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swrap: Wrap fopen to detect stale file descriptors.
[Samba.git] / source3 / passdb / pdb_ldap.c
blob0458e56263bb7910572b0aa0ba1070ca390fd09e
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_zero_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
865 if (smbldap_get_single_attribute(
866 ldap_state->smbldap_state->ldap_struct,
867 entry,
868 get_userattr_key2string(ldap_state->schema_ver,
869 LDAP_ATTR_PWD_HISTORY),
870 history_string,
871 MAX_PW_HISTORY_LEN*64)) {
872 bool hex_failed = false;
873 for (i = 0; i < pwHistLen; i++){
874 /* Get the 16 byte salt. */
875 if (!pdb_gethexpwd(&history_string[i*64],
876 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
877 hex_failed = true;
878 break;
879 }
880 /* Get the 16 byte MD5 hash of salt+passwd. */
881 if (!pdb_gethexpwd(&history_string[(i*64)+32],
882 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
883 PW_HISTORY_SALT_LEN])) {
884 hex_failed = True;
885 break;
886 }
887 }
888 if (hex_failed) {
889 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
890 username));
891 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
892 }
893 }
894 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
895 goto fn_exit;
896 }
897 }
898
899 temp = smbldap_talloc_single_attribute(
900 ldap_state->smbldap_state->ldap_struct,
901 entry,
902 get_userattr_key2string(ldap_state->schema_ver,
903 LDAP_ATTR_ACB_INFO),
904 ctx);
905 if (temp) {
906 acct_ctrl = pdb_decode_acct_ctrl(temp);
907
908 if (acct_ctrl == 0) {
909 acct_ctrl |= ACB_NORMAL;
910 }
911
912 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
913 } else {
914 acct_ctrl |= ACB_NORMAL;
915 }
916
917 pdb_set_hours_len(sampass, hours_len, PDB_SET);
918 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
919
920 temp = smbldap_talloc_single_attribute(
921 ldap_state->smbldap_state->ldap_struct,
922 entry,
923 get_userattr_key2string(ldap_state->schema_ver,
924 LDAP_ATTR_BAD_PASSWORD_COUNT),
925 ctx);
926 if (temp) {
927 bad_password_count = (uint32_t) atol(temp);
928 pdb_set_bad_password_count(sampass,
929 bad_password_count, PDB_SET);
930 }
931
932 temp = smbldap_talloc_single_attribute(
933 ldap_state->smbldap_state->ldap_struct,
934 entry,
935 get_userattr_key2string(ldap_state->schema_ver,
936 LDAP_ATTR_BAD_PASSWORD_TIME),
937 ctx);
938 if (temp) {
939 bad_password_time = (time_t) atol(temp);
940 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
941 }
942
943
944 temp = smbldap_talloc_single_attribute(
945 ldap_state->smbldap_state->ldap_struct,
946 entry,
947 get_userattr_key2string(ldap_state->schema_ver,
948 LDAP_ATTR_LOGON_COUNT),
949 ctx);
950 if (temp) {
951 logon_count = (uint32_t) atol(temp);
952 pdb_set_logon_count(sampass, logon_count, PDB_SET);
953 }
954
955 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
956
957 temp = smbldap_talloc_single_attribute(
958 ldap_state->smbldap_state->ldap_struct,
959 entry,
960 get_userattr_key2string(ldap_state->schema_ver,
961 LDAP_ATTR_LOGON_HOURS),
962 ctx);
963 if (temp) {
964 pdb_gethexhours(temp, hours);
965 memset((char *)temp, '\0', strlen(temp) +1);
966 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
967 ZERO_STRUCT(hours);
968 }
969
970 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
971 struct passwd unix_pw;
972 bool have_uid = false;
973 bool have_gid = false;
974 struct dom_sid mapped_gsid;
975 const struct dom_sid *primary_gsid;
976 struct unixid id;
977
978 ZERO_STRUCT(unix_pw);
979
980 unix_pw.pw_name = username;
981 unix_pw.pw_passwd = discard_const_p(char, "x");
982
983 temp = smbldap_talloc_single_attribute(
984 priv2ld(ldap_state),
985 entry,
986 "uidNumber",
987 ctx);
988 if (temp) {
989 /* We've got a uid, feed the cache */
990 unix_pw.pw_uid = strtoul(temp, NULL, 10);
991 have_uid = true;
992 }
993 temp = smbldap_talloc_single_attribute(
994 priv2ld(ldap_state),
995 entry,
996 "gidNumber",
997 ctx);
998 if (temp) {
999 /* We've got a uid, feed the cache */
1000 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1001 have_gid = true;
1002 }
1003 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1004 priv2ld(ldap_state),
1005 entry,
1006 "gecos",
1007 ctx);
1008 if (unix_pw.pw_gecos) {
1009 unix_pw.pw_gecos = fullname;
1010 }
1011 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1012 priv2ld(ldap_state),
1013 entry,
1014 "homeDirectory",
1015 ctx);
1016 if (unix_pw.pw_dir) {
1017 unix_pw.pw_dir = discard_const_p(char, "");
1018 }
1019 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1020 priv2ld(ldap_state),
1021 entry,
1022 "loginShell",
1023 ctx);
1024 if (unix_pw.pw_shell) {
1025 unix_pw.pw_shell = discard_const_p(char, "");
1026 }
1027
1028 if (have_uid && have_gid) {
1029 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1030 } else {
1031 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1032 }
1033
1034 if (sampass->unix_pw == NULL) {
1035 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1036 pdb_get_username(sampass)));
1037 goto fn_exit;
1038 }
1039
1040 id.id = sampass->unix_pw->pw_uid;
1041 id.type = ID_TYPE_UID;
1042
1043 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1044
1045 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1046 primary_gsid = pdb_get_group_sid(sampass);
1047 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1048 id.id = sampass->unix_pw->pw_gid;
1049 id.type = ID_TYPE_GID;
1050
1051 idmap_cache_set_sid2unixid(primary_gsid, &id);
1052 }
1053 }
1054
1055 /* check the timestamp of the cache vs ldap entry */
1056 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1057 entry))) {
1058 ret = true;
1059 goto fn_exit;
1060 }
1061
1062 /* see if we have newer updates */
1063 if (!login_cache_read(sampass, &cache_entry)) {
1064 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1065 (unsigned int)pdb_get_bad_password_count(sampass),
1066 (unsigned int)pdb_get_bad_password_time(sampass)));
1067 ret = true;
1068 goto fn_exit;
1069 }
1070
1071 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1072 (unsigned int)ldap_entry_time,
1073 (unsigned int)cache_entry.entry_timestamp,
1074 (unsigned int)cache_entry.bad_password_time));
1075
1076 if (ldap_entry_time > cache_entry.entry_timestamp) {
1077 /* cache is older than directory , so
1078 we need to delete the entry but allow the
1079 fields to be written out */
1080 login_cache_delentry(sampass);
1081 } else {
1082 /* read cache in */
1083 pdb_set_acct_ctrl(sampass,
1084 pdb_get_acct_ctrl(sampass) |
1085 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1086 PDB_SET);
1087 pdb_set_bad_password_count(sampass,
1088 cache_entry.bad_password_count,
1089 PDB_SET);
1090 pdb_set_bad_password_time(sampass,
1091 cache_entry.bad_password_time,
1092 PDB_SET);
1093 }
1094
1095 ret = true;
1096
1097 fn_exit:
1098
1099 TALLOC_FREE(ctx);
1100 return ret;
1101 }
1102
1103 /**********************************************************************
1104 Initialize the ldap db from a struct samu. Called on update.
1105 (Based on init_buffer_from_sam in pdb_tdb.c)
1106 *********************************************************************/
1107
1108 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1109 LDAPMessage *existing,
1110 LDAPMod *** mods, struct samu * sampass,
1111 bool (*need_update)(const struct samu *,
1112 enum pdb_elements))
1113 {
1114 char *temp = NULL;
1115
1116 if (mods == NULL || sampass == NULL) {
1117 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1118 return False;
1119 }
1120
1121 *mods = NULL;
1122
1123 /*
1124 * took out adding "objectclass: sambaAccount"
1125 * do this on a per-mod basis
1126 */
1127 if (need_update(sampass, PDB_USERNAME)) {
1128 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1129 "uid", pdb_get_username(sampass));
1130 if (ldap_state->is_nds_ldap) {
1131 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1132 "cn", pdb_get_username(sampass));
1133 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1134 "sn", pdb_get_username(sampass));
1135 }
1136 }
1137
1138 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1139
1140 /* only update the RID if we actually need to */
1141 if (need_update(sampass, PDB_USERSID)) {
1142 fstring sid_string;
1143 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1144
1145 switch ( ldap_state->schema_ver ) {
1146 case SCHEMAVER_SAMBASAMACCOUNT:
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1149 sid_to_fstring(sid_string, user_sid));
1150 break;
1151
1152 default:
1153 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1154 break;
1155 }
1156 }
1157
1158 /* we don't need to store the primary group RID - so leaving it
1159 'free' to hang off the unix primary group makes life easier */
1160
1161 if (need_update(sampass, PDB_GROUPSID)) {
1162 fstring sid_string;
1163 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1164
1165 switch ( ldap_state->schema_ver ) {
1166 case SCHEMAVER_SAMBASAMACCOUNT:
1167 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1168 get_userattr_key2string(ldap_state->schema_ver,
1169 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1170 break;
1171
1172 default:
1173 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1174 break;
1175 }
1176
1177 }
1178
1179 /* displayName, cn, and gecos should all be the same
1180 * most easily accomplished by giving them the same OID
1181 * gecos isn't set here b/c it should be handled by the
1182 * add-user script
1183 * We change displayName only and fall back to cn if
1184 * it does not exist.
1185 */
1186
1187 if (need_update(sampass, PDB_FULLNAME))
1188 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1189 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1190 pdb_get_fullname(sampass));
1191
1192 if (need_update(sampass, PDB_ACCTDESC))
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1195 pdb_get_acct_desc(sampass));
1196
1197 if (need_update(sampass, PDB_WORKSTATIONS))
1198 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1199 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1200 pdb_get_workstations(sampass));
1201
1202 if (need_update(sampass, PDB_MUNGEDDIAL))
1203 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1204 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1205 pdb_get_munged_dial(sampass));
1206
1207 if (need_update(sampass, PDB_SMBHOME))
1208 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1209 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1210 pdb_get_homedir(sampass));
1211
1212 if (need_update(sampass, PDB_DRIVE))
1213 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1214 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1215 pdb_get_dir_drive(sampass));
1216
1217 if (need_update(sampass, PDB_LOGONSCRIPT))
1218 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1219 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1220 pdb_get_logon_script(sampass));
1221
1222 if (need_update(sampass, PDB_PROFILE))
1223 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1224 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1225 pdb_get_profile_path(sampass));
1226
1227 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1228 return false;
1229 }
1230 if (need_update(sampass, PDB_LOGONTIME))
1231 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1232 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1233 SAFE_FREE(temp);
1234
1235 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1236 return false;
1237 }
1238 if (need_update(sampass, PDB_LOGOFFTIME))
1239 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1240 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1241 SAFE_FREE(temp);
1242
1243 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1244 return false;
1245 }
1246 if (need_update(sampass, PDB_KICKOFFTIME))
1247 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1248 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1249 SAFE_FREE(temp);
1250
1251 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1252 return false;
1253 }
1254 if (need_update(sampass, PDB_CANCHANGETIME))
1255 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1256 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1257 SAFE_FREE(temp);
1258
1259 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1260 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1261
1262 if (need_update(sampass, PDB_LMPASSWD)) {
1263 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1264 if (lm_pw) {
1265 char pwstr[34];
1266 pdb_sethexpwd(pwstr, lm_pw,
1267 pdb_get_acct_ctrl(sampass));
1268 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1269 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1270 pwstr);
1271 } else {
1272 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1273 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1274 NULL);
1275 }
1276 }
1277 if (need_update(sampass, PDB_NTPASSWD)) {
1278 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1279 if (nt_pw) {
1280 char pwstr[34];
1281 pdb_sethexpwd(pwstr, nt_pw,
1282 pdb_get_acct_ctrl(sampass));
1283 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1284 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1285 pwstr);
1286 } else {
1287 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1288 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1289 NULL);
1290 }
1291 }
1292
1293 if (need_update(sampass, PDB_PWHISTORY)) {
1294 char *pwstr = NULL;
1295 uint32_t pwHistLen = 0;
1296 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1297
1298 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1299 if (!pwstr) {
1300 return false;
1301 }
1302 if (pwHistLen == 0) {
1303 /* Remove any password history from the LDAP store. */
1304 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1305 pwstr[64] = '\0';
1306 } else {
1307 int i;
1308 uint32_t currHistLen = 0;
1309 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1310 if (pwhist != NULL) {
1311 /* We can only store (1024-1/64 password history entries. */
1312 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1313 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1314 /* Store the salt. */
1315 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1316 /* Followed by the md5 hash of salt + md4 hash */
1317 pdb_sethexpwd(&pwstr[(i*64)+32],
1318 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1319 DEBUG(100, ("pwstr=%s\n", pwstr));
1320 }
1321 }
1322 }
1323 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1324 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1325 pwstr);
1326 SAFE_FREE(pwstr);
1327 }
1328
1329 if (need_update(sampass, PDB_PASSLASTSET)) {
1330 if (asprintf(&temp, "%li",
1331 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1332 return false;
1333 }
1334 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1335 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1336 temp);
1337 SAFE_FREE(temp);
1338 }
1339 }
1340
1341 if (need_update(sampass, PDB_HOURS)) {
1342 const uint8 *hours = pdb_get_hours(sampass);
1343 if (hours) {
1344 char hourstr[44];
1345 pdb_sethexhours(hourstr, hours);
1346 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1347 existing,
1348 mods,
1349 get_userattr_key2string(ldap_state->schema_ver,
1350 LDAP_ATTR_LOGON_HOURS),
1351 hourstr);
1352 }
1353 }
1354
1355 if (need_update(sampass, PDB_ACCTCTRL))
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1358 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1359
1360 /* password lockout cache:
1361 - If we are now autolocking or clearing, we write to ldap
1362 - If we are clearing, we delete the cache entry
1363 - If the count is > 0, we update the cache
1364
1365 This even means when autolocking, we cache, just in case the
1366 update doesn't work, and we have to cache the autolock flag */
1367
1368 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1369 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1370 uint16_t badcount = pdb_get_bad_password_count(sampass);
1371 time_t badtime = pdb_get_bad_password_time(sampass);
1372 uint32_t pol;
1373 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1374
1375 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1376 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1377
1378 if ((badcount >= pol) || (badcount == 0)) {
1379 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1380 (unsigned int)badcount, (unsigned int)badtime));
1381 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1382 return false;
1383 }
1384 smbldap_make_mod(
1385 ldap_state->smbldap_state->ldap_struct,
1386 existing, mods,
1387 get_userattr_key2string(
1388 ldap_state->schema_ver,
1389 LDAP_ATTR_BAD_PASSWORD_COUNT),
1390 temp);
1391 SAFE_FREE(temp);
1392
1393 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1394 return false;
1395 }
1396 smbldap_make_mod(
1397 ldap_state->smbldap_state->ldap_struct,
1398 existing, mods,
1399 get_userattr_key2string(
1400 ldap_state->schema_ver,
1401 LDAP_ATTR_BAD_PASSWORD_TIME),
1402 temp);
1403 SAFE_FREE(temp);
1404 }
1405 if (badcount == 0) {
1406 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1407 login_cache_delentry(sampass);
1408 } else {
1409 struct login_cache cache_entry;
1410
1411 cache_entry.entry_timestamp = time(NULL);
1412 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1413 cache_entry.bad_password_count = badcount;
1414 cache_entry.bad_password_time = badtime;
1415
1416 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1417 login_cache_write(sampass, &cache_entry);
1418 }
1419 }
1420
1421 return True;
1422 }
1423
1424 /**********************************************************************
1425 End enumeration of the LDAP password list.
1426 *********************************************************************/
1427
1428 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1429 {
1430 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1431 if (ldap_state->result) {
1432 ldap_msgfree(ldap_state->result);
1433 ldap_state->result = NULL;
1434 }
1435 }
1436
1437 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1438 const char *new_attr)
1439 {
1440 int i;
1441
1442 if (new_attr == NULL) {
1443 return;
1444 }
1445
1446 for (i=0; (*attr_list)[i] != NULL; i++) {
1447 ;
1448 }
1449
1450 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1451 const char *, i+2);
1452 SMB_ASSERT((*attr_list) != NULL);
1453 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1454 (*attr_list)[i+1] = NULL;
1455 }
1456
1457 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1458 const char ***attr_list)
1459 {
1460 append_attr(mem_ctx, attr_list, "uidNumber");
1461 append_attr(mem_ctx, attr_list, "gidNumber");
1462 append_attr(mem_ctx, attr_list, "homeDirectory");
1463 append_attr(mem_ctx, attr_list, "loginShell");
1464 append_attr(mem_ctx, attr_list, "gecos");
1465 }
1466
1467 /**********************************************************************
1468 Get struct samu entry from LDAP by username.
1469 *********************************************************************/
1470
1471 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1472 {
1473 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1474 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1475 LDAPMessage *result = NULL;
1476 LDAPMessage *entry = NULL;
1477 int count;
1478 const char ** attr_list;
1479 int rc;
1480
1481 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1482 append_attr(user, &attr_list,
1483 get_userattr_key2string(ldap_state->schema_ver,
1484 LDAP_ATTR_MOD_TIMESTAMP));
1485 ldapsam_add_unix_attributes(user, &attr_list);
1486 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1487 attr_list);
1488 TALLOC_FREE( attr_list );
1489
1490 if ( rc != LDAP_SUCCESS )
1491 return NT_STATUS_NO_SUCH_USER;
1492
1493 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1494
1495 if (count < 1) {
1496 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1497 ldap_msgfree(result);
1498 return NT_STATUS_NO_SUCH_USER;
1499 } else if (count > 1) {
1500 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1501 ldap_msgfree(result);
1502 return NT_STATUS_NO_SUCH_USER;
1503 }
1504
1505 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1506 if (entry) {
1507 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1508 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1509 ldap_msgfree(result);
1510 return NT_STATUS_NO_SUCH_USER;
1511 }
1512 pdb_set_backend_private_data(user, result, NULL,
1513 my_methods, PDB_CHANGED);
1514 smbldap_talloc_autofree_ldapmsg(user, result);
1515 ret = NT_STATUS_OK;
1516 } else {
1517 ldap_msgfree(result);
1518 }
1519 return ret;
1520 }
1521
1522 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1523 const struct dom_sid *sid, LDAPMessage **result)
1524 {
1525 int rc = -1;
1526 const char ** attr_list;
1527
1528 switch ( ldap_state->schema_ver ) {
1529 case SCHEMAVER_SAMBASAMACCOUNT: {
1530 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1531 if (tmp_ctx == NULL) {
1532 return LDAP_NO_MEMORY;
1533 }
1534
1535 attr_list = get_userattr_list(tmp_ctx,
1536 ldap_state->schema_ver);
1537 append_attr(tmp_ctx, &attr_list,
1538 get_userattr_key2string(
1539 ldap_state->schema_ver,
1540 LDAP_ATTR_MOD_TIMESTAMP));
1541 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1542 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1543 result, attr_list);
1544 TALLOC_FREE(tmp_ctx);
1545
1546 if ( rc != LDAP_SUCCESS )
1547 return rc;
1548 break;
1549 }
1550
1551 default:
1552 DEBUG(0,("Invalid schema version specified\n"));
1553 break;
1554 }
1555 return rc;
1556 }
1557
1558 /**********************************************************************
1559 Get struct samu entry from LDAP by SID.
1560 *********************************************************************/
1561
1562 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1563 {
1564 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1565 LDAPMessage *result = NULL;
1566 LDAPMessage *entry = NULL;
1567 int count;
1568 int rc;
1569
1570 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1571 sid, &result);
1572 if (rc != LDAP_SUCCESS)
1573 return NT_STATUS_NO_SUCH_USER;
1574
1575 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1576
1577 if (count < 1) {
1578 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1579 "count=%d\n", sid_string_dbg(sid), count));
1580 ldap_msgfree(result);
1581 return NT_STATUS_NO_SUCH_USER;
1582 } else if (count > 1) {
1583 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1584 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1585 count));
1586 ldap_msgfree(result);
1587 return NT_STATUS_NO_SUCH_USER;
1588 }
1589
1590 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1591 if (!entry) {
1592 ldap_msgfree(result);
1593 return NT_STATUS_NO_SUCH_USER;
1594 }
1595
1596 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1597 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1598 ldap_msgfree(result);
1599 return NT_STATUS_NO_SUCH_USER;
1600 }
1601
1602 pdb_set_backend_private_data(user, result, NULL,
1603 my_methods, PDB_CHANGED);
1604 smbldap_talloc_autofree_ldapmsg(user, result);
1605 return NT_STATUS_OK;
1606 }
1607
1608 /********************************************************************
1609 Do the actual modification - also change a plaintext passord if
1610 it it set.
