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s3: rename sid_check_is_domain() to sid_check_is_our_sam()
[Samba/gebeck_regimport.git] / source3 / passdb / pdb_ldap.c
blob23793bf72626e90d763994ef74d1b978a709c1e9
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 #include "librpc/gen_ndr/idmap.h"
55
56 #undef DBGC_CLASS
57 #define DBGC_CLASS DBGC_PASSDB
58
59 #include <lber.h>
60 #include <ldap.h>
61
62
63 #include "smbldap.h"
64 #include "passdb/pdb_ldap.h"
65 #include "passdb/pdb_nds.h"
66 #include "passdb/pdb_ipa.h"
67 #include "passdb/pdb_ldap_util.h"
68 #include "passdb/pdb_ldap_schema.h"
69
70 /**********************************************************************
71 Simple helper function to make stuff better readable
72 **********************************************************************/
73
74 LDAP *priv2ld(struct ldapsam_privates *priv)
75 {
76 return priv->smbldap_state->ldap_struct;
77 }
78
79 /**********************************************************************
80 Get the attribute name given a user schame version.
81 **********************************************************************/
82
83 static const char* get_userattr_key2string( int schema_ver, int key )
84 {
85 switch ( schema_ver ) {
86 case SCHEMAVER_SAMBASAMACCOUNT:
87 return get_attr_key2string( attrib_map_v30, key );
88
89 default:
90 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
91 break;
92 }
93 return NULL;
94 }
95
96 /**********************************************************************
97 Return the list of attribute names given a user schema version.
98 **********************************************************************/
99
100 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
101 {
102 switch ( schema_ver ) {
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_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx,
123 attrib_map_to_delete_v30 );
124 default:
125 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132
133 /*******************************************************************
134 Generate the LDAP search filter for the objectclass based on the
135 version of the schema we are using.
136 ******************************************************************/
137
138 static const char* get_objclass_filter( int schema_ver )
139 {
140 fstring objclass_filter;
141 char *result;
142
143 switch( schema_ver ) {
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
146 break;
147 default:
148 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
149 objclass_filter[0] = '\0';
150 break;
151 }
152
153 result = talloc_strdup(talloc_tos(), objclass_filter);
154 SMB_ASSERT(result != NULL);
155 return result;
156 }
157
158 /*****************************************************************
159 Scan a sequence number off OpenLDAP's syncrepl contextCSN
160 ******************************************************************/
161
162 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
163 {
164 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
165 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
166 LDAPMessage *msg = NULL;
167 LDAPMessage *entry = NULL;
168 TALLOC_CTX *mem_ctx;
169 char **values = NULL;
170 int rc, num_result, num_values, rid;
171 char *suffix = NULL;
172 char *tok;
173 const char *p;
174 const char **attrs;
175
176 /* Unfortunatly there is no proper way to detect syncrepl-support in
177 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
178 * but do not show up in the root-DSE yet. Neither we can query the
179 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
180 * objectclass. Currently we require lp_ldap_suffix() to show up as
181 * namingContext. - Guenther
182 */
183
184 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
185 return ntstatus;
186 }
187
188 if (!seq_num) {
189 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
190 return ntstatus;
191 }
192
193 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
194 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
195 "as top-level namingContext\n", lp_ldap_suffix()));
196 return ntstatus;
197 }
198
199 mem_ctx = talloc_init("ldapsam_get_seq_num");
200
201 if (mem_ctx == NULL)
202 return NT_STATUS_NO_MEMORY;
203
204 if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
205 ntstatus = NT_STATUS_NO_MEMORY;
206 goto done;
207 }
208
209 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
210 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
211 if (rid > 0) {
212
213 /* consumer syncreplCookie: */
214 /* csn=20050126161620Z#0000001#00#00000 */
215 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
216 attrs[1] = NULL;
217 suffix = talloc_asprintf(mem_ctx,
218 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
219 if (!suffix) {
220 ntstatus = NT_STATUS_NO_MEMORY;
221 goto done;
222 }
223 } else {
224
225 /* provider contextCSN */
226 /* 20050126161620Z#000009#00#000000 */
227 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
228 attrs[1] = NULL;
229 suffix = talloc_asprintf(mem_ctx,
230 "cn=ldapsync,%s", lp_ldap_suffix());
231
232 if (!suffix) {
233 ntstatus = NT_STATUS_NO_MEMORY;
234 goto done;
235 }
236 }
237
238 rc = smbldap_search(ldap_state->smbldap_state, suffix,
239 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
240
241 if (rc != LDAP_SUCCESS) {
242 goto done;
243 }
244
245 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
246 if (num_result != 1) {
247 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
248 goto done;
249 }
250
251 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
252 if (entry == NULL) {
253 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
254 goto done;
255 }
256
257 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
258 if (values == NULL) {
259 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
260 goto done;
261 }
262
263 num_values = ldap_count_values(values);
264 if (num_values == 0) {
265 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
266 goto done;
267 }
268
269 p = values[0];
270 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
271 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
272 goto done;
273 }
274
275 p = tok;
276 if (!strncmp(p, "csn=", strlen("csn=")))
277 p += strlen("csn=");
278
279 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
280
281 *seq_num = generalized_to_unix_time(p);
282
283 /* very basic sanity check */
284 if (*seq_num <= 0) {
285 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
286 (int)*seq_num));
287 goto done;
288 }
289
290 ntstatus = NT_STATUS_OK;
291
292 done:
293 if (values != NULL)
294 ldap_value_free(values);
295 if (msg != NULL)
296 ldap_msgfree(msg);
297 if (mem_ctx)
298 talloc_destroy(mem_ctx);
299
300 return ntstatus;
301 }
302
303 /*******************************************************************
304 Run the search by name.
305 ******************************************************************/
306
307 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
308 const char *user,
309 LDAPMessage ** result,
310 const char **attr)
311 {
312 char *filter = NULL;
313 char *escape_user = escape_ldap_string(talloc_tos(), user);
314 int ret = -1;
315
316 if (!escape_user) {
317 return LDAP_NO_MEMORY;
318 }
319
320 /*
321 * in the filter expression, replace %u with the real name
322 * so in ldap filter, %u MUST exist :-)
323 */
324 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
325 get_objclass_filter(ldap_state->schema_ver));
326 if (!filter) {
327 TALLOC_FREE(escape_user);
328 return LDAP_NO_MEMORY;
329 }
330 /*
331 * have to use this here because $ is filtered out
332 * in string_sub
333 */
334
335 filter = talloc_all_string_sub(talloc_tos(),
336 filter, "%u", escape_user);
337 TALLOC_FREE(escape_user);
338 if (!filter) {
339 return LDAP_NO_MEMORY;
340 }
341
342 ret = smbldap_search_suffix(ldap_state->smbldap_state,
343 filter, attr, result);
344 TALLOC_FREE(filter);
345 return ret;
346 }
347
348 /*******************************************************************
349 Run the search by rid.
350 ******************************************************************/
351
352 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
353 uint32_t rid, LDAPMessage ** result,
354 const char **attr)
355 {
356 char *filter = NULL;
357 int rc;
358
359 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
360 get_objclass_filter(ldap_state->schema_ver));
361 if (!filter) {
362 return LDAP_NO_MEMORY;
363 }
364
365 rc = smbldap_search_suffix(ldap_state->smbldap_state,
366 filter, attr, result);
367 TALLOC_FREE(filter);
368 return rc;
369 }
370
371 /*******************************************************************
372 Run the search by SID.
373 ******************************************************************/
374
375 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
376 const struct dom_sid *sid, LDAPMessage ** result,
377 const char **attr)
378 {
379 char *filter = NULL;
380 int rc;
381 fstring sid_string;
382
383 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
384 get_userattr_key2string(ldap_state->schema_ver,
385 LDAP_ATTR_USER_SID),
386 sid_to_fstring(sid_string, sid),
387 get_objclass_filter(ldap_state->schema_ver));
388 if (!filter) {
389 return LDAP_NO_MEMORY;
390 }
391
392 rc = smbldap_search_suffix(ldap_state->smbldap_state,
393 filter, attr, result);
394
395 TALLOC_FREE(filter);
396 return rc;
397 }
398
399 /*******************************************************************
400 Delete complete object or objectclass and attrs from
401 object found in search_result depending on lp_ldap_delete_dn
402 ******************************************************************/
403
404 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
405 TALLOC_CTX *mem_ctx,
406 LDAPMessage *entry,
407 const char *objectclass,
408 const char **attrs)
409 {
410 LDAPMod **mods = NULL;
411 char *name;
412 const char *dn;
413 BerElement *ptr = NULL;
414
415 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
416 if (dn == NULL) {
417 return LDAP_NO_MEMORY;
418 }
419
420 if (lp_ldap_delete_dn()) {
421 return smbldap_delete(priv->smbldap_state, dn);
422 }
423
424 /* Ok, delete only the SAM attributes */
425
426 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
427 name != NULL;
428 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
429 const char **attrib;
430
431 /* We are only allowed to delete the attributes that
432 really exist. */
433
434 for (attrib = attrs; *attrib != NULL; attrib++) {
435 if (strequal(*attrib, name)) {
436 DEBUG(10, ("ldapsam_delete_entry: deleting "
437 "attribute %s\n", name));
438 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
439 NULL);
440 }
441 }
442 ldap_memfree(name);
443 }
444
445 if (ptr != NULL) {
446 ber_free(ptr, 0);
447 }
448
449 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
450 talloc_autofree_ldapmod(mem_ctx, mods);
451
452 return smbldap_modify(priv->smbldap_state, dn, mods);
453 }
454
455 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
456 {
457 char *temp;
458 struct tm tm;
459
460 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
461 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
462 talloc_tos());
463 if (!temp) {
464 return (time_t) 0;
465 }
466
467 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
468 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
469 (char*)temp));
470 TALLOC_FREE(temp);
471 return (time_t) 0;
472 }
473 TALLOC_FREE(temp);
474 tzset();
475 return timegm(&tm);
476 }
477
478 /**********************************************************************
479 Initialize struct samu from an LDAP query.
480 (Based on init_sam_from_buffer in pdb_tdb.c)
481 *********************************************************************/
482
483 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
484 struct samu * sampass,
485 LDAPMessage * entry)
486 {
487 time_t logon_time,
488 logoff_time,
489 kickoff_time,
490 pass_last_set_time,
491 pass_can_change_time,
492 ldap_entry_time,
493 bad_password_time;
494 char *username = NULL,
495 *domain = NULL,
496 *nt_username = NULL,
497 *fullname = NULL,
498 *homedir = NULL,
499 *dir_drive = NULL,
500 *logon_script = NULL,
501 *profile_path = NULL,
502 *acct_desc = NULL,
503 *workstations = NULL,
504 *munged_dial = NULL;
505 uint32_t user_rid;
506 uint8 smblmpwd[LM_HASH_LEN],
507 smbntpwd[NT_HASH_LEN];
508 bool use_samba_attrs = True;
509 uint32_t acct_ctrl = 0;
510 uint16_t logon_divs;
511 uint16_t bad_password_count = 0,
512 logon_count = 0;
513 uint32_t hours_len;
514 uint8 hours[MAX_HOURS_LEN];
515 char *temp = NULL;
516 struct login_cache cache_entry;
517 uint32_t pwHistLen;
518 bool expand_explicit = lp_passdb_expand_explicit();
519 bool ret = false;
520 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
521
522 if (!ctx) {
523 return false;
524 }
525 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
526 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
527 goto fn_exit;
528 }
529
530 if (priv2ld(ldap_state) == NULL) {
531 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
532 "ldap_struct is NULL!\n"));
533 goto fn_exit;
534 }
535
536 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
537 entry,
538 "uid",
539 ctx))) {
540 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
541 "this user!\n"));
542 goto fn_exit;
543 }
544
545 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
546
547 nt_username = talloc_strdup(ctx, username);
548 if (!nt_username) {
549 goto fn_exit;
550 }
551
552 domain = talloc_strdup(ctx, ldap_state->domain_name);
553 if (!domain) {
554 goto fn_exit;
555 }
556
557 pdb_set_username(sampass, username, PDB_SET);
558
559 pdb_set_domain(sampass, domain, PDB_DEFAULT);
560 pdb_set_nt_username(sampass, nt_username, PDB_SET);
561
562 /* deal with different attributes between the schema first */
563
564 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
565 if ((temp = smbldap_talloc_single_attribute(
566 ldap_state->smbldap_state->ldap_struct,
567 entry,
568 get_userattr_key2string(ldap_state->schema_ver,
569 LDAP_ATTR_USER_SID),
570 ctx))!=NULL) {
571 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
572 }
573 } else {
574 if ((temp = smbldap_talloc_single_attribute(
575 ldap_state->smbldap_state->ldap_struct,
576 entry,
577 get_userattr_key2string(ldap_state->schema_ver,
578 LDAP_ATTR_USER_RID),
579 ctx))!=NULL) {
580 user_rid = (uint32_t)atol(temp);
581 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
582 }
583 }
584
585 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
586 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
587 get_userattr_key2string(ldap_state->schema_ver,
588 LDAP_ATTR_USER_SID),
589 get_userattr_key2string(ldap_state->schema_ver,
590 LDAP_ATTR_USER_RID),
591 username));
592 return False;
593 }
594
595 temp = smbldap_talloc_single_attribute(
596 ldap_state->smbldap_state->ldap_struct,
597 entry,
598 get_userattr_key2string(ldap_state->schema_ver,
599 LDAP_ATTR_PWD_LAST_SET),
600 ctx);
601 if (temp) {
602 pass_last_set_time = (time_t) atol(temp);
603 pdb_set_pass_last_set_time(sampass,
604 pass_last_set_time, PDB_SET);
605 }
606
607 temp = smbldap_talloc_single_attribute(
608 ldap_state->smbldap_state->ldap_struct,
609 entry,
610 get_userattr_key2string(ldap_state->schema_ver,
611 LDAP_ATTR_LOGON_TIME),
612 ctx);
613 if (temp) {
614 logon_time = (time_t) atol(temp);
615 pdb_set_logon_time(sampass, logon_time, PDB_SET);
616 }
617
618 temp = smbldap_talloc_single_attribute(
619 ldap_state->smbldap_state->ldap_struct,
620 entry,
621 get_userattr_key2string(ldap_state->schema_ver,
622 LDAP_ATTR_LOGOFF_TIME),
623 ctx);
624 if (temp) {
625 logoff_time = (time_t) atol(temp);
626 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
627 }
628
629 temp = smbldap_talloc_single_attribute(
630 ldap_state->smbldap_state->ldap_struct,
631 entry,
632 get_userattr_key2string(ldap_state->schema_ver,
633 LDAP_ATTR_KICKOFF_TIME),
634 ctx);
635 if (temp) {
636 kickoff_time = (time_t) atol(temp);
637 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
638 }
639
640 temp = smbldap_talloc_single_attribute(
641 ldap_state->smbldap_state->ldap_struct,
642 entry,
643 get_userattr_key2string(ldap_state->schema_ver,
644 LDAP_ATTR_PWD_CAN_CHANGE),
645 ctx);
646 if (temp) {
647 pass_can_change_time = (time_t) atol(temp);
648 pdb_set_pass_can_change_time(sampass,
649 pass_can_change_time, PDB_SET);
650 }
651
652 /* recommend that 'gecos' and 'displayName' should refer to the same
653 * attribute OID. userFullName depreciated, only used by Samba
654 * primary rules of LDAP: don't make a new attribute when one is already defined
655 * that fits your needs; using cn then displayName rather than 'userFullName'
656 */
657
658 fullname = smbldap_talloc_single_attribute(
659 ldap_state->smbldap_state->ldap_struct,
660 entry,
661 get_userattr_key2string(ldap_state->schema_ver,
662 LDAP_ATTR_DISPLAY_NAME),
663 ctx);
664 if (fullname) {
665 pdb_set_fullname(sampass, fullname, PDB_SET);
666 } else {
667 fullname = smbldap_talloc_single_attribute(
668 ldap_state->smbldap_state->ldap_struct,
669 entry,
670 get_userattr_key2string(ldap_state->schema_ver,
671 LDAP_ATTR_CN),
672 ctx);
673 if (fullname) {
674 pdb_set_fullname(sampass, fullname, PDB_SET);
675 }
676 }
677
678 dir_drive = smbldap_talloc_single_attribute(
679 ldap_state->smbldap_state->ldap_struct,
680 entry,
681 get_userattr_key2string(ldap_state->schema_ver,
682 LDAP_ATTR_HOME_DRIVE),
683 ctx);
684 if (dir_drive) {
685 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
686 } else {
687 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
688 }
689
690 homedir = smbldap_talloc_single_attribute(
691 ldap_state->smbldap_state->ldap_struct,
692 entry,
693 get_userattr_key2string(ldap_state->schema_ver,
694 LDAP_ATTR_HOME_PATH),
695 ctx);
696 if (homedir) {
697 if (expand_explicit) {
698 homedir = talloc_sub_basic(ctx,
699 username,
700 domain,
701 homedir);
702 if (!homedir) {
703 goto fn_exit;
704 }
705 }
706 pdb_set_homedir(sampass, homedir, PDB_SET);
707 } else {
708 pdb_set_homedir(sampass,
709 talloc_sub_basic(ctx, username, domain,
710 lp_logon_home()),
711 PDB_DEFAULT);
712 }
713
714 logon_script = smbldap_talloc_single_attribute(
715 ldap_state->smbldap_state->ldap_struct,
716 entry,
717 get_userattr_key2string(ldap_state->schema_ver,
718 LDAP_ATTR_LOGON_SCRIPT),
719 ctx);
720 if (logon_script) {
721 if (expand_explicit) {
722 logon_script = talloc_sub_basic(ctx,
723 username,
724 domain,
725 logon_script);
726 if (!logon_script) {
727 goto fn_exit;
728 }
729 }
730 pdb_set_logon_script(sampass, logon_script, PDB_SET);
731 } else {
732 pdb_set_logon_script(sampass,
733 talloc_sub_basic(ctx, username, domain,
734 lp_logon_script()),
735 PDB_DEFAULT );
736 }
737
738 profile_path = smbldap_talloc_single_attribute(
739 ldap_state->smbldap_state->ldap_struct,
740 entry,
741 get_userattr_key2string(ldap_state->schema_ver,
742 LDAP_ATTR_PROFILE_PATH),
743 ctx);
744 if (profile_path) {
745 if (expand_explicit) {
746 profile_path = talloc_sub_basic(ctx,
747 username,
748 domain,
749 profile_path);
750 if (!profile_path) {
751 goto fn_exit;
752 }
753 }
754 pdb_set_profile_path(sampass, profile_path, PDB_SET);
755 } else {
756 pdb_set_profile_path(sampass,
757 talloc_sub_basic(ctx, username, domain,
758 lp_logon_path()),
759 PDB_DEFAULT );
760 }
761
762 acct_desc = smbldap_talloc_single_attribute(
763 ldap_state->smbldap_state->ldap_struct,
764 entry,
765 get_userattr_key2string(ldap_state->schema_ver,
766 LDAP_ATTR_DESC),
767 ctx);
768 if (acct_desc) {
769 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
770 }
771
772 workstations = smbldap_talloc_single_attribute(
773 ldap_state->smbldap_state->ldap_struct,
774 entry,
775 get_userattr_key2string(ldap_state->schema_ver,
776 LDAP_ATTR_USER_WKS),
777 ctx);
778 if (workstations) {
779 pdb_set_workstations(sampass, workstations, PDB_SET);
780 }
781
782 munged_dial = smbldap_talloc_single_attribute(
783 ldap_state->smbldap_state->ldap_struct,
784 entry,
785 get_userattr_key2string(ldap_state->schema_ver,
786 LDAP_ATTR_MUNGED_DIAL),
787 ctx);
788 if (munged_dial) {
789 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
790 }
791
792 /* FIXME: hours stuff should be cleaner */
793
794 logon_divs = 168;
795 hours_len = 21;
796 memset(hours, 0xff, hours_len);
797
798 if (ldap_state->is_nds_ldap) {
799 char *user_dn;
800 size_t pwd_len;
801 char clear_text_pw[512];
802
803 /* Make call to Novell eDirectory ldap extension to get clear text password.
