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s3:pdb_ldap: fix a comment typo
[Samba.git] / source3 / passdb / pdb_ldap.c
blob90ac8e5ffa79e655c0b9b38925038f94bf4a5354
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 "../libcli/auth/libcli_auth.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 fstring objclass_filter;
164 char *result;
165
166 switch( schema_ver ) {
167 case SCHEMAVER_SAMBAACCOUNT:
168 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
169 break;
170 case SCHEMAVER_SAMBASAMACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
172 break;
173 default:
174 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
175 objclass_filter[0] = '\0';
176 break;
177 }
178
179 result = talloc_strdup(talloc_tos(), objclass_filter);
180 SMB_ASSERT(result != NULL);
181 return result;
182 }
183
184 /*****************************************************************
185 Scan a sequence number off OpenLDAP's syncrepl contextCSN
186 ******************************************************************/
187
188 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
189 {
190 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
191 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
192 LDAPMessage *msg = NULL;
193 LDAPMessage *entry = NULL;
194 TALLOC_CTX *mem_ctx;
195 char **values = NULL;
196 int rc, num_result, num_values, rid;
197 char *suffix = NULL;
198 char *tok;
199 const char *p;
200 const char **attrs;
201
202 /* Unfortunatly there is no proper way to detect syncrepl-support in
203 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
204 * but do not show up in the root-DSE yet. Neither we can query the
205 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
206 * objectclass. Currently we require lp_ldap_suffix() to show up as
207 * namingContext. - Guenther
208 */
209
210 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
211 return ntstatus;
212 }
213
214 if (!seq_num) {
215 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
216 return ntstatus;
217 }
218
219 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
220 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
221 "as top-level namingContext\n", lp_ldap_suffix()));
222 return ntstatus;
223 }
224
225 mem_ctx = talloc_init("ldapsam_get_seq_num");
226
227 if (mem_ctx == NULL)
228 return NT_STATUS_NO_MEMORY;
229
230 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
231 ntstatus = NT_STATUS_NO_MEMORY;
232 goto done;
233 }
234
235 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
236 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
237 if (rid > 0) {
238
239 /* consumer syncreplCookie: */
240 /* csn=20050126161620Z#0000001#00#00000 */
241 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
242 attrs[1] = NULL;
243 suffix = talloc_asprintf(mem_ctx,
244 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
245 if (!suffix) {
246 ntstatus = NT_STATUS_NO_MEMORY;
247 goto done;
248 }
249 } else {
250
251 /* provider contextCSN */
252 /* 20050126161620Z#000009#00#000000 */
253 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
254 attrs[1] = NULL;
255 suffix = talloc_asprintf(mem_ctx,
256 "cn=ldapsync,%s", lp_ldap_suffix());
257
258 if (!suffix) {
259 ntstatus = NT_STATUS_NO_MEMORY;
260 goto done;
261 }
262 }
263
264 rc = smbldap_search(ldap_state->smbldap_state, suffix,
265 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
266
267 if (rc != LDAP_SUCCESS) {
268 goto done;
269 }
270
271 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
272 if (num_result != 1) {
273 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
274 goto done;
275 }
276
277 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
278 if (entry == NULL) {
279 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
280 goto done;
281 }
282
283 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
284 if (values == NULL) {
285 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
286 goto done;
287 }
288
289 num_values = ldap_count_values(values);
290 if (num_values == 0) {
291 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
292 goto done;
293 }
294
295 p = values[0];
296 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
297 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
298 goto done;
299 }
300
301 p = tok;
302 if (!strncmp(p, "csn=", strlen("csn=")))
303 p += strlen("csn=");
304
305 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
306
307 *seq_num = generalized_to_unix_time(p);
308
309 /* very basic sanity check */
310 if (*seq_num <= 0) {
311 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
312 (int)*seq_num));
313 goto done;
314 }
315
316 ntstatus = NT_STATUS_OK;
317
318 done:
319 if (values != NULL)
320 ldap_value_free(values);
321 if (msg != NULL)
322 ldap_msgfree(msg);
323 if (mem_ctx)
324 talloc_destroy(mem_ctx);
325
326 return ntstatus;
327 }
328
329 /*******************************************************************
330 Run the search by name.
331 ******************************************************************/
332
333 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
334 const char *user,
335 LDAPMessage ** result,
336 const char **attr)
337 {
338 char *filter = NULL;
339 char *escape_user = escape_ldap_string(talloc_tos(), user);
340 int ret = -1;
341
342 if (!escape_user) {
343 return LDAP_NO_MEMORY;
344 }
345
346 /*
347 * in the filter expression, replace %u with the real name
348 * so in ldap filter, %u MUST exist :-)
349 */
350 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
351 get_objclass_filter(ldap_state->schema_ver));
352 if (!filter) {
353 TALLOC_FREE(escape_user);
354 return LDAP_NO_MEMORY;
355 }
356 /*
357 * have to use this here because $ is filtered out
358 * in string_sub
359 */
360
361 filter = talloc_all_string_sub(talloc_tos(),
362 filter, "%u", escape_user);
363 TALLOC_FREE(escape_user);
364 if (!filter) {
365 return LDAP_NO_MEMORY;
366 }
367
368 ret = smbldap_search_suffix(ldap_state->smbldap_state,
369 filter, attr, result);
370 TALLOC_FREE(filter);
371 return ret;
372 }
373
374 /*******************************************************************
375 Run the search by rid.
376 ******************************************************************/
377
378 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
379 uint32 rid, LDAPMessage ** result,
380 const char **attr)
381 {
382 char *filter = NULL;
383 int rc;
384
385 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
386 get_objclass_filter(ldap_state->schema_ver));
387 if (!filter) {
388 return LDAP_NO_MEMORY;
389 }
390
391 rc = smbldap_search_suffix(ldap_state->smbldap_state,
392 filter, attr, result);
393 TALLOC_FREE(filter);
394 return rc;
395 }
396
397 /*******************************************************************
398 Run the search by SID.
399 ******************************************************************/
400
401 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
402 const DOM_SID *sid, LDAPMessage ** result,
403 const char **attr)
404 {
405 char *filter = NULL;
406 int rc;
407 fstring sid_string;
408
409 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
410 get_userattr_key2string(ldap_state->schema_ver,
411 LDAP_ATTR_USER_SID),
412 sid_to_fstring(sid_string, sid),
413 get_objclass_filter(ldap_state->schema_ver));
414 if (!filter) {
415 return LDAP_NO_MEMORY;
416 }
417
418 rc = smbldap_search_suffix(ldap_state->smbldap_state,
419 filter, attr, result);
420
421 TALLOC_FREE(filter);
422 return rc;
423 }
424
425 /*******************************************************************
426 Delete complete object or objectclass and attrs from
427 object found in search_result depending on lp_ldap_delete_dn
428 ******************************************************************/
429
430 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
431 TALLOC_CTX *mem_ctx,
432 LDAPMessage *entry,
433 const char *objectclass,
434 const char **attrs)
435 {
436 LDAPMod **mods = NULL;
437 char *name;
438 const char *dn;
439 BerElement *ptr = NULL;
440
441 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
442 if (dn == NULL) {
443 return LDAP_NO_MEMORY;
444 }
445
446 if (lp_ldap_delete_dn()) {
447 return smbldap_delete(priv->smbldap_state, dn);
448 }
449
450 /* Ok, delete only the SAM attributes */
451
452 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
453 name != NULL;
454 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
455 const char **attrib;
456
457 /* We are only allowed to delete the attributes that
458 really exist. */
459
460 for (attrib = attrs; *attrib != NULL; attrib++) {
461 if (strequal(*attrib, name)) {
462 DEBUG(10, ("ldapsam_delete_entry: deleting "
463 "attribute %s\n", name));
464 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
465 NULL);
466 }
467 }
468 ldap_memfree(name);
469 }
470
471 if (ptr != NULL) {
472 ber_free(ptr, 0);
473 }
474
475 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
476 talloc_autofree_ldapmod(mem_ctx, mods);
477
478 return smbldap_modify(priv->smbldap_state, dn, mods);
479 }
480
481 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
482 {
483 char *temp;
484 struct tm tm;
485
486 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
487 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
488 talloc_tos());
489 if (!temp) {
490 return (time_t) 0;
491 }
492
493 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
494 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
495 (char*)temp));
496 TALLOC_FREE(temp);
497 return (time_t) 0;
498 }
499 TALLOC_FREE(temp);
500 tzset();
501 return timegm(&tm);
502 }
503
504 /**********************************************************************
505 Initialize struct samu from an LDAP query.
506 (Based on init_sam_from_buffer in pdb_tdb.c)
507 *********************************************************************/
508
509 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
510 struct samu * sampass,
511 LDAPMessage * entry)
512 {
513 time_t logon_time,
514 logoff_time,
515 kickoff_time,
516 pass_last_set_time,
517 pass_can_change_time,
518 pass_must_change_time,
519 ldap_entry_time,
520 bad_password_time;
521 char *username = NULL,
522 *domain = NULL,
523 *nt_username = NULL,
524 *fullname = NULL,
525 *homedir = NULL,
526 *dir_drive = NULL,
527 *logon_script = NULL,
528 *profile_path = NULL,
529 *acct_desc = NULL,
530 *workstations = NULL,
531 *munged_dial = NULL;
532 uint32 user_rid;
533 uint8 smblmpwd[LM_HASH_LEN],
534 smbntpwd[NT_HASH_LEN];
535 bool use_samba_attrs = True;
536 uint32 acct_ctrl = 0;
537 uint16 logon_divs;
538 uint16 bad_password_count = 0,
539 logon_count = 0;
540 uint32 hours_len;
541 uint8 hours[MAX_HOURS_LEN];
542 char *temp = NULL;
543 LOGIN_CACHE *cache_entry = NULL;
544 uint32 pwHistLen;
545 bool expand_explicit = lp_passdb_expand_explicit();
546 bool ret = false;
547 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
548
549 if (!ctx) {
550 return false;
551 }
552 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
553 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
554 goto fn_exit;
555 }
556
557 if (priv2ld(ldap_state) == NULL) {
558 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
559 "ldap_struct is NULL!\n"));
560 goto fn_exit;
561 }
562
563 if (!(username = smbldap_talloc_smallest_attribute(priv2ld(ldap_state),
564 entry,
565 "uid",
566 ctx))) {
567 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
568 "this user!\n"));
569 goto fn_exit;
570 }
571
572 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
573
574 nt_username = talloc_strdup(ctx, username);
575 if (!nt_username) {
576 goto fn_exit;
577 }
578
579 domain = talloc_strdup(ctx, ldap_state->domain_name);
580 if (!domain) {
581 goto fn_exit;
582 }
583
584 pdb_set_username(sampass, username, PDB_SET);
585
586 pdb_set_domain(sampass, domain, PDB_DEFAULT);
587 pdb_set_nt_username(sampass, nt_username, PDB_SET);
588
589 /* deal with different attributes between the schema first */
590
591 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
592 if ((temp = smbldap_talloc_single_attribute(
593 ldap_state->smbldap_state->ldap_struct,
594 entry,
595 get_userattr_key2string(ldap_state->schema_ver,
596 LDAP_ATTR_USER_SID),
597 ctx))!=NULL) {
598 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
599 }
600 } else {
601 if ((temp = smbldap_talloc_single_attribute(
602 ldap_state->smbldap_state->ldap_struct,
603 entry,
604 get_userattr_key2string(ldap_state->schema_ver,
605 LDAP_ATTR_USER_RID),
606 ctx))!=NULL) {
607 user_rid = (uint32)atol(temp);
608 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
609 }
610 }
611
612 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
613 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
614 get_userattr_key2string(ldap_state->schema_ver,
615 LDAP_ATTR_USER_SID),
616 get_userattr_key2string(ldap_state->schema_ver,
617 LDAP_ATTR_USER_RID),
618 username));
619 return False;
620 }
621
622 temp = smbldap_talloc_single_attribute(
623 ldap_state->smbldap_state->ldap_struct,
624 entry,
625 get_userattr_key2string(ldap_state->schema_ver,
626 LDAP_ATTR_PWD_LAST_SET),
627 ctx);
628 if (temp) {
629 pass_last_set_time = (time_t) atol(temp);
630 pdb_set_pass_last_set_time(sampass,
631 pass_last_set_time, PDB_SET);
632 }
633
634 temp = smbldap_talloc_single_attribute(
635 ldap_state->smbldap_state->ldap_struct,
636 entry,
637 get_userattr_key2string(ldap_state->schema_ver,
638 LDAP_ATTR_LOGON_TIME),
639 ctx);
640 if (temp) {
641 logon_time = (time_t) atol(temp);
642 pdb_set_logon_time(sampass, logon_time, PDB_SET);
643 }
644
645 temp = smbldap_talloc_single_attribute(
646 ldap_state->smbldap_state->ldap_struct,
647 entry,
648 get_userattr_key2string(ldap_state->schema_ver,
649 LDAP_ATTR_LOGOFF_TIME),
650 ctx);
651 if (temp) {
652 logoff_time = (time_t) atol(temp);
653 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
654 }
655
656 temp = smbldap_talloc_single_attribute(
657 ldap_state->smbldap_state->ldap_struct,
658 entry,
659 get_userattr_key2string(ldap_state->schema_ver,
660 LDAP_ATTR_KICKOFF_TIME),
661 ctx);
662 if (temp) {
663 kickoff_time = (time_t) atol(temp);
664 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
665 }
666
667 temp = smbldap_talloc_single_attribute(
668 ldap_state->smbldap_state->ldap_struct,
669 entry,
670 get_userattr_key2string(ldap_state->schema_ver,
671 LDAP_ATTR_PWD_CAN_CHANGE),
672 ctx);
673 if (temp) {
674 pass_can_change_time = (time_t) atol(temp);
675 pdb_set_pass_can_change_time(sampass,
676 pass_can_change_time, PDB_SET);
677 }
678
679 temp = smbldap_talloc_single_attribute(
680 ldap_state->smbldap_state->ldap_struct,
681 entry,
682 get_userattr_key2string(ldap_state->schema_ver,
683 LDAP_ATTR_PWD_MUST_CHANGE),
684 ctx);
685 if (temp) {
686 pass_must_change_time = (time_t) atol(temp);
687 pdb_set_pass_must_change_time(sampass,
688 pass_must_change_time, PDB_SET);
689 }
690
691 /* recommend that 'gecos' and 'displayName' should refer to the same
692 * attribute OID. userFullName depreciated, only used by Samba
693 * primary rules of LDAP: don't make a new attribute when one is already defined
694 * that fits your needs; using cn then displayName rather than 'userFullName'
695 */
696
697 fullname = smbldap_talloc_single_attribute(
698 ldap_state->smbldap_state->ldap_struct,
699 entry,
700 get_userattr_key2string(ldap_state->schema_ver,
701 LDAP_ATTR_DISPLAY_NAME),
702 ctx);
703 if (fullname) {
704 pdb_set_fullname(sampass, fullname, PDB_SET);
705 } else {
706 fullname = smbldap_talloc_single_attribute(
707 ldap_state->smbldap_state->ldap_struct,
708 entry,
709 get_userattr_key2string(ldap_state->schema_ver,
710 LDAP_ATTR_CN),
711 ctx);
712 if (fullname) {
713 pdb_set_fullname(sampass, fullname, PDB_SET);
714 }
715 }
716
717 dir_drive = smbldap_talloc_single_attribute(
718 ldap_state->smbldap_state->ldap_struct,
719 entry,
720 get_userattr_key2string(ldap_state->schema_ver,
721 LDAP_ATTR_HOME_DRIVE),
722 ctx);
723 if (dir_drive) {
724 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
725 } else {
726 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
727 }
728
729 homedir = smbldap_talloc_single_attribute(
730 ldap_state->smbldap_state->ldap_struct,
731 entry,
732 get_userattr_key2string(ldap_state->schema_ver,
733 LDAP_ATTR_HOME_PATH),
734 ctx);
735 if (homedir) {
736 if (expand_explicit) {
737 homedir = talloc_sub_basic(ctx,
738 username,
739 domain,
740 homedir);
741 if (!homedir) {
742 goto fn_exit;
743 }
744 }
745 pdb_set_homedir(sampass, homedir, PDB_SET);
746 } else {
747 pdb_set_homedir(sampass,
748 talloc_sub_basic(ctx, username, domain,
749 lp_logon_home()),
750 PDB_DEFAULT);
751 }
752
753 logon_script = smbldap_talloc_single_attribute(
754 ldap_state->smbldap_state->ldap_struct,
755 entry,
756 get_userattr_key2string(ldap_state->schema_ver,
757 LDAP_ATTR_LOGON_SCRIPT),
758 ctx);
759 if (logon_script) {
760 if (expand_explicit) {
761 logon_script = talloc_sub_basic(ctx,
762 username,
763 domain,
764 logon_script);
765 if (!logon_script) {
766 goto fn_exit;
767 }
768 }
769 pdb_set_logon_script(sampass, logon_script, PDB_SET);
770 } else {
771 pdb_set_logon_script(sampass,
772 talloc_sub_basic(ctx, username, domain,
773 lp_logon_script()),
774 PDB_DEFAULT );
775 }
776
777 profile_path = smbldap_talloc_single_attribute(
778 ldap_state->smbldap_state->ldap_struct,
779 entry,
780 get_userattr_key2string(ldap_state->schema_ver,
781 LDAP_ATTR_PROFILE_PATH),
782 ctx);
783 if (profile_path) {
784 if (expand_explicit) {
785 profile_path = talloc_sub_basic(ctx,
786 username,
787 domain,
788 profile_path);
789 if (!profile_path) {
790 goto fn_exit;
791 }
792 }
793 pdb_set_profile_path(sampass, profile_path, PDB_SET);
794 } else {
795 pdb_set_profile_path(sampass,
796 talloc_sub_basic(ctx, username, domain,
797 lp_logon_path()),
798 PDB_DEFAULT );
799 }
800
801 acct_desc = smbldap_talloc_single_attribute(
802 ldap_state->smbldap_state->ldap_struct,
803 entry,
804 get_userattr_key2string(ldap_state->schema_ver,
805 LDAP_ATTR_DESC),
806 ctx);
807 if (acct_desc) {
808 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
809 }
810
811 workstations = smbldap_talloc_single_attribute(
812 ldap_state->smbldap_state->ldap_struct,
813 entry,
814 get_userattr_key2string(ldap_state->schema_ver,
815 LDAP_ATTR_USER_WKS),
816 ctx);
817 if (workstations) {
818 pdb_set_workstations(sampass, workstations, PDB_SET);
819 }
820
821 munged_dial = smbldap_talloc_single_attribute(
822 ldap_state->smbldap_state->ldap_struct,
823 entry,
824 get_userattr_key2string(ldap_state->schema_ver,
825 LDAP_ATTR_MUNGED_DIAL),
826 ctx);
827 if (munged_dial) {
828 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
829 }
830
831 /* FIXME: hours stuff should be cleaner */
832
833 logon_divs = 168;
834 hours_len = 21;
835 memset(hours, 0xff, hours_len);
836
837 if (ldap_state->is_nds_ldap) {
838 char *user_dn;
839 size_t pwd_len;
840 char clear_text_pw[512];
841
842 /* Make call to Novell eDirectory ldap extension to get clear text password.
