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docs: mention AD prerequirements for using idmap_ad
[Samba.git] / source3 / passdb / pdb_ldap.c
blob9316f4078a2c7d26ae01786bfd7d38489666916b
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "passdb.h"
48 #include "../libcli/auth/libcli_auth.h"
49 #include "secrets.h"
50 #include "idmap_cache.h"
51 #include "../libcli/security/security.h"
52 #include "../lib/util/util_pw.h"
53 #include "lib/winbind_util.h"
54
55 #undef DBGC_CLASS
56 #define DBGC_CLASS DBGC_PASSDB
57
58 #include <lber.h>
59 #include <ldap.h>
60
61
62 #include "smbldap.h"
63
64 /**********************************************************************
65 Simple helper function to make stuff better readable
66 **********************************************************************/
67
68 LDAP *priv2ld(struct ldapsam_privates *priv)
69 {
70 return priv->smbldap_state->ldap_struct;
71 }
72
73 /**********************************************************************
74 Get the attribute name given a user schame version.
75 **********************************************************************/
76
77 static const char* get_userattr_key2string( int schema_ver, int key )
78 {
79 switch ( schema_ver ) {
80 case SCHEMAVER_SAMBAACCOUNT:
81 return get_attr_key2string( attrib_map_v22, key );
82
83 case SCHEMAVER_SAMBASAMACCOUNT:
84 return get_attr_key2string( attrib_map_v30, key );
85
86 default:
87 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
88 break;
89 }
90 return NULL;
91 }
92
93 /**********************************************************************
94 Return the list of attribute names given a user schema version.
95 **********************************************************************/
96
97 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
98 {
99 switch ( schema_ver ) {
100 case SCHEMAVER_SAMBAACCOUNT:
101 return get_attr_list( mem_ctx, attrib_map_v22 );
102
103 case SCHEMAVER_SAMBASAMACCOUNT:
104 return get_attr_list( mem_ctx, attrib_map_v30 );
105 default:
106 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
107 break;
108 }
109
110 return NULL;
111 }
112
113 /**************************************************************************
114 Return the list of attribute names to delete given a user schema version.
115 **************************************************************************/
116
117 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
118 int schema_ver )
119 {
120 switch ( schema_ver ) {
121 case SCHEMAVER_SAMBAACCOUNT:
122 return get_attr_list( mem_ctx,
123 attrib_map_to_delete_v22 );
124
125 case SCHEMAVER_SAMBASAMACCOUNT:
126 return get_attr_list( mem_ctx,
127 attrib_map_to_delete_v30 );
128 default:
129 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
130 break;
131 }
132
133 return NULL;
134 }
135
136
137 /*******************************************************************
138 Generate the LDAP search filter for the objectclass based on the
139 version of the schema we are using.
140 ******************************************************************/
141
142 static const char* get_objclass_filter( int schema_ver )
143 {
144 fstring objclass_filter;
145 char *result;
146
147 switch( schema_ver ) {
148 case SCHEMAVER_SAMBAACCOUNT:
149 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
150 break;
151 case SCHEMAVER_SAMBASAMACCOUNT:
152 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
153 break;
154 default:
155 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
156 objclass_filter[0] = '\0';
157 break;
158 }
159
160 result = talloc_strdup(talloc_tos(), objclass_filter);
161 SMB_ASSERT(result != NULL);
162 return result;
163 }
164
165 /*****************************************************************
166 Scan a sequence number off OpenLDAP's syncrepl contextCSN
167 ******************************************************************/
168
169 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
170 {
171 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
172 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
173 LDAPMessage *msg = NULL;
174 LDAPMessage *entry = NULL;
175 TALLOC_CTX *mem_ctx;
176 char **values = NULL;
177 int rc, num_result, num_values, rid;
178 char *suffix = NULL;
179 char *tok;
180 const char *p;
181 const char **attrs;
182
183 /* Unfortunatly there is no proper way to detect syncrepl-support in
184 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
185 * but do not show up in the root-DSE yet. Neither we can query the
186 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
187 * objectclass. Currently we require lp_ldap_suffix() to show up as
188 * namingContext. - Guenther
189 */
190
191 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
192 return ntstatus;
193 }
194
195 if (!seq_num) {
196 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
197 return ntstatus;
198 }
199
200 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
201 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
202 "as top-level namingContext\n", lp_ldap_suffix()));
203 return ntstatus;
204 }
205
206 mem_ctx = talloc_init("ldapsam_get_seq_num");
207
208 if (mem_ctx == NULL)
209 return NT_STATUS_NO_MEMORY;
210
211 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
212 ntstatus = NT_STATUS_NO_MEMORY;
213 goto done;
214 }
215
216 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
217 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
218 if (rid > 0) {
219
220 /* consumer syncreplCookie: */
221 /* csn=20050126161620Z#0000001#00#00000 */
222 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
223 attrs[1] = NULL;
224 suffix = talloc_asprintf(mem_ctx,
225 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
226 if (!suffix) {
227 ntstatus = NT_STATUS_NO_MEMORY;
228 goto done;
229 }
230 } else {
231
232 /* provider contextCSN */
233 /* 20050126161620Z#000009#00#000000 */
234 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
235 attrs[1] = NULL;
236 suffix = talloc_asprintf(mem_ctx,
237 "cn=ldapsync,%s", lp_ldap_suffix());
238
239 if (!suffix) {
240 ntstatus = NT_STATUS_NO_MEMORY;
241 goto done;
242 }
243 }
244
245 rc = smbldap_search(ldap_state->smbldap_state, suffix,
246 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
247
248 if (rc != LDAP_SUCCESS) {
249 goto done;
250 }
251
252 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
253 if (num_result != 1) {
254 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
255 goto done;
256 }
257
258 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
259 if (entry == NULL) {
260 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
261 goto done;
262 }
263
264 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
265 if (values == NULL) {
266 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
267 goto done;
268 }
269
270 num_values = ldap_count_values(values);
271 if (num_values == 0) {
272 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
273 goto done;
274 }
275
276 p = values[0];
277 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
278 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
279 goto done;
280 }
281
282 p = tok;
283 if (!strncmp(p, "csn=", strlen("csn=")))
284 p += strlen("csn=");
285
286 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
287
288 *seq_num = generalized_to_unix_time(p);
289
290 /* very basic sanity check */
291 if (*seq_num <= 0) {
292 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
293 (int)*seq_num));
294 goto done;
295 }
296
297 ntstatus = NT_STATUS_OK;
298
299 done:
300 if (values != NULL)
301 ldap_value_free(values);
302 if (msg != NULL)
303 ldap_msgfree(msg);
304 if (mem_ctx)
305 talloc_destroy(mem_ctx);
306
307 return ntstatus;
308 }
309
310 /*******************************************************************
311 Run the search by name.
312 ******************************************************************/
313
314 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
315 const char *user,
316 LDAPMessage ** result,
317 const char **attr)
318 {
319 char *filter = NULL;
320 char *escape_user = escape_ldap_string(talloc_tos(), user);
321 int ret = -1;
322
323 if (!escape_user) {
324 return LDAP_NO_MEMORY;
325 }
326
327 /*
328 * in the filter expression, replace %u with the real name
329 * so in ldap filter, %u MUST exist :-)
330 */
331 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
332 get_objclass_filter(ldap_state->schema_ver));
333 if (!filter) {
334 TALLOC_FREE(escape_user);
335 return LDAP_NO_MEMORY;
336 }
337 /*
338 * have to use this here because $ is filtered out
339 * in string_sub
340 */
341
342 filter = talloc_all_string_sub(talloc_tos(),
343 filter, "%u", escape_user);
344 TALLOC_FREE(escape_user);
345 if (!filter) {
346 return LDAP_NO_MEMORY;
347 }
348
349 ret = smbldap_search_suffix(ldap_state->smbldap_state,
350 filter, attr, result);
351 TALLOC_FREE(filter);
352 return ret;
353 }
354
355 /*******************************************************************
356 Run the search by rid.
357 ******************************************************************/
358
359 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
360 uint32_t rid, LDAPMessage ** result,
361 const char **attr)
362 {
363 char *filter = NULL;
364 int rc;
365
366 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
367 get_objclass_filter(ldap_state->schema_ver));
368 if (!filter) {
369 return LDAP_NO_MEMORY;
370 }
371
372 rc = smbldap_search_suffix(ldap_state->smbldap_state,
373 filter, attr, result);
374 TALLOC_FREE(filter);
375 return rc;
376 }
377
378 /*******************************************************************
379 Run the search by SID.
380 ******************************************************************/
381
382 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
383 const struct dom_sid *sid, LDAPMessage ** result,
384 const char **attr)
385 {
386 char *filter = NULL;
387 int rc;
388 fstring sid_string;
389
390 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
391 get_userattr_key2string(ldap_state->schema_ver,
392 LDAP_ATTR_USER_SID),
393 sid_to_fstring(sid_string, sid),
394 get_objclass_filter(ldap_state->schema_ver));
395 if (!filter) {
396 return LDAP_NO_MEMORY;
397 }
398
399 rc = smbldap_search_suffix(ldap_state->smbldap_state,
400 filter, attr, result);
401
402 TALLOC_FREE(filter);
403 return rc;
404 }
405
406 /*******************************************************************
407 Delete complete object or objectclass and attrs from
408 object found in search_result depending on lp_ldap_delete_dn
409 ******************************************************************/
410
411 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
412 TALLOC_CTX *mem_ctx,
413 LDAPMessage *entry,
414 const char *objectclass,
415 const char **attrs)
416 {
417 LDAPMod **mods = NULL;
418 char *name;
419 const char *dn;
420 BerElement *ptr = NULL;
421
422 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
423 if (dn == NULL) {
424 return LDAP_NO_MEMORY;
425 }
426
427 if (lp_ldap_delete_dn()) {
428 return smbldap_delete(priv->smbldap_state, dn);
429 }
430
431 /* Ok, delete only the SAM attributes */
432
433 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
434 name != NULL;
435 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
436 const char **attrib;
437
438 /* We are only allowed to delete the attributes that
439 really exist. */
440
441 for (attrib = attrs; *attrib != NULL; attrib++) {
442 if (strequal(*attrib, name)) {
443 DEBUG(10, ("ldapsam_delete_entry: deleting "
444 "attribute %s\n", name));
445 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
446 NULL);
447 }
448 }
449 ldap_memfree(name);
450 }
451
452 if (ptr != NULL) {
453 ber_free(ptr, 0);
454 }
455
456 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
457 talloc_autofree_ldapmod(mem_ctx, mods);
458
459 return smbldap_modify(priv->smbldap_state, dn, mods);
460 }
461
462 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
463 {
464 char *temp;
465 struct tm tm;
466
467 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
468 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
469 talloc_tos());
470 if (!temp) {
471 return (time_t) 0;
472 }
473
474 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
475 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
476 (char*)temp));
477 TALLOC_FREE(temp);
478 return (time_t) 0;
479 }
480 TALLOC_FREE(temp);
481 tzset();
482 return timegm(&tm);
483 }
484
485 /**********************************************************************
486 Initialize struct samu from an LDAP query.
487 (Based on init_sam_from_buffer in pdb_tdb.c)
488 *********************************************************************/
489
490 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
491 struct samu * sampass,
492 LDAPMessage * entry)
493 {
494 time_t logon_time,
495 logoff_time,
496 kickoff_time,
497 pass_last_set_time,
498 pass_can_change_time,
499 pass_must_change_time,
500 ldap_entry_time,
501 bad_password_time;
502 char *username = NULL,
503 *domain = NULL,
504 *nt_username = NULL,
505 *fullname = NULL,
506 *homedir = NULL,
507 *dir_drive = NULL,
508 *logon_script = NULL,
509 *profile_path = NULL,
510 *acct_desc = NULL,
511 *workstations = NULL,
512 *munged_dial = NULL;
513 uint32_t user_rid;
514 uint8 smblmpwd[LM_HASH_LEN],
515 smbntpwd[NT_HASH_LEN];
516 bool use_samba_attrs = True;
517 uint32_t acct_ctrl = 0;
518 uint16_t logon_divs;
519 uint16_t bad_password_count = 0,
520 logon_count = 0;
521 uint32_t hours_len;
522 uint8 hours[MAX_HOURS_LEN];
523 char *temp = NULL;
524 struct login_cache cache_entry;
525 uint32_t pwHistLen;
526 bool expand_explicit = lp_passdb_expand_explicit();
527 bool ret = false;
528 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
529
530 if (!ctx) {
531 return false;
532 }
533 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
534 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
535 goto fn_exit;
536 }
537
538 if (priv2ld(ldap_state) == NULL) {
539 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
540 "ldap_struct is NULL!\n"));
541 goto fn_exit;
542 }
543
544 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
545 entry,
546 "uid",
547 ctx))) {
548 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
549 "this user!\n"));
550 goto fn_exit;
551 }
552
553 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
554
555 nt_username = talloc_strdup(ctx, username);
556 if (!nt_username) {
557 goto fn_exit;
558 }
559
560 domain = talloc_strdup(ctx, ldap_state->domain_name);
561 if (!domain) {
562 goto fn_exit;
563 }
564
565 pdb_set_username(sampass, username, PDB_SET);
566
567 pdb_set_domain(sampass, domain, PDB_DEFAULT);
568 pdb_set_nt_username(sampass, nt_username, PDB_SET);
569
570 /* deal with different attributes between the schema first */
571
572 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
573 if ((temp = smbldap_talloc_single_attribute(
574 ldap_state->smbldap_state->ldap_struct,
575 entry,
576 get_userattr_key2string(ldap_state->schema_ver,
577 LDAP_ATTR_USER_SID),
578 ctx))!=NULL) {
579 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
580 }
581 } else {
582 if ((temp = smbldap_talloc_single_attribute(
583 ldap_state->smbldap_state->ldap_struct,
584 entry,
585 get_userattr_key2string(ldap_state->schema_ver,
586 LDAP_ATTR_USER_RID),
587 ctx))!=NULL) {
588 user_rid = (uint32_t)atol(temp);
589 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
590 }
591 }
592
593 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
594 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 get_userattr_key2string(ldap_state->schema_ver,
598 LDAP_ATTR_USER_RID),
599 username));
600 return False;
601 }
602
603 temp = smbldap_talloc_single_attribute(
604 ldap_state->smbldap_state->ldap_struct,
605 entry,
606 get_userattr_key2string(ldap_state->schema_ver,
607 LDAP_ATTR_PWD_LAST_SET),
608 ctx);
609 if (temp) {
610 pass_last_set_time = (time_t) atol(temp);
611 pdb_set_pass_last_set_time(sampass,
612 pass_last_set_time, PDB_SET);
613 }
614
615 temp = smbldap_talloc_single_attribute(
616 ldap_state->smbldap_state->ldap_struct,
617 entry,
618 get_userattr_key2string(ldap_state->schema_ver,
619 LDAP_ATTR_LOGON_TIME),
620 ctx);
621 if (temp) {
622 logon_time = (time_t) atol(temp);
623 pdb_set_logon_time(sampass, logon_time, PDB_SET);
624 }
625
626 temp = smbldap_talloc_single_attribute(
627 ldap_state->smbldap_state->ldap_struct,
628 entry,
629 get_userattr_key2string(ldap_state->schema_ver,
630 LDAP_ATTR_LOGOFF_TIME),
631 ctx);
632 if (temp) {
633 logoff_time = (time_t) atol(temp);
634 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
635 }
636
637 temp = smbldap_talloc_single_attribute(
638 ldap_state->smbldap_state->ldap_struct,
639 entry,
640 get_userattr_key2string(ldap_state->schema_ver,
641 LDAP_ATTR_KICKOFF_TIME),
642 ctx);
643 if (temp) {
644 kickoff_time = (time_t) atol(temp);
645 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
646 }
647
648 temp = smbldap_talloc_single_attribute(
649 ldap_state->smbldap_state->ldap_struct,
650 entry,
651 get_userattr_key2string(ldap_state->schema_ver,
652 LDAP_ATTR_PWD_CAN_CHANGE),
653 ctx);
654 if (temp) {
655 pass_can_change_time = (time_t) atol(temp);
656 pdb_set_pass_can_change_time(sampass,
657 pass_can_change_time, PDB_SET);
658 }
659
660 temp = smbldap_talloc_single_attribute(
661 ldap_state->smbldap_state->ldap_struct,
662 entry,
663 get_userattr_key2string(ldap_state->schema_ver,
664 LDAP_ATTR_PWD_MUST_CHANGE),
665 ctx);
666 if (temp) {
667 pass_must_change_time = (time_t) atol(temp);
668 pdb_set_pass_must_change_time(sampass,
669 pass_must_change_time, PDB_SET);
670 }
671
672 /* recommend that 'gecos' and 'displayName' should refer to the same
673 * attribute OID. userFullName depreciated, only used by Samba
674 * primary rules of LDAP: don't make a new attribute when one is already defined
675 * that fits your needs; using cn then displayName rather than 'userFullName'
676 */
677
678 fullname = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_DISPLAY_NAME),
683 ctx);
684 if (fullname) {
685 pdb_set_fullname(sampass, fullname, PDB_SET);
686 } else {
687 fullname = smbldap_talloc_single_attribute(
688 ldap_state->smbldap_state->ldap_struct,
689 entry,
690 get_userattr_key2string(ldap_state->schema_ver,
691 LDAP_ATTR_CN),
692 ctx);
693 if (fullname) {
694 pdb_set_fullname(sampass, fullname, PDB_SET);
695 }
696 }
697
698 dir_drive = smbldap_talloc_single_attribute(
699 ldap_state->smbldap_state->ldap_struct,
700 entry,
701 get_userattr_key2string(ldap_state->schema_ver,
702 LDAP_ATTR_HOME_DRIVE),
703 ctx);
704 if (dir_drive) {
705 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
706 } else {
707 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
708 }
709
710 homedir = smbldap_talloc_single_attribute(
711 ldap_state->smbldap_state->ldap_struct,
712 entry,
713 get_userattr_key2string(ldap_state->schema_ver,
714 LDAP_ATTR_HOME_PATH),
715 ctx);
716 if (homedir) {
717 if (expand_explicit) {
718 homedir = talloc_sub_basic(ctx,
719 username,
720 domain,
721 homedir);
722 if (!homedir) {
723 goto fn_exit;
724 }
725 }
726 pdb_set_homedir(sampass, homedir, PDB_SET);
727 } else {
728 pdb_set_homedir(sampass,
729 talloc_sub_basic(ctx, username, domain,
730 lp_logon_home()),
731 PDB_DEFAULT);
732 }
733
734 logon_script = smbldap_talloc_single_attribute(
735 ldap_state->smbldap_state->ldap_struct,
736 entry,
737 get_userattr_key2string(ldap_state->schema_ver,
738 LDAP_ATTR_LOGON_SCRIPT),
739 ctx);
740 if (logon_script) {
741 if (expand_explicit) {
742 logon_script = talloc_sub_basic(ctx,
743 username,
744 domain,
745 logon_script);
746 if (!logon_script) {
747 goto fn_exit;
748 }
749 }
750 pdb_set_logon_script(sampass, logon_script, PDB_SET);
751 } else {
752 pdb_set_logon_script(sampass,
753 talloc_sub_basic(ctx, username, domain,
754 lp_logon_script()),
755 PDB_DEFAULT );
756 }
757
758 profile_path = smbldap_talloc_single_attribute(
759 ldap_state->smbldap_state->ldap_struct,
760 entry,
761 get_userattr_key2string(ldap_state->schema_ver,
762 LDAP_ATTR_PROFILE_PATH),
763 ctx);
764 if (profile_path) {
765 if (expand_explicit) {
766 profile_path = talloc_sub_basic(ctx,
767 username,
768 domain,
769 profile_path);
770 if (!profile_path) {
771 goto fn_exit;
772 }
773 }
774 pdb_set_profile_path(sampass, profile_path, PDB_SET);
775 } else {
776 pdb_set_profile_path(sampass,
777 talloc_sub_basic(ctx, username, domain,
778 lp_logon_path()),
779 PDB_DEFAULT );
780 }
781
782 acct_desc = smbldap_talloc_single_attribute(
783 ldap_state->smbldap_state->ldap_struct,
784 entry,
785 get_userattr_key2string(ldap_state->schema_ver,
786 LDAP_ATTR_DESC),
787 ctx);
788 if (acct_desc) {
789 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
790 }
791
792 workstations = smbldap_talloc_single_attribute(
793 ldap_state->smbldap_state->ldap_struct,
794 entry,
795 get_userattr_key2string(ldap_state->schema_ver,
796 LDAP_ATTR_USER_WKS),
797 ctx);
798 if (workstations) {
799 pdb_set_workstations(sampass, workstations, PDB_SET);
800 }
801
802 munged_dial = smbldap_talloc_single_attribute(
803 ldap_state->smbldap_state->ldap_struct,
804 entry,
805 get_userattr_key2string(ldap_state->schema_ver,
806 LDAP_ATTR_MUNGED_DIAL),
807 ctx);
808 if (munged_dial) {
809 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
810 }
811
812 /* FIXME: hours stuff should be cleaner */
813
814 logon_divs = 168;
815 hours_len = 21;
816 memset(hours, 0xff, hours_len);
817
818 if (ldap_state->is_nds_ldap) {
819 char *user_dn;
820 size_t pwd_len;
821 char clear_text_pw[512];
822
823 /* Make call to Novell eDirectory ldap extension to get clear text password.
