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can_write_to_file() does now take share permissions into account. Fix comment.
[Samba/gebeck_regimport.git] / source3 / passdb / pdb_ldap.c
blobb59eeb9a7e7a6a8a178f282da69f451f7660a94f
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
55 #undef DBGC_CLASS
56 #define DBGC_CLASS DBGC_PASSDB
57
58 #include <lber.h>
59 #include <ldap.h>
60
61
62 #include "smbldap.h"
63 #include "passdb/pdb_ldap.h"
64 #include "passdb/pdb_nds.h"
65 #include "passdb/pdb_ipa.h"
66
67 /**********************************************************************
68 Simple helper function to make stuff better readable
69 **********************************************************************/
70
71 LDAP *priv2ld(struct ldapsam_privates *priv)
72 {
73 return priv->smbldap_state->ldap_struct;
74 }
75
76 /**********************************************************************
77 Get the attribute name given a user schame version.
78 **********************************************************************/
79
80 static const char* get_userattr_key2string( int schema_ver, int key )
81 {
82 switch ( schema_ver ) {
83 case SCHEMAVER_SAMBAACCOUNT:
84 return get_attr_key2string( attrib_map_v22, key );
85
86 case SCHEMAVER_SAMBASAMACCOUNT:
87 return get_attr_key2string( attrib_map_v30, key );
88
89 default:
90 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
91 break;
92 }
93 return NULL;
94 }
95
96 /**********************************************************************
97 Return the list of attribute names given a user schema version.
98 **********************************************************************/
99
100 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
101 {
102 switch ( schema_ver ) {
103 case SCHEMAVER_SAMBAACCOUNT:
104 return get_attr_list( mem_ctx, attrib_map_v22 );
105
106 case SCHEMAVER_SAMBASAMACCOUNT:
107 return get_attr_list( mem_ctx, attrib_map_v30 );
108 default:
109 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
110 break;
111 }
112
113 return NULL;
114 }
115
116 /**************************************************************************
117 Return the list of attribute names to delete given a user schema version.
118 **************************************************************************/
119
120 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
121 int schema_ver )
122 {
123 switch ( schema_ver ) {
124 case SCHEMAVER_SAMBAACCOUNT:
125 return get_attr_list( mem_ctx,
126 attrib_map_to_delete_v22 );
127
128 case SCHEMAVER_SAMBASAMACCOUNT:
129 return get_attr_list( mem_ctx,
130 attrib_map_to_delete_v30 );
131 default:
132 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
133 break;
134 }
135
136 return NULL;
137 }
138
139
140 /*******************************************************************
141 Generate the LDAP search filter for the objectclass based on the
142 version of the schema we are using.
143 ******************************************************************/
144
145 static const char* get_objclass_filter( int schema_ver )
146 {
147 fstring objclass_filter;
148 char *result;
149
150 switch( schema_ver ) {
151 case SCHEMAVER_SAMBAACCOUNT:
152 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
153 break;
154 case SCHEMAVER_SAMBASAMACCOUNT:
155 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
156 break;
157 default:
158 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
159 objclass_filter[0] = '\0';
160 break;
161 }
162
163 result = talloc_strdup(talloc_tos(), objclass_filter);
164 SMB_ASSERT(result != NULL);
165 return result;
166 }
167
168 /*****************************************************************
169 Scan a sequence number off OpenLDAP's syncrepl contextCSN
170 ******************************************************************/
171
172 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
173 {
174 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
175 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
176 LDAPMessage *msg = NULL;
177 LDAPMessage *entry = NULL;
178 TALLOC_CTX *mem_ctx;
179 char **values = NULL;
180 int rc, num_result, num_values, rid;
181 char *suffix = NULL;
182 char *tok;
183 const char *p;
184 const char **attrs;
185
186 /* Unfortunatly there is no proper way to detect syncrepl-support in
187 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
188 * but do not show up in the root-DSE yet. Neither we can query the
189 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
190 * objectclass. Currently we require lp_ldap_suffix() to show up as
191 * namingContext. - Guenther
192 */
193
194 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
195 return ntstatus;
196 }
197
198 if (!seq_num) {
199 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
200 return ntstatus;
201 }
202
203 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
204 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
205 "as top-level namingContext\n", lp_ldap_suffix()));
206 return ntstatus;
207 }
208
209 mem_ctx = talloc_init("ldapsam_get_seq_num");
210
211 if (mem_ctx == NULL)
212 return NT_STATUS_NO_MEMORY;
213
214 if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
215 ntstatus = NT_STATUS_NO_MEMORY;
216 goto done;
217 }
218
219 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
220 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
221 if (rid > 0) {
222
223 /* consumer syncreplCookie: */
224 /* csn=20050126161620Z#0000001#00#00000 */
225 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
226 attrs[1] = NULL;
227 suffix = talloc_asprintf(mem_ctx,
228 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
229 if (!suffix) {
230 ntstatus = NT_STATUS_NO_MEMORY;
231 goto done;
232 }
233 } else {
234
235 /* provider contextCSN */
236 /* 20050126161620Z#000009#00#000000 */
237 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
238 attrs[1] = NULL;
239 suffix = talloc_asprintf(mem_ctx,
240 "cn=ldapsync,%s", lp_ldap_suffix());
241
242 if (!suffix) {
243 ntstatus = NT_STATUS_NO_MEMORY;
244 goto done;
245 }
246 }
247
248 rc = smbldap_search(ldap_state->smbldap_state, suffix,
249 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
250
251 if (rc != LDAP_SUCCESS) {
252 goto done;
253 }
254
255 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
256 if (num_result != 1) {
257 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
258 goto done;
259 }
260
261 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
262 if (entry == NULL) {
263 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
264 goto done;
265 }
266
267 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
268 if (values == NULL) {
269 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
270 goto done;
271 }
272
273 num_values = ldap_count_values(values);
274 if (num_values == 0) {
275 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
276 goto done;
277 }
278
279 p = values[0];
280 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
281 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
282 goto done;
283 }
284
285 p = tok;
286 if (!strncmp(p, "csn=", strlen("csn=")))
287 p += strlen("csn=");
288
289 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
290
291 *seq_num = generalized_to_unix_time(p);
292
293 /* very basic sanity check */
294 if (*seq_num <= 0) {
295 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
296 (int)*seq_num));
297 goto done;
298 }
299
300 ntstatus = NT_STATUS_OK;
301
302 done:
303 if (values != NULL)
304 ldap_value_free(values);
305 if (msg != NULL)
306 ldap_msgfree(msg);
307 if (mem_ctx)
308 talloc_destroy(mem_ctx);
309
310 return ntstatus;
311 }
312
313 /*******************************************************************
314 Run the search by name.
315 ******************************************************************/
316
317 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
318 const char *user,
319 LDAPMessage ** result,
320 const char **attr)
321 {
322 char *filter = NULL;
323 char *escape_user = escape_ldap_string(talloc_tos(), user);
324 int ret = -1;
325
326 if (!escape_user) {
327 return LDAP_NO_MEMORY;
328 }
329
330 /*
331 * in the filter expression, replace %u with the real name
332 * so in ldap filter, %u MUST exist :-)
333 */
334 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
335 get_objclass_filter(ldap_state->schema_ver));
336 if (!filter) {
337 TALLOC_FREE(escape_user);
338 return LDAP_NO_MEMORY;
339 }
340 /*
341 * have to use this here because $ is filtered out
342 * in string_sub
343 */
344
345 filter = talloc_all_string_sub(talloc_tos(),
346 filter, "%u", escape_user);
347 TALLOC_FREE(escape_user);
348 if (!filter) {
349 return LDAP_NO_MEMORY;
350 }
351
352 ret = smbldap_search_suffix(ldap_state->smbldap_state,
353 filter, attr, result);
354 TALLOC_FREE(filter);
355 return ret;
356 }
357
358 /*******************************************************************
359 Run the search by rid.
360 ******************************************************************/
361
362 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
363 uint32_t rid, LDAPMessage ** result,
364 const char **attr)
365 {
366 char *filter = NULL;
367 int rc;
368
369 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
370 get_objclass_filter(ldap_state->schema_ver));
371 if (!filter) {
372 return LDAP_NO_MEMORY;
373 }
374
375 rc = smbldap_search_suffix(ldap_state->smbldap_state,
376 filter, attr, result);
377 TALLOC_FREE(filter);
378 return rc;
379 }
380
381 /*******************************************************************
382 Run the search by SID.
383 ******************************************************************/
384
385 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
386 const struct dom_sid *sid, LDAPMessage ** result,
387 const char **attr)
388 {
389 char *filter = NULL;
390 int rc;
391 fstring sid_string;
392
393 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
394 get_userattr_key2string(ldap_state->schema_ver,
395 LDAP_ATTR_USER_SID),
396 sid_to_fstring(sid_string, sid),
397 get_objclass_filter(ldap_state->schema_ver));
398 if (!filter) {
399 return LDAP_NO_MEMORY;
400 }
401
402 rc = smbldap_search_suffix(ldap_state->smbldap_state,
403 filter, attr, result);
404
405 TALLOC_FREE(filter);
406 return rc;
407 }
408
409 /*******************************************************************
410 Delete complete object or objectclass and attrs from
411 object found in search_result depending on lp_ldap_delete_dn
412 ******************************************************************/
413
414 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
415 TALLOC_CTX *mem_ctx,
416 LDAPMessage *entry,
417 const char *objectclass,
418 const char **attrs)
419 {
420 LDAPMod **mods = NULL;
421 char *name;
422 const char *dn;
423 BerElement *ptr = NULL;
424
425 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
426 if (dn == NULL) {
427 return LDAP_NO_MEMORY;
428 }
429
430 if (lp_ldap_delete_dn()) {
431 return smbldap_delete(priv->smbldap_state, dn);
432 }
433
434 /* Ok, delete only the SAM attributes */
435
436 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
437 name != NULL;
438 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
439 const char **attrib;
440
441 /* We are only allowed to delete the attributes that
442 really exist. */
443
444 for (attrib = attrs; *attrib != NULL; attrib++) {
445 if (strequal(*attrib, name)) {
446 DEBUG(10, ("ldapsam_delete_entry: deleting "
447 "attribute %s\n", name));
448 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
449 NULL);
450 }
451 }
452 ldap_memfree(name);
453 }
454
455 if (ptr != NULL) {
456 ber_free(ptr, 0);
457 }
458
459 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
460 talloc_autofree_ldapmod(mem_ctx, mods);
461
462 return smbldap_modify(priv->smbldap_state, dn, mods);
463 }
464
465 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
466 {
467 char *temp;
468 struct tm tm;
469
470 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
471 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
472 talloc_tos());
473 if (!temp) {
474 return (time_t) 0;
475 }
476
477 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
478 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
479 (char*)temp));
480 TALLOC_FREE(temp);
481 return (time_t) 0;
482 }
483 TALLOC_FREE(temp);
484 tzset();
485 return timegm(&tm);
486 }
487
488 /**********************************************************************
489 Initialize struct samu from an LDAP query.
490 (Based on init_sam_from_buffer in pdb_tdb.c)
491 *********************************************************************/
492
493 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
494 struct samu * sampass,
495 LDAPMessage * entry)
496 {
497 time_t logon_time,
498 logoff_time,
499 kickoff_time,
500 pass_last_set_time,
501 pass_can_change_time,
502 pass_must_change_time,
503 ldap_entry_time,
504 bad_password_time;
505 char *username = NULL,
506 *domain = NULL,
507 *nt_username = NULL,
508 *fullname = NULL,
509 *homedir = NULL,
510 *dir_drive = NULL,
511 *logon_script = NULL,
512 *profile_path = NULL,
513 *acct_desc = NULL,
514 *workstations = NULL,
515 *munged_dial = NULL;
516 uint32_t user_rid;
517 uint8 smblmpwd[LM_HASH_LEN],
518 smbntpwd[NT_HASH_LEN];
519 bool use_samba_attrs = True;
520 uint32_t acct_ctrl = 0;
521 uint16_t logon_divs;
522 uint16_t bad_password_count = 0,
523 logon_count = 0;
524 uint32_t hours_len;
525 uint8 hours[MAX_HOURS_LEN];
526 char *temp = NULL;
527 struct login_cache cache_entry;
528 uint32_t pwHistLen;
529 bool expand_explicit = lp_passdb_expand_explicit();
530 bool ret = false;
531 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
532
533 if (!ctx) {
534 return false;
535 }
536 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
537 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
538 goto fn_exit;
539 }
540
541 if (priv2ld(ldap_state) == NULL) {
542 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
543 "ldap_struct is NULL!\n"));
544 goto fn_exit;
545 }
546
547 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
548 entry,
549 "uid",
550 ctx))) {
551 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
552 "this user!\n"));
553 goto fn_exit;
554 }
555
556 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
557
558 nt_username = talloc_strdup(ctx, username);
559 if (!nt_username) {
560 goto fn_exit;
561 }
562
563 domain = talloc_strdup(ctx, ldap_state->domain_name);
564 if (!domain) {
565 goto fn_exit;
566 }
567
568 pdb_set_username(sampass, username, PDB_SET);
569
570 pdb_set_domain(sampass, domain, PDB_DEFAULT);
571 pdb_set_nt_username(sampass, nt_username, PDB_SET);
572
573 /* deal with different attributes between the schema first */
574
575 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
576 if ((temp = smbldap_talloc_single_attribute(
577 ldap_state->smbldap_state->ldap_struct,
578 entry,
579 get_userattr_key2string(ldap_state->schema_ver,
580 LDAP_ATTR_USER_SID),
581 ctx))!=NULL) {
582 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
583 }
584 } else {
585 if ((temp = smbldap_talloc_single_attribute(
586 ldap_state->smbldap_state->ldap_struct,
587 entry,
588 get_userattr_key2string(ldap_state->schema_ver,
589 LDAP_ATTR_USER_RID),
590 ctx))!=NULL) {
591 user_rid = (uint32_t)atol(temp);
592 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
593 }
594 }
595
596 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
597 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
598 get_userattr_key2string(ldap_state->schema_ver,
599 LDAP_ATTR_USER_SID),
600 get_userattr_key2string(ldap_state->schema_ver,
601 LDAP_ATTR_USER_RID),
602 username));
603 return False;
604 }
605
606 temp = smbldap_talloc_single_attribute(
607 ldap_state->smbldap_state->ldap_struct,
608 entry,
609 get_userattr_key2string(ldap_state->schema_ver,
610 LDAP_ATTR_PWD_LAST_SET),
611 ctx);
612 if (temp) {
613 pass_last_set_time = (time_t) atol(temp);
614 pdb_set_pass_last_set_time(sampass,
615 pass_last_set_time, PDB_SET);
616 }
617
618 temp = smbldap_talloc_single_attribute(
619 ldap_state->smbldap_state->ldap_struct,
620 entry,
621 get_userattr_key2string(ldap_state->schema_ver,
622 LDAP_ATTR_LOGON_TIME),
623 ctx);
624 if (temp) {
625 logon_time = (time_t) atol(temp);
626 pdb_set_logon_time(sampass, logon_time, PDB_SET);
627 }
628
629 temp = smbldap_talloc_single_attribute(
630 ldap_state->smbldap_state->ldap_struct,
631 entry,
632 get_userattr_key2string(ldap_state->schema_ver,
633 LDAP_ATTR_LOGOFF_TIME),
634 ctx);
635 if (temp) {
636 logoff_time = (time_t) atol(temp);
637 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
638 }
639
640 temp = smbldap_talloc_single_attribute(
641 ldap_state->smbldap_state->ldap_struct,
642 entry,
643 get_userattr_key2string(ldap_state->schema_ver,
644 LDAP_ATTR_KICKOFF_TIME),
645 ctx);
646 if (temp) {
647 kickoff_time = (time_t) atol(temp);
648 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
649 }
650
651 temp = smbldap_talloc_single_attribute(
652 ldap_state->smbldap_state->ldap_struct,
653 entry,
654 get_userattr_key2string(ldap_state->schema_ver,
655 LDAP_ATTR_PWD_CAN_CHANGE),
656 ctx);
657 if (temp) {
658 pass_can_change_time = (time_t) atol(temp);
659 pdb_set_pass_can_change_time(sampass,
660 pass_can_change_time, PDB_SET);
661 }
662
663 temp = smbldap_talloc_single_attribute(
664 ldap_state->smbldap_state->ldap_struct,
665 entry,
666 get_userattr_key2string(ldap_state->schema_ver,
667 LDAP_ATTR_PWD_MUST_CHANGE),
668 ctx);
669 if (temp) {
670 pass_must_change_time = (time_t) atol(temp);
671 pdb_set_pass_must_change_time(sampass,
672 pass_must_change_time, PDB_SET);
673 }
674
675 /* recommend that 'gecos' and 'displayName' should refer to the same
676 * attribute OID. userFullName depreciated, only used by Samba
677 * primary rules of LDAP: don't make a new attribute when one is already defined
678 * that fits your needs; using cn then displayName rather than 'userFullName'
679 */
680
681 fullname = smbldap_talloc_single_attribute(
682 ldap_state->smbldap_state->ldap_struct,
683 entry,
684 get_userattr_key2string(ldap_state->schema_ver,
685 LDAP_ATTR_DISPLAY_NAME),
686 ctx);
687 if (fullname) {
688 pdb_set_fullname(sampass, fullname, PDB_SET);
689 } else {
690 fullname = smbldap_talloc_single_attribute(
691 ldap_state->smbldap_state->ldap_struct,
692 entry,
693 get_userattr_key2string(ldap_state->schema_ver,
694 LDAP_ATTR_CN),
695 ctx);
696 if (fullname) {
697 pdb_set_fullname(sampass, fullname, PDB_SET);
698 }
699 }
700
701 dir_drive = smbldap_talloc_single_attribute(
702 ldap_state->smbldap_state->ldap_struct,
703 entry,
704 get_userattr_key2string(ldap_state->schema_ver,
705 LDAP_ATTR_HOME_DRIVE),
706 ctx);
707 if (dir_drive) {
708 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
709 } else {
710 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
711 }
712
713 homedir = smbldap_talloc_single_attribute(
714 ldap_state->smbldap_state->ldap_struct,
715 entry,
716 get_userattr_key2string(ldap_state->schema_ver,
717 LDAP_ATTR_HOME_PATH),
718 ctx);
719 if (homedir) {
720 if (expand_explicit) {
721 homedir = talloc_sub_basic(ctx,
722 username,
723 domain,
724 homedir);
725 if (!homedir) {
726 goto fn_exit;
727 }
728 }
729 pdb_set_homedir(sampass, homedir, PDB_SET);
730 } else {
731 pdb_set_homedir(sampass,
732 talloc_sub_basic(ctx, username, domain,
733 lp_logon_home()),
734 PDB_DEFAULT);
735 }
736
737 logon_script = smbldap_talloc_single_attribute(
738 ldap_state->smbldap_state->ldap_struct,
739 entry,
740 get_userattr_key2string(ldap_state->schema_ver,
741 LDAP_ATTR_LOGON_SCRIPT),
742 ctx);
743 if (logon_script) {
744 if (expand_explicit) {
745 logon_script = talloc_sub_basic(ctx,
746 username,
747 domain,
748 logon_script);
749 if (!logon_script) {
750 goto fn_exit;
751 }
752 }
753 pdb_set_logon_script(sampass, logon_script, PDB_SET);
754 } else {
755 pdb_set_logon_script(sampass,
756 talloc_sub_basic(ctx, username, domain,
757 lp_logon_script()),
758 PDB_DEFAULT );
759 }
760
761 profile_path = smbldap_talloc_single_attribute(
762 ldap_state->smbldap_state->ldap_struct,
763 entry,
764 get_userattr_key2string(ldap_state->schema_ver,
765 LDAP_ATTR_PROFILE_PATH),
766 ctx);
767 if (profile_path) {
768 if (expand_explicit) {
769 profile_path = talloc_sub_basic(ctx,
770 username,
771 domain,
772 profile_path);
773 if (!profile_path) {
774 goto fn_exit;
775 }
776 }
777 pdb_set_profile_path(sampass, profile_path, PDB_SET);
778 } else {
779 pdb_set_profile_path(sampass,
780 talloc_sub_basic(ctx, username, domain,
781 lp_logon_path()),
782 PDB_DEFAULT );
783 }
784
785 acct_desc = smbldap_talloc_single_attribute(
786 ldap_state->smbldap_state->ldap_struct,
787 entry,
788 get_userattr_key2string(ldap_state->schema_ver,
789 LDAP_ATTR_DESC),
790 ctx);
791 if (acct_desc) {
792 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
793 }
794
795 workstations = smbldap_talloc_single_attribute(
796 ldap_state->smbldap_state->ldap_struct,
797 entry,
798 get_userattr_key2string(ldap_state->schema_ver,
799 LDAP_ATTR_USER_WKS),
800 ctx);
801 if (workstations) {
802 pdb_set_workstations(sampass, workstations, PDB_SET);
803 }
804
805 munged_dial = smbldap_talloc_single_attribute(
806 ldap_state->smbldap_state->ldap_struct,
807 entry,
808 get_userattr_key2string(ldap_state->schema_ver,
809 LDAP_ATTR_MUNGED_DIAL),
810 ctx);
811 if (munged_dial) {
812 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
813 }
814
815 /* FIXME: hours stuff should be cleaner */
816
817 logon_divs = 168;
818 hours_len = 21;
819 memset(hours, 0xff, hours_len);
820
821 if (ldap_state->is_nds_ldap) {
822 char *user_dn;
823 size_t pwd_len;
824 char clear_text_pw[512];
825
826 /* Make call to Novell eDirectory ldap extension to get clear text password.