843 NOTE: This will only work if we have an SSL connection to eDirectory. */
844 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
845 if (user_dn != NULL) {
846 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
847
848 pwd_len = sizeof(clear_text_pw);
849 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
850 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
851 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
852 TALLOC_FREE(user_dn);
853 return False;
854 }
855 ZERO_STRUCT(smblmpwd);
856 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
857 TALLOC_FREE(user_dn);
858 return False;
859 }
860 ZERO_STRUCT(smbntpwd);
861 use_samba_attrs = False;
862 }
863
864 TALLOC_FREE(user_dn);
865
866 } else {
867 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
868 }
869 }
870
871 if (use_samba_attrs) {
872 temp = smbldap_talloc_single_attribute(
873 ldap_state->smbldap_state->ldap_struct,
874 entry,
875 get_userattr_key2string(ldap_state->schema_ver,
876 LDAP_ATTR_LMPW),
877 ctx);
878 if (temp) {
879 pdb_gethexpwd(temp, smblmpwd);
880 memset((char *)temp, '\0', strlen(temp)+1);
881 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
882 goto fn_exit;
883 }
884 ZERO_STRUCT(smblmpwd);
885 }
886
887 temp = smbldap_talloc_single_attribute(
888 ldap_state->smbldap_state->ldap_struct,
889 entry,
890 get_userattr_key2string(ldap_state->schema_ver,
891 LDAP_ATTR_NTPW),
892 ctx);
893 if (temp) {
894 pdb_gethexpwd(temp, smbntpwd);
895 memset((char *)temp, '\0', strlen(temp)+1);
896 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
897 goto fn_exit;
898 }
899 ZERO_STRUCT(smbntpwd);
900 }
901 }
902
903 pwHistLen = 0;
904
905 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
906 if (pwHistLen > 0){
907 uint8 *pwhist = NULL;
908 int i;
909 char *history_string = TALLOC_ARRAY(ctx, char,
910 MAX_PW_HISTORY_LEN*64);
911
912 if (!history_string) {
913 goto fn_exit;
914 }
915
916 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
917
918 if ((pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN)) ==
920 NULL){
921 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
922 goto fn_exit;
923 }
924 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
925
926 if (smbldap_get_single_attribute(
927 ldap_state->smbldap_state->ldap_struct,
928 entry,
929 get_userattr_key2string(ldap_state->schema_ver,
930 LDAP_ATTR_PWD_HISTORY),
931 history_string,
932 MAX_PW_HISTORY_LEN*64)) {
933 bool hex_failed = false;
934 for (i = 0; i < pwHistLen; i++){
935 /* Get the 16 byte salt. */
936 if (!pdb_gethexpwd(&history_string[i*64],
937 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
938 hex_failed = true;
939 break;
940 }
941 /* Get the 16 byte MD5 hash of salt+passwd. */
942 if (!pdb_gethexpwd(&history_string[(i*64)+32],
943 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
944 PW_HISTORY_SALT_LEN])) {
945 hex_failed = True;
946 break;
947 }
948 }
949 if (hex_failed) {
950 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
951 username));
952 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
953 }
954 }
955 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
956 goto fn_exit;
957 }
958 }
959
960 temp = smbldap_talloc_single_attribute(
961 ldap_state->smbldap_state->ldap_struct,
962 entry,
963 get_userattr_key2string(ldap_state->schema_ver,
964 LDAP_ATTR_ACB_INFO),
965 ctx);
966 if (temp) {
967 acct_ctrl = pdb_decode_acct_ctrl(temp);
968
969 if (acct_ctrl == 0) {
970 acct_ctrl |= ACB_NORMAL;
971 }
972
973 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
974 } else {
975 acct_ctrl |= ACB_NORMAL;
976 }
977
978 pdb_set_hours_len(sampass, hours_len, PDB_SET);
979 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
980
981 temp = smbldap_talloc_single_attribute(
982 ldap_state->smbldap_state->ldap_struct,
983 entry,
984 get_userattr_key2string(ldap_state->schema_ver,
985 LDAP_ATTR_BAD_PASSWORD_COUNT),
986 ctx);
987 if (temp) {
988 bad_password_count = (uint32) atol(temp);
989 pdb_set_bad_password_count(sampass,
990 bad_password_count, PDB_SET);
991 }
992
993 temp = smbldap_talloc_single_attribute(
994 ldap_state->smbldap_state->ldap_struct,
995 entry,
996 get_userattr_key2string(ldap_state->schema_ver,
997 LDAP_ATTR_BAD_PASSWORD_TIME),
998 ctx);
999 if (temp) {
1000 bad_password_time = (time_t) atol(temp);
1001 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1002 }
1003
1004
1005 temp = smbldap_talloc_single_attribute(
1006 ldap_state->smbldap_state->ldap_struct,
1007 entry,
1008 get_userattr_key2string(ldap_state->schema_ver,
1009 LDAP_ATTR_LOGON_COUNT),
1010 ctx);
1011 if (temp) {
1012 logon_count = (uint32) atol(temp);
1013 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1014 }
1015
1016 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1017
1018 temp = smbldap_talloc_single_attribute(
1019 ldap_state->smbldap_state->ldap_struct,
1020 entry,
1021 get_userattr_key2string(ldap_state->schema_ver,
1022 LDAP_ATTR_LOGON_HOURS),
1023 ctx);
1024 if (temp) {
1025 pdb_gethexhours(temp, hours);
1026 memset((char *)temp, '\0', strlen(temp) +1);
1027 pdb_set_hours(sampass, hours, PDB_SET);
1028 ZERO_STRUCT(hours);
1029 }
1030
1031 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1032 temp = smbldap_talloc_single_attribute(
1033 priv2ld(ldap_state),
1034 entry,
1035 "uidNumber",
1036 ctx);
1037 if (temp) {
1038 /* We've got a uid, feed the cache */
1039 uid_t uid = strtoul(temp, NULL, 10);
1040 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
1041 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass), uid);
1042 }
1043 }
1044
1045 /* check the timestamp of the cache vs ldap entry */
1046 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1047 entry))) {
1048 ret = true;
1049 goto fn_exit;
1050 }
1051
1052 /* see if we have newer updates */
1053 if (!(cache_entry = login_cache_read(sampass))) {
1054 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1055 (unsigned int)pdb_get_bad_password_count(sampass),
1056 (unsigned int)pdb_get_bad_password_time(sampass)));
1057 ret = true;
1058 goto fn_exit;
1059 }
1060
1061 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1062 (unsigned int)ldap_entry_time,
1063 (unsigned int)cache_entry->entry_timestamp,
1064 (unsigned int)cache_entry->bad_password_time));
1065
1066 if (ldap_entry_time > cache_entry->entry_timestamp) {
1067 /* cache is older than directory , so
1068 we need to delete the entry but allow the
1069 fields to be written out */
1070 login_cache_delentry(sampass);
1071 } else {
1072 /* read cache in */
1073 pdb_set_acct_ctrl(sampass,
1074 pdb_get_acct_ctrl(sampass) |
1075 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
1076 PDB_SET);
1077 pdb_set_bad_password_count(sampass,
1078 cache_entry->bad_password_count,
1079 PDB_SET);
1080 pdb_set_bad_password_time(sampass,
1081 cache_entry->bad_password_time,
1082 PDB_SET);
1083 }
1084
1085 ret = true;
1086
1087 fn_exit:
1088
1089 TALLOC_FREE(ctx);
1090 SAFE_FREE(cache_entry);
1091 return ret;
1092 }
1093
1094 /**********************************************************************
1095 Initialize the ldap db from a struct samu. Called on update.
1096 (Based on init_buffer_from_sam in pdb_tdb.c)
1097 *********************************************************************/
1098
1099 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1100 LDAPMessage *existing,
1101 LDAPMod *** mods, struct samu * sampass,
1102 bool (*need_update)(const struct samu *,
1103 enum pdb_elements))
1104 {
1105 char *temp = NULL;
1106 uint32 rid;
1107
1108 if (mods == NULL || sampass == NULL) {
1109 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1110 return False;
1111 }
1112
1113 *mods = NULL;
1114
1115 /*
1116 * took out adding "objectclass: sambaAccount"
1117 * do this on a per-mod basis
1118 */
1119 if (need_update(sampass, PDB_USERNAME)) {
1120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1121 "uid", pdb_get_username(sampass));
1122 if (ldap_state->is_nds_ldap) {
1123 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1124 "cn", pdb_get_username(sampass));
1125 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1126 "sn", pdb_get_username(sampass));
1127 }
1128 }
1129
1130 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1131
1132 /* only update the RID if we actually need to */
1133 if (need_update(sampass, PDB_USERSID)) {
1134 fstring sid_string;
1135 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1136
1137 switch ( ldap_state->schema_ver ) {
1138 case SCHEMAVER_SAMBAACCOUNT:
1139 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1140 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1141 sid_string_dbg(user_sid),
1142 sid_string_dbg(
1143 &ldap_state->domain_sid)));
1144 return False;
1145 }
1146 if (asprintf(&temp, "%i", rid) < 0) {
1147 return false;
1148 }
1149 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1150 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1151 temp);
1152 SAFE_FREE(temp);
1153 break;
1154
1155 case SCHEMAVER_SAMBASAMACCOUNT:
1156 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1157 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1158 sid_to_fstring(sid_string, user_sid));
1159 break;
1160
1161 default:
1162 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1163 break;
1164 }
1165 }
1166
1167 /* we don't need to store the primary group RID - so leaving it
1168 'free' to hang off the unix primary group makes life easier */
1169
1170 if (need_update(sampass, PDB_GROUPSID)) {
1171 fstring sid_string;
1172 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1173
1174 switch ( ldap_state->schema_ver ) {
1175 case SCHEMAVER_SAMBAACCOUNT:
1176 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1177 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1178 sid_string_dbg(group_sid),
1179 sid_string_dbg(
1180 &ldap_state->domain_sid)));
1181 return False;
1182 }
1183
1184 if (asprintf(&temp, "%i", rid) < 0) {
1185 return false;
1186 }
1187 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1188 get_userattr_key2string(ldap_state->schema_ver,
1189 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1190 SAFE_FREE(temp);
1191 break;
1192
1193 case SCHEMAVER_SAMBASAMACCOUNT:
1194 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1195 get_userattr_key2string(ldap_state->schema_ver,
1196 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1197 break;
1198
1199 default:
1200 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1201 break;
1202 }
1203
1204 }
1205
1206 /* displayName, cn, and gecos should all be the same
1207 * most easily accomplished by giving them the same OID
1208 * gecos isn't set here b/c it should be handled by the
1209 * add-user script
1210 * We change displayName only and fall back to cn if
1211 * it does not exist.
1212 */
1213
1214 if (need_update(sampass, PDB_FULLNAME))
1215 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1216 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1217 pdb_get_fullname(sampass));
1218
1219 if (need_update(sampass, PDB_ACCTDESC))
1220 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1221 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1222 pdb_get_acct_desc(sampass));
1223
1224 if (need_update(sampass, PDB_WORKSTATIONS))
1225 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1226 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1227 pdb_get_workstations(sampass));
1228
1229 if (need_update(sampass, PDB_MUNGEDDIAL))
1230 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1231 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1232 pdb_get_munged_dial(sampass));
1233
1234 if (need_update(sampass, PDB_SMBHOME))
1235 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1236 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1237 pdb_get_homedir(sampass));
1238
1239 if (need_update(sampass, PDB_DRIVE))
1240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1241 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1242 pdb_get_dir_drive(sampass));
1243
1244 if (need_update(sampass, PDB_LOGONSCRIPT))
1245 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1246 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1247 pdb_get_logon_script(sampass));
1248
1249 if (need_update(sampass, PDB_PROFILE))
1250 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, 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(ldap_state->smbldap_state->ldap_struct, existing, mods,
1259 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1260 SAFE_FREE(temp);
1261
1262 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1263 return false;
1264 }
1265 if (need_update(sampass, PDB_LOGOFFTIME))
1266 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1267 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1268 SAFE_FREE(temp);
1269
1270 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1271 return false;
1272 }
1273 if (need_update(sampass, PDB_KICKOFFTIME))
1274 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1275 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1276 SAFE_FREE(temp);
1277
1278 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1279 return false;
1280 }
1281 if (need_update(sampass, PDB_CANCHANGETIME))
1282 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1283 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1284 SAFE_FREE(temp);
1285
1286 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1287 return false;
1288 }
1289 if (need_update(sampass, PDB_MUSTCHANGETIME))
1290 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1291 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1292 SAFE_FREE(temp);
1293
1294 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1295 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1296
1297 if (need_update(sampass, PDB_LMPASSWD)) {
1298 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1299 if (lm_pw) {
1300 char pwstr[34];
1301 pdb_sethexpwd(pwstr, lm_pw,
1302 pdb_get_acct_ctrl(sampass));
1303 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1304 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1305 pwstr);
1306 } else {
1307 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1308 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1309 NULL);
1310 }
1311 }
1312 if (need_update(sampass, PDB_NTPASSWD)) {
1313 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1314 if (nt_pw) {
1315 char pwstr[34];
1316 pdb_sethexpwd(pwstr, nt_pw,
1317 pdb_get_acct_ctrl(sampass));
1318 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1319 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1320 pwstr);
1321 } else {
1322 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1323 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1324 NULL);
1325 }
1326 }
1327
1328 if (need_update(sampass, PDB_PWHISTORY)) {
1329 char *pwstr = NULL;
1330 uint32 pwHistLen = 0;
1331 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1332
1333 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1334 if (!pwstr) {
1335 return false;
1336 }
1337 if (pwHistLen == 0) {
1338 /* Remove any password history from the LDAP store. */
1339 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1340 pwstr[64] = '\0';
1341 } else {
1342 int i;
1343 uint32 currHistLen = 0;
1344 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1345 if (pwhist != NULL) {
1346 /* We can only store (1024-1/64 password history entries. */
1347 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1348 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1349 /* Store the salt. */
1350 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1351 /* Followed by the md5 hash of salt + md4 hash */
1352 pdb_sethexpwd(&pwstr[(i*64)+32],
1353 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1354 DEBUG(100, ("pwstr=%s\n", pwstr));
1355 }
1356 }
1357 }
1358 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1359 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1360 pwstr);
1361 SAFE_FREE(pwstr);
1362 }
1363
1364 if (need_update(sampass, PDB_PASSLASTSET)) {
1365 if (asprintf(&temp, "%li",
1366 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1367 return false;
1368 }
1369 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1370 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1371 temp);
1372 SAFE_FREE(temp);
1373 }
1374 }
1375
1376 if (need_update(sampass, PDB_HOURS)) {
1377 const uint8 *hours = pdb_get_hours(sampass);
1378 if (hours) {
1379 char hourstr[44];
1380 pdb_sethexhours(hourstr, hours);
1381 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1382 existing,
1383 mods,
1384 get_userattr_key2string(ldap_state->schema_ver,
1385 LDAP_ATTR_LOGON_HOURS),
1386 hourstr);
1387 }
1388 }
1389
1390 if (need_update(sampass, PDB_ACCTCTRL))
1391 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1392 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1393 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1394
1395 /* password lockout cache:
1396 - If we are now autolocking or clearing, we write to ldap
1397 - If we are clearing, we delete the cache entry
1398 - If the count is > 0, we update the cache
1399
1400 This even means when autolocking, we cache, just in case the
1401 update doesn't work, and we have to cache the autolock flag */
1402
1403 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1404 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1405 uint16 badcount = pdb_get_bad_password_count(sampass);
1406 time_t badtime = pdb_get_bad_password_time(sampass);
1407 uint32 pol;
1408 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1409
1410 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1411 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1412
1413 if ((badcount >= pol) || (badcount == 0)) {
1414 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1415 (unsigned int)badcount, (unsigned int)badtime));
1416 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1417 return false;
1418 }
1419 smbldap_make_mod(
1420 ldap_state->smbldap_state->ldap_struct,
1421 existing, mods,
1422 get_userattr_key2string(
1423 ldap_state->schema_ver,
1424 LDAP_ATTR_BAD_PASSWORD_COUNT),
1425 temp);
1426 SAFE_FREE(temp);
1427
1428 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1429 return false;
1430 }
1431 smbldap_make_mod(
1432 ldap_state->smbldap_state->ldap_struct,
1433 existing, mods,
1434 get_userattr_key2string(
1435 ldap_state->schema_ver,
1436 LDAP_ATTR_BAD_PASSWORD_TIME),
1437 temp);
1438 SAFE_FREE(temp);
1439 }
1440 if (badcount == 0) {
1441 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1442 login_cache_delentry(sampass);
1443 } else {
1444 LOGIN_CACHE cache_entry;
1445
1446 cache_entry.entry_timestamp = time(NULL);
1447 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1448 cache_entry.bad_password_count = badcount;
1449 cache_entry.bad_password_time = badtime;
1450
1451 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1452 login_cache_write(sampass, cache_entry);
1453 }
1454 }
1455
1456 return True;
1457 }
1458
1459 /**********************************************************************
1460 End enumeration of the LDAP password list.
1461 *********************************************************************/
1462
1463 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1464 {
1465 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1466 if (ldap_state->result) {
1467 ldap_msgfree(ldap_state->result);
1468 ldap_state->result = NULL;
1469 }
1470 }
1471
1472 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1473 const char *new_attr)
1474 {
1475 int i;
1476
1477 if (new_attr == NULL) {
1478 return;
1479 }
1480
1481 for (i=0; (*attr_list)[i] != NULL; i++) {
1482 ;
1483 }
1484
1485 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1486 const char *, i+2);
1487 SMB_ASSERT((*attr_list) != NULL);
1488 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1489 (*attr_list)[i+1] = NULL;
1490 }
1491
1492 /**********************************************************************
1493 Get struct samu entry from LDAP by username.
1494 *********************************************************************/
1495
1496 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1497 {
1498 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1499 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1500 LDAPMessage *result = NULL;
1501 LDAPMessage *entry = NULL;
1502 int count;
1503 const char ** attr_list;
1504 int rc;
1505
1506 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1507 append_attr(user, &attr_list,
1508 get_userattr_key2string(ldap_state->schema_ver,
1509 LDAP_ATTR_MOD_TIMESTAMP));
1510 append_attr(user, &attr_list, "uidNumber");
1511 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1512 attr_list);
1513 TALLOC_FREE( attr_list );
1514
1515 if ( rc != LDAP_SUCCESS )
1516 return NT_STATUS_NO_SUCH_USER;
1517
1518 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1519
1520 if (count < 1) {
1521 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1522 ldap_msgfree(result);
1523 return NT_STATUS_NO_SUCH_USER;
1524 } else if (count > 1) {
1525 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1526 ldap_msgfree(result);
1527 return NT_STATUS_NO_SUCH_USER;
1528 }
1529
1530 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1531 if (entry) {
1532 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1533 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1534 ldap_msgfree(result);
1535 return NT_STATUS_NO_SUCH_USER;
1536 }
1537 pdb_set_backend_private_data(user, result, NULL,
1538 my_methods, PDB_CHANGED);
1539 talloc_autofree_ldapmsg(user, result);
1540 ret = NT_STATUS_OK;
1541 } else {
1542 ldap_msgfree(result);
1543 }
1544 return ret;
1545 }
1546
1547 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1548 const DOM_SID *sid, LDAPMessage **result)
1549 {
1550 int rc = -1;
1551 const char ** attr_list;
1552 uint32 rid;
1553
1554 switch ( ldap_state->schema_ver ) {
1555 case SCHEMAVER_SAMBASAMACCOUNT: {
1556 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1557 if (tmp_ctx == NULL) {
1558 return LDAP_NO_MEMORY;
1559 }
1560
1561 attr_list = get_userattr_list(tmp_ctx,
1562 ldap_state->schema_ver);
1563 append_attr(tmp_ctx, &attr_list,
1564 get_userattr_key2string(
1565 ldap_state->schema_ver,
1566 LDAP_ATTR_MOD_TIMESTAMP));
1567 append_attr(tmp_ctx, &attr_list, "uidNumber");
1568 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1569 result, attr_list);
1570 TALLOC_FREE(tmp_ctx);
1571
1572 if ( rc != LDAP_SUCCESS )
1573 return rc;
1574 break;
1575 }
1576
1577 case SCHEMAVER_SAMBAACCOUNT:
1578 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1579 return rc;
1580 }
1581
1582 attr_list = get_userattr_list(NULL,
1583 ldap_state->schema_ver);
1584 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1585 TALLOC_FREE( attr_list );
1586
1587 if ( rc != LDAP_SUCCESS )
1588 return rc;
1589 break;
1590 }
1591 return rc;
1592 }
1593
1594 /**********************************************************************
1595 Get struct samu entry from LDAP by SID.
1596 *********************************************************************/
1597
1598 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1599 {
1600 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1601 LDAPMessage *result = NULL;
1602 LDAPMessage *entry = NULL;
1603 int count;
1604 int rc;
1605
1606 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1607 sid, &result);
1608 if (rc != LDAP_SUCCESS)
1609 return NT_STATUS_NO_SUCH_USER;
1610
1611 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1612
1613 if (count < 1) {
1614 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1615 "count=%d\n", sid_string_dbg(sid), count));
1616 ldap_msgfree(result);
1617 return NT_STATUS_NO_SUCH_USER;
1618 } else if (count > 1) {
1619 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1620 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1621 count));
1622 ldap_msgfree(result);
1623 return NT_STATUS_NO_SUCH_USER;
1624 }
1625
1626 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1627 if (!entry) {
1628 ldap_msgfree(result);
1629 return NT_STATUS_NO_SUCH_USER;
1630 }
1631
1632 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1633 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1634 ldap_msgfree(result);
1635 return NT_STATUS_NO_SUCH_USER;
1636 }
1637
1638 pdb_set_backend_private_data(user, result, NULL,
1639 my_methods, PDB_CHANGED);
1640 talloc_autofree_ldapmsg(user, result);
1641 return NT_STATUS_OK;
1642 }
1643
1644 /********************************************************************
1645 Do the actual modification - also change a plaintext passord if
1646 it it set.
