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s3: Make login_cache_read take a pointer, avoid a malloc
[Samba/nascimento.git] / source3 / passdb / pdb_ldap.c
blobb3eb37501c04a99197206e318e93a332bce24c2e
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 struct login_cache cache_entry;
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_first_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 (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
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 pwhist = TALLOC_ARRAY(ctx, uint8,
919 pwHistLen * PW_HISTORY_ENTRY_LEN);
920 if (pwhist == 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 struct passwd unix_pw;
1033 bool have_uid = false;
1034 bool have_gid = false;
1035 DOM_SID mapped_gsid;
1036 const DOM_SID *primary_gsid;
1037
1038 ZERO_STRUCT(unix_pw);
1039
1040 unix_pw.pw_name = username;
1041 unix_pw.pw_passwd = discard_const_p(char, "x");
1042
1043 temp = smbldap_talloc_single_attribute(
1044 priv2ld(ldap_state),
1045 entry,
1046 "uidNumber",
1047 ctx);
1048 if (temp) {
1049 /* We've got a uid, feed the cache */
1050 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1051 have_uid = true;
1052 }
1053 temp = smbldap_talloc_single_attribute(
1054 priv2ld(ldap_state),
1055 entry,
1056 "gidNumber",
1057 ctx);
1058 if (temp) {
1059 /* We've got a uid, feed the cache */
1060 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1061 have_gid = true;
1062 }
1063 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1064 priv2ld(ldap_state),
1065 entry,
1066 "gecos",
1067 ctx);
1068 if (unix_pw.pw_gecos) {
1069 unix_pw.pw_gecos = fullname;
1070 }
1071 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1072 priv2ld(ldap_state),
1073 entry,
1074 "homeDirectory",
1075 ctx);
1076 if (unix_pw.pw_dir) {
1077 unix_pw.pw_dir = discard_const_p(char, "");
1078 }
1079 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1080 priv2ld(ldap_state),
1081 entry,
1082 "loginShell",
1083 ctx);
1084 if (unix_pw.pw_shell) {
1085 unix_pw.pw_shell = discard_const_p(char, "");
1086 }
1087
1088 if (have_uid && have_gid) {
1089 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1090 } else {
1091 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1092 }
1093
1094 if (sampass->unix_pw == NULL) {
1095 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1096 pdb_get_username(sampass)));
1097 goto fn_exit;
1098 }
1099
1100 store_uid_sid_cache(pdb_get_user_sid(sampass),
1101 sampass->unix_pw->pw_uid);
1102 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1103 sampass->unix_pw->pw_uid);
1104
1105 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1106 primary_gsid = pdb_get_group_sid(sampass);
1107 if (primary_gsid && sid_equal(primary_gsid, &mapped_gsid)) {
1108 store_gid_sid_cache(primary_gsid,
1109 sampass->unix_pw->pw_gid);
1110 idmap_cache_set_sid2uid(primary_gsid,
1111 sampass->unix_pw->pw_gid);
1112 }
1113 }
1114
1115 /* check the timestamp of the cache vs ldap entry */
1116 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1117 entry))) {
1118 ret = true;
1119 goto fn_exit;
1120 }
1121
1122 /* see if we have newer updates */
1123 if (!login_cache_read(sampass, &cache_entry)) {
1124 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1125 (unsigned int)pdb_get_bad_password_count(sampass),
1126 (unsigned int)pdb_get_bad_password_time(sampass)));
1127 ret = true;
1128 goto fn_exit;
1129 }
1130
1131 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1132 (unsigned int)ldap_entry_time,
1133 (unsigned int)cache_entry.entry_timestamp,
1134 (unsigned int)cache_entry.bad_password_time));
1135
1136 if (ldap_entry_time > cache_entry.entry_timestamp) {
1137 /* cache is older than directory , so
1138 we need to delete the entry but allow the
1139 fields to be written out */
1140 login_cache_delentry(sampass);
1141 } else {
1142 /* read cache in */
1143 pdb_set_acct_ctrl(sampass,
1144 pdb_get_acct_ctrl(sampass) |
1145 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1146 PDB_SET);
1147 pdb_set_bad_password_count(sampass,
1148 cache_entry.bad_password_count,
1149 PDB_SET);
1150 pdb_set_bad_password_time(sampass,
1151 cache_entry.bad_password_time,
1152 PDB_SET);
1153 }
1154
1155 ret = true;
1156
1157 fn_exit:
1158
1159 TALLOC_FREE(ctx);
1160 return ret;
1161 }
1162
1163 /**********************************************************************
1164 Initialize the ldap db from a struct samu. Called on update.
1165 (Based on init_buffer_from_sam in pdb_tdb.c)
1166 *********************************************************************/
1167
1168 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1169 LDAPMessage *existing,
1170 LDAPMod *** mods, struct samu * sampass,
1171 bool (*need_update)(const struct samu *,
1172 enum pdb_elements))
1173 {
1174 char *temp = NULL;
1175 uint32 rid;
1176
1177 if (mods == NULL || sampass == NULL) {
1178 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1179 return False;
1180 }
1181
1182 *mods = NULL;
1183
1184 /*
1185 * took out adding "objectclass: sambaAccount"
1186 * do this on a per-mod basis
1187 */
1188 if (need_update(sampass, PDB_USERNAME)) {
1189 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1190 "uid", pdb_get_username(sampass));
1191 if (ldap_state->is_nds_ldap) {
1192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1193 "cn", pdb_get_username(sampass));
1194 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1195 "sn", pdb_get_username(sampass));
1196 }
1197 }
1198
1199 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1200
1201 /* only update the RID if we actually need to */
1202 if (need_update(sampass, PDB_USERSID)) {
1203 fstring sid_string;
1204 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
1205
1206 switch ( ldap_state->schema_ver ) {
1207 case SCHEMAVER_SAMBAACCOUNT:
1208 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1209 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1210 sid_string_dbg(user_sid),
1211 sid_string_dbg(
1212 &ldap_state->domain_sid)));
1213 return False;
1214 }
1215 if (asprintf(&temp, "%i", rid) < 0) {
1216 return false;
1217 }
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1220 temp);
1221 SAFE_FREE(temp);
1222 break;
1223
1224 case SCHEMAVER_SAMBASAMACCOUNT:
1225 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1226 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1227 sid_to_fstring(sid_string, user_sid));
1228 break;
1229
1230 default:
1231 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1232 break;
1233 }
1234 }
1235
1236 /* we don't need to store the primary group RID - so leaving it
1237 'free' to hang off the unix primary group makes life easier */
1238
1239 if (need_update(sampass, PDB_GROUPSID)) {
1240 fstring sid_string;
1241 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1242
1243 switch ( ldap_state->schema_ver ) {
1244 case SCHEMAVER_SAMBAACCOUNT:
1245 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1246 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1247 sid_string_dbg(group_sid),
1248 sid_string_dbg(
1249 &ldap_state->domain_sid)));
1250 return False;
1251 }
1252
1253 if (asprintf(&temp, "%i", rid) < 0) {
1254 return false;
1255 }
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver,
1258 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1259 SAFE_FREE(temp);
1260 break;
1261
1262 case SCHEMAVER_SAMBASAMACCOUNT:
1263 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1264 get_userattr_key2string(ldap_state->schema_ver,
1265 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1266 break;
1267
1268 default:
1269 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1270 break;
1271 }
1272
1273 }
1274
1275 /* displayName, cn, and gecos should all be the same
1276 * most easily accomplished by giving them the same OID
1277 * gecos isn't set here b/c it should be handled by the
1278 * add-user script
1279 * We change displayName only and fall back to cn if
1280 * it does not exist.
1281 */
1282
1283 if (need_update(sampass, PDB_FULLNAME))
1284 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1285 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1286 pdb_get_fullname(sampass));
1287
1288 if (need_update(sampass, PDB_ACCTDESC))
1289 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1290 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1291 pdb_get_acct_desc(sampass));
1292
1293 if (need_update(sampass, PDB_WORKSTATIONS))
1294 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1295 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1296 pdb_get_workstations(sampass));
1297
1298 if (need_update(sampass, PDB_MUNGEDDIAL))
1299 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1300 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1301 pdb_get_munged_dial(sampass));
1302
1303 if (need_update(sampass, PDB_SMBHOME))
1304 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1305 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1306 pdb_get_homedir(sampass));
1307
1308 if (need_update(sampass, PDB_DRIVE))
1309 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1310 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1311 pdb_get_dir_drive(sampass));
1312
1313 if (need_update(sampass, PDB_LOGONSCRIPT))
1314 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1315 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1316 pdb_get_logon_script(sampass));
1317
1318 if (need_update(sampass, PDB_PROFILE))
1319 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1320 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1321 pdb_get_profile_path(sampass));
1322
1323 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1324 return false;
1325 }
1326 if (need_update(sampass, PDB_LOGONTIME))
1327 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1328 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1329 SAFE_FREE(temp);
1330
1331 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1332 return false;
1333 }
1334 if (need_update(sampass, PDB_LOGOFFTIME))
1335 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1336 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1337 SAFE_FREE(temp);
1338
1339 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1340 return false;
1341 }
1342 if (need_update(sampass, PDB_KICKOFFTIME))
1343 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1344 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1345 SAFE_FREE(temp);
1346
1347 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1348 return false;
1349 }
1350 if (need_update(sampass, PDB_CANCHANGETIME))
1351 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1352 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1353 SAFE_FREE(temp);
1354
1355 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1356 return false;
1357 }
1358 if (need_update(sampass, PDB_MUSTCHANGETIME))
1359 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1360 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1361 SAFE_FREE(temp);
1362
1363 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1364 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1365
1366 if (need_update(sampass, PDB_LMPASSWD)) {
1367 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1368 if (lm_pw) {
1369 char pwstr[34];
1370 pdb_sethexpwd(pwstr, lm_pw,
1371 pdb_get_acct_ctrl(sampass));
1372 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1373 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1374 pwstr);
1375 } else {
1376 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1377 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1378 NULL);
1379 }
1380 }
1381 if (need_update(sampass, PDB_NTPASSWD)) {
1382 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1383 if (nt_pw) {
1384 char pwstr[34];
1385 pdb_sethexpwd(pwstr, nt_pw,
1386 pdb_get_acct_ctrl(sampass));
1387 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1388 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1389 pwstr);
1390 } else {
1391 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1392 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1393 NULL);
1394 }
1395 }
1396
1397 if (need_update(sampass, PDB_PWHISTORY)) {
1398 char *pwstr = NULL;
1399 uint32 pwHistLen = 0;
1400 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1401
1402 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1403 if (!pwstr) {
1404 return false;
1405 }
1406 if (pwHistLen == 0) {
1407 /* Remove any password history from the LDAP store. */
1408 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1409 pwstr[64] = '\0';
1410 } else {
1411 int i;
1412 uint32 currHistLen = 0;
1413 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1414 if (pwhist != NULL) {
1415 /* We can only store (1024-1/64 password history entries. */
1416 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1417 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1418 /* Store the salt. */
1419 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1420 /* Followed by the md5 hash of salt + md4 hash */
1421 pdb_sethexpwd(&pwstr[(i*64)+32],
1422 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1423 DEBUG(100, ("pwstr=%s\n", pwstr));
1424 }
1425 }
1426 }
1427 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1428 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1429 pwstr);
1430 SAFE_FREE(pwstr);
1431 }
1432
1433 if (need_update(sampass, PDB_PASSLASTSET)) {
1434 if (asprintf(&temp, "%li",
1435 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1436 return false;
1437 }
1438 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1439 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1440 temp);
1441 SAFE_FREE(temp);
1442 }
1443 }
1444
1445 if (need_update(sampass, PDB_HOURS)) {
1446 const uint8 *hours = pdb_get_hours(sampass);
1447 if (hours) {
1448 char hourstr[44];
1449 pdb_sethexhours(hourstr, hours);
1450 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1451 existing,
1452 mods,
1453 get_userattr_key2string(ldap_state->schema_ver,
1454 LDAP_ATTR_LOGON_HOURS),
1455 hourstr);
1456 }
1457 }
1458
1459 if (need_update(sampass, PDB_ACCTCTRL))
1460 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1461 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1462 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1463
1464 /* password lockout cache:
1465 - If we are now autolocking or clearing, we write to ldap
1466 - If we are clearing, we delete the cache entry
1467 - If the count is > 0, we update the cache
1468
1469 This even means when autolocking, we cache, just in case the
1470 update doesn't work, and we have to cache the autolock flag */
1471
1472 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1473 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1474 uint16 badcount = pdb_get_bad_password_count(sampass);
1475 time_t badtime = pdb_get_bad_password_time(sampass);
1476 uint32 pol;
1477 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1478
1479 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1480 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1481
1482 if ((badcount >= pol) || (badcount == 0)) {
1483 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1484 (unsigned int)badcount, (unsigned int)badtime));
1485 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1486 return false;
1487 }
1488 smbldap_make_mod(
1489 ldap_state->smbldap_state->ldap_struct,
1490 existing, mods,
1491 get_userattr_key2string(
1492 ldap_state->schema_ver,
1493 LDAP_ATTR_BAD_PASSWORD_COUNT),
1494 temp);
1495 SAFE_FREE(temp);
1496
1497 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1498 return false;
1499 }
1500 smbldap_make_mod(
1501 ldap_state->smbldap_state->ldap_struct,
1502 existing, mods,
1503 get_userattr_key2string(
1504 ldap_state->schema_ver,
1505 LDAP_ATTR_BAD_PASSWORD_TIME),
1506 temp);
1507 SAFE_FREE(temp);
1508 }
1509 if (badcount == 0) {
1510 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1511 login_cache_delentry(sampass);
1512 } else {
1513 struct login_cache cache_entry;
1514
1515 cache_entry.entry_timestamp = time(NULL);
1516 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1517 cache_entry.bad_password_count = badcount;
1518 cache_entry.bad_password_time = badtime;
1519
1520 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1521 login_cache_write(sampass, cache_entry);
1522 }
1523 }
1524
1525 return True;
1526 }
1527
1528 /**********************************************************************
1529 End enumeration of the LDAP password list.
1530 *********************************************************************/
1531
1532 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1533 {
1534 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1535 if (ldap_state->result) {
1536 ldap_msgfree(ldap_state->result);
1537 ldap_state->result = NULL;
1538 }
1539 }
1540
1541 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1542 const char *new_attr)
1543 {
1544 int i;
1545
1546 if (new_attr == NULL) {
1547 return;
1548 }
1549
1550 for (i=0; (*attr_list)[i] != NULL; i++) {
1551 ;
1552 }
1553
1554 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1555 const char *, i+2);
1556 SMB_ASSERT((*attr_list) != NULL);
1557 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1558 (*attr_list)[i+1] = NULL;
1559 }
1560
1561 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1562 const char ***attr_list)
1563 {
1564 append_attr(mem_ctx, attr_list, "uidNumber");
1565 append_attr(mem_ctx, attr_list, "gidNumber");
1566 append_attr(mem_ctx, attr_list, "homeDirectory");
1567 append_attr(mem_ctx, attr_list, "loginShell");
1568 append_attr(mem_ctx, attr_list, "gecos");
1569 }
1570
1571 /**********************************************************************
1572 Get struct samu entry from LDAP by username.
1573 *********************************************************************/
1574
1575 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1576 {
1577 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1578 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1579 LDAPMessage *result = NULL;
1580 LDAPMessage *entry = NULL;
1581 int count;
1582 const char ** attr_list;
1583 int rc;
1584
1585 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1586 append_attr(user, &attr_list,
1587 get_userattr_key2string(ldap_state->schema_ver,
1588 LDAP_ATTR_MOD_TIMESTAMP));
1589 ldapsam_add_unix_attributes(user, &attr_list);
1590 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1591 attr_list);
1592 TALLOC_FREE( attr_list );
1593
1594 if ( rc != LDAP_SUCCESS )
1595 return NT_STATUS_NO_SUCH_USER;
1596
1597 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1598
1599 if (count < 1) {
1600 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1601 ldap_msgfree(result);
1602 return NT_STATUS_NO_SUCH_USER;
1603 } else if (count > 1) {
1604 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1605 ldap_msgfree(result);
1606 return NT_STATUS_NO_SUCH_USER;
1607 }
1608
1609 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1610 if (entry) {
1611 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1612 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1613 ldap_msgfree(result);
1614 return NT_STATUS_NO_SUCH_USER;
1615 }
1616 pdb_set_backend_private_data(user, result, NULL,
1617 my_methods, PDB_CHANGED);
1618 talloc_autofree_ldapmsg(user, result);
1619 ret = NT_STATUS_OK;
1620 } else {
1621 ldap_msgfree(result);
1622 }
1623 return ret;
1624 }
1625
1626 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1627 const DOM_SID *sid, LDAPMessage **result)
1628 {
1629 int rc = -1;
1630 const char ** attr_list;
1631 uint32 rid;
1632
1633 switch ( ldap_state->schema_ver ) {
1634 case SCHEMAVER_SAMBASAMACCOUNT: {
1635 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1636 if (tmp_ctx == NULL) {
1637 return LDAP_NO_MEMORY;
1638 }
1639
1640 attr_list = get_userattr_list(tmp_ctx,
1641 ldap_state->schema_ver);
1642 append_attr(tmp_ctx, &attr_list,
1643 get_userattr_key2string(
1644 ldap_state->schema_ver,
1645 LDAP_ATTR_MOD_TIMESTAMP));
1646 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1647 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1648 result, attr_list);
1649 TALLOC_FREE(tmp_ctx);
1650
1651 if ( rc != LDAP_SUCCESS )
1652 return rc;
1653 break;
1654 }
1655
1656 case SCHEMAVER_SAMBAACCOUNT:
1657 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1658 return rc;
1659 }
1660
1661 attr_list = get_userattr_list(NULL,
1662 ldap_state->schema_ver);
1663 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1664 TALLOC_FREE( attr_list );
1665
1666 if ( rc != LDAP_SUCCESS )
1667 return rc;
1668 break;
1669 }
1670 return rc;
1671 }
1672
1673 /**********************************************************************
1674 Get struct samu entry from LDAP by SID.
1675 *********************************************************************/
1676
1677 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1678 {
1679 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1680 LDAPMessage *result = NULL;
1681 LDAPMessage *entry = NULL;
1682 int count;
1683 int rc;
1684
1685 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1686 sid, &result);
1687 if (rc != LDAP_SUCCESS)
1688 return NT_STATUS_NO_SUCH_USER;
1689
1690 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1691
1692 if (count < 1) {
1693 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1694 "count=%d\n", sid_string_dbg(sid), count));
1695 ldap_msgfree(result);
1696 return NT_STATUS_NO_SUCH_USER;
1697 } else if (count > 1) {
1698 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1699 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1700 count));
1701 ldap_msgfree(result);
1702 return NT_STATUS_NO_SUCH_USER;
1703 }
1704
1705 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1706 if (!entry) {
1707 ldap_msgfree(result);
1708 return NT_STATUS_NO_SUCH_USER;
1709 }
1710
1711 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1712 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1713 ldap_msgfree(result);
1714 return NT_STATUS_NO_SUCH_USER;
1715 }
1716
1717 pdb_set_backend_private_data(user, result, NULL,
1718 my_methods, PDB_CHANGED);
1719 talloc_autofree_ldapmsg(user, result);
1720 return NT_STATUS_OK;
1721 }
1722
1723 /********************************************************************
1724 Do the actual modification - also change a plaintext passord if
1725 it it set.