827 NOTE: This will only work if we have an SSL connection to eDirectory. */
828 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
829 if (user_dn != NULL) {
830 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
831
832 pwd_len = sizeof(clear_text_pw);
833 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
834 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
835 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
836 TALLOC_FREE(user_dn);
837 return False;
838 }
839 ZERO_STRUCT(smblmpwd);
840 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
841 TALLOC_FREE(user_dn);
842 return False;
843 }
844 ZERO_STRUCT(smbntpwd);
845 use_samba_attrs = False;
846 }
847
848 TALLOC_FREE(user_dn);
849
850 } else {
851 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
852 }
853 }
854
855 if (use_samba_attrs) {
856 temp = smbldap_talloc_single_attribute(
857 ldap_state->smbldap_state->ldap_struct,
858 entry,
859 get_userattr_key2string(ldap_state->schema_ver,
860 LDAP_ATTR_LMPW),
861 ctx);
862 if (temp) {
863 pdb_gethexpwd(temp, smblmpwd);
864 memset((char *)temp, '\0', strlen(temp)+1);
865 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
866 goto fn_exit;
867 }
868 ZERO_STRUCT(smblmpwd);
869 }
870
871 temp = smbldap_talloc_single_attribute(
872 ldap_state->smbldap_state->ldap_struct,
873 entry,
874 get_userattr_key2string(ldap_state->schema_ver,
875 LDAP_ATTR_NTPW),
876 ctx);
877 if (temp) {
878 pdb_gethexpwd(temp, smbntpwd);
879 memset((char *)temp, '\0', strlen(temp)+1);
880 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
881 goto fn_exit;
882 }
883 ZERO_STRUCT(smbntpwd);
884 }
885 }
886
887 pwHistLen = 0;
888
889 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
890 if (pwHistLen > 0){
891 uint8 *pwhist = NULL;
892 int i;
893 char *history_string = talloc_array(ctx, char,
894 MAX_PW_HISTORY_LEN*64);
895
896 if (!history_string) {
897 goto fn_exit;
898 }
899
900 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
901
902 pwhist = talloc_array(ctx, uint8,
903 pwHistLen * PW_HISTORY_ENTRY_LEN);
904 if (pwhist == NULL) {
905 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
906 goto fn_exit;
907 }
908 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
909
910 if (smbldap_get_single_attribute(
911 ldap_state->smbldap_state->ldap_struct,
912 entry,
913 get_userattr_key2string(ldap_state->schema_ver,
914 LDAP_ATTR_PWD_HISTORY),
915 history_string,
916 MAX_PW_HISTORY_LEN*64)) {
917 bool hex_failed = false;
918 for (i = 0; i < pwHistLen; i++){
919 /* Get the 16 byte salt. */
920 if (!pdb_gethexpwd(&history_string[i*64],
921 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
922 hex_failed = true;
923 break;
924 }
925 /* Get the 16 byte MD5 hash of salt+passwd. */
926 if (!pdb_gethexpwd(&history_string[(i*64)+32],
927 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
928 PW_HISTORY_SALT_LEN])) {
929 hex_failed = True;
930 break;
931 }
932 }
933 if (hex_failed) {
934 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
935 username));
936 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
937 }
938 }
939 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
940 goto fn_exit;
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_ACB_INFO),
949 ctx);
950 if (temp) {
951 acct_ctrl = pdb_decode_acct_ctrl(temp);
952
953 if (acct_ctrl == 0) {
954 acct_ctrl |= ACB_NORMAL;
955 }
956
957 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
958 } else {
959 acct_ctrl |= ACB_NORMAL;
960 }
961
962 pdb_set_hours_len(sampass, hours_len, PDB_SET);
963 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
964
965 temp = smbldap_talloc_single_attribute(
966 ldap_state->smbldap_state->ldap_struct,
967 entry,
968 get_userattr_key2string(ldap_state->schema_ver,
969 LDAP_ATTR_BAD_PASSWORD_COUNT),
970 ctx);
971 if (temp) {
972 bad_password_count = (uint32_t) atol(temp);
973 pdb_set_bad_password_count(sampass,
974 bad_password_count, PDB_SET);
975 }
976
977 temp = smbldap_talloc_single_attribute(
978 ldap_state->smbldap_state->ldap_struct,
979 entry,
980 get_userattr_key2string(ldap_state->schema_ver,
981 LDAP_ATTR_BAD_PASSWORD_TIME),
982 ctx);
983 if (temp) {
984 bad_password_time = (time_t) atol(temp);
985 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
986 }
987
988
989 temp = smbldap_talloc_single_attribute(
990 ldap_state->smbldap_state->ldap_struct,
991 entry,
992 get_userattr_key2string(ldap_state->schema_ver,
993 LDAP_ATTR_LOGON_COUNT),
994 ctx);
995 if (temp) {
996 logon_count = (uint32_t) atol(temp);
997 pdb_set_logon_count(sampass, logon_count, PDB_SET);
998 }
999
1000 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1001
1002 temp = smbldap_talloc_single_attribute(
1003 ldap_state->smbldap_state->ldap_struct,
1004 entry,
1005 get_userattr_key2string(ldap_state->schema_ver,
1006 LDAP_ATTR_LOGON_HOURS),
1007 ctx);
1008 if (temp) {
1009 pdb_gethexhours(temp, hours);
1010 memset((char *)temp, '\0', strlen(temp) +1);
1011 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1012 ZERO_STRUCT(hours);
1013 }
1014
1015 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1016 struct passwd unix_pw;
1017 bool have_uid = false;
1018 bool have_gid = false;
1019 struct dom_sid mapped_gsid;
1020 const struct dom_sid *primary_gsid;
1021
1022 ZERO_STRUCT(unix_pw);
1023
1024 unix_pw.pw_name = username;
1025 unix_pw.pw_passwd = discard_const_p(char, "x");
1026
1027 temp = smbldap_talloc_single_attribute(
1028 priv2ld(ldap_state),
1029 entry,
1030 "uidNumber",
1031 ctx);
1032 if (temp) {
1033 /* We've got a uid, feed the cache */
1034 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1035 have_uid = true;
1036 }
1037 temp = smbldap_talloc_single_attribute(
1038 priv2ld(ldap_state),
1039 entry,
1040 "gidNumber",
1041 ctx);
1042 if (temp) {
1043 /* We've got a uid, feed the cache */
1044 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1045 have_gid = true;
1046 }
1047 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1048 priv2ld(ldap_state),
1049 entry,
1050 "gecos",
1051 ctx);
1052 if (unix_pw.pw_gecos) {
1053 unix_pw.pw_gecos = fullname;
1054 }
1055 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1056 priv2ld(ldap_state),
1057 entry,
1058 "homeDirectory",
1059 ctx);
1060 if (unix_pw.pw_dir) {
1061 unix_pw.pw_dir = discard_const_p(char, "");
1062 }
1063 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1064 priv2ld(ldap_state),
1065 entry,
1066 "loginShell",
1067 ctx);
1068 if (unix_pw.pw_shell) {
1069 unix_pw.pw_shell = discard_const_p(char, "");
1070 }
1071
1072 if (have_uid && have_gid) {
1073 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1074 } else {
1075 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1076 }
1077
1078 if (sampass->unix_pw == NULL) {
1079 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1080 pdb_get_username(sampass)));
1081 goto fn_exit;
1082 }
1083
1084 store_uid_sid_cache(pdb_get_user_sid(sampass),
1085 sampass->unix_pw->pw_uid);
1086 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1087 sampass->unix_pw->pw_uid);
1088
1089 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1090 primary_gsid = pdb_get_group_sid(sampass);
1091 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1092 store_gid_sid_cache(primary_gsid,
1093 sampass->unix_pw->pw_gid);
1094 idmap_cache_set_sid2gid(primary_gsid,
1095 sampass->unix_pw->pw_gid);
1096 }
1097 }
1098
1099 /* check the timestamp of the cache vs ldap entry */
1100 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1101 entry))) {
1102 ret = true;
1103 goto fn_exit;
1104 }
1105
1106 /* see if we have newer updates */
1107 if (!login_cache_read(sampass, &cache_entry)) {
1108 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1109 (unsigned int)pdb_get_bad_password_count(sampass),
1110 (unsigned int)pdb_get_bad_password_time(sampass)));
1111 ret = true;
1112 goto fn_exit;
1113 }
1114
1115 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1116 (unsigned int)ldap_entry_time,
1117 (unsigned int)cache_entry.entry_timestamp,
1118 (unsigned int)cache_entry.bad_password_time));
1119
1120 if (ldap_entry_time > cache_entry.entry_timestamp) {
1121 /* cache is older than directory , so
1122 we need to delete the entry but allow the
1123 fields to be written out */
1124 login_cache_delentry(sampass);
1125 } else {
1126 /* read cache in */
1127 pdb_set_acct_ctrl(sampass,
1128 pdb_get_acct_ctrl(sampass) |
1129 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1130 PDB_SET);
1131 pdb_set_bad_password_count(sampass,
1132 cache_entry.bad_password_count,
1133 PDB_SET);
1134 pdb_set_bad_password_time(sampass,
1135 cache_entry.bad_password_time,
1136 PDB_SET);
1137 }
1138
1139 ret = true;
1140
1141 fn_exit:
1142
1143 TALLOC_FREE(ctx);
1144 return ret;
1145 }
1146
1147 /**********************************************************************
1148 Initialize the ldap db from a struct samu. Called on update.
1149 (Based on init_buffer_from_sam in pdb_tdb.c)
1150 *********************************************************************/
1151
1152 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1153 LDAPMessage *existing,
1154 LDAPMod *** mods, struct samu * sampass,
1155 bool (*need_update)(const struct samu *,
1156 enum pdb_elements))
1157 {
1158 char *temp = NULL;
1159 uint32_t rid;
1160
1161 if (mods == NULL || sampass == NULL) {
1162 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1163 return False;
1164 }
1165
1166 *mods = NULL;
1167
1168 /*
1169 * took out adding "objectclass: sambaAccount"
1170 * do this on a per-mod basis
1171 */
1172 if (need_update(sampass, PDB_USERNAME)) {
1173 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1174 "uid", pdb_get_username(sampass));
1175 if (ldap_state->is_nds_ldap) {
1176 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1177 "cn", pdb_get_username(sampass));
1178 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1179 "sn", pdb_get_username(sampass));
1180 }
1181 }
1182
1183 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1184
1185 /* only update the RID if we actually need to */
1186 if (need_update(sampass, PDB_USERSID)) {
1187 fstring sid_string;
1188 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1189
1190 switch ( ldap_state->schema_ver ) {
1191 case SCHEMAVER_SAMBAACCOUNT:
1192 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1193 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1194 sid_string_dbg(user_sid),
1195 sid_string_dbg(
1196 &ldap_state->domain_sid)));
1197 return False;
1198 }
1199 if (asprintf(&temp, "%i", rid) < 0) {
1200 return false;
1201 }
1202 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1203 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1204 temp);
1205 SAFE_FREE(temp);
1206 break;
1207
1208 case SCHEMAVER_SAMBASAMACCOUNT:
1209 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1210 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1211 sid_to_fstring(sid_string, user_sid));
1212 break;
1213
1214 default:
1215 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1216 break;
1217 }
1218 }
1219
1220 /* we don't need to store the primary group RID - so leaving it
1221 'free' to hang off the unix primary group makes life easier */
1222
1223 if (need_update(sampass, PDB_GROUPSID)) {
1224 fstring sid_string;
1225 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1226
1227 switch ( ldap_state->schema_ver ) {
1228 case SCHEMAVER_SAMBAACCOUNT:
1229 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1230 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1231 sid_string_dbg(group_sid),
1232 sid_string_dbg(
1233 &ldap_state->domain_sid)));
1234 return False;
1235 }
1236
1237 if (asprintf(&temp, "%i", rid) < 0) {
1238 return false;
1239 }
1240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1241 get_userattr_key2string(ldap_state->schema_ver,
1242 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1243 SAFE_FREE(temp);
1244 break;
1245
1246 case SCHEMAVER_SAMBASAMACCOUNT:
1247 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1248 get_userattr_key2string(ldap_state->schema_ver,
1249 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1250 break;
1251
1252 default:
1253 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1254 break;
1255 }
1256
1257 }
1258
1259 /* displayName, cn, and gecos should all be the same
1260 * most easily accomplished by giving them the same OID
1261 * gecos isn't set here b/c it should be handled by the
1262 * add-user script
1263 * We change displayName only and fall back to cn if
1264 * it does not exist.
1265 */
1266
1267 if (need_update(sampass, PDB_FULLNAME))
1268 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1269 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1270 pdb_get_fullname(sampass));
1271
1272 if (need_update(sampass, PDB_ACCTDESC))
1273 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1274 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1275 pdb_get_acct_desc(sampass));
1276
1277 if (need_update(sampass, PDB_WORKSTATIONS))
1278 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1279 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1280 pdb_get_workstations(sampass));
1281
1282 if (need_update(sampass, PDB_MUNGEDDIAL))
1283 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1284 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1285 pdb_get_munged_dial(sampass));
1286
1287 if (need_update(sampass, PDB_SMBHOME))
1288 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1289 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1290 pdb_get_homedir(sampass));
1291
1292 if (need_update(sampass, PDB_DRIVE))
1293 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1294 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1295 pdb_get_dir_drive(sampass));
1296
1297 if (need_update(sampass, PDB_LOGONSCRIPT))
1298 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1299 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1300 pdb_get_logon_script(sampass));
1301
1302 if (need_update(sampass, PDB_PROFILE))
1303 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1304 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1305 pdb_get_profile_path(sampass));
1306
1307 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1308 return false;
1309 }
1310 if (need_update(sampass, PDB_LOGONTIME))
1311 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1312 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1313 SAFE_FREE(temp);
1314
1315 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1316 return false;
1317 }
1318 if (need_update(sampass, PDB_LOGOFFTIME))
1319 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1320 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1321 SAFE_FREE(temp);
1322
1323 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1324 return false;
1325 }
1326 if (need_update(sampass, PDB_KICKOFFTIME))
1327 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1328 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1329 SAFE_FREE(temp);
1330
1331 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1332 return false;
1333 }
1334 if (need_update(sampass, PDB_CANCHANGETIME))
1335 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1336 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1337 SAFE_FREE(temp);
1338
1339 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1340 return false;
1341 }
1342 if (need_update(sampass, PDB_MUSTCHANGETIME))
1343 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1344 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1345 SAFE_FREE(temp);
1346
1347 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1348 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1349
1350 if (need_update(sampass, PDB_LMPASSWD)) {
1351 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1352 if (lm_pw) {
1353 char pwstr[34];
1354 pdb_sethexpwd(pwstr, lm_pw,
1355 pdb_get_acct_ctrl(sampass));
1356 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1357 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1358 pwstr);
1359 } else {
1360 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1361 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1362 NULL);
1363 }
1364 }
1365 if (need_update(sampass, PDB_NTPASSWD)) {
1366 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1367 if (nt_pw) {
1368 char pwstr[34];
1369 pdb_sethexpwd(pwstr, nt_pw,
1370 pdb_get_acct_ctrl(sampass));
1371 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1372 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1373 pwstr);
1374 } else {
1375 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1376 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1377 NULL);
1378 }
1379 }
1380
1381 if (need_update(sampass, PDB_PWHISTORY)) {
1382 char *pwstr = NULL;
1383 uint32_t pwHistLen = 0;
1384 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1385
1386 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1387 if (!pwstr) {
1388 return false;
1389 }
1390 if (pwHistLen == 0) {
1391 /* Remove any password history from the LDAP store. */
1392 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1393 pwstr[64] = '\0';
1394 } else {
1395 int i;
1396 uint32_t currHistLen = 0;
1397 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1398 if (pwhist != NULL) {
1399 /* We can only store (1024-1/64 password history entries. */
1400 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1401 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1402 /* Store the salt. */
1403 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1404 /* Followed by the md5 hash of salt + md4 hash */
1405 pdb_sethexpwd(&pwstr[(i*64)+32],
1406 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1407 DEBUG(100, ("pwstr=%s\n", pwstr));
1408 }
1409 }
1410 }
1411 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1412 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1413 pwstr);
1414 SAFE_FREE(pwstr);
1415 }
1416
1417 if (need_update(sampass, PDB_PASSLASTSET)) {
1418 if (asprintf(&temp, "%li",
1419 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1420 return false;
1421 }
1422 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1423 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1424 temp);
1425 SAFE_FREE(temp);
1426 }
1427 }
1428
1429 if (need_update(sampass, PDB_HOURS)) {
1430 const uint8 *hours = pdb_get_hours(sampass);
1431 if (hours) {
1432 char hourstr[44];
1433 pdb_sethexhours(hourstr, hours);
1434 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1435 existing,
1436 mods,
1437 get_userattr_key2string(ldap_state->schema_ver,
1438 LDAP_ATTR_LOGON_HOURS),
1439 hourstr);
1440 }
1441 }
1442
1443 if (need_update(sampass, PDB_ACCTCTRL))
1444 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1445 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1446 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1447
1448 /* password lockout cache:
1449 - If we are now autolocking or clearing, we write to ldap
1450 - If we are clearing, we delete the cache entry
1451 - If the count is > 0, we update the cache
1452
1453 This even means when autolocking, we cache, just in case the
1454 update doesn't work, and we have to cache the autolock flag */
1455
1456 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1457 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1458 uint16_t badcount = pdb_get_bad_password_count(sampass);
1459 time_t badtime = pdb_get_bad_password_time(sampass);
1460 uint32_t pol;
1461 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1462
1463 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1464 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1465
1466 if ((badcount >= pol) || (badcount == 0)) {
1467 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1468 (unsigned int)badcount, (unsigned int)badtime));
1469 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1470 return false;
1471 }
1472 smbldap_make_mod(
1473 ldap_state->smbldap_state->ldap_struct,
1474 existing, mods,
1475 get_userattr_key2string(
1476 ldap_state->schema_ver,
1477 LDAP_ATTR_BAD_PASSWORD_COUNT),
1478 temp);
1479 SAFE_FREE(temp);
1480
1481 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1482 return false;
1483 }
1484 smbldap_make_mod(
1485 ldap_state->smbldap_state->ldap_struct,
1486 existing, mods,
1487 get_userattr_key2string(
1488 ldap_state->schema_ver,
1489 LDAP_ATTR_BAD_PASSWORD_TIME),
1490 temp);
1491 SAFE_FREE(temp);
1492 }
1493 if (badcount == 0) {
1494 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1495 login_cache_delentry(sampass);
1496 } else {
1497 struct login_cache cache_entry;
1498
1499 cache_entry.entry_timestamp = time(NULL);
1500 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1501 cache_entry.bad_password_count = badcount;
1502 cache_entry.bad_password_time = badtime;
1503
1504 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1505 login_cache_write(sampass, &cache_entry);
1506 }
1507 }
1508
1509 return True;
1510 }
1511
1512 /**********************************************************************
1513 End enumeration of the LDAP password list.
1514 *********************************************************************/
1515
1516 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1517 {
1518 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1519 if (ldap_state->result) {
1520 ldap_msgfree(ldap_state->result);
1521 ldap_state->result = NULL;
1522 }
1523 }
1524
1525 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1526 const char *new_attr)
1527 {
1528 int i;
1529
1530 if (new_attr == NULL) {
1531 return;
1532 }
1533
1534 for (i=0; (*attr_list)[i] != NULL; i++) {
1535 ;
1536 }
1537
1538 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1539 const char *, i+2);
1540 SMB_ASSERT((*attr_list) != NULL);
1541 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1542 (*attr_list)[i+1] = NULL;
1543 }
1544
1545 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1546 const char ***attr_list)
1547 {
1548 append_attr(mem_ctx, attr_list, "uidNumber");
1549 append_attr(mem_ctx, attr_list, "gidNumber");
1550 append_attr(mem_ctx, attr_list, "homeDirectory");
1551 append_attr(mem_ctx, attr_list, "loginShell");
1552 append_attr(mem_ctx, attr_list, "gecos");
1553 }
1554
1555 /**********************************************************************
1556 Get struct samu entry from LDAP by username.
1557 *********************************************************************/
1558
1559 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1560 {
1561 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1562 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1563 LDAPMessage *result = NULL;
1564 LDAPMessage *entry = NULL;
1565 int count;
1566 const char ** attr_list;
1567 int rc;
1568
1569 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1570 append_attr(user, &attr_list,
1571 get_userattr_key2string(ldap_state->schema_ver,
1572 LDAP_ATTR_MOD_TIMESTAMP));
1573 ldapsam_add_unix_attributes(user, &attr_list);
1574 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1575 attr_list);
1576 TALLOC_FREE( attr_list );
1577
1578 if ( rc != LDAP_SUCCESS )
1579 return NT_STATUS_NO_SUCH_USER;
1580
1581 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1582
1583 if (count < 1) {
1584 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1585 ldap_msgfree(result);
1586 return NT_STATUS_NO_SUCH_USER;
1587 } else if (count > 1) {
1588 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1589 ldap_msgfree(result);
1590 return NT_STATUS_NO_SUCH_USER;
1591 }
1592
1593 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1594 if (entry) {
1595 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1596 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1597 ldap_msgfree(result);
1598 return NT_STATUS_NO_SUCH_USER;
1599 }
1600 pdb_set_backend_private_data(user, result, NULL,
1601 my_methods, PDB_CHANGED);
1602 talloc_autofree_ldapmsg(user, result);
1603 ret = NT_STATUS_OK;
1604 } else {
1605 ldap_msgfree(result);
1606 }
1607 return ret;
1608 }
1609
1610 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1611 const struct dom_sid *sid, LDAPMessage **result)
1612 {
1613 int rc = -1;
1614 const char ** attr_list;
1615 uint32_t rid;
1616
1617 switch ( ldap_state->schema_ver ) {
1618 case SCHEMAVER_SAMBASAMACCOUNT: {
1619 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1620 if (tmp_ctx == NULL) {
1621 return LDAP_NO_MEMORY;
1622 }
1623
1624 attr_list = get_userattr_list(tmp_ctx,
1625 ldap_state->schema_ver);
1626 append_attr(tmp_ctx, &attr_list,
1627 get_userattr_key2string(
1628 ldap_state->schema_ver,
1629 LDAP_ATTR_MOD_TIMESTAMP));
1630 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1631 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1632 result, attr_list);
1633 TALLOC_FREE(tmp_ctx);
1634
1635 if ( rc != LDAP_SUCCESS )
1636 return rc;
1637 break;
1638 }
1639
1640 case SCHEMAVER_SAMBAACCOUNT:
1641 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1642 return rc;
1643 }
1644
1645 attr_list = get_userattr_list(NULL,
1646 ldap_state->schema_ver);
1647 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1648 TALLOC_FREE( attr_list );
1649
1650 if ( rc != LDAP_SUCCESS )
1651 return rc;
1652 break;
1653 }
1654 return rc;
1655 }
1656
1657 /**********************************************************************
1658 Get struct samu entry from LDAP by SID.
1659 *********************************************************************/
1660
1661 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1662 {
1663 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1664 LDAPMessage *result = NULL;
1665 LDAPMessage *entry = NULL;
1666 int count;
1667 int rc;
1668
1669 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1670 sid, &result);
1671 if (rc != LDAP_SUCCESS)
1672 return NT_STATUS_NO_SUCH_USER;
1673
1674 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1675
1676 if (count < 1) {
1677 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1678 "count=%d\n", sid_string_dbg(sid), count));
1679 ldap_msgfree(result);
1680 return NT_STATUS_NO_SUCH_USER;
1681 } else if (count > 1) {
1682 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1683 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1684 count));
1685 ldap_msgfree(result);
1686 return NT_STATUS_NO_SUCH_USER;
1687 }
1688
1689 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1690 if (!entry) {
1691 ldap_msgfree(result);
1692 return NT_STATUS_NO_SUCH_USER;
1693 }
1694
1695 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1696 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1697 ldap_msgfree(result);
1698 return NT_STATUS_NO_SUCH_USER;
1699 }
1700
1701 pdb_set_backend_private_data(user, result, NULL,
1702 my_methods, PDB_CHANGED);
1703 talloc_autofree_ldapmsg(user, result);
1704 return NT_STATUS_OK;
1705 }
1706
1707 /********************************************************************
1708 Do the actual modification - also change a plaintext passord if
1709 it it set.