804 NOTE: This will only work if we have an SSL connection to eDirectory. */
805 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
806 if (user_dn != NULL) {
807 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
808
809 pwd_len = sizeof(clear_text_pw);
810 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
811 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
812 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
813 TALLOC_FREE(user_dn);
814 return False;
815 }
816 ZERO_STRUCT(smblmpwd);
817 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
818 TALLOC_FREE(user_dn);
819 return False;
820 }
821 ZERO_STRUCT(smbntpwd);
822 use_samba_attrs = False;
823 }
824
825 TALLOC_FREE(user_dn);
826
827 } else {
828 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
829 }
830 }
831
832 if (use_samba_attrs) {
833 temp = smbldap_talloc_single_attribute(
834 ldap_state->smbldap_state->ldap_struct,
835 entry,
836 get_userattr_key2string(ldap_state->schema_ver,
837 LDAP_ATTR_LMPW),
838 ctx);
839 if (temp) {
840 pdb_gethexpwd(temp, smblmpwd);
841 memset((char *)temp, '\0', strlen(temp)+1);
842 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
843 goto fn_exit;
844 }
845 ZERO_STRUCT(smblmpwd);
846 }
847
848 temp = smbldap_talloc_single_attribute(
849 ldap_state->smbldap_state->ldap_struct,
850 entry,
851 get_userattr_key2string(ldap_state->schema_ver,
852 LDAP_ATTR_NTPW),
853 ctx);
854 if (temp) {
855 pdb_gethexpwd(temp, smbntpwd);
856 memset((char *)temp, '\0', strlen(temp)+1);
857 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
858 goto fn_exit;
859 }
860 ZERO_STRUCT(smbntpwd);
861 }
862 }
863
864 pwHistLen = 0;
865
866 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
867 if (pwHistLen > 0){
868 uint8 *pwhist = NULL;
869 int i;
870 char *history_string = talloc_array(ctx, char,
871 MAX_PW_HISTORY_LEN*64);
872
873 if (!history_string) {
874 goto fn_exit;
875 }
876
877 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
878
879 pwhist = talloc_array(ctx, uint8,
880 pwHistLen * PW_HISTORY_ENTRY_LEN);
881 if (pwhist == NULL) {
882 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
883 goto fn_exit;
884 }
885 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
886
887 if (smbldap_get_single_attribute(
888 ldap_state->smbldap_state->ldap_struct,
889 entry,
890 get_userattr_key2string(ldap_state->schema_ver,
891 LDAP_ATTR_PWD_HISTORY),
892 history_string,
893 MAX_PW_HISTORY_LEN*64)) {
894 bool hex_failed = false;
895 for (i = 0; i < pwHistLen; i++){
896 /* Get the 16 byte salt. */
897 if (!pdb_gethexpwd(&history_string[i*64],
898 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
899 hex_failed = true;
900 break;
901 }
902 /* Get the 16 byte MD5 hash of salt+passwd. */
903 if (!pdb_gethexpwd(&history_string[(i*64)+32],
904 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
905 PW_HISTORY_SALT_LEN])) {
906 hex_failed = True;
907 break;
908 }
909 }
910 if (hex_failed) {
911 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
912 username));
913 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
914 }
915 }
916 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
917 goto fn_exit;
918 }
919 }
920
921 temp = smbldap_talloc_single_attribute(
922 ldap_state->smbldap_state->ldap_struct,
923 entry,
924 get_userattr_key2string(ldap_state->schema_ver,
925 LDAP_ATTR_ACB_INFO),
926 ctx);
927 if (temp) {
928 acct_ctrl = pdb_decode_acct_ctrl(temp);
929
930 if (acct_ctrl == 0) {
931 acct_ctrl |= ACB_NORMAL;
932 }
933
934 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
935 } else {
936 acct_ctrl |= ACB_NORMAL;
937 }
938
939 pdb_set_hours_len(sampass, hours_len, PDB_SET);
940 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
941
942 temp = smbldap_talloc_single_attribute(
943 ldap_state->smbldap_state->ldap_struct,
944 entry,
945 get_userattr_key2string(ldap_state->schema_ver,
946 LDAP_ATTR_BAD_PASSWORD_COUNT),
947 ctx);
948 if (temp) {
949 bad_password_count = (uint32_t) atol(temp);
950 pdb_set_bad_password_count(sampass,
951 bad_password_count, PDB_SET);
952 }
953
954 temp = smbldap_talloc_single_attribute(
955 ldap_state->smbldap_state->ldap_struct,
956 entry,
957 get_userattr_key2string(ldap_state->schema_ver,
958 LDAP_ATTR_BAD_PASSWORD_TIME),
959 ctx);
960 if (temp) {
961 bad_password_time = (time_t) atol(temp);
962 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
963 }
964
965
966 temp = smbldap_talloc_single_attribute(
967 ldap_state->smbldap_state->ldap_struct,
968 entry,
969 get_userattr_key2string(ldap_state->schema_ver,
970 LDAP_ATTR_LOGON_COUNT),
971 ctx);
972 if (temp) {
973 logon_count = (uint32_t) atol(temp);
974 pdb_set_logon_count(sampass, logon_count, PDB_SET);
975 }
976
977 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
978
979 temp = smbldap_talloc_single_attribute(
980 ldap_state->smbldap_state->ldap_struct,
981 entry,
982 get_userattr_key2string(ldap_state->schema_ver,
983 LDAP_ATTR_LOGON_HOURS),
984 ctx);
985 if (temp) {
986 pdb_gethexhours(temp, hours);
987 memset((char *)temp, '\0', strlen(temp) +1);
988 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
989 ZERO_STRUCT(hours);
990 }
991
992 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
993 struct passwd unix_pw;
994 bool have_uid = false;
995 bool have_gid = false;
996 struct dom_sid mapped_gsid;
997 const struct dom_sid *primary_gsid;
998 struct unixid id;
999
1000 ZERO_STRUCT(unix_pw);
1001
1002 unix_pw.pw_name = username;
1003 unix_pw.pw_passwd = discard_const_p(char, "x");
1004
1005 temp = smbldap_talloc_single_attribute(
1006 priv2ld(ldap_state),
1007 entry,
1008 "uidNumber",
1009 ctx);
1010 if (temp) {
1011 /* We've got a uid, feed the cache */
1012 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1013 have_uid = true;
1014 }
1015 temp = smbldap_talloc_single_attribute(
1016 priv2ld(ldap_state),
1017 entry,
1018 "gidNumber",
1019 ctx);
1020 if (temp) {
1021 /* We've got a uid, feed the cache */
1022 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1023 have_gid = true;
1024 }
1025 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1026 priv2ld(ldap_state),
1027 entry,
1028 "gecos",
1029 ctx);
1030 if (unix_pw.pw_gecos) {
1031 unix_pw.pw_gecos = fullname;
1032 }
1033 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1034 priv2ld(ldap_state),
1035 entry,
1036 "homeDirectory",
1037 ctx);
1038 if (unix_pw.pw_dir) {
1039 unix_pw.pw_dir = discard_const_p(char, "");
1040 }
1041 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1042 priv2ld(ldap_state),
1043 entry,
1044 "loginShell",
1045 ctx);
1046 if (unix_pw.pw_shell) {
1047 unix_pw.pw_shell = discard_const_p(char, "");
1048 }
1049
1050 if (have_uid && have_gid) {
1051 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1052 } else {
1053 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1054 }
1055
1056 if (sampass->unix_pw == NULL) {
1057 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1058 pdb_get_username(sampass)));
1059 goto fn_exit;
1060 }
1061
1062 id.id = sampass->unix_pw->pw_uid;
1063 id.type = ID_TYPE_UID;
1064
1065 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1066
1067 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1068 primary_gsid = pdb_get_group_sid(sampass);
1069 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1070 id.id = sampass->unix_pw->pw_gid;
1071 id.type = ID_TYPE_GID;
1072
1073 idmap_cache_set_sid2unixid(primary_gsid, &id);
1074 }
1075 }
1076
1077 /* check the timestamp of the cache vs ldap entry */
1078 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1079 entry))) {
1080 ret = true;
1081 goto fn_exit;
1082 }
1083
1084 /* see if we have newer updates */
1085 if (!login_cache_read(sampass, &cache_entry)) {
1086 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1087 (unsigned int)pdb_get_bad_password_count(sampass),
1088 (unsigned int)pdb_get_bad_password_time(sampass)));
1089 ret = true;
1090 goto fn_exit;
1091 }
1092
1093 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1094 (unsigned int)ldap_entry_time,
1095 (unsigned int)cache_entry.entry_timestamp,
1096 (unsigned int)cache_entry.bad_password_time));
1097
1098 if (ldap_entry_time > cache_entry.entry_timestamp) {
1099 /* cache is older than directory , so
1100 we need to delete the entry but allow the
1101 fields to be written out */
1102 login_cache_delentry(sampass);
1103 } else {
1104 /* read cache in */
1105 pdb_set_acct_ctrl(sampass,
1106 pdb_get_acct_ctrl(sampass) |
1107 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1108 PDB_SET);
1109 pdb_set_bad_password_count(sampass,
1110 cache_entry.bad_password_count,
1111 PDB_SET);
1112 pdb_set_bad_password_time(sampass,
1113 cache_entry.bad_password_time,
1114 PDB_SET);
1115 }
1116
1117 ret = true;
1118
1119 fn_exit:
1120
1121 TALLOC_FREE(ctx);
1122 return ret;
1123 }
1124
1125 /**********************************************************************
1126 Initialize the ldap db from a struct samu. Called on update.
1127 (Based on init_buffer_from_sam in pdb_tdb.c)
1128 *********************************************************************/
1129
1130 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1131 LDAPMessage *existing,
1132 LDAPMod *** mods, struct samu * sampass,
1133 bool (*need_update)(const struct samu *,
1134 enum pdb_elements))
1135 {
1136 char *temp = NULL;
1137 uint32_t rid;
1138
1139 if (mods == NULL || sampass == NULL) {
1140 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1141 return False;
1142 }
1143
1144 *mods = NULL;
1145
1146 /*
1147 * took out adding "objectclass: sambaAccount"
1148 * do this on a per-mod basis
1149 */
1150 if (need_update(sampass, PDB_USERNAME)) {
1151 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1152 "uid", pdb_get_username(sampass));
1153 if (ldap_state->is_nds_ldap) {
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 "cn", pdb_get_username(sampass));
1156 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1157 "sn", pdb_get_username(sampass));
1158 }
1159 }
1160
1161 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1162
1163 /* only update the RID if we actually need to */
1164 if (need_update(sampass, PDB_USERSID)) {
1165 fstring sid_string;
1166 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1167
1168 switch ( ldap_state->schema_ver ) {
1169 case SCHEMAVER_SAMBASAMACCOUNT:
1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1172 sid_to_fstring(sid_string, user_sid));
1173 break;
1174
1175 default:
1176 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1177 break;
1178 }
1179 }
1180
1181 /* we don't need to store the primary group RID - so leaving it
1182 'free' to hang off the unix primary group makes life easier */
1183
1184 if (need_update(sampass, PDB_GROUPSID)) {
1185 fstring sid_string;
1186 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1187
1188 switch ( ldap_state->schema_ver ) {
1189 case SCHEMAVER_SAMBASAMACCOUNT:
1190 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1191 get_userattr_key2string(ldap_state->schema_ver,
1192 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1193 break;
1194
1195 default:
1196 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1197 break;
1198 }
1199
1200 }
1201
1202 /* displayName, cn, and gecos should all be the same
1203 * most easily accomplished by giving them the same OID
1204 * gecos isn't set here b/c it should be handled by the
1205 * add-user script
1206 * We change displayName only and fall back to cn if
1207 * it does not exist.
1208 */
1209
1210 if (need_update(sampass, PDB_FULLNAME))
1211 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1212 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1213 pdb_get_fullname(sampass));
1214
1215 if (need_update(sampass, PDB_ACCTDESC))
1216 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1217 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1218 pdb_get_acct_desc(sampass));
1219
1220 if (need_update(sampass, PDB_WORKSTATIONS))
1221 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1222 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1223 pdb_get_workstations(sampass));
1224
1225 if (need_update(sampass, PDB_MUNGEDDIAL))
1226 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1227 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1228 pdb_get_munged_dial(sampass));
1229
1230 if (need_update(sampass, PDB_SMBHOME))
1231 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1232 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1233 pdb_get_homedir(sampass));
1234
1235 if (need_update(sampass, PDB_DRIVE))
1236 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1237 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1238 pdb_get_dir_drive(sampass));
1239
1240 if (need_update(sampass, PDB_LOGONSCRIPT))
1241 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1242 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1243 pdb_get_logon_script(sampass));
1244
1245 if (need_update(sampass, PDB_PROFILE))
1246 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1247 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1248 pdb_get_profile_path(sampass));
1249
1250 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1251 return false;
1252 }
1253 if (need_update(sampass, PDB_LOGONTIME))
1254 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1255 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1256 SAFE_FREE(temp);
1257
1258 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1259 return false;
1260 }
1261 if (need_update(sampass, PDB_LOGOFFTIME))
1262 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1263 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1264 SAFE_FREE(temp);
1265
1266 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1267 return false;
1268 }
1269 if (need_update(sampass, PDB_KICKOFFTIME))
1270 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1271 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1272 SAFE_FREE(temp);
1273
1274 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1275 return false;
1276 }
1277 if (need_update(sampass, PDB_CANCHANGETIME))
1278 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1279 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1280 SAFE_FREE(temp);
1281
1282 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1283 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1284
1285 if (need_update(sampass, PDB_LMPASSWD)) {
1286 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1287 if (lm_pw) {
1288 char pwstr[34];
1289 pdb_sethexpwd(pwstr, lm_pw,
1290 pdb_get_acct_ctrl(sampass));
1291 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1292 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1293 pwstr);
1294 } else {
1295 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1296 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1297 NULL);
1298 }
1299 }
1300 if (need_update(sampass, PDB_NTPASSWD)) {
1301 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1302 if (nt_pw) {
1303 char pwstr[34];
1304 pdb_sethexpwd(pwstr, nt_pw,
1305 pdb_get_acct_ctrl(sampass));
1306 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1308 pwstr);
1309 } else {
1310 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1311 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1312 NULL);
1313 }
1314 }
1315
1316 if (need_update(sampass, PDB_PWHISTORY)) {
1317 char *pwstr = NULL;
1318 uint32_t pwHistLen = 0;
1319 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1320
1321 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1322 if (!pwstr) {
1323 return false;
1324 }
1325 if (pwHistLen == 0) {
1326 /* Remove any password history from the LDAP store. */
1327 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1328 pwstr[64] = '\0';
1329 } else {
1330 int i;
1331 uint32_t currHistLen = 0;
1332 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1333 if (pwhist != NULL) {
1334 /* We can only store (1024-1/64 password history entries. */
1335 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1336 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1337 /* Store the salt. */
1338 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1339 /* Followed by the md5 hash of salt + md4 hash */
1340 pdb_sethexpwd(&pwstr[(i*64)+32],
1341 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1342 DEBUG(100, ("pwstr=%s\n", pwstr));
1343 }
1344 }
1345 }
1346 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1347 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1348 pwstr);
1349 SAFE_FREE(pwstr);
1350 }
1351
1352 if (need_update(sampass, PDB_PASSLASTSET)) {
1353 if (asprintf(&temp, "%li",
1354 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1355 return false;
1356 }
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1359 temp);
1360 SAFE_FREE(temp);
1361 }
1362 }
1363
1364 if (need_update(sampass, PDB_HOURS)) {
1365 const uint8 *hours = pdb_get_hours(sampass);
1366 if (hours) {
1367 char hourstr[44];
1368 pdb_sethexhours(hourstr, hours);
1369 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1370 existing,
1371 mods,
1372 get_userattr_key2string(ldap_state->schema_ver,
1373 LDAP_ATTR_LOGON_HOURS),
1374 hourstr);
1375 }
1376 }
1377
1378 if (need_update(sampass, PDB_ACCTCTRL))
1379 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1380 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1381 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1382
1383 /* password lockout cache:
1384 - If we are now autolocking or clearing, we write to ldap
1385 - If we are clearing, we delete the cache entry
1386 - If the count is > 0, we update the cache
1387
1388 This even means when autolocking, we cache, just in case the
1389 update doesn't work, and we have to cache the autolock flag */
1390
1391 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1392 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1393 uint16_t badcount = pdb_get_bad_password_count(sampass);
1394 time_t badtime = pdb_get_bad_password_time(sampass);
1395 uint32_t pol;
1396 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1397
1398 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1399 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1400
1401 if ((badcount >= pol) || (badcount == 0)) {
1402 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1403 (unsigned int)badcount, (unsigned int)badtime));
1404 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1405 return false;
1406 }
1407 smbldap_make_mod(
1408 ldap_state->smbldap_state->ldap_struct,
1409 existing, mods,
1410 get_userattr_key2string(
1411 ldap_state->schema_ver,
1412 LDAP_ATTR_BAD_PASSWORD_COUNT),
1413 temp);
1414 SAFE_FREE(temp);
1415
1416 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1417 return false;
1418 }
1419 smbldap_make_mod(
1420 ldap_state->smbldap_state->ldap_struct,
1421 existing, mods,
1422 get_userattr_key2string(
1423 ldap_state->schema_ver,
1424 LDAP_ATTR_BAD_PASSWORD_TIME),
1425 temp);
1426 SAFE_FREE(temp);
1427 }
1428 if (badcount == 0) {
1429 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1430 login_cache_delentry(sampass);
1431 } else {
1432 struct login_cache cache_entry;
1433
1434 cache_entry.entry_timestamp = time(NULL);
1435 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1436 cache_entry.bad_password_count = badcount;
1437 cache_entry.bad_password_time = badtime;
1438
1439 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1440 login_cache_write(sampass, &cache_entry);
1441 }
1442 }
1443
1444 return True;
1445 }
1446
1447 /**********************************************************************
1448 End enumeration of the LDAP password list.
1449 *********************************************************************/
1450
1451 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1452 {
1453 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1454 if (ldap_state->result) {
1455 ldap_msgfree(ldap_state->result);
1456 ldap_state->result = NULL;
1457 }
1458 }
1459
1460 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1461 const char *new_attr)
1462 {
1463 int i;
1464
1465 if (new_attr == NULL) {
1466 return;
1467 }
1468
1469 for (i=0; (*attr_list)[i] != NULL; i++) {
1470 ;
1471 }
1472
1473 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1474 const char *, i+2);
1475 SMB_ASSERT((*attr_list) != NULL);
1476 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1477 (*attr_list)[i+1] = NULL;
1478 }
1479
1480 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1481 const char ***attr_list)
1482 {
1483 append_attr(mem_ctx, attr_list, "uidNumber");
1484 append_attr(mem_ctx, attr_list, "gidNumber");
1485 append_attr(mem_ctx, attr_list, "homeDirectory");
1486 append_attr(mem_ctx, attr_list, "loginShell");
1487 append_attr(mem_ctx, attr_list, "gecos");
1488 }
1489
1490 /**********************************************************************
1491 Get struct samu entry from LDAP by username.
1492 *********************************************************************/
1493
1494 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1495 {
1496 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1497 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1498 LDAPMessage *result = NULL;
1499 LDAPMessage *entry = NULL;
1500 int count;
1501 const char ** attr_list;
1502 int rc;
1503
1504 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1505 append_attr(user, &attr_list,
1506 get_userattr_key2string(ldap_state->schema_ver,
1507 LDAP_ATTR_MOD_TIMESTAMP));
1508 ldapsam_add_unix_attributes(user, &attr_list);
1509 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1510 attr_list);
1511 TALLOC_FREE( attr_list );
1512
1513 if ( rc != LDAP_SUCCESS )
1514 return NT_STATUS_NO_SUCH_USER;
1515
1516 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1517
1518 if (count < 1) {
1519 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1520 ldap_msgfree(result);
1521 return NT_STATUS_NO_SUCH_USER;
1522 } else if (count > 1) {
1523 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1524 ldap_msgfree(result);
1525 return NT_STATUS_NO_SUCH_USER;
1526 }
1527
1528 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1529 if (entry) {
1530 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1531 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1532 ldap_msgfree(result);
1533 return NT_STATUS_NO_SUCH_USER;
1534 }
1535 pdb_set_backend_private_data(user, result, NULL,
1536 my_methods, PDB_CHANGED);
1537 talloc_autofree_ldapmsg(user, result);
1538 ret = NT_STATUS_OK;
1539 } else {
1540 ldap_msgfree(result);
1541 }
1542 return ret;
1543 }
1544
1545 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1546 const struct dom_sid *sid, LDAPMessage **result)
1547 {
1548 int rc = -1;
1549 const char ** attr_list;
1550 uint32_t rid;
1551
1552 switch ( ldap_state->schema_ver ) {
1553 case SCHEMAVER_SAMBASAMACCOUNT: {
1554 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1555 if (tmp_ctx == NULL) {
1556 return LDAP_NO_MEMORY;
1557 }
1558
1559 attr_list = get_userattr_list(tmp_ctx,
1560 ldap_state->schema_ver);
1561 append_attr(tmp_ctx, &attr_list,
1562 get_userattr_key2string(
1563 ldap_state->schema_ver,
1564 LDAP_ATTR_MOD_TIMESTAMP));
1565 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1566 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1567 result, attr_list);
1568 TALLOC_FREE(tmp_ctx);
1569
1570 if ( rc != LDAP_SUCCESS )
1571 return rc;
1572 break;
1573 }
1574
1575 default:
1576 DEBUG(0,("Invalid schema version specified\n"));
1577 break;
1578 }
1579 return rc;
1580 }
1581
1582 /**********************************************************************
1583 Get struct samu entry from LDAP by SID.
1584 *********************************************************************/
1585
1586 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1587 {
1588 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1589 LDAPMessage *result = NULL;
1590 LDAPMessage *entry = NULL;
1591 int count;
1592 int rc;
1593
1594 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1595 sid, &result);
1596 if (rc != LDAP_SUCCESS)
1597 return NT_STATUS_NO_SUCH_USER;
1598
1599 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1600
1601 if (count < 1) {
1602 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1603 "count=%d\n", sid_string_dbg(sid), count));
1604 ldap_msgfree(result);
1605 return NT_STATUS_NO_SUCH_USER;
1606 } else if (count > 1) {
1607 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1608 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1609 count));
1610 ldap_msgfree(result);
1611 return NT_STATUS_NO_SUCH_USER;
1612 }
1613
1614 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1615 if (!entry) {
1616 ldap_msgfree(result);
1617 return NT_STATUS_NO_SUCH_USER;
1618 }
1619
1620 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1621 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1622 ldap_msgfree(result);
1623 return NT_STATUS_NO_SUCH_USER;
1624 }
1625
1626 pdb_set_backend_private_data(user, result, NULL,
1627 my_methods, PDB_CHANGED);
1628 talloc_autofree_ldapmsg(user, result);
1629 return NT_STATUS_OK;
1630 }
1631
1632 /********************************************************************
1633 Do the actual modification - also change a plaintext passord if
1634 it it set.