824 NOTE: This will only work if we have an SSL connection to eDirectory. */
825 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
826 if (user_dn != NULL) {
827 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
828
829 pwd_len = sizeof(clear_text_pw);
830 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
831 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
832 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
833 TALLOC_FREE(user_dn);
834 return False;
835 }
836 ZERO_STRUCT(smblmpwd);
837 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
838 TALLOC_FREE(user_dn);
839 return False;
840 }
841 ZERO_STRUCT(smbntpwd);
842 use_samba_attrs = False;
843 }
844
845 TALLOC_FREE(user_dn);
846
847 } else {
848 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
849 }
850 }
851
852 if (use_samba_attrs) {
853 temp = smbldap_talloc_single_attribute(
854 ldap_state->smbldap_state->ldap_struct,
855 entry,
856 get_userattr_key2string(ldap_state->schema_ver,
857 LDAP_ATTR_LMPW),
858 ctx);
859 if (temp) {
860 pdb_gethexpwd(temp, smblmpwd);
861 memset((char *)temp, '\0', strlen(temp)+1);
862 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
863 goto fn_exit;
864 }
865 ZERO_STRUCT(smblmpwd);
866 }
867
868 temp = smbldap_talloc_single_attribute(
869 ldap_state->smbldap_state->ldap_struct,
870 entry,
871 get_userattr_key2string(ldap_state->schema_ver,
872 LDAP_ATTR_NTPW),
873 ctx);
874 if (temp) {
875 pdb_gethexpwd(temp, smbntpwd);
876 memset((char *)temp, '\0', strlen(temp)+1);
877 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
878 goto fn_exit;
879 }
880 ZERO_STRUCT(smbntpwd);
881 }
882 }
883
884 pwHistLen = 0;
885
886 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
887 if (pwHistLen > 0){
888 uint8 *pwhist = NULL;
889 int i;
890 char *history_string = TALLOC_ARRAY(ctx, char,
891 MAX_PW_HISTORY_LEN*64);
892
893 if (!history_string) {
894 goto fn_exit;
895 }
896
897 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
898
899 pwhist = TALLOC_ARRAY(ctx, uint8,
900 pwHistLen * PW_HISTORY_ENTRY_LEN);
901 if (pwhist == NULL) {
902 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
903 goto fn_exit;
904 }
905 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
906
907 if (smbldap_get_single_attribute(
908 ldap_state->smbldap_state->ldap_struct,
909 entry,
910 get_userattr_key2string(ldap_state->schema_ver,
911 LDAP_ATTR_PWD_HISTORY),
912 history_string,
913 MAX_PW_HISTORY_LEN*64)) {
914 bool hex_failed = false;
915 for (i = 0; i < pwHistLen; i++){
916 /* Get the 16 byte salt. */
917 if (!pdb_gethexpwd(&history_string[i*64],
918 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
919 hex_failed = true;
920 break;
921 }
922 /* Get the 16 byte MD5 hash of salt+passwd. */
923 if (!pdb_gethexpwd(&history_string[(i*64)+32],
924 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
925 PW_HISTORY_SALT_LEN])) {
926 hex_failed = True;
927 break;
928 }
929 }
930 if (hex_failed) {
931 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
932 username));
933 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
934 }
935 }
936 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
937 goto fn_exit;
938 }
939 }
940
941 temp = smbldap_talloc_single_attribute(
942 ldap_state->smbldap_state->ldap_struct,
943 entry,
944 get_userattr_key2string(ldap_state->schema_ver,
945 LDAP_ATTR_ACB_INFO),
946 ctx);
947 if (temp) {
948 acct_ctrl = pdb_decode_acct_ctrl(temp);
949
950 if (acct_ctrl == 0) {
951 acct_ctrl |= ACB_NORMAL;
952 }
953
954 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
955 } else {
956 acct_ctrl |= ACB_NORMAL;
957 }
958
959 pdb_set_hours_len(sampass, hours_len, PDB_SET);
960 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
961
962 temp = smbldap_talloc_single_attribute(
963 ldap_state->smbldap_state->ldap_struct,
964 entry,
965 get_userattr_key2string(ldap_state->schema_ver,
966 LDAP_ATTR_BAD_PASSWORD_COUNT),
967 ctx);
968 if (temp) {
969 bad_password_count = (uint32_t) atol(temp);
970 pdb_set_bad_password_count(sampass,
971 bad_password_count, PDB_SET);
972 }
973
974 temp = smbldap_talloc_single_attribute(
975 ldap_state->smbldap_state->ldap_struct,
976 entry,
977 get_userattr_key2string(ldap_state->schema_ver,
978 LDAP_ATTR_BAD_PASSWORD_TIME),
979 ctx);
980 if (temp) {
981 bad_password_time = (time_t) atol(temp);
982 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
983 }
984
985
986 temp = smbldap_talloc_single_attribute(
987 ldap_state->smbldap_state->ldap_struct,
988 entry,
989 get_userattr_key2string(ldap_state->schema_ver,
990 LDAP_ATTR_LOGON_COUNT),
991 ctx);
992 if (temp) {
993 logon_count = (uint32_t) atol(temp);
994 pdb_set_logon_count(sampass, logon_count, PDB_SET);
995 }
996
997 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
998
999 temp = smbldap_talloc_single_attribute(
1000 ldap_state->smbldap_state->ldap_struct,
1001 entry,
1002 get_userattr_key2string(ldap_state->schema_ver,
1003 LDAP_ATTR_LOGON_HOURS),
1004 ctx);
1005 if (temp) {
1006 pdb_gethexhours(temp, hours);
1007 memset((char *)temp, '\0', strlen(temp) +1);
1008 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1009 ZERO_STRUCT(hours);
1010 }
1011
1012 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1013 struct passwd unix_pw;
1014 bool have_uid = false;
1015 bool have_gid = false;
1016 struct dom_sid mapped_gsid;
1017 const struct dom_sid *primary_gsid;
1018
1019 ZERO_STRUCT(unix_pw);
1020
1021 unix_pw.pw_name = username;
1022 unix_pw.pw_passwd = discard_const_p(char, "x");
1023
1024 temp = smbldap_talloc_single_attribute(
1025 priv2ld(ldap_state),
1026 entry,
1027 "uidNumber",
1028 ctx);
1029 if (temp) {
1030 /* We've got a uid, feed the cache */
1031 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1032 have_uid = true;
1033 }
1034 temp = smbldap_talloc_single_attribute(
1035 priv2ld(ldap_state),
1036 entry,
1037 "gidNumber",
1038 ctx);
1039 if (temp) {
1040 /* We've got a uid, feed the cache */
1041 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1042 have_gid = true;
1043 }
1044 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1045 priv2ld(ldap_state),
1046 entry,
1047 "gecos",
1048 ctx);
1049 if (unix_pw.pw_gecos) {
1050 unix_pw.pw_gecos = fullname;
1051 }
1052 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1053 priv2ld(ldap_state),
1054 entry,
1055 "homeDirectory",
1056 ctx);
1057 if (unix_pw.pw_dir) {
1058 unix_pw.pw_dir = discard_const_p(char, "");
1059 }
1060 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1061 priv2ld(ldap_state),
1062 entry,
1063 "loginShell",
1064 ctx);
1065 if (unix_pw.pw_shell) {
1066 unix_pw.pw_shell = discard_const_p(char, "");
1067 }
1068
1069 if (have_uid && have_gid) {
1070 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1071 } else {
1072 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1073 }
1074
1075 if (sampass->unix_pw == NULL) {
1076 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1077 pdb_get_username(sampass)));
1078 goto fn_exit;
1079 }
1080
1081 store_uid_sid_cache(pdb_get_user_sid(sampass),
1082 sampass->unix_pw->pw_uid);
1083 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1084 sampass->unix_pw->pw_uid);
1085
1086 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1087 primary_gsid = pdb_get_group_sid(sampass);
1088 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1089 store_gid_sid_cache(primary_gsid,
1090 sampass->unix_pw->pw_gid);
1091 idmap_cache_set_sid2gid(primary_gsid,
1092 sampass->unix_pw->pw_gid);
1093 }
1094 }
1095
1096 /* check the timestamp of the cache vs ldap entry */
1097 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1098 entry))) {
1099 ret = true;
1100 goto fn_exit;
1101 }
1102
1103 /* see if we have newer updates */
1104 if (!login_cache_read(sampass, &cache_entry)) {
1105 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1106 (unsigned int)pdb_get_bad_password_count(sampass),
1107 (unsigned int)pdb_get_bad_password_time(sampass)));
1108 ret = true;
1109 goto fn_exit;
1110 }
1111
1112 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1113 (unsigned int)ldap_entry_time,
1114 (unsigned int)cache_entry.entry_timestamp,
1115 (unsigned int)cache_entry.bad_password_time));
1116
1117 if (ldap_entry_time > cache_entry.entry_timestamp) {
1118 /* cache is older than directory , so
1119 we need to delete the entry but allow the
1120 fields to be written out */
1121 login_cache_delentry(sampass);
1122 } else {
1123 /* read cache in */
1124 pdb_set_acct_ctrl(sampass,
1125 pdb_get_acct_ctrl(sampass) |
1126 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1127 PDB_SET);
1128 pdb_set_bad_password_count(sampass,
1129 cache_entry.bad_password_count,
1130 PDB_SET);
1131 pdb_set_bad_password_time(sampass,
1132 cache_entry.bad_password_time,
1133 PDB_SET);
1134 }
1135
1136 ret = true;
1137
1138 fn_exit:
1139
1140 TALLOC_FREE(ctx);
1141 return ret;
1142 }
1143
1144 /**********************************************************************
1145 Initialize the ldap db from a struct samu. Called on update.
1146 (Based on init_buffer_from_sam in pdb_tdb.c)
1147 *********************************************************************/
1148
1149 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1150 LDAPMessage *existing,
1151 LDAPMod *** mods, struct samu * sampass,
1152 bool (*need_update)(const struct samu *,
1153 enum pdb_elements))
1154 {
1155 char *temp = NULL;
1156 uint32_t rid;
1157
1158 if (mods == NULL || sampass == NULL) {
1159 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1160 return False;
1161 }
1162
1163 *mods = NULL;
1164
1165 /*
1166 * took out adding "objectclass: sambaAccount"
1167 * do this on a per-mod basis
1168 */
1169 if (need_update(sampass, PDB_USERNAME)) {
1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171 "uid", pdb_get_username(sampass));
1172 if (ldap_state->is_nds_ldap) {
1173 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1174 "cn", pdb_get_username(sampass));
1175 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1176 "sn", pdb_get_username(sampass));
1177 }
1178 }
1179
1180 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1181
1182 /* only update the RID if we actually need to */
1183 if (need_update(sampass, PDB_USERSID)) {
1184 fstring sid_string;
1185 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1186
1187 switch ( ldap_state->schema_ver ) {
1188 case SCHEMAVER_SAMBAACCOUNT:
1189 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1190 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1191 sid_string_dbg(user_sid),
1192 sid_string_dbg(
1193 &ldap_state->domain_sid)));
1194 return False;
1195 }
1196 if (asprintf(&temp, "%i", rid) < 0) {
1197 return false;
1198 }
1199 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1200 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1201 temp);
1202 SAFE_FREE(temp);
1203 break;
1204
1205 case SCHEMAVER_SAMBASAMACCOUNT:
1206 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1207 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1208 sid_to_fstring(sid_string, user_sid));
1209 break;
1210
1211 default:
1212 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1213 break;
1214 }
1215 }
1216
1217 /* we don't need to store the primary group RID - so leaving it
1218 'free' to hang off the unix primary group makes life easier */
1219
1220 if (need_update(sampass, PDB_GROUPSID)) {
1221 fstring sid_string;
1222 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1223
1224 switch ( ldap_state->schema_ver ) {
1225 case SCHEMAVER_SAMBAACCOUNT:
1226 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1227 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1228 sid_string_dbg(group_sid),
1229 sid_string_dbg(
1230 &ldap_state->domain_sid)));
1231 return False;
1232 }
1233
1234 if (asprintf(&temp, "%i", rid) < 0) {
1235 return false;
1236 }
1237 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1238 get_userattr_key2string(ldap_state->schema_ver,
1239 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1240 SAFE_FREE(temp);
1241 break;
1242
1243 case SCHEMAVER_SAMBASAMACCOUNT:
1244 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver,
1246 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1247 break;
1248
1249 default:
1250 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1251 break;
1252 }
1253
1254 }
1255
1256 /* displayName, cn, and gecos should all be the same
1257 * most easily accomplished by giving them the same OID
1258 * gecos isn't set here b/c it should be handled by the
1259 * add-user script
1260 * We change displayName only and fall back to cn if
1261 * it does not exist.
1262 */
1263
1264 if (need_update(sampass, PDB_FULLNAME))
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1267 pdb_get_fullname(sampass));
1268
1269 if (need_update(sampass, PDB_ACCTDESC))
1270 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1271 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1272 pdb_get_acct_desc(sampass));
1273
1274 if (need_update(sampass, PDB_WORKSTATIONS))
1275 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1276 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1277 pdb_get_workstations(sampass));
1278
1279 if (need_update(sampass, PDB_MUNGEDDIAL))
1280 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1281 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1282 pdb_get_munged_dial(sampass));
1283
1284 if (need_update(sampass, PDB_SMBHOME))
1285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1286 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1287 pdb_get_homedir(sampass));
1288
1289 if (need_update(sampass, PDB_DRIVE))
1290 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1292 pdb_get_dir_drive(sampass));
1293
1294 if (need_update(sampass, PDB_LOGONSCRIPT))
1295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1297 pdb_get_logon_script(sampass));
1298
1299 if (need_update(sampass, PDB_PROFILE))
1300 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1301 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1302 pdb_get_profile_path(sampass));
1303
1304 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1305 return false;
1306 }
1307 if (need_update(sampass, PDB_LOGONTIME))
1308 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1309 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1310 SAFE_FREE(temp);
1311
1312 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1313 return false;
1314 }
1315 if (need_update(sampass, PDB_LOGOFFTIME))
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1318 SAFE_FREE(temp);
1319
1320 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1321 return false;
1322 }
1323 if (need_update(sampass, PDB_KICKOFFTIME))
1324 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1325 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1326 SAFE_FREE(temp);
1327
1328 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1329 return false;
1330 }
1331 if (need_update(sampass, PDB_CANCHANGETIME))
1332 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1333 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1334 SAFE_FREE(temp);
1335
1336 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1337 return false;
1338 }
1339 if (need_update(sampass, PDB_MUSTCHANGETIME))
1340 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1341 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1342 SAFE_FREE(temp);
1343
1344 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1345 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1346
1347 if (need_update(sampass, PDB_LMPASSWD)) {
1348 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1349 if (lm_pw) {
1350 char pwstr[34];
1351 pdb_sethexpwd(pwstr, lm_pw,
1352 pdb_get_acct_ctrl(sampass));
1353 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1354 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1355 pwstr);
1356 } else {
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1359 NULL);
1360 }
1361 }
1362 if (need_update(sampass, PDB_NTPASSWD)) {
1363 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1364 if (nt_pw) {
1365 char pwstr[34];
1366 pdb_sethexpwd(pwstr, nt_pw,
1367 pdb_get_acct_ctrl(sampass));
1368 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1370 pwstr);
1371 } else {
1372 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1373 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1374 NULL);
1375 }
1376 }
1377
1378 if (need_update(sampass, PDB_PWHISTORY)) {
1379 char *pwstr = NULL;
1380 uint32_t pwHistLen = 0;
1381 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1382
1383 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1384 if (!pwstr) {
1385 return false;
1386 }
1387 if (pwHistLen == 0) {
1388 /* Remove any password history from the LDAP store. */
1389 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1390 pwstr[64] = '\0';
1391 } else {
1392 int i;
1393 uint32_t currHistLen = 0;
1394 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1395 if (pwhist != NULL) {
1396 /* We can only store (1024-1/64 password history entries. */
1397 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1398 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1399 /* Store the salt. */
1400 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1401 /* Followed by the md5 hash of salt + md4 hash */
1402 pdb_sethexpwd(&pwstr[(i*64)+32],
1403 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1404 DEBUG(100, ("pwstr=%s\n", pwstr));
1405 }
1406 }
1407 }
1408 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1409 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1410 pwstr);
1411 SAFE_FREE(pwstr);
1412 }
1413
1414 if (need_update(sampass, PDB_PASSLASTSET)) {
1415 if (asprintf(&temp, "%li",
1416 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1417 return false;
1418 }
1419 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1420 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1421 temp);
1422 SAFE_FREE(temp);
1423 }
1424 }
1425
1426 if (need_update(sampass, PDB_HOURS)) {
1427 const uint8 *hours = pdb_get_hours(sampass);
1428 if (hours) {
1429 char hourstr[44];
1430 pdb_sethexhours(hourstr, hours);
1431 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1432 existing,
1433 mods,
1434 get_userattr_key2string(ldap_state->schema_ver,
1435 LDAP_ATTR_LOGON_HOURS),
1436 hourstr);
1437 }
1438 }
1439
1440 if (need_update(sampass, PDB_ACCTCTRL))
1441 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1442 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1443 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1444
1445 /* password lockout cache:
1446 - If we are now autolocking or clearing, we write to ldap
1447 - If we are clearing, we delete the cache entry
1448 - If the count is > 0, we update the cache
1449
1450 This even means when autolocking, we cache, just in case the
1451 update doesn't work, and we have to cache the autolock flag */
1452
1453 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1454 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1455 uint16_t badcount = pdb_get_bad_password_count(sampass);
1456 time_t badtime = pdb_get_bad_password_time(sampass);
1457 uint32_t pol;
1458 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1459
1460 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1461 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1462
1463 if ((badcount >= pol) || (badcount == 0)) {
1464 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1465 (unsigned int)badcount, (unsigned int)badtime));
1466 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1467 return false;
1468 }
1469 smbldap_make_mod(
1470 ldap_state->smbldap_state->ldap_struct,
1471 existing, mods,
1472 get_userattr_key2string(
1473 ldap_state->schema_ver,
1474 LDAP_ATTR_BAD_PASSWORD_COUNT),
1475 temp);
1476 SAFE_FREE(temp);
1477
1478 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1479 return false;
1480 }
1481 smbldap_make_mod(
1482 ldap_state->smbldap_state->ldap_struct,
1483 existing, mods,
1484 get_userattr_key2string(
1485 ldap_state->schema_ver,
1486 LDAP_ATTR_BAD_PASSWORD_TIME),
1487 temp);
1488 SAFE_FREE(temp);
1489 }
1490 if (badcount == 0) {
1491 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1492 login_cache_delentry(sampass);
1493 } else {
1494 struct login_cache cache_entry;
1495
1496 cache_entry.entry_timestamp = time(NULL);
1497 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1498 cache_entry.bad_password_count = badcount;
1499 cache_entry.bad_password_time = badtime;
1500
1501 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1502 login_cache_write(sampass, &cache_entry);
1503 }
1504 }
1505
1506 return True;
1507 }
1508
1509 /**********************************************************************
1510 End enumeration of the LDAP password list.
1511 *********************************************************************/
1512
1513 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1514 {
1515 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1516 if (ldap_state->result) {
1517 ldap_msgfree(ldap_state->result);
1518 ldap_state->result = NULL;
1519 }
1520 }
1521
1522 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1523 const char *new_attr)
1524 {
1525 int i;
1526
1527 if (new_attr == NULL) {
1528 return;
1529 }
1530
1531 for (i=0; (*attr_list)[i] != NULL; i++) {
1532 ;
1533 }
1534
1535 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1536 const char *, i+2);
1537 SMB_ASSERT((*attr_list) != NULL);
1538 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1539 (*attr_list)[i+1] = NULL;
1540 }
1541
1542 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1543 const char ***attr_list)
1544 {
1545 append_attr(mem_ctx, attr_list, "uidNumber");
1546 append_attr(mem_ctx, attr_list, "gidNumber");
1547 append_attr(mem_ctx, attr_list, "homeDirectory");
1548 append_attr(mem_ctx, attr_list, "loginShell");
1549 append_attr(mem_ctx, attr_list, "gecos");
1550 }
1551
1552 /**********************************************************************
1553 Get struct samu entry from LDAP by username.
1554 *********************************************************************/
1555
1556 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1557 {
1558 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1559 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1560 LDAPMessage *result = NULL;
1561 LDAPMessage *entry = NULL;
1562 int count;
1563 const char ** attr_list;
1564 int rc;
1565
1566 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1567 append_attr(user, &attr_list,
1568 get_userattr_key2string(ldap_state->schema_ver,
1569 LDAP_ATTR_MOD_TIMESTAMP));
1570 ldapsam_add_unix_attributes(user, &attr_list);
1571 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1572 attr_list);
1573 TALLOC_FREE( attr_list );
1574
1575 if ( rc != LDAP_SUCCESS )
1576 return NT_STATUS_NO_SUCH_USER;
1577
1578 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1579
1580 if (count < 1) {
1581 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1582 ldap_msgfree(result);
1583 return NT_STATUS_NO_SUCH_USER;
1584 } else if (count > 1) {
1585 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1586 ldap_msgfree(result);
1587 return NT_STATUS_NO_SUCH_USER;
1588 }
1589
1590 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1591 if (entry) {
1592 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1593 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1594 ldap_msgfree(result);
1595 return NT_STATUS_NO_SUCH_USER;
1596 }
1597 pdb_set_backend_private_data(user, result, NULL,
1598 my_methods, PDB_CHANGED);
1599 talloc_autofree_ldapmsg(user, result);
1600 ret = NT_STATUS_OK;
1601 } else {
1602 ldap_msgfree(result);
1603 }
1604 return ret;
1605 }
1606
1607 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1608 const struct dom_sid *sid, LDAPMessage **result)
1609 {
1610 int rc = -1;
1611 const char ** attr_list;
1612 uint32_t rid;
1613
1614 switch ( ldap_state->schema_ver ) {
1615 case SCHEMAVER_SAMBASAMACCOUNT: {
1616 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1617 if (tmp_ctx == NULL) {
1618 return LDAP_NO_MEMORY;
1619 }
1620
1621 attr_list = get_userattr_list(tmp_ctx,
1622 ldap_state->schema_ver);
1623 append_attr(tmp_ctx, &attr_list,
1624 get_userattr_key2string(
1625 ldap_state->schema_ver,
1626 LDAP_ATTR_MOD_TIMESTAMP));
1627 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1628 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1629 result, attr_list);
1630 TALLOC_FREE(tmp_ctx);
1631
1632 if ( rc != LDAP_SUCCESS )
1633 return rc;
1634 break;
1635 }
1636
1637 case SCHEMAVER_SAMBAACCOUNT:
1638 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1639 return rc;
1640 }
1641
1642 attr_list = get_userattr_list(NULL,
1643 ldap_state->schema_ver);
1644 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1645 TALLOC_FREE( attr_list );
1646
1647 if ( rc != LDAP_SUCCESS )
1648 return rc;
1649 break;
1650 }
1651 return rc;
1652 }
1653
1654 /**********************************************************************
1655 Get struct samu entry from LDAP by SID.
1656 *********************************************************************/
1657
1658 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1659 {
1660 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1661 LDAPMessage *result = NULL;
1662 LDAPMessage *entry = NULL;
1663 int count;
1664 int rc;
1665
1666 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1667 sid, &result);
1668 if (rc != LDAP_SUCCESS)
1669 return NT_STATUS_NO_SUCH_USER;
1670
1671 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1672
1673 if (count < 1) {
1674 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1675 "count=%d\n", sid_string_dbg(sid), count));
1676 ldap_msgfree(result);
1677 return NT_STATUS_NO_SUCH_USER;
1678 } else if (count > 1) {
1679 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1680 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1681 count));
1682 ldap_msgfree(result);
1683 return NT_STATUS_NO_SUCH_USER;
1684 }
1685
1686 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1687 if (!entry) {
1688 ldap_msgfree(result);
1689 return NT_STATUS_NO_SUCH_USER;
1690 }
1691
1692 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1693 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1694 ldap_msgfree(result);
1695 return NT_STATUS_NO_SUCH_USER;
1696 }
1697
1698 pdb_set_backend_private_data(user, result, NULL,
1699 my_methods, PDB_CHANGED);
1700 talloc_autofree_ldapmsg(user, result);
1701 return NT_STATUS_OK;
1702 }
1703
1704 /********************************************************************
1705 Do the actual modification - also change a plaintext passord if
1706 it it set.
