?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
ctdb-server: Remove duplicate logic
[samba4-gss.git] / source3 / passdb / pdb_ldap.c
blobed5c3e9a495e24f3087f6eb4b3fa347b4560b2fe
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program. If not, see <http://www.gnu.org/licenses/>.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47 #include "passdb.h"
48 #include "../libcli/auth/libcli_auth.h"
49 #include "secrets.h"
50 #include "idmap_cache.h"
51 #include "../libcli/security/security.h"
52 #include "../lib/util/util_pw.h"
53 #include "lib/winbind_util.h"
54 #include "librpc/gen_ndr/idmap.h"
55 #include "lib/param/loadparm.h"
56 #include "lib/util_sid_passdb.h"
57 #include "lib/util/smb_strtox.h"
58 #include "lib/util/string_wrappers.h"
59 #include "source3/lib/substitute.h"
60
61 #undef DBGC_CLASS
62 #define DBGC_CLASS DBGC_PASSDB
63
64 #include <lber.h>
65 #include <ldap.h>
66
67
68 #include "smbldap.h"
69 #include "passdb/pdb_ldap.h"
70 #include "passdb/pdb_nds.h"
71 #include "passdb/pdb_ldap_util.h"
72 #include "passdb/pdb_ldap_schema.h"
73
74 /**********************************************************************
75 Simple helper function to make stuff better readable
76 **********************************************************************/
77
78 LDAP *priv2ld(struct ldapsam_privates *priv)
79 {
80 return smbldap_get_ldap(priv->smbldap_state);
81 }
82
83 /**********************************************************************
84 Get the attribute name given a user schema version.
85 **********************************************************************/
86
87 static const char* get_userattr_key2string( int schema_ver, int key )
88 {
89 switch ( schema_ver ) {
90 case SCHEMAVER_SAMBASAMACCOUNT:
91 return get_attr_key2string( attrib_map_v30, key );
92
93 default:
94 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
95 break;
96 }
97 return NULL;
98 }
99
100 /**********************************************************************
101 Return the list of attribute names given a user schema version.
102 **********************************************************************/
103
104 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
105 {
106 switch ( schema_ver ) {
107 case SCHEMAVER_SAMBASAMACCOUNT:
108 return get_attr_list( mem_ctx, attrib_map_v30 );
109 default:
110 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
111 break;
112 }
113
114 return NULL;
115 }
116
117 /**************************************************************************
118 Return the list of attribute names to delete given a user schema version.
119 **************************************************************************/
120
121 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
122 int schema_ver )
123 {
124 switch ( schema_ver ) {
125 case SCHEMAVER_SAMBASAMACCOUNT:
126 return get_attr_list( mem_ctx,
127 attrib_map_to_delete_v30 );
128 default:
129 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
130 break;
131 }
132
133 return NULL;
134 }
135
136
137 /*******************************************************************
138 Generate the LDAP search filter for the objectclass based on the
139 version of the schema we are using.
140 ******************************************************************/
141
142 static const char* get_objclass_filter( int schema_ver )
143 {
144 fstring objclass_filter;
145 char *result;
146
147 switch( schema_ver ) {
148 case SCHEMAVER_SAMBASAMACCOUNT:
149 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
150 break;
151 default:
152 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
153 objclass_filter[0] = '\0';
154 break;
155 }
156
157 result = talloc_strdup(talloc_tos(), objclass_filter);
158 SMB_ASSERT(result != NULL);
159 return result;
160 }
161
162 /*****************************************************************
163 Scan a sequence number off OpenLDAP's syncrepl contextCSN
164 ******************************************************************/
165
166 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
167 {
168 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
169 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
170 LDAPMessage *msg = NULL;
171 LDAPMessage *entry = NULL;
172 TALLOC_CTX *mem_ctx;
173 char **values = NULL;
174 int rc, num_result, num_values, rid;
175 char *suffix = NULL;
176 char *tok;
177 const char *p;
178 const char **attrs;
179
180 /* Unfortunately there is no proper way to detect syncrepl-support in
181 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
182 * but do not show up in the root-DSE yet. Neither we can query the
183 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
184 * objectclass. Currently we require lp_ldap_suffix() to show up as
185 * namingContext. - Guenther
186 */
187
188 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
189 return ntstatus;
190 }
191
192 if (!seq_num) {
193 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
194 return ntstatus;
195 }
196
197 if (!smbldap_has_naming_context(
198 smbldap_get_ldap(ldap_state->smbldap_state),
199 lp_ldap_suffix())) {
200 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
201 "as top-level namingContext\n", lp_ldap_suffix()));
202 return ntstatus;
203 }
204
205 mem_ctx = talloc_init("ldapsam_get_seq_num");
206
207 if (mem_ctx == NULL)
208 return NT_STATUS_NO_MEMORY;
209
210 if ((attrs = talloc_array(mem_ctx, const char *, 2)) == NULL) {
211 ntstatus = NT_STATUS_NO_MEMORY;
212 goto done;
213 }
214
215 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
216 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
217 if (rid > 0) {
218
219 /* consumer syncreplCookie: */
220 /* csn=20050126161620Z#0000001#00#00000 */
221 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
222 attrs[1] = NULL;
223 suffix = talloc_asprintf(mem_ctx,
224 "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
225 if (!suffix) {
226 ntstatus = NT_STATUS_NO_MEMORY;
227 goto done;
228 }
229 } else {
230
231 /* provider contextCSN */
232 /* 20050126161620Z#000009#00#000000 */
233 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
234 attrs[1] = NULL;
235 suffix = talloc_asprintf(mem_ctx,
236 "cn=ldapsync,%s", lp_ldap_suffix());
237
238 if (!suffix) {
239 ntstatus = NT_STATUS_NO_MEMORY;
240 goto done;
241 }
242 }
243
244 rc = smbldap_search(ldap_state->smbldap_state, suffix,
245 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
246
247 if (rc != LDAP_SUCCESS) {
248 goto done;
249 }
250
251 num_result = ldap_count_entries(
252 smbldap_get_ldap(ldap_state->smbldap_state), msg);
253 if (num_result != 1) {
254 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
255 goto done;
256 }
257
258 entry = ldap_first_entry(
259 smbldap_get_ldap(ldap_state->smbldap_state), msg);
260 if (entry == NULL) {
261 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
262 goto done;
263 }
264
265 values = ldap_get_values(
266 smbldap_get_ldap(ldap_state->smbldap_state), entry, attrs[0]);
267 if (values == NULL) {
268 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
269 goto done;
270 }
271
272 num_values = ldap_count_values(values);
273 if (num_values == 0) {
274 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
275 goto done;
276 }
277
278 p = values[0];
279 if (!next_token_talloc(mem_ctx, &p, &tok, "#")) {
280 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
281 goto done;
282 }
283
284 p = tok;
285 if (!strncmp(p, "csn=", strlen("csn=")))
286 p += strlen("csn=");
287
288 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
289
290 *seq_num = generalized_to_unix_time(p);
291
292 /* very basic sanity check */
293 if (*seq_num <= 0) {
294 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
295 (int)*seq_num));
296 goto done;
297 }
298
299 ntstatus = NT_STATUS_OK;
300
301 done:
302 if (values != NULL)
303 ldap_value_free(values);
304 if (msg != NULL)
305 ldap_msgfree(msg);
306 if (mem_ctx)
307 talloc_destroy(mem_ctx);
308
309 return ntstatus;
310 }
311
312 /*******************************************************************
313 Run the search by name.
314 ******************************************************************/
315
316 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
317 const char *user,
318 LDAPMessage ** result,
319 const char **attr)
320 {
321 char *filter = NULL;
322 char *escape_user = escape_ldap_string(talloc_tos(), user);
323 int ret = -1;
324
325 if (!escape_user) {
326 return LDAP_NO_MEMORY;
327 }
328
329 /*
330 * in the filter expression, replace %u with the real name
331 * so in ldap filter, %u MUST exist :-)
332 */
333 filter = talloc_asprintf(talloc_tos(), "(&%s%s)", "(uid=%u)",
334 get_objclass_filter(ldap_state->schema_ver));
335 if (!filter) {
336 TALLOC_FREE(escape_user);
337 return LDAP_NO_MEMORY;
338 }
339 /*
340 * have to use this here because $ is filtered out
341 * in string_sub
342 */
343
344 filter = talloc_all_string_sub(talloc_tos(),
345 filter, "%u", escape_user);
346 TALLOC_FREE(escape_user);
347 if (!filter) {
348 return LDAP_NO_MEMORY;
349 }
350
351 ret = smbldap_search_suffix(ldap_state->smbldap_state,
352 filter, attr, result);
353 TALLOC_FREE(filter);
354 return ret;
355 }
356
357 /*******************************************************************
358 Run the search by SID.
359 ******************************************************************/
360
361 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
362 const struct dom_sid *sid, LDAPMessage ** result,
363 const char **attr)
364 {
365 char *filter = NULL;
366 int rc;
367 struct dom_sid_buf sid_string;
368
369 filter = talloc_asprintf(talloc_tos(), "(&(%s=%s)%s)",
370 get_userattr_key2string(ldap_state->schema_ver,
371 LDAP_ATTR_USER_SID),
372 dom_sid_str_buf(sid, &sid_string),
373 get_objclass_filter(ldap_state->schema_ver));
374 if (!filter) {
375 return LDAP_NO_MEMORY;
376 }
377
378 rc = smbldap_search_suffix(ldap_state->smbldap_state,
379 filter, attr, result);
380
381 TALLOC_FREE(filter);
382 return rc;
383 }
384
385 /*******************************************************************
386 Delete complete object or objectclass and attrs from
387 object found in search_result depending on lp_ldap_delete_dn
388 ******************************************************************/
389
390 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
391 TALLOC_CTX *mem_ctx,
392 LDAPMessage *entry,
393 const char *objectclass,
394 const char **attrs)
395 {
396 LDAPMod **mods = NULL;
397 char *name;
398 const char *dn;
399 BerElement *ptr = NULL;
400
401 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
402 if (dn == NULL) {
403 return LDAP_NO_MEMORY;
404 }
405
406 if (lp_ldap_delete_dn()) {
407 return smbldap_delete(priv->smbldap_state, dn);
408 }
409
410 /* Ok, delete only the SAM attributes */
411
412 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
413 name != NULL;
414 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
415 const char **attrib;
416
417 /* We are only allowed to delete the attributes that
418 really exist. */
419
420 for (attrib = attrs; *attrib != NULL; attrib++) {
421 if (strequal(*attrib, name)) {
422 DEBUG(10, ("ldapsam_delete_entry: deleting "
423 "attribute %s\n", name));
424 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
425 NULL);
426 }
427 }
428 ldap_memfree(name);
429 }
430
431 if (ptr != NULL) {
432 ber_free(ptr, 0);
433 }
434
435 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
436 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
437
438 return smbldap_modify(priv->smbldap_state, dn, mods);
439 }
440
441 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
442 {
443 char *temp;
444 struct tm tm = {};
445
446 temp = smbldap_talloc_single_attribute(
447 smbldap_get_ldap(ldap_state->smbldap_state), entry,
448 get_userattr_key2string(ldap_state->schema_ver,
449 LDAP_ATTR_MOD_TIMESTAMP),
450 talloc_tos());
451 if (!temp) {
452 return (time_t) 0;
453 }
454
455 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
456 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
457 (char*)temp));
458 TALLOC_FREE(temp);
459 return (time_t) 0;
460 }
461 TALLOC_FREE(temp);
462 tzset();
463 return timegm(&tm);