1710 **********************************************************************/
1711
1712 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1713 struct samu *newpwd, char *dn,
1714 LDAPMod **mods, int ldap_op,
1715 bool (*need_update)(const struct samu *, enum pdb_elements))
1716 {
1717 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1718 int rc;
1719
1720 if (!newpwd || !dn) {
1721 return NT_STATUS_INVALID_PARAMETER;
1722 }
1723
1724 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1725 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1726 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1727 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1728 BerElement *ber;
1729 struct berval *bv;
1730 char *retoid = NULL;
1731 struct berval *retdata = NULL;
1732 char *utf8_password;
1733 char *utf8_dn;
1734 size_t converted_size;
1735 int ret;
1736
1737 if (!ldap_state->is_nds_ldap) {
1738
1739 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1740 LDAP_EXOP_MODIFY_PASSWD)) {
1741 DEBUG(2, ("ldap password change requested, but LDAP "
1742 "server does not support it -- ignoring\n"));
1743 return NT_STATUS_OK;
1744 }
1745 }
1746
1747 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1748 pdb_get_plaintext_passwd(newpwd),
1749 &converted_size))
1750 {
1751 return NT_STATUS_NO_MEMORY;
1752 }
1753
1754 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1755 TALLOC_FREE(utf8_password);
1756 return NT_STATUS_NO_MEMORY;
1757 }
1758
1759 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1760 DEBUG(0,("ber_alloc_t returns NULL\n"));
1761 TALLOC_FREE(utf8_password);
1762 TALLOC_FREE(utf8_dn);
1763 return NT_STATUS_UNSUCCESSFUL;
1764 }
1765
1766 if ((ber_printf (ber, "{") < 0) ||
1767 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1768 utf8_dn) < 0)) {
1769 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1770 "value <0\n"));
1771 ber_free(ber,1);
1772 TALLOC_FREE(utf8_dn);
1773 TALLOC_FREE(utf8_password);
1774 return NT_STATUS_UNSUCCESSFUL;
1775 }
1776
1777 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1778 ret = ber_printf(ber, "ts}",
1779 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1780 utf8_password);
1781 } else {
1782 ret = ber_printf(ber, "}");
1783 }
1784
1785 if (ret < 0) {
1786 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1787 "value <0\n"));
1788 ber_free(ber,1);
1789 TALLOC_FREE(utf8_dn);
1790 TALLOC_FREE(utf8_password);
1791 return NT_STATUS_UNSUCCESSFUL;
1792 }
1793
1794 if ((rc = ber_flatten (ber, &bv))<0) {
1795 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1796 ber_free(ber,1);
1797 TALLOC_FREE(utf8_dn);
1798 TALLOC_FREE(utf8_password);
1799 return NT_STATUS_UNSUCCESSFUL;
1800 }
1801
1802 TALLOC_FREE(utf8_dn);
1803 TALLOC_FREE(utf8_password);
1804 ber_free(ber, 1);
1805
1806 if (!ldap_state->is_nds_ldap) {
1807 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1808 LDAP_EXOP_MODIFY_PASSWD,
1809 bv, NULL, NULL, &retoid,
1810 &retdata);
1811 } else {
1812 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1813 pdb_get_plaintext_passwd(newpwd));
1814 }
1815 if (rc != LDAP_SUCCESS) {
1816 char *ld_error = NULL;
1817
1818 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1819 DEBUG(3, ("Could not set userPassword "
1820 "attribute due to an objectClass "
1821 "violation -- ignoring\n"));
1822 ber_bvfree(bv);
1823 return NT_STATUS_OK;
1824 }
1825
1826 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1827 &ld_error);
1828 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1829 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1830 SAFE_FREE(ld_error);
1831 ber_bvfree(bv);
1832 #if defined(LDAP_CONSTRAINT_VIOLATION)
1833 if (rc == LDAP_CONSTRAINT_VIOLATION)
1834 return NT_STATUS_PASSWORD_RESTRICTION;
1835 #endif
1836 return NT_STATUS_UNSUCCESSFUL;
1837 } else {
1838 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1839 #ifdef DEBUG_PASSWORD
1840 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1841 #endif
1842 if (retdata)
1843 ber_bvfree(retdata);
1844 if (retoid)
1845 ldap_memfree(retoid);
1846 }
1847 ber_bvfree(bv);
1848 }
1849
1850 if (!mods) {
1851 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1852 /* may be password change below however */
1853 } else {
1854 switch(ldap_op) {
1855 case LDAP_MOD_ADD:
1856 if (ldap_state->is_nds_ldap) {
1857 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1858 "objectclass",
1859 "inetOrgPerson");
1860 } else {
1861 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1862 "objectclass",
1863 LDAP_OBJ_ACCOUNT);
1864 }
1865 rc = smbldap_add(ldap_state->smbldap_state,
1866 dn, mods);
1867 break;
1868 case LDAP_MOD_REPLACE:
1869 rc = smbldap_modify(ldap_state->smbldap_state,
1870 dn ,mods);
1871 break;
1872 default:
1873 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1874 ldap_op));
1875 return NT_STATUS_INVALID_PARAMETER;
1876 }
1877
1878 if (rc!=LDAP_SUCCESS) {
1879 return NT_STATUS_UNSUCCESSFUL;
1880 }
1881 }
1882
1883 return NT_STATUS_OK;
1884 }
1885
1886 /**********************************************************************
1887 Delete entry from LDAP for username.
1888 *********************************************************************/
1889
1890 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1891 struct samu * sam_acct)
1892 {
1893 struct ldapsam_privates *priv =
1894 (struct ldapsam_privates *)my_methods->private_data;
1895 const char *sname;
1896 int rc;
1897 LDAPMessage *msg, *entry;
1898 NTSTATUS result = NT_STATUS_NO_MEMORY;
1899 const char **attr_list;
1900 TALLOC_CTX *mem_ctx;
1901
1902 if (!sam_acct) {
1903 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1904 return NT_STATUS_INVALID_PARAMETER;
1905 }
1906
1907 sname = pdb_get_username(sam_acct);
1908
1909 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1910 "LDAP.\n", sname));
1911
1912 mem_ctx = talloc_new(NULL);
1913 if (mem_ctx == NULL) {
1914 DEBUG(0, ("talloc_new failed\n"));
1915 goto done;
1916 }
1917
1918 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1919 if (attr_list == NULL) {
1920 goto done;
1921 }
1922
1923 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1924
1925 if ((rc != LDAP_SUCCESS) ||
1926 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1927 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1928 DEBUG(5, ("Could not find user %s\n", sname));
1929 result = NT_STATUS_NO_SUCH_USER;
1930 goto done;
1931 }
1932
1933 rc = ldapsam_delete_entry(
1934 priv, mem_ctx, entry,
1935 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1936 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1937 attr_list);
1938
1939 result = (rc == LDAP_SUCCESS) ?
1940 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1941
1942 done:
1943 TALLOC_FREE(mem_ctx);
1944 return result;
1945 }
1946
1947 /**********************************************************************
1948 Update struct samu.
1949 *********************************************************************/
1950
1951 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1952 {
1953 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1954 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1955 int rc = 0;
1956 char *dn;
1957 LDAPMessage *result = NULL;
1958 LDAPMessage *entry = NULL;
1959 LDAPMod **mods = NULL;
1960 const char **attr_list;
1961
1962 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1963 if (!result) {
1964 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1965 if (pdb_get_username(newpwd) == NULL) {
1966 return NT_STATUS_INVALID_PARAMETER;
1967 }
1968 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1969 TALLOC_FREE( attr_list );
1970 if (rc != LDAP_SUCCESS) {
1971 return NT_STATUS_UNSUCCESSFUL;
1972 }
1973 pdb_set_backend_private_data(newpwd, result, NULL,
1974 my_methods, PDB_CHANGED);
1975 talloc_autofree_ldapmsg(newpwd, result);
1976 }
1977
1978 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1979 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1980 return NT_STATUS_UNSUCCESSFUL;
1981 }
1982
1983 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1984 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
1985 if (!dn) {
1986 return NT_STATUS_UNSUCCESSFUL;
1987 }
1988
1989 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1990
1991 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1992 pdb_element_is_changed)) {
1993 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1994 TALLOC_FREE(dn);
1995 if (mods != NULL)
1996 ldap_mods_free(mods,True);
1997 return NT_STATUS_UNSUCCESSFUL;
1998 }
1999
2000 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2001 && (mods == NULL)) {
2002 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2003 pdb_get_username(newpwd)));
2004 TALLOC_FREE(dn);
2005 return NT_STATUS_OK;
2006 }
2007
2008 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
2009
2010 if (mods != NULL) {
2011 ldap_mods_free(mods,True);
2012 }
2013
2014 TALLOC_FREE(dn);
2015
2016 /*
2017 * We need to set the backend private data to NULL here. For example
2018 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2019 * same one, and with the explicit delete / add logic for attribute
2020 * values the second time we would use the wrong "old" value which
2021 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2022 * the update.
2023 * The existing LDAPMessage is still being auto-freed by the
2024 * destructor.
2025 */
2026 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2027 PDB_CHANGED);
2028
2029 if (!NT_STATUS_IS_OK(ret)) {
2030 return ret;
2031 }
2032
2033 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2034 pdb_get_username(newpwd)));
2035 return NT_STATUS_OK;
2036 }
2037
2038 /***************************************************************************
2039 Renames a struct samu
2040 - The "rename user script" has full responsibility for changing everything
2041 ***************************************************************************/
2042
2043 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2044 TALLOC_CTX *tmp_ctx,
2045 uint32_t group_rid,
2046 uint32_t member_rid);
2047
2048 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2049 TALLOC_CTX *mem_ctx,
2050 struct samu *user,
2051 struct dom_sid **pp_sids,
2052 gid_t **pp_gids,
2053 uint32_t *p_num_groups);
2054
2055 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2056 struct samu *old_acct,
2057 const char *newname)
2058 {
2059 const char *oldname;
2060 int rc;
2061 char *rename_script = NULL;
2062 fstring oldname_lower, newname_lower;
2063
2064 if (!old_acct) {
2065 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2066 return NT_STATUS_INVALID_PARAMETER;
2067 }
2068 if (!newname) {
2069 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2070 return NT_STATUS_INVALID_PARAMETER;
2071 }
2072
2073 oldname = pdb_get_username(old_acct);
2074
2075 /* rename the posix user */
2076 rename_script = SMB_STRDUP(lp_renameuser_script());
2077 if (rename_script == NULL) {
2078 return NT_STATUS_NO_MEMORY;
2079 }
2080
2081 if (!(*rename_script)) {
2082 SAFE_FREE(rename_script);
2083 return NT_STATUS_ACCESS_DENIED;
2084 }
2085
2086 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2087 oldname, newname));
2088
2089 /* We have to allow the account name to end with a '$'.
2090 Also, follow the semantics in _samr_create_user() and lower case the
2091 posix name but preserve the case in passdb */
2092
2093 fstrcpy( oldname_lower, oldname );
2094 strlower_m( oldname_lower );
2095 fstrcpy( newname_lower, newname );
2096 strlower_m( newname_lower );
2097 rename_script = realloc_string_sub2(rename_script,
2098 "%unew",
2099 newname_lower,
2100 true,
2101 true);
2102 if (!rename_script) {
2103 return NT_STATUS_NO_MEMORY;
2104 }
2105 rename_script = realloc_string_sub2(rename_script,
2106 "%uold",
2107 oldname_lower,
2108 true,
2109 true);
2110 rc = smbrun(rename_script, NULL);
2111
2112 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2113 rename_script, rc));
2114
2115 SAFE_FREE(rename_script);
2116
2117 if (rc == 0) {
2118 smb_nscd_flush_user_cache();
2119 }
2120
2121 if (rc)
2122 return NT_STATUS_UNSUCCESSFUL;
2123
2124 return NT_STATUS_OK;
2125 }
2126
2127 /**********************************************************************
2128 Add struct samu to LDAP.
2129 *********************************************************************/
2130
2131 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2132 {
2133 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2134 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2135 int rc;
2136 LDAPMessage *result = NULL;
2137 LDAPMessage *entry = NULL;
2138 LDAPMod **mods = NULL;
2139 int ldap_op = LDAP_MOD_REPLACE;
2140 uint32_t num_result;
2141 const char **attr_list;
2142 char *escape_user = NULL;
2143 const char *username = pdb_get_username(newpwd);
2144 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2145 char *filter = NULL;
2146 char *dn = NULL;
2147 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2148 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2149
2150 if (!ctx) {
2151 return NT_STATUS_NO_MEMORY;
2152 }
2153
2154 if (!username || !*username) {
2155 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2156 status = NT_STATUS_INVALID_PARAMETER;
2157 goto fn_exit;
2158 }
2159
2160 /* free this list after the second search or in case we exit on failure */
2161 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2162
2163 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2164
2165 if (rc != LDAP_SUCCESS) {
2166 goto fn_exit;
2167 }
2168
2169 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2170 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2171 username));
2172 goto fn_exit;
2173 }
2174 ldap_msgfree(result);
2175 result = NULL;
2176
2177 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2178 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2179 sid, &result);
2180 if (rc == LDAP_SUCCESS) {
2181 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2182 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2183 "already in the base, with samba "
2184 "attributes\n", sid_string_dbg(sid)));
2185 goto fn_exit;
2186 }
2187 ldap_msgfree(result);
2188 result = NULL;
2189 }
2190 }
2191
2192 /* does the entry already exist but without a samba attributes?
2193 we need to return the samba attributes here */
2194
2195 escape_user = escape_ldap_string(talloc_tos(), username);
2196 filter = talloc_strdup(attr_list, "(uid=%u)");
2197 if (!filter) {
2198 status = NT_STATUS_NO_MEMORY;
2199 goto fn_exit;
2200 }
2201 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2202 TALLOC_FREE(escape_user);
2203 if (!filter) {
2204 status = NT_STATUS_NO_MEMORY;
2205 goto fn_exit;
2206 }
2207
2208 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2209 filter, attr_list, &result);
2210 if ( rc != LDAP_SUCCESS ) {
2211 goto fn_exit;
2212 }
2213
2214 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2215
2216 if (num_result > 1) {
2217 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2218 goto fn_exit;
2219 }
2220
2221 /* Check if we need to update an existing entry */
2222 if (num_result == 1) {
2223 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2224 ldap_op = LDAP_MOD_REPLACE;
2225 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2226 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2227 if (!dn) {
2228 status = NT_STATUS_NO_MEMORY;
2229 goto fn_exit;
2230 }
2231
2232 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2233
2234 /* There might be a SID for this account already - say an idmap entry */
2235
2236 filter = talloc_asprintf(ctx,
2237 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2238 get_userattr_key2string(ldap_state->schema_ver,
2239 LDAP_ATTR_USER_SID),
2240 sid_string_talloc(ctx, sid),
2241 LDAP_OBJ_IDMAP_ENTRY,
2242 LDAP_OBJ_SID_ENTRY);
2243 if (!filter) {
2244 status = NT_STATUS_NO_MEMORY;
2245 goto fn_exit;
2246 }
2247
2248 /* free old result before doing a new search */
2249 if (result != NULL) {
2250 ldap_msgfree(result);
2251 result = NULL;
2252 }
2253 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2254 filter, attr_list, &result);
2255
2256 if ( rc != LDAP_SUCCESS ) {
2257 goto fn_exit;
2258 }
2259
2260 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2261
2262 if (num_result > 1) {
2263 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2264 goto fn_exit;
2265 }
2266
2267 /* Check if we need to update an existing entry */
2268 if (num_result == 1) {
2269
2270 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2271 ldap_op = LDAP_MOD_REPLACE;
2272 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2273 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2274 if (!dn) {
2275 status = NT_STATUS_NO_MEMORY;
2276 goto fn_exit;
2277 }
2278 }
2279 }
2280
2281 if (num_result == 0) {
2282 char *escape_username;
2283 /* Check if we need to add an entry */
2284 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2285 ldap_op = LDAP_MOD_ADD;
2286
2287 escape_username = escape_rdn_val_string_alloc(username);
2288 if (!escape_username) {
2289 status = NT_STATUS_NO_MEMORY;
2290 goto fn_exit;
2291 }
2292
2293 if (username[strlen(username)-1] == '$') {
2294 dn = talloc_asprintf(ctx,
2295 "uid=%s,%s",
2296 escape_username,
2297 lp_ldap_machine_suffix());
2298 } else {
2299 dn = talloc_asprintf(ctx,
2300 "uid=%s,%s",
2301 escape_username,
2302 lp_ldap_user_suffix());
2303 }
2304
2305 SAFE_FREE(escape_username);
2306 if (!dn) {
2307 status = NT_STATUS_NO_MEMORY;
2308 goto fn_exit;
2309 }
2310 }
2311
2312 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2313 pdb_element_is_set_or_changed)) {
2314 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2315 if (mods != NULL) {
2316 ldap_mods_free(mods, true);
2317 }
2318 goto fn_exit;
2319 }
2320
2321 if (mods == NULL) {
2322 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2323 goto fn_exit;
2324 }
2325 switch ( ldap_state->schema_ver ) {
2326 case SCHEMAVER_SAMBAACCOUNT:
2327 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2328 break;
2329 case SCHEMAVER_SAMBASAMACCOUNT:
2330 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2331 break;
2332 default:
2333 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2334 break;
2335 }
2336
2337 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2338 if (!NT_STATUS_IS_OK(ret)) {
2339 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2340 pdb_get_username(newpwd),dn));
2341 ldap_mods_free(mods, true);
2342 goto fn_exit;
2343 }
2344
2345 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2346 ldap_mods_free(mods, true);
2347
2348 status = NT_STATUS_OK;
2349
2350 fn_exit:
2351
2352 TALLOC_FREE(ctx);
2353 if (result) {
2354 ldap_msgfree(result);
2355 }
2356 return status;
2357 }
2358
2359 /**********************************************************************
2360 *********************************************************************/
2361
2362 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2363 const char *filter,
2364 LDAPMessage ** result)
2365 {
2366 int scope = LDAP_SCOPE_SUBTREE;
2367 int rc;
2368 const char **attr_list;
2369
2370 attr_list = get_attr_list(NULL, groupmap_attr_list);
2371 rc = smbldap_search(ldap_state->smbldap_state,
2372 lp_ldap_suffix (), scope,
2373 filter, attr_list, 0, result);
2374 TALLOC_FREE(attr_list);
2375
2376 return rc;
2377 }
2378
2379 /**********************************************************************
2380 *********************************************************************/
2381
2382 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2383 GROUP_MAP *map, LDAPMessage *entry)
2384 {
2385 char *temp = NULL;
2386 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2387
2388 if (ldap_state == NULL || map == NULL || entry == NULL ||
2389 ldap_state->smbldap_state->ldap_struct == NULL) {
2390 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2391 TALLOC_FREE(ctx);
2392 return false;
2393 }
2394
2395 temp = smbldap_talloc_single_attribute(
2396 ldap_state->smbldap_state->ldap_struct,
2397 entry,
2398 get_attr_key2string(groupmap_attr_list,
2399 LDAP_ATTR_GIDNUMBER),
2400 ctx);
2401 if (!temp) {
2402 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2403 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2404 TALLOC_FREE(ctx);
2405 return false;
2406 }
2407 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2408
2409 map->gid = (gid_t)atol(temp);
2410
2411 TALLOC_FREE(temp);
2412 temp = smbldap_talloc_single_attribute(
2413 ldap_state->smbldap_state->ldap_struct,
2414 entry,
2415 get_attr_key2string(groupmap_attr_list,
2416 LDAP_ATTR_GROUP_SID),
2417 ctx);
2418 if (!temp) {
2419 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2420 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2421 TALLOC_FREE(ctx);
2422 return false;
2423 }
2424
2425 if (!string_to_sid(&map->sid, temp)) {
2426 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2427 TALLOC_FREE(ctx);
2428 return false;
2429 }
2430
2431 TALLOC_FREE(temp);
2432 temp = smbldap_talloc_single_attribute(
2433 ldap_state->smbldap_state->ldap_struct,
2434 entry,
2435 get_attr_key2string(groupmap_attr_list,
2436 LDAP_ATTR_GROUP_TYPE),
2437 ctx);
2438 if (!temp) {
2439 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2440 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2441 TALLOC_FREE(ctx);
2442 return false;
2443 }
2444 map->sid_name_use = (enum lsa_SidType)atol(temp);
2445
2446 if ((map->sid_name_use < SID_NAME_USER) ||
2447 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2448 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2449 TALLOC_FREE(ctx);