1726 **********************************************************************/
1727
1728 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1729 struct samu *newpwd, char *dn,
1730 LDAPMod **mods, int ldap_op,
1731 bool (*need_update)(const struct samu *, enum pdb_elements))
1732 {
1733 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1734 int rc;
1735
1736 if (!newpwd || !dn) {
1737 return NT_STATUS_INVALID_PARAMETER;
1738 }
1739
1740 if (!mods) {
1741 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1742 /* may be password change below however */
1743 } else {
1744 switch(ldap_op) {
1745 case LDAP_MOD_ADD:
1746 if (ldap_state->is_nds_ldap) {
1747 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1748 "objectclass",
1749 "inetOrgPerson");
1750 } else {
1751 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1752 "objectclass",
1753 LDAP_OBJ_ACCOUNT);
1754 }
1755 rc = smbldap_add(ldap_state->smbldap_state,
1756 dn, mods);
1757 break;
1758 case LDAP_MOD_REPLACE:
1759 rc = smbldap_modify(ldap_state->smbldap_state,
1760 dn ,mods);
1761 break;
1762 default:
1763 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1764 ldap_op));
1765 return NT_STATUS_INVALID_PARAMETER;
1766 }
1767
1768 if (rc!=LDAP_SUCCESS) {
1769 return NT_STATUS_UNSUCCESSFUL;
1770 }
1771 }
1772
1773 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1774 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1775 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1776 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1777 BerElement *ber;
1778 struct berval *bv;
1779 char *retoid = NULL;
1780 struct berval *retdata = NULL;
1781 char *utf8_password;
1782 char *utf8_dn;
1783 size_t converted_size;
1784 int ret;
1785
1786 if (!ldap_state->is_nds_ldap) {
1787
1788 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1789 LDAP_EXOP_MODIFY_PASSWD)) {
1790 DEBUG(2, ("ldap password change requested, but LDAP "
1791 "server does not support it -- ignoring\n"));
1792 return NT_STATUS_OK;
1793 }
1794 }
1795
1796 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1797 pdb_get_plaintext_passwd(newpwd),
1798 &converted_size))
1799 {
1800 return NT_STATUS_NO_MEMORY;
1801 }
1802
1803 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1804 TALLOC_FREE(utf8_password);
1805 return NT_STATUS_NO_MEMORY;
1806 }
1807
1808 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1809 DEBUG(0,("ber_alloc_t returns NULL\n"));
1810 TALLOC_FREE(utf8_password);
1811 TALLOC_FREE(utf8_dn);
1812 return NT_STATUS_UNSUCCESSFUL;
1813 }
1814
1815 if ((ber_printf (ber, "{") < 0) ||
1816 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1817 utf8_dn) < 0)) {
1818 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1819 "value <0\n"));
1820 ber_free(ber,1);
1821 TALLOC_FREE(utf8_dn);
1822 TALLOC_FREE(utf8_password);
1823 return NT_STATUS_UNSUCCESSFUL;
1824 }
1825
1826 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1827 ret = ber_printf(ber, "ts}",
1828 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1829 utf8_password);
1830 } else {
1831 ret = ber_printf(ber, "}");
1832 }
1833
1834 if (ret < 0) {
1835 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1836 "value <0\n"));
1837 ber_free(ber,1);
1838 TALLOC_FREE(utf8_dn);
1839 TALLOC_FREE(utf8_password);
1840 return NT_STATUS_UNSUCCESSFUL;
1841 }
1842
1843 if ((rc = ber_flatten (ber, &bv))<0) {
1844 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1845 ber_free(ber,1);
1846 TALLOC_FREE(utf8_dn);
1847 TALLOC_FREE(utf8_password);
1848 return NT_STATUS_UNSUCCESSFUL;
1849 }
1850
1851 TALLOC_FREE(utf8_dn);
1852 TALLOC_FREE(utf8_password);
1853 ber_free(ber, 1);
1854
1855 if (!ldap_state->is_nds_ldap) {
1856 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1857 LDAP_EXOP_MODIFY_PASSWD,
1858 bv, NULL, NULL, &retoid,
1859 &retdata);
1860 } else {
1861 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1862 pdb_get_plaintext_passwd(newpwd));
1863 }
1864 if (rc != LDAP_SUCCESS) {
1865 char *ld_error = NULL;
1866
1867 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1868 DEBUG(3, ("Could not set userPassword "
1869 "attribute due to an objectClass "
1870 "violation -- ignoring\n"));
1871 ber_bvfree(bv);
1872 return NT_STATUS_OK;
1873 }
1874
1875 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1876 &ld_error);
1877 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1878 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1879 SAFE_FREE(ld_error);
1880 ber_bvfree(bv);
1881 #if defined(LDAP_CONSTRAINT_VIOLATION)
1882 if (rc == LDAP_CONSTRAINT_VIOLATION)
1883 return NT_STATUS_PASSWORD_RESTRICTION;
1884 #endif
1885 return NT_STATUS_UNSUCCESSFUL;
1886 } else {
1887 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1888 #ifdef DEBUG_PASSWORD
1889 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1890 #endif
1891 if (retdata)
1892 ber_bvfree(retdata);
1893 if (retoid)
1894 ldap_memfree(retoid);
1895 }
1896 ber_bvfree(bv);
1897 }
1898 return NT_STATUS_OK;
1899 }
1900
1901 /**********************************************************************
1902 Delete entry from LDAP for username.
1903 *********************************************************************/
1904
1905 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1906 struct samu * sam_acct)
1907 {
1908 struct ldapsam_privates *priv =
1909 (struct ldapsam_privates *)my_methods->private_data;
1910 const char *sname;
1911 int rc;
1912 LDAPMessage *msg, *entry;
1913 NTSTATUS result = NT_STATUS_NO_MEMORY;
1914 const char **attr_list;
1915 TALLOC_CTX *mem_ctx;
1916
1917 if (!sam_acct) {
1918 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1919 return NT_STATUS_INVALID_PARAMETER;
1920 }
1921
1922 sname = pdb_get_username(sam_acct);
1923
1924 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1925 "LDAP.\n", sname));
1926
1927 mem_ctx = talloc_new(NULL);
1928 if (mem_ctx == NULL) {
1929 DEBUG(0, ("talloc_new failed\n"));
1930 goto done;
1931 }
1932
1933 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1934 if (attr_list == NULL) {
1935 goto done;
1936 }
1937
1938 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1939
1940 if ((rc != LDAP_SUCCESS) ||
1941 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1942 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1943 DEBUG(5, ("Could not find user %s\n", sname));
1944 result = NT_STATUS_NO_SUCH_USER;
1945 goto done;
1946 }
1947
1948 rc = ldapsam_delete_entry(
1949 priv, mem_ctx, entry,
1950 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1951 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1952 attr_list);
1953
1954 result = (rc == LDAP_SUCCESS) ?
1955 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1956
1957 done:
1958 TALLOC_FREE(mem_ctx);
1959 return result;
1960 }
1961
1962 /**********************************************************************
1963 Helper function to determine for update_sam_account whether
1964 we need LDAP modification.
1965 *********************************************************************/
1966
1967 static bool element_is_changed(const struct samu *sampass,
1968 enum pdb_elements element)
1969 {
1970 return IS_SAM_CHANGED(sampass, element);
1971 }
1972
1973 /**********************************************************************
1974 Update struct samu.
1975 *********************************************************************/
1976
1977 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1978 {
1979 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1980 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1981 int rc = 0;
1982 char *dn;
1983 LDAPMessage *result = NULL;
1984 LDAPMessage *entry = NULL;
1985 LDAPMod **mods = NULL;
1986 const char **attr_list;
1987
1988 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1989 if (!result) {
1990 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1991 if (pdb_get_username(newpwd) == NULL) {
1992 return NT_STATUS_INVALID_PARAMETER;
1993 }
1994 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1995 TALLOC_FREE( attr_list );
1996 if (rc != LDAP_SUCCESS) {
1997 return NT_STATUS_UNSUCCESSFUL;
1998 }
1999 pdb_set_backend_private_data(newpwd, result, NULL,
2000 my_methods, PDB_CHANGED);
2001 talloc_autofree_ldapmsg(newpwd, result);
2002 }
2003
2004 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2005 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2006 return NT_STATUS_UNSUCCESSFUL;
2007 }
2008
2009 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2010 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2011 if (!dn) {
2012 return NT_STATUS_UNSUCCESSFUL;
2013 }
2014
2015 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2016
2017 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2018 element_is_changed)) {
2019 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2020 TALLOC_FREE(dn);
2021 if (mods != NULL)
2022 ldap_mods_free(mods,True);
2023 return NT_STATUS_UNSUCCESSFUL;
2024 }
2025
2026 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2027 && (mods == NULL)) {
2028 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2029 pdb_get_username(newpwd)));
2030 TALLOC_FREE(dn);
2031 return NT_STATUS_OK;
2032 }
2033
2034 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2035
2036 if (mods != NULL) {
2037 ldap_mods_free(mods,True);
2038 }
2039
2040 TALLOC_FREE(dn);
2041
2042 /*
2043 * We need to set the backend private data to NULL here. For example
2044 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2045 * same one, and with the explicit delete / add logic for attribute
2046 * values the second time we would use the wrong "old" value which
2047 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2048 * the update.
2049 * The existing LDAPMessage is still being auto-freed by the
2050 * destructor.
2051 */
2052 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2053 PDB_CHANGED);
2054
2055 if (!NT_STATUS_IS_OK(ret)) {
2056 return ret;
2057 }
2058
2059 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2060 pdb_get_username(newpwd)));
2061 return NT_STATUS_OK;
2062 }
2063
2064 /***************************************************************************
2065 Renames a struct samu
2066 - The "rename user script" has full responsibility for changing everything
2067 ***************************************************************************/
2068
2069 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2070 TALLOC_CTX *tmp_ctx,
2071 uint32 group_rid,
2072 uint32 member_rid);
2073
2074 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2075 TALLOC_CTX *mem_ctx,
2076 struct samu *user,
2077 DOM_SID **pp_sids,
2078 gid_t **pp_gids,
2079 size_t *p_num_groups);
2080
2081 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2082 struct samu *old_acct,
2083 const char *newname)
2084 {
2085 const char *oldname;
2086 int rc;
2087 char *rename_script = NULL;
2088 fstring oldname_lower, newname_lower;
2089
2090 if (!old_acct) {
2091 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2092 return NT_STATUS_INVALID_PARAMETER;
2093 }
2094 if (!newname) {
2095 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2096 return NT_STATUS_INVALID_PARAMETER;
2097 }
2098
2099 oldname = pdb_get_username(old_acct);
2100
2101 /* rename the posix user */
2102 rename_script = SMB_STRDUP(lp_renameuser_script());
2103 if (rename_script == NULL) {
2104 return NT_STATUS_NO_MEMORY;
2105 }
2106
2107 if (!(*rename_script)) {
2108 SAFE_FREE(rename_script);
2109 return NT_STATUS_ACCESS_DENIED;
2110 }
2111
2112 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2113 oldname, newname));
2114
2115 /* We have to allow the account name to end with a '$'.
2116 Also, follow the semantics in _samr_create_user() and lower case the
2117 posix name but preserve the case in passdb */
2118
2119 fstrcpy( oldname_lower, oldname );
2120 strlower_m( oldname_lower );
2121 fstrcpy( newname_lower, newname );
2122 strlower_m( newname_lower );
2123 rename_script = realloc_string_sub2(rename_script,
2124 "%unew",
2125 newname_lower,
2126 true,
2127 true);
2128 if (!rename_script) {
2129 return NT_STATUS_NO_MEMORY;
2130 }
2131 rename_script = realloc_string_sub2(rename_script,
2132 "%uold",
2133 oldname_lower,
2134 true,
2135 true);
2136 rc = smbrun(rename_script, NULL);
2137
2138 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2139 rename_script, rc));
2140
2141 SAFE_FREE(rename_script);
2142
2143 if (rc == 0) {
2144 smb_nscd_flush_user_cache();
2145 }
2146
2147 if (rc)
2148 return NT_STATUS_UNSUCCESSFUL;
2149
2150 return NT_STATUS_OK;
2151 }
2152
2153 /**********************************************************************
2154 Helper function to determine for update_sam_account whether
2155 we need LDAP modification.
2156 *********************************************************************/
2157
2158 static bool element_is_set_or_changed(const struct samu *sampass,
2159 enum pdb_elements element)
2160 {
2161 return (IS_SAM_SET(sampass, element) ||
2162 IS_SAM_CHANGED(sampass, element));
2163 }
2164
2165 /**********************************************************************
2166 Add struct samu to LDAP.
2167 *********************************************************************/
2168
2169 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2170 {
2171 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2172 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2173 int rc;
2174 LDAPMessage *result = NULL;
2175 LDAPMessage *entry = NULL;
2176 LDAPMod **mods = NULL;
2177 int ldap_op = LDAP_MOD_REPLACE;
2178 uint32 num_result;
2179 const char **attr_list;
2180 char *escape_user = NULL;
2181 const char *username = pdb_get_username(newpwd);
2182 const DOM_SID *sid = pdb_get_user_sid(newpwd);
2183 char *filter = NULL;
2184 char *dn = NULL;
2185 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2186 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2187
2188 if (!ctx) {
2189 return NT_STATUS_NO_MEMORY;
2190 }
2191
2192 if (!username || !*username) {
2193 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2194 status = NT_STATUS_INVALID_PARAMETER;
2195 goto fn_exit;
2196 }
2197
2198 /* free this list after the second search or in case we exit on failure */
2199 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2200
2201 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2202
2203 if (rc != LDAP_SUCCESS) {
2204 goto fn_exit;
2205 }
2206
2207 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2208 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2209 username));
2210 goto fn_exit;
2211 }
2212 ldap_msgfree(result);
2213 result = NULL;
2214
2215 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2216 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2217 sid, &result);
2218 if (rc == LDAP_SUCCESS) {
2219 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2220 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2221 "already in the base, with samba "
2222 "attributes\n", sid_string_dbg(sid)));
2223 goto fn_exit;
2224 }
2225 ldap_msgfree(result);
2226 result = NULL;
2227 }
2228 }
2229
2230 /* does the entry already exist but without a samba attributes?