1647 **********************************************************************/
1648
1649 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1650 struct samu *newpwd, char *dn,
1651 LDAPMod **mods, int ldap_op,
1652 bool (*need_update)(const struct samu *, enum pdb_elements))
1653 {
1654 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1655 int rc;
1656
1657 if (!newpwd || !dn) {
1658 return NT_STATUS_INVALID_PARAMETER;
1659 }
1660
1661 if (!mods) {
1662 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1663 /* may be password change below however */
1664 } else {
1665 switch(ldap_op) {
1666 case LDAP_MOD_ADD:
1667 if (ldap_state->is_nds_ldap) {
1668 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1669 "objectclass",
1670 "inetOrgPerson");
1671 } else {
1672 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1673 "objectclass",
1674 LDAP_OBJ_ACCOUNT);
1675 }
1676 rc = smbldap_add(ldap_state->smbldap_state,
1677 dn, mods);
1678 break;
1679 case LDAP_MOD_REPLACE:
1680 rc = smbldap_modify(ldap_state->smbldap_state,
1681 dn ,mods);
1682 break;
1683 default:
1684 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1685 ldap_op));
1686 return NT_STATUS_INVALID_PARAMETER;
1687 }
1688
1689 if (rc!=LDAP_SUCCESS) {
1690 return NT_STATUS_UNSUCCESSFUL;
1691 }
1692 }
1693
1694 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1695 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1696 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1697 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1698 BerElement *ber;
1699 struct berval *bv;
1700 char *retoid = NULL;
1701 struct berval *retdata = NULL;
1702 char *utf8_password;
1703 char *utf8_dn;
1704 size_t converted_size;
1705 int ret;
1706
1707 if (!ldap_state->is_nds_ldap) {
1708
1709 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1710 LDAP_EXOP_MODIFY_PASSWD)) {
1711 DEBUG(2, ("ldap password change requested, but LDAP "
1712 "server does not support it -- ignoring\n"));
1713 return NT_STATUS_OK;
1714 }
1715 }
1716
1717 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1718 pdb_get_plaintext_passwd(newpwd),
1719 &converted_size))
1720 {
1721 return NT_STATUS_NO_MEMORY;
1722 }
1723
1724 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1725 TALLOC_FREE(utf8_password);
1726 return NT_STATUS_NO_MEMORY;
1727 }
1728
1729 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1730 DEBUG(0,("ber_alloc_t returns NULL\n"));
1731 TALLOC_FREE(utf8_password);
1732 TALLOC_FREE(utf8_dn);
1733 return NT_STATUS_UNSUCCESSFUL;
1734 }
1735
1736 if ((ber_printf (ber, "{") < 0) ||
1737 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1738 utf8_dn) < 0)) {
1739 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1740 "value <0\n"));
1741 ber_free(ber,1);
1742 TALLOC_FREE(utf8_dn);
1743 TALLOC_FREE(utf8_password);
1744 return NT_STATUS_UNSUCCESSFUL;
1745 }
1746
1747 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1748 ret = ber_printf(ber, "ts}",
1749 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1750 utf8_password);
1751 } else {
1752 ret = ber_printf(ber, "}");
1753 }
1754
1755 if (ret < 0) {
1756 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1757 "value <0\n"));
1758 ber_free(ber,1);
1759 TALLOC_FREE(utf8_dn);
1760 TALLOC_FREE(utf8_password);
1761 return NT_STATUS_UNSUCCESSFUL;
1762 }
1763
1764 if ((rc = ber_flatten (ber, &bv))<0) {
1765 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1766 ber_free(ber,1);
1767 TALLOC_FREE(utf8_dn);
1768 TALLOC_FREE(utf8_password);
1769 return NT_STATUS_UNSUCCESSFUL;
1770 }
1771
1772 TALLOC_FREE(utf8_dn);
1773 TALLOC_FREE(utf8_password);
1774 ber_free(ber, 1);
1775
1776 if (!ldap_state->is_nds_ldap) {
1777 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1778 LDAP_EXOP_MODIFY_PASSWD,
1779 bv, NULL, NULL, &retoid,
1780 &retdata);
1781 } else {
1782 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1783 pdb_get_plaintext_passwd(newpwd));
1784 }
1785 if (rc != LDAP_SUCCESS) {
1786 char *ld_error = NULL;
1787
1788 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1789 DEBUG(3, ("Could not set userPassword "
1790 "attribute due to an objectClass "
1791 "violation -- ignoring\n"));
1792 ber_bvfree(bv);
1793 return NT_STATUS_OK;
1794 }
1795
1796 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1797 &ld_error);
1798 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1799 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1800 SAFE_FREE(ld_error);
1801 ber_bvfree(bv);
1802 #if defined(LDAP_CONSTRAINT_VIOLATION)
1803 if (rc == LDAP_CONSTRAINT_VIOLATION)
1804 return NT_STATUS_PASSWORD_RESTRICTION;
1805 #endif
1806 return NT_STATUS_UNSUCCESSFUL;
1807 } else {
1808 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1809 #ifdef DEBUG_PASSWORD
1810 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1811 #endif
1812 if (retdata)
1813 ber_bvfree(retdata);
1814 if (retoid)
1815 ldap_memfree(retoid);
1816 }
1817 ber_bvfree(bv);
1818 }
1819 return NT_STATUS_OK;
1820 }
1821
1822 /**********************************************************************
1823 Delete entry from LDAP for username.
1824 *********************************************************************/
1825
1826 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1827 struct samu * sam_acct)
1828 {
1829 struct ldapsam_privates *priv =
1830 (struct ldapsam_privates *)my_methods->private_data;
1831 const char *sname;
1832 int rc;
1833 LDAPMessage *msg, *entry;
1834 NTSTATUS result = NT_STATUS_NO_MEMORY;
1835 const char **attr_list;
1836 TALLOC_CTX *mem_ctx;
1837
1838 if (!sam_acct) {
1839 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1840 return NT_STATUS_INVALID_PARAMETER;
1841 }
1842
1843 sname = pdb_get_username(sam_acct);
1844
1845 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1846 "LDAP.\n", sname));
1847
1848 mem_ctx = talloc_new(NULL);
1849 if (mem_ctx == NULL) {
1850 DEBUG(0, ("talloc_new failed\n"));
1851 goto done;
1852 }
1853
1854 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1855 if (attr_list == NULL) {
1856 goto done;
1857 }
1858
1859 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1860
1861 if ((rc != LDAP_SUCCESS) ||
1862 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1863 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1864 DEBUG(5, ("Could not find user %s\n", sname));
1865 result = NT_STATUS_NO_SUCH_USER;
1866 goto done;
1867 }
1868
1869 rc = ldapsam_delete_entry(
1870 priv, mem_ctx, entry,
1871 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1872 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1873 attr_list);
1874
1875 result = (rc == LDAP_SUCCESS) ?
1876 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1877
1878 done:
1879 TALLOC_FREE(mem_ctx);
1880 return result;
1881 }
1882
1883 /**********************************************************************
1884 Helper function to determine for update_sam_account whether
1885 we need LDAP modification.
1886 *********************************************************************/
1887
1888 static bool element_is_changed(const struct samu *sampass,
1889 enum pdb_elements element)
1890 {
1891 return IS_SAM_CHANGED(sampass, element);
1892 }
1893
1894 /**********************************************************************
1895 Update struct samu.
1896 *********************************************************************/
1897
1898 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1899 {
1900 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1901 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1902 int rc = 0;
1903 char *dn;
1904 LDAPMessage *result = NULL;
1905 LDAPMessage *entry = NULL;
1906 LDAPMod **mods = NULL;
1907 const char **attr_list;
1908
1909 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1910 if (!result) {
1911 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1912 if (pdb_get_username(newpwd) == NULL) {
1913 return NT_STATUS_INVALID_PARAMETER;
1914 }
1915 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1916 TALLOC_FREE( attr_list );
1917 if (rc != LDAP_SUCCESS) {
1918 return NT_STATUS_UNSUCCESSFUL;
1919 }
1920 pdb_set_backend_private_data(newpwd, result, NULL,
1921 my_methods, PDB_CHANGED);
1922 talloc_autofree_ldapmsg(newpwd, result);
1923 }
1924
1925 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1926 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1927 return NT_STATUS_UNSUCCESSFUL;
1928 }
1929
1930 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1931 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1932 if (!dn) {
1933 return NT_STATUS_UNSUCCESSFUL;
1934 }
1935
1936 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1937
1938 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1939 element_is_changed)) {
1940 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1941 TALLOC_FREE(dn);
1942 if (mods != NULL)
1943 ldap_mods_free(mods,True);
1944 return NT_STATUS_UNSUCCESSFUL;
1945 }
1946
1947 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1948 && (mods == NULL)) {
1949 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1950 pdb_get_username(newpwd)));
1951 TALLOC_FREE(dn);
1952 return NT_STATUS_OK;
1953 }
1954
1955 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1956
1957 if (mods != NULL) {
1958 ldap_mods_free(mods,True);
1959 }
1960
1961 TALLOC_FREE(dn);
1962
1963 /*
1964 * We need to set the backend private data to NULL here. For example
1965 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1966 * same one, and with the explicit delete / add logic for attribute
1967 * values the second time we would use the wrong "old" value which
1968 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1969 * the update.
1970 * The existing LDAPMessage is still being auto-freed by the
1971 * destructor.
1972 */
1973 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1974 PDB_CHANGED);
1975
1976 if (!NT_STATUS_IS_OK(ret)) {
1977 return ret;
1978 }
1979
1980 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1981 pdb_get_username(newpwd)));
1982 return NT_STATUS_OK;
1983 }
1984
1985 /***************************************************************************
1986 Renames a struct samu
1987 - The "rename user script" has full responsibility for changing everything
1988 ***************************************************************************/
1989
1990 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1991 TALLOC_CTX *tmp_ctx,
1992 uint32 group_rid,
1993 uint32 member_rid);
1994
1995 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1996 TALLOC_CTX *mem_ctx,
1997 struct samu *user,
1998 DOM_SID **pp_sids,
1999 gid_t **pp_gids,
2000 size_t *p_num_groups);
2001
2002 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2003 struct samu *old_acct,
2004 const char *newname)
2005 {
2006 const char *oldname;
2007 int rc;
2008 char *rename_script = NULL;
2009 fstring oldname_lower, newname_lower;
2010
2011 if (!old_acct) {
2012 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2013 return NT_STATUS_INVALID_PARAMETER;
2014 }
2015 if (!newname) {
2016 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2017 return NT_STATUS_INVALID_PARAMETER;
2018 }
2019
2020 oldname = pdb_get_username(old_acct);
2021
2022 /* rename the posix user */
2023 rename_script = SMB_STRDUP(lp_renameuser_script());
2024 if (rename_script == NULL) {
2025 return NT_STATUS_NO_MEMORY;
2026 }
2027
2028 if (!(*rename_script)) {
2029 SAFE_FREE(rename_script);
2030 return NT_STATUS_ACCESS_DENIED;
2031 }
2032
2033 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2034 oldname, newname));
2035
2036 /* We have to allow the account name to end with a '$'.
2037 Also, follow the semantics in _samr_create_user() and lower case the
2038 posix name but preserve the case in passdb */
2039
2040 fstrcpy( oldname_lower, oldname );
2041 strlower_m( oldname_lower );
2042 fstrcpy( newname_lower, newname );
2043 strlower_m( newname_lower );
2044 rename_script = realloc_string_sub2(rename_script,
2045 "%unew",
2046 newname_lower,
2047 true,
2048 true);
2049 if (!rename_script) {
2050 return NT_STATUS_NO_MEMORY;
2051 }
2052 rename_script = realloc_string_sub2(rename_script,
2053 "%uold",
2054 oldname_lower,
2055 true,
2056 true);
2057 rc = smbrun(rename_script, NULL);
2058
2059 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2060 rename_script, rc));
2061
2062 SAFE_FREE(rename_script);
2063
2064 if (rc == 0) {
2065 smb_nscd_flush_user_cache();
2066 }
2067
2068 if (rc)
2069 return NT_STATUS_UNSUCCESSFUL;
2070
2071 return NT_STATUS_OK;
2072 }
2073
2074 /**********************************************************************
2075 Helper function to determine for update_sam_account whether
2076 we need LDAP modification.
2077 *********************************************************************/
2078
2079 static bool element_is_set_or_changed(const struct samu *sampass,
2080 enum pdb_elements element)
2081 {
2082 return (IS_SAM_SET(sampass, element) ||
2083 IS_SAM_CHANGED(sampass, element));
2084 }
2085
2086 /**********************************************************************
2087 Add struct samu to LDAP.
2088 *********************************************************************/
2089
2090 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2091 {
2092 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2093 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2094 int rc;
2095 LDAPMessage *result = NULL;
2096 LDAPMessage *entry = NULL;
2097 LDAPMod **mods = NULL;
2098 int ldap_op = LDAP_MOD_REPLACE;
2099 uint32 num_result;
2100 const char **attr_list;
2101 char *escape_user = NULL;
2102 const char *username = pdb_get_username(newpwd);
2103 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2104 char *filter = NULL;
2105 char *dn = NULL;
2106 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2107 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2108
2109 if (!ctx) {
2110 return NT_STATUS_NO_MEMORY;
2111 }
2112
2113 if (!username || !*username) {
2114 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2115 status = NT_STATUS_INVALID_PARAMETER;
2116 goto fn_exit;
2117 }
2118
2119 /* free this list after the second search or in case we exit on failure */
2120 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2121
2122 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2123
2124 if (rc != LDAP_SUCCESS) {
2125 goto fn_exit;
2126 }
2127
2128 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2129 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2130 username));
2131 goto fn_exit;
2132 }
2133 ldap_msgfree(result);
2134 result = NULL;
2135
2136 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2137 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2138 sid, &result);
2139 if (rc == LDAP_SUCCESS) {
2140 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2141 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2142 "already in the base, with samba "
2143 "attributes\n", sid_string_dbg(sid)));
2144 goto fn_exit;
2145 }
2146 ldap_msgfree(result);
2147 result = NULL;
2148 }
2149 }
2150
2151 /* does the entry already exist but without a samba attributes?
2152 we need to return the samba attributes here */
2153
2154 escape_user = escape_ldap_string(talloc_tos(), username);
2155 filter = talloc_strdup(attr_list, "(uid=%u)");
2156 if (!filter) {
2157 status = NT_STATUS_NO_MEMORY;
2158 goto fn_exit;
2159 }
2160 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2161 TALLOC_FREE(escape_user);
2162 if (!filter) {
2163 status = NT_STATUS_NO_MEMORY;
2164 goto fn_exit;
2165 }
2166
2167 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2168 filter, attr_list, &result);
2169 if ( rc != LDAP_SUCCESS ) {
2170 goto fn_exit;
2171 }
2172
2173 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2174
2175 if (num_result > 1) {
2176 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2177 goto fn_exit;
2178 }
2179
2180 /* Check if we need to update an existing entry */
2181 if (num_result == 1) {
2182 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2183 ldap_op = LDAP_MOD_REPLACE;
2184 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2185 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2186 if (!dn) {
2187 status = NT_STATUS_NO_MEMORY;
2188 goto fn_exit;
2189 }
2190
2191 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2192
2193 /* There might be a SID for this account already - say an idmap entry */
2194
2195 filter = talloc_asprintf(ctx,
2196 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2197 get_userattr_key2string(ldap_state->schema_ver,
2198 LDAP_ATTR_USER_SID),
2199 sid_string_talloc(ctx, sid),
2200 LDAP_OBJ_IDMAP_ENTRY,
2201 LDAP_OBJ_SID_ENTRY);
2202 if (!filter) {
2203 status = NT_STATUS_NO_MEMORY;
2204 goto fn_exit;
2205 }
2206
2207 /* free old result before doing a new search */
2208 if (result != NULL) {
2209 ldap_msgfree(result);
2210 result = NULL;
2211 }
2212 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2213 filter, attr_list, &result);
2214
2215 if ( rc != LDAP_SUCCESS ) {
2216 goto fn_exit;
2217 }
2218
2219 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2220
2221 if (num_result > 1) {
2222 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2223 goto fn_exit;
2224 }
2225
2226 /* Check if we need to update an existing entry */
2227 if (num_result == 1) {
2228
2229 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2230 ldap_op = LDAP_MOD_REPLACE;
2231 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2232 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2233 if (!dn) {
2234 status = NT_STATUS_NO_MEMORY;
2235 goto fn_exit;
2236 }
2237 }
2238 }
2239
2240 if (num_result == 0) {
2241 char *escape_username;
2242 /* Check if we need to add an entry */
2243 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2244 ldap_op = LDAP_MOD_ADD;
2245
2246 escape_username = escape_rdn_val_string_alloc(username);
2247 if (!escape_username) {
2248 status = NT_STATUS_NO_MEMORY;
2249 goto fn_exit;
2250 }
2251
2252 if (username[strlen(username)-1] == '$') {
2253 dn = talloc_asprintf(ctx,
2254 "uid=%s,%s",
2255 escape_username,
2256 lp_ldap_machine_suffix());
2257 } else {
2258 dn = talloc_asprintf(ctx,
2259 "uid=%s,%s",
2260 escape_username,
2261 lp_ldap_user_suffix());
2262 }
2263
2264 SAFE_FREE(escape_username);
2265 if (!dn) {
2266 status = NT_STATUS_NO_MEMORY;
2267 goto fn_exit;
2268 }
2269 }
2270
2271 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2272 element_is_set_or_changed)) {
2273 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2274 if (mods != NULL) {
2275 ldap_mods_free(mods, true);
2276 }
2277 goto fn_exit;
2278 }
2279
2280 if (mods == NULL) {
2281 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2282 goto fn_exit;
2283 }
2284 switch ( ldap_state->schema_ver ) {
2285 case SCHEMAVER_SAMBAACCOUNT:
2286 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2287 break;
2288 case SCHEMAVER_SAMBASAMACCOUNT:
2289 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2290 break;
2291 default:
2292 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2293 break;
2294 }
2295
2296 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2297 if (!NT_STATUS_IS_OK(ret)) {
2298 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2299 pdb_get_username(newpwd),dn));
2300 ldap_mods_free(mods, true);
2301 goto fn_exit;
2302 }
2303
2304 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2305 ldap_mods_free(mods, true);
2306
2307 status = NT_STATUS_OK;
2308
2309 fn_exit:
2310
2311 TALLOC_FREE(ctx);
2312 if (result) {
2313 ldap_msgfree(result);
2314 }
2315 return status;
2316 }
2317
2318 /**********************************************************************
2319 *********************************************************************/
2320
2321 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2322 const char *filter,
2323 LDAPMessage ** result)
2324 {
2325 int scope = LDAP_SCOPE_SUBTREE;
2326 int rc;
2327 const char **attr_list;
2328
2329 attr_list = get_attr_list(NULL, groupmap_attr_list);
2330 rc = smbldap_search(ldap_state->smbldap_state,
2331 lp_ldap_suffix (), scope,
2332 filter, attr_list, 0, result);
2333 TALLOC_FREE(attr_list);
2334
2335 return rc;
2336 }
2337
2338 /**********************************************************************
2339 *********************************************************************/
2340
2341 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2342 GROUP_MAP *map, LDAPMessage *entry)
2343 {
2344 char *temp = NULL;
2345 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2346
2347 if (ldap_state == NULL || map == NULL || entry == NULL ||
2348 ldap_state->smbldap_state->ldap_struct == NULL) {
2349 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2350 TALLOC_FREE(ctx);
2351 return false;
2352 }
2353
2354 temp = smbldap_talloc_single_attribute(
2355 ldap_state->smbldap_state->ldap_struct,
2356 entry,
2357 get_attr_key2string(groupmap_attr_list,
2358 LDAP_ATTR_GIDNUMBER),
2359 ctx);
2360 if (!temp) {
2361 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2362 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2363 TALLOC_FREE(ctx);
2364 return false;
2365 }
2366 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2367
2368 map->gid = (gid_t)atol(temp);
2369
2370 TALLOC_FREE(temp);
2371 temp = smbldap_talloc_single_attribute(
2372 ldap_state->smbldap_state->ldap_struct,
2373 entry,
2374 get_attr_key2string(groupmap_attr_list,
2375 LDAP_ATTR_GROUP_SID),
2376 ctx);
2377 if (!temp) {
2378 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2379 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2380 TALLOC_FREE(ctx);
2381 return false;
2382 }
2383
2384 if (!string_to_sid(&map->sid, temp)) {
2385 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2386 TALLOC_FREE(ctx);