464 }
465
466 /**********************************************************************
467 Initialize struct samu from an LDAP query.
468 (Based on init_sam_from_buffer in pdb_tdb.c)
469 *********************************************************************/
470
471 static bool init_sam_from_ldap(struct ldapsam_privates *ldap_state,
472 struct samu * sampass,
473 LDAPMessage * entry)
474 {
475 time_t logon_time,
476 logoff_time,
477 kickoff_time,
478 pass_last_set_time,
479 pass_can_change_time,
480 ldap_entry_time,
481 bad_password_time;
482 char *username = NULL,
483 *domain = NULL,
484 *nt_username = NULL,
485 *fullname = NULL,
486 *homedir = NULL,
487 *dir_drive = NULL,
488 *logon_script = NULL,
489 *profile_path = NULL,
490 *acct_desc = NULL,
491 *workstations = NULL,
492 *munged_dial = NULL;
493 uint32_t user_rid;
494 uint8_t smblmpwd[LM_HASH_LEN],
495 smbntpwd[NT_HASH_LEN];
496 bool use_samba_attrs = True;
497 uint16_t logon_divs;
498 uint16_t bad_password_count = 0,
499 logon_count = 0;
500 uint32_t hours_len;
501 uint8_t hours[MAX_HOURS_LEN];
502 char *temp = NULL;
503 struct login_cache cache_entry;
504 uint32_t pwHistLen;
505 bool expand_explicit = lp_passdb_expand_explicit();
506 bool ret = false;
507 TALLOC_CTX *ctx = talloc_init("init_sam_from_ldap");
508
509 if (!ctx) {
510 return false;
511 }
512 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
513 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
514 goto fn_exit;
515 }
516
517 if (priv2ld(ldap_state) == NULL) {
518 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
519 "ldap_struct is NULL!\n"));
520 goto fn_exit;
521 }
522
523 if (!(username = smbldap_talloc_first_attribute(priv2ld(ldap_state),
524 entry,
525 "uid",
526 ctx))) {
527 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
528 "this user!\n"));
529 goto fn_exit;
530 }
531
532 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
533
534 nt_username = talloc_strdup(ctx, username);
535 if (!nt_username) {
536 goto fn_exit;
537 }
538
539 domain = talloc_strdup(ctx, ldap_state->domain_name);
540 if (!domain) {
541 goto fn_exit;
542 }
543
544 pdb_set_username(sampass, username, PDB_SET);
545
546 pdb_set_domain(sampass, domain, PDB_DEFAULT);
547 pdb_set_nt_username(sampass, nt_username, PDB_SET);
548
549 /* deal with different attributes between the schema first */
550
551 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
552 if ((temp = smbldap_talloc_single_attribute(
553 smbldap_get_ldap(ldap_state->smbldap_state),
554 entry,
555 get_userattr_key2string(ldap_state->schema_ver,
556 LDAP_ATTR_USER_SID),
557 ctx))!=NULL) {
558 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
559 }
560 } else {
561 if ((temp = smbldap_talloc_single_attribute(
562 smbldap_get_ldap(ldap_state->smbldap_state),
563 entry,
564 get_userattr_key2string(ldap_state->schema_ver,
565 LDAP_ATTR_USER_RID),
566 ctx))!=NULL) {
567 user_rid = (uint32_t)atol(temp);
568 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
569 }
570 }
571
572 if (IS_SAM_DEFAULT(sampass, PDB_USERSID)) {
573 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
574 get_userattr_key2string(ldap_state->schema_ver,
575 LDAP_ATTR_USER_SID),
576 get_userattr_key2string(ldap_state->schema_ver,
577 LDAP_ATTR_USER_RID),
578 username));
579 return False;
580 }
581
582 temp = smbldap_talloc_single_attribute(
583 smbldap_get_ldap(ldap_state->smbldap_state),
584 entry,
585 get_userattr_key2string(ldap_state->schema_ver,
586 LDAP_ATTR_PWD_LAST_SET),
587 ctx);
588 if (temp) {
589 pass_last_set_time = (time_t) atol(temp);
590 pdb_set_pass_last_set_time(sampass,
591 pass_last_set_time, PDB_SET);
592 }
593
594 temp = smbldap_talloc_single_attribute(
595 smbldap_get_ldap(ldap_state->smbldap_state),
596 entry,
597 get_userattr_key2string(ldap_state->schema_ver,
598 LDAP_ATTR_LOGON_TIME),
599 ctx);
600 if (temp) {
601 logon_time = (time_t) atol(temp);
602 pdb_set_logon_time(sampass, logon_time, PDB_SET);
603 }
604
605 temp = smbldap_talloc_single_attribute(
606 smbldap_get_ldap(ldap_state->smbldap_state),
607 entry,
608 get_userattr_key2string(ldap_state->schema_ver,
609 LDAP_ATTR_LOGOFF_TIME),
610 ctx);
611 if (temp) {
612 logoff_time = (time_t) atol(temp);
613 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
614 }
615
616 temp = smbldap_talloc_single_attribute(
617 smbldap_get_ldap(ldap_state->smbldap_state),
618 entry,
619 get_userattr_key2string(ldap_state->schema_ver,
620 LDAP_ATTR_KICKOFF_TIME),
621 ctx);
622 if (temp) {
623 kickoff_time = (time_t) atol(temp);
624 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
625 }
626
627 temp = smbldap_talloc_single_attribute(
628 smbldap_get_ldap(ldap_state->smbldap_state),
629 entry,
630 get_userattr_key2string(ldap_state->schema_ver,
631 LDAP_ATTR_PWD_CAN_CHANGE),
632 ctx);
633 if (temp) {
634 pass_can_change_time = (time_t) atol(temp);
635 pdb_set_pass_can_change_time(sampass,
636 pass_can_change_time, PDB_SET);
637 }
638
639 /* recommend that 'gecos' and 'displayName' should refer to the same
640 * attribute OID. userFullName depreciated, only used by Samba
641 * primary rules of LDAP: don't make a new attribute when one is already defined
642 * that fits your needs; using cn then displayName rather than 'userFullName'
643 */
644
645 fullname = smbldap_talloc_single_attribute(
646 smbldap_get_ldap(ldap_state->smbldap_state),
647 entry,
648 get_userattr_key2string(ldap_state->schema_ver,
649 LDAP_ATTR_DISPLAY_NAME),
650 ctx);
651 if (fullname) {
652 pdb_set_fullname(sampass, fullname, PDB_SET);
653 } else {
654 fullname = smbldap_talloc_single_attribute(
655 smbldap_get_ldap(ldap_state->smbldap_state),
656 entry,
657 get_userattr_key2string(ldap_state->schema_ver,
658 LDAP_ATTR_CN),
659 ctx);
660 if (fullname) {
661 pdb_set_fullname(sampass, fullname, PDB_SET);
662 }
663 }
664
665 dir_drive = smbldap_talloc_single_attribute(
666 smbldap_get_ldap(ldap_state->smbldap_state),
667 entry,
668 get_userattr_key2string(ldap_state->schema_ver,
669 LDAP_ATTR_HOME_DRIVE),
670 ctx);
671 if (dir_drive) {
672 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
673 } else {
674 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
675 }
676
677 homedir = smbldap_talloc_single_attribute(
678 smbldap_get_ldap(ldap_state->smbldap_state),
679 entry,
680 get_userattr_key2string(ldap_state->schema_ver,
681 LDAP_ATTR_HOME_PATH),
682 ctx);
683 if (homedir) {
684 if (expand_explicit) {
685 homedir = talloc_sub_basic(ctx,
686 username,
687 domain,
688 homedir);
689 if (!homedir) {
690 goto fn_exit;
691 }
692 }
693 pdb_set_homedir(sampass, homedir, PDB_SET);
694 } else {
695 pdb_set_homedir(sampass,
696 talloc_sub_basic(ctx, username, domain,
697 lp_logon_home()),
698 PDB_DEFAULT);
699 }
700
701 logon_script = smbldap_talloc_single_attribute(
702 smbldap_get_ldap(ldap_state->smbldap_state),
703 entry,
704 get_userattr_key2string(ldap_state->schema_ver,
705 LDAP_ATTR_LOGON_SCRIPT),
706 ctx);
707 if (logon_script) {
708 if (expand_explicit) {
709 logon_script = talloc_sub_basic(ctx,
710 username,
711 domain,
712 logon_script);
713 if (!logon_script) {
714 goto fn_exit;
715 }
716 }
717 pdb_set_logon_script(sampass, logon_script, PDB_SET);
718 } else {
719 pdb_set_logon_script(sampass,
720 talloc_sub_basic(ctx, username, domain,
721 lp_logon_script()),
722 PDB_DEFAULT );
723 }
724
725 profile_path = smbldap_talloc_single_attribute(
726 smbldap_get_ldap(ldap_state->smbldap_state),
727 entry,
728 get_userattr_key2string(ldap_state->schema_ver,
729 LDAP_ATTR_PROFILE_PATH),
730 ctx);
731 if (profile_path) {
732 if (expand_explicit) {
733 profile_path = talloc_sub_basic(ctx,
734 username,
735 domain,
736 profile_path);
737 if (!profile_path) {
738 goto fn_exit;
739 }
740 }
741 pdb_set_profile_path(sampass, profile_path, PDB_SET);
742 } else {
743 pdb_set_profile_path(sampass,
744 talloc_sub_basic(ctx, username, domain,
745 lp_logon_path()),
746 PDB_DEFAULT );
747 }
748
749 acct_desc = smbldap_talloc_single_attribute(
750 smbldap_get_ldap(ldap_state->smbldap_state),
751 entry,
752 get_userattr_key2string(ldap_state->schema_ver,
753 LDAP_ATTR_DESC),
754 ctx);
755 if (acct_desc) {
756 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
757 }
758
759 workstations = smbldap_talloc_single_attribute(
760 smbldap_get_ldap(ldap_state->smbldap_state),
761 entry,
762 get_userattr_key2string(ldap_state->schema_ver,
763 LDAP_ATTR_USER_WKS),
764 ctx);
765 if (workstations) {
766 pdb_set_workstations(sampass, workstations, PDB_SET);
767 }
768
769 munged_dial = smbldap_talloc_single_attribute(
770 smbldap_get_ldap(ldap_state->smbldap_state),
771 entry,
772 get_userattr_key2string(ldap_state->schema_ver,
773 LDAP_ATTR_MUNGED_DIAL),
774 ctx);
775 if (munged_dial) {
776 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
777 }
778
779 /* FIXME: hours stuff should be cleaner */
780
781 logon_divs = 168;
782 hours_len = 21;
783 memset(hours, 0xff, hours_len);
784
785 if (ldap_state->is_nds_ldap) {
786 char *user_dn;
787 size_t pwd_len;
788 char clear_text_pw[512];
789
790 /* Make call to Novell eDirectory ldap extension to get clear text password.
791 NOTE: This will only work if we have an SSL connection to eDirectory. */
792 user_dn = smbldap_talloc_dn(
793 ctx, smbldap_get_ldap(ldap_state->smbldap_state),
794 entry);
795 if (user_dn != NULL) {
796 DEBUG(3, ("init_sam_from_ldap: smbldap_talloc_dn(ctx, %s) returned '%s'\n", username, user_dn));
797
798 pwd_len = sizeof(clear_text_pw);
799 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
800 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
801 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
802 TALLOC_FREE(user_dn);
803 return False;
804 }
805 ZERO_STRUCT(smblmpwd);
806 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
807 TALLOC_FREE(user_dn);
808 return False;
809 }
810 ZERO_STRUCT(smbntpwd);
811 use_samba_attrs = False;
812 }
813
814 TALLOC_FREE(user_dn);
815
816 } else {
817 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
818 }
819 }
820
821 if (use_samba_attrs) {
822 temp = smbldap_talloc_single_attribute(
823 smbldap_get_ldap(ldap_state->smbldap_state),
824 entry,
825 get_userattr_key2string(ldap_state->schema_ver,
826 LDAP_ATTR_LMPW),
827 ctx);
828 if (temp) {
829 pdb_gethexpwd(temp, smblmpwd);
830 memset((char *)temp, '\0', strlen(temp)+1);
831 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
832 goto fn_exit;
833 }
834 ZERO_STRUCT(smblmpwd);
835 }
836
837 temp = smbldap_talloc_single_attribute(
838 smbldap_get_ldap(ldap_state->smbldap_state),
839 entry,
840 get_userattr_key2string(ldap_state->schema_ver,
841 LDAP_ATTR_NTPW),
842 ctx);
843 if (temp) {
844 pdb_gethexpwd(temp, smbntpwd);
845 memset((char *)temp, '\0', strlen(temp)+1);
846 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
847 goto fn_exit;
848 }
849 ZERO_STRUCT(smbntpwd);
850 }
851 }
852
853 pwHistLen = 0;
854
855 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
856 if (pwHistLen > 0){
857 uint8_t *pwhist = NULL;
858 int i;
859 char *history_string = talloc_array(ctx, char,
860 MAX_PW_HISTORY_LEN*64);
861
862 if (!history_string) {
863 goto fn_exit;
864 }
865
866 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
867
868 pwhist = talloc_zero_array(ctx, uint8_t,
869 pwHistLen * PW_HISTORY_ENTRY_LEN);
870 if (pwhist == NULL) {
871 DEBUG(0, ("init_sam_from_ldap: talloc failed!\n"));
872 goto fn_exit;
873 }
874
875 if (smbldap_get_single_attribute(
876 smbldap_get_ldap(ldap_state->smbldap_state),
877 entry,
878 get_userattr_key2string(ldap_state->schema_ver,
879 LDAP_ATTR_PWD_HISTORY),
880 history_string,
881 MAX_PW_HISTORY_LEN*64)) {
882 bool hex_failed = false;
883 for (i = 0; i < pwHistLen; i++){
884 /* Get the 16 byte salt. */
885 if (!pdb_gethexpwd(&history_string[i*64],
886 &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
887 hex_failed = true;
888 break;
889 }
890 /* Get the 16 byte MD5 hash of salt+passwd. */
891 if (!pdb_gethexpwd(&history_string[(i*64)+32],
892 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+
893 PW_HISTORY_SALT_LEN])) {
894 hex_failed = True;
895 break;
896 }
897 }
898 if (hex_failed) {
899 DEBUG(2,("init_sam_from_ldap: Failed to get password history for user %s\n",
900 username));
901 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
902 }
903 }
904 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
905 goto fn_exit;
906 }
907 }
908
909 temp = smbldap_talloc_single_attribute(
910 smbldap_get_ldap(ldap_state->smbldap_state),
911 entry,
912 get_userattr_key2string(ldap_state->schema_ver,
913 LDAP_ATTR_ACB_INFO),
914 ctx);
915 if (temp) {
916 uint32_t acct_ctrl = 0;
917 acct_ctrl = pdb_decode_acct_ctrl(temp);
918
919 if (acct_ctrl == 0) {
920 acct_ctrl |= ACB_NORMAL;
921 }
922
923 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
924 }
925
926 pdb_set_hours_len(sampass, hours_len, PDB_SET);
927 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
928
929 temp = smbldap_talloc_single_attribute(
930 smbldap_get_ldap(ldap_state->smbldap_state),
931 entry,
932 get_userattr_key2string(ldap_state->schema_ver,
933 LDAP_ATTR_BAD_PASSWORD_COUNT),
934 ctx);
935 if (temp) {
936 bad_password_count = (uint32_t) atol(temp);
937 pdb_set_bad_password_count(sampass,
938 bad_password_count, PDB_SET);
939 }
940
941 temp = smbldap_talloc_single_attribute(
942 smbldap_get_ldap(ldap_state->smbldap_state),
943 entry,
944 get_userattr_key2string(ldap_state->schema_ver,
945 LDAP_ATTR_BAD_PASSWORD_TIME),
946 ctx);
947 if (temp) {
948 bad_password_time = (time_t) atol(temp);
949 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
950 }
951
952
953 temp = smbldap_talloc_single_attribute(
954 smbldap_get_ldap(ldap_state->smbldap_state),
955 entry,
956 get_userattr_key2string(ldap_state->schema_ver,
957 LDAP_ATTR_LOGON_COUNT),
958 ctx);
959 if (temp) {
960 logon_count = (uint32_t) atol(temp);
961 pdb_set_logon_count(sampass, logon_count, PDB_SET);
962 }
963
964 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
965
966 temp = smbldap_talloc_single_attribute(
967 smbldap_get_ldap(ldap_state->smbldap_state),
968 entry,
969 get_userattr_key2string(ldap_state->schema_ver,
970 LDAP_ATTR_LOGON_HOURS),
971 ctx);
972 if (temp) {
973 pdb_gethexhours(temp, hours);
974 memset((char *)temp, '\0', strlen(temp) +1);
975 pdb_set_hours(sampass, hours, hours_len, PDB_SET);
976 ZERO_STRUCT(hours);
977 }
978
979 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
980 struct passwd unix_pw;
981 bool have_uid = false;
982 bool have_gid = false;
983 struct dom_sid mapped_gsid;
984 const struct dom_sid *primary_gsid;
985 struct unixid id;
986 int error = 0;
987
988 ZERO_STRUCT(unix_pw);
989
990 unix_pw.pw_name = username;
991 unix_pw.pw_passwd = discard_const_p(char, "x");
992
993 temp = smbldap_talloc_single_attribute(
994 priv2ld(ldap_state),
995 entry,
996 "uidNumber",
997 ctx);
998 if (temp) {
999 /* We've got a uid, feed the cache */
1000 unix_pw.pw_uid = smb_strtoul(temp,
1001 NULL,
1002 10,
1003 &error,
1004 SMB_STR_STANDARD);
1005 if (error != 0) {
1006 DBG_ERR("Failed to convert UID\n");
1007 goto fn_exit;
1008 }
1009 have_uid = true;
1010 }
1011 temp = smbldap_talloc_single_attribute(
1012 priv2ld(ldap_state),
1013 entry,
1014 "gidNumber",
1015 ctx);
1016 if (temp) {
1017 /* We've got a uid, feed the cache */
1018 unix_pw.pw_gid = smb_strtoul(temp,
1019 NULL,
1020 10,
1021 &error,
1022 SMB_STR_STANDARD);
1023 if (error != 0) {
1024 DBG_ERR("Failed to convert GID\n");
1025 goto fn_exit;
1026 }
1027 have_gid = true;
1028 }
1029 unix_pw.pw_gecos = smbldap_talloc_single_attribute(
1030 priv2ld(ldap_state),
1031 entry,
1032 "gecos",
1033 ctx);
1034 if (unix_pw.pw_gecos == NULL) {
1035 unix_pw.pw_gecos = fullname;
1036 }
1037 unix_pw.pw_dir = smbldap_talloc_single_attribute(
1038 priv2ld(ldap_state),
1039 entry,
1040 "homeDirectory",
1041 ctx);
1042 if (unix_pw.pw_dir == NULL) {
1043 unix_pw.pw_dir = discard_const_p(char, "");
1044 }
1045 unix_pw.pw_shell = smbldap_talloc_single_attribute(
1046 priv2ld(ldap_state),
1047 entry,
1048 "loginShell",
1049 ctx);
1050 if (unix_pw.pw_shell == NULL) {
1051 unix_pw.pw_shell = discard_const_p(char, "");
1052 }
1053
1054 if (have_uid && have_gid) {
1055 sampass->unix_pw = tcopy_passwd(sampass, &unix_pw);
1056 } else {
1057 sampass->unix_pw = Get_Pwnam_alloc(sampass, unix_pw.pw_name);
1058 }
1059
1060 if (sampass->unix_pw == NULL) {
1061 DEBUG(0,("init_sam_from_ldap: Failed to find Unix account for %s\n",
1062 pdb_get_username(sampass)));
1063 goto fn_exit;
1064 }
1065
1066 id.id = sampass->unix_pw->pw_uid;
1067 id.type = ID_TYPE_UID;
1068
1069 idmap_cache_set_sid2unixid(pdb_get_user_sid(sampass), &id);
1070
1071 gid_to_sid(&mapped_gsid, sampass->unix_pw->pw_gid);
1072 primary_gsid = pdb_get_group_sid(sampass);
1073 if (primary_gsid && dom_sid_equal(primary_gsid, &mapped_gsid)) {
1074 id.id = sampass->unix_pw->pw_gid;
1075 id.type = ID_TYPE_GID;
1076
1077 idmap_cache_set_sid2unixid(primary_gsid, &id);
1078 }
1079 }
1080
1081 /* check the timestamp of the cache vs ldap entry */
1082 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
1083 entry))) {
1084 ret = true;
1085 goto fn_exit;
1086 }
1087
1088 /* see if we have newer updates */
1089 if (!login_cache_read(sampass, &cache_entry)) {
1090 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
1091 (unsigned int)pdb_get_bad_password_count(sampass),
1092 (unsigned int)pdb_get_bad_password_time(sampass)));
1093 ret = true;
1094 goto fn_exit;
1095 }
1096
1097 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
1098 (unsigned int)ldap_entry_time,
1099 (unsigned int)cache_entry.entry_timestamp,
1100 (unsigned int)cache_entry.bad_password_time));
1101
1102 if (ldap_entry_time > cache_entry.entry_timestamp) {
1103 /* cache is older than directory , so
1104 we need to delete the entry but allow the
1105 fields to be written out */
1106 login_cache_delentry(sampass);
1107 } else {
1108 /* read cache in */
1109 pdb_set_acct_ctrl(sampass,
1110 pdb_get_acct_ctrl(sampass) |
1111 (cache_entry.acct_ctrl & ACB_AUTOLOCK),
1112 PDB_SET);
1113 pdb_set_bad_password_count(sampass,
1114 cache_entry.bad_password_count,
1115 PDB_SET);
1116 pdb_set_bad_password_time(sampass,
1117 cache_entry.bad_password_time,
1118 PDB_SET);
1119 }
1120
1121 ret = true;
1122
1123 fn_exit:
1124
1125 TALLOC_FREE(ctx);
1126 return ret;