2231 we need to return the samba attributes here */
2232
2233 escape_user = escape_ldap_string(talloc_tos(), username);
2234 filter = talloc_strdup(attr_list, "(uid=%u)");
2235 if (!filter) {
2236 status = NT_STATUS_NO_MEMORY;
2237 goto fn_exit;
2238 }
2239 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2240 TALLOC_FREE(escape_user);
2241 if (!filter) {
2242 status = NT_STATUS_NO_MEMORY;
2243 goto fn_exit;
2244 }
2245
2246 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2247 filter, attr_list, &result);
2248 if ( rc != LDAP_SUCCESS ) {
2249 goto fn_exit;
2250 }
2251
2252 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2253
2254 if (num_result > 1) {
2255 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2256 goto fn_exit;
2257 }
2258
2259 /* Check if we need to update an existing entry */
2260 if (num_result == 1) {
2261 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2262 ldap_op = LDAP_MOD_REPLACE;
2263 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2264 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2265 if (!dn) {
2266 status = NT_STATUS_NO_MEMORY;
2267 goto fn_exit;
2268 }
2269
2270 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2271
2272 /* There might be a SID for this account already - say an idmap entry */
2273
2274 filter = talloc_asprintf(ctx,
2275 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2276 get_userattr_key2string(ldap_state->schema_ver,
2277 LDAP_ATTR_USER_SID),
2278 sid_string_talloc(ctx, sid),
2279 LDAP_OBJ_IDMAP_ENTRY,
2280 LDAP_OBJ_SID_ENTRY);
2281 if (!filter) {
2282 status = NT_STATUS_NO_MEMORY;
2283 goto fn_exit;
2284 }
2285
2286 /* free old result before doing a new search */
2287 if (result != NULL) {
2288 ldap_msgfree(result);
2289 result = NULL;
2290 }
2291 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2292 filter, attr_list, &result);
2293
2294 if ( rc != LDAP_SUCCESS ) {
2295 goto fn_exit;
2296 }
2297
2298 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2299
2300 if (num_result > 1) {
2301 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2302 goto fn_exit;
2303 }
2304
2305 /* Check if we need to update an existing entry */
2306 if (num_result == 1) {
2307
2308 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2309 ldap_op = LDAP_MOD_REPLACE;
2310 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2311 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2312 if (!dn) {
2313 status = NT_STATUS_NO_MEMORY;
2314 goto fn_exit;
2315 }
2316 }
2317 }
2318
2319 if (num_result == 0) {
2320 char *escape_username;
2321 /* Check if we need to add an entry */
2322 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2323 ldap_op = LDAP_MOD_ADD;
2324
2325 escape_username = escape_rdn_val_string_alloc(username);
2326 if (!escape_username) {
2327 status = NT_STATUS_NO_MEMORY;
2328 goto fn_exit;
2329 }
2330
2331 if (username[strlen(username)-1] == '$') {
2332 dn = talloc_asprintf(ctx,
2333 "uid=%s,%s",
2334 escape_username,
2335 lp_ldap_machine_suffix());
2336 } else {
2337 dn = talloc_asprintf(ctx,
2338 "uid=%s,%s",
2339 escape_username,
2340 lp_ldap_user_suffix());
2341 }
2342
2343 SAFE_FREE(escape_username);
2344 if (!dn) {
2345 status = NT_STATUS_NO_MEMORY;
2346 goto fn_exit;
2347 }
2348 }
2349
2350 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2351 element_is_set_or_changed)) {
2352 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2353 if (mods != NULL) {
2354 ldap_mods_free(mods, true);
2355 }
2356 goto fn_exit;
2357 }
2358
2359 if (mods == NULL) {
2360 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2361 goto fn_exit;
2362 }
2363 switch ( ldap_state->schema_ver ) {
2364 case SCHEMAVER_SAMBAACCOUNT:
2365 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2366 break;
2367 case SCHEMAVER_SAMBASAMACCOUNT:
2368 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2369 break;
2370 default:
2371 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2372 break;
2373 }
2374
2375 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2376 if (!NT_STATUS_IS_OK(ret)) {
2377 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2378 pdb_get_username(newpwd),dn));
2379 ldap_mods_free(mods, true);
2380 goto fn_exit;
2381 }
2382
2383 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2384 ldap_mods_free(mods, true);
2385
2386 status = NT_STATUS_OK;
2387
2388 fn_exit:
2389
2390 TALLOC_FREE(ctx);
2391 if (result) {
2392 ldap_msgfree(result);
2393 }
2394 return status;
2395 }
2396
2397 /**********************************************************************
2398 *********************************************************************/
2399
2400 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2401 const char *filter,
2402 LDAPMessage ** result)
2403 {
2404 int scope = LDAP_SCOPE_SUBTREE;
2405 int rc;
2406 const char **attr_list;
2407
2408 attr_list = get_attr_list(NULL, groupmap_attr_list);
2409 rc = smbldap_search(ldap_state->smbldap_state,
2410 lp_ldap_suffix (), scope,
2411 filter, attr_list, 0, result);
2412 TALLOC_FREE(attr_list);
2413
2414 return rc;
2415 }
2416
2417 /**********************************************************************
2418 *********************************************************************/
2419
2420 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2421 GROUP_MAP *map, LDAPMessage *entry)
2422 {
2423 char *temp = NULL;
2424 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2425
2426 if (ldap_state == NULL || map == NULL || entry == NULL ||
2427 ldap_state->smbldap_state->ldap_struct == NULL) {
2428 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2429 TALLOC_FREE(ctx);
2430 return false;
2431 }
2432
2433 temp = smbldap_talloc_single_attribute(
2434 ldap_state->smbldap_state->ldap_struct,
2435 entry,
2436 get_attr_key2string(groupmap_attr_list,
2437 LDAP_ATTR_GIDNUMBER),
2438 ctx);
2439 if (!temp) {
2440 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2441 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2442 TALLOC_FREE(ctx);
2443 return false;
2444 }
2445 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2446
2447 map->gid = (gid_t)atol(temp);
2448
2449 TALLOC_FREE(temp);
2450 temp = smbldap_talloc_single_attribute(
2451 ldap_state->smbldap_state->ldap_struct,
2452 entry,
2453 get_attr_key2string(groupmap_attr_list,
2454 LDAP_ATTR_GROUP_SID),
2455 ctx);
2456 if (!temp) {
2457 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2458 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2459 TALLOC_FREE(ctx);
2460 return false;
2461 }
2462
2463 if (!string_to_sid(&map->sid, temp)) {
2464 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2465 TALLOC_FREE(ctx);
2466 return false;
2467 }
2468
2469 TALLOC_FREE(temp);
2470 temp = smbldap_talloc_single_attribute(
2471 ldap_state->smbldap_state->ldap_struct,
2472 entry,
2473 get_attr_key2string(groupmap_attr_list,
2474 LDAP_ATTR_GROUP_TYPE),
2475 ctx);
2476 if (!temp) {
2477 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2478 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2479 TALLOC_FREE(ctx);
2480 return false;
2481 }
2482 map->sid_name_use = (enum lsa_SidType)atol(temp);
2483
2484 if ((map->sid_name_use < SID_NAME_USER) ||
2485 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2486 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2487 TALLOC_FREE(ctx);
2488 return false;
2489 }
2490
2491 TALLOC_FREE(temp);
2492 temp = smbldap_talloc_single_attribute(
2493 ldap_state->smbldap_state->ldap_struct,
2494 entry,
2495 get_attr_key2string(groupmap_attr_list,
2496 LDAP_ATTR_DISPLAY_NAME),
2497 ctx);
2498 if (!temp) {
2499 temp = smbldap_talloc_single_attribute(
2500 ldap_state->smbldap_state->ldap_struct,
2501 entry,
2502 get_attr_key2string(groupmap_attr_list,
2503 LDAP_ATTR_CN),
2504 ctx);
2505 if (!temp) {
2506 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2507 for gidNumber(%lu)\n",(unsigned long)map->gid));
2508 TALLOC_FREE(ctx);
2509 return false;
2510 }
2511 }
2512 fstrcpy(map->nt_name, temp);
2513
2514 TALLOC_FREE(temp);
2515 temp = smbldap_talloc_single_attribute(
2516 ldap_state->smbldap_state->ldap_struct,
2517 entry,
2518 get_attr_key2string(groupmap_attr_list,
2519 LDAP_ATTR_DESC),
2520 ctx);
2521 if (!temp) {
2522 temp = talloc_strdup(ctx, "");
2523 if (!temp) {
2524 TALLOC_FREE(ctx);
2525 return false;
2526 }
2527 }
2528 fstrcpy(map->comment, temp);
2529
2530 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2531 store_gid_sid_cache(&map->sid, map->gid);
2532 idmap_cache_set_sid2gid(&map->sid, map->gid);
2533 }
2534
2535 TALLOC_FREE(ctx);
2536 return true;
2537 }
2538
2539 /**********************************************************************
2540 *********************************************************************/
2541
2542 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2543 const char *filter,
2544 GROUP_MAP *map)
2545 {
2546 struct ldapsam_privates *ldap_state =
2547 (struct ldapsam_privates *)methods->private_data;
2548 LDAPMessage *result = NULL;
2549 LDAPMessage *entry = NULL;
2550 int count;
2551
2552 if (ldapsam_search_one_group(ldap_state, filter, &result)
2553 != LDAP_SUCCESS) {
2554 return NT_STATUS_NO_SUCH_GROUP;
2555 }
2556
2557 count = ldap_count_entries(priv2ld(ldap_state), result);
2558
2559 if (count < 1) {
2560 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2561 "%s\n", filter));
2562 ldap_msgfree(result);
2563 return NT_STATUS_NO_SUCH_GROUP;
2564 }
2565
2566 if (count > 1) {
2567 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2568 "count=%d\n", filter, count));
2569 ldap_msgfree(result);
2570 return NT_STATUS_NO_SUCH_GROUP;
2571 }
2572
2573 entry = ldap_first_entry(priv2ld(ldap_state), result);
2574
2575 if (!entry) {
2576 ldap_msgfree(result);
2577 return NT_STATUS_UNSUCCESSFUL;
2578 }
2579
2580 if (!init_group_from_ldap(ldap_state, map, entry)) {
2581 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2582 "group filter %s\n", filter));
2583 ldap_msgfree(result);
2584 return NT_STATUS_NO_SUCH_GROUP;
2585 }
2586
2587 ldap_msgfree(result);
2588 return NT_STATUS_OK;
2589 }
2590
2591 /**********************************************************************
2592 *********************************************************************/
2593
2594 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2595 DOM_SID sid)
2596 {
2597 char *filter = NULL;
2598 NTSTATUS status;
2599 fstring tmp;
2600
2601 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2602 LDAP_OBJ_GROUPMAP,
2603 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2604 sid_to_fstring(tmp, &sid)) < 0) {
2605 return NT_STATUS_NO_MEMORY;
2606 }
2607
2608 status = ldapsam_getgroup(methods, filter, map);
2609 SAFE_FREE(filter);
2610 return status;
2611 }
2612
2613 /**********************************************************************
2614 *********************************************************************/
2615
2616 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2617 gid_t gid)
2618 {
2619 char *filter = NULL;
2620 NTSTATUS status;
2621
2622 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2623 LDAP_OBJ_GROUPMAP,
2624 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2625 (unsigned long)gid) < 0) {
2626 return NT_STATUS_NO_MEMORY;
2627 }
2628
2629 status = ldapsam_getgroup(methods, filter, map);
2630 SAFE_FREE(filter);
2631 return status;
2632 }
2633
2634 /**********************************************************************
2635 *********************************************************************/
2636
2637 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2638 const char *name)
2639 {
2640 char *filter = NULL;
2641 char *escape_name = escape_ldap_string(talloc_tos(), name);
2642 NTSTATUS status;
2643
2644 if (!escape_name) {
2645 return NT_STATUS_NO_MEMORY;
2646 }
2647
2648 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2649 LDAP_OBJ_GROUPMAP,
2650 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2651 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2652 escape_name) < 0) {
2653 TALLOC_FREE(escape_name);
2654 return NT_STATUS_NO_MEMORY;
2655 }
2656
2657 TALLOC_FREE(escape_name);
2658 status = ldapsam_getgroup(methods, filter, map);
2659 SAFE_FREE(filter);
2660 return status;
2661 }
2662
2663 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2664 LDAPMessage *entry,
2665 const DOM_SID *domain_sid,
2666 uint32 *rid)
2667 {
2668 fstring str;
2669 DOM_SID sid;
2670
2671 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2672 str, sizeof(str)-1)) {
2673 DEBUG(10, ("Could not find sambaSID attribute\n"));
2674 return False;
2675 }
2676
2677 if (!string_to_sid(&sid, str)) {
2678 DEBUG(10, ("Could not convert string %s to sid\n", str));
2679 return False;
2680 }
2681
2682 if (sid_compare_domain(&sid, domain_sid) != 0) {
2683 DEBUG(10, ("SID %s is not in expected domain %s\n",
2684 str, sid_string_dbg(domain_sid)));
2685 return False;
2686 }
2687
2688 if (!sid_peek_rid(&sid, rid)) {
2689 DEBUG(10, ("Could not peek into RID\n"));
2690 return False;
2691 }
2692
2693 return True;
2694 }
2695
2696 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2697 TALLOC_CTX *mem_ctx,
2698 const DOM_SID *group,
2699 uint32 **pp_member_rids,
2700 size_t *p_num_members)
2701 {
2702 struct ldapsam_privates *ldap_state =
2703 (struct ldapsam_privates *)methods->private_data;
2704 struct smbldap_state *conn = ldap_state->smbldap_state;
2705 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2706 const char *sid_attrs[] = { "sambaSID", NULL };
2707 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2708 LDAPMessage *result = NULL;
2709 LDAPMessage *entry;
2710 char *filter;
2711 char **values = NULL;
2712 char **memberuid;
2713 char *gidstr;
2714 int rc, count;
2715
2716 *pp_member_rids = NULL;
2717 *p_num_members = 0;
2718
2719 filter = talloc_asprintf(mem_ctx,
2720 "(&(objectClass=%s)"
2721 "(objectClass=%s)"
2722 "(sambaSID=%s))",
2723 LDAP_OBJ_POSIXGROUP,
2724 LDAP_OBJ_GROUPMAP,
2725 sid_string_talloc(mem_ctx, group));
2726 if (filter == NULL) {
2727 ret = NT_STATUS_NO_MEMORY;
2728 goto done;
2729 }
2730
2731 rc = smbldap_search(conn, lp_ldap_suffix(),
2732 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2733 &result);
2734
2735 if (rc != LDAP_SUCCESS)
2736 goto done;
2737
2738 talloc_autofree_ldapmsg(mem_ctx, result);
2739
2740 count = ldap_count_entries(conn->ldap_struct, result);
2741
2742 if (count > 1) {
2743 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2744 sid_string_dbg(group)));
2745 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2746 goto done;
2747 }
2748
2749 if (count == 0) {
2750 ret = NT_STATUS_NO_SUCH_GROUP;
2751 goto done;
2752 }
2753
2754 entry = ldap_first_entry(conn->ldap_struct, result);
2755 if (entry == NULL)
2756 goto done;
2757
2758 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2759 if (!gidstr) {
2760 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2761 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2762 goto done;
2763 }
2764
2765 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2766
2767 if ((values != NULL) && (values[0] != NULL)) {
2768
2769 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2770 if (filter == NULL) {
2771 ret = NT_STATUS_NO_MEMORY;
2772 goto done;
2773 }
2774
2775 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2776 char *escape_memberuid;
2777
2778 escape_memberuid = escape_ldap_string(talloc_tos(),
2779 *memberuid);
2780 if (escape_memberuid == NULL) {
2781 ret = NT_STATUS_NO_MEMORY;
2782 goto done;
2783 }
2784
2785 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2786 TALLOC_FREE(escape_memberuid);
2787 if (filter == NULL) {
2788 ret = NT_STATUS_NO_MEMORY;
2789 goto done;
2790 }
2791 }
2792
2793 filter = talloc_asprintf_append_buffer(filter, "))");
2794 if (filter == NULL) {
2795 ret = NT_STATUS_NO_MEMORY;
2796 goto done;
2797 }
2798
2799 rc = smbldap_search(conn, lp_ldap_suffix(),
2800 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2801 &result);
2802
2803 if (rc != LDAP_SUCCESS)
2804 goto done;
2805
2806 count = ldap_count_entries(conn->ldap_struct, result);
2807 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2808
2809 talloc_autofree_ldapmsg(mem_ctx, result);
2810
2811 for (entry = ldap_first_entry(conn->ldap_struct, result);
2812 entry != NULL;
2813 entry = ldap_next_entry(conn->ldap_struct, entry))
2814 {
2815 char *sidstr;
2816 DOM_SID sid;
2817 uint32 rid;
2818
2819 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2820 entry, "sambaSID",
2821 mem_ctx);
2822 if (!sidstr) {
2823 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2824 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2825 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2826 goto done;
2827 }
2828
2829 if (!string_to_sid(&sid, sidstr))
2830 goto done;
2831
2832 if (!sid_check_is_in_our_domain(&sid)) {
2833 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2834 "in our domain\n"));
2835 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2836 goto done;
2837 }
2838
2839 sid_peek_rid(&sid, &rid);
2840
2841 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2842 p_num_members)) {
2843 ret = NT_STATUS_NO_MEMORY;
2844 goto done;
2845 }
2846 }
2847 }
2848
2849 filter = talloc_asprintf(mem_ctx,
2850 "(&(objectClass=%s)"
2851 "(gidNumber=%s))",
2852 LDAP_OBJ_SAMBASAMACCOUNT,
2853 gidstr);
2854
2855 rc = smbldap_search(conn, lp_ldap_suffix(),
2856 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2857 &result);
2858
2859 if (rc != LDAP_SUCCESS)
2860 goto done;
2861
2862 talloc_autofree_ldapmsg(mem_ctx, result);
2863
2864 for (entry = ldap_first_entry(conn->ldap_struct, result);
2865 entry != NULL;
2866 entry = ldap_next_entry(conn->ldap_struct, entry))
2867 {
2868 uint32 rid;
2869
2870 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2871 entry,
2872 get_global_sam_sid(),
2873 &rid)) {
2874 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2875 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2876 goto done;
2877 }
2878
2879 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2880 p_num_members)) {
2881 ret = NT_STATUS_NO_MEMORY;
2882 goto done;
2883 }
2884 }
2885
2886 ret = NT_STATUS_OK;
2887
2888 done:
2889
2890 if (values)
2891 ldap_value_free(values);
2892
2893 return ret;
2894 }
2895
2896 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2897 TALLOC_CTX *mem_ctx,
2898 struct samu *user,
2899 DOM_SID **pp_sids,
2900 gid_t **pp_gids,
2901 size_t *p_num_groups)
2902 {
2903 struct ldapsam_privates *ldap_state =
2904 (struct ldapsam_privates *)methods->private_data;
2905 struct smbldap_state *conn = ldap_state->smbldap_state;
2906 char *filter;
2907 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2908 char *escape_name;
2909 int rc, count;
2910 LDAPMessage *result = NULL;
2911 LDAPMessage *entry;
2912 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2913 size_t num_sids, num_gids;
2914 char *gidstr;
2915 gid_t primary_gid = -1;
2916
2917 *pp_sids = NULL;
2918 num_sids = 0;
2919
2920 if (pdb_get_username(user) == NULL) {
2921 return NT_STATUS_INVALID_PARAMETER;
2922 }
2923
2924 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2925 if (escape_name == NULL)
2926 return NT_STATUS_NO_MEMORY;
2927
2928 if (user->unix_pw) {
2929 primary_gid = user->unix_pw->pw_gid;
2930 } else {
2931 /* retrieve the users primary gid */
2932 filter = talloc_asprintf(mem_ctx,
2933 "(&(objectClass=%s)(uid=%s))",
2934 LDAP_OBJ_SAMBASAMACCOUNT,
2935 escape_name);
2936 if (filter == NULL) {
2937 ret = NT_STATUS_NO_MEMORY;
2938 goto done;
2939 }
2940
2941 rc = smbldap_search(conn, lp_ldap_suffix(),
2942 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2943
2944 if (rc != LDAP_SUCCESS)
2945 goto done;
2946
2947 talloc_autofree_ldapmsg(mem_ctx, result);
2948
2949 count = ldap_count_entries(priv2ld(ldap_state), result);
2950
2951 switch (count) {
2952 case 0:
2953 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2954 ret = NT_STATUS_NO_SUCH_USER;
2955 goto done;
2956 case 1:
2957 entry = ldap_first_entry(priv2ld(ldap_state), result);
2958
2959 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2960 if (!gidstr) {
2961 DEBUG (1, ("Unable to find the member's gid!\n"));
2962 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2963 goto done;
2964 }
2965 primary_gid = strtoul(gidstr, NULL, 10);
2966 break;
2967 default:
2968 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2969 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2970 goto done;
2971 }
2972 }
2973
2974 filter = talloc_asprintf(mem_ctx,
2975 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2976 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2977 if (filter == NULL) {
2978 ret = NT_STATUS_NO_MEMORY;
2979 goto done;
2980 }
2981
2982 rc = smbldap_search(conn, lp_ldap_suffix(),
2983 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2984
2985 if (rc != LDAP_SUCCESS)
2986 goto done;
2987
2988 talloc_autofree_ldapmsg(mem_ctx, result);
2989
2990 num_gids = 0;
2991 *pp_gids = NULL;
2992
2993 num_sids = 0;
2994 *pp_sids = NULL;
2995
2996 /* We need to add the primary group as the first gid/sid */
2997
2998 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2999 ret = NT_STATUS_NO_MEMORY;
3000 goto done;
3001 }
3002
3003 /* This sid will be replaced later */
3004
3005 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3006 &num_sids);
3007 if (!NT_STATUS_IS_OK(ret)) {
3008 goto done;
3009 }
3010
3011 for (entry = ldap_first_entry(conn->ldap_struct, result);
3012 entry != NULL;
3013 entry = ldap_next_entry(conn->ldap_struct, entry))
3014 {
3015 fstring str;
3016 DOM_SID sid;
3017 gid_t gid;
3018 char *end;
3019
3020 if (!smbldap_get_single_attribute(conn->ldap_struct,
3021 entry, "sambaSID",
3022 str, sizeof(str)-1))
3023 continue;
3024
3025 if (!string_to_sid(&sid, str))
3026 goto done;
3027
3028 if (!smbldap_get_single_attribute(conn->ldap_struct,
3029 entry, "gidNumber",
3030 str, sizeof(str)-1))
3031 continue;
3032
3033 gid = strtoul(str, &end, 10);
3034
3035 if (PTR_DIFF(end, str) != strlen(str))
3036 goto done;
3037
3038 if (gid == primary_gid) {
3039 sid_copy(&(*pp_sids)[0], &sid);
3040 } else {
3041 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3042 &num_gids)) {
3043 ret = NT_STATUS_NO_MEMORY;
3044 goto done;
3045 }
3046 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3047 &num_sids);
3048 if (!NT_STATUS_IS_OK(ret)) {
3049 goto done;
3050 }
3051 }
3052 }
3053
3054 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3055 DEBUG(3, ("primary group of [%s] not found\n",
3056 pdb_get_username(user)));
3057 goto done;
3058 }
3059
3060 *p_num_groups = num_sids;
3061
3062 ret = NT_STATUS_OK;
3063
3064 done:
3065
3066 TALLOC_FREE(escape_name);
3067 return ret;
3068 }
3069
3070 /**********************************************************************
3071 * Augment a posixGroup object with a sambaGroupMapping domgroup
3072 *********************************************************************/
3073
3074 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3075 struct ldapsam_privates *ldap_state,
3076 GROUP_MAP *map)
3077 {
3078 const char *filter, *dn;
3079 LDAPMessage *msg, *entry;
3080 LDAPMod **mods;
3081 int rc;
3082
3083 filter = talloc_asprintf(mem_ctx,
3084 "(&(objectClass=%s)(gidNumber=%u))",
3085 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3086 if (filter == NULL) {
3087 return NT_STATUS_NO_MEMORY;
3088 }
3089
3090 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3091 get_attr_list(mem_ctx, groupmap_attr_list),
3092 &msg);
3093 talloc_autofree_ldapmsg(mem_ctx, msg);
3094
3095 if ((rc != LDAP_SUCCESS) ||
3096 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3097 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3098 return NT_STATUS_NO_SUCH_GROUP;
3099 }
3100
3101 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3102 if (dn == NULL) {
3103 return NT_STATUS_NO_MEMORY;
3104 }
3105
3106 mods = NULL;
3107 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3108 LDAP_OBJ_GROUPMAP);
3109 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3110 sid_string_talloc(mem_ctx, &map->sid));
3111 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3112 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3113 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3114 map->nt_name);
3115 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3116 map->comment);
3117 talloc_autofree_ldapmod(mem_ctx, mods);
3118
3119 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3120 if (rc != LDAP_SUCCESS) {
3121 return NT_STATUS_ACCESS_DENIED;
3122 }
3123
3124 return NT_STATUS_OK;
3125 }
3126
3127 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3128 GROUP_MAP *map)
3129 {
3130 struct ldapsam_privates *ldap_state =
3131 (struct ldapsam_privates *)methods->private_data;
3132 LDAPMessage *msg = NULL;
3133 LDAPMod **mods = NULL;
3134 const char *attrs[] = { NULL };
3135 char *filter;
3136
3137 char *dn;
3138 TALLOC_CTX *mem_ctx;
3139 NTSTATUS result;
3140
3141 DOM_SID sid;
3142
3143 int rc;
3144
3145 mem_ctx = talloc_new(NULL);
3146 if (mem_ctx == NULL) {
3147 DEBUG(0, ("talloc_new failed\n"));
3148 return NT_STATUS_NO_MEMORY;
3149 }
3150
3151 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3152 sid_string_talloc(mem_ctx, &map->sid));
3153 if (filter == NULL) {
3154 result = NT_STATUS_NO_MEMORY;
3155 goto done;
3156 }
3157
3158 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3159 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3160 talloc_autofree_ldapmsg(mem_ctx, msg);
3161
3162 if ((rc == LDAP_SUCCESS) &&
3163 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3164
3165 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3166 "group mapping entry\n", sid_string_dbg(&map->sid)));
3167 result = NT_STATUS_GROUP_EXISTS;
3168 goto done;
3169 }
3170
3171 switch (map->sid_name_use) {
3172
3173 case SID_NAME_DOM_GRP:
3174 /* To map a domain group we need to have a posix group
3175 to attach to. */
3176 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3177 goto done;
3178 break;
3179
3180 case SID_NAME_ALIAS:
3181 if (!sid_check_is_in_our_domain(&map->sid)
3182 && !sid_check_is_in_builtin(&map->sid) )
3183 {
3184 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3185 sid_string_dbg(&map->sid)));
3186 result = NT_STATUS_INVALID_PARAMETER;
3187 goto done;
3188 }
3189 break;
3190
3191 default:
3192 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3193 sid_type_lookup(map->sid_name_use)));
3194 result = NT_STATUS_INVALID_PARAMETER;
3195 goto done;
3196 }
3197
3198 /* Domain groups have been mapped in a separate routine, we have to
3199 * create an alias now */
3200
3201 if (map->gid == -1) {
3202 DEBUG(10, ("Refusing to map gid==-1\n"));
3203 result = NT_STATUS_INVALID_PARAMETER;
3204 goto done;
3205 }
3206
3207 if (pdb_gid_to_sid(map->gid, &sid)) {
3208 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3209 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3210 result = NT_STATUS_GROUP_EXISTS;
3211 goto done;
3212 }
3213
3214 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3215 * the best we can get out of LDAP. */
3216
3217 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3218 sid_string_talloc(mem_ctx, &map->sid),
3219 lp_ldap_group_suffix());
3220 if (dn == NULL) {
3221 result = NT_STATUS_NO_MEMORY;
3222 goto done;
3223 }
3224
3225 mods = NULL;
3226
3227 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3228 LDAP_OBJ_SID_ENTRY);
3229 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3230 LDAP_OBJ_GROUPMAP);
3231 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3232 sid_string_talloc(mem_ctx, &map->sid));
3233 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3234 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3235 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3236 map->nt_name);
3237 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3238 map->comment);
3239 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3240 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3241 talloc_autofree_ldapmod(mem_ctx, mods);
3242
3243 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3244
3245 result = (rc == LDAP_SUCCESS) ?
