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s3:libsmb: Plumb cli_smb2_unlink() inside cli_unlink().
[Samba.git] / source3 / passdb / pdb_ldap.c
blobd7db4d80514166867cee38bcd90bea4fa693c7a1
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "passdb.h"
48 #include "../libcli/auth/libcli_auth.h"
49 #include "secrets.h"
50 #include "idmap_cache.h"
51 #include "../libcli/security/security.h"
52 #include "../lib/util/util_pw.h"
53 #include "lib/winbind_util.h"
54 #include "librpc/gen_ndr/idmap.h"
55 #include "lib/param/loadparm.h"
56 #include "lib/util_sid_passdb.h"
57
58 #undef DBGC_CLASS
59 #define DBGC_CLASS DBGC_PASSDB
60
61 #include <lber.h>
62 #include <ldap.h>
63
64
65 #include "smbldap.h"
66 #include "passdb/pdb_ldap.h"
67 #include "passdb/pdb_nds.h"
68 #include "passdb/pdb_ipa.h"
69 #include "passdb/pdb_ldap_util.h"
70 #include "passdb/pdb_ldap_schema.h"
71
72 /**********************************************************************
73 Simple helper function to make stuff better readable
74 **********************************************************************/
75
76 LDAP *priv2ld(struct ldapsam_privates *priv)
77 {
78 return priv->smbldap_state->ldap_struct;
79 }
80
81 /**********************************************************************
82 Get the attribute name given a user schame version.
83 **********************************************************************/
84
85 static const char* get_userattr_key2string( int schema_ver, int key )
86 {
87 switch ( schema_ver ) {
88 case SCHEMAVER_SAMBASAMACCOUNT:
89 return get_attr_key2string( attrib_map_v30, key );
90
91 default:
92 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
93 break;
94 }
95 return NULL;
96 }
97
98 /**********************************************************************
99 Return the list of attribute names given a user schema version.
100 **********************************************************************/
101
102 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
103 {
104 switch ( schema_ver ) {
105 case SCHEMAVER_SAMBASAMACCOUNT:
106 return get_attr_list( mem_ctx, attrib_map_v30 );
107 default:
108 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
109 break;
110 }
111
112 return NULL;
113 }
114
115 /**************************************************************************
116 Return the list of attribute names to delete given a user schema version.
117 **************************************************************************/
118
119 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
120 int schema_ver )
121 {
122 switch ( schema_ver ) {
123 case SCHEMAVER_SAMBASAMACCOUNT:
124 return get_attr_list( mem_ctx,
125 attrib_map_to_delete_v30 );
126 default:
127 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
128 break;
129 }
130
131 return NULL;
132 }
133
134
135 /*******************************************************************
136 Generate the LDAP search filter for the objectclass based on the
137 version of the schema we are using.
138 ******************************************************************/
139
140 static const char* get_objclass_filter( int schema_ver )
141 {
142 fstring objclass_filter;
143 char *result;
144
145 switch( schema_ver ) {
146 case SCHEMAVER_SAMBASAMACCOUNT:
147 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
148 break;
149 default:
150 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
151 objclass_filter[0] = '\0';
152 break;
153 }
154
155 result = talloc_strdup(talloc_tos(), objclass_filter);
156 SMB_ASSERT(result != NULL);
157 return result;
158 }
159
160 /*****************************************************************
161 Scan a sequence number off OpenLDAP's syncrepl contextCSN
162 ******************************************************************/
163
164 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
165 {
166 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
167 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
168 LDAPMessage *msg = NULL;
169 LDAPMessage *entry = NULL;
170 TALLOC_CTX *mem_ctx;
171 char **values = NULL;
172 int rc, num_result, num_values, rid;
173 char *suffix = NULL;
174 char *tok;
175 const char *p;
176 const char **attrs;
177
178 /* Unfortunatly there is no proper way to detect syncrepl-support in
179 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
180 * but do not show up in the root-DSE yet. Neither we can query the
181 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
182 * objectclass. Currently we require lp_ldap_suffix() to show up as
183 * namingContext. - Guenther
184 */
185
186 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
187 return ntstatus;
188 }
189
190 if (!seq_num) {
191 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
192 return ntstatus;
193 }
194
195 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix(talloc_tos()))) {
196 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
197 "as top-level namingContext\n", lp_ldap_suffix(talloc_tos())));
198 return ntstatus;
199 }
200
201 mem_ctx = talloc_init("ldapsam_get_seq_num");
202
203 if (mem_ctx == NULL)
204 return NT_STATUS_NO_MEMORY;
205
206 if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
207 ntstatus = NT_STATUS_NO_MEMORY;
208 goto done;
209 }
210
211 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
212 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
213 if (rid > 0) {
214
215 /* consumer syncreplCookie: */
216 /* csn=20050126161620Z#0000001#00#00000 */
217 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
218 attrs[1] = NULL;
219 suffix = talloc_asprintf(mem_ctx,
220 "cn=syncrepl%d,%s", rid, lp_ldap_suffix(talloc_tos()));
221 if (!suffix) {
222 ntstatus = NT_STATUS_NO_MEMORY;
223 goto done;
224 }
225 } else {
226
227 /* provider contextCSN */
228 /* 20050126161620Z#000009#00#000000 */
229 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
230 attrs[1] = NULL;
231 suffix = talloc_asprintf(mem_ctx,
232 "cn=ldapsync,%s", lp_ldap_suffix(talloc_tos()));
233
234 if (!suffix) {
235 ntstatus = NT_STATUS_NO_MEMORY;
236 goto done;
237 }
238 }
239
240 rc = smbldap_search(ldap_state->smbldap_state, suffix,
241 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
242
243 if (rc != LDAP_SUCCESS) {
244 goto done;
245 }
246
247 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
248 if (num_result != 1) {
249 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
250 goto done;
251 }
252
253 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
254 if (entry == NULL) {
255 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
256 goto done;
257 }
258
259 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
260 if (values == NULL) {
261 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
262 goto done;
263 }
264
265 num_values = ldap_count_values(values);
266 if (num_values == 0) {
267 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
268 goto done;
269 }
270
271 p = values[0];
272 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
273 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
274 goto done;
275 }
276
277 p = tok;
278 if (!strncmp(p, "csn=", strlen("csn=")))
279 p += strlen("csn=");
280
281 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
282
283 *seq_num = generalized_to_unix_time(p);
284
285 /* very basic sanity check */
286 if (*seq_num <= 0) {
287 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
288 (int)*seq_num));
289 goto done;
290 }
291
292 ntstatus = NT_STATUS_OK;
293
294 done:
295 if (values != NULL)
296 ldap_value_free(values);
297 if (msg != NULL)
298 ldap_msgfree(msg);
299 if (mem_ctx)
300 talloc_destroy(mem_ctx);
301
302 return ntstatus;
303 }
304
305 /*******************************************************************
306 Run the search by name.
307 ******************************************************************/
308
309 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
310 const char *user,
311 LDAPMessage ** result,
312 const char **attr)
313 {
314 char *filter = NULL;
315 char *escape_user = escape_ldap_string(talloc_tos(), user);
316 int ret = -1;
317
318 if (!escape_user) {
319 return LDAP_NO_MEMORY;
320 }
321
322 /*
323 * in the filter expression, replace %u with the real name
324 * so in ldap filter, %u MUST exist :-)
325 */
326 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
327 get_objclass_filter(ldap_state->schema_ver));
328 if (!filter) {
329 TALLOC_FREE(escape_user);
330 return LDAP_NO_MEMORY;
331 }
332 /*
333 * have to use this here because $ is filtered out
334 * in string_sub
335 */
336
337 filter = talloc_all_string_sub(talloc_tos(),
338 filter, "%u", escape_user);
339 TALLOC_FREE(escape_user);
340 if (!filter) {
341 return LDAP_NO_MEMORY;
342 }
343
344 ret = smbldap_search_suffix(ldap_state->smbldap_state,
345 filter, attr, result);
346 TALLOC_FREE(filter);
347 return ret;
348 }
349
350 /*******************************************************************
351 Run the search by SID.
352 ******************************************************************/
353
354 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
355 const struct dom_sid *sid, LDAPMessage ** result,
356 const char **attr)
357 {
358 char *filter = NULL;
359 int rc;
360 fstring sid_string;
361
362 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
363 get_userattr_key2string(ldap_state->schema_ver,
364 LDAP_ATTR_USER_SID),
365 sid_to_fstring(sid_string, sid),
366 get_objclass_filter(ldap_state->schema_ver));
367 if (!filter) {
368 return LDAP_NO_MEMORY;
369 }
370
371 rc = smbldap_search_suffix(ldap_state->smbldap_state,
372 filter, attr, result);
373
374 TALLOC_FREE(filter);
375 return rc;
376 }
377
378 /*******************************************************************
379 Delete complete object or objectclass and attrs from
380 object found in search_result depending on lp_ldap_delete_dn
381 ******************************************************************/
382
383 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
384 TALLOC_CTX *mem_ctx,
385 LDAPMessage *entry,
386 const char *objectclass,
387 const char **attrs)
388 {
389 LDAPMod **mods = NULL;
390 char *name;
391 const char *dn;
392 BerElement *ptr = NULL;
393
394 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
395 if (dn == NULL) {
396 return LDAP_NO_MEMORY;
397 }
398
399 if (lp_ldap_delete_dn()) {
400 return smbldap_delete(priv->smbldap_state, dn);
401 }
402
403 /* Ok, delete only the SAM attributes */
404
405 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
406 name != NULL;
407 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
408 const char **attrib;
409
410 /* We are only allowed to delete the attributes that
411 really exist. */
412
413 for (attrib = attrs; *attrib != NULL; attrib++) {
414 if (strequal(*attrib, name)) {
415 DEBUG(10, ("ldapsam_delete_entry: deleting "
416 "attribute %s\n", name));
417 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
418 NULL);
419 }
420 }
421 ldap_memfree(name);
422 }
423
424 if (ptr != NULL) {
425 ber_free(ptr, 0);
426 }
427
428 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
429 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
430
431 return smbldap_modify(priv->smbldap_state, dn, mods);
432 }
433
434 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
435 {
436 char *temp;
437 struct tm tm;
438
439 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
440 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
441 talloc_tos());
442 if (!temp) {
443 return (time_t) 0;
444 }
445
446 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
447 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
448 (char*)temp));
449 TALLOC_FREE(temp);
450 return (time_t) 0;
451 }
452 TALLOC_FREE(temp);
453 tzset();
454 return timegm(&tm);
455 }
456
457 /**********************************************************************
458 Initialize struct samu from an LDAP query.
459 (Based on init_sam_from_buffer in pdb_tdb.c)
460 *********************************************************************/
461
462 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
463 struct samu * sampass,
464 LDAPMessage * entry)
465 {
466 time_t logon_time,
467 logoff_time,
468 kickoff_time,
469 pass_last_set_time,
470 pass_can_change_time,
471 ldap_entry_time,
472 bad_password_time;
473 char *username = NULL,
474 *domain = NULL,
475 *nt_username = NULL,
476 *fullname = NULL,
477 *homedir = NULL,
478 *dir_drive = NULL,
479 *logon_script = NULL,
480 *profile_path = NULL,
481 *acct_desc = NULL,
482 *workstations = NULL,
483 *munged_dial = NULL;
484 uint32_t user_rid;
485 uint8 smblmpwd[LM_HASH_LEN],
486 smbntpwd[NT_HASH_LEN];
487 bool use_samba_attrs = True;
488 uint32_t acct_ctrl = 0;
489 uint16_t logon_divs;
490 uint16_t bad_password_count = 0,
491 logon_count = 0;
492 uint32_t hours_len;
493 uint8 hours[MAX_HOURS_LEN];
494 char *temp = NULL;
495 struct login_cache cache_entry;
496 uint32_t pwHistLen;
497 bool expand_explicit = lp_passdb_expand_explicit();
498 bool ret = false;
499 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
500
501 if (!ctx) {
502 return false;
503 }
504 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
505 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
506 goto fn_exit;
507 }
508
509 if (priv2ld(ldap_state) == NULL) {
510 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
511 "ldap_struct is NULL!\n"));
512 goto fn_exit;
513 }
514
515 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
516 entry,
517 "uid",
518 ctx))) {
519 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
520 "this user!\n"));
521 goto fn_exit;
522 }
523
524 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
525
526 nt_username = talloc_strdup(ctx, username);
527 if (!nt_username) {
528 goto fn_exit;
529 }
530
531 domain = talloc_strdup(ctx, ldap_state->domain_name);
532 if (!domain) {
533 goto fn_exit;
534 }
535
536 pdb_set_username(sampass, username, PDB_SET);
537
538 pdb_set_domain(sampass, domain, PDB_DEFAULT);
539 pdb_set_nt_username(sampass, nt_username, PDB_SET);
540
541 /* deal with different attributes between the schema first */
542
543 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
544 if ((temp = smbldap_talloc_single_attribute(
545 ldap_state->smbldap_state->ldap_struct,
546 entry,
547 get_userattr_key2string(ldap_state->schema_ver,
548 LDAP_ATTR_USER_SID),
549 ctx))!=NULL) {
550 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
551 }
552 } else {
553 if ((temp = smbldap_talloc_single_attribute(
554 ldap_state->smbldap_state->ldap_struct,
555 entry,
556 get_userattr_key2string(ldap_state->schema_ver,
557 LDAP_ATTR_USER_RID),
558 ctx))!=NULL) {
559 user_rid = (uint32_t)atol(temp);
560 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
561 }
562 }
563
564 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
565 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
566 get_userattr_key2string(ldap_state->schema_ver,
567 LDAP_ATTR_USER_SID),
568 get_userattr_key2string(ldap_state->schema_ver,
569 LDAP_ATTR_USER_RID),
570 username));
571 return False;
572 }
573
574 temp = smbldap_talloc_single_attribute(
575 ldap_state->smbldap_state->ldap_struct,
576 entry,
577 get_userattr_key2string(ldap_state->schema_ver,
578 LDAP_ATTR_PWD_LAST_SET),
579 ctx);
580 if (temp) {
581 pass_last_set_time = (time_t) atol(temp);
582 pdb_set_pass_last_set_time(sampass,
583 pass_last_set_time, PDB_SET);
584 }
585
586 temp = smbldap_talloc_single_attribute(
587 ldap_state->smbldap_state->ldap_struct,
588 entry,
589 get_userattr_key2string(ldap_state->schema_ver,
590 LDAP_ATTR_LOGON_TIME),
591 ctx);
592 if (temp) {
593 logon_time = (time_t) atol(temp);
594 pdb_set_logon_time(sampass, logon_time, PDB_SET);
595 }
596
597 temp = smbldap_talloc_single_attribute(
598 ldap_state->smbldap_state->ldap_struct,
599 entry,
600 get_userattr_key2string(ldap_state->schema_ver,
601 LDAP_ATTR_LOGOFF_TIME),
602 ctx);
603 if (temp) {
604 logoff_time = (time_t) atol(temp);
605 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
606 }
607
608 temp = smbldap_talloc_single_attribute(
609 ldap_state->smbldap_state->ldap_struct,
610 entry,
611 get_userattr_key2string(ldap_state->schema_ver,
612 LDAP_ATTR_KICKOFF_TIME),
613 ctx);
614 if (temp) {
615 kickoff_time = (time_t) atol(temp);
616 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
617 }
618
619 temp = smbldap_talloc_single_attribute(
620 ldap_state->smbldap_state->ldap_struct,
621 entry,
622 get_userattr_key2string(ldap_state->schema_ver,
623 LDAP_ATTR_PWD_CAN_CHANGE),
624 ctx);
625 if (temp) {
626 pass_can_change_time = (time_t) atol(temp);
627 pdb_set_pass_can_change_time(sampass,
628 pass_can_change_time, PDB_SET);
629 }
630
631 /* recommend that 'gecos' and 'displayName' should refer to the same
632 * attribute OID. userFullName depreciated, only used by Samba
633 * primary rules of LDAP: don't make a new attribute when one is already defined
634 * that fits your needs; using cn then displayName rather than 'userFullName'
635 */
636
637 fullname = smbldap_talloc_single_attribute(
638 ldap_state->smbldap_state->ldap_struct,
639 entry,
640 get_userattr_key2string(ldap_state->schema_ver,
641 LDAP_ATTR_DISPLAY_NAME),
642 ctx);
643 if (fullname) {
644 pdb_set_fullname(sampass, fullname, PDB_SET);
645 } else {
646 fullname = smbldap_talloc_single_attribute(
647 ldap_state->smbldap_state->ldap_struct,
648 entry,
649 get_userattr_key2string(ldap_state->schema_ver,
650 LDAP_ATTR_CN),
651 ctx);
652 if (fullname) {
653 pdb_set_fullname(sampass, fullname, PDB_SET);
654 }
655 }
656
657 dir_drive = smbldap_talloc_single_attribute(
658 ldap_state->smbldap_state->ldap_struct,
659 entry,
660 get_userattr_key2string(ldap_state->schema_ver,
661 LDAP_ATTR_HOME_DRIVE),
662 ctx);
663 if (dir_drive) {
664 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
665 } else {
666 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
667 }
668
669 homedir = smbldap_talloc_single_attribute(
670 ldap_state->smbldap_state->ldap_struct,
671 entry,
672 get_userattr_key2string(ldap_state->schema_ver,
673 LDAP_ATTR_HOME_PATH),
674 ctx);
675 if (homedir) {
676 if (expand_explicit) {
677 homedir = talloc_sub_basic(ctx,
678 username,
679 domain,
680 homedir);
681 if (!homedir) {
682 goto fn_exit;
683 }
684 }
685 pdb_set_homedir(sampass, homedir, PDB_SET);
686 } else {
687 pdb_set_homedir(sampass,
688 talloc_sub_basic(ctx, username, domain,
689 lp_logon_home()),
690 PDB_DEFAULT);
691 }
692
693 logon_script = smbldap_talloc_single_attribute(
694 ldap_state->smbldap_state->ldap_struct,
695 entry,
696 get_userattr_key2string(ldap_state->schema_ver,
697 LDAP_ATTR_LOGON_SCRIPT),
698 ctx);
699 if (logon_script) {
700 if (expand_explicit) {
701 logon_script = talloc_sub_basic(ctx,
702 username,
703 domain,
704 logon_script);
705 if (!logon_script) {
706 goto fn_exit;
707 }
708 }
709 pdb_set_logon_script(sampass, logon_script, PDB_SET);
710 } else {
711 pdb_set_logon_script(sampass,
712 talloc_sub_basic(ctx, username, domain,
713 lp_logon_script()),
714 PDB_DEFAULT );
715 }
716
717 profile_path = smbldap_talloc_single_attribute(
718 ldap_state->smbldap_state->ldap_struct,
719 entry,
720 get_userattr_key2string(ldap_state->schema_ver,
721 LDAP_ATTR_PROFILE_PATH),
722 ctx);
723 if (profile_path) {
724 if (expand_explicit) {
725 profile_path = talloc_sub_basic(ctx,
726 username,
727 domain,
728 profile_path);
729 if (!profile_path) {
730 goto fn_exit;
731 }
732 }
733 pdb_set_profile_path(sampass, profile_path, PDB_SET);
734 } else {
735 pdb_set_profile_path(sampass,
736 talloc_sub_basic(ctx, username, domain,
737 lp_logon_path()),
738 PDB_DEFAULT );
739 }
740
741 acct_desc = smbldap_talloc_single_attribute(
742 ldap_state->smbldap_state->ldap_struct,
743 entry,
744 get_userattr_key2string(ldap_state->schema_ver,
745 LDAP_ATTR_DESC),
746 ctx);
747 if (acct_desc) {
748 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
749 }
750
751 workstations = smbldap_talloc_single_attribute(
752 ldap_state->smbldap_state->ldap_struct,
753 entry,
754 get_userattr_key2string(ldap_state->schema_ver,
755 LDAP_ATTR_USER_WKS),
756 ctx);
757 if (workstations) {
758 pdb_set_workstations(sampass, workstations, PDB_SET);
759 }
760
761 munged_dial = smbldap_talloc_single_attribute(
762 ldap_state->smbldap_state->ldap_struct,
763 entry,
764 get_userattr_key2string(ldap_state->schema_ver,
765 LDAP_ATTR_MUNGED_DIAL),
766 ctx);
767 if (munged_dial) {
768 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
769 }
770
771 /* FIXME: hours stuff should be cleaner */
772
773 logon_divs = 168;
774 hours_len = 21;
775 memset(hours, 0xff, hours_len);
776
777 if (ldap_state->is_nds_ldap) {
778 char *user_dn;
779 size_t pwd_len;
780 char clear_text_pw[512];
781
782 /* Make call to Novell eDirectory ldap extension to get clear text password.
