mem_ctx);
3210 return result;
3211 }
3212
3213 /**********************************************************************
3214 * Update a group mapping entry. We're quite strict about what can be changed:
3215 * Only the description and displayname may be changed. It simply does not
3216 * make any sense to change the SID, gid or the type in a mapping.
3217 *********************************************************************/
3218
3219 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3220 GROUP_MAP *map)
3221 {
3222 struct ldapsam_privates *ldap_state =
3223 (struct ldapsam_privates *)methods->private_data;
3224 int rc;
3225 const char *filter, *dn;
3226 LDAPMessage *msg = NULL;
3227 LDAPMessage *entry = NULL;
3228 LDAPMod **mods = NULL;
3229 TALLOC_CTX *mem_ctx;
3230 NTSTATUS result;
3231
3232 mem_ctx = talloc_new(NULL);
3233 if (mem_ctx == NULL) {
3234 DEBUG(0, ("talloc_new failed\n"));
3235 return NT_STATUS_NO_MEMORY;
3236 }
3237
3238 /* Make 100% sure that sid, gid and type are not changed by looking up
3239 * exactly the values we're given in LDAP. */
3240
3241 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3242 "(sambaSid=%s)(gidNumber=%u)"
3243 "(sambaGroupType=%d))",
3244 LDAP_OBJ_GROUPMAP,
3245 sid_string_talloc(mem_ctx, &map->sid),
3246 (unsigned int)map->gid, map->sid_name_use);
3247 if (filter == NULL) {
3248 result = NT_STATUS_NO_MEMORY;
3249 goto done;
3250 }
3251
3252 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3253 get_attr_list(mem_ctx, groupmap_attr_list),
3254 &msg);
3255 talloc_autofree_ldapmsg(mem_ctx, msg);
3256
3257 if ((rc != LDAP_SUCCESS) ||
3258 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3259 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3260 result = NT_STATUS_NO_SUCH_GROUP;
3261 goto done;
3262 }
3263
3264 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3265
3266 if (dn == NULL) {
3267 result = NT_STATUS_NO_MEMORY;
3268 goto done;
3269 }
3270
3271 mods = NULL;
3272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3273 map->nt_name);
3274 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3275 map->comment);
3276 talloc_autofree_ldapmod(mem_ctx, mods);
3277
3278 if (mods == NULL) {
3279 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3280 "nothing to do\n"));
3281 result = NT_STATUS_OK;
3282 goto done;
3283 }
3284
3285 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3286
3287 if (rc != LDAP_SUCCESS) {
3288 result = NT_STATUS_ACCESS_DENIED;
3289 goto done;
3290 }
3291
3292 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3293 "group %lu in LDAP\n", (unsigned long)map->gid));
3294
3295 result = NT_STATUS_OK;
3296
3297 done:
3298 TALLOC_FREE(mem_ctx);
3299 return result;
3300 }
3301
3302 /**********************************************************************
3303 *********************************************************************/
3304
3305 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3306 struct dom_sid sid)
3307 {
3308 struct ldapsam_privates *priv =
3309 (struct ldapsam_privates *)methods->private_data;
3310 LDAPMessage *msg, *entry;
3311 int rc;
3312 NTSTATUS result;
3313 TALLOC_CTX *mem_ctx;
3314 char *filter;
3315
3316 mem_ctx = talloc_new(NULL);
3317 if (mem_ctx == NULL) {
3318 DEBUG(0, ("talloc_new failed\n"));
3319 return NT_STATUS_NO_MEMORY;
3320 }
3321
3322 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3323 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3324 sid_string_talloc(mem_ctx, &sid));
3325 if (filter == NULL) {
3326 result = NT_STATUS_NO_MEMORY;
3327 goto done;
3328 }
3329 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3330 get_attr_list(mem_ctx, groupmap_attr_list),
3331 &msg);
3332 talloc_autofree_ldapmsg(mem_ctx, msg);
3333
3334 if ((rc != LDAP_SUCCESS) ||
3335 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3336 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3337 result = NT_STATUS_NO_SUCH_GROUP;
3338 goto done;
3339 }
3340
3341 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3342 get_attr_list(mem_ctx,
3343 groupmap_attr_list_to_delete));
3344
3345 if ((rc == LDAP_NAMING_VIOLATION) ||
3346 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3347 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3348 const char *attrs[] = { "sambaGroupType", "description",
3349 "displayName", "sambaSIDList",
3350 NULL };
3351
3352 /* Second try. Don't delete the sambaSID attribute, this is
3353 for "old" entries that are tacked on a winbind
3354 sambaIdmapEntry. */
3355
3356 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3357 LDAP_OBJ_GROUPMAP, attrs);
3358 }
3359
3360 if ((rc == LDAP_NAMING_VIOLATION) ||
3361 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3362 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3363 const char *attrs[] = { "sambaGroupType", "description",
3364 "displayName", "sambaSIDList",
3365 "gidNumber", NULL };
3366
3367 /* Third try. This is a post-3.0.21 alias (containing only
3368 * sambaSidEntry and sambaGroupMapping classes), we also have
3369 * to delete the gidNumber attribute, only the sambaSidEntry
3370 * remains */
3371
3372 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3373 LDAP_OBJ_GROUPMAP, attrs);
3374 }
3375
3376 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3377
3378 done:
3379 TALLOC_FREE(mem_ctx);
3380 return result;
3381 }
3382
3383 /**********************************************************************
3384 *********************************************************************/
3385
3386 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3387 bool update)
3388 {
3389 struct ldapsam_privates *ldap_state =
3390 (struct ldapsam_privates *)my_methods->private_data;
3391 char *filter = NULL;
3392 int rc;
3393 const char **attr_list;
3394
3395 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3396 if (!filter) {
3397 return NT_STATUS_NO_MEMORY;
3398 }
3399 attr_list = get_attr_list( NULL, groupmap_attr_list );
3400 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3401 LDAP_SCOPE_SUBTREE, filter,
3402 attr_list, 0, &ldap_state->result);
3403 TALLOC_FREE(attr_list);
3404
3405 if (rc != LDAP_SUCCESS) {
3406 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3407 ldap_err2string(rc)));
3408 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3409 lp_ldap_suffix(), filter));
3410 ldap_msgfree(ldap_state->result);
3411 ldap_state->result = NULL;
3412 TALLOC_FREE(filter);
3413 return NT_STATUS_UNSUCCESSFUL;
3414 }
3415
3416 TALLOC_FREE(filter);
3417
3418 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3419 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3420 ldap_state->result)));
3421
3422 ldap_state->entry =
3423 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3424 ldap_state->result);
3425 ldap_state->index = 0;
3426
3427 return NT_STATUS_OK;
3428 }
3429
3430 /**********************************************************************
3431 *********************************************************************/
3432
3433 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3434 {
3435 ldapsam_endsampwent(my_methods);
3436 }
3437
3438 /**********************************************************************
3439 *********************************************************************/
3440
3441 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3442 GROUP_MAP *map)
3443 {
3444 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3445 struct ldapsam_privates *ldap_state =
3446 (struct ldapsam_privates *)my_methods->private_data;
3447 bool bret = False;
3448
3449 while (!bret) {
3450 if (!ldap_state->entry)
3451 return ret;
3452
3453 ldap_state->index++;
3454 bret = init_group_from_ldap(ldap_state, map,
3455 ldap_state->entry);
3456
3457 ldap_state->entry =
3458 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3459 ldap_state->entry);
3460 }
3461
3462 return NT_STATUS_OK;
3463 }
3464
3465 /**********************************************************************
3466 *********************************************************************/
3467
3468 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3469 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3470 GROUP_MAP **pp_rmap,
3471 size_t *p_num_entries,
3472 bool unix_only)
3473 {
3474 GROUP_MAP map = { 0, };
3475 size_t entries = 0;
3476
3477 *p_num_entries = 0;
3478 *pp_rmap = NULL;
3479
3480 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3481 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3482 "passdb\n"));
3483 return NT_STATUS_ACCESS_DENIED;
3484 }
3485
3486 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3487 if (sid_name_use != SID_NAME_UNKNOWN &&
3488 sid_name_use != map.sid_name_use) {
3489 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3490 "not of the requested type\n", map.nt_name));
3491 continue;
3492 }
3493 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3494 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3495 "non mapped\n", map.nt_name));
3496 continue;
3497 }
3498
3499 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3500 if (!(*pp_rmap)) {
3501 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3502 "enlarge group map!\n"));
3503 return NT_STATUS_UNSUCCESSFUL;
3504 }
3505
3506 (*pp_rmap)[entries] = map;
3507
3508 entries += 1;
3509
3510 }
3511 ldapsam_endsamgrent(methods);
3512
3513 *p_num_entries = entries;
3514
3515 return NT_STATUS_OK;
3516 }
3517
3518 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3519 const struct dom_sid *alias,
3520 const struct dom_sid *member,
3521 int modop)
3522 {
3523 struct ldapsam_privates *ldap_state =
3524 (struct ldapsam_privates *)methods->private_data;
3525 char *dn = NULL;
3526 LDAPMessage *result = NULL;
3527 LDAPMessage *entry = NULL;
3528 int count;
3529 LDAPMod **mods = NULL;
3530 int rc;
3531 enum lsa_SidType type = SID_NAME_USE_NONE;
3532 fstring tmp;
3533
3534 char *filter = NULL;
3535
3536 if (sid_check_is_in_builtin(alias)) {
3537 type = SID_NAME_ALIAS;
3538 }
3539
3540 if (sid_check_is_in_our_domain(alias)) {
3541 type = SID_NAME_ALIAS;
3542 }
3543
3544 if (type == SID_NAME_USE_NONE) {
3545 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3546 sid_string_dbg(alias)));
3547 return NT_STATUS_NO_SUCH_ALIAS;
3548 }
3549
3550 if (asprintf(&filter,
3551 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3552 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3553 type) < 0) {
3554 return NT_STATUS_NO_MEMORY;
3555 }
3556
3557 if (ldapsam_search_one_group(ldap_state, filter,
3558 &result) != LDAP_SUCCESS) {
3559 SAFE_FREE(filter);
3560 return NT_STATUS_NO_SUCH_ALIAS;
3561 }
3562
3563 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3564 result);
3565
3566 if (count < 1) {
3567 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3568 ldap_msgfree(result);
3569 SAFE_FREE(filter);
3570 return NT_STATUS_NO_SUCH_ALIAS;
3571 }
3572
3573 if (count > 1) {
3574 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3575 "filter %s: count=%d\n", filter, count));
3576 ldap_msgfree(result);
3577 SAFE_FREE(filter);
3578 return NT_STATUS_NO_SUCH_ALIAS;
3579 }
3580
3581 SAFE_FREE(filter);
3582
3583 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3584 result);
3585
3586 if (!entry) {
3587 ldap_msgfree(result);
3588 return NT_STATUS_UNSUCCESSFUL;
3589 }
3590