1707 **********************************************************************/
1708
1709 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1710 struct samu *newpwd, char *dn,
1711 LDAPMod **mods, int ldap_op,
1712 bool (*need_update)(const struct samu *, enum pdb_elements))
1713 {
1714 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1715 int rc;
1716
1717 if (!newpwd || !dn) {
1718 return NT_STATUS_INVALID_PARAMETER;
1719 }
1720
1721 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1722 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1723 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1724 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1725 BerElement *ber;
1726 struct berval *bv;
1727 char *retoid = NULL;
1728 struct berval *retdata = NULL;
1729 char *utf8_password;
1730 char *utf8_dn;
1731 size_t converted_size;
1732 int ret;
1733
1734 if (!ldap_state->is_nds_ldap) {
1735
1736 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1737 LDAP_EXOP_MODIFY_PASSWD)) {
1738 DEBUG(2, ("ldap password change requested, but LDAP "
1739 "server does not support it -- ignoring\n"));
1740 return NT_STATUS_OK;
1741 }
1742 }
1743
1744 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1745 pdb_get_plaintext_passwd(newpwd),
1746 &converted_size))
1747 {
1748 return NT_STATUS_NO_MEMORY;
1749 }
1750
1751 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1752 TALLOC_FREE(utf8_password);
1753 return NT_STATUS_NO_MEMORY;
1754 }
1755
1756 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1757 DEBUG(0,("ber_alloc_t returns NULL\n"));
1758 TALLOC_FREE(utf8_password);
1759 TALLOC_FREE(utf8_dn);
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762
1763 if ((ber_printf (ber, "{") < 0) ||
1764 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1765 utf8_dn) < 0)) {
1766 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1767 "value <0\n"));
1768 ber_free(ber,1);
1769 TALLOC_FREE(utf8_dn);
1770 TALLOC_FREE(utf8_password);
1771 return NT_STATUS_UNSUCCESSFUL;
1772 }
1773
1774 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1775 ret = ber_printf(ber, "ts}",
1776 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1777 utf8_password);
1778 } else {
1779 ret = ber_printf(ber, "}");
1780 }
1781
1782 if (ret < 0) {
1783 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1784 "value <0\n"));
1785 ber_free(ber,1);
1786 TALLOC_FREE(utf8_dn);
1787 TALLOC_FREE(utf8_password);
1788 return NT_STATUS_UNSUCCESSFUL;
1789 }
1790
1791 if ((rc = ber_flatten (ber, &bv))<0) {
1792 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1793 ber_free(ber,1);
1794 TALLOC_FREE(utf8_dn);
1795 TALLOC_FREE(utf8_password);
1796 return NT_STATUS_UNSUCCESSFUL;
1797 }
1798
1799 TALLOC_FREE(utf8_dn);
1800 TALLOC_FREE(utf8_password);
1801 ber_free(ber, 1);
1802
1803 if (!ldap_state->is_nds_ldap) {
1804 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1805 LDAP_EXOP_MODIFY_PASSWD,
1806 bv, NULL, NULL, &retoid,
1807 &retdata);
1808 } else {
1809 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1810 pdb_get_plaintext_passwd(newpwd));
1811 }
1812 if (rc != LDAP_SUCCESS) {
1813 char *ld_error = NULL;
1814
1815 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1816 DEBUG(3, ("Could not set userPassword "
1817 "attribute due to an objectClass "
1818 "violation -- ignoring\n"));
1819 ber_bvfree(bv);
1820 return NT_STATUS_OK;
1821 }
1822
1823 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1824 &ld_error);
1825 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1826 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1827 SAFE_FREE(ld_error);
1828 ber_bvfree(bv);
1829 #if defined(LDAP_CONSTRAINT_VIOLATION)
1830 if (rc == LDAP_CONSTRAINT_VIOLATION)
1831 return NT_STATUS_PASSWORD_RESTRICTION;
1832 #endif
1833 return NT_STATUS_UNSUCCESSFUL;
1834 } else {
1835 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1836 #ifdef DEBUG_PASSWORD
1837 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1838 #endif
1839 if (retdata)
1840 ber_bvfree(retdata);
1841 if (retoid)
1842 ldap_memfree(retoid);
1843 }
1844 ber_bvfree(bv);
1845 }
1846
1847 if (!mods) {
1848 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1849 /* may be password change below however */
1850 } else {
1851 switch(ldap_op) {
1852 case LDAP_MOD_ADD:
1853 if (ldap_state->is_nds_ldap) {
1854 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1855 "objectclass",
1856 "inetOrgPerson");
1857 } else {
1858 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1859 "objectclass",
1860 LDAP_OBJ_ACCOUNT);
1861 }
1862 rc = smbldap_add(ldap_state->smbldap_state,
1863 dn, mods);
1864 break;
1865 case LDAP_MOD_REPLACE:
1866 rc = smbldap_modify(ldap_state->smbldap_state,
1867 dn ,mods);
1868 break;
1869 default:
1870 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1871 ldap_op));
1872 return NT_STATUS_INVALID_PARAMETER;
1873 }
1874
1875 if (rc!=LDAP_SUCCESS) {
1876 return NT_STATUS_UNSUCCESSFUL;
1877 }
1878 }
1879
1880 return NT_STATUS_OK;
1881 }
1882
1883 /**********************************************************************
1884 Delete entry from LDAP for username.
1885 *********************************************************************/
1886
1887 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1888 struct samu * sam_acct)
1889 {
1890 struct ldapsam_privates *priv =
1891 (struct ldapsam_privates *)my_methods->private_data;
1892 const char *sname;
1893 int rc;
1894 LDAPMessage *msg, *entry;
1895 NTSTATUS result = NT_STATUS_NO_MEMORY;
1896 const char **attr_list;
1897 TALLOC_CTX *mem_ctx;
1898
1899 if (!sam_acct) {
1900 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1901 return NT_STATUS_INVALID_PARAMETER;
1902 }
1903
1904 sname = pdb_get_username(sam_acct);
1905
1906 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1907 "LDAP.\n", sname));
1908
1909 mem_ctx = talloc_new(NULL);
1910 if (mem_ctx == NULL) {
1911 DEBUG(0, ("talloc_new failed\n"));
1912 goto done;
1913 }
1914
1915 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1916 if (attr_list == NULL) {
1917 goto done;
1918 }
1919
1920 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1921
1922 if ((rc != LDAP_SUCCESS) ||
1923 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1924 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1925 DEBUG(5, ("Could not find user %s\n", sname));
1926 result = NT_STATUS_NO_SUCH_USER;
1927 goto done;
1928 }
1929
1930 rc = ldapsam_delete_entry(
1931 priv, mem_ctx, entry,
1932 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1933 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1934 attr_list);
1935
1936 result = (rc == LDAP_SUCCESS) ?
1937 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1938
1939 done:
1940 TALLOC_FREE(mem_ctx);
1941 return result;
1942 }
1943
1944 /**********************************************************************
1945 Helper function to determine for update_sam_account whether
1946 we need LDAP modification.
1947 *********************************************************************/
1948
1949 static bool element_is_changed(const struct samu *sampass,
1950 enum pdb_elements element)
1951 {
1952 return IS_SAM_CHANGED(sampass, element);
1953 }
1954
1955 /**********************************************************************
1956 Update struct samu.
1957 *********************************************************************/
1958
1959 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1960 {
1961 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1962 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1963 int rc = 0;
1964 char *dn;
1965 LDAPMessage *result = NULL;
1966 LDAPMessage *entry = NULL;
1967 LDAPMod **mods = NULL;
1968 const char **attr_list;
1969
1970 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1971 if (!result) {
1972 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1973 if (pdb_get_username(newpwd) == NULL) {
1974 return NT_STATUS_INVALID_PARAMETER;
1975 }
1976 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1977 TALLOC_FREE( attr_list );
1978 if (rc != LDAP_SUCCESS) {
1979 return NT_STATUS_UNSUCCESSFUL;
1980 }
1981 pdb_set_backend_private_data(newpwd, result, NULL,
1982 my_methods, PDB_CHANGED);
1983 talloc_autofree_ldapmsg(newpwd, result);
1984 }
1985
1986 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1987 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1988 return NT_STATUS_UNSUCCESSFUL;
1989 }
1990
1991 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1992 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1993 if (!dn) {
1994 return NT_STATUS_UNSUCCESSFUL;
1995 }
1996
1997 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1998
1999 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2000 element_is_changed)) {
2001 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2002 TALLOC_FREE(dn);
2003 if (mods != NULL)
2004 ldap_mods_free(mods,True);
2005 return NT_STATUS_UNSUCCESSFUL;
2006 }
2007
2008 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2009 && (mods == NULL)) {
2010 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2011 pdb_get_username(newpwd)));
2012 TALLOC_FREE(dn);
2013 return NT_STATUS_OK;
2014 }
2015
2016 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2017
2018 if (mods != NULL) {
2019 ldap_mods_free(mods,True);
2020 }
2021
2022 TALLOC_FREE(dn);
2023
2024 /*
2025 * We need to set the backend private data to NULL here. For example
2026 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2027 * same one, and with the explicit delete / add logic for attribute
2028 * values the second time we would use the wrong "old" value which
2029 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2030 * the update.
2031 * The existing LDAPMessage is still being auto-freed by the
2032 * destructor.
2033 */
2034 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2035 PDB_CHANGED);
2036
2037 if (!NT_STATUS_IS_OK(ret)) {
2038 return ret;
2039 }
2040
2041 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2042 pdb_get_username(newpwd)));
2043 return NT_STATUS_OK;
2044 }
2045
2046 /***************************************************************************
2047 Renames a struct samu
2048 - The "rename user script" has full responsibility for changing everything
2049 ***************************************************************************/
2050
2051 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2052 TALLOC_CTX *tmp_ctx,
2053 uint32_t group_rid,
2054 uint32_t member_rid);
2055
2056 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2057 TALLOC_CTX *mem_ctx,
2058 struct samu *user,
2059 struct dom_sid **pp_sids,
2060 gid_t **pp_gids,
2061 uint32_t *p_num_groups);
2062
2063 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2064 struct samu *old_acct,
2065 const char *newname)
2066 {
2067 const char *oldname;
2068 int rc;
2069 char *rename_script = NULL;
2070 fstring oldname_lower, newname_lower;
2071
2072 if (!old_acct) {
2073 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2074 return NT_STATUS_INVALID_PARAMETER;
2075 }
2076 if (!newname) {
2077 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2078 return NT_STATUS_INVALID_PARAMETER;
2079 }
2080
2081 oldname = pdb_get_username(old_acct);
2082
2083 /* rename the posix user */
2084 rename_script = SMB_STRDUP(lp_renameuser_script());
2085 if (rename_script == NULL) {
2086 return NT_STATUS_NO_MEMORY;
2087 }
2088
2089 if (!(*rename_script)) {
2090 SAFE_FREE(rename_script);
2091 return NT_STATUS_ACCESS_DENIED;
2092 }
2093
2094 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2095 oldname, newname));
2096
2097 /* We have to allow the account name to end with a '$'.
2098 Also, follow the semantics in _samr_create_user() and lower case the
2099 posix name but preserve the case in passdb */
2100
2101 fstrcpy( oldname_lower, oldname );
2102 strlower_m( oldname_lower );
2103 fstrcpy( newname_lower, newname );
2104 strlower_m( newname_lower );
2105 rename_script = realloc_string_sub2(rename_script,
2106 "%unew",
2107 newname_lower,
2108 true,
2109 true);
2110 if (!rename_script) {
2111 return NT_STATUS_NO_MEMORY;
2112 }
2113 rename_script = realloc_string_sub2(rename_script,
2114 "%uold",
2115 oldname_lower,
2116 true,
2117 true);
2118 rc = smbrun(rename_script, NULL);
2119
2120 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2121 rename_script, rc));
2122
2123 SAFE_FREE(rename_script);
2124
2125 if (rc == 0) {
2126 smb_nscd_flush_user_cache();
2127 }
2128
2129 if (rc)
2130 return NT_STATUS_UNSUCCESSFUL;
2131
2132 return NT_STATUS_OK;
2133 }
2134
2135 /**********************************************************************
2136 Helper function to determine for update_sam_account whether
2137 we need LDAP modification.
2138 *********************************************************************/
2139
2140 static bool element_is_set_or_changed(const struct samu *sampass,
2141 enum pdb_elements element)
2142 {
2143 return (IS_SAM_SET(sampass, element) ||
2144 IS_SAM_CHANGED(sampass, element));
2145 }
2146
2147 /**********************************************************************
2148 Add struct samu to LDAP.
2149 *********************************************************************/
2150
2151 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2152 {
2153 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2154 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2155 int rc;
2156 LDAPMessage *result = NULL;
2157 LDAPMessage *entry = NULL;
2158 LDAPMod **mods = NULL;
2159 int ldap_op = LDAP_MOD_REPLACE;
2160 uint32_t num_result;
2161 const char **attr_list;
2162 char *escape_user = NULL;
2163 const char *username = pdb_get_username(newpwd);
2164 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2165 char *filter = NULL;
2166 char *dn = NULL;
2167 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2168 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2169
2170 if (!ctx) {
2171 return NT_STATUS_NO_MEMORY;
2172 }
2173
2174 if (!username || !*username) {
2175 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2176 status = NT_STATUS_INVALID_PARAMETER;
2177 goto fn_exit;
2178 }
2179
2180 /* free this list after the second search or in case we exit on failure */
2181 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2182
2183 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2184
2185 if (rc != LDAP_SUCCESS) {
2186 goto fn_exit;
2187 }
2188
2189 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2190 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2191 username));
2192 goto fn_exit;
2193 }
2194 ldap_msgfree(result);
2195 result = NULL;
2196
2197 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2198 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2199 sid, &result);
2200 if (rc == LDAP_SUCCESS) {
2201 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2202 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2203 "already in the base, with samba "
2204 "attributes\n", sid_string_dbg(sid)));
2205 goto fn_exit;
2206 }
2207 ldap_msgfree(result);
2208 result = NULL;
2209 }
2210 }
2211
2212 /* does the entry already exist but without a samba attributes?
2213 we need to return the samba attributes here */
2214
2215 escape_user = escape_ldap_string(talloc_tos(), username);
2216 filter = talloc_strdup(attr_list, "(uid=%u)");
2217 if (!filter) {
2218 status = NT_STATUS_NO_MEMORY;
2219 goto fn_exit;
2220 }
2221 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2222 TALLOC_FREE(escape_user);
2223 if (!filter) {
2224 status = NT_STATUS_NO_MEMORY;
2225 goto fn_exit;
2226 }
2227
2228 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2229 filter, attr_list, &result);
2230 if ( rc != LDAP_SUCCESS ) {
2231 goto fn_exit;
2232 }
2233
2234 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2235
2236 if (num_result > 1) {
2237 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2238 goto fn_exit;
2239 }
2240
2241 /* Check if we need to update an existing entry */
2242 if (num_result == 1) {
2243 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2244 ldap_op = LDAP_MOD_REPLACE;
2245 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2246 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2247 if (!dn) {
2248 status = NT_STATUS_NO_MEMORY;
2249 goto fn_exit;
2250 }
2251
2252 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2253
2254 /* There might be a SID for this account already - say an idmap entry */
2255
2256 filter = talloc_asprintf(ctx,
2257 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2258 get_userattr_key2string(ldap_state->schema_ver,
2259 LDAP_ATTR_USER_SID),
2260 sid_string_talloc(ctx, sid),
2261 LDAP_OBJ_IDMAP_ENTRY,
2262 LDAP_OBJ_SID_ENTRY);
2263 if (!filter) {
2264 status = NT_STATUS_NO_MEMORY;
2265 goto fn_exit;
2266 }
2267
2268 /* free old result before doing a new search */
2269 if (result != NULL) {
2270 ldap_msgfree(result);
2271 result = NULL;
2272 }
2273 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2274 filter, attr_list, &result);
2275
2276 if ( rc != LDAP_SUCCESS ) {
2277 goto fn_exit;
2278 }
2279
2280 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2281
2282 if (num_result > 1) {
2283 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2284 goto fn_exit;
2285 }
2286
2287 /* Check if we need to update an existing entry */
2288 if (num_result == 1) {
2289
2290 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2291 ldap_op = LDAP_MOD_REPLACE;
2292 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2293 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2294 if (!dn) {
2295 status = NT_STATUS_NO_MEMORY;
2296 goto fn_exit;
2297 }
2298 }
2299 }
2300
2301 if (num_result == 0) {
2302 char *escape_username;
2303 /* Check if we need to add an entry */
2304 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2305 ldap_op = LDAP_MOD_ADD;
2306
2307 escape_username = escape_rdn_val_string_alloc(username);
2308 if (!escape_username) {
2309 status = NT_STATUS_NO_MEMORY;
2310 goto fn_exit;
2311 }
2312
2313 if (username[strlen(username)-1] == '$') {
2314 dn = talloc_asprintf(ctx,
2315 "uid=%s,%s",
2316 escape_username,
2317 lp_ldap_machine_suffix());
2318 } else {
2319 dn = talloc_asprintf(ctx,
2320 "uid=%s,%s",
2321 escape_username,
2322 lp_ldap_user_suffix());
2323 }
2324
2325 SAFE_FREE(escape_username);
2326 if (!dn) {
2327 status = NT_STATUS_NO_MEMORY;
2328 goto fn_exit;
2329 }
2330 }
2331
2332 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2333 element_is_set_or_changed)) {
2334 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2335 if (mods != NULL) {
2336 ldap_mods_free(mods, true);
2337 }
2338 goto fn_exit;
2339 }
2340
2341 if (mods == NULL) {
2342 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2343 goto fn_exit;
2344 }
2345 switch ( ldap_state->schema_ver ) {
2346 case SCHEMAVER_SAMBAACCOUNT:
2347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2348 break;
2349 case SCHEMAVER_SAMBASAMACCOUNT:
2350 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2351 break;
2352 default:
2353 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2354 break;
2355 }
2356
2357 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2358 if (!NT_STATUS_IS_OK(ret)) {
2359 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2360 pdb_get_username(newpwd),dn));
2361 ldap_mods_free(mods, true);
2362 goto fn_exit;
2363 }
2364
2365 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2366 ldap_mods_free(mods, true);
2367
2368 status = NT_STATUS_OK;
2369
2370 fn_exit:
2371
2372 TALLOC_FREE(ctx);
2373 if (result) {
2374 ldap_msgfree(result);
2375 }
2376 return status;
2377 }
2378
2379 /**********************************************************************
2380 *********************************************************************/
2381
2382 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2383 const char *filter,
2384 LDAPMessage ** result)
2385 {
2386 int scope = LDAP_SCOPE_SUBTREE;
2387 int rc;
2388 const char **attr_list;
2389
2390 attr_list = get_attr_list(NULL, groupmap_attr_list);
2391 rc = smbldap_search(ldap_state->smbldap_state,
2392 lp_ldap_suffix (), scope,
2393 filter, attr_list, 0, result);
2394 TALLOC_FREE(attr_list);
2395
2396 return rc;
2397 }
2398
2399 /**********************************************************************
2400 *********************************************************************/
2401
2402 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2403 GROUP_MAP *map, LDAPMessage *entry)
2404 {
2405 char *temp = NULL;
2406 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2407
2408 if (ldap_state == NULL || map == NULL || entry == NULL ||
2409 ldap_state->smbldap_state->ldap_struct == NULL) {
2410 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2411 TALLOC_FREE(ctx);
2412 return false;
2413 }
2414
2415 temp = smbldap_talloc_single_attribute(
2416 ldap_state->smbldap_state->ldap_struct,
2417 entry,
2418 get_attr_key2string(groupmap_attr_list,
2419 LDAP_ATTR_GIDNUMBER),
2420 ctx);
2421 if (!temp) {
2422 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2423 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2424 TALLOC_FREE(ctx);
2425 return false;
2426 }
2427 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2428
2429 map->gid = (gid_t)atol(temp);
2430
2431 TALLOC_FREE(temp);
2432 temp = smbldap_talloc_single_attribute(
2433 ldap_state->smbldap_state->ldap_struct,
2434 entry,
2435 get_attr_key2string(groupmap_attr_list,
2436 LDAP_ATTR_GROUP_SID),
2437 ctx);
2438 if (!temp) {
2439 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2440 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2441 TALLOC_FREE(ctx);
2442 return false;
2443 }
2444
2445 if (!string_to_sid(&map->sid, temp)) {
2446 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2447 TALLOC_FREE(ctx);
2448 return false;
2449 }
2450
2451 TALLOC_FREE(temp);
2452 temp = smbldap_talloc_single_attribute(