1635 **********************************************************************/
1636
1637 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1638 struct samu *newpwd, char *dn,
1639 LDAPMod **mods, int ldap_op,
1640 bool (*need_update)(const struct samu *, enum pdb_elements))
1641 {
1642 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1643 int rc;
1644
1645 if (!newpwd || !dn) {
1646 return NT_STATUS_INVALID_PARAMETER;
1647 }
1648
1649 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1650 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1651 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1652 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1653 BerElement *ber;
1654 struct berval *bv;
1655 char *retoid = NULL;
1656 struct berval *retdata = NULL;
1657 char *utf8_password;
1658 char *utf8_dn;
1659 size_t converted_size;
1660 int ret;
1661
1662 if (!ldap_state->is_nds_ldap) {
1663
1664 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1665 LDAP_EXOP_MODIFY_PASSWD)) {
1666 DEBUG(2, ("ldap password change requested, but LDAP "
1667 "server does not support it -- ignoring\n"));
1668 return NT_STATUS_OK;
1669 }
1670 }
1671
1672 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1673 pdb_get_plaintext_passwd(newpwd),
1674 &converted_size))
1675 {
1676 return NT_STATUS_NO_MEMORY;
1677 }
1678
1679 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1680 TALLOC_FREE(utf8_password);
1681 return NT_STATUS_NO_MEMORY;
1682 }
1683
1684 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1685 DEBUG(0,("ber_alloc_t returns NULL\n"));
1686 TALLOC_FREE(utf8_password);
1687 TALLOC_FREE(utf8_dn);
1688 return NT_STATUS_UNSUCCESSFUL;
1689 }
1690
1691 if ((ber_printf (ber, "{") < 0) ||
1692 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1693 utf8_dn) < 0)) {
1694 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1695 "value <0\n"));
1696 ber_free(ber,1);
1697 TALLOC_FREE(utf8_dn);
1698 TALLOC_FREE(utf8_password);
1699 return NT_STATUS_UNSUCCESSFUL;
1700 }
1701
1702 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1703 ret = ber_printf(ber, "ts}",
1704 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1705 utf8_password);
1706 } else {
1707 ret = ber_printf(ber, "}");
1708 }
1709
1710 if (ret < 0) {
1711 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1712 "value <0\n"));
1713 ber_free(ber,1);
1714 TALLOC_FREE(utf8_dn);
1715 TALLOC_FREE(utf8_password);
1716 return NT_STATUS_UNSUCCESSFUL;
1717 }
1718
1719 if ((rc = ber_flatten (ber, &bv))<0) {
1720 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1721 ber_free(ber,1);
1722 TALLOC_FREE(utf8_dn);
1723 TALLOC_FREE(utf8_password);
1724 return NT_STATUS_UNSUCCESSFUL;
1725 }
1726
1727 TALLOC_FREE(utf8_dn);
1728 TALLOC_FREE(utf8_password);
1729 ber_free(ber, 1);
1730
1731 if (!ldap_state->is_nds_ldap) {
1732 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1733 LDAP_EXOP_MODIFY_PASSWD,
1734 bv, NULL, NULL, &retoid,
1735 &retdata);
1736 } else {
1737 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1738 pdb_get_plaintext_passwd(newpwd));
1739 }
1740 if (rc != LDAP_SUCCESS) {
1741 char *ld_error = NULL;
1742
1743 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1744 DEBUG(3, ("Could not set userPassword "
1745 "attribute due to an objectClass "
1746 "violation -- ignoring\n"));
1747 ber_bvfree(bv);
1748 return NT_STATUS_OK;
1749 }
1750
1751 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1752 &ld_error);
1753 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1754 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1755 SAFE_FREE(ld_error);
1756 ber_bvfree(bv);
1757 #if defined(LDAP_CONSTRAINT_VIOLATION)
1758 if (rc == LDAP_CONSTRAINT_VIOLATION)
1759 return NT_STATUS_PASSWORD_RESTRICTION;
1760 #endif
1761 return NT_STATUS_UNSUCCESSFUL;
1762 } else {
1763 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1764 #ifdef DEBUG_PASSWORD
1765 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1766 #endif
1767 if (retdata)
1768 ber_bvfree(retdata);
1769 if (retoid)
1770 ldap_memfree(retoid);
1771 }
1772 ber_bvfree(bv);
1773 }
1774
1775 if (!mods) {
1776 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1777 /* may be password change below however */
1778 } else {
1779 switch(ldap_op) {
1780 case LDAP_MOD_ADD:
1781 if (ldap_state->is_nds_ldap) {
1782 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1783 "objectclass",
1784 "inetOrgPerson");
1785 } else {
1786 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1787 "objectclass",
1788 LDAP_OBJ_ACCOUNT);
1789 }
1790 rc = smbldap_add(ldap_state->smbldap_state,
1791 dn, mods);
1792 break;
1793 case LDAP_MOD_REPLACE:
1794 rc = smbldap_modify(ldap_state->smbldap_state,
1795 dn ,mods);
1796 break;
1797 default:
1798 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1799 ldap_op));
1800 return NT_STATUS_INVALID_PARAMETER;
1801 }
1802
1803 if (rc!=LDAP_SUCCESS) {
1804 return NT_STATUS_UNSUCCESSFUL;
1805 }
1806 }
1807
1808 return NT_STATUS_OK;
1809 }
1810
1811 /**********************************************************************
1812 Delete entry from LDAP for username.
1813 *********************************************************************/
1814
1815 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1816 struct samu * sam_acct)
1817 {
1818 struct ldapsam_privates *priv =
1819 (struct ldapsam_privates *)my_methods->private_data;
1820 const char *sname;
1821 int rc;
1822 LDAPMessage *msg, *entry;
1823 NTSTATUS result = NT_STATUS_NO_MEMORY;
1824 const char **attr_list;
1825 TALLOC_CTX *mem_ctx;
1826
1827 if (!sam_acct) {
1828 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1829 return NT_STATUS_INVALID_PARAMETER;
1830 }
1831
1832 sname = pdb_get_username(sam_acct);
1833
1834 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1835 "LDAP.\n", sname));
1836
1837 mem_ctx = talloc_new(NULL);
1838 if (mem_ctx == NULL) {
1839 DEBUG(0, ("talloc_new failed\n"));
1840 goto done;
1841 }
1842
1843 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1844 if (attr_list == NULL) {
1845 goto done;
1846 }
1847
1848 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1849
1850 if ((rc != LDAP_SUCCESS) ||
1851 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1852 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1853 DEBUG(5, ("Could not find user %s\n", sname));
1854 result = NT_STATUS_NO_SUCH_USER;
1855 goto done;
1856 }
1857
1858 rc = ldapsam_delete_entry(
1859 priv, mem_ctx, entry,
1860 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1861 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1862 attr_list);
1863
1864 result = (rc == LDAP_SUCCESS) ?
1865 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1866
1867 done:
1868 TALLOC_FREE(mem_ctx);
1869 return result;
1870 }
1871
1872 /**********************************************************************
1873 Update struct samu.
1874 *********************************************************************/
1875
1876 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1877 {
1878 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1879 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1880 int rc = 0;
1881 char *dn;
1882 LDAPMessage *result = NULL;
1883 LDAPMessage *entry = NULL;
1884 LDAPMod **mods = NULL;
1885 const char **attr_list;
1886
1887 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1888 if (!result) {
1889 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1890 if (pdb_get_username(newpwd) == NULL) {
1891 return NT_STATUS_INVALID_PARAMETER;
1892 }
1893 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1894 TALLOC_FREE( attr_list );
1895 if (rc != LDAP_SUCCESS) {
1896 return NT_STATUS_UNSUCCESSFUL;
1897 }
1898 pdb_set_backend_private_data(newpwd, result, NULL,
1899 my_methods, PDB_CHANGED);
1900 talloc_autofree_ldapmsg(newpwd, result);
1901 }
1902
1903 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1904 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1905 return NT_STATUS_UNSUCCESSFUL;
1906 }
1907
1908 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1909 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1910 if (!dn) {
1911 return NT_STATUS_UNSUCCESSFUL;
1912 }
1913
1914 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1915
1916 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1917 pdb_element_is_changed)) {
1918 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1919 TALLOC_FREE(dn);
1920 if (mods != NULL)
1921 ldap_mods_free(mods,True);
1922 return NT_STATUS_UNSUCCESSFUL;
1923 }
1924
1925 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1926 && (mods == NULL)) {
1927 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1928 pdb_get_username(newpwd)));
1929 TALLOC_FREE(dn);
1930 return NT_STATUS_OK;
1931 }
1932
1933 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1934
1935 if (mods != NULL) {
1936 ldap_mods_free(mods,True);
1937 }
1938
1939 TALLOC_FREE(dn);
1940
1941 /*
1942 * We need to set the backend private data to NULL here. For example
1943 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1944 * same one, and with the explicit delete / add logic for attribute
1945 * values the second time we would use the wrong "old" value which
1946 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1947 * the update.
1948 * The existing LDAPMessage is still being auto-freed by the
1949 * destructor.
1950 */
1951 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1952 PDB_CHANGED);
1953
1954 if (!NT_STATUS_IS_OK(ret)) {
1955 return ret;
1956 }
1957
1958 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1959 pdb_get_username(newpwd)));
1960 return NT_STATUS_OK;
1961 }
1962
1963 /***************************************************************************
1964 Renames a struct samu
1965 - The "rename user script" has full responsibility for changing everything
1966 ***************************************************************************/
1967
1968 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1969 TALLOC_CTX *tmp_ctx,
1970 uint32_t group_rid,
1971 uint32_t member_rid);
1972
1973 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1974 TALLOC_CTX *mem_ctx,
1975 struct samu *user,
1976 struct dom_sid **pp_sids,
1977 gid_t **pp_gids,
1978 uint32_t *p_num_groups);
1979
1980 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1981 struct samu *old_acct,
1982 const char *newname)
1983 {
1984 const char *oldname;
1985 int rc;
1986 char *rename_script = NULL;
1987 fstring oldname_lower, newname_lower;
1988
1989 if (!old_acct) {
1990 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1991 return NT_STATUS_INVALID_PARAMETER;
1992 }
1993 if (!newname) {
1994 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1995 return NT_STATUS_INVALID_PARAMETER;
1996 }
1997
1998 oldname = pdb_get_username(old_acct);
1999
2000 /* rename the posix user */
2001 rename_script = talloc_strdup(talloc_tos(), lp_renameuser_script());
2002 if (rename_script == NULL) {
2003 return NT_STATUS_NO_MEMORY;
2004 }
2005
2006 if (!(*rename_script)) {
2007 TALLOC_FREE(rename_script);
2008 return NT_STATUS_ACCESS_DENIED;
2009 }
2010
2011 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2012 oldname, newname));
2013
2014 /* We have to allow the account name to end with a '$'.
2015 Also, follow the semantics in _samr_create_user() and lower case the
2016 posix name but preserve the case in passdb */
2017
2018 fstrcpy( oldname_lower, oldname );
2019 strlower_m( oldname_lower );
2020 fstrcpy( newname_lower, newname );
2021 strlower_m( newname_lower );
2022 rename_script = realloc_string_sub2(rename_script,
2023 "%unew",
2024 newname_lower,
2025 true,
2026 true);
2027 if (!rename_script) {
2028 return NT_STATUS_NO_MEMORY;
2029 }
2030 rename_script = realloc_string_sub2(rename_script,
2031 "%uold",
2032 oldname_lower,
2033 true,
2034 true);
2035 rc = smbrun(rename_script, NULL);
2036
2037 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2038 rename_script, rc));
2039
2040 TALLOC_FREE(rename_script);
2041
2042 if (rc == 0) {
2043 smb_nscd_flush_user_cache();
2044 }
2045
2046 if (rc)
2047 return NT_STATUS_UNSUCCESSFUL;
2048
2049 return NT_STATUS_OK;
2050 }
2051
2052 /**********************************************************************
2053 Add struct samu to LDAP.
2054 *********************************************************************/
2055
2056 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2057 {
2058 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2059 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2060 int rc;
2061 LDAPMessage *result = NULL;
2062 LDAPMessage *entry = NULL;
2063 LDAPMod **mods = NULL;
2064 int ldap_op = LDAP_MOD_REPLACE;
2065 uint32_t num_result;
2066 const char **attr_list;
2067 char *escape_user = NULL;
2068 const char *username = pdb_get_username(newpwd);
2069 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2070 char *filter = NULL;
2071 char *dn = NULL;
2072 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2073 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2074
2075 if (!ctx) {
2076 return NT_STATUS_NO_MEMORY;
2077 }
2078
2079 if (!username || !*username) {
2080 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2081 status = NT_STATUS_INVALID_PARAMETER;
2082 goto fn_exit;
2083 }
2084
2085 /* free this list after the second search or in case we exit on failure */
2086 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2087
2088 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2089
2090 if (rc != LDAP_SUCCESS) {
2091 goto fn_exit;
2092 }
2093
2094 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2095 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2096 username));
2097 goto fn_exit;
2098 }
2099 ldap_msgfree(result);
2100 result = NULL;
2101
2102 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2103 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2104 sid, &result);
2105 if (rc == LDAP_SUCCESS) {
2106 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2107 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2108 "already in the base, with samba "
2109 "attributes\n", sid_string_dbg(sid)));
2110 goto fn_exit;
2111 }
2112 ldap_msgfree(result);
2113 result = NULL;
2114 }
2115 }
2116
2117 /* does the entry already exist but without a samba attributes?
2118 we need to return the samba attributes here */
2119
2120 escape_user = escape_ldap_string(talloc_tos(), username);
2121 filter = talloc_strdup(attr_list, "(uid=%u)");
2122 if (!filter) {
2123 status = NT_STATUS_NO_MEMORY;
2124 goto fn_exit;
2125 }
2126 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2127 TALLOC_FREE(escape_user);
2128 if (!filter) {
2129 status = NT_STATUS_NO_MEMORY;
2130 goto fn_exit;
2131 }
2132
2133 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2134 filter, attr_list, &result);
2135 if ( rc != LDAP_SUCCESS ) {
2136 goto fn_exit;
2137 }
2138
2139 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2140
2141 if (num_result > 1) {
2142 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2143 goto fn_exit;
2144 }
2145
2146 /* Check if we need to update an existing entry */
2147 if (num_result == 1) {
2148 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2149 ldap_op = LDAP_MOD_REPLACE;
2150 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2151 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2152 if (!dn) {
2153 status = NT_STATUS_NO_MEMORY;
2154 goto fn_exit;
2155 }
2156
2157 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2158
2159 /* There might be a SID for this account already - say an idmap entry */
2160
2161 filter = talloc_asprintf(ctx,
2162 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2163 get_userattr_key2string(ldap_state->schema_ver,
2164 LDAP_ATTR_USER_SID),
2165 sid_string_talloc(ctx, sid),
2166 LDAP_OBJ_IDMAP_ENTRY,
2167 LDAP_OBJ_SID_ENTRY);
2168 if (!filter) {
2169 status = NT_STATUS_NO_MEMORY;
2170 goto fn_exit;
2171 }
2172
2173 /* free old result before doing a new search */
2174 if (result != NULL) {
2175 ldap_msgfree(result);
2176 result = NULL;
2177 }
2178 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2179 filter, attr_list, &result);
2180
2181 if ( rc != LDAP_SUCCESS ) {
2182 goto fn_exit;
2183 }
2184
2185 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2186
2187 if (num_result > 1) {
2188 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2189 goto fn_exit;
2190 }
2191
2192 /* Check if we need to update an existing entry */
2193 if (num_result == 1) {
2194
2195 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2196 ldap_op = LDAP_MOD_REPLACE;
2197 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2198 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2199 if (!dn) {
2200 status = NT_STATUS_NO_MEMORY;
2201 goto fn_exit;
2202 }
2203 }
2204 }
2205
2206 if (num_result == 0) {
2207 char *escape_username;
2208 /* Check if we need to add an entry */
2209 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2210 ldap_op = LDAP_MOD_ADD;
2211
2212 escape_username = escape_rdn_val_string_alloc(username);
2213 if (!escape_username) {
2214 status = NT_STATUS_NO_MEMORY;
2215 goto fn_exit;
2216 }
2217
2218 if (username[strlen(username)-1] == '$') {
2219 dn = talloc_asprintf(ctx,
2220 "uid=%s,%s",
2221 escape_username,
2222 lp_ldap_machine_suffix());
2223 } else {
2224 dn = talloc_asprintf(ctx,
2225 "uid=%s,%s",
2226 escape_username,
2227 lp_ldap_user_suffix());
2228 }
2229
2230 SAFE_FREE(escape_username);
2231 if (!dn) {
2232 status = NT_STATUS_NO_MEMORY;
2233 goto fn_exit;
2234 }
2235 }
2236
2237 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2238 pdb_element_is_set_or_changed)) {
2239 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2240 if (mods != NULL) {
2241 ldap_mods_free(mods, true);
2242 }
2243 goto fn_exit;
2244 }
2245
2246 if (mods == NULL) {
2247 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2248 goto fn_exit;
2249 }
2250 switch ( ldap_state->schema_ver ) {
2251 case SCHEMAVER_SAMBASAMACCOUNT:
2252 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2253 break;
2254 default:
2255 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2256 break;
2257 }
2258
2259 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2260 if (!NT_STATUS_IS_OK(ret)) {
2261 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2262 pdb_get_username(newpwd),dn));
2263 ldap_mods_free(mods, true);
2264 goto fn_exit;
2265 }
2266
2267 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2268 ldap_mods_free(mods, true);
2269
2270 status = NT_STATUS_OK;
2271
2272 fn_exit:
2273
2274 TALLOC_FREE(ctx);
2275 if (result) {
2276 ldap_msgfree(result);
2277 }
2278 return status;
2279 }
2280
2281 /**********************************************************************
2282 *********************************************************************/
2283
2284 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2285 const char *filter,
2286 LDAPMessage ** result)
2287 {
2288 int scope = LDAP_SCOPE_SUBTREE;
2289 int rc;
2290 const char **attr_list;
2291
2292 attr_list = get_attr_list(NULL, groupmap_attr_list);
2293 rc = smbldap_search(ldap_state->smbldap_state,
2294 lp_ldap_suffix (), scope,
2295 filter, attr_list, 0, result);
2296 TALLOC_FREE(attr_list);
2297
2298 return rc;
2299 }
2300
2301 /**********************************************************************
2302 *********************************************************************/
2303
2304 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2305 GROUP_MAP *map, LDAPMessage *entry)
2306 {
2307 char *temp = NULL;
2308 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2309
2310 if (ldap_state == NULL || map == NULL || entry == NULL ||
2311 ldap_state->smbldap_state->ldap_struct == NULL) {
2312 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2313 TALLOC_FREE(ctx);
2314 return false;
2315 }
2316
2317 temp = smbldap_talloc_single_attribute(
2318 ldap_state->smbldap_state->ldap_struct,
2319 entry,
2320 get_attr_key2string(groupmap_attr_list,
2321 LDAP_ATTR_GIDNUMBER),
2322 ctx);
2323 if (!temp) {
2324 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2325 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2326 TALLOC_FREE(ctx);
2327 return false;
2328 }
2329 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2330
2331 map->gid = (gid_t)atol(temp);
2332
2333 TALLOC_FREE(temp);
2334 temp = smbldap_talloc_single_attribute(
2335 ldap_state->smbldap_state->ldap_struct,
2336 entry,
2337 get_attr_key2string(groupmap_attr_list,
2338 LDAP_ATTR_GROUP_SID),
2339 ctx);
2340 if (!temp) {
2341 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2342 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2343 TALLOC_FREE(ctx);
2344 return false;
2345 }
2346
2347 if (!string_to_sid(&map->sid, temp)) {
2348 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2349 TALLOC_FREE(ctx);
2350 return false;
2351 }
2352
2353 TALLOC_FREE(temp);
2354 temp = smbldap_talloc_single_attribute(
2355 ldap_state->smbldap_state->ldap_struct,
2356 entry,
2357 get_attr_key2string(groupmap_attr_list,
2358 LDAP_ATTR_GROUP_TYPE),
2359 ctx);
2360 if (!temp) {
2361 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2362 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2363 TALLOC_FREE(ctx);
2364 return false;
2365 }
2366 map->sid_name_use = (enum lsa_SidType)atol(temp);
2367
2368 if ((map->sid_name_use < SID_NAME_USER) ||
2369 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2370 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2371 TALLOC_FREE(ctx);
2372 return false;
2373 }