2450 return false;
2451 }
2452
2453 TALLOC_FREE(temp);
2454 temp = smbldap_talloc_single_attribute(
2455 ldap_state->smbldap_state->ldap_struct,
2456 entry,
2457 get_attr_key2string(groupmap_attr_list,
2458 LDAP_ATTR_DISPLAY_NAME),
2459 ctx);
2460 if (!temp) {
2461 temp = smbldap_talloc_single_attribute(
2462 ldap_state->smbldap_state->ldap_struct,
2463 entry,
2464 get_attr_key2string(groupmap_attr_list,
2465 LDAP_ATTR_CN),
2466 ctx);
2467 if (!temp) {
2468 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2469 for gidNumber(%lu)\n",(unsigned long)map->gid));
2470 TALLOC_FREE(ctx);
2471 return false;
2472 }
2473 }
2474 map->nt_name = talloc_strdup(map, temp);
2475 if (!map->nt_name) {
2476 TALLOC_FREE(ctx);
2477 return false;
2478 }
2479
2480 TALLOC_FREE(temp);
2481 temp = smbldap_talloc_single_attribute(
2482 ldap_state->smbldap_state->ldap_struct,
2483 entry,
2484 get_attr_key2string(groupmap_attr_list,
2485 LDAP_ATTR_DESC),
2486 ctx);
2487 if (!temp) {
2488 temp = talloc_strdup(ctx, "");
2489 if (!temp) {
2490 TALLOC_FREE(ctx);
2491 return false;
2492 }
2493 }
2494 map->comment = talloc_strdup(map, temp);
2495 if (!map->comment) {
2496 TALLOC_FREE(ctx);
2497 return false;
2498 }
2499
2500 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2501 store_gid_sid_cache(&map->sid, map->gid);
2502 idmap_cache_set_sid2gid(&map->sid, map->gid);
2503 }
2504
2505 TALLOC_FREE(ctx);
2506 return true;
2507 }
2508
2509 /**********************************************************************
2510 *********************************************************************/
2511
2512 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2513 const char *filter,
2514 GROUP_MAP *map)
2515 {
2516 struct ldapsam_privates *ldap_state =
2517 (struct ldapsam_privates *)methods->private_data;
2518 LDAPMessage *result = NULL;
2519 LDAPMessage *entry = NULL;
2520 int count;
2521
2522 if (ldapsam_search_one_group(ldap_state, filter, &result)
2523 != LDAP_SUCCESS) {
2524 return NT_STATUS_NO_SUCH_GROUP;
2525 }
2526
2527 count = ldap_count_entries(priv2ld(ldap_state), result);
2528
2529 if (count < 1) {
2530 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2531 "%s\n", filter));
2532 ldap_msgfree(result);
2533 return NT_STATUS_NO_SUCH_GROUP;
2534 }
2535
2536 if (count > 1) {
2537 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2538 "count=%d\n", filter, count));
2539 ldap_msgfree(result);
2540 return NT_STATUS_NO_SUCH_GROUP;
2541 }
2542
2543 entry = ldap_first_entry(priv2ld(ldap_state), result);
2544
2545 if (!entry) {
2546 ldap_msgfree(result);
2547 return NT_STATUS_UNSUCCESSFUL;
2548 }
2549
2550 if (!init_group_from_ldap(ldap_state, map, entry)) {
2551 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2552 "group filter %s\n", filter));
2553 ldap_msgfree(result);
2554 return NT_STATUS_NO_SUCH_GROUP;
2555 }
2556
2557 ldap_msgfree(result);
2558 return NT_STATUS_OK;
2559 }
2560
2561 /**********************************************************************
2562 *********************************************************************/
2563
2564 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2565 struct dom_sid sid)
2566 {
2567 char *filter = NULL;
2568 NTSTATUS status;
2569 fstring tmp;
2570
2571 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2572 LDAP_OBJ_GROUPMAP,
2573 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2574 sid_to_fstring(tmp, &sid)) < 0) {
2575 return NT_STATUS_NO_MEMORY;
2576 }
2577
2578 status = ldapsam_getgroup(methods, filter, map);
2579 SAFE_FREE(filter);
2580 return status;
2581 }
2582
2583 /**********************************************************************
2584 *********************************************************************/
2585
2586 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2587 gid_t gid)
2588 {
2589 char *filter = NULL;
2590 NTSTATUS status;
2591
2592 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2593 LDAP_OBJ_GROUPMAP,
2594 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2595 (unsigned long)gid) < 0) {
2596 return NT_STATUS_NO_MEMORY;
2597 }
2598
2599 status = ldapsam_getgroup(methods, filter, map);
2600 SAFE_FREE(filter);
2601 return status;
2602 }
2603
2604 /**********************************************************************
2605 *********************************************************************/
2606
2607 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2608 const char *name)
2609 {
2610 char *filter = NULL;
2611 char *escape_name = escape_ldap_string(talloc_tos(), name);
2612 NTSTATUS status;
2613
2614 if (!escape_name) {
2615 return NT_STATUS_NO_MEMORY;
2616 }
2617
2618 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2619 LDAP_OBJ_GROUPMAP,
2620 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2621 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2622 escape_name) < 0) {
2623 TALLOC_FREE(escape_name);
2624 return NT_STATUS_NO_MEMORY;
2625 }
2626
2627 TALLOC_FREE(escape_name);
2628 status = ldapsam_getgroup(methods, filter, map);
2629 SAFE_FREE(filter);
2630 return status;
2631 }
2632
2633 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2634 LDAPMessage *entry,
2635 const struct dom_sid *domain_sid,
2636 uint32_t *rid)
2637 {
2638 fstring str;
2639 struct dom_sid sid;
2640
2641 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2642 str, sizeof(str)-1)) {
2643 DEBUG(10, ("Could not find sambaSID attribute\n"));
2644 return False;
2645 }
2646
2647 if (!string_to_sid(&sid, str)) {
2648 DEBUG(10, ("Could not convert string %s to sid\n", str));
2649 return False;
2650 }
2651
2652 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2653 DEBUG(10, ("SID %s is not in expected domain %s\n",
2654 str, sid_string_dbg(domain_sid)));
2655 return False;
2656 }
2657
2658 if (!sid_peek_rid(&sid, rid)) {
2659 DEBUG(10, ("Could not peek into RID\n"));
2660 return False;
2661 }
2662
2663 return True;
2664 }
2665
2666 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2667 TALLOC_CTX *mem_ctx,
2668 const struct dom_sid *group,
2669 uint32_t **pp_member_rids,
2670 size_t *p_num_members)
2671 {
2672 struct ldapsam_privates *ldap_state =
2673 (struct ldapsam_privates *)methods->private_data;
2674 struct smbldap_state *conn = ldap_state->smbldap_state;
2675 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2676 const char *sid_attrs[] = { "sambaSID", NULL };
2677 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2678 LDAPMessage *result = NULL;
2679 LDAPMessage *entry;
2680 char *filter;
2681 char **values = NULL;
2682 char **memberuid;
2683 char *gidstr;
2684 int rc, count;
2685
2686 *pp_member_rids = NULL;
2687 *p_num_members = 0;
2688
2689 filter = talloc_asprintf(mem_ctx,
2690 "(&(objectClass=%s)"
2691 "(objectClass=%s)"
2692 "(sambaSID=%s))",
2693 LDAP_OBJ_POSIXGROUP,
2694 LDAP_OBJ_GROUPMAP,
2695 sid_string_talloc(mem_ctx, group));
2696 if (filter == NULL) {
2697 ret = NT_STATUS_NO_MEMORY;
2698 goto done;
2699 }
2700
2701 rc = smbldap_search(conn, lp_ldap_suffix(),
2702 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2703 &result);
2704
2705 if (rc != LDAP_SUCCESS)
2706 goto done;
2707
2708 talloc_autofree_ldapmsg(mem_ctx, result);
2709
2710 count = ldap_count_entries(conn->ldap_struct, result);
2711
2712 if (count > 1) {
2713 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2714 sid_string_dbg(group)));
2715 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2716 goto done;
2717 }
2718
2719 if (count == 0) {
2720 ret = NT_STATUS_NO_SUCH_GROUP;
2721 goto done;
2722 }
2723
2724 entry = ldap_first_entry(conn->ldap_struct, result);
2725 if (entry == NULL)
2726 goto done;
2727
2728 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2729 if (!gidstr) {
2730 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2731 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2732 goto done;
2733 }
2734
2735 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2736
2737 if ((values != NULL) && (values[0] != NULL)) {
2738
2739 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2740 if (filter == NULL) {
2741 ret = NT_STATUS_NO_MEMORY;
2742 goto done;
2743 }
2744
2745 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2746 char *escape_memberuid;
2747
2748 escape_memberuid = escape_ldap_string(talloc_tos(),
2749 *memberuid);
2750 if (escape_memberuid == NULL) {
2751 ret = NT_STATUS_NO_MEMORY;
2752 goto done;
2753 }
2754
2755 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2756 TALLOC_FREE(escape_memberuid);
2757 if (filter == NULL) {
2758 ret = NT_STATUS_NO_MEMORY;
2759 goto done;
2760 }
2761 }
2762
2763 filter = talloc_asprintf_append_buffer(filter, "))");
2764 if (filter == NULL) {
2765 ret = NT_STATUS_NO_MEMORY;
2766 goto done;
2767 }
2768
2769 rc = smbldap_search(conn, lp_ldap_suffix(),
2770 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2771 &result);
2772
2773 if (rc != LDAP_SUCCESS)
2774 goto done;
2775
2776 count = ldap_count_entries(conn->ldap_struct, result);
2777 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2778
2779 talloc_autofree_ldapmsg(mem_ctx, result);
2780
2781 for (entry = ldap_first_entry(conn->ldap_struct, result);
2782 entry != NULL;
2783 entry = ldap_next_entry(conn->ldap_struct, entry))
2784 {
2785 char *sidstr;
2786 struct dom_sid sid;
2787 uint32_t rid;
2788
2789 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2790 entry, "sambaSID",
2791 mem_ctx);
2792 if (!sidstr) {
2793 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2794 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2795 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2796 goto done;
2797 }
2798
2799 if (!string_to_sid(&sid, sidstr))
2800 goto done;
2801
2802 if (!sid_check_is_in_our_domain(&sid)) {
2803 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2804 "in our domain\n"));
2805 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2806 goto done;
2807 }
2808
2809 sid_peek_rid(&sid, &rid);
2810
2811 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2812 p_num_members)) {
2813 ret = NT_STATUS_NO_MEMORY;
2814 goto done;
2815 }
2816 }
2817 }
2818
2819 filter = talloc_asprintf(mem_ctx,
2820 "(&(objectClass=%s)"
2821 "(gidNumber=%s))",
2822 LDAP_OBJ_SAMBASAMACCOUNT,
2823 gidstr);
2824
2825 rc = smbldap_search(conn, lp_ldap_suffix(),
2826 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2827 &result);
2828
2829 if (rc != LDAP_SUCCESS)
2830 goto done;
2831
2832 talloc_autofree_ldapmsg(mem_ctx, result);
2833
2834 for (entry = ldap_first_entry(conn->ldap_struct, result);
2835 entry != NULL;
2836 entry = ldap_next_entry(conn->ldap_struct, entry))
2837 {
2838 uint32_t rid;
2839
2840 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2841 entry,
2842 get_global_sam_sid(),
2843 &rid)) {
2844 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2845 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2846 goto done;
2847 }
2848
2849 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2850 p_num_members)) {
2851 ret = NT_STATUS_NO_MEMORY;
2852 goto done;
2853 }
2854 }
2855
2856 ret = NT_STATUS_OK;
2857
2858 done:
2859
2860 if (values)
2861 ldap_value_free(values);
2862
2863 return ret;
2864 }
2865
2866 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2867 TALLOC_CTX *mem_ctx,
2868 struct samu *user,
2869 struct dom_sid **pp_sids,
2870 gid_t **pp_gids,
2871 uint32_t *p_num_groups)
2872 {
2873 struct ldapsam_privates *ldap_state =
2874 (struct ldapsam_privates *)methods->private_data;
2875 struct smbldap_state *conn = ldap_state->smbldap_state;
2876 char *filter;
2877 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2878 char *escape_name;
2879 int rc, count;
2880 LDAPMessage *result = NULL;
2881 LDAPMessage *entry;
2882 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2883 uint32_t num_sids;
2884 uint32_t num_gids;
2885 char *gidstr;
2886 gid_t primary_gid = -1;
2887
2888 *pp_sids = NULL;
2889 num_sids = 0;
2890
2891 if (pdb_get_username(user) == NULL) {
2892 return NT_STATUS_INVALID_PARAMETER;
2893 }
2894
2895 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2896 if (escape_name == NULL)
2897 return NT_STATUS_NO_MEMORY;
2898
2899 if (user->unix_pw) {
2900 primary_gid = user->unix_pw->pw_gid;
2901 } else {
2902 /* retrieve the users primary gid */
2903 filter = talloc_asprintf(mem_ctx,
2904 "(&(objectClass=%s)(uid=%s))",
2905 LDAP_OBJ_SAMBASAMACCOUNT,
2906 escape_name);
2907 if (filter == NULL) {
2908 ret = NT_STATUS_NO_MEMORY;
2909 goto done;
2910 }
2911
2912 rc = smbldap_search(conn, lp_ldap_suffix(),
2913 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2914
2915 if (rc != LDAP_SUCCESS)
2916 goto done;
2917
2918 talloc_autofree_ldapmsg(mem_ctx, result);
2919
2920 count = ldap_count_entries(priv2ld(ldap_state), result);
2921
2922 switch (count) {
2923 case 0:
2924 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2925 ret = NT_STATUS_NO_SUCH_USER;
2926 goto done;
2927 case 1:
2928 entry = ldap_first_entry(priv2ld(ldap_state), result);
2929
2930 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2931 if (!gidstr) {
2932 DEBUG (1, ("Unable to find the member's gid!\n"));
2933 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2934 goto done;
2935 }
2936 primary_gid = strtoul(gidstr, NULL, 10);
2937 break;
2938 default:
2939 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2940 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2941 goto done;
2942 }
2943 }
2944
2945 filter = talloc_asprintf(mem_ctx,
2946 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2947 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2948 if (filter == NULL) {
2949 ret = NT_STATUS_NO_MEMORY;
2950 goto done;
2951 }
2952
2953 rc = smbldap_search(conn, lp_ldap_suffix(),
2954 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2955
2956 if (rc != LDAP_SUCCESS)
2957 goto done;
2958
2959 talloc_autofree_ldapmsg(mem_ctx, result);
2960
2961 num_gids = 0;
2962 *pp_gids = NULL;
2963
2964 num_sids = 0;
2965 *pp_sids = NULL;
2966
2967 /* We need to add the primary group as the first gid/sid */
2968
2969 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2970 ret = NT_STATUS_NO_MEMORY;
2971 goto done;
2972 }
2973
2974 /* This sid will be replaced later */
2975
2976 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2977 &num_sids);
2978 if (!NT_STATUS_IS_OK(ret)) {
2979 goto done;
2980 }
2981
2982 for (entry = ldap_first_entry(conn->ldap_struct, result);
2983 entry != NULL;
2984 entry = ldap_next_entry(conn->ldap_struct, entry))
2985 {
2986 fstring str;
2987 struct dom_sid sid;
2988 gid_t gid;
2989 char *end;
2990
2991 if (!smbldap_get_single_attribute(conn->ldap_struct,
2992 entry, "sambaSID",
2993 str, sizeof(str)-1))
2994 continue;
2995
2996 if (!string_to_sid(&sid, str))
2997 goto done;
2998
2999 if (!smbldap_get_single_attribute(conn->ldap_struct,
3000 entry, "gidNumber",
3001 str, sizeof(str)-1))
3002 continue;
3003
3004 gid = strtoul(str, &end, 10);
3005
3006 if (PTR_DIFF(end, str) != strlen(str))
3007 goto done;
3008
3009 if (gid == primary_gid) {
3010 sid_copy(&(*pp_sids)[0], &sid);
3011 } else {
3012 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3013 &num_gids)) {
3014 ret = NT_STATUS_NO_MEMORY;
3015 goto done;
3016 }
3017 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3018 &num_sids);
3019 if (!NT_STATUS_IS_OK(ret)) {
3020 goto done;
3021 }
3022 }
3023 }
3024
3025 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3026 DEBUG(3, ("primary group of [%s] not found\n",
3027 pdb_get_username(user)));
3028 goto done;
3029 }
3030
3031 *p_num_groups = num_sids;
3032
3033 ret = NT_STATUS_OK;
3034
3035 done:
3036
3037 TALLOC_FREE(escape_name);
3038 return ret;
3039 }
3040
3041 /**********************************************************************
3042 * Augment a posixGroup object with a sambaGroupMapping domgroup
3043 *********************************************************************/
3044
3045 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3046 struct ldapsam_privates *ldap_state,
3047 GROUP_MAP *map)
3048 {
3049 const char *filter, *dn;
3050 LDAPMessage *msg, *entry;
3051 LDAPMod **mods;
3052 int rc;
3053
3054 filter = talloc_asprintf(mem_ctx,
3055 "(&(objectClass=%s)(gidNumber=%u))",
3056 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3057 if (filter == NULL) {
3058 return NT_STATUS_NO_MEMORY;
3059 }
3060
3061 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3062 get_attr_list(mem_ctx, groupmap_attr_list),
3063 &msg);
3064 talloc_autofree_ldapmsg(mem_ctx, msg);
3065
3066 if ((rc != LDAP_SUCCESS) ||
3067 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3068 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3069 return NT_STATUS_NO_SUCH_GROUP;
3070 }
3071
3072 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3073 if (dn == NULL) {
3074 return NT_STATUS_NO_MEMORY;
3075 }
3076
3077 mods = NULL;
3078 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3079 LDAP_OBJ_GROUPMAP);
3080 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3081 sid_string_talloc(mem_ctx, &map->sid));
3082 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3083 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3085 map->nt_name);
3086 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3087 map->comment);
3088 talloc_autofree_ldapmod(mem_ctx, mods);
3089
3090 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3091 if (rc != LDAP_SUCCESS) {
3092 return NT_STATUS_ACCESS_DENIED;
3093 }
3094
3095 return NT_STATUS_OK;
3096 }
3097
3098 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3099 GROUP_MAP *map)
3100 {
3101 struct ldapsam_privates *ldap_state =
3102 (struct ldapsam_privates *)methods->private_data;
3103 LDAPMessage *msg = NULL;
3104 LDAPMod **mods = NULL;
3105 const char *attrs[] = { NULL };
3106 char *filter;
3107
3108 char *dn;
3109 TALLOC_CTX *mem_ctx;
3110 NTSTATUS result;
3111
3112 struct dom_sid sid;
3113
3114 int rc;
3115
3116 mem_ctx = talloc_new(NULL);
3117 if (mem_ctx == NULL) {
3118 DEBUG(0, ("talloc_new failed\n"));
3119 return NT_STATUS_NO_MEMORY;
3120 }
3121
3122 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3123 sid_string_talloc(mem_ctx, &map->sid));
3124 if (filter == NULL) {
3125 result = NT_STATUS_NO_MEMORY;
3126 goto done;
3127 }
3128
3129 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3130 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3131 talloc_autofree_ldapmsg(mem_ctx, msg);
3132
3133 if ((rc == LDAP_SUCCESS) &&
3134 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3135
3136 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3137 "group mapping entry\n", sid_string_dbg(&map->sid)));
3138 result = NT_STATUS_GROUP_EXISTS;
3139 goto done;
3140 }
3141
3142 switch (map->sid_name_use) {
3143
3144 case SID_NAME_DOM_GRP:
3145 /* To map a domain group we need to have a posix group
3146 to attach to. */
3147 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3148 goto done;
3149 break;
3150
3151 case SID_NAME_ALIAS:
3152 if (!sid_check_is_in_our_domain(&map->sid)
3153 && !sid_check_is_in_builtin(&map->sid) )
3154 {
3155 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3156 sid_string_dbg(&map->sid)));
3157 result = NT_STATUS_INVALID_PARAMETER;
3158 goto done;
3159 }
3160 break;
3161
3162 default:
3163 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3164 sid_type_lookup(map->sid_name_use)));
3165 result = NT_STATUS_INVALID_PARAMETER;
3166 goto done;
3167 }
3168
3169 /* Domain groups have been mapped in a separate routine, we have to
3170 * create an alias now */
3171
3172 if (map->gid == -1) {
3173 DEBUG(10, ("Refusing to map gid==-1\n"));
3174 result = NT_STATUS_INVALID_PARAMETER;
3175 goto done;
3176 }
3177
3178 if (pdb_gid_to_sid(map->gid, &sid)) {
3179 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3180 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3181 result = NT_STATUS_GROUP_EXISTS;
3182 goto done;
3183 }
3184
3185 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3186 * the best we can get out of LDAP. */
3187
3188 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3189 sid_string_talloc(mem_ctx, &map->sid),
3190 lp_ldap_group_suffix());
3191 if (dn == NULL) {
3192 result = NT_STATUS_NO_MEMORY;
3193 goto done;
3194 }
3195
3196 mods = NULL;
3197
3198 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3199 LDAP_OBJ_SID_ENTRY);
3200 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3201 LDAP_OBJ_GROUPMAP);
3202 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3203 sid_string_talloc(mem_ctx, &map->sid));
3204 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3205 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3206 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3207 map->nt_name);
3208 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3209 map->comment);
3210 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3211 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3212 talloc_autofree_ldapmod(mem_ctx, mods);
3213
3214 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3215
3216 result = (rc == LDAP_SUCCESS) ?
3217 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3218
3219 done:
3220 TALLOC_FREE(mem_ctx);
3221 return result;
3222 }
3223
3224 /**********************************************************************
3225 * Update a group mapping entry. We're quite strict about what can be changed:
3226 * Only the description and displayname may be changed. It simply does not
3227 * make any sense to change the SID, gid or the type in a mapping.