2387 return false;
2388 }
2389
2390 TALLOC_FREE(temp);
2391 temp = smbldap_talloc_single_attribute(
2392 ldap_state->smbldap_state->ldap_struct,
2393 entry,
2394 get_attr_key2string(groupmap_attr_list,
2395 LDAP_ATTR_GROUP_TYPE),
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_TYPE)));
2400 TALLOC_FREE(ctx);
2401 return false;
2402 }
2403 map->sid_name_use = (enum lsa_SidType)atol(temp);
2404
2405 if ((map->sid_name_use < SID_NAME_USER) ||
2406 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2407 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2408 TALLOC_FREE(ctx);
2409 return false;
2410 }
2411
2412 TALLOC_FREE(temp);
2413 temp = smbldap_talloc_single_attribute(
2414 ldap_state->smbldap_state->ldap_struct,
2415 entry,
2416 get_attr_key2string(groupmap_attr_list,
2417 LDAP_ATTR_DISPLAY_NAME),
2418 ctx);
2419 if (!temp) {
2420 temp = smbldap_talloc_single_attribute(
2421 ldap_state->smbldap_state->ldap_struct,
2422 entry,
2423 get_attr_key2string(groupmap_attr_list,
2424 LDAP_ATTR_CN),
2425 ctx);
2426 if (!temp) {
2427 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2428 for gidNumber(%lu)\n",(unsigned long)map->gid));
2429 TALLOC_FREE(ctx);
2430 return false;
2431 }
2432 }
2433 fstrcpy(map->nt_name, temp);
2434
2435 TALLOC_FREE(temp);
2436 temp = smbldap_talloc_single_attribute(
2437 ldap_state->smbldap_state->ldap_struct,
2438 entry,
2439 get_attr_key2string(groupmap_attr_list,
2440 LDAP_ATTR_DESC),
2441 ctx);
2442 if (!temp) {
2443 temp = talloc_strdup(ctx, "");
2444 if (!temp) {
2445 TALLOC_FREE(ctx);
2446 return false;
2447 }
2448 }
2449 fstrcpy(map->comment, temp);
2450
2451 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2452 store_gid_sid_cache(&map->sid, map->gid);
2453 idmap_cache_set_sid2gid(&map->sid, map->gid);
2454 }
2455
2456 TALLOC_FREE(ctx);
2457 return true;
2458 }
2459
2460 /**********************************************************************
2461 *********************************************************************/
2462
2463 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2464 const char *filter,
2465 GROUP_MAP *map)
2466 {
2467 struct ldapsam_privates *ldap_state =
2468 (struct ldapsam_privates *)methods->private_data;
2469 LDAPMessage *result = NULL;
2470 LDAPMessage *entry = NULL;
2471 int count;
2472
2473 if (ldapsam_search_one_group(ldap_state, filter, &result)
2474 != LDAP_SUCCESS) {
2475 return NT_STATUS_NO_SUCH_GROUP;
2476 }
2477
2478 count = ldap_count_entries(priv2ld(ldap_state), result);
2479
2480 if (count < 1) {
2481 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2482 "%s\n", filter));
2483 ldap_msgfree(result);
2484 return NT_STATUS_NO_SUCH_GROUP;
2485 }
2486
2487 if (count > 1) {
2488 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2489 "count=%d\n", filter, count));
2490 ldap_msgfree(result);
2491 return NT_STATUS_NO_SUCH_GROUP;
2492 }
2493
2494 entry = ldap_first_entry(priv2ld(ldap_state), result);
2495
2496 if (!entry) {
2497 ldap_msgfree(result);
2498 return NT_STATUS_UNSUCCESSFUL;
2499 }
2500
2501 if (!init_group_from_ldap(ldap_state, map, entry)) {
2502 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2503 "group filter %s\n", filter));
2504 ldap_msgfree(result);
2505 return NT_STATUS_NO_SUCH_GROUP;
2506 }
2507
2508 ldap_msgfree(result);
2509 return NT_STATUS_OK;
2510 }
2511
2512 /**********************************************************************
2513 *********************************************************************/
2514
2515 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2516 DOM_SID sid)
2517 {
2518 char *filter = NULL;
2519 NTSTATUS status;
2520 fstring tmp;
2521
2522 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2523 LDAP_OBJ_GROUPMAP,
2524 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2525 sid_to_fstring(tmp, &sid)) < 0) {
2526 return NT_STATUS_NO_MEMORY;
2527 }
2528
2529 status = ldapsam_getgroup(methods, filter, map);
2530 SAFE_FREE(filter);
2531 return status;
2532 }
2533
2534 /**********************************************************************
2535 *********************************************************************/
2536
2537 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2538 gid_t gid)
2539 {
2540 char *filter = NULL;
2541 NTSTATUS status;
2542
2543 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2544 LDAP_OBJ_GROUPMAP,
2545 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2546 (unsigned long)gid) < 0) {
2547 return NT_STATUS_NO_MEMORY;
2548 }
2549
2550 status = ldapsam_getgroup(methods, filter, map);
2551 SAFE_FREE(filter);
2552 return status;
2553 }
2554
2555 /**********************************************************************
2556 *********************************************************************/
2557
2558 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2559 const char *name)
2560 {
2561 char *filter = NULL;
2562 char *escape_name = escape_ldap_string(talloc_tos(), name);
2563 NTSTATUS status;
2564
2565 if (!escape_name) {
2566 return NT_STATUS_NO_MEMORY;
2567 }
2568
2569 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2570 LDAP_OBJ_GROUPMAP,
2571 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2572 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2573 escape_name) < 0) {
2574 TALLOC_FREE(escape_name);
2575 return NT_STATUS_NO_MEMORY;
2576 }
2577
2578 TALLOC_FREE(escape_name);
2579 status = ldapsam_getgroup(methods, filter, map);
2580 SAFE_FREE(filter);
2581 return status;
2582 }
2583
2584 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2585 LDAPMessage *entry,
2586 const DOM_SID *domain_sid,
2587 uint32 *rid)
2588 {
2589 fstring str;
2590 DOM_SID sid;
2591
2592 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2593 str, sizeof(str)-1)) {
2594 DEBUG(10, ("Could not find sambaSID attribute\n"));
2595 return False;
2596 }
2597
2598 if (!string_to_sid(&sid, str)) {
2599 DEBUG(10, ("Could not convert string %s to sid\n", str));
2600 return False;
2601 }
2602
2603 if (sid_compare_domain(&sid, domain_sid) != 0) {
2604 DEBUG(10, ("SID %s is not in expected domain %s\n",
2605 str, sid_string_dbg(domain_sid)));
2606 return False;
2607 }
2608
2609 if (!sid_peek_rid(&sid, rid)) {
2610 DEBUG(10, ("Could not peek into RID\n"));
2611 return False;
2612 }
2613
2614 return True;
2615 }
2616
2617 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2618 TALLOC_CTX *mem_ctx,
2619 const DOM_SID *group,
2620 uint32 **pp_member_rids,
2621 size_t *p_num_members)
2622 {
2623 struct ldapsam_privates *ldap_state =
2624 (struct ldapsam_privates *)methods->private_data;
2625 struct smbldap_state *conn = ldap_state->smbldap_state;
2626 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2627 const char *sid_attrs[] = { "sambaSID", NULL };
2628 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2629 LDAPMessage *result = NULL;
2630 LDAPMessage *entry;
2631 char *filter;
2632 char **values = NULL;
2633 char **memberuid;
2634 char *gidstr;
2635 int rc, count;
2636
2637 *pp_member_rids = NULL;
2638 *p_num_members = 0;
2639
2640 filter = talloc_asprintf(mem_ctx,
2641 "(&(objectClass=%s)"
2642 "(objectClass=%s)"
2643 "(sambaSID=%s))",
2644 LDAP_OBJ_POSIXGROUP,
2645 LDAP_OBJ_GROUPMAP,
2646 sid_string_talloc(mem_ctx, group));
2647 if (filter == NULL) {
2648 ret = NT_STATUS_NO_MEMORY;
2649 goto done;
2650 }
2651
2652 rc = smbldap_search(conn, lp_ldap_suffix(),
2653 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2654 &result);
2655
2656 if (rc != LDAP_SUCCESS)
2657 goto done;
2658
2659 talloc_autofree_ldapmsg(mem_ctx, result);
2660
2661 count = ldap_count_entries(conn->ldap_struct, result);
2662
2663 if (count > 1) {
2664 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2665 sid_string_dbg(group)));
2666 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2667 goto done;
2668 }
2669
2670 if (count == 0) {
2671 ret = NT_STATUS_NO_SUCH_GROUP;
2672 goto done;
2673 }
2674
2675 entry = ldap_first_entry(conn->ldap_struct, result);
2676 if (entry == NULL)
2677 goto done;
2678
2679 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2680 if (!gidstr) {
2681 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2682 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2683 goto done;
2684 }
2685
2686 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2687
2688 if ((values != NULL) && (values[0] != NULL)) {
2689
2690 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2691 if (filter == NULL) {
2692 ret = NT_STATUS_NO_MEMORY;
2693 goto done;
2694 }
2695
2696 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2697 char *escape_memberuid;
2698
2699 escape_memberuid = escape_ldap_string(talloc_tos(),
2700 *memberuid);
2701 if (escape_memberuid == NULL) {
2702 ret = NT_STATUS_NO_MEMORY;
2703 goto done;
2704 }
2705
2706 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2707 TALLOC_FREE(escape_memberuid);
2708 if (filter == NULL) {
2709 ret = NT_STATUS_NO_MEMORY;
2710 goto done;
2711 }
2712 }
2713
2714 filter = talloc_asprintf_append_buffer(filter, "))");
2715 if (filter == NULL) {
2716 ret = NT_STATUS_NO_MEMORY;
2717 goto done;
2718 }
2719
2720 rc = smbldap_search(conn, lp_ldap_suffix(),
2721 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2722 &result);
2723
2724 if (rc != LDAP_SUCCESS)
2725 goto done;
2726
2727 count = ldap_count_entries(conn->ldap_struct, result);
2728 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2729
2730 talloc_autofree_ldapmsg(mem_ctx, result);
2731
2732 for (entry = ldap_first_entry(conn->ldap_struct, result);
2733 entry != NULL;
2734 entry = ldap_next_entry(conn->ldap_struct, entry))
2735 {
2736 char *sidstr;
2737 DOM_SID sid;
2738 uint32 rid;
2739
2740 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2741 entry, "sambaSID",
2742 mem_ctx);
2743 if (!sidstr) {
2744 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2745 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2746 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2747 goto done;
2748 }
2749
2750 if (!string_to_sid(&sid, sidstr))
2751 goto done;
2752
2753 if (!sid_check_is_in_our_domain(&sid)) {
2754 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2755 "in our domain\n"));
2756 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2757 goto done;
2758 }
2759
2760 sid_peek_rid(&sid, &rid);
2761
2762 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2763 p_num_members)) {
2764 ret = NT_STATUS_NO_MEMORY;
2765 goto done;
2766 }
2767 }
2768 }
2769
2770 filter = talloc_asprintf(mem_ctx,
2771 "(&(objectClass=%s)"
2772 "(gidNumber=%s))",
2773 LDAP_OBJ_SAMBASAMACCOUNT,
2774 gidstr);
2775
2776 rc = smbldap_search(conn, lp_ldap_suffix(),
2777 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2778 &result);
2779
2780 if (rc != LDAP_SUCCESS)
2781 goto done;
2782
2783 talloc_autofree_ldapmsg(mem_ctx, result);
2784
2785 for (entry = ldap_first_entry(conn->ldap_struct, result);
2786 entry != NULL;
2787 entry = ldap_next_entry(conn->ldap_struct, entry))
2788 {
2789 uint32 rid;
2790
2791 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2792 entry,
2793 get_global_sam_sid(),
2794 &rid)) {
2795 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2796 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2797 goto done;
2798 }
2799
2800 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2801 p_num_members)) {
2802 ret = NT_STATUS_NO_MEMORY;
2803 goto done;
2804 }
2805 }
2806
2807 ret = NT_STATUS_OK;
2808
2809 done:
2810
2811 if (values)
2812 ldap_value_free(values);
2813
2814 return ret;
2815 }
2816
2817 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2818 TALLOC_CTX *mem_ctx,
2819 struct samu *user,
2820 DOM_SID **pp_sids,
2821 gid_t **pp_gids,
2822 size_t *p_num_groups)
2823 {
2824 struct ldapsam_privates *ldap_state =
2825 (struct ldapsam_privates *)methods->private_data;
2826 struct smbldap_state *conn = ldap_state->smbldap_state;
2827 char *filter;
2828 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2829 char *escape_name;
2830 int rc, count;
2831 LDAPMessage *result = NULL;
2832 LDAPMessage *entry;
2833 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2834 size_t num_sids, num_gids;
2835 char *gidstr;
2836 gid_t primary_gid = -1;
2837
2838 *pp_sids = NULL;
2839 num_sids = 0;
2840
2841 if (pdb_get_username(user) == NULL) {
2842 return NT_STATUS_INVALID_PARAMETER;
2843 }
2844
2845 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2846 if (escape_name == NULL)
2847 return NT_STATUS_NO_MEMORY;
2848
2849 /* retrieve the users primary gid */
2850 filter = talloc_asprintf(mem_ctx,
2851 "(&(objectClass=%s)(uid=%s))",
2852 LDAP_OBJ_SAMBASAMACCOUNT,
2853 escape_name);
2854 if (filter == NULL) {
2855 ret = NT_STATUS_NO_MEMORY;
2856 goto done;
2857 }
2858
2859 rc = smbldap_search(conn, lp_ldap_suffix(),
2860 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2861
2862 if (rc != LDAP_SUCCESS)
2863 goto done;
2864
2865 talloc_autofree_ldapmsg(mem_ctx, result);
2866
2867 count = ldap_count_entries(priv2ld(ldap_state), result);
2868
2869 switch (count) {
2870 case 0:
2871 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2872 ret = NT_STATUS_NO_SUCH_USER;
2873 goto done;
2874 case 1:
2875 entry = ldap_first_entry(priv2ld(ldap_state), result);
2876
2877 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2878 if (!gidstr) {
2879 DEBUG (1, ("Unable to find the member's gid!\n"));
2880 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2881 goto done;
2882 }
2883 primary_gid = strtoul(gidstr, NULL, 10);
2884 break;
2885 default:
2886 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2887 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2888 goto done;
2889 }
2890
2891 filter = talloc_asprintf(mem_ctx,
2892 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2893 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2894 if (filter == NULL) {
2895 ret = NT_STATUS_NO_MEMORY;
2896 goto done;
2897 }
2898
2899 rc = smbldap_search(conn, lp_ldap_suffix(),
2900 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2901
2902 if (rc != LDAP_SUCCESS)
2903 goto done;
2904
2905 talloc_autofree_ldapmsg(mem_ctx, result);
2906
2907 num_gids = 0;
2908 *pp_gids = NULL;
2909
2910 num_sids = 0;
2911 *pp_sids = NULL;
2912
2913 /* We need to add the primary group as the first gid/sid */
2914
2915 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2916 ret = NT_STATUS_NO_MEMORY;
2917 goto done;
2918 }
2919
2920 /* This sid will be replaced later */
2921
2922 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2923 &num_sids);
2924 if (!NT_STATUS_IS_OK(ret)) {
2925 goto done;
2926 }
2927
2928 for (entry = ldap_first_entry(conn->ldap_struct, result);
2929 entry != NULL;
2930 entry = ldap_next_entry(conn->ldap_struct, entry))
2931 {
2932 fstring str;
2933 DOM_SID sid;
2934 gid_t gid;
2935 char *end;
2936
2937 if (!smbldap_get_single_attribute(conn->ldap_struct,
2938 entry, "sambaSID",
2939 str, sizeof(str)-1))
2940 continue;
2941
2942 if (!string_to_sid(&sid, str))
2943 goto done;
2944
2945 if (!smbldap_get_single_attribute(conn->ldap_struct,
2946 entry, "gidNumber",
2947 str, sizeof(str)-1))
2948 continue;
2949
2950 gid = strtoul(str, &end, 10);
2951
2952 if (PTR_DIFF(end, str) != strlen(str))
2953 goto done;
2954
2955 if (gid == primary_gid) {
2956 sid_copy(&(*pp_sids)[0], &sid);
2957 } else {
2958 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2959 &num_gids)) {
2960 ret = NT_STATUS_NO_MEMORY;
2961 goto done;
2962 }
2963 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2964 &num_sids);
2965 if (!NT_STATUS_IS_OK(ret)) {
2966 goto done;
2967 }
2968 }
2969 }
2970
2971 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2972 DEBUG(3, ("primary group of [%s] not found\n",
2973 pdb_get_username(user)));
2974 goto done;
2975 }
2976
2977 *p_num_groups = num_sids;
2978
2979 ret = NT_STATUS_OK;
2980
2981 done:
2982
2983 TALLOC_FREE(escape_name);
2984 return ret;
2985 }
2986
2987 /**********************************************************************
2988 * Augment a posixGroup object with a sambaGroupMapping domgroup
2989 *********************************************************************/
2990
2991 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2992 struct ldapsam_privates *ldap_state,
2993 GROUP_MAP *map)
2994 {
2995 const char *filter, *dn;
2996 LDAPMessage *msg, *entry;
2997 LDAPMod **mods;
2998 int rc;
2999
3000 filter = talloc_asprintf(mem_ctx,
3001 "(&(objectClass=%s)(gidNumber=%u))",
3002 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3003 if (filter == NULL) {
3004 return NT_STATUS_NO_MEMORY;
3005 }
3006
3007 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3008 get_attr_list(mem_ctx, groupmap_attr_list),
3009 &msg);
3010 talloc_autofree_ldapmsg(mem_ctx, msg);
3011
3012 if ((rc != LDAP_SUCCESS) ||
3013 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3014 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3015 return NT_STATUS_NO_SUCH_GROUP;
3016 }
3017
3018 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3019 if (dn == NULL) {
3020 return NT_STATUS_NO_MEMORY;
3021 }
3022
3023 mods = NULL;
3024 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3025 LDAP_OBJ_GROUPMAP);
3026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3027 sid_string_talloc(mem_ctx, &map->sid));
3028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3029 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3030 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3031 map->nt_name);
3032 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3033 map->comment);
3034 talloc_autofree_ldapmod(mem_ctx, mods);
3035
3036 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3037 if (rc != LDAP_SUCCESS) {
3038 return NT_STATUS_ACCESS_DENIED;
3039 }
3040
3041 return NT_STATUS_OK;
3042 }
3043
3044 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3045 GROUP_MAP *map)
3046 {
3047 struct ldapsam_privates *ldap_state =
3048 (struct ldapsam_privates *)methods->private_data;
3049 LDAPMessage *msg = NULL;
3050 LDAPMod **mods = NULL;
3051 const char *attrs[] = { NULL };
3052 char *filter;
3053
3054 char *dn;
3055 TALLOC_CTX *mem_ctx;
3056 NTSTATUS result;
3057
3058 DOM_SID sid;
3059
3060 int rc;
3061
3062 mem_ctx = talloc_new(NULL);
3063 if (mem_ctx == NULL) {
3064 DEBUG(0, ("talloc_new failed\n"));
3065 return NT_STATUS_NO_MEMORY;
3066 }
3067
3068 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3069 sid_string_talloc(mem_ctx, &map->sid));
3070 if (filter == NULL) {
3071 result = NT_STATUS_NO_MEMORY;
3072 goto done;
3073 }
3074
3075 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3076 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3077 talloc_autofree_ldapmsg(mem_ctx, msg);
3078
3079 if ((rc == LDAP_SUCCESS) &&
3080 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3081
3082 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3083 "group mapping entry\n", sid_string_dbg(&map->sid)));
3084 result = NT_STATUS_GROUP_EXISTS;
3085 goto done;
3086 }
3087
3088 switch (map->sid_name_use) {
3089
3090 case SID_NAME_DOM_GRP:
3091 /* To map a domain group we need to have a posix group
3092 to attach to. */
3093 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3094 goto done;
3095 break;
3096
3097 case SID_NAME_ALIAS:
3098 if (!sid_check_is_in_our_domain(&map->sid)
3099 && !sid_check_is_in_builtin(&map->sid) )
3100 {
3101 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3102 sid_string_dbg(&map->sid)));
3103 result = NT_STATUS_INVALID_PARAMETER;
3104 goto done;
3105 }
3106 break;
3107
3108 default:
3109 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3110 sid_type_lookup(map->sid_name_use)));
3111 result = NT_STATUS_INVALID_PARAMETER;
3112 goto done;
3113 }
3114
3115 /* Domain groups have been mapped in a separate routine, we have to
3116 * create an alias now */
3117
3118 if (map->gid == -1) {
3119 DEBUG(10, ("Refusing to map gid==-1\n"));
3120 result = NT_STATUS_INVALID_PARAMETER;
3121 goto done;
3122 }
3123
3124 if (pdb_gid_to_sid(map->gid, &sid)) {
3125 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3126 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3127 result = NT_STATUS_GROUP_EXISTS;
3128 goto done;
3129 }
3130
3131 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3132 * the best we can get out of LDAP. */
3133
3134 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3135 sid_string_talloc(mem_ctx, &map->sid),
3136 lp_ldap_group_suffix());
3137 if (dn == NULL) {
3138 result = NT_STATUS_NO_MEMORY;
3139 goto done;
3140 }
3141
3142 mods = NULL;
3143
3144 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3145 LDAP_OBJ_SID_ENTRY);
3146 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3147 LDAP_OBJ_GROUPMAP);
3148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3149 sid_string_talloc(mem_ctx, &map->sid));
3150 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3151 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3152 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3153 map->nt_name);
3154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3155 map->comment);
3156 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3157 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3158 talloc_autofree_ldapmod(mem_ctx, mods);
3159
3160 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3161
3162 result = (rc == LDAP_SUCCESS) ?
3163 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3164
3165 done:
3166 TALLOC_FREE(mem_ctx);
3167 return result;
3168 }
3169
3170 /**********************************************************************
3171 * Update a group mapping entry. We're quite strict about what can be changed:
3172 * Only the description and displayname may be changed. It simply does not
3173 * make any sense to change the SID, gid or the type in a mapping.