2453 ldap_state->smbldap_state->ldap_struct,
2454 entry,
2455 get_attr_key2string(groupmap_attr_list,
2456 LDAP_ATTR_GROUP_TYPE),
2457 ctx);
2458 if (!temp) {
2459 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2460 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2461 TALLOC_FREE(ctx);
2462 return false;
2463 }
2464 map->sid_name_use = (enum lsa_SidType)atol(temp);
2465
2466 if ((map->sid_name_use < SID_NAME_USER) ||
2467 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2468 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2469 TALLOC_FREE(ctx);
2470 return false;
2471 }
2472
2473 TALLOC_FREE(temp);
2474 temp = smbldap_talloc_single_attribute(
2475 ldap_state->smbldap_state->ldap_struct,
2476 entry,
2477 get_attr_key2string(groupmap_attr_list,
2478 LDAP_ATTR_DISPLAY_NAME),
2479 ctx);
2480 if (!temp) {
2481 temp = smbldap_talloc_single_attribute(
2482 ldap_state->smbldap_state->ldap_struct,
2483 entry,
2484 get_attr_key2string(groupmap_attr_list,
2485 LDAP_ATTR_CN),
2486 ctx);
2487 if (!temp) {
2488 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2489 for gidNumber(%lu)\n",(unsigned long)map->gid));
2490 TALLOC_FREE(ctx);
2491 return false;
2492 }
2493 }
2494 fstrcpy(map->nt_name, temp);
2495
2496 TALLOC_FREE(temp);
2497 temp = smbldap_talloc_single_attribute(
2498 ldap_state->smbldap_state->ldap_struct,
2499 entry,
2500 get_attr_key2string(groupmap_attr_list,
2501 LDAP_ATTR_DESC),
2502 ctx);
2503 if (!temp) {
2504 temp = talloc_strdup(ctx, "");
2505 if (!temp) {
2506 TALLOC_FREE(ctx);
2507 return false;
2508 }
2509 }
2510 fstrcpy(map->comment, temp);
2511
2512 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2513 store_gid_sid_cache(&map->sid, map->gid);
2514 idmap_cache_set_sid2gid(&map->sid, map->gid);
2515 }
2516
2517 TALLOC_FREE(ctx);
2518 return true;
2519 }
2520
2521 /**********************************************************************
2522 *********************************************************************/
2523
2524 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2525 const char *filter,
2526 GROUP_MAP *map)
2527 {
2528 struct ldapsam_privates *ldap_state =
2529 (struct ldapsam_privates *)methods->private_data;
2530 LDAPMessage *result = NULL;
2531 LDAPMessage *entry = NULL;
2532 int count;
2533
2534 if (ldapsam_search_one_group(ldap_state, filter, &result)
2535 != LDAP_SUCCESS) {
2536 return NT_STATUS_NO_SUCH_GROUP;
2537 }
2538
2539 count = ldap_count_entries(priv2ld(ldap_state), result);
2540
2541 if (count < 1) {
2542 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2543 "%s\n", filter));
2544 ldap_msgfree(result);
2545 return NT_STATUS_NO_SUCH_GROUP;
2546 }
2547
2548 if (count > 1) {
2549 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2550 "count=%d\n", filter, count));
2551 ldap_msgfree(result);
2552 return NT_STATUS_NO_SUCH_GROUP;
2553 }
2554
2555 entry = ldap_first_entry(priv2ld(ldap_state), result);
2556
2557 if (!entry) {
2558 ldap_msgfree(result);
2559 return NT_STATUS_UNSUCCESSFUL;
2560 }
2561
2562 if (!init_group_from_ldap(ldap_state, map, entry)) {
2563 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2564 "group filter %s\n", filter));
2565 ldap_msgfree(result);
2566 return NT_STATUS_NO_SUCH_GROUP;
2567 }
2568
2569 ldap_msgfree(result);
2570 return NT_STATUS_OK;
2571 }
2572
2573 /**********************************************************************
2574 *********************************************************************/
2575
2576 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2577 struct dom_sid sid)
2578 {
2579 char *filter = NULL;
2580 NTSTATUS status;
2581 fstring tmp;
2582
2583 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2584 LDAP_OBJ_GROUPMAP,
2585 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2586 sid_to_fstring(tmp, &sid)) < 0) {
2587 return NT_STATUS_NO_MEMORY;
2588 }
2589
2590 status = ldapsam_getgroup(methods, filter, map);
2591 SAFE_FREE(filter);
2592 return status;
2593 }
2594
2595 /**********************************************************************
2596 *********************************************************************/
2597
2598 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2599 gid_t gid)
2600 {
2601 char *filter = NULL;
2602 NTSTATUS status;
2603
2604 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2605 LDAP_OBJ_GROUPMAP,
2606 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2607 (unsigned long)gid) < 0) {
2608 return NT_STATUS_NO_MEMORY;
2609 }
2610
2611 status = ldapsam_getgroup(methods, filter, map);
2612 SAFE_FREE(filter);
2613 return status;
2614 }
2615
2616 /**********************************************************************
2617 *********************************************************************/
2618
2619 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2620 const char *name)
2621 {
2622 char *filter = NULL;
2623 char *escape_name = escape_ldap_string(talloc_tos(), name);
2624 NTSTATUS status;
2625
2626 if (!escape_name) {
2627 return NT_STATUS_NO_MEMORY;
2628 }
2629
2630 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2631 LDAP_OBJ_GROUPMAP,
2632 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2633 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2634 escape_name) < 0) {
2635 TALLOC_FREE(escape_name);
2636 return NT_STATUS_NO_MEMORY;
2637 }
2638
2639 TALLOC_FREE(escape_name);
2640 status = ldapsam_getgroup(methods, filter, map);
2641 SAFE_FREE(filter);
2642 return status;
2643 }
2644
2645 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2646 LDAPMessage *entry,
2647 const struct dom_sid *domain_sid,
2648 uint32_t *rid)
2649 {
2650 fstring str;
2651 struct dom_sid sid;
2652
2653 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2654 str, sizeof(str)-1)) {
2655 DEBUG(10, ("Could not find sambaSID attribute\n"));
2656 return False;
2657 }
2658
2659 if (!string_to_sid(&sid, str)) {
2660 DEBUG(10, ("Could not convert string %s to sid\n", str));
2661 return False;
2662 }
2663
2664 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2665 DEBUG(10, ("SID %s is not in expected domain %s\n",
2666 str, sid_string_dbg(domain_sid)));
2667 return False;
2668 }
2669
2670 if (!sid_peek_rid(&sid, rid)) {
2671 DEBUG(10, ("Could not peek into RID\n"));
2672 return False;
2673 }
2674
2675 return True;
2676 }
2677
2678 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2679 TALLOC_CTX *mem_ctx,
2680 const struct dom_sid *group,
2681 uint32_t **pp_member_rids,
2682 size_t *p_num_members)
2683 {
2684 struct ldapsam_privates *ldap_state =
2685 (struct ldapsam_privates *)methods->private_data;
2686 struct smbldap_state *conn = ldap_state->smbldap_state;
2687 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2688 const char *sid_attrs[] = { "sambaSID", NULL };
2689 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2690 LDAPMessage *result = NULL;
2691 LDAPMessage *entry;
2692 char *filter;
2693 char **values = NULL;
2694 char **memberuid;
2695 char *gidstr;
2696 int rc, count;
2697
2698 *pp_member_rids = NULL;
2699 *p_num_members = 0;
2700
2701 filter = talloc_asprintf(mem_ctx,
2702 "(&(objectClass=%s)"
2703 "(objectClass=%s)"
2704 "(sambaSID=%s))",
2705 LDAP_OBJ_POSIXGROUP,
2706 LDAP_OBJ_GROUPMAP,
2707 sid_string_talloc(mem_ctx, group));
2708 if (filter == NULL) {
2709 ret = NT_STATUS_NO_MEMORY;
2710 goto done;
2711 }
2712
2713 rc = smbldap_search(conn, lp_ldap_suffix(),
2714 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2715 &result);
2716
2717 if (rc != LDAP_SUCCESS)
2718 goto done;
2719
2720 talloc_autofree_ldapmsg(mem_ctx, result);
2721
2722 count = ldap_count_entries(conn->ldap_struct, result);
2723
2724 if (count > 1) {
2725 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2726 sid_string_dbg(group)));
2727 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2728 goto done;
2729 }
2730
2731 if (count == 0) {
2732 ret = NT_STATUS_NO_SUCH_GROUP;
2733 goto done;
2734 }
2735
2736 entry = ldap_first_entry(conn->ldap_struct, result);
2737 if (entry == NULL)
2738 goto done;
2739
2740 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2741 if (!gidstr) {
2742 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2743 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2744 goto done;
2745 }
2746
2747 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2748
2749 if ((values != NULL) && (values[0] != NULL)) {
2750
2751 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2752 if (filter == NULL) {
2753 ret = NT_STATUS_NO_MEMORY;
2754 goto done;
2755 }
2756
2757 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2758 char *escape_memberuid;
2759
2760 escape_memberuid = escape_ldap_string(talloc_tos(),
2761 *memberuid);
2762 if (escape_memberuid == NULL) {
2763 ret = NT_STATUS_NO_MEMORY;
2764 goto done;
2765 }
2766
2767 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2768 TALLOC_FREE(escape_memberuid);
2769 if (filter == NULL) {
2770 ret = NT_STATUS_NO_MEMORY;
2771 goto done;
2772 }
2773 }
2774
2775 filter = talloc_asprintf_append_buffer(filter, "))");
2776 if (filter == NULL) {
2777 ret = NT_STATUS_NO_MEMORY;
2778 goto done;
2779 }
2780
2781 rc = smbldap_search(conn, lp_ldap_suffix(),
2782 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2783 &result);
2784
2785 if (rc != LDAP_SUCCESS)
2786 goto done;
2787
2788 count = ldap_count_entries(conn->ldap_struct, result);
2789 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2790
2791 talloc_autofree_ldapmsg(mem_ctx, result);
2792
2793 for (entry = ldap_first_entry(conn->ldap_struct, result);
2794 entry != NULL;
2795 entry = ldap_next_entry(conn->ldap_struct, entry))
2796 {
2797 char *sidstr;
2798 struct dom_sid sid;
2799 uint32_t rid;
2800
2801 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2802 entry, "sambaSID",
2803 mem_ctx);
2804 if (!sidstr) {
2805 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2806 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2807 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2808 goto done;
2809 }
2810
2811 if (!string_to_sid(&sid, sidstr))
2812 goto done;
2813
2814 if (!sid_check_is_in_our_domain(&sid)) {
2815 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2816 "in our domain\n"));
2817 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2818 goto done;
2819 }
2820
2821 sid_peek_rid(&sid, &rid);
2822
2823 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2824 p_num_members)) {
2825 ret = NT_STATUS_NO_MEMORY;
2826 goto done;
2827 }
2828 }
2829 }
2830
2831 filter = talloc_asprintf(mem_ctx,
2832 "(&(objectClass=%s)"
2833 "(gidNumber=%s))",
2834 LDAP_OBJ_SAMBASAMACCOUNT,
2835 gidstr);
2836
2837 rc = smbldap_search(conn, lp_ldap_suffix(),
2838 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2839 &result);
2840
2841 if (rc != LDAP_SUCCESS)
2842 goto done;
2843
2844 talloc_autofree_ldapmsg(mem_ctx, result);
2845
2846 for (entry = ldap_first_entry(conn->ldap_struct, result);
2847 entry != NULL;
2848 entry = ldap_next_entry(conn->ldap_struct, entry))
2849 {
2850 uint32_t rid;
2851
2852 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2853 entry,
2854 get_global_sam_sid(),
2855 &rid)) {
2856 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2857 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2858 goto done;
2859 }
2860
2861 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2862 p_num_members)) {
2863 ret = NT_STATUS_NO_MEMORY;
2864 goto done;
2865 }
2866 }
2867
2868 ret = NT_STATUS_OK;
2869
2870 done:
2871
2872 if (values)
2873 ldap_value_free(values);
2874
2875 return ret;
2876 }
2877
2878 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2879 TALLOC_CTX *mem_ctx,
2880 struct samu *user,
2881 struct dom_sid **pp_sids,
2882 gid_t **pp_gids,
2883 uint32_t *p_num_groups)
2884 {
2885 struct ldapsam_privates *ldap_state =
2886 (struct ldapsam_privates *)methods->private_data;
2887 struct smbldap_state *conn = ldap_state->smbldap_state;
2888 char *filter;
2889 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2890 char *escape_name;
2891 int rc, count;
2892 LDAPMessage *result = NULL;
2893 LDAPMessage *entry;
2894 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2895 uint32_t num_sids;
2896 uint32_t num_gids;
2897 char *gidstr;
2898 gid_t primary_gid = -1;
2899
2900 *pp_sids = NULL;
2901 num_sids = 0;
2902
2903 if (pdb_get_username(user) == NULL) {
2904 return NT_STATUS_INVALID_PARAMETER;
2905 }
2906
2907 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2908 if (escape_name == NULL)
2909 return NT_STATUS_NO_MEMORY;
2910
2911 if (user->unix_pw) {
2912 primary_gid = user->unix_pw->pw_gid;
2913 } else {
2914 /* retrieve the users primary gid */
2915 filter = talloc_asprintf(mem_ctx,
2916 "(&(objectClass=%s)(uid=%s))",
2917 LDAP_OBJ_SAMBASAMACCOUNT,
2918 escape_name);
2919 if (filter == NULL) {
2920 ret = NT_STATUS_NO_MEMORY;
2921 goto done;
2922 }
2923
2924 rc = smbldap_search(conn, lp_ldap_suffix(),
2925 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2926
2927 if (rc != LDAP_SUCCESS)
2928 goto done;
2929
2930 talloc_autofree_ldapmsg(mem_ctx, result);
2931
2932 count = ldap_count_entries(priv2ld(ldap_state), result);
2933
2934 switch (count) {
2935 case 0:
2936 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2937 ret = NT_STATUS_NO_SUCH_USER;
2938 goto done;
2939 case 1:
2940 entry = ldap_first_entry(priv2ld(ldap_state), result);
2941
2942 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2943 if (!gidstr) {
2944 DEBUG (1, ("Unable to find the member's gid!\n"));
2945 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2946 goto done;
2947 }
2948 primary_gid = strtoul(gidstr, NULL, 10);
2949 break;
2950 default:
2951 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2952 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2953 goto done;
2954 }
2955 }
2956
2957 filter = talloc_asprintf(mem_ctx,
2958 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2959 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2960 if (filter == NULL) {
2961 ret = NT_STATUS_NO_MEMORY;
2962 goto done;
2963 }
2964
2965 rc = smbldap_search(conn, lp_ldap_suffix(),
2966 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2967
2968 if (rc != LDAP_SUCCESS)
2969 goto done;
2970
2971 talloc_autofree_ldapmsg(mem_ctx, result);
2972
2973 num_gids = 0;
2974 *pp_gids = NULL;
2975
2976 num_sids = 0;
2977 *pp_sids = NULL;
2978
2979 /* We need to add the primary group as the first gid/sid */
2980
2981 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2982 ret = NT_STATUS_NO_MEMORY;
2983 goto done;
2984 }
2985
2986 /* This sid will be replaced later */
2987
2988 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2989 &num_sids);
2990 if (!NT_STATUS_IS_OK(ret)) {
2991 goto done;
2992 }
2993
2994 for (entry = ldap_first_entry(conn->ldap_struct, result);
2995 entry != NULL;
2996 entry = ldap_next_entry(conn->ldap_struct, entry))
2997 {
2998 fstring str;
2999 struct dom_sid sid;
3000 gid_t gid;
3001 char *end;
3002
3003 if (!smbldap_get_single_attribute(conn->ldap_struct,
3004 entry, "sambaSID",
3005 str, sizeof(str)-1))
3006 continue;
3007
3008 if (!string_to_sid(&sid, str))
3009 goto done;
3010
3011 if (!smbldap_get_single_attribute(conn->ldap_struct,
3012 entry, "gidNumber",
3013 str, sizeof(str)-1))
3014 continue;
3015
3016 gid = strtoul(str, &end, 10);
3017
3018 if (PTR_DIFF(end, str) != strlen(str))
3019 goto done;
3020
3021 if (gid == primary_gid) {
3022 sid_copy(&(*pp_sids)[0], &sid);
3023 } else {
3024 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3025 &num_gids)) {
3026 ret = NT_STATUS_NO_MEMORY;
3027 goto done;
3028 }
3029 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3030 &num_sids);
3031 if (!NT_STATUS_IS_OK(ret)) {
3032 goto done;
3033 }
3034 }
3035 }
3036
3037 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3038 DEBUG(3, ("primary group of [%s] not found\n",
3039 pdb_get_username(user)));
3040 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
3041 goto done;
3042 }
3043
3044 *p_num_groups = num_sids;
3045
3046 ret = NT_STATUS_OK;
3047
3048 done:
3049
3050 TALLOC_FREE(escape_name);
3051 return ret;
3052 }
3053
3054 /**********************************************************************
3055 * Augment a posixGroup object with a sambaGroupMapping domgroup
3056 *********************************************************************/
3057
3058 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3059 struct ldapsam_privates *ldap_state,
3060 GROUP_MAP *map)
3061 {
3062 const char *filter, *dn;
3063 LDAPMessage *msg, *entry;
3064 LDAPMod **mods;
3065 int rc;
3066
3067 filter = talloc_asprintf(mem_ctx,
3068 "(&(objectClass=%s)(gidNumber=%u))",
3069 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3070 if (filter == NULL) {
3071 return NT_STATUS_NO_MEMORY;
3072 }
3073
3074 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3075 get_attr_list(mem_ctx, groupmap_attr_list),
3076 &msg);
3077 talloc_autofree_ldapmsg(mem_ctx, msg);
3078
3079 if ((rc != LDAP_SUCCESS) ||
3080 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3081 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3082 return NT_STATUS_NO_SUCH_GROUP;
3083 }
3084
3085 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3086 if (dn == NULL) {
3087 return NT_STATUS_NO_MEMORY;
3088 }
3089
3090 mods = NULL;
3091 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3092 LDAP_OBJ_GROUPMAP);
3093 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3094 sid_string_talloc(mem_ctx, &map->sid));
3095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3096 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3097 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3098 map->nt_name);
3099 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3100 map->comment);
3101 talloc_autofree_ldapmod(mem_ctx, mods);
3102
3103 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3104 if (rc != LDAP_SUCCESS) {
3105 return NT_STATUS_ACCESS_DENIED;
3106 }
3107
3108 return NT_STATUS_OK;
3109 }
3110
3111 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3112 GROUP_MAP *map)
3113 {
3114 struct ldapsam_privates *ldap_state =
3115 (struct ldapsam_privates *)methods->private_data;
3116 LDAPMessage *msg = NULL;
3117 LDAPMod **mods = NULL;
3118 const char *attrs[] = { NULL };
3119 char *filter;
3120
3121 char *dn;
3122 TALLOC_CTX *mem_ctx;
3123 NTSTATUS result;
3124
3125 struct dom_sid sid;
3126
3127 int rc;
3128
3129 mem_ctx = talloc_new(NULL);
3130 if (mem_ctx == NULL) {
3131 DEBUG(0, ("talloc_new failed\n"));
3132 return NT_STATUS_NO_MEMORY;
3133 }
3134
3135 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3136 sid_string_talloc(mem_ctx, &map->sid));
3137 if (filter == NULL) {
3138 result = NT_STATUS_NO_MEMORY;
3139 goto done;
3140 }
3141
3142 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3143 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3144 talloc_autofree_ldapmsg(mem_ctx, msg);
3145
3146 if ((rc == LDAP_SUCCESS) &&
3147 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3148
3149 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3150 "group mapping entry\n", sid_string_dbg(&map->sid)));
3151 result = NT_STATUS_GROUP_EXISTS;
3152 goto done;
3153 }
3154
3155 switch (map->sid_name_use) {
3156
3157 case SID_NAME_DOM_GRP:
3158 /* To map a domain group we need to have a posix group
3159 to attach to. */
3160 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3161 goto done;
3162 break;
3163
3164 case SID_NAME_ALIAS:
3165 if (!sid_check_is_in_our_domain(&map->sid)
3166 && !sid_check_is_in_builtin(&map->sid) )
3167 {
3168 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3169 sid_string_dbg(&map->sid)));
3170 result = NT_STATUS_INVALID_PARAMETER;
3171 goto done;
3172 }
3173 break;
3174
3175 default:
3176 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3177 sid_type_lookup(map->sid_name_use)));
3178 result = NT_STATUS_INVALID_PARAMETER;
3179 goto done;
3180 }
3181
3182 /* Domain groups have been mapped in a separate routine, we have to
3183 * create an alias now */
3184
3185 if (map->gid == -1) {
3186 DEBUG(10, ("Refusing to map gid==-1\n"));
3187 result = NT_STATUS_INVALID_PARAMETER;
3188 goto done;
3189 }
3190
3191 if (pdb_gid_to_sid(map->gid, &sid)) {
3192 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3193 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3194 result = NT_STATUS_GROUP_EXISTS;
3195 goto done;
3196 }
3197
3198 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3199 * the best we can get out of LDAP. */
3200
3201 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3202 sid_string_talloc(mem_ctx, &map->sid),
3203 lp_ldap_group_suffix());
3204 if (dn == NULL) {
3205 result = NT_STATUS_NO_MEMORY;
3206 goto done;
3207 }
3208
3209 mods = NULL;
3210
3211 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3212 LDAP_OBJ_SID_ENTRY);
3213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3214 LDAP_OBJ_GROUPMAP);
3215 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3216 sid_string_talloc(mem_ctx, &map->sid));
3217 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3218 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3220 map->nt_name);
3221 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3222 map->comment);
3223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3224 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3225 talloc_autofree_ldapmod(mem_ctx, mods);
3226
3227 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3228
3229 result = (rc == LDAP_SUCCESS) ?
3230 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3231
3232 done:
3233 TALLOC_FREE(mem_ctx);
3234 return result;
3235 }
3236
3237 /**********************************************************************
3238 * Update a group mapping entry. We're quite strict about what can be changed:
3239 * Only the description and displayname may be changed. It simply does not
3240 * make any sense to change the SID, gid or the type in a mapping.