3228 *********************************************************************/
3229
3230 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3231 GROUP_MAP *map)
3232 {
3233 struct ldapsam_privates *ldap_state =
3234 (struct ldapsam_privates *)methods->private_data;
3235 int rc;
3236 const char *filter, *dn;
3237 LDAPMessage *msg = NULL;
3238 LDAPMessage *entry = NULL;
3239 LDAPMod **mods = NULL;
3240 TALLOC_CTX *mem_ctx;
3241 NTSTATUS result;
3242
3243 mem_ctx = talloc_new(NULL);
3244 if (mem_ctx == NULL) {
3245 DEBUG(0, ("talloc_new failed\n"));
3246 return NT_STATUS_NO_MEMORY;
3247 }
3248
3249 /* Make 100% sure that sid, gid and type are not changed by looking up
3250 * exactly the values we're given in LDAP. */
3251
3252 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3253 "(sambaSid=%s)(gidNumber=%u)"
3254 "(sambaGroupType=%d))",
3255 LDAP_OBJ_GROUPMAP,
3256 sid_string_talloc(mem_ctx, &map->sid),
3257 (unsigned int)map->gid, map->sid_name_use);
3258 if (filter == NULL) {
3259 result = NT_STATUS_NO_MEMORY;
3260 goto done;
3261 }
3262
3263 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3264 get_attr_list(mem_ctx, groupmap_attr_list),
3265 &msg);
3266 talloc_autofree_ldapmsg(mem_ctx, msg);
3267
3268 if ((rc != LDAP_SUCCESS) ||
3269 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3270 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3271 result = NT_STATUS_NO_SUCH_GROUP;
3272 goto done;
3273 }
3274
3275 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3276
3277 if (dn == NULL) {
3278 result = NT_STATUS_NO_MEMORY;
3279 goto done;
3280 }
3281
3282 mods = NULL;
3283 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3284 map->nt_name);
3285 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3286 map->comment);
3287 talloc_autofree_ldapmod(mem_ctx, mods);
3288
3289 if (mods == NULL) {
3290 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3291 "nothing to do\n"));
3292 result = NT_STATUS_OK;
3293 goto done;
3294 }
3295
3296 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3297
3298 if (rc != LDAP_SUCCESS) {
3299 result = NT_STATUS_ACCESS_DENIED;
3300 goto done;
3301 }
3302
3303 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3304 "group %lu in LDAP\n", (unsigned long)map->gid));
3305
3306 result = NT_STATUS_OK;
3307
3308 done:
3309 TALLOC_FREE(mem_ctx);
3310 return result;
3311 }
3312
3313 /**********************************************************************
3314 *********************************************************************/
3315
3316 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3317 struct dom_sid sid)
3318 {
3319 struct ldapsam_privates *priv =
3320 (struct ldapsam_privates *)methods->private_data;
3321 LDAPMessage *msg, *entry;
3322 int rc;
3323 NTSTATUS result;
3324 TALLOC_CTX *mem_ctx;
3325 char *filter;
3326
3327 mem_ctx = talloc_new(NULL);
3328 if (mem_ctx == NULL) {
3329 DEBUG(0, ("talloc_new failed\n"));
3330 return NT_STATUS_NO_MEMORY;
3331 }
3332
3333 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3334 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3335 sid_string_talloc(mem_ctx, &sid));
3336 if (filter == NULL) {
3337 result = NT_STATUS_NO_MEMORY;
3338 goto done;
3339 }
3340 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3341 get_attr_list(mem_ctx, groupmap_attr_list),
3342 &msg);
3343 talloc_autofree_ldapmsg(mem_ctx, msg);
3344
3345 if ((rc != LDAP_SUCCESS) ||
3346 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3347 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3348 result = NT_STATUS_NO_SUCH_GROUP;
3349 goto done;
3350 }
3351
3352 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3353 get_attr_list(mem_ctx,
3354 groupmap_attr_list_to_delete));
3355
3356 if ((rc == LDAP_NAMING_VIOLATION) ||
3357 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3358 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3359 const char *attrs[] = { "sambaGroupType", "description",
3360 "displayName", "sambaSIDList",
3361 NULL };
3362
3363 /* Second try. Don't delete the sambaSID attribute, this is
3364 for "old" entries that are tacked on a winbind
3365 sambaIdmapEntry. */
3366
3367 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3368 LDAP_OBJ_GROUPMAP, attrs);
3369 }
3370
3371 if ((rc == LDAP_NAMING_VIOLATION) ||
3372 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3373 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3374 const char *attrs[] = { "sambaGroupType", "description",
3375 "displayName", "sambaSIDList",
3376 "gidNumber", NULL };
3377
3378 /* Third try. This is a post-3.0.21 alias (containing only
3379 * sambaSidEntry and sambaGroupMapping classes), we also have
3380 * to delete the gidNumber attribute, only the sambaSidEntry
3381 * remains */
3382
3383 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3384 LDAP_OBJ_GROUPMAP, attrs);
3385 }
3386
3387 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3388
3389 done:
3390 TALLOC_FREE(mem_ctx);
3391 return result;
3392 }
3393
3394 /**********************************************************************
3395 *********************************************************************/
3396
3397 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3398 bool update)
3399 {
3400 struct ldapsam_privates *ldap_state =
3401 (struct ldapsam_privates *)my_methods->private_data;
3402 char *filter = NULL;
3403 int rc;
3404 const char **attr_list;
3405
3406 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3407 if (!filter) {
3408 return NT_STATUS_NO_MEMORY;
3409 }
3410 attr_list = get_attr_list( NULL, groupmap_attr_list );
3411 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3412 LDAP_SCOPE_SUBTREE, filter,
3413 attr_list, 0, &ldap_state->result);
3414 TALLOC_FREE(attr_list);
3415
3416 if (rc != LDAP_SUCCESS) {
3417 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3418 ldap_err2string(rc)));
3419 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3420 lp_ldap_suffix(), filter));
3421 ldap_msgfree(ldap_state->result);
3422 ldap_state->result = NULL;
3423 TALLOC_FREE(filter);
3424 return NT_STATUS_UNSUCCESSFUL;
3425 }
3426
3427 TALLOC_FREE(filter);
3428
3429 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3430 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3431 ldap_state->result)));
3432
3433 ldap_state->entry =
3434 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3435 ldap_state->result);
3436 ldap_state->index = 0;
3437
3438 return NT_STATUS_OK;
3439 }
3440
3441 /**********************************************************************
3442 *********************************************************************/
3443
3444 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3445 {
3446 ldapsam_endsampwent(my_methods);
3447 }
3448
3449 /**********************************************************************
3450 *********************************************************************/
3451
3452 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3453 GROUP_MAP *map)
3454 {
3455 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3456 struct ldapsam_privates *ldap_state =
3457 (struct ldapsam_privates *)my_methods->private_data;
3458 bool bret = False;
3459
3460 while (!bret) {
3461 if (!ldap_state->entry)
3462 return ret;
3463
3464 ldap_state->index++;
3465 bret = init_group_from_ldap(ldap_state, map,
3466 ldap_state->entry);
3467
3468 ldap_state->entry =
3469 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3470 ldap_state->entry);
3471 }
3472
3473 return NT_STATUS_OK;
3474 }
3475
3476 /**********************************************************************
3477 *********************************************************************/
3478
3479 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3480 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3481 GROUP_MAP ***pp_rmap,
3482 size_t *p_num_entries,
3483 bool unix_only)
3484 {
3485 GROUP_MAP *map = NULL;
3486 size_t entries = 0;
3487
3488 *p_num_entries = 0;
3489 **pp_rmap = NULL;
3490
3491 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3492 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3493 "passdb\n"));
3494 return NT_STATUS_ACCESS_DENIED;
3495 }
3496
3497 while (true) {
3498
3499 map = talloc_zero(NULL, GROUP_MAP);
3500 if (!map) {
3501 return NT_STATUS_NO_MEMORY;
3502 }
3503
3504 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3505 TALLOC_FREE(map);
3506 break;
3507 }
3508
3509 if (sid_name_use != SID_NAME_UNKNOWN &&
3510 sid_name_use != map->sid_name_use) {
3511 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3512 "not of the requested type\n",
3513 map->nt_name));
3514 continue;
3515 }
3516 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3517 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3518 "non mapped\n", map->nt_name));
3519 continue;
3520 }
3521
3522 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3523 GROUP_MAP *, entries + 1);
3524 if (!(*pp_rmap)) {
3525 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3526 "enlarge group map!\n"));
3527 return NT_STATUS_UNSUCCESSFUL;
3528 }
3529
3530 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3531
3532 entries += 1;
3533 }
3534
3535 ldapsam_endsamgrent(methods);
3536
3537 *p_num_entries = entries;
3538
3539 return NT_STATUS_OK;
3540 }
3541
3542 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3543 const struct dom_sid *alias,
3544 const struct dom_sid *member,
3545 int modop)
3546 {
3547 struct ldapsam_privates *ldap_state =
3548 (struct ldapsam_privates *)methods->private_data;
3549 char *dn = NULL;
3550 LDAPMessage *result = NULL;
3551 LDAPMessage *entry = NULL;
3552 int count;
3553 LDAPMod **mods = NULL;
3554 int rc;
3555 enum lsa_SidType type = SID_NAME_USE_NONE;
3556 fstring tmp;
3557
3558 char *filter = NULL;
3559
3560 if (sid_check_is_in_builtin(alias)) {
3561 type = SID_NAME_ALIAS;
3562 }
3563
3564 if (sid_check_is_in_our_domain(alias)) {
3565 type = SID_NAME_ALIAS;
3566 }
3567
3568 if (type == SID_NAME_USE_NONE) {
3569 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3570 sid_string_dbg(alias)));
3571 return NT_STATUS_NO_SUCH_ALIAS;
3572 }
3573
3574 if (asprintf(&filter,
3575 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3576 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3577 type) < 0) {
3578 return NT_STATUS_NO_MEMORY;
3579 }
3580
3581 if (ldapsam_search_one_group(ldap_state, filter,
3582 &result) != LDAP_SUCCESS) {
3583 SAFE_FREE(filter);
3584 return NT_STATUS_NO_SUCH_ALIAS;
3585 }
3586
3587 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3588 result);
3589
3590 if (count < 1) {
3591 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3592 ldap_msgfree(result);
3593 SAFE_FREE(filter);
3594 return NT_STATUS_NO_SUCH_ALIAS;
3595 }
3596
3597 if (count > 1) {
3598 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3599 "filter %s: count=%d\n", filter, count));
3600 ldap_msgfree(result);
3601 SAFE_FREE(filter);
3602 return NT_STATUS_NO_SUCH_ALIAS;
3603 }
3604
3605 SAFE_FREE(filter);
3606
3607 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3608 result);
3609
3610 if (!entry) {
3611 ldap_msgfree(result);
3612 return NT_STATUS_UNSUCCESSFUL;
3613 }
3614
3615 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3616 if (!dn) {
3617 ldap_msgfree(result);
3618 return NT_STATUS_UNSUCCESSFUL;
3619 }
3620
3621 smbldap_set_mod(&mods, modop,
3622 get_attr_key2string(groupmap_attr_list,
3623 LDAP_ATTR_SID_LIST),
3624 sid_to_fstring(tmp, member));
3625
3626 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3627
3628 ldap_mods_free(mods, True);
3629 ldap_msgfree(result);
3630 TALLOC_FREE(dn);
3631
3632 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3633 return NT_STATUS_MEMBER_IN_ALIAS;
3634 }
3635
3636 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3637 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3638 }
3639
3640 if (rc != LDAP_SUCCESS) {
3641 return NT_STATUS_UNSUCCESSFUL;
3642 }
3643
3644 return NT_STATUS_OK;
3645 }
3646
3647 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3648 const struct dom_sid *alias,
3649 const struct dom_sid *member)
3650 {
3651 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3652 }
3653
3654 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3655 const struct dom_sid *alias,
3656 const struct dom_sid *member)
3657 {
3658 return ldapsam_modify_aliasmem(methods, alias, member,
3659 LDAP_MOD_DELETE);
3660 }
3661
3662 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3663 const struct dom_sid *alias,
3664 TALLOC_CTX *mem_ctx,
3665 struct dom_sid **pp_members,
3666 size_t *p_num_members)
3667 {
3668 struct ldapsam_privates *ldap_state =
3669 (struct ldapsam_privates *)methods->private_data;
3670 LDAPMessage *result = NULL;
3671 LDAPMessage *entry = NULL;
3672 int count;
3673 char **values = NULL;
3674 int i;
3675 char *filter = NULL;
3676 uint32_t num_members = 0;
3677 enum lsa_SidType type = SID_NAME_USE_NONE;
3678 fstring tmp;
3679
3680 *pp_members = NULL;
3681 *p_num_members = 0;
3682
3683 if (sid_check_is_in_builtin(alias)) {
3684 type = SID_NAME_ALIAS;
3685 }
3686
3687 if (sid_check_is_in_our_domain(alias)) {
3688 type = SID_NAME_ALIAS;
3689 }
3690
3691 if (type == SID_NAME_USE_NONE) {
3692 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3693 sid_string_dbg(alias)));
3694 return NT_STATUS_NO_SUCH_ALIAS;
3695 }
3696
3697 if (asprintf(&filter,
3698 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3699 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3700 type) < 0) {
3701 return NT_STATUS_NO_MEMORY;
3702 }
3703
3704 if (ldapsam_search_one_group(ldap_state, filter,
3705 &result) != LDAP_SUCCESS) {
3706 SAFE_FREE(filter);
3707 return NT_STATUS_NO_SUCH_ALIAS;
3708 }
3709
3710 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3711 result);
3712
3713 if (count < 1) {
3714 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3715 ldap_msgfree(result);
3716 SAFE_FREE(filter);
3717 return NT_STATUS_NO_SUCH_ALIAS;
3718 }
3719
3720 if (count > 1) {
3721 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3722 "filter %s: count=%d\n", filter, count));
3723 ldap_msgfree(result);
3724 SAFE_FREE(filter);
3725 return NT_STATUS_NO_SUCH_ALIAS;
3726 }
3727
3728 SAFE_FREE(filter);
3729
3730 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3731 result);
3732
3733 if (!entry) {
3734 ldap_msgfree(result);
3735 return NT_STATUS_UNSUCCESSFUL;
3736 }
3737
3738 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3739 entry,
3740 get_attr_key2string(groupmap_attr_list,
3741 LDAP_ATTR_SID_LIST));
3742
3743 if (values == NULL) {
3744 ldap_msgfree(result);
3745 return NT_STATUS_OK;
3746 }
3747
3748 count = ldap_count_values(values);
3749
3750 for (i=0; i<count; i++) {
3751 struct dom_sid member;
3752 NTSTATUS status;
3753
3754 if (!string_to_sid(&member, values[i]))
3755 continue;
3756
3757 status = add_sid_to_array(mem_ctx, &member, pp_members,
3758 &num_members);
3759 if (!NT_STATUS_IS_OK(status)) {
3760 ldap_value_free(values);
3761 ldap_msgfree(result);
3762 return status;
3763 }
3764 }
3765
3766 *p_num_members = num_members;
3767 ldap_value_free(values);
3768 ldap_msgfree(result);
3769
3770 return NT_STATUS_OK;
3771 }
3772
3773 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3774 TALLOC_CTX *mem_ctx,
3775 const struct dom_sid *domain_sid,
3776 const struct dom_sid *members,
3777 size_t num_members,
3778 uint32_t **pp_alias_rids,
3779 size_t *p_num_alias_rids)
3780 {
3781 struct ldapsam_privates *ldap_state =
3782 (struct ldapsam_privates *)methods->private_data;
3783 LDAP *ldap_struct;
3784
3785 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3786
3787 LDAPMessage *result = NULL;
3788 LDAPMessage *entry = NULL;
3789 int i;
3790 int rc;
3791 char *filter;
3792 enum lsa_SidType type = SID_NAME_USE_NONE;
3793 bool is_builtin = false;
3794 bool sid_added = false;
3795
3796 *pp_alias_rids = NULL;
3797 *p_num_alias_rids = 0;
3798
3799 if (sid_check_is_builtin(domain_sid)) {
3800 is_builtin = true;
3801 type = SID_NAME_ALIAS;
3802 }
3803
3804 if (sid_check_is_domain(domain_sid)) {
3805 type = SID_NAME_ALIAS;
3806 }
3807
3808 if (type == SID_NAME_USE_NONE) {
3809 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3810 sid_string_dbg(domain_sid)));
3811 return NT_STATUS_UNSUCCESSFUL;
3812 }
3813
3814 if (num_members == 0) {
3815 return NT_STATUS_OK;
3816 }
3817
3818 filter = talloc_asprintf(mem_ctx,
3819 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3820 LDAP_OBJ_GROUPMAP, type);
3821
3822 for (i=0; i<num_members; i++)
3823 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3824 filter,
3825 sid_string_talloc(mem_ctx,
3826 &members[i]));
3827
3828 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3829
3830 if (filter == NULL) {
3831 return NT_STATUS_NO_MEMORY;
3832 }
3833
3834 if (is_builtin &&
3835 ldap_state->search_cache.filter &&
3836 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3837 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3838 result = ldap_state->search_cache.result;
3839 ldap_state->search_cache.result = NULL;
3840 } else {
3841 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3842 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3843 if (rc != LDAP_SUCCESS) {
3844 return NT_STATUS_UNSUCCESSFUL;
3845 }
3846 talloc_autofree_ldapmsg(filter, result);
3847 }
3848
3849 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3850
3851 for (entry = ldap_first_entry(ldap_struct, result);
3852 entry != NULL;
3853 entry = ldap_next_entry(ldap_struct, entry))
3854 {
3855 fstring sid_str;
3856 struct dom_sid sid;
3857 uint32_t rid;
3858
3859 if (!smbldap_get_single_attribute(ldap_struct, entry,
3860 LDAP_ATTRIBUTE_SID,
3861 sid_str,
3862 sizeof(sid_str)-1))
3863 continue;
3864
3865 if (!string_to_sid(&sid, sid_str))
3866 continue;
3867
3868 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3869 continue;
3870
3871 sid_added = true;
3872
3873 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3874 p_num_alias_rids)) {
3875 return NT_STATUS_NO_MEMORY;
3876 }
3877 }
3878
3879 if (!is_builtin && !sid_added) {
3880 TALLOC_FREE(ldap_state->search_cache.filter);
3881 /*
3882 * Note: result is a talloc child of filter because of the
3883 * talloc_autofree_ldapmsg() usage
3884 */
3885 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3886 ldap_state->search_cache.result = result;
3887 }
3888
3889 return NT_STATUS_OK;
3890 }
3891
3892 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3893 enum pdb_policy_type type,
3894 uint32_t value)
3895 {
3896 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3897 int rc;
3898 LDAPMod **mods = NULL;
3899 fstring value_string;
3900 const char *policy_attr = NULL;
3901
3902 struct ldapsam_privates *ldap_state =
3903 (struct ldapsam_privates *)methods->private_data;
3904
3905 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3906
3907 if (!ldap_state->domain_dn) {
3908 return NT_STATUS_INVALID_PARAMETER;
3909 }
3910
3911 policy_attr = get_account_policy_attr(type);
3912 if (policy_attr == NULL) {
3913 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3914 "policy\n"));
3915 return ntstatus;
3916 }
3917
3918 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3919
3920 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3921
3922 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3923 mods);
3924
3925 ldap_mods_free(mods, True);
3926
3927 if (rc != LDAP_SUCCESS) {
3928 return ntstatus;
3929 }
3930
3931 if (!cache_account_policy_set(type, value)) {
3932 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3933 "update local tdb cache\n"));
3934 return ntstatus;
3935 }
3936
3937 return NT_STATUS_OK;
3938 }
3939
3940 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3941 enum pdb_policy_type type,
3942 uint32_t value)
3943 {
3944 return ldapsam_set_account_policy_in_ldap(methods, type,
3945 value);
3946 }
3947
3948 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3949 enum pdb_policy_type type,
3950 uint32_t *value)
3951 {
3952 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3953 LDAPMessage *result = NULL;
3954 LDAPMessage *entry = NULL;
3955 int count;
3956 int rc;
3957 char **vals = NULL;
3958 char *filter;
3959 const char *policy_attr = NULL;
3960
3961 struct ldapsam_privates *ldap_state =
3962 (struct ldapsam_privates *)methods->private_data;
3963
3964 const char *attrs[2];
3965
3966 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3967
3968 if (!ldap_state->domain_dn) {
3969 return NT_STATUS_INVALID_PARAMETER;
3970 }
3971
3972 policy_attr = get_account_policy_attr(type);
3973 if (!policy_attr) {
3974 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3975 "policy index: %d\n", type));
3976 return ntstatus;
3977 }
3978
3979 attrs[0] = policy_attr;
3980 attrs[1] = NULL;
3981
3982 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
3983 if (filter == NULL) {
3984 return NT_STATUS_NO_MEMORY;
3985 }
3986 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3987 LDAP_SCOPE_BASE, filter, attrs, 0,
3988 &result);
3989 TALLOC_FREE(filter);
3990 if (rc != LDAP_SUCCESS) {
3991 return ntstatus;
3992 }
3993
3994 count = ldap_count_entries(priv2ld(ldap_state), result);
3995 if (count < 1) {
3996 goto out;
3997 }
3998
3999 entry = ldap_first_entry(priv2ld(ldap_state), result);
4000 if (entry == NULL) {
4001 goto out;
4002 }
4003
4004 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4005 if (vals == NULL) {
4006 goto out;
4007 }
4008
4009 *value = (uint32_t)atol(vals[0]);
4010
4011 ntstatus = NT_STATUS_OK;
4012
4013 out:
4014 if (vals)
4015 ldap_value_free(vals);
4016 ldap_msgfree(result);
4017
4018 return ntstatus;
4019 }
4020
4021 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4022
4023 - if user hasn't decided to use account policies inside LDAP just reuse the
4024 old tdb values
4025
4026 - if there is a valid cache entry, return that
4027 - if there is an LDAP entry, update cache and return
4028 - otherwise set to default, update cache and return
4029
4030 Guenther
4031 */
4032 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4033 enum pdb_policy_type type,
4034 uint32_t *value)
4035 {
4036 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4037
4038 if (cache_account_policy_get(type, value)) {
4039 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4040 "cache\n"));
4041 return NT_STATUS_OK;
4042 }
4043
4044 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4045 value);
4046 if (NT_STATUS_IS_OK(ntstatus)) {
4047 goto update_cache;
4048 }
4049
4050 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4051 "ldap\n"));
4052
4053 #if 0
4054 /* should we automagically migrate old tdb value here ? */
4055 if (account_policy_get(type, value))
4056 goto update_ldap;
4057
4058 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4059 "default\n", type));
4060 #endif
4061
4062 if (!account_policy_get_default(type, value)) {
4063 return ntstatus;
4064 }
4065
4066 /* update_ldap: */
4067
4068 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4069 if (!NT_STATUS_IS_OK(ntstatus)) {
4070 return ntstatus;
4071 }
4072
4073 update_cache:
4074
4075 if (!cache_account_policy_set(type, *value)) {
4076 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4077 "tdb as a cache\n"));
4078 return NT_STATUS_UNSUCCESSFUL;
4079 }
4080
4081 return NT_STATUS_OK;
4082 }
4083
4084 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4085 const struct dom_sid *domain_sid,
4086 int num_rids,
4087 uint32_t *rids,
4088 const char **names,
4089 enum lsa_SidType *attrs)
4090 {
4091 struct ldapsam_privates *ldap_state =
4092 (struct ldapsam_privates *)methods->private_data;
4093 LDAPMessage *msg = NULL;
4094 LDAPMessage *entry;
4095 char *allsids = NULL;
4096 int i, rc, num_mapped;
4097 NTSTATUS result = NT_STATUS_NO_MEMORY;
4098 TALLOC_CTX *mem_ctx;
4099 LDAP *ld;
4100 bool is_builtin;
4101
4102 mem_ctx = talloc_new(NULL);
4103 if (mem_ctx == NULL) {
4104 DEBUG(0, ("talloc_new failed\n"));
4105 goto done;
4106 }
4107
4108 if (!sid_check_is_builtin(domain_sid) &&
4109 !sid_check_is_domain(domain_sid)) {
4110 result = NT_STATUS_INVALID_PARAMETER;
4111 goto done;
4112 }
4113
4114 if (num_rids == 0) {
4115 result = NT_STATUS_NONE_MAPPED;
4116 goto done;
4117 }
4118
4119 for (i=0; i<num_rids; i++)
4120 attrs[i] = SID_NAME_UNKNOWN;
4121
4122 allsids = talloc_strdup(mem_ctx, "");
4123 if (allsids == NULL) {
4124 goto done;
4125 }
4126
4127 for (i=0; i<num_rids; i++) {
4128 struct dom_sid sid;
4129 sid_compose(&sid, domain_sid, rids[i]);
4130 allsids = talloc_asprintf_append_buffer(
4131 allsids, "(sambaSid=%s)",
4132 sid_string_talloc(mem_ctx, &sid));
4133 if (allsids == NULL) {
4134 goto done;
4135 }
4136 }
4137
4138 /* First look for users */
4139
4140 {
4141 char *filter;
4142 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4143
4144 filter = talloc_asprintf(
4145 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4146 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4147
4148 if (filter == NULL) {
4149 goto done;
4150 }
4151
4152 rc = smbldap_search(ldap_state->smbldap_state,
4153 lp_ldap_user_suffix(),
4154 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4155 &msg);
4156 talloc_autofree_ldapmsg(mem_ctx, msg);
4157 }
4158
4159 if (rc != LDAP_SUCCESS)
4160 goto done;
4161
4162 ld = ldap_state->smbldap_state->ldap_struct;
4163 num_mapped = 0;
4164
4165 for (entry = ldap_first_entry(ld, msg);
4166 entry != NULL;
4167 entry = ldap_next_entry(ld, entry)) {
4168 uint32_t rid;
4169 int rid_index;
4170 const char *name;
4171
4172 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4173 &rid)) {
4174 DEBUG(2, ("Could not find sid from ldap entry\n"));
4175 continue;
4176 }
4177
4178 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4179 names);
4180 if (name == NULL) {
4181 DEBUG(2, ("Could not retrieve uid attribute\n"));
4182 continue;
4183 }
4184
4185 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4186 if (rid == rids[rid_index])
4187 break;
4188 }
4189
4190 if (rid_index == num_rids) {
4191 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4192 continue;
4193 }
4194
4195 attrs[rid_index] = SID_NAME_USER;
4196 names[rid_index] = name;
4197 num_mapped += 1;
4198 }
4199
4200 if (num_mapped == num_rids) {
4201 /* No need to look for groups anymore -- we're done */
4202 result = NT_STATUS_OK;
4203 goto done;
4204 }
4205
4206 /* Same game for groups */
4207
4208 {
4209 char *filter;
4210 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4211 "sambaGroupType", NULL };
4212
4213 filter = talloc_asprintf(
4214 mem_ctx, "(&(objectClass=%s)(|%s))",
4215 LDAP_OBJ_GROUPMAP, allsids);
4216 if (filter == NULL) {
4217 goto done;
4218 }
4219
4220 rc = smbldap_search(ldap_state->smbldap_state,
4221 lp_ldap_suffix(),
4222 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4223 &msg);
4224 talloc_autofree_ldapmsg(mem_ctx, msg);
4225 }
4226
4227 if (rc != LDAP_SUCCESS)
4228 goto done;
4229
4230 /* ldap_struct might have changed due to a reconnect */
4231
4232 ld = ldap_state->smbldap_state->ldap_struct;
4233
4234 /* For consistency checks, we already checked we're only domain or builtin */
4235
4236 is_builtin = sid_check_is_builtin(domain_sid);
4237
4238 for (entry = ldap_first_entry(ld, msg);
4239 entry != NULL;
4240 entry = ldap_next_entry(ld, entry))
4241 {
4242 uint32_t rid;
4243 int rid_index;
4244 const char *attr;
4245 enum lsa_SidType type;
4246 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4247
4248 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4249 mem_ctx);
4250 if (attr == NULL) {
4251 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4252 dn));
4253 continue;
4254 }
4255
4256 type = (enum lsa_SidType)atol(attr);
4257
4258 /* Consistency checks */
4259 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4260 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4261 (type != SID_NAME_DOM_GRP)))) {
4262 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4263 }
4264
4265 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4266 &rid)) {
4267 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4268 continue;
4269 }
4270
4271 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4272
4273 if (attr == NULL) {
4274 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4275 dn));
4276 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4277 }
4278
4279 if (attr == NULL) {
4280 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4281 dn));
4282 continue;
4283 }
4284
4285 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4286 if (rid == rids[rid_index])
4287 break;
4288 }
4289
4290 if (rid_index == num_rids) {
4291 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4292 continue;
4293 }
4294
4295 attrs[rid_index] = type;
4296 names[rid_index] = attr;
4297 num_mapped += 1;
4298 }
4299
4300 result = NT_STATUS_NONE_MAPPED;
4301
4302 if (num_mapped > 0)
4303 result = (num_mapped == num_rids) ?