3591 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3592 if (!dn) {
3593 ldap_msgfree(result);
3594 return NT_STATUS_UNSUCCESSFUL;
3595 }
3596
3597 smbldap_set_mod(&mods, modop,
3598 get_attr_key2string(groupmap_attr_list,
3599 LDAP_ATTR_SID_LIST),
3600 sid_to_fstring(tmp, member));
3601
3602 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3603
3604 ldap_mods_free(mods, True);
3605 ldap_msgfree(result);
3606 TALLOC_FREE(dn);
3607
3608 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3609 return NT_STATUS_MEMBER_IN_ALIAS;
3610 }
3611
3612 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3613 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3614 }
3615
3616 if (rc != LDAP_SUCCESS) {
3617 return NT_STATUS_UNSUCCESSFUL;
3618 }
3619
3620 return NT_STATUS_OK;
3621 }
3622
3623 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3624 const struct dom_sid *alias,
3625 const struct dom_sid *member)
3626 {
3627 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3628 }
3629
3630 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3631 const struct dom_sid *alias,
3632 const struct dom_sid *member)
3633 {
3634 return ldapsam_modify_aliasmem(methods, alias, member,
3635 LDAP_MOD_DELETE);
3636 }
3637
3638 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3639 const struct dom_sid *alias,
3640 TALLOC_CTX *mem_ctx,
3641 struct dom_sid **pp_members,
3642 size_t *p_num_members)
3643 {
3644 struct ldapsam_privates *ldap_state =
3645 (struct ldapsam_privates *)methods->private_data;
3646 LDAPMessage *result = NULL;
3647 LDAPMessage *entry = NULL;
3648 int count;
3649 char **values = NULL;
3650 int i;
3651 char *filter = NULL;
3652 uint32_t num_members = 0;
3653 enum lsa_SidType type = SID_NAME_USE_NONE;
3654 fstring tmp;
3655
3656 *pp_members = NULL;
3657 *p_num_members = 0;
3658
3659 if (sid_check_is_in_builtin(alias)) {
3660 type = SID_NAME_ALIAS;
3661 }
3662
3663 if (sid_check_is_in_our_domain(alias)) {
3664 type = SID_NAME_ALIAS;
3665 }
3666
3667 if (type == SID_NAME_USE_NONE) {
3668 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3669 sid_string_dbg(alias)));
3670 return NT_STATUS_NO_SUCH_ALIAS;
3671 }
3672
3673 if (asprintf(&filter,
3674 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3675 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3676 type) < 0) {
3677 return NT_STATUS_NO_MEMORY;
3678 }
3679
3680 if (ldapsam_search_one_group(ldap_state, filter,
3681 &result) != LDAP_SUCCESS) {
3682 SAFE_FREE(filter);
3683 return NT_STATUS_NO_SUCH_ALIAS;
3684 }
3685
3686 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3687 result);
3688
3689 if (count < 1) {
3690 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3691 ldap_msgfree(result);
3692 SAFE_FREE(filter);
3693 return NT_STATUS_NO_SUCH_ALIAS;
3694 }
3695
3696 if (count > 1) {
3697 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3698 "filter %s: count=%d\n", filter, count));
3699 ldap_msgfree(result);
3700 SAFE_FREE(filter);
3701 return NT_STATUS_NO_SUCH_ALIAS;
3702 }
3703
3704 SAFE_FREE(filter);
3705
3706 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3707 result);
3708
3709 if (!entry) {
3710 ldap_msgfree(result);
3711 return NT_STATUS_UNSUCCESSFUL;
3712 }
3713
3714 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3715 entry,
3716 get_attr_key2string(groupmap_attr_list,
3717 LDAP_ATTR_SID_LIST));
3718
3719 if (values == NULL) {
3720 ldap_msgfree(result);
3721 return NT_STATUS_OK;
3722 }
3723
3724 count = ldap_count_values(values);
3725
3726 for (i=0; i<count; i++) {
3727 struct dom_sid member;
3728 NTSTATUS status;
3729
3730 if (!string_to_sid(&member, values[i]))
3731 continue;
3732
3733 status = add_sid_to_array(mem_ctx, &member, pp_members,
3734 &num_members);
3735 if (!NT_STATUS_IS_OK(status)) {
3736 ldap_value_free(values);
3737 ldap_msgfree(result);
3738 return status;
3739 }
3740 }
3741
3742 *p_num_members = num_members;
3743 ldap_value_free(values);
3744 ldap_msgfree(result);
3745
3746 return NT_STATUS_OK;
3747 }
3748
3749 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3750 TALLOC_CTX *mem_ctx,
3751 const struct dom_sid *domain_sid,
3752 const struct dom_sid *members,
3753 size_t num_members,
3754 uint32_t **pp_alias_rids,
3755 size_t *p_num_alias_rids)
3756 {
3757 struct ldapsam_privates *ldap_state =
3758 (struct ldapsam_privates *)methods->private_data;
3759 LDAP *ldap_struct;
3760
3761 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3762
3763 LDAPMessage *result = NULL;
3764 LDAPMessage *entry = NULL;
3765 int i;
3766 int rc;
3767 char *filter;
3768 enum lsa_SidType type = SID_NAME_USE_NONE;
3769 bool is_builtin = false;
3770 bool sid_added = false;
3771
3772 *pp_alias_rids = NULL;
3773 *p_num_alias_rids = 0;
3774
3775 if (sid_check_is_builtin(domain_sid)) {
3776 is_builtin = true;
3777 type = SID_NAME_ALIAS;
3778 }
3779
3780 if (sid_check_is_domain(domain_sid)) {
3781 type = SID_NAME_ALIAS;
3782 }
3783
3784 if (type == SID_NAME_USE_NONE) {
3785 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3786 sid_string_dbg(domain_sid)));
3787 return NT_STATUS_UNSUCCESSFUL;
3788 }
3789
3790 if (num_members == 0) {
3791 return NT_STATUS_OK;
3792 }
3793
3794 filter = talloc_asprintf(mem_ctx,
3795 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3796 LDAP_OBJ_GROUPMAP, type);
3797
3798 for (i=0; i<num_members; i++)
3799 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3800 filter,
3801 sid_string_talloc(mem_ctx,
3802 &members[i]));
3803
3804 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3805
3806 if (filter == NULL) {
3807 return NT_STATUS_NO_MEMORY;
3808 }
3809
3810 if (is_builtin &&
3811 ldap_state->search_cache.filter &&
3812 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3813 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3814 result = ldap_state->search_cache.result;
3815 ldap_state->search_cache.result = NULL;
3816 } else {
3817 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3818 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3819 if (rc != LDAP_SUCCESS) {
3820 return NT_STATUS_UNSUCCESSFUL;
3821 }
3822 talloc_autofree_ldapmsg(filter, result);
3823 }
3824
3825 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3826
3827 for (entry = ldap_first_entry(ldap_struct, result);
3828 entry != NULL;
3829 entry = ldap_next_entry(ldap_struct, entry))
3830 {
3831 fstring sid_str;
3832 struct dom_sid sid;
3833 uint32_t rid;
3834
3835 if (!smbldap_get_single_attribute(ldap_struct, entry,
3836 LDAP_ATTRIBUTE_SID,
3837 sid_str,
3838 sizeof(sid_str)-1))
3839 continue;
3840
3841 if (!string_to_sid(&sid, sid_str))
3842 continue;
3843
3844 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3845 continue;
3846
3847 sid_added = true;
3848
3849 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3850 p_num_alias_rids)) {
3851 return NT_STATUS_NO_MEMORY;
3852 }
3853 }
3854
3855 if (!is_builtin && !sid_added) {
3856 TALLOC_FREE(ldap_state->search_cache.filter);
3857 /*
3858 * Note: result is a talloc child of filter because of the
3859 * talloc_autofree_ldapmsg() usage
3860 */
3861 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3862 ldap_state->search_cache.result = result;
3863 }
3864
3865 return NT_STATUS_OK;
3866 }
3867
3868 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3869 enum pdb_policy_type type,
3870 uint32_t value)
3871 {
3872 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3873 int rc;
3874 LDAPMod **mods = NULL;
3875 fstring value_string;
3876 const char *policy_attr = NULL;
3877
3878 struct ldapsam_privates *ldap_state =
3879 (struct ldapsam_privates *)methods->private_data;
3880
3881 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3882
3883 if (!ldap_state->domain_dn) {
3884 return NT_STATUS_INVALID_PARAMETER;
3885 }
3886
3887 policy_attr = get_account_policy_attr(type);
3888 if (policy_attr == NULL) {
3889 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3890 "policy\n"));
3891 return ntstatus;
3892 }
3893
3894 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3895
3896 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3897
3898 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3899 mods);
3900
3901 ldap_mods_free(mods, True);
3902
3903 if (rc != LDAP_SUCCESS) {
3904 return ntstatus;
3905 }
3906
3907 if (!cache_account_policy_set(type, value)) {
3908 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3909 "update local tdb cache\n"));
3910 return ntstatus;
3911 }
3912
3913 return NT_STATUS_OK;
3914 }
3915
3916 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3917 enum pdb_policy_type type,
3918 uint32_t value)
3919 {
3920 return ldapsam_set_account_policy_in_ldap(methods, type,
3921 value);
3922 }
3923
3924 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3925 enum pdb_policy_type type,
3926 uint32_t *value)
3927 {
3928 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3929 LDAPMessage *result = NULL;
3930 LDAPMessage *entry = NULL;
3931 int count;
3932 int rc;
3933 char **vals = NULL;
3934 char *filter;
3935 const char *policy_attr = NULL;
3936
3937 struct ldapsam_privates *ldap_state =
3938 (struct ldapsam_privates *)methods->private_data;
3939
3940 const char *attrs[2];
3941
3942 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3943
3944 if (!ldap_state->domain_dn) {
3945 return NT_STATUS_INVALID_PARAMETER;
3946 }
3947
3948 policy_attr = get_account_policy_attr(type);
3949 if (!policy_attr) {
3950 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3951 "policy index: %d\n", type));
3952 return ntstatus;
3953 }
3954
3955 attrs[0] = policy_attr;
3956 attrs[1] = NULL;
3957
3958 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3959 if (filter == NULL) {
3960 return NT_STATUS_NO_MEMORY;
3961 }
3962 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3963 LDAP_SCOPE_BASE, filter, attrs, 0,
3964 &result);
3965 TALLOC_FREE(filter);
3966 if (rc != LDAP_SUCCESS) {
3967 return ntstatus;
3968 }
3969
3970 count = ldap_count_entries(priv2ld(ldap_state), result);
3971 if (count < 1) {
3972 goto out;
3973 }
3974
3975 entry = ldap_first_entry(priv2ld(ldap_state), result);
3976 if (entry == NULL) {
3977 goto out;
3978 }
3979
3980 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3981 if (vals == NULL) {
3982 goto out;
3983 }
3984
3985 *value = (uint32_t)atol(vals[0]);
3986
3987 ntstatus = NT_STATUS_OK;
3988
3989 out:
3990 if (vals)
3991 ldap_value_free(vals);
3992 ldap_msgfree(result);
3993
3994 return ntstatus;
3995 }
3996
3997 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3998
3999 - if user hasn't decided to use account policies inside LDAP just reuse the
4000 old tdb values
4001
4002 - if there is a valid cache entry, return that
4003 - if there is an LDAP entry, update cache and return
4004 - otherwise set to default, update cache and return
4005
4006 Guenther
4007 */
4008 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4009 enum pdb_policy_type type,
4010 uint32_t *value)
4011 {
4012 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4013
4014 if (cache_account_policy_get(type, value)) {
4015 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4016 "cache\n"));
4017 return NT_STATUS_OK;
4018 }
4019
4020 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4021 value);
4022 if (NT_STATUS_IS_OK(ntstatus)) {
4023 goto update_cache;
