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Fix Jean François name to be UTF-8
[Samba.git] / source3 / passdb / pdb_ldap.c
blob1ac6c500573cc68b7c544041008ed4c9608566db
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 #include "lib/param/loadparm.h"
56 #include "lib/util_sid_passdb.h"
57
58 #undef DBGC_CLASS
59 #define DBGC_CLASS DBGC_PASSDB
60
61 #include <lber.h>
62 #include <ldap.h>
63
64
65 #include "smbldap.h"
66 #include "passdb/pdb_ldap.h"
67 #include "passdb/pdb_nds.h"
68 #include "passdb/pdb_ldap_util.h"
69 #include "passdb/pdb_ldap_schema.h"
70
71 /**********************************************************************
72 Simple helper function to make stuff better readable
73 **********************************************************************/
74
75 LDAP *priv2ld(struct ldapsam_privates *priv)
76 {
77 return smbldap_get_ldap(priv->smbldap_state);
78 }
79
80 /**********************************************************************
81 Get the attribute name given a user schame version.
82 **********************************************************************/
83
84 static const char* get_userattr_key2string( int schema_ver, int key )
85 {
86 switch ( schema_ver ) {
87 case SCHEMAVER_SAMBASAMACCOUNT:
88 return get_attr_key2string( attrib_map_v30, key );
89
90 default:
91 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
92 break;
93 }
94 return NULL;
95 }
96
97 /**********************************************************************
98 Return the list of attribute names given a user schema version.
99 **********************************************************************/
100
101 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
102 {
103 switch ( schema_ver ) {
104 case SCHEMAVER_SAMBASAMACCOUNT:
105 return get_attr_list( mem_ctx, attrib_map_v30 );
106 default:
107 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
108 break;
109 }
110
111 return NULL;
112 }
113
114 /**************************************************************************
115 Return the list of attribute names to delete given a user schema version.
116 **************************************************************************/
117
118 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
119 int schema_ver )
120 {
121 switch ( schema_ver ) {
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx,
124 attrib_map_to_delete_v30 );
125 default:
126 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
127 break;
128 }
129
130 return NULL;
131 }
132
133
134 /*******************************************************************
135 Generate the LDAP search filter for the objectclass based on the
136 version of the schema we are using.
137 ******************************************************************/
138
139 static const char* get_objclass_filter( int schema_ver )
140 {
141 fstring objclass_filter;
142 char *result;
143
144 switch( schema_ver ) {
145 case SCHEMAVER_SAMBASAMACCOUNT:
146 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
147 break;
148 default:
149 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
150 objclass_filter[0] = '\0';
151 break;
152 }
153
154 result = talloc_strdup(talloc_tos(), objclass_filter);
155 SMB_ASSERT(result != NULL);
156 return result;
157 }
158
159 /*****************************************************************
160 Scan a sequence number off OpenLDAP's syncrepl contextCSN
161 ******************************************************************/
162
163 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
164 {
165 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
166 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
167 LDAPMessage *msg = NULL;
168 LDAPMessage *entry = NULL;
169 TALLOC_CTX *mem_ctx;
170 char **values = NULL;
171 int rc, num_result, num_values, rid;
172 char *suffix = NULL;
173 char *tok;
174 const char *p;
175 const char **attrs;
176
177 /* Unfortunatly there is no proper way to detect syncrepl-support in
178 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
179 * but do not show up in the root-DSE yet. Neither we can query the
180 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
181 * objectclass. Currently we require lp_ldap_suffix() to show up as
182 * namingContext. - Guenther
183 */
184
185 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
186 return ntstatus;
187 }
188
189 if (!seq_num) {
190 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
191 return ntstatus;
192 }
193
194 if (!smbldap_has_naming_context(
195 smbldap_get_ldap(ldap_state->smbldap_state),
196 lp_ldap_suffix(talloc_tos()))) {
197 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
198 "as top-level namingContext\n", lp_ldap_suffix(talloc_tos())));
199 return ntstatus;
200 }
201
202 mem_ctx = talloc_init("ldapsam_get_seq_num");
203
204 if (mem_ctx == NULL)
205 return NT_STATUS_NO_MEMORY;
206
207 if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
208 ntstatus = NT_STATUS_NO_MEMORY;
209 goto done;
210 }
211
212 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
213 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
214 if (rid > 0) {
215
216 /* consumer syncreplCookie: */
217 /* csn=20050126161620Z#0000001#00#00000 */
218 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
219 attrs[1] = NULL;
220 suffix = talloc_asprintf(mem_ctx,
221 "cn=syncrepl%d,%s", rid, lp_ldap_suffix(talloc_tos()));
222 if (!suffix) {
223 ntstatus = NT_STATUS_NO_MEMORY;
224 goto done;
225 }
226 } else {
227
228 /* provider contextCSN */
229 /* 20050126161620Z#000009#00#000000 */
230 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
231 attrs[1] = NULL;
232 suffix = talloc_asprintf(mem_ctx,
233 "cn=ldapsync,%s", lp_ldap_suffix(talloc_tos()));
234
235 if (!suffix) {
236 ntstatus = NT_STATUS_NO_MEMORY;
237 goto done;
238 }
239 }
240
241 rc = smbldap_search(ldap_state->smbldap_state, suffix,
242 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
243
244 if (rc != LDAP_SUCCESS) {
245 goto done;
246 }
247
248 num_result = ldap_count_entries(
249 smbldap_get_ldap(ldap_state->smbldap_state), msg);
250 if (num_result != 1) {
251 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
252 goto done;
253 }
254
255 entry = ldap_first_entry(
256 smbldap_get_ldap(ldap_state->smbldap_state), msg);
257 if (entry == NULL) {
258 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
259 goto done;
260 }
261
262 values = ldap_get_values(
263 smbldap_get_ldap(ldap_state->smbldap_state), entry, attrs[0]);
264 if (values == NULL) {
265 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
266 goto done;
267 }
268
269 num_values = ldap_count_values(values);
270 if (num_values == 0) {
271 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
272 goto done;
273 }
274
275 p = values[0];
276 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
277 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
278 goto done;
279 }
280
281 p = tok;
282 if (!strncmp(p, "csn=", strlen("csn=")))
283 p += strlen("csn=");
284
285 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
286
287 *seq_num = generalized_to_unix_time(p);
288
289 /* very basic sanity check */
290 if (*seq_num <= 0) {
291 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
292 (int)*seq_num));
293 goto done;
294 }
295
296 ntstatus = NT_STATUS_OK;
297
298 done:
299 if (values != NULL)
300 ldap_value_free(values);
301 if (msg != NULL)
302 ldap_msgfree(msg);
303 if (mem_ctx)
304 talloc_destroy(mem_ctx);
305
306 return ntstatus;
307 }
308
309 /*******************************************************************
310 Run the search by name.
311 ******************************************************************/
312
313 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
314 const char *user,
315 LDAPMessage ** result,
316 const char **attr)
317 {
318 char *filter = NULL;
319 char *escape_user = escape_ldap_string(talloc_tos(), user);
320 int ret = -1;
321
322 if (!escape_user) {
323 return LDAP_NO_MEMORY;
324 }
325
326 /*
327 * in the filter expression, replace %u with the real name
328 * so in ldap filter, %u MUST exist :-)
329 */
330 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
331 get_objclass_filter(ldap_state->schema_ver));
332 if (!filter) {
333 TALLOC_FREE(escape_user);
334 return LDAP_NO_MEMORY;
335 }
336 /*
337 * have to use this here because $ is filtered out
338 * in string_sub
339 */
340
341 filter = talloc_all_string_sub(talloc_tos(),
342 filter, "%u", escape_user);
343 TALLOC_FREE(escape_user);
344 if (!filter) {
345 return LDAP_NO_MEMORY;
346 }
347
348 ret = smbldap_search_suffix(ldap_state->smbldap_state,
349 filter, attr, result);
350 TALLOC_FREE(filter);
351 return ret;
352 }
353
354 /*******************************************************************
355 Run the search by SID.
356 ******************************************************************/
357
358 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
359 const struct dom_sid *sid, LDAPMessage ** result,
360 const char **attr)
361 {
362 char *filter = NULL;
363 int rc;
364 fstring sid_string;
365
366 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
367 get_userattr_key2string(ldap_state->schema_ver,
368 LDAP_ATTR_USER_SID),
369 sid_to_fstring(sid_string, sid),
370 get_objclass_filter(ldap_state->schema_ver));
371 if (!filter) {
372 return LDAP_NO_MEMORY;
373 }
374
375 rc = smbldap_search_suffix(ldap_state->smbldap_state,
376 filter, attr, result);
377
378 TALLOC_FREE(filter);
379 return rc;
380 }
381
382 /*******************************************************************
383 Delete complete object or objectclass and attrs from
384 object found in search_result depending on lp_ldap_delete_dn
385 ******************************************************************/
386
387 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
388 TALLOC_CTX *mem_ctx,
389 LDAPMessage *entry,
390 const char *objectclass,
391 const char **attrs)
392 {
393 LDAPMod **mods = NULL;
394 char *name;
395 const char *dn;
396 BerElement *ptr = NULL;
397
398 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
399 if (dn == NULL) {
400 return LDAP_NO_MEMORY;
401 }
402
403 if (lp_ldap_delete_dn()) {
404 return smbldap_delete(priv->smbldap_state, dn);
405 }
406
407 /* Ok, delete only the SAM attributes */
408
409 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
410 name != NULL;
411 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
412 const char **attrib;
413
414 /* We are only allowed to delete the attributes that
415 really exist. */
416
417 for (attrib = attrs; *attrib != NULL; attrib++) {
418 if (strequal(*attrib, name)) {
419 DEBUG(10, ("ldapsam_delete_entry: deleting "
420 "attribute %s\n", name));
421 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
422 NULL);
423 }
424 }
425 ldap_memfree(name);
426 }
427
428 if (ptr != NULL) {
429 ber_free(ptr, 0);
430 }
431
432 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
433 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
434
435 return smbldap_modify(priv->smbldap_state, dn, mods);
436 }
437
438 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
439 {
440 char *temp;
441 struct tm tm;
442
443 temp = smbldap_talloc_single_attribute(
444 smbldap_get_ldap(ldap_state->smbldap_state), entry,
445 get_userattr_key2string(ldap_state->schema_ver,
446 LDAP_ATTR_MOD_TIMESTAMP),
447 talloc_tos());
448 if (!temp) {
449 return (time_t) 0;
450 }
451
452 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
453 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
454 (char*)temp));
455 TALLOC_FREE(temp);
456 return (time_t) 0;
457 }
458 TALLOC_FREE(temp);
459 tzset();
460 return timegm(&tm);
461 }
462
463 /**********************************************************************
464 Initialize struct samu from an LDAP query.
465 (Based on init_sam_from_buffer in pdb_tdb.c)
466 *********************************************************************/
467
468 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
469 struct samu * sampass,
470 LDAPMessage * entry)
471 {
472 time_t logon_time,
473 logoff_time,
474 kickoff_time,
475 pass_last_set_time,
476 pass_can_change_time,
477 ldap_entry_time,
478 bad_password_time;
479 char *username = NULL,
480 *domain = NULL,
481 *nt_username = NULL,
482 *fullname = NULL,
483 *homedir = NULL,
484 *dir_drive = NULL,
485 *logon_script = NULL,
486 *profile_path = NULL,
487 *acct_desc = NULL,
488 *workstations = NULL,
489 *munged_dial = NULL;
490 uint32_t user_rid;
491 uint8_t smblmpwd[LM_HASH_LEN],
492 smbntpwd[NT_HASH_LEN];
493 bool use_samba_attrs = True;
494 uint32_t acct_ctrl = 0;
495 uint16_t logon_divs;
496 uint16_t bad_password_count = 0,
497 logon_count = 0;
498 uint32_t hours_len;
499 uint8_t hours[MAX_HOURS_LEN];
500 char *temp = NULL;
501 struct login_cache cache_entry;
502 uint32_t pwHistLen;
503 bool expand_explicit = lp_passdb_expand_explicit();
504 bool ret = false;
505 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
506
507 if (!ctx) {
508 return false;
509 }
510 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
511 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
512 goto fn_exit;
513 }
514
515 if (priv2ld(ldap_state) == NULL) {
516 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
517 "ldap_struct is NULL!\n"));
518 goto fn_exit;
519 }
520
521 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
522 entry,
523 "uid",
524 ctx))) {
525 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
526 "this user!\n"));
527 goto fn_exit;
528 }
529
530 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
531
532 nt_username = talloc_strdup(ctx, username);
533 if (!nt_username) {
534 goto fn_exit;
535 }
536
537 domain = talloc_strdup(ctx, ldap_state->domain_name);
538 if (!domain) {
539 goto fn_exit;
540 }
541
542 pdb_set_username(sampass, username, PDB_SET);
543
544 pdb_set_domain(sampass, domain, PDB_DEFAULT);
545 pdb_set_nt_username(sampass, nt_username, PDB_SET);
546
547 /* deal with different attributes between the schema first */
548
549 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
550 if ((temp = smbldap_talloc_single_attribute(
551 smbldap_get_ldap(ldap_state->smbldap_state),
552 entry,
553 get_userattr_key2string(ldap_state->schema_ver,
554 LDAP_ATTR_USER_SID),
555 ctx))!=NULL) {
556 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
557 }
558 } else {
559 if ((temp = smbldap_talloc_single_attribute(
560 smbldap_get_ldap(ldap_state->smbldap_state),
561 entry,
562 get_userattr_key2string(ldap_state->schema_ver,
563 LDAP_ATTR_USER_RID),
564 ctx))!=NULL) {
565 user_rid = (uint32_t)atol(temp);
566 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
567 }
568 }
569
570 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
571 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
572 get_userattr_key2string(ldap_state->schema_ver,
573 LDAP_ATTR_USER_SID),
574 get_userattr_key2string(ldap_state->schema_ver,
575 LDAP_ATTR_USER_RID),
576 username));
577 return False;
578 }
579
580 temp = smbldap_talloc_single_attribute(
581 smbldap_get_ldap(ldap_state->smbldap_state),
582 entry,
583 get_userattr_key2string(ldap_state->schema_ver,
584 LDAP_ATTR_PWD_LAST_SET),
585 ctx);
586 if (temp) {
587 pass_last_set_time = (time_t) atol(temp);
588 pdb_set_pass_last_set_time(sampass,
589 pass_last_set_time, PDB_SET);
590 }
591
592 temp = smbldap_talloc_single_attribute(
593 smbldap_get_ldap(ldap_state->smbldap_state),
594 entry,
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_LOGON_TIME),
597 ctx);
598 if (temp) {
599 logon_time = (time_t) atol(temp);
600 pdb_set_logon_time(sampass, logon_time, PDB_SET);
601 }
602
603 temp = smbldap_talloc_single_attribute(
604 smbldap_get_ldap(ldap_state->smbldap_state),
605 entry,
606 get_userattr_key2string(ldap_state->schema_ver,
607 LDAP_ATTR_LOGOFF_TIME),
608 ctx);
609 if (temp) {
610 logoff_time = (time_t) atol(temp);
611 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
612 }
613
614 temp = smbldap_talloc_single_attribute(
615 smbldap_get_ldap(ldap_state->smbldap_state),
616 entry,
617 get_userattr_key2string(ldap_state->schema_ver,
618 LDAP_ATTR_KICKOFF_TIME),
619 ctx);
620 if (temp) {
621 kickoff_time = (time_t) atol(temp);
622 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
623 }
624
625 temp = smbldap_talloc_single_attribute(
626 smbldap_get_ldap(ldap_state->smbldap_state),
627 entry,
628 get_userattr_key2string(ldap_state->schema_ver,
629 LDAP_ATTR_PWD_CAN_CHANGE),
630 ctx);
631 if (temp) {
632 pass_can_change_time = (time_t) atol(temp);
633 pdb_set_pass_can_change_time(sampass,
634 pass_can_change_time, PDB_SET);
635 }
636
637 /* recommend that 'gecos' and 'displayName' should refer to the same
638 * attribute OID. userFullName depreciated, only used by Samba
639 * primary rules of LDAP: don't make a new attribute when one is already defined
640 * that fits your needs; using cn then displayName rather than 'userFullName'
641 */
642
643 fullname = smbldap_talloc_single_attribute(
644 smbldap_get_ldap(ldap_state->smbldap_state),
645 entry,
646 get_userattr_key2string(ldap_state->schema_ver,
647 LDAP_ATTR_DISPLAY_NAME),
648 ctx);
649 if (fullname) {
650 pdb_set_fullname(sampass, fullname, PDB_SET);
651 } else {
652 fullname = smbldap_talloc_single_attribute(
653 smbldap_get_ldap(ldap_state->smbldap_state),
654 entry,
655 get_userattr_key2string(ldap_state->schema_ver,
656 LDAP_ATTR_CN),
657 ctx);
658 if (fullname) {
659 pdb_set_fullname(sampass, fullname, PDB_SET);
660 }
661 }
662
663 dir_drive = smbldap_talloc_single_attribute(
664 smbldap_get_ldap(ldap_state->smbldap_state),
665 entry,
666 get_userattr_key2string(ldap_state->schema_ver,
667 LDAP_ATTR_HOME_DRIVE),
668 ctx);
669 if (dir_drive) {
670 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
671 } else {
672 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
673 }
674
675 homedir = smbldap_talloc_single_attribute(
676 smbldap_get_ldap(ldap_state->smbldap_state),
677 entry,
678 get_userattr_key2string(ldap_state->schema_ver,
679 LDAP_ATTR_HOME_PATH),
680 ctx);
681 if (homedir) {
682 if (expand_explicit) {
683 homedir = talloc_sub_basic(ctx,
684 username,
685 domain,
686 homedir);
687 if (!homedir) {
688 goto fn_exit;
689 }
690 }
691 pdb_set_homedir(sampass, homedir, PDB_SET);
692 } else {
693 pdb_set_homedir(sampass,
694 talloc_sub_basic(ctx, username, domain,
695 lp_logon_home()),
696 PDB_DEFAULT);
697 }
698
699 logon_script = smbldap_talloc_single_attribute(
700 smbldap_get_ldap(ldap_state->smbldap_state),
701 entry,
702 get_userattr_key2string(ldap_state->schema_ver,
703 LDAP_ATTR_LOGON_SCRIPT),
704 ctx);
705 if (logon_script) {
706 if (expand_explicit) {
707 logon_script = talloc_sub_basic(ctx,
708 username,
709 domain,
710 logon_script);
711 if (!logon_script) {
712 goto fn_exit;
713 }
714 }
715 pdb_set_logon_script(sampass, logon_script, PDB_SET);
716 } else {
717 pdb_set_logon_script(sampass,
718 talloc_sub_basic(ctx, username, domain,
719 lp_logon_script()),
720 PDB_DEFAULT );
721 }
722
723 profile_path = smbldap_talloc_single_attribute(
724 smbldap_get_ldap(ldap_state->smbldap_state),
725 entry,
726 get_userattr_key2string(ldap_state->schema_ver,
727 LDAP_ATTR_PROFILE_PATH),
728 ctx);
729 if (profile_path) {
730 if (expand_explicit) {
731 profile_path = talloc_sub_basic(ctx,
732 username,
733 domain,
734 profile_path);
735 if (!profile_path) {
736 goto fn_exit;
737 }
738 }
739 pdb_set_profile_path(sampass, profile_path, PDB_SET);
740 } else {
741 pdb_set_profile_path(sampass,
742 talloc_sub_basic(ctx, username, domain,
743 lp_logon_path()),
744 PDB_DEFAULT );
745 }
746
747 acct_desc = smbldap_talloc_single_attribute(
748 smbldap_get_ldap(ldap_state->smbldap_state),
749 entry,
750 get_userattr_key2string(ldap_state->schema_ver,
751 LDAP_ATTR_DESC),
752 ctx);
753 if (acct_desc) {
754 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
755 }
756
757 workstations = smbldap_talloc_single_attribute(
758 smbldap_get_ldap(ldap_state->smbldap_state),
759 entry,
760 get_userattr_key2string(ldap_state->schema_ver,
761 LDAP_ATTR_USER_WKS),
762 ctx);
763 if (workstations) {
764 pdb_set_workstations(sampass, workstations, PDB_SET);
765 }
766
767 munged_dial = smbldap_talloc_single_attribute(
768 smbldap_get_ldap(ldap_state->smbldap_state),
769 entry,
770 get_userattr_key2string(ldap_state->schema_ver,
771 LDAP_ATTR_MUNGED_DIAL),
772 ctx);
773 if (munged_dial) {
774 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
775 }
776
777 /* FIXME: hours stuff should be cleaner */
778
779 logon_divs = 168;
780 hours_len = 21;
781 memset(hours, 0xff, hours_len);
782
783 if (ldap_state->is_nds_ldap) {
784 char *user_dn;
785 size_t pwd_len;
786 char clear_text_pw[512];
787
788 /* Make call to Novell eDirectory ldap extension to get clear text password.