1611 **********************************************************************/
1612
1613 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1614 struct samu *newpwd, char *dn,
1615 LDAPMod **mods, int ldap_op,
1616 bool (*need_update)(const struct samu *, enum pdb_elements))
1617 {
1618 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1619 int rc;
1620
1621 if (!newpwd || !dn) {
1622 return NT_STATUS_INVALID_PARAMETER;
1623 }
1624
1625 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1626 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1627 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1628 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1629 BerElement *ber;
1630 struct berval *bv;
1631 char *retoid = NULL;
1632 struct berval *retdata = NULL;
1633 char *utf8_password;
1634 char *utf8_dn;
1635 size_t converted_size;
1636 int ret;
1637
1638 if (!ldap_state->is_nds_ldap) {
1639
1640 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1641 LDAP_EXOP_MODIFY_PASSWD)) {
1642 DEBUG(2, ("ldap password change requested, but LDAP "
1643 "server does not support it -- ignoring\n"));
1644 return NT_STATUS_OK;
1645 }
1646 }
1647
1648 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1649 pdb_get_plaintext_passwd(newpwd),
1650 &converted_size))
1651 {
1652 return NT_STATUS_NO_MEMORY;
1653 }
1654
1655 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1656 TALLOC_FREE(utf8_password);
1657 return NT_STATUS_NO_MEMORY;
1658 }
1659
1660 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1661 DEBUG(0,("ber_alloc_t returns NULL\n"));
1662 TALLOC_FREE(utf8_password);
1663 TALLOC_FREE(utf8_dn);
1664 return NT_STATUS_UNSUCCESSFUL;
1665 }
1666
1667 if ((ber_printf (ber, "{") < 0) ||
1668 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1669 utf8_dn) < 0)) {
1670 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1671 "value <0\n"));
1672 ber_free(ber,1);
1673 TALLOC_FREE(utf8_dn);
1674 TALLOC_FREE(utf8_password);
1675 return NT_STATUS_UNSUCCESSFUL;
1676 }
1677
1678 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1679 ret = ber_printf(ber, "ts}",
1680 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1681 utf8_password);
1682 } else {
1683 ret = ber_printf(ber, "}");
1684 }
1685
1686 if (ret < 0) {
1687 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1688 "value <0\n"));
1689 ber_free(ber,1);
1690 TALLOC_FREE(utf8_dn);
1691 TALLOC_FREE(utf8_password);
1692 return NT_STATUS_UNSUCCESSFUL;
1693 }
1694
1695 if ((rc = ber_flatten (ber, &bv))<0) {
1696 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1697 ber_free(ber,1);
1698 TALLOC_FREE(utf8_dn);
1699 TALLOC_FREE(utf8_password);
1700 return NT_STATUS_UNSUCCESSFUL;
1701 }
1702
1703 TALLOC_FREE(utf8_dn);
1704 TALLOC_FREE(utf8_password);
1705 ber_free(ber, 1);
1706
1707 if (!ldap_state->is_nds_ldap) {
1708 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1709 LDAP_EXOP_MODIFY_PASSWD,
1710 bv, NULL, NULL, &retoid,
1711 &retdata);
1712 } else {
1713 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1714 pdb_get_plaintext_passwd(newpwd));
1715 }
1716 if (rc != LDAP_SUCCESS) {
1717 char *ld_error = NULL;
1718
1719 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1720 DEBUG(3, ("Could not set userPassword "
1721 "attribute due to an objectClass "
1722 "violation -- ignoring\n"));
1723 ber_bvfree(bv);
1724 return NT_STATUS_OK;
1725 }
1726
1727 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1728 &ld_error);
1729 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1730 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1731 SAFE_FREE(ld_error);
1732 ber_bvfree(bv);
1733 #if defined(LDAP_CONSTRAINT_VIOLATION)
1734 if (rc == LDAP_CONSTRAINT_VIOLATION)
1735 return NT_STATUS_PASSWORD_RESTRICTION;
1736 #endif
1737 return NT_STATUS_UNSUCCESSFUL;
1738 } else {
1739 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1740 #ifdef DEBUG_PASSWORD
1741 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1742 #endif
1743 if (retdata)
1744 ber_bvfree(retdata);
1745 if (retoid)
1746 ldap_memfree(retoid);
1747 }
1748 ber_bvfree(bv);
1749 }
1750
1751 if (!mods) {
1752 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1753 /* may be password change below however */
1754 } else {
1755 switch(ldap_op) {
1756 case LDAP_MOD_ADD:
1757 if (ldap_state->is_nds_ldap) {
1758 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1759 "objectclass",
1760 "inetOrgPerson");
1761 } else {
1762 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1763 "objectclass",
1764 LDAP_OBJ_ACCOUNT);
1765 }
1766 rc = smbldap_add(ldap_state->smbldap_state,
1767 dn, mods);
1768 break;
1769 case LDAP_MOD_REPLACE:
1770 rc = smbldap_modify(ldap_state->smbldap_state,
1771 dn ,mods);
1772 break;
1773 default:
1774 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1775 ldap_op));
1776 return NT_STATUS_INVALID_PARAMETER;
1777 }
1778
1779 if (rc!=LDAP_SUCCESS) {
1780 return NT_STATUS_UNSUCCESSFUL;
1781 }
1782 }
1783
1784 return NT_STATUS_OK;
1785 }
1786
1787 /**********************************************************************
1788 Delete entry from LDAP for username.
1789 *********************************************************************/
1790
1791 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1792 struct samu * sam_acct)
1793 {
1794 struct ldapsam_privates *priv =
1795 (struct ldapsam_privates *)my_methods->private_data;
1796 const char *sname;
1797 int rc;
1798 LDAPMessage *msg, *entry;
1799 NTSTATUS result = NT_STATUS_NO_MEMORY;
1800 const char **attr_list;
1801 TALLOC_CTX *mem_ctx;
1802
1803 if (!sam_acct) {
1804 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1805 return NT_STATUS_INVALID_PARAMETER;
1806 }
1807
1808 sname = pdb_get_username(sam_acct);
1809
1810 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1811 "LDAP.\n", sname));
1812
1813 mem_ctx = talloc_new(NULL);
1814 if (mem_ctx == NULL) {
1815 DEBUG(0, ("talloc_new failed\n"));
1816 goto done;
1817 }
1818
1819 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1820 if (attr_list == NULL) {
1821 goto done;
1822 }
1823
1824 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1825
1826 if ((rc != LDAP_SUCCESS) ||
1827 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1828 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1829 DEBUG(5, ("Could not find user %s\n", sname));
1830 result = NT_STATUS_NO_SUCH_USER;
1831 goto done;
1832 }
1833
1834 rc = ldapsam_delete_entry(
1835 priv, mem_ctx, entry,
1836 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1837 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1838 attr_list);
1839
1840 result = (rc == LDAP_SUCCESS) ?
1841 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1842
1843 done:
1844 TALLOC_FREE(mem_ctx);
1845 return result;
1846 }
1847
1848 /**********************************************************************
1849 Update struct samu.
1850 *********************************************************************/
1851
1852 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1853 {
1854 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1855 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1856 int rc = 0;
1857 char *dn;
1858 LDAPMessage *result = NULL;
1859 LDAPMessage *entry = NULL;
1860 LDAPMod **mods = NULL;
1861 const char **attr_list;
1862
1863 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1864 if (!result) {
1865 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1866 if (pdb_get_username(newpwd) == NULL) {
1867 return NT_STATUS_INVALID_PARAMETER;
1868 }
1869 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1870 TALLOC_FREE( attr_list );
1871 if (rc != LDAP_SUCCESS) {
1872 return NT_STATUS_UNSUCCESSFUL;
1873 }
1874 pdb_set_backend_private_data(newpwd, result, NULL,
1875 my_methods, PDB_CHANGED);
1876 smbldap_talloc_autofree_ldapmsg(newpwd, result);
1877 }
1878
1879 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1880 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1881 return NT_STATUS_UNSUCCESSFUL;
1882 }
1883
1884 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1885 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1886 if (!dn) {
1887 return NT_STATUS_UNSUCCESSFUL;
1888 }
1889
1890 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1891
1892 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1893 pdb_element_is_changed)) {
1894 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1895 TALLOC_FREE(dn);
1896 if (mods != NULL)
1897 ldap_mods_free(mods,True);
1898 return NT_STATUS_UNSUCCESSFUL;
1899 }
1900
1901 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1902 && (mods == NULL)) {
1903 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1904 pdb_get_username(newpwd)));
1905 TALLOC_FREE(dn);
1906 return NT_STATUS_OK;
1907 }
1908
1909 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1910
1911 if (mods != NULL) {
1912 ldap_mods_free(mods,True);
1913 }
1914
1915 TALLOC_FREE(dn);
1916
1917 /*
1918 * We need to set the backend private data to NULL here. For example
1919 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1920 * same one, and with the explicit delete / add logic for attribute
1921 * values the second time we would use the wrong "old" value which
1922 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1923 * the update.
1924 * The existing LDAPMessage is still being auto-freed by the
1925 * destructor.
1926 */
1927 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1928 PDB_CHANGED);
1929
1930 if (!NT_STATUS_IS_OK(ret)) {
1931 return ret;
1932 }
1933
1934 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1935 pdb_get_username(newpwd)));
1936 return NT_STATUS_OK;
1937 }
1938
1939 /***************************************************************************
1940 Renames a struct samu
1941 - The "rename user script" has full responsibility for changing everything
1942 ***************************************************************************/
1943
1944 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
1945 TALLOC_CTX *tmp_ctx,
1946 uint32_t group_rid,
1947 uint32_t member_rid);
1948
1949 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
1950 TALLOC_CTX *mem_ctx,
1951 struct samu *user,
1952 struct dom_sid **pp_sids,
1953 gid_t **pp_gids,
1954 uint32_t *p_num_groups);
1955
1956 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1957 struct samu *old_acct,
1958 const char *newname)
1959 {
1960 const char *oldname;
1961 int rc;
1962 char *rename_script = NULL;
1963 fstring oldname_lower, newname_lower;
1964
1965 if (!old_acct) {
1966 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1967 return NT_STATUS_INVALID_PARAMETER;
1968 }
1969 if (!newname) {
1970 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1971 return NT_STATUS_INVALID_PARAMETER;
1972 }
1973
1974 oldname = pdb_get_username(old_acct);
1975
1976 /* rename the posix user */
1977 rename_script = lp_rename_user_script(talloc_tos());
1978 if (rename_script == NULL) {
1979 return NT_STATUS_NO_MEMORY;
1980 }
1981
1982 if (!(*rename_script)) {
1983 TALLOC_FREE(rename_script);
1984 return NT_STATUS_ACCESS_DENIED;
1985 }
1986
1987 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1988 oldname, newname));
1989
1990 /* We have to allow the account name to end with a '$'.
1991 Also, follow the semantics in _samr_create_user() and lower case the
1992 posix name but preserve the case in passdb */
1993
1994 fstrcpy( oldname_lower, oldname );
1995 if (!strlower_m( oldname_lower )) {
1996 return NT_STATUS_INVALID_PARAMETER;
1997 }
1998 fstrcpy( newname_lower, newname );
1999 if (!strlower_m( newname_lower )) {
2000 return NT_STATUS_INVALID_PARAMETER;
2001 }
2002
2003 rename_script = realloc_string_sub2(rename_script,
2004 "%unew",
2005 newname_lower,
2006 true,
2007 true);
2008 if (!rename_script) {
2009 return NT_STATUS_NO_MEMORY;
2010 }
2011 rename_script = realloc_string_sub2(rename_script,
2012 "%uold",
2013 oldname_lower,
2014 true,
2015 true);
2016 rc = smbrun(rename_script, NULL);
2017
2018 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2019 rename_script, rc));
2020
2021 TALLOC_FREE(rename_script);
2022
2023 if (rc == 0) {
2024 smb_nscd_flush_user_cache();
2025 }
2026
2027 if (rc)
2028 return NT_STATUS_UNSUCCESSFUL;
2029
2030 return NT_STATUS_OK;
2031 }
2032
2033 /**********************************************************************
2034 Add struct samu to LDAP.
2035 *********************************************************************/
2036
2037 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2038 {
2039 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2040 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2041 int rc;
2042 LDAPMessage *result = NULL;
2043 LDAPMessage *entry = NULL;
2044 LDAPMod **mods = NULL;
2045 int ldap_op = LDAP_MOD_REPLACE;
2046 uint32_t num_result;
2047 const char **attr_list;
2048 char *escape_user = NULL;
2049 const char *username = pdb_get_username(newpwd);
2050 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2051 char *filter = NULL;
2052 char *dn = NULL;
2053 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2054 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2055
2056 if (!ctx) {
2057 return NT_STATUS_NO_MEMORY;
2058 }
2059
2060 if (!username || !*username) {
2061 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2062 status = NT_STATUS_INVALID_PARAMETER;
2063 goto fn_exit;
2064 }
2065
2066 /* free this list after the second search or in case we exit on failure */
2067 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2068
2069 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2070
2071 if (rc != LDAP_SUCCESS) {
2072 goto fn_exit;
2073 }
2074
2075 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2076 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2077 username));
2078 goto fn_exit;
2079 }
2080 ldap_msgfree(result);
2081 result = NULL;
2082
2083 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2084 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2085 sid, &result);
2086 if (rc == LDAP_SUCCESS) {
2087 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2088 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2089 "already in the base, with samba "
2090 "attributes\n", sid_string_dbg(sid)));
2091 goto fn_exit;
2092 }
2093 ldap_msgfree(result);
2094 result = NULL;
2095 }
2096 }
2097
2098 /* does the entry already exist but without a samba attributes?