4024 }
4025
4026 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4027 "ldap\n"));
4028
4029 #if 0
4030 /* should we automagically migrate old tdb value here ? */
4031 if (account_policy_get(type, value))
4032 goto update_ldap;
4033
4034 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4035 "default\n", type));
4036 #endif
4037
4038 if (!account_policy_get_default(type, value)) {
4039 return ntstatus;
4040 }
4041
4042 /* update_ldap: */
4043
4044 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4045 if (!NT_STATUS_IS_OK(ntstatus)) {
4046 return ntstatus;
4047 }
4048
4049 update_cache:
4050
4051 if (!cache_account_policy_set(type, *value)) {
4052 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4053 "tdb as a cache\n"));
4054 return NT_STATUS_UNSUCCESSFUL;
4055 }
4056
4057 return NT_STATUS_OK;
4058 }
4059
4060 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4061 const struct dom_sid *domain_sid,
4062 int num_rids,
4063 uint32_t *rids,
4064 const char **names,
4065 enum lsa_SidType *attrs)
4066 {
4067 struct ldapsam_privates *ldap_state =
4068 (struct ldapsam_privates *)methods->private_data;
4069 LDAPMessage *msg = NULL;
4070 LDAPMessage *entry;
4071 char *allsids = NULL;
4072 int i, rc, num_mapped;
4073 NTSTATUS result = NT_STATUS_NO_MEMORY;
4074 TALLOC_CTX *mem_ctx;
4075 LDAP *ld;
4076 bool is_builtin;
4077
4078 mem_ctx = talloc_new(NULL);
4079 if (mem_ctx == NULL) {
4080 DEBUG(0, ("talloc_new failed\n"));
4081 goto done;
4082 }
4083
4084 if (!sid_check_is_builtin(domain_sid) &&
4085 !sid_check_is_domain(domain_sid)) {
4086 result = NT_STATUS_INVALID_PARAMETER;
4087 goto done;
4088 }
4089
4090 if (num_rids == 0) {
4091 result = NT_STATUS_NONE_MAPPED;
4092 goto done;
4093 }
4094
4095 for (i=0; i<num_rids; i++)
4096 attrs[i] = SID_NAME_UNKNOWN;
4097
4098 allsids = talloc_strdup(mem_ctx, "");
4099 if (allsids == NULL) {
4100 goto done;
4101 }
4102
4103 for (i=0; i<num_rids; i++) {
4104 struct dom_sid sid;
4105 sid_compose(&sid, domain_sid, rids[i]);
4106 allsids = talloc_asprintf_append_buffer(
4107 allsids, "(sambaSid=%s)",
4108 sid_string_talloc(mem_ctx, &sid));
4109 if (allsids == NULL) {
4110 goto done;
4111 }
4112 }
4113
4114 /* First look for users */
4115
4116 {
4117 char *filter;
4118 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4119
4120 filter = talloc_asprintf(
4121 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4122 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4123
4124 if (filter == NULL) {
4125 goto done;
4126 }
4127
4128 rc = smbldap_search(ldap_state->smbldap_state,
4129 lp_ldap_user_suffix(),
4130 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4131 &msg);
4132 talloc_autofree_ldapmsg(mem_ctx, msg);
4133 }
4134
4135 if (rc != LDAP_SUCCESS)
4136 goto done;
4137
4138 ld = ldap_state->smbldap_state->ldap_struct;
4139 num_mapped = 0;
4140
4141 for (entry = ldap_first_entry(ld, msg);
4142 entry != NULL;
4143 entry = ldap_next_entry(ld, entry)) {
4144 uint32_t rid;
4145 int rid_index;
4146 const char *name;
4147
4148 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4149 &rid)) {
4150 DEBUG(2, ("Could not find sid from ldap entry\n"));
4151 continue;
4152 }
4153
4154 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4155 names);
4156 if (name == NULL) {
4157 DEBUG(2, ("Could not retrieve uid attribute\n"));
4158 continue;
4159 }
4160
4161 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4162 if (rid == rids[rid_index])
4163 break;
4164 }
4165
4166 if (rid_index == num_rids) {
4167 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4168 continue;
4169 }
4170
4171 attrs[rid_index] = SID_NAME_USER;
4172 names[rid_index] = name;
4173 num_mapped += 1;
4174 }
4175
4176 if (num_mapped == num_rids) {
4177 /* No need to look for groups anymore -- we're done */
4178 result = NT_STATUS_OK;
4179 goto done;
4180 }
4181
4182 /* Same game for groups */
4183
4184 {
4185 char *filter;
4186 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4187 "sambaGroupType", NULL };
4188
4189 filter = talloc_asprintf(
4190 mem_ctx, "(&(objectClass=%s)(|%s))",
4191 LDAP_OBJ_GROUPMAP, allsids);
4192 if (filter == NULL) {
4193 goto done;
4194 }
4195
4196 rc = smbldap_search(ldap_state->smbldap_state,
4197 lp_ldap_suffix(),
4198 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4199 &msg);
4200 talloc_autofree_ldapmsg(mem_ctx, msg);
4201 }
4202
4203 if (rc != LDAP_SUCCESS)
4204 goto done;
4205
4206 /* ldap_struct might have changed due to a reconnect */
4207
4208 ld = ldap_state->smbldap_state->ldap_struct;
4209
4210 /* For consistency checks, we already checked we're only domain or builtin */
4211
4212 is_builtin = sid_check_is_builtin(domain_sid);
4213
4214 for (entry = ldap_first_entry(ld, msg);
4215 entry != NULL;
4216 entry = ldap_next_entry(ld, entry))
4217 {
4218 uint32_t rid;
4219 int rid_index;
4220 const char *attr;
4221 enum lsa_SidType type;
4222 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4223
4224 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4225 mem_ctx);
4226 if (attr == NULL) {
4227 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4228 dn));
4229 continue;
4230 }
4231
4232 type = (enum lsa_SidType)atol(attr);
4233
4234 /* Consistency checks */
4235 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4236 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4237 (type != SID_NAME_DOM_GRP)))) {
4238 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4239 }
4240
4241 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4242 &rid)) {
4243 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4244 continue;
4245 }
4246
4247 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4248
4249 if (attr == NULL) {
4250 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4251 dn));
4252 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4253 }
4254
4255 if (attr == NULL) {
4256 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4257 dn));
4258 continue;
4259 }
4260
4261 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4262 if (rid == rids[rid_index])
4263 break;
4264 }
4265
4266 if (rid_index == num_rids) {
4267 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4268 continue;
4269 }
4270
4271 attrs[rid_index] = type;
4272 names[rid_index] = attr;
4273 num_mapped += 1;
4274 }
4275
4276 result = NT_STATUS_NONE_MAPPED;
4277
4278 if (num_mapped > 0)
4279 result = (num_mapped == num_rids) ?
4280 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4281 done:
4282 TALLOC_FREE(mem_ctx);
4283 return result;
4284 }
4285
4286 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4287 {
4288 char *filter = NULL;
4289 char *escaped = NULL;
4290 char *result = NULL;
4291
4292 if (asprintf(&filter, "(&%s(objectclass=%s))",
4293 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4294 goto done;
4295 }
4296
4297 escaped = escape_ldap_string(talloc_tos(), username);
4298 if (escaped == NULL) goto done;
4299
4300 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4301
4302 done:
4303 SAFE_FREE(filter);
4304 TALLOC_FREE(escaped);
4305
4306 return result;
4307 }
4308
4309 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4310 {
4311 int i, num = 0;
4312 va_list ap;
4313 const char **result;
4314
4315 va_start(ap, mem_ctx);
4316 while (va_arg(ap, const char *) != NULL)
4317 num += 1;
4318 va_end(ap);
4319
4320 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4321 return NULL;
4322 }
4323
4324 va_start(ap, mem_ctx);
4325 for (i=0; i<num; i++) {
4326 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4327 if (result[i] == NULL) {
4328 talloc_free(result);
4329 va_end(ap);
4330 return NULL;
4331 }
4332 }
4333 va_end(ap);
4334
4335 result[num] = NULL;
4336 return result;
4337 }
4338
4339 struct ldap_search_state {
4340 struct smbldap_state *connection;
4341
4342 uint32_t acct_flags;
4343 uint16_t group_type;
4344
4345 const char *base;
4346 int scope;
4347 const char *filter;
4348 const char **attrs;
4349 int attrsonly;
4350 void *pagedresults_cookie;
4351
4352 LDAPMessage *entries, *current_entry;
4353 bool (*ldap2displayentry)(struct ldap_search_state *state,
4354 TALLOC_CTX *mem_ctx,
4355 LDAP *ld, LDAPMessage *entry,
4356 struct samr_displayentry *result);
4357 };
4358
4359 static bool ldapsam_search_firstpage(struct pdb_search *search)
4360 {
4361 struct ldap_search_state *state =
4362 (struct ldap_search_state *)search->private_data;
4363 LDAP *ld;
4364 int rc = LDAP_OPERATIONS_ERROR;
4365
4366 state->entries = NULL;
4367
4368 if (state->connection->paged_results) {
4369 rc = smbldap_search_paged(state->connection, state->base,
4370 state->scope, state->filter,
4371 state->attrs, state->attrsonly,
4372 lp_ldap_page_size(), &state->entries,
4373 &state->pagedresults_cookie);
4374 }
4375
4376 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4377
4378 if (state->entries != NULL) {
4379 /* Left over from unsuccessful paged attempt */
4380 ldap_msgfree(state->entries);
4381 state->entries = NULL;
4382 }
4383
4384 rc = smbldap_search(state->connection, state->base,
4385 state->scope, state->filter, state->attrs,
4386 state->attrsonly, &state->entries);
4387
4388 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4389 return False;
4390
4391 /* Ok, the server was lying. It told us it could do paged
4392 * searches when it could not. */
4393 state->connection->paged_results = False;
4394 }
4395
4396 ld = state->connection->ldap_struct;
4397 if ( ld == NULL) {
4398 DEBUG(5, ("Don't have an LDAP connection right after a "
4399 "search\n"));
4400 return False;
4401 }
4402 state->current_entry = ldap_first_entry(ld, state->entries);
4403
4404 return True;
4405 }
4406
4407 static bool ldapsam_search_nextpage(struct pdb_search *search)
4408 {
4409 struct ldap_search_state *state =
4410 (struct ldap_search_state *)search->private_data;
4411 int rc;
4412
4413 if (!state->connection->paged_results) {
4414 /* There is no next page when there are no paged results */
4415 return False;
4416 }
4417
4418 rc = smbldap_search_paged(state->connection, state->base,
4419 state->scope, state->filter, state->attrs,
4420 state->attrsonly, lp_ldap_page_size(),
4421 &state->entries,
4422 &state->pagedresults_cookie);
4423
4424 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4425 return False;
4426
4427 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4428
4429 if (state->current_entry == NULL) {
4430 ldap_msgfree(state->entries);
4431 state->entries = NULL;
4432 return false;
4433 }
4434
4435 return True;
4436 }
4437
4438 static bool ldapsam_search_next_entry(struct pdb_search *search,
4439 struct samr_displayentry *entry)
4440 {
4441 struct ldap_search_state *state =
4442 (struct ldap_search_state *)search->private_data;
4443 bool result;
4444
4445 retry:
4446 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4447 return False;
4448
4449 if ((state->entries == NULL) &&
4450 !ldapsam_search_nextpage(search))
4451 return False;
4452
4453 if (state->current_entry == NULL) {
4454 return false;
4455 }
4456
4457 result = state->ldap2displayentry(state, search,
4458 state->connection->ldap_struct,
4459 state->current_entry, entry);
4460
4461 if (!result) {
4462 char *dn;
4463 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4464 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4465 if (dn != NULL) ldap_memfree(dn);