789 NOTE: This will only work if we have an SSL connection to eDirectory. */
790 user_dn = smbldap_talloc_dn(
791 ctx, smbldap_get_ldap(ldap_state->smbldap_state),
792 entry);
793 if (user_dn != NULL) {
794 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
795
796 pwd_len = sizeof(clear_text_pw);
797 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
798 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
799 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
800 TALLOC_FREE(user_dn);
801 return False;
802 }
803 ZERO_STRUCT(smblmpwd);
804 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
805 TALLOC_FREE(user_dn);
806 return False;
807 }
808 ZERO_STRUCT(smbntpwd);
809 use_samba_attrs = False;
810 }
811
812 TALLOC_FREE(user_dn);
813
814 } else {
815 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
816 }
817 }
818
819 if (use_samba_attrs) {
820 temp = smbldap_talloc_single_attribute(
821 smbldap_get_ldap(ldap_state->smbldap_state),
822 entry,
823 get_userattr_key2string(ldap_state->schema_ver,
824 LDAP_ATTR_LMPW),
825 ctx);
826 if (temp) {
827 pdb_gethexpwd(temp, smblmpwd);
828 memset((char *)temp, '\0', strlen(temp)+1);
829 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
830 goto fn_exit;
831 }
832 ZERO_STRUCT(smblmpwd);
833 }
834
835 temp = smbldap_talloc_single_attribute(
836 smbldap_get_ldap(ldap_state->smbldap_state),
837 entry,
838 get_userattr_key2string(ldap_state->schema_ver,
839 LDAP_ATTR_NTPW),
840 ctx);
841 if (temp) {
842 pdb_gethexpwd(temp, smbntpwd);
843 memset((char *)temp, '\0', strlen(temp)+1);
844 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
845 goto fn_exit;
846 }
847 ZERO_STRUCT(smbntpwd);
848 }
849 }
850
851 pwHistLen = 0;
852
853 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
854 if (pwHistLen > 0){
855 uint8_t *pwhist = NULL;
856 int i;
857 char *history_string = talloc_array(ctx, char,
858 MAX_PW_HISTORY_LEN*64);
859
860 if (!history_string) {
861 goto fn_exit;
862 }
863
864 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
865
866 pwhist = talloc_zero_array(ctx, uint8_t,
867 pwHistLen * PW_HISTORY_ENTRY_LEN);
868 if (pwhist == NULL) {
869 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
870 goto fn_exit;
871 }
872
873 if (smbldap_get_single_attribute(
874 smbldap_get_ldap(ldap_state->smbldap_state),
875 entry,
876 get_userattr_key2string(ldap_state->schema_ver,
877 LDAP_ATTR_PWD_HISTORY),
878 history_string,
879 MAX_PW_HISTORY_LEN*64)) {
880 bool hex_failed = false;
881 for (i = 0; i < pwHistLen; i++){
882 /* Get the 16 byte salt. */
883 if (!pdb_gethexpwd(&history_string[i*64],
884 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
885 hex_failed = true;
886 break;
887 }
888 /* Get the 16 byte MD5 hash of salt+passwd. */
889 if (!pdb_gethexpwd(&history_string[(i*64)+32],
890 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
891 PW_HISTORY_SALT_LEN])) {
892 hex_failed = True;
893 break;
894 }
895 }
896 if (hex_failed) {
897 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
898 username));
899 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
900 }
901 }
902 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
903 goto fn_exit;
904 }
905 }
906
907 temp = smbldap_talloc_single_attribute(
908 smbldap_get_ldap(ldap_state->smbldap_state),
909 entry,
910 get_userattr_key2string(ldap_state->schema_ver,
911 LDAP_ATTR_ACB_INFO),
912 ctx);
913 if (temp) {
914 acct_ctrl = pdb_decode_acct_ctrl(temp);
915
916 if (acct_ctrl == 0) {
917 acct_ctrl |= ACB_NORMAL;
918 }
919
920 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
921 } else {
922 acct_ctrl |= ACB_NORMAL;
923 }
924
925 pdb_set_hours_len(sampass, hours_len, PDB_SET);
926 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
927
928 temp = smbldap_talloc_single_attribute(
929 smbldap_get_ldap(ldap_state->smbldap_state),
930 entry,
931 get_userattr_key2string(ldap_state->schema_ver,
932 LDAP_ATTR_BAD_PASSWORD_COUNT),
933 ctx);
934 if (temp) {
935 bad_password_count = (uint32_t) atol(temp);
936 pdb_set_bad_password_count(sampass,
937 bad_password_count, PDB_SET);
938 }
939
940 temp = smbldap_talloc_single_attribute(
941 smbldap_get_ldap(ldap_state->smbldap_state),
942 entry,
943 get_userattr_key2string(ldap_state->schema_ver,
944 LDAP_ATTR_BAD_PASSWORD_TIME),
945 ctx);
946 if (temp) {
947 bad_password_time = (time_t) atol(temp);
948 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
949 }
950
951
952 temp = smbldap_talloc_single_attribute(
953 smbldap_get_ldap(ldap_state->smbldap_state),
954 entry,
955 get_userattr_key2string(ldap_state->schema_ver,
956 LDAP_ATTR_LOGON_COUNT),
957 ctx);
958 if (temp) {
959 logon_count = (uint32_t) atol(temp);
960 pdb_set_logon_count(sampass, logon_count, PDB_SET);
961 }
962
963 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
964
965 temp = smbldap_talloc_single_attribute(
966 smbldap_get_ldap(ldap_state->smbldap_state),
967 entry,
968 get_userattr_key2string(ldap_state->schema_ver,
969 LDAP_ATTR_LOGON_HOURS),
970 ctx);
971 if (temp) {
972 pdb_gethexhours(temp, hours);
973 memset((char *)temp, '\0', strlen(temp) +1);
974 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
975 ZERO_STRUCT(hours);
976 }
977
978 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
979 struct passwd unix_pw;
980 bool have_uid = false;
981 bool have_gid = false;
982 struct dom_sid mapped_gsid;
983 const struct dom_sid *primary_gsid;
984 struct unixid id;
985
986 ZERO_STRUCT(unix_pw);
987
988 unix_pw.pw_name = username;
989 unix_pw.pw_passwd = discard_const_p(char, "x");
990
991 temp = smbldap_talloc_single_attribute(
992 priv2ld(ldap_state),
993 entry,
994 "uidNumber",
995 ctx);
996 if (temp) {
997 /* We've got a uid, feed the cache */
998 unix_pw.pw_uid = strtoul(temp, NULL, 10);
999 have_uid = true;
1000 }
1001 temp = smbldap_talloc_single_attribute(
1002 priv2ld(ldap_state),
1003 entry,
1004 "gidNumber",
1005 ctx);
1006 if (temp) {
1007 /* We've got a uid, feed the cache */
1008 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1009 have_gid = true;
1010 }
1011 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1012 priv2ld(ldap_state),
1013 entry,
1014 "gecos",
1015 ctx);
1016 if (unix_pw.pw_gecos == NULL) {
1017 unix_pw.pw_gecos = fullname;
1018 }
1019 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1020 priv2ld(ldap_state),
1021 entry,
1022 "homeDirectory",
1023 ctx);
1024 if (unix_pw.pw_dir == NULL) {
1025 unix_pw.pw_dir = discard_const_p(char, "");
1026 }
1027 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1028 priv2ld(ldap_state),
1029 entry,
1030 "loginShell",
1031 ctx);
1032 if (unix_pw.pw_shell == NULL) {
1033 unix_pw.pw_shell = discard_const_p(char, "");
1034 }
1035
1036 if (have_uid && have_gid) {
1037 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1038 } else {
1039 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1040 }
1041
1042 if (sampass->unix_pw == NULL) {
1043 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1044 pdb_get_username(sampass)));
1045 goto fn_exit;
1046 }
1047
1048 id.id = sampass->unix_pw->pw_uid;
1049 id.type = ID_TYPE_UID;
1050
1051 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1052
1053 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1054 primary_gsid = pdb_get_group_sid(sampass);
1055 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1056 id.id = sampass->unix_pw->pw_gid;
1057 id.type = ID_TYPE_GID;
1058
1059 idmap_cache_set_sid2unixid(primary_gsid, &id);
1060 }
1061 }
1062
1063 /* check the timestamp of the cache vs ldap entry */
1064 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1065 entry))) {
1066 ret = true;
1067 goto fn_exit;
1068 }
1069
1070 /* see if we have newer updates */
1071 if (!login_cache_read(sampass, &cache_entry)) {
1072 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1073 (unsigned int)pdb_get_bad_password_count(sampass),
1074 (unsigned int)pdb_get_bad_password_time(sampass)));
1075 ret = true;
1076 goto fn_exit;
1077 }
1078
1079 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1080 (unsigned int)ldap_entry_time,
1081 (unsigned int)cache_entry.entry_timestamp,
1082 (unsigned int)cache_entry.bad_password_time));
1083
1084 if (ldap_entry_time > cache_entry.entry_timestamp) {
1085 /* cache is older than directory , so
1086 we need to delete the entry but allow the
1087 fields to be written out */
1088 login_cache_delentry(sampass);
1089 } else {
1090 /* read cache in */
1091 pdb_set_acct_ctrl(sampass,
1092 pdb_get_acct_ctrl(sampass) |
1093 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1094 PDB_SET);
1095 pdb_set_bad_password_count(sampass,
1096 cache_entry.bad_password_count,
1097 PDB_SET);
1098 pdb_set_bad_password_time(sampass,
1099 cache_entry.bad_password_time,
1100 PDB_SET);
1101 }
1102
1103 ret = true;
1104
1105 fn_exit:
1106
1107 TALLOC_FREE(ctx);
1108 return ret;
1109 }
1110
1111 /**********************************************************************
1112 Initialize the ldap db from a struct samu. Called on update.
1113 (Based on init_buffer_from_sam in pdb_tdb.c)
1114 *********************************************************************/
1115
1116 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1117 LDAPMessage *existing,
1118 LDAPMod *** mods, struct samu * sampass,
1119 bool (*need_update)(const struct samu *,
1120 enum pdb_elements))
1121 {
1122 char *temp = NULL;
1123
1124 if (mods == NULL || sampass == NULL) {
1125 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1126 return False;
1127 }
1128
1129 *mods = NULL;
1130
1131 /*
1132 * took out adding "objectclass: sambaAccount"
1133 * do this on a per-mod basis
1134 */
1135 if (need_update(sampass, PDB_USERNAME)) {
1136 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1137 existing, mods,
1138 "uid", pdb_get_username(sampass));
1139 if (ldap_state->is_nds_ldap) {
1140 smbldap_make_mod(
1141 smbldap_get_ldap(ldap_state->smbldap_state),
1142 existing, mods,
1143 "cn", pdb_get_username(sampass));
1144 smbldap_make_mod(
1145 smbldap_get_ldap(ldap_state->smbldap_state),
1146 existing, mods,
1147 "sn", pdb_get_username(sampass));
1148 }
1149 }
1150
1151 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1152
1153 /* only update the RID if we actually need to */
1154 if (need_update(sampass, PDB_USERSID)) {
1155 fstring sid_string;
1156 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1157
1158 switch ( ldap_state->schema_ver ) {
1159 case SCHEMAVER_SAMBASAMACCOUNT:
1160 smbldap_make_mod(
1161 smbldap_get_ldap(
1162 ldap_state->smbldap_state),
1163 existing, mods,
1164 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1165 sid_to_fstring(sid_string, user_sid));
1166 break;
1167
1168 default:
1169 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1170 break;
1171 }
1172 }
1173
1174 /* we don't need to store the primary group RID - so leaving it
1175 'free' to hang off the unix primary group makes life easier */
1176
1177 if (need_update(sampass, PDB_GROUPSID)) {
1178 fstring sid_string;
1179 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1180
1181 switch ( ldap_state->schema_ver ) {
1182 case SCHEMAVER_SAMBASAMACCOUNT:
1183 smbldap_make_mod(
1184 smbldap_get_ldap(
1185 ldap_state->smbldap_state),
1186 existing, mods,
1187 get_userattr_key2string(ldap_state->schema_ver,
1188 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1189 break;
1190
1191 default:
1192 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1193 break;
1194 }
1195
1196 }
1197
1198 /* displayName, cn, and gecos should all be the same
1199 * most easily accomplished by giving them the same OID
1200 * gecos isn't set here b/c it should be handled by the
1201 * add-user script
1202 * We change displayName only and fall back to cn if
1203 * it does not exist.
1204 */
1205
1206 if (need_update(sampass, PDB_FULLNAME))
1207 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1208 existing, mods,
1209 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1210 pdb_get_fullname(sampass));
1211
1212 if (need_update(sampass, PDB_ACCTDESC))
1213 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1214 existing, mods,
1215 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1216 pdb_get_acct_desc(sampass));
1217
1218 if (need_update(sampass, PDB_WORKSTATIONS))
1219 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1220 existing, mods,
1221 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1222 pdb_get_workstations(sampass));
1223
1224 if (need_update(sampass, PDB_MUNGEDDIAL))
1225 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1226 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(smbldap_get_ldap(ldap_state->smbldap_state),
1232 existing, mods,
1233 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1234 pdb_get_homedir(sampass));
1235
1236 if (need_update(sampass, PDB_DRIVE))
1237 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1238 existing, mods,
1239 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1240 pdb_get_dir_drive(sampass));
1241
1242 if (need_update(sampass, PDB_LOGONSCRIPT))
1243 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1244 existing, mods,
1245 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1246 pdb_get_logon_script(sampass));
1247
1248 if (need_update(sampass, PDB_PROFILE))
1249 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1250 existing, mods,
1251 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1252 pdb_get_profile_path(sampass));
1253
1254 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1255 return false;
1256 }
1257 if (need_update(sampass, PDB_LOGONTIME))
1258 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1259 existing, mods,
1260 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1261 SAFE_FREE(temp);
1262
1263 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1264 return false;
1265 }
1266 if (need_update(sampass, PDB_LOGOFFTIME))
1267 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1268 existing, mods,
1269 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1270 SAFE_FREE(temp);
1271
1272 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1273 return false;
1274 }
1275 if (need_update(sampass, PDB_KICKOFFTIME))
1276 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1277 existing, mods,
1278 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1279 SAFE_FREE(temp);
1280
1281 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1282 return false;
1283 }
1284 if (need_update(sampass, PDB_CANCHANGETIME))
1285 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1286 existing, mods,
1287 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1288 SAFE_FREE(temp);
1289
1290 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1291 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1292
1293 if (need_update(sampass, PDB_LMPASSWD)) {
1294 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1295 if (lm_pw) {
1296 char pwstr[34];
1297 pdb_sethexpwd(pwstr, lm_pw,
1298 pdb_get_acct_ctrl(sampass));
1299 smbldap_make_mod(
1300 smbldap_get_ldap(
1301 ldap_state->smbldap_state),
1302 existing, mods,
1303 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1304 pwstr);
1305 } else {
1306 smbldap_make_mod(
1307 smbldap_get_ldap(
1308 ldap_state->smbldap_state),
1309 existing, mods,
1310 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1311 NULL);
1312 }
1313 }
1314 if (need_update(sampass, PDB_NTPASSWD)) {
1315 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1316 if (nt_pw) {
1317 char pwstr[34];
1318 pdb_sethexpwd(pwstr, nt_pw,
1319 pdb_get_acct_ctrl(sampass));
1320 smbldap_make_mod(
1321 smbldap_get_ldap(
1322 ldap_state->smbldap_state),
1323 existing, mods,
1324 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1325 pwstr);
1326 } else {
1327 smbldap_make_mod(
1328 smbldap_get_ldap(
1329 ldap_state->smbldap_state),
1330 existing, mods,
1331 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1332 NULL);
1333 }
1334 }
1335
1336 if (need_update(sampass, PDB_PWHISTORY)) {
1337 char *pwstr = NULL;
1338 uint32_t pwHistLen = 0;
1339 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1340
1341 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1342 if (!pwstr) {
1343 return false;
1344 }
1345 if (pwHistLen == 0) {
1346 /* Remove any password history from the LDAP store. */
1347 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1348 pwstr[64] = '\0';
1349 } else {
1350 int i;
1351 uint32_t currHistLen = 0;
1352 const uint8_t *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1353 if (pwhist != NULL) {
1354 /* We can only store (1024-1/64 password history entries. */
1355 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1356 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1357 /* Store the salt. */
1358 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1359 /* Followed by the md5 hash of salt + md4 hash */
1360 pdb_sethexpwd(&pwstr[(i*64)+32],
1361 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1362 DEBUG(100, ("pwstr=%s\n", pwstr));
1363 }
1364 }
1365 }
1366 smbldap_make_mod(
1367 smbldap_get_ldap(ldap_state->smbldap_state),
1368 existing, mods,
1369 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1370 pwstr);
1371 SAFE_FREE(pwstr);
1372 }
1373
1374 if (need_update(sampass, PDB_PASSLASTSET)) {
1375 if (asprintf(&temp, "%li",
1376 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1377 return false;
1378 }
1379 smbldap_make_mod(
1380 smbldap_get_ldap(ldap_state->smbldap_state),
1381 existing, mods,
1382 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1383 temp);
1384 SAFE_FREE(temp);
1385 }
1386 }
1387
1388 if (need_update(sampass, PDB_HOURS)) {
1389 const uint8_t *hours = pdb_get_hours(sampass);
1390 if (hours) {
1391 char hourstr[44];
1392 pdb_sethexhours(hourstr, hours);
1393 smbldap_make_mod(
1394 smbldap_get_ldap(ldap_state->smbldap_state),
1395 existing,
1396 mods,
1397 get_userattr_key2string(ldap_state->schema_ver,
1398 LDAP_ATTR_LOGON_HOURS),
1399 hourstr);
1400 }
1401 }
1402
1403 if (need_update(sampass, PDB_ACCTCTRL))
1404 smbldap_make_mod(
1405 smbldap_get_ldap(ldap_state->smbldap_state),
1406 existing, mods,
1407 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1408 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1409
1410 /* password lockout cache:
1411 - If we are now autolocking or clearing, we write to ldap
1412 - If we are clearing, we delete the cache entry
1413 - If the count is > 0, we update the cache
1414
1415 This even means when autolocking, we cache, just in case the
1416 update doesn't work, and we have to cache the autolock flag */
1417
1418 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1419 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1420 uint16_t badcount = pdb_get_bad_password_count(sampass);
1421 time_t badtime = pdb_get_bad_password_time(sampass);
1422 uint32_t pol;
1423 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1424
1425 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1426 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1427
1428 if ((badcount >= pol) || (badcount == 0)) {
1429 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1430 (unsigned int)badcount, (unsigned int)badtime));
1431 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1432 return false;
1433 }
1434 smbldap_make_mod(
1435 smbldap_get_ldap(ldap_state->smbldap_state),
1436 existing, mods,
1437 get_userattr_key2string(
1438 ldap_state->schema_ver,
1439 LDAP_ATTR_BAD_PASSWORD_COUNT),
1440 temp);
1441 SAFE_FREE(temp);
1442
1443 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1444 return false;
1445 }
1446 smbldap_make_mod(
1447 smbldap_get_ldap(ldap_state->smbldap_state),
1448 existing, mods,
1449 get_userattr_key2string(
1450 ldap_state->schema_ver,
1451 LDAP_ATTR_BAD_PASSWORD_TIME),
1452 temp);
1453 SAFE_FREE(temp);
1454 }
1455 if (badcount == 0) {
1456 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1457 login_cache_delentry(sampass);
1458 } else {
1459 struct login_cache cache_entry;
1460
1461 cache_entry.entry_timestamp = time(NULL);
1462 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1463 cache_entry.bad_password_count = badcount;
1464 cache_entry.bad_password_time = badtime;
1465
1466 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1467 login_cache_write(sampass, &cache_entry);
1468 }
1469 }
1470
1471 return True;
1472 }
1473
1474 /**********************************************************************
1475 End enumeration of the LDAP password list.
1476 *********************************************************************/
1477
1478 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1479 {
1480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1481 if (ldap_state->result) {
1482 ldap_msgfree(ldap_state->result);
1483 ldap_state->result = NULL;
1484 }
1485 }
1486
1487 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1488 const char *new_attr)
1489 {
1490 int i;
1491
1492 if (new_attr == NULL) {
1493 return;
1494 }
1495
1496 for (i=0; (*attr_list)[i] != NULL; i++) {
1497 ;
1498 }
1499
1500 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1501 const char *, i+2);
1502 SMB_ASSERT((*attr_list) != NULL);
1503 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1504 (*attr_list)[i+1] = NULL;
1505 }
1506
1507 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1508 const char ***attr_list)
1509 {
1510 append_attr(mem_ctx, attr_list, "uidNumber");
1511 append_attr(mem_ctx, attr_list, "gidNumber");
1512 append_attr(mem_ctx, attr_list, "homeDirectory");
1513 append_attr(mem_ctx, attr_list, "loginShell");
1514 append_attr(mem_ctx, attr_list, "gecos");
1515 }
1516
1517 /**********************************************************************
1518 Get struct samu entry from LDAP by username.
1519 *********************************************************************/
1520
1521 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1522 {
1523 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1524 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1525 LDAPMessage *result = NULL;
1526 LDAPMessage *entry = NULL;
1527 int count;
1528 const char ** attr_list;
1529 int rc;
1530
1531 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1532 append_attr(user, &attr_list,
1533 get_userattr_key2string(ldap_state->schema_ver,
1534 LDAP_ATTR_MOD_TIMESTAMP));
1535 ldapsam_add_unix_attributes(user, &attr_list);
1536 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1537 attr_list);
1538 TALLOC_FREE( attr_list );
1539
1540 if ( rc != LDAP_SUCCESS )
1541 return NT_STATUS_NO_SUCH_USER;
1542
1543 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1544 result);
1545
1546 if (count < 1) {
1547 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1548 ldap_msgfree(result);
1549 return NT_STATUS_NO_SUCH_USER;
1550 } else if (count > 1) {
1551 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1552 ldap_msgfree(result);
1553 return NT_STATUS_NO_SUCH_USER;
1554 }
1555
1556 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1557 result);
1558 if (entry) {
1559 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1560 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1561 ldap_msgfree(result);
1562 return NT_STATUS_NO_SUCH_USER;
1563 }
1564 pdb_set_backend_private_data(user, result, NULL,
1565 my_methods, PDB_CHANGED);
1566 smbldap_talloc_autofree_ldapmsg(user, result);
1567 ret = NT_STATUS_OK;
1568 } else {
1569 ldap_msgfree(result);
1570 }
1571 return ret;
1572 }
1573
1574 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1575 const struct dom_sid *sid, LDAPMessage **result)
1576 {
1577 int rc = -1;
1578 const char ** attr_list;
1579
1580 switch ( ldap_state->schema_ver ) {
1581 case SCHEMAVER_SAMBASAMACCOUNT: {
1582 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1583 if (tmp_ctx == NULL) {
1584 return LDAP_NO_MEMORY;
1585 }
1586
1587 attr_list = get_userattr_list(tmp_ctx,
1588 ldap_state->schema_ver);
1589 append_attr(tmp_ctx, &attr_list,
1590 get_userattr_key2string(
1591 ldap_state->schema_ver,
1592 LDAP_ATTR_MOD_TIMESTAMP));
1593 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1594 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1595 result, attr_list);
1596 TALLOC_FREE(tmp_ctx);
1597
1598 if ( rc != LDAP_SUCCESS )
1599 return rc;
1600 break;
1601 }
1602
1603 default:
1604 DEBUG(0,("Invalid schema version specified\n"));
1605 break;
1606 }
1607 return rc;
1608 }
1609
1610 /**********************************************************************
1611 Get struct samu entry from LDAP by SID.
1612 *********************************************************************/
1613
1614 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1615 {
1616 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1617 LDAPMessage *result = NULL;
1618 LDAPMessage *entry = NULL;
1619 int count;
1620 int rc;
1621
1622 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1623 sid, &result);
1624 if (rc != LDAP_SUCCESS)
1625 return NT_STATUS_NO_SUCH_USER;
1626
1627 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1628 result);
1629
1630 if (count < 1) {
1631 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1632 "count=%d\n", sid_string_dbg(sid), count));
1633 ldap_msgfree(result);
1634 return NT_STATUS_NO_SUCH_USER;
1635 } else if (count > 1) {
1636 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1637 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1638 count));
1639 ldap_msgfree(result);
1640 return NT_STATUS_NO_SUCH_USER;
1641 }
1642
1643 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1644 result);
1645 if (!entry) {
1646 ldap_msgfree(result);
1647 return NT_STATUS_NO_SUCH_USER;
1648 }
1649
1650 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1651 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1652 ldap_msgfree(result);
1653 return NT_STATUS_NO_SUCH_USER;
1654 }
1655
1656 pdb_set_backend_private_data(user, result, NULL,
1657 my_methods, PDB_CHANGED);
1658 smbldap_talloc_autofree_ldapmsg(user, result);
1659 return NT_STATUS_OK;
1660 }
1661
1662 /********************************************************************
1663 Do the actual modification - also change a plaintext passord if
1664 it it set.