1127 }
1128
1129 /**********************************************************************
1130 Initialize the ldap db from a struct samu. Called on update.
1131 (Based on init_buffer_from_sam in pdb_tdb.c)
1132 *********************************************************************/
1133
1134 static bool init_ldap_from_sam (struct ldapsam_privates *ldap_state,
1135 LDAPMessage *existing,
1136 LDAPMod *** mods, struct samu * sampass,
1137 bool (*need_update)(const struct samu *,
1138 enum pdb_elements))
1139 {
1140 char *temp = NULL;
1141
1142 if (mods == NULL || sampass == NULL) {
1143 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
1144 return False;
1145 }
1146
1147 *mods = NULL;
1148
1149 /*
1150 * took out adding "objectclass: sambaAccount"
1151 * do this on a per-mod basis
1152 */
1153 if (need_update(sampass, PDB_USERNAME)) {
1154 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1155 existing, mods,
1156 "uid", pdb_get_username(sampass));
1157 if (ldap_state->is_nds_ldap) {
1158 smbldap_make_mod(
1159 smbldap_get_ldap(ldap_state->smbldap_state),
1160 existing, mods,
1161 "cn", pdb_get_username(sampass));
1162 smbldap_make_mod(
1163 smbldap_get_ldap(ldap_state->smbldap_state),
1164 existing, mods,
1165 "sn", pdb_get_username(sampass));
1166 }
1167 }
1168
1169 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
1170
1171 /* only update the RID if we actually need to */
1172 if (need_update(sampass, PDB_USERSID)) {
1173 struct dom_sid_buf sid_str;
1174 const struct dom_sid *user_sid = pdb_get_user_sid(sampass);
1175
1176 switch ( ldap_state->schema_ver ) {
1177 case SCHEMAVER_SAMBASAMACCOUNT:
1178 smbldap_make_mod(
1179 smbldap_get_ldap(
1180 ldap_state->smbldap_state),
1181 existing, mods,
1182 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1183 dom_sid_str_buf(user_sid, &sid_str));
1184 break;
1185
1186 default:
1187 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1188 break;
1189 }
1190 }
1191
1192 /* we don't need to store the primary group RID - so leaving it
1193 'free' to hang off the unix primary group makes life easier */
1194
1195 if (need_update(sampass, PDB_GROUPSID)) {
1196 struct dom_sid_buf sid_str;
1197 const struct dom_sid *group_sid = pdb_get_group_sid(sampass);
1198
1199 switch ( ldap_state->schema_ver ) {
1200 case SCHEMAVER_SAMBASAMACCOUNT:
1201 smbldap_make_mod(
1202 smbldap_get_ldap(
1203 ldap_state->smbldap_state),
1204 existing, mods,
1205 get_userattr_key2string(ldap_state->schema_ver,
1206 LDAP_ATTR_PRIMARY_GROUP_SID),
1207 dom_sid_str_buf(group_sid, &sid_str));
1208 break;
1209
1210 default:
1211 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1212 break;
1213 }
1214
1215 }
1216
1217 /* displayName, cn, and gecos should all be the same
1218 * most easily accomplished by giving them the same OID
1219 * gecos isn't set here b/c it should be handled by the
1220 * add-user script
1221 * We change displayName only and fall back to cn if
1222 * it does not exist.
1223 */
1224
1225 if (need_update(sampass, PDB_FULLNAME))
1226 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1227 existing, mods,
1228 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1229 pdb_get_fullname(sampass));
1230
1231 if (need_update(sampass, PDB_ACCTDESC))
1232 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1233 existing, mods,
1234 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1235 pdb_get_acct_desc(sampass));
1236
1237 if (need_update(sampass, PDB_WORKSTATIONS))
1238 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1239 existing, mods,
1240 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1241 pdb_get_workstations(sampass));
1242
1243 if (need_update(sampass, PDB_MUNGEDDIAL))
1244 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1245 existing, mods,
1246 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1247 pdb_get_munged_dial(sampass));
1248
1249 if (need_update(sampass, PDB_SMBHOME))
1250 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1251 existing, mods,
1252 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1253 pdb_get_homedir(sampass));
1254
1255 if (need_update(sampass, PDB_DRIVE))
1256 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1257 existing, mods,
1258 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1259 pdb_get_dir_drive(sampass));
1260
1261 if (need_update(sampass, PDB_LOGONSCRIPT))
1262 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1263 existing, mods,
1264 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1265 pdb_get_logon_script(sampass));
1266
1267 if (need_update(sampass, PDB_PROFILE))
1268 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1269 existing, mods,
1270 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1271 pdb_get_profile_path(sampass));
1272
1273 if (asprintf(&temp, "%li", (long int)pdb_get_logon_time(sampass)) < 0) {
1274 return false;
1275 }
1276 if (need_update(sampass, PDB_LOGONTIME))
1277 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1278 existing, mods,
1279 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1280 SAFE_FREE(temp);
1281
1282 if (asprintf(&temp, "%li", (long int)pdb_get_logoff_time(sampass)) < 0) {
1283 return false;
1284 }
1285 if (need_update(sampass, PDB_LOGOFFTIME))
1286 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1287 existing, mods,
1288 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1289 SAFE_FREE(temp);
1290
1291 if (asprintf(&temp, "%li", (long int)pdb_get_kickoff_time(sampass)) < 0) {
1292 return false;
1293 }
1294 if (need_update(sampass, PDB_KICKOFFTIME))
1295 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1296 existing, mods,
1297 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1298 SAFE_FREE(temp);
1299
1300 if (asprintf(&temp, "%li", (long int)pdb_get_pass_can_change_time_noncalc(sampass)) < 0) {
1301 return false;
1302 }
1303 if (need_update(sampass, PDB_CANCHANGETIME))
1304 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state),
1305 existing, mods,
1306 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1307 SAFE_FREE(temp);
1308
1309 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1310 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1311
1312 if (need_update(sampass, PDB_LMPASSWD)) {
1313 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1314 if (lm_pw) {
1315 char pwstr[34];
1316 pdb_sethexpwd(pwstr, lm_pw,
1317 pdb_get_acct_ctrl(sampass));
1318 smbldap_make_mod(
1319 smbldap_get_ldap(
1320 ldap_state->smbldap_state),
1321 existing, mods,
1322 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1323 pwstr);
1324 } else {
1325 smbldap_make_mod(
1326 smbldap_get_ldap(
1327 ldap_state->smbldap_state),
1328 existing, mods,
1329 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1330 NULL);
1331 }
1332 }
1333 if (need_update(sampass, PDB_NTPASSWD)) {
1334 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1335 if (nt_pw) {
1336 char pwstr[34];
1337 pdb_sethexpwd(pwstr, nt_pw,
1338 pdb_get_acct_ctrl(sampass));
1339 smbldap_make_mod(
1340 smbldap_get_ldap(
1341 ldap_state->smbldap_state),
1342 existing, mods,
1343 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1344 pwstr);
1345 } else {
1346 smbldap_make_mod(
1347 smbldap_get_ldap(
1348 ldap_state->smbldap_state),
1349 existing, mods,
1350 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1351 NULL);
1352 }
1353 }
1354
1355 if (need_update(sampass, PDB_PWHISTORY)) {
1356 char *pwstr = NULL;
1357 uint32_t pwHistLen = 0;
1358 pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1359
1360 pwstr = SMB_MALLOC_ARRAY(char, 1024);
1361 if (!pwstr) {
1362 return false;
1363 }
1364 if (pwHistLen == 0) {
1365 /* Remove any password history from the LDAP store. */
1366 memset(pwstr, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1367 pwstr[64] = '\0';
1368 } else {
1369 int i;
1370 uint32_t currHistLen = 0;
1371 const uint8_t *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1372 if (pwhist != NULL) {
1373 /* We can only store (1024-1/64 password history entries. */
1374 pwHistLen = MIN(pwHistLen, ((1024-1)/64));
1375 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1376 /* Store the salt. */
1377 pdb_sethexpwd(&pwstr[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1378 /* Followed by the md5 hash of salt + md4 hash */
1379 pdb_sethexpwd(&pwstr[(i*64)+32],
1380 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1381 DEBUG(100, ("pwstr=%s\n", pwstr));
1382 }
1383 }
1384 }
1385 smbldap_make_mod(
1386 smbldap_get_ldap(ldap_state->smbldap_state),
1387 existing, mods,
1388 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1389 pwstr);
1390 SAFE_FREE(pwstr);
1391 }
1392
1393 if (need_update(sampass, PDB_PASSLASTSET)) {
1394 if (asprintf(&temp, "%li",
1395 (long int)pdb_get_pass_last_set_time(sampass)) < 0) {
1396 return false;
1397 }
1398 smbldap_make_mod(
1399 smbldap_get_ldap(ldap_state->smbldap_state),
1400 existing, mods,
1401 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1402 temp);
1403 SAFE_FREE(temp);
1404 }
1405 }
1406
1407 if (need_update(sampass, PDB_HOURS)) {
1408 const uint8_t *hours = pdb_get_hours(sampass);
1409 if (hours) {
1410 char hourstr[44];
1411 pdb_sethexhours(hourstr, hours);
1412 smbldap_make_mod(
1413 smbldap_get_ldap(ldap_state->smbldap_state),
1414 existing,
1415 mods,
1416 get_userattr_key2string(ldap_state->schema_ver,
1417 LDAP_ATTR_LOGON_HOURS),
1418 hourstr);
1419 }
1420 }
1421
1422 if (need_update(sampass, PDB_ACCTCTRL))
1423 smbldap_make_mod(
1424 smbldap_get_ldap(ldap_state->smbldap_state),
1425 existing, mods,
1426 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1427 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1428
1429 /* password lockout cache:
1430 - If we are now autolocking or clearing, we write to ldap
1431 - If we are clearing, we delete the cache entry
1432 - If the count is > 0, we update the cache
1433
1434 This even means when autolocking, we cache, just in case the
1435 update doesn't work, and we have to cache the autolock flag */
1436
1437 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1438 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1439 uint16_t badcount = pdb_get_bad_password_count(sampass);
1440 time_t badtime = pdb_get_bad_password_time(sampass);
1441 uint32_t pol;
1442 pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &pol);
1443
1444 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1445 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1446
1447 if ((badcount >= pol) || (badcount == 0)) {
1448 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1449 (unsigned int)badcount, (unsigned int)badtime));
1450 if (asprintf(&temp, "%li", (long)badcount) < 0) {
1451 return false;
1452 }
1453 smbldap_make_mod(
1454 smbldap_get_ldap(ldap_state->smbldap_state),
1455 existing, mods,
1456 get_userattr_key2string(
1457 ldap_state->schema_ver,
1458 LDAP_ATTR_BAD_PASSWORD_COUNT),
1459 temp);
1460 SAFE_FREE(temp);
1461
1462 if (asprintf(&temp, "%li", (long int)badtime) < 0) {
1463 return false;
1464 }
1465 smbldap_make_mod(
1466 smbldap_get_ldap(ldap_state->smbldap_state),
1467 existing, mods,
1468 get_userattr_key2string(
1469 ldap_state->schema_ver,
1470 LDAP_ATTR_BAD_PASSWORD_TIME),
1471 temp);
1472 SAFE_FREE(temp);
1473 }
1474 if (badcount == 0) {
1475 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1476 login_cache_delentry(sampass);
1477 } else {
1478 struct login_cache cache_entry;
1479
1480 cache_entry.entry_timestamp = time(NULL);
1481 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1482 cache_entry.bad_password_count = badcount;
1483 cache_entry.bad_password_time = badtime;
1484
1485 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1486 login_cache_write(sampass, &cache_entry);
1487 }
1488 }
1489
1490 return True;