2374
2375 TALLOC_FREE(temp);
2376 temp = smbldap_talloc_single_attribute(
2377 ldap_state->smbldap_state->ldap_struct,
2378 entry,
2379 get_attr_key2string(groupmap_attr_list,
2380 LDAP_ATTR_DISPLAY_NAME),
2381 ctx);
2382 if (!temp) {
2383 temp = smbldap_talloc_single_attribute(
2384 ldap_state->smbldap_state->ldap_struct,
2385 entry,
2386 get_attr_key2string(groupmap_attr_list,
2387 LDAP_ATTR_CN),
2388 ctx);
2389 if (!temp) {
2390 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2391 for gidNumber(%lu)\n",(unsigned long)map->gid));
2392 TALLOC_FREE(ctx);
2393 return false;
2394 }
2395 }
2396 map->nt_name = talloc_strdup(map, temp);
2397 if (!map->nt_name) {
2398 TALLOC_FREE(ctx);
2399 return false;
2400 }
2401
2402 TALLOC_FREE(temp);
2403 temp = smbldap_talloc_single_attribute(
2404 ldap_state->smbldap_state->ldap_struct,
2405 entry,
2406 get_attr_key2string(groupmap_attr_list,
2407 LDAP_ATTR_DESC),
2408 ctx);
2409 if (!temp) {
2410 temp = talloc_strdup(ctx, "");
2411 if (!temp) {
2412 TALLOC_FREE(ctx);
2413 return false;
2414 }
2415 }
2416 map->comment = talloc_strdup(map, temp);
2417 if (!map->comment) {
2418 TALLOC_FREE(ctx);
2419 return false;
2420 }
2421
2422 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2423 struct unixid id;
2424 id.id = map->gid;
2425 id.type = ID_TYPE_GID;
2426
2427 idmap_cache_set_sid2unixid(&map->sid, &id);
2428 }
2429
2430 TALLOC_FREE(ctx);
2431 return true;
2432 }
2433
2434 /**********************************************************************
2435 *********************************************************************/
2436
2437 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2438 const char *filter,
2439 GROUP_MAP *map)
2440 {
2441 struct ldapsam_privates *ldap_state =
2442 (struct ldapsam_privates *)methods->private_data;
2443 LDAPMessage *result = NULL;
2444 LDAPMessage *entry = NULL;
2445 int count;
2446
2447 if (ldapsam_search_one_group(ldap_state, filter, &result)
2448 != LDAP_SUCCESS) {
2449 return NT_STATUS_NO_SUCH_GROUP;
2450 }
2451
2452 count = ldap_count_entries(priv2ld(ldap_state), result);
2453
2454 if (count < 1) {
2455 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2456 "%s\n", filter));
2457 ldap_msgfree(result);
2458 return NT_STATUS_NO_SUCH_GROUP;
2459 }
2460
2461 if (count > 1) {
2462 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2463 "count=%d\n", filter, count));
2464 ldap_msgfree(result);
2465 return NT_STATUS_NO_SUCH_GROUP;
2466 }
2467
2468 entry = ldap_first_entry(priv2ld(ldap_state), result);
2469
2470 if (!entry) {
2471 ldap_msgfree(result);
2472 return NT_STATUS_UNSUCCESSFUL;
2473 }
2474
2475 if (!init_group_from_ldap(ldap_state, map, entry)) {
2476 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2477 "group filter %s\n", filter));
2478 ldap_msgfree(result);
2479 return NT_STATUS_NO_SUCH_GROUP;
2480 }
2481
2482 ldap_msgfree(result);
2483 return NT_STATUS_OK;
2484 }
2485
2486 /**********************************************************************
2487 *********************************************************************/
2488
2489 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2490 struct dom_sid sid)
2491 {
2492 char *filter = NULL;
2493 NTSTATUS status;
2494 fstring tmp;
2495
2496 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2497 LDAP_OBJ_GROUPMAP,
2498 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2499 sid_to_fstring(tmp, &sid)) < 0) {
2500 return NT_STATUS_NO_MEMORY;
2501 }
2502
2503 status = ldapsam_getgroup(methods, filter, map);
2504 SAFE_FREE(filter);
2505 return status;
2506 }
2507
2508 /**********************************************************************
2509 *********************************************************************/
2510
2511 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2512 gid_t gid)
2513 {
2514 char *filter = NULL;
2515 NTSTATUS status;
2516
2517 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2518 LDAP_OBJ_GROUPMAP,
2519 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2520 (unsigned long)gid) < 0) {
2521 return NT_STATUS_NO_MEMORY;
2522 }
2523
2524 status = ldapsam_getgroup(methods, filter, map);
2525 SAFE_FREE(filter);
2526 return status;
2527 }
2528
2529 /**********************************************************************
2530 *********************************************************************/
2531
2532 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2533 const char *name)
2534 {
2535 char *filter = NULL;
2536 char *escape_name = escape_ldap_string(talloc_tos(), name);
2537 NTSTATUS status;
2538
2539 if (!escape_name) {
2540 return NT_STATUS_NO_MEMORY;
2541 }
2542
2543 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2544 LDAP_OBJ_GROUPMAP,
2545 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2546 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2547 escape_name) < 0) {
2548 TALLOC_FREE(escape_name);
2549 return NT_STATUS_NO_MEMORY;
2550 }
2551
2552 TALLOC_FREE(escape_name);
2553 status = ldapsam_getgroup(methods, filter, map);
2554 SAFE_FREE(filter);
2555 return status;
2556 }
2557
2558 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2559 LDAPMessage *entry,
2560 const struct dom_sid *domain_sid,
2561 uint32_t *rid)
2562 {
2563 fstring str;
2564 struct dom_sid sid;
2565
2566 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2567 str, sizeof(str)-1)) {
2568 DEBUG(10, ("Could not find sambaSID attribute\n"));
2569 return False;
2570 }
2571
2572 if (!string_to_sid(&sid, str)) {
2573 DEBUG(10, ("Could not convert string %s to sid\n", str));
2574 return False;
2575 }
2576
2577 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2578 DEBUG(10, ("SID %s is not in expected domain %s\n",
2579 str, sid_string_dbg(domain_sid)));
2580 return False;
2581 }
2582
2583 if (!sid_peek_rid(&sid, rid)) {
2584 DEBUG(10, ("Could not peek into RID\n"));
2585 return False;
2586 }
2587
2588 return True;
2589 }
2590
2591 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2592 TALLOC_CTX *mem_ctx,
2593 const struct dom_sid *group,
2594 uint32_t **pp_member_rids,
2595 size_t *p_num_members)
2596 {
2597 struct ldapsam_privates *ldap_state =
2598 (struct ldapsam_privates *)methods->private_data;
2599 struct smbldap_state *conn = ldap_state->smbldap_state;
2600 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2601 const char *sid_attrs[] = { "sambaSID", NULL };
2602 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2603 LDAPMessage *result = NULL;
2604 LDAPMessage *entry;
2605 char *filter;
2606 char **values = NULL;
2607 char **memberuid;
2608 char *gidstr;
2609 int rc, count;
2610
2611 *pp_member_rids = NULL;
2612 *p_num_members = 0;
2613
2614 filter = talloc_asprintf(mem_ctx,
2615 "(&(objectClass=%s)"
2616 "(objectClass=%s)"
2617 "(sambaSID=%s))",
2618 LDAP_OBJ_POSIXGROUP,
2619 LDAP_OBJ_GROUPMAP,
2620 sid_string_talloc(mem_ctx, group));
2621 if (filter == NULL) {
2622 ret = NT_STATUS_NO_MEMORY;
2623 goto done;
2624 }
2625
2626 rc = smbldap_search(conn, lp_ldap_suffix(),
2627 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2628 &result);
2629
2630 if (rc != LDAP_SUCCESS)
2631 goto done;
2632
2633 talloc_autofree_ldapmsg(mem_ctx, result);
2634
2635 count = ldap_count_entries(conn->ldap_struct, result);
2636
2637 if (count > 1) {
2638 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2639 sid_string_dbg(group)));
2640 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2641 goto done;
2642 }
2643
2644 if (count == 0) {
2645 ret = NT_STATUS_NO_SUCH_GROUP;
2646 goto done;
2647 }
2648
2649 entry = ldap_first_entry(conn->ldap_struct, result);
2650 if (entry == NULL)
2651 goto done;
2652
2653 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2654 if (!gidstr) {
2655 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2656 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2657 goto done;
2658 }
2659
2660 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2661
2662 if ((values != NULL) && (values[0] != NULL)) {
2663
2664 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2665 if (filter == NULL) {
2666 ret = NT_STATUS_NO_MEMORY;
2667 goto done;
2668 }
2669
2670 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2671 char *escape_memberuid;
2672
2673 escape_memberuid = escape_ldap_string(talloc_tos(),
2674 *memberuid);
2675 if (escape_memberuid == NULL) {
2676 ret = NT_STATUS_NO_MEMORY;
2677 goto done;
2678 }
2679
2680 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2681 TALLOC_FREE(escape_memberuid);
2682 if (filter == NULL) {
2683 ret = NT_STATUS_NO_MEMORY;
2684 goto done;
2685 }
2686 }
2687
2688 filter = talloc_asprintf_append_buffer(filter, "))");
2689 if (filter == NULL) {
2690 ret = NT_STATUS_NO_MEMORY;
2691 goto done;
2692 }
2693
2694 rc = smbldap_search(conn, lp_ldap_suffix(),
2695 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2696 &result);
2697
2698 if (rc != LDAP_SUCCESS)
2699 goto done;
2700
2701 count = ldap_count_entries(conn->ldap_struct, result);
2702 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2703
2704 talloc_autofree_ldapmsg(mem_ctx, result);
2705
2706 for (entry = ldap_first_entry(conn->ldap_struct, result);
2707 entry != NULL;
2708 entry = ldap_next_entry(conn->ldap_struct, entry))
2709 {
2710 char *sidstr;
2711 struct dom_sid sid;
2712 uint32_t rid;
2713
2714 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2715 entry, "sambaSID",
2716 mem_ctx);
2717 if (!sidstr) {
2718 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2719 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2720 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2721 goto done;
2722 }
2723
2724 if (!string_to_sid(&sid, sidstr))
2725 goto done;
2726
2727 if (!sid_check_is_in_our_domain(&sid)) {
2728 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2729 "in our domain\n"));
2730 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2731 goto done;
2732 }
2733
2734 sid_peek_rid(&sid, &rid);
2735
2736 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2737 p_num_members)) {
2738 ret = NT_STATUS_NO_MEMORY;
2739 goto done;
2740 }
2741 }
2742 }
2743
2744 filter = talloc_asprintf(mem_ctx,
2745 "(&(objectClass=%s)"
2746 "(gidNumber=%s))",
2747 LDAP_OBJ_SAMBASAMACCOUNT,
2748 gidstr);
2749
2750 rc = smbldap_search(conn, lp_ldap_suffix(),
2751 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2752 &result);
2753
2754 if (rc != LDAP_SUCCESS)
2755 goto done;
2756
2757 talloc_autofree_ldapmsg(mem_ctx, result);
2758
2759 for (entry = ldap_first_entry(conn->ldap_struct, result);
2760 entry != NULL;
2761 entry = ldap_next_entry(conn->ldap_struct, entry))
2762 {
2763 uint32_t rid;
2764
2765 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2766 entry,
2767 get_global_sam_sid(),
2768 &rid)) {
2769 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2770 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2771 goto done;
2772 }
2773
2774 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2775 p_num_members)) {
2776 ret = NT_STATUS_NO_MEMORY;
2777 goto done;
2778 }
2779 }
2780
2781 ret = NT_STATUS_OK;
2782
2783 done:
2784
2785 if (values)
2786 ldap_value_free(values);
2787
2788 return ret;
2789 }
2790
2791 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2792 TALLOC_CTX *mem_ctx,
2793 struct samu *user,
2794 struct dom_sid **pp_sids,
2795 gid_t **pp_gids,
2796 uint32_t *p_num_groups)
2797 {
2798 struct ldapsam_privates *ldap_state =
2799 (struct ldapsam_privates *)methods->private_data;
2800 struct smbldap_state *conn = ldap_state->smbldap_state;
2801 char *filter;
2802 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2803 char *escape_name;
2804 int rc, count;
2805 LDAPMessage *result = NULL;
2806 LDAPMessage *entry;
2807 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2808 uint32_t num_sids;
2809 uint32_t num_gids;
2810 char *gidstr;
2811 gid_t primary_gid = -1;
2812
2813 *pp_sids = NULL;
2814 num_sids = 0;
2815
2816 if (pdb_get_username(user) == NULL) {
2817 return NT_STATUS_INVALID_PARAMETER;
2818 }
2819
2820 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2821 if (escape_name == NULL)
2822 return NT_STATUS_NO_MEMORY;
2823
2824 if (user->unix_pw) {
2825 primary_gid = user->unix_pw->pw_gid;
2826 } else {
2827 /* retrieve the users primary gid */
2828 filter = talloc_asprintf(mem_ctx,
2829 "(&(objectClass=%s)(uid=%s))",
2830 LDAP_OBJ_SAMBASAMACCOUNT,
2831 escape_name);
2832 if (filter == NULL) {
2833 ret = NT_STATUS_NO_MEMORY;
2834 goto done;
2835 }
2836
2837 rc = smbldap_search(conn, lp_ldap_suffix(),
2838 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2839
2840 if (rc != LDAP_SUCCESS)
2841 goto done;
2842
2843 talloc_autofree_ldapmsg(mem_ctx, result);
2844
2845 count = ldap_count_entries(priv2ld(ldap_state), result);
2846
2847 switch (count) {
2848 case 0:
2849 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2850 ret = NT_STATUS_NO_SUCH_USER;
2851 goto done;
2852 case 1:
2853 entry = ldap_first_entry(priv2ld(ldap_state), result);
2854
2855 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2856 if (!gidstr) {
2857 DEBUG (1, ("Unable to find the member's gid!\n"));
2858 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2859 goto done;
2860 }
2861 primary_gid = strtoul(gidstr, NULL, 10);
2862 break;
2863 default:
2864 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2865 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2866 goto done;
2867 }
2868 }
2869
2870 filter = talloc_asprintf(mem_ctx,
2871 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2872 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2873 if (filter == NULL) {
2874 ret = NT_STATUS_NO_MEMORY;
2875 goto done;
2876 }
2877
2878 rc = smbldap_search(conn, lp_ldap_suffix(),
2879 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2880
2881 if (rc != LDAP_SUCCESS)
2882 goto done;
2883
2884 talloc_autofree_ldapmsg(mem_ctx, result);
2885
2886 num_gids = 0;
2887 *pp_gids = NULL;
2888
2889 num_sids = 0;
2890 *pp_sids = NULL;
2891
2892 /* We need to add the primary group as the first gid/sid */
2893
2894 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2895 ret = NT_STATUS_NO_MEMORY;
2896 goto done;
2897 }
2898
2899 /* This sid will be replaced later */
2900
2901 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2902 &num_sids);
2903 if (!NT_STATUS_IS_OK(ret)) {
2904 goto done;
2905 }
2906
2907 for (entry = ldap_first_entry(conn->ldap_struct, result);
2908 entry != NULL;
2909 entry = ldap_next_entry(conn->ldap_struct, entry))
2910 {
2911 fstring str;
2912 struct dom_sid sid;
2913 gid_t gid;
2914 char *end;
2915
2916 if (!smbldap_get_single_attribute(conn->ldap_struct,
2917 entry, "sambaSID",
2918 str, sizeof(str)-1))
2919 continue;
2920
2921 if (!string_to_sid(&sid, str))
2922 goto done;
2923
2924 if (!smbldap_get_single_attribute(conn->ldap_struct,
2925 entry, "gidNumber",
2926 str, sizeof(str)-1))
2927 continue;
2928
2929 gid = strtoul(str, &end, 10);
2930
2931 if (PTR_DIFF(end, str) != strlen(str))
2932 goto done;
2933
2934 if (gid == primary_gid) {
2935 sid_copy(&(*pp_sids)[0], &sid);
2936 } else {
2937 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2938 &num_gids)) {
2939 ret = NT_STATUS_NO_MEMORY;
2940 goto done;
2941 }
2942 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2943 &num_sids);
2944 if (!NT_STATUS_IS_OK(ret)) {
2945 goto done;
2946 }
2947 }
2948 }
2949
2950 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2951 DEBUG(3, ("primary group of [%s] not found\n",
2952 pdb_get_username(user)));
2953 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2954 goto done;
2955 }
2956
2957 *p_num_groups = num_sids;
2958
2959 ret = NT_STATUS_OK;
2960
2961 done:
2962
2963 TALLOC_FREE(escape_name);
2964 return ret;
2965 }
2966
2967 /**********************************************************************
2968 * Augment a posixGroup object with a sambaGroupMapping domgroup
2969 *********************************************************************/
2970
2971 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2972 struct ldapsam_privates *ldap_state,
2973 GROUP_MAP *map)
2974 {
2975 const char *filter, *dn;
2976 LDAPMessage *msg, *entry;
2977 LDAPMod **mods;
2978 int rc;
2979
2980 filter = talloc_asprintf(mem_ctx,
2981 "(&(objectClass=%s)(gidNumber=%u))",
2982 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2983 if (filter == NULL) {
2984 return NT_STATUS_NO_MEMORY;
2985 }
2986
2987 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2988 get_attr_list(mem_ctx, groupmap_attr_list),
2989 &msg);
2990 talloc_autofree_ldapmsg(mem_ctx, msg);
2991
2992 if ((rc != LDAP_SUCCESS) ||
2993 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2994 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2995 return NT_STATUS_NO_SUCH_GROUP;
2996 }
2997
2998 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2999 if (dn == NULL) {
3000 return NT_STATUS_NO_MEMORY;
3001 }
3002
3003 mods = NULL;
3004 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3005 LDAP_OBJ_GROUPMAP);
3006 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3007 sid_string_talloc(mem_ctx, &map->sid));
3008 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3009 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3010 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3011 map->nt_name);
3012 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3013 map->comment);
3014 talloc_autofree_ldapmod(mem_ctx, mods);
3015
3016 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3017 if (rc != LDAP_SUCCESS) {
3018 return NT_STATUS_ACCESS_DENIED;
3019 }
3020
3021 return NT_STATUS_OK;
3022 }
3023
3024 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3025 GROUP_MAP *map)
3026 {
3027 struct ldapsam_privates *ldap_state =
3028 (struct ldapsam_privates *)methods->private_data;
3029 LDAPMessage *msg = NULL;
3030 LDAPMod **mods = NULL;
3031 const char *attrs[] = { NULL };
3032 char *filter;
3033
3034 char *dn;
3035 TALLOC_CTX *mem_ctx;
3036 NTSTATUS result;
3037
3038 struct dom_sid sid;
3039
3040 int rc;
3041
3042 mem_ctx = talloc_new(NULL);
3043 if (mem_ctx == NULL) {
3044 DEBUG(0, ("talloc_new failed\n"));
3045 return NT_STATUS_NO_MEMORY;
3046 }
3047
3048 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3049 sid_string_talloc(mem_ctx, &map->sid));
3050 if (filter == NULL) {
3051 result = NT_STATUS_NO_MEMORY;
3052 goto done;
3053 }
3054
3055 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3056 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3057 talloc_autofree_ldapmsg(mem_ctx, msg);
3058
3059 if ((rc == LDAP_SUCCESS) &&
3060 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3061
3062 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3063 "group mapping entry\n", sid_string_dbg(&map->sid)));
3064 result = NT_STATUS_GROUP_EXISTS;
3065 goto done;
3066 }
3067
3068 switch (map->sid_name_use) {
3069
3070 case SID_NAME_DOM_GRP:
3071 /* To map a domain group we need to have a posix group
3072 to attach to. */
3073 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3074 goto done;
3075 break;
3076
3077 case SID_NAME_ALIAS:
3078 if (!sid_check_is_in_our_domain(&map->sid)
3079 && !sid_check_is_in_builtin(&map->sid) )
3080 {
3081 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3082 sid_string_dbg(&map->sid)));
3083 result = NT_STATUS_INVALID_PARAMETER;
3084 goto done;
3085 }
3086 break;
3087
3088 default:
3089 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3090 sid_type_lookup(map->sid_name_use)));
3091 result = NT_STATUS_INVALID_PARAMETER;
3092 goto done;
3093 }
3094
3095 /* Domain groups have been mapped in a separate routine, we have to
3096 * create an alias now */
3097
3098 if (map->gid == -1) {
3099 DEBUG(10, ("Refusing to map gid==-1\n"));
3100 result = NT_STATUS_INVALID_PARAMETER;
3101 goto done;
3102 }
3103
3104 if (pdb_gid_to_sid(map->gid, &sid)) {
3105 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3106 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3107 result = NT_STATUS_GROUP_EXISTS;
3108 goto done;
3109 }
3110
3111 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3112 * the best we can get out of LDAP. */
3113
3114 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3115 sid_string_talloc(mem_ctx, &map->sid),
3116 lp_ldap_group_suffix());
3117 if (dn == NULL) {
3118 result = NT_STATUS_NO_MEMORY;
3119 goto done;
3120 }
3121
3122 mods = NULL;
3123
3124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3125 LDAP_OBJ_SID_ENTRY);
3126 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3127 LDAP_OBJ_GROUPMAP);
3128 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3129 sid_string_talloc(mem_ctx, &map->sid));
3130 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3131 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3133 map->nt_name);
3134 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3135 map->comment);
3136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3137 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3138 talloc_autofree_ldapmod(mem_ctx, mods);
3139
3140 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3141
3142 result = (rc == LDAP_SUCCESS) ?
3143 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3144
3145 done:
3146 TALLOC_FREE(mem_ctx);
3147 return result;
3148 }
3149
3150 /**********************************************************************
3151 * Update a group mapping entry. We're quite strict about what can be changed:
3152 * Only the description and displayname may be changed. It simply does not
3153 * make any sense to change the SID, gid or the type in a mapping.