3246 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3247
3248 done:
3249 TALLOC_FREE(mem_ctx);
3250 return result;
3251 }
3252
3253 /**********************************************************************
3254 * Update a group mapping entry. We're quite strict about what can be changed:
3255 * Only the description and displayname may be changed. It simply does not
3256 * make any sense to change the SID, gid or the type in a mapping.
3257 *********************************************************************/
3258
3259 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3260 GROUP_MAP *map)
3261 {
3262 struct ldapsam_privates *ldap_state =
3263 (struct ldapsam_privates *)methods->private_data;
3264 int rc;
3265 const char *filter, *dn;
3266 LDAPMessage *msg = NULL;
3267 LDAPMessage *entry = NULL;
3268 LDAPMod **mods = NULL;
3269 TALLOC_CTX *mem_ctx;
3270 NTSTATUS result;
3271
3272 mem_ctx = talloc_new(NULL);
3273 if (mem_ctx == NULL) {
3274 DEBUG(0, ("talloc_new failed\n"));
3275 return NT_STATUS_NO_MEMORY;
3276 }
3277
3278 /* Make 100% sure that sid, gid and type are not changed by looking up
3279 * exactly the values we're given in LDAP. */
3280
3281 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3282 "(sambaSid=%s)(gidNumber=%u)"
3283 "(sambaGroupType=%d))",
3284 LDAP_OBJ_GROUPMAP,
3285 sid_string_talloc(mem_ctx, &map->sid),
3286 (unsigned int)map->gid, map->sid_name_use);
3287 if (filter == NULL) {
3288 result = NT_STATUS_NO_MEMORY;
3289 goto done;
3290 }
3291
3292 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3293 get_attr_list(mem_ctx, groupmap_attr_list),
3294 &msg);
3295 talloc_autofree_ldapmsg(mem_ctx, msg);
3296
3297 if ((rc != LDAP_SUCCESS) ||
3298 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3299 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3300 result = NT_STATUS_NO_SUCH_GROUP;
3301 goto done;
3302 }
3303
3304 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3305
3306 if (dn == NULL) {
3307 result = NT_STATUS_NO_MEMORY;
3308 goto done;
3309 }
3310
3311 mods = NULL;
3312 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3313 map->nt_name);
3314 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3315 map->comment);
3316 talloc_autofree_ldapmod(mem_ctx, mods);
3317
3318 if (mods == NULL) {
3319 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3320 "nothing to do\n"));
3321 result = NT_STATUS_OK;
3322 goto done;
3323 }
3324
3325 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3326
3327 if (rc != LDAP_SUCCESS) {
3328 result = NT_STATUS_ACCESS_DENIED;
3329 goto done;
3330 }
3331
3332 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3333 "group %lu in LDAP\n", (unsigned long)map->gid));
3334
3335 result = NT_STATUS_OK;
3336
3337 done:
3338 TALLOC_FREE(mem_ctx);
3339 return result;
3340 }
3341
3342 /**********************************************************************
3343 *********************************************************************/
3344
3345 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3346 DOM_SID sid)
3347 {
3348 struct ldapsam_privates *priv =
3349 (struct ldapsam_privates *)methods->private_data;
3350 LDAPMessage *msg, *entry;
3351 int rc;
3352 NTSTATUS result;
3353 TALLOC_CTX *mem_ctx;
3354 char *filter;
3355
3356 mem_ctx = talloc_new(NULL);
3357 if (mem_ctx == NULL) {
3358 DEBUG(0, ("talloc_new failed\n"));
3359 return NT_STATUS_NO_MEMORY;
3360 }
3361
3362 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3363 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3364 sid_string_talloc(mem_ctx, &sid));
3365 if (filter == NULL) {
3366 result = NT_STATUS_NO_MEMORY;
3367 goto done;
3368 }
3369 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3370 get_attr_list(mem_ctx, groupmap_attr_list),
3371 &msg);
3372 talloc_autofree_ldapmsg(mem_ctx, msg);
3373
3374 if ((rc != LDAP_SUCCESS) ||
3375 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3376 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3377 result = NT_STATUS_NO_SUCH_GROUP;
3378 goto done;
3379 }
3380
3381 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3382 get_attr_list(mem_ctx,
3383 groupmap_attr_list_to_delete));
3384
3385 if ((rc == LDAP_NAMING_VIOLATION) ||
3386 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3387 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3388 const char *attrs[] = { "sambaGroupType", "description",
3389 "displayName", "sambaSIDList",
3390 NULL };
3391
3392 /* Second try. Don't delete the sambaSID attribute, this is
3393 for "old" entries that are tacked on a winbind
3394 sambaIdmapEntry. */
3395
3396 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3397 LDAP_OBJ_GROUPMAP, attrs);
3398 }
3399
3400 if ((rc == LDAP_NAMING_VIOLATION) ||
3401 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3402 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3403 const char *attrs[] = { "sambaGroupType", "description",
3404 "displayName", "sambaSIDList",
3405 "gidNumber", NULL };
3406
3407 /* Third try. This is a post-3.0.21 alias (containing only
3408 * sambaSidEntry and sambaGroupMapping classes), we also have
3409 * to delete the gidNumber attribute, only the sambaSidEntry
3410 * remains */
3411
3412 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3413 LDAP_OBJ_GROUPMAP, attrs);
3414 }
3415
3416 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3417
3418 done:
3419 TALLOC_FREE(mem_ctx);
3420 return result;
3421 }
3422
3423 /**********************************************************************
3424 *********************************************************************/
3425
3426 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3427 bool update)
3428 {
3429 struct ldapsam_privates *ldap_state =
3430 (struct ldapsam_privates *)my_methods->private_data;
3431 char *filter = NULL;
3432 int rc;
3433 const char **attr_list;
3434
3435 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3436 if (!filter) {
3437 return NT_STATUS_NO_MEMORY;
3438 }
3439 attr_list = get_attr_list( NULL, groupmap_attr_list );
3440 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3441 LDAP_SCOPE_SUBTREE, filter,
3442 attr_list, 0, &ldap_state->result);
3443 TALLOC_FREE(attr_list);
3444
3445 if (rc != LDAP_SUCCESS) {
3446 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3447 ldap_err2string(rc)));
3448 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3449 lp_ldap_suffix(), filter));
3450 ldap_msgfree(ldap_state->result);
3451 ldap_state->result = NULL;
3452 TALLOC_FREE(filter);
3453 return NT_STATUS_UNSUCCESSFUL;
3454 }
3455
3456 TALLOC_FREE(filter);
3457
3458 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3459 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3460 ldap_state->result)));
3461
3462 ldap_state->entry =
3463 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3464 ldap_state->result);
3465 ldap_state->index = 0;
3466
3467 return NT_STATUS_OK;
3468 }
3469
3470 /**********************************************************************
3471 *********************************************************************/
3472
3473 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3474 {
3475 ldapsam_endsampwent(my_methods);
3476 }
3477
3478 /**********************************************************************
3479 *********************************************************************/
3480
3481 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3482 GROUP_MAP *map)
3483 {
3484 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3485 struct ldapsam_privates *ldap_state =
3486 (struct ldapsam_privates *)my_methods->private_data;
3487 bool bret = False;
3488
3489 while (!bret) {
3490 if (!ldap_state->entry)
3491 return ret;
3492
3493 ldap_state->index++;
3494 bret = init_group_from_ldap(ldap_state, map,
3495 ldap_state->entry);
3496
3497 ldap_state->entry =
3498 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3499 ldap_state->entry);
3500 }
3501
3502 return NT_STATUS_OK;
3503 }
3504
3505 /**********************************************************************
3506 *********************************************************************/
3507
3508 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3509 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3510 GROUP_MAP **pp_rmap,
3511 size_t *p_num_entries,
3512 bool unix_only)
3513 {
3514 GROUP_MAP map;
3515 size_t entries = 0;
3516
3517 *p_num_entries = 0;
3518 *pp_rmap = NULL;
3519
3520 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3521 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3522 "passdb\n"));
3523 return NT_STATUS_ACCESS_DENIED;
3524 }
3525
3526 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3527 if (sid_name_use != SID_NAME_UNKNOWN &&
3528 sid_name_use != map.sid_name_use) {
3529 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3530 "not of the requested type\n", map.nt_name));
3531 continue;
3532 }
3533 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3534 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3535 "non mapped\n", map.nt_name));
3536 continue;
3537 }
3538
3539 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3540 if (!(*pp_rmap)) {
3541 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3542 "enlarge group map!\n"));
3543 return NT_STATUS_UNSUCCESSFUL;
3544 }
3545
3546 (*pp_rmap)[entries] = map;
3547
3548 entries += 1;
3549
3550 }
3551 ldapsam_endsamgrent(methods);
3552
3553 *p_num_entries = entries;
3554
3555 return NT_STATUS_OK;
3556 }
3557
3558 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3559 const DOM_SID *alias,
3560 const DOM_SID *member,
3561 int modop)
3562 {
3563 struct ldapsam_privates *ldap_state =
3564 (struct ldapsam_privates *)methods->private_data;
3565 char *dn = NULL;
3566 LDAPMessage *result = NULL;
3567 LDAPMessage *entry = NULL;
3568 int count;
3569 LDAPMod **mods = NULL;
3570 int rc;
3571 enum lsa_SidType type = SID_NAME_USE_NONE;
3572 fstring tmp;
3573
3574 char *filter = NULL;
3575
3576 if (sid_check_is_in_builtin(alias)) {
3577 type = SID_NAME_ALIAS;
3578 }
3579
3580 if (sid_check_is_in_our_domain(alias)) {
3581 type = SID_NAME_ALIAS;
3582 }
3583
3584 if (type == SID_NAME_USE_NONE) {
3585 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3586 sid_string_dbg(alias)));
3587 return NT_STATUS_NO_SUCH_ALIAS;
3588 }
3589
3590 if (asprintf(&filter,
3591 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3592 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3593 type) < 0) {
3594 return NT_STATUS_NO_MEMORY;
3595 }
3596
3597 if (ldapsam_search_one_group(ldap_state, filter,
3598 &result) != LDAP_SUCCESS) {
3599 SAFE_FREE(filter);
3600 return NT_STATUS_NO_SUCH_ALIAS;
3601 }
3602
3603 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3604 result);
3605
3606 if (count < 1) {
3607 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3608 ldap_msgfree(result);
3609 SAFE_FREE(filter);
3610 return NT_STATUS_NO_SUCH_ALIAS;
3611 }
3612
3613 if (count > 1) {
3614 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3615 "filter %s: count=%d\n", filter, count));
3616 ldap_msgfree(result);
3617 SAFE_FREE(filter);
3618 return NT_STATUS_NO_SUCH_ALIAS;
3619 }
3620
3621 SAFE_FREE(filter);
3622
3623 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3624 result);
3625
3626 if (!entry) {
3627 ldap_msgfree(result);
3628 return NT_STATUS_UNSUCCESSFUL;
3629 }
3630
3631 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3632 if (!dn) {
3633 ldap_msgfree(result);
3634 return NT_STATUS_UNSUCCESSFUL;
3635 }
3636
3637 smbldap_set_mod(&mods, modop,
3638 get_attr_key2string(groupmap_attr_list,
3639 LDAP_ATTR_SID_LIST),
3640 sid_to_fstring(tmp, member));
3641
3642 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3643
3644 ldap_mods_free(mods, True);
3645 ldap_msgfree(result);
3646 TALLOC_FREE(dn);
3647
3648 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3649 return NT_STATUS_MEMBER_IN_ALIAS;
3650 }
3651
3652 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3653 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3654 }
3655
3656 if (rc != LDAP_SUCCESS) {
3657 return NT_STATUS_UNSUCCESSFUL;
3658 }
3659
3660 return NT_STATUS_OK;
3661 }
3662
3663 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3664 const DOM_SID *alias,
3665 const DOM_SID *member)
3666 {
3667 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3668 }
3669
3670 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3671 const DOM_SID *alias,
3672 const DOM_SID *member)
3673 {
3674 return ldapsam_modify_aliasmem(methods, alias, member,
3675 LDAP_MOD_DELETE);
3676 }
3677
3678 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3679 const DOM_SID *alias,
3680 TALLOC_CTX *mem_ctx,
3681 DOM_SID **pp_members,
3682 size_t *p_num_members)
3683 {
3684 struct ldapsam_privates *ldap_state =
3685 (struct ldapsam_privates *)methods->private_data;
3686 LDAPMessage *result = NULL;
3687 LDAPMessage *entry = NULL;
3688 int count;
3689 char **values = NULL;
3690 int i;
3691 char *filter = NULL;
3692 size_t num_members = 0;
3693 enum lsa_SidType type = SID_NAME_USE_NONE;
3694 fstring tmp;
3695
3696 *pp_members = NULL;
3697 *p_num_members = 0;
3698
3699 if (sid_check_is_in_builtin(alias)) {
3700 type = SID_NAME_ALIAS;
3701 }
3702
3703 if (sid_check_is_in_our_domain(alias)) {
3704 type = SID_NAME_ALIAS;
3705 }
3706
3707 if (type == SID_NAME_USE_NONE) {
3708 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3709 sid_string_dbg(alias)));
3710 return NT_STATUS_NO_SUCH_ALIAS;
3711 }
3712
3713 if (asprintf(&filter,
3714 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3715 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3716 type) < 0) {
3717 return NT_STATUS_NO_MEMORY;
3718 }
3719
3720 if (ldapsam_search_one_group(ldap_state, filter,
3721 &result) != LDAP_SUCCESS) {
3722 SAFE_FREE(filter);
3723 return NT_STATUS_NO_SUCH_ALIAS;
3724 }
3725
3726 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3727 result);
3728
3729 if (count < 1) {
3730 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3731 ldap_msgfree(result);
3732 SAFE_FREE(filter);
3733 return NT_STATUS_NO_SUCH_ALIAS;
3734 }
3735
3736 if (count > 1) {
3737 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3738 "filter %s: count=%d\n", filter, count));
3739 ldap_msgfree(result);
3740 SAFE_FREE(filter);
3741 return NT_STATUS_NO_SUCH_ALIAS;
3742 }
3743
3744 SAFE_FREE(filter);
3745
3746 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3747 result);
3748
3749 if (!entry) {
3750 ldap_msgfree(result);
3751 return NT_STATUS_UNSUCCESSFUL;
3752 }
3753
3754 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3755 entry,
3756 get_attr_key2string(groupmap_attr_list,
3757 LDAP_ATTR_SID_LIST));
3758
3759 if (values == NULL) {
3760 ldap_msgfree(result);
3761 return NT_STATUS_OK;
3762 }
3763
3764 count = ldap_count_values(values);
3765
3766 for (i=0; i<count; i++) {
3767 DOM_SID member;
3768 NTSTATUS status;
3769
3770 if (!string_to_sid(&member, values[i]))
3771 continue;
3772
3773 status = add_sid_to_array(mem_ctx, &member, pp_members,
3774 &num_members);
3775 if (!NT_STATUS_IS_OK(status)) {
3776 ldap_value_free(values);
3777 ldap_msgfree(result);
3778 return status;
3779 }
3780 }
3781
3782 *p_num_members = num_members;
3783 ldap_value_free(values);
3784 ldap_msgfree(result);
3785
3786 return NT_STATUS_OK;
3787 }
3788
3789 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3790 TALLOC_CTX *mem_ctx,
3791 const DOM_SID *domain_sid,
3792 const DOM_SID *members,
3793 size_t num_members,
3794 uint32 **pp_alias_rids,
3795 size_t *p_num_alias_rids)
3796 {
3797 struct ldapsam_privates *ldap_state =
3798 (struct ldapsam_privates *)methods->private_data;
3799 LDAP *ldap_struct;
3800
3801 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3802
3803 LDAPMessage *result = NULL;
3804 LDAPMessage *entry = NULL;
3805 int i;
3806 int rc;
3807 char *filter;
3808 enum lsa_SidType type = SID_NAME_USE_NONE;
3809 bool is_builtin = false;
3810 bool sid_added = false;
3811
3812 *pp_alias_rids = NULL;
3813 *p_num_alias_rids = 0;
3814
3815 if (sid_check_is_builtin(domain_sid)) {
3816 is_builtin = true;
3817 type = SID_NAME_ALIAS;
3818 }
3819
3820 if (sid_check_is_domain(domain_sid)) {
3821 type = SID_NAME_ALIAS;
3822 }
3823
3824 if (type == SID_NAME_USE_NONE) {
3825 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3826 sid_string_dbg(domain_sid)));
3827 return NT_STATUS_UNSUCCESSFUL;
3828 }
3829
3830 if (num_members == 0) {
3831 return NT_STATUS_OK;
3832 }
3833
3834 filter = talloc_asprintf(mem_ctx,
3835 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3836 LDAP_OBJ_GROUPMAP, type);
3837
3838 for (i=0; i<num_members; i++)
3839 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3840 filter,
3841 sid_string_talloc(mem_ctx,
3842 &members[i]));
3843
3844 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3845
3846 if (filter == NULL) {
3847 return NT_STATUS_NO_MEMORY;
3848 }
3849
3850 if (is_builtin &&
3851 ldap_state->search_cache.filter &&
3852 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3853 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3854 result = ldap_state->search_cache.result;
3855 ldap_state->search_cache.result = NULL;
3856 } else {
3857 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3858 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3859 if (rc != LDAP_SUCCESS) {
3860 return NT_STATUS_UNSUCCESSFUL;
3861 }
3862 talloc_autofree_ldapmsg(filter, result);
3863 }
3864
3865 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3866
3867 for (entry = ldap_first_entry(ldap_struct, result);
3868 entry != NULL;