4466 }
4467
4468 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4469
4470 if (state->current_entry == NULL) {
4471 ldap_msgfree(state->entries);
4472 state->entries = NULL;
4473 }
4474
4475 if (!result) goto retry;
4476
4477 return True;
4478 }
4479
4480 static void ldapsam_search_end(struct pdb_search *search)
4481 {
4482 struct ldap_search_state *state =
4483 (struct ldap_search_state *)search->private_data;
4484 int rc;
4485
4486 if (state->pagedresults_cookie == NULL)
4487 return;
4488
4489 if (state->entries != NULL)
4490 ldap_msgfree(state->entries);
4491
4492 state->entries = NULL;
4493 state->current_entry = NULL;
4494
4495 if (!state->connection->paged_results)
4496 return;
4497
4498 /* Tell the LDAP server we're not interested in the rest anymore. */
4499
4500 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4501 state->filter, state->attrs,
4502 state->attrsonly, 0, &state->entries,
4503 &state->pagedresults_cookie);
4504
4505 if (rc != LDAP_SUCCESS)
4506 DEBUG(5, ("Could not end search properly\n"));
4507
4508 return;
4509 }
4510
4511 static bool ldapuser2displayentry(struct ldap_search_state *state,
4512 TALLOC_CTX *mem_ctx,
4513 LDAP *ld, LDAPMessage *entry,
4514 struct samr_displayentry *result)
4515 {
4516 char **vals;
4517 size_t converted_size;
4518 struct dom_sid sid;
4519 uint32_t acct_flags;
4520
4521 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4522 if ((vals == NULL) || (vals[0] == NULL)) {
4523 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4524 return False;
4525 }
4526 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4527 ldap_value_free(vals);
4528
4529 if ((state->acct_flags != 0) &&
4530 ((state->acct_flags & acct_flags) == 0))
4531 return False;
4532
4533 result->acct_flags = acct_flags;
4534 result->account_name = "";
4535 result->fullname = "";
4536 result->description = "";
4537
4538 vals = ldap_get_values(ld, entry, "uid");
4539 if ((vals == NULL) || (vals[0] == NULL)) {
4540 DEBUG(5, ("\"uid\" not found\n"));
4541 return False;
4542 }
4543 if (!pull_utf8_talloc(mem_ctx,
4544 discard_const_p(char *, &result->account_name),
4545 vals[0], &converted_size))
4546 {
4547 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4548 strerror(errno)));
4549 }
4550
4551 ldap_value_free(vals);
4552
4553 vals = ldap_get_values(ld, entry, "displayName");
4554 if ((vals == NULL) || (vals[0] == NULL))
4555 DEBUG(8, ("\"displayName\" not found\n"));
4556 else if (!pull_utf8_talloc(mem_ctx,
4557 discard_const_p(char *, &result->fullname),
4558 vals[0], &converted_size))
4559 {
4560 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4561 strerror(errno)));
4562 }
4563
4564 ldap_value_free(vals);
4565
4566 vals = ldap_get_values(ld, entry, "description");
4567 if ((vals == NULL) || (vals[0] == NULL))
4568 DEBUG(8, ("\"description\" not found\n"));
4569 else if (!pull_utf8_talloc(mem_ctx,
4570 discard_const_p(char *, &result->description),
4571 vals[0], &converted_size))
4572 {
4573 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4574 strerror(errno)));
4575 }
4576
4577 ldap_value_free(vals);
4578
4579 if ((result->account_name == NULL) ||
4580 (result->fullname == NULL) ||
4581 (result->description == NULL)) {
4582 DEBUG(0, ("talloc failed\n"));
4583 return False;
4584 }
4585
4586 vals = ldap_get_values(ld, entry, "sambaSid");
4587 if ((vals == NULL) || (vals[0] == NULL)) {
4588 DEBUG(0, ("\"objectSid\" not found\n"));
4589 return False;
4590 }
4591
4592 if (!string_to_sid(&sid, vals[0])) {
4593 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4594 ldap_value_free(vals);
4595 return False;
4596 }
4597 ldap_value_free(vals);
4598
4599 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4600 DEBUG(0, ("sid %s does not belong to our domain\n",
4601 sid_string_dbg(&sid)));
4602 return False;
4603 }
4604
4605 return True;
4606 }
4607
4608
4609 static bool ldapsam_search_users(struct pdb_methods *methods,
4610 struct pdb_search *search,
4611 uint32_t acct_flags)
4612 {
4613 struct ldapsam_privates *ldap_state =
4614 (struct ldapsam_privates *)methods->private_data;
4615 struct ldap_search_state *state;
4616
4617 state = talloc(search, struct ldap_search_state);
4618 if (state == NULL) {
4619 DEBUG(0, ("talloc failed\n"));
4620 return False;
4621 }
4622
4623 state->connection = ldap_state->smbldap_state;
4624
4625 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4626 state->base = lp_ldap_user_suffix();
4627 else if ((acct_flags != 0) &&
4628 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4629 state->base = lp_ldap_machine_suffix();
4630 else
4631 state->base = lp_ldap_suffix();
4632
4633 state->acct_flags = acct_flags;
4634 state->base = talloc_strdup(search, state->base);
4635 state->scope = LDAP_SCOPE_SUBTREE;
4636 state->filter = get_ldap_filter(search, "*");
4637 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4638 "displayName", "description",
4639 "sambaAcctFlags", NULL);
4640 state->attrsonly = 0;
4641 state->pagedresults_cookie = NULL;
4642 state->entries = NULL;
4643 state->ldap2displayentry = ldapuser2displayentry;
4644
4645 if ((state->filter == NULL) || (state->attrs == NULL)) {
4646 DEBUG(0, ("talloc failed\n"));
4647 return False;
4648 }
4649
4650 search->private_data = state;
4651 search->next_entry = ldapsam_search_next_entry;
4652 search->search_end = ldapsam_search_end;
4653
4654 return ldapsam_search_firstpage(search);
4655 }
4656
4657 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4658 TALLOC_CTX *mem_ctx,
4659 LDAP *ld, LDAPMessage *entry,
4660 struct samr_displayentry *result)
4661 {
4662 char **vals;
4663 size_t converted_size;
4664 struct dom_sid sid;
4665 uint16_t group_type;
4666
4667 result->account_name = "";
4668 result->fullname = "";
4669 result->description = "";
4670
4671
4672 vals = ldap_get_values(ld, entry, "sambaGroupType");
4673 if ((vals == NULL) || (vals[0] == NULL)) {
4674 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4675 if (vals != NULL) {
4676 ldap_value_free(vals);
4677 }
4678 return False;
4679 }
4680
4681 group_type = atoi(vals[0]);
4682
4683 if ((state->group_type != 0) &&
4684 ((state->group_type != group_type))) {
4685 ldap_value_free(vals);
4686 return False;
4687 }
4688
4689 ldap_value_free(vals);
4690
4691 /* display name is the NT group name */
4692
4693 vals = ldap_get_values(ld, entry, "displayName");
4694 if ((vals == NULL) || (vals[0] == NULL)) {
4695 DEBUG(8, ("\"displayName\" not found\n"));
4696
4697 /* fallback to the 'cn' attribute */
4698 vals = ldap_get_values(ld, entry, "cn");
4699 if ((vals == NULL) || (vals[0] == NULL)) {
4700 DEBUG(5, ("\"cn\" not found\n"));
4701 return False;
4702 }
4703 if (!pull_utf8_talloc(mem_ctx,
4704 discard_const_p(char *,
4705 &result->account_name),
4706 vals[0], &converted_size))
4707 {
4708 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4709 "failed: %s", strerror(errno)));
4710 }
4711 }
4712 else if (!pull_utf8_talloc(mem_ctx,
4713 discard_const_p(char *,
4714 &result->account_name),
4715 vals[0], &converted_size))
4716 {
4717 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4718 strerror(errno)));
4719 }
4720
4721 ldap_value_free(vals);
4722
4723 vals = ldap_get_values(ld, entry, "description");
4724 if ((vals == NULL) || (vals[0] == NULL))
4725 DEBUG(8, ("\"description\" not found\n"));
4726 else if (!pull_utf8_talloc(mem_ctx,
4727 discard_const_p(char *, &result->description),
4728 vals[0], &converted_size))
4729 {
4730 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4731 strerror(errno)));
4732 }
4733 ldap_value_free(vals);
4734
4735 if ((result->account_name == NULL) ||
4736 (result->fullname == NULL) ||
4737 (result->description == NULL)) {
4738 DEBUG(0, ("talloc failed\n"));
4739 return False;
4740 }
4741
4742 vals = ldap_get_values(ld, entry, "sambaSid");
4743 if ((vals == NULL) || (vals[0] == NULL)) {
4744 DEBUG(0, ("\"objectSid\" not found\n"));
4745 if (vals != NULL) {
4746 ldap_value_free(vals);
4747 }
4748 return False;
4749 }
4750
4751 if (!string_to_sid(&sid, vals[0])) {
4752 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4753 return False;
4754 }
4755
4756 ldap_value_free(vals);
4757
4758 switch (group_type) {
4759 case SID_NAME_DOM_GRP:
4760 case SID_NAME_ALIAS:
4761
4762 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4763 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4764 {
4765 DEBUG(0, ("%s is not in our domain\n",
4766 sid_string_dbg(&sid)));
4767 return False;
4768 }
4769 break;
4770
4771 default:
4772 DEBUG(0,("unknown group type: %d\n", group_type));
4773 return False;
4774 }
4775
4776 result->acct_flags = 0;
4777
4778 return True;
4779 }
4780
4781 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4782 struct pdb_search *search,
4783 const struct dom_sid *sid,
4784 enum lsa_SidType type)
4785 {
4786 struct ldapsam_privates *ldap_state =
4787 (struct ldapsam_privates *)methods->private_data;
4788 struct ldap_search_state *state;
4789 fstring tmp;
4790
4791 state = talloc(search, struct ldap_search_state);
4792 if (state == NULL) {
4793 DEBUG(0, ("talloc failed\n"));
4794 return False;
4795 }
4796
4797 state->connection = ldap_state->smbldap_state;
4798
4799 state->base = talloc_strdup(search, lp_ldap_suffix());
4800 state->connection = ldap_state->smbldap_state;
4801 state->scope = LDAP_SCOPE_SUBTREE;
4802 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4803 "(sambaGroupType=%d)(sambaSID=%s*))",
4804 LDAP_OBJ_GROUPMAP,
4805 type, sid_to_fstring(tmp, sid));
4806 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4807 "displayName", "description",
4808 "sambaGroupType", NULL);
4809 state->attrsonly = 0;
4810 state->pagedresults_cookie = NULL;
4811 state->entries = NULL;
4812 state->group_type = type;
4813 state->ldap2displayentry = ldapgroup2displayentry;
4814
4815 if ((state->filter == NULL) || (state->attrs == NULL)) {
4816 DEBUG(0, ("talloc failed\n"));
4817 return False;
4818 }
4819
4820 search->private_data = state;
4821 search->next_entry = ldapsam_search_next_entry;
4822 search->search_end = ldapsam_search_end;
4823
4824 return ldapsam_search_firstpage(search);
4825 }
4826
4827 static bool ldapsam_search_groups(struct pdb_methods *methods,
4828 struct pdb_search *search)
4829 {
4830 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4831 }
4832
4833 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4834 struct pdb_search *search,
4835 const struct dom_sid *sid)
4836 {
4837 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4838 }
4839
4840 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4841 {
4842 return PDB_CAP_STORE_RIDS;
4843 }
4844
4845 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4846 uint32_t *rid)
4847 {
4848 struct smbldap_state *smbldap_state = priv->smbldap_state;
4849
4850 LDAPMessage *result = NULL;
4851 LDAPMessage *entry = NULL;
4852 LDAPMod **mods = NULL;
4853 NTSTATUS status;
4854 char *value;
4855 int rc;
4856 uint32_t nextRid = 0;
4857 const char *dn;
4858
4859 TALLOC_CTX *mem_ctx;
4860
4861 mem_ctx = talloc_new(NULL);
4862 if (mem_ctx == NULL) {
4863 DEBUG(0, ("talloc_new failed\n"));
4864 return NT_STATUS_NO_MEMORY;
4865 }
4866
4867 status = smbldap_search_domain_info(smbldap_state, &result,
4868 get_global_sam_name(), False);