2099 we need to return the samba attributes here */
2100
2101 escape_user = escape_ldap_string(talloc_tos(), username);
2102 filter = talloc_strdup(attr_list, "(uid=%u)");
2103 if (!filter) {
2104 status = NT_STATUS_NO_MEMORY;
2105 goto fn_exit;
2106 }
2107 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2108 TALLOC_FREE(escape_user);
2109 if (!filter) {
2110 status = NT_STATUS_NO_MEMORY;
2111 goto fn_exit;
2112 }
2113
2114 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2115 filter, attr_list, &result);
2116 if ( rc != LDAP_SUCCESS ) {
2117 goto fn_exit;
2118 }
2119
2120 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2121
2122 if (num_result > 1) {
2123 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2124 goto fn_exit;
2125 }
2126
2127 /* Check if we need to update an existing entry */
2128 if (num_result == 1) {
2129 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2130 ldap_op = LDAP_MOD_REPLACE;
2131 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2132 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2133 if (!dn) {
2134 status = NT_STATUS_NO_MEMORY;
2135 goto fn_exit;
2136 }
2137
2138 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2139
2140 /* There might be a SID for this account already - say an idmap entry */
2141
2142 filter = talloc_asprintf(ctx,
2143 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2144 get_userattr_key2string(ldap_state->schema_ver,
2145 LDAP_ATTR_USER_SID),
2146 sid_string_talloc(ctx, sid),
2147 LDAP_OBJ_IDMAP_ENTRY,
2148 LDAP_OBJ_SID_ENTRY);
2149 if (!filter) {
2150 status = NT_STATUS_NO_MEMORY;
2151 goto fn_exit;
2152 }
2153
2154 /* free old result before doing a new search */
2155 if (result != NULL) {
2156 ldap_msgfree(result);
2157 result = NULL;
2158 }
2159 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2160 filter, attr_list, &result);
2161
2162 if ( rc != LDAP_SUCCESS ) {
2163 goto fn_exit;
2164 }
2165
2166 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2167
2168 if (num_result > 1) {
2169 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2170 goto fn_exit;
2171 }
2172
2173 /* Check if we need to update an existing entry */
2174 if (num_result == 1) {
2175
2176 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2177 ldap_op = LDAP_MOD_REPLACE;
2178 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2179 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2180 if (!dn) {
2181 status = NT_STATUS_NO_MEMORY;
2182 goto fn_exit;
2183 }
2184 }
2185 }
2186
2187 if (num_result == 0) {
2188 char *escape_username;
2189 /* Check if we need to add an entry */
2190 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2191 ldap_op = LDAP_MOD_ADD;
2192
2193 escape_username = escape_rdn_val_string_alloc(username);
2194 if (!escape_username) {
2195 status = NT_STATUS_NO_MEMORY;
2196 goto fn_exit;
2197 }
2198
2199 if (username[strlen(username)-1] == '$') {
2200 dn = talloc_asprintf(ctx,
2201 "uid=%s,%s",
2202 escape_username,
2203 lp_ldap_machine_suffix(talloc_tos()));
2204 } else {
2205 dn = talloc_asprintf(ctx,
2206 "uid=%s,%s",
2207 escape_username,
2208 lp_ldap_user_suffix(talloc_tos()));
2209 }
2210
2211 SAFE_FREE(escape_username);
2212 if (!dn) {
2213 status = NT_STATUS_NO_MEMORY;
2214 goto fn_exit;
2215 }
2216 }
2217
2218 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2219 pdb_element_is_set_or_changed)) {
2220 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2221 if (mods != NULL) {
2222 ldap_mods_free(mods, true);
2223 }
2224 goto fn_exit;
2225 }
2226
2227 if (mods == NULL) {
2228 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2229 goto fn_exit;
2230 }
2231 switch ( ldap_state->schema_ver ) {
2232 case SCHEMAVER_SAMBASAMACCOUNT:
2233 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2234 break;
2235 default:
2236 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2237 break;
2238 }
2239
2240 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2241 if (!NT_STATUS_IS_OK(ret)) {
2242 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2243 pdb_get_username(newpwd),dn));
2244 ldap_mods_free(mods, true);
2245 goto fn_exit;
2246 }
2247
2248 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2249 ldap_mods_free(mods, true);
2250
2251 status = NT_STATUS_OK;
2252
2253 fn_exit:
2254
2255 TALLOC_FREE(ctx);
2256 if (result) {
2257 ldap_msgfree(result);
2258 }
2259 return status;
2260 }
2261
2262 /**********************************************************************
2263 *********************************************************************/
2264
2265 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2266 const char *filter,
2267 LDAPMessage ** result)
2268 {
2269 int scope = LDAP_SCOPE_SUBTREE;
2270 int rc;
2271 const char **attr_list;
2272
2273 attr_list = get_attr_list(NULL, groupmap_attr_list);
2274 rc = smbldap_search(ldap_state->smbldap_state,
2275 lp_ldap_suffix (talloc_tos()), scope,
2276 filter, attr_list, 0, result);
2277 TALLOC_FREE(attr_list);
2278
2279 return rc;
2280 }
2281
2282 /**********************************************************************
2283 *********************************************************************/
2284
2285 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2286 GROUP_MAP *map, LDAPMessage *entry)
2287 {
2288 char *temp = NULL;
2289 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2290
2291 if (ldap_state == NULL || map == NULL || entry == NULL ||
2292 ldap_state->smbldap_state->ldap_struct == NULL) {
2293 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2294 TALLOC_FREE(ctx);
2295 return false;
2296 }
2297
2298 temp = smbldap_talloc_single_attribute(
2299 ldap_state->smbldap_state->ldap_struct,
2300 entry,
2301 get_attr_key2string(groupmap_attr_list,
2302 LDAP_ATTR_GIDNUMBER),
2303 ctx);
2304 if (!temp) {
2305 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2306 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2307 TALLOC_FREE(ctx);
2308 return false;
2309 }
2310 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2311
2312 map->gid = (gid_t)atol(temp);
2313
2314 TALLOC_FREE(temp);
2315 temp = smbldap_talloc_single_attribute(
2316 ldap_state->smbldap_state->ldap_struct,
2317 entry,
2318 get_attr_key2string(groupmap_attr_list,
2319 LDAP_ATTR_GROUP_SID),
2320 ctx);
2321 if (!temp) {
2322 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2323 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2324 TALLOC_FREE(ctx);
2325 return false;
2326 }
2327
2328 if (!string_to_sid(&map->sid, temp)) {
2329 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2330 TALLOC_FREE(ctx);
2331 return false;
2332 }
2333
2334 TALLOC_FREE(temp);
2335 temp = smbldap_talloc_single_attribute(
2336 ldap_state->smbldap_state->ldap_struct,
2337 entry,
2338 get_attr_key2string(groupmap_attr_list,
2339 LDAP_ATTR_GROUP_TYPE),
2340 ctx);
2341 if (!temp) {
2342 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2343 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2344 TALLOC_FREE(ctx);
2345 return false;
2346 }
2347 map->sid_name_use = (enum lsa_SidType)atol(temp);
2348
2349 if ((map->sid_name_use < SID_NAME_USER) ||
2350 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2351 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2352 TALLOC_FREE(ctx);
2353 return false;
2354 }
2355
2356 TALLOC_FREE(temp);
2357 temp = smbldap_talloc_single_attribute(
2358 ldap_state->smbldap_state->ldap_struct,
2359 entry,
2360 get_attr_key2string(groupmap_attr_list,
2361 LDAP_ATTR_DISPLAY_NAME),
2362 ctx);
2363 if (!temp) {
2364 temp = smbldap_talloc_single_attribute(
2365 ldap_state->smbldap_state->ldap_struct,
2366 entry,
2367 get_attr_key2string(groupmap_attr_list,
2368 LDAP_ATTR_CN),
2369 ctx);
2370 if (!temp) {
2371 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2372 for gidNumber(%lu)\n",(unsigned long)map->gid));
2373 TALLOC_FREE(ctx);
2374 return false;
2375 }
2376 }
2377 map->nt_name = talloc_strdup(map, temp);
2378 if (!map->nt_name) {
2379 TALLOC_FREE(ctx);
2380 return false;
2381 }
2382
2383 TALLOC_FREE(temp);
2384 temp = smbldap_talloc_single_attribute(
2385 ldap_state->smbldap_state->ldap_struct,
2386 entry,
2387 get_attr_key2string(groupmap_attr_list,
2388 LDAP_ATTR_DESC),
2389 ctx);
2390 if (!temp) {
2391 temp = talloc_strdup(ctx, "");
2392 if (!temp) {
2393 TALLOC_FREE(ctx);
2394 return false;
2395 }
2396 }
2397 map->comment = talloc_strdup(map, temp);
2398 if (!map->comment) {
2399 TALLOC_FREE(ctx);
2400 return false;
2401 }
2402
2403 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2404 struct unixid id;
2405 id.id = map->gid;
2406 id.type = ID_TYPE_GID;
2407
2408 idmap_cache_set_sid2unixid(&map->sid, &id);
2409 }
2410
2411 TALLOC_FREE(ctx);
2412 return true;
2413 }
2414
2415 /**********************************************************************
2416 *********************************************************************/
2417
2418 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2419 const char *filter,
2420 GROUP_MAP *map)
2421 {
2422 struct ldapsam_privates *ldap_state =
2423 (struct ldapsam_privates *)methods->private_data;
2424 LDAPMessage *result = NULL;
2425 LDAPMessage *entry = NULL;
2426 int count;
2427
2428 if (ldapsam_search_one_group(ldap_state, filter, &result)
2429 != LDAP_SUCCESS) {
2430 return NT_STATUS_NO_SUCH_GROUP;
2431 }
2432
2433 count = ldap_count_entries(priv2ld(ldap_state), result);
2434
2435 if (count < 1) {
2436 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2437 "%s\n", filter));
2438 ldap_msgfree(result);
2439 return NT_STATUS_NO_SUCH_GROUP;
2440 }
2441
2442 if (count > 1) {
2443 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2444 "count=%d\n", filter, count));
2445 ldap_msgfree(result);
2446 return NT_STATUS_NO_SUCH_GROUP;
2447 }
2448
2449 entry = ldap_first_entry(priv2ld(ldap_state), result);
2450
2451 if (!entry) {
2452 ldap_msgfree(result);
2453 return NT_STATUS_UNSUCCESSFUL;
2454 }
2455
2456 if (!init_group_from_ldap(ldap_state, map, entry)) {
2457 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2458 "group filter %s\n", filter));
2459 ldap_msgfree(result);
2460 return NT_STATUS_NO_SUCH_GROUP;
2461 }
2462
2463 ldap_msgfree(result);
2464 return NT_STATUS_OK;
2465 }
2466
2467 /**********************************************************************
2468 *********************************************************************/
2469
2470 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2471 struct dom_sid sid)
2472 {
2473 char *filter = NULL;
2474 NTSTATUS status;
2475 fstring tmp;
2476
2477 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2478 LDAP_OBJ_GROUPMAP,
2479 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2480 sid_to_fstring(tmp, &sid)) < 0) {
2481 return NT_STATUS_NO_MEMORY;
2482 }
2483
2484 status = ldapsam_getgroup(methods, filter, map);
2485 SAFE_FREE(filter);
2486 return status;
2487 }
2488
2489 /**********************************************************************
2490 *********************************************************************/
2491
2492 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2493 gid_t gid)
2494 {
2495 char *filter = NULL;
2496 NTSTATUS status;
2497
2498 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2499 LDAP_OBJ_GROUPMAP,
2500 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2501 (unsigned long)gid) < 0) {
2502 return NT_STATUS_NO_MEMORY;
2503 }
2504
2505 status = ldapsam_getgroup(methods, filter, map);
2506 SAFE_FREE(filter);
2507 return status;
2508 }
2509
2510 /**********************************************************************
2511 *********************************************************************/
2512
2513 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2514 const char *name)
2515 {
2516 char *filter = NULL;
2517 char *escape_name = escape_ldap_string(talloc_tos(), name);
2518 NTSTATUS status;
2519
2520 if (!escape_name) {
2521 return NT_STATUS_NO_MEMORY;
2522 }
2523
2524 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2525 LDAP_OBJ_GROUPMAP,
2526 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2527 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2528 escape_name) < 0) {
2529 TALLOC_FREE(escape_name);
2530 return NT_STATUS_NO_MEMORY;
2531 }
2532
2533 TALLOC_FREE(escape_name);
2534 status = ldapsam_getgroup(methods, filter, map);
2535 SAFE_FREE(filter);
2536 return status;
2537 }
2538
2539 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2540 LDAPMessage *entry,
2541 const struct dom_sid *domain_sid,
2542 uint32_t *rid)
2543 {
2544 fstring str;
2545 struct dom_sid sid;
2546
2547 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2548 str, sizeof(str)-1)) {
2549 DEBUG(10, ("Could not find sambaSID attribute\n"));
2550 return False;
2551 }
2552
2553 if (!string_to_sid(&sid, str)) {
2554 DEBUG(10, ("Could not convert string %s to sid\n", str));
2555 return False;
2556 }
2557
2558 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2559 DEBUG(10, ("SID %s is not in expected domain %s\n",
2560 str, sid_string_dbg(domain_sid)));
2561 return False;
2562 }
2563
2564 if (!sid_peek_rid(&sid, rid)) {
2565 DEBUG(10, ("Could not peek into RID\n"));
2566 return False;
2567 }
2568
2569 return True;
2570 }
2571
2572 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2573 TALLOC_CTX *mem_ctx,
2574 const struct dom_sid *group,
2575 uint32_t **pp_member_rids,
2576 size_t *p_num_members)
2577 {
2578 struct ldapsam_privates *ldap_state =
2579 (struct ldapsam_privates *)methods->private_data;
2580 struct smbldap_state *conn = ldap_state->smbldap_state;
2581 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2582 const char *sid_attrs[] = { "sambaSID", NULL };
2583 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2584 LDAPMessage *result = NULL;
2585 LDAPMessage *entry;
2586 char *filter;
2587 char **values = NULL;
2588 char **memberuid;
2589 char *gidstr;
2590 int rc, count;
2591
2592 *pp_member_rids = NULL;
2593 *p_num_members = 0;
2594
2595 filter = talloc_asprintf(mem_ctx,
2596 "(&(objectClass=%s)"
2597 "(objectClass=%s)"
2598 "(sambaSID=%s))",
2599 LDAP_OBJ_POSIXGROUP,
2600 LDAP_OBJ_GROUPMAP,
2601 sid_string_talloc(mem_ctx, group));
2602 if (filter == NULL) {
2603 ret = NT_STATUS_NO_MEMORY;
2604 goto done;
2605 }
2606
2607 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2608 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2609 &result);
2610
2611 if (rc != LDAP_SUCCESS)
2612 goto done;
2613
2614 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2615
2616 count = ldap_count_entries(conn->ldap_struct, result);
2617
2618 if (count > 1) {
2619 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2620 sid_string_dbg(group)));
2621 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2622 goto done;
2623 }
2624
2625 if (count == 0) {
2626 ret = NT_STATUS_NO_SUCH_GROUP;
2627 goto done;
2628 }
2629
2630 entry = ldap_first_entry(conn->ldap_struct, result);
2631 if (entry == NULL)
2632 goto done;
2633
2634 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2635 if (!gidstr) {
2636 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2637 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2638 goto done;
2639 }
2640
2641 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2642
2643 if ((values != NULL) && (values[0] != NULL)) {
2644
2645 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2646 if (filter == NULL) {
2647 ret = NT_STATUS_NO_MEMORY;
2648 goto done;
2649 }
2650
2651 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2652 char *escape_memberuid;
2653
2654 escape_memberuid = escape_ldap_string(talloc_tos(),
2655 *memberuid);
2656 if (escape_memberuid == NULL) {
2657 ret = NT_STATUS_NO_MEMORY;
2658 goto done;
2659 }
2660
2661 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2662 TALLOC_FREE(escape_memberuid);
2663 if (filter == NULL) {
2664 ret = NT_STATUS_NO_MEMORY;
2665 goto done;
2666 }
2667 }
2668
2669 filter = talloc_asprintf_append_buffer(filter, "))");
2670 if (filter == NULL) {
2671 ret = NT_STATUS_NO_MEMORY;
2672 goto done;
2673 }
2674
2675 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2676 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2677 &result);
2678
2679 if (rc != LDAP_SUCCESS)
2680 goto done;
2681
2682 count = ldap_count_entries(conn->ldap_struct, result);
2683 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2684
2685 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2686
2687 for (entry = ldap_first_entry(conn->ldap_struct, result);
2688 entry != NULL;
2689 entry = ldap_next_entry(conn->ldap_struct, entry))
2690 {
2691 char *sidstr;
2692 struct dom_sid sid;
2693 uint32_t rid;
2694
2695 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2696 entry, "sambaSID",
2697 mem_ctx);
2698 if (!sidstr) {
2699 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2700 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2701 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2702 goto done;
2703 }
2704
2705 if (!string_to_sid(&sid, sidstr))
2706 goto done;
2707
2708 if (!sid_check_is_in_our_sam(&sid)) {
2709 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2710 "in our domain\n"));
2711 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2712 goto done;
2713 }
2714
2715 sid_peek_rid(&sid, &rid);
2716
2717 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2718 p_num_members)) {
2719 ret = NT_STATUS_NO_MEMORY;
2720 goto done;
2721 }
2722 }
2723 }
2724
2725 filter = talloc_asprintf(mem_ctx,
2726 "(&(objectClass=%s)"
2727 "(gidNumber=%s))",
2728 LDAP_OBJ_SAMBASAMACCOUNT,
2729 gidstr);
2730
2731 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2732 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2733 &result);
2734
2735 if (rc != LDAP_SUCCESS)
2736 goto done;
2737
2738 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2739
2740 for (entry = ldap_first_entry(conn->ldap_struct, result);
2741 entry != NULL;
2742 entry = ldap_next_entry(conn->ldap_struct, entry))
2743 {
2744 uint32_t rid;
2745
2746 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2747 entry,
2748 get_global_sam_sid(),
2749 &rid)) {
2750 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2751 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2752 goto done;
2753 }
2754
2755 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2756 p_num_members)) {
2757 ret = NT_STATUS_NO_MEMORY;
2758 goto done;
2759 }
2760 }
2761
2762 ret = NT_STATUS_OK;
2763
2764 done:
2765
2766 if (values)
2767 ldap_value_free(values);
2768
2769 return ret;
2770 }
2771
2772 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2773 TALLOC_CTX *mem_ctx,
2774 struct samu *user,
2775 struct dom_sid **pp_sids,
2776 gid_t **pp_gids,
2777 uint32_t *p_num_groups)
2778 {
2779 struct ldapsam_privates *ldap_state =
2780 (struct ldapsam_privates *)methods->private_data;
2781 struct smbldap_state *conn = ldap_state->smbldap_state;
2782 char *filter;
2783 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2784 char *escape_name;
2785 int rc, count;
2786 LDAPMessage *result = NULL;
2787 LDAPMessage *entry;
2788 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2789 uint32_t num_sids;
2790 uint32_t num_gids;
2791 char *gidstr;
2792 gid_t primary_gid = -1;
2793
2794 *pp_sids = NULL;
2795 num_sids = 0;
2796
2797 if (pdb_get_username(user) == NULL) {
2798 return NT_STATUS_INVALID_PARAMETER;
2799 }
2800
2801 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2802 if (escape_name == NULL)
2803 return NT_STATUS_NO_MEMORY;
2804
2805 if (user->unix_pw) {
2806 primary_gid = user->unix_pw->pw_gid;
2807 } else {
2808 /* retrieve the users primary gid */
2809 filter = talloc_asprintf(mem_ctx,
2810 "(&(objectClass=%s)(uid=%s))",
2811 LDAP_OBJ_SAMBASAMACCOUNT,
2812 escape_name);
2813 if (filter == NULL) {
2814 ret = NT_STATUS_NO_MEMORY;
2815 goto done;
2816 }
2817
2818 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2819 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2820
2821 if (rc != LDAP_SUCCESS)
2822 goto done;
2823
2824 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2825
2826 count = ldap_count_entries(priv2ld(ldap_state), result);
2827
2828 switch (count) {
2829 case 0:
2830 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2831 ret = NT_STATUS_NO_SUCH_USER;
2832 goto done;
2833 case 1:
2834 entry = ldap_first_entry(priv2ld(ldap_state), result);
2835
2836 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2837 if (!gidstr) {
2838 DEBUG (1, ("Unable to find the member's gid!\n"));
2839 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2840 goto done;
2841 }
2842 primary_gid = strtoul(gidstr, NULL, 10);
2843 break;
2844 default:
2845 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2846 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2847 goto done;
2848 }
2849 }
2850
2851 filter = talloc_asprintf(mem_ctx,
2852 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2853 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2854 if (filter == NULL) {
2855 ret = NT_STATUS_NO_MEMORY;
2856 goto done;
2857 }
2858
2859 rc = smbldap_search(conn, lp_ldap_suffix(talloc_tos()),
2860 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2861
2862 if (rc != LDAP_SUCCESS)
2863 goto done;
2864
2865 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2866
2867 num_gids = 0;
2868 *pp_gids = NULL;
2869
2870 num_sids = 0;
2871 *pp_sids = NULL;
2872
2873 /* We need to add the primary group as the first gid/sid */
2874
2875 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2876 ret = NT_STATUS_NO_MEMORY;
2877 goto done;
2878 }
2879
2880 /* This sid will be replaced later */
2881
2882 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2883 &num_sids);
2884 if (!NT_STATUS_IS_OK(ret)) {
2885 goto done;
2886 }
2887
2888 for (entry = ldap_first_entry(conn->ldap_struct, result);
2889 entry != NULL;
2890 entry = ldap_next_entry(conn->ldap_struct, entry))
2891 {
2892 fstring str;
2893 struct dom_sid sid;
2894 gid_t gid;
2895 char *end;
2896
2897 if (!smbldap_get_single_attribute(conn->ldap_struct,
2898 entry, "sambaSID",
2899 str, sizeof(str)-1))
2900 continue;
2901
2902 if (!string_to_sid(&sid, str))
2903 goto done;
2904
2905 if (!smbldap_get_single_attribute(conn->ldap_struct,
2906 entry, "gidNumber",
2907 str, sizeof(str)-1))
2908 continue;
2909
2910 gid = strtoul(str, &end, 10);
2911
2912 if (PTR_DIFF(end, str) != strlen(str))
2913 goto done;
2914
2915 if (gid == primary_gid) {
2916 sid_copy(&(*pp_sids)[0], &sid);
2917 } else {
2918 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2919 &num_gids)) {
2920 ret = NT_STATUS_NO_MEMORY;
2921 goto done;
2922 }
2923 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2924 &num_sids);
2925 if (!NT_STATUS_IS_OK(ret)) {
2926 goto done;
2927 }
2928 }
2929 }
2930
2931 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2932 DEBUG(3, ("primary group of [%s] not found\n",
2933 pdb_get_username(user)));
2934 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2935 goto done;
2936 }
2937
2938 *p_num_groups = num_sids;
2939
2940 ret = NT_STATUS_OK;
2941
2942 done:
2943
2944 TALLOC_FREE(escape_name);
2945 return ret;
2946 }
2947
2948 /**********************************************************************
2949 * Augment a posixGroup object with a sambaGroupMapping domgroup
2950 *********************************************************************/
2951
2952 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2953 struct ldapsam_privates *ldap_state,
2954 GROUP_MAP *map)
2955 {
2956 const char *filter, *dn;
2957 LDAPMessage *msg, *entry;
2958 LDAPMod **mods;
2959 int rc;
2960
2961 filter = talloc_asprintf(mem_ctx,
2962 "(&(objectClass=%s)(gidNumber=%u))",
2963 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
2964 if (filter == NULL) {
2965 return NT_STATUS_NO_MEMORY;
2966 }
2967
2968 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2969 get_attr_list(mem_ctx, groupmap_attr_list),
2970 &msg);
2971 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
2972
2973 if ((rc != LDAP_SUCCESS) ||
2974 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2975 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2976 return NT_STATUS_NO_SUCH_GROUP;
2977 }
2978
2979 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2980 if (dn == NULL) {
2981 return NT_STATUS_NO_MEMORY;
2982 }
2983
2984 mods = NULL;
2985 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2986 LDAP_OBJ_GROUPMAP);
2987 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2988 sid_string_talloc(mem_ctx, &map->sid));
2989 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2990 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2991 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2992 map->nt_name);
2993 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2994 map->comment);
2995 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
2996
2997 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2998 if (rc != LDAP_SUCCESS) {
2999 return NT_STATUS_ACCESS_DENIED;
3000 }
3001
3002 return NT_STATUS_OK;
3003 }
3004
3005 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3006 GROUP_MAP *map)
3007 {
3008 struct ldapsam_privates *ldap_state =
3009 (struct ldapsam_privates *)methods->private_data;
3010 LDAPMessage *msg = NULL;
3011 LDAPMod **mods = NULL;
3012 const char *attrs[] = { NULL };
3013 char *filter;
3014
3015 char *dn;
3016 TALLOC_CTX *mem_ctx;
3017 NTSTATUS result;
3018
3019 struct dom_sid sid;
3020
3021 int rc;
3022
3023 mem_ctx = talloc_new(NULL);
3024 if (mem_ctx == NULL) {
3025 DEBUG(0, ("talloc_new failed\n"));
3026 return NT_STATUS_NO_MEMORY;
3027 }
3028
3029 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3030 sid_string_talloc(mem_ctx, &map->sid));
3031 if (filter == NULL) {
3032 result = NT_STATUS_NO_MEMORY;
3033 goto done;
3034 }
3035
3036 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3037 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3038 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3039
3040 if ((rc == LDAP_SUCCESS) &&
3041 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3042
3043 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3044 "group mapping entry\n", sid_string_dbg(&map->sid)));
3045 result = NT_STATUS_GROUP_EXISTS;
3046 goto done;
3047 }
3048
3049 switch (map->sid_name_use) {
3050
3051 case SID_NAME_DOM_GRP:
3052 /* To map a domain group we need to have a posix group
3053 to attach to. */
3054 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3055 goto done;
3056 break;
3057
3058 case SID_NAME_ALIAS:
3059 if (!sid_check_is_in_our_sam(&map->sid)
3060 && !sid_check_is_in_builtin(&map->sid) )
3061 {
3062 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3063 sid_string_dbg(&map->sid)));
3064 result = NT_STATUS_INVALID_PARAMETER;
3065 goto done;
3066 }
3067 break;
3068
3069 default:
3070 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3071 sid_type_lookup(map->sid_name_use)));
3072 result = NT_STATUS_INVALID_PARAMETER;
3073 goto done;
3074 }
3075
3076 /* Domain groups have been mapped in a separate routine, we have to
3077 * create an alias now */
3078
3079 if (map->gid == -1) {
3080 DEBUG(10, ("Refusing to map gid==-1\n"));
3081 result = NT_STATUS_INVALID_PARAMETER;
3082 goto done;
3083 }
3084
3085 if (pdb_gid_to_sid(map->gid, &sid)) {
3086 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3087 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3088 result = NT_STATUS_GROUP_EXISTS;
3089 goto done;
3090 }
3091
3092 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3093 * the best we can get out of LDAP. */
3094
3095 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3096 sid_string_talloc(mem_ctx, &map->sid),
3097 lp_ldap_group_suffix(talloc_tos()));
3098 if (dn == NULL) {
3099 result = NT_STATUS_NO_MEMORY;
3100 goto done;
3101 }
3102
3103 mods = NULL;
3104
3105 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3106 LDAP_OBJ_SID_ENTRY);
3107 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3108 LDAP_OBJ_GROUPMAP);
3109 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3110 sid_string_talloc(mem_ctx, &map->sid));
3111 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3112 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3113 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3114 map->nt_name);
3115 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3116 map->comment);
3117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3118 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3119 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3120
3121 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3122
3123 result = (rc == LDAP_SUCCESS) ?