3154 *********************************************************************/
3155
3156 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3157 GROUP_MAP *map)
3158 {
3159 struct ldapsam_privates *ldap_state =
3160 (struct ldapsam_privates *)methods->private_data;
3161 int rc;
3162 const char *filter, *dn;
3163 LDAPMessage *msg = NULL;
3164 LDAPMessage *entry = NULL;
3165 LDAPMod **mods = NULL;
3166 TALLOC_CTX *mem_ctx;
3167 NTSTATUS result;
3168
3169 mem_ctx = talloc_new(NULL);
3170 if (mem_ctx == NULL) {
3171 DEBUG(0, ("talloc_new failed\n"));
3172 return NT_STATUS_NO_MEMORY;
3173 }
3174
3175 /* Make 100% sure that sid, gid and type are not changed by looking up
3176 * exactly the values we're given in LDAP. */
3177
3178 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3179 "(sambaSid=%s)(gidNumber=%u)"
3180 "(sambaGroupType=%d))",
3181 LDAP_OBJ_GROUPMAP,
3182 sid_string_talloc(mem_ctx, &map->sid),
3183 (unsigned int)map->gid, map->sid_name_use);
3184 if (filter == NULL) {
3185 result = NT_STATUS_NO_MEMORY;
3186 goto done;
3187 }
3188
3189 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3190 get_attr_list(mem_ctx, groupmap_attr_list),
3191 &msg);
3192 talloc_autofree_ldapmsg(mem_ctx, msg);
3193
3194 if ((rc != LDAP_SUCCESS) ||
3195 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3196 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3197 result = NT_STATUS_NO_SUCH_GROUP;
3198 goto done;
3199 }
3200
3201 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3202
3203 if (dn == NULL) {
3204 result = NT_STATUS_NO_MEMORY;
3205 goto done;
3206 }
3207
3208 mods = NULL;
3209 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3210 map->nt_name);
3211 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3212 map->comment);
3213 talloc_autofree_ldapmod(mem_ctx, mods);
3214
3215 if (mods == NULL) {
3216 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3217 "nothing to do\n"));
3218 result = NT_STATUS_OK;
3219 goto done;
3220 }
3221
3222 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3223
3224 if (rc != LDAP_SUCCESS) {
3225 result = NT_STATUS_ACCESS_DENIED;
3226 goto done;
3227 }
3228
3229 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3230 "group %lu in LDAP\n", (unsigned long)map->gid));
3231
3232 result = NT_STATUS_OK;
3233
3234 done:
3235 TALLOC_FREE(mem_ctx);
3236 return result;
3237 }
3238
3239 /**********************************************************************
3240 *********************************************************************/
3241
3242 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3243 struct dom_sid sid)
3244 {
3245 struct ldapsam_privates *priv =
3246 (struct ldapsam_privates *)methods->private_data;
3247 LDAPMessage *msg, *entry;
3248 int rc;
3249 NTSTATUS result;
3250 TALLOC_CTX *mem_ctx;
3251 char *filter;
3252
3253 mem_ctx = talloc_new(NULL);
3254 if (mem_ctx == NULL) {
3255 DEBUG(0, ("talloc_new failed\n"));
3256 return NT_STATUS_NO_MEMORY;
3257 }
3258
3259 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3260 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3261 sid_string_talloc(mem_ctx, &sid));
3262 if (filter == NULL) {
3263 result = NT_STATUS_NO_MEMORY;
3264 goto done;
3265 }
3266 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3267 get_attr_list(mem_ctx, groupmap_attr_list),
3268 &msg);
3269 talloc_autofree_ldapmsg(mem_ctx, msg);
3270
3271 if ((rc != LDAP_SUCCESS) ||
3272 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3273 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3274 result = NT_STATUS_NO_SUCH_GROUP;
3275 goto done;
3276 }
3277
3278 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3279 get_attr_list(mem_ctx,
3280 groupmap_attr_list_to_delete));
3281
3282 if ((rc == LDAP_NAMING_VIOLATION) ||
3283 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3284 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3285 const char *attrs[] = { "sambaGroupType", "description",
3286 "displayName", "sambaSIDList",
3287 NULL };
3288
3289 /* Second try. Don't delete the sambaSID attribute, this is
3290 for "old" entries that are tacked on a winbind
3291 sambaIdmapEntry. */
3292
3293 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3294 LDAP_OBJ_GROUPMAP, attrs);
3295 }
3296
3297 if ((rc == LDAP_NAMING_VIOLATION) ||
3298 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3299 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3300 const char *attrs[] = { "sambaGroupType", "description",
3301 "displayName", "sambaSIDList",
3302 "gidNumber", NULL };
3303
3304 /* Third try. This is a post-3.0.21 alias (containing only
3305 * sambaSidEntry and sambaGroupMapping classes), we also have
3306 * to delete the gidNumber attribute, only the sambaSidEntry
3307 * remains */
3308
3309 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3310 LDAP_OBJ_GROUPMAP, attrs);
3311 }
3312
3313 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3314
3315 done:
3316 TALLOC_FREE(mem_ctx);
3317 return result;
3318 }
3319
3320 /**********************************************************************
3321 *********************************************************************/
3322
3323 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3324 bool update)
3325 {
3326 struct ldapsam_privates *ldap_state =
3327 (struct ldapsam_privates *)my_methods->private_data;
3328 char *filter = NULL;
3329 int rc;
3330 const char **attr_list;
3331
3332 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3333 if (!filter) {
3334 return NT_STATUS_NO_MEMORY;
3335 }
3336 attr_list = get_attr_list( NULL, groupmap_attr_list );
3337 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3338 LDAP_SCOPE_SUBTREE, filter,
3339 attr_list, 0, &ldap_state->result);
3340 TALLOC_FREE(attr_list);
3341
3342 if (rc != LDAP_SUCCESS) {
3343 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3344 ldap_err2string(rc)));
3345 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3346 lp_ldap_suffix(), filter));
3347 ldap_msgfree(ldap_state->result);
3348 ldap_state->result = NULL;
3349 TALLOC_FREE(filter);
3350 return NT_STATUS_UNSUCCESSFUL;
3351 }
3352
3353 TALLOC_FREE(filter);
3354
3355 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3356 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3357 ldap_state->result)));
3358
3359 ldap_state->entry =
3360 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3361 ldap_state->result);
3362 ldap_state->index = 0;
3363
3364 return NT_STATUS_OK;
3365 }
3366
3367 /**********************************************************************
3368 *********************************************************************/
3369
3370 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3371 {
3372 ldapsam_endsampwent(my_methods);
3373 }
3374
3375 /**********************************************************************
3376 *********************************************************************/
3377
3378 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3379 GROUP_MAP *map)
3380 {
3381 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3382 struct ldapsam_privates *ldap_state =
3383 (struct ldapsam_privates *)my_methods->private_data;
3384 bool bret = False;
3385
3386 while (!bret) {
3387 if (!ldap_state->entry)
3388 return ret;
3389
3390 ldap_state->index++;
3391 bret = init_group_from_ldap(ldap_state, map,
3392 ldap_state->entry);
3393
3394 ldap_state->entry =
3395 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3396 ldap_state->entry);
3397 }
3398
3399 return NT_STATUS_OK;
3400 }
3401
3402 /**********************************************************************
3403 *********************************************************************/
3404
3405 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3406 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3407 GROUP_MAP ***pp_rmap,
3408 size_t *p_num_entries,
3409 bool unix_only)
3410 {
3411 GROUP_MAP *map = NULL;
3412 size_t entries = 0;
3413
3414 *p_num_entries = 0;
3415 *pp_rmap = NULL;
3416
3417 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3418 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3419 "passdb\n"));
3420 return NT_STATUS_ACCESS_DENIED;
3421 }
3422
3423 while (true) {
3424
3425 map = talloc_zero(NULL, GROUP_MAP);
3426 if (!map) {
3427 return NT_STATUS_NO_MEMORY;
3428 }
3429
3430 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3431 TALLOC_FREE(map);
3432 break;
3433 }
3434
3435 if (sid_name_use != SID_NAME_UNKNOWN &&
3436 sid_name_use != map->sid_name_use) {
3437 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3438 "not of the requested type\n",
3439 map->nt_name));
3440 continue;
3441 }
3442 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3443 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3444 "non mapped\n", map->nt_name));
3445 continue;
3446 }
3447
3448 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3449 GROUP_MAP *, entries + 1);
3450 if (!(*pp_rmap)) {
3451 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3452 "enlarge group map!\n"));
3453 return NT_STATUS_UNSUCCESSFUL;
3454 }
3455
3456 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3457
3458 entries += 1;
3459 }
3460
3461 ldapsam_endsamgrent(methods);
3462
3463 *p_num_entries = entries;
3464
3465 return NT_STATUS_OK;
3466 }
3467
3468 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3469 const struct dom_sid *alias,
3470 const struct dom_sid *member,
3471 int modop)
3472 {
3473 struct ldapsam_privates *ldap_state =
3474 (struct ldapsam_privates *)methods->private_data;
3475 char *dn = NULL;
3476 LDAPMessage *result = NULL;
3477 LDAPMessage *entry = NULL;
3478 int count;
3479 LDAPMod **mods = NULL;
3480 int rc;
3481 enum lsa_SidType type = SID_NAME_USE_NONE;
3482 fstring tmp;
3483
3484 char *filter = NULL;
3485
3486 if (sid_check_is_in_builtin(alias)) {
3487 type = SID_NAME_ALIAS;
3488 }
3489
3490 if (sid_check_is_in_our_domain(alias)) {
3491 type = SID_NAME_ALIAS;
3492 }
3493
3494 if (type == SID_NAME_USE_NONE) {
3495 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3496 sid_string_dbg(alias)));
3497 return NT_STATUS_NO_SUCH_ALIAS;
3498 }
3499
3500 if (asprintf(&filter,
3501 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3502 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3503 type) < 0) {
3504 return NT_STATUS_NO_MEMORY;
3505 }
3506
3507 if (ldapsam_search_one_group(ldap_state, filter,
3508 &result) != LDAP_SUCCESS) {
3509 SAFE_FREE(filter);
3510 return NT_STATUS_NO_SUCH_ALIAS;
3511 }
3512
3513 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3514 result);
3515
3516 if (count < 1) {
3517 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3518 ldap_msgfree(result);
3519 SAFE_FREE(filter);
3520 return NT_STATUS_NO_SUCH_ALIAS;
3521 }
3522
3523 if (count > 1) {
3524 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3525 "filter %s: count=%d\n", filter, count));
3526 ldap_msgfree(result);
3527 SAFE_FREE(filter);
3528 return NT_STATUS_NO_SUCH_ALIAS;
3529 }
3530
3531 SAFE_FREE(filter);
3532
3533 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3534 result);
3535
3536 if (!entry) {
3537 ldap_msgfree(result);
3538 return NT_STATUS_UNSUCCESSFUL;
3539 }
3540
3541 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3542 if (!dn) {
3543 ldap_msgfree(result);
3544 return NT_STATUS_UNSUCCESSFUL;
3545 }
3546
3547 smbldap_set_mod(&mods, modop,
3548 get_attr_key2string(groupmap_attr_list,
3549 LDAP_ATTR_SID_LIST),
3550 sid_to_fstring(tmp, member));
3551
3552 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3553
3554 ldap_mods_free(mods, True);
3555 ldap_msgfree(result);
3556 TALLOC_FREE(dn);
3557
3558 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3559 return NT_STATUS_MEMBER_IN_ALIAS;
3560 }
3561
3562 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3563 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3564 }
3565
3566 if (rc != LDAP_SUCCESS) {
3567 return NT_STATUS_UNSUCCESSFUL;
3568 }
3569
3570 return NT_STATUS_OK;
3571 }
3572
3573 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3574 const struct dom_sid *alias,
3575 const struct dom_sid *member)
3576 {
3577 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3578 }
3579
3580 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3581 const struct dom_sid *alias,
3582 const struct dom_sid *member)
3583 {
3584 return ldapsam_modify_aliasmem(methods, alias, member,
3585 LDAP_MOD_DELETE);
3586 }
3587
3588 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3589 const struct dom_sid *alias,
3590 TALLOC_CTX *mem_ctx,
3591 struct dom_sid **pp_members,
3592 size_t *p_num_members)
3593 {
3594 struct ldapsam_privates *ldap_state =
3595 (struct ldapsam_privates *)methods->private_data;
3596 LDAPMessage *result = NULL;
3597 LDAPMessage *entry = NULL;
3598 int count;
3599 char **values = NULL;
3600 int i;
3601 char *filter = NULL;
3602 uint32_t num_members = 0;
3603 enum lsa_SidType type = SID_NAME_USE_NONE;
3604 fstring tmp;
3605
3606 *pp_members = NULL;
3607 *p_num_members = 0;
3608
3609 if (sid_check_is_in_builtin(alias)) {
3610 type = SID_NAME_ALIAS;
3611 }
3612
3613 if (sid_check_is_in_our_domain(alias)) {
3614 type = SID_NAME_ALIAS;
3615 }
3616
3617 if (type == SID_NAME_USE_NONE) {
3618 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3619 sid_string_dbg(alias)));
3620 return NT_STATUS_NO_SUCH_ALIAS;
3621 }
3622
3623 if (asprintf(&filter,
3624 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3625 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3626 type) < 0) {
3627 return NT_STATUS_NO_MEMORY;
3628 }
3629
3630 if (ldapsam_search_one_group(ldap_state, filter,
3631 &result) != LDAP_SUCCESS) {
3632 SAFE_FREE(filter);
3633 return NT_STATUS_NO_SUCH_ALIAS;
3634 }
3635
3636 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3637 result);
3638
3639 if (count < 1) {
3640 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3641 ldap_msgfree(result);
3642 SAFE_FREE(filter);
3643 return NT_STATUS_NO_SUCH_ALIAS;
3644 }
3645
3646 if (count > 1) {
3647 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3648 "filter %s: count=%d\n", filter, count));
3649 ldap_msgfree(result);
3650 SAFE_FREE(filter);
3651 return NT_STATUS_NO_SUCH_ALIAS;
3652 }
3653
3654 SAFE_FREE(filter);
3655
3656 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3657 result);
3658
3659 if (!entry) {
3660 ldap_msgfree(result);
3661 return NT_STATUS_UNSUCCESSFUL;
3662 }
3663
3664 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3665 entry,
3666 get_attr_key2string(groupmap_attr_list,
3667 LDAP_ATTR_SID_LIST));
3668
3669 if (values == NULL) {
3670 ldap_msgfree(result);
3671 return NT_STATUS_OK;
3672 }
3673
3674 count = ldap_count_values(values);
3675
3676 for (i=0; i<count; i++) {
3677 struct dom_sid member;
3678 NTSTATUS status;
3679
3680 if (!string_to_sid(&member, values[i]))
3681 continue;
3682
3683 status = add_sid_to_array(mem_ctx, &member, pp_members,
3684 &num_members);
3685 if (!NT_STATUS_IS_OK(status)) {
3686 ldap_value_free(values);
3687 ldap_msgfree(result);
3688 return status;
3689 }
3690 }
3691
3692 *p_num_members = num_members;
3693 ldap_value_free(values);
3694 ldap_msgfree(result);
3695
3696 return NT_STATUS_OK;
3697 }
3698
3699 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3700 TALLOC_CTX *mem_ctx,
3701 const struct dom_sid *domain_sid,
3702 const struct dom_sid *members,
3703 size_t num_members,
3704 uint32_t **pp_alias_rids,
3705 size_t *p_num_alias_rids)
3706 {
3707 struct ldapsam_privates *ldap_state =
3708 (struct ldapsam_privates *)methods->private_data;
3709 LDAP *ldap_struct;
3710
3711 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3712
3713 LDAPMessage *result = NULL;
3714 LDAPMessage *entry = NULL;
3715 int i;
3716 int rc;
3717 char *filter;
3718 enum lsa_SidType type = SID_NAME_USE_NONE;
3719 bool is_builtin = false;
3720 bool sid_added = false;
3721
3722 *pp_alias_rids = NULL;
3723 *p_num_alias_rids = 0;
3724
3725 if (sid_check_is_builtin(domain_sid)) {
3726 is_builtin = true;
3727 type = SID_NAME_ALIAS;
3728 }
3729
3730 if (sid_check_is_our_sam(domain_sid)) {
3731 type = SID_NAME_ALIAS;
3732 }
3733
3734 if (type == SID_NAME_USE_NONE) {
3735 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3736 sid_string_dbg(domain_sid)));
3737 return NT_STATUS_UNSUCCESSFUL;
3738 }
3739
3740 if (num_members == 0) {
3741 return NT_STATUS_OK;
3742 }
3743
3744 filter = talloc_asprintf(mem_ctx,
3745 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3746 LDAP_OBJ_GROUPMAP, type);
3747
3748 for (i=0; i<num_members; i++)
3749 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3750 filter,
3751 sid_string_talloc(mem_ctx,
3752 &members[i]));
3753
3754 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3755
3756 if (filter == NULL) {
3757 return NT_STATUS_NO_MEMORY;
3758 }
3759
3760 if (is_builtin &&
3761 ldap_state->search_cache.filter &&
3762 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3763 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3764 result = ldap_state->search_cache.result;
3765 ldap_state->search_cache.result = NULL;
3766 } else {
3767 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3768 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3769 if (rc != LDAP_SUCCESS) {
3770 return NT_STATUS_UNSUCCESSFUL;
3771 }
3772 talloc_autofree_ldapmsg(filter, result);
3773 }
3774
3775 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3776
3777 for (entry = ldap_first_entry(ldap_struct, result);
3778 entry != NULL;
3779 entry = ldap_next_entry(ldap_struct, entry))
3780 {
3781 fstring sid_str;
3782 struct dom_sid sid;
3783 uint32_t rid;
3784
3785 if (!smbldap_get_single_attribute(ldap_struct, entry,
3786 LDAP_ATTRIBUTE_SID,
3787 sid_str,
3788 sizeof(sid_str)-1))
3789 continue;
3790
3791 if (!string_to_sid(&sid, sid_str))
3792 continue;
3793
3794 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3795 continue;
3796
3797 sid_added = true;
3798
3799 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3800 p_num_alias_rids)) {
3801 return NT_STATUS_NO_MEMORY;
3802 }
3803 }
3804
3805 if (!is_builtin && !sid_added) {
3806 TALLOC_FREE(ldap_state->search_cache.filter);
3807 /*
3808 * Note: result is a talloc child of filter because of the
3809 * talloc_autofree_ldapmsg() usage
3810 */
3811 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3812 ldap_state->search_cache.result = result;
3813 }
3814
3815 return NT_STATUS_OK;
3816 }
3817
3818 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3819 enum pdb_policy_type type,
3820 uint32_t value)
3821 {
3822 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3823 int rc;
3824 LDAPMod **mods = NULL;
3825 fstring value_string;
3826 const char *policy_attr = NULL;
3827
3828 struct ldapsam_privates *ldap_state =
3829 (struct ldapsam_privates *)methods->private_data;
3830
3831 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3832
3833 if (!ldap_state->domain_dn) {
3834 return NT_STATUS_INVALID_PARAMETER;
3835 }
3836
3837 policy_attr = get_account_policy_attr(type);
3838 if (policy_attr == NULL) {
3839 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3840 "policy\n"));
3841 return ntstatus;
3842 }
3843
3844 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3845
3846 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3847
3848 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3849 mods);
3850
3851 ldap_mods_free(mods, True);
3852
3853 if (rc != LDAP_SUCCESS) {
3854 return ntstatus;
3855 }
3856
3857 if (!cache_account_policy_set(type, value)) {
3858 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3859 "update local tdb cache\n"));
3860 return ntstatus;
3861 }
3862
3863 return NT_STATUS_OK;
3864 }
3865
3866 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3867 enum pdb_policy_type type,
3868 uint32_t value)
3869 {
3870 return ldapsam_set_account_policy_in_ldap(methods, type,
3871 value);
3872 }
3873
3874 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3875 enum pdb_policy_type type,
3876 uint32_t *value)
3877 {
3878 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3879 LDAPMessage *result = NULL;
3880 LDAPMessage *entry = NULL;
3881 int count;
3882 int rc;
3883 char **vals = NULL;
3884 char *filter;
3885 const char *policy_attr = NULL;
3886
3887 struct ldapsam_privates *ldap_state =
3888 (struct ldapsam_privates *)methods->private_data;
3889
3890 const char *attrs[2];
3891
3892 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3893
3894 if (!ldap_state->domain_dn) {
3895 return NT_STATUS_INVALID_PARAMETER;
3896 }
3897
3898 policy_attr = get_account_policy_attr(type);
3899 if (!policy_attr) {
3900 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3901 "policy index: %d\n", type));
3902 return ntstatus;
3903 }
3904
3905 attrs[0] = policy_attr;
3906 attrs[1] = NULL;
3907
3908 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3909 if (filter == NULL) {
3910 return NT_STATUS_NO_MEMORY;
3911 }
3912 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3913 LDAP_SCOPE_BASE, filter, attrs, 0,
3914 &result);
3915 TALLOC_FREE(filter);
3916 if (rc != LDAP_SUCCESS) {
3917 return ntstatus;
3918 }
3919
3920 count = ldap_count_entries(priv2ld(ldap_state), result);
3921 if (count < 1) {
3922 goto out;
3923 }
3924
3925 entry = ldap_first_entry(priv2ld(ldap_state), result);
3926 if (entry == NULL) {
3927 goto out;
3928 }
3929
3930 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3931 if (vals == NULL) {
3932 goto out;
3933 }
3934
3935 *value = (uint32_t)atol(vals[0]);
3936
3937 ntstatus = NT_STATUS_OK;
3938
3939 out:
3940 if (vals)
3941 ldap_value_free(vals);
3942 ldap_msgfree(result);
3943
3944 return ntstatus;
3945 }
3946
3947 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3948
3949 - if user hasn't decided to use account policies inside LDAP just reuse the
3950 old tdb values
3951
3952 - if there is a valid cache entry, return that
3953 - if there is an LDAP entry, update cache and return
3954 - otherwise set to default, update cache and return
3955
3956 Guenther
3957 */
3958 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3959 enum pdb_policy_type type,
3960 uint32_t *value)
3961 {
3962 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3963
3964 if (cache_account_policy_get(type, value)) {
3965 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3966 "cache\n"));
3967 return NT_STATUS_OK;
3968 }
3969
3970 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3971 value);
3972 if (NT_STATUS_IS_OK(ntstatus)) {
3973 goto update_cache;
3974 }
3975
3976 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3977 "ldap\n"));
3978
3979 #if 0
3980 /* should we automagically migrate old tdb value here ? */
3981 if (account_policy_get(type, value))
3982 goto update_ldap;
3983
3984 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3985 "default\n", type));
3986 #endif
3987
3988 if (!account_policy_get_default(type, value)) {
3989 return ntstatus;
3990 }
3991
3992 /* update_ldap: */
3993
3994 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3995 if (!NT_STATUS_IS_OK(ntstatus)) {
3996 return ntstatus;
3997 }
3998
3999 update_cache:
4000
4001 if (!cache_account_policy_set(type, *value)) {
4002 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4003 "tdb as a cache\n"));
4004 return NT_STATUS_UNSUCCESSFUL;
4005 }
4006
4007 return NT_STATUS_OK;
4008 }
4009
4010 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4011 const struct dom_sid *domain_sid,
4012 int num_rids,
4013 uint32_t *rids,
4014 const char **names,
4015 enum lsa_SidType *attrs)
4016 {
4017 struct ldapsam_privates *ldap_state =
4018 (struct ldapsam_privates *)methods->private_data;
4019 LDAPMessage *msg = NULL;
4020 LDAPMessage *entry;
4021 char *allsids = NULL;
4022 int i, rc, num_mapped;
4023 NTSTATUS result = NT_STATUS_NO_MEMORY;
4024 TALLOC_CTX *mem_ctx;
4025 LDAP *ld;
4026 bool is_builtin;
4027
4028 mem_ctx = talloc_new(NULL);
4029 if (mem_ctx == NULL) {
4030 DEBUG(0, ("talloc_new failed\n"));
4031 goto done;
4032 }
4033
4034 if (!sid_check_is_builtin(domain_sid) &&
4035 !sid_check_is_our_sam(domain_sid)) {
4036 result = NT_STATUS_INVALID_PARAMETER;
4037 goto done;
4038 }
4039
4040 if (num_rids == 0) {
4041 result = NT_STATUS_NONE_MAPPED;
4042 goto done;
4043 }
4044
4045 for (i=0; i<num_rids; i++)
4046 attrs[i] = SID_NAME_UNKNOWN;
4047
4048 allsids = talloc_strdup(mem_ctx, "");
4049 if (allsids == NULL) {
4050 goto done;
4051 }
4052
4053 for (i=0; i<num_rids; i++) {
4054 struct dom_sid sid;
4055 sid_compose(&sid, domain_sid, rids[i]);
4056 allsids = talloc_asprintf_append_buffer(
4057 allsids, "(sambaSid=%s)",
4058 sid_string_talloc(mem_ctx, &sid));
4059 if (allsids == NULL) {
4060 goto done;
4061 }
4062 }
4063
4064 /* First look for users */
4065
4066 {
4067 char *filter;
4068 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4069
4070 filter = talloc_asprintf(
4071 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4072 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4073
4074 if (filter == NULL) {
4075 goto done;
4076 }
4077
4078 rc = smbldap_search(ldap_state->smbldap_state,
4079 lp_ldap_user_suffix(),
4080 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4081 &msg);
4082 talloc_autofree_ldapmsg(mem_ctx, msg);
4083 }
4084
4085 if (rc != LDAP_SUCCESS)
4086 goto done;
4087
4088 ld = ldap_state->smbldap_state->ldap_struct;
4089 num_mapped = 0;
4090
4091 for (entry = ldap_first_entry(ld, msg);
4092 entry != NULL;
4093 entry = ldap_next_entry(ld, entry)) {
4094 uint32_t rid;
4095 int rid_index;
4096 const char *name;
4097
4098 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4099 &rid)) {
4100 DEBUG(2, ("Could not find sid from ldap entry\n"));
4101 continue;
4102 }
4103
4104 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4105 names);
4106 if (name == NULL) {
4107 DEBUG(2, ("Could not retrieve uid attribute\n"));
4108 continue;
4109 }
4110
4111 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4112 if (rid == rids[rid_index])
4113 break;
4114 }
4115
4116 if (rid_index == num_rids) {
4117 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4118 continue;
4119 }
4120
4121 attrs[rid_index] = SID_NAME_USER;
4122 names[rid_index] = name;
4123 num_mapped += 1;
4124 }
4125
4126 if (num_mapped == num_rids) {
4127 /* No need to look for groups anymore -- we're done */
4128 result = NT_STATUS_OK;
4129 goto done;
4130 }
4131
4132 /* Same game for groups */
4133
4134 {
4135 char *filter;
4136 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4137 "sambaGroupType", NULL };
4138
4139 filter = talloc_asprintf(
4140 mem_ctx, "(&(objectClass=%s)(|%s))",
4141 LDAP_OBJ_GROUPMAP, allsids);
4142 if (filter == NULL) {
4143 goto done;
4144 }
4145
4146 rc = smbldap_search(ldap_state->smbldap_state,
4147 lp_ldap_suffix(),
4148 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4149 &msg);
4150 talloc_autofree_ldapmsg(mem_ctx, msg);
4151 }
4152
4153 if (rc != LDAP_SUCCESS)
4154 goto done;
4155
4156 /* ldap_struct might have changed due to a reconnect */
4157
4158 ld = ldap_state->smbldap_state->ldap_struct;
4159
4160 /* For consistency checks, we already checked we're only domain or builtin */
4161
4162 is_builtin = sid_check_is_builtin(domain_sid);
4163
4164 for (entry = ldap_first_entry(ld, msg);
4165 entry != NULL;
4166 entry = ldap_next_entry(ld, entry))
4167 {
4168 uint32_t rid;
4169 int rid_index;
4170 const char *attr;
4171 enum lsa_SidType type;
4172 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4173
4174 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4175 mem_ctx);
4176 if (attr == NULL) {
4177 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4178 dn));
4179 continue;
4180 }
4181
4182 type = (enum lsa_SidType)atol(attr);
4183
4184 /* Consistency checks */
4185 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4186 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4187 (type != SID_NAME_DOM_GRP)))) {
4188 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4189 }
4190
4191 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4192 &rid)) {
4193 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4194 continue;
4195 }
4196
4197 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4198
4199 if (attr == NULL) {
4200 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4201 dn));
4202 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4203 }
4204
4205 if (attr == NULL) {
4206 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4207 dn));
4208 continue;
4209 }
4210
4211 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4212 if (rid == rids[rid_index])
4213 break;
4214 }
4215
4216 if (rid_index == num_rids) {
4217 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4218 continue;
4219 }
4220
4221 attrs[rid_index] = type;
4222 names[rid_index] = attr;
4223 num_mapped += 1;
4224 }
4225
4226 result = NT_STATUS_NONE_MAPPED;
4227
4228 if (num_mapped > 0)
4229 result = (num_mapped == num_rids) ?