4869 if (!NT_STATUS_IS_OK(status)) {
4870 DEBUG(3, ("Could not get domain info: %s\n",
4871 nt_errstr(status)));
4872 goto done;
4873 }
4874
4875 talloc_autofree_ldapmsg(mem_ctx, result);
4876
4877 entry = ldap_first_entry(priv2ld(priv), result);
4878 if (entry == NULL) {
4879 DEBUG(0, ("Could not get domain info entry\n"));
4880 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4881 goto done;
4882 }
4883
4884 /* Find the largest of the three attributes "sambaNextRid",
4885 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4886 concept of differentiating between user and group rids, and will
4887 use only "sambaNextRid" in the future. But for compatibility
4888 reasons I look if others have chosen different strategies -- VL */
4889
4890 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4891 "sambaNextRid", mem_ctx);
4892 if (value != NULL) {
4893 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4894 nextRid = MAX(nextRid, tmp);
4895 }
4896
4897 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4898 "sambaNextUserRid", mem_ctx);
4899 if (value != NULL) {
4900 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4901 nextRid = MAX(nextRid, tmp);
4902 }
4903
4904 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4905 "sambaNextGroupRid", mem_ctx);
4906 if (value != NULL) {
4907 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4908 nextRid = MAX(nextRid, tmp);
4909 }
4910
4911 if (nextRid == 0) {
4912 nextRid = BASE_RID-1;
4913 }
4914
4915 nextRid += 1;
4916
4917 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4918 talloc_asprintf(mem_ctx, "%d", nextRid));
4919 talloc_autofree_ldapmod(mem_ctx, mods);
4920
4921 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4922 status = NT_STATUS_NO_MEMORY;
4923 goto done;
4924 }
4925
4926 rc = smbldap_modify(smbldap_state, dn, mods);
4927
4928 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4929 * please retry" */
4930
4931 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4932
4933 done:
4934 if (NT_STATUS_IS_OK(status)) {
4935 *rid = nextRid;
4936 }
4937
4938 TALLOC_FREE(mem_ctx);
4939 return status;
4940 }
4941
4942 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4943 {
4944 int i;
4945
4946 for (i=0; i<10; i++) {
4947 NTSTATUS result = ldapsam_get_new_rid(
4948 (struct ldapsam_privates *)methods->private_data, rid);
4949 if (NT_STATUS_IS_OK(result)) {
4950 return result;
4951 }
4952
4953 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4954 return result;
4955 }
4956
4957 /* The ldap update failed (maybe a race condition), retry */
4958 }
4959
4960 /* Tried 10 times, fail. */
4961 return NT_STATUS_ACCESS_DENIED;
4962 }
4963
4964 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4965 {
4966 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4967 return NT_STATUS_IS_OK(result) ? True : False;
4968 }
4969
4970 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4971 const struct dom_sid *sid,
4972 union unid_t *id, enum lsa_SidType *type)
4973 {
4974 struct ldapsam_privates *priv =
4975 (struct ldapsam_privates *)methods->private_data;
4976 char *filter;
4977 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4978 NULL };
4979 LDAPMessage *result = NULL;
4980 LDAPMessage *entry = NULL;
4981 bool ret = False;
4982 char *value;
4983 int rc;
4984
4985 TALLOC_CTX *mem_ctx;
4986
4987 mem_ctx = talloc_new(NULL);
4988 if (mem_ctx == NULL) {
4989 DEBUG(0, ("talloc_new failed\n"));
4990 return False;
4991 }
4992
4993 filter = talloc_asprintf(mem_ctx,
4994 "(&(sambaSid=%s)"
4995 "(|(objectClass=%s)(objectClass=%s)))",
4996 sid_string_talloc(mem_ctx, sid),
4997 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4998 if (filter == NULL) {
4999 DEBUG(5, ("talloc_asprintf failed\n"));
5000 goto done;
5001 }
5002
5003 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5004 attrs, &result);
5005 if (rc != LDAP_SUCCESS) {
5006 goto done;
5007 }
5008 talloc_autofree_ldapmsg(mem_ctx, result);
5009
5010 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5011 DEBUG(10, ("Got %d entries, expected one\n",
5012 ldap_count_entries(priv2ld(priv), result)));
5013 goto done;
5014 }
5015
5016 entry = ldap_first_entry(priv2ld(priv), result);
5017
5018 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5019 "sambaGroupType", mem_ctx);
5020
5021 if (value != NULL) {
5022 const char *gid_str;
5023 /* It's a group */
5024
5025 gid_str = smbldap_talloc_single_attribute(
5026 priv2ld(priv), entry, "gidNumber", mem_ctx);
5027 if (gid_str == NULL) {
5028 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5029 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5030 entry)));
5031 goto done;
5032 }
5033
5034 id->gid = strtoul(gid_str, NULL, 10);
5035 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5036 store_gid_sid_cache(sid, id->gid);
5037 idmap_cache_set_sid2gid(sid, id->gid);
5038 ret = True;
5039 goto done;
5040 }
5041
5042 /* It must be a user */
5043
5044 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5045 "uidNumber", mem_ctx);
5046 if (value == NULL) {
5047 DEBUG(1, ("Could not find uidNumber in %s\n",
5048 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5049 goto done;
5050 }
5051
5052 id->uid = strtoul(value, NULL, 10);
5053 *type = SID_NAME_USER;
5054 store_uid_sid_cache(sid, id->uid);
5055 idmap_cache_set_sid2uid(sid, id->uid);
5056
5057 ret = True;
5058 done:
5059 TALLOC_FREE(mem_ctx);
5060 return ret;
5061 }
5062
5063 /**
5064 * Find the SID for a uid.
5065 * This is shortcut is only used if ldapsam:trusted is set to true.
5066 */
5067 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5068 struct dom_sid *sid)
5069 {
5070 struct ldapsam_privates *priv =
5071 (struct ldapsam_privates *)methods->private_data;
5072 char *filter;
5073 const char *attrs[] = { "sambaSID", NULL };
5074 LDAPMessage *result = NULL;
5075 LDAPMessage *entry = NULL;
5076 bool ret = false;
5077 char *user_sid_string;
5078 struct dom_sid user_sid;
5079 int rc;
5080 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5081
5082 filter = talloc_asprintf(tmp_ctx,
5083 "(&(uidNumber=%u)"
5084 "(objectClass=%s)"
5085 "(objectClass=%s))",
5086 (unsigned int)uid,
5087 LDAP_OBJ_POSIXACCOUNT,
5088 LDAP_OBJ_SAMBASAMACCOUNT);
5089 if (filter == NULL) {
5090 DEBUG(3, ("talloc_asprintf failed\n"));
5091 goto done;
5092 }
5093
5094 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5095 if (rc != LDAP_SUCCESS) {
5096 goto done;
5097 }
5098 talloc_autofree_ldapmsg(tmp_ctx, result);
5099
5100 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5101 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5102 ldap_count_entries(priv2ld(priv), result),
5103 (unsigned int)uid));
5104 goto done;
5105 }
5106
5107 entry = ldap_first_entry(priv2ld(priv), result);
5108
5109 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5110 "sambaSID", tmp_ctx);
5111 if (user_sid_string == NULL) {
5112 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5113 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5114 goto done;
5115 }
5116
5117 if (!string_to_sid(&user_sid, user_sid_string)) {
5118 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5119 user_sid_string));
5120 goto done;
5121 }
5122
5123 sid_copy(sid, &user_sid);
5124
5125 store_uid_sid_cache(sid, uid);
5126 idmap_cache_set_sid2uid(sid, uid);
5127
5128 ret = true;
5129
5130 done:
5131 TALLOC_FREE(tmp_ctx);
5132 return ret;
5133 }
5134
5135 /**
5136 * Find the SID for a gid.
5137 * This is shortcut is only used if ldapsam:trusted is set to true.
5138 */
5139 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5140 struct dom_sid *sid)
5141 {
5142 struct ldapsam_privates *priv =
5143 (struct ldapsam_privates *)methods->private_data;
5144 char *filter;
5145 const char *attrs[] = { "sambaSID", NULL };
5146 LDAPMessage *result = NULL;
5147 LDAPMessage *entry = NULL;
5148 bool ret = false;
5149 char *group_sid_string;
5150 struct dom_sid group_sid;
5151 int rc;
5152 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5153
5154 filter = talloc_asprintf(tmp_ctx,
5155 "(&(gidNumber=%u)"
5156 "(objectClass=%s))",
5157 (unsigned int)gid,
5158 LDAP_OBJ_GROUPMAP);
5159 if (filter == NULL) {
5160 DEBUG(3, ("talloc_asprintf failed\n"));
5161 goto done;
5162 }
5163
5164 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5165 if (rc != LDAP_SUCCESS) {
5166 goto done;
5167 }
5168 talloc_autofree_ldapmsg(tmp_ctx, result);
5169
5170 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5171 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5172 ldap_count_entries(priv2ld(priv), result),
5173 (unsigned int)gid));
5174 goto done;
5175 }
5176
5177 entry = ldap_first_entry(priv2ld(priv), result);
5178
5179 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5180 "sambaSID", tmp_ctx);
5181 if (group_sid_string == NULL) {
5182 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5183 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5184 goto done;
5185 }
5186
5187 if (!string_to_sid(&group_sid, group_sid_string)) {
5188 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5189 group_sid_string));
5190 goto done;
5191 }
5192
5193 sid_copy(sid, &group_sid);
5194
5195 store_gid_sid_cache(sid, gid);
5196 idmap_cache_set_sid2gid(sid, gid);
5197
5198 ret = true;
5199
5200 done:
5201 TALLOC_FREE(tmp_ctx);
5202 return ret;
5203 }
5204
5205
5206 /*
5207 * The following functions are called only if
5208 * ldapsam:trusted and ldapsam:editposix are
5209 * set to true
5210 */
5211
5212 /*
5213 * ldapsam_create_user creates a new
5214 * posixAccount and sambaSamAccount object
5215 * in the ldap users subtree
5216 *
5217 * The uid is allocated by winbindd.
5218 */
5219
5220 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5221 TALLOC_CTX *tmp_ctx, const char *name,
5222 uint32_t acb_info, uint32_t *rid)
5223 {
5224 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5225 LDAPMessage *entry = NULL;
5226 LDAPMessage *result = NULL;
5227 uint32_t num_result;
5228 bool is_machine = False;
5229 bool add_posix = False;
5230 LDAPMod **mods = NULL;
5231 struct samu *user;
5232 char *filter;
5233 char *username;
5234 char *homedir;
5235 char *gidstr;
5236 char *uidstr;
5237 char *shell;
5238 const char *dn = NULL;
5239 struct dom_sid group_sid;
5240 struct dom_sid user_sid;
5241 gid_t gid = -1;
5242 uid_t uid = -1;
5243 NTSTATUS ret;
5244 int rc;
5245
5246 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5247 acb_info & ACB_WSTRUST ||
5248 acb_info & ACB_SVRTRUST ||
5249 acb_info & ACB_DOMTRUST) {
5250 is_machine = True;
5251 }
5252
5253 username = escape_ldap_string(talloc_tos(), name);
5254 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5255 username, LDAP_OBJ_POSIXACCOUNT);
5256 TALLOC_FREE(username);
5257
5258 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5259 if (rc != LDAP_SUCCESS) {
5260 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5261 return NT_STATUS_ACCESS_DENIED;
5262 }
5263 talloc_autofree_ldapmsg(tmp_ctx, result);
5264
5265 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5266
5267 if (num_result > 1) {
5268 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5269 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5270 }
5271
5272 if (num_result == 1) {
5273 char *tmp;
5274 /* check if it is just a posix account.
