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s3/libads: use monotonic clock for DNS timeouts
[Samba.git] / source3 / passdb / pdb_ldap.c
blobe3dedcd06ed237dab341fe763c0f86e25369db9a
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "../libcli/auth/libcli_auth.h"
48 #include "secrets.h"
49 #include "idmap_cache.h"
50
51 #undef DBGC_CLASS
52 #define DBGC_CLASS DBGC_PASSDB
53
54 #include <lber.h>
55 #include <ldap.h>
56
57 /*
58 * Work around versions of the LDAP client libs that don't have the OIDs
59 * defined, or have them defined under the old name.
60 * This functionality is really a factor of the server, not the client
61 *
62 */
63
64 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
66 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
67 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
68 #endif
69
70 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
72 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
73 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
74 #endif
75
76 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
78 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
79 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
80 #endif
81
82
83 #include "smbldap.h"
84
85 /**********************************************************************
86 Simple helper function to make stuff better readable
87 **********************************************************************/
88
89 static LDAP *priv2ld(struct ldapsam_privates *priv)
90 {
91 return priv->smbldap_state->ldap_struct;
92 }
93
94 /**********************************************************************
95 Get the attribute name given a user schame version.
96 **********************************************************************/
97
98 static const char* get_userattr_key2string( int schema_ver, int key )
99 {
100 switch ( schema_ver ) {
101 case SCHEMAVER_SAMBAACCOUNT:
102 return get_attr_key2string( attrib_map_v22, key );
103
104 case SCHEMAVER_SAMBASAMACCOUNT:
105 return get_attr_key2string( attrib_map_v30, key );
106
107 default:
108 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
109 break;
110 }
111 return NULL;
112 }
113
114 /**********************************************************************
115 Return the list of attribute names given a user schema version.
116 **********************************************************************/
117
118 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
119 {
120 switch ( schema_ver ) {
121 case SCHEMAVER_SAMBAACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v22 );
123
124 case SCHEMAVER_SAMBASAMACCOUNT:
125 return get_attr_list( mem_ctx, attrib_map_v30 );
126 default:
127 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
128 break;
129 }
130
131 return NULL;
132 }
133
134 /**************************************************************************
135 Return the list of attribute names to delete given a user schema version.
136 **************************************************************************/
137
138 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
139 int schema_ver )
140 {
141 switch ( schema_ver ) {
142 case SCHEMAVER_SAMBAACCOUNT:
143 return get_attr_list( mem_ctx,
144 attrib_map_to_delete_v22 );
145
146 case SCHEMAVER_SAMBASAMACCOUNT:
147 return get_attr_list( mem_ctx,
148 attrib_map_to_delete_v30 );
149 default:
150 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
151 break;
152 }
153
154 return NULL;
155 }
156
157
158 /*******************************************************************
159 Generate the LDAP search filter for the objectclass based on the
160 version of the schema we are using.
161 ******************************************************************/
162
163 static const char* get_objclass_filter( int schema_ver )
164 {
165 fstring objclass_filter;
166 char *result;
167
168 switch( schema_ver ) {
169 case SCHEMAVER_SAMBAACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
171 break;
172 case SCHEMAVER_SAMBASAMACCOUNT:
173 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
174 break;
175 default:
176 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
177 objclass_filter[0] = '\0';
178 break;
179 }
180
181 result = talloc_strdup(talloc_tos(), objclass_filter);
182 SMB_ASSERT(result != NULL);
183 return result;
184 }
185
186 /*****************************************************************
187 Scan a sequence number off OpenLDAP's syncrepl contextCSN
188 ******************************************************************/
189
190 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
191 {
192 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
193 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
194 LDAPMessage *msg = NULL;
195 LDAPMessage *entry = NULL;
196 TALLOC_CTX *mem_ctx;
197 char **values = NULL;
198 int rc, num_result, num_values, rid;
199 char *suffix = NULL;
200 char *tok;
201 const char *p;
202 const char **attrs;
203
204 /* Unfortunatly there is no proper way to detect syncrepl-support in
205 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
206 * but do not show up in the root-DSE yet. Neither we can query the
207 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
208 * objectclass. Currently we require lp_ldap_suffix() to show up as
209 * namingContext. - Guenther
210 */
211
212 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
213 return ntstatus;
214 }
215
216 if (!seq_num) {
217 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
218 return ntstatus;
219 }
220
221 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
222 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
223 "as top-level namingContext\n", lp_ldap_suffix()));
224 return ntstatus;
225 }
226
227 mem_ctx = talloc_init("ldapsam_get_seq_num");
228
229 if (mem_ctx == NULL)
230 return NT_STATUS_NO_MEMORY;
231
232 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
233 ntstatus = NT_STATUS_NO_MEMORY;
234 goto done;
235 }
236
237 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
238 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
239 if (rid > 0) {
240
241 /* consumer syncreplCookie: */
242 /* csn=20050126161620Z#0000001#00#00000 */
243 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
244 attrs[1] = NULL;
245 suffix = talloc_asprintf(mem_ctx,
246 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
247 if (!suffix) {
248 ntstatus = NT_STATUS_NO_MEMORY;
249 goto done;
250 }
251 } else {
252
253 /* provider contextCSN */
254 /* 20050126161620Z#000009#00#000000 */
255 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
256 attrs[1] = NULL;
257 suffix = talloc_asprintf(mem_ctx,
258 "cn=ldapsync,%s", lp_ldap_suffix());
259
260 if (!suffix) {
261 ntstatus = NT_STATUS_NO_MEMORY;
262 goto done;
263 }
264 }
265
266 rc = smbldap_search(ldap_state->smbldap_state, suffix,
267 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
268
269 if (rc != LDAP_SUCCESS) {
270 goto done;
271 }
272
273 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
274 if (num_result != 1) {
275 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
276 goto done;
277 }
278
279 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
280 if (entry == NULL) {
281 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
282 goto done;
283 }
284
285 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
286 if (values == NULL) {
287 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
288 goto done;
289 }
290
291 num_values = ldap_count_values(values);
292 if (num_values == 0) {
293 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
294 goto done;
295 }
296
297 p = values[0];
298 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
299 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
300 goto done;
301 }
302
303 p = tok;
304 if (!strncmp(p, "csn=", strlen("csn=")))
305 p += strlen("csn=");
306
307 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
308
309 *seq_num = generalized_to_unix_time(p);
310
311 /* very basic sanity check */
312 if (*seq_num <= 0) {
313 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
314 (int)*seq_num));
315 goto done;
316 }
317
318 ntstatus = NT_STATUS_OK;
319
320 done:
321 if (values != NULL)
322 ldap_value_free(values);
323 if (msg != NULL)
324 ldap_msgfree(msg);
325 if (mem_ctx)
326 talloc_destroy(mem_ctx);
327
328 return ntstatus;
329 }
330
331 /*******************************************************************
332 Run the search by name.
333 ******************************************************************/
334
335 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
336 const char *user,
337 LDAPMessage ** result,
338 const char **attr)
339 {
340 char *filter = NULL;
341 char *escape_user = escape_ldap_string(talloc_tos(), user);
342 int ret = -1;
343
344 if (!escape_user) {
345 return LDAP_NO_MEMORY;
346 }
347
348 /*
349 * in the filter expression, replace %u with the real name
350 * so in ldap filter, %u MUST exist :-)
351 */
352 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
353 get_objclass_filter(ldap_state->schema_ver));
354 if (!filter) {
355 TALLOC_FREE(escape_user);
356 return LDAP_NO_MEMORY;
357 }
358 /*
359 * have to use this here because $ is filtered out
360 * in string_sub
361 */
362
363 filter = talloc_all_string_sub(talloc_tos(),
364 filter, "%u", escape_user);
365 TALLOC_FREE(escape_user);
366 if (!filter) {
367 return LDAP_NO_MEMORY;
368 }
369
370 ret = smbldap_search_suffix(ldap_state->smbldap_state,
371 filter, attr, result);
372 TALLOC_FREE(filter);
373 return ret;
374 }
375
376 /*******************************************************************
377 Run the search by rid.
378 ******************************************************************/
379
380 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
381 uint32_t rid, LDAPMessage ** result,
382 const char **attr)
383 {
384 char *filter = NULL;
385 int rc;
386
387 filter = talloc_asprintf(talloc_tos(), "(&(rid=%i)%s)", rid,
388 get_objclass_filter(ldap_state->schema_ver));
389 if (!filter) {
390 return LDAP_NO_MEMORY;
391 }
392
393 rc = smbldap_search_suffix(ldap_state->smbldap_state,
394 filter, attr, result);
395 TALLOC_FREE(filter);
396 return rc;
397 }
398
399 /*******************************************************************
400 Run the search by SID.
401 ******************************************************************/
402
403 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
404 const struct dom_sid *sid, LDAPMessage ** result,
405 const char **attr)
406 {
407 char *filter = NULL;
408 int rc;
409 fstring sid_string;
410
411 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
412 get_userattr_key2string(ldap_state->schema_ver,
413 LDAP_ATTR_USER_SID),
414 sid_to_fstring(sid_string, sid),
415 get_objclass_filter(ldap_state->schema_ver));
416 if (!filter) {
417 return LDAP_NO_MEMORY;
418 }
419
420 rc = smbldap_search_suffix(ldap_state->smbldap_state,
421 filter, attr, result);
422
423 TALLOC_FREE(filter);
424 return rc;
425 }
426
427 /*******************************************************************
428 Delete complete object or objectclass and attrs from
429 object found in search_result depending on lp_ldap_delete_dn
430 ******************************************************************/
431
432 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
433 TALLOC_CTX *mem_ctx,
434 LDAPMessage *entry,
435 const char *objectclass,
436 const char **attrs)
437 {
438 LDAPMod **mods = NULL;
439 char *name;
440 const char *dn;
441 BerElement *ptr = NULL;
442
443 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
444 if (dn == NULL) {
445 return LDAP_NO_MEMORY;
446 }
447
448 if (lp_ldap_delete_dn()) {
449 return smbldap_delete(priv->smbldap_state, dn);
450 }
451
452 /* Ok, delete only the SAM attributes */
453
454 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
455 name != NULL;
456 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
457 const char **attrib;
458
459 /* We are only allowed to delete the attributes that
460 really exist. */
461
462 for (attrib = attrs; *attrib != NULL; attrib++) {
463 if (strequal(*attrib, name)) {
464 DEBUG(10, ("ldapsam_delete_entry: deleting "
465 "attribute %s\n", name));
466 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
467 NULL);
468 }
469 }
470 ldap_memfree(name);
471 }
472
473 if (ptr != NULL) {
474 ber_free(ptr, 0);
475 }
476
477 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
478 talloc_autofree_ldapmod(mem_ctx, mods);
479
480 return smbldap_modify(priv->smbldap_state, dn, mods);
481 }
482
483 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
484 {
485 char *temp;
486 struct tm tm;
487
488 temp = smbldap_talloc_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
489 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
490 talloc_tos());
491 if (!temp) {
492 return (time_t) 0;
493 }
494
495 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
496 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
497 (char*)temp));
498 TALLOC_FREE(temp);
499 return (time_t) 0;
500 }
501 TALLOC_FREE(temp);
502 tzset();
503 return timegm(&tm);
504 }
505
506 /**********************************************************************
507 Initialize struct samu from an LDAP query.
508 (Based on init_sam_from_buffer in pdb_tdb.c)
509 *********************************************************************/
510
511 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
512 struct samu * sampass,
513 LDAPMessage * entry)
514 {
515 time_t logon_time,
516 logoff_time,
517 kickoff_time,
518 pass_last_set_time,
519 pass_can_change_time,
520 pass_must_change_time,
521 ldap_entry_time,
522 bad_password_time;
523 char *username = NULL,
524 *domain = NULL,
525 *nt_username = NULL,
526 *fullname = NULL,
527 *homedir = NULL,
528 *dir_drive = NULL,
529 *logon_script = NULL,
530 *profile_path = NULL,
531 *acct_desc = NULL,
532 *workstations = NULL,
533 *munged_dial = NULL;
534 uint32_t user_rid;
535 uint8 smblmpwd[LM_HASH_LEN],
536 smbntpwd[NT_HASH_LEN];
537 bool use_samba_attrs = True;
538 uint32_t acct_ctrl = 0;
539 uint16_t logon_divs;
540 uint16_t bad_password_count = 0,
541 logon_count = 0;
542 uint32_t hours_len;
543 uint8 hours[MAX_HOURS_LEN];
544 char *temp = NULL;
545 struct login_cache cache_entry;
546 uint32_t pwHistLen;
547 bool expand_explicit = lp_passdb_expand_explicit();
548 bool ret = false;
549 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
550
551 if (!ctx) {
552 return false;
553 }
554 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
555 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
556 goto fn_exit;
557 }
558
559 if (priv2ld(ldap_state) == NULL) {
560 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
561 "ldap_struct is NULL!\n"));
562 goto fn_exit;
563 }
564
565 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
566 entry,
567 "uid",
568 ctx))) {
569 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
570 "this user!\n"));
571 goto fn_exit;
572 }
573
574 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
575
576 nt_username = talloc_strdup(ctx, username);
577 if (!nt_username) {
578 goto fn_exit;
579 }
580
581 domain = talloc_strdup(ctx, ldap_state->domain_name);
582 if (!domain) {
583 goto fn_exit;
584 }
585
586 pdb_set_username(sampass, username, PDB_SET);
587
588 pdb_set_domain(sampass, domain, PDB_DEFAULT);
589 pdb_set_nt_username(sampass, nt_username, PDB_SET);
590
591 /* deal with different attributes between the schema first */
592
593 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
594 if ((temp = smbldap_talloc_single_attribute(
595 ldap_state->smbldap_state->ldap_struct,
596 entry,
597 get_userattr_key2string(ldap_state->schema_ver,
598 LDAP_ATTR_USER_SID),
599 ctx))!=NULL) {
600 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
601 }
602 } else {
603 if ((temp = smbldap_talloc_single_attribute(
604 ldap_state->smbldap_state->ldap_struct,
605 entry,
606 get_userattr_key2string(ldap_state->schema_ver,
607 LDAP_ATTR_USER_RID),
608 ctx))!=NULL) {
609 user_rid = (uint32_t)atol(temp);
610 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
611 }
612 }
613
614 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
615 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
616 get_userattr_key2string(ldap_state->schema_ver,
617 LDAP_ATTR_USER_SID),
618 get_userattr_key2string(ldap_state->schema_ver,
619 LDAP_ATTR_USER_RID),
620 username));
621 return False;
622 }
623
624 temp = smbldap_talloc_single_attribute(
625 ldap_state->smbldap_state->ldap_struct,
626 entry,
627 get_userattr_key2string(ldap_state->schema_ver,
628 LDAP_ATTR_PWD_LAST_SET),
629 ctx);
630 if (temp) {
631 pass_last_set_time = (time_t) atol(temp);
632 pdb_set_pass_last_set_time(sampass,
633 pass_last_set_time, PDB_SET);
634 }
635
636 temp = smbldap_talloc_single_attribute(
637 ldap_state->smbldap_state->ldap_struct,
638 entry,
639 get_userattr_key2string(ldap_state->schema_ver,
640 LDAP_ATTR_LOGON_TIME),
641 ctx);
642 if (temp) {
643 logon_time = (time_t) atol(temp);
644 pdb_set_logon_time(sampass, logon_time, PDB_SET);
645 }
646
647 temp = smbldap_talloc_single_attribute(
648 ldap_state->smbldap_state->ldap_struct,
649 entry,
650 get_userattr_key2string(ldap_state->schema_ver,
651 LDAP_ATTR_LOGOFF_TIME),
652 ctx);
653 if (temp) {
654 logoff_time = (time_t) atol(temp);
655 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
656 }
657
658 temp = smbldap_talloc_single_attribute(
659 ldap_state->smbldap_state->ldap_struct,
660 entry,
661 get_userattr_key2string(ldap_state->schema_ver,
662 LDAP_ATTR_KICKOFF_TIME),
663 ctx);
664 if (temp) {
665 kickoff_time = (time_t) atol(temp);
666 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
667 }
668
669 temp = smbldap_talloc_single_attribute(
670 ldap_state->smbldap_state->ldap_struct,
671 entry,
672 get_userattr_key2string(ldap_state->schema_ver,
673 LDAP_ATTR_PWD_CAN_CHANGE),
674 ctx);
675 if (temp) {
676 pass_can_change_time = (time_t) atol(temp);
677 pdb_set_pass_can_change_time(sampass,
678 pass_can_change_time, PDB_SET);
679 }
680
681 temp = smbldap_talloc_single_attribute(
682 ldap_state->smbldap_state->ldap_struct,
683 entry,
684 get_userattr_key2string(ldap_state->schema_ver,
685 LDAP_ATTR_PWD_MUST_CHANGE),
686 ctx);
687 if (temp) {
688 pass_must_change_time = (time_t) atol(temp);
689 pdb_set_pass_must_change_time(sampass,
690 pass_must_change_time, PDB_SET);
691 }
692
693 /* recommend that 'gecos' and 'displayName' should refer to the same
694 * attribute OID. userFullName depreciated, only used by Samba
695 * primary rules of LDAP: don't make a new attribute when one is already defined
696 * that fits your needs; using cn then displayName rather than 'userFullName'
697 */
698
699 fullname = smbldap_talloc_single_attribute(
700 ldap_state->smbldap_state->ldap_struct,
701 entry,
702 get_userattr_key2string(ldap_state->schema_ver,
703 LDAP_ATTR_DISPLAY_NAME),
704 ctx);
705 if (fullname) {
706 pdb_set_fullname(sampass, fullname, PDB_SET);
707 } else {
708 fullname = smbldap_talloc_single_attribute(
709 ldap_state->smbldap_state->ldap_struct,
710 entry,
711 get_userattr_key2string(ldap_state->schema_ver,
712 LDAP_ATTR_CN),
713 ctx);
714 if (fullname) {
715 pdb_set_fullname(sampass, fullname, PDB_SET);
716 }
717 }
718
719 dir_drive = smbldap_talloc_single_attribute(
720 ldap_state->smbldap_state->ldap_struct,
721 entry,
722 get_userattr_key2string(ldap_state->schema_ver,
723 LDAP_ATTR_HOME_DRIVE),
724 ctx);
725 if (dir_drive) {
726 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
727 } else {
728 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
729 }
730
731 homedir = smbldap_talloc_single_attribute(
732 ldap_state->smbldap_state->ldap_struct,
733 entry,
734 get_userattr_key2string(ldap_state->schema_ver,
735 LDAP_ATTR_HOME_PATH),
736 ctx);
737 if (homedir) {
738 if (expand_explicit) {
739 homedir = talloc_sub_basic(ctx,
740 username,
741 domain,
742 homedir);
743 if (!homedir) {
744 goto fn_exit;
745 }
746 }
747 pdb_set_homedir(sampass, homedir, PDB_SET);
748 } else {
749 pdb_set_homedir(sampass,
750 talloc_sub_basic(ctx, username, domain,
751 lp_logon_home()),
752 PDB_DEFAULT);
753 }
754
755 logon_script = smbldap_talloc_single_attribute(
756 ldap_state->smbldap_state->ldap_struct,
757 entry,
758 get_userattr_key2string(ldap_state->schema_ver,
759 LDAP_ATTR_LOGON_SCRIPT),
760 ctx);
761 if (logon_script) {
762 if (expand_explicit) {
763 logon_script = talloc_sub_basic(ctx,
764 username,
765 domain,
766 logon_script);
767 if (!logon_script) {
768 goto fn_exit;
769 }
770 }
771 pdb_set_logon_script(sampass, logon_script, PDB_SET);
772 } else {
773 pdb_set_logon_script(sampass,
774 talloc_sub_basic(ctx, username, domain,
775 lp_logon_script()),
776 PDB_DEFAULT );
777 }
778
779 profile_path = smbldap_talloc_single_attribute(
780 ldap_state->smbldap_state->ldap_struct,
781 entry,
782 get_userattr_key2string(ldap_state->schema_ver,
783 LDAP_ATTR_PROFILE_PATH),
784 ctx);
785 if (profile_path) {
786 if (expand_explicit) {
787 profile_path = talloc_sub_basic(ctx,
788 username,
789 domain,
790 profile_path);
791 if (!profile_path) {
792 goto fn_exit;
793 }
794 }
795 pdb_set_profile_path(sampass, profile_path, PDB_SET);
796 } else {
797 pdb_set_profile_path(sampass,
798 talloc_sub_basic(ctx, username, domain,
799 lp_logon_path()),
800 PDB_DEFAULT );
801 }
802
803 acct_desc = smbldap_talloc_single_attribute(
804 ldap_state->smbldap_state->ldap_struct,
805 entry,
806 get_userattr_key2string(ldap_state->schema_ver,
807 LDAP_ATTR_DESC),
808 ctx);
809 if (acct_desc) {
810 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
811 }
812
813 workstations = smbldap_talloc_single_attribute(
814 ldap_state->smbldap_state->ldap_struct,
815 entry,
816 get_userattr_key2string(ldap_state->schema_ver,
817 LDAP_ATTR_USER_WKS),
818 ctx);
819 if (workstations) {
820 pdb_set_workstations(sampass, workstations, PDB_SET);
821 }
822
823 munged_dial = smbldap_talloc_single_attribute(
824 ldap_state->smbldap_state->ldap_struct,
825 entry,
826 get_userattr_key2string(ldap_state->schema_ver,
827 LDAP_ATTR_MUNGED_DIAL),
828 ctx);
829 if (munged_dial) {
830 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
831 }
832
833 /* FIXME: hours stuff should be cleaner */
834
835 logon_divs = 168;
836 hours_len = 21;
837 memset(hours, 0xff, hours_len);
838
839 if (ldap_state->is_nds_ldap) {
840 char *user_dn;
841 size_t pwd_len;
842 char clear_text_pw[512];
843
844 /* Make call to Novell eDirectory ldap extension to get clear text password.