783 NOTE: This will only work if we have an SSL connection to eDirectory. */
784 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
785 if (user_dn != NULL) {
786 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
787
788 pwd_len = sizeof(clear_text_pw);
789 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
790 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
791 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
792 TALLOC_FREE(user_dn);
793 return False;
794 }
795 ZERO_STRUCT(smblmpwd);
796 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
797 TALLOC_FREE(user_dn);
798 return False;
799 }
800 ZERO_STRUCT(smbntpwd);
801 use_samba_attrs = False;
802 }
803
804 TALLOC_FREE(user_dn);
805
806 } else {
807 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
808 }
809 }
810
811 if (use_samba_attrs) {
812 temp = smbldap_talloc_single_attribute(
813 ldap_state->smbldap_state->ldap_struct,
814 entry,
815 get_userattr_key2string(ldap_state->schema_ver,
816 LDAP_ATTR_LMPW),
817 ctx);
818 if (temp) {
819 pdb_gethexpwd(temp, smblmpwd);
820 memset((char *)temp, '\0', strlen(temp)+1);
821 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
822 goto fn_exit;
823 }
824 ZERO_STRUCT(smblmpwd);
825 }
826
827 temp = smbldap_talloc_single_attribute(
828 ldap_state->smbldap_state->ldap_struct,
829 entry,
830 get_userattr_key2string(ldap_state->schema_ver,
831 LDAP_ATTR_NTPW),
832 ctx);
833 if (temp) {
834 pdb_gethexpwd(temp, smbntpwd);
835 memset((char *)temp, '\0', strlen(temp)+1);
836 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
837 goto fn_exit;
838 }
839 ZERO_STRUCT(smbntpwd);
840 }
841 }
842
843 pwHistLen = 0;
844
845 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
846 if (pwHistLen > 0){
847 uint8 *pwhist = NULL;
848 int i;
849 char *history_string = talloc_array(ctx, char,
850 MAX_PW_HISTORY_LEN*64);
851
852 if (!history_string) {
853 goto fn_exit;
854 }
855
856 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
857
858 pwhist = talloc_array(ctx, uint8,
859 pwHistLen * PW_HISTORY_ENTRY_LEN);
860 if (pwhist == NULL) {
861 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
862 goto fn_exit;
863 }
864 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
865
866 if (smbldap_get_single_attribute(
867 ldap_state->smbldap_state->ldap_struct,
868 entry,
869 get_userattr_key2string(ldap_state->schema_ver,
870 LDAP_ATTR_PWD_HISTORY),
871 history_string,
872 MAX_PW_HISTORY_LEN*64)) {
873 bool hex_failed = false;
874 for (i = 0; i < pwHistLen; i++){
875 /* Get the 16 byte salt. */
876 if (!pdb_gethexpwd(&history_string[i*64],
877 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
878 hex_failed = true;
879 break;
880 }
881 /* Get the 16 byte MD5 hash of salt+passwd. */
882 if (!pdb_gethexpwd(&history_string[(i*64)+32],
883 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
884 PW_HISTORY_SALT_LEN])) {
885 hex_failed = True;
886 break;
887 }
888 }
889 if (hex_failed) {
890 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
891 username));
892 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
893 }
894 }
895 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
896 goto fn_exit;
897 }
898 }
899
900 temp = smbldap_talloc_single_attribute(
901 ldap_state->smbldap_state->ldap_struct,
902 entry,
903 get_userattr_key2string(ldap_state->schema_ver,
904 LDAP_ATTR_ACB_INFO),
905 ctx);
906 if (temp) {
907 acct_ctrl = pdb_decode_acct_ctrl(temp);
908
909 if (acct_ctrl == 0) {
910 acct_ctrl |= ACB_NORMAL;
911 }
912
913 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
914 } else {
915 acct_ctrl |= ACB_NORMAL;
916 }
917
918 pdb_set_hours_len(sampass, hours_len, PDB_SET);
919 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
920
921 temp = smbldap_talloc_single_attribute(
922 ldap_state->smbldap_state->ldap_struct,
923 entry,
924 get_userattr_key2string(ldap_state->schema_ver,
925 LDAP_ATTR_BAD_PASSWORD_COUNT),
926 ctx);
927 if (temp) {
928 bad_password_count = (uint32_t) atol(temp);
929 pdb_set_bad_password_count(sampass,
930 bad_password_count, PDB_SET);
931 }
932
933 temp = smbldap_talloc_single_attribute(
934 ldap_state->smbldap_state->ldap_struct,
935 entry,
936 get_userattr_key2string(ldap_state->schema_ver,
937 LDAP_ATTR_BAD_PASSWORD_TIME),
938 ctx);
939 if (temp) {
940 bad_password_time = (time_t) atol(temp);
941 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
942 }
943
944
945 temp = smbldap_talloc_single_attribute(
946 ldap_state->smbldap_state->ldap_struct,
947 entry,
948 get_userattr_key2string(ldap_state->schema_ver,
949 LDAP_ATTR_LOGON_COUNT),
950 ctx);
951 if (temp) {
952 logon_count = (uint32_t) atol(temp);
953 pdb_set_logon_count(sampass, logon_count, PDB_SET);
954 }
955
956 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
957
958 temp = smbldap_talloc_single_attribute(
959 ldap_state->smbldap_state->ldap_struct,
960 entry,
961 get_userattr_key2string(ldap_state->schema_ver,
962 LDAP_ATTR_LOGON_HOURS),
963 ctx);
964 if (temp) {
965 pdb_gethexhours(temp, hours);
966 memset((char *)temp, '\0', strlen(temp) +1);
967 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
968 ZERO_STRUCT(hours);
969 }
970
971 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
972 struct passwd unix_pw;
973 bool have_uid = false;
974 bool have_gid = false;
975 struct dom_sid mapped_gsid;
976 const struct dom_sid *primary_gsid;
977 struct unixid id;
978
979 ZERO_STRUCT(unix_pw);
980
981 unix_pw.pw_name = username;
982 unix_pw.pw_passwd = discard_const_p(char, "x");
983
984 temp = smbldap_talloc_single_attribute(
985 priv2ld(ldap_state),
986 entry,
987 "uidNumber",
988 ctx);
989 if (temp) {
990 /* We've got a uid, feed the cache */
991 unix_pw.pw_uid = strtoul(temp, NULL, 10);
992 have_uid = true;
993 }
994 temp = smbldap_talloc_single_attribute(
995 priv2ld(ldap_state),
996 entry,
997 "gidNumber",
998 ctx);
999 if (temp) {
1000 /* We've got a uid, feed the cache */
1001 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1002 have_gid = true;
1003 }
1004 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1005 priv2ld(ldap_state),
1006 entry,
1007 "gecos",
1008 ctx);
1009 if (unix_pw.pw_gecos) {
1010 unix_pw.pw_gecos = fullname;
1011 }
1012 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1013 priv2ld(ldap_state),
1014 entry,
1015 "homeDirectory",
1016 ctx);
1017 if (unix_pw.pw_dir) {
1018 unix_pw.pw_dir = discard_const_p(char, "");
1019 }
1020 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1021 priv2ld(ldap_state),
1022 entry,
1023 "loginShell",
1024 ctx);
1025 if (unix_pw.pw_shell) {
1026 unix_pw.pw_shell = discard_const_p(char, "");
1027 }
1028
1029 if (have_uid && have_gid) {
1030 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1031 } else {
1032 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1033 }
1034
1035 if (sampass->unix_pw == NULL) {
1036 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1037 pdb_get_username(sampass)));
1038 goto fn_exit;
1039 }
1040
1041 id.id = sampass->unix_pw->pw_uid;
1042 id.type = ID_TYPE_UID;
1043
1044 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1045
1046 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1047 primary_gsid = pdb_get_group_sid(sampass);
1048 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1049 id.id = sampass->unix_pw->pw_gid;
1050 id.type = ID_TYPE_GID;
1051
1052 idmap_cache_set_sid2unixid(primary_gsid, &id);
1053 }
1054 }
1055
1056 /* check the timestamp of the cache vs ldap entry */
1057 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1058 entry))) {
1059 ret = true;
1060 goto fn_exit;
1061 }
1062
1063 /* see if we have newer updates */
1064 if (!login_cache_read(sampass, &cache_entry)) {
1065 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1066 (unsigned int)pdb_get_bad_password_count(sampass),
1067 (unsigned int)pdb_get_bad_password_time(sampass)));
1068 ret = true;
1069 goto fn_exit;
1070 }
1071
1072 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1073 (unsigned int)ldap_entry_time,
1074 (unsigned int)cache_entry.entry_timestamp,
1075 (unsigned int)cache_entry.bad_password_time));
1076
1077 if (ldap_entry_time > cache_entry.entry_timestamp) {
1078 /* cache is older than directory , so
1079 we need to delete the entry but allow the
1080 fields to be written out */
1081 login_cache_delentry(sampass);
1082 } else {
1083 /* read cache in */
1084 pdb_set_acct_ctrl(sampass,
1085 pdb_get_acct_ctrl(sampass) |
1086 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1087 PDB_SET);
1088 pdb_set_bad_password_count(sampass,
1089 cache_entry.bad_password_count,
1090 PDB_SET);
1091 pdb_set_bad_password_time(sampass,
1092 cache_entry.bad_password_time,
1093 PDB_SET);
1094 }
1095
1096 ret = true;
1097
1098 fn_exit:
1099
1100 TALLOC_FREE(ctx);
1101 return ret;
1102 }
1103
1104 /**********************************************************************
1105 Initialize the ldap db from a struct samu. Called on update.
1106 (Based on init_buffer_from_sam in pdb_tdb.c)
1107 *********************************************************************/
1108
1109 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1110 LDAPMessage *existing,
1111 LDAPMod *** mods, struct samu * sampass,
1112 bool (*need_update)(const struct samu *,
1113 enum pdb_elements))
1114 {
1115 char *temp = NULL;
1116
1117 if (mods == NULL || sampass == NULL) {
1118 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1119 return False;
1120 }
1121
1122 *mods = NULL;
1123
1124 /*
1125 * took out adding "objectclass: sambaAccount"
1126 * do this on a per-mod basis
1127 */
1128 if (need_update(sampass, PDB_USERNAME)) {
1129 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1130 "uid", pdb_get_username(sampass));
1131 if (ldap_state->is_nds_ldap) {
1132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1133 "cn", pdb_get_username(sampass));
1134 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1135 "sn", pdb_get_username(sampass));
1136 }
1137 }
1138
1139 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1140
1141 /* only update the RID if we actually need to */
1142 if (need_update(sampass, PDB_USERSID)) {
1143 fstring sid_string;
1144 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1145
1146 switch ( ldap_state->schema_ver ) {
1147 case SCHEMAVER_SAMBASAMACCOUNT:
1148 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1149 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1150 sid_to_fstring(sid_string, user_sid));
1151 break;
1152
1153 default:
1154 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1155 break;
1156 }
1157 }
1158
1159 /* we don't need to store the primary group RID - so leaving it
1160 'free' to hang off the unix primary group makes life easier */
1161
1162 if (need_update(sampass, PDB_GROUPSID)) {
1163 fstring sid_string;
1164 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1165
1166 switch ( ldap_state->schema_ver ) {
1167 case SCHEMAVER_SAMBASAMACCOUNT:
1168 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1169 get_userattr_key2string(ldap_state->schema_ver,
1170 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1171 break;
1172
1173 default:
1174 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1175 break;
1176 }
1177
1178 }
1179
1180 /* displayName, cn, and gecos should all be the same
1181 * most easily accomplished by giving them the same OID
1182 * gecos isn't set here b/c it should be handled by the
1183 * add-user script
1184 * We change displayName only and fall back to cn if
1185 * it does not exist.
1186 */
1187
1188 if (need_update(sampass, PDB_FULLNAME))
1189 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1190 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1191 pdb_get_fullname(sampass));
1192
1193 if (need_update(sampass, PDB_ACCTDESC))
1194 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1195 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1196 pdb_get_acct_desc(sampass));
1197
1198 if (need_update(sampass, PDB_WORKSTATIONS))
1199 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1200 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1201 pdb_get_workstations(sampass));
1202
1203 if (need_update(sampass, PDB_MUNGEDDIAL))
1204 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1205 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1206 pdb_get_munged_dial(sampass));
1207
1208 if (need_update(sampass, PDB_SMBHOME))
1209 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1210 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1211 pdb_get_homedir(sampass));
1212
1213 if (need_update(sampass, PDB_DRIVE))
1214 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1215 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1216 pdb_get_dir_drive(sampass));
1217
1218 if (need_update(sampass, PDB_LOGONSCRIPT))
1219 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1220 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1221 pdb_get_logon_script(sampass));
1222
1223 if (need_update(sampass, PDB_PROFILE))
1224 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1225 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1226 pdb_get_profile_path(sampass));
1227
1228 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1229 return false;
1230 }
1231 if (need_update(sampass, PDB_LOGONTIME))
1232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1233 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1234 SAFE_FREE(temp);
1235
1236 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1237 return false;
1238 }
1239 if (need_update(sampass, PDB_LOGOFFTIME))
1240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1241 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1242 SAFE_FREE(temp);
1243
1244 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1245 return false;
1246 }
1247 if (need_update(sampass, PDB_KICKOFFTIME))
1248 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1249 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1250 SAFE_FREE(temp);
1251
1252 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1253 return false;
1254 }
1255 if (need_update(sampass, PDB_CANCHANGETIME))
1256 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1257 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1258 SAFE_FREE(temp);
1259
1260 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1261 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1262
1263 if (need_update(sampass, PDB_LMPASSWD)) {
1264 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1265 if (lm_pw) {
1266 char pwstr[34];
1267 pdb_sethexpwd(pwstr, lm_pw,
1268 pdb_get_acct_ctrl(sampass));
1269 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1270 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1271 pwstr);
1272 } else {
1273 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1274 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1275 NULL);
1276 }
1277 }
1278 if (need_update(sampass, PDB_NTPASSWD)) {
1279 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1280 if (nt_pw) {
1281 char pwstr[34];
1282 pdb_sethexpwd(pwstr, nt_pw,
1283 pdb_get_acct_ctrl(sampass));
1284 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1285 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1286 pwstr);
1287 } else {
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1290 NULL);
1291 }
1292 }
1293
1294 if (need_update(sampass, PDB_PWHISTORY)) {
1295 char *pwstr = NULL;
1296 uint32_t pwHistLen = 0;
1297 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1298
1299 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1300 if (!pwstr) {
1301 return false;
1302 }
1303 if (pwHistLen == 0) {
1304 /* Remove any password history from the LDAP store. */
1305 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1306 pwstr[64] = '\0';
1307 } else {
1308 int i;
1309 uint32_t currHistLen = 0;
1310 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1311 if (pwhist != NULL) {
1312 /* We can only store (1024-1/64 password history entries. */
1313 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1314 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1315 /* Store the salt. */
1316 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1317 /* Followed by the md5 hash of salt + md4 hash */
1318 pdb_sethexpwd(&pwstr[(i*64)+32],
1319 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1320 DEBUG(100, ("pwstr=%s\n", pwstr));
1321 }
1322 }
1323 }
1324 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1325 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1326 pwstr);
1327 SAFE_FREE(pwstr);
1328 }
1329
1330 if (need_update(sampass, PDB_PASSLASTSET)) {
1331 if (asprintf(&temp, "%li",
1332 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1333 return false;
1334 }
1335 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1336 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1337 temp);
1338 SAFE_FREE(temp);
1339 }
1340 }
1341
1342 if (need_update(sampass, PDB_HOURS)) {
1343 const uint8 *hours = pdb_get_hours(sampass);
1344 if (hours) {
1345 char hourstr[44];
1346 pdb_sethexhours(hourstr, hours);
1347 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1348 existing,
1349 mods,
1350 get_userattr_key2string(ldap_state->schema_ver,
1351 LDAP_ATTR_LOGON_HOURS),
1352 hourstr);
1353 }
1354 }
1355
1356 if (need_update(sampass, PDB_ACCTCTRL))
1357 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1358 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1359 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1360
1361 /* password lockout cache:
1362 - If we are now autolocking or clearing, we write to ldap
1363 - If we are clearing, we delete the cache entry
1364 - If the count is > 0, we update the cache
1365
1366 This even means when autolocking, we cache, just in case the
1367 update doesn't work, and we have to cache the autolock flag */
1368
1369 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1370 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1371 uint16_t badcount = pdb_get_bad_password_count(sampass);
1372 time_t badtime = pdb_get_bad_password_time(sampass);
1373 uint32_t pol;
1374 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1375
1376 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1377 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1378
1379 if ((badcount >= pol) || (badcount == 0)) {
1380 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1381 (unsigned int)badcount, (unsigned int)badtime));
1382 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1383 return false;
1384 }
1385 smbldap_make_mod(
1386 ldap_state->smbldap_state->ldap_struct,
1387 existing, mods,
1388 get_userattr_key2string(
1389 ldap_state->schema_ver,
1390 LDAP_ATTR_BAD_PASSWORD_COUNT),
1391 temp);
1392 SAFE_FREE(temp);
1393
1394 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1395 return false;
1396 }
1397 smbldap_make_mod(
1398 ldap_state->smbldap_state->ldap_struct,
1399 existing, mods,
1400 get_userattr_key2string(
1401 ldap_state->schema_ver,
1402 LDAP_ATTR_BAD_PASSWORD_TIME),
1403 temp);
1404 SAFE_FREE(temp);
1405 }
1406 if (badcount == 0) {
1407 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1408 login_cache_delentry(sampass);
1409 } else {
1410 struct login_cache cache_entry;
1411
1412 cache_entry.entry_timestamp = time(NULL);
1413 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1414 cache_entry.bad_password_count = badcount;
1415 cache_entry.bad_password_time = badtime;
1416
1417 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1418 login_cache_write(sampass, &cache_entry);
1419 }
1420 }
1421
1422 return True;
1423 }
1424
1425 /**********************************************************************
1426 End enumeration of the LDAP password list.
1427 *********************************************************************/
1428
1429 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1430 {
1431 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1432 if (ldap_state->result) {
1433 ldap_msgfree(ldap_state->result);
1434 ldap_state->result = NULL;
1435 }
1436 }
1437
1438 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1439 const char *new_attr)
1440 {
1441 int i;
1442
1443 if (new_attr == NULL) {
1444 return;
1445 }
1446
1447 for (i=0; (*attr_list)[i] != NULL; i++) {
1448 ;
1449 }
1450
1451 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1452 const char *, i+2);
1453 SMB_ASSERT((*attr_list) != NULL);
1454 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1455 (*attr_list)[i+1] = NULL;
1456 }
1457
1458 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1459 const char ***attr_list)
1460 {
1461 append_attr(mem_ctx, attr_list, "uidNumber");
1462 append_attr(mem_ctx, attr_list, "gidNumber");
1463 append_attr(mem_ctx, attr_list, "homeDirectory");
1464 append_attr(mem_ctx, attr_list, "loginShell");
1465 append_attr(mem_ctx, attr_list, "gecos");
1466 }
1467
1468 /**********************************************************************
1469 Get struct samu entry from LDAP by username.
1470 *********************************************************************/
1471
1472 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1473 {
1474 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1475 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1476 LDAPMessage *result = NULL;
1477 LDAPMessage *entry = NULL;
1478 int count;
1479 const char ** attr_list;
1480 int rc;
1481
1482 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1483 append_attr(user, &attr_list,
1484 get_userattr_key2string(ldap_state->schema_ver,
1485 LDAP_ATTR_MOD_TIMESTAMP));
1486 ldapsam_add_unix_attributes(user, &attr_list);
1487 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1488 attr_list);
1489 TALLOC_FREE( attr_list );
1490
1491 if ( rc != LDAP_SUCCESS )
1492 return NT_STATUS_NO_SUCH_USER;
1493
1494 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1495
1496 if (count < 1) {
1497 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1498 ldap_msgfree(result);
1499 return NT_STATUS_NO_SUCH_USER;
1500 } else if (count > 1) {
1501 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1502 ldap_msgfree(result);
1503 return NT_STATUS_NO_SUCH_USER;
1504 }
1505
1506 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1507 if (entry) {
1508 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1509 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1510 ldap_msgfree(result);
1511 return NT_STATUS_NO_SUCH_USER;
1512 }
1513 pdb_set_backend_private_data(user, result, NULL,
1514 my_methods, PDB_CHANGED);
1515 smbldap_talloc_autofree_ldapmsg(user, result);
1516 ret = NT_STATUS_OK;
1517 } else {
1518 ldap_msgfree(result);
1519 }
1520 return ret;
1521 }
1522
1523 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1524 const struct dom_sid *sid, LDAPMessage **result)
1525 {
1526 int rc = -1;
1527 const char ** attr_list;
1528
1529 switch ( ldap_state->schema_ver ) {
1530 case SCHEMAVER_SAMBASAMACCOUNT: {
1531 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1532 if (tmp_ctx == NULL) {
1533 return LDAP_NO_MEMORY;
1534 }
1535
1536 attr_list = get_userattr_list(tmp_ctx,
1537 ldap_state->schema_ver);
1538 append_attr(tmp_ctx, &attr_list,
1539 get_userattr_key2string(
1540 ldap_state->schema_ver,
1541 LDAP_ATTR_MOD_TIMESTAMP));
1542 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1543 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1544 result, attr_list);
1545 TALLOC_FREE(tmp_ctx);
1546
1547 if ( rc != LDAP_SUCCESS )
1548 return rc;
1549 break;
1550 }
1551
1552 default:
1553 DEBUG(0,("Invalid schema version specified\n"));
1554 break;
1555 }
1556 return rc;
1557 }
1558
1559 /**********************************************************************
1560 Get struct samu entry from LDAP by SID.
1561 *********************************************************************/
1562
1563 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1564 {
1565 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1566 LDAPMessage *result = NULL;
1567 LDAPMessage *entry = NULL;
1568 int count;
1569 int rc;
1570
1571 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1572 sid, &result);
1573 if (rc != LDAP_SUCCESS)
1574 return NT_STATUS_NO_SUCH_USER;
1575
1576 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1577
1578 if (count < 1) {
1579 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1580 "count=%d\n", sid_string_dbg(sid), count));
1581 ldap_msgfree(result);
1582 return NT_STATUS_NO_SUCH_USER;
1583 } else if (count > 1) {
1584 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1585 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1586 count));
1587 ldap_msgfree(result);
1588 return NT_STATUS_NO_SUCH_USER;
1589 }
1590
1591 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1592 if (!entry) {
1593 ldap_msgfree(result);
1594 return NT_STATUS_NO_SUCH_USER;
1595 }
1596
1597 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1598 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1599 ldap_msgfree(result);
1600 return NT_STATUS_NO_SUCH_USER;
1601 }
1602
1603 pdb_set_backend_private_data(user, result, NULL,
1604 my_methods, PDB_CHANGED);
1605 smbldap_talloc_autofree_ldapmsg(user, result);
1606 return NT_STATUS_OK;
1607 }
1608
1609 /********************************************************************
1610 Do the actual modification - also change a plaintext passord if
1611 it it set.