4304 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4305 done:
4306 TALLOC_FREE(mem_ctx);
4307 return result;
4308 }
4309
4310 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4311 {
4312 char *filter = NULL;
4313 char *escaped = NULL;
4314 char *result = NULL;
4315
4316 if (asprintf(&filter, "(&%s(objectclass=%s))",
4317 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4318 goto done;
4319 }
4320
4321 escaped = escape_ldap_string(talloc_tos(), username);
4322 if (escaped == NULL) goto done;
4323
4324 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4325
4326 done:
4327 SAFE_FREE(filter);
4328 TALLOC_FREE(escaped);
4329
4330 return result;
4331 }
4332
4333 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4334 {
4335 int i, num = 0;
4336 va_list ap;
4337 const char **result;
4338
4339 va_start(ap, mem_ctx);
4340 while (va_arg(ap, const char *) != NULL)
4341 num += 1;
4342 va_end(ap);
4343
4344 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4345 return NULL;
4346 }
4347
4348 va_start(ap, mem_ctx);
4349 for (i=0; i<num; i++) {
4350 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4351 if (result[i] == NULL) {
4352 talloc_free(result);
4353 va_end(ap);
4354 return NULL;
4355 }
4356 }
4357 va_end(ap);
4358
4359 result[num] = NULL;
4360 return result;
4361 }
4362
4363 struct ldap_search_state {
4364 struct smbldap_state *connection;
4365
4366 uint32_t acct_flags;
4367 uint16_t group_type;
4368
4369 const char *base;
4370 int scope;
4371 const char *filter;
4372 const char **attrs;
4373 int attrsonly;
4374 void *pagedresults_cookie;
4375
4376 LDAPMessage *entries, *current_entry;
4377 bool (*ldap2displayentry)(struct ldap_search_state *state,
4378 TALLOC_CTX *mem_ctx,
4379 LDAP *ld, LDAPMessage *entry,
4380 struct samr_displayentry *result);
4381 };
4382
4383 static bool ldapsam_search_firstpage(struct pdb_search *search)
4384 {
4385 struct ldap_search_state *state =
4386 (struct ldap_search_state *)search->private_data;
4387 LDAP *ld;
4388 int rc = LDAP_OPERATIONS_ERROR;
4389
4390 state->entries = NULL;
4391
4392 if (state->connection->paged_results) {
4393 rc = smbldap_search_paged(state->connection, state->base,
4394 state->scope, state->filter,
4395 state->attrs, state->attrsonly,
4396 lp_ldap_page_size(), &state->entries,
4397 &state->pagedresults_cookie);
4398 }
4399
4400 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4401
4402 if (state->entries != NULL) {
4403 /* Left over from unsuccessful paged attempt */
4404 ldap_msgfree(state->entries);
4405 state->entries = NULL;
4406 }
4407
4408 rc = smbldap_search(state->connection, state->base,
4409 state->scope, state->filter, state->attrs,
4410 state->attrsonly, &state->entries);
4411
4412 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4413 return False;
4414
4415 /* Ok, the server was lying. It told us it could do paged
4416 * searches when it could not. */
4417 state->connection->paged_results = False;
4418 }
4419
4420 ld = state->connection->ldap_struct;
4421 if ( ld == NULL) {
4422 DEBUG(5, ("Don't have an LDAP connection right after a "
4423 "search\n"));
4424 return False;
4425 }
4426 state->current_entry = ldap_first_entry(ld, state->entries);
4427
4428 return True;
4429 }
4430
4431 static bool ldapsam_search_nextpage(struct pdb_search *search)
4432 {
4433 struct ldap_search_state *state =
4434 (struct ldap_search_state *)search->private_data;
4435 int rc;
4436
4437 if (!state->connection->paged_results) {
4438 /* There is no next page when there are no paged results */
4439 return False;
4440 }
4441
4442 rc = smbldap_search_paged(state->connection, state->base,
4443 state->scope, state->filter, state->attrs,
4444 state->attrsonly, lp_ldap_page_size(),
4445 &state->entries,
4446 &state->pagedresults_cookie);
4447
4448 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4449 return False;
4450
4451 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4452
4453 if (state->current_entry == NULL) {
4454 ldap_msgfree(state->entries);
4455 state->entries = NULL;
4456 return false;
4457 }
4458
4459 return True;
4460 }
4461
4462 static bool ldapsam_search_next_entry(struct pdb_search *search,
4463 struct samr_displayentry *entry)
4464 {
4465 struct ldap_search_state *state =
4466 (struct ldap_search_state *)search->private_data;
4467 bool result;
4468
4469 retry:
4470 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4471 return False;
4472
4473 if ((state->entries == NULL) &&
4474 !ldapsam_search_nextpage(search))
4475 return False;
4476
4477 if (state->current_entry == NULL) {
4478 return false;
4479 }
4480
4481 result = state->ldap2displayentry(state, search,
4482 state->connection->ldap_struct,
4483 state->current_entry, entry);
4484
4485 if (!result) {
4486 char *dn;
4487 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4488 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4489 if (dn != NULL) ldap_memfree(dn);
4490 }
4491
4492 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4493
4494 if (state->current_entry == NULL) {
4495 ldap_msgfree(state->entries);
4496 state->entries = NULL;
4497 }
4498
4499 if (!result) goto retry;
4500
4501 return True;
4502 }
4503
4504 static void ldapsam_search_end(struct pdb_search *search)
4505 {
4506 struct ldap_search_state *state =
4507 (struct ldap_search_state *)search->private_data;
4508 int rc;
4509
4510 if (state->pagedresults_cookie == NULL)
4511 return;
4512
4513 if (state->entries != NULL)
4514 ldap_msgfree(state->entries);
4515
4516 state->entries = NULL;
4517 state->current_entry = NULL;
4518
4519 if (!state->connection->paged_results)
4520 return;
4521
4522 /* Tell the LDAP server we're not interested in the rest anymore. */
4523
4524 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4525 state->filter, state->attrs,
4526 state->attrsonly, 0, &state->entries,
4527 &state->pagedresults_cookie);
4528
4529 if (rc != LDAP_SUCCESS)
4530 DEBUG(5, ("Could not end search properly\n"));
4531
4532 return;
4533 }
4534
4535 static bool ldapuser2displayentry(struct ldap_search_state *state,
4536 TALLOC_CTX *mem_ctx,
4537 LDAP *ld, LDAPMessage *entry,
4538 struct samr_displayentry *result)
4539 {
4540 char **vals;
4541 size_t converted_size;
4542 struct dom_sid sid;
4543 uint32_t acct_flags;
4544
4545 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4546 if ((vals == NULL) || (vals[0] == NULL)) {
4547 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4548 return False;
4549 }
4550 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4551 ldap_value_free(vals);
4552
4553 if ((state->acct_flags != 0) &&
4554 ((state->acct_flags & acct_flags) == 0))
4555 return False;
4556
4557 result->acct_flags = acct_flags;
4558 result->account_name = "";
4559 result->fullname = "";
4560 result->description = "";
4561
4562 vals = ldap_get_values(ld, entry, "uid");
4563 if ((vals == NULL) || (vals[0] == NULL)) {
4564 DEBUG(5, ("\"uid\" not found\n"));
4565 return False;
4566 }
4567 if (!pull_utf8_talloc(mem_ctx,
4568 discard_const_p(char *, &result->account_name),
4569 vals[0], &converted_size))
4570 {
4571 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4572 strerror(errno)));
4573 }
4574
4575 ldap_value_free(vals);
4576
4577 vals = ldap_get_values(ld, entry, "displayName");
4578 if ((vals == NULL) || (vals[0] == NULL))
4579 DEBUG(8, ("\"displayName\" not found\n"));
4580 else if (!pull_utf8_talloc(mem_ctx,
4581 discard_const_p(char *, &result->fullname),
4582 vals[0], &converted_size))
4583 {
4584 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4585 strerror(errno)));
4586 }
4587
4588 ldap_value_free(vals);
4589
4590 vals = ldap_get_values(ld, entry, "description");
4591 if ((vals == NULL) || (vals[0] == NULL))
4592 DEBUG(8, ("\"description\" not found\n"));
4593 else if (!pull_utf8_talloc(mem_ctx,
4594 discard_const_p(char *, &result->description),
4595 vals[0], &converted_size))
4596 {
4597 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4598 strerror(errno)));
4599 }
4600
4601 ldap_value_free(vals);
4602
4603 if ((result->account_name == NULL) ||
4604 (result->fullname == NULL) ||
4605 (result->description == NULL)) {
4606 DEBUG(0, ("talloc failed\n"));
4607 return False;
4608 }
4609
4610 vals = ldap_get_values(ld, entry, "sambaSid");
4611 if ((vals == NULL) || (vals[0] == NULL)) {
4612 DEBUG(0, ("\"objectSid\" not found\n"));
4613 return False;
4614 }
4615
4616 if (!string_to_sid(&sid, vals[0])) {
4617 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4618 ldap_value_free(vals);
4619 return False;
4620 }
4621 ldap_value_free(vals);
4622
4623 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4624 DEBUG(0, ("sid %s does not belong to our domain\n",
4625 sid_string_dbg(&sid)));
4626 return False;
4627 }
4628
4629 return True;
4630 }
4631
4632
4633 static bool ldapsam_search_users(struct pdb_methods *methods,
4634 struct pdb_search *search,
4635 uint32_t acct_flags)
4636 {
4637 struct ldapsam_privates *ldap_state =
4638 (struct ldapsam_privates *)methods->private_data;
4639 struct ldap_search_state *state;
4640
4641 state = talloc(search, struct ldap_search_state);
4642 if (state == NULL) {
4643 DEBUG(0, ("talloc failed\n"));
4644 return False;
4645 }
4646
4647 state->connection = ldap_state->smbldap_state;
4648
4649 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4650 state->base = lp_ldap_user_suffix();
4651 else if ((acct_flags != 0) &&
4652 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4653 state->base = lp_ldap_machine_suffix();
4654 else
4655 state->base = lp_ldap_suffix();
4656
4657 state->acct_flags = acct_flags;
4658 state->base = talloc_strdup(search, state->base);
4659 state->scope = LDAP_SCOPE_SUBTREE;
4660 state->filter = get_ldap_filter(search, "*");
4661 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4662 "displayName", "description",
4663 "sambaAcctFlags", NULL);
4664 state->attrsonly = 0;
4665 state->pagedresults_cookie = NULL;
4666 state->entries = NULL;
4667 state->ldap2displayentry = ldapuser2displayentry;
4668
4669 if ((state->filter == NULL) || (state->attrs == NULL)) {
4670 DEBUG(0, ("talloc failed\n"));
4671 return False;
4672 }
4673
4674 search->private_data = state;
4675 search->next_entry = ldapsam_search_next_entry;
4676 search->search_end = ldapsam_search_end;
4677
4678 return ldapsam_search_firstpage(search);
4679 }
4680
4681 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4682 TALLOC_CTX *mem_ctx,
4683 LDAP *ld, LDAPMessage *entry,
4684 struct samr_displayentry *result)
4685 {
4686 char **vals;
4687 size_t converted_size;
4688 struct dom_sid sid;
4689 uint16_t group_type;
4690
4691 result->account_name = "";
4692 result->fullname = "";
4693 result->description = "";
4694
4695
4696 vals = ldap_get_values(ld, entry, "sambaGroupType");
4697 if ((vals == NULL) || (vals[0] == NULL)) {
4698 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4699 if (vals != NULL) {
4700 ldap_value_free(vals);
4701 }
4702 return False;
4703 }
4704
4705 group_type = atoi(vals[0]);
4706
4707 if ((state->group_type != 0) &&
4708 ((state->group_type != group_type))) {
4709 ldap_value_free(vals);
4710 return False;
4711 }
4712
4713 ldap_value_free(vals);
4714
4715 /* display name is the NT group name */
4716
4717 vals = ldap_get_values(ld, entry, "displayName");
4718 if ((vals == NULL) || (vals[0] == NULL)) {
4719 DEBUG(8, ("\"displayName\" not found\n"));
4720
4721 /* fallback to the 'cn' attribute */
4722 vals = ldap_get_values(ld, entry, "cn");
4723 if ((vals == NULL) || (vals[0] == NULL)) {
4724 DEBUG(5, ("\"cn\" not found\n"));
4725 return False;
4726 }
4727 if (!pull_utf8_talloc(mem_ctx,
4728 discard_const_p(char *,
4729 &result->account_name),
4730 vals[0], &converted_size))
4731 {
4732 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4733 "failed: %s", strerror(errno)));
4734 }
4735 }
4736 else if (!pull_utf8_talloc(mem_ctx,
4737 discard_const_p(char *,
4738 &result->account_name),
4739 vals[0], &converted_size))
4740 {
4741 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4742 strerror(errno)));
4743 }
4744
4745 ldap_value_free(vals);
4746
4747 vals = ldap_get_values(ld, entry, "description");
4748 if ((vals == NULL) || (vals[0] == NULL))
4749 DEBUG(8, ("\"description\" not found\n"));
4750 else if (!pull_utf8_talloc(mem_ctx,
4751 discard_const_p(char *, &result->description),
4752 vals[0], &converted_size))
4753 {
4754 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4755 strerror(errno)));
4756 }
4757 ldap_value_free(vals);
4758
4759 if ((result->account_name == NULL) ||
4760 (result->fullname == NULL) ||
4761 (result->description == NULL)) {
4762 DEBUG(0, ("talloc failed\n"));
4763 return False;
4764 }
4765
4766 vals = ldap_get_values(ld, entry, "sambaSid");
4767 if ((vals == NULL) || (vals[0] == NULL)) {
4768 DEBUG(0, ("\"objectSid\" not found\n"));
4769 if (vals != NULL) {
4770 ldap_value_free(vals);
4771 }
4772 return False;
4773 }
4774
4775 if (!string_to_sid(&sid, vals[0])) {
4776 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4777 return False;
4778 }
4779
4780 ldap_value_free(vals);
4781
4782 switch (group_type) {
4783 case SID_NAME_DOM_GRP:
4784 case SID_NAME_ALIAS:
4785
4786 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4787 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4788 {
4789 DEBUG(0, ("%s is not in our domain\n",
4790 sid_string_dbg(&sid)));
4791 return False;
4792 }
4793 break;
4794
4795 default:
4796 DEBUG(0,("unknown group type: %d\n", group_type));
4797 return False;
4798 }
4799
4800 result->acct_flags = 0;
4801
4802 return True;
4803 }
4804
4805 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4806 struct pdb_search *search,
4807 const struct dom_sid *sid,
4808 enum lsa_SidType type)
4809 {
4810 struct ldapsam_privates *ldap_state =
4811 (struct ldapsam_privates *)methods->private_data;
4812 struct ldap_search_state *state;
4813 fstring tmp;
4814
4815 state = talloc(search, struct ldap_search_state);
4816 if (state == NULL) {
4817 DEBUG(0, ("talloc failed\n"));
4818 return False;
4819 }
4820
4821 state->connection = ldap_state->smbldap_state;
4822
4823 state->base = talloc_strdup(search, lp_ldap_suffix());
4824 state->connection = ldap_state->smbldap_state;
4825 state->scope = LDAP_SCOPE_SUBTREE;
4826 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4827 "(sambaGroupType=%d)(sambaSID=%s*))",
4828 LDAP_OBJ_GROUPMAP,
4829 type, sid_to_fstring(tmp, sid));
4830 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4831 "displayName", "description",
4832 "sambaGroupType", NULL);
4833 state->attrsonly = 0;
4834 state->pagedresults_cookie = NULL;
4835 state->entries = NULL;
4836 state->group_type = type;
4837 state->ldap2displayentry = ldapgroup2displayentry;
4838
4839 if ((state->filter == NULL) || (state->attrs == NULL)) {
4840 DEBUG(0, ("talloc failed\n"));
4841 return False;
4842 }
4843
4844 search->private_data = state;
4845 search->next_entry = ldapsam_search_next_entry;
4846 search->search_end = ldapsam_search_end;
4847
4848 return ldapsam_search_firstpage(search);
4849 }
4850
4851 static bool ldapsam_search_groups(struct pdb_methods *methods,
4852 struct pdb_search *search)
4853 {
4854 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4855 }
4856
4857 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4858 struct pdb_search *search,
4859 const struct dom_sid *sid)
4860 {
4861 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4862 }
4863
4864 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4865 {
4866 return PDB_CAP_STORE_RIDS;
4867 }
4868
4869 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4870 uint32_t *rid)
4871 {
4872 struct smbldap_state *smbldap_state = priv->smbldap_state;
4873
4874 LDAPMessage *result = NULL;
4875 LDAPMessage *entry = NULL;
4876 LDAPMod **mods = NULL;
4877 NTSTATUS status;
4878 char *value;
4879 int rc;
4880 uint32_t nextRid = 0;
4881 const char *dn;
4882
4883 TALLOC_CTX *mem_ctx;
4884
4885 mem_ctx = talloc_new(NULL);
4886 if (mem_ctx == NULL) {
4887 DEBUG(0, ("talloc_new failed\n"));
4888 return NT_STATUS_NO_MEMORY;
4889 }
4890
4891 status = smbldap_search_domain_info(smbldap_state, &result,
4892 get_global_sam_name(), False);
4893 if (!NT_STATUS_IS_OK(status)) {
4894 DEBUG(3, ("Could not get domain info: %s\n",
4895 nt_errstr(status)));
4896 goto done;
4897 }
4898
4899 talloc_autofree_ldapmsg(mem_ctx, result);
4900
4901 entry = ldap_first_entry(priv2ld(priv), result);
4902 if (entry == NULL) {
4903 DEBUG(0, ("Could not get domain info entry\n"));
4904 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4905 goto done;
4906 }
4907
4908 /* Find the largest of the three attributes "sambaNextRid",
4909 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4910 concept of differentiating between user and group rids, and will
4911 use only "sambaNextRid" in the future. But for compatibility
4912 reasons I look if others have chosen different strategies -- VL */
4913
4914 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4915 "sambaNextRid", mem_ctx);
4916 if (value != NULL) {
4917 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4918 nextRid = MAX(nextRid, tmp);
4919 }
4920
4921 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4922 "sambaNextUserRid", mem_ctx);
4923 if (value != NULL) {
4924 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4925 nextRid = MAX(nextRid, tmp);
4926 }
4927
4928 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4929 "sambaNextGroupRid", mem_ctx);
4930 if (value != NULL) {
4931 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4932 nextRid = MAX(nextRid, tmp);
4933 }
4934
4935 if (nextRid == 0) {
4936 nextRid = BASE_RID-1;
4937 }
4938
4939 nextRid += 1;
4940
4941 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4942 talloc_asprintf(mem_ctx, "%d", nextRid));
4943 talloc_autofree_ldapmod(mem_ctx, mods);
4944
4945 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4946 status = NT_STATUS_NO_MEMORY;
4947 goto done;
4948 }
4949
4950 rc = smbldap_modify(smbldap_state, dn, mods);
4951
4952 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4953 * please retry" */
4954
4955 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4956
4957 done:
4958 if (NT_STATUS_IS_OK(status)) {
4959 *rid = nextRid;
4960 }
4961
4962 TALLOC_FREE(mem_ctx);
4963 return status;
4964 }
4965
4966 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4967 {
4968 int i;
4969
4970 for (i=0; i<10; i++) {
4971 NTSTATUS result = ldapsam_get_new_rid(
4972 (struct ldapsam_privates *)methods->private_data, rid);
4973 if (NT_STATUS_IS_OK(result)) {
4974 return result;
4975 }
4976
4977 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4978 return result;
4979 }
4980
4981 /* The ldap update failed (maybe a race condition), retry */
4982 }
4983
4984 /* Tried 10 times, fail. */
4985 return NT_STATUS_ACCESS_DENIED;
4986 }
4987
4988 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
4989 {
4990 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4991 return NT_STATUS_IS_OK(result) ? True : False;
4992 }
4993
4994 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
4995 const struct dom_sid *sid,
4996 uid_t *uid, gid_t *gid,
4997 enum lsa_SidType *type)
4998 {
4999 struct ldapsam_privates *priv =
5000 (struct ldapsam_privates *)methods->private_data;
5001 char *filter;
5002 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5003 NULL };
5004 LDAPMessage *result = NULL;
5005 LDAPMessage *entry = NULL;
5006 bool ret = False;
5007 char *value;
5008 int rc;
5009
5010 TALLOC_CTX *mem_ctx;
5011
5012 mem_ctx = talloc_new(NULL);
5013 if (mem_ctx == NULL) {
5014 DEBUG(0, ("talloc_new failed\n"));
5015 return False;
5016 }
5017
5018 filter = talloc_asprintf(mem_ctx,
5019 "(&(sambaSid=%s)"
5020 "(|(objectClass=%s)(objectClass=%s)))",
5021 sid_string_talloc(mem_ctx, sid),
5022 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5023 if (filter == NULL) {
5024 DEBUG(5, ("talloc_asprintf failed\n"));
5025 goto done;
5026 }
5027
5028 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5029 attrs, &result);
5030 if (rc != LDAP_SUCCESS) {
5031 goto done;
5032 }
5033 talloc_autofree_ldapmsg(mem_ctx, result);
5034
5035 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5036 DEBUG(10, ("Got %d entries, expected one\n",
5037 ldap_count_entries(priv2ld(priv), result)));
5038 goto done;
5039 }
5040
5041 entry = ldap_first_entry(priv2ld(priv), result);
5042
5043 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5044 "sambaGroupType", mem_ctx);
5045
5046 if (value != NULL) {
5047 const char *gid_str;
5048 /* It's a group */
5049
5050 gid_str = smbldap_talloc_single_attribute(
5051 priv2ld(priv), entry, "gidNumber", mem_ctx);
5052 if (gid_str == NULL) {
5053 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5054 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5055 entry)));
5056 goto done;
5057 }
5058
5059 *gid = strtoul(gid_str, NULL, 10);
5060 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5061 store_gid_sid_cache(sid, *gid);
5062 idmap_cache_set_sid2gid(sid, *gid);
5063 ret = True;
5064 goto done;
5065 }
5066
5067 /* It must be a user */
5068
5069 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5070 "uidNumber", mem_ctx);
5071 if (value == NULL) {
5072 DEBUG(1, ("Could not find uidNumber in %s\n",
5073 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5074 goto done;
5075 }
5076
5077 *uid = strtoul(value, NULL, 10);
5078 *type = SID_NAME_USER;
5079 store_uid_sid_cache(sid, *uid);
5080 idmap_cache_set_sid2uid(sid, *uid);
5081
5082 ret = True;
5083 done:
5084 TALLOC_FREE(mem_ctx);
5085 return ret;
5086 }
5087
5088 /**
5089 * Find the SID for a uid.