1665 **********************************************************************/
1666
1667 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1668 struct samu *newpwd, char *dn,
1669 LDAPMod **mods, int ldap_op,
1670 bool (*need_update)(const struct samu *, enum pdb_elements))
1671 {
1672 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1673 int rc;
1674
1675 if (!newpwd || !dn) {
1676 return NT_STATUS_INVALID_PARAMETER;
1677 }
1678
1679 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1680 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1681 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1682 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1683 BerElement *ber;
1684 struct berval *bv;
1685 char *retoid = NULL;
1686 struct berval *retdata = NULL;
1687 char *utf8_password;
1688 char *utf8_dn;
1689 size_t converted_size;
1690 int ret;
1691
1692 if (!ldap_state->is_nds_ldap) {
1693
1694 if (!smbldap_has_extension(
1695 smbldap_get_ldap(
1696 ldap_state->smbldap_state),
1697 LDAP_EXOP_MODIFY_PASSWD)) {
1698 DEBUG(2, ("ldap password change requested, but LDAP "
1699 "server does not support it -- ignoring\n"));
1700 return NT_STATUS_OK;
1701 }
1702 }
1703
1704 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1705 pdb_get_plaintext_passwd(newpwd),
1706 &converted_size))
1707 {
1708 return NT_STATUS_NO_MEMORY;
1709 }
1710
1711 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1712 TALLOC_FREE(utf8_password);
1713 return NT_STATUS_NO_MEMORY;
1714 }
1715
1716 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1717 DEBUG(0,("ber_alloc_t returns NULL\n"));
1718 TALLOC_FREE(utf8_password);
1719 TALLOC_FREE(utf8_dn);
1720 return NT_STATUS_UNSUCCESSFUL;
1721 }
1722
1723 if ((ber_printf (ber, "{") < 0) ||
1724 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1725 utf8_dn) < 0)) {
1726 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1727 "value <0\n"));
1728 ber_free(ber,1);
1729 TALLOC_FREE(utf8_dn);
1730 TALLOC_FREE(utf8_password);
1731 return NT_STATUS_UNSUCCESSFUL;
1732 }
1733
1734 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1735 ret = ber_printf(ber, "ts}",
1736 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1737 utf8_password);
1738 } else {
1739 ret = ber_printf(ber, "}");
1740 }
1741
1742 if (ret < 0) {
1743 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1744 "value <0\n"));
1745 ber_free(ber,1);
1746 TALLOC_FREE(utf8_dn);
1747 TALLOC_FREE(utf8_password);
1748 return NT_STATUS_UNSUCCESSFUL;
1749 }
1750
1751 if ((rc = ber_flatten (ber, &bv))<0) {
1752 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1753 ber_free(ber,1);
1754 TALLOC_FREE(utf8_dn);
1755 TALLOC_FREE(utf8_password);
1756 return NT_STATUS_UNSUCCESSFUL;
1757 }
1758
1759 TALLOC_FREE(utf8_dn);
1760 TALLOC_FREE(utf8_password);
1761 ber_free(ber, 1);
1762
1763 if (!ldap_state->is_nds_ldap) {
1764 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1765 LDAP_EXOP_MODIFY_PASSWD,
1766 bv, NULL, NULL, &retoid,
1767 &retdata);
1768 } else {
1769 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1770 pdb_get_plaintext_passwd(newpwd));
1771 }
1772 if (rc != LDAP_SUCCESS) {
1773 char *ld_error = NULL;
1774
1775 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1776 DEBUG(3, ("Could not set userPassword "
1777 "attribute due to an objectClass "
1778 "violation -- ignoring\n"));
1779 ber_bvfree(bv);
1780 return NT_STATUS_OK;
1781 }
1782
1783 ldap_get_option(
1784 smbldap_get_ldap(ldap_state->smbldap_state),
1785 LDAP_OPT_ERROR_STRING,
1786 &ld_error);
1787 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1788 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1789 SAFE_FREE(ld_error);
1790 ber_bvfree(bv);
1791 #if defined(LDAP_CONSTRAINT_VIOLATION)
1792 if (rc == LDAP_CONSTRAINT_VIOLATION)
1793 return NT_STATUS_PASSWORD_RESTRICTION;
1794 #endif
1795 return NT_STATUS_UNSUCCESSFUL;
1796 } else {
1797 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1798 #ifdef DEBUG_PASSWORD
1799 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1800 #endif
1801 if (retdata)
1802 ber_bvfree(retdata);
1803 if (retoid)
1804 ldap_memfree(retoid);
1805 }
1806 ber_bvfree(bv);
1807 }
1808
1809 if (!mods) {
1810 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1811 /* may be password change below however */
1812 } else {
1813 switch(ldap_op) {
1814 case LDAP_MOD_ADD:
1815 if (ldap_state->is_nds_ldap) {
1816 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1817 "objectclass",
1818 "inetOrgPerson");
1819 } else {
1820 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1821 "objectclass",
1822 LDAP_OBJ_ACCOUNT);
1823 }
1824 rc = smbldap_add(ldap_state->smbldap_state,
1825 dn, mods);
1826 break;
1827 case LDAP_MOD_REPLACE:
1828 rc = smbldap_modify(ldap_state->smbldap_state,
1829 dn ,mods);
1830 break;
1831 default:
1832 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1833 ldap_op));
1834 return NT_STATUS_INVALID_PARAMETER;
1835 }
1836
1837 if (rc!=LDAP_SUCCESS) {
1838 return NT_STATUS_UNSUCCESSFUL;
1839 }
1840 }
1841
1842 return NT_STATUS_OK;
1843 }
1844
1845 /**********************************************************************
1846 Delete entry from LDAP for username.
1847 *********************************************************************/
1848
1849 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1850 struct samu * sam_acct)
1851 {
1852 struct ldapsam_privates *priv =
1853 (struct ldapsam_privates *)my_methods->private_data;
1854 const char *sname;
1855 int rc;
1856 LDAPMessage *msg, *entry;
1857 NTSTATUS result = NT_STATUS_NO_MEMORY;
1858 const char **attr_list;
1859 TALLOC_CTX *mem_ctx;
1860
1861 if (!sam_acct) {
1862 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1863 return NT_STATUS_INVALID_PARAMETER;
1864 }
1865
1866 sname = pdb_get_username(sam_acct);
1867
1868 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1869 "LDAP.\n", sname));
1870
1871 mem_ctx = talloc_new(NULL);
1872 if (mem_ctx == NULL) {
1873 DEBUG(0, ("talloc_new failed\n"));
1874 goto done;
1875 }
1876
1877 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1878 if (attr_list == NULL) {
1879 goto done;
1880 }
1881
1882 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1883
1884 if ((rc != LDAP_SUCCESS) ||
1885 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1886 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1887 DEBUG(5, ("Could not find user %s\n", sname));
1888 result = NT_STATUS_NO_SUCH_USER;
1889 goto done;
1890 }
1891
1892 rc = ldapsam_delete_entry(
1893 priv, mem_ctx, entry,
1894 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1895 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1896 attr_list);
1897
1898 result = (rc == LDAP_SUCCESS) ?
1899 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1900
1901 done:
1902 TALLOC_FREE(mem_ctx);
1903 return result;
1904 }
1905
1906 /**********************************************************************
1907 Update struct samu.
1908 *********************************************************************/
1909
1910 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1911 {
1912 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1913 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1914 int rc = 0;
1915 char *dn;
1916 LDAPMessage *result = NULL;
1917 LDAPMessage *entry = NULL;
1918 LDAPMod **mods = NULL;
1919 const char **attr_list;
1920
1921 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1922 if (!result) {
1923 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1924 if (pdb_get_username(newpwd) == NULL) {
1925 return NT_STATUS_INVALID_PARAMETER;
1926 }
1927 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1928 TALLOC_FREE( attr_list );
1929 if (rc != LDAP_SUCCESS) {
1930 return NT_STATUS_UNSUCCESSFUL;
1931 }
1932 pdb_set_backend_private_data(newpwd, result, NULL,
1933 my_methods, PDB_CHANGED);
1934 smbldap_talloc_autofree_ldapmsg(newpwd, result);
1935 }
1936
1937 if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1938 result) == 0) {
1939 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1940 return NT_STATUS_UNSUCCESSFUL;
1941 }
1942
1943 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1944 result);
1945 dn = smbldap_talloc_dn(talloc_tos(),
1946 smbldap_get_ldap(ldap_state->smbldap_state),
1947 entry);
1948 if (!dn) {
1949 return NT_STATUS_UNSUCCESSFUL;
1950 }
1951
1952 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1953
1954 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1955 pdb_element_is_changed)) {
1956 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1957 TALLOC_FREE(dn);
1958 if (mods != NULL)
1959 ldap_mods_free(mods,True);
1960 return NT_STATUS_UNSUCCESSFUL;
1961 }
1962
1963 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1964 && (mods == NULL)) {
1965 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1966 pdb_get_username(newpwd)));
1967 TALLOC_FREE(dn);
1968 return NT_STATUS_OK;
1969 }
1970
1971 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1972
1973 if (mods != NULL) {
1974 ldap_mods_free(mods,True);
1975 }
1976
1977 TALLOC_FREE(dn);
1978
1979 /*
1980 * We need to set the backend private data to NULL here. For example
1981 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1982 * same one, and with the explicit delete / add logic for attribute
1983 * values the second time we would use the wrong "old" value which
1984 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1985 * the update.
1986 * The existing LDAPMessage is still being auto-freed by the
1987 * destructor.
1988 */
1989 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1990 PDB_CHANGED);
1991
1992 if (!NT_STATUS_IS_OK(ret)) {
1993 return ret;
1994 }
1995
1996 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1997 pdb_get_username(newpwd)));
1998 return NT_STATUS_OK;
1999 }
2000
2001 /***************************************************************************
2002 Renames a struct samu
2003 - The "rename user script" has full responsibility for changing everything
2004 ***************************************************************************/
2005
2006 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2007 TALLOC_CTX *tmp_ctx,
2008 uint32_t group_rid,
2009 uint32_t member_rid);
2010
2011 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2012 TALLOC_CTX *mem_ctx,
2013 struct samu *user,
2014 struct dom_sid **pp_sids,
2015 gid_t **pp_gids,
2016 uint32_t *p_num_groups);
2017
2018 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2019 struct samu *old_acct,
2020 const char *newname)
2021 {
2022 const char *oldname;
2023 int rc;
2024 char *rename_script = NULL;
2025 fstring oldname_lower, newname_lower;
2026
2027 if (!old_acct) {
2028 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2029 return NT_STATUS_INVALID_PARAMETER;
2030 }
2031 if (!newname) {
2032 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2033 return NT_STATUS_INVALID_PARAMETER;
2034 }
2035
2036 oldname = pdb_get_username(old_acct);
2037
2038 /* rename the posix user */
2039 rename_script = lp_rename_user_script(talloc_tos());
2040 if (rename_script == NULL) {
2041 return NT_STATUS_NO_MEMORY;
2042 }
2043
2044 if (!(*rename_script)) {
2045 TALLOC_FREE(rename_script);
2046 return NT_STATUS_ACCESS_DENIED;
2047 }
2048
2049 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2050 oldname, newname));
2051
2052 /* We have to allow the account name to end with a '$'.
2053 Also, follow the semantics in _samr_create_user() and lower case the
2054 posix name but preserve the case in passdb */
2055
2056 fstrcpy( oldname_lower, oldname );
2057 if (!strlower_m( oldname_lower )) {
2058 return NT_STATUS_INVALID_PARAMETER;
2059 }
2060 fstrcpy( newname_lower, newname );
2061 if (!strlower_m( newname_lower )) {
2062 return NT_STATUS_INVALID_PARAMETER;
2063 }
2064
2065 rename_script = realloc_string_sub2(rename_script,
2066 "%unew",
2067 newname_lower,
2068 true,
2069 true);
2070 if (!rename_script) {
2071 return NT_STATUS_NO_MEMORY;
2072 }
2073 rename_script = realloc_string_sub2(rename_script,
2074 "%uold",
2075 oldname_lower,
2076 true,
2077 true);
2078 rc = smbrun(rename_script, NULL, NULL);
2079
2080 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2081 rename_script, rc));
2082
2083 TALLOC_FREE(rename_script);
2084
2085 if (rc == 0) {
2086 smb_nscd_flush_user_cache();
2087 }
2088
2089 if (rc)
2090 return NT_STATUS_UNSUCCESSFUL;
2091
2092 return NT_STATUS_OK;
2093 }
2094
2095 /**********************************************************************
2096 Add struct samu to LDAP.
2097 *********************************************************************/
2098
2099 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2100 {
2101 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2102 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2103 int rc;
2104 LDAPMessage *result = NULL;
2105 LDAPMessage *entry = NULL;
2106 LDAPMod **mods = NULL;
2107 int ldap_op = LDAP_MOD_REPLACE;
2108 uint32_t num_result;
2109 const char **attr_list;
2110 char *escape_user = NULL;
2111 const char *username = pdb_get_username(newpwd);
2112 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2113 char *filter = NULL;
2114 char *dn = NULL;
2115 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2116 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2117
2118 if (!ctx) {
2119 return NT_STATUS_NO_MEMORY;
2120 }
2121
2122 if (!username || !*username) {
2123 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2124 status = NT_STATUS_INVALID_PARAMETER;
2125 goto fn_exit;
2126 }
2127
2128 /* free this list after the second search or in case we exit on failure */
2129 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2130
2131 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2132
2133 if (rc != LDAP_SUCCESS) {
2134 goto fn_exit;
2135 }
2136
2137 if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
2138 result) != 0) {
2139 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2140 username));
2141 goto fn_exit;
2142 }
2143 ldap_msgfree(result);
2144 result = NULL;
2145
2146 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2147 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2148 sid, &result);
2149 if (rc == LDAP_SUCCESS) {
2150 if (ldap_count_entries(
2151 smbldap_get_ldap(
2152 ldap_state->smbldap_state),
2153 result) != 0) {
2154 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2155 "already in the base, with samba "
2156 "attributes\n", sid_string_dbg(sid)));
2157 goto fn_exit;
2158 }
2159 ldap_msgfree(result);
2160 result = NULL;
2161 }
2162 }
2163
2164 /* does the entry already exist but without a samba attributes?
2165 we need to return the samba attributes here */
2166
2167 escape_user = escape_ldap_string(talloc_tos(), username);
2168 filter = talloc_strdup(attr_list, "(uid=%u)");
2169 if (!filter) {
2170 status = NT_STATUS_NO_MEMORY;
2171 goto fn_exit;
2172 }
2173 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2174 TALLOC_FREE(escape_user);
2175 if (!filter) {
2176 status = NT_STATUS_NO_MEMORY;
2177 goto fn_exit;
2178 }
2179
2180 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2181 filter, attr_list, &result);
2182 if ( rc != LDAP_SUCCESS ) {
2183 goto fn_exit;
2184 }
2185
2186 num_result = ldap_count_entries(
2187 smbldap_get_ldap(ldap_state->smbldap_state), result);
2188
2189 if (num_result > 1) {
2190 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2191 goto fn_exit;
2192 }
2193
2194 /* Check if we need to update an existing entry */
2195 if (num_result == 1) {
2196 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2197 ldap_op = LDAP_MOD_REPLACE;
2198 entry = ldap_first_entry(
2199 smbldap_get_ldap(ldap_state->smbldap_state), result);
2200 dn = smbldap_talloc_dn(
2201 ctx, smbldap_get_ldap(ldap_state->smbldap_state),
2202 entry);
2203 if (!dn) {
2204 status = NT_STATUS_NO_MEMORY;
2205 goto fn_exit;
2206 }
2207
2208 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2209
2210 /* There might be a SID for this account already - say an idmap entry */
2211
2212 filter = talloc_asprintf(ctx,
2213 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2214 get_userattr_key2string(ldap_state->schema_ver,
2215 LDAP_ATTR_USER_SID),
2216 sid_string_talloc(ctx, sid),
2217 LDAP_OBJ_IDMAP_ENTRY,
2218 LDAP_OBJ_SID_ENTRY);
2219 if (!filter) {
2220 status = NT_STATUS_NO_MEMORY;
2221 goto fn_exit;
2222 }
2223
2224 /* free old result before doing a new search */
2225 if (result != NULL) {
2226 ldap_msgfree(result);
2227 result = NULL;
2228 }
2229 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2230 filter, attr_list, &result);
2231
2232 if ( rc != LDAP_SUCCESS ) {
2233 goto fn_exit;
2234 }
2235
2236 num_result = ldap_count_entries(
2237 smbldap_get_ldap(ldap_state->smbldap_state), result);
2238
2239 if (num_result > 1) {
2240 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2241 goto fn_exit;
2242 }
2243
2244 /* Check if we need to update an existing entry */
2245 if (num_result == 1) {
2246
2247 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2248 ldap_op = LDAP_MOD_REPLACE;
2249 entry = ldap_first_entry (
2250 smbldap_get_ldap(ldap_state->smbldap_state),
2251 result);
2252 dn = smbldap_talloc_dn (
2253 ctx,
2254 smbldap_get_ldap(ldap_state->smbldap_state),
2255 entry);
2256 if (!dn) {
2257 status = NT_STATUS_NO_MEMORY;
2258 goto fn_exit;
2259 }
2260 }
2261 }
2262
2263 if (num_result == 0) {
2264 char *escape_username;
2265 /* Check if we need to add an entry */
2266 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2267 ldap_op = LDAP_MOD_ADD;
2268
2269 escape_username = escape_rdn_val_string_alloc(username);
2270 if (!escape_username) {
2271 status = NT_STATUS_NO_MEMORY;
2272 goto fn_exit;
2273 }
2274
2275 if (username[strlen(username)-1] == '$') {
2276 dn = talloc_asprintf(ctx,
2277 "uid=%s,%s",
2278 escape_username,
2279 lp_ldap_machine_suffix(talloc_tos()));
2280 } else {
2281 dn = talloc_asprintf(ctx,
2282 "uid=%s,%s",
2283 escape_username,
2284 lp_ldap_user_suffix(talloc_tos()));
2285 }
2286
2287 SAFE_FREE(escape_username);
2288 if (!dn) {
2289 status = NT_STATUS_NO_MEMORY;
2290 goto fn_exit;
2291 }
2292 }
2293
2294 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2295 pdb_element_is_set_or_changed)) {
2296 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2297 if (mods != NULL) {
2298 ldap_mods_free(mods, true);
2299 }
2300 goto fn_exit;
2301 }
2302
2303 if (mods == NULL) {
2304 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2305 goto fn_exit;
2306 }
2307 switch ( ldap_state->schema_ver ) {
2308 case SCHEMAVER_SAMBASAMACCOUNT:
2309 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2310 break;
2311 default:
2312 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2313 break;
2314 }
2315
2316 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2317 if (!NT_STATUS_IS_OK(ret)) {
2318 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2319 pdb_get_username(newpwd),dn));
2320 ldap_mods_free(mods, true);
2321 goto fn_exit;
2322 }
2323
2324 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2325 ldap_mods_free(mods, true);
2326
2327 status = NT_STATUS_OK;
2328
2329 fn_exit:
2330
2331 TALLOC_FREE(ctx);
2332 if (result) {
2333 ldap_msgfree(result);
2334 }
2335 return status;
2336 }
2337
2338 /**********************************************************************
2339 *********************************************************************/
2340
2341 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2342 const char *filter,
2343 LDAPMessage ** result)
2344 {
2345 int scope = LDAP_SCOPE_SUBTREE;
2346 int rc;
2347 const char **attr_list;
2348
2349 attr_list = get_attr_list(NULL, groupmap_attr_list);
2350 rc = smbldap_search(ldap_state->smbldap_state,
2351 lp_ldap_suffix (talloc_tos()), scope,
2352 filter, attr_list, 0, result);
2353 TALLOC_FREE(attr_list);
2354
2355 return rc;
2356 }
2357
2358 /**********************************************************************
2359 *********************************************************************/
2360
2361 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2362 GROUP_MAP *map, LDAPMessage *entry)
2363 {
2364 char *temp = NULL;
2365 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2366
2367 if (ldap_state == NULL || map == NULL || entry == NULL ||
2368 smbldap_get_ldap(ldap_state->smbldap_state) == NULL) {
2369 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2370 TALLOC_FREE(ctx);
2371 return false;
2372 }
2373
2374 temp = smbldap_talloc_single_attribute(
2375 smbldap_get_ldap(ldap_state->smbldap_state),
2376 entry,
2377 get_attr_key2string(groupmap_attr_list,
2378 LDAP_ATTR_GIDNUMBER),
2379 ctx);
2380 if (!temp) {
2381 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2382 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2383 TALLOC_FREE(ctx);
2384 return false;
2385 }
2386 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2387
2388 map->gid = (gid_t)atol(temp);
2389
2390 TALLOC_FREE(temp);
2391 temp = smbldap_talloc_single_attribute(
2392 smbldap_get_ldap(ldap_state->smbldap_state),
2393 entry,
2394 get_attr_key2string(groupmap_attr_list,
2395 LDAP_ATTR_GROUP_SID),
2396 ctx);
2397 if (!temp) {
2398 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2399 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2400 TALLOC_FREE(ctx);
2401 return false;
2402 }
2403
2404 if (!string_to_sid(&map->sid, temp)) {
2405 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2406 TALLOC_FREE(ctx);
2407 return false;
2408 }
2409
2410 TALLOC_FREE(temp);
2411 temp = smbldap_talloc_single_attribute(
2412 smbldap_get_ldap(ldap_state->smbldap_state),
2413 entry,
2414 get_attr_key2string(groupmap_attr_list,
2415 LDAP_ATTR_GROUP_TYPE),
2416 ctx);
2417 if (!temp) {
2418 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2419 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2420 TALLOC_FREE(ctx);
2421 return false;
2422 }
2423 map->sid_name_use = (enum lsa_SidType)atol(temp);
2424
2425 if ((map->sid_name_use < SID_NAME_USER) ||
2426 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2427 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2428 TALLOC_FREE(ctx);
2429 return false;
2430 }
2431
2432 TALLOC_FREE(temp);
2433 temp = smbldap_talloc_single_attribute(