3869 entry = ldap_next_entry(ldap_struct, entry))
3870 {
3871 fstring sid_str;
3872 DOM_SID sid;
3873 uint32 rid;
3874
3875 if (!smbldap_get_single_attribute(ldap_struct, entry,
3876 LDAP_ATTRIBUTE_SID,
3877 sid_str,
3878 sizeof(sid_str)-1))
3879 continue;
3880
3881 if (!string_to_sid(&sid, sid_str))
3882 continue;
3883
3884 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3885 continue;
3886
3887 sid_added = true;
3888
3889 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3890 p_num_alias_rids)) {
3891 return NT_STATUS_NO_MEMORY;
3892 }
3893 }
3894
3895 if (!is_builtin && !sid_added) {
3896 TALLOC_FREE(ldap_state->search_cache.filter);
3897 /*
3898 * Note: result is a talloc child of filter because of the
3899 * talloc_autofree_ldapmsg() usage
3900 */
3901 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3902 ldap_state->search_cache.result = result;
3903 }
3904
3905 return NT_STATUS_OK;
3906 }
3907
3908 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3909 enum pdb_policy_type type,
3910 uint32 value)
3911 {
3912 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3913 int rc;
3914 LDAPMod **mods = NULL;
3915 fstring value_string;
3916 const char *policy_attr = NULL;
3917
3918 struct ldapsam_privates *ldap_state =
3919 (struct ldapsam_privates *)methods->private_data;
3920
3921 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3922
3923 if (!ldap_state->domain_dn) {
3924 return NT_STATUS_INVALID_PARAMETER;
3925 }
3926
3927 policy_attr = get_account_policy_attr(type);
3928 if (policy_attr == NULL) {
3929 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3930 "policy\n"));
3931 return ntstatus;
3932 }
3933
3934 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3935
3936 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3937
3938 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3939 mods);
3940
3941 ldap_mods_free(mods, True);
3942
3943 if (rc != LDAP_SUCCESS) {
3944 return ntstatus;
3945 }
3946
3947 if (!cache_account_policy_set(type, value)) {
3948 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3949 "update local tdb cache\n"));
3950 return ntstatus;
3951 }
3952
3953 return NT_STATUS_OK;
3954 }
3955
3956 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3957 enum pdb_policy_type type,
3958 uint32_t value)
3959 {
3960 return ldapsam_set_account_policy_in_ldap(methods, type,
3961 value);
3962 }
3963
3964 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3965 enum pdb_policy_type type,
3966 uint32 *value)
3967 {
3968 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3969 LDAPMessage *result = NULL;
3970 LDAPMessage *entry = NULL;
3971 int count;
3972 int rc;
3973 char **vals = NULL;
3974 char *filter;
3975 const char *policy_attr = NULL;
3976
3977 struct ldapsam_privates *ldap_state =
3978 (struct ldapsam_privates *)methods->private_data;
3979
3980 const char *attrs[2];
3981
3982 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3983
3984 if (!ldap_state->domain_dn) {
3985 return NT_STATUS_INVALID_PARAMETER;
3986 }
3987
3988 policy_attr = get_account_policy_attr(type);
3989 if (!policy_attr) {
3990 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3991 "policy index: %d\n", type));
3992 return ntstatus;
3993 }
3994
3995 attrs[0] = policy_attr;
3996 attrs[1] = NULL;
3997
3998 filter = talloc_asprintf(NULL, "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3999 if (filter == NULL) {
4000 return NT_STATUS_NO_MEMORY;
4001 }
4002 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4003 LDAP_SCOPE_BASE, filter, attrs, 0,
4004 &result);
4005
4006 if (rc != LDAP_SUCCESS) {
4007 return ntstatus;
4008 }
4009
4010 count = ldap_count_entries(priv2ld(ldap_state), result);
4011 if (count < 1) {
4012 goto out;
4013 }
4014
4015 entry = ldap_first_entry(priv2ld(ldap_state), result);
4016 if (entry == NULL) {
4017 goto out;
4018 }
4019
4020 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4021 if (vals == NULL) {
4022 goto out;
4023 }
4024
4025 *value = (uint32)atol(vals[0]);
4026
4027 ntstatus = NT_STATUS_OK;
4028
4029 out:
4030 if (vals)
4031 ldap_value_free(vals);
4032 ldap_msgfree(result);
4033
4034 return ntstatus;
4035 }
4036
4037 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4038
4039 - if user hasn't decided to use account policies inside LDAP just reuse the
4040 old tdb values
4041
4042 - if there is a valid cache entry, return that
4043 - if there is an LDAP entry, update cache and return
4044 - otherwise set to default, update cache and return
4045
4046 Guenther
4047 */
4048 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4049 enum pdb_policy_type type,
4050 uint32_t *value)
4051 {
4052 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4053
4054 if (cache_account_policy_get(type, value)) {
4055 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4056 "cache\n"));
4057 return NT_STATUS_OK;
4058 }
4059
4060 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4061 value);
4062 if (NT_STATUS_IS_OK(ntstatus)) {
4063 goto update_cache;
4064 }
4065
4066 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4067 "ldap\n"));
4068
4069 #if 0
4070 /* should we automagically migrate old tdb value here ? */
4071 if (account_policy_get(type, value))
4072 goto update_ldap;
4073
4074 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4075 "default\n", type));
4076 #endif
4077
4078 if (!account_policy_get_default(type, value)) {
4079 return ntstatus;
4080 }
4081
4082 /* update_ldap: */
4083
4084 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4085 if (!NT_STATUS_IS_OK(ntstatus)) {
4086 return ntstatus;
4087 }
4088
4089 update_cache:
4090
4091 if (!cache_account_policy_set(type, *value)) {
4092 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4093 "tdb as a cache\n"));
4094 return NT_STATUS_UNSUCCESSFUL;
4095 }
4096
4097 return NT_STATUS_OK;
4098 }
4099
4100 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4101 const DOM_SID *domain_sid,
4102 int num_rids,
4103 uint32 *rids,
4104 const char **names,
4105 enum lsa_SidType *attrs)
4106 {
4107 struct ldapsam_privates *ldap_state =
4108 (struct ldapsam_privates *)methods->private_data;
4109 LDAPMessage *msg = NULL;
4110 LDAPMessage *entry;
4111 char *allsids = NULL;
4112 int i, rc, num_mapped;
4113 NTSTATUS result = NT_STATUS_NO_MEMORY;
4114 TALLOC_CTX *mem_ctx;
4115 LDAP *ld;
4116 bool is_builtin;
4117
4118 mem_ctx = talloc_new(NULL);
4119 if (mem_ctx == NULL) {
4120 DEBUG(0, ("talloc_new failed\n"));
4121 goto done;
4122 }
4123
4124 if (!sid_check_is_builtin(domain_sid) &&
4125 !sid_check_is_domain(domain_sid)) {
4126 result = NT_STATUS_INVALID_PARAMETER;
4127 goto done;
4128 }
4129
4130 if (num_rids == 0) {
4131 result = NT_STATUS_NONE_MAPPED;
4132 goto done;
4133 }
4134
4135 for (i=0; i<num_rids; i++)
4136 attrs[i] = SID_NAME_UNKNOWN;
4137
4138 allsids = talloc_strdup(mem_ctx, "");
4139 if (allsids == NULL) {
4140 goto done;
4141 }
4142
4143 for (i=0; i<num_rids; i++) {
4144 DOM_SID sid;
4145 sid_compose(&sid, domain_sid, rids[i]);
4146 allsids = talloc_asprintf_append_buffer(
4147 allsids, "(sambaSid=%s)",
4148 sid_string_talloc(mem_ctx, &sid));
4149 if (allsids == NULL) {
4150 goto done;
4151 }
4152 }
4153
4154 /* First look for users */
4155
4156 {
4157 char *filter;
4158 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4159
4160 filter = talloc_asprintf(
4161 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4162 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4163
4164 if (filter == NULL) {
4165 goto done;
4166 }
4167
4168 rc = smbldap_search(ldap_state->smbldap_state,
4169 lp_ldap_user_suffix(),
4170 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4171 &msg);
4172 talloc_autofree_ldapmsg(mem_ctx, msg);
4173 }
4174
4175 if (rc != LDAP_SUCCESS)
4176 goto done;
4177
4178 ld = ldap_state->smbldap_state->ldap_struct;
4179 num_mapped = 0;
4180
4181 for (entry = ldap_first_entry(ld, msg);
4182 entry != NULL;
4183 entry = ldap_next_entry(ld, entry)) {
4184 uint32 rid;
4185 int rid_index;
4186 const char *name;
4187
4188 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4189 &rid)) {
4190 DEBUG(2, ("Could not find sid from ldap entry\n"));
4191 continue;
4192 }
4193
4194 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4195 names);
4196 if (name == NULL) {
4197 DEBUG(2, ("Could not retrieve uid attribute\n"));
4198 continue;
4199 }
4200
4201 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4202 if (rid == rids[rid_index])
4203 break;
4204 }
4205
4206 if (rid_index == num_rids) {
4207 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4208 continue;
4209 }
4210
4211 attrs[rid_index] = SID_NAME_USER;
4212 names[rid_index] = name;
4213 num_mapped += 1;
4214 }
4215
4216 if (num_mapped == num_rids) {
4217 /* No need to look for groups anymore -- we're done */
4218 result = NT_STATUS_OK;
4219 goto done;
4220 }
4221
4222 /* Same game for groups */
4223
4224 {
4225 char *filter;
4226 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4227 "sambaGroupType", NULL };
4228
4229 filter = talloc_asprintf(
4230 mem_ctx, "(&(objectClass=%s)(|%s))",
4231 LDAP_OBJ_GROUPMAP, allsids);
4232 if (filter == NULL) {
4233 goto done;
4234 }
4235
4236 rc = smbldap_search(ldap_state->smbldap_state,
4237 lp_ldap_suffix(),
4238 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4239 &msg);
4240 talloc_autofree_ldapmsg(mem_ctx, msg);
4241 }
4242
4243 if (rc != LDAP_SUCCESS)
4244 goto done;
4245
4246 /* ldap_struct might have changed due to a reconnect */
4247
4248 ld = ldap_state->smbldap_state->ldap_struct;
4249
4250 /* For consistency checks, we already checked we're only domain or builtin */
4251
4252 is_builtin = sid_check_is_builtin(domain_sid);
4253
4254 for (entry = ldap_first_entry(ld, msg);
4255 entry != NULL;
4256 entry = ldap_next_entry(ld, entry))
4257 {
4258 uint32 rid;
4259 int rid_index;
4260 const char *attr;
4261 enum lsa_SidType type;
4262 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4263
4264 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4265 mem_ctx);
4266 if (attr == NULL) {
4267 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4268 dn));
4269 continue;
4270 }
4271
4272 type = (enum lsa_SidType)atol(attr);
4273
4274 /* Consistency checks */
4275 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4276 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4277 (type != SID_NAME_DOM_GRP)))) {
4278 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4279 }
4280
4281 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4282 &rid)) {
4283 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4284 continue;
4285 }
4286
4287 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4288
4289 if (attr == NULL) {
4290 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4291 dn));
4292 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4293 }
4294
4295 if (attr == NULL) {
4296 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4297 dn));
4298 continue;
4299 }
4300
4301 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4302 if (rid == rids[rid_index])
4303 break;
4304 }
4305
4306 if (rid_index == num_rids) {
4307 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4308 continue;
4309 }
4310
4311 attrs[rid_index] = type;
4312 names[rid_index] = attr;
4313 num_mapped += 1;
4314 }
4315
4316 result = NT_STATUS_NONE_MAPPED;
4317
4318 if (num_mapped > 0)
4319 result = (num_mapped == num_rids) ?
4320 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4321 done:
4322 TALLOC_FREE(mem_ctx);
4323 return result;
4324 }
4325
4326 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4327 {
4328 char *filter = NULL;
4329 char *escaped = NULL;
4330 char *result = NULL;
4331
4332 if (asprintf(&filter, "(&%s(objectclass=%s))",
4333 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4334 goto done;
4335 }
4336
4337 escaped = escape_ldap_string(talloc_tos(), username);
4338 if (escaped == NULL) goto done;
4339
4340 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4341
4342 done:
4343 SAFE_FREE(filter);
4344 TALLOC_FREE(escaped);
4345
4346 return result;
4347 }
4348
4349 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4350 {
4351 int i, num = 0;
4352 va_list ap;
4353 const char **result;
4354
4355 va_start(ap, mem_ctx);
4356 while (va_arg(ap, const char *) != NULL)
4357 num += 1;
4358 va_end(ap);
4359
4360 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4361 return NULL;
4362 }
4363
4364 va_start(ap, mem_ctx);
4365 for (i=0; i<num; i++) {
4366 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4367 if (result[i] == NULL) {
4368 talloc_free(result);
4369 va_end(ap);
4370 return NULL;
4371 }
4372 }
4373 va_end(ap);
4374
4375 result[num] = NULL;
4376 return result;
4377 }
4378
4379 struct ldap_search_state {
4380 struct smbldap_state *connection;
4381
4382 uint32 acct_flags;
4383 uint16 group_type;
4384
4385 const char *base;
4386 int scope;
4387 const char *filter;
4388 const char **attrs;
4389 int attrsonly;
4390 void *pagedresults_cookie;
4391
4392 LDAPMessage *entries, *current_entry;
4393 bool (*ldap2displayentry)(struct ldap_search_state *state,
4394 TALLOC_CTX *mem_ctx,
4395 LDAP *ld, LDAPMessage *entry,
4396 struct samr_displayentry *result);
4397 };
4398
4399 static bool ldapsam_search_firstpage(struct pdb_search *search)
4400 {
4401 struct ldap_search_state *state =
4402 (struct ldap_search_state *)search->private_data;
4403 LDAP *ld;
4404 int rc = LDAP_OPERATIONS_ERROR;
4405
4406 state->entries = NULL;
4407
4408 if (state->connection->paged_results) {
4409 rc = smbldap_search_paged(state->connection, state->base,
4410 state->scope, state->filter,
4411 state->attrs, state->attrsonly,
4412 lp_ldap_page_size(), &state->entries,
4413 &state->pagedresults_cookie);
4414 }
4415
4416 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4417
4418 if (state->entries != NULL) {
4419 /* Left over from unsuccessful paged attempt */
4420 ldap_msgfree(state->entries);
4421 state->entries = NULL;
4422 }
4423
4424 rc = smbldap_search(state->connection, state->base,
4425 state->scope, state->filter, state->attrs,
4426 state->attrsonly, &state->entries);
4427
4428 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4429 return False;
4430
4431 /* Ok, the server was lying. It told us it could do paged
4432 * searches when it could not. */
4433 state->connection->paged_results = False;
4434 }
4435
4436 ld = state->connection->ldap_struct;
4437 if ( ld == NULL) {
4438 DEBUG(5, ("Don't have an LDAP connection right after a "
4439 "search\n"));
4440 return False;
4441 }
4442 state->current_entry = ldap_first_entry(ld, state->entries);
4443
4444 if (state->current_entry == NULL) {
4445 ldap_msgfree(state->entries);
4446 state->entries = NULL;
4447 return false;
4448 }
4449
4450 return True;
4451 }
4452
4453 static bool ldapsam_search_nextpage(struct pdb_search *search)
4454 {
4455 struct ldap_search_state *state =
4456 (struct ldap_search_state *)search->private_data;
4457 int rc;
4458
4459 if (!state->connection->paged_results) {
4460 /* There is no next page when there are no paged results */
4461 return False;
4462 }
4463
4464 rc = smbldap_search_paged(state->connection, state->base,
4465 state->scope, state->filter, state->attrs,
4466 state->attrsonly, lp_ldap_page_size(),
4467 &state->entries,
4468 &state->pagedresults_cookie);
4469
4470 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4471 return False;
4472
4473 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4474
4475 if (state->current_entry == NULL) {
4476 ldap_msgfree(state->entries);
4477 state->entries = NULL;
4478 return false;
4479 }
4480
4481 return True;
4482 }
4483
4484 static bool ldapsam_search_next_entry(struct pdb_search *search,
4485 struct samr_displayentry *entry)
4486 {
4487 struct ldap_search_state *state =
4488 (struct ldap_search_state *)search->private_data;
4489 bool result;
4490
4491 retry:
4492 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4493 return False;
4494
4495 if ((state->entries == NULL) &&
4496 !ldapsam_search_nextpage(search))
4497 return False;
4498
4499 result = state->ldap2displayentry(state, search,
4500 state->connection->ldap_struct,
4501 state->current_entry, entry);
4502
4503 if (!result) {
4504 char *dn;
4505 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4506 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4507 if (dn != NULL) ldap_memfree(dn);
4508 }
4509
4510 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4511
4512 if (state->current_entry == NULL) {
4513 ldap_msgfree(state->entries);
4514 state->entries = NULL;
4515 }
4516
4517 if (!result) goto retry;
4518
4519 return True;
4520 }
4521
4522 static void ldapsam_search_end(struct pdb_search *search)
4523 {
4524 struct ldap_search_state *state =
4525 (struct ldap_search_state *)search->private_data;
4526 int rc;
4527
4528 if (state->pagedresults_cookie == NULL)
4529 return;
4530
4531 if (state->entries != NULL)
4532 ldap_msgfree(state->entries);
4533
4534 state->entries = NULL;
4535 state->current_entry = NULL;
4536
4537 if (!state->connection->paged_results)
4538 return;
4539
4540 /* Tell the LDAP server we're not interested in the rest anymore. */
4541
4542 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4543 state->filter, state->attrs,
4544 state->attrsonly, 0, &state->entries,
4545 &state->pagedresults_cookie);
4546
4547 if (rc != LDAP_SUCCESS)
4548 DEBUG(5, ("Could not end search properly\n"));
4549
4550 return;
4551 }
4552
4553 static bool ldapuser2displayentry(struct ldap_search_state *state,
4554 TALLOC_CTX *mem_ctx,