5275 * or if there is a sid attached to this entry
5276 */
5277
5278 entry = ldap_first_entry(priv2ld(ldap_state), result);
5279 if (!entry) {
5280 return NT_STATUS_UNSUCCESSFUL;
5281 }
5282
5283 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5284 if (tmp) {
5285 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5286 return NT_STATUS_USER_EXISTS;
5287 }
5288
5289 /* it is just a posix account, retrieve the dn for later use */
5290 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5291 if (!dn) {
5292 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5293 return NT_STATUS_NO_MEMORY;
5294 }
5295 }
5296
5297 if (num_result == 0) {
5298 add_posix = True;
5299 }
5300
5301 /* Create the basic samu structure and generate the mods for the ldap commit */
5302 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5303 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5304 return ret;
5305 }
5306
5307 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5308
5309 user = samu_new(tmp_ctx);
5310 if (!user) {
5311 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5312 return NT_STATUS_NO_MEMORY;
5313 }
5314
5315 if (!pdb_set_username(user, name, PDB_SET)) {
5316 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5317 return NT_STATUS_UNSUCCESSFUL;
5318 }
5319 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5320 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5321 return NT_STATUS_UNSUCCESSFUL;
5322 }
5323 if (is_machine) {
5324 if (acb_info & ACB_NORMAL) {
5325 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5326 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5327 return NT_STATUS_UNSUCCESSFUL;
5328 }
5329 } else {
5330 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5331 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5332 return NT_STATUS_UNSUCCESSFUL;
5333 }
5334 }
5335 } else {
5336 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5337 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5338 return NT_STATUS_UNSUCCESSFUL;
5339 }
5340 }
5341
5342 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5343 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5344 return NT_STATUS_UNSUCCESSFUL;
5345 }
5346
5347 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5348 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5349 return NT_STATUS_UNSUCCESSFUL;
5350 }
5351
5352 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5353 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5354 }
5355 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5356
5357 if (add_posix) {
5358 char *escape_name;
5359
5360 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5361
5362 /* retrieve the Domain Users group gid */
5363 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5364 !sid_to_gid(&group_sid, &gid)) {
5365 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5366 return NT_STATUS_INVALID_PRIMARY_GROUP;
5367 }
5368
5369 /* lets allocate a new userid for this user */
5370 if (!winbind_allocate_uid(&uid)) {
5371 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5372 return NT_STATUS_UNSUCCESSFUL;
5373 }
5374
5375
5376 if (is_machine) {
5377 /* TODO: choose a more appropriate default for machines */
5378 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5379 shell = talloc_strdup(tmp_ctx, "/bin/false");
5380 } else {
5381 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5382 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5383 }
5384 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5385 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5386
5387 escape_name = escape_rdn_val_string_alloc(name);
5388 if (!escape_name) {
5389 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5390 return NT_STATUS_NO_MEMORY;
5391 }
5392
5393 if (is_machine) {
5394 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5395 } else {
5396 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5397 }
5398
5399 SAFE_FREE(escape_name);
5400
5401 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5402 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5403 return NT_STATUS_NO_MEMORY;
5404 }
5405
5406 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5407 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5408 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5409 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5410 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5411 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5412 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5413 }
5414
5415 talloc_autofree_ldapmod(tmp_ctx, mods);
5416
5417 if (add_posix) {
5418 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5419 } else {
5420 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5421 }
5422
5423 if (rc != LDAP_SUCCESS) {
5424 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5425 return NT_STATUS_UNSUCCESSFUL;
5426 }
5427
5428 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5429
5430 flush_pwnam_cache();
5431
5432 return NT_STATUS_OK;
5433 }
5434
5435 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5436 {
5437 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5438 LDAPMessage *result = NULL;
5439 LDAPMessage *entry = NULL;
5440 int num_result;
5441 const char *dn;
5442 char *filter;
5443 int rc;
5444
5445 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5446
5447 filter = talloc_asprintf(tmp_ctx,
5448 "(&(uid=%s)"
5449 "(objectClass=%s)"
5450 "(objectClass=%s))",
5451 pdb_get_username(sam_acct),
5452 LDAP_OBJ_POSIXACCOUNT,
5453 LDAP_OBJ_SAMBASAMACCOUNT);
5454 if (filter == NULL) {
5455 return NT_STATUS_NO_MEMORY;
5456 }
5457
5458 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5459 if (rc != LDAP_SUCCESS) {
5460 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5461 return NT_STATUS_UNSUCCESSFUL;
5462 }
5463 talloc_autofree_ldapmsg(tmp_ctx, result);
5464
5465 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5466
5467 if (num_result == 0) {
5468 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5469 return NT_STATUS_NO_SUCH_USER;
5470 }
5471
5472 if (num_result > 1) {
5473 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5474 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5475 }
5476
5477 entry = ldap_first_entry(priv2ld(ldap_state), result);
5478 if (!entry) {
5479 return NT_STATUS_UNSUCCESSFUL;
5480 }
5481
5482 /* it is just a posix account, retrieve the dn for later use */
5483 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5484 if (!dn) {
5485 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5486 return NT_STATUS_NO_MEMORY;
5487 }
5488
5489 /* try to remove memberships first */
5490 {
5491 NTSTATUS status;
5492 struct dom_sid *sids = NULL;
5493 gid_t *gids = NULL;
5494 uint32_t num_groups = 0;
5495 int i;
5496 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5497
5498 status = ldapsam_enum_group_memberships(my_methods,
5499 tmp_ctx,
5500 sam_acct,
5501 &sids,
5502 &gids,
5503 &num_groups);
5504 if (!NT_STATUS_IS_OK(status)) {
5505 goto delete_dn;
5506 }
5507
5508 for (i=0; i < num_groups; i++) {
5509
5510 uint32_t group_rid;
5511
5512 sid_peek_rid(&sids[i], &group_rid);
5513
5514 ldapsam_del_groupmem(my_methods,
5515 tmp_ctx,
5516 group_rid,
5517 user_rid);
5518 }
5519 }
5520
5521 delete_dn:
5522
5523 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5524 if (rc != LDAP_SUCCESS) {
5525 return NT_STATUS_UNSUCCESSFUL;
5526 }
5527
5528 flush_pwnam_cache();
5529
5530 return NT_STATUS_OK;
5531 }
5532
5533 /*
5534 * ldapsam_create_group creates a new
5535 * posixGroup and sambaGroupMapping object
5536 * in the ldap groups subtree
5537 *
5538 * The gid is allocated by winbindd.
5539 */
5540
5541 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5542 TALLOC_CTX *tmp_ctx,
5543 const char *name,
5544 uint32_t *rid)
5545 {
5546 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5547 NTSTATUS ret;
5548 LDAPMessage *entry = NULL;
5549 LDAPMessage *result = NULL;
5550 uint32_t num_result;
5551 bool is_new_entry = False;
5552 LDAPMod **mods = NULL;
5553 char *filter;
5554 char *groupsidstr;
5555 char *groupname;
5556 char *grouptype;
5557 char *gidstr;
5558 const char *dn = NULL;
5559 struct dom_sid group_sid;
5560 gid_t gid = -1;
5561 int rc;
5562
5563 groupname = escape_ldap_string(talloc_tos(), name);
5564 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5565 groupname, LDAP_OBJ_POSIXGROUP);
5566 TALLOC_FREE(groupname);
5567
5568 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5569 if (rc != LDAP_SUCCESS) {
5570 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5571 return NT_STATUS_UNSUCCESSFUL;
5572 }
5573 talloc_autofree_ldapmsg(tmp_ctx, result);
5574
5575 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5576
5577 if (num_result > 1) {
5578 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5579 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5580 }
5581
5582 if (num_result == 1) {
5583 char *tmp;
5584 /* check if it is just a posix group.
5585 * or if there is a sid attached to this entry
5586 */
5587
5588 entry = ldap_first_entry(priv2ld(ldap_state), result);
5589 if (!entry) {
5590 return NT_STATUS_UNSUCCESSFUL;
5591 }
5592
5593 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5594 if (tmp) {
5595 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5596 return NT_STATUS_GROUP_EXISTS;
5597 }
5598
5599 /* it is just a posix group, retrieve the gid and the dn for later use */
5600 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5601 if (!tmp) {
5602 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5603 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5604 }
5605
5606 gid = strtoul(tmp, NULL, 10);
5607
5608 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5609 if (!dn) {
5610 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5611 return NT_STATUS_NO_MEMORY;
5612 }
5613 }
5614
5615 if (num_result == 0) {
5616 is_new_entry = true;
5617 }
5618
5619 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5620 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5621 return ret;
5622 }
5623
5624 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5625
5626 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5627 &group_sid));
5628 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5629
5630 if (!groupsidstr || !grouptype) {
5631 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5632 return NT_STATUS_NO_MEMORY;
5633 }
5634
5635 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5636 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5637 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5638 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5639
5640 if (is_new_entry) {
5641 char *escape_name;
5642
5643 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5644
5645 /* lets allocate a new groupid for this group */
5646 if (!winbind_allocate_gid(&gid)) {
5647 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5648 return NT_STATUS_UNSUCCESSFUL;
5649 }
5650
5651 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5652
5653 escape_name = escape_rdn_val_string_alloc(name);
5654 if (!escape_name) {
5655 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5656 return NT_STATUS_NO_MEMORY;
5657 }
5658
5659 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5660
5661 SAFE_FREE(escape_name);
5662
5663 if (!gidstr || !dn) {
5664 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5665 return NT_STATUS_NO_MEMORY;
5666 }
5667
5668 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5669 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5670 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5671 }
5672
5673 talloc_autofree_ldapmod(tmp_ctx, mods);
5674
5675 if (is_new_entry) {
5676 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5677 #if 0
5678 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5679 /* This call may fail with rfc2307bis schema */
5680 /* Retry adding a structural class */
5681 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5682 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5683 }
5684 #endif
5685 } else {
5686 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5687 }
5688
5689 if (rc != LDAP_SUCCESS) {
5690 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5691 return NT_STATUS_UNSUCCESSFUL;
5692 }
5693
5694 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5695
5696 return NT_STATUS_OK;
5697 }
5698
5699 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5700 {
5701 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5702 LDAPMessage *result = NULL;
5703 LDAPMessage *entry = NULL;
5704 int num_result;
5705 const char *dn;
5706 char *gidstr;
5707 char *filter;
5708 struct dom_sid group_sid;
5709 int rc;
5710
5711 /* get the group sid */
5712 sid_compose(&group_sid, get_global_sam_sid(), rid);
5713
5714 filter = talloc_asprintf(tmp_ctx,
5715 "(&(sambaSID=%s)"
5716 "(objectClass=%s)"
5717 "(objectClass=%s))",
5718 sid_string_talloc(tmp_ctx, &group_sid),
5719 LDAP_OBJ_POSIXGROUP,
5720 LDAP_OBJ_GROUPMAP);
5721 if (filter == NULL) {
5722 return NT_STATUS_NO_MEMORY;
5723 }
5724
5725 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5726 if (rc != LDAP_SUCCESS) {
5727 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5728 return NT_STATUS_UNSUCCESSFUL;
5729 }
5730 talloc_autofree_ldapmsg(tmp_ctx, result);
5731
5732 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5733
5734 if (num_result == 0) {
5735 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5736 return NT_STATUS_NO_SUCH_GROUP;
5737 }
5738
5739 if (num_result > 1) {
5740 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5741 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5742 }
5743
5744 entry = ldap_first_entry(priv2ld(ldap_state), result);
5745 if (!entry) {
5746 return NT_STATUS_UNSUCCESSFUL;
5747 }
5748
5749 /* here it is, retrieve the dn for later use */
5750 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5751 if (!dn) {