1612 **********************************************************************/
1613
1614 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1615 struct samu *newpwd, char *dn,
1616 LDAPMod **mods, int ldap_op,
1617 bool (*need_update)(const struct samu *, enum pdb_elements))
1618 {
1619 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1620 int rc;
1621
1622 if (!newpwd || !dn) {
1623 return NT_STATUS_INVALID_PARAMETER;
1624 }
1625
1626 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1627 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1628 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1629 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1630 BerElement *ber;
1631 struct berval *bv;
1632 char *retoid = NULL;
1633 struct berval *retdata = NULL;
1634 char *utf8_password;
1635 char *utf8_dn;
1636 size_t converted_size;
1637 int ret;
1638
1639 if (!ldap_state->is_nds_ldap) {
1640
1641 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1642 LDAP_EXOP_MODIFY_PASSWD)) {
1643 DEBUG(2, ("ldap password change requested, but LDAP "
1644 "server does not support it -- ignoring\n"));
1645 return NT_STATUS_OK;
1646 }
1647 }
1648
1649 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1650 pdb_get_plaintext_passwd(newpwd),
1651 &converted_size))
1652 {
1653 return NT_STATUS_NO_MEMORY;
1654 }
1655
1656 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1657 TALLOC_FREE(utf8_password);
1658 return NT_STATUS_NO_MEMORY;
1659 }
1660
1661 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1662 DEBUG(0,("ber_alloc_t returns NULL\n"));
1663 TALLOC_FREE(utf8_password);
1664 TALLOC_FREE(utf8_dn);
1665 return NT_STATUS_UNSUCCESSFUL;
1666 }
1667
1668 if ((ber_printf (ber, "{") < 0) ||
1669 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1670 utf8_dn) < 0)) {
1671 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1672 "value <0\n"));
1673 ber_free(ber,1);
1674 TALLOC_FREE(utf8_dn);
1675 TALLOC_FREE(utf8_password);
1676 return NT_STATUS_UNSUCCESSFUL;
1677 }
1678
1679 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1680 ret = ber_printf(ber, "ts}",
1681 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1682 utf8_password);
1683 } else {
1684 ret = ber_printf(ber, "}");
1685 }
1686
1687 if (ret < 0) {
1688 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1689 "value <0\n"));
1690 ber_free(ber,1);
1691 TALLOC_FREE(utf8_dn);
1692 TALLOC_FREE(utf8_password);
1693 return NT_STATUS_UNSUCCESSFUL;
1694 }
1695
1696 if ((rc = ber_flatten (ber, &bv))<0) {
1697 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1698 ber_free(ber,1);
1699 TALLOC_FREE(utf8_dn);
1700 TALLOC_FREE(utf8_password);
1701 return NT_STATUS_UNSUCCESSFUL;
1702 }
1703
1704 TALLOC_FREE(utf8_dn);
1705 TALLOC_FREE(utf8_password);
1706 ber_free(ber, 1);
1707
1708 if (!ldap_state->is_nds_ldap) {
1709 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1710 LDAP_EXOP_MODIFY_PASSWD,
1711 bv, NULL, NULL, &retoid,
1712 &retdata);
1713 } else {
1714 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1715 pdb_get_plaintext_passwd(newpwd));
1716 }
1717 if (rc != LDAP_SUCCESS) {
1718 char *ld_error = NULL;
1719
1720 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1721 DEBUG(3, ("Could not set userPassword "
1722 "attribute due to an objectClass "
1723 "violation -- ignoring\n"));
1724 ber_bvfree(bv);
1725 return NT_STATUS_OK;
1726 }
1727
1728 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1729 &ld_error);
1730 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1731 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1732 SAFE_FREE(ld_error);
1733 ber_bvfree(bv);
1734 #if defined(LDAP_CONSTRAINT_VIOLATION)
1735 if (rc == LDAP_CONSTRAINT_VIOLATION)
1736 return NT_STATUS_PASSWORD_RESTRICTION;
1737 #endif
1738 return NT_STATUS_UNSUCCESSFUL;
1739 } else {
1740 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1741 #ifdef DEBUG_PASSWORD
1742 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1743 #endif
1744 if (retdata)
1745 ber_bvfree(retdata);
1746 if (retoid)
1747 ldap_memfree(retoid);
1748 }
1749 ber_bvfree(bv);
1750 }
1751
1752 if (!mods) {
1753 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1754 /* may be password change below however */
1755 } else {
1756 switch(ldap_op) {
1757 case LDAP_MOD_ADD:
1758 if (ldap_state->is_nds_ldap) {
1759 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1760 "objectclass",
1761 "inetOrgPerson");
1762 } else {
1763 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1764 "objectclass",
1765 LDAP_OBJ_ACCOUNT);
1766 }
1767 rc = smbldap_add(ldap_state->smbldap_state,
1768 dn, mods);
1769 break;
1770 case LDAP_MOD_REPLACE:
1771 rc = smbldap_modify(ldap_state->smbldap_state,
1772 dn ,mods);
1773 break;
1774 default:
1775 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1776 ldap_op));
1777 return NT_STATUS_INVALID_PARAMETER;
1778 }
1779
1780 if (rc!=LDAP_SUCCESS) {
1781 return NT_STATUS_UNSUCCESSFUL;
1782 }
1783 }
1784
1785 return NT_STATUS_OK;
1786 }
1787
1788 /**********************************************************************
1789 Delete entry from LDAP for username.
1790 *********************************************************************/
1791
1792 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1793 struct samu * sam_acct)
1794 {
1795 struct ldapsam_privates *priv =
1796 (struct ldapsam_privates *)my_methods->private_data;
1797 const char *sname;
1798 int rc;
1799 LDAPMessage *msg, *entry;
1800 NTSTATUS result = NT_STATUS_NO_MEMORY;
1801 const char **attr_list;
1802 TALLOC_CTX *mem_ctx;
1803
1804 if (!sam_acct) {
1805 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1806 return NT_STATUS_INVALID_PARAMETER;
1807 }
1808
1809 sname = pdb_get_username(sam_acct);
1810
1811 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1812 "LDAP.\n", sname));
1813
1814 mem_ctx = talloc_new(NULL);
1815 if (mem_ctx == NULL) {
1816 DEBUG(0, ("talloc_new failed\n"));
1817 goto done;
1818 }
1819
1820 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1821 if (attr_list == NULL) {
1822 goto done;
1823 }
1824
1825 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1826
1827 if ((rc != LDAP_SUCCESS) ||
1828 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1829 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1830 DEBUG(5, ("Could not find user %s\n", sname));
1831 result = NT_STATUS_NO_SUCH_USER;
1832 goto done;
1833 }
1834
1835 rc = ldapsam_delete_entry(
1836 priv, mem_ctx, entry,
1837 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1838 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1839 attr_list);
1840
1841 result = (rc == LDAP_SUCCESS) ?
1842 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1843
1844 done:
1845 TALLOC_FREE(mem_ctx);
1846 return result;
1847 }
1848
1849 /**********************************************************************
1850 Update struct samu.
1851 *********************************************************************/
1852
1853 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1854 {
1855 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1856 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1857 int rc = 0;
1858 char *dn;
1859 LDAPMessage *result = NULL;
1860 LDAPMessage *entry = NULL;
1861 LDAPMod **mods = NULL;
1862 const char **attr_list;
1863
1864 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1865 if (!result) {
1866 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1867 if (pdb_get_username(newpwd) == NULL) {
1868 return NT_STATUS_INVALID_PARAMETER;
1869 }
1870 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1871 TALLOC_FREE( attr_list );
1872 if (rc != LDAP_SUCCESS) {
1873 return NT_STATUS_UNSUCCESSFUL;
1874 }
1875 pdb_set_backend_private_data(newpwd, result, NULL,
1876 my_methods, PDB_CHANGED);
1877 smbldap_talloc_autofree_ldapmsg(newpwd, result);
1878 }
1879
1880 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1881 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1882 return NT_STATUS_UNSUCCESSFUL;
1883 }
1884
1885 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1886 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1887 if (!dn) {
1888 return NT_STATUS_UNSUCCESSFUL;
1889 }
1890
1891 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1892
1893 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1894 pdb_element_is_changed)) {
1895 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1896 TALLOC_FREE(dn);
1897 if (mods != NULL)
1898 ldap_mods_free(mods,True);
1899 return NT_STATUS_UNSUCCESSFUL;
1900 }
1901
1902 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1903 && (mods == NULL)) {
1904 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1905 pdb_get_username(newpwd)));
1906 TALLOC_FREE(dn);
1907 return NT_STATUS_OK;
1908 }
1909
1910 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1911
1912 if (mods != NULL) {
1913 ldap_mods_free(mods,True);
1914 }
1915
1916 TALLOC_FREE(dn);
1917
1918 /*
1919 * We need to set the backend private data to NULL here. For example
1920 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1921 * same one, and with the explicit delete / add logic for attribute
1922 * values the second time we would use the wrong "old" value which
1923 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1924 * the update.
1925 * The existing LDAPMessage is still being auto-freed by the
1926 * destructor.
1927 */
1928 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1929 PDB_CHANGED);
1930
1931 if (!NT_STATUS_IS_OK(ret)) {
1932 return ret;
1933 }
1934
1935 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1936 pdb_get_username(newpwd)));
1937 return NT_STATUS_OK;
1938 }
1939
1940 /***************************************************************************
1941 Renames a struct samu
1942 - The "rename user script" has full responsibility for changing everything
1943 ***************************************************************************/
1944
1945 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1946 TALLOC_CTX *tmp_ctx,
1947 uint32_t group_rid,
1948 uint32_t member_rid);
1949
1950 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1951 TALLOC_CTX *mem_ctx,
1952 struct samu *user,
1953 struct dom_sid **pp_sids,
1954 gid_t **pp_gids,
1955 uint32_t *p_num_groups);
1956
1957 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1958 struct samu *old_acct,
1959 const char *newname)
1960 {
1961 const char *oldname;
1962 int rc;
1963 char *rename_script = NULL;
1964 fstring oldname_lower, newname_lower;
1965
1966 if (!old_acct) {
1967 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1968 return NT_STATUS_INVALID_PARAMETER;
1969 }
1970 if (!newname) {
1971 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1972 return NT_STATUS_INVALID_PARAMETER;
1973 }
1974
1975 oldname = pdb_get_username(old_acct);
1976
1977 /* rename the posix user */
1978 rename_script = lp_renameuser_script(talloc_tos());
1979 if (rename_script == NULL) {
1980 return NT_STATUS_NO_MEMORY;
1981 }
1982
1983 if (!(*rename_script)) {
1984 TALLOC_FREE(rename_script);
1985 return NT_STATUS_ACCESS_DENIED;
1986 }
1987
1988 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1989 oldname, newname));
1990
1991 /* We have to allow the account name to end with a '$'.
1992 Also, follow the semantics in _samr_create_user() and lower case the
1993 posix name but preserve the case in passdb */
1994
1995 fstrcpy( oldname_lower, oldname );
1996 if (!strlower_m( oldname_lower )) {
1997 return NT_STATUS_INVALID_PARAMETER;
1998 }
1999 fstrcpy( newname_lower, newname );
2000 if (!strlower_m( newname_lower )) {
2001 return NT_STATUS_INVALID_PARAMETER;
2002 }
2003
2004 rename_script = realloc_string_sub2(rename_script,
2005 "%unew",
2006 newname_lower,
2007 true,
2008 true);
2009 if (!rename_script) {
2010 return NT_STATUS_NO_MEMORY;
2011 }
2012 rename_script = realloc_string_sub2(rename_script,
2013 "%uold",
2014 oldname_lower,
2015 true,
2016 true);
2017 rc = smbrun(rename_script, NULL);
2018
2019 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2020 rename_script, rc));
2021
2022 TALLOC_FREE(rename_script);
2023
2024 if (rc == 0) {
2025 smb_nscd_flush_user_cache();
2026 }
2027
2028 if (rc)
2029 return NT_STATUS_UNSUCCESSFUL;
2030
2031 return NT_STATUS_OK;
2032 }
2033
2034 /**********************************************************************
2035 Add struct samu to LDAP.
2036 *********************************************************************/
2037
2038 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2039 {
2040 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2041 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2042 int rc;
2043 LDAPMessage *result = NULL;
2044 LDAPMessage *entry = NULL;
2045 LDAPMod **mods = NULL;
2046 int ldap_op = LDAP_MOD_REPLACE;
2047 uint32_t num_result;
2048 const char **attr_list;
2049 char *escape_user = NULL;
2050 const char *username = pdb_get_username(newpwd);
2051 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2052 char *filter = NULL;
2053 char *dn = NULL;
2054 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2055 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2056
2057 if (!ctx) {
2058 return NT_STATUS_NO_MEMORY;
2059 }
2060
2061 if (!username || !*username) {
2062 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2063 status = NT_STATUS_INVALID_PARAMETER;
2064 goto fn_exit;
2065 }
2066
2067 /* free this list after the second search or in case we exit on failure */
2068 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2069
2070 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2071
2072 if (rc != LDAP_SUCCESS) {
2073 goto fn_exit;
2074 }
2075
2076 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2077 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2078 username));
2079 goto fn_exit;
2080 }
2081 ldap_msgfree(result);
2082 result = NULL;
2083
2084 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2085 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2086 sid, &result);
2087 if (rc == LDAP_SUCCESS) {
2088 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2089 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2090 "already in the base, with samba "
2091 "attributes\n", sid_string_dbg(sid)));
2092 goto fn_exit;
2093 }
2094 ldap_msgfree(result);
2095 result = NULL;
2096 }
2097 }
2098
2099 /* does the entry already exist but without a samba attributes?
2100 we need to return the samba attributes here */
2101
2102 escape_user = escape_ldap_string(talloc_tos(), username);
2103 filter = talloc_strdup(attr_list, "(uid=%u)");
2104 if (!filter) {
2105 status = NT_STATUS_NO_MEMORY;
2106 goto fn_exit;
2107 }
2108 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2109 TALLOC_FREE(escape_user);
2110 if (!filter) {
2111 status = NT_STATUS_NO_MEMORY;
2112 goto fn_exit;
2113 }
2114
2115 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2116 filter, attr_list, &result);
2117 if ( rc != LDAP_SUCCESS ) {
2118 goto fn_exit;
2119 }
2120
2121 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2122
2123 if (num_result > 1) {
2124 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2125 goto fn_exit;
2126 }
2127
2128 /* Check if we need to update an existing entry */
2129 if (num_result == 1) {
2130 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2131 ldap_op = LDAP_MOD_REPLACE;
2132 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2133 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2134 if (!dn) {
2135 status = NT_STATUS_NO_MEMORY;
2136 goto fn_exit;
2137 }
2138
2139 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2140
2141 /* There might be a SID for this account already - say an idmap entry */
2142
2143 filter = talloc_asprintf(ctx,
2144 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2145 get_userattr_key2string(ldap_state->schema_ver,
2146 LDAP_ATTR_USER_SID),
2147 sid_string_talloc(ctx, sid),
2148 LDAP_OBJ_IDMAP_ENTRY,
2149 LDAP_OBJ_SID_ENTRY);
2150 if (!filter) {
2151 status = NT_STATUS_NO_MEMORY;
2152 goto fn_exit;
2153 }
2154
2155 /* free old result before doing a new search */
2156 if (result != NULL) {
2157 ldap_msgfree(result);
2158 result = NULL;
2159 }
2160 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2161 filter, attr_list, &result);
2162
2163 if ( rc != LDAP_SUCCESS ) {
2164 goto fn_exit;
2165 }
2166
2167 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2168
2169 if (num_result > 1) {
2170 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2171 goto fn_exit;
2172 }
2173
2174 /* Check if we need to update an existing entry */
2175 if (num_result == 1) {
2176
2177 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2178 ldap_op = LDAP_MOD_REPLACE;
2179 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2180 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2181 if (!dn) {
2182 status = NT_STATUS_NO_MEMORY;
2183 goto fn_exit;
2184 }
2185 }
2186 }
2187
2188 if (num_result == 0) {
2189 char *escape_username;
2190 /* Check if we need to add an entry */
2191 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2192 ldap_op = LDAP_MOD_ADD;
2193
2194 escape_username = escape_rdn_val_string_alloc(username);
2195 if (!escape_username) {
2196 status = NT_STATUS_NO_MEMORY;
2197 goto fn_exit;
2198 }
2199
2200 if (username[strlen(username)-1] == '$') {
2201 dn = talloc_asprintf(ctx,
2202 "uid=%s,%s",
2203 escape_username,
2204 lp_ldap_machine_suffix(talloc_tos()));
2205 } else {
2206 dn = talloc_asprintf(ctx,
2207 "uid=%s,%s",
2208 escape_username,
2209 lp_ldap_user_suffix(talloc_tos()));
2210 }
2211
2212 SAFE_FREE(escape_username);
2213 if (!dn) {
2214 status = NT_STATUS_NO_MEMORY;
2215 goto fn_exit;
2216 }
2217 }
2218
2219 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2220 pdb_element_is_set_or_changed)) {
2221 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2222 if (mods != NULL) {
2223 ldap_mods_free(mods, true);
2224 }
2225 goto fn_exit;
2226 }
2227
2228 if (mods == NULL) {
2229 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2230 goto fn_exit;
2231 }
2232 switch ( ldap_state->schema_ver ) {
2233 case SCHEMAVER_SAMBASAMACCOUNT:
2234 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2235 break;
2236 default:
2237 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2238 break;
2239 }
2240
2241 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2242 if (!NT_STATUS_IS_OK(ret)) {
2243 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2244 pdb_get_username(newpwd),dn));
2245 ldap_mods_free(mods, true);
2246 goto fn_exit;
2247 }
2248
2249 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2250 ldap_mods_free(mods, true);
2251
2252 status = NT_STATUS_OK;
2253
2254 fn_exit:
2255
2256 TALLOC_FREE(ctx);
2257 if (result) {
2258 ldap_msgfree(result);
2259 }
2260 return status;
2261 }
2262
2263 /**********************************************************************
2264 *********************************************************************/
2265
2266 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2267 const char *filter,
2268 LDAPMessage ** result)
2269 {
2270 int scope = LDAP_SCOPE_SUBTREE;
2271 int rc;
2272 const char **attr_list;
2273
2274 attr_list = get_attr_list(NULL, groupmap_attr_list);
2275 rc = smbldap_search(ldap_state->smbldap_state,
2276 lp_ldap_suffix (talloc_tos()), scope,
2277 filter, attr_list, 0, result);
2278 TALLOC_FREE(attr_list);
2279
2280 return rc;
2281 }
2282
2283 /**********************************************************************
2284 *********************************************************************/
2285
2286 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2287 GROUP_MAP *map, LDAPMessage *entry)
2288 {
2289 char *temp = NULL;
2290 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2291
2292 if (ldap_state == NULL || map == NULL || entry == NULL ||
2293 ldap_state->smbldap_state->ldap_struct == NULL) {
2294 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2295 TALLOC_FREE(ctx);
2296 return false;
2297 }
2298
2299 temp = smbldap_talloc_single_attribute(
2300 ldap_state->smbldap_state->ldap_struct,
2301 entry,
2302 get_attr_key2string(groupmap_attr_list,
2303 LDAP_ATTR_GIDNUMBER),
2304 ctx);
2305 if (!temp) {
2306 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2307 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2308 TALLOC_FREE(ctx);
2309 return false;
2310 }
2311 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2312
2313 map->gid = (gid_t)atol(temp);
2314
2315 TALLOC_FREE(temp);
2316 temp = smbldap_talloc_single_attribute(
2317 ldap_state->smbldap_state->ldap_struct,
2318 entry,
2319 get_attr_key2string(groupmap_attr_list,
2320 LDAP_ATTR_GROUP_SID),
2321 ctx);
2322 if (!temp) {
2323 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2324 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2325 TALLOC_FREE(ctx);
2326 return false;
2327 }
2328
2329 if (!string_to_sid(&map->sid, temp)) {
2330 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2331 TALLOC_FREE(ctx);
2332 return false;
2333 }
2334
2335 TALLOC_FREE(temp);
2336 temp = smbldap_talloc_single_attribute(
2337 ldap_state->smbldap_state->ldap_struct,
2338 entry,
2339 get_attr_key2string(groupmap_attr_list,
2340 LDAP_ATTR_GROUP_TYPE),
2341 ctx);
2342 if (!temp) {
2343 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2344 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2345 TALLOC_FREE(ctx);
2346 return false;
2347 }
2348 map->sid_name_use = (enum lsa_SidType)atol(temp);
2349
2350 if ((map->sid_name_use < SID_NAME_USER) ||
2351 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2352 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2353 TALLOC_FREE(ctx);
2354 return false;
2355 }
2356
2357 TALLOC_FREE(temp);