4230 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4231 done:
4232 TALLOC_FREE(mem_ctx);
4233 return result;
4234 }
4235
4236 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4237 {
4238 char *filter = NULL;
4239 char *escaped = NULL;
4240 char *result = NULL;
4241
4242 if (asprintf(&filter, "(&%s(objectclass=%s))",
4243 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4244 goto done;
4245 }
4246
4247 escaped = escape_ldap_string(talloc_tos(), username);
4248 if (escaped == NULL) goto done;
4249
4250 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4251
4252 done:
4253 SAFE_FREE(filter);
4254 TALLOC_FREE(escaped);
4255
4256 return result;
4257 }
4258
4259 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4260 {
4261 int i, num = 0;
4262 va_list ap;
4263 const char **result;
4264
4265 va_start(ap, mem_ctx);
4266 while (va_arg(ap, const char *) != NULL)
4267 num += 1;
4268 va_end(ap);
4269
4270 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4271 return NULL;
4272 }
4273
4274 va_start(ap, mem_ctx);
4275 for (i=0; i<num; i++) {
4276 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4277 if (result[i] == NULL) {
4278 talloc_free(result);
4279 va_end(ap);
4280 return NULL;
4281 }
4282 }
4283 va_end(ap);
4284
4285 result[num] = NULL;
4286 return result;
4287 }
4288
4289 struct ldap_search_state {
4290 struct smbldap_state *connection;
4291
4292 uint32_t acct_flags;
4293 uint16_t group_type;
4294
4295 const char *base;
4296 int scope;
4297 const char *filter;
4298 const char **attrs;
4299 int attrsonly;
4300 void *pagedresults_cookie;
4301
4302 LDAPMessage *entries, *current_entry;
4303 bool (*ldap2displayentry)(struct ldap_search_state *state,
4304 TALLOC_CTX *mem_ctx,
4305 LDAP *ld, LDAPMessage *entry,
4306 struct samr_displayentry *result);
4307 };
4308
4309 static bool ldapsam_search_firstpage(struct pdb_search *search)
4310 {
4311 struct ldap_search_state *state =
4312 (struct ldap_search_state *)search->private_data;
4313 LDAP *ld;
4314 int rc = LDAP_OPERATIONS_ERROR;
4315
4316 state->entries = NULL;
4317
4318 if (state->connection->paged_results) {
4319 rc = smbldap_search_paged(state->connection, state->base,
4320 state->scope, state->filter,
4321 state->attrs, state->attrsonly,
4322 lp_ldap_page_size(), &state->entries,
4323 &state->pagedresults_cookie);
4324 }
4325
4326 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4327
4328 if (state->entries != NULL) {
4329 /* Left over from unsuccessful paged attempt */
4330 ldap_msgfree(state->entries);
4331 state->entries = NULL;
4332 }
4333
4334 rc = smbldap_search(state->connection, state->base,
4335 state->scope, state->filter, state->attrs,
4336 state->attrsonly, &state->entries);
4337
4338 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4339 return False;
4340
4341 /* Ok, the server was lying. It told us it could do paged
4342 * searches when it could not. */
4343 state->connection->paged_results = False;
4344 }
4345
4346 ld = state->connection->ldap_struct;
4347 if ( ld == NULL) {
4348 DEBUG(5, ("Don't have an LDAP connection right after a "
4349 "search\n"));
4350 return False;
4351 }
4352 state->current_entry = ldap_first_entry(ld, state->entries);
4353
4354 return True;
4355 }
4356
4357 static bool ldapsam_search_nextpage(struct pdb_search *search)
4358 {
4359 struct ldap_search_state *state =
4360 (struct ldap_search_state *)search->private_data;
4361 int rc;
4362
4363 if (!state->connection->paged_results) {
4364 /* There is no next page when there are no paged results */
4365 return False;
4366 }
4367
4368 rc = smbldap_search_paged(state->connection, state->base,
4369 state->scope, state->filter, state->attrs,
4370 state->attrsonly, lp_ldap_page_size(),
4371 &state->entries,
4372 &state->pagedresults_cookie);
4373
4374 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4375 return False;
4376
4377 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4378
4379 if (state->current_entry == NULL) {
4380 ldap_msgfree(state->entries);
4381 state->entries = NULL;
4382 return false;
4383 }
4384
4385 return True;
4386 }
4387
4388 static bool ldapsam_search_next_entry(struct pdb_search *search,
4389 struct samr_displayentry *entry)
4390 {
4391 struct ldap_search_state *state =
4392 (struct ldap_search_state *)search->private_data;
4393 bool result;
4394
4395 retry:
4396 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4397 return False;
4398
4399 if ((state->entries == NULL) &&
4400 !ldapsam_search_nextpage(search))
4401 return False;
4402
4403 if (state->current_entry == NULL) {
4404 return false;
4405 }
4406
4407 result = state->ldap2displayentry(state, search,
4408 state->connection->ldap_struct,
4409 state->current_entry, entry);
4410
4411 if (!result) {
4412 char *dn;
4413 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4414 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4415 if (dn != NULL) ldap_memfree(dn);
4416 }
4417
4418 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4419
4420 if (state->current_entry == NULL) {
4421 ldap_msgfree(state->entries);
4422 state->entries = NULL;
4423 }
4424
4425 if (!result) goto retry;
4426
4427 return True;
4428 }
4429
4430 static void ldapsam_search_end(struct pdb_search *search)
4431 {
4432 struct ldap_search_state *state =
4433 (struct ldap_search_state *)search->private_data;
4434 int rc;
4435
4436 if (state->pagedresults_cookie == NULL)
4437 return;
4438
4439 if (state->entries != NULL)
4440 ldap_msgfree(state->entries);
4441
4442 state->entries = NULL;
4443 state->current_entry = NULL;
4444
4445 if (!state->connection->paged_results)
4446 return;
4447
4448 /* Tell the LDAP server we're not interested in the rest anymore. */
4449
4450 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4451 state->filter, state->attrs,
4452 state->attrsonly, 0, &state->entries,
4453 &state->pagedresults_cookie);
4454
4455 if (rc != LDAP_SUCCESS)
4456 DEBUG(5, ("Could not end search properly\n"));
4457
4458 return;
4459 }
4460
4461 static bool ldapuser2displayentry(struct ldap_search_state *state,
4462 TALLOC_CTX *mem_ctx,
4463 LDAP *ld, LDAPMessage *entry,
4464 struct samr_displayentry *result)
4465 {
4466 char **vals;
4467 size_t converted_size;
4468 struct dom_sid sid;
4469 uint32_t acct_flags;
4470
4471 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4472 if ((vals == NULL) || (vals[0] == NULL)) {
4473 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4474 return False;
4475 }
4476 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4477 ldap_value_free(vals);
4478
4479 if ((state->acct_flags != 0) &&
4480 ((state->acct_flags & acct_flags) == 0))
4481 return False;
4482
4483 result->acct_flags = acct_flags;
4484 result->account_name = "";
4485 result->fullname = "";
4486 result->description = "";
4487
4488 vals = ldap_get_values(ld, entry, "uid");
4489 if ((vals == NULL) || (vals[0] == NULL)) {
4490 DEBUG(5, ("\"uid\" not found\n"));
4491 return False;
4492 }
4493 if (!pull_utf8_talloc(mem_ctx,
4494 discard_const_p(char *, &result->account_name),
4495 vals[0], &converted_size))
4496 {
4497 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4498 strerror(errno)));
4499 }
4500
4501 ldap_value_free(vals);
4502
4503 vals = ldap_get_values(ld, entry, "displayName");
4504 if ((vals == NULL) || (vals[0] == NULL))
4505 DEBUG(8, ("\"displayName\" not found\n"));
4506 else if (!pull_utf8_talloc(mem_ctx,
4507 discard_const_p(char *, &result->fullname),
4508 vals[0], &converted_size))
4509 {
4510 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4511 strerror(errno)));
4512 }
4513
4514 ldap_value_free(vals);
4515
4516 vals = ldap_get_values(ld, entry, "description");
4517 if ((vals == NULL) || (vals[0] == NULL))
4518 DEBUG(8, ("\"description\" not found\n"));
4519 else if (!pull_utf8_talloc(mem_ctx,
4520 discard_const_p(char *, &result->description),
4521 vals[0], &converted_size))
4522 {
4523 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4524 strerror(errno)));
4525 }
4526
4527 ldap_value_free(vals);
4528
4529 if ((result->account_name == NULL) ||
4530 (result->fullname == NULL) ||
4531 (result->description == NULL)) {
4532 DEBUG(0, ("talloc failed\n"));
4533 return False;
4534 }
4535
4536 vals = ldap_get_values(ld, entry, "sambaSid");
4537 if ((vals == NULL) || (vals[0] == NULL)) {
4538 DEBUG(0, ("\"objectSid\" not found\n"));
4539 return False;
4540 }
4541
4542 if (!string_to_sid(&sid, vals[0])) {
4543 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4544 ldap_value_free(vals);
4545 return False;
4546 }
4547 ldap_value_free(vals);
4548
4549 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4550 DEBUG(0, ("sid %s does not belong to our domain\n",
4551 sid_string_dbg(&sid)));
4552 return False;
4553 }
4554
4555 return True;
4556 }
4557
4558
4559 static bool ldapsam_search_users(struct pdb_methods *methods,
4560 struct pdb_search *search,
4561 uint32_t acct_flags)
4562 {
4563 struct ldapsam_privates *ldap_state =
4564 (struct ldapsam_privates *)methods->private_data;
4565 struct ldap_search_state *state;
4566
4567 state = talloc(search, struct ldap_search_state);
4568 if (state == NULL) {
4569 DEBUG(0, ("talloc failed\n"));
4570 return False;
4571 }
4572
4573 state->connection = ldap_state->smbldap_state;
4574
4575 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4576 state->base = lp_ldap_user_suffix();
4577 else if ((acct_flags != 0) &&
4578 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4579 state->base = lp_ldap_machine_suffix();
4580 else
4581 state->base = lp_ldap_suffix();
4582
4583 state->acct_flags = acct_flags;
4584 state->base = talloc_strdup(search, state->base);
4585 state->scope = LDAP_SCOPE_SUBTREE;
4586 state->filter = get_ldap_filter(search, "*");
4587 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4588 "displayName", "description",
4589 "sambaAcctFlags", NULL);
4590 state->attrsonly = 0;
4591 state->pagedresults_cookie = NULL;
4592 state->entries = NULL;
4593 state->ldap2displayentry = ldapuser2displayentry;
4594
4595 if ((state->filter == NULL) || (state->attrs == NULL)) {
4596 DEBUG(0, ("talloc failed\n"));
4597 return False;
4598 }
4599
4600 search->private_data = state;
4601 search->next_entry = ldapsam_search_next_entry;
4602 search->search_end = ldapsam_search_end;
4603
4604 return ldapsam_search_firstpage(search);
4605 }
4606
4607 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4608 TALLOC_CTX *mem_ctx,
4609 LDAP *ld, LDAPMessage *entry,
4610 struct samr_displayentry *result)
4611 {
4612 char **vals;
4613 size_t converted_size;
4614 struct dom_sid sid;
4615 uint16_t group_type;
4616
4617 result->account_name = "";
4618 result->fullname = "";
4619 result->description = "";
4620
4621
4622 vals = ldap_get_values(ld, entry, "sambaGroupType");
4623 if ((vals == NULL) || (vals[0] == NULL)) {
4624 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4625 if (vals != NULL) {
4626 ldap_value_free(vals);
4627 }
4628 return False;
4629 }
4630
4631 group_type = atoi(vals[0]);
4632
4633 if ((state->group_type != 0) &&
4634 ((state->group_type != group_type))) {
4635 ldap_value_free(vals);
4636 return False;
4637 }
4638
4639 ldap_value_free(vals);
4640
4641 /* display name is the NT group name */
4642
4643 vals = ldap_get_values(ld, entry, "displayName");
4644 if ((vals == NULL) || (vals[0] == NULL)) {
4645 DEBUG(8, ("\"displayName\" not found\n"));
4646
4647 /* fallback to the 'cn' attribute */
4648 vals = ldap_get_values(ld, entry, "cn");
4649 if ((vals == NULL) || (vals[0] == NULL)) {
4650 DEBUG(5, ("\"cn\" not found\n"));
4651 return False;
4652 }
4653 if (!pull_utf8_talloc(mem_ctx,
4654 discard_const_p(char *,
4655 &result->account_name),
4656 vals[0], &converted_size))
4657 {
4658 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4659 "failed: %s", strerror(errno)));
4660 }
4661 }
4662 else if (!pull_utf8_talloc(mem_ctx,
4663 discard_const_p(char *,
4664 &result->account_name),
4665 vals[0], &converted_size))
4666 {
4667 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4668 strerror(errno)));
4669 }
4670
4671 ldap_value_free(vals);
4672
4673 vals = ldap_get_values(ld, entry, "description");
4674 if ((vals == NULL) || (vals[0] == NULL))
4675 DEBUG(8, ("\"description\" not found\n"));
4676 else if (!pull_utf8_talloc(mem_ctx,
4677 discard_const_p(char *, &result->description),
4678 vals[0], &converted_size))
4679 {
4680 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4681 strerror(errno)));
4682 }
4683 ldap_value_free(vals);
4684
4685 if ((result->account_name == NULL) ||
4686 (result->fullname == NULL) ||
4687 (result->description == NULL)) {
4688 DEBUG(0, ("talloc failed\n"));
4689 return False;
4690 }
4691
4692 vals = ldap_get_values(ld, entry, "sambaSid");
4693 if ((vals == NULL) || (vals[0] == NULL)) {
4694 DEBUG(0, ("\"objectSid\" not found\n"));
4695 if (vals != NULL) {
4696 ldap_value_free(vals);
4697 }
4698 return False;
4699 }
4700
4701 if (!string_to_sid(&sid, vals[0])) {
4702 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4703 return False;
4704 }
4705
4706 ldap_value_free(vals);
4707
4708 switch (group_type) {
4709 case SID_NAME_DOM_GRP:
4710 case SID_NAME_ALIAS:
4711
4712 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4713 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4714 {
4715 DEBUG(0, ("%s is not in our domain\n",
4716 sid_string_dbg(&sid)));
4717 return False;
4718 }
4719 break;
4720
4721 default:
4722 DEBUG(0,("unknown group type: %d\n", group_type));
4723 return False;
4724 }
4725
4726 result->acct_flags = 0;
4727
4728 return True;
4729 }
4730
4731 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4732 struct pdb_search *search,
4733 const struct dom_sid *sid,
4734 enum lsa_SidType type)
4735 {
4736 struct ldapsam_privates *ldap_state =
4737 (struct ldapsam_privates *)methods->private_data;
4738 struct ldap_search_state *state;
4739 fstring tmp;
4740
4741 state = talloc(search, struct ldap_search_state);
4742 if (state == NULL) {
4743 DEBUG(0, ("talloc failed\n"));
4744 return False;
4745 }
4746
4747 state->connection = ldap_state->smbldap_state;
4748
4749 state->base = talloc_strdup(search, lp_ldap_suffix());
4750 state->connection = ldap_state->smbldap_state;
4751 state->scope = LDAP_SCOPE_SUBTREE;
4752 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4753 "(sambaGroupType=%d)(sambaSID=%s*))",
4754 LDAP_OBJ_GROUPMAP,
4755 type, sid_to_fstring(tmp, sid));
4756 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4757 "displayName", "description",
4758 "sambaGroupType", NULL);
4759 state->attrsonly = 0;
4760 state->pagedresults_cookie = NULL;
4761 state->entries = NULL;
4762 state->group_type = type;
4763 state->ldap2displayentry = ldapgroup2displayentry;
4764
4765 if ((state->filter == NULL) || (state->attrs == NULL)) {
4766 DEBUG(0, ("talloc failed\n"));
4767 return False;
4768 }
4769
4770 search->private_data = state;
4771 search->next_entry = ldapsam_search_next_entry;
4772 search->search_end = ldapsam_search_end;
4773
4774 return ldapsam_search_firstpage(search);
4775 }
4776
4777 static bool ldapsam_search_groups(struct pdb_methods *methods,
4778 struct pdb_search *search)
4779 {
4780 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4781 }
4782
4783 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4784 struct pdb_search *search,
4785 const struct dom_sid *sid)
4786 {
4787 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4788 }
4789
4790 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4791 {
4792 return PDB_CAP_STORE_RIDS;
4793 }
4794
4795 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4796 uint32_t *rid)
4797 {
4798 struct smbldap_state *smbldap_state = priv->smbldap_state;
4799
4800 LDAPMessage *result = NULL;
4801 LDAPMessage *entry = NULL;
4802 LDAPMod **mods = NULL;
4803 NTSTATUS status;
4804 char *value;
4805 int rc;
4806 uint32_t nextRid = 0;
4807 const char *dn;
4808
4809 TALLOC_CTX *mem_ctx;
4810
4811 mem_ctx = talloc_new(NULL);
4812 if (mem_ctx == NULL) {
4813 DEBUG(0, ("talloc_new failed\n"));
4814 return NT_STATUS_NO_MEMORY;
4815 }
4816
4817 status = smbldap_search_domain_info(smbldap_state, &result,
4818 get_global_sam_name(), False);
4819 if (!NT_STATUS_IS_OK(status)) {
4820 DEBUG(3, ("Could not get domain info: %s\n",
4821 nt_errstr(status)));
4822 goto done;
4823 }
4824
4825 talloc_autofree_ldapmsg(mem_ctx, result);
4826
4827 entry = ldap_first_entry(priv2ld(priv), result);
4828 if (entry == NULL) {
4829 DEBUG(0, ("Could not get domain info entry\n"));
4830 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4831 goto done;
4832 }
4833
4834 /* Find the largest of the three attributes "sambaNextRid",
4835 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4836 concept of differentiating between user and group rids, and will
4837 use only "sambaNextRid" in the future. But for compatibility
4838 reasons I look if others have chosen different strategies -- VL */
4839
4840 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4841 "sambaNextRid", mem_ctx);
4842 if (value != NULL) {
4843 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4844 nextRid = MAX(nextRid, tmp);
4845 }
4846
4847 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4848 "sambaNextUserRid", mem_ctx);
4849 if (value != NULL) {
4850 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4851 nextRid = MAX(nextRid, tmp);
4852 }
4853
4854 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4855 "sambaNextGroupRid", mem_ctx);
4856 if (value != NULL) {
4857 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4858 nextRid = MAX(nextRid, tmp);
4859 }
4860
4861 if (nextRid == 0) {
4862 nextRid = BASE_RID-1;
4863 }
4864
4865 nextRid += 1;
4866
4867 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4868 talloc_asprintf(mem_ctx, "%d", nextRid));
4869 talloc_autofree_ldapmod(mem_ctx, mods);
4870
4871 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4872 status = NT_STATUS_NO_MEMORY;
4873 goto done;
4874 }
4875
4876 rc = smbldap_modify(smbldap_state, dn, mods);
4877
4878 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4879 * please retry" */
4880
4881 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4882
4883 done:
4884 if (NT_STATUS_IS_OK(status)) {
4885 *rid = nextRid;
4886 }
4887
4888 TALLOC_FREE(mem_ctx);
4889 return status;
4890 }
4891
4892 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4893 {
4894 int i;
4895
4896 for (i=0; i<10; i++) {
4897 NTSTATUS result = ldapsam_get_new_rid(
4898 (struct ldapsam_privates *)methods->private_data, rid);
4899 if (NT_STATUS_IS_OK(result)) {
4900 return result;
4901 }
4902
4903 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4904 return result;
4905 }
4906
4907 /* The ldap update failed (maybe a race condition), retry */
4908 }
4909
4910 /* Tried 10 times, fail. */
4911 return NT_STATUS_ACCESS_DENIED;
4912 }
4913
4914 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4915 {
4916 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4917 return NT_STATUS_IS_OK(result) ? True : False;
4918 }
4919
4920 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4921 const struct dom_sid *sid,
4922 struct unixid *id)
4923 {
4924 struct ldapsam_privates *priv =
4925 (struct ldapsam_privates *)methods->private_data;
4926 char *filter;
4927 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4928 NULL };
4929 LDAPMessage *result = NULL;
4930 LDAPMessage *entry = NULL;
4931 bool ret = False;
4932 char *value;
4933 int rc;
4934
4935 TALLOC_CTX *mem_ctx;
4936
4937 mem_ctx = talloc_new(NULL);
4938 if (mem_ctx == NULL) {
4939 DEBUG(0, ("talloc_new failed\n"));
4940 return False;
4941 }
4942
4943 filter = talloc_asprintf(mem_ctx,
4944 "(&(sambaSid=%s)"
4945 "(|(objectClass=%s)(objectClass=%s)))",
4946 sid_string_talloc(mem_ctx, sid),
4947 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4948 if (filter == NULL) {
4949 DEBUG(5, ("talloc_asprintf failed\n"));
4950 goto done;
4951 }
4952
4953 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4954 attrs, &result);
4955 if (rc != LDAP_SUCCESS) {
4956 goto done;
4957 }
4958 talloc_autofree_ldapmsg(mem_ctx, result);
4959
4960 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4961 DEBUG(10, ("Got %d entries, expected one\n",
4962 ldap_count_entries(priv2ld(priv), result)));
4963 goto done;
4964 }
4965
4966 entry = ldap_first_entry(priv2ld(priv), result);
4967
4968 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4969 "sambaGroupType", mem_ctx);
4970
4971 if (value != NULL) {
4972 const char *gid_str;
4973 /* It's a group */
4974
4975 gid_str = smbldap_talloc_single_attribute(
4976 priv2ld(priv), entry, "gidNumber", mem_ctx);
4977 if (gid_str == NULL) {
4978 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4979 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4980 entry)));
4981 goto done;
4982 }
4983
4984 id->id = strtoul(gid_str, NULL, 10);
4985 id->type = ID_TYPE_GID;
4986 idmap_cache_set_sid2unixid(sid, id);
4987 ret = True;
4988 goto done;
4989 }
4990
4991 /* It must be a user */
4992
4993 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4994 "uidNumber", mem_ctx);
4995 if (value == NULL) {
4996 DEBUG(1, ("Could not find uidNumber in %s\n",
4997 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4998 goto done;
4999 }
5000
5001 id->id = strtoul(value, NULL, 10);
5002 id->type = ID_TYPE_UID;
5003 idmap_cache_set_sid2unixid(sid, id);
5004
5005 ret = True;
5006 done:
5007 TALLOC_FREE(mem_ctx);
5008 return ret;
5009 }
5010
5011 /**
5012 * Find the SID for a uid.