845 NOTE: This will only work if we have an SSL connection to eDirectory. */
846 user_dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
847 if (user_dn != NULL) {
848 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
849
850 pwd_len = sizeof(clear_text_pw);
851 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
852 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
853 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
854 TALLOC_FREE(user_dn);
855 return False;
856 }
857 ZERO_STRUCT(smblmpwd);
858 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
859 TALLOC_FREE(user_dn);
860 return False;
861 }
862 ZERO_STRUCT(smbntpwd);
863 use_samba_attrs = False;
864 }
865
866 TALLOC_FREE(user_dn);
867
868 } else {
869 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
870 }
871 }
872
873 if (use_samba_attrs) {
874 temp = smbldap_talloc_single_attribute(
875 ldap_state->smbldap_state->ldap_struct,
876 entry,
877 get_userattr_key2string(ldap_state->schema_ver,
878 LDAP_ATTR_LMPW),
879 ctx);
880 if (temp) {
881 pdb_gethexpwd(temp, smblmpwd);
882 memset((char *)temp, '\0', strlen(temp)+1);
883 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
884 goto fn_exit;
885 }
886 ZERO_STRUCT(smblmpwd);
887 }
888
889 temp = smbldap_talloc_single_attribute(
890 ldap_state->smbldap_state->ldap_struct,
891 entry,
892 get_userattr_key2string(ldap_state->schema_ver,
893 LDAP_ATTR_NTPW),
894 ctx);
895 if (temp) {
896 pdb_gethexpwd(temp, smbntpwd);
897 memset((char *)temp, '\0', strlen(temp)+1);
898 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
899 goto fn_exit;
900 }
901 ZERO_STRUCT(smbntpwd);
902 }
903 }
904
905 pwHistLen = 0;
906
907 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
908 if (pwHistLen > 0){
909 uint8 *pwhist = NULL;
910 int i;
911 char *history_string = TALLOC_ARRAY(ctx, char,
912 MAX_PW_HISTORY_LEN*64);
913
914 if (!history_string) {
915 goto fn_exit;
916 }
917
918 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
919
920 pwhist = TALLOC_ARRAY(ctx, uint8,
921 pwHistLen * PW_HISTORY_ENTRY_LEN);
922 if (pwhist == NULL) {
923 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
924 goto fn_exit;
925 }
926 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
927
928 if (smbldap_get_single_attribute(
929 ldap_state->smbldap_state->ldap_struct,
930 entry,
931 get_userattr_key2string(ldap_state->schema_ver,
932 LDAP_ATTR_PWD_HISTORY),
933 history_string,
934 MAX_PW_HISTORY_LEN*64)) {
935 bool hex_failed = false;
936 for (i = 0; i < pwHistLen; i++){
937 /* Get the 16 byte salt. */
938 if (!pdb_gethexpwd(&history_string[i*64],
939 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
940 hex_failed = true;
941 break;
942 }
943 /* Get the 16 byte MD5 hash of salt+passwd. */
944 if (!pdb_gethexpwd(&history_string[(i*64)+32],
945 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
946 PW_HISTORY_SALT_LEN])) {
947 hex_failed = True;
948 break;
949 }
950 }
951 if (hex_failed) {
952 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
953 username));
954 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
955 }
956 }
957 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
958 goto fn_exit;
959 }
960 }
961
962 temp = smbldap_talloc_single_attribute(
963 ldap_state->smbldap_state->ldap_struct,
964 entry,
965 get_userattr_key2string(ldap_state->schema_ver,
966 LDAP_ATTR_ACB_INFO),
967 ctx);
968 if (temp) {
969 acct_ctrl = pdb_decode_acct_ctrl(temp);
970
971 if (acct_ctrl == 0) {
972 acct_ctrl |= ACB_NORMAL;
973 }
974
975 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
976 } else {
977 acct_ctrl |= ACB_NORMAL;
978 }
979
980 pdb_set_hours_len(sampass, hours_len, PDB_SET);
981 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
982
983 temp = smbldap_talloc_single_attribute(
984 ldap_state->smbldap_state->ldap_struct,
985 entry,
986 get_userattr_key2string(ldap_state->schema_ver,
987 LDAP_ATTR_BAD_PASSWORD_COUNT),
988 ctx);
989 if (temp) {
990 bad_password_count = (uint32_t) atol(temp);
991 pdb_set_bad_password_count(sampass,
992 bad_password_count, PDB_SET);
993 }
994
995 temp = smbldap_talloc_single_attribute(
996 ldap_state->smbldap_state->ldap_struct,
997 entry,
998 get_userattr_key2string(ldap_state->schema_ver,
999 LDAP_ATTR_BAD_PASSWORD_TIME),
1000 ctx);
1001 if (temp) {
1002 bad_password_time = (time_t) atol(temp);
1003 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1004 }
1005
1006
1007 temp = smbldap_talloc_single_attribute(
1008 ldap_state->smbldap_state->ldap_struct,
1009 entry,
1010 get_userattr_key2string(ldap_state->schema_ver,
1011 LDAP_ATTR_LOGON_COUNT),
1012 ctx);
1013 if (temp) {
1014 logon_count = (uint32_t) atol(temp);
1015 pdb_set_logon_count(sampass, logon_count, PDB_SET);
1016 }
1017
1018 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
1019
1020 temp = smbldap_talloc_single_attribute(
1021 ldap_state->smbldap_state->ldap_struct,
1022 entry,
1023 get_userattr_key2string(ldap_state->schema_ver,
1024 LDAP_ATTR_LOGON_HOURS),
1025 ctx);
1026 if (temp) {
1027 pdb_gethexhours(temp, hours);
1028 memset((char *)temp, '\0', strlen(temp) +1);
1029 pdb_set_hours(sampass, hours, PDB_SET);
1030 ZERO_STRUCT(hours);
1031 }
1032
1033 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
1034 struct passwd unix_pw;
1035 bool have_uid = false;
1036 bool have_gid = false;
1037 struct dom_sid mapped_gsid;
1038 const struct dom_sid *primary_gsid;
1039
1040 ZERO_STRUCT(unix_pw);
1041
1042 unix_pw.pw_name = username;
1043 unix_pw.pw_passwd = discard_const_p(char, "x");
1044
1045 temp = smbldap_talloc_single_attribute(
1046 priv2ld(ldap_state),
1047 entry,
1048 "uidNumber",
1049 ctx);
1050 if (temp) {
1051 /* We've got a uid, feed the cache */
1052 unix_pw.pw_uid = strtoul(temp, NULL, 10);
1053 have_uid = true;
1054 }
1055 temp = smbldap_talloc_single_attribute(
1056 priv2ld(ldap_state),
1057 entry,
1058 "gidNumber",
1059 ctx);
1060 if (temp) {
1061 /* We've got a uid, feed the cache */
1062 unix_pw.pw_gid = strtoul(temp, NULL, 10);
1063 have_gid = true;
1064 }
1065 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1066 priv2ld(ldap_state),
1067 entry,
1068 "gecos",
1069 ctx);
1070 if (unix_pw.pw_gecos) {
1071 unix_pw.pw_gecos = fullname;
1072 }
1073 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1074 priv2ld(ldap_state),
1075 entry,
1076 "homeDirectory",
1077 ctx);
1078 if (unix_pw.pw_dir) {
1079 unix_pw.pw_dir = discard_const_p(char, "");
1080 }
1081 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1082 priv2ld(ldap_state),
1083 entry,
1084 "loginShell",
1085 ctx);
1086 if (unix_pw.pw_shell) {
1087 unix_pw.pw_shell = discard_const_p(char, "");
1088 }
1089
1090 if (have_uid && have_gid) {
1091 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1092 } else {
1093 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1094 }
1095
1096 if (sampass->unix_pw == NULL) {
1097 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1098 pdb_get_username(sampass)));
1099 goto fn_exit;
1100 }
1101
1102 store_uid_sid_cache(pdb_get_user_sid(sampass),
1103 sampass->unix_pw->pw_uid);
1104 idmap_cache_set_sid2uid(pdb_get_user_sid(sampass),
1105 sampass->unix_pw->pw_uid);
1106
1107 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1108 primary_gsid = pdb_get_group_sid(sampass);
1109 if (primary_gsid && sid_equal(primary_gsid, &mapped_gsid)) {
1110 store_gid_sid_cache(primary_gsid,
1111 sampass->unix_pw->pw_gid);
1112 idmap_cache_set_sid2gid(primary_gsid,
1113 sampass->unix_pw->pw_gid);
1114 }
1115 }
1116
1117 /* check the timestamp of the cache vs ldap entry */
1118 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1119 entry))) {
1120 ret = true;
1121 goto fn_exit;
1122 }
1123
1124 /* see if we have newer updates */
1125 if (!login_cache_read(sampass, &cache_entry)) {
1126 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1127 (unsigned int)pdb_get_bad_password_count(sampass),
1128 (unsigned int)pdb_get_bad_password_time(sampass)));
1129 ret = true;
1130 goto fn_exit;
1131 }
1132
1133 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1134 (unsigned int)ldap_entry_time,
1135 (unsigned int)cache_entry.entry_timestamp,
1136 (unsigned int)cache_entry.bad_password_time));
1137
1138 if (ldap_entry_time > cache_entry.entry_timestamp) {
1139 /* cache is older than directory , so
1140 we need to delete the entry but allow the
1141 fields to be written out */
1142 login_cache_delentry(sampass);
1143 } else {
1144 /* read cache in */
1145 pdb_set_acct_ctrl(sampass,
1146 pdb_get_acct_ctrl(sampass) |
1147 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1148 PDB_SET);
1149 pdb_set_bad_password_count(sampass,
1150 cache_entry.bad_password_count,
1151 PDB_SET);
1152 pdb_set_bad_password_time(sampass,
1153 cache_entry.bad_password_time,
1154 PDB_SET);
1155 }
1156
1157 ret = true;
1158
1159 fn_exit:
1160
1161 TALLOC_FREE(ctx);
1162 return ret;
1163 }
1164
1165 /**********************************************************************
1166 Initialize the ldap db from a struct samu. Called on update.
1167 (Based on init_buffer_from_sam in pdb_tdb.c)
1168 *********************************************************************/
1169
1170 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1171 LDAPMessage *existing,
1172 LDAPMod *** mods, struct samu * sampass,
1173 bool (*need_update)(const struct samu *,
1174 enum pdb_elements))
1175 {
1176 char *temp = NULL;
1177 uint32_t rid;
1178
1179 if (mods == NULL || sampass == NULL) {
1180 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1181 return False;
1182 }
1183
1184 *mods = NULL;
1185
1186 /*
1187 * took out adding "objectclass: sambaAccount"
1188 * do this on a per-mod basis
1189 */
1190 if (need_update(sampass, PDB_USERNAME)) {
1191 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1192 "uid", pdb_get_username(sampass));
1193 if (ldap_state->is_nds_ldap) {
1194 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1195 "cn", pdb_get_username(sampass));
1196 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1197 "sn", pdb_get_username(sampass));
1198 }
1199 }
1200
1201 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1202
1203 /* only update the RID if we actually need to */
1204 if (need_update(sampass, PDB_USERSID)) {
1205 fstring sid_string;
1206 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1207
1208 switch ( ldap_state->schema_ver ) {
1209 case SCHEMAVER_SAMBAACCOUNT:
1210 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
1211 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1212 sid_string_dbg(user_sid),
1213 sid_string_dbg(
1214 &ldap_state->domain_sid)));
1215 return False;
1216 }
1217 if (asprintf(&temp, "%i", rid) < 0) {
1218 return false;
1219 }
1220 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1221 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
1222 temp);
1223 SAFE_FREE(temp);
1224 break;
1225
1226 case SCHEMAVER_SAMBASAMACCOUNT:
1227 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1228 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1229 sid_to_fstring(sid_string, user_sid));
1230 break;
1231
1232 default:
1233 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1234 break;
1235 }
1236 }
1237
1238 /* we don't need to store the primary group RID - so leaving it
1239 'free' to hang off the unix primary group makes life easier */
1240
1241 if (need_update(sampass, PDB_GROUPSID)) {
1242 fstring sid_string;
1243 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1244
1245 switch ( ldap_state->schema_ver ) {
1246 case SCHEMAVER_SAMBAACCOUNT:
1247 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1248 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1249 sid_string_dbg(group_sid),
1250 sid_string_dbg(
1251 &ldap_state->domain_sid)));
1252 return False;
1253 }
1254
1255 if (asprintf(&temp, "%i", rid) < 0) {
1256 return false;
1257 }
1258 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1259 get_userattr_key2string(ldap_state->schema_ver,
1260 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1261 SAFE_FREE(temp);
1262 break;
1263
1264 case SCHEMAVER_SAMBASAMACCOUNT:
1265 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1266 get_userattr_key2string(ldap_state->schema_ver,
1267 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_fstring(sid_string, group_sid));
1268 break;
1269
1270 default:
1271 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1272 break;
1273 }
1274
1275 }
1276
1277 /* displayName, cn, and gecos should all be the same
1278 * most easily accomplished by giving them the same OID
1279 * gecos isn't set here b/c it should be handled by the
1280 * add-user script
1281 * We change displayName only and fall back to cn if
1282 * it does not exist.
1283 */
1284
1285 if (need_update(sampass, PDB_FULLNAME))
1286 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1287 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1288 pdb_get_fullname(sampass));
1289
1290 if (need_update(sampass, PDB_ACCTDESC))
1291 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1292 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1293 pdb_get_acct_desc(sampass));
1294
1295 if (need_update(sampass, PDB_WORKSTATIONS))
1296 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1297 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1298 pdb_get_workstations(sampass));
1299
1300 if (need_update(sampass, PDB_MUNGEDDIAL))
1301 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1302 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1303 pdb_get_munged_dial(sampass));
1304
1305 if (need_update(sampass, PDB_SMBHOME))
1306 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1307 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1308 pdb_get_homedir(sampass));
1309
1310 if (need_update(sampass, PDB_DRIVE))
1311 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1312 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1313 pdb_get_dir_drive(sampass));
1314
1315 if (need_update(sampass, PDB_LOGONSCRIPT))
1316 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1317 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1318 pdb_get_logon_script(sampass));
1319
1320 if (need_update(sampass, PDB_PROFILE))
1321 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1322 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1323 pdb_get_profile_path(sampass));
1324
1325 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1326 return false;
1327 }
1328 if (need_update(sampass, PDB_LOGONTIME))
1329 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1330 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1331 SAFE_FREE(temp);
1332
1333 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1334 return false;
1335 }
1336 if (need_update(sampass, PDB_LOGOFFTIME))
1337 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1338 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1339 SAFE_FREE(temp);
1340
1341 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1342 return false;
1343 }
1344 if (need_update(sampass, PDB_KICKOFFTIME))
1345 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1346 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1347 SAFE_FREE(temp);
1348
1349 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1350 return false;
1351 }
1352 if (need_update(sampass, PDB_CANCHANGETIME))
1353 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1354 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1355 SAFE_FREE(temp);
1356
1357 if (asprintf(&temp, "%li", (long int)pdb_get_pass_must_change_time(sampass)) < 0) {
1358 return false;
1359 }
1360 if (need_update(sampass, PDB_MUSTCHANGETIME))
1361 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1362 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1363 SAFE_FREE(temp);
1364
1365 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1366 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1367
1368 if (need_update(sampass, PDB_LMPASSWD)) {
1369 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1370 if (lm_pw) {
1371 char pwstr[34];
1372 pdb_sethexpwd(pwstr, lm_pw,
1373 pdb_get_acct_ctrl(sampass));
1374 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1375 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1376 pwstr);
1377 } else {
1378 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1379 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1380 NULL);
1381 }
1382 }
1383 if (need_update(sampass, PDB_NTPASSWD)) {
1384 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1385 if (nt_pw) {
1386 char pwstr[34];
1387 pdb_sethexpwd(pwstr, nt_pw,
1388 pdb_get_acct_ctrl(sampass));
1389 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1390 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1391 pwstr);
1392 } else {
1393 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1394 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1395 NULL);
1396 }
1397 }
1398
1399 if (need_update(sampass, PDB_PWHISTORY)) {
1400 char *pwstr = NULL;
1401 uint32_t pwHistLen = 0;
1402 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1403
1404 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1405 if (!pwstr) {
1406 return false;
1407 }
1408 if (pwHistLen == 0) {
1409 /* Remove any password history from the LDAP store. */
1410 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1411 pwstr[64] = '\0';
1412 } else {
1413 int i;
1414 uint32_t currHistLen = 0;
1415 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1416 if (pwhist != NULL) {
1417 /* We can only store (1024-1/64 password history entries. */
1418 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1419 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1420 /* Store the salt. */
1421 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1422 /* Followed by the md5 hash of salt + md4 hash */
1423 pdb_sethexpwd(&pwstr[(i*64)+32],
1424 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1425 DEBUG(100, ("pwstr=%s\n", pwstr));
1426 }
1427 }
1428 }
1429 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1430 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1431 pwstr);
1432 SAFE_FREE(pwstr);
1433 }
1434
1435 if (need_update(sampass, PDB_PASSLASTSET)) {
1436 if (asprintf(&temp, "%li",
1437 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1438 return false;
1439 }
1440 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1441 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1442 temp);
1443 SAFE_FREE(temp);
1444 }
1445 }
1446
1447 if (need_update(sampass, PDB_HOURS)) {
1448 const uint8 *hours = pdb_get_hours(sampass);
1449 if (hours) {
1450 char hourstr[44];
1451 pdb_sethexhours(hourstr, hours);
1452 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1453 existing,
1454 mods,
1455 get_userattr_key2string(ldap_state->schema_ver,
1456 LDAP_ATTR_LOGON_HOURS),
1457 hourstr);
1458 }
1459 }
1460
1461 if (need_update(sampass, PDB_ACCTCTRL))
1462 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1463 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1464 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1465
1466 /* password lockout cache:
1467 - If we are now autolocking or clearing, we write to ldap
1468 - If we are clearing, we delete the cache entry
1469 - If the count is > 0, we update the cache
1470
1471 This even means when autolocking, we cache, just in case the
1472 update doesn't work, and we have to cache the autolock flag */
1473
1474 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1475 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1476 uint16_t badcount = pdb_get_bad_password_count(sampass);
1477 time_t badtime = pdb_get_bad_password_time(sampass);
1478 uint32_t pol;
1479 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1480
1481 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1482 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1483
1484 if ((badcount >= pol) || (badcount == 0)) {
1485 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1486 (unsigned int)badcount, (unsigned int)badtime));
1487 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1488 return false;
1489 }
1490 smbldap_make_mod(
1491 ldap_state->smbldap_state->ldap_struct,
1492 existing, mods,
1493 get_userattr_key2string(
1494 ldap_state->schema_ver,
1495 LDAP_ATTR_BAD_PASSWORD_COUNT),
1496 temp);
1497 SAFE_FREE(temp);
1498
1499 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1500 return false;
1501 }
1502 smbldap_make_mod(
1503 ldap_state->smbldap_state->ldap_struct,
1504 existing, mods,
1505 get_userattr_key2string(
1506 ldap_state->schema_ver,
1507 LDAP_ATTR_BAD_PASSWORD_TIME),
1508 temp);
1509 SAFE_FREE(temp);
1510 }
1511 if (badcount == 0) {
1512 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1513 login_cache_delentry(sampass);
1514 } else {
1515 struct login_cache cache_entry;
1516
1517 cache_entry.entry_timestamp = time(NULL);
1518 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1519 cache_entry.bad_password_count = badcount;
1520 cache_entry.bad_password_time = badtime;
1521
1522 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1523 login_cache_write(sampass, &cache_entry);
1524 }
1525 }
1526
1527 return True;
1528 }
1529
1530 /**********************************************************************
1531 End enumeration of the LDAP password list.
1532 *********************************************************************/
1533
1534 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1535 {
1536 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1537 if (ldap_state->result) {
1538 ldap_msgfree(ldap_state->result);
1539 ldap_state->result = NULL;
1540 }
1541 }
1542
1543 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1544 const char *new_attr)
1545 {
1546 int i;
1547
1548 if (new_attr == NULL) {
1549 return;
1550 }
1551
1552 for (i=0; (*attr_list)[i] != NULL; i++) {
1553 ;
1554 }
1555
1556 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1557 const char *, i+2);
1558 SMB_ASSERT((*attr_list) != NULL);
1559 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1560 (*attr_list)[i+1] = NULL;
1561 }
1562
1563 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1564 const char ***attr_list)
1565 {
1566 append_attr(mem_ctx, attr_list, "uidNumber");
1567 append_attr(mem_ctx, attr_list, "gidNumber");
1568 append_attr(mem_ctx, attr_list, "homeDirectory");
1569 append_attr(mem_ctx, attr_list, "loginShell");
1570 append_attr(mem_ctx, attr_list, "gecos");
1571 }
1572
1573 /**********************************************************************
1574 Get struct samu entry from LDAP by username.
1575 *********************************************************************/
1576
1577 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1578 {
1579 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1580 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1581 LDAPMessage *result = NULL;
1582 LDAPMessage *entry = NULL;
1583 int count;
1584 const char ** attr_list;
1585 int rc;
1586
1587 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1588 append_attr(user, &attr_list,
1589 get_userattr_key2string(ldap_state->schema_ver,
1590 LDAP_ATTR_MOD_TIMESTAMP));
1591 ldapsam_add_unix_attributes(user, &attr_list);
1592 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1593 attr_list);
1594 TALLOC_FREE( attr_list );
1595
1596 if ( rc != LDAP_SUCCESS )
1597 return NT_STATUS_NO_SUCH_USER;
1598
1599 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1600
1601 if (count < 1) {
1602 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1603 ldap_msgfree(result);
1604 return NT_STATUS_NO_SUCH_USER;
1605 } else if (count > 1) {
1606 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1607 ldap_msgfree(result);
1608 return NT_STATUS_NO_SUCH_USER;
1609 }
1610
1611 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1612 if (entry) {
1613 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1614 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1615 ldap_msgfree(result);
1616 return NT_STATUS_NO_SUCH_USER;
1617 }
1618 pdb_set_backend_private_data(user, result, NULL,
1619 my_methods, PDB_CHANGED);
1620 talloc_autofree_ldapmsg(user, result);
1621 ret = NT_STATUS_OK;
1622 } else {
1623 ldap_msgfree(result);
1624 }
1625 return ret;
1626 }
1627
1628 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1629 const struct dom_sid *sid, LDAPMessage **result)
1630 {
1631 int rc = -1;
1632 const char ** attr_list;
1633 uint32_t rid;
1634
1635 switch ( ldap_state->schema_ver ) {
1636 case SCHEMAVER_SAMBASAMACCOUNT: {
1637 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1638 if (tmp_ctx == NULL) {
1639 return LDAP_NO_MEMORY;
1640 }
1641
1642 attr_list = get_userattr_list(tmp_ctx,
1643 ldap_state->schema_ver);
1644 append_attr(tmp_ctx, &attr_list,
1645 get_userattr_key2string(
1646 ldap_state->schema_ver,
1647 LDAP_ATTR_MOD_TIMESTAMP));
1648 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1649 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1650 result, attr_list);
1651 TALLOC_FREE(tmp_ctx);
1652
1653 if ( rc != LDAP_SUCCESS )
1654 return rc;
1655 break;
1656 }
1657
1658 case SCHEMAVER_SAMBAACCOUNT:
1659 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1660 return rc;
1661 }
1662
1663 attr_list = get_userattr_list(NULL,
1664 ldap_state->schema_ver);
1665 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1666 TALLOC_FREE( attr_list );
1667
1668 if ( rc != LDAP_SUCCESS )
1669 return rc;
1670 break;
1671 }
1672 return rc;
1673 }
1674
1675 /**********************************************************************
1676 Get struct samu entry from LDAP by SID.
1677 *********************************************************************/
1678
1679 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1680 {
1681 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1682 LDAPMessage *result = NULL;
1683 LDAPMessage *entry = NULL;
1684 int count;
1685 int rc;
1686
1687 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1688 sid, &result);
1689 if (rc != LDAP_SUCCESS)
1690 return NT_STATUS_NO_SUCH_USER;
1691
1692 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1693
1694 if (count < 1) {
1695 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1696 "count=%d\n", sid_string_dbg(sid), count));
1697 ldap_msgfree(result);
1698 return NT_STATUS_NO_SUCH_USER;
1699 } else if (count > 1) {
1700 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1701 "[%s]. Failing. count=%d\n", sid_string_dbg(sid),
1702 count));
1703 ldap_msgfree(result);
1704 return NT_STATUS_NO_SUCH_USER;
1705 }
1706
1707 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1708 if (!entry) {
1709 ldap_msgfree(result);
1710 return NT_STATUS_NO_SUCH_USER;
1711 }
1712
1713 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1714 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1715 ldap_msgfree(result);
1716 return NT_STATUS_NO_SUCH_USER;
1717 }
1718
1719 pdb_set_backend_private_data(user, result, NULL,
1720 my_methods, PDB_CHANGED);
1721 talloc_autofree_ldapmsg(user, result);
1722 return NT_STATUS_OK;
1723 }
1724
1725 /********************************************************************
1726 Do the actual modification - also change a plaintext passord if
1727 it it set.