2358 temp = smbldap_talloc_single_attribute(
2359 ldap_state->smbldap_state->ldap_struct,
2360 entry,
2361 get_attr_key2string(groupmap_attr_list,
2362 LDAP_ATTR_DISPLAY_NAME),
2363 ctx);
2364 if (!temp) {
2365 temp = smbldap_talloc_single_attribute(
2366 ldap_state->smbldap_state->ldap_struct,
2367 entry,
2368 get_attr_key2string(groupmap_attr_list,
2369 LDAP_ATTR_CN),
2370 ctx);
2371 if (!temp) {
2372 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2373 for gidNumber(%lu)\n",(unsigned long)map->gid));
2374 TALLOC_FREE(ctx);
2375 return false;
2376 }
2377 }
2378 map->nt_name = talloc_strdup(map, temp);
2379 if (!map->nt_name) {
2380 TALLOC_FREE(ctx);
2381 return false;
2382 }
2383
2384 TALLOC_FREE(temp);
2385 temp = smbldap_talloc_single_attribute(
2386 ldap_state->smbldap_state->ldap_struct,
2387 entry,
2388 get_attr_key2string(groupmap_attr_list,
2389 LDAP_ATTR_DESC),
2390 ctx);
2391 if (!temp) {
2392 temp = talloc_strdup(ctx, "");
2393 if (!temp) {
2394 TALLOC_FREE(ctx);
2395 return false;
2396 }
2397 }
2398 map->comment = talloc_strdup(map, temp);
2399 if (!map->comment) {
2400 TALLOC_FREE(ctx);
2401 return false;
2402 }
2403
2404 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2405 struct unixid id;
2406 id.id = map->gid;
2407 id.type = ID_TYPE_GID;
2408
2409 idmap_cache_set_sid2unixid(&map->sid, &id);
2410 }
2411
2412 TALLOC_FREE(ctx);
2413 return true;
2414 }
2415
2416 /**********************************************************************
2417 *********************************************************************/
2418
2419 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2420 const char *filter,
2421 GROUP_MAP *map)
2422 {
2423 struct ldapsam_privates *ldap_state =
2424 (struct ldapsam_privates *)methods->private_data;
2425 LDAPMessage *result = NULL;
2426 LDAPMessage *entry = NULL;
2427 int count;
2428
2429 if (ldapsam_search_one_group(ldap_state, filter, &result)
2430 != LDAP_SUCCESS) {
2431 return NT_STATUS_NO_SUCH_GROUP;
2432 }
2433
2434 count = ldap_count_entries(priv2ld(ldap_state), result);
2435
2436 if (count < 1) {
2437 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2438 "%s\n", filter));
2439 ldap_msgfree(result);
2440 return NT_STATUS_NO_SUCH_GROUP;
2441 }
2442
2443 if (count > 1) {
2444 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2445 "count=%d\n", filter, count));
2446 ldap_msgfree(result);
2447 return NT_STATUS_NO_SUCH_GROUP;
2448 }
2449
2450 entry = ldap_first_entry(priv2ld(ldap_state), result);
2451
2452 if (!entry) {
2453 ldap_msgfree(result);
2454 return NT_STATUS_UNSUCCESSFUL;
2455 }
2456
2457 if (!init_group_from_ldap(ldap_state, map, entry)) {
2458 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2459 "group filter %s\n", filter));
2460 ldap_msgfree(result);
2461 return NT_STATUS_NO_SUCH_GROUP;
2462 }
2463
2464 ldap_msgfree(result);
2465 return NT_STATUS_OK;
2466 }
2467
2468 /**********************************************************************
2469 *********************************************************************/
2470
2471 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2472 struct dom_sid sid)
2473 {
2474 char *filter = NULL;
2475 NTSTATUS status;
2476 fstring tmp;
2477
2478 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2479 LDAP_OBJ_GROUPMAP,
2480 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2481 sid_to_fstring(tmp, &sid)) < 0) {
2482 return NT_STATUS_NO_MEMORY;
2483 }
2484
2485 status = ldapsam_getgroup(methods, filter, map);
2486 SAFE_FREE(filter);
2487 return status;
2488 }
2489
2490 /**********************************************************************
2491 *********************************************************************/
2492
2493 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2494 gid_t gid)
2495 {
2496 char *filter = NULL;
2497 NTSTATUS status;
2498
2499 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2500 LDAP_OBJ_GROUPMAP,
2501 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2502 (unsigned long)gid) < 0) {
2503 return NT_STATUS_NO_MEMORY;
2504 }
2505
2506 status = ldapsam_getgroup(methods, filter, map);
2507 SAFE_FREE(filter);
2508 return status;
2509 }
2510
2511 /**********************************************************************
2512 *********************************************************************/
2513
2514 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2515 const char *name)
2516 {
2517 char *filter = NULL;
2518 char *escape_name = escape_ldap_string(talloc_tos(), name);
2519 NTSTATUS status;
2520
2521 if (!escape_name) {
2522 return NT_STATUS_NO_MEMORY;
2523 }
2524
2525 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2526 LDAP_OBJ_GROUPMAP,
2527 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2528 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2529 escape_name) < 0) {
2530 TALLOC_FREE(escape_name);
2531 return NT_STATUS_NO_MEMORY;
2532 }
2533
2534 TALLOC_FREE(escape_name);
2535 status = ldapsam_getgroup(methods, filter, map);
2536 SAFE_FREE(filter);
2537 return status;
2538 }
2539
2540 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2541 LDAPMessage *entry,
2542 const struct dom_sid *domain_sid,
2543 uint32_t *rid)
2544 {
2545 fstring str;
2546 struct dom_sid sid;
2547
2548 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2549 str, sizeof(str)-1)) {
2550 DEBUG(10, ("Could not find sambaSID attribute\n"));
2551 return False;
2552 }
2553
2554 if (!string_to_sid(&sid, str)) {
2555 DEBUG(10, ("Could not convert string %s to sid\n", str));
2556 return False;
2557 }
2558
2559 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2560 DEBUG(10, ("SID %s is not in expected domain %s\n",
2561 str, sid_string_dbg(domain_sid)));
2562 return False;
2563 }
2564
2565 if (!sid_peek_rid(&sid, rid)) {
2566 DEBUG(10, ("Could not peek into RID\n"));
2567 return False;
2568 }
2569
2570 return True;
2571 }
2572
2573 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2574 TALLOC_CTX *mem_ctx,
2575 const struct dom_sid *group,
2576 uint32_t **pp_member_rids,
2577 size_t *p_num_members)
2578 {
2579 struct ldapsam_privates *ldap_state =
2580 (struct ldapsam_privates *)methods->private_data;
2581 struct smbldap_state *conn = ldap_state->smbldap_state;
2582 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2583 const char *sid_attrs[] = { "sambaSID", NULL };
2584 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2585 LDAPMessage *result = NULL;
2586 LDAPMessage *entry;
2587 char *filter;
2588 char **values = NULL;
2589 char **memberuid;
2590 char *gidstr;
2591 int rc, count;
2592
2593 *pp_member_rids = NULL;
2594 *p_num_members = 0;
2595
2596 filter = talloc_asprintf(mem_ctx,
2597 "(&(objectClass=%s)"
2598 "(objectClass=%s)"
2599 "(sambaSID=%s))",
2600 LDAP_OBJ_POSIXGROUP,
2601 LDAP_OBJ_GROUPMAP,
2602 sid_string_talloc(mem_ctx, group));
2603 if (filter == NULL) {
2604 ret = NT_STATUS_NO_MEMORY;
2605 goto done;
2606 }
2607
2608 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2609 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2610 &result);
2611
2612 if (rc != LDAP_SUCCESS)
2613 goto done;
2614
2615 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2616
2617 count = ldap_count_entries(conn->ldap_struct, result);
2618
2619 if (count > 1) {
2620 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2621 sid_string_dbg(group)));
2622 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2623 goto done;
2624 }
2625
2626 if (count == 0) {
2627 ret = NT_STATUS_NO_SUCH_GROUP;
2628 goto done;
2629 }
2630
2631 entry = ldap_first_entry(conn->ldap_struct, result);
2632 if (entry == NULL)
2633 goto done;
2634
2635 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2636 if (!gidstr) {
2637 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2638 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2639 goto done;
2640 }
2641
2642 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2643
2644 if ((values != NULL) && (values[0] != NULL)) {
2645
2646 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2647 if (filter == NULL) {
2648 ret = NT_STATUS_NO_MEMORY;
2649 goto done;
2650 }
2651
2652 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2653 char *escape_memberuid;
2654
2655 escape_memberuid = escape_ldap_string(talloc_tos(),
2656 *memberuid);
2657 if (escape_memberuid == NULL) {
2658 ret = NT_STATUS_NO_MEMORY;
2659 goto done;
2660 }
2661
2662 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2663 TALLOC_FREE(escape_memberuid);
2664 if (filter == NULL) {
2665 ret = NT_STATUS_NO_MEMORY;
2666 goto done;
2667 }
2668 }
2669
2670 filter = talloc_asprintf_append_buffer(filter, "))");
2671 if (filter == NULL) {
2672 ret = NT_STATUS_NO_MEMORY;
2673 goto done;
2674 }
2675
2676 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2677 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2678 &result);
2679
2680 if (rc != LDAP_SUCCESS)
2681 goto done;
2682
2683 count = ldap_count_entries(conn->ldap_struct, result);
2684 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2685
2686 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2687
2688 for (entry = ldap_first_entry(conn->ldap_struct, result);
2689 entry != NULL;
2690 entry = ldap_next_entry(conn->ldap_struct, entry))
2691 {
2692 char *sidstr;
2693 struct dom_sid sid;
2694 uint32_t rid;
2695
2696 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2697 entry, "sambaSID",
2698 mem_ctx);
2699 if (!sidstr) {
2700 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2701 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2702 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2703 goto done;
2704 }
2705
2706 if (!string_to_sid(&sid, sidstr))
2707 goto done;
2708
2709 if (!sid_check_is_in_our_sam(&sid)) {
2710 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2711 "in our domain\n"));
2712 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2713 goto done;
2714 }
2715
2716 sid_peek_rid(&sid, &rid);
2717
2718 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2719 p_num_members)) {
2720 ret = NT_STATUS_NO_MEMORY;
2721 goto done;
2722 }
2723 }
2724 }
2725
2726 filter = talloc_asprintf(mem_ctx,
2727 "(&(objectClass=%s)"
2728 "(gidNumber=%s))",
2729 LDAP_OBJ_SAMBASAMACCOUNT,
2730 gidstr);
2731
2732 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2733 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2734 &result);
2735
2736 if (rc != LDAP_SUCCESS)
2737 goto done;
2738
2739 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2740
2741 for (entry = ldap_first_entry(conn->ldap_struct, result);
2742 entry != NULL;
2743 entry = ldap_next_entry(conn->ldap_struct, entry))
2744 {
2745 uint32_t rid;
2746
2747 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2748 entry,
2749 get_global_sam_sid(),
2750 &rid)) {
2751 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2752 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2753 goto done;
2754 }
2755
2756 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2757 p_num_members)) {
2758 ret = NT_STATUS_NO_MEMORY;
2759 goto done;
2760 }
2761 }
2762
2763 ret = NT_STATUS_OK;
2764
2765 done:
2766
2767 if (values)
2768 ldap_value_free(values);
2769
2770 return ret;
2771 }
2772
2773 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2774 TALLOC_CTX *mem_ctx,
2775 struct samu *user,
2776 struct dom_sid **pp_sids,
2777 gid_t **pp_gids,
2778 uint32_t *p_num_groups)
2779 {
2780 struct ldapsam_privates *ldap_state =
2781 (struct ldapsam_privates *)methods->private_data;
2782 struct smbldap_state *conn = ldap_state->smbldap_state;
2783 char *filter;
2784 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2785 char *escape_name;
2786 int rc, count;
2787 LDAPMessage *result = NULL;
2788 LDAPMessage *entry;
2789 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2790 uint32_t num_sids;
2791 uint32_t num_gids;
2792 char *gidstr;
2793 gid_t primary_gid = -1;
2794
2795 *pp_sids = NULL;
2796 num_sids = 0;
2797
2798 if (pdb_get_username(user) == NULL) {
2799 return NT_STATUS_INVALID_PARAMETER;
2800 }
2801
2802 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2803 if (escape_name == NULL)
2804 return NT_STATUS_NO_MEMORY;
2805
2806 if (user->unix_pw) {
2807 primary_gid = user->unix_pw->pw_gid;
2808 } else {
2809 /* retrieve the users primary gid */
2810 filter = talloc_asprintf(mem_ctx,
2811 "(&(objectClass=%s)(uid=%s))",
2812 LDAP_OBJ_SAMBASAMACCOUNT,
2813 escape_name);
2814 if (filter == NULL) {
2815 ret = NT_STATUS_NO_MEMORY;
2816 goto done;
2817 }
2818
2819 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2820 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2821
2822 if (rc != LDAP_SUCCESS)
2823 goto done;
2824
2825 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2826
2827 count = ldap_count_entries(priv2ld(ldap_state), result);
2828
2829 switch (count) {
2830 case 0:
2831 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2832 ret = NT_STATUS_NO_SUCH_USER;
2833 goto done;
2834 case 1:
2835 entry = ldap_first_entry(priv2ld(ldap_state), result);
2836
2837 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2838 if (!gidstr) {
2839 DEBUG (1, ("Unable to find the member's gid!\n"));
2840 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2841 goto done;
2842 }
2843 primary_gid = strtoul(gidstr, NULL, 10);
2844 break;
2845 default:
2846 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2847 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2848 goto done;
2849 }
2850 }
2851
2852 filter = talloc_asprintf(mem_ctx,
2853 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2854 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2855 if (filter == NULL) {
2856 ret = NT_STATUS_NO_MEMORY;
2857 goto done;
2858 }
2859
2860 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2861 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2862
2863 if (rc != LDAP_SUCCESS)
2864 goto done;
2865
2866 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2867
2868 num_gids = 0;
2869 *pp_gids = NULL;
2870
2871 num_sids = 0;
2872 *pp_sids = NULL;
2873
2874 /* We need to add the primary group as the first gid/sid */
2875
2876 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2877 ret = NT_STATUS_NO_MEMORY;
2878 goto done;
2879 }
2880
2881 /* This sid will be replaced later */
2882
2883 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2884 &num_sids);
2885 if (!NT_STATUS_IS_OK(ret)) {
2886 goto done;
2887 }
2888
2889 for (entry = ldap_first_entry(conn->ldap_struct, result);
2890 entry != NULL;
2891 entry = ldap_next_entry(conn->ldap_struct, entry))
2892 {
2893 fstring str;
2894 struct dom_sid sid;
2895 gid_t gid;
2896 char *end;
2897
2898 if (!smbldap_get_single_attribute(conn->ldap_struct,
2899 entry, "sambaSID",
2900 str, sizeof(str)-1))
2901 continue;
2902
2903 if (!string_to_sid(&sid, str))
2904 goto done;
2905
2906 if (!smbldap_get_single_attribute(conn->ldap_struct,
2907 entry, "gidNumber",
2908 str, sizeof(str)-1))
2909 continue;
2910
2911 gid = strtoul(str, &end, 10);
2912
2913 if (PTR_DIFF(end, str) != strlen(str))
2914 goto done;
2915
2916 if (gid == primary_gid) {
2917 sid_copy(&(*pp_sids)[0], &sid);
2918 } else {
2919 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2920 &num_gids)) {
2921 ret = NT_STATUS_NO_MEMORY;
2922 goto done;
2923 }
2924 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2925 &num_sids);
2926 if (!NT_STATUS_IS_OK(ret)) {
2927 goto done;
2928 }
2929 }
2930 }
2931
2932 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2933 DEBUG(3, ("primary group of [%s] not found\n",
2934 pdb_get_username(user)));
2935 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2936 goto done;
2937 }
2938
2939 *p_num_groups = num_sids;
2940
2941 ret = NT_STATUS_OK;
2942
2943 done:
2944
2945 TALLOC_FREE(escape_name);
2946 return ret;
2947 }
2948
2949 /**********************************************************************
2950 * Augment a posixGroup object with a sambaGroupMapping domgroup
2951 *********************************************************************/
2952
2953 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2954 struct ldapsam_privates *ldap_state,
2955 GROUP_MAP *map)
2956 {
2957 const char *filter, *dn;
2958 LDAPMessage *msg, *entry;
2959 LDAPMod **mods;
2960 int rc;
2961
2962 filter = talloc_asprintf(mem_ctx,
2963 "(&(objectClass=%s)(gidNumber=%u))",
2964 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2965 if (filter == NULL) {
2966 return NT_STATUS_NO_MEMORY;
2967 }
2968
2969 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2970 get_attr_list(mem_ctx, groupmap_attr_list),
2971 &msg);
2972 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
2973
2974 if ((rc != LDAP_SUCCESS) ||
2975 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2976 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2977 return NT_STATUS_NO_SUCH_GROUP;
2978 }
2979
2980 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2981 if (dn == NULL) {
2982 return NT_STATUS_NO_MEMORY;
2983 }
2984
2985 mods = NULL;
2986 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2987 LDAP_OBJ_GROUPMAP);
2988 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2989 sid_string_talloc(mem_ctx, &map->sid));
2990 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2991 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2992 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2993 map->nt_name);
2994 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2995 map->comment);
2996 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
2997
2998 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2999 if (rc != LDAP_SUCCESS) {
3000 return NT_STATUS_ACCESS_DENIED;
3001 }
3002
3003 return NT_STATUS_OK;
3004 }
3005
3006 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3007 GROUP_MAP *map)
3008 {
3009 struct ldapsam_privates *ldap_state =
3010 (struct ldapsam_privates *)methods->private_data;
3011 LDAPMessage *msg = NULL;
3012 LDAPMod **mods = NULL;
3013 const char *attrs[] = { NULL };
3014 char *filter;
3015
3016 char *dn;
3017 TALLOC_CTX *mem_ctx;
3018 NTSTATUS result;
3019
3020 struct dom_sid sid;
3021
3022 int rc;
3023
3024 mem_ctx = talloc_new(NULL);
3025 if (mem_ctx == NULL) {
3026 DEBUG(0, ("talloc_new failed\n"));
3027 return NT_STATUS_NO_MEMORY;
3028 }
3029
3030 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3031 sid_string_talloc(mem_ctx, &map->sid));
3032 if (filter == NULL) {
3033 result = NT_STATUS_NO_MEMORY;
3034 goto done;
3035 }
3036
3037 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3038 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3039 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3040
3041 if ((rc == LDAP_SUCCESS) &&
3042 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3043
3044 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3045 "group mapping entry\n", sid_string_dbg(&map->sid)));
3046 result = NT_STATUS_GROUP_EXISTS;
3047 goto done;
3048 }
3049
3050 switch (map->sid_name_use) {
3051
3052 case SID_NAME_DOM_GRP:
3053 /* To map a domain group we need to have a posix group
3054 to attach to. */
3055 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3056 goto done;
3057 break;
3058
3059 case SID_NAME_ALIAS:
3060 if (!sid_check_is_in_our_sam(&map->sid)
3061 && !sid_check_is_in_builtin(&map->sid) )
3062 {
3063 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3064 sid_string_dbg(&map->sid)));
3065 result = NT_STATUS_INVALID_PARAMETER;
3066 goto done;
3067 }
3068 break;
3069
3070 default:
3071 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3072 sid_type_lookup(map->sid_name_use)));
3073 result = NT_STATUS_INVALID_PARAMETER;
3074 goto done;
3075 }
3076
3077 /* Domain groups have been mapped in a separate routine, we have to
3078 * create an alias now */
3079
3080 if (map->gid == -1) {
3081 DEBUG(10, ("Refusing to map gid==-1\n"));
3082 result = NT_STATUS_INVALID_PARAMETER;
3083 goto done;
3084 }
3085
3086 if (pdb_gid_to_sid(map->gid, &sid)) {
3087 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3088 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3089 result = NT_STATUS_GROUP_EXISTS;
3090 goto done;
3091 }
3092
3093 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3094 * the best we can get out of LDAP. */
3095
3096 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3097 sid_string_talloc(mem_ctx, &map->sid),
3098 lp_ldap_group_suffix(talloc_tos()));
3099 if (dn == NULL) {
3100 result = NT_STATUS_NO_MEMORY;
3101 goto done;
3102 }
3103
3104 mods = NULL;
3105
3106 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3107 LDAP_OBJ_SID_ENTRY);
3108 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3109 LDAP_OBJ_GROUPMAP);
3110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3111 sid_string_talloc(mem_ctx, &map->sid));
3112 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3113 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3114 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3115 map->nt_name);
3116 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3117 map->comment);
3118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3119 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3120 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3121
3122 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3123
3124 result = (rc == LDAP_SUCCESS) ?
3125 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3126
3127 done:
3128 TALLOC_FREE(mem_ctx);
3129 return result;
3130 }
3131
3132 /**********************************************************************
3133 * Update a group mapping entry. We're quite strict about what can be changed:
3134 * Only the description and displayname may be changed. It simply does not
3135 * make any sense to change the SID, gid or the type in a mapping.