3174 *********************************************************************/
3175
3176 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3177 GROUP_MAP *map)
3178 {
3179 struct ldapsam_privates *ldap_state =
3180 (struct ldapsam_privates *)methods->private_data;
3181 int rc;
3182 const char *filter, *dn;
3183 LDAPMessage *msg = NULL;
3184 LDAPMessage *entry = NULL;
3185 LDAPMod **mods = NULL;
3186 TALLOC_CTX *mem_ctx;
3187 NTSTATUS result;
3188
3189 mem_ctx = talloc_new(NULL);
3190 if (mem_ctx == NULL) {
3191 DEBUG(0, ("talloc_new failed\n"));
3192 return NT_STATUS_NO_MEMORY;
3193 }
3194
3195 /* Make 100% sure that sid, gid and type are not changed by looking up
3196 * exactly the values we're given in LDAP. */
3197
3198 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3199 "(sambaSid=%s)(gidNumber=%u)"
3200 "(sambaGroupType=%d))",
3201 LDAP_OBJ_GROUPMAP,
3202 sid_string_talloc(mem_ctx, &map->sid),
3203 (unsigned int)map->gid, map->sid_name_use);
3204 if (filter == NULL) {
3205 result = NT_STATUS_NO_MEMORY;
3206 goto done;
3207 }
3208
3209 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3210 get_attr_list(mem_ctx, groupmap_attr_list),
3211 &msg);
3212 talloc_autofree_ldapmsg(mem_ctx, msg);
3213
3214 if ((rc != LDAP_SUCCESS) ||
3215 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3216 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3217 result = NT_STATUS_NO_SUCH_GROUP;
3218 goto done;
3219 }
3220
3221 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3222
3223 if (dn == NULL) {
3224 result = NT_STATUS_NO_MEMORY;
3225 goto done;
3226 }
3227
3228 mods = NULL;
3229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3230 map->nt_name);
3231 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3232 map->comment);
3233 talloc_autofree_ldapmod(mem_ctx, mods);
3234
3235 if (mods == NULL) {
3236 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3237 "nothing to do\n"));
3238 result = NT_STATUS_OK;
3239 goto done;
3240 }
3241
3242 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3243
3244 if (rc != LDAP_SUCCESS) {
3245 result = NT_STATUS_ACCESS_DENIED;
3246 goto done;
3247 }
3248
3249 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3250 "group %lu in LDAP\n", (unsigned long)map->gid));
3251
3252 result = NT_STATUS_OK;
3253
3254 done:
3255 TALLOC_FREE(mem_ctx);
3256 return result;
3257 }
3258
3259 /**********************************************************************
3260 *********************************************************************/
3261
3262 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3263 DOM_SID sid)
3264 {
3265 struct ldapsam_privates *priv =
3266 (struct ldapsam_privates *)methods->private_data;
3267 LDAPMessage *msg, *entry;
3268 int rc;
3269 NTSTATUS result;
3270 TALLOC_CTX *mem_ctx;
3271 char *filter;
3272
3273 mem_ctx = talloc_new(NULL);
3274 if (mem_ctx == NULL) {
3275 DEBUG(0, ("talloc_new failed\n"));
3276 return NT_STATUS_NO_MEMORY;
3277 }
3278
3279 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3280 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3281 sid_string_talloc(mem_ctx, &sid));
3282 if (filter == NULL) {
3283 result = NT_STATUS_NO_MEMORY;
3284 goto done;
3285 }
3286 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3287 get_attr_list(mem_ctx, groupmap_attr_list),
3288 &msg);
3289 talloc_autofree_ldapmsg(mem_ctx, msg);
3290
3291 if ((rc != LDAP_SUCCESS) ||
3292 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3293 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3294 result = NT_STATUS_NO_SUCH_GROUP;
3295 goto done;
3296 }
3297
3298 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3299 get_attr_list(mem_ctx,
3300 groupmap_attr_list_to_delete));
3301
3302 if ((rc == LDAP_NAMING_VIOLATION) ||
3303 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3304 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3305 const char *attrs[] = { "sambaGroupType", "description",
3306 "displayName", "sambaSIDList",
3307 NULL };
3308
3309 /* Second try. Don't delete the sambaSID attribute, this is
3310 for "old" entries that are tacked on a winbind
3311 sambaIdmapEntry. */
3312
3313 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3314 LDAP_OBJ_GROUPMAP, attrs);
3315 }
3316
3317 if ((rc == LDAP_NAMING_VIOLATION) ||
3318 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3319 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3320 const char *attrs[] = { "sambaGroupType", "description",
3321 "displayName", "sambaSIDList",
3322 "gidNumber", NULL };
3323
3324 /* Third try. This is a post-3.0.21 alias (containing only
3325 * sambaSidEntry and sambaGroupMapping classes), we also have
3326 * to delete the gidNumber attribute, only the sambaSidEntry
3327 * remains */
3328
3329 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3330 LDAP_OBJ_GROUPMAP, attrs);
3331 }
3332
3333 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3334
3335 done:
3336 TALLOC_FREE(mem_ctx);
3337 return result;
3338 }
3339
3340 /**********************************************************************
3341 *********************************************************************/
3342
3343 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3344 bool update)
3345 {
3346 struct ldapsam_privates *ldap_state =
3347 (struct ldapsam_privates *)my_methods->private_data;
3348 char *filter = NULL;
3349 int rc;
3350 const char **attr_list;
3351
3352 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3353 if (!filter) {
3354 return NT_STATUS_NO_MEMORY;
3355 }
3356 attr_list = get_attr_list( NULL, groupmap_attr_list );
3357 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3358 LDAP_SCOPE_SUBTREE, filter,
3359 attr_list, 0, &ldap_state->result);
3360 TALLOC_FREE(attr_list);
3361
3362 if (rc != LDAP_SUCCESS) {
3363 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3364 ldap_err2string(rc)));
3365 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3366 lp_ldap_suffix(), filter));
3367 ldap_msgfree(ldap_state->result);
3368 ldap_state->result = NULL;
3369 TALLOC_FREE(filter);
3370 return NT_STATUS_UNSUCCESSFUL;
3371 }
3372
3373 TALLOC_FREE(filter);
3374
3375 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3376 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3377 ldap_state->result)));
3378
3379 ldap_state->entry =
3380 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3381 ldap_state->result);
3382 ldap_state->index = 0;
3383
3384 return NT_STATUS_OK;
3385 }
3386
3387 /**********************************************************************
3388 *********************************************************************/
3389
3390 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3391 {
3392 ldapsam_endsampwent(my_methods);
3393 }
3394
3395 /**********************************************************************
3396 *********************************************************************/
3397
3398 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3399 GROUP_MAP *map)
3400 {
3401 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3402 struct ldapsam_privates *ldap_state =
3403 (struct ldapsam_privates *)my_methods->private_data;
3404 bool bret = False;
3405
3406 while (!bret) {
3407 if (!ldap_state->entry)
3408 return ret;
3409
3410 ldap_state->index++;
3411 bret = init_group_from_ldap(ldap_state, map,
3412 ldap_state->entry);
3413
3414 ldap_state->entry =
3415 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3416 ldap_state->entry);
3417 }
3418
3419 return NT_STATUS_OK;
3420 }
3421
3422 /**********************************************************************
3423 *********************************************************************/
3424
3425 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3426 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3427 GROUP_MAP **pp_rmap,
3428 size_t *p_num_entries,
3429 bool unix_only)
3430 {
3431 GROUP_MAP map;
3432 size_t entries = 0;
3433
3434 *p_num_entries = 0;
3435 *pp_rmap = NULL;
3436
3437 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3438 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3439 "passdb\n"));
3440 return NT_STATUS_ACCESS_DENIED;
3441 }
3442
3443 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3444 if (sid_name_use != SID_NAME_UNKNOWN &&
3445 sid_name_use != map.sid_name_use) {
3446 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3447 "not of the requested type\n", map.nt_name));
3448 continue;
3449 }
3450 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3451 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3452 "non mapped\n", map.nt_name));
3453 continue;
3454 }
3455
3456 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3457 if (!(*pp_rmap)) {
3458 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3459 "enlarge group map!\n"));
3460 return NT_STATUS_UNSUCCESSFUL;
3461 }
3462
3463 (*pp_rmap)[entries] = map;
3464
3465 entries += 1;
3466
3467 }
3468 ldapsam_endsamgrent(methods);
3469
3470 *p_num_entries = entries;
3471
3472 return NT_STATUS_OK;
3473 }
3474
3475 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3476 const DOM_SID *alias,
3477 const DOM_SID *member,
3478 int modop)
3479 {
3480 struct ldapsam_privates *ldap_state =
3481 (struct ldapsam_privates *)methods->private_data;
3482 char *dn = NULL;
3483 LDAPMessage *result = NULL;
3484 LDAPMessage *entry = NULL;
3485 int count;
3486 LDAPMod **mods = NULL;
3487 int rc;
3488 enum lsa_SidType type = SID_NAME_USE_NONE;
3489 fstring tmp;
3490
3491 char *filter = NULL;
3492
3493 if (sid_check_is_in_builtin(alias)) {
3494 type = SID_NAME_ALIAS;
3495 }
3496
3497 if (sid_check_is_in_our_domain(alias)) {
3498 type = SID_NAME_ALIAS;
3499 }
3500
3501 if (type == SID_NAME_USE_NONE) {
3502 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3503 sid_string_dbg(alias)));
3504 return NT_STATUS_NO_SUCH_ALIAS;
3505 }
3506
3507 if (asprintf(&filter,
3508 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3509 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3510 type) < 0) {
3511 return NT_STATUS_NO_MEMORY;
3512 }
3513
3514 if (ldapsam_search_one_group(ldap_state, filter,
3515 &result) != LDAP_SUCCESS) {
3516 SAFE_FREE(filter);
3517 return NT_STATUS_NO_SUCH_ALIAS;
3518 }
3519
3520 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3521 result);
3522
3523 if (count < 1) {
3524 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3525 ldap_msgfree(result);
3526 SAFE_FREE(filter);
3527 return NT_STATUS_NO_SUCH_ALIAS;
3528 }
3529
3530 if (count > 1) {
3531 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3532 "filter %s: count=%d\n", filter, count));
3533 ldap_msgfree(result);
3534 SAFE_FREE(filter);
3535 return NT_STATUS_NO_SUCH_ALIAS;
3536 }
3537
3538 SAFE_FREE(filter);
3539
3540 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3541 result);
3542
3543 if (!entry) {
3544 ldap_msgfree(result);
3545 return NT_STATUS_UNSUCCESSFUL;
3546 }
3547
3548 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3549 if (!dn) {
3550 ldap_msgfree(result);
3551 return NT_STATUS_UNSUCCESSFUL;
3552 }
3553
3554 smbldap_set_mod(&mods, modop,
3555 get_attr_key2string(groupmap_attr_list,
3556 LDAP_ATTR_SID_LIST),
3557 sid_to_fstring(tmp, member));
3558
3559 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3560
3561 ldap_mods_free(mods, True);
3562 ldap_msgfree(result);
3563 TALLOC_FREE(dn);
3564
3565 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3566 return NT_STATUS_MEMBER_IN_ALIAS;
3567 }
3568
3569 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3570 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3571 }
3572
3573 if (rc != LDAP_SUCCESS) {
3574 return NT_STATUS_UNSUCCESSFUL;
3575 }
3576
3577 return NT_STATUS_OK;
3578 }
3579
3580 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3581 const DOM_SID *alias,
3582 const DOM_SID *member)
3583 {
3584 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3585 }
3586
3587 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3588 const DOM_SID *alias,
3589 const DOM_SID *member)
3590 {
3591 return ldapsam_modify_aliasmem(methods, alias, member,
3592 LDAP_MOD_DELETE);
3593 }
3594
3595 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3596 const DOM_SID *alias,
3597 TALLOC_CTX *mem_ctx,
3598 DOM_SID **pp_members,
3599 size_t *p_num_members)
3600 {
3601 struct ldapsam_privates *ldap_state =
3602 (struct ldapsam_privates *)methods->private_data;
3603 LDAPMessage *result = NULL;
3604 LDAPMessage *entry = NULL;
3605 int count;
3606 char **values = NULL;
3607 int i;
3608 char *filter = NULL;
3609 size_t num_members = 0;
3610 enum lsa_SidType type = SID_NAME_USE_NONE;
3611 fstring tmp;
3612
3613 *pp_members = NULL;
3614 *p_num_members = 0;
3615
3616 if (sid_check_is_in_builtin(alias)) {
3617 type = SID_NAME_ALIAS;
3618 }
3619
3620 if (sid_check_is_in_our_domain(alias)) {
3621 type = SID_NAME_ALIAS;
3622 }
3623
3624 if (type == SID_NAME_USE_NONE) {
3625 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3626 sid_string_dbg(alias)));
3627 return NT_STATUS_NO_SUCH_ALIAS;
3628 }
3629
3630 if (asprintf(&filter,
3631 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3632 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3633 type) < 0) {
3634 return NT_STATUS_NO_MEMORY;
3635 }
3636
3637 if (ldapsam_search_one_group(ldap_state, filter,
3638 &result) != LDAP_SUCCESS) {
3639 SAFE_FREE(filter);
3640 return NT_STATUS_NO_SUCH_ALIAS;
3641 }
3642
3643 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3644 result);
3645
3646 if (count < 1) {
3647 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3648 ldap_msgfree(result);
3649 SAFE_FREE(filter);
3650 return NT_STATUS_NO_SUCH_ALIAS;
3651 }
3652
3653 if (count > 1) {
3654 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3655 "filter %s: count=%d\n", filter, count));
3656 ldap_msgfree(result);
3657 SAFE_FREE(filter);
3658 return NT_STATUS_NO_SUCH_ALIAS;
3659 }
3660
3661 SAFE_FREE(filter);
3662
3663 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3664 result);
3665
3666 if (!entry) {
3667 ldap_msgfree(result);
3668 return NT_STATUS_UNSUCCESSFUL;
3669 }
3670
3671 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3672 entry,
3673 get_attr_key2string(groupmap_attr_list,
3674 LDAP_ATTR_SID_LIST));
3675
3676 if (values == NULL) {
3677 ldap_msgfree(result);
3678 return NT_STATUS_OK;
3679 }
3680
3681 count = ldap_count_values(values);
3682
3683 for (i=0; i<count; i++) {
3684 DOM_SID member;
3685 NTSTATUS status;
3686
3687 if (!string_to_sid(&member, values[i]))
3688 continue;
3689
3690 status = add_sid_to_array(mem_ctx, &member, pp_members,
3691 &num_members);
3692 if (!NT_STATUS_IS_OK(status)) {
3693 ldap_value_free(values);
3694 ldap_msgfree(result);
3695 return status;
3696 }
3697 }
3698
3699 *p_num_members = num_members;
3700 ldap_value_free(values);
3701 ldap_msgfree(result);
3702
3703 return NT_STATUS_OK;
3704 }
3705
3706 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3707 TALLOC_CTX *mem_ctx,
3708 const DOM_SID *domain_sid,
3709 const DOM_SID *members,
3710 size_t num_members,
3711 uint32 **pp_alias_rids,
3712 size_t *p_num_alias_rids)
3713 {
3714 struct ldapsam_privates *ldap_state =
3715 (struct ldapsam_privates *)methods->private_data;
3716 LDAP *ldap_struct;
3717
3718 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3719
3720 LDAPMessage *result = NULL;
3721 LDAPMessage *entry = NULL;
3722 int i;
3723 int rc;
3724 char *filter;
3725 enum lsa_SidType type = SID_NAME_USE_NONE;
3726
3727 *pp_alias_rids = NULL;
3728 *p_num_alias_rids = 0;
3729
3730 if (sid_check_is_builtin(domain_sid)) {
3731 type = SID_NAME_ALIAS;
3732 }
3733
3734 if (sid_check_is_domain(domain_sid)) {
3735 type = SID_NAME_ALIAS;
3736 }
3737
3738 if (type == SID_NAME_USE_NONE) {
3739 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3740 sid_string_dbg(domain_sid)));
3741 return NT_STATUS_UNSUCCESSFUL;
3742 }
3743
3744 if (num_members == 0) {
3745 return NT_STATUS_OK;
3746 }
3747
3748 filter = talloc_asprintf(mem_ctx,
3749 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3750 LDAP_OBJ_GROUPMAP, type);
3751
3752 for (i=0; i<num_members; i++)
3753 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3754 filter,
3755 sid_string_talloc(mem_ctx,
3756 &members[i]));
3757
3758 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3759
3760 if (filter == NULL) {
3761 return NT_STATUS_NO_MEMORY;
3762 }
3763
3764 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3765 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3766
3767 if (rc != LDAP_SUCCESS)
3768 return NT_STATUS_UNSUCCESSFUL;
3769
3770 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3771
3772 for (entry = ldap_first_entry(ldap_struct, result);
3773 entry != NULL;
3774 entry = ldap_next_entry(ldap_struct, entry))
3775 {
3776 fstring sid_str;
3777 DOM_SID sid;
3778 uint32 rid;
3779
3780 if (!smbldap_get_single_attribute(ldap_struct, entry,
3781 LDAP_ATTRIBUTE_SID,
3782 sid_str,
3783 sizeof(sid_str)-1))
3784 continue;
3785
3786 if (!string_to_sid(&sid, sid_str))
3787 continue;
3788
3789 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3790 continue;
3791
3792 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3793 p_num_alias_rids)) {
3794 ldap_msgfree(result);
3795 return NT_STATUS_NO_MEMORY;
3796 }
3797 }
3798
3799 ldap_msgfree(result);
3800 return NT_STATUS_OK;
3801 }
3802
3803 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3804 enum pdb_policy_type type,
3805 uint32 value)
3806 {
3807 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3808 int rc;
3809 LDAPMod **mods = NULL;
3810 fstring value_string;
3811 const char *policy_attr = NULL;
3812
3813 struct ldapsam_privates *ldap_state =
3814 (struct ldapsam_privates *)methods->private_data;
3815
3816 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3817
3818 if (!ldap_state->domain_dn) {
3819 return NT_STATUS_INVALID_PARAMETER;
3820 }
3821
3822 policy_attr = get_account_policy_attr(type);
3823 if (policy_attr == NULL) {
3824 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3825 "policy\n"));
3826 return ntstatus;
3827 }
3828
3829 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3830
3831 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3832
3833 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3834 mods);
3835
3836 ldap_mods_free(mods, True);
3837
3838 if (rc != LDAP_SUCCESS) {
3839 return ntstatus;
3840 }
3841
3842 if (!cache_account_policy_set(type, value)) {
3843 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3844 "update local tdb cache\n"));
3845 return ntstatus;
3846 }
3847
3848 return NT_STATUS_OK;
3849 }
3850
3851 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3852 enum pdb_policy_type type,
3853 uint32_t value)
3854 {
3855 return ldapsam_set_account_policy_in_ldap(methods, type,
3856 value);
3857 }
3858
3859 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3860 enum pdb_policy_type type,
3861 uint32 *value)
3862 {
3863 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3864 LDAPMessage *result = NULL;
3865 LDAPMessage *entry = NULL;
3866 int count;
3867 int rc;
3868 char **vals = NULL;
3869 char *filter;
3870 const char *policy_attr = NULL;
3871
3872 struct ldapsam_privates *ldap_state =
3873 (struct ldapsam_privates *)methods->private_data;
3874
3875 const char *attrs[2];
3876
3877 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3878
3879 if (!ldap_state->domain_dn) {
3880 return NT_STATUS_INVALID_PARAMETER;
3881 }
3882
3883 policy_attr = get_account_policy_attr(type);
3884 if (!policy_attr) {
3885 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3886 "policy index: %d\n", type));
3887 return ntstatus;
3888 }
3889
3890 attrs[0] = policy_attr;
3891 attrs[1] = NULL;
3892
3893 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3894 if (filter == NULL) {
3895 return NT_STATUS_NO_MEMORY;
3896 }
3897 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3898 LDAP_SCOPE_BASE, filter, attrs, 0,
3899 &result);
3900
3901 if (rc != LDAP_SUCCESS) {
3902 return ntstatus;
3903 }
3904
3905 count = ldap_count_entries(priv2ld(ldap_state), result);
3906 if (count < 1) {
3907 goto out;
3908 }
3909
3910 entry = ldap_first_entry(priv2ld(ldap_state), result);
3911 if (entry == NULL) {
3912 goto out;
3913 }
3914
3915 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3916 if (vals == NULL) {
3917 goto out;
3918 }
3919
3920 *value = (uint32)atol(vals[0]);
3921
3922 ntstatus = NT_STATUS_OK;
3923
3924 out:
3925 if (vals)
3926 ldap_value_free(vals);
3927 ldap_msgfree(result);
3928
3929 return ntstatus;
3930 }
3931
3932 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3933
3934 - if user hasn't decided to use account policies inside LDAP just reuse the
3935 old tdb values
3936
3937 - if there is a valid cache entry, return that
3938 - if there is an LDAP entry, update cache and return
3939 - otherwise set to default, update cache and return
3940
3941 Guenther
3942 */
3943 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3944 enum pdb_policy_type type,
3945 uint32_t *value)
3946 {
3947 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3948
3949 if (cache_account_policy_get(type, value)) {
3950 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3951 "cache\n"));
3952 return NT_STATUS_OK;
3953 }
3954
3955 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3956 value);
3957 if (NT_STATUS_IS_OK(ntstatus)) {
3958 goto update_cache;
3959 }
3960
3961 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3962 "ldap\n"));
3963
3964 #if 0
3965 /* should we automagically migrate old tdb value here ? */
3966 if (account_policy_get(type, value))
3967 goto update_ldap;
3968
3969 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3970 "default\n", type));
3971 #endif
3972
3973 if (!account_policy_get_default(type, value)) {
3974 return ntstatus;
3975 }
3976
3977 /* update_ldap: */
3978
3979 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3980 if (!NT_STATUS_IS_OK(ntstatus)) {
3981 return ntstatus;
3982 }
3983
3984 update_cache:
3985
3986 if (!cache_account_policy_set(type, *value)) {
3987 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3988 "tdb as a cache\n"));
3989 return NT_STATUS_UNSUCCESSFUL;
3990 }
3991
3992 return NT_STATUS_OK;
3993 }
3994
3995 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3996 const DOM_SID *domain_sid,
3997 int num_rids,
3998 uint32 *rids,
3999 const char **names,
4000 enum lsa_SidType *attrs)
4001 {
4002 struct ldapsam_privates *ldap_state =
4003 (struct ldapsam_privates *)methods->private_data;
4004 LDAPMessage *msg = NULL;
4005 LDAPMessage *entry;
4006 char *allsids = NULL;
4007 int i, rc, num_mapped;
4008 NTSTATUS result = NT_STATUS_NO_MEMORY;
4009 TALLOC_CTX *mem_ctx;
4010 LDAP *ld;
4011 bool is_builtin;
4012
4013 mem_ctx = talloc_new(NULL);
4014 if (mem_ctx == NULL) {
4015 DEBUG(0, ("talloc_new failed\n"));
4016 goto done;
4017 }
4018
4019 if (!sid_check_is_builtin(domain_sid) &&
4020 !sid_check_is_domain(domain_sid)) {
4021 result = NT_STATUS_INVALID_PARAMETER;
4022 goto done;
4023 }
4024
4025 if (num_rids == 0) {
4026 result = NT_STATUS_NONE_MAPPED;
4027 goto done;
4028 }
4029
4030 for (i=0; i<num_rids; i++)
4031 attrs[i] = SID_NAME_UNKNOWN;
4032
4033 allsids = talloc_strdup(mem_ctx, "");
4034 if (allsids == NULL) {
4035 goto done;
4036 }
4037
4038 for (i=0; i<num_rids; i++) {
4039 DOM_SID sid;
4040 sid_compose(&sid, domain_sid, rids[i]);
4041 allsids = talloc_asprintf_append_buffer(
4042 allsids, "(sambaSid=%s)",
4043 sid_string_talloc(mem_ctx, &sid));
4044 if (allsids == NULL) {
4045 goto done;
4046 }
4047 }
4048
4049 /* First look for users */
4050
4051 {
4052 char *filter;
4053 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4054
4055 filter = talloc_asprintf(
4056 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4057 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4058
4059 if (filter == NULL) {
4060 goto done;
4061 }
4062
4063 rc = smbldap_search(ldap_state->smbldap_state,
4064 lp_ldap_user_suffix(),
4065 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4066 &msg);
4067 talloc_autofree_ldapmsg(mem_ctx, msg);
4068 }
4069
4070 if (rc != LDAP_SUCCESS)
4071 goto done;
4072
4073 ld = ldap_state->smbldap_state->ldap_struct;
4074 num_mapped = 0;
4075
4076 for (entry = ldap_first_entry(ld, msg);
4077 entry != NULL;
4078 entry = ldap_next_entry(ld, entry)) {
4079 uint32 rid;
4080 int rid_index;
4081 const char *name;
4082
4083 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4084 &rid)) {
4085 DEBUG(2, ("Could not find sid from ldap entry\n"));
4086 continue;
4087 }
4088
4089 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4090 names);
4091 if (name == NULL) {
4092 DEBUG(2, ("Could not retrieve uid attribute\n"));
4093 continue;
4094 }
4095
4096 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4097 if (rid == rids[rid_index])
4098 break;
4099 }
4100
4101 if (rid_index == num_rids) {
4102 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4103 continue;
4104 }
4105
4106 attrs[rid_index] = SID_NAME_USER;
4107 names[rid_index] = name;
4108 num_mapped += 1;
4109 }
4110
4111 if (num_mapped == num_rids) {
4112 /* No need to look for groups anymore -- we're done */
4113 result = NT_STATUS_OK;
4114 goto done;
4115 }
4116
4117 /* Same game for groups */
4118
4119 {
4120 char *filter;
4121 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4122 "sambaGroupType", NULL };
4123
4124 filter = talloc_asprintf(
4125 mem_ctx, "(&(objectClass=%s)(|%s))",
4126 LDAP_OBJ_GROUPMAP, allsids);
4127 if (filter == NULL) {
4128 goto done;
4129 }
4130
4131 rc = smbldap_search(ldap_state->smbldap_state,
4132 lp_ldap_suffix(),
4133 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4134 &msg);
4135 talloc_autofree_ldapmsg(mem_ctx, msg);
4136 }
4137
4138 if (rc != LDAP_SUCCESS)
4139 goto done;
4140
4141 /* ldap_struct might have changed due to a reconnect */
4142
4143 ld = ldap_state->smbldap_state->ldap_struct;
4144
4145 /* For consistency checks, we already checked we're only domain or builtin */
4146
4147 is_builtin = sid_check_is_builtin(domain_sid);
4148
4149 for (entry = ldap_first_entry(ld, msg);
4150 entry != NULL;
4151 entry = ldap_next_entry(ld, entry))
4152 {
4153 uint32 rid;
4154 int rid_index;
4155 const char *attr;
4156 enum lsa_SidType type;
4157 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4158
4159 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4160 mem_ctx);
4161 if (attr == NULL) {
4162 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4163 dn));
4164 continue;
4165 }
4166
4167 type = (enum lsa_SidType)atol(attr);
4168
4169 /* Consistency checks */
4170 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4171 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4172 (type != SID_NAME_DOM_GRP)))) {
4173 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4174 }
4175
4176 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4177 &rid)) {
4178 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4179 continue;
4180 }
4181
4182 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4183
4184 if (attr == NULL) {
4185 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4186 dn));
4187 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4188 }
4189
4190 if (attr == NULL) {
4191 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4192 dn));
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] = type;
4207 names[rid_index] = attr;
4208 num_mapped += 1;
4209 }
4210
4211 result = NT_STATUS_NONE_MAPPED;
4212
4213 if (num_mapped > 0)
4214 result = (num_mapped == num_rids) ?