1728 **********************************************************************/
1729
1730 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1731 struct samu *newpwd, char *dn,
1732 LDAPMod **mods, int ldap_op,
1733 bool (*need_update)(const struct samu *, enum pdb_elements))
1734 {
1735 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1736 int rc;
1737
1738 if (!newpwd || !dn) {
1739 return NT_STATUS_INVALID_PARAMETER;
1740 }
1741
1742 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1743 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1744 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1745 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1746 BerElement *ber;
1747 struct berval *bv;
1748 char *retoid = NULL;
1749 struct berval *retdata = NULL;
1750 char *utf8_password;
1751 char *utf8_dn;
1752 size_t converted_size;
1753 int ret;
1754
1755 if (!ldap_state->is_nds_ldap) {
1756
1757 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1758 LDAP_EXOP_MODIFY_PASSWD)) {
1759 DEBUG(2, ("ldap password change requested, but LDAP "
1760 "server does not support it -- ignoring\n"));
1761 return NT_STATUS_OK;
1762 }
1763 }
1764
1765 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1766 pdb_get_plaintext_passwd(newpwd),
1767 &converted_size))
1768 {
1769 return NT_STATUS_NO_MEMORY;
1770 }
1771
1772 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1773 TALLOC_FREE(utf8_password);
1774 return NT_STATUS_NO_MEMORY;
1775 }
1776
1777 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1778 DEBUG(0,("ber_alloc_t returns NULL\n"));
1779 TALLOC_FREE(utf8_password);
1780 TALLOC_FREE(utf8_dn);
1781 return NT_STATUS_UNSUCCESSFUL;
1782 }
1783
1784 if ((ber_printf (ber, "{") < 0) ||
1785 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1786 utf8_dn) < 0)) {
1787 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1788 "value <0\n"));
1789 ber_free(ber,1);
1790 TALLOC_FREE(utf8_dn);
1791 TALLOC_FREE(utf8_password);
1792 return NT_STATUS_UNSUCCESSFUL;
1793 }
1794
1795 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1796 ret = ber_printf(ber, "ts}",
1797 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1798 utf8_password);
1799 } else {
1800 ret = ber_printf(ber, "}");
1801 }
1802
1803 if (ret < 0) {
1804 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1805 "value <0\n"));
1806 ber_free(ber,1);
1807 TALLOC_FREE(utf8_dn);
1808 TALLOC_FREE(utf8_password);
1809 return NT_STATUS_UNSUCCESSFUL;
1810 }
1811
1812 if ((rc = ber_flatten (ber, &bv))<0) {
1813 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1814 ber_free(ber,1);
1815 TALLOC_FREE(utf8_dn);
1816 TALLOC_FREE(utf8_password);
1817 return NT_STATUS_UNSUCCESSFUL;
1818 }
1819
1820 TALLOC_FREE(utf8_dn);
1821 TALLOC_FREE(utf8_password);
1822 ber_free(ber, 1);
1823
1824 if (!ldap_state->is_nds_ldap) {
1825 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1826 LDAP_EXOP_MODIFY_PASSWD,
1827 bv, NULL, NULL, &retoid,
1828 &retdata);
1829 } else {
1830 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1831 pdb_get_plaintext_passwd(newpwd));
1832 }
1833 if (rc != LDAP_SUCCESS) {
1834 char *ld_error = NULL;
1835
1836 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1837 DEBUG(3, ("Could not set userPassword "
1838 "attribute due to an objectClass "
1839 "violation -- ignoring\n"));
1840 ber_bvfree(bv);
1841 return NT_STATUS_OK;
1842 }
1843
1844 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1845 &ld_error);
1846 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1847 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1848 SAFE_FREE(ld_error);
1849 ber_bvfree(bv);
1850 #if defined(LDAP_CONSTRAINT_VIOLATION)
1851 if (rc == LDAP_CONSTRAINT_VIOLATION)
1852 return NT_STATUS_PASSWORD_RESTRICTION;
1853 #endif
1854 return NT_STATUS_UNSUCCESSFUL;
1855 } else {
1856 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1857 #ifdef DEBUG_PASSWORD
1858 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1859 #endif
1860 if (retdata)
1861 ber_bvfree(retdata);
1862 if (retoid)
1863 ldap_memfree(retoid);
1864 }
1865 ber_bvfree(bv);
1866 }
1867
1868 if (!mods) {
1869 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1870 /* may be password change below however */
1871 } else {
1872 switch(ldap_op) {
1873 case LDAP_MOD_ADD:
1874 if (ldap_state->is_nds_ldap) {
1875 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1876 "objectclass",
1877 "inetOrgPerson");
1878 } else {
1879 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1880 "objectclass",
1881 LDAP_OBJ_ACCOUNT);
1882 }
1883 rc = smbldap_add(ldap_state->smbldap_state,
1884 dn, mods);
1885 break;
1886 case LDAP_MOD_REPLACE:
1887 rc = smbldap_modify(ldap_state->smbldap_state,
1888 dn ,mods);
1889 break;
1890 default:
1891 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1892 ldap_op));
1893 return NT_STATUS_INVALID_PARAMETER;
1894 }
1895
1896 if (rc!=LDAP_SUCCESS) {
1897 return NT_STATUS_UNSUCCESSFUL;
1898 }
1899 }
1900
1901 return NT_STATUS_OK;
1902 }
1903
1904 /**********************************************************************
1905 Delete entry from LDAP for username.
1906 *********************************************************************/
1907
1908 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1909 struct samu * sam_acct)
1910 {
1911 struct ldapsam_privates *priv =
1912 (struct ldapsam_privates *)my_methods->private_data;
1913 const char *sname;
1914 int rc;
1915 LDAPMessage *msg, *entry;
1916 NTSTATUS result = NT_STATUS_NO_MEMORY;
1917 const char **attr_list;
1918 TALLOC_CTX *mem_ctx;
1919
1920 if (!sam_acct) {
1921 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1922 return NT_STATUS_INVALID_PARAMETER;
1923 }
1924
1925 sname = pdb_get_username(sam_acct);
1926
1927 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1928 "LDAP.\n", sname));
1929
1930 mem_ctx = talloc_new(NULL);
1931 if (mem_ctx == NULL) {
1932 DEBUG(0, ("talloc_new failed\n"));
1933 goto done;
1934 }
1935
1936 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1937 if (attr_list == NULL) {
1938 goto done;
1939 }
1940
1941 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1942
1943 if ((rc != LDAP_SUCCESS) ||
1944 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1945 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1946 DEBUG(5, ("Could not find user %s\n", sname));
1947 result = NT_STATUS_NO_SUCH_USER;
1948 goto done;
1949 }
1950
1951 rc = ldapsam_delete_entry(
1952 priv, mem_ctx, entry,
1953 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1954 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1955 attr_list);
1956
1957 result = (rc == LDAP_SUCCESS) ?
1958 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1959
1960 done:
1961 TALLOC_FREE(mem_ctx);
1962 return result;
1963 }
1964
1965 /**********************************************************************
1966 Helper function to determine for update_sam_account whether
1967 we need LDAP modification.
1968 *********************************************************************/
1969
1970 static bool element_is_changed(const struct samu *sampass,
1971 enum pdb_elements element)
1972 {
1973 return IS_SAM_CHANGED(sampass, element);
1974 }
1975
1976 /**********************************************************************
1977 Update struct samu.
1978 *********************************************************************/
1979
1980 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1981 {
1982 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1983 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1984 int rc = 0;
1985 char *dn;
1986 LDAPMessage *result = NULL;
1987 LDAPMessage *entry = NULL;
1988 LDAPMod **mods = NULL;
1989 const char **attr_list;
1990
1991 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1992 if (!result) {
1993 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1994 if (pdb_get_username(newpwd) == NULL) {
1995 return NT_STATUS_INVALID_PARAMETER;
1996 }
1997 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1998 TALLOC_FREE( attr_list );
1999 if (rc != LDAP_SUCCESS) {
2000 return NT_STATUS_UNSUCCESSFUL;
2001 }
2002 pdb_set_backend_private_data(newpwd, result, NULL,
2003 my_methods, PDB_CHANGED);
2004 talloc_autofree_ldapmsg(newpwd, result);
2005 }
2006
2007 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2008 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
2009 return NT_STATUS_UNSUCCESSFUL;
2010 }
2011
2012 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2013 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
2014 if (!dn) {
2015 return NT_STATUS_UNSUCCESSFUL;
2016 }
2017
2018 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
2019
2020 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2021 element_is_changed)) {
2022 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
2023 TALLOC_FREE(dn);
2024 if (mods != NULL)
2025 ldap_mods_free(mods,True);
2026 return NT_STATUS_UNSUCCESSFUL;
2027 }
2028
2029 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
2030 && (mods == NULL)) {
2031 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
2032 pdb_get_username(newpwd)));
2033 TALLOC_FREE(dn);
2034 return NT_STATUS_OK;
2035 }
2036
2037 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
2038
2039 if (mods != NULL) {
2040 ldap_mods_free(mods,True);
2041 }
2042
2043 TALLOC_FREE(dn);
2044
2045 /*
2046 * We need to set the backend private data to NULL here. For example
2047 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2048 * same one, and with the explicit delete / add logic for attribute
2049 * values the second time we would use the wrong "old" value which
2050 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2051 * the update.
2052 * The existing LDAPMessage is still being auto-freed by the
2053 * destructor.
2054 */
2055 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2056 PDB_CHANGED);
2057
2058 if (!NT_STATUS_IS_OK(ret)) {
2059 return ret;
2060 }
2061
2062 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2063 pdb_get_username(newpwd)));
2064 return NT_STATUS_OK;
2065 }
2066
2067 /***************************************************************************
2068 Renames a struct samu
2069 - The "rename user script" has full responsibility for changing everything
2070 ***************************************************************************/
2071
2072 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2073 TALLOC_CTX *tmp_ctx,
2074 uint32_t group_rid,
2075 uint32_t member_rid);
2076
2077 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2078 TALLOC_CTX *mem_ctx,
2079 struct samu *user,
2080 struct dom_sid **pp_sids,
2081 gid_t **pp_gids,
2082 size_t *p_num_groups);
2083
2084 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2085 struct samu *old_acct,
2086 const char *newname)
2087 {
2088 const char *oldname;
2089 int rc;
2090 char *rename_script = NULL;
2091 fstring oldname_lower, newname_lower;
2092
2093 if (!old_acct) {
2094 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2095 return NT_STATUS_INVALID_PARAMETER;
2096 }
2097 if (!newname) {
2098 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2099 return NT_STATUS_INVALID_PARAMETER;
2100 }
2101
2102 oldname = pdb_get_username(old_acct);
2103
2104 /* rename the posix user */
2105 rename_script = SMB_STRDUP(lp_renameuser_script());
2106 if (rename_script == NULL) {
2107 return NT_STATUS_NO_MEMORY;
2108 }
2109
2110 if (!(*rename_script)) {
2111 SAFE_FREE(rename_script);
2112 return NT_STATUS_ACCESS_DENIED;
2113 }
2114
2115 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2116 oldname, newname));
2117
2118 /* We have to allow the account name to end with a '$'.
2119 Also, follow the semantics in _samr_create_user() and lower case the
2120 posix name but preserve the case in passdb */
2121
2122 fstrcpy( oldname_lower, oldname );
2123 strlower_m( oldname_lower );
2124 fstrcpy( newname_lower, newname );
2125 strlower_m( newname_lower );
2126 rename_script = realloc_string_sub2(rename_script,
2127 "%unew",
2128 newname_lower,
2129 true,
2130 true);
2131 if (!rename_script) {
2132 return NT_STATUS_NO_MEMORY;
2133 }
2134 rename_script = realloc_string_sub2(rename_script,
2135 "%uold",
2136 oldname_lower,
2137 true,
2138 true);
2139 rc = smbrun(rename_script, NULL);
2140
2141 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2142 rename_script, rc));
2143
2144 SAFE_FREE(rename_script);
2145
2146 if (rc == 0) {
2147 smb_nscd_flush_user_cache();
2148 }
2149
2150 if (rc)
2151 return NT_STATUS_UNSUCCESSFUL;
2152
2153 return NT_STATUS_OK;
2154 }
2155
2156 /**********************************************************************
2157 Helper function to determine for update_sam_account whether
2158 we need LDAP modification.
2159 *********************************************************************/
2160
2161 static bool element_is_set_or_changed(const struct samu *sampass,
2162 enum pdb_elements element)
2163 {
2164 return (IS_SAM_SET(sampass, element) ||
2165 IS_SAM_CHANGED(sampass, element));
2166 }
2167
2168 /**********************************************************************
2169 Add struct samu to LDAP.
2170 *********************************************************************/
2171
2172 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2173 {
2174 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2175 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2176 int rc;
2177 LDAPMessage *result = NULL;
2178 LDAPMessage *entry = NULL;
2179 LDAPMod **mods = NULL;
2180 int ldap_op = LDAP_MOD_REPLACE;
2181 uint32_t num_result;
2182 const char **attr_list;
2183 char *escape_user = NULL;
2184 const char *username = pdb_get_username(newpwd);
2185 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2186 char *filter = NULL;
2187 char *dn = NULL;
2188 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2189 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2190
2191 if (!ctx) {
2192 return NT_STATUS_NO_MEMORY;
2193 }
2194
2195 if (!username || !*username) {
2196 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2197 status = NT_STATUS_INVALID_PARAMETER;
2198 goto fn_exit;
2199 }
2200
2201 /* free this list after the second search or in case we exit on failure */
2202 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2203
2204 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2205
2206 if (rc != LDAP_SUCCESS) {
2207 goto fn_exit;
2208 }
2209
2210 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2211 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2212 username));
2213 goto fn_exit;
2214 }
2215 ldap_msgfree(result);
2216 result = NULL;
2217
2218 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
2219 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2220 sid, &result);
2221 if (rc == LDAP_SUCCESS) {
2222 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
2223 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2224 "already in the base, with samba "
2225 "attributes\n", sid_string_dbg(sid)));
2226 goto fn_exit;
2227 }
2228 ldap_msgfree(result);
2229 result = NULL;
2230 }
2231 }
2232
2233 /* does the entry already exist but without a samba attributes?
2234 we need to return the samba attributes here */
2235
2236 escape_user = escape_ldap_string(talloc_tos(), username);
2237 filter = talloc_strdup(attr_list, "(uid=%u)");
2238 if (!filter) {
2239 status = NT_STATUS_NO_MEMORY;
2240 goto fn_exit;
2241 }
2242 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2243 TALLOC_FREE(escape_user);
2244 if (!filter) {
2245 status = NT_STATUS_NO_MEMORY;
2246 goto fn_exit;
2247 }
2248
2249 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2250 filter, attr_list, &result);
2251 if ( rc != LDAP_SUCCESS ) {
2252 goto fn_exit;
2253 }
2254
2255 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2256
2257 if (num_result > 1) {
2258 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2259 goto fn_exit;
2260 }
2261
2262 /* Check if we need to update an existing entry */
2263 if (num_result == 1) {
2264 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2265 ldap_op = LDAP_MOD_REPLACE;
2266 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2267 dn = smbldap_talloc_dn(ctx, ldap_state->smbldap_state->ldap_struct, entry);
2268 if (!dn) {
2269 status = NT_STATUS_NO_MEMORY;
2270 goto fn_exit;
2271 }
2272
2273 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2274
2275 /* There might be a SID for this account already - say an idmap entry */
2276
2277 filter = talloc_asprintf(ctx,
2278 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2279 get_userattr_key2string(ldap_state->schema_ver,
2280 LDAP_ATTR_USER_SID),
2281 sid_string_talloc(ctx, sid),
2282 LDAP_OBJ_IDMAP_ENTRY,
2283 LDAP_OBJ_SID_ENTRY);
2284 if (!filter) {
2285 status = NT_STATUS_NO_MEMORY;
2286 goto fn_exit;
2287 }
2288
2289 /* free old result before doing a new search */
2290 if (result != NULL) {
2291 ldap_msgfree(result);
2292 result = NULL;
2293 }
2294 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2295 filter, attr_list, &result);
2296
2297 if ( rc != LDAP_SUCCESS ) {
2298 goto fn_exit;
2299 }
2300
2301 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2302
2303 if (num_result > 1) {
2304 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2305 goto fn_exit;
2306 }
2307
2308 /* Check if we need to update an existing entry */
2309 if (num_result == 1) {
2310
2311 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2312 ldap_op = LDAP_MOD_REPLACE;
2313 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2314 dn = smbldap_talloc_dn (ctx, ldap_state->smbldap_state->ldap_struct, entry);
2315 if (!dn) {
2316 status = NT_STATUS_NO_MEMORY;
2317 goto fn_exit;
2318 }
2319 }
2320 }
2321
2322 if (num_result == 0) {
2323 char *escape_username;
2324 /* Check if we need to add an entry */
2325 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2326 ldap_op = LDAP_MOD_ADD;
2327
2328 escape_username = escape_rdn_val_string_alloc(username);
2329 if (!escape_username) {
2330 status = NT_STATUS_NO_MEMORY;
2331 goto fn_exit;
2332 }
2333
2334 if (username[strlen(username)-1] == '$') {
2335 dn = talloc_asprintf(ctx,
2336 "uid=%s,%s",
2337 escape_username,
2338 lp_ldap_machine_suffix());
2339 } else {
2340 dn = talloc_asprintf(ctx,
2341 "uid=%s,%s",
2342 escape_username,
2343 lp_ldap_user_suffix());
2344 }
2345
2346 SAFE_FREE(escape_username);
2347 if (!dn) {
2348 status = NT_STATUS_NO_MEMORY;
2349 goto fn_exit;
2350 }
2351 }
2352
2353 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2354 element_is_set_or_changed)) {
2355 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2356 if (mods != NULL) {
2357 ldap_mods_free(mods, true);
2358 }
2359 goto fn_exit;
2360 }
2361
2362 if (mods == NULL) {
2363 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2364 goto fn_exit;
2365 }
2366 switch ( ldap_state->schema_ver ) {
2367 case SCHEMAVER_SAMBAACCOUNT:
2368 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2369 break;
2370 case SCHEMAVER_SAMBASAMACCOUNT:
2371 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2372 break;
2373 default:
2374 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2375 break;
2376 }
2377
2378 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2379 if (!NT_STATUS_IS_OK(ret)) {
2380 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2381 pdb_get_username(newpwd),dn));
2382 ldap_mods_free(mods, true);
2383 goto fn_exit;
2384 }
2385
2386 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2387 ldap_mods_free(mods, true);
2388
2389 status = NT_STATUS_OK;
2390
2391 fn_exit:
2392
2393 TALLOC_FREE(ctx);
2394 if (result) {
2395 ldap_msgfree(result);
2396 }
2397 return status;
2398 }
2399
2400 /**********************************************************************
2401 *********************************************************************/
2402
2403 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2404 const char *filter,
2405 LDAPMessage ** result)
2406 {
2407 int scope = LDAP_SCOPE_SUBTREE;
2408 int rc;
2409 const char **attr_list;
2410
2411 attr_list = get_attr_list(NULL, groupmap_attr_list);
2412 rc = smbldap_search(ldap_state->smbldap_state,
2413 lp_ldap_suffix (), scope,
2414 filter, attr_list, 0, result);
2415 TALLOC_FREE(attr_list);
2416
2417 return rc;
2418 }
2419
2420 /**********************************************************************
2421 *********************************************************************/
2422
2423 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2424 GROUP_MAP *map, LDAPMessage *entry)
2425 {
2426 char *temp = NULL;
2427 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2428
2429 if (ldap_state == NULL || map == NULL || entry == NULL ||
2430 ldap_state->smbldap_state->ldap_struct == NULL) {
2431 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2432 TALLOC_FREE(ctx);
2433 return false;
2434 }
2435
2436 temp = smbldap_talloc_single_attribute(
2437 ldap_state->smbldap_state->ldap_struct,
2438 entry,
2439 get_attr_key2string(groupmap_attr_list,
2440 LDAP_ATTR_GIDNUMBER),
2441 ctx);
2442 if (!temp) {
2443 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2444 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2445 TALLOC_FREE(ctx);
2446 return false;
2447 }
2448 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2449
2450 map->gid = (gid_t)atol(temp);
2451
2452 TALLOC_FREE(temp);
2453 temp = smbldap_talloc_single_attribute(
2454 ldap_state->smbldap_state->ldap_struct,
2455 entry,
2456 get_attr_key2string(groupmap_attr_list,
2457 LDAP_ATTR_GROUP_SID),
2458 ctx);
2459 if (!temp) {
2460 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2461 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2462 TALLOC_FREE(ctx);
2463 return false;
2464 }
2465
2466 if (!string_to_sid(&map->sid, temp)) {
2467 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2468 TALLOC_FREE(ctx);
2469 return false;
2470 }
2471
2472 TALLOC_FREE(temp);
2473 temp = smbldap_talloc_single_attribute(