5013 * This is shortcut is only used if ldapsam:trusted is set to true.
5014 */
5015 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5016 struct dom_sid *sid)
5017 {
5018 struct ldapsam_privates *priv =
5019 (struct ldapsam_privates *)methods->private_data;
5020 char *filter;
5021 const char *attrs[] = { "sambaSID", NULL };
5022 LDAPMessage *result = NULL;
5023 LDAPMessage *entry = NULL;
5024 bool ret = false;
5025 char *user_sid_string;
5026 struct dom_sid user_sid;
5027 int rc;
5028 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5029 struct unixid id;
5030
5031 filter = talloc_asprintf(tmp_ctx,
5032 "(&(uidNumber=%u)"
5033 "(objectClass=%s)"
5034 "(objectClass=%s))",
5035 (unsigned int)uid,
5036 LDAP_OBJ_POSIXACCOUNT,
5037 LDAP_OBJ_SAMBASAMACCOUNT);
5038 if (filter == NULL) {
5039 DEBUG(3, ("talloc_asprintf failed\n"));
5040 goto done;
5041 }
5042
5043 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5044 if (rc != LDAP_SUCCESS) {
5045 goto done;
5046 }
5047 talloc_autofree_ldapmsg(tmp_ctx, result);
5048
5049 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5050 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5051 ldap_count_entries(priv2ld(priv), result),
5052 (unsigned int)uid));
5053 goto done;
5054 }
5055
5056 entry = ldap_first_entry(priv2ld(priv), result);
5057
5058 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5059 "sambaSID", tmp_ctx);
5060 if (user_sid_string == NULL) {
5061 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5062 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5063 goto done;
5064 }
5065
5066 if (!string_to_sid(&user_sid, user_sid_string)) {
5067 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5068 user_sid_string));
5069 goto done;
5070 }
5071
5072 sid_copy(sid, &user_sid);
5073
5074 id.id = uid;
5075 id.type = ID_TYPE_UID;
5076
5077 idmap_cache_set_sid2unixid(sid, &id);
5078
5079 ret = true;
5080
5081 done:
5082 TALLOC_FREE(tmp_ctx);
5083 return ret;
5084 }
5085
5086 /**
5087 * Find the SID for a gid.
5088 * This is shortcut is only used if ldapsam:trusted is set to true.
5089 */
5090 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5091 struct dom_sid *sid)
5092 {
5093 struct ldapsam_privates *priv =
5094 (struct ldapsam_privates *)methods->private_data;
5095 char *filter;
5096 const char *attrs[] = { "sambaSID", NULL };
5097 LDAPMessage *result = NULL;
5098 LDAPMessage *entry = NULL;
5099 bool ret = false;
5100 char *group_sid_string;
5101 struct dom_sid group_sid;
5102 int rc;
5103 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5104 struct unixid id;
5105
5106 filter = talloc_asprintf(tmp_ctx,
5107 "(&(gidNumber=%u)"
5108 "(objectClass=%s))",
5109 (unsigned int)gid,
5110 LDAP_OBJ_GROUPMAP);
5111 if (filter == NULL) {
5112 DEBUG(3, ("talloc_asprintf failed\n"));
5113 goto done;
5114 }
5115
5116 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5117 if (rc != LDAP_SUCCESS) {
5118 goto done;
5119 }
5120 talloc_autofree_ldapmsg(tmp_ctx, result);
5121
5122 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5123 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5124 ldap_count_entries(priv2ld(priv), result),
5125 (unsigned int)gid));
5126 goto done;
5127 }
5128
5129 entry = ldap_first_entry(priv2ld(priv), result);
5130
5131 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5132 "sambaSID", tmp_ctx);
5133 if (group_sid_string == NULL) {
5134 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5135 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5136 goto done;
5137 }
5138
5139 if (!string_to_sid(&group_sid, group_sid_string)) {
5140 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5141 group_sid_string));
5142 goto done;
5143 }
5144
5145 sid_copy(sid, &group_sid);
5146
5147 id.id = gid;
5148 id.type = ID_TYPE_GID;
5149
5150 idmap_cache_set_sid2unixid(sid, &id);
5151
5152 ret = true;
5153
5154 done:
5155 TALLOC_FREE(tmp_ctx);
5156 return ret;
5157 }
5158
5159
5160 /*
5161 * The following functions are called only if
5162 * ldapsam:trusted and ldapsam:editposix are
5163 * set to true
5164 */
5165
5166 /*
5167 * ldapsam_create_user creates a new
5168 * posixAccount and sambaSamAccount object
5169 * in the ldap users subtree
5170 *
5171 * The uid is allocated by winbindd.
5172 */
5173
5174 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5175 TALLOC_CTX *tmp_ctx, const char *name,
5176 uint32_t acb_info, uint32_t *rid)
5177 {
5178 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5179 LDAPMessage *entry = NULL;
5180 LDAPMessage *result = NULL;
5181 uint32_t num_result;
5182 bool is_machine = False;
5183 bool add_posix = False;
5184 LDAPMod **mods = NULL;
5185 struct samu *user;
5186 char *filter;
5187 char *username;
5188 char *homedir;
5189 char *gidstr;
5190 char *uidstr;
5191 char *shell;
5192 const char *dn = NULL;
5193 struct dom_sid group_sid;
5194 struct dom_sid user_sid;
5195 gid_t gid = -1;
5196 uid_t uid = -1;
5197 NTSTATUS ret;
5198 int rc;
5199
5200 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5201 acb_info & ACB_WSTRUST ||
5202 acb_info & ACB_SVRTRUST ||
5203 acb_info & ACB_DOMTRUST) {
5204 is_machine = True;
5205 }
5206
5207 username = escape_ldap_string(talloc_tos(), name);
5208 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5209 username, LDAP_OBJ_POSIXACCOUNT);
5210 TALLOC_FREE(username);
5211
5212 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5213 if (rc != LDAP_SUCCESS) {
5214 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5215 return NT_STATUS_ACCESS_DENIED;
5216 }
5217 talloc_autofree_ldapmsg(tmp_ctx, result);
5218
5219 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5220
5221 if (num_result > 1) {
5222 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5223 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5224 }
5225
5226 if (num_result == 1) {
5227 char *tmp;
5228 /* check if it is just a posix account.
5229 * or if there is a sid attached to this entry
5230 */
5231
5232 entry = ldap_first_entry(priv2ld(ldap_state), result);
5233 if (!entry) {
5234 return NT_STATUS_UNSUCCESSFUL;
5235 }
5236
5237 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5238 if (tmp) {
5239 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5240 return NT_STATUS_USER_EXISTS;
5241 }
5242
5243 /* it is just a posix account, retrieve the dn for later use */
5244 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5245 if (!dn) {
5246 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5247 return NT_STATUS_NO_MEMORY;
5248 }
5249 }
5250
5251 if (num_result == 0) {
5252 add_posix = True;
5253 }
5254
5255 /* Create the basic samu structure and generate the mods for the ldap commit */
5256 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5257 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5258 return ret;
5259 }
5260
5261 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5262
5263 user = samu_new(tmp_ctx);
5264 if (!user) {
5265 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5266 return NT_STATUS_NO_MEMORY;
5267 }
5268
5269 if (!pdb_set_username(user, name, PDB_SET)) {
5270 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5271 return NT_STATUS_UNSUCCESSFUL;
5272 }
5273 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5274 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5275 return NT_STATUS_UNSUCCESSFUL;
5276 }
5277 if (is_machine) {
5278 if (acb_info & ACB_NORMAL) {
5279 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5280 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5281 return NT_STATUS_UNSUCCESSFUL;
5282 }
5283 } else {
5284 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5285 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5286 return NT_STATUS_UNSUCCESSFUL;
5287 }
5288 }
5289 } else {
5290 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5291 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5292 return NT_STATUS_UNSUCCESSFUL;
5293 }
5294 }
5295
5296 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5297 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5298 return NT_STATUS_UNSUCCESSFUL;
5299 }
5300
5301 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5302 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5303 return NT_STATUS_UNSUCCESSFUL;
5304 }
5305
5306 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5307 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5308 }
5309 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5310
5311 if (add_posix) {
5312 char *escape_name;
5313
5314 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5315
5316 /* retrieve the Domain Users group gid */
5317 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5318 !sid_to_gid(&group_sid, &gid)) {
5319 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5320 return NT_STATUS_INVALID_PRIMARY_GROUP;
5321 }
5322
5323 /* lets allocate a new userid for this user */
5324 if (!winbind_allocate_uid(&uid)) {
5325 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5326 return NT_STATUS_UNSUCCESSFUL;
5327 }
5328
5329
5330 if (is_machine) {
5331 /* TODO: choose a more appropriate default for machines */
5332 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5333 shell = talloc_strdup(tmp_ctx, "/bin/false");
5334 } else {
5335 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5336 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5337 }
5338 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5339 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5340
5341 escape_name = escape_rdn_val_string_alloc(name);
5342 if (!escape_name) {
5343 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5344 return NT_STATUS_NO_MEMORY;
5345 }
5346
5347 if (is_machine) {
5348 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5349 } else {
5350 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5351 }
5352
5353 SAFE_FREE(escape_name);
5354
5355 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5356 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5357 return NT_STATUS_NO_MEMORY;
5358 }
5359
5360 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5361 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5362 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5363 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5364 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5365 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5366 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5367 }
5368
5369 talloc_autofree_ldapmod(tmp_ctx, mods);
5370
5371 if (add_posix) {
5372 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5373 } else {
5374 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5375 }
5376
5377 if (rc != LDAP_SUCCESS) {
5378 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5379 return NT_STATUS_UNSUCCESSFUL;
5380 }
5381
5382 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5383
5384 flush_pwnam_cache();
5385
5386 return NT_STATUS_OK;
5387 }
5388
5389 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5390 {
5391 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5392 LDAPMessage *result = NULL;
5393 LDAPMessage *entry = NULL;
5394 int num_result;
5395 const char *dn;
5396 char *filter;
5397 int rc;
5398
5399 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5400
5401 filter = talloc_asprintf(tmp_ctx,
5402 "(&(uid=%s)"
5403 "(objectClass=%s)"
5404 "(objectClass=%s))",
5405 pdb_get_username(sam_acct),
5406 LDAP_OBJ_POSIXACCOUNT,
5407 LDAP_OBJ_SAMBASAMACCOUNT);
5408 if (filter == NULL) {
5409 return NT_STATUS_NO_MEMORY;
5410 }
5411
5412 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5413 if (rc != LDAP_SUCCESS) {
5414 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5415 return NT_STATUS_UNSUCCESSFUL;
5416 }
5417 talloc_autofree_ldapmsg(tmp_ctx, result);
5418
5419 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5420
5421 if (num_result == 0) {
5422 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5423 return NT_STATUS_NO_SUCH_USER;
5424 }
5425
5426 if (num_result > 1) {
5427 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5428 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5429 }
5430
5431 entry = ldap_first_entry(priv2ld(ldap_state), result);
5432 if (!entry) {
5433 return NT_STATUS_UNSUCCESSFUL;
5434 }
5435
5436 /* it is just a posix account, retrieve the dn for later use */
5437 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5438 if (!dn) {
5439 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5440 return NT_STATUS_NO_MEMORY;
5441 }
5442
5443 /* try to remove memberships first */
5444 {
5445 NTSTATUS status;
5446 struct dom_sid *sids = NULL;
5447 gid_t *gids = NULL;
5448 uint32_t num_groups = 0;
5449 int i;
5450 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5451
5452 status = ldapsam_enum_group_memberships(my_methods,
5453 tmp_ctx,
5454 sam_acct,
5455 &sids,
5456 &gids,
5457 &num_groups);
5458 if (!NT_STATUS_IS_OK(status)) {
5459 goto delete_dn;
5460 }
5461
5462 for (i=0; i < num_groups; i++) {
5463
5464 uint32_t group_rid;
5465
5466 sid_peek_rid(&sids[i], &group_rid);
5467
5468 ldapsam_del_groupmem(my_methods,
5469 tmp_ctx,
5470 group_rid,
5471 user_rid);
5472 }
5473 }
5474
5475 delete_dn:
5476
5477 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5478 if (rc != LDAP_SUCCESS) {
5479 return NT_STATUS_UNSUCCESSFUL;
5480 }
5481
5482 flush_pwnam_cache();
5483
5484 return NT_STATUS_OK;
5485 }
5486
5487 /*
5488 * ldapsam_create_group creates a new
5489 * posixGroup and sambaGroupMapping object
5490 * in the ldap groups subtree
5491 *
5492 * The gid is allocated by winbindd.
5493 */
5494
5495 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5496 TALLOC_CTX *tmp_ctx,
5497 const char *name,
5498 uint32_t *rid)
5499 {
5500 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5501 NTSTATUS ret;
5502 LDAPMessage *entry = NULL;
5503 LDAPMessage *result = NULL;
5504 uint32_t num_result;
5505 bool is_new_entry = False;
5506 LDAPMod **mods = NULL;
5507 char *filter;
5508 char *groupsidstr;
5509 char *groupname;
5510 char *grouptype;
5511 char *gidstr;
5512 const char *dn = NULL;
5513 struct dom_sid group_sid;
5514 gid_t gid = -1;
5515 int rc;
5516
5517 groupname = escape_ldap_string(talloc_tos(), name);
5518 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5519 groupname, LDAP_OBJ_POSIXGROUP);
5520 TALLOC_FREE(groupname);
5521
5522 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5523 if (rc != LDAP_SUCCESS) {
5524 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5525 return NT_STATUS_UNSUCCESSFUL;
5526 }
5527 talloc_autofree_ldapmsg(tmp_ctx, result);
5528
5529 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5530
5531 if (num_result > 1) {
5532 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5533 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5534 }
5535
5536 if (num_result == 1) {
5537 char *tmp;
5538 /* check if it is just a posix group.