3124 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3125
3126 done:
3127 TALLOC_FREE(mem_ctx);
3128 return result;
3129 }
3130
3131 /**********************************************************************
3132 * Update a group mapping entry. We're quite strict about what can be changed:
3133 * Only the description and displayname may be changed. It simply does not
3134 * make any sense to change the SID, gid or the type in a mapping.
3135 *********************************************************************/
3136
3137 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3138 GROUP_MAP *map)
3139 {
3140 struct ldapsam_privates *ldap_state =
3141 (struct ldapsam_privates *)methods->private_data;
3142 int rc;
3143 const char *filter, *dn;
3144 LDAPMessage *msg = NULL;
3145 LDAPMessage *entry = NULL;
3146 LDAPMod **mods = NULL;
3147 TALLOC_CTX *mem_ctx;
3148 NTSTATUS result;
3149
3150 mem_ctx = talloc_new(NULL);
3151 if (mem_ctx == NULL) {
3152 DEBUG(0, ("talloc_new failed\n"));
3153 return NT_STATUS_NO_MEMORY;
3154 }
3155
3156 /* Make 100% sure that sid, gid and type are not changed by looking up
3157 * exactly the values we're given in LDAP. */
3158
3159 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3160 "(sambaSid=%s)(gidNumber=%u)"
3161 "(sambaGroupType=%d))",
3162 LDAP_OBJ_GROUPMAP,
3163 sid_string_talloc(mem_ctx, &map->sid),
3164 (unsigned int)map->gid, map->sid_name_use);
3165 if (filter == NULL) {
3166 result = NT_STATUS_NO_MEMORY;
3167 goto done;
3168 }
3169
3170 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3171 get_attr_list(mem_ctx, groupmap_attr_list),
3172 &msg);
3173 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3174
3175 if ((rc != LDAP_SUCCESS) ||
3176 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3177 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3178 result = NT_STATUS_NO_SUCH_GROUP;
3179 goto done;
3180 }
3181
3182 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3183
3184 if (dn == NULL) {
3185 result = NT_STATUS_NO_MEMORY;
3186 goto done;
3187 }
3188
3189 mods = NULL;
3190 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3191 map->nt_name);
3192 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3193 map->comment);
3194 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3195
3196 if (mods == NULL) {
3197 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3198 "nothing to do\n"));
3199 result = NT_STATUS_OK;
3200 goto done;
3201 }
3202
3203 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3204
3205 if (rc != LDAP_SUCCESS) {
3206 result = NT_STATUS_ACCESS_DENIED;
3207 goto done;
3208 }
3209
3210 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3211 "group %lu in LDAP\n", (unsigned long)map->gid));
3212
3213 result = NT_STATUS_OK;
3214
3215 done:
3216 TALLOC_FREE(mem_ctx);
3217 return result;
3218 }
3219
3220 /**********************************************************************
3221 *********************************************************************/
3222
3223 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3224 struct dom_sid sid)
3225 {
3226 struct ldapsam_privates *priv =
3227 (struct ldapsam_privates *)methods->private_data;
3228 LDAPMessage *msg, *entry;
3229 int rc;
3230 NTSTATUS result;
3231 TALLOC_CTX *mem_ctx;
3232 char *filter;
3233
3234 mem_ctx = talloc_new(NULL);
3235 if (mem_ctx == NULL) {
3236 DEBUG(0, ("talloc_new failed\n"));
3237 return NT_STATUS_NO_MEMORY;
3238 }
3239
3240 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3241 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3242 sid_string_talloc(mem_ctx, &sid));
3243 if (filter == NULL) {
3244 result = NT_STATUS_NO_MEMORY;
3245 goto done;
3246 }
3247 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3248 get_attr_list(mem_ctx, groupmap_attr_list),
3249 &msg);
3250 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3251
3252 if ((rc != LDAP_SUCCESS) ||
3253 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3254 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3255 result = NT_STATUS_NO_SUCH_GROUP;
3256 goto done;
3257 }
3258
3259 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3260 get_attr_list(mem_ctx,
3261 groupmap_attr_list_to_delete));
3262
3263 if ((rc == LDAP_NAMING_VIOLATION) ||
3264 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3265 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3266 const char *attrs[] = { "sambaGroupType", "description",
3267 "displayName", "sambaSIDList",
3268 NULL };
3269
3270 /* Second try. Don't delete the sambaSID attribute, this is
3271 for "old" entries that are tacked on a winbind
3272 sambaIdmapEntry. */
3273
3274 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3275 LDAP_OBJ_GROUPMAP, attrs);
3276 }
3277
3278 if ((rc == LDAP_NAMING_VIOLATION) ||
3279 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3280 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3281 const char *attrs[] = { "sambaGroupType", "description",
3282 "displayName", "sambaSIDList",
3283 "gidNumber", NULL };
3284
3285 /* Third try. This is a post-3.0.21 alias (containing only
3286 * sambaSidEntry and sambaGroupMapping classes), we also have
3287 * to delete the gidNumber attribute, only the sambaSidEntry
3288 * remains */
3289
3290 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3291 LDAP_OBJ_GROUPMAP, attrs);
3292 }
3293
3294 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3295
3296 done:
3297 TALLOC_FREE(mem_ctx);
3298 return result;
3299 }
3300
3301 /**********************************************************************
3302 *********************************************************************/
3303
3304 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3305 bool update)
3306 {
3307 struct ldapsam_privates *ldap_state =
3308 (struct ldapsam_privates *)my_methods->private_data;
3309 char *filter = NULL;
3310 int rc;
3311 const char **attr_list;
3312
3313 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3314 if (!filter) {
3315 return NT_STATUS_NO_MEMORY;
3316 }
3317 attr_list = get_attr_list( NULL, groupmap_attr_list );
3318 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3319 LDAP_SCOPE_SUBTREE, filter,
3320 attr_list, 0, &ldap_state->result);
3321 TALLOC_FREE(attr_list);
3322
3323 if (rc != LDAP_SUCCESS) {
3324 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3325 ldap_err2string(rc)));
3326 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3327 lp_ldap_suffix(talloc_tos()), filter));
3328 ldap_msgfree(ldap_state->result);
3329 ldap_state->result = NULL;
3330 TALLOC_FREE(filter);
3331 return NT_STATUS_UNSUCCESSFUL;
3332 }
3333
3334 TALLOC_FREE(filter);
3335
3336 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3337 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3338 ldap_state->result)));
3339
3340 ldap_state->entry =
3341 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3342 ldap_state->result);
3343 ldap_state->index = 0;
3344
3345 return NT_STATUS_OK;
3346 }
3347
3348 /**********************************************************************
3349 *********************************************************************/
3350
3351 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3352 {
3353 ldapsam_endsampwent(my_methods);
3354 }
3355
3356 /**********************************************************************
3357 *********************************************************************/
3358
3359 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3360 GROUP_MAP *map)
3361 {
3362 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3363 struct ldapsam_privates *ldap_state =
3364 (struct ldapsam_privates *)my_methods->private_data;
3365 bool bret = False;
3366
3367 while (!bret) {
3368 if (!ldap_state->entry)
3369 return ret;
3370
3371 ldap_state->index++;
3372 bret = init_group_from_ldap(ldap_state, map,
3373 ldap_state->entry);
3374
3375 ldap_state->entry =
3376 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3377 ldap_state->entry);
3378 }
3379
3380 return NT_STATUS_OK;
3381 }
3382
3383 /**********************************************************************
3384 *********************************************************************/
3385
3386 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3387 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3388 GROUP_MAP ***pp_rmap,
3389 size_t *p_num_entries,
3390 bool unix_only)
3391 {
3392 GROUP_MAP *map = NULL;
3393 size_t entries = 0;
3394
3395 *p_num_entries = 0;
3396 *pp_rmap = NULL;
3397
3398 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3399 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3400 "passdb\n"));
3401 return NT_STATUS_ACCESS_DENIED;
3402 }
3403
3404 while (true) {
3405
3406 map = talloc_zero(NULL, GROUP_MAP);
3407 if (!map) {
3408 return NT_STATUS_NO_MEMORY;
3409 }
3410
3411 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3412 TALLOC_FREE(map);
3413 break;
3414 }
3415
3416 if (sid_name_use != SID_NAME_UNKNOWN &&
3417 sid_name_use != map->sid_name_use) {
3418 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3419 "not of the requested type\n",
3420 map->nt_name));
3421 continue;
3422 }
3423 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3424 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3425 "non mapped\n", map->nt_name));
3426 continue;
3427 }
3428
3429 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3430 GROUP_MAP *, entries + 1);
3431 if (!(*pp_rmap)) {
3432 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3433 "enlarge group map!\n"));
3434 return NT_STATUS_UNSUCCESSFUL;
3435 }
3436
3437 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3438
3439 entries += 1;
3440 }
3441
3442 ldapsam_endsamgrent(methods);
3443
3444 *p_num_entries = entries;
3445
3446 return NT_STATUS_OK;
3447 }
3448
3449 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3450 const struct dom_sid *alias,
3451 const struct dom_sid *member,
3452 int modop)
3453 {
3454 struct ldapsam_privates *ldap_state =
3455 (struct ldapsam_privates *)methods->private_data;
3456 char *dn = NULL;
3457 LDAPMessage *result = NULL;
3458 LDAPMessage *entry = NULL;
3459 int count;
3460 LDAPMod **mods = NULL;
3461 int rc;
3462 enum lsa_SidType type = SID_NAME_USE_NONE;
3463 fstring tmp;
3464
3465 char *filter = NULL;
3466
3467 if (sid_check_is_in_builtin(alias)) {
3468 type = SID_NAME_ALIAS;
3469 }
3470
3471 if (sid_check_is_in_our_sam(alias)) {
3472 type = SID_NAME_ALIAS;
3473 }
3474
3475 if (type == SID_NAME_USE_NONE) {
3476 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3477 sid_string_dbg(alias)));
3478 return NT_STATUS_NO_SUCH_ALIAS;
3479 }
3480
3481 if (asprintf(&filter,
3482 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3483 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3484 type) < 0) {
3485 return NT_STATUS_NO_MEMORY;
3486 }
3487
3488 if (ldapsam_search_one_group(ldap_state, filter,
3489 &result) != LDAP_SUCCESS) {
3490 SAFE_FREE(filter);
3491 return NT_STATUS_NO_SUCH_ALIAS;
3492 }
3493
3494 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3495 result);
3496
3497 if (count < 1) {
3498 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3499 ldap_msgfree(result);
3500 SAFE_FREE(filter);
3501 return NT_STATUS_NO_SUCH_ALIAS;
3502 }
3503
3504 if (count > 1) {
3505 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3506 "filter %s: count=%d\n", filter, count));
3507 ldap_msgfree(result);
3508 SAFE_FREE(filter);
3509 return NT_STATUS_NO_SUCH_ALIAS;
3510 }
3511
3512 SAFE_FREE(filter);
3513
3514 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3515 result);
3516
3517 if (!entry) {
3518 ldap_msgfree(result);
3519 return NT_STATUS_UNSUCCESSFUL;
3520 }
3521
3522 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3523 if (!dn) {
3524 ldap_msgfree(result);
3525 return NT_STATUS_UNSUCCESSFUL;
3526 }
3527
3528 smbldap_set_mod(&mods, modop,
3529 get_attr_key2string(groupmap_attr_list,
3530 LDAP_ATTR_SID_LIST),
3531 sid_to_fstring(tmp, member));
3532
3533 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3534
3535 ldap_mods_free(mods, True);
3536 ldap_msgfree(result);
3537 TALLOC_FREE(dn);
3538
3539 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3540 return NT_STATUS_MEMBER_IN_ALIAS;
3541 }
3542
3543 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3544 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3545 }
3546
3547 if (rc != LDAP_SUCCESS) {
3548 return NT_STATUS_UNSUCCESSFUL;
3549 }
3550
3551 return NT_STATUS_OK;
3552 }
3553
3554 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3555 const struct dom_sid *alias,
3556 const struct dom_sid *member)
3557 {
3558 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3559 }
3560
3561 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3562 const struct dom_sid *alias,
3563 const struct dom_sid *member)
3564 {
3565 return ldapsam_modify_aliasmem(methods, alias, member,
3566 LDAP_MOD_DELETE);
3567 }
3568
3569 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3570 const struct dom_sid *alias,
3571 TALLOC_CTX *mem_ctx,
3572 struct dom_sid **pp_members,
3573 size_t *p_num_members)
3574 {
3575 struct ldapsam_privates *ldap_state =
3576 (struct ldapsam_privates *)methods->private_data;
3577 LDAPMessage *result = NULL;
3578 LDAPMessage *entry = NULL;
3579 int count;
3580 char **values = NULL;
3581 int i;
3582 char *filter = NULL;
3583 uint32_t num_members = 0;
3584 enum lsa_SidType type = SID_NAME_USE_NONE;
3585 fstring tmp;
3586
3587 *pp_members = NULL;
3588 *p_num_members = 0;
3589
3590 if (sid_check_is_in_builtin(alias)) {
3591 type = SID_NAME_ALIAS;
3592 }
3593
3594 if (sid_check_is_in_our_sam(alias)) {
3595 type = SID_NAME_ALIAS;
3596 }
3597
3598 if (type == SID_NAME_USE_NONE) {
3599 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3600 sid_string_dbg(alias)));
3601 return NT_STATUS_NO_SUCH_ALIAS;
3602 }
3603
3604 if (asprintf(&filter,
3605 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3606 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3607 type) < 0) {
3608 return NT_STATUS_NO_MEMORY;
3609 }
3610
3611 if (ldapsam_search_one_group(ldap_state, filter,
3612 &result) != LDAP_SUCCESS) {
3613 SAFE_FREE(filter);
3614 return NT_STATUS_NO_SUCH_ALIAS;
3615 }
3616
3617 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3618 result);
3619
3620 if (count < 1) {
3621 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3622 ldap_msgfree(result);
3623 SAFE_FREE(filter);
3624 return NT_STATUS_NO_SUCH_ALIAS;
3625 }
3626
3627 if (count > 1) {
3628 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3629 "filter %s: count=%d\n", filter, count));
3630 ldap_msgfree(result);
3631 SAFE_FREE(filter);
3632 return NT_STATUS_NO_SUCH_ALIAS;
3633 }
3634
3635 SAFE_FREE(filter);
3636