5090 * This is shortcut is only used if ldapsam:trusted is set to true.
5091 */
5092 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5093 struct dom_sid *sid)
5094 {
5095 struct ldapsam_privates *priv =
5096 (struct ldapsam_privates *)methods->private_data;
5097 char *filter;
5098 const char *attrs[] = { "sambaSID", NULL };
5099 LDAPMessage *result = NULL;
5100 LDAPMessage *entry = NULL;
5101 bool ret = false;
5102 char *user_sid_string;
5103 struct dom_sid user_sid;
5104 int rc;
5105 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5106
5107 filter = talloc_asprintf(tmp_ctx,
5108 "(&(uidNumber=%u)"
5109 "(objectClass=%s)"
5110 "(objectClass=%s))",
5111 (unsigned int)uid,
5112 LDAP_OBJ_POSIXACCOUNT,
5113 LDAP_OBJ_SAMBASAMACCOUNT);
5114 if (filter == NULL) {
5115 DEBUG(3, ("talloc_asprintf failed\n"));
5116 goto done;
5117 }
5118
5119 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5120 if (rc != LDAP_SUCCESS) {
5121 goto done;
5122 }
5123 talloc_autofree_ldapmsg(tmp_ctx, result);
5124
5125 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5126 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5127 ldap_count_entries(priv2ld(priv), result),
5128 (unsigned int)uid));
5129 goto done;
5130 }
5131
5132 entry = ldap_first_entry(priv2ld(priv), result);
5133
5134 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5135 "sambaSID", tmp_ctx);
5136 if (user_sid_string == NULL) {
5137 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5138 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5139 goto done;
5140 }
5141
5142 if (!string_to_sid(&user_sid, user_sid_string)) {
5143 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5144 user_sid_string));
5145 goto done;
5146 }
5147
5148 sid_copy(sid, &user_sid);
5149
5150 store_uid_sid_cache(sid, uid);
5151 idmap_cache_set_sid2uid(sid, uid);
5152
5153 ret = true;
5154
5155 done:
5156 TALLOC_FREE(tmp_ctx);
5157 return ret;
5158 }
5159
5160 /**
5161 * Find the SID for a gid.
5162 * This is shortcut is only used if ldapsam:trusted is set to true.
5163 */
5164 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5165 struct dom_sid *sid)
5166 {
5167 struct ldapsam_privates *priv =
5168 (struct ldapsam_privates *)methods->private_data;
5169 char *filter;
5170 const char *attrs[] = { "sambaSID", NULL };
5171 LDAPMessage *result = NULL;
5172 LDAPMessage *entry = NULL;
5173 bool ret = false;
5174 char *group_sid_string;
5175 struct dom_sid group_sid;
5176 int rc;
5177 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5178
5179 filter = talloc_asprintf(tmp_ctx,
5180 "(&(gidNumber=%u)"
5181 "(objectClass=%s))",
5182 (unsigned int)gid,
5183 LDAP_OBJ_GROUPMAP);
5184 if (filter == NULL) {
5185 DEBUG(3, ("talloc_asprintf failed\n"));
5186 goto done;
5187 }
5188
5189 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5190 if (rc != LDAP_SUCCESS) {
5191 goto done;
5192 }
5193 talloc_autofree_ldapmsg(tmp_ctx, result);
5194
5195 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5196 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5197 ldap_count_entries(priv2ld(priv), result),
5198 (unsigned int)gid));
5199 goto done;
5200 }
5201
5202 entry = ldap_first_entry(priv2ld(priv), result);
5203
5204 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5205 "sambaSID", tmp_ctx);
5206 if (group_sid_string == NULL) {
5207 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5208 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5209 goto done;
5210 }
5211
5212 if (!string_to_sid(&group_sid, group_sid_string)) {
5213 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5214 group_sid_string));
5215 goto done;
5216 }
5217
5218 sid_copy(sid, &group_sid);
5219
5220 store_gid_sid_cache(sid, gid);
5221 idmap_cache_set_sid2gid(sid, gid);
5222
5223 ret = true;
5224
5225 done:
5226 TALLOC_FREE(tmp_ctx);
5227 return ret;
5228 }
5229
5230
5231 /*
5232 * The following functions are called only if
5233 * ldapsam:trusted and ldapsam:editposix are
5234 * set to true
5235 */
5236
5237 /*
5238 * ldapsam_create_user creates a new
5239 * posixAccount and sambaSamAccount object
5240 * in the ldap users subtree
5241 *
5242 * The uid is allocated by winbindd.
5243 */
5244
5245 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5246 TALLOC_CTX *tmp_ctx, const char *name,
5247 uint32_t acb_info, uint32_t *rid)
5248 {
5249 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5250 LDAPMessage *entry = NULL;
5251 LDAPMessage *result = NULL;
5252 uint32_t num_result;
5253 bool is_machine = False;
5254 bool add_posix = False;
5255 LDAPMod **mods = NULL;
5256 struct samu *user;
5257 char *filter;
5258 char *username;
5259 char *homedir;
5260 char *gidstr;
5261 char *uidstr;
5262 char *shell;
5263 const char *dn = NULL;
5264 struct dom_sid group_sid;
5265 struct dom_sid user_sid;
5266 gid_t gid = -1;
5267 uid_t uid = -1;
5268 NTSTATUS ret;
5269 int rc;
5270
5271 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5272 acb_info & ACB_WSTRUST ||
5273 acb_info & ACB_SVRTRUST ||
5274 acb_info & ACB_DOMTRUST) {
5275 is_machine = True;
5276 }
5277
5278 username = escape_ldap_string(talloc_tos(), name);
5279 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5280 username, LDAP_OBJ_POSIXACCOUNT);
5281 TALLOC_FREE(username);
5282
5283 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5284 if (rc != LDAP_SUCCESS) {
5285 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5286 return NT_STATUS_ACCESS_DENIED;
5287 }
5288 talloc_autofree_ldapmsg(tmp_ctx, result);
5289
5290 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5291
5292 if (num_result > 1) {
5293 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5294 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5295 }
5296
5297 if (num_result == 1) {
5298 char *tmp;
5299 /* check if it is just a posix account.
5300 * or if there is a sid attached to this entry
5301 */
5302
5303 entry = ldap_first_entry(priv2ld(ldap_state), result);
5304 if (!entry) {
5305 return NT_STATUS_UNSUCCESSFUL;
5306 }
5307
5308 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5309 if (tmp) {
5310 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5311 return NT_STATUS_USER_EXISTS;
5312 }
5313
5314 /* it is just a posix account, retrieve the dn for later use */
5315 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5316 if (!dn) {
5317 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5318 return NT_STATUS_NO_MEMORY;
5319 }
5320 }
5321
5322 if (num_result == 0) {
5323 add_posix = True;
5324 }
5325
5326 /* Create the basic samu structure and generate the mods for the ldap commit */
5327 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5328 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5329 return ret;
5330 }
5331
5332 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5333
5334 user = samu_new(tmp_ctx);
5335 if (!user) {
5336 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5337 return NT_STATUS_NO_MEMORY;
5338 }
5339
5340 if (!pdb_set_username(user, name, PDB_SET)) {
5341 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5342 return NT_STATUS_UNSUCCESSFUL;
5343 }
5344 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5345 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5346 return NT_STATUS_UNSUCCESSFUL;
5347 }
5348 if (is_machine) {
5349 if (acb_info & ACB_NORMAL) {
5350 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5351 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5352 return NT_STATUS_UNSUCCESSFUL;
5353 }
5354 } else {
5355 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5356 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5357 return NT_STATUS_UNSUCCESSFUL;
5358 }
5359 }
5360 } else {
5361 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5362 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5363 return NT_STATUS_UNSUCCESSFUL;
5364 }
5365 }
5366
5367 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5368 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5369 return NT_STATUS_UNSUCCESSFUL;
5370 }
5371
5372 if (!init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed)) {
5373 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5374 return NT_STATUS_UNSUCCESSFUL;
5375 }
5376
5377 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5378 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5379 }
5380 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5381
5382 if (add_posix) {
5383 char *escape_name;
5384
5385 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5386
5387 /* retrieve the Domain Users group gid */
5388 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5389 !sid_to_gid(&group_sid, &gid)) {
5390 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5391 return NT_STATUS_INVALID_PRIMARY_GROUP;
5392 }
5393
5394 /* lets allocate a new userid for this user */
5395 if (!winbind_allocate_uid(&uid)) {
5396 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5397 return NT_STATUS_UNSUCCESSFUL;
5398 }
5399
5400
5401 if (is_machine) {
5402 /* TODO: choose a more appropriate default for machines */
5403 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5404 shell = talloc_strdup(tmp_ctx, "/bin/false");
5405 } else {
5406 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5407 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5408 }
5409 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5410 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5411
5412 escape_name = escape_rdn_val_string_alloc(name);
5413 if (!escape_name) {
5414 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5415 return NT_STATUS_NO_MEMORY;
5416 }
5417
5418 if (is_machine) {
5419 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5420 } else {
5421 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5422 }
5423
5424 SAFE_FREE(escape_name);
5425
5426 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5427 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5428 return NT_STATUS_NO_MEMORY;
5429 }
5430
5431 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5432 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5433 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5434 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5435 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5436 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5437 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5438 }
5439
5440 talloc_autofree_ldapmod(tmp_ctx, mods);
5441
5442 if (add_posix) {
5443 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5444 } else {
5445 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5446 }
5447
5448 if (rc != LDAP_SUCCESS) {
5449 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5450 return NT_STATUS_UNSUCCESSFUL;
5451 }
5452
5453 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5454
5455 flush_pwnam_cache();
5456
5457 return NT_STATUS_OK;
5458 }
5459
5460 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5461 {
5462 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5463 LDAPMessage *result = NULL;
5464 LDAPMessage *entry = NULL;
5465 int num_result;
5466 const char *dn;
5467 char *filter;
5468 int rc;
5469
5470 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5471
5472 filter = talloc_asprintf(tmp_ctx,
5473 "(&(uid=%s)"
5474 "(objectClass=%s)"
5475 "(objectClass=%s))",
5476 pdb_get_username(sam_acct),
5477 LDAP_OBJ_POSIXACCOUNT,
5478 LDAP_OBJ_SAMBASAMACCOUNT);
5479 if (filter == NULL) {
5480 return NT_STATUS_NO_MEMORY;
5481 }
5482
5483 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5484 if (rc != LDAP_SUCCESS) {
5485 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5486 return NT_STATUS_UNSUCCESSFUL;
5487 }
5488 talloc_autofree_ldapmsg(tmp_ctx, result);
5489
5490 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5491
5492 if (num_result == 0) {
5493 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5494 return NT_STATUS_NO_SUCH_USER;
5495 }
5496
5497 if (num_result > 1) {
5498 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5499 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5500 }
5501
5502 entry = ldap_first_entry(priv2ld(ldap_state), result);
5503 if (!entry) {
5504 return NT_STATUS_UNSUCCESSFUL;
5505 }
5506
5507 /* it is just a posix account, retrieve the dn for later use */
5508 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5509 if (!dn) {
5510 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5511 return NT_STATUS_NO_MEMORY;
5512 }
5513
5514 /* try to remove memberships first */
5515 {
5516 NTSTATUS status;
5517 struct dom_sid *sids = NULL;
5518 gid_t *gids = NULL;
5519 uint32_t num_groups = 0;
5520 int i;
5521 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5522
5523 status = ldapsam_enum_group_memberships(my_methods,
5524 tmp_ctx,
5525 sam_acct,
5526 &sids,
5527 &gids,
5528 &num_groups);
5529 if (!NT_STATUS_IS_OK(status)) {
5530 goto delete_dn;
5531 }
5532
5533 for (i=0; i < num_groups; i++) {
5534
5535 uint32_t group_rid;
5536
5537 sid_peek_rid(&sids[i], &group_rid);
5538
5539 ldapsam_del_groupmem(my_methods,
5540 tmp_ctx,
5541 group_rid,
5542 user_rid);
5543 }
5544 }
5545
5546 delete_dn:
5547
5548 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5549 if (rc != LDAP_SUCCESS) {
5550 return NT_STATUS_UNSUCCESSFUL;
5551 }
5552
5553 flush_pwnam_cache();
5554
5555 return NT_STATUS_OK;
5556 }
5557
5558 /*
5559 * ldapsam_create_group creates a new
5560 * posixGroup and sambaGroupMapping object
5561 * in the ldap groups subtree
5562 *
5563 * The gid is allocated by winbindd.
5564 */
5565
5566 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5567 TALLOC_CTX *tmp_ctx,
5568 const char *name,
5569 uint32_t *rid)
5570 {
5571 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5572 NTSTATUS ret;
5573 LDAPMessage *entry = NULL;
5574 LDAPMessage *result = NULL;
5575 uint32_t num_result;
5576 bool is_new_entry = False;
5577 LDAPMod **mods = NULL;
5578 char *filter;
5579 char *groupsidstr;
5580 char *groupname;
5581 char *grouptype;
5582 char *gidstr;
5583 const char *dn = NULL;
5584 struct dom_sid group_sid;
5585 gid_t gid = -1;
5586 int rc;
5587
5588 groupname = escape_ldap_string(talloc_tos(), name);
5589 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5590 groupname, LDAP_OBJ_POSIXGROUP);
5591 TALLOC_FREE(groupname);
5592
5593 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5594 if (rc != LDAP_SUCCESS) {
5595 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5596 return NT_STATUS_UNSUCCESSFUL;
5597 }
5598 talloc_autofree_ldapmsg(tmp_ctx, result);
5599
5600 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5601
5602 if (num_result > 1) {
5603 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5604 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5605 }
5606
5607 if (num_result == 1) {
5608 char *tmp;
5609 /* check if it is just a posix group.