2474 ldap_state->smbldap_state->ldap_struct,
2475 entry,
2476 get_attr_key2string(groupmap_attr_list,
2477 LDAP_ATTR_GROUP_TYPE),
2478 ctx);
2479 if (!temp) {
2480 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2481 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2482 TALLOC_FREE(ctx);
2483 return false;
2484 }
2485 map->sid_name_use = (enum lsa_SidType)atol(temp);
2486
2487 if ((map->sid_name_use < SID_NAME_USER) ||
2488 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2489 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2490 TALLOC_FREE(ctx);
2491 return false;
2492 }
2493
2494 TALLOC_FREE(temp);
2495 temp = smbldap_talloc_single_attribute(
2496 ldap_state->smbldap_state->ldap_struct,
2497 entry,
2498 get_attr_key2string(groupmap_attr_list,
2499 LDAP_ATTR_DISPLAY_NAME),
2500 ctx);
2501 if (!temp) {
2502 temp = smbldap_talloc_single_attribute(
2503 ldap_state->smbldap_state->ldap_struct,
2504 entry,
2505 get_attr_key2string(groupmap_attr_list,
2506 LDAP_ATTR_CN),
2507 ctx);
2508 if (!temp) {
2509 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2510 for gidNumber(%lu)\n",(unsigned long)map->gid));
2511 TALLOC_FREE(ctx);
2512 return false;
2513 }
2514 }
2515 fstrcpy(map->nt_name, temp);
2516
2517 TALLOC_FREE(temp);
2518 temp = smbldap_talloc_single_attribute(
2519 ldap_state->smbldap_state->ldap_struct,
2520 entry,
2521 get_attr_key2string(groupmap_attr_list,
2522 LDAP_ATTR_DESC),
2523 ctx);
2524 if (!temp) {
2525 temp = talloc_strdup(ctx, "");
2526 if (!temp) {
2527 TALLOC_FREE(ctx);
2528 return false;
2529 }
2530 }
2531 fstrcpy(map->comment, temp);
2532
2533 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2534 store_gid_sid_cache(&map->sid, map->gid);
2535 idmap_cache_set_sid2gid(&map->sid, map->gid);
2536 }
2537
2538 TALLOC_FREE(ctx);
2539 return true;
2540 }
2541
2542 /**********************************************************************
2543 *********************************************************************/
2544
2545 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2546 const char *filter,
2547 GROUP_MAP *map)
2548 {
2549 struct ldapsam_privates *ldap_state =
2550 (struct ldapsam_privates *)methods->private_data;
2551 LDAPMessage *result = NULL;
2552 LDAPMessage *entry = NULL;
2553 int count;
2554
2555 if (ldapsam_search_one_group(ldap_state, filter, &result)
2556 != LDAP_SUCCESS) {
2557 return NT_STATUS_NO_SUCH_GROUP;
2558 }
2559
2560 count = ldap_count_entries(priv2ld(ldap_state), result);
2561
2562 if (count < 1) {
2563 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2564 "%s\n", filter));
2565 ldap_msgfree(result);
2566 return NT_STATUS_NO_SUCH_GROUP;
2567 }
2568
2569 if (count > 1) {
2570 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2571 "count=%d\n", filter, count));
2572 ldap_msgfree(result);
2573 return NT_STATUS_NO_SUCH_GROUP;
2574 }
2575
2576 entry = ldap_first_entry(priv2ld(ldap_state), result);
2577
2578 if (!entry) {
2579 ldap_msgfree(result);
2580 return NT_STATUS_UNSUCCESSFUL;
2581 }
2582
2583 if (!init_group_from_ldap(ldap_state, map, entry)) {
2584 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2585 "group filter %s\n", filter));
2586 ldap_msgfree(result);
2587 return NT_STATUS_NO_SUCH_GROUP;
2588 }
2589
2590 ldap_msgfree(result);
2591 return NT_STATUS_OK;
2592 }
2593
2594 /**********************************************************************
2595 *********************************************************************/
2596
2597 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2598 struct dom_sid sid)
2599 {
2600 char *filter = NULL;
2601 NTSTATUS status;
2602 fstring tmp;
2603
2604 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2605 LDAP_OBJ_GROUPMAP,
2606 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2607 sid_to_fstring(tmp, &sid)) < 0) {
2608 return NT_STATUS_NO_MEMORY;
2609 }
2610
2611 status = ldapsam_getgroup(methods, filter, map);
2612 SAFE_FREE(filter);
2613 return status;
2614 }
2615
2616 /**********************************************************************
2617 *********************************************************************/
2618
2619 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2620 gid_t gid)
2621 {
2622 char *filter = NULL;
2623 NTSTATUS status;
2624
2625 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2626 LDAP_OBJ_GROUPMAP,
2627 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2628 (unsigned long)gid) < 0) {
2629 return NT_STATUS_NO_MEMORY;
2630 }
2631
2632 status = ldapsam_getgroup(methods, filter, map);
2633 SAFE_FREE(filter);
2634 return status;
2635 }
2636
2637 /**********************************************************************
2638 *********************************************************************/
2639
2640 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2641 const char *name)
2642 {
2643 char *filter = NULL;
2644 char *escape_name = escape_ldap_string(talloc_tos(), name);
2645 NTSTATUS status;
2646
2647 if (!escape_name) {
2648 return NT_STATUS_NO_MEMORY;
2649 }
2650
2651 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2652 LDAP_OBJ_GROUPMAP,
2653 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2654 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2655 escape_name) < 0) {
2656 TALLOC_FREE(escape_name);
2657 return NT_STATUS_NO_MEMORY;
2658 }
2659
2660 TALLOC_FREE(escape_name);
2661 status = ldapsam_getgroup(methods, filter, map);
2662 SAFE_FREE(filter);
2663 return status;
2664 }
2665
2666 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2667 LDAPMessage *entry,
2668 const struct dom_sid *domain_sid,
2669 uint32_t *rid)
2670 {
2671 fstring str;
2672 struct dom_sid sid;
2673
2674 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2675 str, sizeof(str)-1)) {
2676 DEBUG(10, ("Could not find sambaSID attribute\n"));
2677 return False;
2678 }
2679
2680 if (!string_to_sid(&sid, str)) {
2681 DEBUG(10, ("Could not convert string %s to sid\n", str));
2682 return False;
2683 }
2684
2685 if (sid_compare_domain(&sid, domain_sid) != 0) {
2686 DEBUG(10, ("SID %s is not in expected domain %s\n",
2687 str, sid_string_dbg(domain_sid)));
2688 return False;
2689 }
2690
2691 if (!sid_peek_rid(&sid, rid)) {
2692 DEBUG(10, ("Could not peek into RID\n"));
2693 return False;
2694 }
2695
2696 return True;
2697 }
2698
2699 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2700 TALLOC_CTX *mem_ctx,
2701 const struct dom_sid *group,
2702 uint32_t **pp_member_rids,
2703 size_t *p_num_members)
2704 {
2705 struct ldapsam_privates *ldap_state =
2706 (struct ldapsam_privates *)methods->private_data;
2707 struct smbldap_state *conn = ldap_state->smbldap_state;
2708 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2709 const char *sid_attrs[] = { "sambaSID", NULL };
2710 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2711 LDAPMessage *result = NULL;
2712 LDAPMessage *entry;
2713 char *filter;
2714 char **values = NULL;
2715 char **memberuid;
2716 char *gidstr;
2717 int rc, count;
2718
2719 *pp_member_rids = NULL;
2720 *p_num_members = 0;
2721
2722 filter = talloc_asprintf(mem_ctx,
2723 "(&(objectClass=%s)"
2724 "(objectClass=%s)"
2725 "(sambaSID=%s))",
2726 LDAP_OBJ_POSIXGROUP,
2727 LDAP_OBJ_GROUPMAP,
2728 sid_string_talloc(mem_ctx, group));
2729 if (filter == NULL) {
2730 ret = NT_STATUS_NO_MEMORY;
2731 goto done;
2732 }
2733
2734 rc = smbldap_search(conn, lp_ldap_suffix(),
2735 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2736 &result);
2737
2738 if (rc != LDAP_SUCCESS)
2739 goto done;
2740
2741 talloc_autofree_ldapmsg(mem_ctx, result);
2742
2743 count = ldap_count_entries(conn->ldap_struct, result);
2744
2745 if (count > 1) {
2746 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2747 sid_string_dbg(group)));
2748 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2749 goto done;
2750 }
2751
2752 if (count == 0) {
2753 ret = NT_STATUS_NO_SUCH_GROUP;
2754 goto done;
2755 }
2756
2757 entry = ldap_first_entry(conn->ldap_struct, result);
2758 if (entry == NULL)
2759 goto done;
2760
2761 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2762 if (!gidstr) {
2763 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2764 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2765 goto done;
2766 }
2767
2768 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2769
2770 if ((values != NULL) && (values[0] != NULL)) {
2771
2772 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2773 if (filter == NULL) {
2774 ret = NT_STATUS_NO_MEMORY;
2775 goto done;
2776 }
2777
2778 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2779 char *escape_memberuid;
2780
2781 escape_memberuid = escape_ldap_string(talloc_tos(),
2782 *memberuid);
2783 if (escape_memberuid == NULL) {
2784 ret = NT_STATUS_NO_MEMORY;
2785 goto done;
2786 }
2787
2788 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2789 TALLOC_FREE(escape_memberuid);
2790 if (filter == NULL) {
2791 ret = NT_STATUS_NO_MEMORY;
2792 goto done;
2793 }
2794 }
2795
2796 filter = talloc_asprintf_append_buffer(filter, "))");
2797 if (filter == NULL) {
2798 ret = NT_STATUS_NO_MEMORY;
2799 goto done;
2800 }
2801
2802 rc = smbldap_search(conn, lp_ldap_suffix(),
2803 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2804 &result);
2805
2806 if (rc != LDAP_SUCCESS)
2807 goto done;
2808
2809 count = ldap_count_entries(conn->ldap_struct, result);
2810 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2811
2812 talloc_autofree_ldapmsg(mem_ctx, result);
2813
2814 for (entry = ldap_first_entry(conn->ldap_struct, result);
2815 entry != NULL;
2816 entry = ldap_next_entry(conn->ldap_struct, entry))
2817 {
2818 char *sidstr;
2819 struct dom_sid sid;
2820 uint32_t rid;
2821
2822 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2823 entry, "sambaSID",
2824 mem_ctx);
2825 if (!sidstr) {
2826 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2827 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2828 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2829 goto done;
2830 }
2831
2832 if (!string_to_sid(&sid, sidstr))
2833 goto done;
2834
2835 if (!sid_check_is_in_our_domain(&sid)) {
2836 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2837 "in our domain\n"));
2838 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2839 goto done;
2840 }
2841
2842 sid_peek_rid(&sid, &rid);
2843
2844 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2845 p_num_members)) {
2846 ret = NT_STATUS_NO_MEMORY;
2847 goto done;
2848 }
2849 }
2850 }
2851
2852 filter = talloc_asprintf(mem_ctx,
2853 "(&(objectClass=%s)"
2854 "(gidNumber=%s))",
2855 LDAP_OBJ_SAMBASAMACCOUNT,
2856 gidstr);
2857
2858 rc = smbldap_search(conn, lp_ldap_suffix(),
2859 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2860 &result);
2861
2862 if (rc != LDAP_SUCCESS)
2863 goto done;
2864
2865 talloc_autofree_ldapmsg(mem_ctx, result);
2866
2867 for (entry = ldap_first_entry(conn->ldap_struct, result);
2868 entry != NULL;
2869 entry = ldap_next_entry(conn->ldap_struct, entry))
2870 {
2871 uint32_t rid;
2872
2873 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2874 entry,
2875 get_global_sam_sid(),
2876 &rid)) {
2877 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2878 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2879 goto done;
2880 }
2881
2882 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2883 p_num_members)) {
2884 ret = NT_STATUS_NO_MEMORY;
2885 goto done;
2886 }
2887 }
2888
2889 ret = NT_STATUS_OK;
2890
2891 done:
2892
2893 if (values)
2894 ldap_value_free(values);
2895
2896 return ret;
2897 }
2898
2899 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2900 TALLOC_CTX *mem_ctx,
2901 struct samu *user,
2902 struct dom_sid **pp_sids,
2903 gid_t **pp_gids,
2904 size_t *p_num_groups)
2905 {
2906 struct ldapsam_privates *ldap_state =
2907 (struct ldapsam_privates *)methods->private_data;
2908 struct smbldap_state *conn = ldap_state->smbldap_state;
2909 char *filter;
2910 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2911 char *escape_name;
2912 int rc, count;
2913 LDAPMessage *result = NULL;
2914 LDAPMessage *entry;
2915 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2916 size_t num_sids, num_gids;
2917 char *gidstr;
2918 gid_t primary_gid = -1;
2919
2920 *pp_sids = NULL;
2921 num_sids = 0;
2922
2923 if (pdb_get_username(user) == NULL) {
2924 return NT_STATUS_INVALID_PARAMETER;
2925 }
2926
2927 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2928 if (escape_name == NULL)
2929 return NT_STATUS_NO_MEMORY;
2930
2931 if (user->unix_pw) {
2932 primary_gid = user->unix_pw->pw_gid;
2933 } else {
2934 /* retrieve the users primary gid */
2935 filter = talloc_asprintf(mem_ctx,
2936 "(&(objectClass=%s)(uid=%s))",
2937 LDAP_OBJ_SAMBASAMACCOUNT,
2938 escape_name);
2939 if (filter == NULL) {
2940 ret = NT_STATUS_NO_MEMORY;
2941 goto done;
2942 }
2943
2944 rc = smbldap_search(conn, lp_ldap_suffix(),
2945 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2946
2947 if (rc != LDAP_SUCCESS)
2948 goto done;
2949
2950 talloc_autofree_ldapmsg(mem_ctx, result);
2951
2952 count = ldap_count_entries(priv2ld(ldap_state), result);
2953
2954 switch (count) {
2955 case 0:
2956 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2957 ret = NT_STATUS_NO_SUCH_USER;
2958 goto done;
2959 case 1:
2960 entry = ldap_first_entry(priv2ld(ldap_state), result);
2961
2962 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2963 if (!gidstr) {
2964 DEBUG (1, ("Unable to find the member's gid!\n"));
2965 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2966 goto done;
2967 }
2968 primary_gid = strtoul(gidstr, NULL, 10);
2969 break;
2970 default:
2971 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2972 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2973 goto done;
2974 }
2975 }
2976
2977 filter = talloc_asprintf(mem_ctx,
2978 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2979 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2980 if (filter == NULL) {
2981 ret = NT_STATUS_NO_MEMORY;
2982 goto done;
2983 }
2984
2985 rc = smbldap_search(conn, lp_ldap_suffix(),
2986 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2987
2988 if (rc != LDAP_SUCCESS)
2989 goto done;
2990
2991 talloc_autofree_ldapmsg(mem_ctx, result);
2992
2993 num_gids = 0;
2994 *pp_gids = NULL;
2995
2996 num_sids = 0;
2997 *pp_sids = NULL;
2998
2999 /* We need to add the primary group as the first gid/sid */
3000
3001 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
3002 ret = NT_STATUS_NO_MEMORY;
3003 goto done;
3004 }
3005
3006 /* This sid will be replaced later */
3007
3008 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3009 &num_sids);
3010 if (!NT_STATUS_IS_OK(ret)) {
3011 goto done;
3012 }
3013
3014 for (entry = ldap_first_entry(conn->ldap_struct, result);
3015 entry != NULL;
3016 entry = ldap_next_entry(conn->ldap_struct, entry))
3017 {
3018 fstring str;
3019 struct dom_sid sid;
3020 gid_t gid;
3021 char *end;
3022
3023 if (!smbldap_get_single_attribute(conn->ldap_struct,
3024 entry, "sambaSID",
3025 str, sizeof(str)-1))
3026 continue;
3027
3028 if (!string_to_sid(&sid, str))
3029 goto done;
3030
3031 if (!smbldap_get_single_attribute(conn->ldap_struct,
3032 entry, "gidNumber",
3033 str, sizeof(str)-1))
3034 continue;
3035
3036 gid = strtoul(str, &end, 10);
3037
3038 if (PTR_DIFF(end, str) != strlen(str))
3039 goto done;
3040
3041 if (gid == primary_gid) {
3042 sid_copy(&(*pp_sids)[0], &sid);
3043 } else {
3044 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3045 &num_gids)) {
3046 ret = NT_STATUS_NO_MEMORY;
3047 goto done;
3048 }
3049 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3050 &num_sids);
3051 if (!NT_STATUS_IS_OK(ret)) {
3052 goto done;
3053 }
3054 }
3055 }
3056
3057 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3058 DEBUG(3, ("primary group of [%s] not found\n",
3059 pdb_get_username(user)));
3060 goto done;
3061 }
3062
3063 *p_num_groups = num_sids;
3064
3065 ret = NT_STATUS_OK;
3066
3067 done:
3068
3069 TALLOC_FREE(escape_name);
3070 return ret;
3071 }
3072
3073 /**********************************************************************
3074 * Augment a posixGroup object with a sambaGroupMapping domgroup
3075 *********************************************************************/
3076
3077 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3078 struct ldapsam_privates *ldap_state,
3079 GROUP_MAP *map)
3080 {
3081 const char *filter, *dn;
3082 LDAPMessage *msg, *entry;
3083 LDAPMod **mods;
3084 int rc;
3085
3086 filter = talloc_asprintf(mem_ctx,
3087 "(&(objectClass=%s)(gidNumber=%u))",
3088 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3089 if (filter == NULL) {
3090 return NT_STATUS_NO_MEMORY;
3091 }
3092
3093 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3094 get_attr_list(mem_ctx, groupmap_attr_list),
3095 &msg);
3096 talloc_autofree_ldapmsg(mem_ctx, msg);
3097
3098 if ((rc != LDAP_SUCCESS) ||
3099 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3100 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3101 return NT_STATUS_NO_SUCH_GROUP;
3102 }
3103
3104 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3105 if (dn == NULL) {
3106 return NT_STATUS_NO_MEMORY;
3107 }
3108
3109 mods = NULL;
3110 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3111 LDAP_OBJ_GROUPMAP);
3112 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
3113 sid_string_talloc(mem_ctx, &map->sid));
3114 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
3115 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3116 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3117 map->nt_name);
3118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3119 map->comment);
3120 talloc_autofree_ldapmod(mem_ctx, mods);
3121
3122 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3123 if (rc != LDAP_SUCCESS) {
3124 return NT_STATUS_ACCESS_DENIED;
3125 }
3126
3127 return NT_STATUS_OK;
3128 }
3129
3130 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3131 GROUP_MAP *map)
3132 {
3133 struct ldapsam_privates *ldap_state =
3134 (struct ldapsam_privates *)methods->private_data;
3135 LDAPMessage *msg = NULL;
3136 LDAPMod **mods = NULL;
3137 const char *attrs[] = { NULL };
3138 char *filter;
3139
3140 char *dn;
3141 TALLOC_CTX *mem_ctx;
3142 NTSTATUS result;
3143
3144 struct dom_sid sid;
3145
3146 int rc;
3147
3148 mem_ctx = talloc_new(NULL);
3149 if (mem_ctx == NULL) {
3150 DEBUG(0, ("talloc_new failed\n"));
3151 return NT_STATUS_NO_MEMORY;
3152 }
3153
3154 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3155 sid_string_talloc(mem_ctx, &map->sid));
3156 if (filter == NULL) {
3157 result = NT_STATUS_NO_MEMORY;
3158 goto done;
3159 }
3160
3161 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3162 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3163 talloc_autofree_ldapmsg(mem_ctx, msg);
3164
3165 if ((rc == LDAP_SUCCESS) &&
3166 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
3167
3168 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3169 "group mapping entry\n", sid_string_dbg(&map->sid)));
3170 result = NT_STATUS_GROUP_EXISTS;
3171 goto done;
3172 }
3173
3174 switch (map->sid_name_use) {
3175
3176 case SID_NAME_DOM_GRP:
3177 /* To map a domain group we need to have a posix group
3178 to attach to. */
3179 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3180 goto done;
3181 break;
3182
3183 case SID_NAME_ALIAS:
3184 if (!sid_check_is_in_our_domain(&map->sid)
3185 && !sid_check_is_in_builtin(&map->sid) )
3186 {
3187 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3188 sid_string_dbg(&map->sid)));
3189 result = NT_STATUS_INVALID_PARAMETER;
3190 goto done;
3191 }
3192 break;
3193
3194 default:
3195 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3196 sid_type_lookup(map->sid_name_use)));
3197 result = NT_STATUS_INVALID_PARAMETER;
3198 goto done;
3199 }
3200
3201 /* Domain groups have been mapped in a separate routine, we have to
3202 * create an alias now */
3203
3204 if (map->gid == -1) {
3205 DEBUG(10, ("Refusing to map gid==-1\n"));
3206 result = NT_STATUS_INVALID_PARAMETER;
3207 goto done;
3208 }
3209
3210 if (pdb_gid_to_sid(map->gid, &sid)) {
3211 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3212 "add\n", (unsigned int)map->gid, sid_string_dbg(&sid)));
3213 result = NT_STATUS_GROUP_EXISTS;
3214 goto done;
3215 }
3216
3217 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3218 * the best we can get out of LDAP. */
3219
3220 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3221 sid_string_talloc(mem_ctx, &map->sid),
3222 lp_ldap_group_suffix());
3223 if (dn == NULL) {
3224 result = NT_STATUS_NO_MEMORY;
3225 goto done;
3226 }
3227
3228 mods = NULL;
3229
3230 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3231 LDAP_OBJ_SID_ENTRY);
3232 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
3233 LDAP_OBJ_GROUPMAP);
3234 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
3235 sid_string_talloc(mem_ctx, &map->sid));
3236 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
3237 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3238 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
3239 map->nt_name);
3240 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
3241 map->comment);
3242 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
3243 talloc_asprintf(mem_ctx, "%u", (unsigned int)map->gid));
3244 talloc_autofree_ldapmod(mem_ctx, mods);
3245
3246 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3247
3248 result = (rc == LDAP_SUCCESS) ?
3249 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3250
3251 done:
3252 TALLOC_FREE(mem_ctx);
3253 return result;
3254 }
3255
3256 /**********************************************************************
3257 * Update a group mapping entry. We're quite strict about what can be changed:
3258 * Only the description and displayname may be changed. It simply does not
3259 * make any sense to change the SID, gid or the type in a mapping.