4555 LDAP *ld, LDAPMessage *entry,
4556 struct samr_displayentry *result)
4557 {
4558 char **vals;
4559 size_t converted_size;
4560 DOM_SID sid;
4561 uint32 acct_flags;
4562
4563 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4564 if ((vals == NULL) || (vals[0] == NULL)) {
4565 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4566 return False;
4567 }
4568 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4569 ldap_value_free(vals);
4570
4571 if ((state->acct_flags != 0) &&
4572 ((state->acct_flags & acct_flags) == 0))
4573 return False;
4574
4575 result->acct_flags = acct_flags;
4576 result->account_name = "";
4577 result->fullname = "";
4578 result->description = "";
4579
4580 vals = ldap_get_values(ld, entry, "uid");
4581 if ((vals == NULL) || (vals[0] == NULL)) {
4582 DEBUG(5, ("\"uid\" not found\n"));
4583 return False;
4584 }
4585 if (!pull_utf8_talloc(mem_ctx,
4586 CONST_DISCARD(char **, &result->account_name),
4587 vals[0], &converted_size))
4588 {
4589 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4590 strerror(errno)));
4591 }
4592
4593 ldap_value_free(vals);
4594
4595 vals = ldap_get_values(ld, entry, "displayName");
4596 if ((vals == NULL) || (vals[0] == NULL))
4597 DEBUG(8, ("\"displayName\" not found\n"));
4598 else if (!pull_utf8_talloc(mem_ctx,
4599 CONST_DISCARD(char **, &result->fullname),
4600 vals[0], &converted_size))
4601 {
4602 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4603 strerror(errno)));
4604 }
4605
4606 ldap_value_free(vals);
4607
4608 vals = ldap_get_values(ld, entry, "description");
4609 if ((vals == NULL) || (vals[0] == NULL))
4610 DEBUG(8, ("\"description\" not found\n"));
4611 else if (!pull_utf8_talloc(mem_ctx,
4612 CONST_DISCARD(char **, &result->description),
4613 vals[0], &converted_size))
4614 {
4615 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4616 strerror(errno)));
4617 }
4618
4619 ldap_value_free(vals);
4620
4621 if ((result->account_name == NULL) ||
4622 (result->fullname == NULL) ||
4623 (result->description == NULL)) {
4624 DEBUG(0, ("talloc failed\n"));
4625 return False;
4626 }
4627
4628 vals = ldap_get_values(ld, entry, "sambaSid");
4629 if ((vals == NULL) || (vals[0] == NULL)) {
4630 DEBUG(0, ("\"objectSid\" not found\n"));
4631 return False;
4632 }
4633
4634 if (!string_to_sid(&sid, vals[0])) {
4635 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4636 ldap_value_free(vals);
4637 return False;
4638 }
4639 ldap_value_free(vals);
4640
4641 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4642 DEBUG(0, ("sid %s does not belong to our domain\n",
4643 sid_string_dbg(&sid)));
4644 return False;
4645 }
4646
4647 return True;
4648 }
4649
4650
4651 static bool ldapsam_search_users(struct pdb_methods *methods,
4652 struct pdb_search *search,
4653 uint32 acct_flags)
4654 {
4655 struct ldapsam_privates *ldap_state =
4656 (struct ldapsam_privates *)methods->private_data;
4657 struct ldap_search_state *state;
4658
4659 state = talloc(search, struct ldap_search_state);
4660 if (state == NULL) {
4661 DEBUG(0, ("talloc failed\n"));
4662 return False;
4663 }
4664
4665 state->connection = ldap_state->smbldap_state;
4666
4667 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4668 state->base = lp_ldap_user_suffix();
4669 else if ((acct_flags != 0) &&
4670 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4671 state->base = lp_ldap_machine_suffix();
4672 else
4673 state->base = lp_ldap_suffix();
4674
4675 state->acct_flags = acct_flags;
4676 state->base = talloc_strdup(search, state->base);
4677 state->scope = LDAP_SCOPE_SUBTREE;
4678 state->filter = get_ldap_filter(search, "*");
4679 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4680 "displayName", "description",
4681 "sambaAcctFlags", NULL);
4682 state->attrsonly = 0;
4683 state->pagedresults_cookie = NULL;
4684 state->entries = NULL;
4685 state->ldap2displayentry = ldapuser2displayentry;
4686
4687 if ((state->filter == NULL) || (state->attrs == NULL)) {
4688 DEBUG(0, ("talloc failed\n"));
4689 return False;
4690 }
4691
4692 search->private_data = state;
4693 search->next_entry = ldapsam_search_next_entry;
4694 search->search_end = ldapsam_search_end;
4695
4696 return ldapsam_search_firstpage(search);
4697 }
4698
4699 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4700 TALLOC_CTX *mem_ctx,
4701 LDAP *ld, LDAPMessage *entry,
4702 struct samr_displayentry *result)
4703 {
4704 char **vals;
4705 size_t converted_size;
4706 DOM_SID sid;
4707 uint16 group_type;
4708
4709 result->account_name = "";
4710 result->fullname = "";
4711 result->description = "";
4712
4713
4714 vals = ldap_get_values(ld, entry, "sambaGroupType");
4715 if ((vals == NULL) || (vals[0] == NULL)) {
4716 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4717 if (vals != NULL) {
4718 ldap_value_free(vals);
4719 }
4720 return False;
4721 }
4722
4723 group_type = atoi(vals[0]);
4724
4725 if ((state->group_type != 0) &&
4726 ((state->group_type != group_type))) {
4727 ldap_value_free(vals);
4728 return False;
4729 }
4730
4731 ldap_value_free(vals);
4732
4733 /* display name is the NT group name */
4734
4735 vals = ldap_get_values(ld, entry, "displayName");
4736 if ((vals == NULL) || (vals[0] == NULL)) {
4737 DEBUG(8, ("\"displayName\" not found\n"));
4738
4739 /* fallback to the 'cn' attribute */
4740 vals = ldap_get_values(ld, entry, "cn");
4741 if ((vals == NULL) || (vals[0] == NULL)) {
4742 DEBUG(5, ("\"cn\" not found\n"));
4743 return False;
4744 }
4745 if (!pull_utf8_talloc(mem_ctx,
4746 CONST_DISCARD(char **,
4747 &result->account_name),
4748 vals[0], &converted_size))
4749 {
4750 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4751 "failed: %s", strerror(errno)));
4752 }
4753 }
4754 else if (!pull_utf8_talloc(mem_ctx,
4755 CONST_DISCARD(char **,
4756 &result->account_name),
4757 vals[0], &converted_size))
4758 {
4759 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4760 strerror(errno)));
4761 }
4762
4763 ldap_value_free(vals);
4764
4765 vals = ldap_get_values(ld, entry, "description");
4766 if ((vals == NULL) || (vals[0] == NULL))
4767 DEBUG(8, ("\"description\" not found\n"));
4768 else if (!pull_utf8_talloc(mem_ctx,
4769 CONST_DISCARD(char **, &result->description),
4770 vals[0], &converted_size))
4771 {
4772 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4773 strerror(errno)));
4774 }
4775 ldap_value_free(vals);
4776
4777 if ((result->account_name == NULL) ||
4778 (result->fullname == NULL) ||
4779 (result->description == NULL)) {
4780 DEBUG(0, ("talloc failed\n"));
4781 return False;
4782 }
4783
4784 vals = ldap_get_values(ld, entry, "sambaSid");
4785 if ((vals == NULL) || (vals[0] == NULL)) {
4786 DEBUG(0, ("\"objectSid\" not found\n"));
4787 if (vals != NULL) {
4788 ldap_value_free(vals);
4789 }
4790 return False;
4791 }
4792
4793 if (!string_to_sid(&sid, vals[0])) {
4794 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4795 return False;
4796 }
4797
4798 ldap_value_free(vals);
4799
4800 switch (group_type) {
4801 case SID_NAME_DOM_GRP:
4802 case SID_NAME_ALIAS:
4803
4804 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4805 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4806 {
4807 DEBUG(0, ("%s is not in our domain\n",
4808 sid_string_dbg(&sid)));
4809 return False;
4810 }
4811 break;
4812
4813 default:
4814 DEBUG(0,("unkown group type: %d\n", group_type));
4815 return False;
4816 }
4817
4818 result->acct_flags = 0;
4819
4820 return True;
4821 }
4822
4823 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4824 struct pdb_search *search,
4825 const DOM_SID *sid,
4826 enum lsa_SidType type)
4827 {
4828 struct ldapsam_privates *ldap_state =
4829 (struct ldapsam_privates *)methods->private_data;
4830 struct ldap_search_state *state;
4831 fstring tmp;
4832
4833 state = talloc(search, struct ldap_search_state);
4834 if (state == NULL) {
4835 DEBUG(0, ("talloc failed\n"));
4836 return False;
4837 }
4838
4839 state->connection = ldap_state->smbldap_state;
4840
4841 state->base = talloc_strdup(search, lp_ldap_suffix());
4842 state->connection = ldap_state->smbldap_state;
4843 state->scope = LDAP_SCOPE_SUBTREE;
4844 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4845 "(sambaGroupType=%d)(sambaSID=%s*))",
4846 LDAP_OBJ_GROUPMAP,
4847 type, sid_to_fstring(tmp, sid));
4848 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4849 "displayName", "description",
4850 "sambaGroupType", NULL);
4851 state->attrsonly = 0;
4852 state->pagedresults_cookie = NULL;
4853 state->entries = NULL;
4854 state->group_type = type;
4855 state->ldap2displayentry = ldapgroup2displayentry;
4856
4857 if ((state->filter == NULL) || (state->attrs == NULL)) {
4858 DEBUG(0, ("talloc failed\n"));
4859 return False;
4860 }
4861
4862 search->private_data = state;
4863 search->next_entry = ldapsam_search_next_entry;
4864 search->search_end = ldapsam_search_end;
4865
4866 return ldapsam_search_firstpage(search);
4867 }
4868
4869 static bool ldapsam_search_groups(struct pdb_methods *methods,
4870 struct pdb_search *search)
4871 {
4872 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4873 }
4874
4875 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4876 struct pdb_search *search,
4877 const DOM_SID *sid)
4878 {
4879 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4880 }
4881
4882 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4883 {
4884 return PDB_CAP_STORE_RIDS;
4885 }
4886
4887 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4888 uint32 *rid)
4889 {
4890 struct smbldap_state *smbldap_state = priv->smbldap_state;
4891
4892 LDAPMessage *result = NULL;
4893 LDAPMessage *entry = NULL;
4894 LDAPMod **mods = NULL;
4895 NTSTATUS status;
4896 char *value;
4897 int rc;
4898 uint32 nextRid = 0;
4899 const char *dn;
4900
4901 TALLOC_CTX *mem_ctx;
4902
4903 mem_ctx = talloc_new(NULL);
4904 if (mem_ctx == NULL) {
4905 DEBUG(0, ("talloc_new failed\n"));
4906 return NT_STATUS_NO_MEMORY;
4907 }
4908
4909 status = smbldap_search_domain_info(smbldap_state, &result,
4910 get_global_sam_name(), False);
4911 if (!NT_STATUS_IS_OK(status)) {
4912 DEBUG(3, ("Could not get domain info: %s\n",
4913 nt_errstr(status)));
4914 goto done;
4915 }
4916
4917 talloc_autofree_ldapmsg(mem_ctx, result);
4918
4919 entry = ldap_first_entry(priv2ld(priv), result);
4920 if (entry == NULL) {
4921 DEBUG(0, ("Could not get domain info entry\n"));
4922 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4923 goto done;
4924 }
4925
4926 /* Find the largest of the three attributes "sambaNextRid",
4927 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4928 concept of differentiating between user and group rids, and will
4929 use only "sambaNextRid" in the future. But for compatibility
4930 reasons I look if others have chosen different strategies -- VL */
4931
4932 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4933 "sambaNextRid", mem_ctx);
4934 if (value != NULL) {
4935 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4936 nextRid = MAX(nextRid, tmp);
4937 }
4938
4939 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4940 "sambaNextUserRid", mem_ctx);
4941 if (value != NULL) {
4942 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4943 nextRid = MAX(nextRid, tmp);
4944 }
4945
4946 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4947 "sambaNextGroupRid", mem_ctx);
4948 if (value != NULL) {
4949 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4950 nextRid = MAX(nextRid, tmp);
4951 }
4952
4953 if (nextRid == 0) {
4954 nextRid = BASE_RID-1;
4955 }
4956
4957 nextRid += 1;
4958
4959 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4960 talloc_asprintf(mem_ctx, "%d", nextRid));
4961 talloc_autofree_ldapmod(mem_ctx, mods);
4962
4963 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4964 status = NT_STATUS_NO_MEMORY;
4965 goto done;
4966 }
4967
4968 rc = smbldap_modify(smbldap_state, dn, mods);
4969
4970 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4971 * please retry" */
4972
4973 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4974
4975 done:
4976 if (NT_STATUS_IS_OK(status)) {
4977 *rid = nextRid;
4978 }
4979
4980 TALLOC_FREE(mem_ctx);
4981 return status;
4982 }
4983
4984 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4985 {
4986 int i;
4987
4988 for (i=0; i<10; i++) {
4989 NTSTATUS result = ldapsam_get_new_rid(
4990 (struct ldapsam_privates *)methods->private_data, rid);
4991 if (NT_STATUS_IS_OK(result)) {
4992 return result;
4993 }
4994
4995 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4996 return result;
4997 }
4998
4999 /* The ldap update failed (maybe a race condition), retry */
5000 }
5001
5002 /* Tried 10 times, fail. */
5003 return NT_STATUS_ACCESS_DENIED;
5004 }
5005
5006 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
5007 {
5008 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5009 return NT_STATUS_IS_OK(result) ? True : False;
5010 }
5011
5012 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5013 const DOM_SID *sid,
5014 union unid_t *id, enum lsa_SidType *type)
5015 {
5016 struct ldapsam_privates *priv =
5017 (struct ldapsam_privates *)methods->private_data;
5018 char *filter;
5019 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5020 NULL };
5021 LDAPMessage *result = NULL;
5022 LDAPMessage *entry = NULL;
5023 bool ret = False;
5024 char *value;
5025 int rc;
5026
5027 TALLOC_CTX *mem_ctx;
5028
5029 mem_ctx = talloc_new(NULL);
5030 if (mem_ctx == NULL) {
5031 DEBUG(0, ("talloc_new failed\n"));
5032 return False;
5033 }
5034
5035 filter = talloc_asprintf(mem_ctx,
5036 "(&(sambaSid=%s)"
5037 "(|(objectClass=%s)(objectClass=%s)))",
5038 sid_string_talloc(mem_ctx, sid),
5039 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5040 if (filter == NULL) {
5041 DEBUG(5, ("talloc_asprintf failed\n"));
5042 goto done;
5043 }
5044
5045 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5046 attrs, &result);
5047 if (rc != LDAP_SUCCESS) {
5048 goto done;
5049 }
5050 talloc_autofree_ldapmsg(mem_ctx, result);
5051
5052 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5053 DEBUG(10, ("Got %d entries, expected one\n",
5054 ldap_count_entries(priv2ld(priv), result)));
5055 goto done;
5056 }
5057
5058 entry = ldap_first_entry(priv2ld(priv), result);
5059
5060 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5061 "sambaGroupType", mem_ctx);
5062
5063 if (value != NULL) {
5064 const char *gid_str;
5065 /* It's a group */
5066
5067 gid_str = smbldap_talloc_single_attribute(
5068 priv2ld(priv), entry, "gidNumber", mem_ctx);
5069 if (gid_str == NULL) {
5070 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5071 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5072 entry)));
5073 goto done;
5074 }
5075
5076 id->gid = strtoul(gid_str, NULL, 10);
5077 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5078 store_gid_sid_cache(sid, id->gid);
5079 idmap_cache_set_sid2gid(sid, id->gid);
5080 ret = True;
5081 goto done;
5082 }
5083
5084 /* It must be a user */
5085
5086 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5087 "uidNumber", mem_ctx);
5088 if (value == NULL) {
5089 DEBUG(1, ("Could not find uidNumber in %s\n",
5090 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5091 goto done;
5092 }
5093
5094 id->uid = strtoul(value, NULL, 10);
5095 *type = SID_NAME_USER;
5096 store_uid_sid_cache(sid, id->uid);
5097 idmap_cache_set_sid2uid(sid, id->uid);
5098
5099 ret = True;
5100 done:
5101 TALLOC_FREE(mem_ctx);
5102 return ret;
5103 }
5104
5105 /**
5106 * Find the SID for a uid.
5107 * This is shortcut is only used if ldapsam:trusted is set to true.
5108 */
5109 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5110 DOM_SID *sid)
5111 {
5112 struct ldapsam_privates *priv =
5113 (struct ldapsam_privates *)methods->private_data;
5114 char *filter;
5115 const char *attrs[] = { "sambaSID", NULL };
5116 LDAPMessage *result = NULL;
5117 LDAPMessage *entry = NULL;
5118 bool ret = false;
5119 char *user_sid_string;
5120 struct dom_sid user_sid;
5121 int rc;
5122 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5123
5124 filter = talloc_asprintf(tmp_ctx,
5125 "(&(uidNumber=%u)"
5126 "(objectClass=%s)"
5127 "(objectClass=%s))",
5128 (unsigned int)uid,
5129 LDAP_OBJ_POSIXACCOUNT,
5130 LDAP_OBJ_SAMBASAMACCOUNT);
5131 if (filter == NULL) {
5132 DEBUG(3, ("talloc_asprintf failed\n"));
5133 goto done;
5134 }
5135
5136 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5137 if (rc != LDAP_SUCCESS) {
5138 goto done;
5139 }
5140 talloc_autofree_ldapmsg(tmp_ctx, result);
5141
5142 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5143 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5144 ldap_count_entries(priv2ld(priv), result),
5145 (unsigned int)uid));
5146 goto done;
5147 }
5148
5149 entry = ldap_first_entry(priv2ld(priv), result);
5150
5151 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5152 "sambaSID", tmp_ctx);
5153 if (user_sid_string == NULL) {
5154 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5155 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5156 goto done;
5157 }
5158
5159 if (!string_to_sid(&user_sid, user_sid_string)) {
5160 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5161 user_sid_string));
5162 goto done;
5163 }
5164
5165 sid_copy(sid, &user_sid);
5166
5167 store_uid_sid_cache(sid, uid);
5168 idmap_cache_set_sid2uid(sid, uid);
5169
5170 ret = true;
5171
5172 done:
5173 TALLOC_FREE(tmp_ctx);
5174 return ret;
5175 }
5176
5177 /**
5178 * Find the SID for a gid.
5179 * This is shortcut is only used if ldapsam:trusted is set to true.