3241 *********************************************************************/
3242
3243 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3244 GROUP_MAP *map)
3245 {
3246 struct ldapsam_privates *ldap_state =
3247 (struct ldapsam_privates *)methods->private_data;
3248 int rc;
3249 const char *filter, *dn;
3250 LDAPMessage *msg = NULL;
3251 LDAPMessage *entry = NULL;
3252 LDAPMod **mods = NULL;
3253 TALLOC_CTX *mem_ctx;
3254 NTSTATUS result;
3255
3256 mem_ctx = talloc_new(NULL);
3257 if (mem_ctx == NULL) {
3258 DEBUG(0, ("talloc_new failed\n"));
3259 return NT_STATUS_NO_MEMORY;
3260 }
3261
3262 /* Make 100% sure that sid, gid and type are not changed by looking up
3263 * exactly the values we're given in LDAP. */
3264
3265 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3266 "(sambaSid=%s)(gidNumber=%u)"
3267 "(sambaGroupType=%d))",
3268 LDAP_OBJ_GROUPMAP,
3269 sid_string_talloc(mem_ctx, &map->sid),
3270 (unsigned int)map->gid, map->sid_name_use);
3271 if (filter == NULL) {
3272 result = NT_STATUS_NO_MEMORY;
3273 goto done;
3274 }
3275
3276 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3277 get_attr_list(mem_ctx, groupmap_attr_list),
3278 &msg);
3279 talloc_autofree_ldapmsg(mem_ctx, msg);
3280
3281 if ((rc != LDAP_SUCCESS) ||
3282 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3283 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3284 result = NT_STATUS_NO_SUCH_GROUP;
3285 goto done;
3286 }
3287
3288 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3289
3290 if (dn == NULL) {
3291 result = NT_STATUS_NO_MEMORY;
3292 goto done;
3293 }
3294
3295 mods = NULL;
3296 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3297 map->nt_name);
3298 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3299 map->comment);
3300 talloc_autofree_ldapmod(mem_ctx, mods);
3301
3302 if (mods == NULL) {
3303 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3304 "nothing to do\n"));
3305 result = NT_STATUS_OK;
3306 goto done;
3307 }
3308
3309 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3310
3311 if (rc != LDAP_SUCCESS) {
3312 result = NT_STATUS_ACCESS_DENIED;
3313 goto done;
3314 }
3315
3316 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3317 "group %lu in LDAP\n", (unsigned long)map->gid));
3318
3319 result = NT_STATUS_OK;
3320
3321 done:
3322 TALLOC_FREE(mem_ctx);
3323 return result;
3324 }
3325
3326 /**********************************************************************
3327 *********************************************************************/
3328
3329 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3330 struct dom_sid sid)
3331 {
3332 struct ldapsam_privates *priv =
3333 (struct ldapsam_privates *)methods->private_data;
3334 LDAPMessage *msg, *entry;
3335 int rc;
3336 NTSTATUS result;
3337 TALLOC_CTX *mem_ctx;
3338 char *filter;
3339
3340 mem_ctx = talloc_new(NULL);
3341 if (mem_ctx == NULL) {
3342 DEBUG(0, ("talloc_new failed\n"));
3343 return NT_STATUS_NO_MEMORY;
3344 }
3345
3346 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3347 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3348 sid_string_talloc(mem_ctx, &sid));
3349 if (filter == NULL) {
3350 result = NT_STATUS_NO_MEMORY;
3351 goto done;
3352 }
3353 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3354 get_attr_list(mem_ctx, groupmap_attr_list),
3355 &msg);
3356 talloc_autofree_ldapmsg(mem_ctx, msg);
3357
3358 if ((rc != LDAP_SUCCESS) ||
3359 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3360 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3361 result = NT_STATUS_NO_SUCH_GROUP;
3362 goto done;
3363 }
3364
3365 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3366 get_attr_list(mem_ctx,
3367 groupmap_attr_list_to_delete));
3368
3369 if ((rc == LDAP_NAMING_VIOLATION) ||
3370 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3371 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3372 const char *attrs[] = { "sambaGroupType", "description",
3373 "displayName", "sambaSIDList",
3374 NULL };
3375
3376 /* Second try. Don't delete the sambaSID attribute, this is
3377 for "old" entries that are tacked on a winbind
3378 sambaIdmapEntry. */
3379
3380 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3381 LDAP_OBJ_GROUPMAP, attrs);
3382 }
3383
3384 if ((rc == LDAP_NAMING_VIOLATION) ||
3385 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3386 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3387 const char *attrs[] = { "sambaGroupType", "description",
3388 "displayName", "sambaSIDList",
3389 "gidNumber", NULL };
3390
3391 /* Third try. This is a post-3.0.21 alias (containing only
3392 * sambaSidEntry and sambaGroupMapping classes), we also have
3393 * to delete the gidNumber attribute, only the sambaSidEntry
3394 * remains */
3395
3396 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3397 LDAP_OBJ_GROUPMAP, attrs);
3398 }
3399
3400 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3401
3402 done:
3403 TALLOC_FREE(mem_ctx);
3404 return result;
3405 }
3406
3407 /**********************************************************************
3408 *********************************************************************/
3409
3410 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3411 bool update)
3412 {
3413 struct ldapsam_privates *ldap_state =
3414 (struct ldapsam_privates *)my_methods->private_data;
3415 char *filter = NULL;
3416 int rc;
3417 const char **attr_list;
3418
3419 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3420 if (!filter) {
3421 return NT_STATUS_NO_MEMORY;
3422 }
3423 attr_list = get_attr_list( NULL, groupmap_attr_list );
3424 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3425 LDAP_SCOPE_SUBTREE, filter,
3426 attr_list, 0, &ldap_state->result);
3427 TALLOC_FREE(attr_list);
3428
3429 if (rc != LDAP_SUCCESS) {
3430 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3431 ldap_err2string(rc)));
3432 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3433 lp_ldap_suffix(), filter));
3434 ldap_msgfree(ldap_state->result);
3435 ldap_state->result = NULL;
3436 TALLOC_FREE(filter);
3437 return NT_STATUS_UNSUCCESSFUL;
3438 }
3439
3440 TALLOC_FREE(filter);
3441
3442 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3443 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3444 ldap_state->result)));
3445
3446 ldap_state->entry =
3447 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3448 ldap_state->result);
3449 ldap_state->index = 0;
3450
3451 return NT_STATUS_OK;
3452 }
3453
3454 /**********************************************************************
3455 *********************************************************************/
3456
3457 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3458 {
3459 ldapsam_endsampwent(my_methods);
3460 }
3461
3462 /**********************************************************************
3463 *********************************************************************/
3464
3465 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3466 GROUP_MAP *map)
3467 {
3468 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3469 struct ldapsam_privates *ldap_state =
3470 (struct ldapsam_privates *)my_methods->private_data;
3471 bool bret = False;
3472
3473 while (!bret) {
3474 if (!ldap_state->entry)
3475 return ret;
3476
3477 ldap_state->index++;
3478 bret = init_group_from_ldap(ldap_state, map,
3479 ldap_state->entry);
3480
3481 ldap_state->entry =
3482 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3483 ldap_state->entry);
3484 }
3485
3486 return NT_STATUS_OK;
3487 }
3488
3489 /**********************************************************************
3490 *********************************************************************/
3491
3492 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3493 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3494 GROUP_MAP **pp_rmap,
3495 size_t *p_num_entries,
3496 bool unix_only)
3497 {
3498 GROUP_MAP map = { 0, };
3499 size_t entries = 0;
3500
3501 *p_num_entries = 0;
3502 *pp_rmap = NULL;
3503
3504 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3505 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3506 "passdb\n"));
3507 return NT_STATUS_ACCESS_DENIED;
3508 }
3509
3510 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3511 if (sid_name_use != SID_NAME_UNKNOWN &&
3512 sid_name_use != map.sid_name_use) {
3513 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3514 "not of the requested type\n", map.nt_name));
3515 continue;
3516 }
3517 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3518 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3519 "non mapped\n", map.nt_name));
3520 continue;
3521 }
3522
3523 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3524 if (!(*pp_rmap)) {
3525 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3526 "enlarge group map!\n"));
3527 return NT_STATUS_UNSUCCESSFUL;
3528 }
3529
3530 (*pp_rmap)[entries] = map;
3531
3532 entries += 1;
3533
3534 }
3535 ldapsam_endsamgrent(methods);
3536
3537 *p_num_entries = entries;
3538
3539 return NT_STATUS_OK;
3540 }
3541
3542 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3543 const struct dom_sid *alias,
3544 const struct dom_sid *member,
3545 int modop)
3546 {
3547 struct ldapsam_privates *ldap_state =
3548 (struct ldapsam_privates *)methods->private_data;
3549 char *dn = NULL;
3550 LDAPMessage *result = NULL;
3551 LDAPMessage *entry = NULL;
3552 int count;
3553 LDAPMod **mods = NULL;
3554 int rc;
3555 enum lsa_SidType type = SID_NAME_USE_NONE;
3556 fstring tmp;
3557
3558 char *filter = NULL;
3559
3560 if (sid_check_is_in_builtin(alias)) {
3561 type = SID_NAME_ALIAS;
3562 }
3563
3564 if (sid_check_is_in_our_domain(alias)) {
3565 type = SID_NAME_ALIAS;
3566 }
3567
3568 if (type == SID_NAME_USE_NONE) {
3569 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3570 sid_string_dbg(alias)));
3571 return NT_STATUS_NO_SUCH_ALIAS;
3572 }
3573
3574 if (asprintf(&filter,
3575 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3576 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3577 type) < 0) {
3578 return NT_STATUS_NO_MEMORY;
3579 }
3580
3581 if (ldapsam_search_one_group(ldap_state, filter,
3582 &result) != LDAP_SUCCESS) {
3583 SAFE_FREE(filter);
3584 return NT_STATUS_NO_SUCH_ALIAS;
3585 }
3586
3587 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3588 result);
3589
3590 if (count < 1) {
3591 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3592 ldap_msgfree(result);
3593 SAFE_FREE(filter);
3594 return NT_STATUS_NO_SUCH_ALIAS;
3595 }
3596
3597 if (count > 1) {
3598 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3599 "filter %s: count=%d\n", filter, count));
3600 ldap_msgfree(result);
3601 SAFE_FREE(filter);
3602 return NT_STATUS_NO_SUCH_ALIAS;
3603 }
3604
3605 SAFE_FREE(filter);
3606
3607 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3608 result);
3609
3610 if (!entry) {
3611 ldap_msgfree(result);
3612 return NT_STATUS_UNSUCCESSFUL;
3613 }
3614
3615 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3616 if (!dn) {
3617 ldap_msgfree(result);
3618 return NT_STATUS_UNSUCCESSFUL;
3619 }
3620
3621 smbldap_set_mod(&mods, modop,
3622 get_attr_key2string(groupmap_attr_list,
3623 LDAP_ATTR_SID_LIST),
3624 sid_to_fstring(tmp, member));
3625
3626 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3627
3628 ldap_mods_free(mods, True);
3629 ldap_msgfree(result);
3630 TALLOC_FREE(dn);
3631
3632 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3633 return NT_STATUS_MEMBER_IN_ALIAS;
3634 }
3635
3636 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3637 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3638 }
3639
3640 if (rc != LDAP_SUCCESS) {
3641 return NT_STATUS_UNSUCCESSFUL;
3642 }
3643
3644 return NT_STATUS_OK;
3645 }
3646
3647 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3648 const struct dom_sid *alias,
3649 const struct dom_sid *member)
3650 {
3651 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3652 }
3653
3654 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3655 const struct dom_sid *alias,
3656 const struct dom_sid *member)
3657 {
3658 return ldapsam_modify_aliasmem(methods, alias, member,
3659 LDAP_MOD_DELETE);
3660 }
3661
3662 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3663 const struct dom_sid *alias,
3664 TALLOC_CTX *mem_ctx,
3665 struct dom_sid **pp_members,
3666 size_t *p_num_members)
3667 {
3668 struct ldapsam_privates *ldap_state =
3669 (struct ldapsam_privates *)methods->private_data;
3670 LDAPMessage *result = NULL;
3671 LDAPMessage *entry = NULL;
3672 int count;
3673 char **values = NULL;
3674 int i;
3675 char *filter = NULL;
3676 uint32_t num_members = 0;
3677 enum lsa_SidType type = SID_NAME_USE_NONE;
3678 fstring tmp;
3679
3680 *pp_members = NULL;
3681 *p_num_members = 0;
3682
3683 if (sid_check_is_in_builtin(alias)) {
3684 type = SID_NAME_ALIAS;
3685 }
3686
3687 if (sid_check_is_in_our_domain(alias)) {
3688 type = SID_NAME_ALIAS;
3689 }
3690
3691 if (type == SID_NAME_USE_NONE) {
3692 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3693 sid_string_dbg(alias)));
3694 return NT_STATUS_NO_SUCH_ALIAS;
3695 }
3696
3697 if (asprintf(&filter,
3698 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3699 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3700 type) < 0) {
3701 return NT_STATUS_NO_MEMORY;
3702 }
3703
3704 if (ldapsam_search_one_group(ldap_state, filter,
3705 &result) != LDAP_SUCCESS) {
3706 SAFE_FREE(filter);
3707 return NT_STATUS_NO_SUCH_ALIAS;
3708 }
3709
3710 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3711 result);
3712
3713 if (count < 1) {
3714 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3715 ldap_msgfree(result);
3716 SAFE_FREE(filter);
3717 return NT_STATUS_NO_SUCH_ALIAS;
3718 }
3719
3720 if (count > 1) {
3721 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3722 "filter %s: count=%d\n", filter, count));
3723 ldap_msgfree(result);
3724 SAFE_FREE(filter);
3725 return NT_STATUS_NO_SUCH_ALIAS;
3726 }
3727
3728 SAFE_FREE(filter);
3729
3730 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3731 result);
3732
3733 if (!entry) {
3734 ldap_msgfree(result);
3735 return NT_STATUS_UNSUCCESSFUL;
3736 }
3737
3738 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3739 entry,
3740 get_attr_key2string(groupmap_attr_list,
3741 LDAP_ATTR_SID_LIST));
3742
3743 if (values == NULL) {
3744 ldap_msgfree(result);
3745 return NT_STATUS_OK;
3746 }
3747
3748 count = ldap_count_values(values);
3749
3750 for (i=0; i<count; i++) {
3751 struct dom_sid member;
3752 NTSTATUS status;
3753
3754 if (!string_to_sid(&member, values[i]))
3755 continue;
3756
3757 status = add_sid_to_array(mem_ctx, &member, pp_members,
3758 &num_members);
3759 if (!NT_STATUS_IS_OK(status)) {
3760 ldap_value_free(values);
3761 ldap_msgfree(result);
3762 return status;
3763 }
3764 }
3765
3766 *p_num_members = num_members;
3767 ldap_value_free(values);
3768 ldap_msgfree(result);
3769
3770 return NT_STATUS_OK;
3771 }
3772
3773 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3774 TALLOC_CTX *mem_ctx,
3775 const struct dom_sid *domain_sid,
3776 const struct dom_sid *members,
3777 size_t num_members,
3778 uint32_t **pp_alias_rids,
3779 size_t *p_num_alias_rids)
3780 {
3781 struct ldapsam_privates *ldap_state =
3782 (struct ldapsam_privates *)methods->private_data;
3783 LDAP *ldap_struct;
3784
3785 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3786
3787 LDAPMessage *result = NULL;
3788 LDAPMessage *entry = NULL;
3789 int i;
3790 int rc;
3791 char *filter;
3792 enum lsa_SidType type = SID_NAME_USE_NONE;
3793 bool is_builtin = false;
3794 bool sid_added = false;
3795
3796 *pp_alias_rids = NULL;
3797 *p_num_alias_rids = 0;
3798
3799 if (sid_check_is_builtin(domain_sid)) {
3800 is_builtin = true;
3801 type = SID_NAME_ALIAS;
3802 }
3803
3804 if (sid_check_is_domain(domain_sid)) {
3805 type = SID_NAME_ALIAS;
3806 }
3807
3808 if (type == SID_NAME_USE_NONE) {
3809 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3810 sid_string_dbg(domain_sid)));
3811 return NT_STATUS_UNSUCCESSFUL;
3812 }
3813
3814 if (num_members == 0) {
3815 return NT_STATUS_OK;
3816 }
3817
3818 filter = talloc_asprintf(mem_ctx,
3819 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3820 LDAP_OBJ_GROUPMAP, type);
3821
3822 for (i=0; i<num_members; i++)
3823 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3824 filter,
3825 sid_string_talloc(mem_ctx,
3826 &members[i]));
3827
3828 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3829
3830 if (filter == NULL) {
3831 return NT_STATUS_NO_MEMORY;
3832 }
3833
3834 if (is_builtin &&
3835 ldap_state->search_cache.filter &&
3836 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3837 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3838 result = ldap_state->search_cache.result;
3839 ldap_state->search_cache.result = NULL;
3840 } else {
3841 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3842 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3843 if (rc != LDAP_SUCCESS) {
3844 return NT_STATUS_UNSUCCESSFUL;
3845 }
3846 talloc_autofree_ldapmsg(filter, result);
3847 }
3848
3849 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3850
3851 for (entry = ldap_first_entry(ldap_struct, result);
3852 entry != NULL;
3853 entry = ldap_next_entry(ldap_struct, entry))
3854 {
3855 fstring sid_str;
3856 struct dom_sid sid;
3857 uint32_t rid;
3858
3859 if (!smbldap_get_single_attribute(ldap_struct, entry,
3860 LDAP_ATTRIBUTE_SID,
3861 sid_str,
3862 sizeof(sid_str)-1))
3863 continue;
3864
3865 if (!string_to_sid(&sid, sid_str))
3866 continue;
3867
3868 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3869 continue;
3870
3871 sid_added = true;
3872
3873 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3874 p_num_alias_rids)) {
3875 return NT_STATUS_NO_MEMORY;
3876 }
3877 }
3878
3879 if (!is_builtin && !sid_added) {
3880 TALLOC_FREE(ldap_state->search_cache.filter);
3881 /*
3882 * Note: result is a talloc child of filter because of the
3883 * talloc_autofree_ldapmsg() usage
3884 */
3885 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3886 ldap_state->search_cache.result = result;
3887 }
3888
3889 return NT_STATUS_OK;
3890 }
3891
3892 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3893 enum pdb_policy_type type,
3894 uint32_t value)
3895 {
3896 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3897 int rc;
3898 LDAPMod **mods = NULL;
3899 fstring value_string;
3900 const char *policy_attr = NULL;
3901
3902 struct ldapsam_privates *ldap_state =
3903 (struct ldapsam_privates *)methods->private_data;
3904
3905 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3906
3907 if (!ldap_state->domain_dn) {
3908 return NT_STATUS_INVALID_PARAMETER;
3909 }
3910
3911 policy_attr = get_account_policy_attr(type);
3912 if (policy_attr == NULL) {
3913 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3914 "policy\n"));
3915 return ntstatus;
3916 }
3917
3918 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3919
3920 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3921
3922 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3923 mods);
3924
3925 ldap_mods_free(mods, True);
3926
3927 if (rc != LDAP_SUCCESS) {
3928 return ntstatus;
3929 }
3930
3931 if (!cache_account_policy_set(type, value)) {
3932 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3933 "update local tdb cache\n"));
3934 return ntstatus;
3935 }
3936
3937 return NT_STATUS_OK;
3938 }
3939
3940 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3941 enum pdb_policy_type type,
3942 uint32_t value)
3943 {
3944 return ldapsam_set_account_policy_in_ldap(methods, type,
3945 value);
3946 }
3947
3948 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3949 enum pdb_policy_type type,
3950 uint32_t *value)
3951 {
3952 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3953 LDAPMessage *result = NULL;
3954 LDAPMessage *entry = NULL;
3955 int count;
3956 int rc;
3957 char **vals = NULL;
3958 char *filter;
3959 const char *policy_attr = NULL;
3960
3961 struct ldapsam_privates *ldap_state =
3962 (struct ldapsam_privates *)methods->private_data;
3963
3964 const char *attrs[2];
3965
3966 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3967
3968 if (!ldap_state->domain_dn) {
3969 return NT_STATUS_INVALID_PARAMETER;
3970 }
3971
3972 policy_attr = get_account_policy_attr(type);
3973 if (!policy_attr) {
3974 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3975 "policy index: %d\n", type));
3976 return ntstatus;
3977 }
3978
3979 attrs[0] = policy_attr;
3980 attrs[1] = NULL;
3981
3982 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3983 if (filter == NULL) {
3984 return NT_STATUS_NO_MEMORY;
3985 }
3986 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3987 LDAP_SCOPE_BASE, filter, attrs, 0,
3988 &result);
3989 TALLOC_FREE(filter);
3990 if (rc != LDAP_SUCCESS) {
3991 return ntstatus;
3992 }
3993
3994 count = ldap_count_entries(priv2ld(ldap_state), result);
3995 if (count < 1) {
3996 goto out;
3997 }
3998
3999 entry = ldap_first_entry(priv2ld(ldap_state), result);
4000 if (entry == NULL) {
4001 goto out;
4002 }
4003
4004 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4005 if (vals == NULL) {
4006 goto out;
4007 }
4008
4009 *value = (uint32_t)atol(vals[0]);
4010
4011 ntstatus = NT_STATUS_OK;
4012
4013 out:
4014 if (vals)
4015 ldap_value_free(vals);
4016 ldap_msgfree(result);
4017
4018 return ntstatus;
4019 }
4020
4021 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4022
4023 - if user hasn't decided to use account policies inside LDAP just reuse the
4024 old tdb values
4025
4026 - if there is a valid cache entry, return that
4027 - if there is an LDAP entry, update cache and return
4028 - otherwise set to default, update cache and return
4029
4030 Guenther
4031 */
4032 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4033 enum pdb_policy_type type,
4034 uint32_t *value)
4035 {
4036 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4037
4038 if (cache_account_policy_get(type, value)) {
4039 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4040 "cache\n"));
4041 return NT_STATUS_OK;
4042 }
4043
4044 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4045 value);
4046 if (NT_STATUS_IS_OK(ntstatus)) {
4047 goto update_cache;
4048 }
4049
4050 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4051 "ldap\n"));
4052
4053 #if 0
4054 /* should we automagically migrate old tdb value here ? */
4055 if (account_policy_get(type, value))
4056 goto update_ldap;
4057
4058 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4059 "default\n", type));
4060 #endif
4061
4062 if (!account_policy_get_default(type, value)) {
4063 return ntstatus;
4064 }
4065
4066 /* update_ldap: */
4067
4068 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4069 if (!NT_STATUS_IS_OK(ntstatus)) {
4070 return ntstatus;
4071 }
4072
4073 update_cache:
4074
4075 if (!cache_account_policy_set(type, *value)) {
4076 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4077 "tdb as a cache\n"));
4078 return NT_STATUS_UNSUCCESSFUL;
4079 }
4080
4081 return NT_STATUS_OK;
4082 }
4083
4084 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4085 const struct dom_sid *domain_sid,
4086 int num_rids,
4087 uint32_t *rids,
4088 const char **names,
4089 enum lsa_SidType *attrs)
4090 {
4091 struct ldapsam_privates *ldap_state =
4092 (struct ldapsam_privates *)methods->private_data;
4093 LDAPMessage *msg = NULL;
4094 LDAPMessage *entry;
4095 char *allsids = NULL;
4096 int i, rc, num_mapped;
4097 NTSTATUS result = NT_STATUS_NO_MEMORY;
4098 TALLOC_CTX *mem_ctx;
4099 LDAP *ld;
4100 bool is_builtin;
4101
4102 mem_ctx = talloc_new(NULL);
4103 if (mem_ctx == NULL) {
4104 DEBUG(0, ("talloc_new failed\n"));
4105 goto done;
4106 }
4107
4108 if (!sid_check_is_builtin(domain_sid) &&
4109 !sid_check_is_domain(domain_sid)) {
4110 result = NT_STATUS_INVALID_PARAMETER;
4111 goto done;
4112 }
4113
4114 if (num_rids == 0) {
4115 result = NT_STATUS_NONE_MAPPED;
4116 goto done;
4117 }
4118
4119 for (i=0; i<num_rids; i++)
4120 attrs[i] = SID_NAME_UNKNOWN;
4121
4122 allsids = talloc_strdup(mem_ctx, "");
4123 if (allsids == NULL) {
4124 goto done;
4125 }
4126
4127 for (i=0; i<num_rids; i++) {
4128 struct dom_sid sid;
4129 sid_compose(&sid, domain_sid, rids[i]);
4130 allsids = talloc_asprintf_append_buffer(
4131 allsids, "(sambaSid=%s)",
4132 sid_string_talloc(mem_ctx, &sid));
4133 if (allsids == NULL) {
4134 goto done;
4135 }
4136 }
4137
4138 /* First look for users */
4139
4140 {
4141 char *filter;
4142 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4143
4144 filter = talloc_asprintf(
4145 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4146 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4147
4148 if (filter == NULL) {
4149 goto done;
4150 }
4151
4152 rc = smbldap_search(ldap_state->smbldap_state,
4153 lp_ldap_user_suffix(),
4154 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4155 &msg);
4156 talloc_autofree_ldapmsg(mem_ctx, msg);
4157 }
4158
4159 if (rc != LDAP_SUCCESS)
4160 goto done;
4161
4162 ld = ldap_state->smbldap_state->ldap_struct;
4163 num_mapped = 0;
4164
4165 for (entry = ldap_first_entry(ld, msg);
4166 entry != NULL;
4167 entry = ldap_next_entry(ld, entry)) {
4168 uint32_t rid;
4169 int rid_index;
4170 const char *name;
4171
4172 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4173 &rid)) {
4174 DEBUG(2, ("Could not find sid from ldap entry\n"));
4175 continue;
4176 }
4177
4178 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4179 names);
4180 if (name == NULL) {
4181 DEBUG(2, ("Could not retrieve uid attribute\n"));
4182 continue;
4183 }
4184
4185 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4186 if (rid == rids[rid_index])
4187 break;
4188 }
4189
4190 if (rid_index == num_rids) {
4191 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4192 continue;
4193 }
4194
4195 attrs[rid_index] = SID_NAME_USER;
4196 names[rid_index] = name;
4197 num_mapped += 1;
4198 }
4199
4200 if (num_mapped == num_rids) {
4201 /* No need to look for groups anymore -- we're done */
4202 result = NT_STATUS_OK;
4203 goto done;
4204 }
4205
4206 /* Same game for groups */
4207
4208 {
4209 char *filter;
4210 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4211 "sambaGroupType", NULL };
4212
4213 filter = talloc_asprintf(
4214 mem_ctx, "(&(objectClass=%s)(|%s))",
4215 LDAP_OBJ_GROUPMAP, allsids);
4216 if (filter == NULL) {
4217 goto done;
4218 }
4219
4220 rc = smbldap_search(ldap_state->smbldap_state,
4221 lp_ldap_suffix(),
4222 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4223 &msg);
4224 talloc_autofree_ldapmsg(mem_ctx, msg);
4225 }
4226
4227 if (rc != LDAP_SUCCESS)
4228 goto done;
4229
4230 /* ldap_struct might have changed due to a reconnect */
4231
4232 ld = ldap_state->smbldap_state->ldap_struct;
4233
4234 /* For consistency checks, we already checked we're only domain or builtin */
4235
4236 is_builtin = sid_check_is_builtin(domain_sid);
4237
4238 for (entry = ldap_first_entry(ld, msg);
4239 entry != NULL;
4240 entry = ldap_next_entry(ld, entry))
4241 {
4242 uint32_t rid;
4243 int rid_index;
4244 const char *attr;
4245 enum lsa_SidType type;
4246 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4247
4248 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4249 mem_ctx);
4250 if (attr == NULL) {
4251 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4252 dn));
4253 continue;
4254 }
4255
4256 type = (enum lsa_SidType)atol(attr);
4257
4258 /* Consistency checks */
4259 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4260 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4261 (type != SID_NAME_DOM_GRP)))) {
4262 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4263 }
4264
4265 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4266 &rid)) {
4267 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4268 continue;
4269 }
4270
4271 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4272
4273 if (attr == NULL) {
4274 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4275 dn));
4276 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4277 }
4278
4279 if (attr == NULL) {
4280 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4281 dn));
4282 continue;
4283 }
4284
4285 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4286 if (rid == rids[rid_index])
4287 break;
4288 }
4289
4290 if (rid_index == num_rids) {
4291 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4292 continue;
4293 }
4294
4295 attrs[rid_index] = type;
4296 names[rid_index] = attr;
4297 num_mapped += 1;
4298 }
4299
4300 result = NT_STATUS_NONE_MAPPED;
4301
4302 if (num_mapped > 0)
4303 result = (num_mapped == num_rids) ?