3260 *********************************************************************/
3261
3262 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3263 GROUP_MAP *map)
3264 {
3265 struct ldapsam_privates *ldap_state =
3266 (struct ldapsam_privates *)methods->private_data;
3267 int rc;
3268 const char *filter, *dn;
3269 LDAPMessage *msg = NULL;
3270 LDAPMessage *entry = NULL;
3271 LDAPMod **mods = NULL;
3272 TALLOC_CTX *mem_ctx;
3273 NTSTATUS result;
3274
3275 mem_ctx = talloc_new(NULL);
3276 if (mem_ctx == NULL) {
3277 DEBUG(0, ("talloc_new failed\n"));
3278 return NT_STATUS_NO_MEMORY;
3279 }
3280
3281 /* Make 100% sure that sid, gid and type are not changed by looking up
3282 * exactly the values we're given in LDAP. */
3283
3284 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3285 "(sambaSid=%s)(gidNumber=%u)"
3286 "(sambaGroupType=%d))",
3287 LDAP_OBJ_GROUPMAP,
3288 sid_string_talloc(mem_ctx, &map->sid),
3289 (unsigned int)map->gid, map->sid_name_use);
3290 if (filter == NULL) {
3291 result = NT_STATUS_NO_MEMORY;
3292 goto done;
3293 }
3294
3295 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3296 get_attr_list(mem_ctx, groupmap_attr_list),
3297 &msg);
3298 talloc_autofree_ldapmsg(mem_ctx, msg);
3299
3300 if ((rc != LDAP_SUCCESS) ||
3301 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
3302 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
3303 result = NT_STATUS_NO_SUCH_GROUP;
3304 goto done;
3305 }
3306
3307 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
3308
3309 if (dn == NULL) {
3310 result = NT_STATUS_NO_MEMORY;
3311 goto done;
3312 }
3313
3314 mods = NULL;
3315 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
3316 map->nt_name);
3317 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
3318 map->comment);
3319 talloc_autofree_ldapmod(mem_ctx, mods);
3320
3321 if (mods == NULL) {
3322 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3323 "nothing to do\n"));
3324 result = NT_STATUS_OK;
3325 goto done;
3326 }
3327
3328 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3329
3330 if (rc != LDAP_SUCCESS) {
3331 result = NT_STATUS_ACCESS_DENIED;
3332 goto done;
3333 }
3334
3335 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3336 "group %lu in LDAP\n", (unsigned long)map->gid));
3337
3338 result = NT_STATUS_OK;
3339
3340 done:
3341 TALLOC_FREE(mem_ctx);
3342 return result;
3343 }
3344
3345 /**********************************************************************
3346 *********************************************************************/
3347
3348 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3349 struct dom_sid sid)
3350 {
3351 struct ldapsam_privates *priv =
3352 (struct ldapsam_privates *)methods->private_data;
3353 LDAPMessage *msg, *entry;
3354 int rc;
3355 NTSTATUS result;
3356 TALLOC_CTX *mem_ctx;
3357 char *filter;
3358
3359 mem_ctx = talloc_new(NULL);
3360 if (mem_ctx == NULL) {
3361 DEBUG(0, ("talloc_new failed\n"));
3362 return NT_STATUS_NO_MEMORY;
3363 }
3364
3365 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3366 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3367 sid_string_talloc(mem_ctx, &sid));
3368 if (filter == NULL) {
3369 result = NT_STATUS_NO_MEMORY;
3370 goto done;
3371 }
3372 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3373 get_attr_list(mem_ctx, groupmap_attr_list),
3374 &msg);
3375 talloc_autofree_ldapmsg(mem_ctx, msg);
3376
3377 if ((rc != LDAP_SUCCESS) ||
3378 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3379 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3380 result = NT_STATUS_NO_SUCH_GROUP;
3381 goto done;
3382 }
3383
3384 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3385 get_attr_list(mem_ctx,
3386 groupmap_attr_list_to_delete));
3387
3388 if ((rc == LDAP_NAMING_VIOLATION) ||
3389 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3390 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3391 const char *attrs[] = { "sambaGroupType", "description",
3392 "displayName", "sambaSIDList",
3393 NULL };
3394
3395 /* Second try. Don't delete the sambaSID attribute, this is
3396 for "old" entries that are tacked on a winbind
3397 sambaIdmapEntry. */
3398
3399 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3400 LDAP_OBJ_GROUPMAP, attrs);
3401 }
3402
3403 if ((rc == LDAP_NAMING_VIOLATION) ||
3404 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3405 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3406 const char *attrs[] = { "sambaGroupType", "description",
3407 "displayName", "sambaSIDList",
3408 "gidNumber", NULL };
3409
3410 /* Third try. This is a post-3.0.21 alias (containing only
3411 * sambaSidEntry and sambaGroupMapping classes), we also have
3412 * to delete the gidNumber attribute, only the sambaSidEntry
3413 * remains */
3414
3415 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3416 LDAP_OBJ_GROUPMAP, attrs);
3417 }
3418
3419 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3420
3421 done:
3422 TALLOC_FREE(mem_ctx);
3423 return result;
3424 }
3425
3426 /**********************************************************************
3427 *********************************************************************/
3428
3429 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3430 bool update)
3431 {
3432 struct ldapsam_privates *ldap_state =
3433 (struct ldapsam_privates *)my_methods->private_data;
3434 char *filter = NULL;
3435 int rc;
3436 const char **attr_list;
3437
3438 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3439 if (!filter) {
3440 return NT_STATUS_NO_MEMORY;
3441 }
3442 attr_list = get_attr_list( NULL, groupmap_attr_list );
3443 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3444 LDAP_SCOPE_SUBTREE, filter,
3445 attr_list, 0, &ldap_state->result);
3446 TALLOC_FREE(attr_list);
3447
3448 if (rc != LDAP_SUCCESS) {
3449 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3450 ldap_err2string(rc)));
3451 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3452 lp_ldap_suffix(), filter));
3453 ldap_msgfree(ldap_state->result);
3454 ldap_state->result = NULL;
3455 TALLOC_FREE(filter);
3456 return NT_STATUS_UNSUCCESSFUL;
3457 }
3458
3459 TALLOC_FREE(filter);
3460
3461 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3462 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3463 ldap_state->result)));
3464
3465 ldap_state->entry =
3466 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3467 ldap_state->result);
3468 ldap_state->index = 0;
3469
3470 return NT_STATUS_OK;
3471 }
3472
3473 /**********************************************************************
3474 *********************************************************************/
3475
3476 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3477 {
3478 ldapsam_endsampwent(my_methods);
3479 }
3480
3481 /**********************************************************************
3482 *********************************************************************/
3483
3484 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3485 GROUP_MAP *map)
3486 {
3487 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3488 struct ldapsam_privates *ldap_state =
3489 (struct ldapsam_privates *)my_methods->private_data;
3490 bool bret = False;
3491
3492 while (!bret) {
3493 if (!ldap_state->entry)
3494 return ret;
3495
3496 ldap_state->index++;
3497 bret = init_group_from_ldap(ldap_state, map,
3498 ldap_state->entry);
3499
3500 ldap_state->entry =
3501 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3502 ldap_state->entry);
3503 }
3504
3505 return NT_STATUS_OK;
3506 }
3507
3508 /**********************************************************************
3509 *********************************************************************/
3510
3511 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3512 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3513 GROUP_MAP **pp_rmap,
3514 size_t *p_num_entries,
3515 bool unix_only)
3516 {
3517 GROUP_MAP map;
3518 size_t entries = 0;
3519
3520 *p_num_entries = 0;
3521 *pp_rmap = NULL;
3522
3523 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3524 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3525 "passdb\n"));
3526 return NT_STATUS_ACCESS_DENIED;
3527 }
3528
3529 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3530 if (sid_name_use != SID_NAME_UNKNOWN &&
3531 sid_name_use != map.sid_name_use) {
3532 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3533 "not of the requested type\n", map.nt_name));
3534 continue;
3535 }
3536 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3537 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3538 "non mapped\n", map.nt_name));
3539 continue;
3540 }
3541
3542 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3543 if (!(*pp_rmap)) {
3544 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3545 "enlarge group map!\n"));
3546 return NT_STATUS_UNSUCCESSFUL;
3547 }
3548
3549 (*pp_rmap)[entries] = map;
3550
3551 entries += 1;
3552
3553 }
3554 ldapsam_endsamgrent(methods);
3555
3556 *p_num_entries = entries;
3557
3558 return NT_STATUS_OK;
3559 }
3560
3561 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3562 const struct dom_sid *alias,
3563 const struct dom_sid *member,
3564 int modop)
3565 {
3566 struct ldapsam_privates *ldap_state =
3567 (struct ldapsam_privates *)methods->private_data;
3568 char *dn = NULL;
3569 LDAPMessage *result = NULL;
3570 LDAPMessage *entry = NULL;
3571 int count;
3572 LDAPMod **mods = NULL;
3573 int rc;
3574 enum lsa_SidType type = SID_NAME_USE_NONE;
3575 fstring tmp;
3576
3577 char *filter = NULL;
3578
3579 if (sid_check_is_in_builtin(alias)) {
3580 type = SID_NAME_ALIAS;
3581 }
3582
3583 if (sid_check_is_in_our_domain(alias)) {
3584 type = SID_NAME_ALIAS;
3585 }
3586
3587 if (type == SID_NAME_USE_NONE) {
3588 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3589 sid_string_dbg(alias)));
3590 return NT_STATUS_NO_SUCH_ALIAS;
3591 }
3592
3593 if (asprintf(&filter,
3594 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3595 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3596 type) < 0) {
3597 return NT_STATUS_NO_MEMORY;
3598 }
3599
3600 if (ldapsam_search_one_group(ldap_state, filter,
3601 &result) != LDAP_SUCCESS) {
3602 SAFE_FREE(filter);
3603 return NT_STATUS_NO_SUCH_ALIAS;
3604 }
3605
3606 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3607 result);
3608
3609 if (count < 1) {
3610 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3611 ldap_msgfree(result);
3612 SAFE_FREE(filter);
3613 return NT_STATUS_NO_SUCH_ALIAS;
3614 }
3615
3616 if (count > 1) {
3617 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3618 "filter %s: count=%d\n", filter, count));
3619 ldap_msgfree(result);
3620 SAFE_FREE(filter);
3621 return NT_STATUS_NO_SUCH_ALIAS;
3622 }
3623
3624 SAFE_FREE(filter);
3625
3626 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3627 result);
3628
3629 if (!entry) {
3630 ldap_msgfree(result);
3631 return NT_STATUS_UNSUCCESSFUL;
3632 }
3633
3634 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
3635 if (!dn) {
3636 ldap_msgfree(result);
3637 return NT_STATUS_UNSUCCESSFUL;
3638 }
3639
3640 smbldap_set_mod(&mods, modop,
3641 get_attr_key2string(groupmap_attr_list,
3642 LDAP_ATTR_SID_LIST),
3643 sid_to_fstring(tmp, member));
3644
3645 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3646
3647 ldap_mods_free(mods, True);
3648 ldap_msgfree(result);
3649 TALLOC_FREE(dn);
3650
3651 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3652 return NT_STATUS_MEMBER_IN_ALIAS;
3653 }
3654
3655 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3656 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3657 }
3658
3659 if (rc != LDAP_SUCCESS) {
3660 return NT_STATUS_UNSUCCESSFUL;
3661 }
3662
3663 return NT_STATUS_OK;
3664 }
3665
3666 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3667 const struct dom_sid *alias,
3668 const struct dom_sid *member)
3669 {
3670 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3671 }
3672
3673 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3674 const struct dom_sid *alias,
3675 const struct dom_sid *member)
3676 {
3677 return ldapsam_modify_aliasmem(methods, alias, member,
3678 LDAP_MOD_DELETE);
3679 }
3680
3681 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3682 const struct dom_sid *alias,
3683 TALLOC_CTX *mem_ctx,
3684 struct dom_sid **pp_members,
3685 size_t *p_num_members)
3686 {
3687 struct ldapsam_privates *ldap_state =
3688 (struct ldapsam_privates *)methods->private_data;
3689 LDAPMessage *result = NULL;
3690 LDAPMessage *entry = NULL;
3691 int count;
3692 char **values = NULL;
3693 int i;
3694 char *filter = NULL;
3695 size_t num_members = 0;
3696 enum lsa_SidType type = SID_NAME_USE_NONE;
3697 fstring tmp;
3698
3699 *pp_members = NULL;
3700 *p_num_members = 0;
3701
3702 if (sid_check_is_in_builtin(alias)) {
3703 type = SID_NAME_ALIAS;
3704 }
3705
3706 if (sid_check_is_in_our_domain(alias)) {
3707 type = SID_NAME_ALIAS;
3708 }
3709
3710 if (type == SID_NAME_USE_NONE) {
3711 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3712 sid_string_dbg(alias)));
3713 return NT_STATUS_NO_SUCH_ALIAS;
3714 }
3715
3716 if (asprintf(&filter,
3717 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3718 LDAP_OBJ_GROUPMAP, sid_to_fstring(tmp, alias),
3719 type) < 0) {
3720 return NT_STATUS_NO_MEMORY;
3721 }
3722
3723 if (ldapsam_search_one_group(ldap_state, filter,
3724 &result) != LDAP_SUCCESS) {
3725 SAFE_FREE(filter);
3726 return NT_STATUS_NO_SUCH_ALIAS;
3727 }
3728
3729 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3730 result);
3731
3732 if (count < 1) {
3733 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3734 ldap_msgfree(result);
3735 SAFE_FREE(filter);
3736 return NT_STATUS_NO_SUCH_ALIAS;
3737 }
3738
3739 if (count > 1) {
3740 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3741 "filter %s: count=%d\n", filter, count));
3742 ldap_msgfree(result);
3743 SAFE_FREE(filter);
3744 return NT_STATUS_NO_SUCH_ALIAS;
3745 }
3746
3747 SAFE_FREE(filter);
3748
3749 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3750 result);
3751
3752 if (!entry) {
3753 ldap_msgfree(result);
3754 return NT_STATUS_UNSUCCESSFUL;
3755 }
3756
3757 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3758 entry,
3759 get_attr_key2string(groupmap_attr_list,
3760 LDAP_ATTR_SID_LIST));
3761
3762 if (values == NULL) {
3763 ldap_msgfree(result);
3764 return NT_STATUS_OK;
3765 }
3766
3767 count = ldap_count_values(values);
3768
3769 for (i=0; i<count; i++) {
3770 struct dom_sid member;
3771 NTSTATUS status;
3772
3773 if (!string_to_sid(&member, values[i]))
3774 continue;
3775
3776 status = add_sid_to_array(mem_ctx, &member, pp_members,
3777 &num_members);
3778 if (!NT_STATUS_IS_OK(status)) {
3779 ldap_value_free(values);
3780 ldap_msgfree(result);
3781 return status;
3782 }
3783 }
3784
3785 *p_num_members = num_members;
3786 ldap_value_free(values);
3787 ldap_msgfree(result);
3788
3789 return NT_STATUS_OK;
3790 }
3791
3792 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3793 TALLOC_CTX *mem_ctx,
3794 const struct dom_sid *domain_sid,
3795 const struct dom_sid *members,
3796 size_t num_members,
3797 uint32_t **pp_alias_rids,
3798 size_t *p_num_alias_rids)
3799 {
3800 struct ldapsam_privates *ldap_state =
3801 (struct ldapsam_privates *)methods->private_data;
3802 LDAP *ldap_struct;
3803
3804 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3805
3806 LDAPMessage *result = NULL;
3807 LDAPMessage *entry = NULL;
3808 int i;
3809 int rc;
3810 char *filter;
3811 enum lsa_SidType type = SID_NAME_USE_NONE;
3812 bool is_builtin = false;
3813 bool sid_added = false;
3814
3815 *pp_alias_rids = NULL;
3816 *p_num_alias_rids = 0;
3817
3818 if (sid_check_is_builtin(domain_sid)) {
3819 is_builtin = true;
3820 type = SID_NAME_ALIAS;
3821 }
3822
3823 if (sid_check_is_domain(domain_sid)) {
3824 type = SID_NAME_ALIAS;
3825 }
3826
3827 if (type == SID_NAME_USE_NONE) {
3828 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3829 sid_string_dbg(domain_sid)));
3830 return NT_STATUS_UNSUCCESSFUL;
3831 }
3832
3833 if (num_members == 0) {
3834 return NT_STATUS_OK;
3835 }
3836
3837 filter = talloc_asprintf(mem_ctx,
3838 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3839 LDAP_OBJ_GROUPMAP, type);
3840
3841 for (i=0; i<num_members; i++)
3842 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3843 filter,
3844 sid_string_talloc(mem_ctx,
3845 &members[i]));
3846
3847 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3848
3849 if (filter == NULL) {
3850 return NT_STATUS_NO_MEMORY;
3851 }
3852
3853 if (is_builtin &&
3854 ldap_state->search_cache.filter &&
3855 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3856 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3857 result = ldap_state->search_cache.result;
3858 ldap_state->search_cache.result = NULL;
3859 } else {
3860 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3861 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3862 if (rc != LDAP_SUCCESS) {
3863 return NT_STATUS_UNSUCCESSFUL;
3864 }
3865 talloc_autofree_ldapmsg(filter, result);
3866 }
3867
3868 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3869
3870 for (entry = ldap_first_entry(ldap_struct, result);
3871 entry != NULL;
3872 entry = ldap_next_entry(ldap_struct, entry))
3873 {
3874 fstring sid_str;
3875 struct dom_sid sid;
3876 uint32_t rid;
3877
3878 if (!smbldap_get_single_attribute(ldap_struct, entry,
3879 LDAP_ATTRIBUTE_SID,
3880 sid_str,
3881 sizeof(sid_str)-1))
3882 continue;
3883
3884 if (!string_to_sid(&sid, sid_str))
3885 continue;
3886
3887 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3888 continue;
3889
3890 sid_added = true;
3891
3892 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3893 p_num_alias_rids)) {
3894 return NT_STATUS_NO_MEMORY;
3895 }
3896 }
3897
3898 if (!is_builtin && !sid_added) {
3899 TALLOC_FREE(ldap_state->search_cache.filter);
3900 /*
3901 * Note: result is a talloc child of filter because of the
3902 * talloc_autofree_ldapmsg() usage
3903 */
3904 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3905 ldap_state->search_cache.result = result;
3906 }
3907
3908 return NT_STATUS_OK;
3909 }
3910
3911 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3912 enum pdb_policy_type type,
3913 uint32_t value)
3914 {
3915 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3916 int rc;
3917 LDAPMod **mods = NULL;
3918 fstring value_string;
3919 const char *policy_attr = NULL;
3920
3921 struct ldapsam_privates *ldap_state =
3922 (struct ldapsam_privates *)methods->private_data;
3923
3924 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3925
3926 if (!ldap_state->domain_dn) {
3927 return NT_STATUS_INVALID_PARAMETER;
3928 }
3929
3930 policy_attr = get_account_policy_attr(type);
3931 if (policy_attr == NULL) {
3932 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3933 "policy\n"));
3934 return ntstatus;
3935 }
3936
3937 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3938
3939 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3940
3941 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3942 mods);
3943
3944 ldap_mods_free(mods, True);
3945
3946 if (rc != LDAP_SUCCESS) {
3947 return ntstatus;
3948 }
3949
3950 if (!cache_account_policy_set(type, value)) {
3951 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3952 "update local tdb cache\n"));
3953 return ntstatus;
3954 }
3955
3956 return NT_STATUS_OK;
3957 }
3958
3959 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3960 enum pdb_policy_type type,
3961 uint32_t value)
3962 {
3963 return ldapsam_set_account_policy_in_ldap(methods, type,
3964 value);
3965 }
3966
3967 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3968 enum pdb_policy_type type,
3969 uint32_t *value)
3970 {
3971 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3972 LDAPMessage *result = NULL;
3973 LDAPMessage *entry = NULL;
3974 int count;
3975 int rc;
3976 char **vals = NULL;
3977 char *filter;
3978 const char *policy_attr = NULL;
3979
3980 struct ldapsam_privates *ldap_state =
3981 (struct ldapsam_privates *)methods->private_data;
3982
3983 const char *attrs[2];
3984
3985 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3986
3987 if (!ldap_state->domain_dn) {
3988 return NT_STATUS_INVALID_PARAMETER;
3989 }
3990
3991 policy_attr = get_account_policy_attr(type);
3992 if (!policy_attr) {
3993 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3994 "policy index: %d\n", type));
3995 return ntstatus;
3996 }
3997
3998 attrs[0] = policy_attr;
3999 attrs[1] = NULL;
4000
4001 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
4002 if (filter == NULL) {
4003 return NT_STATUS_NO_MEMORY;
4004 }
4005 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4006 LDAP_SCOPE_BASE, filter, attrs, 0,
4007 &result);
4008 TALLOC_FREE(filter);
4009 if (rc != LDAP_SUCCESS) {
4010 return ntstatus;
4011 }
4012
4013 count = ldap_count_entries(priv2ld(ldap_state), result);
4014 if (count < 1) {
4015 goto out;
4016 }
4017
4018 entry = ldap_first_entry(priv2ld(ldap_state), result);
4019 if (entry == NULL) {
4020 goto out;
4021 }
4022
4023 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4024 if (vals == NULL) {
4025 goto out;
4026 }
4027
4028 *value = (uint32_t)atol(vals[0]);
4029
4030 ntstatus = NT_STATUS_OK;
4031
4032 out:
4033 if (vals)
4034 ldap_value_free(vals);
4035 ldap_msgfree(result);
4036
4037 return ntstatus;
4038 }
4039
4040 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4041
4042 - if user hasn't decided to use account policies inside LDAP just reuse the
4043 old tdb values
4044
4045 - if there is a valid cache entry, return that
4046 - if there is an LDAP entry, update cache and return
4047 - otherwise set to default, update cache and return
4048
4049 Guenther
4050 */
4051 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4052 enum pdb_policy_type type,
4053 uint32_t *value)
4054 {
4055 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4056
4057 if (cache_account_policy_get(type, value)) {
4058 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4059 "cache\n"));
4060 return NT_STATUS_OK;
4061 }
4062
4063 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4064 value);
4065 if (NT_STATUS_IS_OK(ntstatus)) {
4066 goto update_cache;
4067 }
4068
4069 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4070 "ldap\n"));
4071
4072 #if 0
4073 /* should we automagically migrate old tdb value here ? */
4074 if (account_policy_get(type, value))
4075 goto update_ldap;
4076
4077 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4078 "default\n", type));
4079 #endif
4080
4081 if (!account_policy_get_default(type, value)) {
4082 return ntstatus;
4083 }
4084
4085 /* update_ldap: */
4086
4087 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4088 if (!NT_STATUS_IS_OK(ntstatus)) {
4089 return ntstatus;
4090 }
4091
4092 update_cache:
4093
4094 if (!cache_account_policy_set(type, *value)) {
4095 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4096 "tdb as a cache\n"));
4097 return NT_STATUS_UNSUCCESSFUL;
4098 }
4099
4100 return NT_STATUS_OK;
4101 }
4102
4103 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4104 const struct dom_sid *domain_sid,
4105 int num_rids,
4106 uint32_t *rids,
4107 const char **names,
4108 enum lsa_SidType *attrs)
4109 {
4110 struct ldapsam_privates *ldap_state =
4111 (struct ldapsam_privates *)methods->private_data;
4112 LDAPMessage *msg = NULL;
4113 LDAPMessage *entry;
4114 char *allsids = NULL;
4115 int i, rc, num_mapped;
4116 NTSTATUS result = NT_STATUS_NO_MEMORY;
4117 TALLOC_CTX *mem_ctx;
4118 LDAP *ld;
4119 bool is_builtin;
4120
4121 mem_ctx = talloc_new(NULL);
4122 if (mem_ctx == NULL) {
4123 DEBUG(0, ("talloc_new failed\n"));
4124 goto done;
4125 }
4126
4127 if (!sid_check_is_builtin(domain_sid) &&
4128 !sid_check_is_domain(domain_sid)) {
4129 result = NT_STATUS_INVALID_PARAMETER;
4130 goto done;
4131 }
4132
4133 if (num_rids == 0) {
4134 result = NT_STATUS_NONE_MAPPED;
4135 goto done;
4136 }
4137
4138 for (i=0; i<num_rids; i++)
4139 attrs[i] = SID_NAME_UNKNOWN;
4140
4141 allsids = talloc_strdup(mem_ctx, "");
4142 if (allsids == NULL) {
4143 goto done;
4144 }
4145
4146 for (i=0; i<num_rids; i++) {
4147 struct dom_sid sid;
4148 sid_compose(&sid, domain_sid, rids[i]);
4149 allsids = talloc_asprintf_append_buffer(
4150 allsids, "(sambaSid=%s)",
4151 sid_string_talloc(mem_ctx, &sid));
4152 if (allsids == NULL) {
4153 goto done;
4154 }
4155 }
4156
4157 /* First look for users */
4158
4159 {
4160 char *filter;
4161 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4162
4163 filter = talloc_asprintf(
4164 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4165 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4166
4167 if (filter == NULL) {
4168 goto done;
4169 }
4170
4171 rc = smbldap_search(ldap_state->smbldap_state,
4172 lp_ldap_user_suffix(),
4173 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4174 &msg);
4175 talloc_autofree_ldapmsg(mem_ctx, msg);
4176 }
4177
4178 if (rc != LDAP_SUCCESS)
4179 goto done;
4180
4181 ld = ldap_state->smbldap_state->ldap_struct;
4182 num_mapped = 0;
4183
4184 for (entry = ldap_first_entry(ld, msg);
4185 entry != NULL;
4186 entry = ldap_next_entry(ld, entry)) {
4187 uint32_t rid;
4188 int rid_index;
4189 const char *name;
4190
4191 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4192 &rid)) {
4193 DEBUG(2, ("Could not find sid from ldap entry\n"));
4194 continue;
4195 }
4196
4197 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4198 names);
4199 if (name == NULL) {
4200 DEBUG(2, ("Could not retrieve uid attribute\n"));
4201 continue;
4202 }
4203
4204 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4205 if (rid == rids[rid_index])
4206 break;
4207 }
4208
4209 if (rid_index == num_rids) {
4210 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4211 continue;
4212 }
4213
4214 attrs[rid_index] = SID_NAME_USER;
4215 names[rid_index] = name;
4216 num_mapped += 1;
4217 }
4218
4219 if (num_mapped == num_rids) {
4220 /* No need to look for groups anymore -- we're done */
4221 result = NT_STATUS_OK;
4222 goto done;
4223 }
4224
4225 /* Same game for groups */
4226
4227 {
4228 char *filter;
4229 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4230 "sambaGroupType", NULL };
4231
4232 filter = talloc_asprintf(
4233 mem_ctx, "(&(objectClass=%s)(|%s))",
4234 LDAP_OBJ_GROUPMAP, allsids);
4235 if (filter == NULL) {
4236 goto done;
4237 }
4238
4239 rc = smbldap_search(ldap_state->smbldap_state,
4240 lp_ldap_suffix(),
4241 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4242 &msg);
4243 talloc_autofree_ldapmsg(mem_ctx, msg);
4244 }
4245
4246 if (rc != LDAP_SUCCESS)
4247 goto done;
4248
4249 /* ldap_struct might have changed due to a reconnect */
4250
4251 ld = ldap_state->smbldap_state->ldap_struct;
4252
4253 /* For consistency checks, we already checked we're only domain or builtin */
4254
4255 is_builtin = sid_check_is_builtin(domain_sid);
4256
4257 for (entry = ldap_first_entry(ld, msg);
4258 entry != NULL;
4259 entry = ldap_next_entry(ld, entry))
4260 {
4261 uint32_t rid;
4262 int rid_index;
4263 const char *attr;
4264 enum lsa_SidType type;
4265 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4266
4267 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4268 mem_ctx);
4269 if (attr == NULL) {
4270 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4271 dn));
4272 continue;
4273 }
4274
4275 type = (enum lsa_SidType)atol(attr);
4276
4277 /* Consistency checks */
4278 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4279 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4280 (type != SID_NAME_DOM_GRP)))) {
4281 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4282 }
4283
4284 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4285 &rid)) {
4286 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4287 continue;
4288 }
4289
4290 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4291
4292 if (attr == NULL) {
4293 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4294 dn));
4295 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4296 }
4297
4298 if (attr == NULL) {
4299 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4300 dn));
4301 continue;
4302 }
4303
4304 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4305 if (rid == rids[rid_index])
4306 break;
4307 }
4308
4309 if (rid_index == num_rids) {
4310 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4311 continue;
4312 }
4313
4314 attrs[rid_index] = type;
4315 names[rid_index] = attr;
4316 num_mapped += 1;
4317 }
4318
4319 result = NT_STATUS_NONE_MAPPED;
4320
4321 if (num_mapped > 0)
4322 result = (num_mapped == num_rids) ?