5180 */
5181 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5182 DOM_SID *sid)
5183 {
5184 struct ldapsam_privates *priv =
5185 (struct ldapsam_privates *)methods->private_data;
5186 char *filter;
5187 const char *attrs[] = { "sambaSID", NULL };
5188 LDAPMessage *result = NULL;
5189 LDAPMessage *entry = NULL;
5190 bool ret = false;
5191 char *group_sid_string;
5192 DOM_SID group_sid;
5193 int rc;
5194 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5195
5196 filter = talloc_asprintf(tmp_ctx,
5197 "(&(gidNumber=%u)"
5198 "(objectClass=%s))",
5199 (unsigned int)gid,
5200 LDAP_OBJ_GROUPMAP);
5201 if (filter == NULL) {
5202 DEBUG(3, ("talloc_asprintf failed\n"));
5203 goto done;
5204 }
5205
5206 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5207 if (rc != LDAP_SUCCESS) {
5208 goto done;
5209 }
5210 talloc_autofree_ldapmsg(tmp_ctx, result);
5211
5212 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5213 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5214 ldap_count_entries(priv2ld(priv), result),
5215 (unsigned int)gid));
5216 goto done;
5217 }
5218
5219 entry = ldap_first_entry(priv2ld(priv), result);
5220
5221 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5222 "sambaSID", tmp_ctx);
5223 if (group_sid_string == NULL) {
5224 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5225 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5226 goto done;
5227 }
5228
5229 if (!string_to_sid(&group_sid, group_sid_string)) {
5230 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5231 group_sid_string));
5232 goto done;
5233 }
5234
5235 sid_copy(sid, &group_sid);
5236
5237 store_gid_sid_cache(sid, gid);
5238 idmap_cache_set_sid2gid(sid, gid);
5239
5240 ret = true;
5241
5242 done:
5243 TALLOC_FREE(tmp_ctx);
5244 return ret;
5245 }
5246
5247
5248 /*
5249 * The following functions are called only if
5250 * ldapsam:trusted and ldapsam:editposix are
5251 * set to true
5252 */
5253
5254 /*
5255 * ldapsam_create_user creates a new
5256 * posixAccount and sambaSamAccount object
5257 * in the ldap users subtree
5258 *
5259 * The uid is allocated by winbindd.
5260 */
5261
5262 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5263 TALLOC_CTX *tmp_ctx, const char *name,
5264 uint32 acb_info, uint32 *rid)
5265 {
5266 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5267 LDAPMessage *entry = NULL;
5268 LDAPMessage *result = NULL;
5269 uint32 num_result;
5270 bool is_machine = False;
5271 bool add_posix = False;
5272 LDAPMod **mods = NULL;
5273 struct samu *user;
5274 char *filter;
5275 char *username;
5276 char *homedir;
5277 char *gidstr;
5278 char *uidstr;
5279 char *shell;
5280 const char *dn = NULL;
5281 DOM_SID group_sid;
5282 DOM_SID user_sid;
5283 gid_t gid = -1;
5284 uid_t uid = -1;
5285 NTSTATUS ret;
5286 int rc;
5287
5288 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5289 acb_info & ACB_WSTRUST ||
5290 acb_info & ACB_SVRTRUST ||
5291 acb_info & ACB_DOMTRUST) {
5292 is_machine = True;
5293 }
5294
5295 username = escape_ldap_string(talloc_tos(), name);
5296 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5297 username, LDAP_OBJ_POSIXACCOUNT);
5298 TALLOC_FREE(username);
5299
5300 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5301 if (rc != LDAP_SUCCESS) {
5302 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5303 return NT_STATUS_ACCESS_DENIED;
5304 }
5305 talloc_autofree_ldapmsg(tmp_ctx, result);
5306
5307 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5308
5309 if (num_result > 1) {
5310 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5311 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5312 }
5313
5314 if (num_result == 1) {
5315 char *tmp;
5316 /* check if it is just a posix account.
5317 * or if there is a sid attached to this entry
5318 */
5319
5320 entry = ldap_first_entry(priv2ld(ldap_state), result);
5321 if (!entry) {
5322 return NT_STATUS_UNSUCCESSFUL;
5323 }
5324
5325 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5326 if (tmp) {
5327 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5328 return NT_STATUS_USER_EXISTS;
5329 }
5330
5331 /* it is just a posix account, retrieve the dn for later use */
5332 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5333 if (!dn) {
5334 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5335 return NT_STATUS_NO_MEMORY;
5336 }
5337 }
5338
5339 if (num_result == 0) {
5340 add_posix = True;
5341 }
5342
5343 /* Create the basic samu structure and generate the mods for the ldap commit */
5344 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5345 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5346 return ret;
5347 }
5348
5349 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5350
5351 user = samu_new(tmp_ctx);
5352 if (!user) {
5353 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5354 return NT_STATUS_NO_MEMORY;
5355 }
5356
5357 if (!pdb_set_username(user, name, PDB_SET)) {
5358 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5359 return NT_STATUS_UNSUCCESSFUL;
5360 }
5361 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5362 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5363 return NT_STATUS_UNSUCCESSFUL;
5364 }
5365 if (is_machine) {
5366 if (acb_info & ACB_NORMAL) {
5367 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5368 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5369 return NT_STATUS_UNSUCCESSFUL;
5370 }
5371 } else {
5372 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5373 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5374 return NT_STATUS_UNSUCCESSFUL;
5375 }
5376 }
5377 } else {
5378 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5379 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5380 return NT_STATUS_UNSUCCESSFUL;
5381 }
5382 }
5383
5384 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5385 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5386 return NT_STATUS_UNSUCCESSFUL;
5387 }
5388
5389 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5390 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5391 return NT_STATUS_UNSUCCESSFUL;
5392 }
5393
5394 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5395 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5396 }
5397 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5398
5399 if (add_posix) {
5400 char *escape_name;
5401
5402 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5403
5404 /* retrieve the Domain Users group gid */
5405 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
5406 !sid_to_gid(&group_sid, &gid)) {
5407 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5408 return NT_STATUS_INVALID_PRIMARY_GROUP;
5409 }
5410
5411 /* lets allocate a new userid for this user */
5412 if (!winbind_allocate_uid(&uid)) {
5413 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5414 return NT_STATUS_UNSUCCESSFUL;
5415 }
5416
5417
5418 if (is_machine) {
5419 /* TODO: choose a more appropriate default for machines */
5420 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5421 shell = talloc_strdup(tmp_ctx, "/bin/false");
5422 } else {
5423 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5424 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5425 }
5426 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5427 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5428
5429 escape_name = escape_rdn_val_string_alloc(name);
5430 if (!escape_name) {
5431 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5432 return NT_STATUS_NO_MEMORY;
5433 }
5434
5435 if (is_machine) {
5436 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5437 } else {
5438 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5439 }
5440
5441 SAFE_FREE(escape_name);
5442
5443 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5444 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5445 return NT_STATUS_NO_MEMORY;
5446 }
5447
5448 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5450 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5452 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5453 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5454 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5455 }
5456
5457 talloc_autofree_ldapmod(tmp_ctx, mods);
5458
5459 if (add_posix) {
5460 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5461 } else {
5462 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5463 }
5464
5465 if (rc != LDAP_SUCCESS) {
5466 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5467 return NT_STATUS_UNSUCCESSFUL;
5468 }
5469
5470 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5471
5472 flush_pwnam_cache();
5473
5474 return NT_STATUS_OK;
5475 }
5476
5477 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5478 {
5479 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5480 LDAPMessage *result = NULL;
5481 LDAPMessage *entry = NULL;
5482 int num_result;
5483 const char *dn;
5484 char *filter;
5485 int rc;
5486
5487 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5488
5489 filter = talloc_asprintf(tmp_ctx,
5490 "(&(uid=%s)"
5491 "(objectClass=%s)"
5492 "(objectClass=%s))",
5493 pdb_get_username(sam_acct),
5494 LDAP_OBJ_POSIXACCOUNT,
5495 LDAP_OBJ_SAMBASAMACCOUNT);
5496 if (filter == NULL) {
5497 return NT_STATUS_NO_MEMORY;
5498 }
5499
5500 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5501 if (rc != LDAP_SUCCESS) {
5502 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5503 return NT_STATUS_UNSUCCESSFUL;
5504 }
5505 talloc_autofree_ldapmsg(tmp_ctx, result);
5506
5507 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5508
5509 if (num_result == 0) {
5510 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5511 return NT_STATUS_NO_SUCH_USER;
5512 }
5513
5514 if (num_result > 1) {
5515 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5516 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5517 }
5518
5519 entry = ldap_first_entry(priv2ld(ldap_state), result);
5520 if (!entry) {
5521 return NT_STATUS_UNSUCCESSFUL;
5522 }
5523
5524 /* it is just a posix account, retrieve the dn for later use */
5525 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5526 if (!dn) {
5527 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5528 return NT_STATUS_NO_MEMORY;
5529 }
5530
5531 /* try to remove memberships first */
5532 {
5533 NTSTATUS status;
5534 struct dom_sid *sids = NULL;
5535 gid_t *gids = NULL;
5536 size_t num_groups = 0;
5537 int i;
5538 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5539
5540 status = ldapsam_enum_group_memberships(my_methods,
5541 tmp_ctx,
5542 sam_acct,
5543 &sids,
5544 &gids,
5545 &num_groups);
5546 if (!NT_STATUS_IS_OK(status)) {
5547 goto delete_dn;
5548 }
5549
5550 for (i=0; i < num_groups; i++) {
5551
5552 uint32_t group_rid;
5553
5554 sid_peek_rid(&sids[i], &group_rid);
5555
5556 ldapsam_del_groupmem(my_methods,
5557 tmp_ctx,
5558 group_rid,
5559 user_rid);
5560 }
5561 }
5562
5563 delete_dn:
5564
5565 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5566 if (rc != LDAP_SUCCESS) {
5567 return NT_STATUS_UNSUCCESSFUL;
5568 }
5569
5570 flush_pwnam_cache();
5571
5572 return NT_STATUS_OK;
5573 }
5574
5575 /*
5576 * ldapsam_create_group creates a new
5577 * posixGroup and sambaGroupMapping object
5578 * in the ldap groups subtree
5579 *
5580 * The gid is allocated by winbindd.
5581 */
5582
5583 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5584 TALLOC_CTX *tmp_ctx,
5585 const char *name,
5586 uint32 *rid)
5587 {
5588 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5589 NTSTATUS ret;
5590 LDAPMessage *entry = NULL;
5591 LDAPMessage *result = NULL;
5592 uint32 num_result;
5593 bool is_new_entry = False;
5594 LDAPMod **mods = NULL;
5595 char *filter;
5596 char *groupsidstr;
5597 char *groupname;
5598 char *grouptype;
5599 char *gidstr;
5600 const char *dn = NULL;
5601 DOM_SID group_sid;
5602 gid_t gid = -1;
5603 int rc;
5604
5605 groupname = escape_ldap_string(talloc_tos(), name);
5606 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5607 groupname, LDAP_OBJ_POSIXGROUP);
5608 TALLOC_FREE(groupname);
5609
5610 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5611 if (rc != LDAP_SUCCESS) {
5612 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5613 return NT_STATUS_UNSUCCESSFUL;
5614 }
5615 talloc_autofree_ldapmsg(tmp_ctx, result);
5616
5617 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5618
5619 if (num_result > 1) {
5620 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5621 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5622 }
5623
5624 if (num_result == 1) {
5625 char *tmp;
5626 /* check if it is just a posix group.
5627 * or if there is a sid attached to this entry
5628 */
5629
5630 entry = ldap_first_entry(priv2ld(ldap_state), result);
5631 if (!entry) {
5632 return NT_STATUS_UNSUCCESSFUL;
5633 }
5634
5635 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5636 if (tmp) {
5637 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5638 return NT_STATUS_GROUP_EXISTS;
5639 }
5640
5641 /* it is just a posix group, retrieve the gid and the dn for later use */
5642 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5643 if (!tmp) {
5644 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5645 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5646 }
5647
5648 gid = strtoul(tmp, NULL, 10);
5649
5650 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5651 if (!dn) {
5652 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5653 return NT_STATUS_NO_MEMORY;
5654 }
5655 }
5656
5657 if (num_result == 0) {
5658 char *escape_name;
5659
5660 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5661
5662 is_new_entry = True;
5663
5664 /* lets allocate a new groupid for this group */
5665 if (!winbind_allocate_gid(&gid)) {
5666 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5667 return NT_STATUS_UNSUCCESSFUL;
5668 }
5669
5670 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5671
5672 escape_name = escape_rdn_val_string_alloc(name);
5673 if (!escape_name) {
5674 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5675 return NT_STATUS_NO_MEMORY;
5676 }
5677
5678 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5679
5680 SAFE_FREE(escape_name);
5681
5682 if (!gidstr || !dn) {
5683 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5684 return NT_STATUS_NO_MEMORY;
5685 }
5686
5687 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5688 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5689 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5690 }
5691
5692 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5693 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5694 return ret;
5695 }
5696
5697 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5698
5699 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5700 &group_sid));
5701 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5702
5703 if (!groupsidstr || !grouptype) {
5704 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5705 return NT_STATUS_NO_MEMORY;
5706 }
5707
5708 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5709 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5710 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5711 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5712 talloc_autofree_ldapmod(tmp_ctx, mods);
5713
5714 if (is_new_entry) {
5715 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5716 #if 0
5717 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5718 /* This call may fail with rfc2307bis schema */
5719 /* Retry adding a structural class */
5720 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5721 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5722 }
5723 #endif
5724 } else {
5725 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5726 }
5727
5728 if (rc != LDAP_SUCCESS) {
5729 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5730 return NT_STATUS_UNSUCCESSFUL;
5731 }
5732
5733 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5734
5735 return NT_STATUS_OK;
5736 }
5737
5738 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5739 {
5740 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5741 LDAPMessage *result = NULL;
5742 LDAPMessage *entry = NULL;
5743 int num_result;
5744 const char *dn;
5745 char *gidstr;
5746 char *filter;
5747 DOM_SID group_sid;
5748 int rc;
5749
5750 /* get the group sid */
5751 sid_compose(&group_sid, get_global_sam_sid(), rid);
5752
5753 filter = talloc_asprintf(tmp_ctx,
5754 "(&(sambaSID=%s)"
5755 "(objectClass=%s)"
5756 "(objectClass=%s))",
5757 sid_string_talloc(tmp_ctx, &group_sid),
5758 LDAP_OBJ_POSIXGROUP,
5759 LDAP_OBJ_GROUPMAP);
5760 if (filter == NULL) {
5761 return NT_STATUS_NO_MEMORY;
5762 }
5763
5764 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5765 if (rc != LDAP_SUCCESS) {
5766 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5767 return NT_STATUS_UNSUCCESSFUL;
5768 }
5769 talloc_autofree_ldapmsg(tmp_ctx, result);
5770
5771 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5772
5773 if (num_result == 0) {
5774 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5775 return NT_STATUS_NO_SUCH_GROUP;
5776 }
5777
5778 if (num_result > 1) {
5779 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5780 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5781 }
5782
5783 entry = ldap_first_entry(priv2ld(ldap_state), result);
5784 if (!entry) {
5785 return NT_STATUS_UNSUCCESSFUL;
5786 }
5787
5788 /* here it is, retrieve the dn for later use */
5789 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5790 if (!dn) {
5791 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5792 return NT_STATUS_NO_MEMORY;
5793 }
5794
5795 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5796 if (!gidstr) {
5797 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5798 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5799 }
5800
5801 /* check no user have this group marked as primary group */
5802 filter = talloc_asprintf(tmp_ctx,
5803 "(&(gidNumber=%s)"
5804 "(objectClass=%s)"
5805 "(objectClass=%s))",
5806 gidstr,
5807 LDAP_OBJ_POSIXACCOUNT,
5808 LDAP_OBJ_SAMBASAMACCOUNT);
5809
5810 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5811 if (rc != LDAP_SUCCESS) {
5812 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5813 return NT_STATUS_UNSUCCESSFUL;
5814 }
5815 talloc_autofree_ldapmsg(tmp_ctx, result);
5816
5817 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5818
5819 if (num_result != 0) {
5820 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5821 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5822 }
5823
5824 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5825 if (rc != LDAP_SUCCESS) {
5826 return NT_STATUS_UNSUCCESSFUL;
5827 }
5828
5829 return NT_STATUS_OK;
5830 }
5831
5832 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5833 TALLOC_CTX *tmp_ctx,
5834 uint32 group_rid,
5835 uint32 member_rid,
5836 int modop)
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 *uidstr;
5845 const char *dn = NULL;
5846 DOM_SID group_sid;
5847 DOM_SID member_sid;
5848 int rc;
5849
5850 switch (modop) {
5851 case LDAP_MOD_ADD:
5852 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5853 break;
5854 case LDAP_MOD_DELETE:
5855 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5856 break;
5857 default:
5858 return NT_STATUS_UNSUCCESSFUL;
5859 }
5860
5861 /* get member sid */
5862 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5863
5864 /* get the group sid */
5865 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5866
5867 filter = talloc_asprintf(tmp_ctx,
5868 "(&(sambaSID=%s)"
5869 "(objectClass=%s)"
5870 "(objectClass=%s))",
5871 sid_string_talloc(tmp_ctx, &member_sid),
5872 LDAP_OBJ_POSIXACCOUNT,
5873 LDAP_OBJ_SAMBASAMACCOUNT);
5874 if (filter == NULL) {
5875 return NT_STATUS_NO_MEMORY;
5876 }
5877
5878 /* get the member uid */
5879 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5880 if (rc != LDAP_SUCCESS) {
5881 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5882 return NT_STATUS_UNSUCCESSFUL;
5883 }
5884 talloc_autofree_ldapmsg(tmp_ctx, result);
5885
5886 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5887
5888 if (num_result == 0) {
5889 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5890 return NT_STATUS_NO_SUCH_MEMBER;
5891 }
5892
5893 if (num_result > 1) {
5894 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5895 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5896 }
5897
5898 entry = ldap_first_entry(priv2ld(ldap_state), result);
5899 if (!entry) {
5900 return NT_STATUS_UNSUCCESSFUL;
5901 }
5902
5903 if (modop == LDAP_MOD_DELETE) {
5904 /* check if we are trying to remove the member from his primary group */
5905 char *gidstr;
5906 gid_t user_gid, group_gid;
5907
5908 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5909 if (!gidstr) {
5910 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5911 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5912 }
5913
5914 user_gid = strtoul(gidstr, NULL, 10);
5915
5916 if (!sid_to_gid(&group_sid, &group_gid)) {
5917 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5918 return NT_STATUS_UNSUCCESSFUL;
5919 }
5920
5921 if (user_gid == group_gid) {
5922 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5923 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5924 }
5925 }
5926
5927 /* here it is, retrieve the uid for later use */
5928 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5929 if (!uidstr) {
5930 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5931 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5932 }
5933
5934 filter = talloc_asprintf(tmp_ctx,
5935 "(&(sambaSID=%s)"
5936 "(objectClass=%s)"
5937 "(objectClass=%s))",
5938 sid_string_talloc(tmp_ctx, &group_sid),
5939 LDAP_OBJ_POSIXGROUP,
5940 LDAP_OBJ_GROUPMAP);
5941
5942 /* get the group */
5943 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5944 if (rc != LDAP_SUCCESS) {
5945 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5946 return NT_STATUS_UNSUCCESSFUL;
5947 }
5948 talloc_autofree_ldapmsg(tmp_ctx, result);
5949
5950 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5951
5952 if (num_result == 0) {
5953 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5954 return NT_STATUS_NO_SUCH_GROUP;
5955 }
5956
5957 if (num_result > 1) {
5958 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5959 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5960 }
5961
5962 entry = ldap_first_entry(priv2ld(ldap_state), result);
5963 if (!entry) {
5964 return NT_STATUS_UNSUCCESSFUL;
5965 }
5966
5967 /* here it is, retrieve the dn for later use */
5968 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5969 if (!dn) {