2434 smbldap_get_ldap(ldap_state->smbldap_state),
2435 entry,
2436 get_attr_key2string(groupmap_attr_list,
2437 LDAP_ATTR_DISPLAY_NAME),
2438 ctx);
2439 if (!temp) {
2440 temp = smbldap_talloc_single_attribute(
2441 smbldap_get_ldap(ldap_state->smbldap_state),
2442 entry,
2443 get_attr_key2string(groupmap_attr_list,
2444 LDAP_ATTR_CN),
2445 ctx);
2446 if (!temp) {
2447 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2448 for gidNumber(%lu)\n",(unsigned long)map->gid));
2449 TALLOC_FREE(ctx);
2450 return false;
2451 }
2452 }
2453 map->nt_name = talloc_strdup(map, temp);
2454 if (!map->nt_name) {
2455 TALLOC_FREE(ctx);
2456 return false;
2457 }
2458
2459 TALLOC_FREE(temp);
2460 temp = smbldap_talloc_single_attribute(
2461 smbldap_get_ldap(ldap_state->smbldap_state),
2462 entry,
2463 get_attr_key2string(groupmap_attr_list,
2464 LDAP_ATTR_DESC),
2465 ctx);
2466 if (!temp) {
2467 temp = talloc_strdup(ctx, "");
2468 if (!temp) {
2469 TALLOC_FREE(ctx);
2470 return false;
2471 }
2472 }
2473 map->comment = talloc_strdup(map, temp);
2474 if (!map->comment) {
2475 TALLOC_FREE(ctx);
2476 return false;
2477 }
2478
2479 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2480 struct unixid id;
2481 id.id = map->gid;
2482 id.type = ID_TYPE_GID;
2483
2484 idmap_cache_set_sid2unixid(&map->sid, &id);
2485 }
2486
2487 TALLOC_FREE(ctx);
2488 return true;
2489 }
2490
2491 /**********************************************************************
2492 *********************************************************************/
2493
2494 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2495 const char *filter,
2496 GROUP_MAP *map)
2497 {
2498 struct ldapsam_privates *ldap_state =
2499 (struct ldapsam_privates *)methods->private_data;
2500 LDAPMessage *result = NULL;
2501 LDAPMessage *entry = NULL;
2502 int count;
2503
2504 if (ldapsam_search_one_group(ldap_state, filter, &result)
2505 != LDAP_SUCCESS) {
2506 return NT_STATUS_NO_SUCH_GROUP;
2507 }
2508
2509 count = ldap_count_entries(priv2ld(ldap_state), result);
2510
2511 if (count < 1) {
2512 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2513 "%s\n", filter));
2514 ldap_msgfree(result);
2515 return NT_STATUS_NO_SUCH_GROUP;
2516 }
2517
2518 if (count > 1) {
2519 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2520 "count=%d\n", filter, count));
2521 ldap_msgfree(result);
2522 return NT_STATUS_NO_SUCH_GROUP;
2523 }
2524
2525 entry = ldap_first_entry(priv2ld(ldap_state), result);
2526
2527 if (!entry) {
2528 ldap_msgfree(result);
2529 return NT_STATUS_UNSUCCESSFUL;
2530 }
2531
2532 if (!init_group_from_ldap(ldap_state, map, entry)) {
2533 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2534 "group filter %s\n", filter));
2535 ldap_msgfree(result);
2536 return NT_STATUS_NO_SUCH_GROUP;
2537 }
2538
2539 ldap_msgfree(result);
2540 return NT_STATUS_OK;
2541 }
2542
2543 /**********************************************************************
2544 *********************************************************************/
2545
2546 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2547 struct dom_sid sid)
2548 {
2549 char *filter = NULL;
2550 NTSTATUS status;
2551 fstring tmp;
2552
2553 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2554 LDAP_OBJ_GROUPMAP,
2555 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2556 sid_to_fstring(tmp, &sid)) < 0) {
2557 return NT_STATUS_NO_MEMORY;
2558 }
2559
2560 status = ldapsam_getgroup(methods, filter, map);
2561 SAFE_FREE(filter);
2562 return status;
2563 }
2564
2565 /**********************************************************************
2566 *********************************************************************/
2567
2568 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2569 gid_t gid)
2570 {
2571 char *filter = NULL;
2572 NTSTATUS status;
2573
2574 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2575 LDAP_OBJ_GROUPMAP,
2576 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2577 (unsigned long)gid) < 0) {
2578 return NT_STATUS_NO_MEMORY;
2579 }
2580
2581 status = ldapsam_getgroup(methods, filter, map);
2582 SAFE_FREE(filter);
2583 return status;
2584 }
2585
2586 /**********************************************************************
2587 *********************************************************************/
2588
2589 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2590 const char *name)
2591 {
2592 char *filter = NULL;
2593 char *escape_name = escape_ldap_string(talloc_tos(), name);
2594 NTSTATUS status;
2595
2596 if (!escape_name) {
2597 return NT_STATUS_NO_MEMORY;
2598 }
2599
2600 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2601 LDAP_OBJ_GROUPMAP,
2602 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2603 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2604 escape_name) < 0) {
2605 TALLOC_FREE(escape_name);
2606 return NT_STATUS_NO_MEMORY;
2607 }
2608
2609 TALLOC_FREE(escape_name);
2610 status = ldapsam_getgroup(methods, filter, map);
2611 SAFE_FREE(filter);
2612 return status;
2613 }
2614
2615 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2616 LDAPMessage *entry,
2617 const struct dom_sid *domain_sid,
2618 uint32_t *rid)
2619 {
2620 fstring str;
2621 struct dom_sid sid;
2622
2623 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2624 str, sizeof(str)-1)) {
2625 DEBUG(10, ("Could not find sambaSID attribute\n"));
2626 return False;
2627 }
2628
2629 if (!string_to_sid(&sid, str)) {
2630 DEBUG(10, ("Could not convert string %s to sid\n", str));
2631 return False;
2632 }
2633
2634 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2635 DEBUG(10, ("SID %s is not in expected domain %s\n",
2636 str, sid_string_dbg(domain_sid)));
2637 return False;
2638 }
2639
2640 if (!sid_peek_rid(&sid, rid)) {
2641 DEBUG(10, ("Could not peek into RID\n"));
2642 return False;
2643 }
2644
2645 return True;
2646 }
2647
2648 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2649 TALLOC_CTX *mem_ctx,
2650 const struct dom_sid *group,
2651 uint32_t **pp_member_rids,
2652 size_t *p_num_members)
2653 {
2654 struct ldapsam_privates *ldap_state =
2655 (struct ldapsam_privates *)methods->private_data;
2656 struct smbldap_state *conn = ldap_state->smbldap_state;
2657 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2658 const char *sid_attrs[] = { "sambaSID", NULL };
2659 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2660 LDAPMessage *result = NULL;
2661 LDAPMessage *entry;
2662 char *filter;
2663 char **values = NULL;
2664 char **memberuid;
2665 char *gidstr;
2666 int rc, count;
2667
2668 *pp_member_rids = NULL;
2669 *p_num_members = 0;
2670
2671 filter = talloc_asprintf(mem_ctx,
2672 "(&(objectClass=%s)"
2673 "(objectClass=%s)"
2674 "(sambaSID=%s))",
2675 LDAP_OBJ_POSIXGROUP,
2676 LDAP_OBJ_GROUPMAP,
2677 sid_string_talloc(mem_ctx, group));
2678 if (filter == NULL) {
2679 ret = NT_STATUS_NO_MEMORY;
2680 goto done;
2681 }
2682
2683 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2684 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2685 &result);
2686
2687 if (rc != LDAP_SUCCESS)
2688 goto done;
2689
2690 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2691
2692 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2693
2694 if (count > 1) {
2695 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2696 sid_string_dbg(group)));
2697 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2698 goto done;
2699 }
2700
2701 if (count == 0) {
2702 ret = NT_STATUS_NO_SUCH_GROUP;
2703 goto done;
2704 }
2705
2706 entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2707 if (entry == NULL)
2708 goto done;
2709
2710 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2711 if (!gidstr) {
2712 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2713 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2714 goto done;
2715 }
2716
2717 values = ldap_get_values(smbldap_get_ldap(conn), entry, "memberUid");
2718
2719 if ((values != NULL) && (values[0] != NULL)) {
2720
2721 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2722 if (filter == NULL) {
2723 ret = NT_STATUS_NO_MEMORY;
2724 goto done;
2725 }
2726
2727 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2728 char *escape_memberuid;
2729
2730 escape_memberuid = escape_ldap_string(talloc_tos(),
2731 *memberuid);
2732 if (escape_memberuid == NULL) {
2733 ret = NT_STATUS_NO_MEMORY;
2734 goto done;
2735 }
2736
2737 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2738 TALLOC_FREE(escape_memberuid);
2739 if (filter == NULL) {
2740 ret = NT_STATUS_NO_MEMORY;
2741 goto done;
2742 }
2743 }
2744
2745 filter = talloc_asprintf_append_buffer(filter, "))");
2746 if (filter == NULL) {
2747 ret = NT_STATUS_NO_MEMORY;
2748 goto done;
2749 }
2750
2751 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2752 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2753 &result);
2754
2755 if (rc != LDAP_SUCCESS)
2756 goto done;
2757
2758 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2759 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2760
2761 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2762
2763 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2764 entry != NULL;
2765 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2766 {
2767 char *sidstr;
2768 struct dom_sid sid;
2769 uint32_t rid;
2770
2771 sidstr = smbldap_talloc_single_attribute(
2772 smbldap_get_ldap(conn), entry, "sambaSID",
2773 mem_ctx);
2774 if (!sidstr) {
2775 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2776 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2777 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2778 goto done;
2779 }
2780
2781 if (!string_to_sid(&sid, sidstr))
2782 goto done;
2783
2784 if (!sid_check_is_in_our_sam(&sid)) {
2785 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2786 "in our domain\n"));
2787 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2788 goto done;
2789 }
2790
2791 sid_peek_rid(&sid, &rid);
2792
2793 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2794 p_num_members)) {
2795 ret = NT_STATUS_NO_MEMORY;
2796 goto done;
2797 }
2798 }
2799 }
2800
2801 filter = talloc_asprintf(mem_ctx,
2802 "(&(objectClass=%s)"
2803 "(gidNumber=%s))",
2804 LDAP_OBJ_SAMBASAMACCOUNT,
2805 gidstr);
2806
2807 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2808 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2809 &result);
2810
2811 if (rc != LDAP_SUCCESS)
2812 goto done;
2813
2814 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2815
2816 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2817 entry != NULL;
2818 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2819 {
2820 uint32_t rid;
2821
2822 if (!ldapsam_extract_rid_from_entry(smbldap_get_ldap(conn),
2823 entry,
2824 get_global_sam_sid(),
2825 &rid)) {
2826 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2827 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2828 goto done;
2829 }
2830
2831 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2832 p_num_members)) {
2833 ret = NT_STATUS_NO_MEMORY;
2834 goto done;
2835 }
2836 }
2837
2838 ret = NT_STATUS_OK;
2839
2840 done:
2841
2842 if (values)
2843 ldap_value_free(values);
2844
2845 return ret;
2846 }
2847
2848 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2849 TALLOC_CTX *mem_ctx,
2850 struct samu *user,
2851 struct dom_sid **pp_sids,
2852 gid_t **pp_gids,
2853 uint32_t *p_num_groups)
2854 {
2855 struct ldapsam_privates *ldap_state =
2856 (struct ldapsam_privates *)methods->private_data;
2857 struct smbldap_state *conn = ldap_state->smbldap_state;
2858 char *filter;
2859 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2860 char *escape_name;
2861 int rc, count;
2862 LDAPMessage *result = NULL;
2863 LDAPMessage *entry;
2864 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2865 uint32_t num_sids;
2866 uint32_t num_gids;
2867 char *gidstr;
2868 gid_t primary_gid = -1;
2869
2870 *pp_sids = NULL;
2871 num_sids = 0;
2872
2873 if (pdb_get_username(user) == NULL) {
2874 return NT_STATUS_INVALID_PARAMETER;
2875 }
2876
2877 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2878 if (escape_name == NULL)
2879 return NT_STATUS_NO_MEMORY;
2880
2881 if (user->unix_pw) {
2882 primary_gid = user->unix_pw->pw_gid;
2883 } else {
2884 /* retrieve the users primary gid */
2885 filter = talloc_asprintf(mem_ctx,
2886 "(&(objectClass=%s)(uid=%s))",
2887 LDAP_OBJ_SAMBASAMACCOUNT,
2888 escape_name);
2889 if (filter == NULL) {
2890 ret = NT_STATUS_NO_MEMORY;
2891 goto done;
2892 }
2893
2894 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2895 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2896
2897 if (rc != LDAP_SUCCESS)
2898 goto done;
2899
2900 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2901
2902 count = ldap_count_entries(priv2ld(ldap_state), result);
2903
2904 switch (count) {
2905 case 0:
2906 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2907 ret = NT_STATUS_NO_SUCH_USER;
2908 goto done;
2909 case 1:
2910 entry = ldap_first_entry(priv2ld(ldap_state), result);
2911
2912 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2913 if (!gidstr) {
2914 DEBUG (1, ("Unable to find the member's gid!\n"));
2915 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2916 goto done;
2917 }
2918 primary_gid = strtoul(gidstr, NULL, 10);
2919 break;
2920 default:
2921 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2922 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2923 goto done;
2924 }
2925 }
2926
2927 filter = talloc_asprintf(mem_ctx,
2928 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2929 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2930 if (filter == NULL) {
2931 ret = NT_STATUS_NO_MEMORY;
2932 goto done;
2933 }
2934
2935 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2936 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2937
2938 if (rc != LDAP_SUCCESS)
2939 goto done;
2940
2941 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2942
2943 num_gids = 0;
2944 *pp_gids = NULL;
2945
2946 num_sids = 0;
2947 *pp_sids = NULL;
2948
2949 /* We need to add the primary group as the first gid/sid */
2950
2951 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2952 ret = NT_STATUS_NO_MEMORY;
2953 goto done;
2954 }
2955
2956 /* This sid will be replaced later */
2957
2958 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2959 &num_sids);
2960 if (!NT_STATUS_IS_OK(ret)) {
2961 goto done;
2962 }
2963
2964 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2965 entry != NULL;
2966 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2967 {
2968 fstring str;
2969 struct dom_sid sid;
2970 gid_t gid;
2971 char *end;
2972
2973 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
2974 entry, "sambaSID",
2975 str, sizeof(str)-1))
2976 continue;
2977
2978 if (!string_to_sid(&sid, str))
2979 goto done;
2980
2981 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
2982 entry, "gidNumber",
2983 str, sizeof(str)-1))
2984 continue;
2985
2986 gid = strtoul(str, &end, 10);
2987
2988 if (PTR_DIFF(end, str) != strlen(str))
2989 goto done;
2990
2991 if (gid == primary_gid) {
2992 sid_copy(&(*pp_sids)[0], &sid);
2993 } else {
2994 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2995 &num_gids)) {
2996 ret = NT_STATUS_NO_MEMORY;
2997 goto done;
2998 }
2999 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3000 &num_sids);
3001 if (!NT_STATUS_IS_OK(ret)) {
3002 goto done;
3003 }
3004 }
3005 }
3006
3007 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3008 DEBUG(3, ("primary group of [%s] not found\n",
3009 pdb_get_username(user)));
3010 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
3011 goto done;
3012 }
3013
3014 *p_num_groups = num_sids;
3015
3016 ret = NT_STATUS_OK;
3017
3018 done:
3019
3020 TALLOC_FREE(escape_name);
3021 return ret;
3022 }
3023
3024 /**********************************************************************
3025 * Augment a posixGroup object with a sambaGroupMapping domgroup
3026 *********************************************************************/
3027
3028 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3029 struct ldapsam_privates *ldap_state,
3030 GROUP_MAP *map)
3031 {
3032 const char *filter, *dn;
3033 LDAPMessage *msg, *entry;
3034 LDAPMod **mods;
3035 int rc;
3036
3037 filter = talloc_asprintf(mem_ctx,
3038 "(&(objectClass=%s)(gidNumber=%u))",
3039 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3040 if (filter == NULL) {
3041 return NT_STATUS_NO_MEMORY;
3042 }
3043
3044 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3045 get_attr_list(mem_ctx, groupmap_attr_list),
3046 &msg);
3047 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3048
3049 if ((rc != LDAP_SUCCESS) ||
3050 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3051 msg) != 1) ||
3052 ((entry = ldap_first_entry(
3053 smbldap_get_ldap(ldap_state->smbldap_state),
3054 msg)) == NULL)) {
3055 return NT_STATUS_NO_SUCH_GROUP;
3056 }
3057
3058 dn = smbldap_talloc_dn(mem_ctx,
3059 smbldap_get_ldap(ldap_state->smbldap_state),
3060 entry);
3061 if (dn == NULL) {
3062 return NT_STATUS_NO_MEMORY;
3063 }
3064
3065 mods = NULL;
3066 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3067 LDAP_OBJ_GROUPMAP);
3068 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3069 &mods, "sambaSid",
3070 sid_string_talloc(mem_ctx, &map->sid));
3071 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3072 &mods, "sambaGroupType",
3073 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3074 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3075 &mods, "displayName",
3076 map->nt_name);
3077 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3078 &mods, "description",
3079 map->comment);
3080 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3081
3082 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3083 if (rc != LDAP_SUCCESS) {
3084 return NT_STATUS_ACCESS_DENIED;
3085 }
3086
3087 return NT_STATUS_OK;
3088 }
3089
3090 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3091 GROUP_MAP *map)
3092 {
3093 struct ldapsam_privates *ldap_state =
3094 (struct ldapsam_privates *)methods->private_data;
3095 LDAPMessage *msg = NULL;
3096 LDAPMod **mods = NULL;
3097 const char *attrs[] = { NULL };
3098 char *filter;
3099
3100 char *dn;
3101 TALLOC_CTX *mem_ctx;
3102 NTSTATUS result;
3103
3104 struct dom_sid sid;
3105 struct unixid id;
3106
3107 int rc;
3108
3109 mem_ctx = talloc_new(NULL);
3110 if (mem_ctx == NULL) {
3111 DEBUG(0, ("talloc_new failed\n"));
3112 return NT_STATUS_NO_MEMORY;
3113 }
3114
3115 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3116 sid_string_talloc(mem_ctx, &map->sid));
3117 if (filter == NULL) {
3118 result = NT_STATUS_NO_MEMORY;
3119 goto done;
3120 }
3121
3122 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3123 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3124 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3125
3126 if ((rc == LDAP_SUCCESS) &&
3127 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3128 msg) > 0)) {
3129
3130 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3131 "group mapping entry\n", sid_string_dbg(&map->sid)));
3132 result = NT_STATUS_GROUP_EXISTS;
3133 goto done;
3134 }
3135
3136 switch (map->sid_name_use) {
3137
3138 case SID_NAME_DOM_GRP:
3139 /* To map a domain group we need to have a posix group
3140 to attach to. */
3141 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3142 goto done;
3143 break;
3144
3145 case SID_NAME_ALIAS:
3146 if (!sid_check_is_in_our_sam(&map->sid)
3147 && !sid_check_is_in_builtin(&map->sid) )
3148 {
3149 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3150 sid_string_dbg(&map->sid)));
3151 result = NT_STATUS_INVALID_PARAMETER;
3152 goto done;
3153 }
3154 break;
3155
3156 default:
3157 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3158 sid_type_lookup(map->sid_name_use)));
3159 result = NT_STATUS_INVALID_PARAMETER;
3160 goto done;
3161 }
3162
3163 /* Domain groups have been mapped in a separate routine, we have to
3164 * create an alias now */
3165
3166 if (map->gid == -1) {
3167 DEBUG(10, ("Refusing to map gid==-1\n"));
3168 result = NT_STATUS_INVALID_PARAMETER;
3169 goto done;
3170 }
3171
3172 id.id = map->gid;
3173 id.type = ID_TYPE_GID;
3174
3175 if (pdb_id_to_sid(&id, &sid)) {
3176 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3177 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3178 result = NT_STATUS_GROUP_EXISTS;
3179 goto done;
3180 }
3181
3182 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3183 * the best we can get out of LDAP. */
3184
3185 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3186 sid_string_talloc(mem_ctx, &map->sid),
3187 lp_ldap_group_suffix(talloc_tos()));
3188 if (dn == NULL) {
3189 result = NT_STATUS_NO_MEMORY;
3190 goto done;
3191 }
3192
3193 mods = NULL;
3194
3195 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3196 &mods, "objectClass", LDAP_OBJ_SID_ENTRY);
3197 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3198 &mods, "objectClass", LDAP_OBJ_GROUPMAP);
3199 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3200 &mods, "sambaSid",
3201 sid_string_talloc(mem_ctx, &map->sid));
3202 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3203 &mods, "sambaGroupType",
3204 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3205 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3206 &mods, "displayName",
3207 map->nt_name);
3208 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3209 &mods, "description",
3210 map->comment);
3211 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3212 &mods, "gidNumber",
3213 talloc_asprintf(mem_ctx, "%u",
3214 (unsigned int)map->gid));
3215 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3216
3217 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3218
3219 result = (rc == LDAP_SUCCESS) ?
3220 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3221
3222 done:
3223 TALLOC_FREE(mem_ctx);
3224 return result;
3225 }
3226
3227 /**********************************************************************
3228 * Update a group mapping entry. We're quite strict about what can be changed:
3229 * Only the description and displayname may be changed. It simply does not
3230 * make any sense to change the SID, gid or the type in a mapping.