1491 }
1492
1493 /**********************************************************************
1494 End enumeration of the LDAP password list.
1495 *********************************************************************/
1496
1497 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1498 {
1499 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1500 if (ldap_state->result) {
1501 ldap_msgfree(ldap_state->result);
1502 ldap_state->result = NULL;
1503 }
1504 }
1505
1506 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1507 const char *new_attr)
1508 {
1509 int i;
1510
1511 if (new_attr == NULL) {
1512 return;
1513 }
1514
1515 for (i=0; (*attr_list)[i] != NULL; i++) {
1516 ;
1517 }
1518
1519 (*attr_list) = talloc_realloc(mem_ctx, (*attr_list),
1520 const char *, i+2);
1521 SMB_ASSERT((*attr_list) != NULL);
1522 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1523 (*attr_list)[i+1] = NULL;
1524 }
1525
1526 static void ldapsam_add_unix_attributes(TALLOC_CTX *mem_ctx,
1527 const char ***attr_list)
1528 {
1529 append_attr(mem_ctx, attr_list, "uidNumber");
1530 append_attr(mem_ctx, attr_list, "gidNumber");
1531 append_attr(mem_ctx, attr_list, "homeDirectory");
1532 append_attr(mem_ctx, attr_list, "loginShell");
1533 append_attr(mem_ctx, attr_list, "gecos");
1534 }
1535
1536 /**********************************************************************
1537 Get struct samu entry from LDAP by username.
1538 *********************************************************************/
1539
1540 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1541 {
1542 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1543 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1544 LDAPMessage *result = NULL;
1545 LDAPMessage *entry = NULL;
1546 int count;
1547 const char ** attr_list;
1548 int rc;
1549
1550 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1551 append_attr(user, &attr_list,
1552 get_userattr_key2string(ldap_state->schema_ver,
1553 LDAP_ATTR_MOD_TIMESTAMP));
1554 ldapsam_add_unix_attributes(user, &attr_list);
1555 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1556 attr_list);
1557 TALLOC_FREE( attr_list );
1558
1559 if ( rc != LDAP_SUCCESS )
1560 return NT_STATUS_NO_SUCH_USER;
1561
1562 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1563 result);
1564
1565 if (count < 1) {
1566 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1567 ldap_msgfree(result);
1568 return NT_STATUS_NO_SUCH_USER;
1569 } else if (count > 1) {
1570 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1571 ldap_msgfree(result);
1572 return NT_STATUS_NO_SUCH_USER;
1573 }
1574
1575 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1576 result);
1577 if (entry) {
1578 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1579 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1580 ldap_msgfree(result);
1581 return NT_STATUS_NO_SUCH_USER;
1582 }
1583 pdb_set_backend_private_data(user, result, NULL,
1584 my_methods, PDB_CHANGED);
1585 smbldap_talloc_autofree_ldapmsg(user, result);
1586 ret = NT_STATUS_OK;
1587 } else {
1588 ldap_msgfree(result);
1589 }
1590 return ret;
1591 }
1592
1593 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1594 const struct dom_sid *sid, LDAPMessage **result)
1595 {
1596 int rc = -1;
1597 const char ** attr_list;
1598
1599 switch ( ldap_state->schema_ver ) {
1600 case SCHEMAVER_SAMBASAMACCOUNT: {
1601 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1602 if (tmp_ctx == NULL) {
1603 return LDAP_NO_MEMORY;
1604 }
1605
1606 attr_list = get_userattr_list(tmp_ctx,
1607 ldap_state->schema_ver);
1608 append_attr(tmp_ctx, &attr_list,
1609 get_userattr_key2string(
1610 ldap_state->schema_ver,
1611 LDAP_ATTR_MOD_TIMESTAMP));
1612 ldapsam_add_unix_attributes(tmp_ctx, &attr_list);
1613 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1614 result, attr_list);
1615 TALLOC_FREE(tmp_ctx);
1616
1617 if ( rc != LDAP_SUCCESS )
1618 return rc;
1619 break;
1620 }
1621
1622 default:
1623 DEBUG(0,("Invalid schema version specified\n"));
1624 break;
1625 }
1626 return rc;
1627 }
1628
1629 /**********************************************************************
1630 Get struct samu entry from LDAP by SID.
1631 *********************************************************************/
1632
1633 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const struct dom_sid *sid)
1634 {
1635 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1636 LDAPMessage *result = NULL;
1637 LDAPMessage *entry = NULL;
1638 int count;
1639 int rc;
1640
1641 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1642 sid, &result);
1643 if (rc != LDAP_SUCCESS)
1644 return NT_STATUS_NO_SUCH_USER;
1645
1646 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1647 result);
1648
1649 if (count < 1) {
1650 struct dom_sid_buf buf;
1651 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] "
1652 "count=%d\n",
1653 dom_sid_str_buf(sid, &buf),
1654 count));
1655 ldap_msgfree(result);
1656 return NT_STATUS_NO_SUCH_USER;
1657 } else if (count > 1) {
1658 struct dom_sid_buf buf;
1659 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID "
1660 "[%s]. Failing. count=%d\n",
1661 dom_sid_str_buf(sid, &buf),
1662 count));
1663 ldap_msgfree(result);
1664 return NT_STATUS_NO_SUCH_USER;
1665 }
1666
1667 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1668 result);
1669 if (!entry) {
1670 ldap_msgfree(result);
1671 return NT_STATUS_NO_SUCH_USER;
1672 }
1673
1674 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1675 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1676 ldap_msgfree(result);
1677 return NT_STATUS_NO_SUCH_USER;
1678 }
1679
1680 pdb_set_backend_private_data(user, result, NULL,
1681 my_methods, PDB_CHANGED);
1682 smbldap_talloc_autofree_ldapmsg(user, result);
1683 return NT_STATUS_OK;
1684 }
1685
1686 /********************************************************************
1687 Do the actual modification - also change a plaintext password if
1688 it it set.
1689 **********************************************************************/
1690
1691 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1692 struct samu *newpwd, char *dn,
1693 LDAPMod **mods, int ldap_op,
1694 bool (*need_update)(const struct samu *, enum pdb_elements))
1695 {
1696 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1697 int rc;
1698
1699 if (!newpwd || !dn) {
1700 return NT_STATUS_INVALID_PARAMETER;
1701 }
1702
1703 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1704 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1705 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1706 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1707 BerElement *ber;
1708 struct berval *bv;
1709 char *retoid = NULL;
1710 struct berval *retdata = NULL;
1711 char *utf8_password;
1712 char *utf8_dn;
1713 size_t converted_size;
1714 int ret;
1715
1716 if (!ldap_state->is_nds_ldap) {
1717
1718 if (!smbldap_has_extension(
1719 smbldap_get_ldap(
1720 ldap_state->smbldap_state),
1721 LDAP_EXOP_MODIFY_PASSWD)) {
1722 DEBUG(2, ("ldap password change requested, but LDAP "
1723 "server does not support it -- ignoring\n"));
1724 return NT_STATUS_OK;
1725 }
1726 }
1727
1728 if (!push_utf8_talloc(talloc_tos(), &utf8_password,
1729 pdb_get_plaintext_passwd(newpwd),
1730 &converted_size))
1731 {
1732 return NT_STATUS_NO_MEMORY;
1733 }
1734
1735 if (!push_utf8_talloc(talloc_tos(), &utf8_dn, dn, &converted_size)) {
1736 TALLOC_FREE(utf8_password);
1737 return NT_STATUS_NO_MEMORY;
1738 }
1739
1740 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1741 DEBUG(0,("ber_alloc_t returns NULL\n"));
1742 TALLOC_FREE(utf8_password);
1743 TALLOC_FREE(utf8_dn);
1744 return NT_STATUS_UNSUCCESSFUL;
1745 }
1746
1747 if ((ber_printf (ber, "{") < 0) ||
1748 (ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1749 utf8_dn) < 0)) {
1750 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1751 "value <0\n"));
1752 ber_free(ber,1);
1753 TALLOC_FREE(utf8_dn);
1754 TALLOC_FREE(utf8_password);
1755 return NT_STATUS_UNSUCCESSFUL;
1756 }
1757
1758 if ((utf8_password != NULL) && (*utf8_password != '\0')) {
1759 ret = ber_printf(ber, "ts}",
1760 LDAP_TAG_EXOP_MODIFY_PASSWD_NEW,
1761 utf8_password);
1762 } else {
1763 ret = ber_printf(ber, "}");
1764 }
1765
1766 if (ret < 0) {
1767 DEBUG(0,("ldapsam_modify_entry: ber_printf returns a "
1768 "value <0\n"));
1769 ber_free(ber,1);
1770 TALLOC_FREE(utf8_dn);
1771 TALLOC_FREE(utf8_password);
1772 return NT_STATUS_UNSUCCESSFUL;
1773 }
1774
1775 if ((rc = ber_flatten (ber, &bv))<0) {
1776 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1777 ber_free(ber,1);
1778 TALLOC_FREE(utf8_dn);
1779 TALLOC_FREE(utf8_password);
1780 return NT_STATUS_UNSUCCESSFUL;
1781 }
1782
1783 TALLOC_FREE(utf8_dn);
1784 TALLOC_FREE(utf8_password);
1785 ber_free(ber, 1);
1786
1787 if (!ldap_state->is_nds_ldap) {
1788 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1789 LDAP_EXOP_MODIFY_PASSWD,
1790 bv, NULL, NULL, &retoid,
1791 &retdata);
1792 } else {
1793 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1794 pdb_get_plaintext_passwd(newpwd));
1795 }
1796 if (rc != LDAP_SUCCESS) {
1797 char *ld_error = NULL;
1798
1799 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1800 DEBUG(3, ("Could not set userPassword "
1801 "attribute due to an objectClass "
1802 "violation -- ignoring\n"));
1803 ber_bvfree(bv);
1804 return NT_STATUS_OK;
1805 }
1806
1807 ldap_get_option(
1808 smbldap_get_ldap(ldap_state->smbldap_state),
1809 LDAP_OPT_ERROR_STRING,
1810 &ld_error);
1811 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1812 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1813 SAFE_FREE(ld_error);
1814 ber_bvfree(bv);
1815 #if defined(LDAP_CONSTRAINT_VIOLATION)
1816 if (rc == LDAP_CONSTRAINT_VIOLATION)
1817 return NT_STATUS_PASSWORD_RESTRICTION;
1818 #endif
1819 return NT_STATUS_UNSUCCESSFUL;
1820 } else {
1821 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1822 #ifdef DEBUG_PASSWORD
1823 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1824 #endif
1825 if (retdata)
1826 ber_bvfree(retdata);
1827 if (retoid)
1828 ldap_memfree(retoid);
1829 }
1830 ber_bvfree(bv);
1831 }
1832
1833 if (!mods) {
1834 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1835 /* may be password change below however */
1836 } else {
1837 switch(ldap_op) {
1838 case LDAP_MOD_ADD:
1839 if (ldap_state->is_nds_ldap) {
1840 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1841 "objectclass",
1842 "inetOrgPerson");
1843 } else {
1844 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1845 "objectclass",
1846 LDAP_OBJ_ACCOUNT);
1847 }
1848 rc = smbldap_add(ldap_state->smbldap_state,
1849 dn, mods);
1850 break;
1851 case LDAP_MOD_REPLACE:
1852 rc = smbldap_modify(ldap_state->smbldap_state,
1853 dn ,mods);
1854 break;
1855 default:
1856 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1857 ldap_op));
1858 return NT_STATUS_INVALID_PARAMETER;
1859 }
1860
1861 if (rc!=LDAP_SUCCESS) {
1862 return NT_STATUS_UNSUCCESSFUL;
1863 }
1864 }
1865
1866 return NT_STATUS_OK;
1867 }
1868
1869 /**********************************************************************
1870 Delete entry from LDAP for username.
1871 *********************************************************************/
1872
1873 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1874 struct samu * sam_acct)
1875 {
1876 struct ldapsam_privates *priv =
1877 (struct ldapsam_privates *)my_methods->private_data;
1878 const char *sname;
1879 int rc;
1880 LDAPMessage *msg, *entry;
1881 NTSTATUS result = NT_STATUS_NO_MEMORY;
1882 const char **attr_list;
1883 TALLOC_CTX *mem_ctx;
1884
1885 if (!sam_acct) {
1886 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1887 return NT_STATUS_INVALID_PARAMETER;
1888 }
1889
1890 sname = pdb_get_username(sam_acct);
1891
1892 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1893 "LDAP.\n", sname));
1894
1895 mem_ctx = talloc_new(NULL);
1896 if (mem_ctx == NULL) {
1897 DEBUG(0, ("talloc_new failed\n"));
1898 goto done;
1899 }
1900
1901 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1902 if (attr_list == NULL) {
1903 goto done;
1904 }
1905
1906 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1907
1908 if ((rc != LDAP_SUCCESS) ||
1909 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1910 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1911 DEBUG(5, ("Could not find user %s\n", sname));
1912 result = NT_STATUS_NO_SUCH_USER;
1913 goto done;
1914 }
1915
1916 rc = ldapsam_delete_entry(
1917 priv, mem_ctx, entry,
1918 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1919 LDAP_OBJ_SAMBASAMACCOUNT : 0,
1920 attr_list);
1921
1922 result = (rc == LDAP_SUCCESS) ?
1923 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1924
1925 done:
1926 TALLOC_FREE(mem_ctx);
1927 return result;
1928 }
1929
1930 /**********************************************************************
1931 Update struct samu.
1932 *********************************************************************/
1933
1934 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1935 {
1936 NTSTATUS ret;
1937 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1938 int rc = 0;
1939 char *dn;
1940 LDAPMessage *result = NULL;
1941 LDAPMessage *entry = NULL;
1942 LDAPMod **mods = NULL;
1943 const char **attr_list;
1944
1945 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1946 if (!result) {
1947 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1948 if (pdb_get_username(newpwd) == NULL) {
1949 return NT_STATUS_INVALID_PARAMETER;
1950 }
1951 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1952 TALLOC_FREE( attr_list );
1953 if (rc != LDAP_SUCCESS) {
1954 return NT_STATUS_UNSUCCESSFUL;
1955 }
1956 pdb_set_backend_private_data(newpwd, result, NULL,
1957 my_methods, PDB_CHANGED);
1958 smbldap_talloc_autofree_ldapmsg(newpwd, result);
1959 }
1960
1961 if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
1962 result) == 0) {
1963 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1964 return NT_STATUS_UNSUCCESSFUL;
1965 }
1966
1967 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
1968 result);
1969 dn = smbldap_talloc_dn(talloc_tos(),
1970 smbldap_get_ldap(ldap_state->smbldap_state),
1971 entry);
1972 if (!dn) {
1973 return NT_STATUS_UNSUCCESSFUL;
1974 }
1975
1976 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1977
1978 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1979 pdb_element_is_changed)) {
1980 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1981 TALLOC_FREE(dn);
1982 if (mods != NULL)
1983 ldap_mods_free(mods,True);
1984 return NT_STATUS_UNSUCCESSFUL;
1985 }
1986
1987 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1988 && (mods == NULL)) {
1989 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1990 pdb_get_username(newpwd)));
1991 TALLOC_FREE(dn);
1992 return NT_STATUS_OK;
1993 }
1994
1995 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, pdb_element_is_changed);
1996
1997 if (mods != NULL) {
1998 ldap_mods_free(mods,True);
1999 }
2000
2001 TALLOC_FREE(dn);
2002
2003 /*
2004 * We need to set the backend private data to NULL here. For example
2005 * setuserinfo level 25 does a pdb_update_sam_account twice on the
2006 * same one, and with the explicit delete / add logic for attribute
2007 * values the second time we would use the wrong "old" value which
2008 * does not exist in LDAP anymore. Thus the LDAP server would refuse
2009 * the update.