4215 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4216 done:
4217 TALLOC_FREE(mem_ctx);
4218 return result;
4219 }
4220
4221 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4222 {
4223 char *filter = NULL;
4224 char *escaped = NULL;
4225 char *result = NULL;
4226
4227 if (asprintf(&filter, "(&%s(objectclass=%s))",
4228 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4229 goto done;
4230 }
4231
4232 escaped = escape_ldap_string(talloc_tos(), username);
4233 if (escaped == NULL) goto done;
4234
4235 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4236
4237 done:
4238 SAFE_FREE(filter);
4239 TALLOC_FREE(escaped);
4240
4241 return result;
4242 }
4243
4244 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4245 {
4246 int i, num = 0;
4247 va_list ap;
4248 const char **result;
4249
4250 va_start(ap, mem_ctx);
4251 while (va_arg(ap, const char *) != NULL)
4252 num += 1;
4253 va_end(ap);
4254
4255 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4256 return NULL;
4257 }
4258
4259 va_start(ap, mem_ctx);
4260 for (i=0; i<num; i++) {
4261 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4262 if (result[i] == NULL) {
4263 talloc_free(result);
4264 va_end(ap);
4265 return NULL;
4266 }
4267 }
4268 va_end(ap);
4269
4270 result[num] = NULL;
4271 return result;
4272 }
4273
4274 struct ldap_search_state {
4275 struct smbldap_state *connection;
4276
4277 uint32 acct_flags;
4278 uint16 group_type;
4279
4280 const char *base;
4281 int scope;
4282 const char *filter;
4283 const char **attrs;
4284 int attrsonly;
4285 void *pagedresults_cookie;
4286
4287 LDAPMessage *entries, *current_entry;
4288 bool (*ldap2displayentry)(struct ldap_search_state *state,
4289 TALLOC_CTX *mem_ctx,
4290 LDAP *ld, LDAPMessage *entry,
4291 struct samr_displayentry *result);
4292 };
4293
4294 static bool ldapsam_search_firstpage(struct pdb_search *search)
4295 {
4296 struct ldap_search_state *state =
4297 (struct ldap_search_state *)search->private_data;
4298 LDAP *ld;
4299 int rc = LDAP_OPERATIONS_ERROR;
4300
4301 state->entries = NULL;
4302
4303 if (state->connection->paged_results) {
4304 rc = smbldap_search_paged(state->connection, state->base,
4305 state->scope, state->filter,
4306 state->attrs, state->attrsonly,
4307 lp_ldap_page_size(), &state->entries,
4308 &state->pagedresults_cookie);
4309 }
4310
4311 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4312
4313 if (state->entries != NULL) {
4314 /* Left over from unsuccessful paged attempt */
4315 ldap_msgfree(state->entries);
4316 state->entries = NULL;
4317 }
4318
4319 rc = smbldap_search(state->connection, state->base,
4320 state->scope, state->filter, state->attrs,
4321 state->attrsonly, &state->entries);
4322
4323 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4324 return False;
4325
4326 /* Ok, the server was lying. It told us it could do paged
4327 * searches when it could not. */
4328 state->connection->paged_results = False;
4329 }
4330
4331 ld = state->connection->ldap_struct;
4332 if ( ld == NULL) {
4333 DEBUG(5, ("Don't have an LDAP connection right after a "
4334 "search\n"));
4335 return False;
4336 }
4337 state->current_entry = ldap_first_entry(ld, state->entries);
4338
4339 if (state->current_entry == NULL) {
4340 ldap_msgfree(state->entries);
4341 state->entries = NULL;
4342 return false;
4343 }
4344
4345 return True;
4346 }
4347
4348 static bool ldapsam_search_nextpage(struct pdb_search *search)
4349 {
4350 struct ldap_search_state *state =
4351 (struct ldap_search_state *)search->private_data;
4352 int rc;
4353
4354 if (!state->connection->paged_results) {
4355 /* There is no next page when there are no paged results */
4356 return False;
4357 }
4358
4359 rc = smbldap_search_paged(state->connection, state->base,
4360 state->scope, state->filter, state->attrs,
4361 state->attrsonly, lp_ldap_page_size(),
4362 &state->entries,
4363 &state->pagedresults_cookie);
4364
4365 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4366 return False;
4367
4368 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4369
4370 if (state->current_entry == NULL) {
4371 ldap_msgfree(state->entries);
4372 state->entries = NULL;
4373 }
4374
4375 return True;
4376 }
4377
4378 static bool ldapsam_search_next_entry(struct pdb_search *search,
4379 struct samr_displayentry *entry)
4380 {
4381 struct ldap_search_state *state =
4382 (struct ldap_search_state *)search->private_data;
4383 bool result;
4384
4385 retry:
4386 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4387 return False;
4388
4389 if ((state->entries == NULL) &&
4390 !ldapsam_search_nextpage(search))
4391 return False;
4392
4393 result = state->ldap2displayentry(state, search,
4394 state->connection->ldap_struct,
4395 state->current_entry, entry);
4396
4397 if (!result) {
4398 char *dn;
4399 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4400 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4401 if (dn != NULL) ldap_memfree(dn);
4402 }
4403
4404 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4405
4406 if (state->current_entry == NULL) {
4407 ldap_msgfree(state->entries);
4408 state->entries = NULL;
4409 }
4410
4411 if (!result) goto retry;
4412
4413 return True;
4414 }
4415
4416 static void ldapsam_search_end(struct pdb_search *search)
4417 {
4418 struct ldap_search_state *state =
4419 (struct ldap_search_state *)search->private_data;
4420 int rc;
4421
4422 if (state->pagedresults_cookie == NULL)
4423 return;
4424
4425 if (state->entries != NULL)
4426 ldap_msgfree(state->entries);
4427
4428 state->entries = NULL;
4429 state->current_entry = NULL;
4430
4431 if (!state->connection->paged_results)
4432 return;
4433
4434 /* Tell the LDAP server we're not interested in the rest anymore. */
4435
4436 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4437 state->filter, state->attrs,
4438 state->attrsonly, 0, &state->entries,
4439 &state->pagedresults_cookie);
4440
4441 if (rc != LDAP_SUCCESS)
4442 DEBUG(5, ("Could not end search properly\n"));
4443
4444 return;
4445 }
4446
4447 static bool ldapuser2displayentry(struct ldap_search_state *state,
4448 TALLOC_CTX *mem_ctx,
4449 LDAP *ld, LDAPMessage *entry,
4450 struct samr_displayentry *result)
4451 {
4452 char **vals;
4453 size_t converted_size;
4454 DOM_SID sid;
4455 uint32 acct_flags;
4456
4457 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4458 if ((vals == NULL) || (vals[0] == NULL)) {
4459 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4460 return False;
4461 }
4462 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4463 ldap_value_free(vals);
4464
4465 if ((state->acct_flags != 0) &&
4466 ((state->acct_flags & acct_flags) == 0))
4467 return False;
4468
4469 result->acct_flags = acct_flags;
4470 result->account_name = "";
4471 result->fullname = "";
4472 result->description = "";
4473
4474 vals = ldap_get_values(ld, entry, "uid");
4475 if ((vals == NULL) || (vals[0] == NULL)) {
4476 DEBUG(5, ("\"uid\" not found\n"));
4477 return False;
4478 }
4479 if (!pull_utf8_talloc(mem_ctx,
4480 CONST_DISCARD(char **, &result->account_name),
4481 vals[0], &converted_size))
4482 {
4483 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4484 strerror(errno)));
4485 }
4486
4487 ldap_value_free(vals);
4488
4489 vals = ldap_get_values(ld, entry, "displayName");
4490 if ((vals == NULL) || (vals[0] == NULL))
4491 DEBUG(8, ("\"displayName\" not found\n"));
4492 else if (!pull_utf8_talloc(mem_ctx,
4493 CONST_DISCARD(char **, &result->fullname),
4494 vals[0], &converted_size))
4495 {
4496 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4497 strerror(errno)));
4498 }
4499
4500 ldap_value_free(vals);
4501
4502 vals = ldap_get_values(ld, entry, "description");
4503 if ((vals == NULL) || (vals[0] == NULL))
4504 DEBUG(8, ("\"description\" not found\n"));
4505 else if (!pull_utf8_talloc(mem_ctx,
4506 CONST_DISCARD(char **, &result->description),
4507 vals[0], &converted_size))
4508 {
4509 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4510 strerror(errno)));
4511 }
4512
4513 ldap_value_free(vals);
4514
4515 if ((result->account_name == NULL) ||
4516 (result->fullname == NULL) ||
4517 (result->description == NULL)) {
4518 DEBUG(0, ("talloc failed\n"));
4519 return False;
4520 }
4521
4522 vals = ldap_get_values(ld, entry, "sambaSid");
4523 if ((vals == NULL) || (vals[0] == NULL)) {
4524 DEBUG(0, ("\"objectSid\" not found\n"));
4525 return False;
4526 }
4527
4528 if (!string_to_sid(&sid, vals[0])) {
4529 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4530 ldap_value_free(vals);
4531 return False;
4532 }
4533 ldap_value_free(vals);
4534
4535 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4536 DEBUG(0, ("sid %s does not belong to our domain\n",
4537 sid_string_dbg(&sid)));
4538 return False;
4539 }
4540
4541 return True;
4542 }
4543
4544
4545 static bool ldapsam_search_users(struct pdb_methods *methods,
4546 struct pdb_search *search,
4547 uint32 acct_flags)
4548 {
4549 struct ldapsam_privates *ldap_state =
4550 (struct ldapsam_privates *)methods->private_data;
4551 struct ldap_search_state *state;
4552
4553 state = talloc(search, struct ldap_search_state);
4554 if (state == NULL) {
4555 DEBUG(0, ("talloc failed\n"));
4556 return False;
4557 }
4558
4559 state->connection = ldap_state->smbldap_state;
4560
4561 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4562 state->base = lp_ldap_user_suffix();
4563 else if ((acct_flags != 0) &&
4564 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4565 state->base = lp_ldap_machine_suffix();
4566 else
4567 state->base = lp_ldap_suffix();
4568
4569 state->acct_flags = acct_flags;
4570 state->base = talloc_strdup(search, state->base);
4571 state->scope = LDAP_SCOPE_SUBTREE;
4572 state->filter = get_ldap_filter(search, "*");
4573 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4574 "displayName", "description",
4575 "sambaAcctFlags", NULL);
4576 state->attrsonly = 0;
4577 state->pagedresults_cookie = NULL;
4578 state->entries = NULL;
4579 state->ldap2displayentry = ldapuser2displayentry;
4580
4581 if ((state->filter == NULL) || (state->attrs == NULL)) {
4582 DEBUG(0, ("talloc failed\n"));
4583 return False;
4584 }
4585
4586 search->private_data = state;
4587 search->next_entry = ldapsam_search_next_entry;
4588 search->search_end = ldapsam_search_end;
4589
4590 return ldapsam_search_firstpage(search);
4591 }
4592
4593 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4594 TALLOC_CTX *mem_ctx,
4595 LDAP *ld, LDAPMessage *entry,
4596 struct samr_displayentry *result)
4597 {
4598 char **vals;
4599 size_t converted_size;
4600 DOM_SID sid;
4601 uint16 group_type;
4602
4603 result->account_name = "";
4604 result->fullname = "";
4605 result->description = "";
4606
4607
4608 vals = ldap_get_values(ld, entry, "sambaGroupType");
4609 if ((vals == NULL) || (vals[0] == NULL)) {
4610 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4611 if (vals != NULL) {
4612 ldap_value_free(vals);
4613 }
4614 return False;
4615 }
4616
4617 group_type = atoi(vals[0]);
4618
4619 if ((state->group_type != 0) &&
4620 ((state->group_type != group_type))) {
4621 ldap_value_free(vals);
4622 return False;
4623 }
4624
4625 ldap_value_free(vals);
4626
4627 /* display name is the NT group name */
4628
4629 vals = ldap_get_values(ld, entry, "displayName");
4630 if ((vals == NULL) || (vals[0] == NULL)) {
4631 DEBUG(8, ("\"displayName\" not found\n"));
4632
4633 /* fallback to the 'cn' attribute */
4634 vals = ldap_get_values(ld, entry, "cn");
4635 if ((vals == NULL) || (vals[0] == NULL)) {
4636 DEBUG(5, ("\"cn\" not found\n"));
4637 return False;
4638 }
4639 if (!pull_utf8_talloc(mem_ctx,
4640 CONST_DISCARD(char **,
4641 &result->account_name),
4642 vals[0], &converted_size))
4643 {
4644 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4645 "failed: %s", strerror(errno)));
4646 }
4647 }
4648 else if (!pull_utf8_talloc(mem_ctx,
4649 CONST_DISCARD(char **,
4650 &result->account_name),
4651 vals[0], &converted_size))
4652 {
4653 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4654 strerror(errno)));
4655 }
4656
4657 ldap_value_free(vals);
4658
4659 vals = ldap_get_values(ld, entry, "description");
4660 if ((vals == NULL) || (vals[0] == NULL))
4661 DEBUG(8, ("\"description\" not found\n"));
4662 else if (!pull_utf8_talloc(mem_ctx,
4663 CONST_DISCARD(char **, &result->description),
4664 vals[0], &converted_size))
4665 {
4666 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4667 strerror(errno)));
4668 }
4669 ldap_value_free(vals);
4670
4671 if ((result->account_name == NULL) ||
4672 (result->fullname == NULL) ||
4673 (result->description == NULL)) {
4674 DEBUG(0, ("talloc failed\n"));
4675 return False;
4676 }
4677
4678 vals = ldap_get_values(ld, entry, "sambaSid");
4679 if ((vals == NULL) || (vals[0] == NULL)) {
4680 DEBUG(0, ("\"objectSid\" not found\n"));
4681 if (vals != NULL) {
4682 ldap_value_free(vals);
4683 }
4684 return False;
4685 }
4686
4687 if (!string_to_sid(&sid, vals[0])) {
4688 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4689 return False;
4690 }
4691
4692 ldap_value_free(vals);
4693
4694 switch (group_type) {
4695 case SID_NAME_DOM_GRP:
4696 case SID_NAME_ALIAS:
4697
4698 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4699 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4700 {
4701 DEBUG(0, ("%s is not in our domain\n",
4702 sid_string_dbg(&sid)));
4703 return False;
4704 }
4705 break;
4706
4707 default:
4708 DEBUG(0,("unkown group type: %d\n", group_type));
4709 return False;
4710 }
4711
4712 result->acct_flags = 0;
4713
4714 return True;
4715 }
4716
4717 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4718 struct pdb_search *search,
4719 const DOM_SID *sid,
4720 enum lsa_SidType type)
4721 {
4722 struct ldapsam_privates *ldap_state =
4723 (struct ldapsam_privates *)methods->private_data;
4724 struct ldap_search_state *state;
4725 fstring tmp;
4726
4727 state = talloc(search, struct ldap_search_state);
4728 if (state == NULL) {
4729 DEBUG(0, ("talloc failed\n"));
4730 return False;
4731 }
4732
4733 state->connection = ldap_state->smbldap_state;
4734
4735 state->base = talloc_strdup(search, lp_ldap_suffix());
4736 state->connection = ldap_state->smbldap_state;
4737 state->scope = LDAP_SCOPE_SUBTREE;
4738 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4739 "(sambaGroupType=%d)(sambaSID=%s*))",
4740 LDAP_OBJ_GROUPMAP,
4741 type, sid_to_fstring(tmp, sid));
4742 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4743 "displayName", "description",
4744 "sambaGroupType", NULL);
4745 state->attrsonly = 0;
4746 state->pagedresults_cookie = NULL;
4747 state->entries = NULL;
4748 state->group_type = type;
4749 state->ldap2displayentry = ldapgroup2displayentry;
4750
4751 if ((state->filter == NULL) || (state->attrs == NULL)) {
4752 DEBUG(0, ("talloc failed\n"));
4753 return False;
4754 }
4755
4756 search->private_data = state;
4757 search->next_entry = ldapsam_search_next_entry;
4758 search->search_end = ldapsam_search_end;
4759
4760 return ldapsam_search_firstpage(search);
4761 }
4762
4763 static bool ldapsam_search_groups(struct pdb_methods *methods,
4764 struct pdb_search *search)
4765 {
4766 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4767 }
4768
4769 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4770 struct pdb_search *search,
4771 const DOM_SID *sid)
4772 {
4773 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4774 }
4775
4776 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4777 {
4778 return PDB_CAP_STORE_RIDS;
4779 }
4780
4781 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4782 uint32 *rid)
4783 {
4784 struct smbldap_state *smbldap_state = priv->smbldap_state;
4785
4786 LDAPMessage *result = NULL;
4787 LDAPMessage *entry = NULL;
4788 LDAPMod **mods = NULL;
4789 NTSTATUS status;
4790 char *value;
4791 int rc;
4792 uint32 nextRid = 0;
4793 const char *dn;
4794
4795 TALLOC_CTX *mem_ctx;
4796
4797 mem_ctx = talloc_new(NULL);
4798 if (mem_ctx == NULL) {
4799 DEBUG(0, ("talloc_new failed\n"));
4800 return NT_STATUS_NO_MEMORY;
4801 }
4802
4803 status = smbldap_search_domain_info(smbldap_state, &result,
4804 get_global_sam_name(), False);
4805 if (!NT_STATUS_IS_OK(status)) {
4806 DEBUG(3, ("Could not get domain info: %s\n",
4807 nt_errstr(status)));
4808 goto done;
4809 }
4810
4811 talloc_autofree_ldapmsg(mem_ctx, result);
4812
4813 entry = ldap_first_entry(priv2ld(priv), result);
4814 if (entry == NULL) {
4815 DEBUG(0, ("Could not get domain info entry\n"));
4816 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4817 goto done;
4818 }
4819
4820 /* Find the largest of the three attributes "sambaNextRid",
4821 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4822 concept of differentiating between user and group rids, and will
4823 use only "sambaNextRid" in the future. But for compatibility
4824 reasons I look if others have chosen different strategies -- VL */
4825
4826 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4827 "sambaNextRid", mem_ctx);
4828 if (value != NULL) {
4829 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4830 nextRid = MAX(nextRid, tmp);
4831 }
4832
4833 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4834 "sambaNextUserRid", mem_ctx);
4835 if (value != NULL) {
4836 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4837 nextRid = MAX(nextRid, tmp);
4838 }
4839
4840 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4841 "sambaNextGroupRid", mem_ctx);
4842 if (value != NULL) {
4843 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4844 nextRid = MAX(nextRid, tmp);
4845 }
4846
4847 if (nextRid == 0) {
4848 nextRid = BASE_RID-1;
4849 }
4850
4851 nextRid += 1;
4852
4853 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4854 talloc_asprintf(mem_ctx, "%d", nextRid));
4855 talloc_autofree_ldapmod(mem_ctx, mods);
4856
4857 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4858 status = NT_STATUS_NO_MEMORY;
4859 goto done;
4860 }
4861
4862 rc = smbldap_modify(smbldap_state, dn, mods);
4863
4864 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4865 * please retry" */
4866
4867 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4868
4869 done:
4870 if (NT_STATUS_IS_OK(status)) {
4871 *rid = nextRid;
4872 }
4873
4874 TALLOC_FREE(mem_ctx);
4875 return status;
4876 }
4877
4878 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4879 {
4880 int i;
4881
4882 for (i=0; i<10; i++) {
4883 NTSTATUS result = ldapsam_get_new_rid(
4884 (struct ldapsam_privates *)methods->private_data, rid);
4885 if (NT_STATUS_IS_OK(result)) {
4886 return result;
4887 }
4888
4889 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4890 return result;
4891 }
4892
4893 /* The ldap update failed (maybe a race condition), retry */
4894 }
4895
4896 /* Tried 10 times, fail. */
4897 return NT_STATUS_ACCESS_DENIED;
4898 }
4899
4900 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4901 {
4902 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4903 return NT_STATUS_IS_OK(result) ? True : False;
4904 }
4905
4906 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4907 const DOM_SID *sid,
4908 union unid_t *id, enum lsa_SidType *type)
4909 {
4910 struct ldapsam_privates *priv =
4911 (struct ldapsam_privates *)methods->private_data;
4912 char *filter;
4913 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4914 NULL };
4915 LDAPMessage *result = NULL;
4916 LDAPMessage *entry = NULL;
4917 bool ret = False;
4918 char *value;
4919 int rc;
4920
4921 TALLOC_CTX *mem_ctx;
4922
4923 mem_ctx = talloc_new(NULL);
4924 if (mem_ctx == NULL) {
4925 DEBUG(0, ("talloc_new failed\n"));
4926 return False;
4927 }
4928
4929 filter = talloc_asprintf(mem_ctx,
4930 "(&(sambaSid=%s)"
4931 "(|(objectClass=%s)(objectClass=%s)))",
4932 sid_string_talloc(mem_ctx, sid),
4933 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4934 if (filter == NULL) {
4935 DEBUG(5, ("talloc_asprintf failed\n"));
4936 goto done;
4937 }
4938
4939 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4940 attrs, &result);
4941 if (rc != LDAP_SUCCESS) {
4942 goto done;
4943 }
4944 talloc_autofree_ldapmsg(mem_ctx, result);
4945
4946 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4947 DEBUG(10, ("Got %d entries, expected one\n",
4948 ldap_count_entries(priv2ld(priv), result)));
4949 goto done;
4950 }
4951
4952 entry = ldap_first_entry(priv2ld(priv), result);
4953
4954 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4955 "sambaGroupType", mem_ctx);
4956
4957 if (value != NULL) {
4958 const char *gid_str;
4959 /* It's a group */
4960
4961 gid_str = smbldap_talloc_single_attribute(
4962 priv2ld(priv), entry, "gidNumber", mem_ctx);
4963 if (gid_str == NULL) {
4964 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4965 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4966 entry)));
4967 goto done;
4968 }
4969
4970 id->gid = strtoul(gid_str, NULL, 10);
4971 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4972 store_gid_sid_cache(sid, id->gid);
4973 idmap_cache_set_sid2gid(sid, id->gid);
4974 ret = True;
4975 goto done;
4976 }
4977
4978 /* It must be a user */
4979
4980 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4981 "uidNumber", mem_ctx);
4982 if (value == NULL) {
4983 DEBUG(1, ("Could not find uidNumber in %s\n",
4984 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4985 goto done;
4986 }
4987
4988 id->uid = strtoul(value, NULL, 10);
4989 *type = SID_NAME_USER;
4990 store_uid_sid_cache(sid, id->uid);
4991 idmap_cache_set_sid2uid(sid, id->uid);
4992
4993 ret = True;
4994 done:
4995 TALLOC_FREE(mem_ctx);
4996 return ret;
4997 }
4998
4999 /**
5000 * Find the SID for a uid.