3231 *********************************************************************/
3232
3233 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3234 GROUP_MAP *map)
3235 {
3236 struct ldapsam_privates *ldap_state =
3237 (struct ldapsam_privates *)methods->private_data;
3238 int rc;
3239 const char *filter, *dn;
3240 LDAPMessage *msg = NULL;
3241 LDAPMessage *entry = NULL;
3242 LDAPMod **mods = NULL;
3243 TALLOC_CTX *mem_ctx;
3244 NTSTATUS result;
3245
3246 mem_ctx = talloc_new(NULL);
3247 if (mem_ctx == NULL) {
3248 DEBUG(0, ("talloc_new failed\n"));
3249 return NT_STATUS_NO_MEMORY;
3250 }
3251
3252 /* Make 100% sure that sid, gid and type are not changed by looking up
3253 * exactly the values we're given in LDAP. */
3254
3255 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3256 "(sambaSid=%s)(gidNumber=%u)"
3257 "(sambaGroupType=%d))",
3258 LDAP_OBJ_GROUPMAP,
3259 sid_string_talloc(mem_ctx, &map->sid),
3260 (unsigned int)map->gid, map->sid_name_use);
3261 if (filter == NULL) {
3262 result = NT_STATUS_NO_MEMORY;
3263 goto done;
3264 }
3265
3266 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3267 get_attr_list(mem_ctx, groupmap_attr_list),
3268 &msg);
3269 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3270
3271 if ((rc != LDAP_SUCCESS) ||
3272 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3273 msg) != 1) ||
3274 ((entry = ldap_first_entry(
3275 smbldap_get_ldap(ldap_state->smbldap_state),
3276 msg)) == NULL)) {
3277 result = NT_STATUS_NO_SUCH_GROUP;
3278 goto done;
3279 }
3280
3281 dn = smbldap_talloc_dn(
3282 mem_ctx, smbldap_get_ldap(ldap_state->smbldap_state), entry);
3283
3284 if (dn == NULL) {
3285 result = NT_STATUS_NO_MEMORY;
3286 goto done;
3287 }
3288
3289 mods = NULL;
3290 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3291 &mods, "displayName", map->nt_name);
3292 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3293 &mods, "description", map->comment);
3294 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3295
3296 if (mods == NULL) {
3297 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3298 "nothing to do\n"));
3299 result = NT_STATUS_OK;
3300 goto done;
3301 }
3302
3303 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3304
3305 if (rc != LDAP_SUCCESS) {
3306 result = NT_STATUS_ACCESS_DENIED;
3307 goto done;
3308 }
3309
3310 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3311 "group %lu in LDAP\n", (unsigned long)map->gid));
3312
3313 result = NT_STATUS_OK;
3314
3315 done:
3316 TALLOC_FREE(mem_ctx);
3317 return result;
3318 }
3319
3320 /**********************************************************************
3321 *********************************************************************/
3322
3323 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3324 struct dom_sid sid)
3325 {
3326 struct ldapsam_privates *priv =
3327 (struct ldapsam_privates *)methods->private_data;
3328 LDAPMessage *msg, *entry;
3329 int rc;
3330 NTSTATUS result;
3331 TALLOC_CTX *mem_ctx;
3332 char *filter;
3333
3334 mem_ctx = talloc_new(NULL);
3335 if (mem_ctx == NULL) {
3336 DEBUG(0, ("talloc_new failed\n"));
3337 return NT_STATUS_NO_MEMORY;
3338 }
3339
3340 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3341 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3342 sid_string_talloc(mem_ctx, &sid));
3343 if (filter == NULL) {
3344 result = NT_STATUS_NO_MEMORY;
3345 goto done;
3346 }
3347 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3348 get_attr_list(mem_ctx, groupmap_attr_list),
3349 &msg);
3350 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3351
3352 if ((rc != LDAP_SUCCESS) ||
3353 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3354 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3355 result = NT_STATUS_NO_SUCH_GROUP;
3356 goto done;
3357 }
3358
3359 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3360 get_attr_list(mem_ctx,
3361 groupmap_attr_list_to_delete));
3362
3363 if ((rc == LDAP_NAMING_VIOLATION) ||
3364 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3365 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3366 const char *attrs[] = { "sambaGroupType", "description",
3367 "displayName", "sambaSIDList",
3368 NULL };
3369
3370 /* Second try. Don't delete the sambaSID attribute, this is
3371 for "old" entries that are tacked on a winbind
3372 sambaIdmapEntry. */
3373
3374 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3375 LDAP_OBJ_GROUPMAP, attrs);
3376 }
3377
3378 if ((rc == LDAP_NAMING_VIOLATION) ||
3379 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3380 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3381 const char *attrs[] = { "sambaGroupType", "description",
3382 "displayName", "sambaSIDList",
3383 "gidNumber", NULL };
3384
3385 /* Third try. This is a post-3.0.21 alias (containing only
3386 * sambaSidEntry and sambaGroupMapping classes), we also have
3387 * to delete the gidNumber attribute, only the sambaSidEntry
3388 * remains */
3389
3390 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3391 LDAP_OBJ_GROUPMAP, attrs);
3392 }
3393
3394 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3395
3396 done:
3397 TALLOC_FREE(mem_ctx);
3398 return result;
3399 }
3400
3401 /**********************************************************************
3402 *********************************************************************/
3403
3404 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3405 bool update)
3406 {
3407 struct ldapsam_privates *ldap_state =
3408 (struct ldapsam_privates *)my_methods->private_data;
3409 char *filter = NULL;
3410 int rc;
3411 const char **attr_list;
3412
3413 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3414 if (!filter) {
3415 return NT_STATUS_NO_MEMORY;
3416 }
3417 attr_list = get_attr_list( NULL, groupmap_attr_list );
3418 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3419 LDAP_SCOPE_SUBTREE, filter,
3420 attr_list, 0, &ldap_state->result);
3421 TALLOC_FREE(attr_list);
3422
3423 if (rc != LDAP_SUCCESS) {
3424 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3425 ldap_err2string(rc)));
3426 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3427 lp_ldap_suffix(talloc_tos()), filter));
3428 ldap_msgfree(ldap_state->result);
3429 ldap_state->result = NULL;
3430 TALLOC_FREE(filter);
3431 return NT_STATUS_UNSUCCESSFUL;
3432 }
3433
3434 TALLOC_FREE(filter);
3435
3436 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3437 ldap_count_entries(
3438 smbldap_get_ldap(ldap_state->smbldap_state),
3439 ldap_state->result)));
3440
3441 ldap_state->entry =
3442 ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3443 ldap_state->result);
3444 ldap_state->index = 0;
3445
3446 return NT_STATUS_OK;
3447 }
3448
3449 /**********************************************************************
3450 *********************************************************************/
3451
3452 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3453 {
3454 ldapsam_endsampwent(my_methods);
3455 }
3456
3457 /**********************************************************************
3458 *********************************************************************/
3459
3460 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3461 GROUP_MAP *map)
3462 {
3463 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3464 struct ldapsam_privates *ldap_state =
3465 (struct ldapsam_privates *)my_methods->private_data;
3466 bool bret = False;
3467
3468 while (!bret) {
3469 if (!ldap_state->entry)
3470 return ret;
3471
3472 ldap_state->index++;
3473 bret = init_group_from_ldap(ldap_state, map,
3474 ldap_state->entry);
3475
3476 ldap_state->entry = ldap_next_entry(
3477 smbldap_get_ldap(ldap_state->smbldap_state),
3478 ldap_state->entry);
3479 }
3480
3481 return NT_STATUS_OK;
3482 }
3483
3484 /**********************************************************************
3485 *********************************************************************/
3486
3487 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3488 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3489 GROUP_MAP ***pp_rmap,
3490 size_t *p_num_entries,
3491 bool unix_only)
3492 {
3493 GROUP_MAP *map = NULL;
3494 size_t entries = 0;
3495
3496 *p_num_entries = 0;
3497 *pp_rmap = NULL;
3498
3499 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3500 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3501 "passdb\n"));
3502 return NT_STATUS_ACCESS_DENIED;
3503 }
3504
3505 while (true) {
3506
3507 map = talloc_zero(NULL, GROUP_MAP);
3508 if (!map) {
3509 return NT_STATUS_NO_MEMORY;
3510 }
3511
3512 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3513 TALLOC_FREE(map);
3514 break;
3515 }
3516
3517 if (sid_name_use != SID_NAME_UNKNOWN &&
3518 sid_name_use != map->sid_name_use) {
3519 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3520 "not of the requested type\n",
3521 map->nt_name));
3522 continue;
3523 }
3524 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3525 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3526 "non mapped\n", map->nt_name));
3527 continue;
3528 }
3529
3530 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3531 GROUP_MAP *, entries + 1);
3532 if (!(*pp_rmap)) {
3533 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3534 "enlarge group map!\n"));
3535 return NT_STATUS_UNSUCCESSFUL;
3536 }
3537
3538 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3539
3540 entries += 1;
3541 }
3542
3543 ldapsam_endsamgrent(methods);
3544
3545 *p_num_entries = entries;
3546
3547 return NT_STATUS_OK;
3548 }
3549
3550 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3551 const struct dom_sid *alias,
3552 const struct dom_sid *member,
3553 int modop)
3554 {
3555 struct ldapsam_privates *ldap_state =
3556 (struct ldapsam_privates *)methods->private_data;
3557 char *dn = NULL;
3558 LDAPMessage *result = NULL;
3559 LDAPMessage *entry = NULL;
3560 int count;
3561 LDAPMod **mods = NULL;
3562 int rc;
3563 enum lsa_SidType type = SID_NAME_USE_NONE;
3564 fstring tmp;
3565
3566 char *filter = NULL;
3567
3568 if (sid_check_is_in_builtin(alias)) {
3569 type = SID_NAME_ALIAS;
3570 }
3571
3572 if (sid_check_is_in_our_sam(alias)) {
3573 type = SID_NAME_ALIAS;
3574 }
3575
3576 if (type == SID_NAME_USE_NONE) {
3577 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3578 sid_string_dbg(alias)));
3579 return NT_STATUS_NO_SUCH_ALIAS;
3580 }
3581
3582 if (asprintf(&filter,
3583 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3584 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3585 type) < 0) {
3586 return NT_STATUS_NO_MEMORY;
3587 }
3588
3589 if (ldapsam_search_one_group(ldap_state, filter,
3590 &result) != LDAP_SUCCESS) {
3591 SAFE_FREE(filter);
3592 return NT_STATUS_NO_SUCH_ALIAS;
3593 }
3594
3595 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3596 result);
3597
3598 if (count < 1) {
3599 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3600 ldap_msgfree(result);
3601 SAFE_FREE(filter);
3602 return NT_STATUS_NO_SUCH_ALIAS;
3603 }
3604
3605 if (count > 1) {
3606 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3607 "filter %s: count=%d\n", filter, count));
3608 ldap_msgfree(result);
3609 SAFE_FREE(filter);
3610 return NT_STATUS_NO_SUCH_ALIAS;
3611 }
3612
3613 SAFE_FREE(filter);
3614
3615 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3616 result);
3617
3618 if (!entry) {
3619 ldap_msgfree(result);
3620 return NT_STATUS_UNSUCCESSFUL;
3621 }
3622
3623 dn = smbldap_talloc_dn(talloc_tos(),
3624 smbldap_get_ldap(ldap_state->smbldap_state),
3625 entry);
3626 if (!dn) {
3627 ldap_msgfree(result);
3628 return NT_STATUS_UNSUCCESSFUL;
3629 }
3630
3631 smbldap_set_mod(&mods, modop,
3632 get_attr_key2string(groupmap_attr_list,
3633 LDAP_ATTR_SID_LIST),
3634 sid_to_fstring(tmp, member));
3635
3636 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3637
3638 ldap_mods_free(mods, True);
3639 ldap_msgfree(result);
3640 TALLOC_FREE(dn);
3641
3642 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3643 return NT_STATUS_MEMBER_IN_ALIAS;
3644 }
3645
3646 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3647 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3648 }
3649
3650 if (rc != LDAP_SUCCESS) {
3651 return NT_STATUS_UNSUCCESSFUL;
3652 }
3653
3654 return NT_STATUS_OK;
3655 }
3656
3657 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3658 const struct dom_sid *alias,
3659 const struct dom_sid *member)
3660 {
3661 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3662 }
3663
3664 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3665 const struct dom_sid *alias,
3666 const struct dom_sid *member)
3667 {
3668 return ldapsam_modify_aliasmem(methods, alias, member,
3669 LDAP_MOD_DELETE);
3670 }
3671
3672 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3673 const struct dom_sid *alias,
3674 TALLOC_CTX *mem_ctx,
3675 struct dom_sid **pp_members,
3676 size_t *p_num_members)
3677 {
3678 struct ldapsam_privates *ldap_state =
3679 (struct ldapsam_privates *)methods->private_data;
3680 LDAPMessage *result = NULL;
3681 LDAPMessage *entry = NULL;
3682 int count;
3683 char **values = NULL;
3684 int i;
3685 char *filter = NULL;
3686 uint32_t num_members = 0;
3687 enum lsa_SidType type = SID_NAME_USE_NONE;
3688 fstring tmp;
3689
3690 *pp_members = NULL;
3691 *p_num_members = 0;
3692
3693 if (sid_check_is_in_builtin(alias)) {
3694 type = SID_NAME_ALIAS;
3695 }
3696
3697 if (sid_check_is_in_our_sam(alias)) {
3698 type = SID_NAME_ALIAS;
3699 }
3700
3701 if (type == SID_NAME_USE_NONE) {
3702 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3703 sid_string_dbg(alias)));
3704 return NT_STATUS_NO_SUCH_ALIAS;
3705 }
3706
3707 if (asprintf(&filter,
3708 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3709 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3710 type) < 0) {
3711 return NT_STATUS_NO_MEMORY;
3712 }
3713
3714 if (ldapsam_search_one_group(ldap_state, filter,
3715 &result) != LDAP_SUCCESS) {
3716 SAFE_FREE(filter);
3717 return NT_STATUS_NO_SUCH_ALIAS;
3718 }
3719
3720 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3721 result);
3722
3723 if (count < 1) {
3724 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3725 ldap_msgfree(result);
3726 SAFE_FREE(filter);
3727 return NT_STATUS_NO_SUCH_ALIAS;
3728 }
3729
3730 if (count > 1) {
3731 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3732 "filter %s: count=%d\n", filter, count));
3733 ldap_msgfree(result);
3734 SAFE_FREE(filter);
3735 return NT_STATUS_NO_SUCH_ALIAS;
3736 }
3737
3738 SAFE_FREE(filter);
3739
3740 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3741 result);
3742
3743 if (!entry) {
3744 ldap_msgfree(result);
3745 return NT_STATUS_UNSUCCESSFUL;
3746 }
3747
3748 values = ldap_get_values(smbldap_get_ldap(ldap_state->smbldap_state),
3749 entry,
3750 get_attr_key2string(groupmap_attr_list,
3751 LDAP_ATTR_SID_LIST));
3752
3753 if (values == NULL) {
3754 ldap_msgfree(result);
3755 return NT_STATUS_OK;
3756 }
3757
3758 count = ldap_count_values(values);
3759
3760 for (i=0; i<count; i++) {
3761 struct dom_sid member;
3762 NTSTATUS status;
3763
3764 if (!string_to_sid(&member, values[i]))
3765 continue;
3766
3767 status = add_sid_to_array(mem_ctx, &member, pp_members,
3768 &num_members);
3769 if (!NT_STATUS_IS_OK(status)) {
3770 ldap_value_free(values);
3771 ldap_msgfree(result);
3772 return status;
3773 }
3774 }
3775
3776 *p_num_members = num_members;
3777 ldap_value_free(values);
3778 ldap_msgfree(result);
3779
3780 return NT_STATUS_OK;
3781 }
3782
3783 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3784 TALLOC_CTX *mem_ctx,
3785 const struct dom_sid *domain_sid,
3786 const struct dom_sid *members,
3787 size_t num_members,
3788 uint32_t **pp_alias_rids,
3789 size_t *p_num_alias_rids)
3790 {
3791 struct ldapsam_privates *ldap_state =
3792 (struct ldapsam_privates *)methods->private_data;
3793 LDAP *ldap_struct;
3794
3795 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3796
3797 LDAPMessage *result = NULL;
3798 LDAPMessage *entry = NULL;
3799 int i;
3800 int rc;
3801 char *filter;
3802 enum lsa_SidType type = SID_NAME_USE_NONE;
3803 bool is_builtin = false;
3804 bool sid_added = false;
3805
3806 *pp_alias_rids = NULL;
3807 *p_num_alias_rids = 0;
3808
3809 if (sid_check_is_builtin(domain_sid)) {
3810 is_builtin = true;
3811 type = SID_NAME_ALIAS;
3812 }
3813
3814 if (sid_check_is_our_sam(domain_sid)) {
3815 type = SID_NAME_ALIAS;
3816 }
3817
3818 if (type == SID_NAME_USE_NONE) {
3819 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3820 sid_string_dbg(domain_sid)));
3821 return NT_STATUS_UNSUCCESSFUL;
3822 }
3823
3824 if (num_members == 0) {
3825 return NT_STATUS_OK;
3826 }
3827
3828 filter = talloc_asprintf(mem_ctx,
3829 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3830 LDAP_OBJ_GROUPMAP, type);
3831
3832 for (i=0; i<num_members; i++)
3833 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3834 filter,
3835 sid_string_talloc(mem_ctx,
3836 &members[i]));
3837
3838 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3839
3840 if (filter == NULL) {
3841 return NT_STATUS_NO_MEMORY;
3842 }
3843
3844 if (is_builtin &&
3845 ldap_state->search_cache.filter &&
3846 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3847 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3848 result = ldap_state->search_cache.result;
3849 ldap_state->search_cache.result = NULL;
3850 } else {
3851 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3852 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3853 if (rc != LDAP_SUCCESS) {
3854 return NT_STATUS_UNSUCCESSFUL;
3855 }
3856 smbldap_talloc_autofree_ldapmsg(filter, result);
3857 }
3858
3859 ldap_struct = smbldap_get_ldap(ldap_state->smbldap_state);
3860
3861 for (entry = ldap_first_entry(ldap_struct, result);
3862 entry != NULL;
3863 entry = ldap_next_entry(ldap_struct, entry))
3864 {
3865 fstring sid_str;
3866 struct dom_sid sid;
3867 uint32_t rid;
3868
3869 if (!smbldap_get_single_attribute(ldap_struct, entry,
3870 LDAP_ATTRIBUTE_SID,
3871 sid_str,
3872 sizeof(sid_str)-1))
3873 continue;
3874
3875 if (!string_to_sid(&sid, sid_str))
3876 continue;
3877
3878 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3879 continue;
3880
3881 sid_added = true;
3882
3883 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3884 p_num_alias_rids)) {
3885 return NT_STATUS_NO_MEMORY;
3886 }
3887 }
3888
3889 if (!is_builtin && !sid_added) {
3890 TALLOC_FREE(ldap_state->search_cache.filter);
3891 /*
3892 * Note: result is a talloc child of filter because of the
3893 * smbldap_talloc_autofree_ldapmsg() usage
3894 */
3895 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3896 ldap_state->search_cache.result = result;
3897 }
3898
3899 return NT_STATUS_OK;
3900 }
3901
3902 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3903 enum pdb_policy_type type,
3904 uint32_t value)
3905 {
3906 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3907 int rc;
3908 LDAPMod **mods = NULL;
3909 fstring value_string;
3910 const char *policy_attr = NULL;
3911
3912 struct ldapsam_privates *ldap_state =
3913 (struct ldapsam_privates *)methods->private_data;
3914
3915 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3916
3917 if (!ldap_state->domain_dn) {
3918 return NT_STATUS_INVALID_PARAMETER;
3919 }
3920
3921 policy_attr = get_account_policy_attr(type);
3922 if (policy_attr == NULL) {
3923 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3924 "policy\n"));
3925 return ntstatus;
3926 }
3927
3928 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3929
3930 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3931
3932 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3933 mods);
3934
3935 ldap_mods_free(mods, True);
3936
3937 if (rc != LDAP_SUCCESS) {
3938 return ntstatus;
3939 }
3940
3941 if (!cache_account_policy_set(type, value)) {
3942 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3943 "update local tdb cache\n"));
3944 return ntstatus;
3945 }
3946
3947 return NT_STATUS_OK;
3948 }
3949
3950 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3951 enum pdb_policy_type type,
3952 uint32_t value)
3953 {
3954 return ldapsam_set_account_policy_in_ldap(methods, type,
3955 value);
3956 }
3957
3958 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3959 enum pdb_policy_type type,
3960 uint32_t *value)
3961 {
3962 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3963 LDAPMessage *result = NULL;
3964 LDAPMessage *entry = NULL;
3965 int count;
3966 int rc;
3967 char **vals = NULL;
3968 char *filter;
3969 const char *policy_attr = NULL;
3970
3971 struct ldapsam_privates *ldap_state =
3972 (struct ldapsam_privates *)methods->private_data;
3973
3974 const char *attrs[2];
3975
3976 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3977
3978 if (!ldap_state->domain_dn) {
3979 return NT_STATUS_INVALID_PARAMETER;
3980 }
3981
3982 policy_attr = get_account_policy_attr(type);
3983 if (!policy_attr) {
3984 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3985 "policy index: %d\n", type));
3986 return ntstatus;
3987 }
3988
3989 attrs[0] = policy_attr;
3990 attrs[1] = NULL;
3991
3992 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3993 if (filter == NULL) {
3994 return NT_STATUS_NO_MEMORY;
3995 }
3996 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3997 LDAP_SCOPE_BASE, filter, attrs, 0,
3998 &result);
3999 TALLOC_FREE(filter);
4000 if (rc != LDAP_SUCCESS) {
4001 return ntstatus;
4002 }
4003
4004 count = ldap_count_entries(priv2ld(ldap_state), result);
4005 if (count < 1) {
4006 goto out;
4007 }
4008
4009 entry = ldap_first_entry(priv2ld(ldap_state), result);
4010 if (entry == NULL) {
4011 goto out;
4012 }
4013
4014 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4015 if (vals == NULL) {
4016 goto out;
4017 }
4018
4019 *value = (uint32_t)atol(vals[0]);
4020
4021 ntstatus = NT_STATUS_OK;
4022
4023 out:
4024 if (vals)
4025 ldap_value_free(vals);
4026 ldap_msgfree(result);
4027
4028 return ntstatus;
4029 }
4030
4031 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4032
4033 - if user hasn't decided to use account policies inside LDAP just reuse the
4034 old tdb values
4035
4036 - if there is a valid cache entry, return that
4037 - if there is an LDAP entry, update cache and return
4038 - otherwise set to default, update cache and return
4039
4040 Guenther
4041 */
4042 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4043 enum pdb_policy_type type,
4044 uint32_t *value)
4045 {
4046 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4047
4048 if (cache_account_policy_get(type, value)) {
4049 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4050 "cache\n"));
4051 return NT_STATUS_OK;
4052 }
4053
4054 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4055 value);
4056 if (NT_STATUS_IS_OK(ntstatus)) {
4057 goto update_cache;
4058 }
4059
4060 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4061 "ldap\n"));
4062
4063 #if 0
4064 /* should we automagically migrate old tdb value here ? */
4065 if (account_policy_get(type, value))
4066 goto update_ldap;
4067
4068 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4069 "default\n", type));
4070 #endif
4071
4072 if (!account_policy_get_default(type, value)) {
4073 return ntstatus;
4074 }
4075
4076 /* update_ldap: */
4077
4078 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4079 if (!NT_STATUS_IS_OK(ntstatus)) {
4080 return ntstatus;
4081 }
4082
4083 update_cache:
4084
4085 if (!cache_account_policy_set(type, *value)) {
4086 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4087 "tdb as a cache\n"));
4088 return NT_STATUS_UNSUCCESSFUL;
4089 }
4090
4091 return NT_STATUS_OK;
4092 }
4093
4094 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4095 const struct dom_sid *domain_sid,
4096 int num_rids,
4097 uint32_t *rids,
4098 const char **names,
4099 enum lsa_SidType *attrs)
4100 {
4101 struct ldapsam_privates *ldap_state =
4102 (struct ldapsam_privates *)methods->private_data;
4103 LDAPMessage *msg = NULL;
4104 LDAPMessage *entry;
4105 char *allsids = NULL;
4106 size_t i, num_mapped;
4107 int rc;
4108 NTSTATUS result = NT_STATUS_NO_MEMORY;
4109 TALLOC_CTX *mem_ctx;
4110 LDAP *ld;
4111 bool is_builtin;
4112
4113 mem_ctx = talloc_new(NULL);
4114 if (mem_ctx == NULL) {
4115 DEBUG(0, ("talloc_new failed\n"));
4116 goto done;
4117 }
4118
4119 if (!sid_check_is_builtin(domain_sid) &&
4120 !sid_check_is_our_sam(domain_sid)) {
4121 result = NT_STATUS_INVALID_PARAMETER;
4122 goto done;
4123 }
4124
4125 if (num_rids == 0) {
4126 result = NT_STATUS_NONE_MAPPED;
4127 goto done;
4128 }
4129
4130 for (i=0; i<num_rids; i++)
4131 attrs[i] = SID_NAME_UNKNOWN;
4132
4133 allsids = talloc_strdup(mem_ctx, "");
4134 if (allsids == NULL) {
4135 goto done;
4136 }
4137
4138 for (i=0; i<num_rids; i++) {
4139 struct dom_sid sid;
4140 sid_compose(&sid, domain_sid, rids[i]);
4141 allsids = talloc_asprintf_append_buffer(
4142 allsids, "(sambaSid=%s)",
4143 sid_string_talloc(mem_ctx, &sid));
4144 if (allsids == NULL) {
4145 goto done;
4146 }
4147 }
4148
4149 /* First look for users */
4150
4151 {
4152 char *filter;
4153 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4154
4155 filter = talloc_asprintf(
4156 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4157 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4158
4159 if (filter == NULL) {
4160 goto done;
4161 }
4162
4163 rc = smbldap_search(ldap_state->smbldap_state,
4164 lp_ldap_user_suffix(talloc_tos()),
4165 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4166 &msg);
4167 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4168 }
4169
4170 if (rc != LDAP_SUCCESS)
4171 goto done;
4172
4173 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4174 num_mapped = 0;
4175
4176 for (entry = ldap_first_entry(ld, msg);
4177 entry != NULL;
4178 entry = ldap_next_entry(ld, entry)) {
4179 uint32_t rid;
4180 int rid_index;
4181 const char *name;
4182
4183 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4184 &rid)) {
4185 DEBUG(2, ("Could not find sid from ldap entry\n"));
4186 continue;
4187 }
4188
4189 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4190 names);
4191 if (name == NULL) {
4192 DEBUG(2, ("Could not retrieve uid attribute\n"));
4193 continue;
4194 }
4195
4196 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4197 if (rid == rids[rid_index])
4198 break;
4199 }
4200
4201 if (rid_index == num_rids) {
4202 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4203 continue;
4204 }
4205
4206 attrs[rid_index] = SID_NAME_USER;
4207 names[rid_index] = name;
4208 num_mapped += 1;
4209 }
4210
4211 if (num_mapped == num_rids) {
4212 /* No need to look for groups anymore -- we're done */
4213 result = NT_STATUS_OK;
4214 goto done;
4215 }
4216
4217 /* Same game for groups */
4218
4219 {
4220 char *filter;
4221 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4222 "sambaGroupType", NULL };
4223
4224 filter = talloc_asprintf(
4225 mem_ctx, "(&(objectClass=%s)(|%s))",
4226 LDAP_OBJ_GROUPMAP, allsids);
4227 if (filter == NULL) {
4228 goto done;
4229 }
4230
4231 rc = smbldap_search(ldap_state->smbldap_state,
4232 lp_ldap_suffix(talloc_tos()),
4233 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4234 &msg);
4235 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4236 }
4237
4238 if (rc != LDAP_SUCCESS)
4239 goto done;
4240
4241 /* ldap_struct might have changed due to a reconnect */
4242
4243 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4244
4245 /* For consistency checks, we already checked we're only domain or builtin */
4246
4247 is_builtin = sid_check_is_builtin(domain_sid);
4248
4249 for (entry = ldap_first_entry(ld, msg);
4250 entry != NULL;
4251 entry = ldap_next_entry(ld, entry))
4252 {
4253 uint32_t rid;
4254 int rid_index;
4255 const char *attr;
4256 enum lsa_SidType type;
4257 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4258
4259 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4260 mem_ctx);
4261 if (attr == NULL) {
4262 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4263 dn));
4264 continue;
4265 }
4266
4267 type = (enum lsa_SidType)atol(attr);
4268
4269 /* Consistency checks */
4270 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4271 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4272 (type != SID_NAME_DOM_GRP)))) {
4273 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4274 }
4275
4276 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4277 &rid)) {
4278 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4279 continue;
4280 }
4281
4282 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4283
4284 if (attr == NULL) {
4285 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4286 dn));
4287 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4288 }
4289
4290 if (attr == NULL) {
4291 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4292 dn));
4293 continue;
4294 }
4295
4296 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4297 if (rid == rids[rid_index])
4298 break;
4299 }
4300
4301 if (rid_index == num_rids) {
4302 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4303 continue;
4304 }
4305
4306 attrs[rid_index] = type;
4307 names[rid_index] = attr;
4308 num_mapped += 1;
4309 }
4310
4311 result = NT_STATUS_NONE_MAPPED;
4312
4313 if (num_mapped > 0)
4314 result = (num_mapped == num_rids) ?