2010 * The existing LDAPMessage is still being auto-freed by the
2011 * destructor.
2012 */
2013 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
2014 PDB_CHANGED);
2015
2016 if (!NT_STATUS_IS_OK(ret)) {
2017 return ret;
2018 }
2019
2020 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
2021 pdb_get_username(newpwd)));
2022 return NT_STATUS_OK;
2023 }
2024
2025 /***************************************************************************
2026 Renames a struct samu
2027 - The "rename user script" has full responsibility for changing everything
2028 ***************************************************************************/
2029
2030 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
2031 TALLOC_CTX *tmp_ctx,
2032 uint32_t group_rid,
2033 uint32_t member_rid);
2034
2035 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2036 TALLOC_CTX *mem_ctx,
2037 struct samu *user,
2038 struct dom_sid **pp_sids,
2039 gid_t **pp_gids,
2040 uint32_t *p_num_groups);
2041
2042 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
2043 struct samu *old_acct,
2044 const char *newname)
2045 {
2046 const struct loadparm_substitution *lp_sub =
2047 loadparm_s3_global_substitution();
2048 const char *oldname;
2049 int rc;
2050 char *rename_script = NULL;
2051 fstring oldname_lower, newname_lower;
2052
2053 if (!old_acct) {
2054 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
2055 return NT_STATUS_INVALID_PARAMETER;
2056 }
2057 if (!newname) {
2058 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
2059 return NT_STATUS_INVALID_PARAMETER;
2060 }
2061
2062 oldname = pdb_get_username(old_acct);
2063
2064 /* rename the posix user */
2065 rename_script = lp_rename_user_script(talloc_tos(), lp_sub);
2066 if (rename_script == NULL) {
2067 return NT_STATUS_NO_MEMORY;
2068 }
2069
2070 if (!(*rename_script)) {
2071 TALLOC_FREE(rename_script);
2072 return NT_STATUS_ACCESS_DENIED;
2073 }
2074
2075 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
2076 oldname, newname));
2077
2078 /* We have to allow the account name to end with a '$'.
2079 Also, follow the semantics in _samr_create_user() and lower case the
2080 posix name but preserve the case in passdb */
2081
2082 fstrcpy( oldname_lower, oldname );
2083 if (!strlower_m( oldname_lower )) {
2084 return NT_STATUS_INVALID_PARAMETER;
2085 }
2086 fstrcpy( newname_lower, newname );
2087 if (!strlower_m( newname_lower )) {
2088 return NT_STATUS_INVALID_PARAMETER;
2089 }
2090
2091 rename_script = realloc_string_sub2(rename_script,
2092 "%unew",
2093 newname_lower,
2094 true,
2095 true);
2096 if (!rename_script) {
2097 return NT_STATUS_NO_MEMORY;
2098 }
2099 rename_script = realloc_string_sub2(rename_script,
2100 "%uold",
2101 oldname_lower,
2102 true,
2103 true);
2104 rc = smbrun(rename_script, NULL, NULL);
2105
2106 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
2107 rename_script, rc));
2108
2109 TALLOC_FREE(rename_script);
2110
2111 if (rc == 0) {
2112 smb_nscd_flush_user_cache();
2113 }
2114
2115 if (rc)
2116 return NT_STATUS_UNSUCCESSFUL;
2117
2118 return NT_STATUS_OK;
2119 }
2120
2121 /**********************************************************************
2122 Add struct samu to LDAP.
2123 *********************************************************************/
2124
2125 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
2126 {
2127 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2128 int rc;
2129 LDAPMessage *result = NULL;
2130 LDAPMessage *entry = NULL;
2131 LDAPMod **mods = NULL;
2132 int ldap_op = LDAP_MOD_REPLACE;
2133 uint32_t num_result;
2134 const char **attr_list;
2135 char *escape_user = NULL;
2136 const char *username = pdb_get_username(newpwd);
2137 const struct dom_sid *sid = pdb_get_user_sid(newpwd);
2138 char *filter = NULL;
2139 char *dn = NULL;
2140 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
2141 TALLOC_CTX *ctx = talloc_init("ldapsam_add_sam_account");
2142
2143 if (!ctx) {
2144 return NT_STATUS_NO_MEMORY;
2145 }
2146
2147 if (!username || !*username) {
2148 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
2149 status = NT_STATUS_INVALID_PARAMETER;
2150 goto fn_exit;
2151 }
2152
2153 /* free this list after the second search or in case we exit on failure */
2154 attr_list = get_userattr_list(ctx, ldap_state->schema_ver);
2155
2156 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
2157
2158 if (rc != LDAP_SUCCESS) {
2159 goto fn_exit;
2160 }
2161
2162 if (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
2163 result) != 0) {
2164 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
2165 username));
2166 goto fn_exit;
2167 }
2168 ldap_msgfree(result);
2169 result = NULL;
2170
2171 if (pdb_element_is_set_or_changed(newpwd, PDB_USERSID)) {
2172 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
2173 sid, &result);
2174 if (rc == LDAP_SUCCESS) {
2175 if (ldap_count_entries(
2176 smbldap_get_ldap(
2177 ldap_state->smbldap_state),
2178 result) != 0) {
2179 struct dom_sid_buf buf;
2180 DEBUG(0,("ldapsam_add_sam_account: SID '%s' "
2181 "already in the base, with samba "
2182 "attributes\n",
2183 dom_sid_str_buf(sid, &buf)));
2184 goto fn_exit;
2185 }
2186 ldap_msgfree(result);
2187 result = NULL;
2188 }
2189 }
2190
2191 /* does the entry already exist but without a samba attributes?
2192 we need to return the samba attributes here */
2193
2194 escape_user = escape_ldap_string(talloc_tos(), username);
2195 filter = talloc_strdup(attr_list, "(uid=%u)");
2196 if (!filter) {
2197 status = NT_STATUS_NO_MEMORY;
2198 goto fn_exit;
2199 }
2200 filter = talloc_all_string_sub(attr_list, filter, "%u", escape_user);
2201 TALLOC_FREE(escape_user);
2202 if (!filter) {
2203 status = NT_STATUS_NO_MEMORY;
2204 goto fn_exit;
2205 }
2206
2207 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2208 filter, attr_list, &result);
2209 if ( rc != LDAP_SUCCESS ) {
2210 goto fn_exit;
2211 }
2212
2213 num_result = ldap_count_entries(
2214 smbldap_get_ldap(ldap_state->smbldap_state), result);
2215
2216 if (num_result > 1) {
2217 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
2218 goto fn_exit;
2219 }
2220
2221 /* Check if we need to update an existing entry */
2222 if (num_result == 1) {
2223 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2224 ldap_op = LDAP_MOD_REPLACE;
2225 entry = ldap_first_entry(
2226 smbldap_get_ldap(ldap_state->smbldap_state), result);
2227 dn = smbldap_talloc_dn(
2228 ctx, smbldap_get_ldap(ldap_state->smbldap_state),
2229 entry);
2230 if (!dn) {
2231 status = NT_STATUS_NO_MEMORY;
2232 goto fn_exit;
2233 }
2234
2235 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2236
2237 struct dom_sid_buf buf;
2238
2239 /* There might be a SID for this account already - say an idmap entry */
2240
2241 filter = talloc_asprintf(ctx,
2242 "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2243 get_userattr_key2string(ldap_state->schema_ver,
2244 LDAP_ATTR_USER_SID),
2245 dom_sid_str_buf(sid, &buf),
2246 LDAP_OBJ_IDMAP_ENTRY,
2247 LDAP_OBJ_SID_ENTRY);
2248 if (!filter) {
2249 status = NT_STATUS_NO_MEMORY;
2250 goto fn_exit;
2251 }
2252
2253 /* free old result before doing a new search */
2254 if (result != NULL) {
2255 ldap_msgfree(result);
2256 result = NULL;
2257 }
2258 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2259 filter, attr_list, &result);
2260
2261 if ( rc != LDAP_SUCCESS ) {
2262 goto fn_exit;
2263 }
2264
2265 num_result = ldap_count_entries(
2266 smbldap_get_ldap(ldap_state->smbldap_state), result);
2267
2268 if (num_result > 1) {
2269 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2270 goto fn_exit;
2271 }
2272
2273 /* Check if we need to update an existing entry */
2274 if (num_result == 1) {
2275
2276 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2277 ldap_op = LDAP_MOD_REPLACE;
2278 entry = ldap_first_entry (
2279 smbldap_get_ldap(ldap_state->smbldap_state),
2280 result);
2281 dn = smbldap_talloc_dn (
2282 ctx,
2283 smbldap_get_ldap(ldap_state->smbldap_state),
2284 entry);
2285 if (!dn) {
2286 status = NT_STATUS_NO_MEMORY;
2287 goto fn_exit;
2288 }
2289 }
2290 }
2291
2292 if (num_result == 0) {
2293 char *escape_username;
2294 /* Check if we need to add an entry */
2295 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2296 ldap_op = LDAP_MOD_ADD;
2297
2298 escape_username = escape_rdn_val_string_alloc(username);
2299 if (!escape_username) {
2300 status = NT_STATUS_NO_MEMORY;
2301 goto fn_exit;
2302 }
2303
2304 if (username[strlen(username)-1] == '$') {
2305 dn = talloc_asprintf(ctx,
2306 "uid=%s,%s",
2307 escape_username,
2308 lp_ldap_machine_suffix(talloc_tos()));
2309 } else {
2310 dn = talloc_asprintf(ctx,
2311 "uid=%s,%s",
2312 escape_username,
2313 lp_ldap_user_suffix(talloc_tos()));
2314 }
2315
2316 SAFE_FREE(escape_username);
2317 if (!dn) {
2318 status = NT_STATUS_NO_MEMORY;
2319 goto fn_exit;
2320 }
2321 }
2322
2323 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2324 pdb_element_is_set_or_changed)) {
2325 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2326 if (mods != NULL) {
2327 ldap_mods_free(mods, true);
2328 }
2329 goto fn_exit;
2330 }
2331
2332 if (mods == NULL) {
2333 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2334 goto fn_exit;
2335 }
2336 switch ( ldap_state->schema_ver ) {
2337 case SCHEMAVER_SAMBASAMACCOUNT:
2338 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2339 break;
2340 default:
2341 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2342 break;
2343 }
2344
2345 status = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, pdb_element_is_set_or_changed);
2346 if (!NT_STATUS_IS_OK(status)) {
2347 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2348 pdb_get_username(newpwd),dn));
2349 ldap_mods_free(mods, true);
2350 goto fn_exit;
2351 }
2352
2353 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2354 ldap_mods_free(mods, true);
2355
2356 status = NT_STATUS_OK;
2357
2358 fn_exit:
2359
2360 TALLOC_FREE(ctx);
2361 if (result) {
2362 ldap_msgfree(result);
2363 }
2364 return status;
2365 }
2366
2367 /**********************************************************************
2368 *********************************************************************/
2369
2370 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2371 const char *filter,
2372 LDAPMessage ** result)
2373 {
2374 int scope = LDAP_SCOPE_SUBTREE;
2375 int rc;
2376 const char **attr_list;
2377
2378 attr_list = get_attr_list(NULL, groupmap_attr_list);
2379 rc = smbldap_search(ldap_state->smbldap_state,
2380 lp_ldap_suffix(), scope,
2381 filter, attr_list, 0, result);
2382 TALLOC_FREE(attr_list);
2383
2384 return rc;
2385 }
2386
2387 /**********************************************************************
2388 *********************************************************************/
2389
2390 static bool init_group_from_ldap(struct ldapsam_privates *ldap_state,
2391 GROUP_MAP *map, LDAPMessage *entry)
2392 {
2393 char *temp = NULL;
2394 TALLOC_CTX *ctx = talloc_init("init_group_from_ldap");
2395
2396 if (ldap_state == NULL || map == NULL || entry == NULL ||
2397 smbldap_get_ldap(ldap_state->smbldap_state) == NULL) {
2398 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2399 TALLOC_FREE(ctx);
2400 return false;
2401 }
2402
2403 temp = smbldap_talloc_single_attribute(
2404 smbldap_get_ldap(ldap_state->smbldap_state),
2405 entry,
2406 get_attr_key2string(groupmap_attr_list,
2407 LDAP_ATTR_GIDNUMBER),
2408 ctx);
2409 if (!temp) {
2410 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2411 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2412 TALLOC_FREE(ctx);
2413 return false;
2414 }
2415 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2416
2417 map->gid = (gid_t)atol(temp);
2418
2419 TALLOC_FREE(temp);
2420 temp = smbldap_talloc_single_attribute(
2421 smbldap_get_ldap(ldap_state->smbldap_state),
2422 entry,
2423 get_attr_key2string(groupmap_attr_list,
2424 LDAP_ATTR_GROUP_SID),
2425 ctx);
2426 if (!temp) {
2427 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2428 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2429 TALLOC_FREE(ctx);
2430 return false;
2431 }
2432
2433 if (!string_to_sid(&map->sid, temp)) {
2434 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2435 TALLOC_FREE(ctx);
2436 return false;
2437 }
2438
2439 TALLOC_FREE(temp);
2440 temp = smbldap_talloc_single_attribute(
2441 smbldap_get_ldap(ldap_state->smbldap_state),
2442 entry,
2443 get_attr_key2string(groupmap_attr_list,
2444 LDAP_ATTR_GROUP_TYPE),
2445 ctx);
2446 if (!temp) {
2447 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2448 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2449 TALLOC_FREE(ctx);
2450 return false;
2451 }
2452 map->sid_name_use = (enum lsa_SidType)atol(temp);
2453
2454 if ((map->sid_name_use < SID_NAME_USER) ||
2455 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2456 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2457 TALLOC_FREE(ctx);
2458 return false;
2459 }
2460
2461 TALLOC_FREE(temp);
2462 temp = smbldap_talloc_single_attribute(
2463 smbldap_get_ldap(ldap_state->smbldap_state),
2464 entry,
2465 get_attr_key2string(groupmap_attr_list,
2466 LDAP_ATTR_DISPLAY_NAME),
2467 ctx);
2468 if (!temp) {
2469 temp = smbldap_talloc_single_attribute(
2470 smbldap_get_ldap(ldap_state->smbldap_state),
2471 entry,
2472 get_attr_key2string(groupmap_attr_list,
2473 LDAP_ATTR_CN),
2474 ctx);
2475 if (!temp) {
2476 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2477 for gidNumber(%lu)\n",(unsigned long)map->gid));
2478 TALLOC_FREE(ctx);
2479 return false;
2480 }
2481 }
2482 map->nt_name = talloc_strdup(map, temp);
2483 if (!map->nt_name) {
2484 TALLOC_FREE(ctx);
2485 return false;
2486 }
2487
2488 TALLOC_FREE(temp);
2489 temp = smbldap_talloc_single_attribute(
2490 smbldap_get_ldap(ldap_state->smbldap_state),
2491 entry,
2492 get_attr_key2string(groupmap_attr_list,
2493 LDAP_ATTR_DESC),
2494 ctx);
2495 if (!temp) {
2496 temp = talloc_strdup(ctx, "");
2497 if (!temp) {
2498 TALLOC_FREE(ctx);
2499 return false;
2500 }
2501 }
2502 map->comment = talloc_strdup(map, temp);
2503 if (!map->comment) {
2504 TALLOC_FREE(ctx);
2505 return false;
2506 }
2507