4304 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4305 done:
4306 TALLOC_FREE(mem_ctx);
4307 return result;
4308 }
4309
4310 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4311 {
4312 char *filter = NULL;
4313 char *escaped = NULL;
4314 char *result = NULL;
4315
4316 if (asprintf(&filter, "(&%s(objectclass=%s))",
4317 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4318 goto done;
4319 }
4320
4321 escaped = escape_ldap_string(talloc_tos(), username);
4322 if (escaped == NULL) goto done;
4323
4324 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4325
4326 done:
4327 SAFE_FREE(filter);
4328 TALLOC_FREE(escaped);
4329
4330 return result;
4331 }
4332
4333 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4334 {
4335 int i, num = 0;
4336 va_list ap;
4337 const char **result;
4338
4339 va_start(ap, mem_ctx);
4340 while (va_arg(ap, const char *) != NULL)
4341 num += 1;
4342 va_end(ap);
4343
4344 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4345 return NULL;
4346 }
4347
4348 va_start(ap, mem_ctx);
4349 for (i=0; i<num; i++) {
4350 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4351 if (result[i] == NULL) {
4352 talloc_free(result);
4353 va_end(ap);
4354 return NULL;
4355 }
4356 }
4357 va_end(ap);
4358
4359 result[num] = NULL;
4360 return result;
4361 }
4362
4363 struct ldap_search_state {
4364 struct smbldap_state *connection;
4365
4366 uint32_t acct_flags;
4367 uint16_t group_type;
4368
4369 const char *base;
4370 int scope;
4371 const char *filter;
4372 const char **attrs;
4373 int attrsonly;
4374 void *pagedresults_cookie;
4375
4376 LDAPMessage *entries, *current_entry;
4377 bool (*ldap2displayentry)(struct ldap_search_state *state,
4378 TALLOC_CTX *mem_ctx,
4379 LDAP *ld, LDAPMessage *entry,
4380 struct samr_displayentry *result);
4381 };
4382
4383 static bool ldapsam_search_firstpage(struct pdb_search *search)
4384 {
4385 struct ldap_search_state *state =
4386 (struct ldap_search_state *)search->private_data;
4387 LDAP *ld;
4388 int rc = LDAP_OPERATIONS_ERROR;
4389
4390 state->entries = NULL;
4391
4392 if (state->connection->paged_results) {
4393 rc = smbldap_search_paged(state->connection, state->base,
4394 state->scope, state->filter,
4395 state->attrs, state->attrsonly,
4396 lp_ldap_page_size(), &state->entries,
4397 &state->pagedresults_cookie);
4398 }
4399
4400 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4401
4402 if (state->entries != NULL) {
4403 /* Left over from unsuccessful paged attempt */
4404 ldap_msgfree(state->entries);
4405 state->entries = NULL;
4406 }
4407
4408 rc = smbldap_search(state->connection, state->base,
4409 state->scope, state->filter, state->attrs,
4410 state->attrsonly, &state->entries);
4411
4412 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4413 return False;
4414
4415 /* Ok, the server was lying. It told us it could do paged
4416 * searches when it could not. */
4417 state->connection->paged_results = False;
4418 }
4419
4420 ld = state->connection->ldap_struct;
4421 if ( ld == NULL) {
4422 DEBUG(5, ("Don't have an LDAP connection right after a "
4423 "search\n"));
4424 return False;
4425 }
4426 state->current_entry = ldap_first_entry(ld, state->entries);
4427
4428 return True;
4429 }
4430
4431 static bool ldapsam_search_nextpage(struct pdb_search *search)
4432 {
4433 struct ldap_search_state *state =
4434 (struct ldap_search_state *)search->private_data;
4435 int rc;
4436
4437 if (!state->connection->paged_results) {
4438 /* There is no next page when there are no paged results */
4439 return False;
4440 }
4441
4442 rc = smbldap_search_paged(state->connection, state->base,
4443 state->scope, state->filter, state->attrs,
4444 state->attrsonly, lp_ldap_page_size(),
4445 &state->entries,
4446 &state->pagedresults_cookie);
4447
4448 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4449 return False;
4450
4451 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4452
4453 if (state->current_entry == NULL) {
4454 ldap_msgfree(state->entries);
4455 state->entries = NULL;
4456 return false;
4457 }
4458
4459 return True;
4460 }
4461
4462 static bool ldapsam_search_next_entry(struct pdb_search *search,
4463 struct samr_displayentry *entry)
4464 {
4465 struct ldap_search_state *state =
4466 (struct ldap_search_state *)search->private_data;
4467 bool result;
4468
4469 retry:
4470 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4471 return False;
4472
4473 if ((state->entries == NULL) &&
4474 !ldapsam_search_nextpage(search))
4475 return False;
4476
4477 if (state->current_entry == NULL) {
4478 return false;
4479 }
4480
4481 result = state->ldap2displayentry(state, search,
4482 state->connection->ldap_struct,
4483 state->current_entry, entry);
4484
4485 if (!result) {
4486 char *dn;
4487 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4488 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4489 if (dn != NULL) ldap_memfree(dn);
4490 }
4491
4492 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4493
4494 if (state->current_entry == NULL) {
4495 ldap_msgfree(state->entries);
4496 state->entries = NULL;
4497 }
4498
4499 if (!result) goto retry;
4500
4501 return True;
4502 }
4503
4504 static void ldapsam_search_end(struct pdb_search *search)
4505 {
4506 struct ldap_search_state *state =
4507 (struct ldap_search_state *)search->private_data;
4508 int rc;
4509
4510 if (state->pagedresults_cookie == NULL)
4511 return;
4512
4513 if (state->entries != NULL)
4514 ldap_msgfree(state->entries);
4515
4516 state->entries = NULL;
4517 state->current_entry = NULL;
4518
4519 if (!state->connection->paged_results)
4520 return;
4521
4522 /* Tell the LDAP server we're not interested in the rest anymore. */
4523
4524 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4525 state->filter, state->attrs,
4526 state->attrsonly, 0, &state->entries,
4527 &state->pagedresults_cookie);
4528
4529 if (rc != LDAP_SUCCESS)
4530 DEBUG(5, ("Could not end search properly\n"));
4531
4532 return;
4533 }
4534
4535 static bool ldapuser2displayentry(struct ldap_search_state *state,
4536 TALLOC_CTX *mem_ctx,
4537 LDAP *ld, LDAPMessage *entry,
4538 struct samr_displayentry *result)
4539 {
4540 char **vals;
4541 size_t converted_size;
4542 struct dom_sid sid;
4543 uint32_t acct_flags;
4544
4545 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4546 if ((vals == NULL) || (vals[0] == NULL)) {
4547 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4548 return False;
4549 }
4550 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4551 ldap_value_free(vals);
4552
4553 if ((state->acct_flags != 0) &&
4554 ((state->acct_flags & acct_flags) == 0))
4555 return False;
4556
4557 result->acct_flags = acct_flags;
4558 result->account_name = "";
4559 result->fullname = "";
4560 result->description = "";
4561
4562 vals = ldap_get_values(ld, entry, "uid");
4563 if ((vals == NULL) || (vals[0] == NULL)) {
4564 DEBUG(5, ("\"uid\" not found\n"));
4565 return False;
4566 }
4567 if (!pull_utf8_talloc(mem_ctx,
4568 CONST_DISCARD(char **, &result->account_name),
4569 vals[0], &converted_size))
4570 {
4571 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4572 strerror(errno)));
4573 }
4574
4575 ldap_value_free(vals);
4576
4577 vals = ldap_get_values(ld, entry, "displayName");
4578 if ((vals == NULL) || (vals[0] == NULL))
4579 DEBUG(8, ("\"displayName\" not found\n"));
4580 else if (!pull_utf8_talloc(mem_ctx,
4581 CONST_DISCARD(char **, &result->fullname),
4582 vals[0], &converted_size))
4583 {
4584 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4585 strerror(errno)));
4586 }
4587
4588 ldap_value_free(vals);
4589
4590 vals = ldap_get_values(ld, entry, "description");
4591 if ((vals == NULL) || (vals[0] == NULL))
4592 DEBUG(8, ("\"description\" not found\n"));
4593 else if (!pull_utf8_talloc(mem_ctx,
4594 CONST_DISCARD(char **, &result->description),
4595 vals[0], &converted_size))
4596 {
4597 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4598 strerror(errno)));
4599 }
4600
4601 ldap_value_free(vals);
4602
4603 if ((result->account_name == NULL) ||
4604 (result->fullname == NULL) ||
4605 (result->description == NULL)) {
4606 DEBUG(0, ("talloc failed\n"));
4607 return False;
4608 }
4609
4610 vals = ldap_get_values(ld, entry, "sambaSid");
4611 if ((vals == NULL) || (vals[0] == NULL)) {
4612 DEBUG(0, ("\"objectSid\" not found\n"));
4613 return False;
4614 }
4615
4616 if (!string_to_sid(&sid, vals[0])) {
4617 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4618 ldap_value_free(vals);
4619 return False;
4620 }
4621 ldap_value_free(vals);
4622
4623 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4624 DEBUG(0, ("sid %s does not belong to our domain\n",
4625 sid_string_dbg(&sid)));
4626 return False;
4627 }
4628
4629 return True;
4630 }
4631
4632
4633 static bool ldapsam_search_users(struct pdb_methods *methods,
4634 struct pdb_search *search,
4635 uint32_t acct_flags)
4636 {
4637 struct ldapsam_privates *ldap_state =
4638 (struct ldapsam_privates *)methods->private_data;
4639 struct ldap_search_state *state;
4640
4641 state = talloc(search, struct ldap_search_state);
4642 if (state == NULL) {
4643 DEBUG(0, ("talloc failed\n"));
4644 return False;
4645 }
4646
4647 state->connection = ldap_state->smbldap_state;
4648
4649 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4650 state->base = lp_ldap_user_suffix();
4651 else if ((acct_flags != 0) &&
4652 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4653 state->base = lp_ldap_machine_suffix();
4654 else
4655 state->base = lp_ldap_suffix();
4656
4657 state->acct_flags = acct_flags;
4658 state->base = talloc_strdup(search, state->base);
4659 state->scope = LDAP_SCOPE_SUBTREE;
4660 state->filter = get_ldap_filter(search, "*");
4661 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4662 "displayName", "description",
4663 "sambaAcctFlags", NULL);
4664 state->attrsonly = 0;
4665 state->pagedresults_cookie = NULL;
4666 state->entries = NULL;
4667 state->ldap2displayentry = ldapuser2displayentry;
4668
4669 if ((state->filter == NULL) || (state->attrs == NULL)) {
4670 DEBUG(0, ("talloc failed\n"));
4671 return False;
4672 }
4673
4674 search->private_data = state;
4675 search->next_entry = ldapsam_search_next_entry;
4676 search->search_end = ldapsam_search_end;
4677
4678 return ldapsam_search_firstpage(search);
4679 }
4680
4681 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4682 TALLOC_CTX *mem_ctx,
4683 LDAP *ld, LDAPMessage *entry,
4684 struct samr_displayentry *result)
4685 {
4686 char **vals;
4687 size_t converted_size;
4688 struct dom_sid sid;
4689 uint16_t group_type;
4690
4691 result->account_name = "";
4692 result->fullname = "";
4693 result->description = "";
4694
4695
4696 vals = ldap_get_values(ld, entry, "sambaGroupType");
4697 if ((vals == NULL) || (vals[0] == NULL)) {
4698 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4699 if (vals != NULL) {
4700 ldap_value_free(vals);
4701 }
4702 return False;
4703 }
4704
4705 group_type = atoi(vals[0]);
4706
4707 if ((state->group_type != 0) &&
4708 ((state->group_type != group_type))) {
4709 ldap_value_free(vals);
4710 return False;
4711 }
4712
4713 ldap_value_free(vals);
4714
4715 /* display name is the NT group name */
4716
4717 vals = ldap_get_values(ld, entry, "displayName");
4718 if ((vals == NULL) || (vals[0] == NULL)) {
4719 DEBUG(8, ("\"displayName\" not found\n"));
4720
4721 /* fallback to the 'cn' attribute */
4722 vals = ldap_get_values(ld, entry, "cn");
4723 if ((vals == NULL) || (vals[0] == NULL)) {
4724 DEBUG(5, ("\"cn\" not found\n"));
4725 return False;
4726 }
4727 if (!pull_utf8_talloc(mem_ctx,
4728 CONST_DISCARD(char **,
4729 &result->account_name),
4730 vals[0], &converted_size))
4731 {
4732 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4733 "failed: %s", strerror(errno)));
4734 }
4735 }
4736 else if (!pull_utf8_talloc(mem_ctx,
4737 CONST_DISCARD(char **,
4738 &result->account_name),
4739 vals[0], &converted_size))
4740 {
4741 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4742 strerror(errno)));
4743 }
4744
4745 ldap_value_free(vals);
4746
4747 vals = ldap_get_values(ld, entry, "description");
4748 if ((vals == NULL) || (vals[0] == NULL))
4749 DEBUG(8, ("\"description\" not found\n"));
4750 else if (!pull_utf8_talloc(mem_ctx,
4751 CONST_DISCARD(char **, &result->description),
4752 vals[0], &converted_size))
4753 {
4754 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4755 strerror(errno)));
4756 }
4757 ldap_value_free(vals);
4758
4759 if ((result->account_name == NULL) ||
4760 (result->fullname == NULL) ||
4761 (result->description == NULL)) {
4762 DEBUG(0, ("talloc failed\n"));
4763 return False;
4764 }
4765
4766 vals = ldap_get_values(ld, entry, "sambaSid");
4767 if ((vals == NULL) || (vals[0] == NULL)) {
4768 DEBUG(0, ("\"objectSid\" not found\n"));
4769 if (vals != NULL) {
4770 ldap_value_free(vals);
4771 }
4772 return False;
4773 }
4774
4775 if (!string_to_sid(&sid, vals[0])) {
4776 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4777 return False;
4778 }
4779
4780 ldap_value_free(vals);
4781
4782 switch (group_type) {
4783 case SID_NAME_DOM_GRP:
4784 case SID_NAME_ALIAS:
4785
4786 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4787 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4788 {
4789 DEBUG(0, ("%s is not in our domain\n",
4790 sid_string_dbg(&sid)));
4791 return False;
4792 }
4793 break;
4794
4795 default:
4796 DEBUG(0,("unknown group type: %d\n", group_type));
4797 return False;
4798 }
4799
4800 result->acct_flags = 0;
4801
4802 return True;
4803 }
4804
4805 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4806 struct pdb_search *search,
4807 const struct dom_sid *sid,
4808 enum lsa_SidType type)
4809 {
4810 struct ldapsam_privates *ldap_state =
4811 (struct ldapsam_privates *)methods->private_data;
4812 struct ldap_search_state *state;
4813 fstring tmp;
4814
4815 state = talloc(search, struct ldap_search_state);
4816 if (state == NULL) {
4817 DEBUG(0, ("talloc failed\n"));
4818 return False;
4819 }
4820
4821 state->connection = ldap_state->smbldap_state;
4822
4823 state->base = talloc_strdup(search, lp_ldap_suffix());
4824 state->connection = ldap_state->smbldap_state;
4825 state->scope = LDAP_SCOPE_SUBTREE;
4826 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4827 "(sambaGroupType=%d)(sambaSID=%s*))",
4828 LDAP_OBJ_GROUPMAP,
4829 type, sid_to_fstring(tmp, sid));
4830 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4831 "displayName", "description",
4832 "sambaGroupType", NULL);
4833 state->attrsonly = 0;
4834 state->pagedresults_cookie = NULL;
4835 state->entries = NULL;
4836 state->group_type = type;
4837 state->ldap2displayentry = ldapgroup2displayentry;
4838
4839 if ((state->filter == NULL) || (state->attrs == NULL)) {
4840 DEBUG(0, ("talloc failed\n"));
4841 return False;
4842 }
4843
4844 search->private_data = state;
4845 search->next_entry = ldapsam_search_next_entry;
4846 search->search_end = ldapsam_search_end;
4847
4848 return ldapsam_search_firstpage(search);
4849 }
4850
4851 static bool ldapsam_search_groups(struct pdb_methods *methods,
4852 struct pdb_search *search)
4853 {
4854 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4855 }
4856
4857 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4858 struct pdb_search *search,
4859 const struct dom_sid *sid)
4860 {
4861 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4862 }
4863
4864 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4865 {
4866 return PDB_CAP_STORE_RIDS;
4867 }
4868
4869 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4870 uint32_t *rid)
4871 {
4872 struct smbldap_state *smbldap_state = priv->smbldap_state;
4873
4874 LDAPMessage *result = NULL;
4875 LDAPMessage *entry = NULL;
4876 LDAPMod **mods = NULL;
4877 NTSTATUS status;
4878 char *value;
4879 int rc;
4880 uint32_t nextRid = 0;
4881 const char *dn;
4882
4883 TALLOC_CTX *mem_ctx;
4884
4885 mem_ctx = talloc_new(NULL);
4886 if (mem_ctx == NULL) {
4887 DEBUG(0, ("talloc_new failed\n"));
4888 return NT_STATUS_NO_MEMORY;
4889 }
4890
4891 status = smbldap_search_domain_info(smbldap_state, &result,
4892 get_global_sam_name(), False);
4893 if (!NT_STATUS_IS_OK(status)) {
4894 DEBUG(3, ("Could not get domain info: %s\n",
4895 nt_errstr(status)));
4896 goto done;
4897 }
4898
4899 talloc_autofree_ldapmsg(mem_ctx, result);
4900
4901 entry = ldap_first_entry(priv2ld(priv), result);
4902 if (entry == NULL) {
4903 DEBUG(0, ("Could not get domain info entry\n"));
4904 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4905 goto done;
4906 }
4907
4908 /* Find the largest of the three attributes "sambaNextRid",
4909 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4910 concept of differentiating between user and group rids, and will
4911 use only "sambaNextRid" in the future. But for compatibility
4912 reasons I look if others have chosen different strategies -- VL */
4913
4914 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4915 "sambaNextRid", mem_ctx);
4916 if (value != NULL) {
4917 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4918 nextRid = MAX(nextRid, tmp);
4919 }
4920
4921 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4922 "sambaNextUserRid", mem_ctx);
4923 if (value != NULL) {
4924 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4925 nextRid = MAX(nextRid, tmp);
4926 }
4927
4928 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4929 "sambaNextGroupRid", mem_ctx);
4930 if (value != NULL) {
4931 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4932 nextRid = MAX(nextRid, tmp);
4933 }
4934
4935 if (nextRid == 0) {
4936 nextRid = BASE_RID-1;
4937 }
4938
4939 nextRid += 1;
4940
4941 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4942 talloc_asprintf(mem_ctx, "%d", nextRid));
4943 talloc_autofree_ldapmod(mem_ctx, mods);
4944
4945 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4946 status = NT_STATUS_NO_MEMORY;
4947 goto done;
4948 }
4949
4950 rc = smbldap_modify(smbldap_state, dn, mods);
4951
4952 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4953 * please retry" */
4954
4955 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4956
4957 done:
4958 if (NT_STATUS_IS_OK(status)) {
4959 *rid = nextRid;
4960 }
4961
4962 TALLOC_FREE(mem_ctx);
4963 return status;
4964 }
4965
4966 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4967 {
4968 int i;
4969
4970 for (i=0; i<10; i++) {
4971 NTSTATUS result = ldapsam_get_new_rid(
4972 (struct ldapsam_privates *)methods->private_data, rid);
4973 if (NT_STATUS_IS_OK(result)) {
4974 return result;
4975 }
4976
4977 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4978 return result;
4979 }
4980
4981 /* The ldap update failed (maybe a race condition), retry */
4982 }
4983
4984 /* Tried 10 times, fail. */
4985 return NT_STATUS_ACCESS_DENIED;
4986 }
4987
4988 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4989 {
4990 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4991 return NT_STATUS_IS_OK(result) ? True : False;
4992 }
4993
4994 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4995 const struct dom_sid *sid,
4996 union unid_t *id, enum lsa_SidType *type)
4997 {
4998 struct ldapsam_privates *priv =
4999 (struct ldapsam_privates *)methods->private_data;
5000 char *filter;
5001 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5002 NULL };
5003 LDAPMessage *result = NULL;
5004 LDAPMessage *entry = NULL;
5005 bool ret = False;
5006 char *value;
5007 int rc;
5008
5009 TALLOC_CTX *mem_ctx;
5010
5011 mem_ctx = talloc_new(NULL);
5012 if (mem_ctx == NULL) {
5013 DEBUG(0, ("talloc_new failed\n"));
5014 return False;
5015 }
5016
5017 filter = talloc_asprintf(mem_ctx,
5018 "(&(sambaSid=%s)"
5019 "(|(objectClass=%s)(objectClass=%s)))",
5020 sid_string_talloc(mem_ctx, sid),
5021 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5022 if (filter == NULL) {
5023 DEBUG(5, ("talloc_asprintf failed\n"));
5024 goto done;
5025 }
5026
5027 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5028 attrs, &result);
5029 if (rc != LDAP_SUCCESS) {
5030 goto done;
5031 }
5032 talloc_autofree_ldapmsg(mem_ctx, result);
5033
5034 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5035 DEBUG(10, ("Got %d entries, expected one\n",
5036 ldap_count_entries(priv2ld(priv), result)));
5037 goto done;
5038 }
5039
5040 entry = ldap_first_entry(priv2ld(priv), result);
5041
5042 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5043 "sambaGroupType", mem_ctx);
5044
5045 if (value != NULL) {
5046 const char *gid_str;
5047 /* It's a group */
5048
5049 gid_str = smbldap_talloc_single_attribute(
5050 priv2ld(priv), entry, "gidNumber", mem_ctx);
5051 if (gid_str == NULL) {
5052 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5053 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5054 entry)));
5055 goto done;
5056 }
5057
5058 id->gid = strtoul(gid_str, NULL, 10);
5059 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5060 store_gid_sid_cache(sid, id->gid);
5061 idmap_cache_set_sid2gid(sid, id->gid);
5062 ret = True;
5063 goto done;
5064 }
5065
5066 /* It must be a user */
5067
5068 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5069 "uidNumber", mem_ctx);
5070 if (value == NULL) {
5071 DEBUG(1, ("Could not find uidNumber in %s\n",
5072 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5073 goto done;
5074 }
5075
5076 id->uid = strtoul(value, NULL, 10);
5077 *type = SID_NAME_USER;
5078 store_uid_sid_cache(sid, id->uid);
5079 idmap_cache_set_sid2uid(sid, id->uid);
5080
5081 ret = True;
5082 done:
5083 TALLOC_FREE(mem_ctx);
5084 return ret;
5085 }
5086
5087 /**
5088 * Find the SID for a uid.