5752 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5753 return NT_STATUS_NO_MEMORY;
5754 }
5755
5756 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5757 if (!gidstr) {
5758 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5759 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5760 }
5761
5762 /* check no user have this group marked as primary group */
5763 filter = talloc_asprintf(tmp_ctx,
5764 "(&(gidNumber=%s)"
5765 "(objectClass=%s)"
5766 "(objectClass=%s))",
5767 gidstr,
5768 LDAP_OBJ_POSIXACCOUNT,
5769 LDAP_OBJ_SAMBASAMACCOUNT);
5770
5771 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5772 if (rc != LDAP_SUCCESS) {
5773 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5774 return NT_STATUS_UNSUCCESSFUL;
5775 }
5776 talloc_autofree_ldapmsg(tmp_ctx, result);
5777
5778 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5779
5780 if (num_result != 0) {
5781 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5782 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5783 }
5784
5785 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5786 if (rc != LDAP_SUCCESS) {
5787 return NT_STATUS_UNSUCCESSFUL;
5788 }
5789
5790 return NT_STATUS_OK;
5791 }
5792
5793 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5794 TALLOC_CTX *tmp_ctx,
5795 uint32_t group_rid,
5796 uint32_t member_rid,
5797 int modop)
5798 {
5799 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5800 LDAPMessage *entry = NULL;
5801 LDAPMessage *result = NULL;
5802 uint32_t num_result;
5803 LDAPMod **mods = NULL;
5804 char *filter;
5805 char *uidstr;
5806 const char *dn = NULL;
5807 struct dom_sid group_sid;
5808 struct dom_sid member_sid;
5809 int rc;
5810
5811 switch (modop) {
5812 case LDAP_MOD_ADD:
5813 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5814 break;
5815 case LDAP_MOD_DELETE:
5816 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5817 break;
5818 default:
5819 return NT_STATUS_UNSUCCESSFUL;
5820 }
5821
5822 /* get member sid */
5823 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5824
5825 /* get the group sid */
5826 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5827
5828 filter = talloc_asprintf(tmp_ctx,
5829 "(&(sambaSID=%s)"
5830 "(objectClass=%s)"
5831 "(objectClass=%s))",
5832 sid_string_talloc(tmp_ctx, &member_sid),
5833 LDAP_OBJ_POSIXACCOUNT,
5834 LDAP_OBJ_SAMBASAMACCOUNT);
5835 if (filter == NULL) {
5836 return NT_STATUS_NO_MEMORY;
5837 }
5838
5839 /* get the member uid */
5840 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5841 if (rc != LDAP_SUCCESS) {
5842 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5843 return NT_STATUS_UNSUCCESSFUL;
5844 }
5845 talloc_autofree_ldapmsg(tmp_ctx, result);
5846
5847 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5848
5849 if (num_result == 0) {
5850 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5851 return NT_STATUS_NO_SUCH_MEMBER;
5852 }
5853
5854 if (num_result > 1) {
5855 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5856 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5857 }
5858
5859 entry = ldap_first_entry(priv2ld(ldap_state), result);
5860 if (!entry) {
5861 return NT_STATUS_UNSUCCESSFUL;
5862 }
5863
5864 if (modop == LDAP_MOD_DELETE) {
5865 /* check if we are trying to remove the member from his primary group */
5866 char *gidstr;
5867 gid_t user_gid, group_gid;
5868
5869 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5870 if (!gidstr) {
5871 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5872 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5873 }
5874
5875 user_gid = strtoul(gidstr, NULL, 10);
5876
5877 if (!sid_to_gid(&group_sid, &group_gid)) {
5878 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5879 return NT_STATUS_UNSUCCESSFUL;
5880 }
5881
5882 if (user_gid == group_gid) {
5883 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5884 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5885 }
5886 }
5887
5888 /* here it is, retrieve the uid for later use */
5889 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5890 if (!uidstr) {
5891 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5892 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5893 }
5894
5895 filter = talloc_asprintf(tmp_ctx,
5896 "(&(sambaSID=%s)"
5897 "(objectClass=%s)"
5898 "(objectClass=%s))",
5899 sid_string_talloc(tmp_ctx, &group_sid),
5900 LDAP_OBJ_POSIXGROUP,
5901 LDAP_OBJ_GROUPMAP);
5902
5903 /* get the group */
5904 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5905 if (rc != LDAP_SUCCESS) {
5906 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5907 return NT_STATUS_UNSUCCESSFUL;
5908 }
5909 talloc_autofree_ldapmsg(tmp_ctx, result);
5910
5911 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5912
5913 if (num_result == 0) {
5914 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5915 return NT_STATUS_NO_SUCH_GROUP;
5916 }
5917
5918 if (num_result > 1) {
5919 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5920 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5921 }
5922
5923 entry = ldap_first_entry(priv2ld(ldap_state), result);
5924 if (!entry) {
5925 return NT_STATUS_UNSUCCESSFUL;
5926 }
5927
5928 /* here it is, retrieve the dn for later use */
5929 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5930 if (!dn) {
5931 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5932 return NT_STATUS_NO_MEMORY;
5933 }
5934
5935 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5936
5937 talloc_autofree_ldapmod(tmp_ctx, mods);
5938
5939 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5940 if (rc != LDAP_SUCCESS) {
5941 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5942 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5943 return NT_STATUS_MEMBER_IN_GROUP;
5944 }
5945 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5946 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5947 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5948 }
5949 return NT_STATUS_UNSUCCESSFUL;
5950 }
5951
5952 return NT_STATUS_OK;
5953 }
5954
5955 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5956 TALLOC_CTX *tmp_ctx,
5957 uint32_t group_rid,
5958 uint32_t member_rid)
5959 {
5960 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5961 }
5962 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5963 TALLOC_CTX *tmp_ctx,
5964 uint32_t group_rid,
5965 uint32_t member_rid)
5966 {
5967 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5968 }
5969
5970 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5971 TALLOC_CTX *mem_ctx,
5972 struct samu *sampass)
5973 {
5974 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5975 LDAPMessage *entry = NULL;
5976 LDAPMessage *result = NULL;
5977 uint32_t num_result;
5978 LDAPMod **mods = NULL;
5979 char *filter;
5980 char *escape_username;
5981 char *gidstr;
5982 const char *dn = NULL;
5983 gid_t gid;
5984 int rc;
5985
5986 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5987
5988 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5989 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5990 return NT_STATUS_UNSUCCESSFUL;
5991 }
5992 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5993 if (!gidstr) {
5994 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5995 return NT_STATUS_NO_MEMORY;
5996 }
5997
5998 escape_username = escape_ldap_string(talloc_tos(),
5999 pdb_get_username(sampass));
6000 if (escape_username== NULL) {
6001 return NT_STATUS_NO_MEMORY;
6002 }
6003
6004 filter = talloc_asprintf(mem_ctx,
6005 "(&(uid=%s)"
6006 "(objectClass=%s)"
6007 "(objectClass=%s))",
6008 escape_username,
6009 LDAP_OBJ_POSIXACCOUNT,
6010 LDAP_OBJ_SAMBASAMACCOUNT);
6011
6012 TALLOC_FREE(escape_username);
6013
6014 if (filter == NULL) {
6015 return NT_STATUS_NO_MEMORY;
6016 }
6017
6018 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6019 if (rc != LDAP_SUCCESS) {
6020 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6021 return NT_STATUS_UNSUCCESSFUL;
6022 }
6023 talloc_autofree_ldapmsg(mem_ctx, result);
6024
6025 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6026
6027 if (num_result == 0) {
6028 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6029 return NT_STATUS_NO_SUCH_USER;
6030 }
6031
6032 if (num_result > 1) {
6033 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6034 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6035 }
6036
6037 entry = ldap_first_entry(priv2ld(ldap_state), result);
6038 if (!entry) {
6039 return NT_STATUS_UNSUCCESSFUL;
6040 }
6041
6042 /* retrieve the dn for later use */
6043 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6044 if (!dn) {
6045 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6046 return NT_STATUS_NO_MEMORY;
6047 }
6048
6049 /* remove the old one, and add the new one, this way we do not risk races */
6050 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6051
6052 if (mods == NULL) {
6053 return NT_STATUS_OK;
6054 }
6055
6056 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6057
6058 if (rc != LDAP_SUCCESS) {
6059 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6060 pdb_get_username(sampass), gidstr));
6061 return NT_STATUS_UNSUCCESSFUL;
6062 }
6063
6064 flush_pwnam_cache();
6065
6066 return NT_STATUS_OK;
6067 }
6068
6069
6070 /**********************************************************************
6071 trusted domains functions
6072 *********************************************************************/
6073
6074 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6075 const char *domain)
6076 {
6077 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6078 ldap_state->domain_dn);
6079 }
6080
6081 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6082 TALLOC_CTX *mem_ctx,
6083 const char *domain, LDAPMessage **entry)
6084 {
6085 int rc;
6086 char *filter;
6087 int scope = LDAP_SCOPE_SUBTREE;
6088 const char **attrs = NULL; /* NULL: get all attrs */
6089 int attrsonly = 0; /* 0: return values too */
6090 LDAPMessage *result = NULL;
6091 char *trusted_dn;
6092 uint32_t num_result;
6093
6094 filter = talloc_asprintf(talloc_tos(),
6095 "(&(objectClass=%s)(sambaDomainName=%s))",
6096 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6097
6098 trusted_dn = trusteddom_dn(ldap_state, domain);
6099 if (trusted_dn == NULL) {
6100 return False;
6101 }
6102 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6103 filter, attrs, attrsonly, &result);
6104
6105 if (result != NULL) {
6106 talloc_autofree_ldapmsg(mem_ctx, result);
6107 }
6108
6109 if (rc == LDAP_NO_SUCH_OBJECT) {
6110 *entry = NULL;
6111 return True;
6112 }
6113
6114 if (rc != LDAP_SUCCESS) {
6115 return False;
6116 }
6117
6118 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6119
6120 if (num_result > 1) {
6121 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6122 "%s object for domain '%s'?!\n",
6123 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6124 return False;
6125 }
6126
6127 if (num_result == 0) {
6128 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6129 "%s object for domain %s.\n",
6130 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6131 *entry = NULL;
6132 } else {
6133 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6134 }
6135
6136 return True;
6137 }
6138
6139 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6140 const char *domain,
6141 char** pwd,
6142 struct dom_sid *sid,
6143 time_t *pass_last_set_time)
6144 {
6145 struct ldapsam_privates *ldap_state =
6146 (struct ldapsam_privates *)methods->private_data;
6147 LDAPMessage *entry = NULL;
6148
6149 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6150
6151 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6152 (entry == NULL))
6153 {
6154 return False;
6155 }
6156
6157 /* password */
6158 if (pwd != NULL) {
6159 char *pwd_str;
6160 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6161 entry, "sambaClearTextPassword", talloc_tos());
6162 if (pwd_str == NULL) {
6163 return False;
6164 }
6165 /* trusteddom_pw routines do not use talloc yet... */
6166 *pwd = SMB_STRDUP(pwd_str);
6167 if (*pwd == NULL) {
6168 return False;
6169 }
6170 }
6171
6172 /* last change time */
6173 if (pass_last_set_time != NULL) {
6174 char *time_str;
6175 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6176 entry, "sambaPwdLastSet", talloc_tos());
6177 if (time_str == NULL) {
6178 return False;
6179 }
6180 *pass_last_set_time = (time_t)atol(time_str);
6181 }
6182
6183 /* domain sid */
6184 if (sid != NULL) {
6185 char *sid_str;
6186 struct dom_sid dom_sid;
6187 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6188 entry, "sambaSID",
6189 talloc_tos());
6190 if (sid_str == NULL) {
6191 return False;
6192 }
6193 if (!string_to_sid(&dom_sid, sid_str)) {
6194 return False;
6195 }
6196 sid_copy(sid, &dom_sid);
6197 }
6198
6199 return True;
6200 }
6201
6202 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6203 const char* domain,
6204 const char* pwd,
6205 const struct dom_sid *sid)
6206 {
6207 struct ldapsam_privates *ldap_state =
6208 (struct ldapsam_privates *)methods->private_data;
6209 LDAPMessage *entry = NULL;
6210 LDAPMod **mods = NULL;
6211 char *prev_pwd = NULL;
6212 char *trusted_dn = NULL;
6213 int rc;
6214
6215 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6216
6217 /*
6218 * get the current entry (if there is one) in order to put the
6219 * current password into the previous password attribute
6220 */
6221 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6222 return False;
6223 }
6224
6225 mods = NULL;
6226 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6227 LDAP_OBJ_TRUSTDOM_PASSWORD);
6228 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6229 domain);
6230 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6231 sid_string_tos(sid));
6232 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6233 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6234 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6235 "sambaClearTextPassword", pwd);