2508 if (lp_parm_bool(-1, "ldapsam", "trusted", false)) {
2509 struct unixid id;
2510 id.id = map->gid;
2511 id.type = ID_TYPE_GID;
2512
2513 idmap_cache_set_sid2unixid(&map->sid, &id);
2514 }
2515
2516 TALLOC_FREE(ctx);
2517 return true;
2518 }
2519
2520 /**********************************************************************
2521 *********************************************************************/
2522
2523 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2524 const char *filter,
2525 GROUP_MAP *map)
2526 {
2527 struct ldapsam_privates *ldap_state =
2528 (struct ldapsam_privates *)methods->private_data;
2529 LDAPMessage *result = NULL;
2530 LDAPMessage *entry = NULL;
2531 int count;
2532
2533 if (ldapsam_search_one_group(ldap_state, filter, &result)
2534 != LDAP_SUCCESS) {
2535 return NT_STATUS_NO_SUCH_GROUP;
2536 }
2537
2538 count = ldap_count_entries(priv2ld(ldap_state), result);
2539
2540 if (count < 1) {
2541 DEBUG(4, ("ldapsam_getgroup: Did not find group, filter was "
2542 "%s\n", filter));
2543 ldap_msgfree(result);
2544 return NT_STATUS_NO_SUCH_GROUP;
2545 }
2546
2547 if (count > 1) {
2548 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2549 "count=%d\n", filter, count));
2550 ldap_msgfree(result);
2551 return NT_STATUS_NO_SUCH_GROUP;
2552 }
2553
2554 entry = ldap_first_entry(priv2ld(ldap_state), result);
2555
2556 if (!entry) {
2557 ldap_msgfree(result);
2558 return NT_STATUS_UNSUCCESSFUL;
2559 }
2560
2561 if (!init_group_from_ldap(ldap_state, map, entry)) {
2562 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2563 "group filter %s\n", filter));
2564 ldap_msgfree(result);
2565 return NT_STATUS_NO_SUCH_GROUP;
2566 }
2567
2568 ldap_msgfree(result);
2569 return NT_STATUS_OK;
2570 }
2571
2572 /**********************************************************************
2573 *********************************************************************/
2574
2575 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2576 struct dom_sid sid)
2577 {
2578 char *filter = NULL;
2579 NTSTATUS status;
2580 struct dom_sid_buf tmp;
2581
2582 if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
2583 LDAP_OBJ_GROUPMAP,
2584 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2585 dom_sid_str_buf(&sid, &tmp)) < 0) {
2586 return NT_STATUS_NO_MEMORY;
2587 }
2588
2589 status = ldapsam_getgroup(methods, filter, map);
2590 SAFE_FREE(filter);
2591 return status;
2592 }
2593
2594 /**********************************************************************
2595 *********************************************************************/
2596
2597 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2598 gid_t gid)
2599 {
2600 char *filter = NULL;
2601 NTSTATUS status;
2602
2603 if (asprintf(&filter, "(&(objectClass=%s)(%s=%lu))",
2604 LDAP_OBJ_GROUPMAP,
2605 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2606 (unsigned long)gid) < 0) {
2607 return NT_STATUS_NO_MEMORY;
2608 }
2609
2610 status = ldapsam_getgroup(methods, filter, map);
2611 SAFE_FREE(filter);
2612 return status;
2613 }
2614
2615 /**********************************************************************
2616 *********************************************************************/
2617
2618 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2619 const char *name)
2620 {
2621 char *filter = NULL;
2622 char *escape_name = escape_ldap_string(talloc_tos(), name);
2623 NTSTATUS status;
2624
2625 if (!escape_name) {
2626 return NT_STATUS_NO_MEMORY;
2627 }
2628
2629 if (asprintf(&filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2630 LDAP_OBJ_GROUPMAP,
2631 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2632 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN),
2633 escape_name) < 0) {
2634 TALLOC_FREE(escape_name);
2635 return NT_STATUS_NO_MEMORY;
2636 }
2637
2638 TALLOC_FREE(escape_name);
2639 status = ldapsam_getgroup(methods, filter, map);
2640 SAFE_FREE(filter);
2641 return status;
2642 }
2643
2644 static bool ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2645 LDAPMessage *entry,
2646 const struct dom_sid *domain_sid,
2647 uint32_t *rid)
2648 {
2649 fstring str;
2650 struct dom_sid sid;
2651
2652 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2653 str, sizeof(str)-1)) {
2654 DEBUG(10, ("Could not find sambaSID attribute\n"));
2655 return False;
2656 }
2657
2658 if (!string_to_sid(&sid, str)) {
2659 DEBUG(10, ("Could not convert string %s to sid\n", str));
2660 return False;
2661 }
2662
2663 if (dom_sid_compare_domain(&sid, domain_sid) != 0) {
2664 struct dom_sid_buf buf;
2665 DEBUG(10, ("SID %s is not in expected domain %s\n",
2666 str,
2667 dom_sid_str_buf(domain_sid, &buf)));
2668 return False;
2669 }
2670
2671 if (!sid_peek_rid(&sid, rid)) {
2672 DEBUG(10, ("Could not peek into RID\n"));
2673 return False;
2674 }
2675
2676 return True;
2677 }
2678
2679 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2680 TALLOC_CTX *mem_ctx,
2681 const struct dom_sid *group,
2682 uint32_t **pp_member_rids,
2683 size_t *p_num_members)
2684 {
2685 struct ldapsam_privates *ldap_state =
2686 (struct ldapsam_privates *)methods->private_data;
2687 struct smbldap_state *conn = ldap_state->smbldap_state;
2688 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2689 const char *sid_attrs[] = { "sambaSID", NULL };
2690 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2691 LDAPMessage *result = NULL;
2692 LDAPMessage *entry;
2693 char *filter;
2694 char **values = NULL;
2695 char **memberuid;
2696 char *gidstr;
2697 int rc, count;
2698 struct dom_sid_buf buf;
2699
2700 *pp_member_rids = NULL;
2701 *p_num_members = 0;
2702
2703 filter = talloc_asprintf(mem_ctx,
2704 "(&(objectClass="LDAP_OBJ_POSIXGROUP")"
2705 "(objectClass="LDAP_OBJ_GROUPMAP")"
2706 "(sambaSID=%s))",
2707 dom_sid_str_buf(group, &buf));
2708 if (filter == NULL) {
2709 ret = NT_STATUS_NO_MEMORY;
2710 goto done;
2711 }
2712
2713 rc = smbldap_search(conn, lp_ldap_suffix(),
2714 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2715 &result);
2716
2717 if (rc != LDAP_SUCCESS)
2718 goto done;
2719
2720 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2721
2722 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2723
2724 if (count > 1) {
2725 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2726 dom_sid_str_buf(group, &buf)));
2727 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2728 goto done;
2729 }
2730
2731 if (count == 0) {
2732 ret = NT_STATUS_NO_SUCH_GROUP;
2733 goto done;
2734 }
2735
2736 entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2737 if (entry == NULL)
2738 goto done;
2739
2740 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2741 if (!gidstr) {
2742 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2743 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2744 goto done;
2745 }
2746
2747 values = ldap_get_values(smbldap_get_ldap(conn), entry, "memberUid");
2748
2749 if ((values != NULL) && (values[0] != NULL)) {
2750
2751 filter = talloc_strdup(mem_ctx, "(&(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")(|");
2752
2753 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2754 char *escape_memberuid;
2755
2756 escape_memberuid = escape_ldap_string(talloc_tos(),
2757 *memberuid);
2758 if (escape_memberuid == NULL) {
2759 ret = NT_STATUS_NO_MEMORY;
2760 goto done;
2761 }
2762
2763 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2764 TALLOC_FREE(escape_memberuid);
2765 if (filter == NULL) {
2766 ret = NT_STATUS_NO_MEMORY;
2767 goto done;
2768 }
2769 }
2770
2771 filter = talloc_asprintf_append_buffer(filter, "))");
2772 if (filter == NULL) {
2773 ret = NT_STATUS_NO_MEMORY;
2774 goto done;
2775 }
2776
2777 rc = smbldap_search(conn, lp_ldap_suffix(),
2778 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2779 &result);
2780
2781 if (rc != LDAP_SUCCESS)
2782 goto done;
2783
2784 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2785 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2786
2787 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2788
2789 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2790 entry != NULL;
2791 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2792 {
2793 char *sidstr;
2794 struct dom_sid sid;
2795 uint32_t rid;
2796
2797 sidstr = smbldap_talloc_single_attribute(
2798 smbldap_get_ldap(conn), entry, "sambaSID",
2799 mem_ctx);
2800 if (!sidstr) {
2801 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2802 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2803 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2804 goto done;
2805 }
2806
2807 if (!string_to_sid(&sid, sidstr))
2808 goto done;
2809
2810 if (!sid_check_is_in_our_sam(&sid)) {
2811 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2812 "in our domain\n"));
2813 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2814 goto done;
2815 }
2816
2817 sid_peek_rid(&sid, &rid);
2818
2819 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2820 p_num_members)) {
2821 ret = NT_STATUS_NO_MEMORY;
2822 goto done;
2823 }
2824 }
2825 }
2826
2827 filter = talloc_asprintf(mem_ctx,
2828 "(&(objectClass=%s)"
2829 "(gidNumber=%s))",
2830 LDAP_OBJ_SAMBASAMACCOUNT,
2831 gidstr);
2832
2833 rc = smbldap_search(conn, lp_ldap_suffix(),
2834 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2835 &result);
2836
2837 if (rc != LDAP_SUCCESS)
2838 goto done;
2839
2840 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2841
2842 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2843 entry != NULL;
2844 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2845 {
2846 uint32_t rid;
2847
2848 if (!ldapsam_extract_rid_from_entry(smbldap_get_ldap(conn),
2849 entry,
2850 get_global_sam_sid(),
2851 &rid)) {
2852 DEBUG(0, ("Severe DB error, %s can't miss the samba SID"
2853 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2854 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2855 goto done;
2856 }
2857
2858 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2859 p_num_members)) {
2860 ret = NT_STATUS_NO_MEMORY;
2861 goto done;
2862 }
2863 }
2864
2865 ret = NT_STATUS_OK;
2866
2867 done:
2868
2869 if (values)
2870 ldap_value_free(values);
2871
2872 return ret;
2873 }
2874
2875 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2876 TALLOC_CTX *mem_ctx,
2877 struct samu *user,
2878 struct dom_sid **pp_sids,
2879 gid_t **pp_gids,
2880 uint32_t *p_num_groups)
2881 {
2882 struct ldapsam_privates *ldap_state =
2883 (struct ldapsam_privates *)methods->private_data;
2884 struct smbldap_state *conn = ldap_state->smbldap_state;
2885 char *filter;
2886 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2887 char *escape_name;
2888 int rc, count;
2889 LDAPMessage *result = NULL;
2890 LDAPMessage *entry;
2891 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2892 uint32_t num_sids;
2893 uint32_t num_gids;
2894 char *gidstr;
2895 gid_t primary_gid = -1;
2896 int error = 0;
2897
2898 *pp_sids = NULL;
2899 num_sids = 0;
2900
2901 if (pdb_get_username(user) == NULL) {
2902 return NT_STATUS_INVALID_PARAMETER;
2903 }
2904
2905 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2906 if (escape_name == NULL)
2907 return NT_STATUS_NO_MEMORY;
2908
2909 if (user->unix_pw) {
2910 primary_gid = user->unix_pw->pw_gid;
2911 } else {
2912 /* retrieve the users primary gid */
2913 filter = talloc_asprintf(mem_ctx,
2914 "(&(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")(uid=%s))",
2915 escape_name);
2916 if (filter == NULL) {
2917 ret = NT_STATUS_NO_MEMORY;
2918 goto done;
2919 }
2920
2921 rc = smbldap_search(conn, lp_ldap_suffix(),
2922 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2923
2924 if (rc != LDAP_SUCCESS)
2925 goto done;
2926
2927 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2928
2929 count = ldap_count_entries(priv2ld(ldap_state), result);
2930
2931 switch (count) {
2932 case 0:
2933 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2934 ret = NT_STATUS_NO_SUCH_USER;
2935 goto done;
2936 case 1:
2937 entry = ldap_first_entry(priv2ld(ldap_state), result);
2938
2939 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2940 if (!gidstr) {
2941 DEBUG (1, ("Unable to find the member's gid!\n"));
2942 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2943 goto done;
2944 }
2945 primary_gid = smb_strtoul(gidstr,
2946 NULL,
2947 10,
2948 &error,
2949 SMB_STR_STANDARD);
2950 if (error != 0) {
2951 DBG_ERR("Failed to convert GID\n");
2952 goto done;
2953 }
2954 break;
2955 default:
2956 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2957 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2958 goto done;
2959 }
2960 }
2961
2962 filter = talloc_asprintf(mem_ctx,
2963 "(&(objectClass="LDAP_OBJ_POSIXGROUP")(|(memberUid=%s)(gidNumber=%u)))",
2964 escape_name, (unsigned int)primary_gid);
2965 if (filter == NULL) {
2966 ret = NT_STATUS_NO_MEMORY;
2967 goto done;
2968 }
2969
2970 rc = smbldap_search(conn, lp_ldap_suffix(),
2971 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2972
2973 if (rc != LDAP_SUCCESS)
2974 goto done;
2975
2976 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2977
2978 num_gids = 0;
2979 *pp_gids = NULL;
2980
2981 num_sids = 0;
2982 *pp_sids = NULL;
2983
2984 /* We need to add the primary group as the first gid/sid */
2985
2986 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2987 ret = NT_STATUS_NO_MEMORY;
2988 goto done;
2989 }
2990
2991 /* This sid will be replaced later */
2992
2993 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
2994 &num_sids);
2995 if (!NT_STATUS_IS_OK(ret)) {
2996 goto done;
2997 }
2998
2999 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
3000 entry != NULL;
3001 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
3002 {
3003 fstring str;
3004 struct dom_sid sid;
3005 gid_t gid;
3006
3007 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
3008 entry, "sambaSID",
3009 str, sizeof(str)-1))
3010 continue;
3011
3012 if (!string_to_sid(&sid, str))
3013 goto done;
3014
3015 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
3016 entry, "gidNumber",
3017 str, sizeof(str)-1))
3018 continue;
3019
3020 gid = smb_strtoul(str, NULL, 10, &error, SMB_STR_FULL_STR_CONV);
3021
3022 if (error != 0) {