5539 * or if there is a sid attached to this entry
5540 */
5541
5542 entry = ldap_first_entry(priv2ld(ldap_state), result);
5543 if (!entry) {
5544 return NT_STATUS_UNSUCCESSFUL;
5545 }
5546
5547 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5548 if (tmp) {
5549 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5550 return NT_STATUS_GROUP_EXISTS;
5551 }
5552
5553 /* it is just a posix group, retrieve the gid and the dn for later use */
5554 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5555 if (!tmp) {
5556 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5557 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5558 }
5559
5560 gid = strtoul(tmp, NULL, 10);
5561
5562 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5563 if (!dn) {
5564 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5565 return NT_STATUS_NO_MEMORY;
5566 }
5567 }
5568
5569 if (num_result == 0) {
5570 is_new_entry = true;
5571 }
5572
5573 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5574 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5575 return ret;
5576 }
5577
5578 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5579
5580 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5581 &group_sid));
5582 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5583
5584 if (!groupsidstr || !grouptype) {
5585 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5586 return NT_STATUS_NO_MEMORY;
5587 }
5588
5589 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5590 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5591 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5592 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5593
5594 if (is_new_entry) {
5595 char *escape_name;
5596
5597 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5598
5599 /* lets allocate a new groupid for this group */
5600 if (!winbind_allocate_gid(&gid)) {
5601 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5602 return NT_STATUS_UNSUCCESSFUL;
5603 }
5604
5605 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5606
5607 escape_name = escape_rdn_val_string_alloc(name);
5608 if (!escape_name) {
5609 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5610 return NT_STATUS_NO_MEMORY;
5611 }
5612
5613 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5614
5615 SAFE_FREE(escape_name);
5616
5617 if (!gidstr || !dn) {
5618 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5619 return NT_STATUS_NO_MEMORY;
5620 }
5621
5622 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5623 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5624 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5625 }
5626
5627 talloc_autofree_ldapmod(tmp_ctx, mods);
5628
5629 if (is_new_entry) {
5630 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5631 #if 0
5632 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5633 /* This call may fail with rfc2307bis schema */
5634 /* Retry adding a structural class */
5635 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5636 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5637 }
5638 #endif
5639 } else {
5640 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5641 }
5642
5643 if (rc != LDAP_SUCCESS) {
5644 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5645 return NT_STATUS_UNSUCCESSFUL;
5646 }
5647
5648 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5649
5650 return NT_STATUS_OK;
5651 }
5652
5653 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5654 {
5655 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5656 LDAPMessage *result = NULL;
5657 LDAPMessage *entry = NULL;
5658 int num_result;
5659 const char *dn;
5660 char *gidstr;
5661 char *filter;
5662 struct dom_sid group_sid;
5663 int rc;
5664
5665 /* get the group sid */
5666 sid_compose(&group_sid, get_global_sam_sid(), rid);
5667
5668 filter = talloc_asprintf(tmp_ctx,
5669 "(&(sambaSID=%s)"
5670 "(objectClass=%s)"
5671 "(objectClass=%s))",
5672 sid_string_talloc(tmp_ctx, &group_sid),
5673 LDAP_OBJ_POSIXGROUP,
5674 LDAP_OBJ_GROUPMAP);
5675 if (filter == NULL) {
5676 return NT_STATUS_NO_MEMORY;
5677 }
5678
5679 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5680 if (rc != LDAP_SUCCESS) {
5681 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5682 return NT_STATUS_UNSUCCESSFUL;
5683 }
5684 talloc_autofree_ldapmsg(tmp_ctx, result);
5685
5686 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5687
5688 if (num_result == 0) {
5689 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5690 return NT_STATUS_NO_SUCH_GROUP;
5691 }
5692
5693 if (num_result > 1) {
5694 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5695 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5696 }
5697
5698 entry = ldap_first_entry(priv2ld(ldap_state), result);
5699 if (!entry) {
5700 return NT_STATUS_UNSUCCESSFUL;
5701 }
5702
5703 /* here it is, retrieve the dn for later use */
5704 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5705 if (!dn) {
5706 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5707 return NT_STATUS_NO_MEMORY;
5708 }
5709
5710 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5711 if (!gidstr) {
5712 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5713 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5714 }
5715
5716 /* check no user have this group marked as primary group */
5717 filter = talloc_asprintf(tmp_ctx,
5718 "(&(gidNumber=%s)"
5719 "(objectClass=%s)"
5720 "(objectClass=%s))",
5721 gidstr,
5722 LDAP_OBJ_POSIXACCOUNT,
5723 LDAP_OBJ_SAMBASAMACCOUNT);
5724
5725 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5726 if (rc != LDAP_SUCCESS) {
5727 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5728 return NT_STATUS_UNSUCCESSFUL;
5729 }
5730 talloc_autofree_ldapmsg(tmp_ctx, result);
5731
5732 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5733
5734 if (num_result != 0) {
5735 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5736 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5737 }
5738
5739 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5740 if (rc != LDAP_SUCCESS) {
5741 return NT_STATUS_UNSUCCESSFUL;
5742 }
5743
5744 return NT_STATUS_OK;
5745 }
5746
5747 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5748 TALLOC_CTX *tmp_ctx,
5749 uint32_t group_rid,
5750 uint32_t member_rid,
5751 int modop)
5752 {
5753 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5754 LDAPMessage *entry = NULL;
5755 LDAPMessage *result = NULL;
5756 uint32_t num_result;
5757 LDAPMod **mods = NULL;
5758 char *filter;
5759 char *uidstr;
5760 const char *dn = NULL;
5761 struct dom_sid group_sid;
5762 struct dom_sid member_sid;
5763 int rc;
5764
5765 switch (modop) {
5766 case LDAP_MOD_ADD:
5767 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5768 break;
5769 case LDAP_MOD_DELETE:
5770 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5771 break;
5772 default:
5773 return NT_STATUS_UNSUCCESSFUL;
5774 }
5775
5776 /* get member sid */
5777 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5778
5779 /* get the group sid */
5780 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5781
5782 filter = talloc_asprintf(tmp_ctx,
5783 "(&(sambaSID=%s)"
5784 "(objectClass=%s)"
5785 "(objectClass=%s))",
5786 sid_string_talloc(tmp_ctx, &member_sid),
5787 LDAP_OBJ_POSIXACCOUNT,
5788 LDAP_OBJ_SAMBASAMACCOUNT);
5789 if (filter == NULL) {
5790 return NT_STATUS_NO_MEMORY;
5791 }
5792
5793 /* get the member uid */
5794 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5795 if (rc != LDAP_SUCCESS) {
5796 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5797 return NT_STATUS_UNSUCCESSFUL;
5798 }
5799 talloc_autofree_ldapmsg(tmp_ctx, result);
5800
5801 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5802
5803 if (num_result == 0) {
5804 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5805 return NT_STATUS_NO_SUCH_MEMBER;
5806 }
5807
5808 if (num_result > 1) {
5809 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5810 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5811 }
5812
5813 entry = ldap_first_entry(priv2ld(ldap_state), result);
5814 if (!entry) {
5815 return NT_STATUS_UNSUCCESSFUL;
5816 }
5817
5818 if (modop == LDAP_MOD_DELETE) {
5819 /* check if we are trying to remove the member from his primary group */
5820 char *gidstr;
5821 gid_t user_gid, group_gid;
5822
5823 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5824 if (!gidstr) {
5825 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5826 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5827 }
5828
5829 user_gid = strtoul(gidstr, NULL, 10);
5830
5831 if (!sid_to_gid(&group_sid, &group_gid)) {
5832 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5833 return NT_STATUS_UNSUCCESSFUL;
5834 }
5835
5836 if (user_gid == group_gid) {
5837 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5838 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5839 }
5840 }
5841
5842 /* here it is, retrieve the uid for later use */
5843 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5844 if (!uidstr) {
5845 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5846 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5847 }
5848
5849 filter = talloc_asprintf(tmp_ctx,
5850 "(&(sambaSID=%s)"
5851 "(objectClass=%s)"
5852 "(objectClass=%s))",
5853 sid_string_talloc(tmp_ctx, &group_sid),
5854 LDAP_OBJ_POSIXGROUP,
5855 LDAP_OBJ_GROUPMAP);
5856
5857 /* get the group */
5858 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5859 if (rc != LDAP_SUCCESS) {
5860 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5861 return NT_STATUS_UNSUCCESSFUL;
5862 }
5863 talloc_autofree_ldapmsg(tmp_ctx, result);
5864
5865 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5866
5867 if (num_result == 0) {
5868 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5869 return NT_STATUS_NO_SUCH_GROUP;
5870 }
5871
5872 if (num_result > 1) {
5873 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5874 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5875 }
5876
5877 entry = ldap_first_entry(priv2ld(ldap_state), result);
5878 if (!entry) {
5879 return NT_STATUS_UNSUCCESSFUL;
5880 }
5881
5882 /* here it is, retrieve the dn for later use */
5883 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5884 if (!dn) {
5885 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5886 return NT_STATUS_NO_MEMORY;
5887 }
5888
5889 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5890
5891 talloc_autofree_ldapmod(tmp_ctx, mods);
5892
5893 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5894 if (rc != LDAP_SUCCESS) {
5895 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5896 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5897 return NT_STATUS_MEMBER_IN_GROUP;
5898 }
5899 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5900 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5901 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5902 }
5903 return NT_STATUS_UNSUCCESSFUL;
5904 }
5905
5906 return NT_STATUS_OK;
5907 }
5908
5909 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5910 TALLOC_CTX *tmp_ctx,
5911 uint32_t group_rid,
5912 uint32_t member_rid)
5913 {
5914 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5915 }
5916 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5917 TALLOC_CTX *tmp_ctx,
5918 uint32_t group_rid,
5919 uint32_t member_rid)
5920 {
5921 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5922 }
5923
5924 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5925 TALLOC_CTX *mem_ctx,
5926 struct samu *sampass)
5927 {
5928 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5929 LDAPMessage *entry = NULL;
5930 LDAPMessage *result = NULL;
5931 uint32_t num_result;
5932 LDAPMod **mods = NULL;
5933 char *filter;
5934 char *escape_username;
5935 char *gidstr;
5936 const char *dn = NULL;
5937 gid_t gid;
5938 int rc;
5939
5940 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5941
5942 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5943 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5944 return NT_STATUS_UNSUCCESSFUL;
5945 }
5946 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5947 if (!gidstr) {
5948 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5949 return NT_STATUS_NO_MEMORY;
5950 }
5951
5952 escape_username = escape_ldap_string(talloc_tos(),
5953 pdb_get_username(sampass));
5954 if (escape_username== NULL) {
5955 return NT_STATUS_NO_MEMORY;
5956 }
5957
5958 filter = talloc_asprintf(mem_ctx,
5959 "(&(uid=%s)"
5960 "(objectClass=%s)"
5961 "(objectClass=%s))",
5962 escape_username,
5963 LDAP_OBJ_POSIXACCOUNT,
5964 LDAP_OBJ_SAMBASAMACCOUNT);
5965
5966 TALLOC_FREE(escape_username);
5967
5968 if (filter == NULL) {
5969 return NT_STATUS_NO_MEMORY;
5970 }
5971
5972 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5973 if (rc != LDAP_SUCCESS) {
5974 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5975 return NT_STATUS_UNSUCCESSFUL;
5976 }
5977 talloc_autofree_ldapmsg(mem_ctx, result);
5978
5979 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5980
5981 if (num_result == 0) {
5982 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5983 return NT_STATUS_NO_SUCH_USER;
5984 }
5985
5986 if (num_result > 1) {
5987 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5988 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5989 }
5990
5991 entry = ldap_first_entry(priv2ld(ldap_state), result);
5992 if (!entry) {
5993 return NT_STATUS_UNSUCCESSFUL;
5994 }
5995
5996 /* retrieve the dn for later use */
5997 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5998 if (!dn) {
5999 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6000 return NT_STATUS_NO_MEMORY;
6001 }
6002
6003 /* remove the old one, and add the new one, this way we do not risk races */
6004 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6005
6006 if (mods == NULL) {
6007 return NT_STATUS_OK;
6008 }
6009
6010 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6011
6012 if (rc != LDAP_SUCCESS) {
6013 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6014 pdb_get_username(sampass), gidstr));
6015 return NT_STATUS_UNSUCCESSFUL;
6016 }
6017
6018 flush_pwnam_cache();
6019
6020 return NT_STATUS_OK;
6021 }
6022
6023
6024 /**********************************************************************
6025 trusted domains functions
6026 *********************************************************************/
6027
6028 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6029 const char *domain)
6030 {
6031 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6032 ldap_state->domain_dn);
6033 }
6034
6035 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6036 TALLOC_CTX *mem_ctx,
6037 const char *domain, LDAPMessage **entry)
6038 {
6039 int rc;
6040 char *filter;
6041 int scope = LDAP_SCOPE_SUBTREE;
6042 const char **attrs = NULL; /* NULL: get all attrs */
6043 int attrsonly = 0; /* 0: return values too */
6044 LDAPMessage *result = NULL;
6045 char *trusted_dn;
6046 uint32_t num_result;
6047
6048 filter = talloc_asprintf(talloc_tos(),
6049 "(&(objectClass=%s)(sambaDomainName=%s))",
6050 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6051
6052 trusted_dn = trusteddom_dn(ldap_state, domain);
6053 if (trusted_dn == NULL) {
6054 return False;
6055 }
6056 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6057 filter, attrs, attrsonly, &result);
6058
6059 if (result != NULL) {
6060 talloc_autofree_ldapmsg(mem_ctx, result);
6061 }
6062
6063 if (rc == LDAP_NO_SUCH_OBJECT) {
6064 *entry = NULL;
6065 return True;
6066 }
6067
6068 if (rc != LDAP_SUCCESS) {
6069 return False;
6070 }
6071
6072 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6073
6074 if (num_result > 1) {
6075 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6076 "%s object for domain '%s'?!\n",
6077 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6078 return False;
6079 }
6080
6081 if (num_result == 0) {
6082 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6083 "%s object for domain %s.\n",
6084 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6085 *entry = NULL;
6086 } else {
6087 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6088 }
6089
6090 return True;
6091 }
6092
6093 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6094 const char *domain,
6095 char** pwd,
6096 struct dom_sid *sid,
6097 time_t *pass_last_set_time)
6098 {
6099 struct ldapsam_privates *ldap_state =
6100 (struct ldapsam_privates *)methods->private_data;
6101 LDAPMessage *entry = NULL;
6102
6103 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6104
6105 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6106 (entry == NULL))
6107 {
6108 return False;
6109 }
6110
6111 /* password */
6112 if (pwd != NULL) {
6113 char *pwd_str;
6114 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6115 entry, "sambaClearTextPassword", talloc_tos());
6116 if (pwd_str == NULL) {
6117 return False;
6118 }
6119 /* trusteddom_pw routines do not use talloc yet... */
6120 *pwd = SMB_STRDUP(pwd_str);
6121 if (*pwd == NULL) {
6122 return False;
6123 }
6124 }
6125
6126 /* last change time */
6127 if (pass_last_set_time != NULL) {
6128 char *time_str;
6129 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6130 entry, "sambaPwdLastSet", talloc_tos());
6131 if (time_str == NULL) {
6132 return False;
6133 }
6134 *pass_last_set_time = (time_t)atol(time_str);
6135 }
6136
6137 /* domain sid */
6138 if (sid != NULL) {
6139 char *sid_str;
6140 struct dom_sid dom_sid;
6141 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6142 entry, "sambaSID",
6143 talloc_tos());
6144 if (sid_str == NULL) {
6145 return False;
6146 }
6147 if (!string_to_sid(&dom_sid, sid_str)) {
6148 return False;
6149 }
6150 sid_copy(sid, &dom_sid);
6151 }
6152
6153 return True;
6154 }
6155
6156 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6157 const char* domain,
6158 const char* pwd,
6159 const struct dom_sid *sid)
6160 {
6161 struct ldapsam_privates *ldap_state =
6162 (struct ldapsam_privates *)methods->private_data;
6163 LDAPMessage *entry = NULL;
6164 LDAPMod **mods = NULL;
6165 char *prev_pwd = NULL;
6166 char *trusted_dn = NULL;
6167 int rc;
6168
6169 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6170
6171 /*
6172 * get the current entry (if there is one) in order to put the
6173 * current password into the previous password attribute
6174 */
6175 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6176 return False;
6177 }
6178
6179 mods = NULL;
6180 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6181 LDAP_OBJ_TRUSTDOM_PASSWORD);
6182 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6183 domain);
6184 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6185 sid_string_tos(sid));
6186 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6187 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6188 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6189 "sambaClearTextPassword", pwd);
6190
6191 if (entry != NULL) {
6192 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6193 entry, "sambaClearTextPassword", talloc_tos());
6194 if (prev_pwd != NULL) {
6195 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6196 "sambaPreviousClearTextPassword",
6197 prev_pwd);
6198 }
6199 }
6200
6201 talloc_autofree_ldapmod(talloc_tos(), mods);
6202
6203 trusted_dn = trusteddom_dn(ldap_state, domain);
6204 if (trusted_dn == NULL) {
6205 return False;
6206 }
6207 if (entry == NULL) {
6208 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6209 } else {
6210 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6211 }
6212
6213 if (rc != LDAP_SUCCESS) {
6214 DEBUG(1, ("error writing trusted domain password!\n"));
6215 return False;
6216 }
6217
6218 return True;
6219 }
6220
6221 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6222 const char *domain)
6223 {
6224 int rc;
6225 struct ldapsam_privates *ldap_state =
6226 (struct ldapsam_privates *)methods->private_data;
6227 LDAPMessage *entry = NULL;
6228 const char *trusted_dn;
6229
6230 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6231 return False;
6232 }
6233
6234 if (entry == NULL) {
6235 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6236 "%s\n", domain));
6237 return True;
6238 }
6239
6240 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6241 entry);
6242 if (trusted_dn == NULL) {
6243 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6244 return False;
6245 }
6246
6247 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6248 if (rc != LDAP_SUCCESS) {
6249 return False;
6250 }
6251
6252 return True;
6253 }
6254
6255 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6256 TALLOC_CTX *mem_ctx,
6257 uint32_t *num_domains,
6258 struct trustdom_info ***domains)
6259 {
6260 int rc;
6261 struct ldapsam_privates *ldap_state =
6262 (struct ldapsam_privates *)methods->private_data;
6263 char *filter;
6264 int scope = LDAP_SCOPE_SUBTREE;
6265 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6266 int attrsonly = 0; /* 0: return values too */
6267 LDAPMessage *result = NULL;
6268 LDAPMessage *entry = NULL;
6269
6270 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6271 LDAP_OBJ_TRUSTDOM_PASSWORD);
6272
6273 rc = smbldap_search(ldap_state->smbldap_state,
6274 ldap_state->domain_dn,
6275 scope,
6276 filter,
6277 attrs,
6278 attrsonly,
6279 &result);
6280
6281 if (result != NULL) {
6282 talloc_autofree_ldapmsg(mem_ctx, result);
6283 }
6284
6285 if (rc != LDAP_SUCCESS) {
6286 return NT_STATUS_UNSUCCESSFUL;
6287 }
6288
6289 *num_domains = 0;
6290 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6291 DEBUG(1, ("talloc failed\n"));
6292 return NT_STATUS_NO_MEMORY;
6293 }
6294
6295 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6296 entry != NULL;
6297 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6298 {
6299 char *dom_name, *dom_sid_str;
6300 struct trustdom_info *dom_info;
6301
6302 dom_info = talloc(*domains, struct trustdom_info);
6303 if (dom_info == NULL) {
6304 DEBUG(1, ("talloc failed\n"));
6305 return NT_STATUS_NO_MEMORY;
6306 }
6307
6308 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6309 entry,
6310 "sambaDomainName",
6311 talloc_tos());
6312 if (dom_name == NULL) {
6313 DEBUG(1, ("talloc failed\n"));
6314 return NT_STATUS_NO_MEMORY;
6315 }
6316 dom_info->name = dom_name;
6317
6318 dom_sid_str = smbldap_talloc_single_attribute(
6319 priv2ld(ldap_state), entry, "sambaSID",
6320 talloc_tos());
6321 if (dom_sid_str == NULL) {
6322 DEBUG(1, ("talloc failed\n"));
6323 return NT_STATUS_NO_MEMORY;
6324 }
6325 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6326 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6327 dom_sid_str));
6328 return NT_STATUS_UNSUCCESSFUL;
6329 }
6330
6331 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6332 domains, num_domains);
6333
6334 if (*domains == NULL) {
6335 DEBUG(1, ("talloc failed\n"));
6336 return NT_STATUS_NO_MEMORY;
6337 }
6338 }
6339
6340 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6341 return NT_STATUS_OK;
6342 }
6343
6344
6345 /**********************************************************************
6346 Housekeeping
6347 *********************************************************************/
6348
6349 static void free_private_data(void **vp)
6350 {
6351 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6352
6353 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6354
6355 if ((*ldap_state)->result != NULL) {
6356 ldap_msgfree((*ldap_state)->result);
6357 (*ldap_state)->result = NULL;
6358 }
6359 if ((*ldap_state)->domain_dn != NULL) {
6360 SAFE_FREE((*ldap_state)->domain_dn);
6361 }
6362
6363 *ldap_state = NULL;
6364
6365 /* No need to free any further, as it is talloc()ed */
6366 }
6367
6368 /*********************************************************************
6369 Intitalise the parts of the pdb_methods structure that are common to
6370 all pdb_ldap modes
6371 *********************************************************************/
6372
6373 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6374 {
6375 NTSTATUS nt_status;
6376 struct ldapsam_privates *ldap_state;
6377 char *bind_dn = NULL;
6378 char *bind_secret = NULL;
6379
6380 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6381 return nt_status;
6382 }
6383
6384 (*pdb_method)->name = "ldapsam";
6385
6386 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6387 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6388 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6389 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6390 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6391 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6392
6393 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6394 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6395 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6396 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6397 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6398 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6399 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6400
6401 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6402 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6403
6404 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6405
6406 (*pdb_method)->capabilities = ldapsam_capabilities;
6407 (*pdb_method)->new_rid = ldapsam_new_rid;
6408
6409 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6410 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6411 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6412 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6413
6414 /* TODO: Setup private data and free */
6415
6416 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6417 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6418 return NT_STATUS_NO_MEMORY;
6419 }
6420
6421 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6422 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6423 return NT_STATUS_NO_MEMORY;
6424 }
6425
6426 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6427 location, false, bind_dn, bind_secret,
6428 &ldap_state->smbldap_state);
6429 memset(bind_secret, '\0', strlen(bind_secret));
6430 SAFE_FREE(bind_secret);
6431 SAFE_FREE(bind_dn);
6432 if ( !NT_STATUS_IS_OK(nt_status) ) {
6433 return nt_status;
6434 }
6435
6436 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6437 return NT_STATUS_NO_MEMORY;
6438 }
6439
6440 (*pdb_method)->private_data = ldap_state;
6441
6442 (*pdb_method)->free_private_data = free_private_data;
6443
6444 return NT_STATUS_OK;
6445 }
6446
6447 /**********************************************************************
6448 Initialise the normal mode for pdb_ldap
6449 *********************************************************************/
6450
6451 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6452 {
6453 NTSTATUS nt_status;
6454 struct ldapsam_privates *ldap_state = NULL;
6455 uint32_t alg_rid_base;
6456 char *alg_rid_base_string = NULL;
6457 LDAPMessage *result = NULL;
6458 LDAPMessage *entry = NULL;
6459 struct dom_sid ldap_domain_sid;
6460 struct dom_sid secrets_domain_sid;
6461 char *domain_sid_string = NULL;
6462 char *dn = NULL;
6463 char *uri = talloc_strdup( NULL, location );
6464
6465 trim_char( uri, '\"', '\"' );
6466 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6467
6468 TALLOC_FREE(uri);
6469
6470 if (!NT_STATUS_IS_OK(nt_status)) {
6471 return nt_status;
6472 }
6473
6474 (*pdb_method)->name = "ldapsam";
6475
6476 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6477 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6478 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6479 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6480 (*pdb_method)->search_users = ldapsam_search_users;
6481 (*pdb_method)->search_groups = ldapsam_search_groups;
6482 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6483
6484 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6485 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6486 (*pdb_method)->enum_group_memberships =
6487 ldapsam_enum_group_memberships;
6488 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6489 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6490 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6491 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6492
6493 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6494 (*pdb_method)->create_user = ldapsam_create_user;
6495 (*pdb_method)->delete_user = ldapsam_delete_user;
6496 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6497 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6498 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6499 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6500 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6501 }
6502 }
6503
6504 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6505 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6506
6507 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6508
6509 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6510 &result,
6511 ldap_state->domain_name, True);
6512
6513 if ( !NT_STATUS_IS_OK(nt_status) ) {
6514 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6515 "info, nor add one to the domain. "
6516 "We cannot work reliably without it.\n"));
6517 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6518 }
6519
6520 /* Given that the above might fail, everything below this must be
6521 * optional */
6522
6523 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6524 result);
6525 if (!entry) {
6526 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6527 "entry\n"));
6528 ldap_msgfree(result);
6529 return NT_STATUS_UNSUCCESSFUL;
6530 }
6531
6532 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6533 if (!dn) {
6534 ldap_msgfree(result);
6535 return NT_STATUS_UNSUCCESSFUL;
6536 }
6537
6538 ldap_state->domain_dn = smb_xstrdup(dn);
6539 TALLOC_FREE(dn);
6540
6541 domain_sid_string = smbldap_talloc_single_attribute(
6542 ldap_state->smbldap_state->ldap_struct,
6543 entry,
6544 get_userattr_key2string(ldap_state->schema_ver,
6545 LDAP_ATTR_USER_SID),
6546 talloc_tos());
6547
6548 if (domain_sid_string) {
6549 bool found_sid;
6550 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6551 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6552 "read as a valid SID\n", domain_sid_string));
6553 ldap_msgfree(result);
6554 TALLOC_FREE(domain_sid_string);
6555 return NT_STATUS_INVALID_PARAMETER;
6556 }
6557 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6558 &secrets_domain_sid);
6559 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6560 &ldap_domain_sid)) {
6561 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6562 "%s based on pdb_ldap results %s -> %s\n",
6563 ldap_state->domain_name,
6564 sid_string_dbg(&secrets_domain_sid),
6565 sid_string_dbg(&ldap_domain_sid)));
6566
6567 /* reset secrets.tdb sid */
6568 secrets_store_domain_sid(ldap_state->domain_name,
6569 &ldap_domain_sid);
6570 DEBUG(1, ("New global sam SID: %s\n",
6571 sid_string_dbg(get_global_sam_sid())));
6572 }
6573 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6574 TALLOC_FREE(domain_sid_string);
6575 }
6576
6577 alg_rid_base_string = smbldap_talloc_single_attribute(
6578 ldap_state->smbldap_state->ldap_struct,
6579 entry,
6580 get_attr_key2string( dominfo_attr_list,
6581 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6582 talloc_tos());
6583 if (alg_rid_base_string) {
6584 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6585 if (alg_rid_base != algorithmic_rid_base()) {
6586 DEBUG(0, ("The value of 'algorithmic RID base' has "
6587 "changed since the LDAP\n"
6588 "database was initialised. Aborting. \n"));
6589 ldap_msgfree(result);
6590 TALLOC_FREE(alg_rid_base_string);
6591 return NT_STATUS_UNSUCCESSFUL;
6592 }
6593 TALLOC_FREE(alg_rid_base_string);
6594 }
6595 ldap_msgfree(result);
6596
6597 return NT_STATUS_OK;
6598 }
6599
6600 NTSTATUS pdb_ldap_init(void)
6601 {
6602 NTSTATUS nt_status;
6603 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6604 return nt_status;
6605
6606 /* Let pdb_nds register backends */
6607 pdb_nds_init();
6608
6609 pdb_ipa_init();
6610
6611 return NT_STATUS_OK;
6612 }
reg import