5089 * This is shortcut is only used if ldapsam:trusted is set to true.
5090 */
5091 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5092 struct dom_sid *sid)
5093 {
5094 struct ldapsam_privates *priv =
5095 (struct ldapsam_privates *)methods->private_data;
5096 char *filter;
5097 const char *attrs[] = { "sambaSID", NULL };
5098 LDAPMessage *result = NULL;
5099 LDAPMessage *entry = NULL;
5100 bool ret = false;
5101 char *user_sid_string;
5102 struct dom_sid user_sid;
5103 int rc;
5104 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5105
5106 filter = talloc_asprintf(tmp_ctx,
5107 "(&(uidNumber=%u)"
5108 "(objectClass=%s)"
5109 "(objectClass=%s))",
5110 (unsigned int)uid,
5111 LDAP_OBJ_POSIXACCOUNT,
5112 LDAP_OBJ_SAMBASAMACCOUNT);
5113 if (filter == NULL) {
5114 DEBUG(3, ("talloc_asprintf failed\n"));
5115 goto done;
5116 }
5117
5118 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5119 if (rc != LDAP_SUCCESS) {
5120 goto done;
5121 }
5122 talloc_autofree_ldapmsg(tmp_ctx, result);
5123
5124 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5125 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5126 ldap_count_entries(priv2ld(priv), result),
5127 (unsigned int)uid));
5128 goto done;
5129 }
5130
5131 entry = ldap_first_entry(priv2ld(priv), result);
5132
5133 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5134 "sambaSID", tmp_ctx);
5135 if (user_sid_string == NULL) {
5136 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5137 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5138 goto done;
5139 }
5140
5141 if (!string_to_sid(&user_sid, user_sid_string)) {
5142 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5143 user_sid_string));
5144 goto done;
5145 }
5146
5147 sid_copy(sid, &user_sid);
5148
5149 store_uid_sid_cache(sid, uid);
5150 idmap_cache_set_sid2uid(sid, uid);
5151
5152 ret = true;
5153
5154 done:
5155 TALLOC_FREE(tmp_ctx);
5156 return ret;
5157 }
5158
5159 /**
5160 * Find the SID for a gid.
5161 * This is shortcut is only used if ldapsam:trusted is set to true.
5162 */
5163 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5164 struct dom_sid *sid)
5165 {
5166 struct ldapsam_privates *priv =
5167 (struct ldapsam_privates *)methods->private_data;
5168 char *filter;
5169 const char *attrs[] = { "sambaSID", NULL };
5170 LDAPMessage *result = NULL;
5171 LDAPMessage *entry = NULL;
5172 bool ret = false;
5173 char *group_sid_string;
5174 struct dom_sid group_sid;
5175 int rc;
5176 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5177
5178 filter = talloc_asprintf(tmp_ctx,
5179 "(&(gidNumber=%u)"
5180 "(objectClass=%s))",
5181 (unsigned int)gid,
5182 LDAP_OBJ_GROUPMAP);
5183 if (filter == NULL) {
5184 DEBUG(3, ("talloc_asprintf failed\n"));
5185 goto done;
5186 }
5187
5188 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5189 if (rc != LDAP_SUCCESS) {
5190 goto done;
5191 }
5192 talloc_autofree_ldapmsg(tmp_ctx, result);
5193
5194 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5195 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5196 ldap_count_entries(priv2ld(priv), result),
5197 (unsigned int)gid));
5198 goto done;
5199 }
5200
5201 entry = ldap_first_entry(priv2ld(priv), result);
5202
5203 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5204 "sambaSID", tmp_ctx);
5205 if (group_sid_string == NULL) {
5206 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5207 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5208 goto done;
5209 }
5210
5211 if (!string_to_sid(&group_sid, group_sid_string)) {
5212 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5213 group_sid_string));
5214 goto done;
5215 }
5216
5217 sid_copy(sid, &group_sid);
5218
5219 store_gid_sid_cache(sid, gid);
5220 idmap_cache_set_sid2gid(sid, gid);
5221
5222 ret = true;
5223
5224 done:
5225 TALLOC_FREE(tmp_ctx);
5226 return ret;
5227 }
5228
5229
5230 /*
5231 * The following functions are called only if
5232 * ldapsam:trusted and ldapsam:editposix are
5233 * set to true
5234 */
5235
5236 /*
5237 * ldapsam_create_user creates a new
5238 * posixAccount and sambaSamAccount object
5239 * in the ldap users subtree
5240 *
5241 * The uid is allocated by winbindd.
5242 */
5243
5244 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5245 TALLOC_CTX *tmp_ctx, const char *name,
5246 uint32_t acb_info, uint32_t *rid)
5247 {
5248 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5249 LDAPMessage *entry = NULL;
5250 LDAPMessage *result = NULL;
5251 uint32_t num_result;
5252 bool is_machine = False;
5253 bool add_posix = False;
5254 LDAPMod **mods = NULL;
5255 struct samu *user;
5256 char *filter;
5257 char *username;
5258 char *homedir;
5259 char *gidstr;
5260 char *uidstr;
5261 char *shell;
5262 const char *dn = NULL;
5263 struct dom_sid group_sid;
5264 struct dom_sid user_sid;
5265 gid_t gid = -1;
5266 uid_t uid = -1;
5267 NTSTATUS ret;
5268 int rc;
5269
5270 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5271 acb_info & ACB_WSTRUST ||
5272 acb_info & ACB_SVRTRUST ||
5273 acb_info & ACB_DOMTRUST) {
5274 is_machine = True;
5275 }
5276
5277 username = escape_ldap_string(talloc_tos(), name);
5278 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5279 username, LDAP_OBJ_POSIXACCOUNT);
5280 TALLOC_FREE(username);
5281
5282 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5283 if (rc != LDAP_SUCCESS) {
5284 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5285 return NT_STATUS_ACCESS_DENIED;
5286 }
5287 talloc_autofree_ldapmsg(tmp_ctx, result);
5288
5289 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5290
5291 if (num_result > 1) {
5292 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5293 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5294 }
5295
5296 if (num_result == 1) {
5297 char *tmp;
5298 /* check if it is just a posix account.
5299 * or if there is a sid attached to this entry
5300 */
5301
5302 entry = ldap_first_entry(priv2ld(ldap_state), result);
5303 if (!entry) {
5304 return NT_STATUS_UNSUCCESSFUL;
5305 }
5306
5307 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5308 if (tmp) {
5309 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5310 return NT_STATUS_USER_EXISTS;
5311 }
5312
5313 /* it is just a posix account, retrieve the dn for later use */
5314 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5315 if (!dn) {
5316 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5317 return NT_STATUS_NO_MEMORY;
5318 }
5319 }
5320
5321 if (num_result == 0) {
5322 add_posix = True;
5323 }
5324
5325 /* Create the basic samu structure and generate the mods for the ldap commit */
5326 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5327 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5328 return ret;
5329 }
5330
5331 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5332
5333 user = samu_new(tmp_ctx);
5334 if (!user) {
5335 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5336 return NT_STATUS_NO_MEMORY;
5337 }
5338
5339 if (!pdb_set_username(user, name, PDB_SET)) {
5340 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5341 return NT_STATUS_UNSUCCESSFUL;
5342 }
5343 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5344 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5345 return NT_STATUS_UNSUCCESSFUL;
5346 }
5347 if (is_machine) {
5348 if (acb_info & ACB_NORMAL) {
5349 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5350 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5351 return NT_STATUS_UNSUCCESSFUL;
5352 }
5353 } else {
5354 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5355 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5356 return NT_STATUS_UNSUCCESSFUL;
5357 }
5358 }
5359 } else {
5360 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5361 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5362 return NT_STATUS_UNSUCCESSFUL;
5363 }
5364 }
5365
5366 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5367 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5368 return NT_STATUS_UNSUCCESSFUL;
5369 }
5370
5371 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, element_is_set_or_changed)) {
5372 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5373 return NT_STATUS_UNSUCCESSFUL;
5374 }
5375
5376 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5377 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5378 }
5379 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5380
5381 if (add_posix) {
5382 char *escape_name;
5383
5384 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5385
5386 /* retrieve the Domain Users group gid */
5387 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5388 !sid_to_gid(&group_sid, &gid)) {
5389 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5390 return NT_STATUS_INVALID_PRIMARY_GROUP;
5391 }
5392
5393 /* lets allocate a new userid for this user */
5394 if (!winbind_allocate_uid(&uid)) {
5395 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5396 return NT_STATUS_UNSUCCESSFUL;
5397 }
5398
5399
5400 if (is_machine) {
5401 /* TODO: choose a more appropriate default for machines */
5402 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5403 shell = talloc_strdup(tmp_ctx, "/bin/false");
5404 } else {
5405 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5406 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5407 }
5408 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5409 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5410
5411 escape_name = escape_rdn_val_string_alloc(name);
5412 if (!escape_name) {
5413 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5414 return NT_STATUS_NO_MEMORY;
5415 }
5416
5417 if (is_machine) {
5418 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5419 } else {
5420 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5421 }
5422
5423 SAFE_FREE(escape_name);
5424
5425 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5426 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5427 return NT_STATUS_NO_MEMORY;
5428 }
5429
5430 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5431 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5432 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5433 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5434 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5435 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5436 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5437 }
5438
5439 talloc_autofree_ldapmod(tmp_ctx, mods);
5440
5441 if (add_posix) {
5442 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5443 } else {
5444 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5445 }
5446
5447 if (rc != LDAP_SUCCESS) {
5448 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5449 return NT_STATUS_UNSUCCESSFUL;
5450 }
5451
5452 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5453
5454 flush_pwnam_cache();
5455
5456 return NT_STATUS_OK;
5457 }
5458
5459 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5460 {
5461 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5462 LDAPMessage *result = NULL;
5463 LDAPMessage *entry = NULL;
5464 int num_result;
5465 const char *dn;
5466 char *filter;
5467 int rc;
5468
5469 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5470
5471 filter = talloc_asprintf(tmp_ctx,
5472 "(&(uid=%s)"
5473 "(objectClass=%s)"
5474 "(objectClass=%s))",
5475 pdb_get_username(sam_acct),
5476 LDAP_OBJ_POSIXACCOUNT,
5477 LDAP_OBJ_SAMBASAMACCOUNT);
5478 if (filter == NULL) {
5479 return NT_STATUS_NO_MEMORY;
5480 }
5481
5482 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5483 if (rc != LDAP_SUCCESS) {
5484 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5485 return NT_STATUS_UNSUCCESSFUL;
5486 }
5487 talloc_autofree_ldapmsg(tmp_ctx, result);
5488
5489 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5490
5491 if (num_result == 0) {
5492 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5493 return NT_STATUS_NO_SUCH_USER;
5494 }
5495
5496 if (num_result > 1) {
5497 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5498 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5499 }
5500
5501 entry = ldap_first_entry(priv2ld(ldap_state), result);
5502 if (!entry) {
5503 return NT_STATUS_UNSUCCESSFUL;
5504 }
5505
5506 /* it is just a posix account, retrieve the dn for later use */
5507 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5508 if (!dn) {
5509 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5510 return NT_STATUS_NO_MEMORY;
5511 }
5512
5513 /* try to remove memberships first */
5514 {
5515 NTSTATUS status;
5516 struct dom_sid *sids = NULL;
5517 gid_t *gids = NULL;
5518 uint32_t num_groups = 0;
5519 int i;
5520 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5521
5522 status = ldapsam_enum_group_memberships(my_methods,
5523 tmp_ctx,
5524 sam_acct,
5525 &sids,
5526 &gids,
5527 &num_groups);
5528 if (!NT_STATUS_IS_OK(status)) {
5529 goto delete_dn;
5530 }
5531
5532 for (i=0; i < num_groups; i++) {
5533
5534 uint32_t group_rid;
5535
5536 sid_peek_rid(&sids[i], &group_rid);
5537
5538 ldapsam_del_groupmem(my_methods,
5539 tmp_ctx,
5540 group_rid,
5541 user_rid);
5542 }
5543 }
5544
5545 delete_dn:
5546
5547 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5548 if (rc != LDAP_SUCCESS) {
5549 return NT_STATUS_UNSUCCESSFUL;
5550 }
5551
5552 flush_pwnam_cache();
5553
5554 return NT_STATUS_OK;
5555 }
5556
5557 /*
5558 * ldapsam_create_group creates a new
5559 * posixGroup and sambaGroupMapping object
5560 * in the ldap groups subtree
5561 *
5562 * The gid is allocated by winbindd.
5563 */
5564
5565 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5566 TALLOC_CTX *tmp_ctx,
5567 const char *name,
5568 uint32_t *rid)
5569 {
5570 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5571 NTSTATUS ret;
5572 LDAPMessage *entry = NULL;
5573 LDAPMessage *result = NULL;
5574 uint32_t num_result;
5575 bool is_new_entry = False;
5576 LDAPMod **mods = NULL;
5577 char *filter;
5578 char *groupsidstr;
5579 char *groupname;
5580 char *grouptype;
5581 char *gidstr;
5582 const char *dn = NULL;
5583 struct dom_sid group_sid;
5584 gid_t gid = -1;
5585 int rc;
5586
5587 groupname = escape_ldap_string(talloc_tos(), name);
5588 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5589 groupname, LDAP_OBJ_POSIXGROUP);
5590 TALLOC_FREE(groupname);
5591
5592 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5593 if (rc != LDAP_SUCCESS) {
5594 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5595 return NT_STATUS_UNSUCCESSFUL;
5596 }
5597 talloc_autofree_ldapmsg(tmp_ctx, result);
5598
5599 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5600
5601 if (num_result > 1) {
5602 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5603 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5604 }
5605
5606 if (num_result == 1) {
5607 char *tmp;
5608 /* check if it is just a posix group.