3023 goto done;
3024 }
3025
3026 if (gid == primary_gid) {
3027 sid_copy(&(*pp_sids)[0], &sid);
3028 } else {
3029 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3030 &num_gids)) {
3031 ret = NT_STATUS_NO_MEMORY;
3032 goto done;
3033 }
3034 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3035 &num_sids);
3036 if (!NT_STATUS_IS_OK(ret)) {
3037 goto done;
3038 }
3039 }
3040 }
3041
3042 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3043 DEBUG(3, ("primary group of [%s] not found\n",
3044 pdb_get_username(user)));
3045 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
3046 goto done;
3047 }
3048
3049 *p_num_groups = num_sids;
3050
3051 ret = NT_STATUS_OK;
3052
3053 done:
3054
3055 TALLOC_FREE(escape_name);
3056 return ret;
3057 }
3058
3059 /**********************************************************************
3060 * Augment a posixGroup object with a sambaGroupMapping domgroup
3061 *********************************************************************/
3062
3063 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3064 struct ldapsam_privates *ldap_state,
3065 GROUP_MAP *map)
3066 {
3067 const char *filter, *dn;
3068 LDAPMessage *msg, *entry;
3069 LDAPMod **mods;
3070 struct dom_sid_buf buf;
3071 int rc;
3072
3073 filter = talloc_asprintf(mem_ctx,
3074 "(&(objectClass="LDAP_OBJ_POSIXGROUP")(gidNumber=%u))",
3075 (unsigned int)map->gid);
3076 if (filter == NULL) {
3077 return NT_STATUS_NO_MEMORY;
3078 }
3079
3080 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3081 get_attr_list(mem_ctx, groupmap_attr_list),
3082 &msg);
3083 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3084
3085 if ((rc != LDAP_SUCCESS) ||
3086 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3087 msg) != 1) ||
3088 ((entry = ldap_first_entry(
3089 smbldap_get_ldap(ldap_state->smbldap_state),
3090 msg)) == NULL)) {
3091 return NT_STATUS_NO_SUCH_GROUP;
3092 }
3093
3094 dn = smbldap_talloc_dn(mem_ctx,
3095 smbldap_get_ldap(ldap_state->smbldap_state),
3096 entry);
3097 if (dn == NULL) {
3098 return NT_STATUS_NO_MEMORY;
3099 }
3100
3101 mods = NULL;
3102 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3103 LDAP_OBJ_GROUPMAP);
3104 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3105 &mods, "sambaSid",
3106 dom_sid_str_buf(&map->sid, &buf));
3107 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3108 &mods, "sambaGroupType",
3109 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3110 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3111 &mods, "displayName",
3112 map->nt_name);
3113 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3114 &mods, "description",
3115 map->comment);
3116 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3117
3118 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3119 if (rc != LDAP_SUCCESS) {
3120 return NT_STATUS_ACCESS_DENIED;
3121 }
3122
3123 return NT_STATUS_OK;
3124 }
3125
3126 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3127 GROUP_MAP *map)
3128 {
3129 struct ldapsam_privates *ldap_state =
3130 (struct ldapsam_privates *)methods->private_data;
3131 LDAPMessage *msg = NULL;
3132 LDAPMod **mods = NULL;
3133 const char *attrs[] = { NULL };
3134 char *filter;
3135
3136 char *dn;
3137 TALLOC_CTX *mem_ctx;
3138 NTSTATUS result;
3139
3140 struct dom_sid sid;
3141 struct dom_sid_buf buf;
3142 struct unixid id;
3143
3144 int rc;
3145
3146 mem_ctx = talloc_new(NULL);
3147 if (mem_ctx == NULL) {
3148 DEBUG(0, ("talloc_new failed\n"));
3149 return NT_STATUS_NO_MEMORY;
3150 }
3151
3152 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3153 dom_sid_str_buf(&map->sid, &buf));
3154 if (filter == NULL) {
3155 result = NT_STATUS_NO_MEMORY;
3156 goto done;
3157 }
3158
3159 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3160 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3161 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3162
3163 if ((rc == LDAP_SUCCESS) &&
3164 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3165 msg) > 0)) {
3166
3167 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3168 "group mapping entry\n",
3169 dom_sid_str_buf(&map->sid, &buf)));
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_sam(&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 dom_sid_str_buf(&map->sid, &buf)));
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 id.id = map->gid;
3211 id.type = ID_TYPE_GID;
3212
3213 if (pdb_id_to_sid(&id, &sid)) {
3214 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3215 "add\n",
3216 (unsigned int)map->gid,
3217 dom_sid_str_buf(&sid, &buf)));
3218 result = NT_STATUS_GROUP_EXISTS;
3219 goto done;
3220 }
3221
3222 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3223 * the best we can get out of LDAP. */
3224
3225 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3226 dom_sid_str_buf(&map->sid, &buf),
3227 lp_ldap_group_suffix(talloc_tos()));
3228 if (dn == NULL) {
3229 result = NT_STATUS_NO_MEMORY;
3230 goto done;
3231 }
3232
3233 mods = NULL;
3234
3235 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3236 &mods, "objectClass", LDAP_OBJ_SID_ENTRY);
3237 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3238 &mods, "objectClass", LDAP_OBJ_GROUPMAP);
3239 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3240 &mods, "sambaSid",
3241 dom_sid_str_buf(&map->sid, &buf));
3242 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3243 &mods, "sambaGroupType",
3244 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3245 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3246 &mods, "displayName",
3247 map->nt_name);
3248 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3249 &mods, "description",
3250 map->comment);
3251 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3252 &mods, "gidNumber",
3253 talloc_asprintf(mem_ctx, "%u",
3254 (unsigned int)map->gid));
3255 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3256
3257 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3258
3259 result = (rc == LDAP_SUCCESS) ?
3260 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3261
3262 done:
3263 TALLOC_FREE(mem_ctx);
3264 return result;
3265 }
3266
3267 /**********************************************************************
3268 * Update a group mapping entry. We're quite strict about what can be changed:
3269 * Only the description and displayname may be changed. It simply does not
3270 * make any sense to change the SID, gid or the type in a mapping.
3271 *********************************************************************/
3272
3273 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3274 GROUP_MAP *map)
3275 {
3276 struct ldapsam_privates *ldap_state =
3277 (struct ldapsam_privates *)methods->private_data;
3278 int rc;
3279 const char *filter, *dn;
3280 LDAPMessage *msg = NULL;
3281 LDAPMessage *entry = NULL;
3282 LDAPMod **mods = NULL;
3283 TALLOC_CTX *mem_ctx;
3284 NTSTATUS result;
3285 struct dom_sid_buf buf;
3286
3287 mem_ctx = talloc_new(NULL);
3288 if (mem_ctx == NULL) {
3289 DEBUG(0, ("talloc_new failed\n"));
3290 return NT_STATUS_NO_MEMORY;
3291 }
3292
3293 /* Make 100% sure that sid, gid and type are not changed by looking up
3294 * exactly the values we're given in LDAP. */
3295
3296 filter = talloc_asprintf(mem_ctx, "(&(objectClass="LDAP_OBJ_GROUPMAP")"
3297 "(sambaSid=%s)(gidNumber=%u)"
3298 "(sambaGroupType=%d))",
3299 dom_sid_str_buf(&map->sid, &buf),
3300 (unsigned int)map->gid, map->sid_name_use);
3301 if (filter == NULL) {
3302 result = NT_STATUS_NO_MEMORY;
3303 goto done;
3304 }
3305
3306 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3307 get_attr_list(mem_ctx, groupmap_attr_list),
3308 &msg);
3309 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3310
3311 if ((rc != LDAP_SUCCESS) ||
3312 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3313 msg) != 1) ||
3314 ((entry = ldap_first_entry(
3315 smbldap_get_ldap(ldap_state->smbldap_state),
3316 msg)) == NULL)) {
3317 result = NT_STATUS_NO_SUCH_GROUP;
3318 goto done;
3319 }
3320
3321 dn = smbldap_talloc_dn(
3322 mem_ctx, smbldap_get_ldap(ldap_state->smbldap_state), entry);
3323
3324 if (dn == NULL) {
3325 result = NT_STATUS_NO_MEMORY;
3326 goto done;
3327 }
3328
3329 mods = NULL;
3330 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3331 &mods, "displayName", map->nt_name);
3332 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3333 &mods, "description", map->comment);
3334 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3335
3336 if (mods == NULL) {
3337 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3338 "nothing to do\n"));
3339 result = NT_STATUS_OK;
3340 goto done;
3341 }
3342
3343 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3344
3345 if (rc != LDAP_SUCCESS) {
3346 result = NT_STATUS_ACCESS_DENIED;
3347 goto done;
3348 }
3349
3350 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3351 "group %lu in LDAP\n", (unsigned long)map->gid));
3352
3353 result = NT_STATUS_OK;
3354
3355 done:
3356 TALLOC_FREE(mem_ctx);
3357 return result;
3358 }
3359
3360 /**********************************************************************
3361 *********************************************************************/
3362
3363 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3364 struct dom_sid sid)
3365 {
3366 struct ldapsam_privates *priv =
3367 (struct ldapsam_privates *)methods->private_data;
3368 LDAPMessage *msg, *entry;
3369 int rc;
3370 NTSTATUS result;
3371 TALLOC_CTX *mem_ctx;
3372 char *filter;
3373 struct dom_sid_buf buf;
3374
3375 mem_ctx = talloc_new(NULL);
3376 if (mem_ctx == NULL) {
3377 DEBUG(0, ("talloc_new failed\n"));
3378 return NT_STATUS_NO_MEMORY;
3379 }
3380
3381 filter = talloc_asprintf(mem_ctx, "(&(objectClass="LDAP_OBJ_GROUPMAP")("LDAP_ATTRIBUTE_SID"=%s))",
3382 dom_sid_str_buf(&sid, &buf));
3383 if (filter == NULL) {
3384 result = NT_STATUS_NO_MEMORY;
3385 goto done;
3386 }
3387 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3388 get_attr_list(mem_ctx, groupmap_attr_list),
3389 &msg);
3390 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3391
3392 if ((rc != LDAP_SUCCESS) ||
3393 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3394 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3395 result = NT_STATUS_NO_SUCH_GROUP;
3396 goto done;
3397 }
3398
3399 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3400 get_attr_list(mem_ctx,
3401 groupmap_attr_list_to_delete));
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 NULL };
3409
3410 /* Second try. Don't delete the sambaSID attribute, this is
3411 for "old" entries that are tacked on a winbind
3412 sambaIdmapEntry. */
3413
3414 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3415 LDAP_OBJ_GROUPMAP, attrs);
3416 }
3417
3418 if ((rc == LDAP_NAMING_VIOLATION) ||
3419 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3420 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3421 const char *attrs[] = { "sambaGroupType", "description",
3422 "displayName", "sambaSIDList",
3423 "gidNumber", NULL };
3424
3425 /* Third try. This is a post-3.0.21 alias (containing only
3426 * sambaSidEntry and sambaGroupMapping classes), we also have
3427 * to delete the gidNumber attribute, only the sambaSidEntry
3428 * remains */
3429
3430 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3431 LDAP_OBJ_GROUPMAP, attrs);
3432 }
3433
3434 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3435
3436 done:
3437 TALLOC_FREE(mem_ctx);
3438 return result;
3439 }
3440
3441 /**********************************************************************
3442 *********************************************************************/
3443
3444 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3445 bool update)
3446 {
3447 struct ldapsam_privates *ldap_state =
3448 (struct ldapsam_privates *)my_methods->private_data;
3449 const char *filter = NULL;
3450 int rc;
3451 const char **attr_list;
3452
3453 filter = "(objectclass="LDAP_OBJ_GROUPMAP")";
3454 attr_list = get_attr_list( NULL, groupmap_attr_list );
3455 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3456 LDAP_SCOPE_SUBTREE, filter,
3457 attr_list, 0, &ldap_state->result);
3458 TALLOC_FREE(attr_list);
3459
3460 if (rc != LDAP_SUCCESS) {
3461 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3462 ldap_err2string(rc)));
3463 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3464 lp_ldap_suffix(), filter));
3465 ldap_msgfree(ldap_state->result);
3466 ldap_state->result = NULL;
3467 return NT_STATUS_UNSUCCESSFUL;
3468 }
3469
3470 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3471 ldap_count_entries(
3472 smbldap_get_ldap(ldap_state->smbldap_state),
3473 ldap_state->result)));
3474
3475 ldap_state->entry =
3476 ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3477 ldap_state->result);
3478 ldap_state->index = 0;
3479
3480 return NT_STATUS_OK;
3481 }
3482
3483 /**********************************************************************
3484 *********************************************************************/
3485
3486 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3487 {
3488 ldapsam_endsampwent(my_methods);
3489 }
3490
3491 /**********************************************************************
3492 *********************************************************************/
3493
3494 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3495 GROUP_MAP *map)
3496 {
3497 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3498 struct ldapsam_privates *ldap_state =
3499 (struct ldapsam_privates *)my_methods->private_data;
3500 bool bret = False;
3501
3502 while (!bret) {
3503 if (!ldap_state->entry)
3504 return ret;
3505
3506 ldap_state->index++;
3507 bret = init_group_from_ldap(ldap_state, map,
3508 ldap_state->entry);
3509
3510 ldap_state->entry = ldap_next_entry(
3511 smbldap_get_ldap(ldap_state->smbldap_state),
3512 ldap_state->entry);
3513 }
3514
3515 return NT_STATUS_OK;
3516 }
3517
3518 /**********************************************************************
3519 *********************************************************************/
3520
3521 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3522 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3523 GROUP_MAP ***pp_rmap,