3637 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3638 result);
3639
3640 if (!entry) {
3641 ldap_msgfree(result);
3642 return NT_STATUS_UNSUCCESSFUL;
3643 }
3644
3645 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3646 entry,
3647 get_attr_key2string(groupmap_attr_list,
3648 LDAP_ATTR_SID_LIST));
3649
3650 if (values == NULL) {
3651 ldap_msgfree(result);
3652 return NT_STATUS_OK;
3653 }
3654
3655 count = ldap_count_values(values);
3656
3657 for (i=0; i<count; i++) {
3658 struct dom_sid member;
3659 NTSTATUS status;
3660
3661 if (!string_to_sid(&member, values[i]))
3662 continue;
3663
3664 status = add_sid_to_array(mem_ctx, &member, pp_members,
3665 &num_members);
3666 if (!NT_STATUS_IS_OK(status)) {
3667 ldap_value_free(values);
3668 ldap_msgfree(result);
3669 return status;
3670 }
3671 }
3672
3673 *p_num_members = num_members;
3674 ldap_value_free(values);
3675 ldap_msgfree(result);
3676
3677 return NT_STATUS_OK;
3678 }
3679
3680 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3681 TALLOC_CTX *mem_ctx,
3682 const struct dom_sid *domain_sid,
3683 const struct dom_sid *members,
3684 size_t num_members,
3685 uint32_t **pp_alias_rids,
3686 size_t *p_num_alias_rids)
3687 {
3688 struct ldapsam_privates *ldap_state =
3689 (struct ldapsam_privates *)methods->private_data;
3690 LDAP *ldap_struct;
3691
3692 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3693
3694 LDAPMessage *result = NULL;
3695 LDAPMessage *entry = NULL;
3696 int i;
3697 int rc;
3698 char *filter;
3699 enum lsa_SidType type = SID_NAME_USE_NONE;
3700 bool is_builtin = false;
3701 bool sid_added = false;
3702
3703 *pp_alias_rids = NULL;
3704 *p_num_alias_rids = 0;
3705
3706 if (sid_check_is_builtin(domain_sid)) {
3707 is_builtin = true;
3708 type = SID_NAME_ALIAS;
3709 }
3710
3711 if (sid_check_is_our_sam(domain_sid)) {
3712 type = SID_NAME_ALIAS;
3713 }
3714
3715 if (type == SID_NAME_USE_NONE) {
3716 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3717 sid_string_dbg(domain_sid)));
3718 return NT_STATUS_UNSUCCESSFUL;
3719 }
3720
3721 if (num_members == 0) {
3722 return NT_STATUS_OK;
3723 }
3724
3725 filter = talloc_asprintf(mem_ctx,
3726 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3727 LDAP_OBJ_GROUPMAP, type);
3728
3729 for (i=0; i<num_members; i++)
3730 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3731 filter,
3732 sid_string_talloc(mem_ctx,
3733 &members[i]));
3734
3735 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3736
3737 if (filter == NULL) {
3738 return NT_STATUS_NO_MEMORY;
3739 }
3740
3741 if (is_builtin &&
3742 ldap_state->search_cache.filter &&
3743 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3744 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3745 result = ldap_state->search_cache.result;
3746 ldap_state->search_cache.result = NULL;
3747 } else {
3748 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(talloc_tos()),
3749 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3750 if (rc != LDAP_SUCCESS) {
3751 return NT_STATUS_UNSUCCESSFUL;
3752 }
3753 smbldap_talloc_autofree_ldapmsg(filter, result);
3754 }
3755
3756 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3757
3758 for (entry = ldap_first_entry(ldap_struct, result);
3759 entry != NULL;
3760 entry = ldap_next_entry(ldap_struct, entry))
3761 {
3762 fstring sid_str;
3763 struct dom_sid sid;
3764 uint32_t rid;
3765
3766 if (!smbldap_get_single_attribute(ldap_struct, entry,
3767 LDAP_ATTRIBUTE_SID,
3768 sid_str,
3769 sizeof(sid_str)-1))
3770 continue;
3771
3772 if (!string_to_sid(&sid, sid_str))
3773 continue;
3774
3775 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3776 continue;
3777
3778 sid_added = true;
3779
3780 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3781 p_num_alias_rids)) {
3782 return NT_STATUS_NO_MEMORY;
3783 }
3784 }
3785
3786 if (!is_builtin && !sid_added) {
3787 TALLOC_FREE(ldap_state->search_cache.filter);
3788 /*
3789 * Note: result is a talloc child of filter because of the
3790 * smbldap_talloc_autofree_ldapmsg() usage
3791 */
3792 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3793 ldap_state->search_cache.result = result;
3794 }
3795
3796 return NT_STATUS_OK;
3797 }
3798
3799 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3800 enum pdb_policy_type type,
3801 uint32_t value)
3802 {
3803 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3804 int rc;
3805 LDAPMod **mods = NULL;
3806 fstring value_string;
3807 const char *policy_attr = NULL;
3808
3809 struct ldapsam_privates *ldap_state =
3810 (struct ldapsam_privates *)methods->private_data;
3811
3812 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3813
3814 if (!ldap_state->domain_dn) {
3815 return NT_STATUS_INVALID_PARAMETER;
3816 }
3817
3818 policy_attr = get_account_policy_attr(type);
3819 if (policy_attr == NULL) {
3820 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3821 "policy\n"));
3822 return ntstatus;
3823 }
3824
3825 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3826
3827 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3828
3829 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3830 mods);
3831
3832 ldap_mods_free(mods, True);
3833
3834 if (rc != LDAP_SUCCESS) {
3835 return ntstatus;
3836 }
3837
3838 if (!cache_account_policy_set(type, value)) {
3839 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3840 "update local tdb cache\n"));
3841 return ntstatus;
3842 }
3843
3844 return NT_STATUS_OK;
3845 }
3846
3847 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3848 enum pdb_policy_type type,
3849 uint32_t value)
3850 {
3851 return ldapsam_set_account_policy_in_ldap(methods, type,
3852 value);
3853 }
3854
3855 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3856 enum pdb_policy_type type,
3857 uint32_t *value)
3858 {
3859 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3860 LDAPMessage *result = NULL;
3861 LDAPMessage *entry = NULL;
3862 int count;
3863 int rc;
3864 char **vals = NULL;
3865 char *filter;
3866 const char *policy_attr = NULL;
3867
3868 struct ldapsam_privates *ldap_state =
3869 (struct ldapsam_privates *)methods->private_data;
3870
3871 const char *attrs[2];
3872
3873 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3874
3875 if (!ldap_state->domain_dn) {
3876 return NT_STATUS_INVALID_PARAMETER;
3877 }
3878
3879 policy_attr = get_account_policy_attr(type);
3880 if (!policy_attr) {
3881 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3882 "policy index: %d\n", type));
3883 return ntstatus;
3884 }
3885
3886 attrs[0] = policy_attr;
3887 attrs[1] = NULL;
3888
3889 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3890 if (filter == NULL) {
3891 return NT_STATUS_NO_MEMORY;
3892 }
3893 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3894 LDAP_SCOPE_BASE, filter, attrs, 0,
3895 &result);
3896 TALLOC_FREE(filter);
3897 if (rc != LDAP_SUCCESS) {
3898 return ntstatus;
3899 }
3900
3901 count = ldap_count_entries(priv2ld(ldap_state), result);
3902 if (count < 1) {
3903 goto out;
3904 }
3905
3906 entry = ldap_first_entry(priv2ld(ldap_state), result);
3907 if (entry == NULL) {
3908 goto out;
3909 }
3910
3911 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3912 if (vals == NULL) {
3913 goto out;
3914 }
3915
3916 *value = (uint32_t)atol(vals[0]);
3917
3918 ntstatus = NT_STATUS_OK;
3919
3920 out:
3921 if (vals)
3922 ldap_value_free(vals);
3923 ldap_msgfree(result);
3924
3925 return ntstatus;
3926 }
3927
3928 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3929
3930 - if user hasn't decided to use account policies inside LDAP just reuse the
3931 old tdb values
3932
3933 - if there is a valid cache entry, return that
3934 - if there is an LDAP entry, update cache and return
3935 - otherwise set to default, update cache and return
3936
3937 Guenther
3938 */
3939 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3940 enum pdb_policy_type type,
3941 uint32_t *value)
3942 {
3943 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3944
3945 if (cache_account_policy_get(type, value)) {
3946 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3947 "cache\n"));
3948 return NT_STATUS_OK;
3949 }
3950
3951 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
3952 value);
3953 if (NT_STATUS_IS_OK(ntstatus)) {
3954 goto update_cache;
3955 }
3956
3957 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3958 "ldap\n"));
3959
3960 #if 0
3961 /* should we automagically migrate old tdb value here ? */
3962 if (account_policy_get(type, value))
3963 goto update_ldap;
3964
3965 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3966 "default\n", type));
3967 #endif
3968
3969 if (!account_policy_get_default(type, value)) {
3970 return ntstatus;
3971 }
3972
3973 /* update_ldap: */
3974
3975 ntstatus = ldapsam_set_account_policy(methods, type, *value);
3976 if (!NT_STATUS_IS_OK(ntstatus)) {
3977 return ntstatus;
3978 }
3979
3980 update_cache:
3981
3982 if (!cache_account_policy_set(type, *value)) {
3983 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3984 "tdb as a cache\n"));
3985 return NT_STATUS_UNSUCCESSFUL;
3986 }
3987
3988 return NT_STATUS_OK;
3989 }
3990
3991 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3992 const struct dom_sid *domain_sid,
3993 int num_rids,
3994 uint32_t *rids,
3995 const char **names,
3996 enum lsa_SidType *attrs)
3997 {
3998 struct ldapsam_privates *ldap_state =
3999 (struct ldapsam_privates *)methods->private_data;
4000 LDAPMessage *msg = NULL;
4001 LDAPMessage *entry;
4002 char *allsids = NULL;
4003 int i, rc, num_mapped;
4004 NTSTATUS result = NT_STATUS_NO_MEMORY;
4005 TALLOC_CTX *mem_ctx;
4006 LDAP *ld;
4007 bool is_builtin;
4008
4009 mem_ctx = talloc_new(NULL);
4010 if (mem_ctx == NULL) {
4011 DEBUG(0, ("talloc_new failed\n"));
4012 goto done;
4013 }
4014
4015 if (!sid_check_is_builtin(domain_sid) &&
4016 !sid_check_is_our_sam(domain_sid)) {
4017 result = NT_STATUS_INVALID_PARAMETER;
4018 goto done;
4019 }
4020
4021 if (num_rids == 0) {
4022 result = NT_STATUS_NONE_MAPPED;
4023 goto done;
4024 }
4025
4026 for (i=0; i<num_rids; i++)
4027 attrs[i] = SID_NAME_UNKNOWN;
4028
4029 allsids = talloc_strdup(mem_ctx, "");
4030 if (allsids == NULL) {
4031 goto done;
4032 }
4033
4034 for (i=0; i<num_rids; i++) {
4035 struct dom_sid sid;
4036 sid_compose(&sid, domain_sid, rids[i]);
4037 allsids = talloc_asprintf_append_buffer(
4038 allsids, "(sambaSid=%s)",
4039 sid_string_talloc(mem_ctx, &sid));
4040 if (allsids == NULL) {
4041 goto done;
4042 }
4043 }
4044
4045 /* First look for users */
4046
4047 {
4048 char *filter;
4049 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4050
4051 filter = talloc_asprintf(
4052 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4053 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4054
4055 if (filter == NULL) {
4056 goto done;
4057 }
4058
4059 rc = smbldap_search(ldap_state->smbldap_state,
4060 lp_ldap_user_suffix(talloc_tos()),
4061 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4062 &msg);
4063 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4064 }
4065
4066 if (rc != LDAP_SUCCESS)
4067 goto done;
4068
4069 ld = ldap_state->smbldap_state->ldap_struct;
4070 num_mapped = 0;
4071
4072 for (entry = ldap_first_entry(ld, msg);
4073 entry != NULL;
4074 entry = ldap_next_entry(ld, entry)) {
4075 uint32_t rid;
4076 int rid_index;
4077 const char *name;
4078
4079 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4080 &rid)) {
4081 DEBUG(2, ("Could not find sid from ldap entry\n"));
4082 continue;
4083 }
4084
4085 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4086 names);
4087 if (name == NULL) {
4088 DEBUG(2, ("Could not retrieve uid attribute\n"));
4089 continue;
4090 }
4091
4092 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4093 if (rid == rids[rid_index])
4094 break;
4095 }
4096
4097 if (rid_index == num_rids) {
4098 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4099 continue;
4100 }
4101
4102 attrs[rid_index] = SID_NAME_USER;
4103 names[rid_index] = name;
4104 num_mapped += 1;
4105 }
4106
4107 if (num_mapped == num_rids) {
4108 /* No need to look for groups anymore -- we're done */
4109 result = NT_STATUS_OK;
4110 goto done;
4111 }
4112
4113 /* Same game for groups */
4114
4115 {
4116 char *filter;
4117 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4118 "sambaGroupType", NULL };
4119
4120 filter = talloc_asprintf(
4121 mem_ctx, "(&(objectClass=%s)(|%s))",
4122 LDAP_OBJ_GROUPMAP, allsids);
4123 if (filter == NULL) {
4124 goto done;
4125 }
4126
4127 rc = smbldap_search(ldap_state->smbldap_state,
4128 lp_ldap_suffix(talloc_tos()),
4129 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4130 &msg);
4131 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4132 }
4133
4134 if (rc != LDAP_SUCCESS)
4135 goto done;
4136
4137 /* ldap_struct might have changed due to a reconnect */
4138
4139 ld = ldap_state->smbldap_state->ldap_struct;
4140
4141 /* For consistency checks, we already checked we're only domain or builtin */
4142
4143 is_builtin = sid_check_is_builtin(domain_sid);
4144
4145 for (entry = ldap_first_entry(ld, msg);
4146 entry != NULL;
4147 entry = ldap_next_entry(ld, entry))
4148 {
4149 uint32_t rid;
4150 int rid_index;
4151 const char *attr;
4152 enum lsa_SidType type;
4153 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4154
4155 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4156 mem_ctx);
4157 if (attr == NULL) {
4158 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4159 dn));
4160 continue;
4161 }
4162
4163 type = (enum lsa_SidType)atol(attr);
4164
4165 /* Consistency checks */
4166 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4167 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4168 (type != SID_NAME_DOM_GRP)))) {
4169 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4170 }
4171
4172 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4173 &rid)) {
4174 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4175 continue;
4176 }
4177
4178 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4179
4180 if (attr == NULL) {
4181 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4182 dn));
4183 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4184 }
4185
4186 if (attr == NULL) {
4187 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4188 dn));
4189 continue;
4190 }
4191
4192 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4193 if (rid == rids[rid_index])
4194 break;
4195 }
4196
4197 if (rid_index == num_rids) {
4198 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4199 continue;
4200 }
4201
4202 attrs[rid_index] = type;
4203 names[rid_index] = attr;
4204 num_mapped += 1;
4205 }
4206
4207 result = NT_STATUS_NONE_MAPPED;
4208
4209 if (num_mapped > 0)
4210 result = (num_mapped == num_rids) ?