5610 * or if there is a sid attached to this entry
5611 */
5612
5613 entry = ldap_first_entry(priv2ld(ldap_state), result);
5614 if (!entry) {
5615 return NT_STATUS_UNSUCCESSFUL;
5616 }
5617
5618 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5619 if (tmp) {
5620 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5621 return NT_STATUS_GROUP_EXISTS;
5622 }
5623
5624 /* it is just a posix group, retrieve the gid and the dn for later use */
5625 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5626 if (!tmp) {
5627 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5628 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5629 }
5630
5631 gid = strtoul(tmp, NULL, 10);
5632
5633 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5634 if (!dn) {
5635 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5636 return NT_STATUS_NO_MEMORY;
5637 }
5638 }
5639
5640 if (num_result == 0) {
5641 is_new_entry = true;
5642 }
5643
5644 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5645 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5646 return ret;
5647 }
5648
5649 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5650
5651 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5652 &group_sid));
5653 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5654
5655 if (!groupsidstr || !grouptype) {
5656 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5657 return NT_STATUS_NO_MEMORY;
5658 }
5659
5660 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5661 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5662 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5663 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5664
5665 if (is_new_entry) {
5666 char *escape_name;
5667
5668 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5669
5670 /* lets allocate a new groupid for this group */
5671 if (!winbind_allocate_gid(&gid)) {
5672 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5673 return NT_STATUS_UNSUCCESSFUL;
5674 }
5675
5676 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5677
5678 escape_name = escape_rdn_val_string_alloc(name);
5679 if (!escape_name) {
5680 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5681 return NT_STATUS_NO_MEMORY;
5682 }
5683
5684 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5685
5686 SAFE_FREE(escape_name);
5687
5688 if (!gidstr || !dn) {
5689 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5690 return NT_STATUS_NO_MEMORY;
5691 }
5692
5693 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5694 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5695 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5696 }
5697
5698 talloc_autofree_ldapmod(tmp_ctx, mods);
5699
5700 if (is_new_entry) {
5701 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5702 #if 0
5703 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5704 /* This call may fail with rfc2307bis schema */
5705 /* Retry adding a structural class */
5706 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5707 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5708 }
5709 #endif
5710 } else {
5711 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5712 }
5713
5714 if (rc != LDAP_SUCCESS) {
5715 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5716 return NT_STATUS_UNSUCCESSFUL;
5717 }
5718
5719 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5720
5721 return NT_STATUS_OK;
5722 }
5723
5724 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5725 {
5726 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5727 LDAPMessage *result = NULL;
5728 LDAPMessage *entry = NULL;
5729 int num_result;
5730 const char *dn;
5731 char *gidstr;
5732 char *filter;
5733 struct dom_sid group_sid;
5734 int rc;
5735
5736 /* get the group sid */
5737 sid_compose(&group_sid, get_global_sam_sid(), rid);
5738
5739 filter = talloc_asprintf(tmp_ctx,
5740 "(&(sambaSID=%s)"
5741 "(objectClass=%s)"
5742 "(objectClass=%s))",
5743 sid_string_talloc(tmp_ctx, &group_sid),
5744 LDAP_OBJ_POSIXGROUP,
5745 LDAP_OBJ_GROUPMAP);
5746 if (filter == NULL) {
5747 return NT_STATUS_NO_MEMORY;
5748 }
5749
5750 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5751 if (rc != LDAP_SUCCESS) {
5752 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5753 return NT_STATUS_UNSUCCESSFUL;
5754 }
5755 talloc_autofree_ldapmsg(tmp_ctx, result);
5756
5757 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5758
5759 if (num_result == 0) {
5760 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5761 return NT_STATUS_NO_SUCH_GROUP;
5762 }
5763
5764 if (num_result > 1) {
5765 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5766 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5767 }
5768
5769 entry = ldap_first_entry(priv2ld(ldap_state), result);
5770 if (!entry) {
5771 return NT_STATUS_UNSUCCESSFUL;
5772 }
5773
5774 /* here it is, retrieve the dn for later use */
5775 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5776 if (!dn) {
5777 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5778 return NT_STATUS_NO_MEMORY;
5779 }
5780
5781 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5782 if (!gidstr) {
5783 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5784 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5785 }
5786
5787 /* check no user have this group marked as primary group */
5788 filter = talloc_asprintf(tmp_ctx,
5789 "(&(gidNumber=%s)"
5790 "(objectClass=%s)"
5791 "(objectClass=%s))",
5792 gidstr,
5793 LDAP_OBJ_POSIXACCOUNT,
5794 LDAP_OBJ_SAMBASAMACCOUNT);
5795
5796 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5797 if (rc != LDAP_SUCCESS) {
5798 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5799 return NT_STATUS_UNSUCCESSFUL;
5800 }
5801 talloc_autofree_ldapmsg(tmp_ctx, result);
5802
5803 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5804
5805 if (num_result != 0) {
5806 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5807 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5808 }
5809
5810 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5811 if (rc != LDAP_SUCCESS) {
5812 return NT_STATUS_UNSUCCESSFUL;
5813 }
5814
5815 return NT_STATUS_OK;
5816 }
5817
5818 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5819 TALLOC_CTX *tmp_ctx,
5820 uint32_t group_rid,
5821 uint32_t member_rid,
5822 int modop)
5823 {
5824 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5825 LDAPMessage *entry = NULL;
5826 LDAPMessage *result = NULL;
5827 uint32_t num_result;
5828 LDAPMod **mods = NULL;
5829 char *filter;
5830 char *uidstr;
5831 const char *dn = NULL;
5832 struct dom_sid group_sid;
5833 struct dom_sid member_sid;
5834 int rc;
5835
5836 switch (modop) {
5837 case LDAP_MOD_ADD:
5838 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5839 break;
5840 case LDAP_MOD_DELETE:
5841 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5842 break;
5843 default:
5844 return NT_STATUS_UNSUCCESSFUL;
5845 }
5846
5847 /* get member sid */
5848 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5849
5850 /* get the group sid */
5851 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5852
5853 filter = talloc_asprintf(tmp_ctx,
5854 "(&(sambaSID=%s)"
5855 "(objectClass=%s)"
5856 "(objectClass=%s))",
5857 sid_string_talloc(tmp_ctx, &member_sid),
5858 LDAP_OBJ_POSIXACCOUNT,
5859 LDAP_OBJ_SAMBASAMACCOUNT);
5860 if (filter == NULL) {
5861 return NT_STATUS_NO_MEMORY;
5862 }
5863
5864 /* get the member uid */
5865 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5866 if (rc != LDAP_SUCCESS) {
5867 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5868 return NT_STATUS_UNSUCCESSFUL;
5869 }
5870 talloc_autofree_ldapmsg(tmp_ctx, result);
5871
5872 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5873
5874 if (num_result == 0) {
5875 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5876 return NT_STATUS_NO_SUCH_MEMBER;
5877 }
5878
5879 if (num_result > 1) {
5880 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5881 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5882 }
5883
5884 entry = ldap_first_entry(priv2ld(ldap_state), result);
5885 if (!entry) {
5886 return NT_STATUS_UNSUCCESSFUL;
5887 }
5888
5889 if (modop == LDAP_MOD_DELETE) {
5890 /* check if we are trying to remove the member from his primary group */
5891 char *gidstr;
5892 gid_t user_gid, group_gid;
5893
5894 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5895 if (!gidstr) {
5896 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5897 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5898 }
5899
5900 user_gid = strtoul(gidstr, NULL, 10);
5901
5902 if (!sid_to_gid(&group_sid, &group_gid)) {
5903 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5904 return NT_STATUS_UNSUCCESSFUL;
5905 }
5906
5907 if (user_gid == group_gid) {
5908 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5909 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5910 }
5911 }
5912
5913 /* here it is, retrieve the uid for later use */
5914 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5915 if (!uidstr) {
5916 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5917 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5918 }
5919
5920 filter = talloc_asprintf(tmp_ctx,
5921 "(&(sambaSID=%s)"
5922 "(objectClass=%s)"
5923 "(objectClass=%s))",
5924 sid_string_talloc(tmp_ctx, &group_sid),
5925 LDAP_OBJ_POSIXGROUP,
5926 LDAP_OBJ_GROUPMAP);
5927
5928 /* get the group */
5929 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5930 if (rc != LDAP_SUCCESS) {
5931 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5932 return NT_STATUS_UNSUCCESSFUL;
5933 }
5934 talloc_autofree_ldapmsg(tmp_ctx, result);
5935
5936 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5937
5938 if (num_result == 0) {
5939 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5940 return NT_STATUS_NO_SUCH_GROUP;
5941 }
5942
5943 if (num_result > 1) {
5944 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5945 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5946 }
5947
5948 entry = ldap_first_entry(priv2ld(ldap_state), result);
5949 if (!entry) {
5950 return NT_STATUS_UNSUCCESSFUL;
5951 }
5952
5953 /* here it is, retrieve the dn for later use */
5954 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5955 if (!dn) {
5956 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5957 return NT_STATUS_NO_MEMORY;
5958 }
5959
5960 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5961
5962 talloc_autofree_ldapmod(tmp_ctx, mods);
5963
5964 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5965 if (rc != LDAP_SUCCESS) {
5966 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5967 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5968 return NT_STATUS_MEMBER_IN_GROUP;
5969 }
5970 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5971 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5972 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5973 }
5974 return NT_STATUS_UNSUCCESSFUL;
5975 }
5976
5977 return NT_STATUS_OK;
5978 }
5979
5980 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5981 TALLOC_CTX *tmp_ctx,
5982 uint32_t group_rid,
5983 uint32_t member_rid)
5984 {
5985 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5986 }
5987 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5988 TALLOC_CTX *tmp_ctx,
5989 uint32_t group_rid,
5990 uint32_t member_rid)
5991 {
5992 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5993 }
5994
5995 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5996 TALLOC_CTX *mem_ctx,
5997 struct samu *sampass)
5998 {
5999 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6000 LDAPMessage *entry = NULL;
6001 LDAPMessage *result = NULL;
6002 uint32_t num_result;
6003 LDAPMod **mods = NULL;
6004 char *filter;
6005 char *escape_username;
6006 char *gidstr;
6007 const char *dn = NULL;
6008 gid_t gid;
6009 int rc;
6010
6011 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6012
6013 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6014 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6015 return NT_STATUS_UNSUCCESSFUL;
6016 }
6017 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6018 if (!gidstr) {
6019 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6020 return NT_STATUS_NO_MEMORY;
6021 }
6022
6023 escape_username = escape_ldap_string(talloc_tos(),
6024 pdb_get_username(sampass));
6025 if (escape_username== NULL) {
6026 return NT_STATUS_NO_MEMORY;
6027 }
6028
6029 filter = talloc_asprintf(mem_ctx,
6030 "(&(uid=%s)"
6031 "(objectClass=%s)"
6032 "(objectClass=%s))",
6033 escape_username,
6034 LDAP_OBJ_POSIXACCOUNT,
6035 LDAP_OBJ_SAMBASAMACCOUNT);
6036
6037 TALLOC_FREE(escape_username);
6038
6039 if (filter == NULL) {
6040 return NT_STATUS_NO_MEMORY;
6041 }
6042
6043 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6044 if (rc != LDAP_SUCCESS) {
6045 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6046 return NT_STATUS_UNSUCCESSFUL;
6047 }
6048 talloc_autofree_ldapmsg(mem_ctx, result);
6049
6050 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6051
6052 if (num_result == 0) {
6053 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6054 return NT_STATUS_NO_SUCH_USER;
6055 }
6056
6057 if (num_result > 1) {
6058 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6059 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6060 }
6061
6062 entry = ldap_first_entry(priv2ld(ldap_state), result);
6063 if (!entry) {
6064 return NT_STATUS_UNSUCCESSFUL;
6065 }
6066
6067 /* retrieve the dn for later use */
6068 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6069 if (!dn) {
6070 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6071 return NT_STATUS_NO_MEMORY;
6072 }
6073
6074 /* remove the old one, and add the new one, this way we do not risk races */
6075 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6076
6077 if (mods == NULL) {
6078 return NT_STATUS_OK;
6079 }
6080
6081 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6082
6083 if (rc != LDAP_SUCCESS) {
6084 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6085 pdb_get_username(sampass), gidstr));
6086 return NT_STATUS_UNSUCCESSFUL;
6087 }
6088
6089 flush_pwnam_cache();
6090
6091 return NT_STATUS_OK;
6092 }
6093
6094
6095 /**********************************************************************
6096 trusted domains functions
6097 *********************************************************************/
6098
6099 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6100 const char *domain)
6101 {
6102 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6103 ldap_state->domain_dn);
6104 }
6105
6106 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6107 TALLOC_CTX *mem_ctx,
6108 const char *domain, LDAPMessage **entry)
6109 {
6110 int rc;
6111 char *filter;
6112 int scope = LDAP_SCOPE_SUBTREE;
6113 const char **attrs = NULL; /* NULL: get all attrs */
6114 int attrsonly = 0; /* 0: return values too */
6115 LDAPMessage *result = NULL;
6116 char *trusted_dn;
6117 uint32_t num_result;
6118
6119 filter = talloc_asprintf(talloc_tos(),
6120 "(&(objectClass=%s)(sambaDomainName=%s))",
6121 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6122
6123 trusted_dn = trusteddom_dn(ldap_state, domain);
6124 if (trusted_dn == NULL) {
6125 return False;
6126 }
6127 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6128 filter, attrs, attrsonly, &result);
6129
6130 if (result != NULL) {
6131 talloc_autofree_ldapmsg(mem_ctx, result);
6132 }
6133
6134 if (rc == LDAP_NO_SUCH_OBJECT) {
6135 *entry = NULL;
6136 return True;
6137 }
6138
6139 if (rc != LDAP_SUCCESS) {
6140 return False;
6141 }
6142
6143 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6144
6145 if (num_result > 1) {
6146 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6147 "%s object for domain '%s'?!\n",
6148 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6149 return False;
6150 }
6151
6152 if (num_result == 0) {
6153 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6154 "%s object for domain %s.\n",
6155 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6156 *entry = NULL;
6157 } else {
6158 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6159 }
6160
6161 return True;
6162 }
6163
6164 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6165 const char *domain,
6166 char** pwd,
6167 struct dom_sid *sid,
6168 time_t *pass_last_set_time)
6169 {
6170 struct ldapsam_privates *ldap_state =
6171 (struct ldapsam_privates *)methods->private_data;
6172 LDAPMessage *entry = NULL;
6173
6174 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6175
6176 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6177 (entry == NULL))
6178 {
6179 return False;
6180 }
6181
6182 /* password */
6183 if (pwd != NULL) {
6184 char *pwd_str;
6185 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6186 entry, "sambaClearTextPassword", talloc_tos());
6187 if (pwd_str == NULL) {
6188 return False;
6189 }
6190 /* trusteddom_pw routines do not use talloc yet... */
6191 *pwd = SMB_STRDUP(pwd_str);
6192 if (*pwd == NULL) {
6193 return False;
6194 }
6195 }
6196
6197 /* last change time */
6198 if (pass_last_set_time != NULL) {
6199 char *time_str;
6200 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6201 entry, "sambaPwdLastSet", talloc_tos());
6202 if (time_str == NULL) {
6203 return False;
6204 }
6205 *pass_last_set_time = (time_t)atol(time_str);
6206 }
6207
6208 /* domain sid */
6209 if (sid != NULL) {
6210 char *sid_str;
6211 struct dom_sid dom_sid;
6212 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6213 entry, "sambaSID",
6214 talloc_tos());
6215 if (sid_str == NULL) {
6216 return False;
6217 }
6218 if (!string_to_sid(&dom_sid, sid_str)) {
6219 return False;
6220 }
6221 sid_copy(sid, &dom_sid);
6222 }
6223
6224 return True;
6225 }
6226
6227 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6228 const char* domain,
6229 const char* pwd,
6230 const struct dom_sid *sid)
6231 {
6232 struct ldapsam_privates *ldap_state =
6233 (struct ldapsam_privates *)methods->private_data;
6234 LDAPMessage *entry = NULL;
6235 LDAPMod **mods = NULL;
6236 char *prev_pwd = NULL;
6237 char *trusted_dn = NULL;
6238 int rc;
6239
6240 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6241
6242 /*
6243 * get the current entry (if there is one) in order to put the
6244 * current password into the previous password attribute
6245 */
6246 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6247 return False;
6248 }
6249
6250 mods = NULL;
6251 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6252 LDAP_OBJ_TRUSTDOM_PASSWORD);
6253 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6254 domain);
6255 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6256 sid_string_tos(sid));
6257 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6258 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6259 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6260 "sambaClearTextPassword", pwd);
6261
6262 if (entry != NULL) {
6263 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6264 entry, "sambaClearTextPassword", talloc_tos());
6265 if (prev_pwd != NULL) {
6266 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6267 "sambaPreviousClearTextPassword",
6268 prev_pwd);
6269 }
6270 }
6271
6272 talloc_autofree_ldapmod(talloc_tos(), mods);
6273
6274 trusted_dn = trusteddom_dn(ldap_state, domain);
6275 if (trusted_dn == NULL) {
6276 return False;
6277 }
6278 if (entry == NULL) {
6279 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6280 } else {
6281 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6282 }
6283
6284 if (rc != LDAP_SUCCESS) {
6285 DEBUG(1, ("error writing trusted domain password!\n"));
6286 return False;
6287 }
6288
6289 return True;
6290 }
6291
6292 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6293 const char *domain)
6294 {
6295 int rc;
6296 struct ldapsam_privates *ldap_state =
6297 (struct ldapsam_privates *)methods->private_data;
6298 LDAPMessage *entry = NULL;
6299 const char *trusted_dn;
6300
6301 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6302 return False;
6303 }
6304
6305 if (entry == NULL) {
6306 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6307 "%s\n", domain));
6308 return True;
6309 }
6310
6311 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6312 entry);
6313 if (trusted_dn == NULL) {
6314 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6315 return False;
6316 }
6317
6318 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6319 if (rc != LDAP_SUCCESS) {
6320 return False;
6321 }
6322
6323 return True;
6324 }
6325
6326 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6327 TALLOC_CTX *mem_ctx,
6328 uint32_t *num_domains,
6329 struct trustdom_info ***domains)
6330 {
6331 int rc;
6332 struct ldapsam_privates *ldap_state =
6333 (struct ldapsam_privates *)methods->private_data;
6334 char *filter;
6335 int scope = LDAP_SCOPE_SUBTREE;
6336 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6337 int attrsonly = 0; /* 0: return values too */
6338 LDAPMessage *result = NULL;
6339 LDAPMessage *entry = NULL;
6340
6341 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6342 LDAP_OBJ_TRUSTDOM_PASSWORD);
6343
6344 rc = smbldap_search(ldap_state->smbldap_state,
6345 ldap_state->domain_dn,
6346 scope,
6347 filter,
6348 attrs,
6349 attrsonly,
6350 &result);
6351
6352 if (result != NULL) {
6353 talloc_autofree_ldapmsg(mem_ctx, result);
6354 }
6355
6356 if (rc != LDAP_SUCCESS) {
6357 return NT_STATUS_UNSUCCESSFUL;
6358 }
6359
6360 *num_domains = 0;
6361 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6362 DEBUG(1, ("talloc failed\n"));
6363 return NT_STATUS_NO_MEMORY;
6364 }
6365
6366 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6367 entry != NULL;
6368 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6369 {
6370 char *dom_name, *dom_sid_str;
6371 struct trustdom_info *dom_info;
6372
6373 dom_info = talloc(*domains, struct trustdom_info);
6374 if (dom_info == NULL) {
6375 DEBUG(1, ("talloc failed\n"));
6376 return NT_STATUS_NO_MEMORY;
6377 }
6378
6379 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6380 entry,
6381 "sambaDomainName",
6382 talloc_tos());
6383 if (dom_name == NULL) {
6384 DEBUG(1, ("talloc failed\n"));
6385 return NT_STATUS_NO_MEMORY;
6386 }
6387 dom_info->name = dom_name;
6388
6389 dom_sid_str = smbldap_talloc_single_attribute(
6390 priv2ld(ldap_state), entry, "sambaSID",
6391 talloc_tos());
6392 if (dom_sid_str == NULL) {
6393 DEBUG(1, ("talloc failed\n"));
6394 return NT_STATUS_NO_MEMORY;
6395 }
6396 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6397 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6398 dom_sid_str));
6399 return NT_STATUS_UNSUCCESSFUL;
6400 }
6401
6402 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6403 domains, num_domains);
6404
6405 if (*domains == NULL) {
6406 DEBUG(1, ("talloc failed\n"));
6407 return NT_STATUS_NO_MEMORY;
6408 }
6409 }
6410
6411 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6412 return NT_STATUS_OK;
6413 }
6414
6415
6416 /**********************************************************************
6417 Housekeeping
6418 *********************************************************************/
6419
6420 static void free_private_data(void **vp)
6421 {
6422 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6423
6424 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6425
6426 if ((*ldap_state)->result != NULL) {
6427 ldap_msgfree((*ldap_state)->result);
6428 (*ldap_state)->result = NULL;
6429 }
6430 if ((*ldap_state)->domain_dn != NULL) {
6431 SAFE_FREE((*ldap_state)->domain_dn);
6432 }
6433
6434 *ldap_state = NULL;
6435
6436 /* No need to free any further, as it is talloc()ed */
6437 }
6438
6439 /*********************************************************************
6440 Intitalise the parts of the pdb_methods structure that are common to
6441 all pdb_ldap modes
6442 *********************************************************************/
6443
6444 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6445 {
6446 NTSTATUS nt_status;
6447 struct ldapsam_privates *ldap_state;
6448
6449 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6450 return nt_status;
6451 }
6452
6453 (*pdb_method)->name = "ldapsam";
6454
6455 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6456 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6457 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6458 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6459 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6460 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6461
6462 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6463 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6464 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6465 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6466 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6467 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6468 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6469
6470 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6471 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6472
6473 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6474
6475 (*pdb_method)->capabilities = ldapsam_capabilities;
6476 (*pdb_method)->new_rid = ldapsam_new_rid;
6477
6478 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6479 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6480 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6481 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6482
6483 /* TODO: Setup private data and free */
6484
6485 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6486 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6487 return NT_STATUS_NO_MEMORY;
6488 }
6489
6490 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6491 location, &ldap_state->smbldap_state);
6492
6493 if ( !NT_STATUS_IS_OK(nt_status) ) {
6494 return nt_status;
6495 }
6496
6497 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6498 return NT_STATUS_NO_MEMORY;
6499 }
6500
6501 (*pdb_method)->private_data = ldap_state;
6502
6503 (*pdb_method)->free_private_data = free_private_data;
6504
6505 return NT_STATUS_OK;
6506 }
6507
6508 /**********************************************************************
6509 Initialise the 'compat' mode for pdb_ldap
6510 *********************************************************************/
6511
6512 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6513 {
6514 NTSTATUS nt_status;
6515 struct ldapsam_privates *ldap_state;
6516 char *uri = talloc_strdup( NULL, location );
6517
6518 trim_char( uri, '\"', '\"' );
6519 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6520 if ( uri )
6521 TALLOC_FREE( uri );
6522
6523 if ( !NT_STATUS_IS_OK(nt_status) ) {
6524 return nt_status;
6525 }
6526
6527 (*pdb_method)->name = "ldapsam_compat";
6528
6529 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6530 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6531
6532 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6533
6534 return NT_STATUS_OK;
6535 }
6536
6537 /**********************************************************************
6538 Initialise the normal mode for pdb_ldap
6539 *********************************************************************/
6540
6541 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6542 {
6543 NTSTATUS nt_status;
6544 struct ldapsam_privates *ldap_state = NULL;
6545 uint32_t alg_rid_base;
6546 char *alg_rid_base_string = NULL;
6547 LDAPMessage *result = NULL;
6548 LDAPMessage *entry = NULL;
6549 struct dom_sid ldap_domain_sid;
6550 struct dom_sid secrets_domain_sid;
6551 char *domain_sid_string = NULL;
6552 char *dn = NULL;
6553 char *uri = talloc_strdup( NULL, location );
6554
6555 trim_char( uri, '\"', '\"' );
6556 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6557
6558 TALLOC_FREE(uri);
6559
6560 if (!NT_STATUS_IS_OK(nt_status)) {
6561 return nt_status;
6562 }
6563
6564 (*pdb_method)->name = "ldapsam";
6565
6566 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6567 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6568 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6569 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6570 (*pdb_method)->search_users = ldapsam_search_users;
6571 (*pdb_method)->search_groups = ldapsam_search_groups;
6572 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6573
6574 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6575 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6576 (*pdb_method)->enum_group_memberships =
6577 ldapsam_enum_group_memberships;
6578 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6579 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6580 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6581 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6582
6583 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6584 (*pdb_method)->create_user = ldapsam_create_user;
6585 (*pdb_method)->delete_user = ldapsam_delete_user;
6586 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6587 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6588 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6589 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6590 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6591 }
6592 }
6593
6594 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6595 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6596
6597 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6598
6599 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6600 &result,
6601 ldap_state->domain_name, True);
6602
6603 if ( !NT_STATUS_IS_OK(nt_status) ) {
6604 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6605 "info, nor add one to the domain. "
6606 "We cannot work reliably without it.\n"));
6607 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6608 }
6609
6610 /* Given that the above might fail, everything below this must be
6611 * optional */
6612
6613 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6614 result);
6615 if (!entry) {
6616 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6617 "entry\n"));
6618 ldap_msgfree(result);
6619 return NT_STATUS_UNSUCCESSFUL;
6620 }
6621
6622 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6623 if (!dn) {
6624 ldap_msgfree(result);
6625 return NT_STATUS_UNSUCCESSFUL;
6626 }
6627
6628 ldap_state->domain_dn = smb_xstrdup(dn);
6629 TALLOC_FREE(dn);
6630
6631 domain_sid_string = smbldap_talloc_single_attribute(
6632 ldap_state->smbldap_state->ldap_struct,
6633 entry,
6634 get_userattr_key2string(ldap_state->schema_ver,
6635 LDAP_ATTR_USER_SID),
6636 talloc_tos());
6637
6638 if (domain_sid_string) {
6639 bool found_sid;
6640 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6641 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6642 "read as a valid SID\n", domain_sid_string));
6643 ldap_msgfree(result);
6644 TALLOC_FREE(domain_sid_string);
6645 return NT_STATUS_INVALID_PARAMETER;
6646 }
6647 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6648 &secrets_domain_sid);
6649 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6650 &ldap_domain_sid)) {
6651 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6652 "%s based on pdb_ldap results %s -> %s\n",
6653 ldap_state->domain_name,
6654 sid_string_dbg(&secrets_domain_sid),
6655 sid_string_dbg(&ldap_domain_sid)));
6656
6657 /* reset secrets.tdb sid */
6658 secrets_store_domain_sid(ldap_state->domain_name,
6659 &ldap_domain_sid);
6660 DEBUG(1, ("New global sam SID: %s\n",
6661 sid_string_dbg(get_global_sam_sid())));
6662 }
6663 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6664 TALLOC_FREE(domain_sid_string);
6665 }
6666
6667 alg_rid_base_string = smbldap_talloc_single_attribute(
6668 ldap_state->smbldap_state->ldap_struct,
6669 entry,
6670 get_attr_key2string( dominfo_attr_list,
6671 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6672 talloc_tos());
6673 if (alg_rid_base_string) {
6674 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6675 if (alg_rid_base != algorithmic_rid_base()) {
6676 DEBUG(0, ("The value of 'algorithmic RID base' has "
6677 "changed since the LDAP\n"
6678 "database was initialised. Aborting. \n"));
6679 ldap_msgfree(result);
6680 TALLOC_FREE(alg_rid_base_string);
6681 return NT_STATUS_UNSUCCESSFUL;
6682 }
6683 TALLOC_FREE(alg_rid_base_string);
6684 }
6685 ldap_msgfree(result);
6686
6687 return NT_STATUS_OK;
6688 }
6689
6690 NTSTATUS pdb_ldap_init(void)
6691 {
6692 NTSTATUS nt_status;
6693 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6694 return nt_status;
6695
6696 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6697 return nt_status;
6698
6699 /* Let pdb_nds register backends */
6700 pdb_nds_init();
6701
6702 pdb_ipa_init();
6703
6704 return NT_STATUS_OK;
6705 }
reg import