4323 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4324 done:
4325 TALLOC_FREE(mem_ctx);
4326 return result;
4327 }
4328
4329 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4330 {
4331 char *filter = NULL;
4332 char *escaped = NULL;
4333 char *result = NULL;
4334
4335 if (asprintf(&filter, "(&%s(objectclass=%s))",
4336 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4337 goto done;
4338 }
4339
4340 escaped = escape_ldap_string(talloc_tos(), username);
4341 if (escaped == NULL) goto done;
4342
4343 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4344
4345 done:
4346 SAFE_FREE(filter);
4347 TALLOC_FREE(escaped);
4348
4349 return result;
4350 }
4351
4352 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4353 {
4354 int i, num = 0;
4355 va_list ap;
4356 const char **result;
4357
4358 va_start(ap, mem_ctx);
4359 while (va_arg(ap, const char *) != NULL)
4360 num += 1;
4361 va_end(ap);
4362
4363 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
4364 return NULL;
4365 }
4366
4367 va_start(ap, mem_ctx);
4368 for (i=0; i<num; i++) {
4369 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4370 if (result[i] == NULL) {
4371 talloc_free(result);
4372 va_end(ap);
4373 return NULL;
4374 }
4375 }
4376 va_end(ap);
4377
4378 result[num] = NULL;
4379 return result;
4380 }
4381
4382 struct ldap_search_state {
4383 struct smbldap_state *connection;
4384
4385 uint32_t acct_flags;
4386 uint16_t group_type;
4387
4388 const char *base;
4389 int scope;
4390 const char *filter;
4391 const char **attrs;
4392 int attrsonly;
4393 void *pagedresults_cookie;
4394
4395 LDAPMessage *entries, *current_entry;
4396 bool (*ldap2displayentry)(struct ldap_search_state *state,
4397 TALLOC_CTX *mem_ctx,
4398 LDAP *ld, LDAPMessage *entry,
4399 struct samr_displayentry *result);
4400 };
4401
4402 static bool ldapsam_search_firstpage(struct pdb_search *search)
4403 {
4404 struct ldap_search_state *state =
4405 (struct ldap_search_state *)search->private_data;
4406 LDAP *ld;
4407 int rc = LDAP_OPERATIONS_ERROR;
4408
4409 state->entries = NULL;
4410
4411 if (state->connection->paged_results) {
4412 rc = smbldap_search_paged(state->connection, state->base,
4413 state->scope, state->filter,
4414 state->attrs, state->attrsonly,
4415 lp_ldap_page_size(), &state->entries,
4416 &state->pagedresults_cookie);
4417 }
4418
4419 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4420
4421 if (state->entries != NULL) {
4422 /* Left over from unsuccessful paged attempt */
4423 ldap_msgfree(state->entries);
4424 state->entries = NULL;
4425 }
4426
4427 rc = smbldap_search(state->connection, state->base,
4428 state->scope, state->filter, state->attrs,
4429 state->attrsonly, &state->entries);
4430
4431 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4432 return False;
4433
4434 /* Ok, the server was lying. It told us it could do paged
4435 * searches when it could not. */
4436 state->connection->paged_results = False;
4437 }
4438
4439 ld = state->connection->ldap_struct;
4440 if ( ld == NULL) {
4441 DEBUG(5, ("Don't have an LDAP connection right after a "
4442 "search\n"));
4443 return False;
4444 }
4445 state->current_entry = ldap_first_entry(ld, state->entries);
4446
4447 return True;
4448 }
4449
4450 static bool ldapsam_search_nextpage(struct pdb_search *search)
4451 {
4452 struct ldap_search_state *state =
4453 (struct ldap_search_state *)search->private_data;
4454 int rc;
4455
4456 if (!state->connection->paged_results) {
4457 /* There is no next page when there are no paged results */
4458 return False;
4459 }
4460
4461 rc = smbldap_search_paged(state->connection, state->base,
4462 state->scope, state->filter, state->attrs,
4463 state->attrsonly, lp_ldap_page_size(),
4464 &state->entries,
4465 &state->pagedresults_cookie);
4466
4467 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4468 return False;
4469
4470 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4471
4472 if (state->current_entry == NULL) {
4473 ldap_msgfree(state->entries);
4474 state->entries = NULL;
4475 return false;
4476 }
4477
4478 return True;
4479 }
4480
4481 static bool ldapsam_search_next_entry(struct pdb_search *search,
4482 struct samr_displayentry *entry)
4483 {
4484 struct ldap_search_state *state =
4485 (struct ldap_search_state *)search->private_data;
4486 bool result;
4487
4488 retry:
4489 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4490 return False;
4491
4492 if ((state->entries == NULL) &&
4493 !ldapsam_search_nextpage(search))
4494 return False;
4495
4496 if (state->current_entry == NULL) {
4497 return false;
4498 }
4499
4500 result = state->ldap2displayentry(state, search,
4501 state->connection->ldap_struct,
4502 state->current_entry, entry);
4503
4504 if (!result) {
4505 char *dn;
4506 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4507 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4508 if (dn != NULL) ldap_memfree(dn);
4509 }
4510
4511 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4512
4513 if (state->current_entry == NULL) {
4514 ldap_msgfree(state->entries);
4515 state->entries = NULL;
4516 }
4517
4518 if (!result) goto retry;
4519
4520 return True;
4521 }
4522
4523 static void ldapsam_search_end(struct pdb_search *search)
4524 {
4525 struct ldap_search_state *state =
4526 (struct ldap_search_state *)search->private_data;
4527 int rc;
4528
4529 if (state->pagedresults_cookie == NULL)
4530 return;
4531
4532 if (state->entries != NULL)
4533 ldap_msgfree(state->entries);
4534
4535 state->entries = NULL;
4536 state->current_entry = NULL;
4537
4538 if (!state->connection->paged_results)
4539 return;
4540
4541 /* Tell the LDAP server we're not interested in the rest anymore. */
4542
4543 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4544 state->filter, state->attrs,
4545 state->attrsonly, 0, &state->entries,
4546 &state->pagedresults_cookie);
4547
4548 if (rc != LDAP_SUCCESS)
4549 DEBUG(5, ("Could not end search properly\n"));
4550
4551 return;
4552 }
4553
4554 static bool ldapuser2displayentry(struct ldap_search_state *state,
4555 TALLOC_CTX *mem_ctx,
4556 LDAP *ld, LDAPMessage *entry,
4557 struct samr_displayentry *result)
4558 {
4559 char **vals;
4560 size_t converted_size;
4561 struct dom_sid sid;
4562 uint32_t acct_flags;
4563
4564 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4565 if ((vals == NULL) || (vals[0] == NULL)) {
4566 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4567 return False;
4568 }
4569 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4570 ldap_value_free(vals);
4571
4572 if ((state->acct_flags != 0) &&
4573 ((state->acct_flags & acct_flags) == 0))
4574 return False;
4575
4576 result->acct_flags = acct_flags;
4577 result->account_name = "";
4578 result->fullname = "";
4579 result->description = "";
4580
4581 vals = ldap_get_values(ld, entry, "uid");
4582 if ((vals == NULL) || (vals[0] == NULL)) {
4583 DEBUG(5, ("\"uid\" not found\n"));
4584 return False;
4585 }
4586 if (!pull_utf8_talloc(mem_ctx,
4587 CONST_DISCARD(char **, &result->account_name),
4588 vals[0], &converted_size))
4589 {
4590 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4591 strerror(errno)));
4592 }
4593
4594 ldap_value_free(vals);
4595
4596 vals = ldap_get_values(ld, entry, "displayName");
4597 if ((vals == NULL) || (vals[0] == NULL))
4598 DEBUG(8, ("\"displayName\" not found\n"));
4599 else if (!pull_utf8_talloc(mem_ctx,
4600 CONST_DISCARD(char **, &result->fullname),
4601 vals[0], &converted_size))
4602 {
4603 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4604 strerror(errno)));
4605 }
4606
4607 ldap_value_free(vals);
4608
4609 vals = ldap_get_values(ld, entry, "description");
4610 if ((vals == NULL) || (vals[0] == NULL))
4611 DEBUG(8, ("\"description\" not found\n"));
4612 else if (!pull_utf8_talloc(mem_ctx,
4613 CONST_DISCARD(char **, &result->description),
4614 vals[0], &converted_size))
4615 {
4616 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4617 strerror(errno)));
4618 }
4619
4620 ldap_value_free(vals);
4621
4622 if ((result->account_name == NULL) ||
4623 (result->fullname == NULL) ||
4624 (result->description == NULL)) {
4625 DEBUG(0, ("talloc failed\n"));
4626 return False;
4627 }
4628
4629 vals = ldap_get_values(ld, entry, "sambaSid");
4630 if ((vals == NULL) || (vals[0] == NULL)) {
4631 DEBUG(0, ("\"objectSid\" not found\n"));
4632 return False;
4633 }
4634
4635 if (!string_to_sid(&sid, vals[0])) {
4636 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4637 ldap_value_free(vals);
4638 return False;
4639 }
4640 ldap_value_free(vals);
4641
4642 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4643 DEBUG(0, ("sid %s does not belong to our domain\n",
4644 sid_string_dbg(&sid)));
4645 return False;
4646 }
4647
4648 return True;
4649 }
4650
4651
4652 static bool ldapsam_search_users(struct pdb_methods *methods,
4653 struct pdb_search *search,
4654 uint32_t acct_flags)
4655 {
4656 struct ldapsam_privates *ldap_state =
4657 (struct ldapsam_privates *)methods->private_data;
4658 struct ldap_search_state *state;
4659
4660 state = talloc(search, struct ldap_search_state);
4661 if (state == NULL) {
4662 DEBUG(0, ("talloc failed\n"));
4663 return False;
4664 }
4665
4666 state->connection = ldap_state->smbldap_state;
4667
4668 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4669 state->base = lp_ldap_user_suffix();
4670 else if ((acct_flags != 0) &&
4671 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4672 state->base = lp_ldap_machine_suffix();
4673 else
4674 state->base = lp_ldap_suffix();
4675
4676 state->acct_flags = acct_flags;
4677 state->base = talloc_strdup(search, state->base);
4678 state->scope = LDAP_SCOPE_SUBTREE;
4679 state->filter = get_ldap_filter(search, "*");
4680 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4681 "displayName", "description",
4682 "sambaAcctFlags", NULL);
4683 state->attrsonly = 0;
4684 state->pagedresults_cookie = NULL;
4685 state->entries = NULL;
4686 state->ldap2displayentry = ldapuser2displayentry;
4687
4688 if ((state->filter == NULL) || (state->attrs == NULL)) {
4689 DEBUG(0, ("talloc failed\n"));
4690 return False;
4691 }
4692
4693 search->private_data = state;
4694 search->next_entry = ldapsam_search_next_entry;
4695 search->search_end = ldapsam_search_end;
4696
4697 return ldapsam_search_firstpage(search);
4698 }
4699
4700 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4701 TALLOC_CTX *mem_ctx,
4702 LDAP *ld, LDAPMessage *entry,
4703 struct samr_displayentry *result)
4704 {
4705 char **vals;
4706 size_t converted_size;
4707 struct dom_sid sid;
4708 uint16_t group_type;
4709
4710 result->account_name = "";
4711 result->fullname = "";
4712 result->description = "";
4713
4714
4715 vals = ldap_get_values(ld, entry, "sambaGroupType");
4716 if ((vals == NULL) || (vals[0] == NULL)) {
4717 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4718 if (vals != NULL) {
4719 ldap_value_free(vals);
4720 }
4721 return False;
4722 }
4723
4724 group_type = atoi(vals[0]);
4725
4726 if ((state->group_type != 0) &&
4727 ((state->group_type != group_type))) {
4728 ldap_value_free(vals);
4729 return False;
4730 }
4731
4732 ldap_value_free(vals);
4733
4734 /* display name is the NT group name */
4735
4736 vals = ldap_get_values(ld, entry, "displayName");
4737 if ((vals == NULL) || (vals[0] == NULL)) {
4738 DEBUG(8, ("\"displayName\" not found\n"));
4739
4740 /* fallback to the 'cn' attribute */
4741 vals = ldap_get_values(ld, entry, "cn");
4742 if ((vals == NULL) || (vals[0] == NULL)) {
4743 DEBUG(5, ("\"cn\" not found\n"));
4744 return False;
4745 }
4746 if (!pull_utf8_talloc(mem_ctx,
4747 CONST_DISCARD(char **,
4748 &result->account_name),
4749 vals[0], &converted_size))
4750 {
4751 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4752 "failed: %s", strerror(errno)));
4753 }
4754 }
4755 else if (!pull_utf8_talloc(mem_ctx,
4756 CONST_DISCARD(char **,
4757 &result->account_name),
4758 vals[0], &converted_size))
4759 {
4760 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4761 strerror(errno)));
4762 }
4763
4764 ldap_value_free(vals);
4765
4766 vals = ldap_get_values(ld, entry, "description");
4767 if ((vals == NULL) || (vals[0] == NULL))
4768 DEBUG(8, ("\"description\" not found\n"));
4769 else if (!pull_utf8_talloc(mem_ctx,
4770 CONST_DISCARD(char **, &result->description),
4771 vals[0], &converted_size))
4772 {
4773 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4774 strerror(errno)));
4775 }
4776 ldap_value_free(vals);
4777
4778 if ((result->account_name == NULL) ||
4779 (result->fullname == NULL) ||
4780 (result->description == NULL)) {
4781 DEBUG(0, ("talloc failed\n"));
4782 return False;
4783 }
4784
4785 vals = ldap_get_values(ld, entry, "sambaSid");
4786 if ((vals == NULL) || (vals[0] == NULL)) {
4787 DEBUG(0, ("\"objectSid\" not found\n"));
4788 if (vals != NULL) {
4789 ldap_value_free(vals);
4790 }
4791 return False;
4792 }
4793
4794 if (!string_to_sid(&sid, vals[0])) {
4795 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4796 return False;
4797 }
4798
4799 ldap_value_free(vals);
4800
4801 switch (group_type) {
4802 case SID_NAME_DOM_GRP:
4803 case SID_NAME_ALIAS:
4804
4805 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4806 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4807 {
4808 DEBUG(0, ("%s is not in our domain\n",
4809 sid_string_dbg(&sid)));
4810 return False;
4811 }
4812 break;
4813
4814 default:
4815 DEBUG(0,("unkown group type: %d\n", group_type));
4816 return False;
4817 }
4818
4819 result->acct_flags = 0;
4820
4821 return True;
4822 }
4823
4824 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4825 struct pdb_search *search,
4826 const struct dom_sid *sid,
4827 enum lsa_SidType type)
4828 {
4829 struct ldapsam_privates *ldap_state =
4830 (struct ldapsam_privates *)methods->private_data;
4831 struct ldap_search_state *state;
4832 fstring tmp;
4833
4834 state = talloc(search, struct ldap_search_state);
4835 if (state == NULL) {
4836 DEBUG(0, ("talloc failed\n"));
4837 return False;
4838 }
4839
4840 state->connection = ldap_state->smbldap_state;
4841
4842 state->base = talloc_strdup(search, lp_ldap_suffix());
4843 state->connection = ldap_state->smbldap_state;
4844 state->scope = LDAP_SCOPE_SUBTREE;
4845 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4846 "(sambaGroupType=%d)(sambaSID=%s*))",
4847 LDAP_OBJ_GROUPMAP,
4848 type, sid_to_fstring(tmp, sid));
4849 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4850 "displayName", "description",
4851 "sambaGroupType", NULL);
4852 state->attrsonly = 0;
4853 state->pagedresults_cookie = NULL;
4854 state->entries = NULL;
4855 state->group_type = type;
4856 state->ldap2displayentry = ldapgroup2displayentry;
4857
4858 if ((state->filter == NULL) || (state->attrs == NULL)) {
4859 DEBUG(0, ("talloc failed\n"));
4860 return False;
4861 }
4862
4863 search->private_data = state;
4864 search->next_entry = ldapsam_search_next_entry;
4865 search->search_end = ldapsam_search_end;
4866
4867 return ldapsam_search_firstpage(search);
4868 }
4869
4870 static bool ldapsam_search_groups(struct pdb_methods *methods,
4871 struct pdb_search *search)
4872 {
4873 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4874 }
4875
4876 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4877 struct pdb_search *search,
4878 const struct dom_sid *sid)
4879 {
4880 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4881 }
4882
4883 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4884 {
4885 return PDB_CAP_STORE_RIDS;
4886 }
4887
4888 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4889 uint32_t *rid)
4890 {
4891 struct smbldap_state *smbldap_state = priv->smbldap_state;
4892
4893 LDAPMessage *result = NULL;
4894 LDAPMessage *entry = NULL;
4895 LDAPMod **mods = NULL;
4896 NTSTATUS status;
4897 char *value;
4898 int rc;
4899 uint32_t nextRid = 0;
4900 const char *dn;
4901
4902 TALLOC_CTX *mem_ctx;
4903
4904 mem_ctx = talloc_new(NULL);
4905 if (mem_ctx == NULL) {
4906 DEBUG(0, ("talloc_new failed\n"));
4907 return NT_STATUS_NO_MEMORY;
4908 }
4909
4910 status = smbldap_search_domain_info(smbldap_state, &result,
4911 get_global_sam_name(), False);
4912 if (!NT_STATUS_IS_OK(status)) {
4913 DEBUG(3, ("Could not get domain info: %s\n",
4914 nt_errstr(status)));
4915 goto done;
4916 }
4917
4918 talloc_autofree_ldapmsg(mem_ctx, result);
4919
4920 entry = ldap_first_entry(priv2ld(priv), result);
4921 if (entry == NULL) {
4922 DEBUG(0, ("Could not get domain info entry\n"));
4923 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4924 goto done;
4925 }
4926
4927 /* Find the largest of the three attributes "sambaNextRid",
4928 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4929 concept of differentiating between user and group rids, and will
4930 use only "sambaNextRid" in the future. But for compatibility
4931 reasons I look if others have chosen different strategies -- VL */
4932
4933 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4934 "sambaNextRid", mem_ctx);
4935 if (value != NULL) {
4936 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4937 nextRid = MAX(nextRid, tmp);
4938 }
4939
4940 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4941 "sambaNextUserRid", mem_ctx);
4942 if (value != NULL) {
4943 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4944 nextRid = MAX(nextRid, tmp);
4945 }
4946
4947 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4948 "sambaNextGroupRid", mem_ctx);
4949 if (value != NULL) {
4950 uint32_t tmp = (uint32_t)strtoul(value, NULL, 10);
4951 nextRid = MAX(nextRid, tmp);
4952 }
4953
4954 if (nextRid == 0) {
4955 nextRid = BASE_RID-1;
4956 }
4957
4958 nextRid += 1;
4959
4960 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4961 talloc_asprintf(mem_ctx, "%d", nextRid));
4962 talloc_autofree_ldapmod(mem_ctx, mods);
4963
4964 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4965 status = NT_STATUS_NO_MEMORY;
4966 goto done;
4967 }
4968
4969 rc = smbldap_modify(smbldap_state, dn, mods);
4970
4971 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4972 * please retry" */
4973
4974 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4975
4976 done:
4977 if (NT_STATUS_IS_OK(status)) {
4978 *rid = nextRid;
4979 }
4980
4981 TALLOC_FREE(mem_ctx);
4982 return status;
4983 }
4984
4985 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
4986 {
4987 int i;
4988
4989 for (i=0; i<10; i++) {
4990 NTSTATUS result = ldapsam_get_new_rid(
4991 (struct ldapsam_privates *)methods->private_data, rid);
4992 if (NT_STATUS_IS_OK(result)) {
4993 return result;
4994 }
4995
4996 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4997 return result;
4998 }
4999
5000 /* The ldap update failed (maybe a race condition), retry */
5001 }
5002
5003 /* Tried 10 times, fail. */
5004 return NT_STATUS_ACCESS_DENIED;
5005 }
5006
5007 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
5008 {
5009 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5010 return NT_STATUS_IS_OK(result) ? True : False;
5011 }
5012
5013 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5014 const struct dom_sid *sid,
5015 union unid_t *id, enum lsa_SidType *type)
5016 {
5017 struct ldapsam_privates *priv =
5018 (struct ldapsam_privates *)methods->private_data;
5019 char *filter;
5020 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5021 NULL };
5022 LDAPMessage *result = NULL;
5023 LDAPMessage *entry = NULL;
5024 bool ret = False;
5025 char *value;
5026 int rc;
5027
5028 TALLOC_CTX *mem_ctx;
5029
5030 mem_ctx = talloc_new(NULL);
5031 if (mem_ctx == NULL) {
5032 DEBUG(0, ("talloc_new failed\n"));
5033 return False;
5034 }
5035
5036 filter = talloc_asprintf(mem_ctx,
5037 "(&(sambaSid=%s)"
5038 "(|(objectClass=%s)(objectClass=%s)))",
5039 sid_string_talloc(mem_ctx, sid),
5040 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5041 if (filter == NULL) {
5042 DEBUG(5, ("talloc_asprintf failed\n"));
5043 goto done;
5044 }
5045
5046 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5047 attrs, &result);
5048 if (rc != LDAP_SUCCESS) {
5049 goto done;
5050 }
5051 talloc_autofree_ldapmsg(mem_ctx, result);
5052
5053 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5054 DEBUG(10, ("Got %d entries, expected one\n",
5055 ldap_count_entries(priv2ld(priv), result)));
5056 goto done;
5057 }
5058
5059 entry = ldap_first_entry(priv2ld(priv), result);
5060
5061 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5062 "sambaGroupType", mem_ctx);
5063
5064 if (value != NULL) {
5065 const char *gid_str;
5066 /* It's a group */
5067
5068 gid_str = smbldap_talloc_single_attribute(
5069 priv2ld(priv), entry, "gidNumber", mem_ctx);
5070 if (gid_str == NULL) {
5071 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5072 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5073 entry)));
5074 goto done;
5075 }
5076
5077 id->gid = strtoul(gid_str, NULL, 10);
5078 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
5079 store_gid_sid_cache(sid, id->gid);
5080 idmap_cache_set_sid2gid(sid, id->gid);
5081 ret = True;
5082 goto done;
5083 }
5084
5085 /* It must be a user */
5086
5087 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5088 "uidNumber", mem_ctx);
5089 if (value == NULL) {
5090 DEBUG(1, ("Could not find uidNumber in %s\n",
5091 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5092 goto done;
5093 }
5094
5095 id->uid = strtoul(value, NULL, 10);
5096 *type = SID_NAME_USER;
5097 store_uid_sid_cache(sid, id->uid);
5098 idmap_cache_set_sid2uid(sid, id->uid);
5099
5100 ret = True;
5101 done:
5102 TALLOC_FREE(mem_ctx);
5103 return ret;
5104 }
5105
5106 /**
5107 * Find the SID for a uid.