4211 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4212 done:
4213 TALLOC_FREE(mem_ctx);
4214 return result;
4215 }
4216
4217 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4218 {
4219 char *filter = NULL;
4220 char *escaped = NULL;
4221 char *result = NULL;
4222
4223 if (asprintf(&filter, "(&%s(objectclass=%s))",
4224 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4225 goto done;
4226 }
4227
4228 escaped = escape_ldap_string(talloc_tos(), username);
4229 if (escaped == NULL) goto done;
4230
4231 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4232
4233 done:
4234 SAFE_FREE(filter);
4235 TALLOC_FREE(escaped);
4236
4237 return result;
4238 }
4239
4240 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4241 {
4242 int i, num = 0;
4243 va_list ap;
4244 const char **result;
4245
4246 va_start(ap, mem_ctx);
4247 while (va_arg(ap, const char *) != NULL)
4248 num += 1;
4249 va_end(ap);
4250
4251 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4252 return NULL;
4253 }
4254
4255 va_start(ap, mem_ctx);
4256 for (i=0; i<num; i++) {
4257 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4258 if (result[i] == NULL) {
4259 talloc_free(result);
4260 va_end(ap);
4261 return NULL;
4262 }
4263 }
4264 va_end(ap);
4265
4266 result[num] = NULL;
4267 return result;
4268 }
4269
4270 struct ldap_search_state {
4271 struct smbldap_state *connection;
4272
4273 uint32_t acct_flags;
4274 uint16_t group_type;
4275
4276 const char *base;
4277 int scope;
4278 const char *filter;
4279 const char **attrs;
4280 int attrsonly;
4281 void *pagedresults_cookie;
4282
4283 LDAPMessage *entries, *current_entry;
4284 bool (*ldap2displayentry)(struct ldap_search_state *state,
4285 TALLOC_CTX *mem_ctx,
4286 LDAP *ld, LDAPMessage *entry,
4287 struct samr_displayentry *result);
4288 };
4289
4290 static bool ldapsam_search_firstpage(struct pdb_search *search)
4291 {
4292 struct ldap_search_state *state =
4293 (struct ldap_search_state *)search->private_data;
4294 LDAP *ld;
4295 int rc = LDAP_OPERATIONS_ERROR;
4296
4297 state->entries = NULL;
4298
4299 if (state->connection->paged_results) {
4300 rc = smbldap_search_paged(state->connection, state->base,
4301 state->scope, state->filter,
4302 state->attrs, state->attrsonly,
4303 lp_ldap_page_size(), &state->entries,
4304 &state->pagedresults_cookie);
4305 }
4306
4307 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4308
4309 if (state->entries != NULL) {
4310 /* Left over from unsuccessful paged attempt */
4311 ldap_msgfree(state->entries);
4312 state->entries = NULL;
4313 }
4314
4315 rc = smbldap_search(state->connection, state->base,
4316 state->scope, state->filter, state->attrs,
4317 state->attrsonly, &state->entries);
4318
4319 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4320 return False;
4321
4322 /* Ok, the server was lying. It told us it could do paged
4323 * searches when it could not. */
4324 state->connection->paged_results = False;
4325 }
4326
4327 ld = state->connection->ldap_struct;
4328 if ( ld == NULL) {
4329 DEBUG(5, ("Don't have an LDAP connection right after a "
4330 "search\n"));
4331 return False;
4332 }
4333 state->current_entry = ldap_first_entry(ld, state->entries);
4334
4335 return True;
4336 }
4337
4338 static bool ldapsam_search_nextpage(struct pdb_search *search)
4339 {
4340 struct ldap_search_state *state =
4341 (struct ldap_search_state *)search->private_data;
4342 int rc;
4343
4344 if (!state->connection->paged_results) {
4345 /* There is no next page when there are no paged results */
4346 return False;
4347 }
4348
4349 rc = smbldap_search_paged(state->connection, state->base,
4350 state->scope, state->filter, state->attrs,
4351 state->attrsonly, lp_ldap_page_size(),
4352 &state->entries,
4353 &state->pagedresults_cookie);
4354
4355 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4356 return False;
4357
4358 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4359
4360 if (state->current_entry == NULL) {
4361 ldap_msgfree(state->entries);
4362 state->entries = NULL;
4363 return false;
4364 }
4365
4366 return True;
4367 }
4368
4369 static bool ldapsam_search_next_entry(struct pdb_search *search,
4370 struct samr_displayentry *entry)
4371 {
4372 struct ldap_search_state *state =
4373 (struct ldap_search_state *)search->private_data;
4374 bool result;
4375
4376 retry:
4377 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4378 return False;
4379
4380 if ((state->entries == NULL) &&
4381 !ldapsam_search_nextpage(search))
4382 return False;
4383
4384 if (state->current_entry == NULL) {
4385 return false;
4386 }
4387
4388 result = state->ldap2displayentry(state, search,
4389 state->connection->ldap_struct,
4390 state->current_entry, entry);
4391
4392 if (!result) {
4393 char *dn;
4394 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4395 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4396 if (dn != NULL) ldap_memfree(dn);
4397 }
4398
4399 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4400
4401 if (state->current_entry == NULL) {
4402 ldap_msgfree(state->entries);
4403 state->entries = NULL;
4404 }
4405
4406 if (!result) goto retry;
4407
4408 return True;
4409 }
4410
4411 static void ldapsam_search_end(struct pdb_search *search)
4412 {
4413 struct ldap_search_state *state =
4414 (struct ldap_search_state *)search->private_data;
4415 int rc;
4416
4417 if (state->pagedresults_cookie == NULL)
4418 return;
4419
4420 if (state->entries != NULL)
4421 ldap_msgfree(state->entries);
4422
4423 state->entries = NULL;
4424 state->current_entry = NULL;
4425
4426 if (!state->connection->paged_results)
4427 return;
4428
4429 /* Tell the LDAP server we're not interested in the rest anymore. */
4430
4431 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4432 state->filter, state->attrs,
4433 state->attrsonly, 0, &state->entries,
4434 &state->pagedresults_cookie);
4435
4436 if (rc != LDAP_SUCCESS)
4437 DEBUG(5, ("Could not end search properly\n"));
4438
4439 return;
4440 }
4441
4442 static bool ldapuser2displayentry(struct ldap_search_state *state,
4443 TALLOC_CTX *mem_ctx,
4444 LDAP *ld, LDAPMessage *entry,
4445 struct samr_displayentry *result)
4446 {
4447 char **vals;
4448 size_t converted_size;
4449 struct dom_sid sid;
4450 uint32_t acct_flags;
4451
4452 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4453 if ((vals == NULL) || (vals[0] == NULL)) {
4454 acct_flags = ACB_NORMAL;
4455 } else {
4456 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4457 ldap_value_free(vals);
4458 }
4459
4460 if ((state->acct_flags != 0) &&
4461 ((state->acct_flags & acct_flags) == 0))
4462 return False;
4463
4464 result->acct_flags = acct_flags;
4465 result->account_name = "";
4466 result->fullname = "";
4467 result->description = "";
4468
4469 vals = ldap_get_values(ld, entry, "uid");
4470 if ((vals == NULL) || (vals[0] == NULL)) {
4471 DEBUG(5, ("\"uid\" not found\n"));
4472 return False;
4473 }
4474 if (!pull_utf8_talloc(mem_ctx,
4475 discard_const_p(char *, &result->account_name),
4476 vals[0], &converted_size))
4477 {
4478 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4479 strerror(errno)));
4480 }
4481
4482 ldap_value_free(vals);
4483
4484 vals = ldap_get_values(ld, entry, "displayName");
4485 if ((vals == NULL) || (vals[0] == NULL))
4486 DEBUG(8, ("\"displayName\" not found\n"));
4487 else if (!pull_utf8_talloc(mem_ctx,
4488 discard_const_p(char *, &result->fullname),
4489 vals[0], &converted_size))
4490 {
4491 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4492 strerror(errno)));
4493 }
4494
4495 ldap_value_free(vals);
4496
4497 vals = ldap_get_values(ld, entry, "description");
4498 if ((vals == NULL) || (vals[0] == NULL))
4499 DEBUG(8, ("\"description\" not found\n"));
4500 else if (!pull_utf8_talloc(mem_ctx,
4501 discard_const_p(char *, &result->description),
4502 vals[0], &converted_size))
4503 {
4504 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4505 strerror(errno)));
4506 }
4507
4508 ldap_value_free(vals);
4509
4510 if ((result->account_name == NULL) ||
4511 (result->fullname == NULL) ||
4512 (result->description == NULL)) {
4513 DEBUG(0, ("talloc failed\n"));
4514 return False;
4515 }
4516
4517 vals = ldap_get_values(ld, entry, "sambaSid");
4518 if ((vals == NULL) || (vals[0] == NULL)) {
4519 DEBUG(0, ("\"objectSid\" not found\n"));
4520 return False;
4521 }
4522
4523 if (!string_to_sid(&sid, vals[0])) {
4524 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4525 ldap_value_free(vals);
4526 return False;
4527 }
4528 ldap_value_free(vals);
4529
4530 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4531 DEBUG(0, ("sid %s does not belong to our domain\n",
4532 sid_string_dbg(&sid)));
4533 return False;
4534 }
4535
4536 return True;
4537 }
4538
4539
4540 static bool ldapsam_search_users(struct pdb_methods *methods,
4541 struct pdb_search *search,
4542 uint32_t acct_flags)
4543 {
4544 struct ldapsam_privates *ldap_state =
4545 (struct ldapsam_privates *)methods->private_data;
4546 struct ldap_search_state *state;
4547
4548 state = talloc(search, struct ldap_search_state);
4549 if (state == NULL) {
4550 DEBUG(0, ("talloc failed\n"));
4551 return False;
4552 }
4553
4554 state->connection = ldap_state->smbldap_state;
4555
4556 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4557 state->base = lp_ldap_user_suffix(talloc_tos());
4558 else if ((acct_flags != 0) &&
4559 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4560 state->base = lp_ldap_machine_suffix(talloc_tos());
4561 else
4562 state->base = lp_ldap_suffix(talloc_tos());
4563
4564 state->acct_flags = acct_flags;
4565 state->base = talloc_strdup(search, state->base);
4566 state->scope = LDAP_SCOPE_SUBTREE;
4567 state->filter = get_ldap_filter(search, "*");
4568 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4569 "displayName", "description",
4570 "sambaAcctFlags", NULL);
4571 state->attrsonly = 0;
4572 state->pagedresults_cookie = NULL;
4573 state->entries = NULL;
4574 state->ldap2displayentry = ldapuser2displayentry;
4575
4576 if ((state->filter == NULL) || (state->attrs == NULL)) {
4577 DEBUG(0, ("talloc failed\n"));
4578 return False;
4579 }
4580
4581 search->private_data = state;
4582 search->next_entry = ldapsam_search_next_entry;
4583 search->search_end = ldapsam_search_end;
4584
4585 return ldapsam_search_firstpage(search);
4586 }
4587
4588 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4589 TALLOC_CTX *mem_ctx,
4590 LDAP *ld, LDAPMessage *entry,
4591 struct samr_displayentry *result)
4592 {
4593 char **vals;
4594 size_t converted_size;
4595 struct dom_sid sid;
4596 uint16_t group_type;
4597
4598 result->account_name = "";
4599 result->fullname = "";
4600 result->description = "";
4601
4602
4603 vals = ldap_get_values(ld, entry, "sambaGroupType");
4604 if ((vals == NULL) || (vals[0] == NULL)) {
4605 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4606 if (vals != NULL) {
4607 ldap_value_free(vals);
4608 }
4609 return False;
4610 }
4611
4612 group_type = atoi(vals[0]);
4613
4614 if ((state->group_type != 0) &&
4615 ((state->group_type != group_type))) {
4616 ldap_value_free(vals);
4617 return False;
4618 }
4619
4620 ldap_value_free(vals);
4621
4622 /* display name is the NT group name */
4623
4624 vals = ldap_get_values(ld, entry, "displayName");
4625 if ((vals == NULL) || (vals[0] == NULL)) {
4626 DEBUG(8, ("\"displayName\" not found\n"));
4627
4628 /* fallback to the 'cn' attribute */
4629 vals = ldap_get_values(ld, entry, "cn");
4630 if ((vals == NULL) || (vals[0] == NULL)) {
4631 DEBUG(5, ("\"cn\" not found\n"));
4632 return False;
4633 }
4634 if (!pull_utf8_talloc(mem_ctx,
4635 discard_const_p(char *,
4636 &result->account_name),
4637 vals[0], &converted_size))
4638 {
4639 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4640 "failed: %s", strerror(errno)));
4641 }
4642 }
4643 else if (!pull_utf8_talloc(mem_ctx,
4644 discard_const_p(char *,
4645 &result->account_name),
4646 vals[0], &converted_size))
4647 {
4648 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4649 strerror(errno)));
4650 }
4651
4652 ldap_value_free(vals);
4653
4654 vals = ldap_get_values(ld, entry, "description");
4655 if ((vals == NULL) || (vals[0] == NULL))
4656 DEBUG(8, ("\"description\" not found\n"));
4657 else if (!pull_utf8_talloc(mem_ctx,
4658 discard_const_p(char *, &result->description),
4659 vals[0], &converted_size))
4660 {
4661 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4662 strerror(errno)));
4663 }
4664 ldap_value_free(vals);
4665
4666 if ((result->account_name == NULL) ||
4667 (result->fullname == NULL) ||
4668 (result->description == NULL)) {
4669 DEBUG(0, ("talloc failed\n"));
4670 return False;
4671 }
4672
4673 vals = ldap_get_values(ld, entry, "sambaSid");
4674 if ((vals == NULL) || (vals[0] == NULL)) {
4675 DEBUG(0, ("\"objectSid\" not found\n"));
4676 if (vals != NULL) {
4677 ldap_value_free(vals);
4678 }
4679 return False;
4680 }
4681
4682 if (!string_to_sid(&sid, vals[0])) {
4683 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4684 return False;
4685 }
4686
4687 ldap_value_free(vals);
4688
4689 switch (group_type) {
4690 case SID_NAME_DOM_GRP:
4691 case SID_NAME_ALIAS:
4692
4693 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4694 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4695 {
4696 DEBUG(0, ("%s is not in our domain\n",
4697 sid_string_dbg(&sid)));
4698 return False;
4699 }
4700 break;
4701
4702 default:
4703 DEBUG(0,("unknown group type: %d\n", group_type));
4704 return False;
4705 }
4706
4707 result->acct_flags = 0;
4708
4709 return True;
4710 }
4711
4712 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4713 struct pdb_search *search,
4714 const struct dom_sid *sid,
4715 enum lsa_SidType type)
4716 {
4717 struct ldapsam_privates *ldap_state =
4718 (struct ldapsam_privates *)methods->private_data;
4719 struct ldap_search_state *state;
4720 fstring tmp;
4721
4722 state = talloc(search, struct ldap_search_state);
4723 if (state == NULL) {
4724 DEBUG(0, ("talloc failed\n"));
4725 return False;
4726 }
4727
4728 state->connection = ldap_state->smbldap_state;
4729
4730 state->base = lp_ldap_suffix(search);
4731 state->connection = ldap_state->smbldap_state;
4732 state->scope = LDAP_SCOPE_SUBTREE;
4733 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4734 "(sambaGroupType=%d)(sambaSID=%s*))",
4735 LDAP_OBJ_GROUPMAP,
4736 type, sid_to_fstring(tmp, sid));
4737 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4738 "displayName", "description",
4739 "sambaGroupType", NULL);
4740 state->attrsonly = 0;
4741 state->pagedresults_cookie = NULL;
4742 state->entries = NULL;
4743 state->group_type = type;
4744 state->ldap2displayentry = ldapgroup2displayentry;
4745
4746 if ((state->filter == NULL) || (state->attrs == NULL)) {
4747 DEBUG(0, ("talloc failed\n"));
4748 return False;
4749 }
4750
4751 search->private_data = state;
4752 search->next_entry = ldapsam_search_next_entry;
4753 search->search_end = ldapsam_search_end;
4754
4755 return ldapsam_search_firstpage(search);
4756 }
4757
4758 static bool ldapsam_search_groups(struct pdb_methods *methods,
4759 struct pdb_search *search)
4760 {
4761 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4762 }
4763
4764 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4765 struct pdb_search *search,
4766 const struct dom_sid *sid)
4767 {
4768 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4769 }
4770
4771 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4772 {
4773 return PDB_CAP_STORE_RIDS;
4774 }
4775
4776 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4777 uint32_t *rid)
4778 {
4779 struct smbldap_state *smbldap_state = priv->smbldap_state;
4780
4781 LDAPMessage *result = NULL;
4782 LDAPMessage *entry = NULL;
4783 LDAPMod **mods = NULL;
4784 NTSTATUS status;
4785 char *value;
4786 int rc;
4787 uint32_t nextRid = 0;
4788 const char *dn;
4789
4790 TALLOC_CTX *mem_ctx;
4791
4792 mem_ctx = talloc_new(NULL);
4793 if (mem_ctx == NULL) {
4794 DEBUG(0, ("talloc_new failed\n"));
4795 return NT_STATUS_NO_MEMORY;
4796 }
4797
4798 status = smbldap_search_domain_info(smbldap_state, &result,
4799 get_global_sam_name(), False);
4800 if (!NT_STATUS_IS_OK(status)) {
4801 DEBUG(3, ("Could not get domain info: %s\n",
4802 nt_errstr(status)));
4803 goto done;
4804 }
4805
4806 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4807
4808 entry = ldap_first_entry(priv2ld(priv), result);
4809 if (entry == NULL) {
4810 DEBUG(0, ("Could not get domain info entry\n"));
4811 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4812 goto done;
4813 }
4814
4815 /* Find the largest of the three attributes "sambaNextRid",
4816 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4817 concept of differentiating between user and group rids, and will
4818 use only "sambaNextRid" in the future. But for compatibility
4819 reasons I look if others have chosen different strategies -- VL */
4820
4821 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4822 "sambaNextRid", mem_ctx);
4823 if (value != NULL) {
4824 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4825 nextRid = MAX(nextRid, tmp);
4826 }
4827
4828 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4829 "sambaNextUserRid", mem_ctx);
4830 if (value != NULL) {
4831 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4832 nextRid = MAX(nextRid, tmp);
4833 }
4834
4835 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4836 "sambaNextGroupRid", mem_ctx);
4837 if (value != NULL) {
4838 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4839 nextRid = MAX(nextRid, tmp);
4840 }
4841
4842 if (nextRid == 0) {
4843 nextRid = BASE_RID-1;
4844 }
4845
4846 nextRid += 1;
4847
4848 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4849 talloc_asprintf(mem_ctx, "%d", nextRid));
4850 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
4851
4852 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4853 status = NT_STATUS_NO_MEMORY;
4854 goto done;
4855 }
4856
4857 rc = smbldap_modify(smbldap_state, dn, mods);
4858
4859 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4860 * please retry" */
4861
4862 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4863
4864 done:
4865 if (NT_STATUS_IS_OK(status)) {
4866 *rid = nextRid;
4867 }
4868
4869 TALLOC_FREE(mem_ctx);
4870 return status;
4871 }
4872
4873 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4874 {
4875 int i;
4876
4877 for (i=0; i<10; i++) {
4878 NTSTATUS result = ldapsam_get_new_rid(
4879 (struct ldapsam_privates *)methods->private_data, rid);
4880 if (NT_STATUS_IS_OK(result)) {
4881 return result;
4882 }
4883
4884 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4885 return result;
4886 }
4887
4888 /* The ldap update failed (maybe a race condition), retry */
4889 }
4890
4891 /* Tried 10 times, fail. */
4892 return NT_STATUS_ACCESS_DENIED;
4893 }
4894
4895 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4896 {
4897 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4898 return NT_STATUS_IS_OK(result) ? True : False;
4899 }
4900
4901 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4902 const struct dom_sid *sid,
4903 struct unixid *id)
4904 {
4905 struct ldapsam_privates *priv =
4906 (struct ldapsam_privates *)methods->private_data;
4907 char *filter;
4908 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4909 NULL };
4910 LDAPMessage *result = NULL;
4911 LDAPMessage *entry = NULL;
4912 bool ret = False;
4913 char *value;
4914 int rc;
4915
4916 TALLOC_CTX *mem_ctx;
4917
4918 ret = pdb_sid_to_id_unix_users_and_groups(sid, id);
4919 if (ret == true) {
4920 return true;
4921 }
4922
4923 mem_ctx = talloc_new(NULL);
4924 if (mem_ctx == NULL) {
4925 DEBUG(0, ("talloc_new failed\n"));
4926 return False;
4927 }
4928
4929 filter = talloc_asprintf(mem_ctx,
4930 "(&(sambaSid=%s)"
4931 "(|(objectClass=%s)(objectClass=%s)))",
4932 sid_string_talloc(mem_ctx, sid),
4933 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4934 if (filter == NULL) {
4935 DEBUG(5, ("talloc_asprintf failed\n"));
4936 goto done;
4937 }
4938
4939 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4940 attrs, &result);
4941 if (rc != LDAP_SUCCESS) {
4942 goto done;
4943 }
4944 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4945
4946 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4947 DEBUG(10, ("Got %d entries, expected one\n",
4948 ldap_count_entries(priv2ld(priv), result)));
4949 goto done;
4950 }
4951
4952 entry = ldap_first_entry(priv2ld(priv), result);
4953
4954 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4955 "sambaGroupType", mem_ctx);
4956
4957 if (value != NULL) {
4958 const char *gid_str;
4959 /* It's a group */
4960
4961 gid_str = smbldap_talloc_single_attribute(
4962 priv2ld(priv), entry, "gidNumber", mem_ctx);
4963 if (gid_str == NULL) {
4964 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4965 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4966 entry)));
4967 goto done;
4968 }
4969
4970 id->id = strtoul(gid_str, NULL, 10);
4971 id->type = ID_TYPE_GID;
4972 ret = True;
4973 goto done;
4974 }
4975
4976 /* It must be a user */
4977
4978 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4979 "uidNumber", mem_ctx);
4980 if (value == NULL) {
4981 DEBUG(1, ("Could not find uidNumber in %s\n",
4982 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4983 goto done;
4984 }
4985
4986 id->id = strtoul(value, NULL, 10);
4987 id->type = ID_TYPE_UID;
4988
4989 ret = True;
4990 done:
4991 TALLOC_FREE(mem_ctx);
4992 return ret;
4993 }
4994
4995 /**
4996 * Find the SID for a uid.
4997 * This is shortcut is only used if ldapsam:trusted is set to true.
4998 */
4999 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5000 struct dom_sid *sid)
5001 {
5002 struct ldapsam_privates *priv =
5003 (struct ldapsam_privates *)methods->private_data;
5004 char *filter;
5005 const char *attrs[] = { "sambaSID", NULL };
5006 LDAPMessage *result = NULL;
5007 LDAPMessage *entry = NULL;
5008 bool ret = false;
5009 char *user_sid_string;
5010 struct dom_sid user_sid;
5011 int rc;
5012 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5013
5014 filter = talloc_asprintf(tmp_ctx,
5015 "(&(uidNumber=%u)"
5016 "(objectClass=%s)"
5017 "(objectClass=%s))",
5018 (unsigned int)uid,
5019 LDAP_OBJ_POSIXACCOUNT,
5020 LDAP_OBJ_SAMBASAMACCOUNT);
5021 if (filter == NULL) {
5022 DEBUG(3, ("talloc_asprintf failed\n"));
5023 goto done;
5024 }
5025
5026 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5027 if (rc != LDAP_SUCCESS) {
5028 goto done;
5029 }
5030 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5031
5032 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5033 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5034 ldap_count_entries(priv2ld(priv), result),
5035 (unsigned int)uid));
5036 goto done;
5037 }
5038
5039 entry = ldap_first_entry(priv2ld(priv), result);
5040
5041 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5042 "sambaSID", tmp_ctx);
5043 if (user_sid_string == NULL) {
5044 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5045 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5046 goto done;
5047 }
5048
5049 if (!string_to_sid(&user_sid, user_sid_string)) {
5050 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5051 user_sid_string));
5052 goto done;
5053 }
5054
5055 sid_copy(sid, &user_sid);
5056
5057 ret = true;
5058
5059 done:
5060 TALLOC_FREE(tmp_ctx);
5061 return ret;
5062 }
5063
5064 /**
5065 * Find the SID for a gid.
5066 * This is shortcut is only used if ldapsam:trusted is set to true.