4315 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4316 done:
4317 TALLOC_FREE(mem_ctx);
4318 return result;
4319 }
4320
4321 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4322 {
4323 char *filter = NULL;
4324 char *escaped = NULL;
4325 char *result = NULL;
4326
4327 if (asprintf(&filter, "(&%s(objectclass=%s))",
4328 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4329 goto done;
4330 }
4331
4332 escaped = escape_ldap_string(talloc_tos(), username);
4333 if (escaped == NULL) goto done;
4334
4335 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4336
4337 done:
4338 SAFE_FREE(filter);
4339 TALLOC_FREE(escaped);
4340
4341 return result;
4342 }
4343
4344 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4345 {
4346 int i, num = 0;
4347 va_list ap;
4348 const char **result;
4349
4350 va_start(ap, mem_ctx);
4351 while (va_arg(ap, const char *) != NULL)
4352 num += 1;
4353 va_end(ap);
4354
4355 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4356 return NULL;
4357 }
4358
4359 va_start(ap, mem_ctx);
4360 for (i=0; i<num; i++) {
4361 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4362 if (result[i] == NULL) {
4363 talloc_free(result);
4364 va_end(ap);
4365 return NULL;
4366 }
4367 }
4368 va_end(ap);
4369
4370 result[num] = NULL;
4371 return result;
4372 }
4373
4374 struct ldap_search_state {
4375 struct smbldap_state *connection;
4376
4377 uint32_t acct_flags;
4378 uint16_t group_type;
4379
4380 const char *base;
4381 int scope;
4382 const char *filter;
4383 const char **attrs;
4384 int attrsonly;
4385 void *pagedresults_cookie;
4386
4387 LDAPMessage *entries, *current_entry;
4388 bool (*ldap2displayentry)(struct ldap_search_state *state,
4389 TALLOC_CTX *mem_ctx,
4390 LDAP *ld, LDAPMessage *entry,
4391 struct samr_displayentry *result);
4392 };
4393
4394 static bool ldapsam_search_firstpage(struct pdb_search *search)
4395 {
4396 struct ldap_search_state *state =
4397 (struct ldap_search_state *)search->private_data;
4398 LDAP *ld;
4399 int rc = LDAP_OPERATIONS_ERROR;
4400
4401 state->entries = NULL;
4402
4403 if (smbldap_get_paged_results(state->connection)) {
4404 rc = smbldap_search_paged(state->connection, state->base,
4405 state->scope, state->filter,
4406 state->attrs, state->attrsonly,
4407 lp_ldap_page_size(), &state->entries,
4408 &state->pagedresults_cookie);
4409 }
4410
4411 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4412
4413 if (state->entries != NULL) {
4414 /* Left over from unsuccessful paged attempt */
4415 ldap_msgfree(state->entries);
4416 state->entries = NULL;
4417 }
4418
4419 rc = smbldap_search(state->connection, state->base,
4420 state->scope, state->filter, state->attrs,
4421 state->attrsonly, &state->entries);
4422
4423 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4424 return False;
4425
4426 /* Ok, the server was lying. It told us it could do paged
4427 * searches when it could not. */
4428 smbldap_set_paged_results(state->connection, false);
4429 }
4430
4431 ld = smbldap_get_ldap(state->connection);
4432 if ( ld == NULL) {
4433 DEBUG(5, ("Don't have an LDAP connection right after a "
4434 "search\n"));
4435 return False;
4436 }
4437 state->current_entry = ldap_first_entry(ld, state->entries);
4438
4439 return True;
4440 }
4441
4442 static bool ldapsam_search_nextpage(struct pdb_search *search)
4443 {
4444 struct ldap_search_state *state =
4445 (struct ldap_search_state *)search->private_data;
4446 int rc;
4447
4448 if (!smbldap_get_paged_results(state->connection)) {
4449 /* There is no next page when there are no paged results */
4450 return False;
4451 }
4452
4453 rc = smbldap_search_paged(state->connection, state->base,
4454 state->scope, state->filter, state->attrs,
4455 state->attrsonly, lp_ldap_page_size(),
4456 &state->entries,
4457 &state->pagedresults_cookie);
4458
4459 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4460 return False;
4461
4462 state->current_entry = ldap_first_entry(
4463 smbldap_get_ldap(state->connection), state->entries);
4464
4465 if (state->current_entry == NULL) {
4466 ldap_msgfree(state->entries);
4467 state->entries = NULL;
4468 return false;
4469 }
4470
4471 return True;
4472 }
4473
4474 static bool ldapsam_search_next_entry(struct pdb_search *search,
4475 struct samr_displayentry *entry)
4476 {
4477 struct ldap_search_state *state =
4478 (struct ldap_search_state *)search->private_data;
4479 bool result;
4480
4481 retry:
4482 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4483 return False;
4484
4485 if ((state->entries == NULL) &&
4486 !ldapsam_search_nextpage(search))
4487 return False;
4488
4489 if (state->current_entry == NULL) {
4490 return false;
4491 }
4492
4493 result = state->ldap2displayentry(state, search,
4494 smbldap_get_ldap(state->connection),
4495 state->current_entry, entry);
4496
4497 if (!result) {
4498 char *dn;
4499 dn = ldap_get_dn(smbldap_get_ldap(state->connection),
4500 state->current_entry);
4501 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4502 if (dn != NULL) ldap_memfree(dn);
4503 }
4504
4505 state->current_entry = ldap_next_entry(
4506 smbldap_get_ldap(state->connection), state->current_entry);
4507
4508 if (state->current_entry == NULL) {
4509 ldap_msgfree(state->entries);
4510 state->entries = NULL;
4511 }
4512
4513 if (!result) goto retry;
4514
4515 return True;
4516 }
4517
4518 static void ldapsam_search_end(struct pdb_search *search)
4519 {
4520 struct ldap_search_state *state =
4521 (struct ldap_search_state *)search->private_data;
4522 int rc;
4523
4524 if (state->pagedresults_cookie == NULL)
4525 return;
4526
4527 if (state->entries != NULL)
4528 ldap_msgfree(state->entries);
4529
4530 state->entries = NULL;
4531 state->current_entry = NULL;
4532
4533 if (!smbldap_get_paged_results(state->connection)) {
4534 return;
4535 }
4536
4537 /* Tell the LDAP server we're not interested in the rest anymore. */
4538
4539 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4540 state->filter, state->attrs,
4541 state->attrsonly, 0, &state->entries,
4542 &state->pagedresults_cookie);
4543
4544 if (rc != LDAP_SUCCESS)
4545 DEBUG(5, ("Could not end search properly\n"));
4546
4547 return;
4548 }
4549
4550 static bool ldapuser2displayentry(struct ldap_search_state *state,
4551 TALLOC_CTX *mem_ctx,
4552 LDAP *ld, LDAPMessage *entry,
4553 struct samr_displayentry *result)
4554 {
4555 char **vals;
4556 size_t converted_size;
4557 struct dom_sid sid;
4558 uint32_t acct_flags;
4559
4560 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4561 if ((vals == NULL) || (vals[0] == NULL)) {
4562 acct_flags = ACB_NORMAL;
4563 } else {
4564 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4565 ldap_value_free(vals);
4566 }
4567
4568 if ((state->acct_flags != 0) &&
4569 ((state->acct_flags & acct_flags) == 0))
4570 return False;
4571
4572 result->acct_flags = acct_flags;
4573 result->account_name = "";
4574 result->fullname = "";
4575 result->description = "";
4576
4577 vals = ldap_get_values(ld, entry, "uid");
4578 if ((vals == NULL) || (vals[0] == NULL)) {
4579 DEBUG(5, ("\"uid\" not found\n"));
4580 return False;
4581 }
4582 if (!pull_utf8_talloc(mem_ctx,
4583 discard_const_p(char *, &result->account_name),
4584 vals[0], &converted_size))
4585 {
4586 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4587 strerror(errno)));
4588 }
4589
4590 ldap_value_free(vals);
4591
4592 vals = ldap_get_values(ld, entry, "displayName");
4593 if ((vals == NULL) || (vals[0] == NULL))
4594 DEBUG(8, ("\"displayName\" not found\n"));
4595 else if (!pull_utf8_talloc(mem_ctx,
4596 discard_const_p(char *, &result->fullname),
4597 vals[0], &converted_size))
4598 {
4599 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4600 strerror(errno)));
4601 }
4602
4603 ldap_value_free(vals);
4604
4605 vals = ldap_get_values(ld, entry, "description");
4606 if ((vals == NULL) || (vals[0] == NULL))
4607 DEBUG(8, ("\"description\" not found\n"));
4608 else if (!pull_utf8_talloc(mem_ctx,
4609 discard_const_p(char *, &result->description),
4610 vals[0], &converted_size))
4611 {
4612 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4613 strerror(errno)));
4614 }
4615
4616 ldap_value_free(vals);
4617
4618 if ((result->account_name == NULL) ||
4619 (result->fullname == NULL) ||
4620 (result->description == NULL)) {
4621 DEBUG(0, ("talloc failed\n"));
4622 return False;
4623 }
4624
4625 vals = ldap_get_values(ld, entry, "sambaSid");
4626 if ((vals == NULL) || (vals[0] == NULL)) {
4627 DEBUG(0, ("\"objectSid\" not found\n"));
4628 return False;
4629 }
4630
4631 if (!string_to_sid(&sid, vals[0])) {
4632 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4633 ldap_value_free(vals);
4634 return False;
4635 }
4636 ldap_value_free(vals);
4637
4638 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4639 DEBUG(0, ("sid %s does not belong to our domain\n",
4640 sid_string_dbg(&sid)));
4641 return False;
4642 }
4643
4644 return True;
4645 }
4646
4647
4648 static bool ldapsam_search_users(struct pdb_methods *methods,
4649 struct pdb_search *search,
4650 uint32_t acct_flags)
4651 {
4652 struct ldapsam_privates *ldap_state =
4653 (struct ldapsam_privates *)methods->private_data;
4654 struct ldap_search_state *state;
4655
4656 state = talloc(search, struct ldap_search_state);
4657 if (state == NULL) {
4658 DEBUG(0, ("talloc failed\n"));
4659 return False;
4660 }
4661
4662 state->connection = ldap_state->smbldap_state;
4663
4664 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4665 state->base = lp_ldap_user_suffix(talloc_tos());
4666 else if ((acct_flags != 0) &&
4667 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4668 state->base = lp_ldap_machine_suffix(talloc_tos());
4669 else
4670 state->base = lp_ldap_suffix(talloc_tos());
4671
4672 state->acct_flags = acct_flags;
4673 state->base = talloc_strdup(search, state->base);
4674 state->scope = LDAP_SCOPE_SUBTREE;
4675 state->filter = get_ldap_filter(search, "*");
4676 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4677 "displayName", "description",
4678 "sambaAcctFlags", NULL);
4679 state->attrsonly = 0;
4680 state->pagedresults_cookie = NULL;
4681 state->entries = NULL;
4682 state->ldap2displayentry = ldapuser2displayentry;
4683
4684 if ((state->filter == NULL) || (state->attrs == NULL)) {
4685 DEBUG(0, ("talloc failed\n"));
4686 return False;
4687 }
4688
4689 search->private_data = state;
4690 search->next_entry = ldapsam_search_next_entry;
4691 search->search_end = ldapsam_search_end;
4692
4693 return ldapsam_search_firstpage(search);
4694 }
4695
4696 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4697 TALLOC_CTX *mem_ctx,
4698 LDAP *ld, LDAPMessage *entry,
4699 struct samr_displayentry *result)
4700 {
4701 char **vals;
4702 size_t converted_size;
4703 struct dom_sid sid;
4704 uint16_t group_type;
4705
4706 result->account_name = "";
4707 result->fullname = "";
4708 result->description = "";
4709
4710
4711 vals = ldap_get_values(ld, entry, "sambaGroupType");
4712 if ((vals == NULL) || (vals[0] == NULL)) {
4713 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4714 if (vals != NULL) {
4715 ldap_value_free(vals);
4716 }
4717 return False;
4718 }
4719
4720 group_type = atoi(vals[0]);
4721
4722 if ((state->group_type != 0) &&
4723 ((state->group_type != group_type))) {
4724 ldap_value_free(vals);
4725 return False;
4726 }
4727
4728 ldap_value_free(vals);
4729
4730 /* display name is the NT group name */
4731
4732 vals = ldap_get_values(ld, entry, "displayName");
4733 if ((vals == NULL) || (vals[0] == NULL)) {
4734 DEBUG(8, ("\"displayName\" not found\n"));
4735
4736 /* fallback to the 'cn' attribute */
4737 vals = ldap_get_values(ld, entry, "cn");
4738 if ((vals == NULL) || (vals[0] == NULL)) {
4739 DEBUG(5, ("\"cn\" not found\n"));
4740 return False;
4741 }
4742 if (!pull_utf8_talloc(mem_ctx,
4743 discard_const_p(char *,
4744 &result->account_name),
4745 vals[0], &converted_size))
4746 {
4747 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4748 "failed: %s", strerror(errno)));
4749 }
4750 }
4751 else if (!pull_utf8_talloc(mem_ctx,
4752 discard_const_p(char *,
4753 &result->account_name),
4754 vals[0], &converted_size))
4755 {
4756 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4757 strerror(errno)));
4758 }
4759
4760 ldap_value_free(vals);
4761
4762 vals = ldap_get_values(ld, entry, "description");
4763 if ((vals == NULL) || (vals[0] == NULL))
4764 DEBUG(8, ("\"description\" not found\n"));
4765 else if (!pull_utf8_talloc(mem_ctx,
4766 discard_const_p(char *, &result->description),
4767 vals[0], &converted_size))
4768 {
4769 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4770 strerror(errno)));
4771 }
4772 ldap_value_free(vals);
4773
4774 if ((result->account_name == NULL) ||
4775 (result->fullname == NULL) ||
4776 (result->description == NULL)) {
4777 DEBUG(0, ("talloc failed\n"));
4778 return False;
4779 }
4780
4781 vals = ldap_get_values(ld, entry, "sambaSid");
4782 if ((vals == NULL) || (vals[0] == NULL)) {
4783 DEBUG(0, ("\"objectSid\" not found\n"));
4784 if (vals != NULL) {
4785 ldap_value_free(vals);
4786 }
4787 return False;
4788 }
4789
4790 if (!string_to_sid(&sid, vals[0])) {
4791 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4792 return False;
4793 }
4794
4795 ldap_value_free(vals);
4796
4797 switch (group_type) {
4798 case SID_NAME_DOM_GRP:
4799 case SID_NAME_ALIAS:
4800
4801 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4802 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4803 {
4804 DEBUG(0, ("%s is not in our domain\n",
4805 sid_string_dbg(&sid)));
4806 return False;
4807 }
4808 break;
4809
4810 default:
4811 DEBUG(0,("unknown group type: %d\n", group_type));
4812 return False;
4813 }
4814
4815 result->acct_flags = 0;
4816
4817 return True;
4818 }
4819
4820 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4821 struct pdb_search *search,
4822 const struct dom_sid *sid,
4823 enum lsa_SidType type)
4824 {
4825 struct ldapsam_privates *ldap_state =
4826 (struct ldapsam_privates *)methods->private_data;
4827 struct ldap_search_state *state;
4828 fstring tmp;
4829
4830 state = talloc(search, struct ldap_search_state);
4831 if (state == NULL) {
4832 DEBUG(0, ("talloc failed\n"));
4833 return False;
4834 }
4835
4836 state->connection = ldap_state->smbldap_state;
4837
4838 state->base = lp_ldap_suffix(search);
4839 state->connection = ldap_state->smbldap_state;
4840 state->scope = LDAP_SCOPE_SUBTREE;
4841 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4842 "(sambaGroupType=%d)(sambaSID=%s*))",
4843 LDAP_OBJ_GROUPMAP,
4844 type, sid_to_fstring(tmp, sid));
4845 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4846 "displayName", "description",
4847 "sambaGroupType", NULL);
4848 state->attrsonly = 0;
4849 state->pagedresults_cookie = NULL;
4850 state->entries = NULL;
4851 state->group_type = type;
4852 state->ldap2displayentry = ldapgroup2displayentry;
4853
4854 if ((state->filter == NULL) || (state->attrs == NULL)) {
4855 DEBUG(0, ("talloc failed\n"));
4856 return False;
4857 }
4858
4859 search->private_data = state;
4860 search->next_entry = ldapsam_search_next_entry;
4861 search->search_end = ldapsam_search_end;
4862
4863 return ldapsam_search_firstpage(search);
4864 }
4865
4866 static bool ldapsam_search_groups(struct pdb_methods *methods,
4867 struct pdb_search *search)
4868 {
4869 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4870 }
4871
4872 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4873 struct pdb_search *search,
4874 const struct dom_sid *sid)
4875 {
4876 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4877 }
4878
4879 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4880 {
4881 return PDB_CAP_STORE_RIDS;
4882 }
4883
4884 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4885 uint32_t *rid)
4886 {
4887 struct smbldap_state *smbldap_state = priv->smbldap_state;
4888
4889 LDAPMessage *result = NULL;
4890 LDAPMessage *entry = NULL;
4891 LDAPMod **mods = NULL;
4892 NTSTATUS status;
4893 char *value;
4894 int rc;
4895 uint32_t nextRid = 0;
4896 const char *dn;
4897
4898 TALLOC_CTX *mem_ctx;
4899
4900 mem_ctx = talloc_new(NULL);
4901 if (mem_ctx == NULL) {
4902 DEBUG(0, ("talloc_new failed\n"));
4903 return NT_STATUS_NO_MEMORY;
4904 }
4905
4906 status = smbldap_search_domain_info(smbldap_state, &result,
4907 get_global_sam_name(), False);
4908 if (!NT_STATUS_IS_OK(status)) {
4909 DEBUG(3, ("Could not get domain info: %s\n",
4910 nt_errstr(status)));
4911 goto done;
4912 }
4913
4914 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4915
4916 entry = ldap_first_entry(priv2ld(priv), result);
4917 if (entry == NULL) {
4918 DEBUG(0, ("Could not get domain info entry\n"));
4919 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4920 goto done;
4921 }
4922
4923 /* Find the largest of the three attributes "sambaNextRid",
4924 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4925 concept of differentiating between user and group rids, and will
4926 use only "sambaNextRid" in the future. But for compatibility
4927 reasons I look if others have chosen different strategies -- VL */
4928
4929 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4930 "sambaNextRid", mem_ctx);
4931 if (value != NULL) {
4932 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4933 nextRid = MAX(nextRid, tmp);
4934 }
4935
4936 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4937 "sambaNextUserRid", mem_ctx);
4938 if (value != NULL) {
4939 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4940 nextRid = MAX(nextRid, tmp);
4941 }
4942
4943 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4944 "sambaNextGroupRid", mem_ctx);
4945 if (value != NULL) {
4946 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4947 nextRid = MAX(nextRid, tmp);
4948 }
4949
4950 if (nextRid == 0) {
4951 nextRid = BASE_RID-1;
4952 }
4953
4954 nextRid += 1;
4955
4956 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4957 talloc_asprintf(mem_ctx, "%d", nextRid));
4958 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
4959
4960 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4961 status = NT_STATUS_NO_MEMORY;
4962 goto done;
4963 }
4964
4965 rc = smbldap_modify(smbldap_state, dn, mods);
4966
4967 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4968 * please retry" */
4969
4970 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4971
4972 done:
4973 if (NT_STATUS_IS_OK(status)) {
4974 *rid = nextRid;
4975 }
4976
4977 TALLOC_FREE(mem_ctx);
4978 return status;
4979 }
4980
4981 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4982 {
4983 int i;
4984
4985 for (i=0; i<10; i++) {
4986 NTSTATUS result = ldapsam_get_new_rid(
4987 (struct ldapsam_privates *)methods->private_data, rid);
4988 if (NT_STATUS_IS_OK(result)) {
4989 return result;
4990 }
4991
4992 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4993 return result;
4994 }
4995
4996 /* The ldap update failed (maybe a race condition), retry */
4997 }
4998
4999 /* Tried 10 times, fail. */
5000 return NT_STATUS_ACCESS_DENIED;
5001 }
5002
5003 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
5004 {
5005 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5006 return NT_STATUS_IS_OK(result) ? True : False;
5007 }
5008
5009 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5010 const struct dom_sid *sid,
5011 struct unixid *id)
5012 {
5013 struct ldapsam_privates *priv =
5014 (struct ldapsam_privates *)methods->private_data;
5015 char *filter;
5016 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5017 NULL };
5018 LDAPMessage *result = NULL;
5019 LDAPMessage *entry = NULL;
5020 bool ret = False;
5021 char *value;
5022 int rc;
5023
5024 TALLOC_CTX *mem_ctx;
5025
5026 ret = pdb_sid_to_id_unix_users_and_groups(sid, id);
5027 if (ret == true) {
5028 return true;
5029 }
5030
5031 mem_ctx = talloc_new(NULL);
5032 if (mem_ctx == NULL) {
5033 DEBUG(0, ("talloc_new failed\n"));
5034 return False;
5035 }
5036
5037 filter = talloc_asprintf(mem_ctx,
5038 "(&(sambaSid=%s)"
5039 "(|(objectClass=%s)(objectClass=%s)))",
5040 sid_string_talloc(mem_ctx, sid),
5041 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5042 if (filter == NULL) {
5043 DEBUG(5, ("talloc_asprintf failed\n"));
5044 goto done;
5045 }
5046
5047 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5048 attrs, &result);
5049 if (rc != LDAP_SUCCESS) {
5050 goto done;
5051 }
5052 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
5053
5054 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5055 DEBUG(10, ("Got %d entries, expected one\n",
5056 ldap_count_entries(priv2ld(priv), result)));
5057 goto done;
5058 }
5059
5060 entry = ldap_first_entry(priv2ld(priv), result);
5061
5062 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5063 "sambaGroupType", mem_ctx);
5064
5065 if (value != NULL) {
5066 const char *gid_str;
5067 /* It's a group */
5068
5069 gid_str = smbldap_talloc_single_attribute(
5070 priv2ld(priv), entry, "gidNumber", mem_ctx);
5071 if (gid_str == NULL) {
5072 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5073 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5074 entry)));
5075 goto done;
5076 }
5077
5078 id->id = strtoul(gid_str, NULL, 10);
5079 id->type = ID_TYPE_GID;
5080 ret = True;
5081 goto done;
5082 }
5083
5084 /* It must be a user */
5085
5086 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5087 "uidNumber", mem_ctx);
5088 if (value == NULL) {
5089 DEBUG(1, ("Could not find uidNumber in %s\n",
5090 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5091 goto done;
5092 }
5093
5094 id->id = strtoul(value, NULL, 10);
5095 id->type = ID_TYPE_UID;
5096
5097 ret = True;
5098 done:
5099 TALLOC_FREE(mem_ctx);
5100 return ret;
5101 }
5102
5103 /**
5104 * Find the SID for a uid.