5001 * This is shortcut is only used if ldapsam:trusted is set to true.
5002 */
5003 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5004 DOM_SID *sid)
5005 {
5006 struct ldapsam_privates *priv =
5007 (struct ldapsam_privates *)methods->private_data;
5008 char *filter;
5009 const char *attrs[] = { "sambaSID", NULL };
5010 LDAPMessage *result = NULL;
5011 LDAPMessage *entry = NULL;
5012 bool ret = false;
5013 char *user_sid_string;
5014 DOM_SID *user_sid;
5015 int rc;
5016 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5017
5018 filter = talloc_asprintf(tmp_ctx,
5019 "(&(uidNumber=%u)"
5020 "(objectClass=%s)"
5021 "(objectClass=%s))",
5022 (unsigned int)uid,
5023 LDAP_OBJ_POSIXACCOUNT,
5024 LDAP_OBJ_SAMBASAMACCOUNT);
5025 if (filter == NULL) {
5026 DEBUG(3, ("talloc_asprintf failed\n"));
5027 goto done;
5028 }
5029
5030 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5031 if (rc != LDAP_SUCCESS) {
5032 goto done;
5033 }
5034 talloc_autofree_ldapmsg(tmp_ctx, result);
5035
5036 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5037 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5038 ldap_count_entries(priv2ld(priv), result),
5039 (unsigned int)uid));
5040 goto done;
5041 }
5042
5043 entry = ldap_first_entry(priv2ld(priv), result);
5044
5045 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5046 "sambaSID", tmp_ctx);
5047 if (user_sid_string == NULL) {
5048 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5049 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5050 goto done;
5051 }
5052
5053 user_sid = string_sid_talloc(tmp_ctx, user_sid_string);
5054 if (user_sid == NULL) {
5055 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5056 user_sid_string));
5057 goto done;
5058 }
5059
5060 sid_copy(sid, user_sid);
5061
5062 store_uid_sid_cache(sid, uid);
5063 idmap_cache_set_sid2uid(sid, uid);
5064
5065 ret = true;
5066
5067 done:
5068 TALLOC_FREE(tmp_ctx);
5069 return ret;
5070 }
5071
5072
5073 /*
5074 * The following functions are called only if
5075 * ldapsam:trusted and ldapsam:editposix are
5076 * set to true
5077 */
5078
5079 /*
5080 * ldapsam_create_user creates a new
5081 * posixAccount and sambaSamAccount object
5082 * in the ldap users subtree
5083 *
5084 * The uid is allocated by winbindd.
5085 */
5086
5087 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5088 TALLOC_CTX *tmp_ctx, const char *name,
5089 uint32 acb_info, uint32 *rid)
5090 {
5091 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5092 LDAPMessage *entry = NULL;
5093 LDAPMessage *result = NULL;
5094 uint32 num_result;
5095 bool is_machine = False;
5096 bool add_posix = False;
5097 LDAPMod **mods = NULL;
5098 struct samu *user;
5099 char *filter;
5100 char *username;
5101 char *homedir;
5102 char *gidstr;
5103 char *uidstr;
5104 char *shell;
5105 const char *dn = NULL;
5106 DOM_SID group_sid;
5107 DOM_SID user_sid;
5108 gid_t gid = -1;
5109 uid_t uid = -1;
5110 NTSTATUS ret;
5111 int rc;
5112
5113 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5114 acb_info & ACB_WSTRUST ||
5115 acb_info & ACB_SVRTRUST ||
5116 acb_info & ACB_DOMTRUST) {
5117 is_machine = True;
5118 }
5119
5120 username = escape_ldap_string(talloc_tos(), name);
5121 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5122 username, LDAP_OBJ_POSIXACCOUNT);
5123 TALLOC_FREE(username);
5124
5125 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5126 if (rc != LDAP_SUCCESS) {
5127 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5128 return NT_STATUS_ACCESS_DENIED;
5129 }
5130 talloc_autofree_ldapmsg(tmp_ctx, result);
5131
5132 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5133
5134 if (num_result > 1) {
5135 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5136 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5137 }
5138
5139 if (num_result == 1) {
5140 char *tmp;
5141 /* check if it is just a posix account.
5142 * or if there is a sid attached to this entry
5143 */
5144
5145 entry = ldap_first_entry(priv2ld(ldap_state), result);
5146 if (!entry) {
5147 return NT_STATUS_UNSUCCESSFUL;
5148 }
5149
5150 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5151 if (tmp) {
5152 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5153 return NT_STATUS_USER_EXISTS;
5154 }
5155
5156 /* it is just a posix account, retrieve the dn for later use */
5157 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5158 if (!dn) {
5159 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5160 return NT_STATUS_NO_MEMORY;
5161 }
5162 }
5163
5164 if (num_result == 0) {
5165 add_posix = True;
5166 }
5167
5168 /* Create the basic samu structure and generate the mods for the ldap commit */
5169 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5170 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5171 return ret;
5172 }
5173
5174 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5175
5176 user = samu_new(tmp_ctx);
5177 if (!user) {
5178 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5179 return NT_STATUS_NO_MEMORY;
5180 }
5181
5182 if (!pdb_set_username(user, name, PDB_SET)) {
5183 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5184 return NT_STATUS_UNSUCCESSFUL;
5185 }
5186 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5187 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5188 return NT_STATUS_UNSUCCESSFUL;
5189 }
5190 if (is_machine) {
5191 if (acb_info & ACB_NORMAL) {
5192 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5193 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5194 return NT_STATUS_UNSUCCESSFUL;
5195 }
5196 } else {
5197 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5198 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5199 return NT_STATUS_UNSUCCESSFUL;
5200 }
5201 }
5202 } else {
5203 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5204 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5205 return NT_STATUS_UNSUCCESSFUL;
5206 }
5207 }
5208
5209 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5210 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5211 return NT_STATUS_UNSUCCESSFUL;
5212 }
5213
5214 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5215 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5216 return NT_STATUS_UNSUCCESSFUL;
5217 }
5218
5219 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5220 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5221 }
5222 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5223
5224 if (add_posix) {
5225 char *escape_name;
5226
5227 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5228
5229 /* retrieve the Domain Users group gid */
5230 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5231 !sid_to_gid(&group_sid, &gid)) {
5232 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5233 return NT_STATUS_INVALID_PRIMARY_GROUP;
5234 }
5235
5236 /* lets allocate a new userid for this user */
5237 if (!winbind_allocate_uid(&uid)) {
5238 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5239 return NT_STATUS_UNSUCCESSFUL;
5240 }
5241
5242
5243 if (is_machine) {
5244 /* TODO: choose a more appropriate default for machines */
5245 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5246 shell = talloc_strdup(tmp_ctx, "/bin/false");
5247 } else {
5248 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5249 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5250 }
5251 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5252 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5253
5254 escape_name = escape_rdn_val_string_alloc(name);
5255 if (!escape_name) {
5256 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5257 return NT_STATUS_NO_MEMORY;
5258 }
5259
5260 if (is_machine) {
5261 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5262 } else {
5263 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5264 }
5265
5266 SAFE_FREE(escape_name);
5267
5268 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5269 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5270 return NT_STATUS_NO_MEMORY;
5271 }
5272
5273 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5274 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5275 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5276 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5277 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5278 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5279 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5280 }
5281
5282 talloc_autofree_ldapmod(tmp_ctx, mods);
5283
5284 if (add_posix) {
5285 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5286 } else {
5287 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5288 }
5289
5290 if (rc != LDAP_SUCCESS) {
5291 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5292 return NT_STATUS_UNSUCCESSFUL;
5293 }
5294
5295 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5296
5297 flush_pwnam_cache();
5298
5299 return NT_STATUS_OK;
5300 }
5301
5302 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5303 {
5304 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5305 LDAPMessage *result = NULL;
5306 LDAPMessage *entry = NULL;
5307 int num_result;
5308 const char *dn;
5309 char *filter;
5310 int rc;
5311
5312 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5313
5314 filter = talloc_asprintf(tmp_ctx,
5315 "(&(uid=%s)"
5316 "(objectClass=%s)"
5317 "(objectClass=%s))",
5318 pdb_get_username(sam_acct),
5319 LDAP_OBJ_POSIXACCOUNT,
5320 LDAP_OBJ_SAMBASAMACCOUNT);
5321 if (filter == NULL) {
5322 return NT_STATUS_NO_MEMORY;
5323 }
5324
5325 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5326 if (rc != LDAP_SUCCESS) {
5327 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5328 return NT_STATUS_UNSUCCESSFUL;
5329 }
5330 talloc_autofree_ldapmsg(tmp_ctx, result);
5331
5332 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5333
5334 if (num_result == 0) {
5335 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5336 return NT_STATUS_NO_SUCH_USER;
5337 }
5338
5339 if (num_result > 1) {
5340 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5341 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5342 }
5343
5344 entry = ldap_first_entry(priv2ld(ldap_state), result);
5345 if (!entry) {
5346 return NT_STATUS_UNSUCCESSFUL;
5347 }
5348
5349 /* it is just a posix account, retrieve the dn for later use */
5350 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5351 if (!dn) {
5352 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5353 return NT_STATUS_NO_MEMORY;
5354 }
5355
5356 /* try to remove memberships first */
5357 {
5358 NTSTATUS status;
5359 struct dom_sid *sids = NULL;
5360 gid_t *gids = NULL;
5361 size_t num_groups = 0;
5362 int i;
5363 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5364
5365 status = ldapsam_enum_group_memberships(my_methods,
5366 tmp_ctx,
5367 sam_acct,
5368 &sids,
5369 &gids,
5370 &num_groups);
5371 if (!NT_STATUS_IS_OK(status)) {
5372 goto delete_dn;
5373 }
5374
5375 for (i=0; i < num_groups; i++) {
5376
5377 uint32_t group_rid;
5378
5379 sid_peek_rid(&sids[i], &group_rid);
5380
5381 ldapsam_del_groupmem(my_methods,
5382 tmp_ctx,
5383 group_rid,
5384 user_rid);
5385 }
5386 }
5387
5388 delete_dn:
5389
5390 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5391 if (rc != LDAP_SUCCESS) {
5392 return NT_STATUS_UNSUCCESSFUL;
5393 }
5394
5395 flush_pwnam_cache();
5396
5397 return NT_STATUS_OK;
5398 }
5399
5400 /*
5401 * ldapsam_create_group creates a new
5402 * posixGroup and sambaGroupMapping object
5403 * in the ldap groups subtree
5404 *
5405 * The gid is allocated by winbindd.
5406 */
5407
5408 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5409 TALLOC_CTX *tmp_ctx,
5410 const char *name,
5411 uint32 *rid)
5412 {
5413 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5414 NTSTATUS ret;
5415 LDAPMessage *entry = NULL;
5416 LDAPMessage *result = NULL;
5417 uint32 num_result;
5418 bool is_new_entry = False;
5419 LDAPMod **mods = NULL;
5420 char *filter;
5421 char *groupsidstr;
5422 char *groupname;
5423 char *grouptype;
5424 char *gidstr;
5425 const char *dn = NULL;
5426 DOM_SID group_sid;
5427 gid_t gid = -1;
5428 int rc;
5429
5430 groupname = escape_ldap_string(talloc_tos(), name);
5431 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5432 groupname, LDAP_OBJ_POSIXGROUP);
5433 TALLOC_FREE(groupname);
5434
5435 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5436 if (rc != LDAP_SUCCESS) {
5437 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5438 return NT_STATUS_UNSUCCESSFUL;
5439 }
5440 talloc_autofree_ldapmsg(tmp_ctx, result);
5441
5442 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5443
5444 if (num_result > 1) {
5445 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5446 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5447 }
5448
5449 if (num_result == 1) {
5450 char *tmp;
5451 /* check if it is just a posix group.
5452 * or if there is a sid attached to this entry
5453 */
5454
5455 entry = ldap_first_entry(priv2ld(ldap_state), result);
5456 if (!entry) {
5457 return NT_STATUS_UNSUCCESSFUL;
5458 }
5459
5460 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5461 if (tmp) {
5462 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5463 return NT_STATUS_GROUP_EXISTS;
5464 }
5465
5466 /* it is just a posix group, retrieve the gid and the dn for later use */
5467 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5468 if (!tmp) {
5469 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5470 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5471 }
5472
5473 gid = strtoul(tmp, NULL, 10);
5474
5475 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5476 if (!dn) {
5477 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5478 return NT_STATUS_NO_MEMORY;
5479 }
5480 }
5481
5482 if (num_result == 0) {
5483 char *escape_name;
5484
5485 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5486
5487 is_new_entry = True;
5488
5489 /* lets allocate a new groupid for this group */
5490 if (!winbind_allocate_gid(&gid)) {
5491 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5492 return NT_STATUS_UNSUCCESSFUL;
5493 }
5494
5495 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5496
5497 escape_name = escape_rdn_val_string_alloc(name);
5498 if (!escape_name) {
5499 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5500 return NT_STATUS_NO_MEMORY;
5501 }
5502
5503 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5504
5505 SAFE_FREE(escape_name);
5506
5507 if (!gidstr || !dn) {
5508 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5509 return NT_STATUS_NO_MEMORY;
5510 }
5511
5512 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5513 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5514 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5515 }
5516
5517 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5518 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5519 return ret;
5520 }
5521
5522 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5523
5524 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5525 &group_sid));
5526 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5527
5528 if (!groupsidstr || !grouptype) {
5529 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5530 return NT_STATUS_NO_MEMORY;
5531 }
5532
5533 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5534 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5535 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5536 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5537 talloc_autofree_ldapmod(tmp_ctx, mods);
5538
5539 if (is_new_entry) {
5540 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5541 #if 0
5542 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5543 /* This call may fail with rfc2307bis schema */
5544 /* Retry adding a structural class */
5545 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5546 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5547 }
5548 #endif
5549 } else {
5550 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5551 }
5552
5553 if (rc != LDAP_SUCCESS) {
5554 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5555 return NT_STATUS_UNSUCCESSFUL;
5556 }
5557
5558 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5559
5560 return NT_STATUS_OK;
5561 }
5562
5563 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5564 {
5565 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5566 LDAPMessage *result = NULL;
5567 LDAPMessage *entry = NULL;
5568 int num_result;
5569 const char *dn;
5570 char *gidstr;
5571 char *filter;
5572 DOM_SID group_sid;
5573 int rc;
5574
5575 /* get the group sid */
5576 sid_compose(&group_sid, get_global_sam_sid(), rid);
5577
5578 filter = talloc_asprintf(tmp_ctx,
5579 "(&(sambaSID=%s)"
5580 "(objectClass=%s)"
5581 "(objectClass=%s))",
5582 sid_string_talloc(tmp_ctx, &group_sid),
5583 LDAP_OBJ_POSIXGROUP,
5584 LDAP_OBJ_GROUPMAP);
5585 if (filter == NULL) {
5586 return NT_STATUS_NO_MEMORY;
5587 }
5588
5589 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5590 if (rc != LDAP_SUCCESS) {
5591 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5592 return NT_STATUS_UNSUCCESSFUL;
5593 }
5594 talloc_autofree_ldapmsg(tmp_ctx, result);
5595
5596 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5597
5598 if (num_result == 0) {
5599 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5600 return NT_STATUS_NO_SUCH_GROUP;
5601 }
5602
5603 if (num_result > 1) {
5604 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5605 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5606 }
5607
5608 entry = ldap_first_entry(priv2ld(ldap_state), result);
5609 if (!entry) {
5610 return NT_STATUS_UNSUCCESSFUL;
5611 }
5612
5613 /* here it is, retrieve the dn for later use */
5614 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5615 if (!dn) {
5616 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5617 return NT_STATUS_NO_MEMORY;
5618 }
5619
5620 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5621 if (!gidstr) {
5622 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5623 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5624 }
5625
5626 /* check no user have this group marked as primary group */
5627 filter = talloc_asprintf(tmp_ctx,
5628 "(&(gidNumber=%s)"
5629 "(objectClass=%s)"
5630 "(objectClass=%s))",
5631 gidstr,
5632 LDAP_OBJ_POSIXACCOUNT,
5633 LDAP_OBJ_SAMBASAMACCOUNT);
5634
5635 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5636 if (rc != LDAP_SUCCESS) {
5637 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5638 return NT_STATUS_UNSUCCESSFUL;
5639 }
5640 talloc_autofree_ldapmsg(tmp_ctx, result);
5641
5642 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5643
5644 if (num_result != 0) {
5645 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5646 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5647 }
5648
5649 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5650 if (rc != LDAP_SUCCESS) {
5651 return NT_STATUS_UNSUCCESSFUL;
5652 }
5653
5654 return NT_STATUS_OK;
5655 }
5656
5657 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5658 TALLOC_CTX *tmp_ctx,
5659 uint32 group_rid,
5660 uint32 member_rid,
5661 int modop)
5662 {
5663 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5664 LDAPMessage *entry = NULL;
5665 LDAPMessage *result = NULL;
5666 uint32 num_result;
5667 LDAPMod **mods = NULL;
5668 char *filter;
5669 char *uidstr;
5670 const char *dn = NULL;
5671 DOM_SID group_sid;
5672 DOM_SID member_sid;
5673 int rc;
5674
5675 switch (modop) {
5676 case LDAP_MOD_ADD:
5677 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5678 break;
5679 case LDAP_MOD_DELETE:
5680 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5681 break;
5682 default:
5683 return NT_STATUS_UNSUCCESSFUL;
5684 }
5685
5686 /* get member sid */
5687 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5688
5689 /* get the group sid */
5690 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5691
5692 filter = talloc_asprintf(tmp_ctx,
5693 "(&(sambaSID=%s)"
5694 "(objectClass=%s)"
5695 "(objectClass=%s))",
5696 sid_string_talloc(tmp_ctx, &member_sid),
5697 LDAP_OBJ_POSIXACCOUNT,
5698 LDAP_OBJ_SAMBASAMACCOUNT);
5699 if (filter == NULL) {
5700 return NT_STATUS_NO_MEMORY;
5701 }
5702
5703 /* get the member uid */
5704 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5705 if (rc != LDAP_SUCCESS) {
5706 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5707 return NT_STATUS_UNSUCCESSFUL;
5708 }
5709 talloc_autofree_ldapmsg(tmp_ctx, result);
5710
5711 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5712
5713 if (num_result == 0) {
5714 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5715 return NT_STATUS_NO_SUCH_MEMBER;
5716 }
5717
5718 if (num_result > 1) {
5719 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5720 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5721 }
5722
5723 entry = ldap_first_entry(priv2ld(ldap_state), result);
5724 if (!entry) {
5725 return NT_STATUS_UNSUCCESSFUL;
5726 }
5727
5728 if (modop == LDAP_MOD_DELETE) {
5729 /* check if we are trying to remove the member from his primary group */
5730 char *gidstr;
5731 gid_t user_gid, group_gid;
5732
5733 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5734 if (!gidstr) {
5735 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5736 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5737 }
5738
5739 user_gid = strtoul(gidstr, NULL, 10);
5740
5741 if (!sid_to_gid(&group_sid, &group_gid)) {
5742 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5743 return NT_STATUS_UNSUCCESSFUL;
5744 }
5745
5746 if (user_gid == group_gid) {
5747 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5748 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5749 }
5750 }
5751
5752 /* here it is, retrieve the uid for later use */
5753 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5754 if (!uidstr) {
5755 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5756 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5757 }
5758
5759 filter = talloc_asprintf(tmp_ctx,
5760 "(&(sambaSID=%s)"
5761 "(objectClass=%s)"
5762 "(objectClass=%s))",
5763 sid_string_talloc(tmp_ctx, &group_sid),
5764 LDAP_OBJ_POSIXGROUP,
5765 LDAP_OBJ_GROUPMAP);
5766
5767 /* get the group */
5768 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5769 if (rc != LDAP_SUCCESS) {
5770 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5771 return NT_STATUS_UNSUCCESSFUL;
5772 }
5773 talloc_autofree_ldapmsg(tmp_ctx, result);
5774
5775 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5776
5777 if (num_result == 0) {
5778 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5779 return NT_STATUS_NO_SUCH_GROUP;
5780 }
5781
5782 if (num_result > 1) {
5783 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5784 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5785 }
5786
5787 entry = ldap_first_entry(priv2ld(ldap_state), result);