5108 * This is shortcut is only used if ldapsam:trusted is set to true.
5109 */
5110 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5111 struct dom_sid *sid)
5112 {
5113 struct ldapsam_privates *priv =
5114 (struct ldapsam_privates *)methods->private_data;
5115 char *filter;
5116 const char *attrs[] = { "sambaSID", NULL };
5117 LDAPMessage *result = NULL;
5118 LDAPMessage *entry = NULL;
5119 bool ret = false;
5120 char *user_sid_string;
5121 struct dom_sid user_sid;
5122 int rc;
5123 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5124
5125 filter = talloc_asprintf(tmp_ctx,
5126 "(&(uidNumber=%u)"
5127 "(objectClass=%s)"
5128 "(objectClass=%s))",
5129 (unsigned int)uid,
5130 LDAP_OBJ_POSIXACCOUNT,
5131 LDAP_OBJ_SAMBASAMACCOUNT);
5132 if (filter == NULL) {
5133 DEBUG(3, ("talloc_asprintf failed\n"));
5134 goto done;
5135 }
5136
5137 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5138 if (rc != LDAP_SUCCESS) {
5139 goto done;
5140 }
5141 talloc_autofree_ldapmsg(tmp_ctx, result);
5142
5143 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5144 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5145 ldap_count_entries(priv2ld(priv), result),
5146 (unsigned int)uid));
5147 goto done;
5148 }
5149
5150 entry = ldap_first_entry(priv2ld(priv), result);
5151
5152 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5153 "sambaSID", tmp_ctx);
5154 if (user_sid_string == NULL) {
5155 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5156 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5157 goto done;
5158 }
5159
5160 if (!string_to_sid(&user_sid, user_sid_string)) {
5161 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5162 user_sid_string));
5163 goto done;
5164 }
5165
5166 sid_copy(sid, &user_sid);
5167
5168 store_uid_sid_cache(sid, uid);
5169 idmap_cache_set_sid2uid(sid, uid);
5170
5171 ret = true;
5172
5173 done:
5174 TALLOC_FREE(tmp_ctx);
5175 return ret;
5176 }
5177
5178 /**
5179 * Find the SID for a gid.
5180 * This is shortcut is only used if ldapsam:trusted is set to true.
5181 */
5182 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5183 struct dom_sid *sid)
5184 {
5185 struct ldapsam_privates *priv =
5186 (struct ldapsam_privates *)methods->private_data;
5187 char *filter;
5188 const char *attrs[] = { "sambaSID", NULL };
5189 LDAPMessage *result = NULL;
5190 LDAPMessage *entry = NULL;
5191 bool ret = false;
5192 char *group_sid_string;
5193 struct dom_sid group_sid;
5194 int rc;
5195 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5196
5197 filter = talloc_asprintf(tmp_ctx,
5198 "(&(gidNumber=%u)"
5199 "(objectClass=%s))",
5200 (unsigned int)gid,
5201 LDAP_OBJ_GROUPMAP);
5202 if (filter == NULL) {
5203 DEBUG(3, ("talloc_asprintf failed\n"));
5204 goto done;
5205 }
5206
5207 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5208 if (rc != LDAP_SUCCESS) {
5209 goto done;
5210 }
5211 talloc_autofree_ldapmsg(tmp_ctx, result);
5212
5213 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5214 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5215 ldap_count_entries(priv2ld(priv), result),
5216 (unsigned int)gid));
5217 goto done;
5218 }
5219
5220 entry = ldap_first_entry(priv2ld(priv), result);
5221
5222 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5223 "sambaSID", tmp_ctx);
5224 if (group_sid_string == NULL) {
5225 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5226 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5227 goto done;
5228 }
5229
5230 if (!string_to_sid(&group_sid, group_sid_string)) {
5231 DEBUG(3, ("Error calling sid_string_talloc for sid '%s'\n",
5232 group_sid_string));
5233 goto done;
5234 }
5235
5236 sid_copy(sid, &group_sid);
5237
5238 store_gid_sid_cache(sid, gid);
5239 idmap_cache_set_sid2gid(sid, gid);
5240
5241 ret = true;
5242
5243 done:
5244 TALLOC_FREE(tmp_ctx);
5245 return ret;
5246 }
5247
5248
5249 /*
5250 * The following functions are called only if
5251 * ldapsam:trusted and ldapsam:editposix are
5252 * set to true
5253 */
5254
5255 /*
5256 * ldapsam_create_user creates a new
5257 * posixAccount and sambaSamAccount object
5258 * in the ldap users subtree
5259 *
5260 * The uid is allocated by winbindd.
5261 */
5262
5263 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5264 TALLOC_CTX *tmp_ctx, const char *name,
5265 uint32_t acb_info, uint32_t *rid)
5266 {
5267 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5268 LDAPMessage *entry = NULL;
5269 LDAPMessage *result = NULL;
5270 uint32_t num_result;
5271 bool is_machine = False;
5272 bool add_posix = False;
5273 LDAPMod **mods = NULL;
5274 struct samu *user;
5275 char *filter;
5276 char *username;
5277 char *homedir;
5278 char *gidstr;
5279 char *uidstr;
5280 char *shell;
5281 const char *dn = NULL;
5282 struct dom_sid group_sid;
5283 struct dom_sid user_sid;
5284 gid_t gid = -1;
5285 uid_t uid = -1;
5286 NTSTATUS ret;
5287 int rc;
5288
5289 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5290 acb_info & ACB_WSTRUST ||
5291 acb_info & ACB_SVRTRUST ||
5292 acb_info & ACB_DOMTRUST) {
5293 is_machine = True;
5294 }
5295
5296 username = escape_ldap_string(talloc_tos(), name);
5297 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5298 username, LDAP_OBJ_POSIXACCOUNT);
5299 TALLOC_FREE(username);
5300
5301 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5302 if (rc != LDAP_SUCCESS) {
5303 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5304 return NT_STATUS_ACCESS_DENIED;
5305 }
5306 talloc_autofree_ldapmsg(tmp_ctx, result);
5307
5308 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5309
5310 if (num_result > 1) {
5311 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5312 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5313 }
5314
5315 if (num_result == 1) {
5316 char *tmp;
5317 /* check if it is just a posix account.
5318 * or if there is a sid attached to this entry
5319 */
5320
5321 entry = ldap_first_entry(priv2ld(ldap_state), result);
5322 if (!entry) {
5323 return NT_STATUS_UNSUCCESSFUL;
5324 }
5325
5326 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5327 if (tmp) {
5328 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5329 return NT_STATUS_USER_EXISTS;
5330 }
5331
5332 /* it is just a posix account, retrieve the dn for later use */
5333 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5334 if (!dn) {
5335 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5336 return NT_STATUS_NO_MEMORY;
5337 }
5338 }
5339
5340 if (num_result == 0) {
5341 add_posix = True;
5342 }
5343
5344 /* Create the basic samu structure and generate the mods for the ldap commit */
5345 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5346 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5347 return ret;
5348 }
5349
5350 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5351
5352 user = samu_new(tmp_ctx);
5353 if (!user) {
5354 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5355 return NT_STATUS_NO_MEMORY;
5356 }
5357
5358 if (!pdb_set_username(user, name, PDB_SET)) {
5359 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5360 return NT_STATUS_UNSUCCESSFUL;
5361 }
5362 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5363 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5364 return NT_STATUS_UNSUCCESSFUL;
5365 }
5366 if (is_machine) {
5367 if (acb_info & ACB_NORMAL) {
5368 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5369 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5370 return NT_STATUS_UNSUCCESSFUL;
5371 }
5372 } else {
5373 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5374 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5375 return NT_STATUS_UNSUCCESSFUL;
5376 }
5377 }
5378 } else {
5379 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5380 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5381 return NT_STATUS_UNSUCCESSFUL;
5382 }
5383 }
5384
5385 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5386 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5387 return NT_STATUS_UNSUCCESSFUL;
5388 }
5389
5390 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
5391 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5392 return NT_STATUS_UNSUCCESSFUL;
5393 }
5394
5395 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5396 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5397 }
5398 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5399
5400 if (add_posix) {
5401 char *escape_name;
5402
5403 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5404
5405 /* retrieve the Domain Users group gid */
5406 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5407 !sid_to_gid(&group_sid, &gid)) {
5408 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5409 return NT_STATUS_INVALID_PRIMARY_GROUP;
5410 }
5411
5412 /* lets allocate a new userid for this user */
5413 if (!winbind_allocate_uid(&uid)) {
5414 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5415 return NT_STATUS_UNSUCCESSFUL;
5416 }
5417
5418
5419 if (is_machine) {
5420 /* TODO: choose a more appropriate default for machines */
5421 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
5422 shell = talloc_strdup(tmp_ctx, "/bin/false");
5423 } else {
5424 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
5425 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
5426 }
5427 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5428 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5429
5430 escape_name = escape_rdn_val_string_alloc(name);
5431 if (!escape_name) {
5432 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5433 return NT_STATUS_NO_MEMORY;
5434 }
5435
5436 if (is_machine) {
5437 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
5438 } else {
5439 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
5440 }
5441
5442 SAFE_FREE(escape_name);
5443
5444 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5445 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5446 return NT_STATUS_NO_MEMORY;
5447 }
5448
5449 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5450 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5451 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5452 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5453 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5454 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5455 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5456 }
5457
5458 talloc_autofree_ldapmod(tmp_ctx, mods);
5459
5460 if (add_posix) {
5461 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5462 } else {
5463 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5464 }
5465
5466 if (rc != LDAP_SUCCESS) {
5467 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5468 return NT_STATUS_UNSUCCESSFUL;
5469 }
5470
5471 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5472
5473 flush_pwnam_cache();
5474
5475 return NT_STATUS_OK;
5476 }
5477
5478 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5479 {
5480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5481 LDAPMessage *result = NULL;
5482 LDAPMessage *entry = NULL;
5483 int num_result;
5484 const char *dn;
5485 char *filter;
5486 int rc;
5487
5488 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5489
5490 filter = talloc_asprintf(tmp_ctx,
5491 "(&(uid=%s)"
5492 "(objectClass=%s)"
5493 "(objectClass=%s))",
5494 pdb_get_username(sam_acct),
5495 LDAP_OBJ_POSIXACCOUNT,
5496 LDAP_OBJ_SAMBASAMACCOUNT);
5497 if (filter == NULL) {
5498 return NT_STATUS_NO_MEMORY;
5499 }
5500
5501 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5502 if (rc != LDAP_SUCCESS) {
5503 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5504 return NT_STATUS_UNSUCCESSFUL;
5505 }
5506 talloc_autofree_ldapmsg(tmp_ctx, result);
5507
5508 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5509
5510 if (num_result == 0) {
5511 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5512 return NT_STATUS_NO_SUCH_USER;
5513 }
5514
5515 if (num_result > 1) {
5516 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5517 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5518 }
5519
5520 entry = ldap_first_entry(priv2ld(ldap_state), result);
5521 if (!entry) {
5522 return NT_STATUS_UNSUCCESSFUL;
5523 }
5524
5525 /* it is just a posix account, retrieve the dn for later use */
5526 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5527 if (!dn) {
5528 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5529 return NT_STATUS_NO_MEMORY;
5530 }
5531
5532 /* try to remove memberships first */
5533 {
5534 NTSTATUS status;
5535 struct dom_sid *sids = NULL;
5536 gid_t *gids = NULL;
5537 size_t num_groups = 0;
5538 int i;
5539 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5540
5541 status = ldapsam_enum_group_memberships(my_methods,
5542 tmp_ctx,
5543 sam_acct,
5544 &sids,
5545 &gids,
5546 &num_groups);
5547 if (!NT_STATUS_IS_OK(status)) {
5548 goto delete_dn;
5549 }
5550
5551 for (i=0; i < num_groups; i++) {
5552
5553 uint32_t group_rid;
5554
5555 sid_peek_rid(&sids[i], &group_rid);
5556
5557 ldapsam_del_groupmem(my_methods,
5558 tmp_ctx,
5559 group_rid,
5560 user_rid);
5561 }
5562 }
5563
5564 delete_dn:
5565
5566 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5567 if (rc != LDAP_SUCCESS) {
5568 return NT_STATUS_UNSUCCESSFUL;
5569 }
5570
5571 flush_pwnam_cache();
5572
5573 return NT_STATUS_OK;
5574 }
5575
5576 /*
5577 * ldapsam_create_group creates a new
5578 * posixGroup and sambaGroupMapping object
5579 * in the ldap groups subtree
5580 *
5581 * The gid is allocated by winbindd.
5582 */
5583
5584 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5585 TALLOC_CTX *tmp_ctx,
5586 const char *name,
5587 uint32_t *rid)
5588 {
5589 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5590 NTSTATUS ret;
5591 LDAPMessage *entry = NULL;
5592 LDAPMessage *result = NULL;
5593 uint32_t num_result;
5594 bool is_new_entry = False;
5595 LDAPMod **mods = NULL;
5596 char *filter;
5597 char *groupsidstr;
5598 char *groupname;
5599 char *grouptype;
5600 char *gidstr;
5601 const char *dn = NULL;
5602 struct dom_sid group_sid;
5603 gid_t gid = -1;
5604 int rc;
5605
5606 groupname = escape_ldap_string(talloc_tos(), name);
5607 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5608 groupname, LDAP_OBJ_POSIXGROUP);
5609 TALLOC_FREE(groupname);
5610
5611 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5612 if (rc != LDAP_SUCCESS) {
5613 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5614 return NT_STATUS_UNSUCCESSFUL;
5615 }
5616 talloc_autofree_ldapmsg(tmp_ctx, result);
5617
5618 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5619
5620 if (num_result > 1) {
5621 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5622 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5623 }
5624
5625 if (num_result == 1) {
5626 char *tmp;
5627 /* check if it is just a posix group.