5105 * This is shortcut is only used if ldapsam:trusted is set to true.
5106 */
5107 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5108 struct dom_sid *sid)
5109 {
5110 struct ldapsam_privates *priv =
5111 (struct ldapsam_privates *)methods->private_data;
5112 char *filter;
5113 const char *attrs[] = { "sambaSID", NULL };
5114 LDAPMessage *result = NULL;
5115 LDAPMessage *entry = NULL;
5116 bool ret = false;
5117 char *user_sid_string;
5118 struct dom_sid user_sid;
5119 int rc;
5120 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5121
5122 filter = talloc_asprintf(tmp_ctx,
5123 "(&(uidNumber=%u)"
5124 "(objectClass=%s)"
5125 "(objectClass=%s))",
5126 (unsigned int)uid,
5127 LDAP_OBJ_POSIXACCOUNT,
5128 LDAP_OBJ_SAMBASAMACCOUNT);
5129 if (filter == NULL) {
5130 DEBUG(3, ("talloc_asprintf failed\n"));
5131 goto done;
5132 }
5133
5134 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5135 if (rc != LDAP_SUCCESS) {
5136 goto done;
5137 }
5138 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5139
5140 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5141 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5142 ldap_count_entries(priv2ld(priv), result),
5143 (unsigned int)uid));
5144 goto done;
5145 }
5146
5147 entry = ldap_first_entry(priv2ld(priv), result);
5148
5149 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5150 "sambaSID", tmp_ctx);
5151 if (user_sid_string == NULL) {
5152 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5153 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5154 goto done;
5155 }
5156
5157 if (!string_to_sid(&user_sid, user_sid_string)) {
5158 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5159 user_sid_string));
5160 goto done;
5161 }
5162
5163 sid_copy(sid, &user_sid);
5164
5165 ret = true;
5166
5167 done:
5168 TALLOC_FREE(tmp_ctx);
5169 return ret;
5170 }
5171
5172 /**
5173 * Find the SID for a gid.
5174 * This is shortcut is only used if ldapsam:trusted is set to true.
5175 */
5176 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5177 struct dom_sid *sid)
5178 {
5179 struct ldapsam_privates *priv =
5180 (struct ldapsam_privates *)methods->private_data;
5181 char *filter;
5182 const char *attrs[] = { "sambaSID", NULL };
5183 LDAPMessage *result = NULL;
5184 LDAPMessage *entry = NULL;
5185 bool ret = false;
5186 char *group_sid_string;
5187 struct dom_sid group_sid;
5188 int rc;
5189 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5190
5191 filter = talloc_asprintf(tmp_ctx,
5192 "(&(gidNumber=%u)"
5193 "(objectClass=%s))",
5194 (unsigned int)gid,
5195 LDAP_OBJ_GROUPMAP);
5196 if (filter == NULL) {
5197 DEBUG(3, ("talloc_asprintf failed\n"));
5198 goto done;
5199 }
5200
5201 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5202 if (rc != LDAP_SUCCESS) {
5203 goto done;
5204 }
5205 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5206
5207 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5208 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5209 ldap_count_entries(priv2ld(priv), result),
5210 (unsigned int)gid));
5211 goto done;
5212 }
5213
5214 entry = ldap_first_entry(priv2ld(priv), result);
5215
5216 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5217 "sambaSID", tmp_ctx);
5218 if (group_sid_string == NULL) {
5219 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5220 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5221 goto done;
5222 }
5223
5224 if (!string_to_sid(&group_sid, group_sid_string)) {
5225 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5226 group_sid_string));
5227 goto done;
5228 }
5229
5230 sid_copy(sid, &group_sid);
5231
5232 ret = true;
5233
5234 done:
5235 TALLOC_FREE(tmp_ctx);
5236 return ret;
5237 }
5238
5239 static bool ldapsam_id_to_sid(struct pdb_methods *methods, struct unixid *id,
5240 struct dom_sid *sid)
5241 {
5242 switch (id->type) {
5243 case ID_TYPE_UID:
5244 return ldapsam_uid_to_sid(methods, id->id, sid);
5245
5246 case ID_TYPE_GID:
5247 return ldapsam_gid_to_sid(methods, id->id, sid);
5248
5249 default:
5250 return false;
5251 }
5252 }
5253
5254
5255 /*
5256 * The following functions are called only if
5257 * ldapsam:trusted and ldapsam:editposix are
5258 * set to true
5259 */
5260
5261 /*
5262 * ldapsam_create_user creates a new
5263 * posixAccount and sambaSamAccount object
5264 * in the ldap users subtree
5265 *
5266 * The uid is allocated by winbindd.
5267 */
5268
5269 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5270 TALLOC_CTX *tmp_ctx, const char *name,
5271 uint32_t acb_info, uint32_t *rid)
5272 {
5273 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5274 LDAPMessage *entry = NULL;
5275 LDAPMessage *result = NULL;
5276 uint32_t num_result;
5277 bool is_machine = False;
5278 bool add_posix = False;
5279 bool init_okay = False;
5280 LDAPMod **mods = NULL;
5281 struct samu *user;
5282 char *filter;
5283 char *username;
5284 char *homedir;
5285 char *gidstr;
5286 char *uidstr;
5287 char *shell;
5288 const char *dn = NULL;
5289 struct dom_sid group_sid;
5290 struct dom_sid user_sid;
5291 gid_t gid = -1;
5292 uid_t uid = -1;
5293 NTSTATUS ret;
5294 int rc;
5295
5296 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5297 acb_info & ACB_WSTRUST ||
5298 acb_info & ACB_SVRTRUST ||
5299 acb_info & ACB_DOMTRUST) {
5300 is_machine = True;
5301 }
5302
5303 username = escape_ldap_string(talloc_tos(), name);
5304 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5305 username, LDAP_OBJ_POSIXACCOUNT);
5306 TALLOC_FREE(username);
5307
5308 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5309 if (rc != LDAP_SUCCESS) {
5310 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5311 return NT_STATUS_ACCESS_DENIED;
5312 }
5313 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5314
5315 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5316
5317 if (num_result > 1) {
5318 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5319 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5320 }
5321
5322 if (num_result == 1) {
5323 char *tmp;
5324 /* check if it is just a posix account.
5325 * or if there is a sid attached to this entry
5326 */
5327
5328 entry = ldap_first_entry(priv2ld(ldap_state), result);
5329 if (!entry) {
5330 return NT_STATUS_UNSUCCESSFUL;
5331 }
5332
5333 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5334 if (tmp) {
5335 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5336 return NT_STATUS_USER_EXISTS;
5337 }
5338
5339 /* it is just a posix account, retrieve the dn for later use */
5340 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5341 if (!dn) {
5342 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5343 return NT_STATUS_NO_MEMORY;
5344 }
5345 }
5346
5347 if (num_result == 0) {
5348 add_posix = True;
5349 }
5350
5351 /* Create the basic samu structure and generate the mods for the ldap commit */
5352 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5353 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5354 return ret;
5355 }
5356
5357 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5358
5359 user = samu_new(tmp_ctx);
5360 if (!user) {
5361 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5362 return NT_STATUS_NO_MEMORY;
5363 }
5364
5365 if (!pdb_set_username(user, name, PDB_SET)) {
5366 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5367 return NT_STATUS_UNSUCCESSFUL;
5368 }
5369 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5370 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5371 return NT_STATUS_UNSUCCESSFUL;
5372 }
5373 if (is_machine) {
5374 if (acb_info & ACB_NORMAL) {
5375 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5376 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5377 return NT_STATUS_UNSUCCESSFUL;
5378 }
5379 } else {
5380 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5381 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5382 return NT_STATUS_UNSUCCESSFUL;
5383 }
5384 }
5385 } else {
5386 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5387 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5388 return NT_STATUS_UNSUCCESSFUL;
5389 }
5390 }
5391
5392 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5393 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5394 return NT_STATUS_UNSUCCESSFUL;
5395 }
5396
5397 init_okay = init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed);
5398
5399 if (!init_okay) {
5400 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5401 ldap_mods_free(mods, true);
5402 return NT_STATUS_UNSUCCESSFUL;
5403 }
5404
5405 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5406 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5407 }
5408 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5409
5410 if (add_posix) {
5411 char *escape_name;
5412
5413 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5414
5415 /* retrieve the Domain Users group gid */
5416 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5417 !sid_to_gid(&group_sid, &gid)) {
5418 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5419 ldap_mods_free(mods, true);
5420 return NT_STATUS_INVALID_PRIMARY_GROUP;
5421 }
5422
5423 /* lets allocate a new userid for this user */
5424 if (!winbind_allocate_uid(&uid)) {
5425 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5426 ldap_mods_free(mods, true);
5427 return NT_STATUS_UNSUCCESSFUL;
5428 }
5429
5430
5431 if (is_machine) {
5432 /* TODO: choose a more appropriate default for machines */
5433 homedir = talloc_sub_specified(tmp_ctx,
5434 lp_template_homedir(),
5435 "SMB_workstations_home",
5436 NULL,
5437 ldap_state->domain_name,
5438 uid,
5439 gid);
5440 shell = talloc_strdup(tmp_ctx, "/bin/false");
5441 } else {
5442 homedir = talloc_sub_specified(tmp_ctx,
5443 lp_template_homedir(),
5444 name,
5445 NULL,
5446 ldap_state->domain_name,
5447 uid,
5448 gid);
5449 shell = talloc_sub_specified(tmp_ctx,
5450 lp_template_shell(),
5451 name,
5452 NULL,
5453 ldap_state->domain_name,
5454 uid,
5455 gid);
5456 }
5457 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5458 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5459
5460 escape_name = escape_rdn_val_string_alloc(name);
5461 if (!escape_name) {
5462 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5463 ldap_mods_free(mods, true);
5464 return NT_STATUS_NO_MEMORY;
5465 }
5466
5467 if (is_machine) {
5468 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5469 } else {
5470 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5471 }
5472
5473 SAFE_FREE(escape_name);
5474
5475 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5476 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5477 ldap_mods_free(mods, true);
5478 return NT_STATUS_NO_MEMORY;
5479 }
5480
5481 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5482 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5483 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5484 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5485 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5486 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5487 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5488 }
5489
5490 if (add_posix) {
5491 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5492 } else {
5493 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5494 }
5495
5496 ldap_mods_free(mods, true);
5497
5498 if (rc != LDAP_SUCCESS) {
5499 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5500 return NT_STATUS_UNSUCCESSFUL;
5501 }
5502
5503 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5504
5505 flush_pwnam_cache();
5506
5507 return NT_STATUS_OK;
5508 }
5509
5510 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5511 {
5512 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5513 LDAPMessage *result = NULL;
5514 LDAPMessage *entry = NULL;
5515 int num_result;
5516 const char *dn;
5517 char *filter;
5518 int rc;
5519
5520 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5521
5522 filter = talloc_asprintf(tmp_ctx,
5523 "(&(uid=%s)"
5524 "(objectClass=%s)"
5525 "(objectClass=%s))",
5526 pdb_get_username(sam_acct),
5527 LDAP_OBJ_POSIXACCOUNT,
5528 LDAP_OBJ_SAMBASAMACCOUNT);
5529 if (filter == NULL) {
5530 return NT_STATUS_NO_MEMORY;
5531 }
5532
5533 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5534 if (rc != LDAP_SUCCESS) {
5535 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5536 return NT_STATUS_UNSUCCESSFUL;
5537 }
5538 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5539
5540 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5541
5542 if (num_result == 0) {
5543 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5544 return NT_STATUS_NO_SUCH_USER;
5545 }
5546
5547 if (num_result > 1) {
5548 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5549 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5550 }
5551
5552 entry = ldap_first_entry(priv2ld(ldap_state), result);
5553 if (!entry) {
5554 return NT_STATUS_UNSUCCESSFUL;
5555 }
5556
5557 /* it is just a posix account, retrieve the dn for later use */
5558 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5559 if (!dn) {
5560 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5561 return NT_STATUS_NO_MEMORY;
5562 }
5563
5564 /* try to remove memberships first */
5565 {
5566 NTSTATUS status;
5567 struct dom_sid *sids = NULL;
5568 gid_t *gids = NULL;
5569 uint32_t num_groups = 0;
5570 int i;
5571 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5572
5573 status = ldapsam_enum_group_memberships(my_methods,
5574 tmp_ctx,
5575 sam_acct,
5576 &sids,
5577 &gids,
5578 &num_groups);
5579 if (!NT_STATUS_IS_OK(status)) {
5580 goto delete_dn;
5581 }
5582
5583 for (i=0; i < num_groups; i++) {
5584
5585 uint32_t group_rid;
5586
5587 sid_peek_rid(&sids[i], &group_rid);
5588
5589 ldapsam_del_groupmem(my_methods,
5590 tmp_ctx,
5591 group_rid,
5592 user_rid);
5593 }
5594 }
5595
5596 delete_dn:
5597
5598 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5599 if (rc != LDAP_SUCCESS) {
5600 return NT_STATUS_UNSUCCESSFUL;
5601 }
5602
5603 flush_pwnam_cache();
5604
5605 return NT_STATUS_OK;
5606 }
5607
5608 /*
5609 * ldapsam_create_group creates a new
5610 * posixGroup and sambaGroupMapping object
5611 * in the ldap groups subtree
5612 *
5613 * The gid is allocated by winbindd.
5614 */
5615
5616 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5617 TALLOC_CTX *tmp_ctx,
5618 const char *name,
5619 uint32_t *rid)
5620 {
5621 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5622 NTSTATUS ret;
5623 LDAPMessage *entry = NULL;
5624 LDAPMessage *result = NULL;
5625 uint32_t num_result;
5626 bool is_new_entry = False;
5627 LDAPMod **mods = NULL;
5628 char *filter;
5629 char *groupsidstr;
5630 char *groupname;
5631 char *grouptype;
5632 char *gidstr;
5633 const char *dn = NULL;
5634 struct dom_sid group_sid;
5635 gid_t gid = -1;
5636 int rc;
5637
5638 groupname = escape_ldap_string(talloc_tos(), name);
5639 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5640 groupname, LDAP_OBJ_POSIXGROUP);
5641 TALLOC_FREE(groupname);
5642
5643 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5644 if (rc != LDAP_SUCCESS) {
5645 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5646 return NT_STATUS_UNSUCCESSFUL;
5647 }
5648 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5649
5650 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5651
5652 if (num_result > 1) {
5653 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5654 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5655 }
5656
5657 if (num_result == 1) {
5658 char *tmp;
5659 /* check if it is just a posix group.