6236
6237 if (entry != NULL) {
6238 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6239 entry, "sambaClearTextPassword", talloc_tos());
6240 if (prev_pwd != NULL) {
6241 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6242 "sambaPreviousClearTextPassword",
6243 prev_pwd);
6244 }
6245 }
6246
6247 talloc_autofree_ldapmod(talloc_tos(), mods);
6248
6249 trusted_dn = trusteddom_dn(ldap_state, domain);
6250 if (trusted_dn == NULL) {
6251 return False;
6252 }
6253 if (entry == NULL) {
6254 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6255 } else {
6256 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6257 }
6258
6259 if (rc != LDAP_SUCCESS) {
6260 DEBUG(1, ("error writing trusted domain password!\n"));
6261 return False;
6262 }
6263
6264 return True;
6265 }
6266
6267 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6268 const char *domain)
6269 {
6270 int rc;
6271 struct ldapsam_privates *ldap_state =
6272 (struct ldapsam_privates *)methods->private_data;
6273 LDAPMessage *entry = NULL;
6274 const char *trusted_dn;
6275
6276 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6277 return False;
6278 }
6279
6280 if (entry == NULL) {
6281 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6282 "%s\n", domain));
6283 return True;
6284 }
6285
6286 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6287 entry);
6288 if (trusted_dn == NULL) {
6289 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6290 return False;
6291 }
6292
6293 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6294 if (rc != LDAP_SUCCESS) {
6295 return False;
6296 }
6297
6298 return True;
6299 }
6300
6301 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6302 TALLOC_CTX *mem_ctx,
6303 uint32_t *num_domains,
6304 struct trustdom_info ***domains)
6305 {
6306 int rc;
6307 struct ldapsam_privates *ldap_state =
6308 (struct ldapsam_privates *)methods->private_data;
6309 char *filter;
6310 int scope = LDAP_SCOPE_SUBTREE;
6311 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6312 int attrsonly = 0; /* 0: return values too */
6313 LDAPMessage *result = NULL;
6314 LDAPMessage *entry = NULL;
6315
6316 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6317 LDAP_OBJ_TRUSTDOM_PASSWORD);
6318
6319 rc = smbldap_search(ldap_state->smbldap_state,
6320 ldap_state->domain_dn,
6321 scope,
6322 filter,
6323 attrs,
6324 attrsonly,
6325 &result);
6326
6327 if (result != NULL) {
6328 talloc_autofree_ldapmsg(mem_ctx, result);
6329 }
6330
6331 if (rc != LDAP_SUCCESS) {
6332 return NT_STATUS_UNSUCCESSFUL;
6333 }
6334
6335 *num_domains = 0;
6336 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6337 DEBUG(1, ("talloc failed\n"));
6338 return NT_STATUS_NO_MEMORY;
6339 }
6340
6341 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6342 entry != NULL;
6343 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6344 {
6345 char *dom_name, *dom_sid_str;
6346 struct trustdom_info *dom_info;
6347
6348 dom_info = talloc(*domains, struct trustdom_info);
6349 if (dom_info == NULL) {
6350 DEBUG(1, ("talloc failed\n"));
6351 return NT_STATUS_NO_MEMORY;
6352 }
6353
6354 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6355 entry,
6356 "sambaDomainName",
6357 talloc_tos());
6358 if (dom_name == NULL) {
6359 DEBUG(1, ("talloc failed\n"));
6360 return NT_STATUS_NO_MEMORY;
6361 }
6362 dom_info->name = dom_name;
6363
6364 dom_sid_str = smbldap_talloc_single_attribute(
6365 priv2ld(ldap_state), entry, "sambaSID",
6366 talloc_tos());
6367 if (dom_sid_str == NULL) {
6368 DEBUG(1, ("talloc failed\n"));
6369 return NT_STATUS_NO_MEMORY;
6370 }
6371 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6372 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6373 dom_sid_str));
6374 return NT_STATUS_UNSUCCESSFUL;
6375 }
6376
6377 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6378 domains, num_domains);
6379
6380 if (*domains == NULL) {
6381 DEBUG(1, ("talloc failed\n"));
6382 return NT_STATUS_NO_MEMORY;
6383 }
6384 }
6385
6386 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6387 return NT_STATUS_OK;
6388 }
6389
6390
6391 /**********************************************************************
6392 Housekeeping
6393 *********************************************************************/
6394
6395 static void free_private_data(void **vp)
6396 {
6397 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6398
6399 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6400
6401 if ((*ldap_state)->result != NULL) {
6402 ldap_msgfree((*ldap_state)->result);
6403 (*ldap_state)->result = NULL;
6404 }
6405 if ((*ldap_state)->domain_dn != NULL) {
6406 SAFE_FREE((*ldap_state)->domain_dn);
6407 }
6408
6409 *ldap_state = NULL;
6410
6411 /* No need to free any further, as it is talloc()ed */
6412 }
6413
6414 /*********************************************************************
6415 Intitalise the parts of the pdb_methods structure that are common to
6416 all pdb_ldap modes
6417 *********************************************************************/
6418
6419 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6420 {
6421 NTSTATUS nt_status;
6422 struct ldapsam_privates *ldap_state;
6423
6424 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6425 return nt_status;
6426 }
6427
6428 (*pdb_method)->name = "ldapsam";
6429
6430 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6431 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6432 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6433 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6434 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6435 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6436
6437 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6438 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6439 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6440 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6441 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6442 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6443 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6444
6445 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6446 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6447
6448 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6449
6450 (*pdb_method)->capabilities = ldapsam_capabilities;
6451 (*pdb_method)->new_rid = ldapsam_new_rid;
6452
6453 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6454 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6455 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6456 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6457
6458 /* TODO: Setup private data and free */
6459
6460 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6461 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6462 return NT_STATUS_NO_MEMORY;
6463 }
6464
6465 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6466 location, &ldap_state->smbldap_state);
6467
6468 if ( !NT_STATUS_IS_OK(nt_status) ) {
6469 return nt_status;
6470 }
6471
6472 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6473 return NT_STATUS_NO_MEMORY;
6474 }
6475
6476 (*pdb_method)->private_data = ldap_state;
6477
6478 (*pdb_method)->free_private_data = free_private_data;
6479
6480 return NT_STATUS_OK;
6481 }
6482
6483 /**********************************************************************
6484 Initialise the 'compat' mode for pdb_ldap
6485 *********************************************************************/
6486
6487 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6488 {
6489 NTSTATUS nt_status;
6490 struct ldapsam_privates *ldap_state;
6491 char *uri = talloc_strdup( NULL, location );
6492
6493 trim_char( uri, '\"', '\"' );
6494 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6495 if ( uri )
6496 TALLOC_FREE( uri );
6497
6498 if ( !NT_STATUS_IS_OK(nt_status) ) {
6499 return nt_status;
6500 }
6501
6502 (*pdb_method)->name = "ldapsam_compat";
6503
6504 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6505 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6506
6507 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6508
6509 return NT_STATUS_OK;
6510 }
6511
6512 /**********************************************************************
6513 Initialise the normal mode for pdb_ldap
6514 *********************************************************************/
6515
6516 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6517 {
6518 NTSTATUS nt_status;
6519 struct ldapsam_privates *ldap_state = NULL;
6520 uint32_t alg_rid_base;
6521 char *alg_rid_base_string = NULL;
6522 LDAPMessage *result = NULL;
6523 LDAPMessage *entry = NULL;
6524 struct dom_sid ldap_domain_sid;
6525 struct dom_sid secrets_domain_sid;
6526 char *domain_sid_string = NULL;
6527 char *dn = NULL;
6528 char *uri = talloc_strdup( NULL, location );
6529
6530 trim_char( uri, '\"', '\"' );
6531 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6532
6533 TALLOC_FREE(uri);
6534
6535 if (!NT_STATUS_IS_OK(nt_status)) {
6536 return nt_status;
6537 }
6538
6539 (*pdb_method)->name = "ldapsam";
6540
6541 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6542 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6543 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6544 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6545 (*pdb_method)->search_users = ldapsam_search_users;
6546 (*pdb_method)->search_groups = ldapsam_search_groups;
6547 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6548
6549 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6550 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6551 (*pdb_method)->enum_group_memberships =
6552 ldapsam_enum_group_memberships;
6553 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6554 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6555 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6556 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6557
6558 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6559 (*pdb_method)->create_user = ldapsam_create_user;
6560 (*pdb_method)->delete_user = ldapsam_delete_user;
6561 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6562 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6563 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6564 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6565 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6566 }
6567 }
6568
6569 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6570 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6571
6572 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6573
6574 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6575 &result,
6576 ldap_state->domain_name, True);
6577
6578 if ( !NT_STATUS_IS_OK(nt_status) ) {
6579 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6580 "info, nor add one to the domain. "
6581 "We cannot work reliably without it.\n"));
6582 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6583 }
6584
6585 /* Given that the above might fail, everything below this must be
6586 * optional */
6587
6588 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6589 result);
6590 if (!entry) {
6591 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6592 "entry\n"));
6593 ldap_msgfree(result);
6594 return NT_STATUS_UNSUCCESSFUL;
6595 }
6596
6597 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6598 if (!dn) {
6599 ldap_msgfree(result);
6600 return NT_STATUS_UNSUCCESSFUL;
6601 }
6602
6603 ldap_state->domain_dn = smb_xstrdup(dn);
6604 TALLOC_FREE(dn);
6605
6606 domain_sid_string = smbldap_talloc_single_attribute(
6607 ldap_state->smbldap_state->ldap_struct,
6608 entry,
6609 get_userattr_key2string(ldap_state->schema_ver,
6610 LDAP_ATTR_USER_SID),
6611 talloc_tos());
6612
6613 if (domain_sid_string) {
6614 bool found_sid;
6615 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6616 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6617 "read as a valid SID\n", domain_sid_string));
6618 ldap_msgfree(result);
6619 TALLOC_FREE(domain_sid_string);
6620 return NT_STATUS_INVALID_PARAMETER;
6621 }
6622 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6623 &secrets_domain_sid);
6624 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6625 &ldap_domain_sid)) {
6626 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6627 "%s based on pdb_ldap results %s -> %s\n",
6628 ldap_state->domain_name,
6629 sid_string_dbg(&secrets_domain_sid),
6630 sid_string_dbg(&ldap_domain_sid)));
6631
6632 /* reset secrets.tdb sid */
6633 secrets_store_domain_sid(ldap_state->domain_name,
6634 &ldap_domain_sid);
6635 DEBUG(1, ("New global sam SID: %s\n",
6636 sid_string_dbg(get_global_sam_sid())));
6637 }
6638 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6639 TALLOC_FREE(domain_sid_string);
6640 }
6641
6642 alg_rid_base_string = smbldap_talloc_single_attribute(
6643 ldap_state->smbldap_state->ldap_struct,
6644 entry,
6645 get_attr_key2string( dominfo_attr_list,
6646 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6647 talloc_tos());
6648 if (alg_rid_base_string) {
6649 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6650 if (alg_rid_base != algorithmic_rid_base()) {
6651 DEBUG(0, ("The value of 'algorithmic RID base' has "
6652 "changed since the LDAP\n"
6653 "database was initialised. Aborting. \n"));
6654 ldap_msgfree(result);
6655 TALLOC_FREE(alg_rid_base_string);
6656 return NT_STATUS_UNSUCCESSFUL;
6657 }
6658 TALLOC_FREE(alg_rid_base_string);
6659 }
6660 ldap_msgfree(result);
6661
6662 return NT_STATUS_OK;
6663 }
6664
6665 NTSTATUS pdb_ldap_init(void)
6666 {
6667 NTSTATUS nt_status;
6668 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6669 return nt_status;
6670
6671 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6672 return nt_status;
6673
6674 /* Let pdb_nds register backends */
6675 pdb_nds_init();
6676
6677 pdb_ipa_init();
6678
6679 return NT_STATUS_OK;
6680 }
stuff from bjacke