3136 *********************************************************************/
3137
3138 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3139 GROUP_MAP *map)
3140 {
3141 struct ldapsam_privates *ldap_state =
3142 (struct ldapsam_privates *)methods->private_data;
3143 int rc;
3144 const char *filter, *dn;
3145 LDAPMessage *msg = NULL;
3146 LDAPMessage *entry = NULL;
3147 LDAPMod **mods = NULL;
3148 TALLOC_CTX *mem_ctx;
3149 NTSTATUS result;
3150
3151 mem_ctx = talloc_new(NULL);
3152 if (mem_ctx == NULL) {
3153 DEBUG(0, ("talloc_new failed\n"));
3154 return NT_STATUS_NO_MEMORY;
3155 }
3156
3157 /* Make 100% sure that sid, gid and type are not changed by looking up
3158 * exactly the values we're given in LDAP. */
3159
3160 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3161 "(sambaSid=%s)(gidNumber=%u)"
3162 "(sambaGroupType=%d))",
3163 LDAP_OBJ_GROUPMAP,
3164 sid_string_talloc(mem_ctx, &map->sid),
3165 (unsigned int)map->gid, map->sid_name_use);
3166 if (filter == NULL) {
3167 result = NT_STATUS_NO_MEMORY;
3168 goto done;
3169 }
3170
3171 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3172 get_attr_list(mem_ctx, groupmap_attr_list),
3173 &msg);
3174 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3175
3176 if ((rc != LDAP_SUCCESS) ||
3177 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3178 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3179 result = NT_STATUS_NO_SUCH_GROUP;
3180 goto done;
3181 }
3182
3183 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3184
3185 if (dn == NULL) {
3186 result = NT_STATUS_NO_MEMORY;
3187 goto done;
3188 }
3189
3190 mods = NULL;
3191 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3192 map->nt_name);
3193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3194 map->comment);
3195 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3196
3197 if (mods == NULL) {
3198 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3199 "nothing to do\n"));
3200 result = NT_STATUS_OK;
3201 goto done;
3202 }
3203
3204 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3205
3206 if (rc != LDAP_SUCCESS) {
3207 result = NT_STATUS_ACCESS_DENIED;
3208 goto done;
3209 }
3210
3211 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3212 "group %lu in LDAP\n", (unsigned long)map->gid));
3213
3214 result = NT_STATUS_OK;
3215
3216 done:
3217 TALLOC_FREE(mem_ctx);
3218 return result;
3219 }
3220
3221 /**********************************************************************
3222 *********************************************************************/
3223
3224 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3225 struct dom_sid sid)
3226 {
3227 struct ldapsam_privates *priv =
3228 (struct ldapsam_privates *)methods->private_data;
3229 LDAPMessage *msg, *entry;
3230 int rc;
3231 NTSTATUS result;
3232 TALLOC_CTX *mem_ctx;
3233 char *filter;
3234
3235 mem_ctx = talloc_new(NULL);
3236 if (mem_ctx == NULL) {
3237 DEBUG(0, ("talloc_new failed\n"));
3238 return NT_STATUS_NO_MEMORY;
3239 }
3240
3241 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3242 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3243 sid_string_talloc(mem_ctx, &sid));
3244 if (filter == NULL) {
3245 result = NT_STATUS_NO_MEMORY;
3246 goto done;
3247 }
3248 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3249 get_attr_list(mem_ctx, groupmap_attr_list),
3250 &msg);
3251 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3252
3253 if ((rc != LDAP_SUCCESS) ||
3254 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3255 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3256 result = NT_STATUS_NO_SUCH_GROUP;
3257 goto done;
3258 }
3259
3260 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3261 get_attr_list(mem_ctx,
3262 groupmap_attr_list_to_delete));
3263
3264 if ((rc == LDAP_NAMING_VIOLATION) ||
3265 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3266 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3267 const char *attrs[] = { "sambaGroupType", "description",
3268 "displayName", "sambaSIDList",
3269 NULL };
3270
3271 /* Second try. Don't delete the sambaSID attribute, this is
3272 for "old" entries that are tacked on a winbind
3273 sambaIdmapEntry. */
3274
3275 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3276 LDAP_OBJ_GROUPMAP, attrs);
3277 }
3278
3279 if ((rc == LDAP_NAMING_VIOLATION) ||
3280 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3281 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3282 const char *attrs[] = { "sambaGroupType", "description",
3283 "displayName", "sambaSIDList",
3284 "gidNumber", NULL };
3285
3286 /* Third try. This is a post-3.0.21 alias (containing only
3287 * sambaSidEntry and sambaGroupMapping classes), we also have
3288 * to delete the gidNumber attribute, only the sambaSidEntry
3289 * remains */
3290
3291 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3292 LDAP_OBJ_GROUPMAP, attrs);
3293 }
3294
3295 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3296
3297 done:
3298 TALLOC_FREE(mem_ctx);
3299 return result;
3300 }
3301
3302 /**********************************************************************
3303 *********************************************************************/
3304
3305 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3306 bool update)
3307 {
3308 struct ldapsam_privates *ldap_state =
3309 (struct ldapsam_privates *)my_methods->private_data;
3310 char *filter = NULL;
3311 int rc;
3312 const char **attr_list;
3313
3314 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3315 if (!filter) {
3316 return NT_STATUS_NO_MEMORY;
3317 }
3318 attr_list = get_attr_list( NULL, groupmap_attr_list );
3319 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3320 LDAP_SCOPE_SUBTREE, filter,
3321 attr_list, 0, &ldap_state->result);
3322 TALLOC_FREE(attr_list);
3323
3324 if (rc != LDAP_SUCCESS) {
3325 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3326 ldap_err2string(rc)));
3327 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3328 lp_ldap_suffix(talloc_tos()), filter));
3329 ldap_msgfree(ldap_state->result);
3330 ldap_state->result = NULL;
3331 TALLOC_FREE(filter);
3332 return NT_STATUS_UNSUCCESSFUL;
3333 }
3334
3335 TALLOC_FREE(filter);
3336
3337 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3338 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3339 ldap_state->result)));
3340
3341 ldap_state->entry =
3342 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3343 ldap_state->result);
3344 ldap_state->index = 0;
3345
3346 return NT_STATUS_OK;
3347 }
3348
3349 /**********************************************************************
3350 *********************************************************************/
3351
3352 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3353 {
3354 ldapsam_endsampwent(my_methods);
3355 }
3356
3357 /**********************************************************************
3358 *********************************************************************/
3359
3360 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3361 GROUP_MAP *map)
3362 {
3363 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3364 struct ldapsam_privates *ldap_state =
3365 (struct ldapsam_privates *)my_methods->private_data;
3366 bool bret = False;
3367
3368 while (!bret) {
3369 if (!ldap_state->entry)
3370 return ret;
3371
3372 ldap_state->index++;
3373 bret = init_group_from_ldap(ldap_state, map,
3374 ldap_state->entry);
3375
3376 ldap_state->entry =
3377 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3378 ldap_state->entry);
3379 }
3380
3381 return NT_STATUS_OK;
3382 }
3383
3384 /**********************************************************************
3385 *********************************************************************/
3386
3387 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3388 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3389 GROUP_MAP ***pp_rmap,
3390 size_t *p_num_entries,
3391 bool unix_only)
3392 {
3393 GROUP_MAP *map = NULL;
3394 size_t entries = 0;
3395
3396 *p_num_entries = 0;
3397 *pp_rmap = NULL;
3398
3399 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3400 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3401 "passdb\n"));
3402 return NT_STATUS_ACCESS_DENIED;
3403 }
3404
3405 while (true) {
3406
3407 map = talloc_zero(NULL, GROUP_MAP);
3408 if (!map) {
3409 return NT_STATUS_NO_MEMORY;
3410 }
3411
3412 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3413 TALLOC_FREE(map);
3414 break;
3415 }
3416
3417 if (sid_name_use != SID_NAME_UNKNOWN &&
3418 sid_name_use != map->sid_name_use) {
3419 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3420 "not of the requested type\n",
3421 map->nt_name));
3422 continue;
3423 }
3424 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3425 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3426 "non mapped\n", map->nt_name));
3427 continue;
3428 }
3429
3430 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3431 GROUP_MAP *, entries + 1);
3432 if (!(*pp_rmap)) {
3433 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3434 "enlarge group map!\n"));
3435 return NT_STATUS_UNSUCCESSFUL;
3436 }
3437
3438 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3439
3440 entries += 1;
3441 }
3442
3443 ldapsam_endsamgrent(methods);
3444
3445 *p_num_entries = entries;
3446
3447 return NT_STATUS_OK;
3448 }
3449
3450 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3451 const struct dom_sid *alias,
3452 const struct dom_sid *member,
3453 int modop)
3454 {
3455 struct ldapsam_privates *ldap_state =
3456 (struct ldapsam_privates *)methods->private_data;
3457 char *dn = NULL;
3458 LDAPMessage *result = NULL;
3459 LDAPMessage *entry = NULL;
3460 int count;
3461 LDAPMod **mods = NULL;
3462 int rc;
3463 enum lsa_SidType type = SID_NAME_USE_NONE;
3464 fstring tmp;
3465
3466 char *filter = NULL;
3467
3468 if (sid_check_is_in_builtin(alias)) {
3469 type = SID_NAME_ALIAS;
3470 }
3471
3472 if (sid_check_is_in_our_sam(alias)) {
3473 type = SID_NAME_ALIAS;
3474 }
3475
3476 if (type == SID_NAME_USE_NONE) {
3477 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3478 sid_string_dbg(alias)));
3479 return NT_STATUS_NO_SUCH_ALIAS;
3480 }
3481
3482 if (asprintf(&filter,
3483 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3484 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3485 type) < 0) {
3486 return NT_STATUS_NO_MEMORY;
3487 }
3488
3489 if (ldapsam_search_one_group(ldap_state, filter,
3490 &result) != LDAP_SUCCESS) {
3491 SAFE_FREE(filter);
3492 return NT_STATUS_NO_SUCH_ALIAS;
3493 }
3494
3495 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3496 result);
3497
3498 if (count < 1) {
3499 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3500 ldap_msgfree(result);
3501 SAFE_FREE(filter);
3502 return NT_STATUS_NO_SUCH_ALIAS;
3503 }
3504
3505 if (count > 1) {
3506 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3507 "filter %s: count=%d\n", filter, count));
3508 ldap_msgfree(result);
3509 SAFE_FREE(filter);
3510 return NT_STATUS_NO_SUCH_ALIAS;
3511 }
3512
3513 SAFE_FREE(filter);
3514
3515 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3516 result);
3517
3518 if (!entry) {
3519 ldap_msgfree(result);
3520 return NT_STATUS_UNSUCCESSFUL;
3521 }
3522
3523 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3524 if (!dn) {
3525 ldap_msgfree(result);
3526 return NT_STATUS_UNSUCCESSFUL;
3527 }
3528
3529 smbldap_set_mod(&mods, modop,
3530 get_attr_key2string(groupmap_attr_list,
3531 LDAP_ATTR_SID_LIST),
3532 sid_to_fstring(tmp, member));
3533
3534 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3535
3536 ldap_mods_free(mods, True);
3537 ldap_msgfree(result);
3538 TALLOC_FREE(dn);
3539
3540 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3541 return NT_STATUS_MEMBER_IN_ALIAS;
3542 }
3543
3544 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3545 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3546 }
3547
3548 if (rc != LDAP_SUCCESS) {
3549 return NT_STATUS_UNSUCCESSFUL;
3550 }
3551
3552 return NT_STATUS_OK;
3553 }
3554
3555 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3556 const struct dom_sid *alias,
3557 const struct dom_sid *member)
3558 {
3559 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3560 }
3561
3562 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3563 const struct dom_sid *alias,
3564 const struct dom_sid *member)
3565 {
3566 return ldapsam_modify_aliasmem(methods, alias, member,
3567 LDAP_MOD_DELETE);
3568 }
3569
3570 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3571 const struct dom_sid *alias,
3572 TALLOC_CTX *mem_ctx,
3573 struct dom_sid **pp_members,
3574 size_t *p_num_members)
3575 {
3576 struct ldapsam_privates *ldap_state =
3577 (struct ldapsam_privates *)methods->private_data;
3578 LDAPMessage *result = NULL;
3579 LDAPMessage *entry = NULL;
3580 int count;
3581 char **values = NULL;
3582 int i;
3583 char *filter = NULL;
3584 uint32_t num_members = 0;
3585 enum lsa_SidType type = SID_NAME_USE_NONE;
3586 fstring tmp;
3587
3588 *pp_members = NULL;
3589 *p_num_members = 0;
3590
3591 if (sid_check_is_in_builtin(alias)) {
3592 type = SID_NAME_ALIAS;
3593 }
3594
3595 if (sid_check_is_in_our_sam(alias)) {
3596 type = SID_NAME_ALIAS;
3597 }
3598
3599 if (type == SID_NAME_USE_NONE) {
3600 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3601 sid_string_dbg(alias)));
3602 return NT_STATUS_NO_SUCH_ALIAS;
3603 }
3604
3605 if (asprintf(&filter,
3606 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3607 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3608 type) < 0) {
3609 return NT_STATUS_NO_MEMORY;
3610 }
3611
3612 if (ldapsam_search_one_group(ldap_state, filter,
3613 &result) != LDAP_SUCCESS) {
3614 SAFE_FREE(filter);
3615 return NT_STATUS_NO_SUCH_ALIAS;
3616 }
3617
3618 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3619 result);
3620
3621 if (count < 1) {
3622 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3623 ldap_msgfree(result);
3624 SAFE_FREE(filter);
3625 return NT_STATUS_NO_SUCH_ALIAS;
3626 }
3627
3628 if (count > 1) {
3629 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3630 "filter %s: count=%d\n", filter, count));
3631 ldap_msgfree(result);
3632 SAFE_FREE(filter);
3633 return NT_STATUS_NO_SUCH_ALIAS;
3634 }
3635
3636 SAFE_FREE(filter);
3637
3638 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3639 result);
3640
3641 if (!entry) {
3642 ldap_msgfree(result);
3643 return NT_STATUS_UNSUCCESSFUL;
3644 }
3645
3646 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3647 entry,
3648 get_attr_key2string(groupmap_attr_list,
3649 LDAP_ATTR_SID_LIST));
3650
3651 if (values == NULL) {
3652 ldap_msgfree(result);
3653 return NT_STATUS_OK;
3654 }
3655
3656 count = ldap_count_values(values);
3657
3658 for (i=0; i<count; i++) {
3659 struct dom_sid member;
3660 NTSTATUS status;
3661
3662 if (!string_to_sid(&member, values[i]))
3663 continue;
3664
3665 status = add_sid_to_array(mem_ctx, &member, pp_members,
3666 &num_members);
3667 if (!NT_STATUS_IS_OK(status)) {
3668 ldap_value_free(values);
3669 ldap_msgfree(result);
3670 return status;
3671 }
3672 }
3673
3674 *p_num_members = num_members;
3675 ldap_value_free(values);
3676 ldap_msgfree(result);
3677
3678 return NT_STATUS_OK;
3679 }
3680
3681 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3682 TALLOC_CTX *mem_ctx,
3683 const struct dom_sid *domain_sid,
3684 const struct dom_sid *members,
3685 size_t num_members,
3686 uint32_t **pp_alias_rids,
3687 size_t *p_num_alias_rids)
3688 {
3689 struct ldapsam_privates *ldap_state =
3690 (struct ldapsam_privates *)methods->private_data;
3691 LDAP *ldap_struct;
3692
3693 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3694
3695 LDAPMessage *result = NULL;
3696 LDAPMessage *entry = NULL;
3697 int i;
3698 int rc;
3699 char *filter;
3700 enum lsa_SidType type = SID_NAME_USE_NONE;
3701 bool is_builtin = false;
3702 bool sid_added = false;
3703
3704 *pp_alias_rids = NULL;
3705 *p_num_alias_rids = 0;
3706
3707 if (sid_check_is_builtin(domain_sid)) {
3708 is_builtin = true;
3709 type = SID_NAME_ALIAS;
3710 }
3711
3712 if (sid_check_is_our_sam(domain_sid)) {
3713 type = SID_NAME_ALIAS;
3714 }
3715
3716 if (type == SID_NAME_USE_NONE) {
3717 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3718 sid_string_dbg(domain_sid)));
3719 return NT_STATUS_UNSUCCESSFUL;
3720 }
3721
3722 if (num_members == 0) {
3723 return NT_STATUS_OK;
3724 }
3725
3726 filter = talloc_asprintf(mem_ctx,
3727 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3728 LDAP_OBJ_GROUPMAP, type);
3729
3730 for (i=0; i<num_members; i++)
3731 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3732 filter,
3733 sid_string_talloc(mem_ctx,
3734 &members[i]));
3735
3736 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3737
3738 if (filter == NULL) {
3739 return NT_STATUS_NO_MEMORY;
3740 }
3741
3742 if (is_builtin &&
3743 ldap_state->search_cache.filter &&
3744 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3745 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3746 result = ldap_state->search_cache.result;
3747 ldap_state->search_cache.result = NULL;
3748 } else {
3749 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3750 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3751 if (rc != LDAP_SUCCESS) {
3752 return NT_STATUS_UNSUCCESSFUL;
3753 }
3754 smbldap_talloc_autofree_ldapmsg(filter, result);
3755 }
3756
3757 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3758
3759 for (entry = ldap_first_entry(ldap_struct, result);
3760 entry != NULL;
3761 entry = ldap_next_entry(ldap_struct, entry))
3762 {
3763 fstring sid_str;
3764 struct dom_sid sid;
3765 uint32_t rid;
3766
3767 if (!smbldap_get_single_attribute(ldap_struct, entry,
3768 LDAP_ATTRIBUTE_SID,
3769 sid_str,
3770 sizeof(sid_str)-1))
3771 continue;
3772
3773 if (!string_to_sid(&sid, sid_str))
3774 continue;
3775
3776 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3777 continue;
3778
3779 sid_added = true;
3780
3781 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3782 p_num_alias_rids)) {
3783 return NT_STATUS_NO_MEMORY;
3784 }
3785 }
3786
3787 if (!is_builtin && !sid_added) {
3788 TALLOC_FREE(ldap_state->search_cache.filter);
3789 /*
3790 * Note: result is a talloc child of filter because of the
3791 * smbldap_talloc_autofree_ldapmsg() usage
3792 */
3793 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3794 ldap_state->search_cache.result = result;
3795 }
3796
3797 return NT_STATUS_OK;
3798 }
3799
3800 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3801 enum pdb_policy_type type,
3802 uint32_t value)
3803 {
3804 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3805 int rc;
3806 LDAPMod **mods = NULL;
3807 fstring value_string;
3808 const char *policy_attr = NULL;
3809
3810 struct ldapsam_privates *ldap_state =
3811 (struct ldapsam_privates *)methods->private_data;
3812
3813 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3814
3815 if (!ldap_state->domain_dn) {
3816 return NT_STATUS_INVALID_PARAMETER;
3817 }
3818
3819 policy_attr = get_account_policy_attr(type);
3820 if (policy_attr == NULL) {
3821 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3822 "policy\n"));
3823 return ntstatus;
3824 }
3825
3826 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3827
3828 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3829
3830 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3831 mods);
3832
3833 ldap_mods_free(mods, True);
3834
3835 if (rc != LDAP_SUCCESS) {
3836 return ntstatus;
3837 }
3838
3839 if (!cache_account_policy_set(type, value)) {
3840 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3841 "update local tdb cache\n"));
3842 return ntstatus;
3843 }
3844
3845 return NT_STATUS_OK;
3846 }
3847
3848 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3849 enum pdb_policy_type type,
3850 uint32_t value)
3851 {
3852 return ldapsam_set_account_policy_in_ldap(methods, type,
3853 value);
3854 }
3855
3856 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3857 enum pdb_policy_type type,
3858 uint32_t *value)
3859 {
3860 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3861 LDAPMessage *result = NULL;
3862 LDAPMessage *entry = NULL;
3863 int count;
3864 int rc;
3865 char **vals = NULL;
3866 char *filter;
3867 const char *policy_attr = NULL;
3868
3869 struct ldapsam_privates *ldap_state =
3870 (struct ldapsam_privates *)methods->private_data;
3871
3872 const char *attrs[2];
3873
3874 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3875
3876 if (!ldap_state->domain_dn) {
3877 return NT_STATUS_INVALID_PARAMETER;
3878 }
3879
3880 policy_attr = get_account_policy_attr(type);
3881 if (!policy_attr) {
3882 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3883 "policy index: %d\n", type));
3884 return ntstatus;
3885 }
3886
3887 attrs[0] = policy_attr;
3888 attrs[1] = NULL;
3889
3890 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3891 if (filter == NULL) {
3892 return NT_STATUS_NO_MEMORY;
3893 }
3894 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3895 LDAP_SCOPE_BASE, filter, attrs, 0,
3896 &result);
3897 TALLOC_FREE(filter);
3898 if (rc != LDAP_SUCCESS) {
3899 return ntstatus;
3900 }
3901
3902 count = ldap_count_entries(priv2ld(ldap_state), result);
3903 if (count < 1) {
3904 goto out;
3905 }
3906
3907 entry = ldap_first_entry(priv2ld(ldap_state), result);
3908 if (entry == NULL) {
3909 goto out;
3910 }
3911
3912 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3913 if (vals == NULL) {
3914 goto out;
3915 }
3916
3917 *value = (uint32_t)atol(vals[0]);
3918
3919 ntstatus = NT_STATUS_OK;
3920
3921 out:
3922 if (vals)
3923 ldap_value_free(vals);
3924 ldap_msgfree(result);
3925
3926 return ntstatus;
3927 }
3928
3929 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3930
3931 - if user hasn't decided to use account policies inside LDAP just reuse the
3932 old tdb values
3933
3934 - if there is a valid cache entry, return that
3935 - if there is an LDAP entry, update cache and return
3936 - otherwise set to default, update cache and return
3937
3938 Guenther
3939 */
3940 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3941 enum pdb_policy_type type,
3942 uint32_t *value)
3943 {
3944 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3945
3946 if (cache_account_policy_get(type, value)) {
3947 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3948 "cache\n"));
3949 return NT_STATUS_OK;
3950 }
3951
3952 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3953 value);
3954 if (NT_STATUS_IS_OK(ntstatus)) {
3955 goto update_cache;
3956 }
3957
3958 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3959 "ldap\n"));
3960
3961 #if 0
3962 /* should we automagically migrate old tdb value here ? */
3963 if (account_policy_get(type, value))
3964 goto update_ldap;
3965
3966 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3967 "default\n", type));
3968 #endif
3969
3970 if (!account_policy_get_default(type, value)) {
3971 return ntstatus;
3972 }
3973
3974 /* update_ldap: */
3975
3976 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3977 if (!NT_STATUS_IS_OK(ntstatus)) {
3978 return ntstatus;
3979 }
3980
3981 update_cache:
3982
3983 if (!cache_account_policy_set(type, *value)) {
3984 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3985 "tdb as a cache\n"));
3986 return NT_STATUS_UNSUCCESSFUL;
3987 }
3988
3989 return NT_STATUS_OK;
3990 }
3991
3992 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3993 const struct dom_sid *domain_sid,
3994 int num_rids,
3995 uint32_t *rids,
3996 const char **names,
3997 enum lsa_SidType *attrs)
3998 {
3999 struct ldapsam_privates *ldap_state =
4000 (struct ldapsam_privates *)methods->private_data;
4001 LDAPMessage *msg = NULL;
4002 LDAPMessage *entry;
4003 char *allsids = NULL;
4004 int i, rc, num_mapped;
4005 NTSTATUS result = NT_STATUS_NO_MEMORY;
4006 TALLOC_CTX *mem_ctx;
4007 LDAP *ld;
4008 bool is_builtin;
4009
4010 mem_ctx = talloc_new(NULL);
4011 if (mem_ctx == NULL) {
4012 DEBUG(0, ("talloc_new failed\n"));
4013 goto done;
4014 }
4015
4016 if (!sid_check_is_builtin(domain_sid) &&
4017 !sid_check_is_our_sam(domain_sid)) {
4018 result = NT_STATUS_INVALID_PARAMETER;
4019 goto done;
4020 }
4021
4022 if (num_rids == 0) {
4023 result = NT_STATUS_NONE_MAPPED;
4024 goto done;
4025 }
4026
4027 for (i=0; i<num_rids; i++)
4028 attrs[i] = SID_NAME_UNKNOWN;
4029
4030 allsids = talloc_strdup(mem_ctx, "");
4031 if (allsids == NULL) {
4032 goto done;
4033 }
4034
4035 for (i=0; i<num_rids; i++) {
4036 struct dom_sid sid;
4037 sid_compose(&sid, domain_sid, rids[i]);
4038 allsids = talloc_asprintf_append_buffer(
4039 allsids, "(sambaSid=%s)",
4040 sid_string_talloc(mem_ctx, &sid));
4041 if (allsids == NULL) {
4042 goto done;
4043 }
4044 }
4045
4046 /* First look for users */
4047
4048 {
4049 char *filter;
4050 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4051
4052 filter = talloc_asprintf(
4053 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4054 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4055
4056 if (filter == NULL) {
4057 goto done;
4058 }
4059
4060 rc = smbldap_search(ldap_state->smbldap_state,
4061 lp_ldap_user_suffix(talloc_tos()),
4062 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4063 &msg);
4064 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4065 }
4066
4067 if (rc != LDAP_SUCCESS)
4068 goto done;
4069
4070 ld = ldap_state->smbldap_state->ldap_struct;
4071 num_mapped = 0;
4072
4073 for (entry = ldap_first_entry(ld, msg);
4074 entry != NULL;
4075 entry = ldap_next_entry(ld, entry)) {
4076 uint32_t rid;
4077 int rid_index;
4078 const char *name;
4079
4080 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4081 &rid)) {
4082 DEBUG(2, ("Could not find sid from ldap entry\n"));
4083 continue;
4084 }
4085
4086 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4087 names);
4088 if (name == NULL) {
4089 DEBUG(2, ("Could not retrieve uid attribute\n"));
4090 continue;
4091 }
4092
4093 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4094 if (rid == rids[rid_index])
4095 break;
4096 }
4097
4098 if (rid_index == num_rids) {
4099 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4100 continue;
4101 }
4102
4103 attrs[rid_index] = SID_NAME_USER;
4104 names[rid_index] = name;
4105 num_mapped += 1;
4106 }
4107
4108 if (num_mapped == num_rids) {
4109 /* No need to look for groups anymore -- we're done */
4110 result = NT_STATUS_OK;
4111 goto done;
4112 }
4113
4114 /* Same game for groups */
4115
4116 {
4117 char *filter;
4118 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4119 "sambaGroupType", NULL };
4120
4121 filter = talloc_asprintf(
4122 mem_ctx, "(&(objectClass=%s)(|%s))",
4123 LDAP_OBJ_GROUPMAP, allsids);
4124 if (filter == NULL) {
4125 goto done;
4126 }
4127
4128 rc = smbldap_search(ldap_state->smbldap_state,
4129 lp_ldap_suffix(talloc_tos()),
4130 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4131 &msg);
4132 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4133 }
4134
4135 if (rc != LDAP_SUCCESS)
4136 goto done;
4137
4138 /* ldap_struct might have changed due to a reconnect */
4139
4140 ld = ldap_state->smbldap_state->ldap_struct;
4141
4142 /* For consistency checks, we already checked we're only domain or builtin */
4143
4144 is_builtin = sid_check_is_builtin(domain_sid);
4145
4146 for (entry = ldap_first_entry(ld, msg);
4147 entry != NULL;
4148 entry = ldap_next_entry(ld, entry))
4149 {
4150 uint32_t rid;
4151 int rid_index;
4152 const char *attr;
4153 enum lsa_SidType type;
4154 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4155
4156 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4157 mem_ctx);
4158 if (attr == NULL) {
4159 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4160 dn));
4161 continue;
4162 }
4163
4164 type = (enum lsa_SidType)atol(attr);
4165
4166 /* Consistency checks */
4167 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4168 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4169 (type != SID_NAME_DOM_GRP)))) {
4170 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4171 }
4172
4173 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4174 &rid)) {
4175 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4176 continue;
4177 }
4178
4179 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4180
4181 if (attr == NULL) {
4182 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4183 dn));
4184 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4185 }
4186
4187 if (attr == NULL) {
4188 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4189 dn));
4190 continue;
4191 }
4192
4193 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4194 if (rid == rids[rid_index])
4195 break;
4196 }
4197
4198 if (rid_index == num_rids) {
4199 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4200 continue;
4201 }
4202
4203 attrs[rid_index] = type;
4204 names[rid_index] = attr;
4205 num_mapped += 1;
4206 }
4207
4208 result = NT_STATUS_NONE_MAPPED;
4209
4210 if (num_mapped > 0)
4211 result = (num_mapped == num_rids) ?