5660 * or if there is a sid attached to this entry
5661 */
5662
5663 entry = ldap_first_entry(priv2ld(ldap_state), result);
5664 if (!entry) {
5665 return NT_STATUS_UNSUCCESSFUL;
5666 }
5667
5668 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5669 if (tmp) {
5670 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5671 return NT_STATUS_GROUP_EXISTS;
5672 }
5673
5674 /* it is just a posix group, retrieve the gid and the dn for later use */
5675 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5676 if (!tmp) {
5677 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5678 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5679 }
5680
5681 gid = strtoul(tmp, NULL, 10);
5682
5683 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5684 if (!dn) {
5685 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5686 return NT_STATUS_NO_MEMORY;
5687 }
5688 }
5689
5690 if (num_result == 0) {
5691 is_new_entry = true;
5692 }
5693
5694 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5695 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5696 return ret;
5697 }
5698
5699 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5700
5701 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5702 &group_sid));
5703 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5704
5705 if (!groupsidstr || !grouptype) {
5706 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5707 return NT_STATUS_NO_MEMORY;
5708 }
5709
5710 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5711 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5712 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5713 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5714
5715 if (is_new_entry) {
5716 char *escape_name;
5717
5718 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5719
5720 /* lets allocate a new groupid for this group */
5721 if (!winbind_allocate_gid(&gid)) {
5722 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5723 return NT_STATUS_UNSUCCESSFUL;
5724 }
5725
5726 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5727
5728 escape_name = escape_rdn_val_string_alloc(name);
5729 if (!escape_name) {
5730 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5731 return NT_STATUS_NO_MEMORY;
5732 }
5733
5734 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5735
5736 SAFE_FREE(escape_name);
5737
5738 if (!gidstr || !dn) {
5739 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5740 return NT_STATUS_NO_MEMORY;
5741 }
5742
5743 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5744 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5745 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5746 }
5747
5748 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5749
5750 if (is_new_entry) {
5751 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5752 #if 0
5753 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5754 /* This call may fail with rfc2307bis schema */
5755 /* Retry adding a structural class */
5756 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5757 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5758 }
5759 #endif
5760 } else {
5761 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5762 }
5763
5764 if (rc != LDAP_SUCCESS) {
5765 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5766 return NT_STATUS_UNSUCCESSFUL;
5767 }
5768
5769 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5770
5771 return NT_STATUS_OK;
5772 }
5773
5774 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5775 {
5776 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5777 LDAPMessage *result = NULL;
5778 LDAPMessage *entry = NULL;
5779 int num_result;
5780 const char *dn;
5781 char *gidstr;
5782 char *filter;
5783 struct dom_sid group_sid;
5784 int rc;
5785
5786 /* get the group sid */
5787 sid_compose(&group_sid, get_global_sam_sid(), rid);
5788
5789 filter = talloc_asprintf(tmp_ctx,
5790 "(&(sambaSID=%s)"
5791 "(objectClass=%s)"
5792 "(objectClass=%s))",
5793 sid_string_talloc(tmp_ctx, &group_sid),
5794 LDAP_OBJ_POSIXGROUP,
5795 LDAP_OBJ_GROUPMAP);
5796 if (filter == NULL) {
5797 return NT_STATUS_NO_MEMORY;
5798 }
5799
5800 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5801 if (rc != LDAP_SUCCESS) {
5802 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5803 return NT_STATUS_UNSUCCESSFUL;
5804 }
5805 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5806
5807 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5808
5809 if (num_result == 0) {
5810 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5811 return NT_STATUS_NO_SUCH_GROUP;
5812 }
5813
5814 if (num_result > 1) {
5815 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5816 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5817 }
5818
5819 entry = ldap_first_entry(priv2ld(ldap_state), result);
5820 if (!entry) {
5821 return NT_STATUS_UNSUCCESSFUL;
5822 }
5823
5824 /* here it is, retrieve the dn for later use */
5825 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5826 if (!dn) {
5827 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5828 return NT_STATUS_NO_MEMORY;
5829 }
5830
5831 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5832 if (!gidstr) {
5833 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5834 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5835 }
5836
5837 /* check no user have this group marked as primary group */
5838 filter = talloc_asprintf(tmp_ctx,
5839 "(&(gidNumber=%s)"
5840 "(objectClass=%s)"
5841 "(objectClass=%s))",
5842 gidstr,
5843 LDAP_OBJ_POSIXACCOUNT,
5844 LDAP_OBJ_SAMBASAMACCOUNT);
5845
5846 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5847 if (rc != LDAP_SUCCESS) {
5848 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5849 return NT_STATUS_UNSUCCESSFUL;
5850 }
5851 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5852
5853 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5854
5855 if (num_result != 0) {
5856 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5857 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5858 }
5859
5860 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5861 if (rc != LDAP_SUCCESS) {
5862 return NT_STATUS_UNSUCCESSFUL;
5863 }
5864
5865 return NT_STATUS_OK;
5866 }
5867
5868 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5869 TALLOC_CTX *tmp_ctx,
5870 uint32_t group_rid,
5871 uint32_t member_rid,
5872 int modop)
5873 {
5874 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5875 LDAPMessage *entry = NULL;
5876 LDAPMessage *result = NULL;
5877 uint32_t num_result;
5878 LDAPMod **mods = NULL;
5879 char *filter;
5880 char *uidstr;
5881 const char *dn = NULL;
5882 struct dom_sid group_sid;
5883 struct dom_sid member_sid;
5884 int rc;
5885
5886 switch (modop) {
5887 case LDAP_MOD_ADD:
5888 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5889 break;
5890 case LDAP_MOD_DELETE:
5891 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5892 break;
5893 default:
5894 return NT_STATUS_UNSUCCESSFUL;
5895 }
5896
5897 /* get member sid */
5898 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5899
5900 /* get the group sid */
5901 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5902
5903 filter = talloc_asprintf(tmp_ctx,
5904 "(&(sambaSID=%s)"
5905 "(objectClass=%s)"
5906 "(objectClass=%s))",
5907 sid_string_talloc(tmp_ctx, &member_sid),
5908 LDAP_OBJ_POSIXACCOUNT,
5909 LDAP_OBJ_SAMBASAMACCOUNT);
5910 if (filter == NULL) {
5911 return NT_STATUS_NO_MEMORY;
5912 }
5913
5914 /* get the member uid */
5915 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5916 if (rc != LDAP_SUCCESS) {
5917 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5918 return NT_STATUS_UNSUCCESSFUL;
5919 }
5920 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5921
5922 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5923
5924 if (num_result == 0) {
5925 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5926 return NT_STATUS_NO_SUCH_MEMBER;
5927 }
5928
5929 if (num_result > 1) {
5930 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5931 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5932 }
5933
5934 entry = ldap_first_entry(priv2ld(ldap_state), result);
5935 if (!entry) {
5936 return NT_STATUS_UNSUCCESSFUL;
5937 }
5938
5939 if (modop == LDAP_MOD_DELETE) {
5940 /* check if we are trying to remove the member from his primary group */
5941 char *gidstr;
5942 gid_t user_gid, group_gid;
5943
5944 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5945 if (!gidstr) {
5946 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5947 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5948 }
5949
5950 user_gid = strtoul(gidstr, NULL, 10);
5951
5952 if (!sid_to_gid(&group_sid, &group_gid)) {
5953 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5954 return NT_STATUS_UNSUCCESSFUL;
5955 }
5956
5957 if (user_gid == group_gid) {
5958 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5959 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5960 }
5961 }
5962
5963 /* here it is, retrieve the uid for later use */
5964 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5965 if (!uidstr) {
5966 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5967 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5968 }
5969
5970 filter = talloc_asprintf(tmp_ctx,
5971 "(&(sambaSID=%s)"
5972 "(objectClass=%s)"
5973 "(objectClass=%s))",
5974 sid_string_talloc(tmp_ctx, &group_sid),
5975 LDAP_OBJ_POSIXGROUP,
5976 LDAP_OBJ_GROUPMAP);
5977
5978 /* get the group */
5979 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5980 if (rc != LDAP_SUCCESS) {
5981 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5982 return NT_STATUS_UNSUCCESSFUL;
5983 }
5984 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5985
5986 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5987
5988 if (num_result == 0) {
5989 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5990 return NT_STATUS_NO_SUCH_GROUP;
5991 }
5992
5993 if (num_result > 1) {
5994 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5995 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5996 }
5997
5998 entry = ldap_first_entry(priv2ld(ldap_state), result);
5999 if (!entry) {
6000 return NT_STATUS_UNSUCCESSFUL;
6001 }
6002
6003 /* here it is, retrieve the dn for later use */
6004 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
6005 if (!dn) {
6006 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
6007 return NT_STATUS_NO_MEMORY;
6008 }
6009
6010 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
6011
6012 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
6013
6014 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6015 if (rc != LDAP_SUCCESS) {
6016 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
6017 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
6018 return NT_STATUS_MEMBER_IN_GROUP;
6019 }
6020 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
6021 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
6022 return NT_STATUS_MEMBER_NOT_IN_GROUP;
6023 }
6024 return NT_STATUS_UNSUCCESSFUL;
6025 }
6026
6027 return NT_STATUS_OK;
6028 }
6029
6030 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
6031 TALLOC_CTX *tmp_ctx,
6032 uint32_t group_rid,
6033 uint32_t member_rid)
6034 {
6035 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6036 }
6037 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6038 TALLOC_CTX *tmp_ctx,
6039 uint32_t group_rid,
6040 uint32_t member_rid)
6041 {
6042 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6043 }
6044
6045 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6046 TALLOC_CTX *mem_ctx,
6047 struct samu *sampass)
6048 {
6049 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6050 LDAPMessage *entry = NULL;
6051 LDAPMessage *result = NULL;
6052 uint32_t num_result;
6053 LDAPMod **mods = NULL;
6054 char *filter;
6055 char *escape_username;
6056 char *gidstr;
6057 char *dn = NULL;
6058 gid_t gid;
6059 int rc;
6060
6061 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6062
6063 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6064 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6065 return NT_STATUS_UNSUCCESSFUL;
6066 }
6067 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6068 if (!gidstr) {
6069 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6070 return NT_STATUS_NO_MEMORY;
6071 }
6072
6073 escape_username = escape_ldap_string(talloc_tos(),
6074 pdb_get_username(sampass));
6075 if (escape_username== NULL) {
6076 return NT_STATUS_NO_MEMORY;
6077 }
6078
6079 filter = talloc_asprintf(mem_ctx,
6080 "(&(uid=%s)"
6081 "(objectClass=%s)"
6082 "(objectClass=%s))",
6083 escape_username,
6084 LDAP_OBJ_POSIXACCOUNT,
6085 LDAP_OBJ_SAMBASAMACCOUNT);
6086
6087 TALLOC_FREE(escape_username);
6088
6089 if (filter == NULL) {
6090 return NT_STATUS_NO_MEMORY;
6091 }
6092
6093 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6094 if (rc != LDAP_SUCCESS) {
6095 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6096 return NT_STATUS_UNSUCCESSFUL;
6097 }
6098 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6099
6100 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6101
6102 if (num_result == 0) {
6103 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6104 return NT_STATUS_NO_SUCH_USER;
6105 }
6106
6107 if (num_result > 1) {
6108 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6109 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6110 }
6111
6112 entry = ldap_first_entry(priv2ld(ldap_state), result);
6113 if (!entry) {
6114 return NT_STATUS_UNSUCCESSFUL;
6115 }
6116
6117 /* retrieve the dn for later use */
6118 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6119 if (!dn) {
6120 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6121 return NT_STATUS_NO_MEMORY;
6122 }
6123
6124 /* remove the old one, and add the new one, this way we do not risk races */
6125 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6126
6127 if (mods == NULL) {
6128 TALLOC_FREE(dn);
6129 return NT_STATUS_OK;
6130 }
6131
6132 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6133 TALLOC_FREE(dn);
6134 if (rc != LDAP_SUCCESS) {
6135 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6136 pdb_get_username(sampass), gidstr));
6137 return NT_STATUS_UNSUCCESSFUL;
6138 }
6139
6140 flush_pwnam_cache();
6141
6142 return NT_STATUS_OK;
6143 }
6144
6145
6146 /**********************************************************************
6147 trusted domains functions
6148 *********************************************************************/
6149
6150 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6151 const char *domain)
6152 {
6153 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6154 ldap_state->domain_dn);
6155 }
6156
6157 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6158 TALLOC_CTX *mem_ctx,
6159 const char *domain, LDAPMessage **entry)
6160 {
6161 int rc;
6162 char *filter;
6163 int scope = LDAP_SCOPE_SUBTREE;
6164 const char **attrs = NULL; /* NULL: get all attrs */
6165 int attrsonly = 0; /* 0: return values too */
6166 LDAPMessage *result = NULL;
6167 char *trusted_dn;
6168 uint32_t num_result;
6169
6170 filter = talloc_asprintf(talloc_tos(),
6171 "(&(objectClass=%s)(sambaDomainName=%s))",
6172 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6173
6174 trusted_dn = trusteddom_dn(ldap_state, domain);
6175 if (trusted_dn == NULL) {
6176 return False;
6177 }
6178 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6179 filter, attrs, attrsonly, &result);
6180
6181 if (result != NULL) {
6182 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6183 }
6184
6185 if (rc == LDAP_NO_SUCH_OBJECT) {
6186 *entry = NULL;
6187 return True;
6188 }
6189
6190 if (rc != LDAP_SUCCESS) {
6191 return False;
6192 }
6193
6194 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6195
6196 if (num_result > 1) {
6197 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6198 "%s object for domain '%s'?!\n",
6199 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6200 return False;
6201 }
6202
6203 if (num_result == 0) {
6204 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6205 "%s object for domain %s.\n",
6206 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6207 *entry = NULL;
6208 } else {
6209 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6210 }
6211
6212 return True;
6213 }
6214
6215 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6216 const char *domain,
6217 char** pwd,
6218 struct dom_sid *sid,
6219 time_t *pass_last_set_time)
6220 {
6221 struct ldapsam_privates *ldap_state =
6222 (struct ldapsam_privates *)methods->private_data;
6223 LDAPMessage *entry = NULL;
6224
6225 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6226
6227 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6228 (entry == NULL))
6229 {
6230 return False;
6231 }
6232
6233 /* password */
6234 if (pwd != NULL) {
6235 char *pwd_str;
6236 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6237 entry, "sambaClearTextPassword", talloc_tos());
6238 if (pwd_str == NULL) {
6239 return False;
6240 }
6241 /* trusteddom_pw routines do not use talloc yet... */
6242 *pwd = SMB_STRDUP(pwd_str);
6243 if (*pwd == NULL) {
6244 return False;
6245 }
6246 }
6247
6248 /* last change time */
6249 if (pass_last_set_time != NULL) {
6250 char *time_str;
6251 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6252 entry, "sambaPwdLastSet", talloc_tos());
6253 if (time_str == NULL) {
6254 return False;
6255 }
6256 *pass_last_set_time = (time_t)atol(time_str);
6257 }
6258
6259 /* domain sid */
6260 if (sid != NULL) {
6261 char *sid_str;
6262 struct dom_sid dom_sid;
6263 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6264 entry, "sambaSID",
6265 talloc_tos());
6266 if (sid_str == NULL) {
6267 return False;
6268 }
6269 if (!string_to_sid(&dom_sid, sid_str)) {
6270 return False;
6271 }
6272 sid_copy(sid, &dom_sid);
6273 }
6274
6275 return True;
6276 }
6277
6278 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6279 const char* domain,
6280 const char* pwd,
6281 const struct dom_sid *sid)
6282 {
6283 struct ldapsam_privates *ldap_state =
6284 (struct ldapsam_privates *)methods->private_data;
6285 LDAPMessage *entry = NULL;
6286 LDAPMod **mods = NULL;
6287 char *prev_pwd = NULL;
6288 char *trusted_dn = NULL;
6289 int rc;
6290
6291 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6292
6293 /*
6294 * get the current entry (if there is one) in order to put the
6295 * current password into the previous password attribute
6296 */
6297 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6298 return False;
6299 }
6300
6301 mods = NULL;
6302 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6303 LDAP_OBJ_TRUSTDOM_PASSWORD);
6304 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6305 domain);
6306 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6307 sid_string_tos(sid));
6308 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6309 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6310 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6311 "sambaClearTextPassword", pwd);
6312
6313 if (entry != NULL) {
6314 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6315 entry, "sambaClearTextPassword", talloc_tos());
6316 if (prev_pwd != NULL) {
6317 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6318 "sambaPreviousClearTextPassword",
6319 prev_pwd);
6320 }
6321 }
6322
6323 smbldap_talloc_autofree_ldapmod(talloc_tos(), mods);
6324
6325 trusted_dn = trusteddom_dn(ldap_state, domain);
6326 if (trusted_dn == NULL) {
6327 return False;
6328 }
6329 if (entry == NULL) {
6330 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6331 } else {
6332 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6333 }
6334
6335 if (rc != LDAP_SUCCESS) {
6336 DEBUG(1, ("error writing trusted domain password!\n"));
6337 return False;
6338 }
6339
6340 return True;
6341 }
6342
6343 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6344 const char *domain)
6345 {
6346 int rc;
6347 struct ldapsam_privates *ldap_state =
6348 (struct ldapsam_privates *)methods->private_data;
6349 LDAPMessage *entry = NULL;
6350 const char *trusted_dn;
6351
6352 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6353 return False;
6354 }
6355
6356 if (entry == NULL) {
6357 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6358 "%s\n", domain));
6359 return True;
6360 }
6361
6362 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6363 entry);
6364 if (trusted_dn == NULL) {
6365 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6366 return False;
6367 }
6368
6369 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6370 if (rc != LDAP_SUCCESS) {
6371 return False;
6372 }
6373
6374 return True;
6375 }
6376
6377 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6378 TALLOC_CTX *mem_ctx,
6379 uint32_t *num_domains,
6380 struct trustdom_info ***domains)
6381 {
6382 int rc;
6383 struct ldapsam_privates *ldap_state =
6384 (struct ldapsam_privates *)methods->private_data;
6385 char *filter;
6386 int scope = LDAP_SCOPE_SUBTREE;
6387 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6388 int attrsonly = 0; /* 0: return values too */
6389 LDAPMessage *result = NULL;
6390 LDAPMessage *entry = NULL;
6391
6392 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6393 LDAP_OBJ_TRUSTDOM_PASSWORD);
6394
6395 rc = smbldap_search(ldap_state->smbldap_state,
6396 ldap_state->domain_dn,
6397 scope,
6398 filter,
6399 attrs,
6400 attrsonly,
6401 &result);
6402
6403 if (result != NULL) {
6404 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6405 }
6406
6407 if (rc != LDAP_SUCCESS) {
6408 return NT_STATUS_UNSUCCESSFUL;
6409 }
6410
6411 *num_domains = 0;
6412 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6413 DEBUG(1, ("talloc failed\n"));
6414 return NT_STATUS_NO_MEMORY;
6415 }
6416
6417 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6418 entry != NULL;
6419 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6420 {
6421 char *dom_name, *dom_sid_str;
6422 struct trustdom_info *dom_info;
6423
6424 dom_info = talloc(*domains, struct trustdom_info);
6425 if (dom_info == NULL) {
6426 DEBUG(1, ("talloc failed\n"));
6427 return NT_STATUS_NO_MEMORY;
6428 }
6429
6430 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6431 entry,
6432 "sambaDomainName",
6433 talloc_tos());
6434 if (dom_name == NULL) {
6435 DEBUG(1, ("talloc failed\n"));
6436 return NT_STATUS_NO_MEMORY;
6437 }
6438 dom_info->name = dom_name;
6439
6440 dom_sid_str = smbldap_talloc_single_attribute(
6441 priv2ld(ldap_state), entry, "sambaSID",
6442 talloc_tos());
6443 if (dom_sid_str == NULL) {
6444 DEBUG(1, ("talloc failed\n"));
6445 return NT_STATUS_NO_MEMORY;
6446 }
6447 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6448 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6449 dom_sid_str));
6450 return NT_STATUS_UNSUCCESSFUL;
6451 }
6452
6453 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6454 domains, num_domains);
6455
6456 if (*domains == NULL) {
6457 DEBUG(1, ("talloc failed\n"));
6458 return NT_STATUS_NO_MEMORY;
6459 }
6460 }
6461
6462 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6463 return NT_STATUS_OK;
6464 }
6465
6466
6467 /**********************************************************************
6468 Housekeeping
6469 *********************************************************************/
6470
6471 static void free_private_data(void **vp)
6472 {
6473 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6474
6475 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6476
6477 if ((*ldap_state)->result != NULL) {
6478 ldap_msgfree((*ldap_state)->result);
6479 (*ldap_state)->result = NULL;
6480 }
6481 if ((*ldap_state)->domain_dn != NULL) {
6482 SAFE_FREE((*ldap_state)->domain_dn);
6483 }
6484
6485 *ldap_state = NULL;
6486
6487 /* No need to free any further, as it is talloc()ed */
6488 }
6489
6490 /*********************************************************************
6491 Intitalise the parts of the pdb_methods structure that are common to
6492 all pdb_ldap modes
6493 *********************************************************************/
6494
6495 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6496 {
6497 NTSTATUS nt_status;
6498 struct ldapsam_privates *ldap_state;
6499 char *bind_dn = NULL;
6500 char *bind_secret = NULL;
6501
6502 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6503 return nt_status;
6504 }
6505
6506 (*pdb_method)->name = "ldapsam";
6507
6508 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6509 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6510 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6511 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6512 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6513 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6514
6515 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6516 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6517 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6518 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6519 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6520 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6521 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6522
6523 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6524 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6525
6526 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6527
6528 (*pdb_method)->capabilities = ldapsam_capabilities;
6529 (*pdb_method)->new_rid = ldapsam_new_rid;
6530
6531 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6532 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6533 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6534 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6535
6536 /* TODO: Setup private data and free */
6537
6538 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6539 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6540 return NT_STATUS_NO_MEMORY;
6541 }
6542
6543 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6544 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6545 return NT_STATUS_NO_MEMORY;
6546 }
6547
6548 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6549 location, false, bind_dn, bind_secret,
6550 &ldap_state->smbldap_state);
6551 memset(bind_secret, '\0', strlen(bind_secret));
6552 SAFE_FREE(bind_secret);
6553 SAFE_FREE(bind_dn);
6554 if ( !NT_STATUS_IS_OK(nt_status) ) {
6555 return nt_status;
6556 }
6557
6558 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6559 return NT_STATUS_NO_MEMORY;
6560 }
6561
6562 (*pdb_method)->private_data = ldap_state;
6563
6564 (*pdb_method)->free_private_data = free_private_data;
6565
6566 return NT_STATUS_OK;
6567 }
6568
6569 static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m)
6570 {
6571 return true;
6572 }
6573
6574 /**********************************************************************
6575 Initialise the normal mode for pdb_ldap
6576 *********************************************************************/
6577
6578 NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method,
6579 const char *location)
6580 {
6581 NTSTATUS nt_status;
6582 struct ldapsam_privates *ldap_state = NULL;
6583 uint32_t alg_rid_base;
6584 char *alg_rid_base_string = NULL;
6585 LDAPMessage *result = NULL;
6586 LDAPMessage *entry = NULL;
6587 struct dom_sid ldap_domain_sid;
6588 struct dom_sid secrets_domain_sid;
6589 char *domain_sid_string = NULL;
6590 char *dn = NULL;
6591 char *uri = talloc_strdup( NULL, location );
6592
6593 trim_char( uri, '\"', '\"' );
6594 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6595
6596 TALLOC_FREE(uri);
6597
6598 if (!NT_STATUS_IS_OK(nt_status)) {
6599 return nt_status;
6600 }
6601
6602 (*pdb_method)->name = "ldapsam";
6603
6604 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6605 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6606 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6607 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6608 (*pdb_method)->search_users = ldapsam_search_users;
6609 (*pdb_method)->search_groups = ldapsam_search_groups;
6610 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6611 (*pdb_method)->is_responsible_for_wellknown =
6612 ldapsam_is_responsible_for_wellknown;
6613
6614 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6615 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6616 (*pdb_method)->enum_group_memberships =
6617 ldapsam_enum_group_memberships;
6618 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6619 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6620 (*pdb_method)->id_to_sid = ldapsam_id_to_sid;
6621
6622 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6623 (*pdb_method)->create_user = ldapsam_create_user;
6624 (*pdb_method)->delete_user = ldapsam_delete_user;
6625 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6626 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6627 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6628 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6629 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6630 }
6631 }
6632
6633 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6634 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6635
6636 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6637
6638 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6639 &result,
6640 ldap_state->domain_name, True);
6641
6642 if ( !NT_STATUS_IS_OK(nt_status) ) {
6643 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6644 "info, nor add one to the domain. "
6645 "We cannot work reliably without it.\n"));
6646 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6647 }
6648
6649 /* Given that the above might fail, everything below this must be
6650 * optional */
6651
6652 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
6653 result);
6654 if (!entry) {
6655 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6656 "entry\n"));
6657 ldap_msgfree(result);
6658 return NT_STATUS_UNSUCCESSFUL;
6659 }
6660
6661 dn = smbldap_talloc_dn(talloc_tos(),
6662 smbldap_get_ldap(ldap_state->smbldap_state),
6663 entry);
6664 if (!dn) {
6665 ldap_msgfree(result);
6666 return NT_STATUS_UNSUCCESSFUL;
6667 }
6668
6669 ldap_state->domain_dn = smb_xstrdup(dn);
6670 TALLOC_FREE(dn);
6671
6672 domain_sid_string = smbldap_talloc_single_attribute(
6673 smbldap_get_ldap(ldap_state->smbldap_state),
6674 entry,
6675 get_userattr_key2string(ldap_state->schema_ver,
6676 LDAP_ATTR_USER_SID),
6677 talloc_tos());
6678
6679 if (domain_sid_string) {
6680 bool found_sid;
6681 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6682 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6683 "read as a valid SID\n", domain_sid_string));
6684 ldap_msgfree(result);
6685 TALLOC_FREE(domain_sid_string);
6686 return NT_STATUS_INVALID_PARAMETER;
6687 }
6688 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6689 &secrets_domain_sid);
6690 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6691 &ldap_domain_sid)) {
6692 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6693 "%s based on pdb_ldap results %s -> %s\n",
6694 ldap_state->domain_name,
6695 sid_string_dbg(&secrets_domain_sid),
6696 sid_string_dbg(&ldap_domain_sid)));
6697
6698 /* reset secrets.tdb sid */
6699 PDB_secrets_store_domain_sid(ldap_state->domain_name,
6700 &ldap_domain_sid);
6701 DEBUG(1, ("New global sam SID: %s\n",
6702 sid_string_dbg(get_global_sam_sid())));
6703 }
6704 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6705 TALLOC_FREE(domain_sid_string);
6706 }
6707
6708 alg_rid_base_string = smbldap_talloc_single_attribute(
6709 smbldap_get_ldap(ldap_state->smbldap_state),
6710 entry,
6711 get_attr_key2string( dominfo_attr_list,
6712 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6713 talloc_tos());
6714 if (alg_rid_base_string) {
6715 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6716 if (alg_rid_base != algorithmic_rid_base()) {
6717 DEBUG(0, ("The value of 'algorithmic RID base' has "
6718 "changed since the LDAP\n"
6719 "database was initialised. Aborting. \n"));
6720 ldap_msgfree(result);
6721 TALLOC_FREE(alg_rid_base_string);
6722 return NT_STATUS_UNSUCCESSFUL;
6723 }
6724 TALLOC_FREE(alg_rid_base_string);
6725 }
6726 ldap_msgfree(result);
6727
6728 return NT_STATUS_OK;
6729 }
6730
6731 NTSTATUS pdb_ldapsam_init(TALLOC_CTX *ctx)
6732 {
6733 NTSTATUS nt_status;
6734
6735 nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION,
6736 "ldapsam",
6737 pdb_ldapsam_init_common);
6738 if (!NT_STATUS_IS_OK(nt_status)) {
6739 return nt_status;
6740 }
6741
6742 /* Let pdb_nds register backends */
6743 pdb_nds_init(ctx);
6744
6745 return NT_STATUS_OK;
6746 }
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