5067 */
5068 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5069 struct dom_sid *sid)
5070 {
5071 struct ldapsam_privates *priv =
5072 (struct ldapsam_privates *)methods->private_data;
5073 char *filter;
5074 const char *attrs[] = { "sambaSID", NULL };
5075 LDAPMessage *result = NULL;
5076 LDAPMessage *entry = NULL;
5077 bool ret = false;
5078 char *group_sid_string;
5079 struct dom_sid group_sid;
5080 int rc;
5081 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5082
5083 filter = talloc_asprintf(tmp_ctx,
5084 "(&(gidNumber=%u)"
5085 "(objectClass=%s))",
5086 (unsigned int)gid,
5087 LDAP_OBJ_GROUPMAP);
5088 if (filter == NULL) {
5089 DEBUG(3, ("talloc_asprintf failed\n"));
5090 goto done;
5091 }
5092
5093 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5094 if (rc != LDAP_SUCCESS) {
5095 goto done;
5096 }
5097 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5098
5099 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5100 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5101 ldap_count_entries(priv2ld(priv), result),
5102 (unsigned int)gid));
5103 goto done;
5104 }
5105
5106 entry = ldap_first_entry(priv2ld(priv), result);
5107
5108 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5109 "sambaSID", tmp_ctx);
5110 if (group_sid_string == NULL) {
5111 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5112 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5113 goto done;
5114 }
5115
5116 if (!string_to_sid(&group_sid, group_sid_string)) {
5117 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5118 group_sid_string));
5119 goto done;
5120 }
5121
5122 sid_copy(sid, &group_sid);
5123
5124 ret = true;
5125
5126 done:
5127 TALLOC_FREE(tmp_ctx);
5128 return ret;
5129 }
5130
5131
5132 /*
5133 * The following functions are called only if
5134 * ldapsam:trusted and ldapsam:editposix are
5135 * set to true
5136 */
5137
5138 /*
5139 * ldapsam_create_user creates a new
5140 * posixAccount and sambaSamAccount object
5141 * in the ldap users subtree
5142 *
5143 * The uid is allocated by winbindd.
5144 */
5145
5146 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5147 TALLOC_CTX *tmp_ctx, const char *name,
5148 uint32_t acb_info, uint32_t *rid)
5149 {
5150 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5151 LDAPMessage *entry = NULL;
5152 LDAPMessage *result = NULL;
5153 uint32_t num_result;
5154 bool is_machine = False;
5155 bool add_posix = False;
5156 bool init_okay = False;
5157 LDAPMod **mods = NULL;
5158 struct samu *user;
5159 char *filter;
5160 char *username;
5161 char *homedir;
5162 char *gidstr;
5163 char *uidstr;
5164 char *shell;
5165 const char *dn = NULL;
5166 struct dom_sid group_sid;
5167 struct dom_sid user_sid;
5168 gid_t gid = -1;
5169 uid_t uid = -1;
5170 NTSTATUS ret;
5171 int rc;
5172
5173 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5174 acb_info & ACB_WSTRUST ||
5175 acb_info & ACB_SVRTRUST ||
5176 acb_info & ACB_DOMTRUST) {
5177 is_machine = True;
5178 }
5179
5180 username = escape_ldap_string(talloc_tos(), name);
5181 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5182 username, LDAP_OBJ_POSIXACCOUNT);
5183 TALLOC_FREE(username);
5184
5185 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5186 if (rc != LDAP_SUCCESS) {
5187 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5188 return NT_STATUS_ACCESS_DENIED;
5189 }
5190 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5191
5192 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5193
5194 if (num_result > 1) {
5195 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5196 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5197 }
5198
5199 if (num_result == 1) {
5200 char *tmp;
5201 /* check if it is just a posix account.
5202 * or if there is a sid attached to this entry
5203 */
5204
5205 entry = ldap_first_entry(priv2ld(ldap_state), result);
5206 if (!entry) {
5207 return NT_STATUS_UNSUCCESSFUL;
5208 }
5209
5210 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5211 if (tmp) {
5212 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5213 return NT_STATUS_USER_EXISTS;
5214 }
5215
5216 /* it is just a posix account, retrieve the dn for later use */
5217 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5218 if (!dn) {
5219 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5220 return NT_STATUS_NO_MEMORY;
5221 }
5222 }
5223
5224 if (num_result == 0) {
5225 add_posix = True;
5226 }
5227
5228 /* Create the basic samu structure and generate the mods for the ldap commit */
5229 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5230 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5231 return ret;
5232 }
5233
5234 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5235
5236 user = samu_new(tmp_ctx);
5237 if (!user) {
5238 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5239 return NT_STATUS_NO_MEMORY;
5240 }
5241
5242 if (!pdb_set_username(user, name, PDB_SET)) {
5243 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5244 return NT_STATUS_UNSUCCESSFUL;
5245 }
5246 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5247 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5248 return NT_STATUS_UNSUCCESSFUL;
5249 }
5250 if (is_machine) {
5251 if (acb_info & ACB_NORMAL) {
5252 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5253 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5254 return NT_STATUS_UNSUCCESSFUL;
5255 }
5256 } else {
5257 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5258 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5259 return NT_STATUS_UNSUCCESSFUL;
5260 }
5261 }
5262 } else {
5263 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5264 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5265 return NT_STATUS_UNSUCCESSFUL;
5266 }
5267 }
5268
5269 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5270 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5271 return NT_STATUS_UNSUCCESSFUL;
5272 }
5273
5274 init_okay = init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed);
5275 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5276
5277 if (!init_okay) {
5278 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5279 return NT_STATUS_UNSUCCESSFUL;
5280 }
5281
5282 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5283 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5284 }
5285 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5286
5287 if (add_posix) {
5288 char *escape_name;
5289
5290 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5291
5292 /* retrieve the Domain Users group gid */
5293 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5294 !sid_to_gid(&group_sid, &gid)) {
5295 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5296 return NT_STATUS_INVALID_PRIMARY_GROUP;
5297 }
5298
5299 /* lets allocate a new userid for this user */
5300 if (!winbind_allocate_uid(&uid)) {
5301 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5302 return NT_STATUS_UNSUCCESSFUL;
5303 }
5304
5305
5306 if (is_machine) {
5307 /* TODO: choose a more appropriate default for machines */
5308 homedir = talloc_sub_specified(tmp_ctx,
5309 lp_template_homedir(),
5310 "SMB_workstations_home",
5311 NULL,
5312 ldap_state->domain_name,
5313 uid,
5314 gid);
5315 shell = talloc_strdup(tmp_ctx, "/bin/false");
5316 } else {
5317 homedir = talloc_sub_specified(tmp_ctx,
5318 lp_template_homedir(),
5319 name,
5320 NULL,
5321 ldap_state->domain_name,
5322 uid,
5323 gid);
5324 shell = talloc_sub_specified(tmp_ctx,
5325 lp_template_shell(),
5326 name,
5327 NULL,
5328 ldap_state->domain_name,
5329 uid,
5330 gid);
5331 }
5332 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5333 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5334
5335 escape_name = escape_rdn_val_string_alloc(name);
5336 if (!escape_name) {
5337 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5338 return NT_STATUS_NO_MEMORY;
5339 }
5340
5341 if (is_machine) {
5342 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5343 } else {
5344 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5345 }
5346
5347 SAFE_FREE(escape_name);
5348
5349 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5350 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5351 return NT_STATUS_NO_MEMORY;
5352 }
5353
5354 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5355 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5356 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5357 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5358 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5359 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5360 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5361 }
5362
5363 if (add_posix) {
5364 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5365 } else {
5366 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5367 }
5368
5369 if (rc != LDAP_SUCCESS) {
5370 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5371 return NT_STATUS_UNSUCCESSFUL;
5372 }
5373
5374 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5375
5376 flush_pwnam_cache();
5377
5378 return NT_STATUS_OK;
5379 }
5380
5381 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5382 {
5383 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5384 LDAPMessage *result = NULL;
5385 LDAPMessage *entry = NULL;
5386 int num_result;
5387 const char *dn;
5388 char *filter;
5389 int rc;
5390
5391 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5392
5393 filter = talloc_asprintf(tmp_ctx,
5394 "(&(uid=%s)"
5395 "(objectClass=%s)"
5396 "(objectClass=%s))",
5397 pdb_get_username(sam_acct),
5398 LDAP_OBJ_POSIXACCOUNT,
5399 LDAP_OBJ_SAMBASAMACCOUNT);
5400 if (filter == NULL) {
5401 return NT_STATUS_NO_MEMORY;
5402 }
5403
5404 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5405 if (rc != LDAP_SUCCESS) {
5406 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5407 return NT_STATUS_UNSUCCESSFUL;
5408 }
5409 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5410
5411 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5412
5413 if (num_result == 0) {
5414 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5415 return NT_STATUS_NO_SUCH_USER;
5416 }
5417
5418 if (num_result > 1) {
5419 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5420 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5421 }
5422
5423 entry = ldap_first_entry(priv2ld(ldap_state), result);
5424 if (!entry) {
5425 return NT_STATUS_UNSUCCESSFUL;
5426 }
5427
5428 /* it is just a posix account, retrieve the dn for later use */
5429 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5430 if (!dn) {
5431 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5432 return NT_STATUS_NO_MEMORY;
5433 }
5434
5435 /* try to remove memberships first */
5436 {
5437 NTSTATUS status;
5438 struct dom_sid *sids = NULL;
5439 gid_t *gids = NULL;
5440 uint32_t num_groups = 0;
5441 int i;
5442 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5443
5444 status = ldapsam_enum_group_memberships(my_methods,
5445 tmp_ctx,
5446 sam_acct,
5447 &sids,
5448 &gids,
5449 &num_groups);
5450 if (!NT_STATUS_IS_OK(status)) {
5451 goto delete_dn;
5452 }
5453
5454 for (i=0; i < num_groups; i++) {
5455
5456 uint32_t group_rid;
5457
5458 sid_peek_rid(&sids[i], &group_rid);
5459
5460 ldapsam_del_groupmem(my_methods,
5461 tmp_ctx,
5462 group_rid,
5463 user_rid);
5464 }
5465 }
5466
5467 delete_dn:
5468
5469 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5470 if (rc != LDAP_SUCCESS) {
5471 return NT_STATUS_UNSUCCESSFUL;
5472 }
5473
5474 flush_pwnam_cache();
5475
5476 return NT_STATUS_OK;
5477 }
5478
5479 /*
5480 * ldapsam_create_group creates a new
5481 * posixGroup and sambaGroupMapping object
5482 * in the ldap groups subtree
5483 *
5484 * The gid is allocated by winbindd.
5485 */
5486
5487 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5488 TALLOC_CTX *tmp_ctx,
5489 const char *name,
5490 uint32_t *rid)
5491 {
5492 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5493 NTSTATUS ret;
5494 LDAPMessage *entry = NULL;
5495 LDAPMessage *result = NULL;
5496 uint32_t num_result;
5497 bool is_new_entry = False;
5498 LDAPMod **mods = NULL;
5499 char *filter;
5500 char *groupsidstr;
5501 char *groupname;
5502 char *grouptype;
5503 char *gidstr;
5504 const char *dn = NULL;
5505 struct dom_sid group_sid;
5506 gid_t gid = -1;
5507 int rc;
5508
5509 groupname = escape_ldap_string(talloc_tos(), name);
5510 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5511 groupname, LDAP_OBJ_POSIXGROUP);
5512 TALLOC_FREE(groupname);
5513
5514 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5515 if (rc != LDAP_SUCCESS) {
5516 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5517 return NT_STATUS_UNSUCCESSFUL;
5518 }
5519 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5520
5521 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5522
5523 if (num_result > 1) {
5524 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5525 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5526 }
5527
5528 if (num_result == 1) {
5529 char *tmp;
5530 /* check if it is just a posix group.
5531 * or if there is a sid attached to this entry
5532 */
5533
5534 entry = ldap_first_entry(priv2ld(ldap_state), result);
5535 if (!entry) {
5536 return NT_STATUS_UNSUCCESSFUL;
5537 }
5538
5539 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5540 if (tmp) {
5541 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5542 return NT_STATUS_GROUP_EXISTS;
5543 }
5544
5545 /* it is just a posix group, retrieve the gid and the dn for later use */
5546 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5547 if (!tmp) {
5548 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5549 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5550 }
5551
5552 gid = strtoul(tmp, NULL, 10);
5553
5554 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5555 if (!dn) {
5556 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5557 return NT_STATUS_NO_MEMORY;
5558 }
5559 }
5560
5561 if (num_result == 0) {
5562 is_new_entry = true;
5563 }
5564
5565 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5566 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5567 return ret;
5568 }
5569
5570 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5571
5572 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5573 &group_sid));
5574 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5575
5576 if (!groupsidstr || !grouptype) {
5577 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5578 return NT_STATUS_NO_MEMORY;
5579 }
5580
5581 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5582 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5583 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5584 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5585
5586 if (is_new_entry) {
5587 char *escape_name;
5588
5589 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5590
5591 /* lets allocate a new groupid for this group */
5592 if (!winbind_allocate_gid(&gid)) {
5593 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5594 return NT_STATUS_UNSUCCESSFUL;
5595 }
5596
5597 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5598
5599 escape_name = escape_rdn_val_string_alloc(name);
5600 if (!escape_name) {
5601 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5602 return NT_STATUS_NO_MEMORY;
5603 }
5604
5605 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5606
5607 SAFE_FREE(escape_name);
5608
5609 if (!gidstr || !dn) {
5610 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5611 return NT_STATUS_NO_MEMORY;
5612 }
5613
5614 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5615 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5616 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5617 }
5618
5619 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5620
5621 if (is_new_entry) {
5622 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5623 #if 0
5624 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5625 /* This call may fail with rfc2307bis schema */
5626 /* Retry adding a structural class */
5627 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5628 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5629 }
5630 #endif
5631 } else {
5632 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5633 }
5634
5635 if (rc != LDAP_SUCCESS) {
5636 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5637 return NT_STATUS_UNSUCCESSFUL;
5638 }
5639
5640 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5641
5642 return NT_STATUS_OK;
5643 }
5644
5645 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5646 {
5647 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5648 LDAPMessage *result = NULL;
5649 LDAPMessage *entry = NULL;
5650 int num_result;
5651 const char *dn;
5652 char *gidstr;
5653 char *filter;
5654 struct dom_sid group_sid;
5655 int rc;
5656
5657 /* get the group sid */
5658 sid_compose(&group_sid, get_global_sam_sid(), rid);
5659
5660 filter = talloc_asprintf(tmp_ctx,
5661 "(&(sambaSID=%s)"
5662 "(objectClass=%s)"
5663 "(objectClass=%s))",
5664 sid_string_talloc(tmp_ctx, &group_sid),
5665 LDAP_OBJ_POSIXGROUP,
5666 LDAP_OBJ_GROUPMAP);
5667 if (filter == NULL) {
5668 return NT_STATUS_NO_MEMORY;
5669 }
5670
5671 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5672 if (rc != LDAP_SUCCESS) {
5673 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5674 return NT_STATUS_UNSUCCESSFUL;
5675 }
5676 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5677
5678 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5679
5680 if (num_result == 0) {
5681 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5682 return NT_STATUS_NO_SUCH_GROUP;
5683 }
5684
5685 if (num_result > 1) {
5686 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5687 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5688 }
5689
5690 entry = ldap_first_entry(priv2ld(ldap_state), result);
5691 if (!entry) {
5692 return NT_STATUS_UNSUCCESSFUL;
5693 }
5694
5695 /* here it is, retrieve the dn for later use */
5696 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5697 if (!dn) {
5698 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5699 return NT_STATUS_NO_MEMORY;
5700 }
5701
5702 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5703 if (!gidstr) {
5704 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5705 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5706 }
5707
5708 /* check no user have this group marked as primary group */
5709 filter = talloc_asprintf(tmp_ctx,
5710 "(&(gidNumber=%s)"
5711 "(objectClass=%s)"
5712 "(objectClass=%s))",
5713 gidstr,
5714 LDAP_OBJ_POSIXACCOUNT,
5715 LDAP_OBJ_SAMBASAMACCOUNT);
5716
5717 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5718 if (rc != LDAP_SUCCESS) {
5719 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5720 return NT_STATUS_UNSUCCESSFUL;
5721 }
5722 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5723
5724 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5725
5726 if (num_result != 0) {
5727 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5728 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5729 }
5730
5731 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5732 if (rc != LDAP_SUCCESS) {
5733 return NT_STATUS_UNSUCCESSFUL;
5734 }
5735
5736 return NT_STATUS_OK;
5737 }
5738
5739 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5740 TALLOC_CTX *tmp_ctx,
5741 uint32_t group_rid,
5742 uint32_t member_rid,
5743 int modop)
5744 {
5745 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5746 LDAPMessage *entry = NULL;
5747 LDAPMessage *result = NULL;
5748 uint32_t num_result;
5749 LDAPMod **mods = NULL;
5750 char *filter;
5751 char *uidstr;
5752 const char *dn = NULL;
5753 struct dom_sid group_sid;
5754 struct dom_sid member_sid;
5755 int rc;
5756
5757 switch (modop) {
5758 case LDAP_MOD_ADD:
5759 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5760 break;
5761 case LDAP_MOD_DELETE:
5762 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5763 break;
5764 default:
5765 return NT_STATUS_UNSUCCESSFUL;
5766 }
5767
5768 /* get member sid */
5769 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5770
5771 /* get the group sid */
5772 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5773
5774 filter = talloc_asprintf(tmp_ctx,
5775 "(&(sambaSID=%s)"
5776 "(objectClass=%s)"
5777 "(objectClass=%s))",
5778 sid_string_talloc(tmp_ctx, &member_sid),
5779 LDAP_OBJ_POSIXACCOUNT,
5780 LDAP_OBJ_SAMBASAMACCOUNT);
5781 if (filter == NULL) {
5782 return NT_STATUS_NO_MEMORY;
5783 }
5784
5785 /* get the member uid */
5786 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5787 if (rc != LDAP_SUCCESS) {
5788 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5789 return NT_STATUS_UNSUCCESSFUL;
5790 }
5791 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5792
5793 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5794
5795 if (num_result == 0) {
5796 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5797 return NT_STATUS_NO_SUCH_MEMBER;
5798 }
5799
5800 if (num_result > 1) {
5801 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5802 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5803 }
5804
5805 entry = ldap_first_entry(priv2ld(ldap_state), result);
5806 if (!entry) {
5807 return NT_STATUS_UNSUCCESSFUL;
5808 }
5809
5810 if (modop == LDAP_MOD_DELETE) {
5811 /* check if we are trying to remove the member from his primary group */
5812 char *gidstr;
5813 gid_t user_gid, group_gid;
5814
5815 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5816 if (!gidstr) {
5817 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5818 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5819 }
5820
5821 user_gid = strtoul(gidstr, NULL, 10);
5822
5823 if (!sid_to_gid(&group_sid, &group_gid)) {
5824 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5825 return NT_STATUS_UNSUCCESSFUL;
5826 }
5827
5828 if (user_gid == group_gid) {
5829 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5830 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5831 }
5832 }
5833
5834 /* here it is, retrieve the uid for later use */
5835 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5836 if (!uidstr) {
5837 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5838 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5839 }
5840
5841 filter = talloc_asprintf(tmp_ctx,
5842 "(&(sambaSID=%s)"
5843 "(objectClass=%s)"
5844 "(objectClass=%s))",
5845 sid_string_talloc(tmp_ctx, &group_sid),
5846 LDAP_OBJ_POSIXGROUP,
5847 LDAP_OBJ_GROUPMAP);
5848
5849 /* get the group */
5850 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5851 if (rc != LDAP_SUCCESS) {
5852 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5853 return NT_STATUS_UNSUCCESSFUL;
5854 }
5855 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5856
5857 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5858
5859 if (num_result == 0) {