5609 * or if there is a sid attached to this entry
5610 */
5611
5612 entry = ldap_first_entry(priv2ld(ldap_state), result);
5613 if (!entry) {
5614 return NT_STATUS_UNSUCCESSFUL;
5615 }
5616
5617 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5618 if (tmp) {
5619 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5620 return NT_STATUS_GROUP_EXISTS;
5621 }
5622
5623 /* it is just a posix group, retrieve the gid and the dn for later use */
5624 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5625 if (!tmp) {
5626 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5627 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5628 }
5629
5630 gid = strtoul(tmp, NULL, 10);
5631
5632 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5633 if (!dn) {
5634 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5635 return NT_STATUS_NO_MEMORY;
5636 }
5637 }
5638
5639 if (num_result == 0) {
5640 is_new_entry = true;
5641 }
5642
5643 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5644 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5645 return ret;
5646 }
5647
5648 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5649
5650 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5651 &group_sid));
5652 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5653
5654 if (!groupsidstr || !grouptype) {
5655 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5656 return NT_STATUS_NO_MEMORY;
5657 }
5658
5659 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5660 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5661 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5662 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5663
5664 if (is_new_entry) {
5665 char *escape_name;
5666
5667 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5668
5669 /* lets allocate a new groupid for this group */
5670 if (!winbind_allocate_gid(&gid)) {
5671 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5672 return NT_STATUS_UNSUCCESSFUL;
5673 }
5674
5675 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5676
5677 escape_name = escape_rdn_val_string_alloc(name);
5678 if (!escape_name) {
5679 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5680 return NT_STATUS_NO_MEMORY;
5681 }
5682
5683 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5684
5685 SAFE_FREE(escape_name);
5686
5687 if (!gidstr || !dn) {
5688 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5689 return NT_STATUS_NO_MEMORY;
5690 }
5691
5692 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5693 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5694 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5695 }
5696
5697 talloc_autofree_ldapmod(tmp_ctx, mods);
5698
5699 if (is_new_entry) {
5700 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5701 #if 0
5702 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5703 /* This call may fail with rfc2307bis schema */
5704 /* Retry adding a structural class */
5705 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5706 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5707 }
5708 #endif
5709 } else {
5710 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5711 }
5712
5713 if (rc != LDAP_SUCCESS) {
5714 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5715 return NT_STATUS_UNSUCCESSFUL;
5716 }
5717
5718 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5719
5720 return NT_STATUS_OK;
5721 }
5722
5723 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5724 {
5725 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5726 LDAPMessage *result = NULL;
5727 LDAPMessage *entry = NULL;
5728 int num_result;
5729 const char *dn;
5730 char *gidstr;
5731 char *filter;
5732 struct dom_sid group_sid;
5733 int rc;
5734
5735 /* get the group sid */
5736 sid_compose(&group_sid, get_global_sam_sid(), rid);
5737
5738 filter = talloc_asprintf(tmp_ctx,
5739 "(&(sambaSID=%s)"
5740 "(objectClass=%s)"
5741 "(objectClass=%s))",
5742 sid_string_talloc(tmp_ctx, &group_sid),
5743 LDAP_OBJ_POSIXGROUP,
5744 LDAP_OBJ_GROUPMAP);
5745 if (filter == NULL) {
5746 return NT_STATUS_NO_MEMORY;
5747 }
5748
5749 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5750 if (rc != LDAP_SUCCESS) {
5751 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5752 return NT_STATUS_UNSUCCESSFUL;
5753 }
5754 talloc_autofree_ldapmsg(tmp_ctx, result);
5755
5756 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5757
5758 if (num_result == 0) {
5759 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5760 return NT_STATUS_NO_SUCH_GROUP;
5761 }
5762
5763 if (num_result > 1) {
5764 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5765 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5766 }
5767
5768 entry = ldap_first_entry(priv2ld(ldap_state), result);
5769 if (!entry) {
5770 return NT_STATUS_UNSUCCESSFUL;
5771 }
5772
5773 /* here it is, retrieve the dn for later use */
5774 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5775 if (!dn) {
5776 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5777 return NT_STATUS_NO_MEMORY;
5778 }
5779
5780 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5781 if (!gidstr) {
5782 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5783 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5784 }
5785
5786 /* check no user have this group marked as primary group */
5787 filter = talloc_asprintf(tmp_ctx,
5788 "(&(gidNumber=%s)"
5789 "(objectClass=%s)"
5790 "(objectClass=%s))",
5791 gidstr,
5792 LDAP_OBJ_POSIXACCOUNT,
5793 LDAP_OBJ_SAMBASAMACCOUNT);
5794
5795 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5796 if (rc != LDAP_SUCCESS) {
5797 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5798 return NT_STATUS_UNSUCCESSFUL;
5799 }
5800 talloc_autofree_ldapmsg(tmp_ctx, result);
5801
5802 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5803
5804 if (num_result != 0) {
5805 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5806 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5807 }
5808
5809 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5810 if (rc != LDAP_SUCCESS) {
5811 return NT_STATUS_UNSUCCESSFUL;
5812 }
5813
5814 return NT_STATUS_OK;
5815 }
5816
5817 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5818 TALLOC_CTX *tmp_ctx,
5819 uint32_t group_rid,
5820 uint32_t member_rid,
5821 int modop)
5822 {
5823 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5824 LDAPMessage *entry = NULL;
5825 LDAPMessage *result = NULL;
5826 uint32_t num_result;
5827 LDAPMod **mods = NULL;
5828 char *filter;
5829 char *uidstr;
5830 const char *dn = NULL;
5831 struct dom_sid group_sid;
5832 struct dom_sid member_sid;
5833 int rc;
5834
5835 switch (modop) {
5836 case LDAP_MOD_ADD:
5837 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5838 break;
5839 case LDAP_MOD_DELETE:
5840 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5841 break;
5842 default:
5843 return NT_STATUS_UNSUCCESSFUL;
5844 }
5845
5846 /* get member sid */
5847 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5848
5849 /* get the group sid */
5850 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5851
5852 filter = talloc_asprintf(tmp_ctx,
5853 "(&(sambaSID=%s)"
5854 "(objectClass=%s)"
5855 "(objectClass=%s))",
5856 sid_string_talloc(tmp_ctx, &member_sid),
5857 LDAP_OBJ_POSIXACCOUNT,
5858 LDAP_OBJ_SAMBASAMACCOUNT);
5859 if (filter == NULL) {
5860 return NT_STATUS_NO_MEMORY;
5861 }
5862
5863 /* get the member uid */
5864 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5865 if (rc != LDAP_SUCCESS) {
5866 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5867 return NT_STATUS_UNSUCCESSFUL;
5868 }
5869 talloc_autofree_ldapmsg(tmp_ctx, result);
5870
5871 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5872
5873 if (num_result == 0) {
5874 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5875 return NT_STATUS_NO_SUCH_MEMBER;
5876 }
5877
5878 if (num_result > 1) {
5879 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5880 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5881 }
5882
5883 entry = ldap_first_entry(priv2ld(ldap_state), result);
5884 if (!entry) {
5885 return NT_STATUS_UNSUCCESSFUL;
5886 }
5887
5888 if (modop == LDAP_MOD_DELETE) {
5889 /* check if we are trying to remove the member from his primary group */
5890 char *gidstr;
5891 gid_t user_gid, group_gid;
5892
5893 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5894 if (!gidstr) {
5895 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5896 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5897 }
5898
5899 user_gid = strtoul(gidstr, NULL, 10);
5900
5901 if (!sid_to_gid(&group_sid, &group_gid)) {
5902 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5903 return NT_STATUS_UNSUCCESSFUL;
5904 }
5905
5906 if (user_gid == group_gid) {
5907 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5908 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5909 }
5910 }
5911
5912 /* here it is, retrieve the uid for later use */
5913 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5914 if (!uidstr) {
5915 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5916 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5917 }
5918
5919 filter = talloc_asprintf(tmp_ctx,
5920 "(&(sambaSID=%s)"
5921 "(objectClass=%s)"
5922 "(objectClass=%s))",
5923 sid_string_talloc(tmp_ctx, &group_sid),
5924 LDAP_OBJ_POSIXGROUP,
5925 LDAP_OBJ_GROUPMAP);
5926
5927 /* get the group */
5928 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5929 if (rc != LDAP_SUCCESS) {
5930 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5931 return NT_STATUS_UNSUCCESSFUL;
5932 }
5933 talloc_autofree_ldapmsg(tmp_ctx, result);
5934
5935 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5936
5937 if (num_result == 0) {
5938 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5939 return NT_STATUS_NO_SUCH_GROUP;
5940 }
5941
5942 if (num_result > 1) {
5943 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5944 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5945 }
5946
5947 entry = ldap_first_entry(priv2ld(ldap_state), result);
5948 if (!entry) {
5949 return NT_STATUS_UNSUCCESSFUL;
5950 }
5951
5952 /* here it is, retrieve the dn for later use */
5953 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5954 if (!dn) {
5955 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5956 return NT_STATUS_NO_MEMORY;
5957 }
5958
5959 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5960
5961 talloc_autofree_ldapmod(tmp_ctx, mods);
5962
5963 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5964 if (rc != LDAP_SUCCESS) {
5965 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5966 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5967 return NT_STATUS_MEMBER_IN_GROUP;
5968 }
5969 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5970 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5971 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5972 }
5973 return NT_STATUS_UNSUCCESSFUL;
5974 }
5975
5976 return NT_STATUS_OK;
5977 }
5978
5979 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5980 TALLOC_CTX *tmp_ctx,
5981 uint32_t group_rid,
5982 uint32_t member_rid)
5983 {
5984 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5985 }
5986 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5987 TALLOC_CTX *tmp_ctx,
5988 uint32_t group_rid,
5989 uint32_t member_rid)
5990 {
5991 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5992 }
5993
5994 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5995 TALLOC_CTX *mem_ctx,
5996 struct samu *sampass)
5997 {
5998 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5999 LDAPMessage *entry = NULL;
6000 LDAPMessage *result = NULL;
6001 uint32_t num_result;
6002 LDAPMod **mods = NULL;
6003 char *filter;
6004 char *escape_username;
6005 char *gidstr;
6006 const char *dn = NULL;
6007 gid_t gid;
6008 int rc;
6009
6010 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6011
6012 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6013 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6014 return NT_STATUS_UNSUCCESSFUL;
6015 }
6016 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6017 if (!gidstr) {
6018 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6019 return NT_STATUS_NO_MEMORY;
6020 }
6021
6022 escape_username = escape_ldap_string(talloc_tos(),
6023 pdb_get_username(sampass));
6024 if (escape_username== NULL) {
6025 return NT_STATUS_NO_MEMORY;
6026 }
6027
6028 filter = talloc_asprintf(mem_ctx,
6029 "(&(uid=%s)"
6030 "(objectClass=%s)"
6031 "(objectClass=%s))",
6032 escape_username,
6033 LDAP_OBJ_POSIXACCOUNT,
6034 LDAP_OBJ_SAMBASAMACCOUNT);
6035
6036 TALLOC_FREE(escape_username);
6037
6038 if (filter == NULL) {
6039 return NT_STATUS_NO_MEMORY;
6040 }
6041
6042 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6043 if (rc != LDAP_SUCCESS) {
6044 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6045 return NT_STATUS_UNSUCCESSFUL;
6046 }
6047 talloc_autofree_ldapmsg(mem_ctx, result);
6048
6049 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6050
6051 if (num_result == 0) {
6052 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6053 return NT_STATUS_NO_SUCH_USER;
6054 }
6055
6056 if (num_result > 1) {
6057 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6058 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6059 }
6060
6061 entry = ldap_first_entry(priv2ld(ldap_state), result);
6062 if (!entry) {
6063 return NT_STATUS_UNSUCCESSFUL;
6064 }
6065
6066 /* retrieve the dn for later use */
6067 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6068 if (!dn) {
6069 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6070 return NT_STATUS_NO_MEMORY;
6071 }
6072
6073 /* remove the old one, and add the new one, this way we do not risk races */
6074 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6075
6076 if (mods == NULL) {
6077 return NT_STATUS_OK;
6078 }
6079
6080 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6081
6082 if (rc != LDAP_SUCCESS) {
6083 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6084 pdb_get_username(sampass), gidstr));
6085 return NT_STATUS_UNSUCCESSFUL;
6086 }
6087
6088 flush_pwnam_cache();
6089
6090 return NT_STATUS_OK;
6091 }
6092
6093
6094 /**********************************************************************
6095 trusted domains functions
6096 *********************************************************************/
6097
6098 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6099 const char *domain)
6100 {
6101 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6102 ldap_state->domain_dn);
6103 }
6104
6105 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6106 TALLOC_CTX *mem_ctx,
6107 const char *domain, LDAPMessage **entry)
6108 {
6109 int rc;
6110 char *filter;
6111 int scope = LDAP_SCOPE_SUBTREE;
6112 const char **attrs = NULL; /* NULL: get all attrs */
6113 int attrsonly = 0; /* 0: return values too */
6114 LDAPMessage *result = NULL;
6115 char *trusted_dn;
6116 uint32_t num_result;
6117
6118 filter = talloc_asprintf(talloc_tos(),
6119 "(&(objectClass=%s)(sambaDomainName=%s))",
6120 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6121
6122 trusted_dn = trusteddom_dn(ldap_state, domain);
6123 if (trusted_dn == NULL) {
6124 return False;
6125 }
6126 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6127 filter, attrs, attrsonly, &result);
6128
6129 if (result != NULL) {
6130 talloc_autofree_ldapmsg(mem_ctx, result);
6131 }
6132
6133 if (rc == LDAP_NO_SUCH_OBJECT) {
6134 *entry = NULL;
6135 return True;
6136 }
6137
6138 if (rc != LDAP_SUCCESS) {
6139 return False;
6140 }
6141
6142 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6143
6144 if (num_result > 1) {
6145 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6146 "%s object for domain '%s'?!\n",
6147 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6148 return False;
6149 }
6150
6151 if (num_result == 0) {
6152 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6153 "%s object for domain %s.\n",
6154 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6155 *entry = NULL;
6156 } else {
6157 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6158 }
6159
6160 return True;
6161 }
6162
6163 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6164 const char *domain,
6165 char** pwd,
6166 struct dom_sid *sid,
6167 time_t *pass_last_set_time)
6168 {
6169 struct ldapsam_privates *ldap_state =
6170 (struct ldapsam_privates *)methods->private_data;
6171 LDAPMessage *entry = NULL;
6172
6173 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6174
6175 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6176 (entry == NULL))
6177 {
6178 return False;
6179 }
6180
6181 /* password */
6182 if (pwd != NULL) {
6183 char *pwd_str;
6184 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6185 entry, "sambaClearTextPassword", talloc_tos());
6186 if (pwd_str == NULL) {
6187 return False;
6188 }
6189 /* trusteddom_pw routines do not use talloc yet... */
6190 *pwd = SMB_STRDUP(pwd_str);
6191 if (*pwd == NULL) {
6192 return False;
6193 }
6194 }
6195
6196 /* last change time */
6197 if (pass_last_set_time != NULL) {
6198 char *time_str;
6199 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6200 entry, "sambaPwdLastSet", talloc_tos());
6201 if (time_str == NULL) {
6202 return False;
6203 }
6204 *pass_last_set_time = (time_t)atol(time_str);
6205 }
6206
6207 /* domain sid */
6208 if (sid != NULL) {
6209 char *sid_str;
6210 struct dom_sid dom_sid;
6211 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6212 entry, "sambaSID",
6213 talloc_tos());
6214 if (sid_str == NULL) {
6215 return False;
6216 }
6217 if (!string_to_sid(&dom_sid, sid_str)) {
6218 return False;
6219 }
6220 sid_copy(sid, &dom_sid);
6221 }
6222
6223 return True;
6224 }
6225
6226 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6227 const char* domain,
6228 const char* pwd,
6229 const struct dom_sid *sid)
6230 {
6231 struct ldapsam_privates *ldap_state =
6232 (struct ldapsam_privates *)methods->private_data;
6233 LDAPMessage *entry = NULL;
6234 LDAPMod **mods = NULL;
6235 char *prev_pwd = NULL;
6236 char *trusted_dn = NULL;
6237 int rc;
6238
6239 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6240
6241 /*
6242 * get the current entry (if there is one) in order to put the
6243 * current password into the previous password attribute
6244 */
6245 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6246 return False;
6247 }
6248
6249 mods = NULL;
6250 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6251 LDAP_OBJ_TRUSTDOM_PASSWORD);
6252 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6253 domain);
6254 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6255 sid_string_tos(sid));
6256 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6257 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6258 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6259 "sambaClearTextPassword", pwd);
6260
6261 if (entry != NULL) {
6262 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6263 entry, "sambaClearTextPassword", talloc_tos());
6264 if (prev_pwd != NULL) {
6265 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6266 "sambaPreviousClearTextPassword",
6267 prev_pwd);
6268 }
6269 }
6270
6271 talloc_autofree_ldapmod(talloc_tos(), mods);
6272
6273 trusted_dn = trusteddom_dn(ldap_state, domain);
6274 if (trusted_dn == NULL) {
6275 return False;
6276 }
6277 if (entry == NULL) {
6278 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6279 } else {
6280 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6281 }
6282
6283 if (rc != LDAP_SUCCESS) {
6284 DEBUG(1, ("error writing trusted domain password!\n"));
6285 return False;
6286 }
6287
6288 return True;
6289 }
6290
6291 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6292 const char *domain)
6293 {
6294 int rc;
6295 struct ldapsam_privates *ldap_state =
6296 (struct ldapsam_privates *)methods->private_data;
6297 LDAPMessage *entry = NULL;
6298 const char *trusted_dn;
6299
6300 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6301 return False;
6302 }
6303
6304 if (entry == NULL) {
6305 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6306 "%s\n", domain));
6307 return True;
6308 }
6309
6310 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6311 entry);
6312 if (trusted_dn == NULL) {
6313 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6314 return False;
6315 }
6316
6317 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6318 if (rc != LDAP_SUCCESS) {
6319 return False;
6320 }
6321
6322 return True;
6323 }
6324
6325 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6326 TALLOC_CTX *mem_ctx,
6327 uint32_t *num_domains,
6328 struct trustdom_info ***domains)
6329 {
6330 int rc;
6331 struct ldapsam_privates *ldap_state =
6332 (struct ldapsam_privates *)methods->private_data;
6333 char *filter;
6334 int scope = LDAP_SCOPE_SUBTREE;
6335 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6336 int attrsonly = 0; /* 0: return values too */
6337 LDAPMessage *result = NULL;
6338 LDAPMessage *entry = NULL;
6339
6340 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6341 LDAP_OBJ_TRUSTDOM_PASSWORD);
6342
6343 rc = smbldap_search(ldap_state->smbldap_state,
6344 ldap_state->domain_dn,
6345 scope,
6346 filter,
6347 attrs,
6348 attrsonly,
6349 &result);
6350
6351 if (result != NULL) {
6352 talloc_autofree_ldapmsg(mem_ctx, result);
6353 }
6354
6355 if (rc != LDAP_SUCCESS) {
6356 return NT_STATUS_UNSUCCESSFUL;
6357 }
6358
6359 *num_domains = 0;
6360 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6361 DEBUG(1, ("talloc failed\n"));
6362 return NT_STATUS_NO_MEMORY;
6363 }
6364
6365 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6366 entry != NULL;
6367 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6368 {
6369 char *dom_name, *dom_sid_str;
6370 struct trustdom_info *dom_info;
6371
6372 dom_info = TALLOC_P(*domains, struct trustdom_info);
6373 if (dom_info == NULL) {
6374 DEBUG(1, ("talloc failed\n"));
6375 return NT_STATUS_NO_MEMORY;
6376 }
6377
6378 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6379 entry,
6380 "sambaDomainName",
6381 talloc_tos());
6382 if (dom_name == NULL) {
6383 DEBUG(1, ("talloc failed\n"));
6384 return NT_STATUS_NO_MEMORY;
6385 }
6386 dom_info->name = dom_name;
6387
6388 dom_sid_str = smbldap_talloc_single_attribute(
6389 priv2ld(ldap_state), entry, "sambaSID",
6390 talloc_tos());
6391 if (dom_sid_str == NULL) {
6392 DEBUG(1, ("talloc failed\n"));
6393 return NT_STATUS_NO_MEMORY;
6394 }
6395 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6396 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6397 dom_sid_str));
6398 return NT_STATUS_UNSUCCESSFUL;
6399 }
6400
6401 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6402 domains, num_domains);
6403
6404 if (*domains == NULL) {
6405 DEBUG(1, ("talloc failed\n"));
6406 return NT_STATUS_NO_MEMORY;
6407 }
6408 }
6409
6410 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6411 return NT_STATUS_OK;
6412 }
6413
6414
6415 /**********************************************************************
6416 Housekeeping
6417 *********************************************************************/
6418
6419 static void free_private_data(void **vp)
6420 {
6421 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6422
6423 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6424
6425 if ((*ldap_state)->result != NULL) {
6426 ldap_msgfree((*ldap_state)->result);
6427 (*ldap_state)->result = NULL;
6428 }
6429 if ((*ldap_state)->domain_dn != NULL) {
6430 SAFE_FREE((*ldap_state)->domain_dn);
6431 }
6432
6433 *ldap_state = NULL;
6434
6435 /* No need to free any further, as it is talloc()ed */
6436 }
6437
6438 /*********************************************************************
6439 Intitalise the parts of the pdb_methods structure that are common to
6440 all pdb_ldap modes
6441 *********************************************************************/
6442
6443 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6444 {
6445 NTSTATUS nt_status;
6446 struct ldapsam_privates *ldap_state;
6447
6448 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6449 return nt_status;
6450 }
6451
6452 (*pdb_method)->name = "ldapsam";
6453
6454 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6455 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6456 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6457 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6458 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6459 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6460
6461 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6462 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6463 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6464 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6465 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6466 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6467 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6468
6469 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6470 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6471
6472 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6473
6474 (*pdb_method)->capabilities = ldapsam_capabilities;
6475 (*pdb_method)->new_rid = ldapsam_new_rid;
6476
6477 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6478 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6479 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6480 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6481
6482 /* TODO: Setup private data and free */
6483
6484 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6485 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6486 return NT_STATUS_NO_MEMORY;
6487 }
6488
6489 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6490 location, &ldap_state->smbldap_state);
6491
6492 if ( !NT_STATUS_IS_OK(nt_status) ) {
6493 return nt_status;
6494 }
6495
6496 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6497 return NT_STATUS_NO_MEMORY;
6498 }
6499
6500 (*pdb_method)->private_data = ldap_state;
6501
6502 (*pdb_method)->free_private_data = free_private_data;
6503
6504 return NT_STATUS_OK;
6505 }
6506
6507 /**********************************************************************
6508 Initialise the 'compat' mode for pdb_ldap
6509 *********************************************************************/
6510
6511 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6512 {
6513 NTSTATUS nt_status;
6514 struct ldapsam_privates *ldap_state;
6515 char *uri = talloc_strdup( NULL, location );
6516
6517 trim_char( uri, '\"', '\"' );
6518 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6519 if ( uri )
6520 TALLOC_FREE( uri );
6521
6522 if ( !NT_STATUS_IS_OK(nt_status) ) {
6523 return nt_status;
6524 }
6525
6526 (*pdb_method)->name = "ldapsam_compat";
6527
6528 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6529 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6530
6531 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6532
6533 return NT_STATUS_OK;
6534 }
6535
6536 /**********************************************************************
6537 Initialise the normal mode for pdb_ldap
6538 *********************************************************************/
6539
6540 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6541 {
6542 NTSTATUS nt_status;
6543 struct ldapsam_privates *ldap_state = NULL;
6544 uint32_t alg_rid_base;
6545 char *alg_rid_base_string = NULL;
6546 LDAPMessage *result = NULL;
6547 LDAPMessage *entry = NULL;
6548 struct dom_sid ldap_domain_sid;
6549 struct dom_sid secrets_domain_sid;
6550 char *domain_sid_string = NULL;
6551 char *dn = NULL;
6552 char *uri = talloc_strdup( NULL, location );
6553
6554 trim_char( uri, '\"', '\"' );
6555 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6556
6557 TALLOC_FREE(uri);
6558
6559 if (!NT_STATUS_IS_OK(nt_status)) {
6560 return nt_status;
6561 }
6562
6563 (*pdb_method)->name = "ldapsam";
6564
6565 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6566 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6567 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6568 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6569 (*pdb_method)->search_users = ldapsam_search_users;
6570 (*pdb_method)->search_groups = ldapsam_search_groups;
6571 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6572
6573 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6574 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6575 (*pdb_method)->enum_group_memberships =
6576 ldapsam_enum_group_memberships;
6577 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6578 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6579 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6580 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6581
6582 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6583 (*pdb_method)->create_user = ldapsam_create_user;
6584 (*pdb_method)->delete_user = ldapsam_delete_user;
6585 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6586 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6587 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6588 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6589 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6590 }
6591 }
6592
6593 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6594 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6595
6596 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6597
6598 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6599 &result,
6600 ldap_state->domain_name, True);
6601
6602 if ( !NT_STATUS_IS_OK(nt_status) ) {
6603 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6604 "info, nor add one to the domain\n"));
6605 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6606 "will be unable to allocate new users/groups, "
6607 "and will risk BDCs having inconsistent SIDs\n"));
6608 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6609 return NT_STATUS_OK;
6610 }
6611
6612 /* Given that the above might fail, everything below this must be
6613 * optional */
6614
6615 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6616 result);
6617 if (!entry) {
6618 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6619 "entry\n"));
6620 ldap_msgfree(result);
6621 return NT_STATUS_UNSUCCESSFUL;
6622 }
6623
6624 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6625 if (!dn) {
6626 ldap_msgfree(result);
6627 return NT_STATUS_UNSUCCESSFUL;
6628 }
6629
6630 ldap_state->domain_dn = smb_xstrdup(dn);
6631 TALLOC_FREE(dn);
6632
6633 domain_sid_string = smbldap_talloc_single_attribute(
6634 ldap_state->smbldap_state->ldap_struct,
6635 entry,
6636 get_userattr_key2string(ldap_state->schema_ver,
6637 LDAP_ATTR_USER_SID),
6638 talloc_tos());
6639
6640 if (domain_sid_string) {
6641 bool found_sid;
6642 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6643 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6644 "read as a valid SID\n", domain_sid_string));
6645 ldap_msgfree(result);
6646 TALLOC_FREE(domain_sid_string);
6647 return NT_STATUS_INVALID_PARAMETER;
6648 }
6649 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6650 &secrets_domain_sid);
6651 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6652 &ldap_domain_sid)) {
6653 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6654 "%s based on pdb_ldap results %s -> %s\n",
6655 ldap_state->domain_name,
6656 sid_string_dbg(&secrets_domain_sid),
6657 sid_string_dbg(&ldap_domain_sid)));
6658
6659 /* reset secrets.tdb sid */
6660 secrets_store_domain_sid(ldap_state->domain_name,
6661 &ldap_domain_sid);
6662 DEBUG(1, ("New global sam SID: %s\n",
6663 sid_string_dbg(get_global_sam_sid())));
6664 }
6665 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6666 TALLOC_FREE(domain_sid_string);
6667 }
6668
6669 alg_rid_base_string = smbldap_talloc_single_attribute(
6670 ldap_state->smbldap_state->ldap_struct,
6671 entry,
6672 get_attr_key2string( dominfo_attr_list,
6673 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6674 talloc_tos());
6675 if (alg_rid_base_string) {
6676 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6677 if (alg_rid_base != algorithmic_rid_base()) {
6678 DEBUG(0, ("The value of 'algorithmic RID base' has "
6679 "changed since the LDAP\n"
6680 "database was initialised. Aborting. \n"));
6681 ldap_msgfree(result);
6682 TALLOC_FREE(alg_rid_base_string);
6683 return NT_STATUS_UNSUCCESSFUL;
6684 }
6685 TALLOC_FREE(alg_rid_base_string);
6686 }
6687 ldap_msgfree(result);
6688
6689 return NT_STATUS_OK;
6690 }
6691
6692 NTSTATUS pdb_ldap_init(void)
6693 {
6694 NTSTATUS nt_status;
6695 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6696 return nt_status;
6697
6698 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6699 return nt_status;
6700
6701 /* Let pdb_nds register backends */
6702 pdb_nds_init();
6703
6704 pdb_ipa_init();
6705
6706 return NT_STATUS_OK;
6707 }
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