5970 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5971 return NT_STATUS_NO_MEMORY;
5972 }
5973
5974 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5975
5976 talloc_autofree_ldapmod(tmp_ctx, mods);
5977
5978 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5979 if (rc != LDAP_SUCCESS) {
5980 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5981 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5982 return NT_STATUS_MEMBER_IN_GROUP;
5983 }
5984 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5985 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5986 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5987 }
5988 return NT_STATUS_UNSUCCESSFUL;
5989 }
5990
5991 return NT_STATUS_OK;
5992 }
5993
5994 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5995 TALLOC_CTX *tmp_ctx,
5996 uint32 group_rid,
5997 uint32 member_rid)
5998 {
5999 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6000 }
6001 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6002 TALLOC_CTX *tmp_ctx,
6003 uint32 group_rid,
6004 uint32 member_rid)
6005 {
6006 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6007 }
6008
6009 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6010 TALLOC_CTX *mem_ctx,
6011 struct samu *sampass)
6012 {
6013 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6014 LDAPMessage *entry = NULL;
6015 LDAPMessage *result = NULL;
6016 uint32 num_result;
6017 LDAPMod **mods = NULL;
6018 char *filter;
6019 char *escape_username;
6020 char *gidstr;
6021 const char *dn = NULL;
6022 gid_t gid;
6023 int rc;
6024
6025 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6026
6027 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6028 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6029 return NT_STATUS_UNSUCCESSFUL;
6030 }
6031 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6032 if (!gidstr) {
6033 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6034 return NT_STATUS_NO_MEMORY;
6035 }
6036
6037 escape_username = escape_ldap_string(talloc_tos(),
6038 pdb_get_username(sampass));
6039 if (escape_username== NULL) {
6040 return NT_STATUS_NO_MEMORY;
6041 }
6042
6043 filter = talloc_asprintf(mem_ctx,
6044 "(&(uid=%s)"
6045 "(objectClass=%s)"
6046 "(objectClass=%s))",
6047 escape_username,
6048 LDAP_OBJ_POSIXACCOUNT,
6049 LDAP_OBJ_SAMBASAMACCOUNT);
6050
6051 TALLOC_FREE(escape_username);
6052
6053 if (filter == NULL) {
6054 return NT_STATUS_NO_MEMORY;
6055 }
6056
6057 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6058 if (rc != LDAP_SUCCESS) {
6059 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6060 return NT_STATUS_UNSUCCESSFUL;
6061 }
6062 talloc_autofree_ldapmsg(mem_ctx, result);
6063
6064 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6065
6066 if (num_result == 0) {
6067 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6068 return NT_STATUS_NO_SUCH_USER;
6069 }
6070
6071 if (num_result > 1) {
6072 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6073 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6074 }
6075
6076 entry = ldap_first_entry(priv2ld(ldap_state), result);
6077 if (!entry) {
6078 return NT_STATUS_UNSUCCESSFUL;
6079 }
6080
6081 /* retrieve the dn for later use */
6082 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6083 if (!dn) {
6084 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6085 return NT_STATUS_NO_MEMORY;
6086 }
6087
6088 /* remove the old one, and add the new one, this way we do not risk races */
6089 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6090
6091 if (mods == NULL) {
6092 return NT_STATUS_OK;
6093 }
6094
6095 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6096
6097 if (rc != LDAP_SUCCESS) {
6098 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6099 pdb_get_username(sampass), gidstr));
6100 return NT_STATUS_UNSUCCESSFUL;
6101 }
6102
6103 flush_pwnam_cache();
6104
6105 return NT_STATUS_OK;
6106 }
6107
6108
6109 /**********************************************************************
6110 trusted domains functions
6111 *********************************************************************/
6112
6113 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6114 const char *domain)
6115 {
6116 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6117 ldap_state->domain_dn);
6118 }
6119
6120 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6121 TALLOC_CTX *mem_ctx,
6122 const char *domain, LDAPMessage **entry)
6123 {
6124 int rc;
6125 char *filter;
6126 int scope = LDAP_SCOPE_SUBTREE;
6127 const char **attrs = NULL; /* NULL: get all attrs */
6128 int attrsonly = 0; /* 0: return values too */
6129 LDAPMessage *result = NULL;
6130 char *trusted_dn;
6131 uint32 num_result;
6132
6133 filter = talloc_asprintf(talloc_tos(),
6134 "(&(objectClass=%s)(sambaDomainName=%s))",
6135 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6136
6137 trusted_dn = trusteddom_dn(ldap_state, domain);
6138 if (trusted_dn == NULL) {
6139 return False;
6140 }
6141 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6142 filter, attrs, attrsonly, &result);
6143
6144 if (result != NULL) {
6145 talloc_autofree_ldapmsg(mem_ctx, result);
6146 }
6147
6148 if (rc == LDAP_NO_SUCH_OBJECT) {
6149 *entry = NULL;
6150 return True;
6151 }
6152
6153 if (rc != LDAP_SUCCESS) {
6154 return False;
6155 }
6156
6157 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6158
6159 if (num_result > 1) {
6160 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6161 "%s object for domain '%s'?!\n",
6162 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6163 return False;
6164 }
6165
6166 if (num_result == 0) {
6167 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6168 "%s object for domain %s.\n",
6169 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6170 *entry = NULL;
6171 } else {
6172 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6173 }
6174
6175 return True;
6176 }
6177
6178 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6179 const char *domain,
6180 char** pwd,
6181 DOM_SID *sid,
6182 time_t *pass_last_set_time)
6183 {
6184 struct ldapsam_privates *ldap_state =
6185 (struct ldapsam_privates *)methods->private_data;
6186 LDAPMessage *entry = NULL;
6187
6188 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6189
6190 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6191 (entry == NULL))
6192 {
6193 return False;
6194 }
6195
6196 /* password */
6197 if (pwd != NULL) {
6198 char *pwd_str;
6199 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6200 entry, "sambaClearTextPassword", talloc_tos());
6201 if (pwd_str == NULL) {
6202 return False;
6203 }
6204 /* trusteddom_pw routines do not use talloc yet... */
6205 *pwd = SMB_STRDUP(pwd_str);
6206 if (*pwd == NULL) {
6207 return False;
6208 }
6209 }
6210
6211 /* last change time */
6212 if (pass_last_set_time != NULL) {
6213 char *time_str;
6214 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6215 entry, "sambaPwdLastSet", talloc_tos());
6216 if (time_str == NULL) {
6217 return False;
6218 }
6219 *pass_last_set_time = (time_t)atol(time_str);
6220 }
6221
6222 /* domain sid */
6223 if (sid != NULL) {
6224 char *sid_str;
6225 struct dom_sid dom_sid;
6226 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6227 entry, "sambaSID",
6228 talloc_tos());
6229 if (sid_str == NULL) {
6230 return False;
6231 }
6232 if (!string_to_sid(&dom_sid, sid_str)) {
6233 return False;
6234 }
6235 sid_copy(sid, &dom_sid);
6236 }
6237
6238 return True;
6239 }
6240
6241 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6242 const char* domain,
6243 const char* pwd,
6244 const DOM_SID *sid)
6245 {
6246 struct ldapsam_privates *ldap_state =
6247 (struct ldapsam_privates *)methods->private_data;
6248 LDAPMessage *entry = NULL;
6249 LDAPMod **mods = NULL;
6250 char *prev_pwd = NULL;
6251 char *trusted_dn = NULL;
6252 int rc;
6253
6254 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6255
6256 /*
6257 * get the current entry (if there is one) in order to put the
6258 * current password into the previous password attribute
6259 */
6260 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6261 return False;
6262 }
6263
6264 mods = NULL;
6265 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6266 LDAP_OBJ_TRUSTDOM_PASSWORD);
6267 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6268 domain);
6269 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6270 sid_string_tos(sid));
6271 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6272 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6273 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6274 "sambaClearTextPassword", pwd);
6275
6276 if (entry != NULL) {
6277 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6278 entry, "sambaClearTextPassword", talloc_tos());
6279 if (prev_pwd != NULL) {
6280 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6281 "sambaPreviousClearTextPassword",
6282 prev_pwd);
6283 }
6284 }
6285
6286 talloc_autofree_ldapmod(talloc_tos(), mods);
6287
6288 trusted_dn = trusteddom_dn(ldap_state, domain);
6289 if (trusted_dn == NULL) {
6290 return False;
6291 }
6292 if (entry == NULL) {
6293 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6294 } else {
6295 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6296 }
6297
6298 if (rc != LDAP_SUCCESS) {
6299 DEBUG(1, ("error writing trusted domain password!\n"));
6300 return False;
6301 }
6302
6303 return True;
6304 }
6305
6306 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6307 const char *domain)
6308 {
6309 int rc;
6310 struct ldapsam_privates *ldap_state =
6311 (struct ldapsam_privates *)methods->private_data;
6312 LDAPMessage *entry = NULL;
6313 const char *trusted_dn;
6314
6315 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6316 return False;
6317 }
6318
6319 if (entry == NULL) {
6320 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6321 "%s\n", domain));
6322 return True;
6323 }
6324
6325 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6326 entry);
6327 if (trusted_dn == NULL) {
6328 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6329 return False;
6330 }
6331
6332 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6333 if (rc != LDAP_SUCCESS) {
6334 return False;
6335 }
6336
6337 return True;
6338 }
6339
6340 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6341 TALLOC_CTX *mem_ctx,
6342 uint32 *num_domains,
6343 struct trustdom_info ***domains)
6344 {
6345 int rc;
6346 struct ldapsam_privates *ldap_state =
6347 (struct ldapsam_privates *)methods->private_data;
6348 char *filter;
6349 int scope = LDAP_SCOPE_SUBTREE;
6350 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6351 int attrsonly = 0; /* 0: return values too */
6352 LDAPMessage *result = NULL;
6353 LDAPMessage *entry = NULL;
6354
6355 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6356 LDAP_OBJ_TRUSTDOM_PASSWORD);
6357
6358 rc = smbldap_search(ldap_state->smbldap_state,
6359 ldap_state->domain_dn,
6360 scope,
6361 filter,
6362 attrs,
6363 attrsonly,
6364 &result);
6365
6366 if (result != NULL) {
6367 talloc_autofree_ldapmsg(mem_ctx, result);
6368 }
6369
6370 if (rc != LDAP_SUCCESS) {
6371 return NT_STATUS_UNSUCCESSFUL;
6372 }
6373
6374 *num_domains = 0;
6375 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6376 DEBUG(1, ("talloc failed\n"));
6377 return NT_STATUS_NO_MEMORY;
6378 }
6379
6380 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6381 entry != NULL;
6382 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6383 {
6384 char *dom_name, *dom_sid_str;
6385 struct trustdom_info *dom_info;
6386
6387 dom_info = TALLOC_P(*domains, struct trustdom_info);
6388 if (dom_info == NULL) {
6389 DEBUG(1, ("talloc failed\n"));
6390 return NT_STATUS_NO_MEMORY;
6391 }
6392
6393 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6394 entry,
6395 "sambaDomainName",
6396 talloc_tos());
6397 if (dom_name == NULL) {
6398 DEBUG(1, ("talloc failed\n"));
6399 return NT_STATUS_NO_MEMORY;
6400 }
6401 dom_info->name = dom_name;
6402
6403 dom_sid_str = smbldap_talloc_single_attribute(
6404 priv2ld(ldap_state), entry, "sambaSID",
6405 talloc_tos());
6406 if (dom_sid_str == NULL) {
6407 DEBUG(1, ("talloc failed\n"));
6408 return NT_STATUS_NO_MEMORY;
6409 }
6410 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6411 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6412 dom_sid_str));
6413 return NT_STATUS_UNSUCCESSFUL;
6414 }
6415
6416 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6417 domains, num_domains);
6418
6419 if (*domains == NULL) {
6420 DEBUG(1, ("talloc failed\n"));
6421 return NT_STATUS_NO_MEMORY;
6422 }
6423 }
6424
6425 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6426 return NT_STATUS_OK;
6427 }
6428
6429
6430 /**********************************************************************
6431 Housekeeping
6432 *********************************************************************/
6433
6434 static void free_private_data(void **vp)
6435 {
6436 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6437
6438 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6439
6440 if ((*ldap_state)->result != NULL) {
6441 ldap_msgfree((*ldap_state)->result);
6442 (*ldap_state)->result = NULL;
6443 }
6444 if ((*ldap_state)->domain_dn != NULL) {
6445 SAFE_FREE((*ldap_state)->domain_dn);
6446 }
6447
6448 *ldap_state = NULL;
6449
6450 /* No need to free any further, as it is talloc()ed */
6451 }
6452
6453 /*********************************************************************
6454 Intitalise the parts of the pdb_methods structure that are common to
6455 all pdb_ldap modes
6456 *********************************************************************/
6457
6458 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6459 {
6460 NTSTATUS nt_status;
6461 struct ldapsam_privates *ldap_state;
6462
6463 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6464 return nt_status;
6465 }
6466
6467 (*pdb_method)->name = "ldapsam";
6468
6469 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6470 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6471 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6472 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6473 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6474 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6475
6476 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6477 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6478 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6479 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6480 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6481 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6482 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6483
6484 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6485 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6486
6487 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6488
6489 (*pdb_method)->capabilities = ldapsam_capabilities;
6490 (*pdb_method)->new_rid = ldapsam_new_rid;
6491
6492 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6493 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6494 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6495 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6496
6497 /* TODO: Setup private data and free */
6498
6499 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6500 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6501 return NT_STATUS_NO_MEMORY;
6502 }
6503
6504 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6505 location, &ldap_state->smbldap_state);
6506
6507 if ( !NT_STATUS_IS_OK(nt_status) ) {
6508 return nt_status;
6509 }
6510
6511 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6512 return NT_STATUS_NO_MEMORY;
6513 }
6514
6515 (*pdb_method)->private_data = ldap_state;
6516
6517 (*pdb_method)->free_private_data = free_private_data;
6518
6519 return NT_STATUS_OK;
6520 }
6521
6522 /**********************************************************************
6523 Initialise the 'compat' mode for pdb_ldap
6524 *********************************************************************/
6525
6526 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6527 {
6528 NTSTATUS nt_status;
6529 struct ldapsam_privates *ldap_state;
6530 char *uri = talloc_strdup( NULL, location );
6531
6532 trim_char( uri, '\"', '\"' );
6533 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6534 if ( uri )
6535 TALLOC_FREE( uri );
6536
6537 if ( !NT_STATUS_IS_OK(nt_status) ) {
6538 return nt_status;
6539 }
6540
6541 (*pdb_method)->name = "ldapsam_compat";
6542
6543 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6544 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6545
6546 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6547
6548 return NT_STATUS_OK;
6549 }
6550
6551 /**********************************************************************
6552 Initialise the normal mode for pdb_ldap
6553 *********************************************************************/
6554
6555 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6556 {
6557 NTSTATUS nt_status;
6558 struct ldapsam_privates *ldap_state = NULL;
6559 uint32 alg_rid_base;
6560 char *alg_rid_base_string = NULL;
6561 LDAPMessage *result = NULL;
6562 LDAPMessage *entry = NULL;
6563 DOM_SID ldap_domain_sid;
6564 DOM_SID secrets_domain_sid;
6565 char *domain_sid_string = NULL;
6566 char *dn = NULL;
6567 char *uri = talloc_strdup( NULL, location );
6568
6569 trim_char( uri, '\"', '\"' );
6570 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6571
6572 TALLOC_FREE(uri);
6573
6574 if (!NT_STATUS_IS_OK(nt_status)) {
6575 return nt_status;
6576 }
6577
6578 (*pdb_method)->name = "ldapsam";
6579
6580 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6581 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6582 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6583 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6584 (*pdb_method)->search_users = ldapsam_search_users;
6585 (*pdb_method)->search_groups = ldapsam_search_groups;
6586 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6587
6588 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6589 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6590 (*pdb_method)->enum_group_memberships =
6591 ldapsam_enum_group_memberships;
6592 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6593 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6594 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6595 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6596
6597 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6598 (*pdb_method)->create_user = ldapsam_create_user;
6599 (*pdb_method)->delete_user = ldapsam_delete_user;
6600 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6601 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6602 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6603 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6604 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6605 }
6606 }
6607
6608 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6609 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6610
6611 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6612
6613 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6614 &result,
6615 ldap_state->domain_name, True);
6616
6617 if ( !NT_STATUS_IS_OK(nt_status) ) {
6618 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6619 "info, nor add one to the domain\n"));
6620 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6621 "will be unable to allocate new users/groups, "
6622 "and will risk BDCs having inconsistant SIDs\n"));
6623 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6624 return NT_STATUS_OK;
6625 }
6626
6627 /* Given that the above might fail, everything below this must be
6628 * optional */
6629
6630 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6631 result);
6632 if (!entry) {
6633 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6634 "entry\n"));
6635 ldap_msgfree(result);
6636 return NT_STATUS_UNSUCCESSFUL;
6637 }
6638
6639 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6640 if (!dn) {
6641 ldap_msgfree(result);
6642 return NT_STATUS_UNSUCCESSFUL;
6643 }
6644
6645 ldap_state->domain_dn = smb_xstrdup(dn);
6646 TALLOC_FREE(dn);
6647
6648 domain_sid_string = smbldap_talloc_single_attribute(
6649 ldap_state->smbldap_state->ldap_struct,
6650 entry,
6651 get_userattr_key2string(ldap_state->schema_ver,
6652 LDAP_ATTR_USER_SID),
6653 talloc_tos());
6654
6655 if (domain_sid_string) {
6656 bool found_sid;
6657 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6658 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6659 "read as a valid SID\n", domain_sid_string));
6660 ldap_msgfree(result);
6661 TALLOC_FREE(domain_sid_string);
6662 return NT_STATUS_INVALID_PARAMETER;
6663 }
6664 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6665 &secrets_domain_sid);
6666 if (!found_sid || !sid_equal(&secrets_domain_sid,
6667 &ldap_domain_sid)) {
6668 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6669 "%s based on pdb_ldap results %s -> %s\n",
6670 ldap_state->domain_name,
6671 sid_string_dbg(&secrets_domain_sid),
6672 sid_string_dbg(&ldap_domain_sid)));
6673
6674 /* reset secrets.tdb sid */
6675 secrets_store_domain_sid(ldap_state->domain_name,
6676 &ldap_domain_sid);
6677 DEBUG(1, ("New global sam SID: %s\n",
6678 sid_string_dbg(get_global_sam_sid())));
6679 }
6680 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6681 TALLOC_FREE(domain_sid_string);
6682 }
6683
6684 alg_rid_base_string = smbldap_talloc_single_attribute(
6685 ldap_state->smbldap_state->ldap_struct,
6686 entry,
6687 get_attr_key2string( dominfo_attr_list,
6688 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6689 talloc_tos());
6690 if (alg_rid_base_string) {
6691 alg_rid_base = (uint32)atol(alg_rid_base_string);
6692 if (alg_rid_base != algorithmic_rid_base()) {
6693 DEBUG(0, ("The value of 'algorithmic RID base' has "
6694 "changed since the LDAP\n"
6695 "database was initialised. Aborting. \n"));
6696 ldap_msgfree(result);
6697 TALLOC_FREE(alg_rid_base_string);
6698 return NT_STATUS_UNSUCCESSFUL;
6699 }
6700 TALLOC_FREE(alg_rid_base_string);
6701 }
6702 ldap_msgfree(result);
6703
6704 return NT_STATUS_OK;
6705 }
6706
6707 NTSTATUS pdb_ldap_init(void)
6708 {
6709 NTSTATUS nt_status;
6710 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6711 return nt_status;
6712
6713 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6714 return nt_status;
6715
6716 /* Let pdb_nds register backends */
6717 pdb_nds_init();
6718
6719 return NT_STATUS_OK;
6720 }