5860 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5861 return NT_STATUS_NO_SUCH_GROUP;
5862 }
5863
5864 if (num_result > 1) {
5865 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5866 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5867 }
5868
5869 entry = ldap_first_entry(priv2ld(ldap_state), result);
5870 if (!entry) {
5871 return NT_STATUS_UNSUCCESSFUL;
5872 }
5873
5874 /* here it is, retrieve the dn for later use */
5875 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5876 if (!dn) {
5877 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5878 return NT_STATUS_NO_MEMORY;
5879 }
5880
5881 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5882
5883 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5884
5885 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5886 if (rc != LDAP_SUCCESS) {
5887 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5888 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5889 return NT_STATUS_MEMBER_IN_GROUP;
5890 }
5891 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5892 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5893 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5894 }
5895 return NT_STATUS_UNSUCCESSFUL;
5896 }
5897
5898 return NT_STATUS_OK;
5899 }
5900
5901 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5902 TALLOC_CTX *tmp_ctx,
5903 uint32_t group_rid,
5904 uint32_t member_rid)
5905 {
5906 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5907 }
5908 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5909 TALLOC_CTX *tmp_ctx,
5910 uint32_t group_rid,
5911 uint32_t member_rid)
5912 {
5913 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5914 }
5915
5916 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5917 TALLOC_CTX *mem_ctx,
5918 struct samu *sampass)
5919 {
5920 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5921 LDAPMessage *entry = NULL;
5922 LDAPMessage *result = NULL;
5923 uint32_t num_result;
5924 LDAPMod **mods = NULL;
5925 char *filter;
5926 char *escape_username;
5927 char *gidstr;
5928 const char *dn = NULL;
5929 gid_t gid;
5930 int rc;
5931
5932 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5933
5934 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5935 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
5936 return NT_STATUS_UNSUCCESSFUL;
5937 }
5938 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
5939 if (!gidstr) {
5940 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5941 return NT_STATUS_NO_MEMORY;
5942 }
5943
5944 escape_username = escape_ldap_string(talloc_tos(),
5945 pdb_get_username(sampass));
5946 if (escape_username== NULL) {
5947 return NT_STATUS_NO_MEMORY;
5948 }
5949
5950 filter = talloc_asprintf(mem_ctx,
5951 "(&(uid=%s)"
5952 "(objectClass=%s)"
5953 "(objectClass=%s))",
5954 escape_username,
5955 LDAP_OBJ_POSIXACCOUNT,
5956 LDAP_OBJ_SAMBASAMACCOUNT);
5957
5958 TALLOC_FREE(escape_username);
5959
5960 if (filter == NULL) {
5961 return NT_STATUS_NO_MEMORY;
5962 }
5963
5964 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5965 if (rc != LDAP_SUCCESS) {
5966 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5967 return NT_STATUS_UNSUCCESSFUL;
5968 }
5969 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
5970
5971 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5972
5973 if (num_result == 0) {
5974 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5975 return NT_STATUS_NO_SUCH_USER;
5976 }
5977
5978 if (num_result > 1) {
5979 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5980 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5981 }
5982
5983 entry = ldap_first_entry(priv2ld(ldap_state), result);
5984 if (!entry) {
5985 return NT_STATUS_UNSUCCESSFUL;
5986 }
5987
5988 /* retrieve the dn for later use */
5989 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5990 if (!dn) {
5991 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5992 return NT_STATUS_NO_MEMORY;
5993 }
5994
5995 /* remove the old one, and add the new one, this way we do not risk races */
5996 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5997
5998 if (mods == NULL) {
5999 return NT_STATUS_OK;
6000 }
6001
6002 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6003
6004 if (rc != LDAP_SUCCESS) {
6005 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6006 pdb_get_username(sampass), gidstr));
6007 return NT_STATUS_UNSUCCESSFUL;
6008 }
6009
6010 flush_pwnam_cache();
6011
6012 return NT_STATUS_OK;
6013 }
6014
6015
6016 /**********************************************************************
6017 trusted domains functions
6018 *********************************************************************/
6019
6020 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6021 const char *domain)
6022 {
6023 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6024 ldap_state->domain_dn);
6025 }
6026
6027 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6028 TALLOC_CTX *mem_ctx,
6029 const char *domain, LDAPMessage **entry)
6030 {
6031 int rc;
6032 char *filter;
6033 int scope = LDAP_SCOPE_SUBTREE;
6034 const char **attrs = NULL; /* NULL: get all attrs */
6035 int attrsonly = 0; /* 0: return values too */
6036 LDAPMessage *result = NULL;
6037 char *trusted_dn;
6038 uint32_t num_result;
6039
6040 filter = talloc_asprintf(talloc_tos(),
6041 "(&(objectClass=%s)(sambaDomainName=%s))",
6042 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6043
6044 trusted_dn = trusteddom_dn(ldap_state, domain);
6045 if (trusted_dn == NULL) {
6046 return False;
6047 }
6048 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6049 filter, attrs, attrsonly, &result);
6050
6051 if (result != NULL) {
6052 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6053 }
6054
6055 if (rc == LDAP_NO_SUCH_OBJECT) {
6056 *entry = NULL;
6057 return True;
6058 }
6059
6060 if (rc != LDAP_SUCCESS) {
6061 return False;
6062 }
6063
6064 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6065
6066 if (num_result > 1) {
6067 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6068 "%s object for domain '%s'?!\n",
6069 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6070 return False;
6071 }
6072
6073 if (num_result == 0) {
6074 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6075 "%s object for domain %s.\n",
6076 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6077 *entry = NULL;
6078 } else {
6079 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6080 }
6081
6082 return True;
6083 }
6084
6085 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6086 const char *domain,
6087 char** pwd,
6088 struct dom_sid *sid,
6089 time_t *pass_last_set_time)
6090 {
6091 struct ldapsam_privates *ldap_state =
6092 (struct ldapsam_privates *)methods->private_data;
6093 LDAPMessage *entry = NULL;
6094
6095 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6096
6097 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6098 (entry == NULL))
6099 {
6100 return False;
6101 }
6102
6103 /* password */
6104 if (pwd != NULL) {
6105 char *pwd_str;
6106 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6107 entry, "sambaClearTextPassword", talloc_tos());
6108 if (pwd_str == NULL) {
6109 return False;
6110 }
6111 /* trusteddom_pw routines do not use talloc yet... */
6112 *pwd = SMB_STRDUP(pwd_str);
6113 if (*pwd == NULL) {
6114 return False;
6115 }
6116 }
6117
6118 /* last change time */
6119 if (pass_last_set_time != NULL) {
6120 char *time_str;
6121 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6122 entry, "sambaPwdLastSet", talloc_tos());
6123 if (time_str == NULL) {
6124 return False;
6125 }
6126 *pass_last_set_time = (time_t)atol(time_str);
6127 }
6128
6129 /* domain sid */
6130 if (sid != NULL) {
6131 char *sid_str;
6132 struct dom_sid dom_sid;
6133 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6134 entry, "sambaSID",
6135 talloc_tos());
6136 if (sid_str == NULL) {
6137 return False;
6138 }
6139 if (!string_to_sid(&dom_sid, sid_str)) {
6140 return False;
6141 }
6142 sid_copy(sid, &dom_sid);
6143 }
6144
6145 return True;
6146 }
6147
6148 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6149 const char* domain,
6150 const char* pwd,
6151 const struct dom_sid *sid)
6152 {
6153 struct ldapsam_privates *ldap_state =
6154 (struct ldapsam_privates *)methods->private_data;
6155 LDAPMessage *entry = NULL;
6156 LDAPMod **mods = NULL;
6157 char *prev_pwd = NULL;
6158 char *trusted_dn = NULL;
6159 int rc;
6160
6161 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6162
6163 /*
6164 * get the current entry (if there is one) in order to put the
6165 * current password into the previous password attribute
6166 */
6167 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6168 return False;
6169 }
6170
6171 mods = NULL;
6172 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6173 LDAP_OBJ_TRUSTDOM_PASSWORD);
6174 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6175 domain);
6176 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6177 sid_string_tos(sid));
6178 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6179 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6180 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6181 "sambaClearTextPassword", pwd);
6182
6183 if (entry != NULL) {
6184 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6185 entry, "sambaClearTextPassword", talloc_tos());
6186 if (prev_pwd != NULL) {
6187 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6188 "sambaPreviousClearTextPassword",
6189 prev_pwd);
6190 }
6191 }
6192
6193 smbldap_talloc_autofree_ldapmod(talloc_tos(), mods);
6194
6195 trusted_dn = trusteddom_dn(ldap_state, domain);
6196 if (trusted_dn == NULL) {
6197 return False;
6198 }
6199 if (entry == NULL) {
6200 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6201 } else {
6202 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6203 }
6204
6205 if (rc != LDAP_SUCCESS) {
6206 DEBUG(1, ("error writing trusted domain password!\n"));
6207 return False;
6208 }
6209
6210 return True;
6211 }
6212
6213 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6214 const char *domain)
6215 {
6216 int rc;
6217 struct ldapsam_privates *ldap_state =
6218 (struct ldapsam_privates *)methods->private_data;
6219 LDAPMessage *entry = NULL;
6220 const char *trusted_dn;
6221
6222 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6223 return False;
6224 }
6225
6226 if (entry == NULL) {
6227 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6228 "%s\n", domain));
6229 return True;
6230 }
6231
6232 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6233 entry);
6234 if (trusted_dn == NULL) {
6235 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6236 return False;
6237 }
6238
6239 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6240 if (rc != LDAP_SUCCESS) {
6241 return False;
6242 }
6243
6244 return True;
6245 }
6246
6247 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6248 TALLOC_CTX *mem_ctx,
6249 uint32_t *num_domains,
6250 struct trustdom_info ***domains)
6251 {
6252 int rc;
6253 struct ldapsam_privates *ldap_state =
6254 (struct ldapsam_privates *)methods->private_data;
6255 char *filter;
6256 int scope = LDAP_SCOPE_SUBTREE;
6257 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6258 int attrsonly = 0; /* 0: return values too */
6259 LDAPMessage *result = NULL;
6260 LDAPMessage *entry = NULL;
6261
6262 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6263 LDAP_OBJ_TRUSTDOM_PASSWORD);
6264
6265 rc = smbldap_search(ldap_state->smbldap_state,
6266 ldap_state->domain_dn,
6267 scope,
6268 filter,
6269 attrs,
6270 attrsonly,
6271 &result);
6272
6273 if (result != NULL) {
6274 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6275 }
6276
6277 if (rc != LDAP_SUCCESS) {
6278 return NT_STATUS_UNSUCCESSFUL;
6279 }
6280
6281 *num_domains = 0;
6282 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6283 DEBUG(1, ("talloc failed\n"));
6284 return NT_STATUS_NO_MEMORY;
6285 }
6286
6287 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6288 entry != NULL;
6289 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6290 {
6291 char *dom_name, *dom_sid_str;
6292 struct trustdom_info *dom_info;
6293
6294 dom_info = talloc(*domains, struct trustdom_info);
6295 if (dom_info == NULL) {
6296 DEBUG(1, ("talloc failed\n"));
6297 return NT_STATUS_NO_MEMORY;
6298 }
6299
6300 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6301 entry,
6302 "sambaDomainName",
6303 talloc_tos());
6304 if (dom_name == NULL) {
6305 DEBUG(1, ("talloc failed\n"));
6306 return NT_STATUS_NO_MEMORY;
6307 }
6308 dom_info->name = dom_name;
6309
6310 dom_sid_str = smbldap_talloc_single_attribute(
6311 priv2ld(ldap_state), entry, "sambaSID",
6312 talloc_tos());
6313 if (dom_sid_str == NULL) {
6314 DEBUG(1, ("talloc failed\n"));
6315 return NT_STATUS_NO_MEMORY;
6316 }
6317 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6318 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6319 dom_sid_str));
6320 return NT_STATUS_UNSUCCESSFUL;
6321 }
6322
6323 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6324 domains, num_domains);
6325
6326 if (*domains == NULL) {
6327 DEBUG(1, ("talloc failed\n"));
6328 return NT_STATUS_NO_MEMORY;
6329 }
6330 }
6331
6332 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6333 return NT_STATUS_OK;
6334 }
6335
6336
6337 /**********************************************************************
6338 Housekeeping
6339 *********************************************************************/
6340
6341 static void free_private_data(void **vp)
6342 {
6343 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6344
6345 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6346
6347 if ((*ldap_state)->result != NULL) {
6348 ldap_msgfree((*ldap_state)->result);
6349 (*ldap_state)->result = NULL;
6350 }
6351 if ((*ldap_state)->domain_dn != NULL) {
6352 SAFE_FREE((*ldap_state)->domain_dn);
6353 }
6354
6355 *ldap_state = NULL;
6356
6357 /* No need to free any further, as it is talloc()ed */
6358 }
6359
6360 /*********************************************************************
6361 Intitalise the parts of the pdb_methods structure that are common to
6362 all pdb_ldap modes
6363 *********************************************************************/
6364
6365 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6366 {
6367 NTSTATUS nt_status;
6368 struct ldapsam_privates *ldap_state;
6369 char *bind_dn = NULL;
6370 char *bind_secret = NULL;
6371
6372 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6373 return nt_status;
6374 }
6375
6376 (*pdb_method)->name = "ldapsam";
6377
6378 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6379 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6380 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6381 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6382 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6383 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6384
6385 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6386 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6387 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6388 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6389 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6390 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6391 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6392
6393 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6394 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6395
6396 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6397
6398 (*pdb_method)->capabilities = ldapsam_capabilities;
6399 (*pdb_method)->new_rid = ldapsam_new_rid;
6400
6401 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6402 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6403 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6404 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6405
6406 /* TODO: Setup private data and free */
6407
6408 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6409 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6410 return NT_STATUS_NO_MEMORY;
6411 }
6412
6413 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6414 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6415 return NT_STATUS_NO_MEMORY;
6416 }
6417
6418 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6419 location, false, bind_dn, bind_secret,
6420 &ldap_state->smbldap_state);
6421 memset(bind_secret, '\0', strlen(bind_secret));
6422 SAFE_FREE(bind_secret);
6423 SAFE_FREE(bind_dn);
6424 if ( !NT_STATUS_IS_OK(nt_status) ) {
6425 return nt_status;
6426 }
6427
6428 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6429 return NT_STATUS_NO_MEMORY;
6430 }
6431
6432 (*pdb_method)->private_data = ldap_state;
6433
6434 (*pdb_method)->free_private_data = free_private_data;
6435
6436 return NT_STATUS_OK;
6437 }
6438
6439 static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m)
6440 {
6441 return true;
6442 }
6443
6444 /**********************************************************************
6445 Initialise the normal mode for pdb_ldap
6446 *********************************************************************/
6447
6448 NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method,
6449 const char *location)
6450 {
6451 NTSTATUS nt_status;
6452 struct ldapsam_privates *ldap_state = NULL;
6453 uint32_t alg_rid_base;
6454 char *alg_rid_base_string = NULL;
6455 LDAPMessage *result = NULL;
6456 LDAPMessage *entry = NULL;
6457 struct dom_sid ldap_domain_sid;
6458 struct dom_sid secrets_domain_sid;
6459 char *domain_sid_string = NULL;
6460 char *dn = NULL;
6461 char *uri = talloc_strdup( NULL, location );
6462
6463 trim_char( uri, '\"', '\"' );
6464 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6465
6466 TALLOC_FREE(uri);
6467
6468 if (!NT_STATUS_IS_OK(nt_status)) {
6469 return nt_status;
6470 }
6471
6472 (*pdb_method)->name = "ldapsam";
6473
6474 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6475 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6476 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6477 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6478 (*pdb_method)->search_users = ldapsam_search_users;
6479 (*pdb_method)->search_groups = ldapsam_search_groups;
6480 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6481 (*pdb_method)->is_responsible_for_wellknown =
6482 ldapsam_is_responsible_for_wellknown;
6483
6484 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6485 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6486 (*pdb_method)->enum_group_memberships =
6487 ldapsam_enum_group_memberships;
6488 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6489 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6490 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6491 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6492
6493 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6494 (*pdb_method)->create_user = ldapsam_create_user;
6495 (*pdb_method)->delete_user = ldapsam_delete_user;
6496 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6497 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6498 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6499 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6500 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6501 }
6502 }
6503
6504 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6505 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6506
6507 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6508
6509 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6510 &result,
6511 ldap_state->domain_name, True);
6512
6513 if ( !NT_STATUS_IS_OK(nt_status) ) {
6514 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6515 "info, nor add one to the domain. "
6516 "We cannot work reliably without it.\n"));
6517 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6518 }
6519
6520 /* Given that the above might fail, everything below this must be
6521 * optional */
6522
6523 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6524 result);
6525 if (!entry) {
6526 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6527 "entry\n"));
6528 ldap_msgfree(result);
6529 return NT_STATUS_UNSUCCESSFUL;
6530 }
6531
6532 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6533 if (!dn) {
6534 ldap_msgfree(result);
6535 return NT_STATUS_UNSUCCESSFUL;
6536 }
6537
6538 ldap_state->domain_dn = smb_xstrdup(dn);
6539 TALLOC_FREE(dn);
6540
6541 domain_sid_string = smbldap_talloc_single_attribute(
6542 ldap_state->smbldap_state->ldap_struct,
6543 entry,
6544 get_userattr_key2string(ldap_state->schema_ver,
6545 LDAP_ATTR_USER_SID),
6546 talloc_tos());
6547
6548 if (domain_sid_string) {
6549 bool found_sid;
6550 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6551 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6552 "read as a valid SID\n", domain_sid_string));
6553 ldap_msgfree(result);
6554 TALLOC_FREE(domain_sid_string);
6555 return NT_STATUS_INVALID_PARAMETER;
6556 }
6557 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6558 &secrets_domain_sid);
6559 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6560 &ldap_domain_sid)) {
6561 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6562 "%s based on pdb_ldap results %s -> %s\n",
6563 ldap_state->domain_name,
6564 sid_string_dbg(&secrets_domain_sid),
6565 sid_string_dbg(&ldap_domain_sid)));
6566
6567 /* reset secrets.tdb sid */
6568 PDB_secrets_store_domain_sid(ldap_state->domain_name,
6569 &ldap_domain_sid);
6570 DEBUG(1, ("New global sam SID: %s\n",
6571 sid_string_dbg(get_global_sam_sid())));
6572 }
6573 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6574 TALLOC_FREE(domain_sid_string);
6575 }
6576
6577 alg_rid_base_string = smbldap_talloc_single_attribute(
6578 ldap_state->smbldap_state->ldap_struct,
6579 entry,
6580 get_attr_key2string( dominfo_attr_list,
6581 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6582 talloc_tos());
6583 if (alg_rid_base_string) {
6584 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6585 if (alg_rid_base != algorithmic_rid_base()) {
6586 DEBUG(0, ("The value of 'algorithmic RID base' has "
6587 "changed since the LDAP\n"
6588 "database was initialised. Aborting. \n"));
6589 ldap_msgfree(result);
6590 TALLOC_FREE(alg_rid_base_string);
6591 return NT_STATUS_UNSUCCESSFUL;
6592 }
6593 TALLOC_FREE(alg_rid_base_string);
6594 }
6595 ldap_msgfree(result);
6596
6597 return NT_STATUS_OK;
6598 }
6599
6600 NTSTATUS pdb_ldapsam_init(void)
6601 {
6602 NTSTATUS nt_status;
6603
6604 nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION,
6605 "ldapsam",
6606 pdb_ldapsam_init_common);
6607 if (!NT_STATUS_IS_OK(nt_status)) {
6608 return nt_status;
6609 }
6610
6611 /* Let pdb_nds register backends */
6612 pdb_nds_init();
6613
6614 pdb_ipa_init();
6615
6616 return NT_STATUS_OK;
6617 }
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