5788 if (!entry) {
5789 return NT_STATUS_UNSUCCESSFUL;
5790 }
5791
5792 /* here it is, retrieve the dn for later use */
5793 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5794 if (!dn) {
5795 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5796 return NT_STATUS_NO_MEMORY;
5797 }
5798
5799 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5800
5801 talloc_autofree_ldapmod(tmp_ctx, mods);
5802
5803 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5804 if (rc != LDAP_SUCCESS) {
5805 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5806 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5807 return NT_STATUS_MEMBER_IN_GROUP;
5808 }
5809 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5810 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5811 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5812 }
5813 return NT_STATUS_UNSUCCESSFUL;
5814 }
5815
5816 return NT_STATUS_OK;
5817 }
5818
5819 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5820 TALLOC_CTX *tmp_ctx,
5821 uint32 group_rid,
5822 uint32 member_rid)
5823 {
5824 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5825 }
5826 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5827 TALLOC_CTX *tmp_ctx,
5828 uint32 group_rid,
5829 uint32 member_rid)
5830 {
5831 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5832 }
5833
5834 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5835 TALLOC_CTX *mem_ctx,
5836 struct samu *sampass)
5837 {
5838 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5839 LDAPMessage *entry = NULL;
5840 LDAPMessage *result = NULL;
5841 uint32 num_result;
5842 LDAPMod **mods = NULL;
5843 char *filter;
5844 char *escape_username;
5845 char *gidstr;
5846 const char *dn = NULL;
5847 gid_t gid;
5848 int rc;
5849
5850 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5851
5852 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5853 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5854 return NT_STATUS_UNSUCCESSFUL;
5855 }
5856 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5857 if (!gidstr) {
5858 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5859 return NT_STATUS_NO_MEMORY;
5860 }
5861
5862 escape_username = escape_ldap_string(talloc_tos(),
5863 pdb_get_username(sampass));
5864 if (escape_username== NULL) {
5865 return NT_STATUS_NO_MEMORY;
5866 }
5867
5868 filter = talloc_asprintf(mem_ctx,
5869 "(&(uid=%s)"
5870 "(objectClass=%s)"
5871 "(objectClass=%s))",
5872 escape_username,
5873 LDAP_OBJ_POSIXACCOUNT,
5874 LDAP_OBJ_SAMBASAMACCOUNT);
5875
5876 TALLOC_FREE(escape_username);
5877
5878 if (filter == NULL) {
5879 return NT_STATUS_NO_MEMORY;
5880 }
5881
5882 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5883 if (rc != LDAP_SUCCESS) {
5884 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5885 return NT_STATUS_UNSUCCESSFUL;
5886 }
5887 talloc_autofree_ldapmsg(mem_ctx, result);
5888
5889 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5890
5891 if (num_result == 0) {
5892 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5893 return NT_STATUS_NO_SUCH_USER;
5894 }
5895
5896 if (num_result > 1) {
5897 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5898 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5899 }
5900
5901 entry = ldap_first_entry(priv2ld(ldap_state), result);
5902 if (!entry) {
5903 return NT_STATUS_UNSUCCESSFUL;
5904 }
5905
5906 /* retrieve the dn for later use */
5907 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5908 if (!dn) {
5909 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5910 return NT_STATUS_NO_MEMORY;
5911 }
5912
5913 /* remove the old one, and add the new one, this way we do not risk races */
5914 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5915
5916 if (mods == NULL) {
5917 return NT_STATUS_OK;
5918 }
5919
5920 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5921
5922 if (rc != LDAP_SUCCESS) {
5923 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5924 pdb_get_username(sampass), gidstr));
5925 return NT_STATUS_UNSUCCESSFUL;
5926 }
5927
5928 flush_pwnam_cache();
5929
5930 return NT_STATUS_OK;
5931 }
5932
5933
5934 /**********************************************************************
5935 trusted domains functions
5936 *********************************************************************/
5937
5938 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
5939 const char *domain)
5940 {
5941 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
5942 ldap_state->domain_dn);
5943 }
5944
5945 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
5946 TALLOC_CTX *mem_ctx,
5947 const char *domain, LDAPMessage **entry)
5948 {
5949 int rc;
5950 char *filter;
5951 int scope = LDAP_SCOPE_SUBTREE;
5952 const char **attrs = NULL; /* NULL: get all attrs */
5953 int attrsonly = 0; /* 0: return values too */
5954 LDAPMessage *result = NULL;
5955 char *trusted_dn;
5956 uint32 num_result;
5957
5958 filter = talloc_asprintf(talloc_tos(),
5959 "(&(objectClass=%s)(sambaDomainName=%s))",
5960 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
5961
5962 trusted_dn = trusteddom_dn(ldap_state, domain);
5963 if (trusted_dn == NULL) {
5964 return False;
5965 }
5966 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
5967 filter, attrs, attrsonly, &result);
5968
5969 if (result != NULL) {
5970 talloc_autofree_ldapmsg(mem_ctx, result);
5971 }
5972
5973 if (rc == LDAP_NO_SUCH_OBJECT) {
5974 *entry = NULL;
5975 return True;
5976 }
5977
5978 if (rc != LDAP_SUCCESS) {
5979 return False;
5980 }
5981
5982 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5983
5984 if (num_result > 1) {
5985 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
5986 "%s object for domain '%s'?!\n",
5987 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5988 return False;
5989 }
5990
5991 if (num_result == 0) {
5992 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
5993 "%s object for domain %s.\n",
5994 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
5995 *entry = NULL;
5996 } else {
5997 *entry = ldap_first_entry(priv2ld(ldap_state), result);
5998 }
5999
6000 return True;
6001 }
6002
6003 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6004 const char *domain,
6005 char** pwd,
6006 DOM_SID *sid,
6007 time_t *pass_last_set_time)
6008 {
6009 struct ldapsam_privates *ldap_state =
6010 (struct ldapsam_privates *)methods->private_data;
6011 LDAPMessage *entry = NULL;
6012
6013 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6014
6015 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6016 (entry == NULL))
6017 {
6018 return False;
6019 }
6020
6021 /* password */
6022 if (pwd != NULL) {
6023 char *pwd_str;
6024 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6025 entry, "sambaClearTextPassword", talloc_tos());
6026 if (pwd_str == NULL) {
6027 return False;
6028 }
6029 /* trusteddom_pw routines do not use talloc yet... */
6030 *pwd = SMB_STRDUP(pwd_str);
6031 if (*pwd == NULL) {
6032 return False;
6033 }
6034 }
6035
6036 /* last change time */
6037 if (pass_last_set_time != NULL) {
6038 char *time_str;
6039 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6040 entry, "sambaPwdLastSet", talloc_tos());
6041 if (time_str == NULL) {
6042 return False;
6043 }
6044 *pass_last_set_time = (time_t)atol(time_str);
6045 }
6046
6047 /* domain sid */
6048 if (sid != NULL) {
6049 char *sid_str;
6050 DOM_SID *dom_sid;
6051 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6052 entry, "sambaSID",
6053 talloc_tos());
6054 if (sid_str == NULL) {
6055 return False;
6056 }
6057 dom_sid = string_sid_talloc(talloc_tos(), sid_str);
6058 if (dom_sid == NULL) {
6059 return False;
6060 }
6061 sid_copy(sid, dom_sid);
6062 }
6063
6064 return True;
6065 }
6066
6067 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6068 const char* domain,
6069 const char* pwd,
6070 const DOM_SID *sid)
6071 {
6072 struct ldapsam_privates *ldap_state =
6073 (struct ldapsam_privates *)methods->private_data;
6074 LDAPMessage *entry = NULL;
6075 LDAPMod **mods = NULL;
6076 char *prev_pwd = NULL;
6077 char *trusted_dn = NULL;
6078 int rc;
6079
6080 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6081
6082 /*
6083 * get the current entry (if there is one) in order to put the
6084 * current password into the previous password attribute
6085 */
6086 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6087 return False;
6088 }
6089
6090 mods = NULL;
6091 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6092 LDAP_OBJ_TRUSTDOM_PASSWORD);
6093 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6094 domain);
6095 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6096 sid_string_tos(sid));
6097 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6098 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6099 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6100 "sambaClearTextPassword", pwd);
6101
6102 if (entry != NULL) {
6103 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6104 entry, "sambaClearTextPassword", talloc_tos());
6105 if (prev_pwd != NULL) {
6106 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6107 "sambaPreviousClearTextPassword",
6108 prev_pwd);
6109 }
6110 }
6111
6112 talloc_autofree_ldapmod(talloc_tos(), mods);
6113
6114 trusted_dn = trusteddom_dn(ldap_state, domain);
6115 if (trusted_dn == NULL) {
6116 return False;
6117 }
6118 if (entry == NULL) {
6119 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6120 } else {
6121 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6122 }
6123
6124 if (rc != LDAP_SUCCESS) {
6125 DEBUG(1, ("error writing trusted domain password!\n"));
6126 return False;
6127 }
6128
6129 return True;
6130 }
6131
6132 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6133 const char *domain)
6134 {
6135 int rc;
6136 struct ldapsam_privates *ldap_state =
6137 (struct ldapsam_privates *)methods->private_data;
6138 LDAPMessage *entry = NULL;
6139 const char *trusted_dn;
6140
6141 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6142 return False;
6143 }
6144
6145 if (entry == NULL) {
6146 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6147 "%s\n", domain));
6148 return True;
6149 }
6150
6151 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6152 entry);
6153 if (trusted_dn == NULL) {
6154 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6155 return False;
6156 }
6157
6158 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6159 if (rc != LDAP_SUCCESS) {
6160 return False;
6161 }
6162
6163 return True;
6164 }
6165
6166 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6167 TALLOC_CTX *mem_ctx,
6168 uint32 *num_domains,
6169 struct trustdom_info ***domains)
6170 {
6171 int rc;
6172 struct ldapsam_privates *ldap_state =
6173 (struct ldapsam_privates *)methods->private_data;
6174 char *filter;
6175 int scope = LDAP_SCOPE_SUBTREE;
6176 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6177 int attrsonly = 0; /* 0: return values too */
6178 LDAPMessage *result = NULL;
6179 LDAPMessage *entry = NULL;
6180
6181 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6182 LDAP_OBJ_TRUSTDOM_PASSWORD);
6183
6184 rc = smbldap_search(ldap_state->smbldap_state,
6185 ldap_state->domain_dn,
6186 scope,
6187 filter,
6188 attrs,
6189 attrsonly,
6190 &result);
6191
6192 if (result != NULL) {
6193 talloc_autofree_ldapmsg(mem_ctx, result);
6194 }
6195
6196 if (rc != LDAP_SUCCESS) {
6197 return NT_STATUS_UNSUCCESSFUL;
6198 }
6199
6200 *num_domains = 0;
6201 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6202 DEBUG(1, ("talloc failed\n"));
6203 return NT_STATUS_NO_MEMORY;
6204 }
6205
6206 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6207 entry != NULL;
6208 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6209 {
6210 char *dom_name, *dom_sid_str;
6211 struct trustdom_info *dom_info;
6212
6213 dom_info = TALLOC_P(*domains, struct trustdom_info);
6214 if (dom_info == NULL) {
6215 DEBUG(1, ("talloc failed\n"));
6216 return NT_STATUS_NO_MEMORY;
6217 }
6218
6219 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6220 entry,
6221 "sambaDomainName",
6222 talloc_tos());
6223 if (dom_name == NULL) {
6224 DEBUG(1, ("talloc failed\n"));
6225 return NT_STATUS_NO_MEMORY;
6226 }
6227 dom_info->name = dom_name;
6228
6229 dom_sid_str = smbldap_talloc_single_attribute(
6230 priv2ld(ldap_state), entry, "sambaSID",
6231 talloc_tos());
6232 if (dom_sid_str == NULL) {
6233 DEBUG(1, ("talloc failed\n"));
6234 return NT_STATUS_NO_MEMORY;
6235 }
6236 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6237 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6238 dom_sid_str));
6239 return NT_STATUS_UNSUCCESSFUL;
6240 }
6241
6242 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6243 domains, num_domains);
6244
6245 if (*domains == NULL) {
6246 DEBUG(1, ("talloc failed\n"));
6247 return NT_STATUS_NO_MEMORY;
6248 }
6249 }
6250
6251 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6252 return NT_STATUS_OK;
6253 }
6254
6255
6256 /**********************************************************************
6257 Housekeeping
6258 *********************************************************************/
6259
6260 static void free_private_data(void **vp)
6261 {
6262 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6263
6264 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6265
6266 if ((*ldap_state)->result != NULL) {
6267 ldap_msgfree((*ldap_state)->result);
6268 (*ldap_state)->result = NULL;
6269 }
6270 if ((*ldap_state)->domain_dn != NULL) {
6271 SAFE_FREE((*ldap_state)->domain_dn);
6272 }
6273
6274 *ldap_state = NULL;
6275
6276 /* No need to free any further, as it is talloc()ed */
6277 }
6278
6279 /*********************************************************************
6280 Intitalise the parts of the pdb_methods structure that are common to
6281 all pdb_ldap modes
6282 *********************************************************************/
6283
6284 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6285 {
6286 NTSTATUS nt_status;
6287 struct ldapsam_privates *ldap_state;
6288
6289 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6290 return nt_status;
6291 }
6292
6293 (*pdb_method)->name = "ldapsam";
6294
6295 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6296 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6297 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6298 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6299 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6300 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6301
6302 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6303 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6304 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6305 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6306 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6307 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6308 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6309
6310 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6311 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6312
6313 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6314
6315 (*pdb_method)->capabilities = ldapsam_capabilities;
6316 (*pdb_method)->new_rid = ldapsam_new_rid;
6317
6318 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6319 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6320 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6321 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6322
6323 /* TODO: Setup private data and free */
6324
6325 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6326 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6327 return NT_STATUS_NO_MEMORY;
6328 }
6329
6330 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6331 location, &ldap_state->smbldap_state);
6332
6333 if ( !NT_STATUS_IS_OK(nt_status) ) {
6334 return nt_status;
6335 }
6336
6337 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6338 return NT_STATUS_NO_MEMORY;
6339 }
6340
6341 (*pdb_method)->private_data = ldap_state;
6342
6343 (*pdb_method)->free_private_data = free_private_data;
6344
6345 return NT_STATUS_OK;
6346 }
6347
6348 /**********************************************************************
6349 Initialise the 'compat' mode for pdb_ldap
6350 *********************************************************************/
6351
6352 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6353 {
6354 NTSTATUS nt_status;
6355 struct ldapsam_privates *ldap_state;
6356 char *uri = talloc_strdup( NULL, location );
6357
6358 trim_char( uri, '\"', '\"' );
6359 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6360 if ( uri )
6361 TALLOC_FREE( uri );
6362
6363 if ( !NT_STATUS_IS_OK(nt_status) ) {
6364 return nt_status;
6365 }
6366
6367 (*pdb_method)->name = "ldapsam_compat";
6368
6369 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6370 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6371
6372 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6373
6374 return NT_STATUS_OK;
6375 }
6376
6377 /**********************************************************************
6378 Initialise the normal mode for pdb_ldap
6379 *********************************************************************/
6380
6381 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6382 {
6383 NTSTATUS nt_status;
6384 struct ldapsam_privates *ldap_state = NULL;
6385 uint32 alg_rid_base;
6386 char *alg_rid_base_string = NULL;
6387 LDAPMessage *result = NULL;
6388 LDAPMessage *entry = NULL;
6389 DOM_SID ldap_domain_sid;
6390 DOM_SID secrets_domain_sid;
6391 char *domain_sid_string = NULL;
6392 char *dn = NULL;
6393 char *uri = talloc_strdup( NULL, location );
6394
6395 trim_char( uri, '\"', '\"' );
6396 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6397 if (uri) {
6398 TALLOC_FREE(uri);
6399 }
6400
6401 if (!NT_STATUS_IS_OK(nt_status)) {
6402 return nt_status;
6403 }
6404
6405 (*pdb_method)->name = "ldapsam";
6406
6407 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6408 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6409 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6410 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6411 (*pdb_method)->search_users = ldapsam_search_users;
6412 (*pdb_method)->search_groups = ldapsam_search_groups;
6413 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6414
6415 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6416 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6417 (*pdb_method)->enum_group_memberships =
6418 ldapsam_enum_group_memberships;
6419 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6420 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6421 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6422
6423 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6424 (*pdb_method)->create_user = ldapsam_create_user;
6425 (*pdb_method)->delete_user = ldapsam_delete_user;
6426 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6427 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6428 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6429 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6430 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6431 }
6432 }
6433
6434 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6435 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6436
6437 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6438
6439 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6440 &result,
6441 ldap_state->domain_name, True);
6442
6443 if ( !NT_STATUS_IS_OK(nt_status) ) {
6444 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6445 "info, nor add one to the domain\n"));
6446 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6447 "will be unable to allocate new users/groups, "
6448 "and will risk BDCs having inconsistant SIDs\n"));
6449 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6450 return NT_STATUS_OK;
6451 }
6452
6453 /* Given that the above might fail, everything below this must be
6454 * optional */
6455
6456 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6457 result);
6458 if (!entry) {
6459 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6460 "entry\n"));
6461 ldap_msgfree(result);
6462 return NT_STATUS_UNSUCCESSFUL;
6463 }
6464
6465 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6466 if (!dn) {
6467 ldap_msgfree(result);
6468 return NT_STATUS_UNSUCCESSFUL;
6469 }
6470
6471 ldap_state->domain_dn = smb_xstrdup(dn);
6472 TALLOC_FREE(dn);
6473
6474 domain_sid_string = smbldap_talloc_single_attribute(
6475 ldap_state->smbldap_state->ldap_struct,
6476 entry,
6477 get_userattr_key2string(ldap_state->schema_ver,
6478 LDAP_ATTR_USER_SID),
6479 talloc_tos());
6480
6481 if (domain_sid_string) {
6482 bool found_sid;
6483 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6484 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6485 "read as a valid SID\n", domain_sid_string));
6486 ldap_msgfree(result);
6487 TALLOC_FREE(domain_sid_string);
6488 return NT_STATUS_INVALID_PARAMETER;
6489 }
6490 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6491 &secrets_domain_sid);
6492 if (!found_sid || !sid_equal(&secrets_domain_sid,
6493 &ldap_domain_sid)) {
6494 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6495 "%s based on pdb_ldap results %s -> %s\n",
6496 ldap_state->domain_name,
6497 sid_string_dbg(&secrets_domain_sid),
6498 sid_string_dbg(&ldap_domain_sid)));
6499
6500 /* reset secrets.tdb sid */
6501 secrets_store_domain_sid(ldap_state->domain_name,
6502 &ldap_domain_sid);
6503 DEBUG(1, ("New global sam SID: %s\n",
6504 sid_string_dbg(get_global_sam_sid())));
6505 }
6506 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6507 TALLOC_FREE(domain_sid_string);
6508 }
6509
6510 alg_rid_base_string = smbldap_talloc_single_attribute(
6511 ldap_state->smbldap_state->ldap_struct,
6512 entry,
6513 get_attr_key2string( dominfo_attr_list,
6514 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6515 talloc_tos());
6516 if (alg_rid_base_string) {
6517 alg_rid_base = (uint32)atol(alg_rid_base_string);
6518 if (alg_rid_base != algorithmic_rid_base()) {
6519 DEBUG(0, ("The value of 'algorithmic RID base' has "
6520 "changed since the LDAP\n"
6521 "database was initialised. Aborting. \n"));
6522 ldap_msgfree(result);
6523 TALLOC_FREE(alg_rid_base_string);
6524 return NT_STATUS_UNSUCCESSFUL;
6525 }
6526 TALLOC_FREE(alg_rid_base_string);
6527 }
6528 ldap_msgfree(result);
6529
6530 return NT_STATUS_OK;
6531 }
6532
6533 NTSTATUS pdb_ldap_init(void)
6534 {
6535 NTSTATUS nt_status;
6536 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6537 return nt_status;
6538
6539 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6540 return nt_status;
6541
6542 /* Let pdb_nds register backends */
6543 pdb_nds_init();
6544
6545 return NT_STATUS_OK;
6546 }
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