4212 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4213 done:
4214 TALLOC_FREE(mem_ctx);
4215 return result;
4216 }
4217
4218 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4219 {
4220 char *filter = NULL;
4221 char *escaped = NULL;
4222 char *result = NULL;
4223
4224 if (asprintf(&filter, "(&%s(objectclass=%s))",
4225 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4226 goto done;
4227 }
4228
4229 escaped = escape_ldap_string(talloc_tos(), username);
4230 if (escaped == NULL) goto done;
4231
4232 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4233
4234 done:
4235 SAFE_FREE(filter);
4236 TALLOC_FREE(escaped);
4237
4238 return result;
4239 }
4240
4241 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4242 {
4243 int i, num = 0;
4244 va_list ap;
4245 const char **result;
4246
4247 va_start(ap, mem_ctx);
4248 while (va_arg(ap, const char *) != NULL)
4249 num += 1;
4250 va_end(ap);
4251
4252 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4253 return NULL;
4254 }
4255
4256 va_start(ap, mem_ctx);
4257 for (i=0; i<num; i++) {
4258 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4259 if (result[i] == NULL) {
4260 talloc_free(result);
4261 va_end(ap);
4262 return NULL;
4263 }
4264 }
4265 va_end(ap);
4266
4267 result[num] = NULL;
4268 return result;
4269 }
4270
4271 struct ldap_search_state {
4272 struct smbldap_state *connection;
4273
4274 uint32_t acct_flags;
4275 uint16_t group_type;
4276
4277 const char *base;
4278 int scope;
4279 const char *filter;
4280 const char **attrs;
4281 int attrsonly;
4282 void *pagedresults_cookie;
4283
4284 LDAPMessage *entries, *current_entry;
4285 bool (*ldap2displayentry)(struct ldap_search_state *state,
4286 TALLOC_CTX *mem_ctx,
4287 LDAP *ld, LDAPMessage *entry,
4288 struct samr_displayentry *result);
4289 };
4290
4291 static bool ldapsam_search_firstpage(struct pdb_search *search)
4292 {
4293 struct ldap_search_state *state =
4294 (struct ldap_search_state *)search->private_data;
4295 LDAP *ld;
4296 int rc = LDAP_OPERATIONS_ERROR;
4297
4298 state->entries = NULL;
4299
4300 if (state->connection->paged_results) {
4301 rc = smbldap_search_paged(state->connection, state->base,
4302 state->scope, state->filter,
4303 state->attrs, state->attrsonly,
4304 lp_ldap_page_size(), &state->entries,
4305 &state->pagedresults_cookie);
4306 }
4307
4308 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4309
4310 if (state->entries != NULL) {
4311 /* Left over from unsuccessful paged attempt */
4312 ldap_msgfree(state->entries);
4313 state->entries = NULL;
4314 }
4315
4316 rc = smbldap_search(state->connection, state->base,
4317 state->scope, state->filter, state->attrs,
4318 state->attrsonly, &state->entries);
4319
4320 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4321 return False;
4322
4323 /* Ok, the server was lying. It told us it could do paged
4324 * searches when it could not. */
4325 state->connection->paged_results = False;
4326 }
4327
4328 ld = state->connection->ldap_struct;
4329 if ( ld == NULL) {
4330 DEBUG(5, ("Don't have an LDAP connection right after a "
4331 "search\n"));
4332 return False;
4333 }
4334 state->current_entry = ldap_first_entry(ld, state->entries);
4335
4336 return True;
4337 }
4338
4339 static bool ldapsam_search_nextpage(struct pdb_search *search)
4340 {
4341 struct ldap_search_state *state =
4342 (struct ldap_search_state *)search->private_data;
4343 int rc;
4344
4345 if (!state->connection->paged_results) {
4346 /* There is no next page when there are no paged results */
4347 return False;
4348 }
4349
4350 rc = smbldap_search_paged(state->connection, state->base,
4351 state->scope, state->filter, state->attrs,
4352 state->attrsonly, lp_ldap_page_size(),
4353 &state->entries,
4354 &state->pagedresults_cookie);
4355
4356 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4357 return False;
4358
4359 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4360
4361 if (state->current_entry == NULL) {
4362 ldap_msgfree(state->entries);
4363 state->entries = NULL;
4364 return false;
4365 }
4366
4367 return True;
4368 }
4369
4370 static bool ldapsam_search_next_entry(struct pdb_search *search,
4371 struct samr_displayentry *entry)
4372 {
4373 struct ldap_search_state *state =
4374 (struct ldap_search_state *)search->private_data;
4375 bool result;
4376
4377 retry:
4378 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4379 return False;
4380
4381 if ((state->entries == NULL) &&
4382 !ldapsam_search_nextpage(search))
4383 return False;
4384
4385 if (state->current_entry == NULL) {
4386 return false;
4387 }
4388
4389 result = state->ldap2displayentry(state, search,
4390 state->connection->ldap_struct,
4391 state->current_entry, entry);
4392
4393 if (!result) {
4394 char *dn;
4395 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4396 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4397 if (dn != NULL) ldap_memfree(dn);
4398 }
4399
4400 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4401
4402 if (state->current_entry == NULL) {
4403 ldap_msgfree(state->entries);
4404 state->entries = NULL;
4405 }
4406
4407 if (!result) goto retry;
4408
4409 return True;
4410 }
4411
4412 static void ldapsam_search_end(struct pdb_search *search)
4413 {
4414 struct ldap_search_state *state =
4415 (struct ldap_search_state *)search->private_data;
4416 int rc;
4417
4418 if (state->pagedresults_cookie == NULL)
4419 return;
4420
4421 if (state->entries != NULL)
4422 ldap_msgfree(state->entries);
4423
4424 state->entries = NULL;
4425 state->current_entry = NULL;
4426
4427 if (!state->connection->paged_results)
4428 return;
4429
4430 /* Tell the LDAP server we're not interested in the rest anymore. */
4431
4432 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4433 state->filter, state->attrs,
4434 state->attrsonly, 0, &state->entries,
4435 &state->pagedresults_cookie);
4436
4437 if (rc != LDAP_SUCCESS)
4438 DEBUG(5, ("Could not end search properly\n"));
4439
4440 return;
4441 }
4442
4443 static bool ldapuser2displayentry(struct ldap_search_state *state,
4444 TALLOC_CTX *mem_ctx,
4445 LDAP *ld, LDAPMessage *entry,
4446 struct samr_displayentry *result)
4447 {
4448 char **vals;
4449 size_t converted_size;
4450 struct dom_sid sid;
4451 uint32_t acct_flags;
4452
4453 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4454 if ((vals == NULL) || (vals[0] == NULL)) {
4455 acct_flags = ACB_NORMAL;
4456 } else {
4457 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4458 ldap_value_free(vals);
4459 }
4460
4461 if ((state->acct_flags != 0) &&
4462 ((state->acct_flags & acct_flags) == 0))
4463 return False;
4464
4465 result->acct_flags = acct_flags;
4466 result->account_name = "";
4467 result->fullname = "";
4468 result->description = "";
4469
4470 vals = ldap_get_values(ld, entry, "uid");
4471 if ((vals == NULL) || (vals[0] == NULL)) {
4472 DEBUG(5, ("\"uid\" not found\n"));
4473 return False;
4474 }
4475 if (!pull_utf8_talloc(mem_ctx,
4476 discard_const_p(char *, &result->account_name),
4477 vals[0], &converted_size))
4478 {
4479 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4480 strerror(errno)));
4481 }
4482
4483 ldap_value_free(vals);
4484
4485 vals = ldap_get_values(ld, entry, "displayName");
4486 if ((vals == NULL) || (vals[0] == NULL))
4487 DEBUG(8, ("\"displayName\" not found\n"));
4488 else if (!pull_utf8_talloc(mem_ctx,
4489 discard_const_p(char *, &result->fullname),
4490 vals[0], &converted_size))
4491 {
4492 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4493 strerror(errno)));
4494 }
4495
4496 ldap_value_free(vals);
4497
4498 vals = ldap_get_values(ld, entry, "description");
4499 if ((vals == NULL) || (vals[0] == NULL))
4500 DEBUG(8, ("\"description\" not found\n"));
4501 else if (!pull_utf8_talloc(mem_ctx,
4502 discard_const_p(char *, &result->description),
4503 vals[0], &converted_size))
4504 {
4505 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4506 strerror(errno)));
4507 }
4508
4509 ldap_value_free(vals);
4510
4511 if ((result->account_name == NULL) ||
4512 (result->fullname == NULL) ||
4513 (result->description == NULL)) {
4514 DEBUG(0, ("talloc failed\n"));
4515 return False;
4516 }
4517
4518 vals = ldap_get_values(ld, entry, "sambaSid");
4519 if ((vals == NULL) || (vals[0] == NULL)) {
4520 DEBUG(0, ("\"objectSid\" not found\n"));
4521 return False;
4522 }
4523
4524 if (!string_to_sid(&sid, vals[0])) {
4525 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4526 ldap_value_free(vals);
4527 return False;
4528 }
4529 ldap_value_free(vals);
4530
4531 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4532 DEBUG(0, ("sid %s does not belong to our domain\n",
4533 sid_string_dbg(&sid)));
4534 return False;
4535 }
4536
4537 return True;
4538 }
4539
4540
4541 static bool ldapsam_search_users(struct pdb_methods *methods,
4542 struct pdb_search *search,
4543 uint32_t acct_flags)
4544 {
4545 struct ldapsam_privates *ldap_state =
4546 (struct ldapsam_privates *)methods->private_data;
4547 struct ldap_search_state *state;
4548
4549 state = talloc(search, struct ldap_search_state);
4550 if (state == NULL) {
4551 DEBUG(0, ("talloc failed\n"));
4552 return False;
4553 }
4554
4555 state->connection = ldap_state->smbldap_state;
4556
4557 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4558 state->base = lp_ldap_user_suffix(talloc_tos());
4559 else if ((acct_flags != 0) &&
4560 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4561 state->base = lp_ldap_machine_suffix(talloc_tos());
4562 else
4563 state->base = lp_ldap_suffix(talloc_tos());
4564
4565 state->acct_flags = acct_flags;
4566 state->base = talloc_strdup(search, state->base);
4567 state->scope = LDAP_SCOPE_SUBTREE;
4568 state->filter = get_ldap_filter(search, "*");
4569 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4570 "displayName", "description",
4571 "sambaAcctFlags", NULL);
4572 state->attrsonly = 0;
4573 state->pagedresults_cookie = NULL;
4574 state->entries = NULL;
4575 state->ldap2displayentry = ldapuser2displayentry;
4576
4577 if ((state->filter == NULL) || (state->attrs == NULL)) {
4578 DEBUG(0, ("talloc failed\n"));
4579 return False;
4580 }
4581
4582 search->private_data = state;
4583 search->next_entry = ldapsam_search_next_entry;
4584 search->search_end = ldapsam_search_end;
4585
4586 return ldapsam_search_firstpage(search);
4587 }
4588
4589 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4590 TALLOC_CTX *mem_ctx,
4591 LDAP *ld, LDAPMessage *entry,
4592 struct samr_displayentry *result)
4593 {
4594 char **vals;
4595 size_t converted_size;
4596 struct dom_sid sid;
4597 uint16_t group_type;
4598
4599 result->account_name = "";
4600 result->fullname = "";
4601 result->description = "";
4602
4603
4604 vals = ldap_get_values(ld, entry, "sambaGroupType");
4605 if ((vals == NULL) || (vals[0] == NULL)) {
4606 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4607 if (vals != NULL) {
4608 ldap_value_free(vals);
4609 }
4610 return False;
4611 }
4612
4613 group_type = atoi(vals[0]);
4614
4615 if ((state->group_type != 0) &&
4616 ((state->group_type != group_type))) {
4617 ldap_value_free(vals);
4618 return False;
4619 }
4620
4621 ldap_value_free(vals);
4622
4623 /* display name is the NT group name */
4624
4625 vals = ldap_get_values(ld, entry, "displayName");
4626 if ((vals == NULL) || (vals[0] == NULL)) {
4627 DEBUG(8, ("\"displayName\" not found\n"));
4628
4629 /* fallback to the 'cn' attribute */
4630 vals = ldap_get_values(ld, entry, "cn");
4631 if ((vals == NULL) || (vals[0] == NULL)) {
4632 DEBUG(5, ("\"cn\" not found\n"));
4633 return False;
4634 }
4635 if (!pull_utf8_talloc(mem_ctx,
4636 discard_const_p(char *,
4637 &result->account_name),
4638 vals[0], &converted_size))
4639 {
4640 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4641 "failed: %s", strerror(errno)));
4642 }
4643 }
4644 else if (!pull_utf8_talloc(mem_ctx,
4645 discard_const_p(char *,
4646 &result->account_name),
4647 vals[0], &converted_size))
4648 {
4649 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4650 strerror(errno)));
4651 }
4652
4653 ldap_value_free(vals);
4654
4655 vals = ldap_get_values(ld, entry, "description");
4656 if ((vals == NULL) || (vals[0] == NULL))
4657 DEBUG(8, ("\"description\" not found\n"));
4658 else if (!pull_utf8_talloc(mem_ctx,
4659 discard_const_p(char *, &result->description),
4660 vals[0], &converted_size))
4661 {
4662 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4663 strerror(errno)));
4664 }
4665 ldap_value_free(vals);
4666
4667 if ((result->account_name == NULL) ||
4668 (result->fullname == NULL) ||
4669 (result->description == NULL)) {
4670 DEBUG(0, ("talloc failed\n"));
4671 return False;
4672 }
4673
4674 vals = ldap_get_values(ld, entry, "sambaSid");
4675 if ((vals == NULL) || (vals[0] == NULL)) {
4676 DEBUG(0, ("\"objectSid\" not found\n"));
4677 if (vals != NULL) {
4678 ldap_value_free(vals);
4679 }
4680 return False;
4681 }
4682
4683 if (!string_to_sid(&sid, vals[0])) {
4684 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4685 return False;
4686 }
4687
4688 ldap_value_free(vals);
4689
4690 switch (group_type) {
4691 case SID_NAME_DOM_GRP:
4692 case SID_NAME_ALIAS:
4693
4694 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4695 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4696 {
4697 DEBUG(0, ("%s is not in our domain\n",
4698 sid_string_dbg(&sid)));
4699 return False;
4700 }
4701 break;
4702
4703 default:
4704 DEBUG(0,("unknown group type: %d\n", group_type));
4705 return False;
4706 }
4707
4708 result->acct_flags = 0;
4709
4710 return True;
4711 }
4712
4713 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4714 struct pdb_search *search,
4715 const struct dom_sid *sid,
4716 enum lsa_SidType type)
4717 {
4718 struct ldapsam_privates *ldap_state =
4719 (struct ldapsam_privates *)methods->private_data;
4720 struct ldap_search_state *state;
4721 fstring tmp;
4722
4723 state = talloc(search, struct ldap_search_state);
4724 if (state == NULL) {
4725 DEBUG(0, ("talloc failed\n"));
4726 return False;
4727 }
4728
4729 state->connection = ldap_state->smbldap_state;
4730
4731 state->base = lp_ldap_suffix(search);
4732 state->connection = ldap_state->smbldap_state;
4733 state->scope = LDAP_SCOPE_SUBTREE;
4734 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4735 "(sambaGroupType=%d)(sambaSID=%s*))",
4736 LDAP_OBJ_GROUPMAP,
4737 type, sid_to_fstring(tmp, sid));
4738 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4739 "displayName", "description",
4740 "sambaGroupType", NULL);
4741 state->attrsonly = 0;
4742 state->pagedresults_cookie = NULL;
4743 state->entries = NULL;
4744 state->group_type = type;
4745 state->ldap2displayentry = ldapgroup2displayentry;
4746
4747 if ((state->filter == NULL) || (state->attrs == NULL)) {
4748 DEBUG(0, ("talloc failed\n"));
4749 return False;
4750 }
4751
4752 search->private_data = state;
4753 search->next_entry = ldapsam_search_next_entry;
4754 search->search_end = ldapsam_search_end;
4755
4756 return ldapsam_search_firstpage(search);
4757 }
4758
4759 static bool ldapsam_search_groups(struct pdb_methods *methods,
4760 struct pdb_search *search)
4761 {
4762 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4763 }
4764
4765 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4766 struct pdb_search *search,
4767 const struct dom_sid *sid)
4768 {
4769 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4770 }
4771
4772 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4773 {
4774 return PDB_CAP_STORE_RIDS;
4775 }
4776
4777 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4778 uint32_t *rid)
4779 {
4780 struct smbldap_state *smbldap_state = priv->smbldap_state;
4781
4782 LDAPMessage *result = NULL;
4783 LDAPMessage *entry = NULL;
4784 LDAPMod **mods = NULL;
4785 NTSTATUS status;
4786 char *value;
4787 int rc;
4788 uint32_t nextRid = 0;
4789 const char *dn;
4790
4791 TALLOC_CTX *mem_ctx;
4792
4793 mem_ctx = talloc_new(NULL);
4794 if (mem_ctx == NULL) {
4795 DEBUG(0, ("talloc_new failed\n"));
4796 return NT_STATUS_NO_MEMORY;
4797 }
4798
4799 status = smbldap_search_domain_info(smbldap_state, &result,
4800 get_global_sam_name(), False);
4801 if (!NT_STATUS_IS_OK(status)) {
4802 DEBUG(3, ("Could not get domain info: %s\n",
4803 nt_errstr(status)));
4804 goto done;
4805 }
4806
4807 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4808
4809 entry = ldap_first_entry(priv2ld(priv), result);
4810 if (entry == NULL) {
4811 DEBUG(0, ("Could not get domain info entry\n"));
4812 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4813 goto done;
4814 }
4815
4816 /* Find the largest of the three attributes "sambaNextRid",
4817 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4818 concept of differentiating between user and group rids, and will
4819 use only "sambaNextRid" in the future. But for compatibility
4820 reasons I look if others have chosen different strategies -- VL */
4821
4822 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4823 "sambaNextRid", mem_ctx);
4824 if (value != NULL) {
4825 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4826 nextRid = MAX(nextRid, tmp);
4827 }
4828
4829 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4830 "sambaNextUserRid", mem_ctx);
4831 if (value != NULL) {
4832 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4833 nextRid = MAX(nextRid, tmp);
4834 }
4835
4836 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4837 "sambaNextGroupRid", mem_ctx);
4838 if (value != NULL) {
4839 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4840 nextRid = MAX(nextRid, tmp);
4841 }
4842
4843 if (nextRid == 0) {
4844 nextRid = BASE_RID-1;
4845 }
4846
4847 nextRid += 1;
4848
4849 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4850 talloc_asprintf(mem_ctx, "%d", nextRid));
4851 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
4852
4853 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4854 status = NT_STATUS_NO_MEMORY;
4855 goto done;
4856 }
4857
4858 rc = smbldap_modify(smbldap_state, dn, mods);
4859
4860 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4861 * please retry" */
4862
4863 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4864
4865 done:
4866 if (NT_STATUS_IS_OK(status)) {
4867 *rid = nextRid;
4868 }
4869
4870 TALLOC_FREE(mem_ctx);
4871 return status;
4872 }
4873
4874 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4875 {
4876 int i;
4877
4878 for (i=0; i<10; i++) {
4879 NTSTATUS result = ldapsam_get_new_rid(
4880 (struct ldapsam_privates *)methods->private_data, rid);
4881 if (NT_STATUS_IS_OK(result)) {
4882 return result;
4883 }
4884
4885 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4886 return result;
4887 }
4888
4889 /* The ldap update failed (maybe a race condition), retry */
4890 }
4891
4892 /* Tried 10 times, fail. */
4893 return NT_STATUS_ACCESS_DENIED;
4894 }
4895
4896 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4897 {
4898 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4899 return NT_STATUS_IS_OK(result) ? True : False;
4900 }
4901
4902 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4903 const struct dom_sid *sid,
4904 struct unixid *id)
4905 {
4906 struct ldapsam_privates *priv =
4907 (struct ldapsam_privates *)methods->private_data;
4908 char *filter;
4909 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4910 NULL };
4911 LDAPMessage *result = NULL;
4912 LDAPMessage *entry = NULL;
4913 bool ret = False;
4914 char *value;
4915 int rc;
4916
4917 TALLOC_CTX *mem_ctx;
4918
4919 ret = pdb_sid_to_id_unix_users_and_groups(sid, id);
4920 if (ret == true) {
4921 return true;
4922 }
4923
4924 mem_ctx = talloc_new(NULL);
4925 if (mem_ctx == NULL) {
4926 DEBUG(0, ("talloc_new failed\n"));
4927 return False;
4928 }
4929
4930 filter = talloc_asprintf(mem_ctx,
4931 "(&(sambaSid=%s)"
4932 "(|(objectClass=%s)(objectClass=%s)))",
4933 sid_string_talloc(mem_ctx, sid),
4934 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4935 if (filter == NULL) {
4936 DEBUG(5, ("talloc_asprintf failed\n"));
4937 goto done;
4938 }
4939
4940 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4941 attrs, &result);
4942 if (rc != LDAP_SUCCESS) {
4943 goto done;
4944 }
4945 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4946
4947 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4948 DEBUG(10, ("Got %d entries, expected one\n",
4949 ldap_count_entries(priv2ld(priv), result)));
4950 goto done;
4951 }
4952
4953 entry = ldap_first_entry(priv2ld(priv), result);
4954
4955 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4956 "sambaGroupType", mem_ctx);
4957
4958 if (value != NULL) {
4959 const char *gid_str;
4960 /* It's a group */
4961
4962 gid_str = smbldap_talloc_single_attribute(
4963 priv2ld(priv), entry, "gidNumber", mem_ctx);
4964 if (gid_str == NULL) {
4965 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4966 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4967 entry)));
4968 goto done;
4969 }
4970
4971 id->id = strtoul(gid_str, NULL, 10);
4972 id->type = ID_TYPE_GID;
4973 idmap_cache_set_sid2unixid(sid, id);
4974 ret = True;
4975 goto done;
4976 }
4977
4978 /* It must be a user */
4979
4980 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4981 "uidNumber", mem_ctx);
4982 if (value == NULL) {
4983 DEBUG(1, ("Could not find uidNumber in %s\n",
4984 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4985 goto done;
4986 }
4987
4988 id->id = strtoul(value, NULL, 10);
4989 id->type = ID_TYPE_UID;
4990 idmap_cache_set_sid2unixid(sid, id);
4991
4992 ret = True;
4993 done:
4994 TALLOC_FREE(mem_ctx);
4995 return ret;
4996 }
4997
4998 /**
4999 * Find the SID for a uid.