5628 * or if there is a sid attached to this entry
5629 */
5630
5631 entry = ldap_first_entry(priv2ld(ldap_state), result);
5632 if (!entry) {
5633 return NT_STATUS_UNSUCCESSFUL;
5634 }
5635
5636 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5637 if (tmp) {
5638 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5639 return NT_STATUS_GROUP_EXISTS;
5640 }
5641
5642 /* it is just a posix group, retrieve the gid and the dn for later use */
5643 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5644 if (!tmp) {
5645 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5646 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5647 }
5648
5649 gid = strtoul(tmp, NULL, 10);
5650
5651 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5652 if (!dn) {
5653 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5654 return NT_STATUS_NO_MEMORY;
5655 }
5656 }
5657
5658 if (num_result == 0) {
5659 is_new_entry = true;
5660 }
5661
5662 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5663 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5664 return ret;
5665 }
5666
5667 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5668
5669 groupsidstr = talloc_strdup(tmp_ctx, sid_string_talloc(tmp_ctx,
5670 &group_sid));
5671 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5672
5673 if (!groupsidstr || !grouptype) {
5674 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5675 return NT_STATUS_NO_MEMORY;
5676 }
5677
5678 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5679 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5680 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5681 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5682
5683 if (is_new_entry) {
5684 char *escape_name;
5685
5686 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5687
5688 /* lets allocate a new groupid for this group */
5689 if (!winbind_allocate_gid(&gid)) {
5690 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5691 return NT_STATUS_UNSUCCESSFUL;
5692 }
5693
5694 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5695
5696 escape_name = escape_rdn_val_string_alloc(name);
5697 if (!escape_name) {
5698 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5699 return NT_STATUS_NO_MEMORY;
5700 }
5701
5702 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5703
5704 SAFE_FREE(escape_name);
5705
5706 if (!gidstr || !dn) {
5707 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5708 return NT_STATUS_NO_MEMORY;
5709 }
5710
5711 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5712 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5713 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5714 }
5715
5716 talloc_autofree_ldapmod(tmp_ctx, mods);
5717
5718 if (is_new_entry) {
5719 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5720 #if 0
5721 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5722 /* This call may fail with rfc2307bis schema */
5723 /* Retry adding a structural class */
5724 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5725 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5726 }
5727 #endif
5728 } else {
5729 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5730 }
5731
5732 if (rc != LDAP_SUCCESS) {
5733 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5734 return NT_STATUS_UNSUCCESSFUL;
5735 }
5736
5737 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5738
5739 return NT_STATUS_OK;
5740 }
5741
5742 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5743 {
5744 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5745 LDAPMessage *result = NULL;
5746 LDAPMessage *entry = NULL;
5747 int num_result;
5748 const char *dn;
5749 char *gidstr;
5750 char *filter;
5751 struct dom_sid group_sid;
5752 int rc;
5753
5754 /* get the group sid */
5755 sid_compose(&group_sid, get_global_sam_sid(), rid);
5756
5757 filter = talloc_asprintf(tmp_ctx,
5758 "(&(sambaSID=%s)"
5759 "(objectClass=%s)"
5760 "(objectClass=%s))",
5761 sid_string_talloc(tmp_ctx, &group_sid),
5762 LDAP_OBJ_POSIXGROUP,
5763 LDAP_OBJ_GROUPMAP);
5764 if (filter == NULL) {
5765 return NT_STATUS_NO_MEMORY;
5766 }
5767
5768 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5769 if (rc != LDAP_SUCCESS) {
5770 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5771 return NT_STATUS_UNSUCCESSFUL;
5772 }
5773 talloc_autofree_ldapmsg(tmp_ctx, result);
5774
5775 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5776
5777 if (num_result == 0) {
5778 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5779 return NT_STATUS_NO_SUCH_GROUP;
5780 }
5781
5782 if (num_result > 1) {
5783 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5784 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5785 }
5786
5787 entry = ldap_first_entry(priv2ld(ldap_state), result);
5788 if (!entry) {
5789 return NT_STATUS_UNSUCCESSFUL;
5790 }
5791
5792 /* here it is, retrieve the dn for later use */
5793 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5794 if (!dn) {
5795 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5796 return NT_STATUS_NO_MEMORY;
5797 }
5798
5799 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5800 if (!gidstr) {
5801 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5802 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5803 }
5804
5805 /* check no user have this group marked as primary group */
5806 filter = talloc_asprintf(tmp_ctx,
5807 "(&(gidNumber=%s)"
5808 "(objectClass=%s)"
5809 "(objectClass=%s))",
5810 gidstr,
5811 LDAP_OBJ_POSIXACCOUNT,
5812 LDAP_OBJ_SAMBASAMACCOUNT);
5813
5814 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5815 if (rc != LDAP_SUCCESS) {
5816 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5817 return NT_STATUS_UNSUCCESSFUL;
5818 }
5819 talloc_autofree_ldapmsg(tmp_ctx, result);
5820
5821 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5822
5823 if (num_result != 0) {
5824 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5825 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5826 }
5827
5828 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5829 if (rc != LDAP_SUCCESS) {
5830 return NT_STATUS_UNSUCCESSFUL;
5831 }
5832
5833 return NT_STATUS_OK;
5834 }
5835
5836 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5837 TALLOC_CTX *tmp_ctx,
5838 uint32_t group_rid,
5839 uint32_t member_rid,
5840 int modop)
5841 {
5842 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5843 LDAPMessage *entry = NULL;
5844 LDAPMessage *result = NULL;
5845 uint32_t num_result;
5846 LDAPMod **mods = NULL;
5847 char *filter;
5848 char *uidstr;
5849 const char *dn = NULL;
5850 struct dom_sid group_sid;
5851 struct dom_sid member_sid;
5852 int rc;
5853
5854 switch (modop) {
5855 case LDAP_MOD_ADD:
5856 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5857 break;
5858 case LDAP_MOD_DELETE:
5859 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5860 break;
5861 default:
5862 return NT_STATUS_UNSUCCESSFUL;
5863 }
5864
5865 /* get member sid */
5866 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5867
5868 /* get the group sid */
5869 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5870
5871 filter = talloc_asprintf(tmp_ctx,
5872 "(&(sambaSID=%s)"
5873 "(objectClass=%s)"
5874 "(objectClass=%s))",
5875 sid_string_talloc(tmp_ctx, &member_sid),
5876 LDAP_OBJ_POSIXACCOUNT,
5877 LDAP_OBJ_SAMBASAMACCOUNT);
5878 if (filter == NULL) {
5879 return NT_STATUS_NO_MEMORY;
5880 }
5881
5882 /* get the member uid */
5883 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5884 if (rc != LDAP_SUCCESS) {
5885 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5886 return NT_STATUS_UNSUCCESSFUL;
5887 }
5888 talloc_autofree_ldapmsg(tmp_ctx, result);
5889
5890 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5891
5892 if (num_result == 0) {
5893 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5894 return NT_STATUS_NO_SUCH_MEMBER;
5895 }
5896
5897 if (num_result > 1) {
5898 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5899 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5900 }
5901
5902 entry = ldap_first_entry(priv2ld(ldap_state), result);
5903 if (!entry) {
5904 return NT_STATUS_UNSUCCESSFUL;
5905 }
5906
5907 if (modop == LDAP_MOD_DELETE) {
5908 /* check if we are trying to remove the member from his primary group */
5909 char *gidstr;
5910 gid_t user_gid, group_gid;
5911
5912 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5913 if (!gidstr) {
5914 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5915 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5916 }
5917
5918 user_gid = strtoul(gidstr, NULL, 10);
5919
5920 if (!sid_to_gid(&group_sid, &group_gid)) {
5921 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5922 return NT_STATUS_UNSUCCESSFUL;
5923 }
5924
5925 if (user_gid == group_gid) {
5926 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
5927 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5928 }
5929 }
5930
5931 /* here it is, retrieve the uid for later use */
5932 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5933 if (!uidstr) {
5934 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5935 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5936 }
5937
5938 filter = talloc_asprintf(tmp_ctx,
5939 "(&(sambaSID=%s)"
5940 "(objectClass=%s)"
5941 "(objectClass=%s))",
5942 sid_string_talloc(tmp_ctx, &group_sid),
5943 LDAP_OBJ_POSIXGROUP,
5944 LDAP_OBJ_GROUPMAP);
5945
5946 /* get the group */
5947 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5948 if (rc != LDAP_SUCCESS) {
5949 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5950 return NT_STATUS_UNSUCCESSFUL;
5951 }
5952 talloc_autofree_ldapmsg(tmp_ctx, result);
5953
5954 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5955
5956 if (num_result == 0) {
5957 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5958 return NT_STATUS_NO_SUCH_GROUP;
5959 }
5960
5961 if (num_result > 1) {
5962 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5963 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5964 }
5965
5966 entry = ldap_first_entry(priv2ld(ldap_state), result);
5967 if (!entry) {
5968 return NT_STATUS_UNSUCCESSFUL;
5969 }
5970
5971 /* here it is, retrieve the dn for later use */
5972 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5973 if (!dn) {
5974 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5975 return NT_STATUS_NO_MEMORY;
5976 }
5977
5978 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5979
5980 talloc_autofree_ldapmod(tmp_ctx, mods);
5981
5982 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5983 if (rc != LDAP_SUCCESS) {
5984 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5985 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5986 return NT_STATUS_MEMBER_IN_GROUP;
5987 }
5988 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5989 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5990 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5991 }
5992 return NT_STATUS_UNSUCCESSFUL;
5993 }
5994
5995 return NT_STATUS_OK;
5996 }
5997
5998 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5999 TALLOC_CTX *tmp_ctx,
6000 uint32_t group_rid,
6001 uint32_t member_rid)
6002 {
6003 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6004 }
6005 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6006 TALLOC_CTX *tmp_ctx,
6007 uint32_t group_rid,
6008 uint32_t member_rid)
6009 {
6010 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6011 }
6012
6013 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6014 TALLOC_CTX *mem_ctx,
6015 struct samu *sampass)
6016 {
6017 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6018 LDAPMessage *entry = NULL;
6019 LDAPMessage *result = NULL;
6020 uint32_t num_result;
6021 LDAPMod **mods = NULL;
6022 char *filter;
6023 char *escape_username;
6024 char *gidstr;
6025 const char *dn = NULL;
6026 gid_t gid;
6027 int rc;
6028
6029 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6030
6031 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6032 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6033 return NT_STATUS_UNSUCCESSFUL;
6034 }
6035 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6036 if (!gidstr) {
6037 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6038 return NT_STATUS_NO_MEMORY;
6039 }
6040
6041 escape_username = escape_ldap_string(talloc_tos(),
6042 pdb_get_username(sampass));
6043 if (escape_username== NULL) {
6044 return NT_STATUS_NO_MEMORY;
6045 }
6046
6047 filter = talloc_asprintf(mem_ctx,
6048 "(&(uid=%s)"
6049 "(objectClass=%s)"
6050 "(objectClass=%s))",
6051 escape_username,
6052 LDAP_OBJ_POSIXACCOUNT,
6053 LDAP_OBJ_SAMBASAMACCOUNT);
6054
6055 TALLOC_FREE(escape_username);
6056
6057 if (filter == NULL) {
6058 return NT_STATUS_NO_MEMORY;
6059 }
6060
6061 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6062 if (rc != LDAP_SUCCESS) {
6063 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6064 return NT_STATUS_UNSUCCESSFUL;
6065 }
6066 talloc_autofree_ldapmsg(mem_ctx, result);
6067
6068 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6069
6070 if (num_result == 0) {
6071 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6072 return NT_STATUS_NO_SUCH_USER;
6073 }
6074
6075 if (num_result > 1) {
6076 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6077 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6078 }
6079
6080 entry = ldap_first_entry(priv2ld(ldap_state), result);
6081 if (!entry) {
6082 return NT_STATUS_UNSUCCESSFUL;
6083 }
6084
6085 /* retrieve the dn for later use */
6086 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6087 if (!dn) {
6088 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6089 return NT_STATUS_NO_MEMORY;
6090 }
6091
6092 /* remove the old one, and add the new one, this way we do not risk races */
6093 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6094
6095 if (mods == NULL) {
6096 return NT_STATUS_OK;
6097 }
6098
6099 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6100
6101 if (rc != LDAP_SUCCESS) {
6102 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6103 pdb_get_username(sampass), gidstr));
6104 return NT_STATUS_UNSUCCESSFUL;
6105 }
6106
6107 flush_pwnam_cache();
6108
6109 return NT_STATUS_OK;
6110 }
6111
6112
6113 /**********************************************************************
6114 trusted domains functions
6115 *********************************************************************/
6116
6117 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6118 const char *domain)
6119 {
6120 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6121 ldap_state->domain_dn);
6122 }
6123
6124 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6125 TALLOC_CTX *mem_ctx,
6126 const char *domain, LDAPMessage **entry)
6127 {
6128 int rc;
6129 char *filter;
6130 int scope = LDAP_SCOPE_SUBTREE;
6131 const char **attrs = NULL; /* NULL: get all attrs */
6132 int attrsonly = 0; /* 0: return values too */
6133 LDAPMessage *result = NULL;
6134 char *trusted_dn;
6135 uint32_t num_result;
6136
6137 filter = talloc_asprintf(talloc_tos(),
6138 "(&(objectClass=%s)(sambaDomainName=%s))",
6139 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6140
6141 trusted_dn = trusteddom_dn(ldap_state, domain);
6142 if (trusted_dn == NULL) {
6143 return False;
6144 }
6145 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6146 filter, attrs, attrsonly, &result);
6147
6148 if (result != NULL) {
6149 talloc_autofree_ldapmsg(mem_ctx, result);
6150 }
6151
6152 if (rc == LDAP_NO_SUCH_OBJECT) {
6153 *entry = NULL;
6154 return True;
6155 }
6156
6157 if (rc != LDAP_SUCCESS) {
6158 return False;
6159 }
6160
6161 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6162
6163 if (num_result > 1) {
6164 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6165 "%s object for domain '%s'?!\n",
6166 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6167 return False;
6168 }
6169
6170 if (num_result == 0) {
6171 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6172 "%s object for domain %s.\n",
6173 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6174 *entry = NULL;
6175 } else {
6176 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6177 }
6178
6179 return True;
6180 }
6181
6182 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6183 const char *domain,
6184 char** pwd,
6185 struct dom_sid *sid,
6186 time_t *pass_last_set_time)
6187 {
6188 struct ldapsam_privates *ldap_state =
6189 (struct ldapsam_privates *)methods->private_data;
6190 LDAPMessage *entry = NULL;
6191
6192 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6193
6194 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6195 (entry == NULL))
6196 {
6197 return False;
6198 }
6199
6200 /* password */
6201 if (pwd != NULL) {
6202 char *pwd_str;
6203 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6204 entry, "sambaClearTextPassword", talloc_tos());
6205 if (pwd_str == NULL) {
6206 return False;
6207 }
6208 /* trusteddom_pw routines do not use talloc yet... */
6209 *pwd = SMB_STRDUP(pwd_str);
6210 if (*pwd == NULL) {
6211 return False;
6212 }
6213 }
6214
6215 /* last change time */
6216 if (pass_last_set_time != NULL) {
6217 char *time_str;
6218 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6219 entry, "sambaPwdLastSet", talloc_tos());
6220 if (time_str == NULL) {
6221 return False;
6222 }
6223 *pass_last_set_time = (time_t)atol(time_str);
6224 }
6225
6226 /* domain sid */
6227 if (sid != NULL) {
6228 char *sid_str;
6229 struct dom_sid dom_sid;
6230 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6231 entry, "sambaSID",
6232 talloc_tos());
6233 if (sid_str == NULL) {
6234 return False;
6235 }
6236 if (!string_to_sid(&dom_sid, sid_str)) {
6237 return False;
6238 }
6239 sid_copy(sid, &dom_sid);
6240 }
6241
6242 return True;
6243 }
6244
6245 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6246 const char* domain,
6247 const char* pwd,
6248 const struct dom_sid *sid)
6249 {
6250 struct ldapsam_privates *ldap_state =
6251 (struct ldapsam_privates *)methods->private_data;
6252 LDAPMessage *entry = NULL;
6253 LDAPMod **mods = NULL;
6254 char *prev_pwd = NULL;
6255 char *trusted_dn = NULL;
6256 int rc;
6257
6258 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6259
6260 /*
6261 * get the current entry (if there is one) in order to put the
6262 * current password into the previous password attribute
6263 */
6264 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6265 return False;
6266 }
6267
6268 mods = NULL;
6269 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6270 LDAP_OBJ_TRUSTDOM_PASSWORD);
6271 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6272 domain);
6273 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6274 sid_string_tos(sid));
6275 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6276 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6277 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6278 "sambaClearTextPassword", pwd);
6279
6280 if (entry != NULL) {
6281 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6282 entry, "sambaClearTextPassword", talloc_tos());
6283 if (prev_pwd != NULL) {
6284 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6285 "sambaPreviousClearTextPassword",
6286 prev_pwd);
6287 }
6288 }
6289
6290 talloc_autofree_ldapmod(talloc_tos(), mods);
6291
6292 trusted_dn = trusteddom_dn(ldap_state, domain);
6293 if (trusted_dn == NULL) {
6294 return False;
6295 }
6296 if (entry == NULL) {
6297 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6298 } else {
6299 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6300 }
6301
6302 if (rc != LDAP_SUCCESS) {
6303 DEBUG(1, ("error writing trusted domain password!\n"));
6304 return False;
6305 }
6306
6307 return True;
6308 }
6309
6310 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6311 const char *domain)
6312 {
6313 int rc;
6314 struct ldapsam_privates *ldap_state =
6315 (struct ldapsam_privates *)methods->private_data;
6316 LDAPMessage *entry = NULL;
6317 const char *trusted_dn;
6318
6319 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6320 return False;
6321 }
6322
6323 if (entry == NULL) {
6324 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6325 "%s\n", domain));
6326 return True;
6327 }
6328
6329 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6330 entry);
6331 if (trusted_dn == NULL) {
6332 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6333 return False;
6334 }
6335
6336 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6337 if (rc != LDAP_SUCCESS) {
6338 return False;
6339 }
6340
6341 return True;
6342 }
6343
6344 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6345 TALLOC_CTX *mem_ctx,
6346 uint32_t *num_domains,
6347 struct trustdom_info ***domains)
6348 {
6349 int rc;
6350 struct ldapsam_privates *ldap_state =
6351 (struct ldapsam_privates *)methods->private_data;
6352 char *filter;
6353 int scope = LDAP_SCOPE_SUBTREE;
6354 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6355 int attrsonly = 0; /* 0: return values too */
6356 LDAPMessage *result = NULL;
6357 LDAPMessage *entry = NULL;
6358
6359 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6360 LDAP_OBJ_TRUSTDOM_PASSWORD);
6361
6362 rc = smbldap_search(ldap_state->smbldap_state,
6363 ldap_state->domain_dn,
6364 scope,
6365 filter,
6366 attrs,
6367 attrsonly,
6368 &result);
6369
6370 if (result != NULL) {
6371 talloc_autofree_ldapmsg(mem_ctx, result);
6372 }
6373
6374 if (rc != LDAP_SUCCESS) {
6375 return NT_STATUS_UNSUCCESSFUL;
6376 }
6377
6378 *num_domains = 0;
6379 if (!(*domains = TALLOC_ARRAY(mem_ctx, struct trustdom_info *, 1))) {
6380 DEBUG(1, ("talloc failed\n"));
6381 return NT_STATUS_NO_MEMORY;
6382 }
6383
6384 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6385 entry != NULL;
6386 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6387 {
6388 char *dom_name, *dom_sid_str;
6389 struct trustdom_info *dom_info;
6390
6391 dom_info = TALLOC_P(*domains, struct trustdom_info);
6392 if (dom_info == NULL) {
6393 DEBUG(1, ("talloc failed\n"));
6394 return NT_STATUS_NO_MEMORY;
6395 }
6396
6397 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6398 entry,
6399 "sambaDomainName",
6400 talloc_tos());
6401 if (dom_name == NULL) {
6402 DEBUG(1, ("talloc failed\n"));
6403 return NT_STATUS_NO_MEMORY;
6404 }
6405 dom_info->name = dom_name;
6406
6407 dom_sid_str = smbldap_talloc_single_attribute(
6408 priv2ld(ldap_state), entry, "sambaSID",
6409 talloc_tos());
6410 if (dom_sid_str == NULL) {
6411 DEBUG(1, ("talloc failed\n"));
6412 return NT_STATUS_NO_MEMORY;
6413 }
6414 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6415 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6416 dom_sid_str));
6417 return NT_STATUS_UNSUCCESSFUL;
6418 }
6419
6420 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6421 domains, num_domains);
6422
6423 if (*domains == NULL) {
6424 DEBUG(1, ("talloc failed\n"));
6425 return NT_STATUS_NO_MEMORY;
6426 }
6427 }
6428
6429 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6430 return NT_STATUS_OK;
6431 }
6432
6433
6434 /**********************************************************************
6435 Housekeeping
6436 *********************************************************************/
6437
6438 static void free_private_data(void **vp)
6439 {
6440 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6441
6442 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6443
6444 if ((*ldap_state)->result != NULL) {
6445 ldap_msgfree((*ldap_state)->result);
6446 (*ldap_state)->result = NULL;
6447 }
6448 if ((*ldap_state)->domain_dn != NULL) {
6449 SAFE_FREE((*ldap_state)->domain_dn);
6450 }
6451
6452 *ldap_state = NULL;
6453
6454 /* No need to free any further, as it is talloc()ed */
6455 }
6456
6457 /*********************************************************************
6458 Intitalise the parts of the pdb_methods structure that are common to
6459 all pdb_ldap modes
6460 *********************************************************************/
6461
6462 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6463 {
6464 NTSTATUS nt_status;
6465 struct ldapsam_privates *ldap_state;
6466
6467 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6468 return nt_status;
6469 }
6470
6471 (*pdb_method)->name = "ldapsam";
6472
6473 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6474 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6475 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6476 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6477 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6478 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6479
6480 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6481 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6482 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6483 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6484 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6485 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6486 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6487
6488 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6489 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6490
6491 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6492
6493 (*pdb_method)->capabilities = ldapsam_capabilities;
6494 (*pdb_method)->new_rid = ldapsam_new_rid;
6495
6496 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6497 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6498 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6499 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6500
6501 /* TODO: Setup private data and free */
6502
6503 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
6504 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6505 return NT_STATUS_NO_MEMORY;
6506 }
6507
6508 nt_status = smbldap_init(*pdb_method, pdb_get_event_context(),
6509 location, &ldap_state->smbldap_state);
6510
6511 if ( !NT_STATUS_IS_OK(nt_status) ) {
6512 return nt_status;
6513 }
6514
6515 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6516 return NT_STATUS_NO_MEMORY;
6517 }
6518
6519 (*pdb_method)->private_data = ldap_state;
6520
6521 (*pdb_method)->free_private_data = free_private_data;
6522
6523 return NT_STATUS_OK;
6524 }
6525
6526 /**********************************************************************
6527 Initialise the 'compat' mode for pdb_ldap
6528 *********************************************************************/
6529
6530 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
6531 {
6532 NTSTATUS nt_status;
6533 struct ldapsam_privates *ldap_state;
6534 char *uri = talloc_strdup( NULL, location );
6535
6536 trim_char( uri, '\"', '\"' );
6537 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
6538 if ( uri )
6539 TALLOC_FREE( uri );
6540
6541 if ( !NT_STATUS_IS_OK(nt_status) ) {
6542 return nt_status;
6543 }
6544
6545 (*pdb_method)->name = "ldapsam_compat";
6546
6547 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6548 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
6549
6550 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6551
6552 return NT_STATUS_OK;
6553 }
6554
6555 /**********************************************************************
6556 Initialise the normal mode for pdb_ldap
6557 *********************************************************************/
6558
6559 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
6560 {
6561 NTSTATUS nt_status;
6562 struct ldapsam_privates *ldap_state = NULL;
6563 uint32_t alg_rid_base;
6564 char *alg_rid_base_string = NULL;
6565 LDAPMessage *result = NULL;
6566 LDAPMessage *entry = NULL;
6567 struct dom_sid ldap_domain_sid;
6568 struct dom_sid secrets_domain_sid;
6569 char *domain_sid_string = NULL;
6570 char *dn = NULL;
6571 char *uri = talloc_strdup( NULL, location );
6572
6573 trim_char( uri, '\"', '\"' );
6574 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6575
6576 TALLOC_FREE(uri);
6577
6578 if (!NT_STATUS_IS_OK(nt_status)) {
6579 return nt_status;
6580 }
6581
6582 (*pdb_method)->name = "ldapsam";
6583
6584 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6585 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6586 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6587 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6588 (*pdb_method)->search_users = ldapsam_search_users;
6589 (*pdb_method)->search_groups = ldapsam_search_groups;
6590 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6591
6592 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6593 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6594 (*pdb_method)->enum_group_memberships =
6595 ldapsam_enum_group_memberships;
6596 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6597 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6598 (*pdb_method)->uid_to_sid = ldapsam_uid_to_sid;
6599 (*pdb_method)->gid_to_sid = ldapsam_gid_to_sid;
6600
6601 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6602 (*pdb_method)->create_user = ldapsam_create_user;
6603 (*pdb_method)->delete_user = ldapsam_delete_user;
6604 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6605 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6606 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6607 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6608 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6609 }
6610 }
6611
6612 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6613 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6614
6615 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6616
6617 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6618 &result,
6619 ldap_state->domain_name, True);
6620
6621 if ( !NT_STATUS_IS_OK(nt_status) ) {
6622 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
6623 "info, nor add one to the domain\n"));
6624 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
6625 "will be unable to allocate new users/groups, "
6626 "and will risk BDCs having inconsistant SIDs\n"));
6627 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
6628 return NT_STATUS_OK;
6629 }
6630
6631 /* Given that the above might fail, everything below this must be
6632 * optional */
6633
6634 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
6635 result);
6636 if (!entry) {
6637 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6638 "entry\n"));
6639 ldap_msgfree(result);
6640 return NT_STATUS_UNSUCCESSFUL;
6641 }
6642
6643 dn = smbldap_talloc_dn(talloc_tos(), ldap_state->smbldap_state->ldap_struct, entry);
6644 if (!dn) {
6645 ldap_msgfree(result);
6646 return NT_STATUS_UNSUCCESSFUL;
6647 }
6648
6649 ldap_state->domain_dn = smb_xstrdup(dn);
6650 TALLOC_FREE(dn);
6651
6652 domain_sid_string = smbldap_talloc_single_attribute(
6653 ldap_state->smbldap_state->ldap_struct,
6654 entry,
6655 get_userattr_key2string(ldap_state->schema_ver,
6656 LDAP_ATTR_USER_SID),
6657 talloc_tos());
6658
6659 if (domain_sid_string) {
6660 bool found_sid;
6661 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6662 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6663 "read as a valid SID\n", domain_sid_string));
6664 ldap_msgfree(result);
6665 TALLOC_FREE(domain_sid_string);
6666 return NT_STATUS_INVALID_PARAMETER;
6667 }
6668 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
6669 &secrets_domain_sid);
6670 if (!found_sid || !sid_equal(&secrets_domain_sid,
6671 &ldap_domain_sid)) {
6672 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6673 "%s based on pdb_ldap results %s -> %s\n",
6674 ldap_state->domain_name,
6675 sid_string_dbg(&secrets_domain_sid),
6676 sid_string_dbg(&ldap_domain_sid)));
6677
6678 /* reset secrets.tdb sid */
6679 secrets_store_domain_sid(ldap_state->domain_name,
6680 &ldap_domain_sid);
6681 DEBUG(1, ("New global sam SID: %s\n",
6682 sid_string_dbg(get_global_sam_sid())));
6683 }
6684 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6685 TALLOC_FREE(domain_sid_string);
6686 }
6687
6688 alg_rid_base_string = smbldap_talloc_single_attribute(
6689 ldap_state->smbldap_state->ldap_struct,
6690 entry,
6691 get_attr_key2string( dominfo_attr_list,
6692 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6693 talloc_tos());
6694 if (alg_rid_base_string) {
6695 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6696 if (alg_rid_base != algorithmic_rid_base()) {
6697 DEBUG(0, ("The value of 'algorithmic RID base' has "
6698 "changed since the LDAP\n"
6699 "database was initialised. Aborting. \n"));
6700 ldap_msgfree(result);
6701 TALLOC_FREE(alg_rid_base_string);
6702 return NT_STATUS_UNSUCCESSFUL;
6703 }
6704 TALLOC_FREE(alg_rid_base_string);
6705 }
6706 ldap_msgfree(result);
6707
6708 return NT_STATUS_OK;
6709 }
6710
6711 NTSTATUS pdb_ldap_init(void)
6712 {
6713 NTSTATUS nt_status;
6714 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
6715 return nt_status;
6716
6717 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
6718 return nt_status;
6719
6720 /* Let pdb_nds register backends */
6721 pdb_nds_init();
6722
6723 return NT_STATUS_OK;
6724 }
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