5000 * This is shortcut is only used if ldapsam:trusted is set to true.
5001 */
5002 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5003 struct dom_sid *sid)
5004 {
5005 struct ldapsam_privates *priv =
5006 (struct ldapsam_privates *)methods->private_data;
5007 char *filter;
5008 const char *attrs[] = { "sambaSID", NULL };
5009 LDAPMessage *result = NULL;
5010 LDAPMessage *entry = NULL;
5011 bool ret = false;
5012 char *user_sid_string;
5013 struct dom_sid user_sid;
5014 int rc;
5015 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5016 struct unixid id;
5017
5018 filter = talloc_asprintf(tmp_ctx,
5019 "(&(uidNumber=%u)"
5020 "(objectClass=%s)"
5021 "(objectClass=%s))",
5022 (unsigned int)uid,
5023 LDAP_OBJ_POSIXACCOUNT,
5024 LDAP_OBJ_SAMBASAMACCOUNT);
5025 if (filter == NULL) {
5026 DEBUG(3, ("talloc_asprintf failed\n"));
5027 goto done;
5028 }
5029
5030 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5031 if (rc != LDAP_SUCCESS) {
5032 goto done;
5033 }
5034 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5035
5036 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5037 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5038 ldap_count_entries(priv2ld(priv), result),
5039 (unsigned int)uid));
5040 goto done;
5041 }
5042
5043 entry = ldap_first_entry(priv2ld(priv), result);
5044
5045 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5046 "sambaSID", tmp_ctx);
5047 if (user_sid_string == NULL) {
5048 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5049 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5050 goto done;
5051 }
5052
5053 if (!string_to_sid(&user_sid, user_sid_string)) {
5054 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5055 user_sid_string));
5056 goto done;
5057 }
5058
5059 sid_copy(sid, &user_sid);
5060
5061 id.id = uid;
5062 id.type = ID_TYPE_UID;
5063
5064 idmap_cache_set_sid2unixid(sid, &id);
5065
5066 ret = true;
5067
5068 done:
5069 TALLOC_FREE(tmp_ctx);
5070 return ret;
5071 }
5072
5073 /**
5074 * Find the SID for a gid.
5075 * This is shortcut is only used if ldapsam:trusted is set to true.
5076 */
5077 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5078 struct dom_sid *sid)
5079 {
5080 struct ldapsam_privates *priv =
5081 (struct ldapsam_privates *)methods->private_data;
5082 char *filter;
5083 const char *attrs[] = { "sambaSID", NULL };
5084 LDAPMessage *result = NULL;
5085 LDAPMessage *entry = NULL;
5086 bool ret = false;
5087 char *group_sid_string;
5088 struct dom_sid group_sid;
5089 int rc;
5090 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5091 struct unixid id;
5092
5093 filter = talloc_asprintf(tmp_ctx,
5094 "(&(gidNumber=%u)"
5095 "(objectClass=%s))",
5096 (unsigned int)gid,
5097 LDAP_OBJ_GROUPMAP);
5098 if (filter == NULL) {
5099 DEBUG(3, ("talloc_asprintf failed\n"));
5100 goto done;
5101 }
5102
5103 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5104 if (rc != LDAP_SUCCESS) {
5105 goto done;
5106 }
5107 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5108
5109 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5110 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5111 ldap_count_entries(priv2ld(priv), result),
5112 (unsigned int)gid));
5113 goto done;
5114 }
5115
5116 entry = ldap_first_entry(priv2ld(priv), result);
5117
5118 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5119 "sambaSID", tmp_ctx);
5120 if (group_sid_string == NULL) {
5121 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5122 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5123 goto done;
5124 }
5125
5126 if (!string_to_sid(&group_sid, group_sid_string)) {
5127 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5128 group_sid_string));
5129 goto done;
5130 }
5131
5132 sid_copy(sid, &group_sid);
5133
5134 id.id = gid;
5135 id.type = ID_TYPE_GID;
5136
5137 idmap_cache_set_sid2unixid(sid, &id);
5138
5139 ret = true;
5140
5141 done:
5142 TALLOC_FREE(tmp_ctx);
5143 return ret;
5144 }
5145
5146
5147 /*
5148 * The following functions are called only if
5149 * ldapsam:trusted and ldapsam:editposix are
5150 * set to true
5151 */
5152
5153 /*
5154 * ldapsam_create_user creates a new
5155 * posixAccount and sambaSamAccount object
5156 * in the ldap users subtree
5157 *
5158 * The uid is allocated by winbindd.
5159 */
5160
5161 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5162 TALLOC_CTX *tmp_ctx, const char *name,
5163 uint32_t acb_info, uint32_t *rid)
5164 {
5165 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5166 LDAPMessage *entry = NULL;
5167 LDAPMessage *result = NULL;
5168 uint32_t num_result;
5169 bool is_machine = False;
5170 bool add_posix = False;
5171 LDAPMod **mods = NULL;
5172 struct samu *user;
5173 char *filter;
5174 char *username;
5175 char *homedir;
5176 char *gidstr;
5177 char *uidstr;
5178 char *shell;
5179 const char *dn = NULL;
5180 struct dom_sid group_sid;
5181 struct dom_sid user_sid;
5182 gid_t gid = -1;
5183 uid_t uid = -1;
5184 NTSTATUS ret;
5185 int rc;
5186
5187 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5188 acb_info & ACB_WSTRUST ||
5189 acb_info & ACB_SVRTRUST ||
5190 acb_info & ACB_DOMTRUST) {
5191 is_machine = True;
5192 }
5193
5194 username = escape_ldap_string(talloc_tos(), name);
5195 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5196 username, LDAP_OBJ_POSIXACCOUNT);
5197 TALLOC_FREE(username);
5198
5199 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5200 if (rc != LDAP_SUCCESS) {
5201 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5202 return NT_STATUS_ACCESS_DENIED;
5203 }
5204 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5205
5206 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5207
5208 if (num_result > 1) {
5209 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5210 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5211 }
5212
5213 if (num_result == 1) {
5214 char *tmp;
5215 /* check if it is just a posix account.
5216 * or if there is a sid attached to this entry
5217 */
5218
5219 entry = ldap_first_entry(priv2ld(ldap_state), result);
5220 if (!entry) {
5221 return NT_STATUS_UNSUCCESSFUL;
5222 }
5223
5224 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5225 if (tmp) {
5226 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5227 return NT_STATUS_USER_EXISTS;
5228 }
5229
5230 /* it is just a posix account, retrieve the dn for later use */
5231 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5232 if (!dn) {
5233 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5234 return NT_STATUS_NO_MEMORY;
5235 }
5236 }
5237
5238 if (num_result == 0) {
5239 add_posix = True;
5240 }
5241
5242 /* Create the basic samu structure and generate the mods for the ldap commit */
5243 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5244 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5245 return ret;
5246 }
5247
5248 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5249
5250 user = samu_new(tmp_ctx);
5251 if (!user) {
5252 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5253 return NT_STATUS_NO_MEMORY;
5254 }
5255
5256 if (!pdb_set_username(user, name, PDB_SET)) {
5257 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5258 return NT_STATUS_UNSUCCESSFUL;
5259 }
5260 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5261 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5262 return NT_STATUS_UNSUCCESSFUL;
5263 }
5264 if (is_machine) {
5265 if (acb_info & ACB_NORMAL) {
5266 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5267 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5268 return NT_STATUS_UNSUCCESSFUL;
5269 }
5270 } else {
5271 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5272 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5273 return NT_STATUS_UNSUCCESSFUL;
5274 }
5275 }
5276 } else {
5277 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5278 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5279 return NT_STATUS_UNSUCCESSFUL;
5280 }
5281 }
5282
5283 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5284 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5285 return NT_STATUS_UNSUCCESSFUL;
5286 }
5287
5288 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5289 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5290 return NT_STATUS_UNSUCCESSFUL;
5291 }
5292
5293 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5294 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5295 }
5296 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5297
5298 if (add_posix) {
5299 char *escape_name;
5300
5301 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5302
5303 /* retrieve the Domain Users group gid */
5304 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5305 !sid_to_gid(&group_sid, &gid)) {
5306 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5307 return NT_STATUS_INVALID_PRIMARY_GROUP;
5308 }
5309
5310 /* lets allocate a new userid for this user */
5311 if (!winbind_allocate_uid(&uid)) {
5312 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5313 return NT_STATUS_UNSUCCESSFUL;
5314 }
5315
5316
5317 if (is_machine) {
5318 /* TODO: choose a more appropriate default for machines */
5319 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5320 shell = talloc_strdup(tmp_ctx, "/bin/false");
5321 } else {
5322 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5323 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5324 }
5325 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5326 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5327
5328 escape_name = escape_rdn_val_string_alloc(name);
5329 if (!escape_name) {
5330 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5331 return NT_STATUS_NO_MEMORY;
5332 }
5333
5334 if (is_machine) {
5335 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5336 } else {
5337 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5338 }
5339
5340 SAFE_FREE(escape_name);
5341
5342 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5343 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5344 return NT_STATUS_NO_MEMORY;
5345 }
5346
5347 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5348 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5349 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5350 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5351 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5352 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5353 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5354 }
5355
5356 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5357
5358 if (add_posix) {
5359 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5360 } else {
5361 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5362 }
5363
5364 if (rc != LDAP_SUCCESS) {
5365 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5366 return NT_STATUS_UNSUCCESSFUL;
5367 }
5368
5369 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5370
5371 flush_pwnam_cache();
5372
5373 return NT_STATUS_OK;
5374 }
5375
5376 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5377 {
5378 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5379 LDAPMessage *result = NULL;
5380 LDAPMessage *entry = NULL;
5381 int num_result;
5382 const char *dn;
5383 char *filter;
5384 int rc;
5385
5386 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5387
5388 filter = talloc_asprintf(tmp_ctx,
5389 "(&(uid=%s)"
5390 "(objectClass=%s)"
5391 "(objectClass=%s))",
5392 pdb_get_username(sam_acct),
5393 LDAP_OBJ_POSIXACCOUNT,
5394 LDAP_OBJ_SAMBASAMACCOUNT);
5395 if (filter == NULL) {
5396 return NT_STATUS_NO_MEMORY;
5397 }
5398
5399 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5400 if (rc != LDAP_SUCCESS) {
5401 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5402 return NT_STATUS_UNSUCCESSFUL;
5403 }
5404 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5405
5406 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5407
5408 if (num_result == 0) {
5409 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5410 return NT_STATUS_NO_SUCH_USER;
5411 }
5412
5413 if (num_result > 1) {
5414 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5415 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5416 }
5417
5418 entry = ldap_first_entry(priv2ld(ldap_state), result);
5419 if (!entry) {
5420 return NT_STATUS_UNSUCCESSFUL;
5421 }
5422
5423 /* it is just a posix account, retrieve the dn for later use */
5424 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5425 if (!dn) {
5426 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5427 return NT_STATUS_NO_MEMORY;
5428 }
5429
5430 /* try to remove memberships first */
5431 {
5432 NTSTATUS status;
5433 struct dom_sid *sids = NULL;
5434 gid_t *gids = NULL;
5435 uint32_t num_groups = 0;
5436 int i;
5437 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5438
5439 status = ldapsam_enum_group_memberships(my_methods,
5440 tmp_ctx,
5441 sam_acct,
5442 &sids,
5443 &gids,
5444 &num_groups);
5445 if (!NT_STATUS_IS_OK(status)) {
5446 goto delete_dn;
5447 }
5448
5449 for (i=0; i < num_groups; i++) {
5450
5451 uint32_t group_rid;
5452
5453 sid_peek_rid(&sids[i], &group_rid);
5454
5455 ldapsam_del_groupmem(my_methods,
5456 tmp_ctx,
5457 group_rid,
5458 user_rid);
5459 }
5460 }
5461
5462 delete_dn:
5463
5464 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5465 if (rc != LDAP_SUCCESS) {
5466 return NT_STATUS_UNSUCCESSFUL;
5467 }
5468
5469 flush_pwnam_cache();
5470
5471 return NT_STATUS_OK;
5472 }
5473
5474 /*
5475 * ldapsam_create_group creates a new
5476 * posixGroup and sambaGroupMapping object
5477 * in the ldap groups subtree
5478 *
5479 * The gid is allocated by winbindd.
5480 */
5481
5482 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5483 TALLOC_CTX *tmp_ctx,
5484 const char *name,
5485 uint32_t *rid)
5486 {
5487 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5488 NTSTATUS ret;
5489 LDAPMessage *entry = NULL;
5490 LDAPMessage *result = NULL;
5491 uint32_t num_result;
5492 bool is_new_entry = False;
5493 LDAPMod **mods = NULL;
5494 char *filter;
5495 char *groupsidstr;
5496 char *groupname;
5497 char *grouptype;
5498 char *gidstr;
5499 const char *dn = NULL;
5500 struct dom_sid group_sid;
5501 gid_t gid = -1;
5502 int rc;
5503
5504 groupname = escape_ldap_string(talloc_tos(), name);
5505 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5506 groupname, LDAP_OBJ_POSIXGROUP);
5507 TALLOC_FREE(groupname);
5508
5509 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5510 if (rc != LDAP_SUCCESS) {
5511 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5512 return NT_STATUS_UNSUCCESSFUL;
5513 }
5514 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5515
5516 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5517
5518 if (num_result > 1) {
5519 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5520 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5521 }
5522
5523 if (num_result == 1) {
5524 char *tmp;
5525 /* check if it is just a posix group.
5526 * or if there is a sid attached to this entry
5527 */
5528
5529 entry = ldap_first_entry(priv2ld(ldap_state), result);
5530 if (!entry) {
5531 return NT_STATUS_UNSUCCESSFUL;
5532 }
5533
5534 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5535 if (tmp) {
5536 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5537 return NT_STATUS_GROUP_EXISTS;
5538 }
5539
5540 /* it is just a posix group, retrieve the gid and the dn for later use */
5541 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5542 if (!tmp) {
5543 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5544 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5545 }
5546
5547 gid = strtoul(tmp, NULL, 10);
5548
5549 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5550 if (!dn) {
5551 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5552 return NT_STATUS_NO_MEMORY;
5553 }
5554 }
5555
5556 if (num_result == 0) {
5557 is_new_entry = true;
5558 }
5559
5560 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5561 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5562 return ret;
5563 }
5564
5565 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5566
5567 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5568 &group_sid));
5569 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5570
5571 if (!groupsidstr || !grouptype) {
5572 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5573 return NT_STATUS_NO_MEMORY;
5574 }
5575
5576 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5577 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5578 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5579 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5580
5581 if (is_new_entry) {
5582 char *escape_name;
5583
5584 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5585
5586 /* lets allocate a new groupid for this group */
5587 if (!winbind_allocate_gid(&gid)) {
5588 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5589 return NT_STATUS_UNSUCCESSFUL;
5590 }
5591
5592 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5593
5594 escape_name = escape_rdn_val_string_alloc(name);
5595 if (!escape_name) {
5596 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5597 return NT_STATUS_NO_MEMORY;
5598 }
5599
5600 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5601
5602 SAFE_FREE(escape_name);
5603
5604 if (!gidstr || !dn) {
5605 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5606 return NT_STATUS_NO_MEMORY;
5607 }
5608
5609 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5610 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5611 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5612 }
5613
5614 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5615
5616 if (is_new_entry) {
5617 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5618 #if 0
5619 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5620 /* This call may fail with rfc2307bis schema */
5621 /* Retry adding a structural class */
5622 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5623 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5624 }
5625 #endif
5626 } else {
5627 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5628 }
5629
5630 if (rc != LDAP_SUCCESS) {
5631 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5632 return NT_STATUS_UNSUCCESSFUL;
5633 }
5634
5635 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5636
5637 return NT_STATUS_OK;
5638 }
5639
5640 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5641 {
5642 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5643 LDAPMessage *result = NULL;
5644 LDAPMessage *entry = NULL;
5645 int num_result;
5646 const char *dn;
5647 char *gidstr;
5648 char *filter;
5649 struct dom_sid group_sid;
5650 int rc;
5651
5652 /* get the group sid */
5653 sid_compose(&group_sid, get_global_sam_sid(), rid);
5654
5655 filter = talloc_asprintf(tmp_ctx,
5656 "(&(sambaSID=%s)"
5657 "(objectClass=%s)"
5658 "(objectClass=%s))",
5659 sid_string_talloc(tmp_ctx, &group_sid),
5660 LDAP_OBJ_POSIXGROUP,
5661 LDAP_OBJ_GROUPMAP);
5662 if (filter == NULL) {
5663 return NT_STATUS_NO_MEMORY;
5664 }
5665
5666 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5667 if (rc != LDAP_SUCCESS) {
5668 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5669 return NT_STATUS_UNSUCCESSFUL;
5670 }
5671 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5672
5673 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5674
5675 if (num_result == 0) {
5676 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5677 return NT_STATUS_NO_SUCH_GROUP;
5678 }
5679
5680 if (num_result > 1) {
5681 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5682 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5683 }
5684
5685 entry = ldap_first_entry(priv2ld(ldap_state), result);
5686 if (!entry) {
5687 return NT_STATUS_UNSUCCESSFUL;
5688 }
5689
5690 /* here it is, retrieve the dn for later use */
5691 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5692 if (!dn) {
5693 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5694 return NT_STATUS_NO_MEMORY;
5695 }
5696
5697 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5698 if (!gidstr) {
5699 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5700 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5701 }
5702
5703 /* check no user have this group marked as primary group */
5704 filter = talloc_asprintf(tmp_ctx,
5705 "(&(gidNumber=%s)"
5706 "(objectClass=%s)"
5707 "(objectClass=%s))",
5708 gidstr,
5709 LDAP_OBJ_POSIXACCOUNT,
5710 LDAP_OBJ_SAMBASAMACCOUNT);
5711
5712 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5713 if (rc != LDAP_SUCCESS) {
5714 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5715 return NT_STATUS_UNSUCCESSFUL;
5716 }
5717 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5718
5719 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5720
5721 if (num_result != 0) {
5722 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5723 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5724 }
5725
5726 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5727 if (rc != LDAP_SUCCESS) {
5728 return NT_STATUS_UNSUCCESSFUL;
5729 }
5730
5731 return NT_STATUS_OK;
5732 }
5733
5734 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5735 TALLOC_CTX *tmp_ctx,
5736 uint32_t group_rid,
5737 uint32_t member_rid,
5738 int modop)
5739 {
5740 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5741 LDAPMessage *entry = NULL;
5742 LDAPMessage *result = NULL;
5743 uint32_t num_result;
5744 LDAPMod **mods = NULL;
5745 char *filter;
5746 char *uidstr;
5747 const char *dn = NULL;
5748 struct dom_sid group_sid;
5749 struct dom_sid member_sid;
5750 int rc;
5751
5752 switch (modop) {
5753 case LDAP_MOD_ADD:
5754 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5755 break;
5756 case LDAP_MOD_DELETE:
5757 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5758 break;
5759 default:
5760 return NT_STATUS_UNSUCCESSFUL;
5761 }
5762
5763 /* get member sid */
5764 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5765
5766 /* get the group sid */
5767 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5768
5769 filter = talloc_asprintf(tmp_ctx,
5770 "(&(sambaSID=%s)"
5771 "(objectClass=%s)"
5772 "(objectClass=%s))",
5773 sid_string_talloc(tmp_ctx, &member_sid),
5774 LDAP_OBJ_POSIXACCOUNT,
5775 LDAP_OBJ_SAMBASAMACCOUNT);
5776 if (filter == NULL) {
5777 return NT_STATUS_NO_MEMORY;
5778 }
5779
5780 /* get the member uid */
5781 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5782 if (rc != LDAP_SUCCESS) {
5783 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5784 return NT_STATUS_UNSUCCESSFUL;
5785 }
5786 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5787
5788 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5789
5790 if (num_result == 0) {
5791 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5792 return NT_STATUS_NO_SUCH_MEMBER;
5793 }
5794
5795 if (num_result > 1) {
5796 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5797 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5798 }
5799
5800 entry = ldap_first_entry(priv2ld(ldap_state), result);
5801 if (!entry) {
5802 return NT_STATUS_UNSUCCESSFUL;
5803 }
5804
5805 if (modop == LDAP_MOD_DELETE) {
5806 /* check if we are trying to remove the member from his primary group */
5807 char *gidstr;
5808 gid_t user_gid, group_gid;
5809
5810 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5811 if (!gidstr) {
5812 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5813 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5814 }
5815
5816 user_gid = strtoul(gidstr, NULL, 10);
5817
5818 if (!sid_to_gid(&group_sid, &group_gid)) {
5819 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5820 return NT_STATUS_UNSUCCESSFUL;
5821 }
5822
5823 if (user_gid == group_gid) {
5824 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5825 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5826 }
5827 }
5828
5829 /* here it is, retrieve the uid for later use */
5830 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5831 if (!uidstr) {
5832 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5833 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5834 }
5835
5836 filter = talloc_asprintf(tmp_ctx,
5837 "(&(sambaSID=%s)"
5838 "(objectClass=%s)"
5839 "(objectClass=%s))",
5840 sid_string_talloc(tmp_ctx, &group_sid),
5841 LDAP_OBJ_POSIXGROUP,
5842 LDAP_OBJ_GROUPMAP);
5843
5844 /* get the group */
5845 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5846 if (rc != LDAP_SUCCESS) {
5847 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5848 return NT_STATUS_UNSUCCESSFUL;
5849 }
5850 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5851
5852 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5853
5854 if (num_result == 0) {
5855 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5856 return NT_STATUS_NO_SUCH_GROUP;
5857 }
5858
5859 if (num_result > 1) {
5860 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5861 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5862 }
5863
5864 entry = ldap_first_entry(priv2ld(ldap_state), result);
5865 if (!entry) {
5866 return NT_STATUS_UNSUCCESSFUL;
5867 }
5868
5869 /* here it is, retrieve the dn for later use */
5870 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5871 if (!dn) {
5872 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5873 return NT_STATUS_NO_MEMORY;
5874 }
5875
5876 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5877
5878 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5879
5880 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5881 if (rc != LDAP_SUCCESS) {
5882 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5883 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5884 return NT_STATUS_MEMBER_IN_GROUP;
5885 }
5886 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5887 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5888 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5889 }
5890 return NT_STATUS_UNSUCCESSFUL;
5891 }
5892
5893 return NT_STATUS_OK;
5894 }
5895
5896 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5897 TALLOC_CTX *tmp_ctx,
5898 uint32_t group_rid,
5899 uint32_t member_rid)
5900 {
5901 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5902 }
5903 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5904 TALLOC_CTX *tmp_ctx,
5905 uint32_t group_rid,
5906 uint32_t member_rid)
5907 {
5908 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5909 }
5910
5911 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5912 TALLOC_CTX *mem_ctx,
5913 struct samu *sampass)
5914 {
5915 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5916 LDAPMessage *entry = NULL;
5917 LDAPMessage *result = NULL;
5918 uint32_t num_result;
5919 LDAPMod **mods = NULL;
5920 char *filter;
5921 char *escape_username;
5922 char *gidstr;
5923 const char *dn = NULL;
5924 gid_t gid;
5925 int rc;
5926
5927 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5928
5929 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5930 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5931 return NT_STATUS_UNSUCCESSFUL;
5932 }
5933 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5934 if (!gidstr) {
5935 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5936 return NT_STATUS_NO_MEMORY;
5937 }
5938
5939 escape_username = escape_ldap_string(talloc_tos(),
5940 pdb_get_username(sampass));
5941 if (escape_username== NULL) {
5942 return NT_STATUS_NO_MEMORY;
5943 }
5944
5945 filter = talloc_asprintf(mem_ctx,
5946 "(&(uid=%s)"
5947 "(objectClass=%s)"
5948 "(objectClass=%s))",
5949 escape_username,
5950 LDAP_OBJ_POSIXACCOUNT,
5951 LDAP_OBJ_SAMBASAMACCOUNT);
5952
5953 TALLOC_FREE(escape_username);
5954
5955 if (filter == NULL) {
5956 return NT_STATUS_NO_MEMORY;
5957 }
5958
5959 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5960 if (rc != LDAP_SUCCESS) {
5961 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5962 return NT_STATUS_UNSUCCESSFUL;
5963 }
5964 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
5965
5966 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5967
5968 if (num_result == 0) {
5969 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5970 return NT_STATUS_NO_SUCH_USER;
5971 }
5972
5973 if (num_result > 1) {
5974 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5975 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5976 }
5977
5978 entry = ldap_first_entry(priv2ld(ldap_state), result);
5979 if (!entry) {
5980 return NT_STATUS_UNSUCCESSFUL;
5981 }
5982
5983 /* retrieve the dn for later use */
5984 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5985 if (!dn) {
5986 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5987 return NT_STATUS_NO_MEMORY;
5988 }
5989
5990 /* remove the old one, and add the new one, this way we do not risk races */
5991 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5992
5993 if (mods == NULL) {
5994 return NT_STATUS_OK;
5995 }
5996
5997 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5998
5999 if (rc != LDAP_SUCCESS) {
6000 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6001 pdb_get_username(sampass), gidstr));
6002 return NT_STATUS_UNSUCCESSFUL;
6003 }
6004
6005 flush_pwnam_cache();
6006
6007 return NT_STATUS_OK;
6008 }
6009
6010
6011 /**********************************************************************
6012 trusted domains functions
6013 *********************************************************************/
6014
6015 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6016 const char *domain)
6017 {
6018 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6019 ldap_state->domain_dn);
6020 }
6021
6022 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6023 TALLOC_CTX *mem_ctx,
6024 const char *domain, LDAPMessage **entry)
6025 {
6026 int rc;
6027 char *filter;
6028 int scope = LDAP_SCOPE_SUBTREE;
6029 const char **attrs = NULL; /* NULL: get all attrs */
6030 int attrsonly = 0; /* 0: return values too */
6031 LDAPMessage *result = NULL;
6032 char *trusted_dn;
6033 uint32_t num_result;
6034
6035 filter = talloc_asprintf(talloc_tos(),
6036 "(&(objectClass=%s)(sambaDomainName=%s))",
6037 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6038
6039 trusted_dn = trusteddom_dn(ldap_state, domain);
6040 if (trusted_dn == NULL) {
6041 return False;
6042 }
6043 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6044 filter, attrs, attrsonly, &result);
6045
6046 if (result != NULL) {
6047 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6048 }
6049
6050 if (rc == LDAP_NO_SUCH_OBJECT) {
6051 *entry = NULL;
6052 return True;
6053 }
6054
6055 if (rc != LDAP_SUCCESS) {
6056 return False;
6057 }
6058
6059 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6060
6061 if (num_result > 1) {
6062 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6063 "%s object for domain '%s'?!\n",
6064 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6065 return False;
6066 }
6067
6068 if (num_result == 0) {
6069 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6070 "%s object for domain %s.\n",
6071 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6072 *entry = NULL;
6073 } else {
6074 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6075 }
6076
6077 return True;
6078 }
6079
6080 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6081 const char *domain,
6082 char** pwd,
6083 struct dom_sid *sid,
6084 time_t *pass_last_set_time)
6085 {
6086 struct ldapsam_privates *ldap_state =
6087 (struct ldapsam_privates *)methods->private_data;
6088 LDAPMessage *entry = NULL;
6089
6090 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6091
6092 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6093 (entry == NULL))
6094 {
6095 return False;
6096 }
6097
6098 /* password */
6099 if (pwd != NULL) {
6100 char *pwd_str;
6101 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6102 entry, "sambaClearTextPassword", talloc_tos());
6103 if (pwd_str == NULL) {
6104 return False;
6105 }
6106 /* trusteddom_pw routines do not use talloc yet... */
6107 *pwd = SMB_STRDUP(pwd_str);
6108 if (*pwd == NULL) {
6109 return False;
6110 }
6111 }
6112
6113 /* last change time */
6114 if (pass_last_set_time != NULL) {
6115 char *time_str;
6116 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6117 entry, "sambaPwdLastSet", talloc_tos());
6118 if (time_str == NULL) {
6119 return False;
6120 }
6121 *pass_last_set_time = (time_t)atol(time_str);
6122 }
6123
6124 /* domain sid */
6125 if (sid != NULL) {
6126 char *sid_str;
6127 struct dom_sid dom_sid;
6128 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6129 entry, "sambaSID",
6130 talloc_tos());
6131 if (sid_str == NULL) {
6132 return False;
6133 }
6134 if (!string_to_sid(&dom_sid, sid_str)) {
6135 return False;
6136 }
6137 sid_copy(sid, &dom_sid);
6138 }
6139
6140 return True;
6141 }
6142
6143 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6144 const char* domain,
6145 const char* pwd,
6146 const struct dom_sid *sid)
6147 {
6148 struct ldapsam_privates *ldap_state =
6149 (struct ldapsam_privates *)methods->private_data;
6150 LDAPMessage *entry = NULL;
6151 LDAPMod **mods = NULL;
6152 char *prev_pwd = NULL;
6153 char *trusted_dn = NULL;
6154 int rc;
6155
6156 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6157
6158 /*
6159 * get the current entry (if there is one) in order to put the
6160 * current password into the previous password attribute
6161 */
6162 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6163 return False;
6164 }
6165
6166 mods = NULL;
6167 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6168 LDAP_OBJ_TRUSTDOM_PASSWORD);
6169 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6170 domain);
6171 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6172 sid_string_tos(sid));
6173 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6174 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6175 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6176 "sambaClearTextPassword", pwd);
6177
6178 if (entry != NULL) {
6179 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6180 entry, "sambaClearTextPassword", talloc_tos());
6181 if (prev_pwd != NULL) {
6182 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6183 "sambaPreviousClearTextPassword",
6184 prev_pwd);
6185 }
6186 }
6187
6188 smbldap_talloc_autofree_ldapmod(talloc_tos(), mods);
6189
6190 trusted_dn = trusteddom_dn(ldap_state, domain);
6191 if (trusted_dn == NULL) {
6192 return False;
6193 }
6194 if (entry == NULL) {
6195 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6196 } else {
6197 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6198 }
6199
6200 if (rc != LDAP_SUCCESS) {
6201 DEBUG(1, ("error writing trusted domain password!\n"));
6202 return False;
6203 }
6204
6205 return True;
6206 }
6207
6208 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6209 const char *domain)
6210 {
6211 int rc;
6212 struct ldapsam_privates *ldap_state =
6213 (struct ldapsam_privates *)methods->private_data;
6214 LDAPMessage *entry = NULL;
6215 const char *trusted_dn;
6216
6217 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6218 return False;
6219 }
6220
6221 if (entry == NULL) {
6222 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6223 "%s\n", domain));
6224 return True;
6225 }
6226
6227 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6228 entry);
6229 if (trusted_dn == NULL) {
6230 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6231 return False;
6232 }
6233
6234 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6235 if (rc != LDAP_SUCCESS) {
6236 return False;
6237 }
6238
6239 return True;
6240 }
6241
6242 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6243 TALLOC_CTX *mem_ctx,
6244 uint32_t *num_domains,
6245 struct trustdom_info ***domains)
6246 {
6247 int rc;
6248 struct ldapsam_privates *ldap_state =
6249 (struct ldapsam_privates *)methods->private_data;
6250 char *filter;
6251 int scope = LDAP_SCOPE_SUBTREE;
6252 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6253 int attrsonly = 0; /* 0: return values too */
6254 LDAPMessage *result = NULL;
6255 LDAPMessage *entry = NULL;
6256
6257 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6258 LDAP_OBJ_TRUSTDOM_PASSWORD);
6259
6260 rc = smbldap_search(ldap_state->smbldap_state,
6261 ldap_state->domain_dn,
6262 scope,
6263 filter,
6264 attrs,
6265 attrsonly,
6266 &result);
6267
6268 if (result != NULL) {
6269 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6270 }
6271
6272 if (rc != LDAP_SUCCESS) {
6273 return NT_STATUS_UNSUCCESSFUL;
6274 }
6275
6276 *num_domains = 0;
6277 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6278 DEBUG(1, ("talloc failed\n"));
6279 return NT_STATUS_NO_MEMORY;
6280 }
6281
6282 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6283 entry != NULL;
6284 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6285 {
6286 char *dom_name, *dom_sid_str;
6287 struct trustdom_info *dom_info;
6288
6289 dom_info = talloc(*domains, struct trustdom_info);
6290 if (dom_info == NULL) {
6291 DEBUG(1, ("talloc failed\n"));
6292 return NT_STATUS_NO_MEMORY;
6293 }
6294
6295 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6296 entry,
6297 "sambaDomainName",
6298 talloc_tos());
6299 if (dom_name == NULL) {
6300 DEBUG(1, ("talloc failed\n"));
6301 return NT_STATUS_NO_MEMORY;
6302 }
6303 dom_info->name = dom_name;
6304
6305 dom_sid_str = smbldap_talloc_single_attribute(
6306 priv2ld(ldap_state), entry, "sambaSID",
6307 talloc_tos());
6308 if (dom_sid_str == NULL) {
6309 DEBUG(1, ("talloc failed\n"));
6310 return NT_STATUS_NO_MEMORY;
6311 }
6312 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6313 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6314 dom_sid_str));
6315 return NT_STATUS_UNSUCCESSFUL;
6316 }
6317
6318 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6319 domains, num_domains);
6320
6321 if (*domains == NULL) {
6322 DEBUG(1, ("talloc failed\n"));
6323 return NT_STATUS_NO_MEMORY;
6324 }
6325 }
6326
6327 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6328 return NT_STATUS_OK;
6329 }
6330
6331
6332 /**********************************************************************
6333 Housekeeping
6334 *********************************************************************/
6335
6336 static void free_private_data(void **vp)
6337 {
6338 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6339
6340 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6341
6342 if ((*ldap_state)->result != NULL) {
6343 ldap_msgfree((*ldap_state)->result);
6344 (*ldap_state)->result = NULL;
6345 }
6346 if ((*ldap_state)->domain_dn != NULL) {
6347 SAFE_FREE((*ldap_state)->domain_dn);
6348 }
6349
6350 *ldap_state = NULL;
6351
6352 /* No need to free any further, as it is talloc()ed */
6353 }
6354
6355 /*********************************************************************
6356 Intitalise the parts of the pdb_methods structure that are common to
6357 all pdb_ldap modes
6358 *********************************************************************/
6359
6360 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6361 {
6362 NTSTATUS nt_status;
6363 struct ldapsam_privates *ldap_state;
6364 char *bind_dn = NULL;
6365 char *bind_secret = NULL;
6366
6367 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6368 return nt_status;
6369 }
6370
6371 (*pdb_method)->name = "ldapsam";
6372
6373 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6374 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6375 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6376 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6377 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6378 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6379
6380 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6381 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6382 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6383 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6384 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6385 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6386 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6387
6388 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6389 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6390
6391 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6392
6393 (*pdb_method)->capabilities = ldapsam_capabilities;
6394 (*pdb_method)->new_rid = ldapsam_new_rid;
6395
6396 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6397 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6398 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6399 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6400
6401 /* TODO: Setup private data and free */
6402
6403 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6404 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6405 return NT_STATUS_NO_MEMORY;
6406 }
6407
6408 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6409 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6410 return NT_STATUS_NO_MEMORY;
6411 }
6412
6413 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6414 location, false, bind_dn, bind_secret,
6415 &ldap_state->smbldap_state);
6416 memset(bind_secret, '\0', strlen(bind_secret));
6417 SAFE_FREE(bind_secret);
6418 SAFE_FREE(bind_dn);
6419 if ( !NT_STATUS_IS_OK(nt_status) ) {
6420 return nt_status;
6421 }
6422
6423 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6424 return NT_STATUS_NO_MEMORY;
6425 }
6426
6427 (*pdb_method)->private_data = ldap_state;
6428
6429 (*pdb_method)->free_private_data = free_private_data;
6430
6431 return NT_STATUS_OK;
6432 }
6433
6434 static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m)
6435 {
6436 return true;
6437 }
6438
6439 /**********************************************************************
6440 Initialise the normal mode for pdb_ldap
6441 *********************************************************************/
6442
6443 NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method,
6444 const char *location)
6445 {
6446 NTSTATUS nt_status;
6447 struct ldapsam_privates *ldap_state = NULL;
6448 uint32_t alg_rid_base;
6449 char *alg_rid_base_string = NULL;
6450 LDAPMessage *result = NULL;
6451 LDAPMessage *entry = NULL;
6452 struct dom_sid ldap_domain_sid;
6453 struct dom_sid secrets_domain_sid;
6454 char *domain_sid_string = NULL;
6455 char *dn = NULL;
6456 char *uri = talloc_strdup( NULL, location );
6457
6458 trim_char( uri, '\"', '\"' );
6459 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6460
6461 TALLOC_FREE(uri);
6462
6463 if (!NT_STATUS_IS_OK(nt_status)) {
6464 return nt_status;
6465 }
6466
6467 (*pdb_method)->name = "ldapsam";
6468
6469 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6470 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6471 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6472 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6473 (*pdb_method)->search_users = ldapsam_search_users;
6474 (*pdb_method)->search_groups = ldapsam_search_groups;
6475 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6476 (*pdb_method)->is_responsible_for_wellknown =
6477 ldapsam_is_responsible_for_wellknown;
6478
6479 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6480 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6481 (*pdb_method)->enum_group_memberships =
6482 ldapsam_enum_group_memberships;
6483 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6484 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6485 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6486 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6487
6488 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6489 (*pdb_method)->create_user = ldapsam_create_user;
6490 (*pdb_method)->delete_user = ldapsam_delete_user;
6491 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6492 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6493 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6494 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6495 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6496 }
6497 }
6498
6499 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6500 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6501
6502 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6503
6504 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6505 &result,
6506 ldap_state->domain_name, True);
6507
6508 if ( !NT_STATUS_IS_OK(nt_status) ) {
6509 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6510 "info, nor add one to the domain. "
6511 "We cannot work reliably without it.\n"));
6512 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6513 }
6514
6515 /* Given that the above might fail, everything below this must be
6516 * optional */
6517
6518 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6519 result);
6520 if (!entry) {
6521 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6522 "entry\n"));
6523 ldap_msgfree(result);
6524 return NT_STATUS_UNSUCCESSFUL;
6525 }
6526
6527 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6528 if (!dn) {
6529 ldap_msgfree(result);
6530 return NT_STATUS_UNSUCCESSFUL;
6531 }
6532
6533 ldap_state->domain_dn = smb_xstrdup(dn);
6534 TALLOC_FREE(dn);
6535
6536 domain_sid_string = smbldap_talloc_single_attribute(
6537 ldap_state->smbldap_state->ldap_struct,
6538 entry,
6539 get_userattr_key2string(ldap_state->schema_ver,
6540 LDAP_ATTR_USER_SID),
6541 talloc_tos());
6542
6543 if (domain_sid_string) {
6544 bool found_sid;
6545 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6546 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6547 "read as a valid SID\n", domain_sid_string));
6548 ldap_msgfree(result);
6549 TALLOC_FREE(domain_sid_string);
6550 return NT_STATUS_INVALID_PARAMETER;
6551 }
6552 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6553 &secrets_domain_sid);
6554 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6555 &ldap_domain_sid)) {
6556 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6557 "%s based on pdb_ldap results %s -> %s\n",
6558 ldap_state->domain_name,
6559 sid_string_dbg(&secrets_domain_sid),
6560 sid_string_dbg(&ldap_domain_sid)));
6561
6562 /* reset secrets.tdb sid */
6563 PDB_secrets_store_domain_sid(ldap_state->domain_name,
6564 &ldap_domain_sid);
6565 DEBUG(1, ("New global sam SID: %s\n",
6566 sid_string_dbg(get_global_sam_sid())));
6567 }
6568 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6569 TALLOC_FREE(domain_sid_string);
6570 }
6571
6572 alg_rid_base_string = smbldap_talloc_single_attribute(
6573 ldap_state->smbldap_state->ldap_struct,
6574 entry,
6575 get_attr_key2string( dominfo_attr_list,
6576 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6577 talloc_tos());
6578 if (alg_rid_base_string) {
6579 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6580 if (alg_rid_base != algorithmic_rid_base()) {
6581 DEBUG(0, ("The value of 'algorithmic RID base' has "
6582 "changed since the LDAP\n"
6583 "database was initialised. Aborting. \n"));
6584 ldap_msgfree(result);
6585 TALLOC_FREE(alg_rid_base_string);
6586 return NT_STATUS_UNSUCCESSFUL;
6587 }
6588 TALLOC_FREE(alg_rid_base_string);
6589 }
6590 ldap_msgfree(result);
6591
6592 return NT_STATUS_OK;
6593 }
6594
6595 NTSTATUS pdb_ldapsam_init(void)
6596 {
6597 NTSTATUS nt_status;
6598
6599 nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION,
6600 "ldapsam",
6601 pdb_ldapsam_init_common);
6602 if (!NT_STATUS_IS_OK(nt_status)) {
6603 return nt_status;
6604 }
6605
6606 /* Let pdb_nds register backends */
6607 pdb_nds_init();
6608
6609 pdb_ipa_init();
6610
6611 return NT_STATUS_OK;
6612 }
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