3524 size_t *p_num_entries,
3525 bool unix_only)
3526 {
3527 GROUP_MAP *map = NULL;
3528 size_t entries = 0;
3529
3530 *p_num_entries = 0;
3531 *pp_rmap = NULL;
3532
3533 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3534 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3535 "passdb\n"));
3536 return NT_STATUS_ACCESS_DENIED;
3537 }
3538
3539 while (true) {
3540
3541 map = talloc_zero(NULL, GROUP_MAP);
3542 if (!map) {
3543 return NT_STATUS_NO_MEMORY;
3544 }
3545
3546 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3547 TALLOC_FREE(map);
3548 break;
3549 }
3550
3551 if (sid_name_use != SID_NAME_UNKNOWN &&
3552 sid_name_use != map->sid_name_use) {
3553 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3554 "not of the requested type\n",
3555 map->nt_name));
3556 continue;
3557 }
3558 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3559 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3560 "non mapped\n", map->nt_name));
3561 continue;
3562 }
3563
3564 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3565 GROUP_MAP *, entries + 1);
3566 if (!(*pp_rmap)) {
3567 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3568 "enlarge group map!\n"));
3569 return NT_STATUS_UNSUCCESSFUL;
3570 }
3571
3572 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3573
3574 entries += 1;
3575 }
3576
3577 ldapsam_endsamgrent(methods);
3578
3579 *p_num_entries = entries;
3580
3581 return NT_STATUS_OK;
3582 }
3583
3584 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3585 const struct dom_sid *alias,
3586 const struct dom_sid *member,
3587 int modop)
3588 {
3589 struct ldapsam_privates *ldap_state =
3590 (struct ldapsam_privates *)methods->private_data;
3591 char *dn = NULL;
3592 LDAPMessage *result = NULL;
3593 LDAPMessage *entry = NULL;
3594 int count;
3595 LDAPMod **mods = NULL;
3596 int rc;
3597 enum lsa_SidType type = SID_NAME_USE_NONE;
3598 struct dom_sid_buf tmp;
3599
3600 char *filter = NULL;
3601
3602 if (sid_check_is_in_builtin(alias)) {
3603 type = SID_NAME_ALIAS;
3604 }
3605
3606 if (sid_check_is_in_our_sam(alias)) {
3607 type = SID_NAME_ALIAS;
3608 }
3609
3610 if (type == SID_NAME_USE_NONE) {
3611 struct dom_sid_buf buf;
3612 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3613 dom_sid_str_buf(alias, &buf)));
3614 return NT_STATUS_NO_SUCH_ALIAS;
3615 }
3616
3617 if (asprintf(&filter,
3618 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3619 LDAP_OBJ_GROUPMAP,
3620 dom_sid_str_buf(alias, &tmp),
3621 type) < 0) {
3622 return NT_STATUS_NO_MEMORY;
3623 }
3624
3625 if (ldapsam_search_one_group(ldap_state, filter,
3626 &result) != LDAP_SUCCESS) {
3627 SAFE_FREE(filter);
3628 return NT_STATUS_NO_SUCH_ALIAS;
3629 }
3630
3631 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3632 result);
3633
3634 if (count < 1) {
3635 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3636 ldap_msgfree(result);
3637 SAFE_FREE(filter);
3638 return NT_STATUS_NO_SUCH_ALIAS;
3639 }
3640
3641 if (count > 1) {
3642 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3643 "filter %s: count=%d\n", filter, count));
3644 ldap_msgfree(result);
3645 SAFE_FREE(filter);
3646 return NT_STATUS_NO_SUCH_ALIAS;
3647 }
3648
3649 SAFE_FREE(filter);
3650
3651 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3652 result);
3653
3654 if (!entry) {
3655 ldap_msgfree(result);
3656 return NT_STATUS_UNSUCCESSFUL;
3657 }
3658
3659 dn = smbldap_talloc_dn(talloc_tos(),
3660 smbldap_get_ldap(ldap_state->smbldap_state),
3661 entry);
3662 if (!dn) {
3663 ldap_msgfree(result);
3664 return NT_STATUS_UNSUCCESSFUL;
3665 }
3666
3667 smbldap_set_mod(&mods, modop,
3668 get_attr_key2string(groupmap_attr_list,
3669 LDAP_ATTR_SID_LIST),
3670 dom_sid_str_buf(member, &tmp));
3671
3672 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3673
3674 ldap_mods_free(mods, True);
3675 ldap_msgfree(result);
3676 TALLOC_FREE(dn);
3677
3678 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3679 return NT_STATUS_MEMBER_IN_ALIAS;
3680 }
3681
3682 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3683 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3684 }
3685
3686 if (rc != LDAP_SUCCESS) {
3687 return NT_STATUS_UNSUCCESSFUL;
3688 }
3689
3690 return NT_STATUS_OK;
3691 }
3692
3693 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3694 const struct dom_sid *alias,
3695 const struct dom_sid *member)
3696 {
3697 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3698 }
3699
3700 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3701 const struct dom_sid *alias,
3702 const struct dom_sid *member)
3703 {
3704 return ldapsam_modify_aliasmem(methods, alias, member,
3705 LDAP_MOD_DELETE);
3706 }
3707
3708 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3709 const struct dom_sid *alias,
3710 TALLOC_CTX *mem_ctx,
3711 struct dom_sid **pp_members,
3712 size_t *p_num_members)
3713 {
3714 struct ldapsam_privates *ldap_state =
3715 (struct ldapsam_privates *)methods->private_data;
3716 LDAPMessage *result = NULL;
3717 LDAPMessage *entry = NULL;
3718 int count;
3719 char **values = NULL;
3720 int i;
3721 char *filter = NULL;
3722 uint32_t num_members = 0;
3723 enum lsa_SidType type = SID_NAME_USE_NONE;
3724 struct dom_sid_buf tmp;
3725
3726 *pp_members = NULL;
3727 *p_num_members = 0;
3728
3729 if (sid_check_is_in_builtin(alias)) {
3730 type = SID_NAME_ALIAS;
3731 }
3732
3733 if (sid_check_is_in_our_sam(alias)) {
3734 type = SID_NAME_ALIAS;
3735 }
3736
3737 if (type == SID_NAME_USE_NONE) {
3738 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3739 dom_sid_str_buf(alias, &tmp)));
3740 return NT_STATUS_NO_SUCH_ALIAS;
3741 }
3742
3743 if (asprintf(&filter,
3744 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3745 LDAP_OBJ_GROUPMAP,
3746 dom_sid_str_buf(alias, &tmp),
3747 type) < 0) {
3748 return NT_STATUS_NO_MEMORY;
3749 }
3750
3751 if (ldapsam_search_one_group(ldap_state, filter,
3752 &result) != LDAP_SUCCESS) {
3753 SAFE_FREE(filter);
3754 return NT_STATUS_NO_SUCH_ALIAS;
3755 }
3756
3757 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3758 result);
3759
3760 if (count < 1) {
3761 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3762 ldap_msgfree(result);
3763 SAFE_FREE(filter);
3764 return NT_STATUS_NO_SUCH_ALIAS;
3765 }
3766
3767 if (count > 1) {
3768 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3769 "filter %s: count=%d\n", filter, count));
3770 ldap_msgfree(result);
3771 SAFE_FREE(filter);
3772 return NT_STATUS_NO_SUCH_ALIAS;
3773 }
3774
3775 SAFE_FREE(filter);
3776
3777 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3778 result);
3779
3780 if (!entry) {
3781 ldap_msgfree(result);
3782 return NT_STATUS_UNSUCCESSFUL;
3783 }
3784
3785 values = ldap_get_values(smbldap_get_ldap(ldap_state->smbldap_state),
3786 entry,
3787 get_attr_key2string(groupmap_attr_list,
3788 LDAP_ATTR_SID_LIST));
3789
3790 if (values == NULL) {
3791 ldap_msgfree(result);
3792 return NT_STATUS_OK;
3793 }
3794
3795 count = ldap_count_values(values);
3796
3797 for (i=0; i<count; i++) {
3798 struct dom_sid member;
3799 NTSTATUS status;
3800
3801 if (!string_to_sid(&member, values[i]))
3802 continue;
3803
3804 status = add_sid_to_array(mem_ctx, &member, pp_members,
3805 &num_members);
3806 if (!NT_STATUS_IS_OK(status)) {
3807 ldap_value_free(values);
3808 ldap_msgfree(result);
3809 return status;
3810 }
3811 }
3812
3813 *p_num_members = num_members;
3814 ldap_value_free(values);
3815 ldap_msgfree(result);
3816
3817 return NT_STATUS_OK;
3818 }
3819
3820 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3821 TALLOC_CTX *mem_ctx,
3822 const struct dom_sid *domain_sid,
3823 const struct dom_sid *members,
3824 size_t num_members,
3825 uint32_t **pp_alias_rids,
3826 size_t *p_num_alias_rids)
3827 {
3828 struct ldapsam_privates *ldap_state =
3829 (struct ldapsam_privates *)methods->private_data;
3830 LDAP *ldap_struct;
3831
3832 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3833
3834 LDAPMessage *result = NULL;
3835 LDAPMessage *entry = NULL;
3836 int i;
3837 int rc;
3838 char *filter;
3839 enum lsa_SidType type = SID_NAME_USE_NONE;
3840 bool is_builtin = false;
3841 bool sid_added = false;
3842
3843 *pp_alias_rids = NULL;
3844 *p_num_alias_rids = 0;
3845
3846 if (sid_check_is_builtin(domain_sid)) {
3847 is_builtin = true;
3848 type = SID_NAME_ALIAS;
3849 }
3850
3851 if (sid_check_is_our_sam(domain_sid)) {
3852 type = SID_NAME_ALIAS;
3853 }
3854
3855 if (type == SID_NAME_USE_NONE) {
3856 struct dom_sid_buf buf;
3857 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3858 dom_sid_str_buf(domain_sid, &buf)));
3859 return NT_STATUS_UNSUCCESSFUL;
3860 }
3861
3862 if (num_members == 0) {
3863 return NT_STATUS_OK;
3864 }
3865
3866 filter = talloc_asprintf(mem_ctx,
3867 "(&(objectclass="LDAP_OBJ_GROUPMAP")(sambaGroupType=%d)(|",
3868 type);
3869
3870 for (i=0; i<num_members; i++) {
3871 struct dom_sid_buf buf;
3872 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3873 filter,
3874 dom_sid_str_buf(&members[i], &buf));
3875 }
3876
3877 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3878
3879 if (filter == NULL) {
3880 return NT_STATUS_NO_MEMORY;
3881 }
3882
3883 if (is_builtin &&
3884 ldap_state->search_cache.filter &&
3885 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3886 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3887 result = ldap_state->search_cache.result;
3888 ldap_state->search_cache.result = NULL;
3889 } else {
3890 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3891 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3892 if (rc != LDAP_SUCCESS) {
3893 return NT_STATUS_UNSUCCESSFUL;
3894 }
3895 smbldap_talloc_autofree_ldapmsg(filter, result);
3896 }
3897
3898 ldap_struct = smbldap_get_ldap(ldap_state->smbldap_state);
3899
3900 for (entry = ldap_first_entry(ldap_struct, result);
3901 entry != NULL;
3902 entry = ldap_next_entry(ldap_struct, entry))
3903 {
3904 fstring sid_str;
3905 struct dom_sid sid;
3906 uint32_t rid;
3907
3908 if (!smbldap_get_single_attribute(ldap_struct, entry,
3909 LDAP_ATTRIBUTE_SID,
3910 sid_str,
3911 sizeof(sid_str)-1))
3912 continue;
3913
3914 if (!string_to_sid(&sid, sid_str))
3915 continue;
3916
3917 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3918 continue;
3919
3920 sid_added = true;
3921
3922 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3923 p_num_alias_rids)) {
3924 return NT_STATUS_NO_MEMORY;
3925 }
3926 }
3927
3928 if (!is_builtin && !sid_added) {
3929 TALLOC_FREE(ldap_state->search_cache.filter);
3930 /*
3931 * Note: result is a talloc child of filter because of the
3932 * smbldap_talloc_autofree_ldapmsg() usage
3933 */
3934 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3935 ldap_state->search_cache.result = result;
3936 }
3937
3938 return NT_STATUS_OK;
3939 }
3940
3941 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3942 enum pdb_policy_type type,
3943 uint32_t value)
3944 {
3945 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3946 int rc;
3947 LDAPMod **mods = NULL;
3948 fstring value_string;
3949 const char *policy_attr = NULL;
3950
3951 struct ldapsam_privates *ldap_state =
3952 (struct ldapsam_privates *)methods->private_data;
3953
3954 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3955
3956 if (!ldap_state->domain_dn) {
3957 return NT_STATUS_INVALID_PARAMETER;
3958 }
3959
3960 policy_attr = get_account_policy_attr(type);
3961 if (policy_attr == NULL) {
3962 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3963 "policy\n"));
3964 return ntstatus;
3965 }
3966
3967 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3968
3969 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3970
3971 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3972 mods);
3973
3974 ldap_mods_free(mods, True);
3975
3976 if (rc != LDAP_SUCCESS) {
3977 return ntstatus;
3978 }
3979
3980 if (!cache_account_policy_set(type, value)) {
3981 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3982 "update local tdb cache\n"));
3983 return ntstatus;
3984 }
3985
3986 return NT_STATUS_OK;
3987 }
3988
3989 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3990 enum pdb_policy_type type,
3991 uint32_t value)
3992 {
3993 return ldapsam_set_account_policy_in_ldap(methods, type,
3994 value);
3995 }
3996
3997 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3998 enum pdb_policy_type type,
3999 uint32_t *value)
4000 {
4001 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4002 LDAPMessage *result = NULL;
4003 LDAPMessage *entry = NULL;
4004 int count;
4005 int rc;
4006 char **vals = NULL;
4007 const char *filter;
4008 const char *policy_attr = NULL;
4009
4010 struct ldapsam_privates *ldap_state =
4011 (struct ldapsam_privates *)methods->private_data;
4012
4013 const char *attrs[2];
4014
4015 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
4016
4017 if (!ldap_state->domain_dn) {
4018 return NT_STATUS_INVALID_PARAMETER;
4019 }
4020
4021 policy_attr = get_account_policy_attr(type);
4022 if (!policy_attr) {
4023 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
4024 "policy index: %d\n", type));
4025 return ntstatus;
4026 }
4027
4028 attrs[0] = policy_attr;
4029 attrs[1] = NULL;
4030
4031 filter = "(objectClass="LDAP_OBJ_DOMINFO")";
4032 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4033 LDAP_SCOPE_BASE, filter, attrs, 0,
4034 &result);
4035 if (rc != LDAP_SUCCESS) {
4036 return ntstatus;
4037 }
4038
4039 count = ldap_count_entries(priv2ld(ldap_state), result);
4040 if (count < 1) {
4041 goto out;
4042 }
4043
4044 entry = ldap_first_entry(priv2ld(ldap_state), result);
4045 if (entry == NULL) {
4046 goto out;
4047 }
4048
4049 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4050 if (vals == NULL) {
4051 goto out;
4052 }
4053
4054 *value = (uint32_t)atol(vals[0]);
4055
4056 ntstatus = NT_STATUS_OK;
4057
4058 out:
4059 if (vals)
4060 ldap_value_free(vals);
4061 ldap_msgfree(result);
4062
4063 return ntstatus;
4064 }
4065
4066 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4067
4068 - if user hasn't decided to use account policies inside LDAP just reuse the
4069 old tdb values
4070
4071 - if there is a valid cache entry, return that
4072 - if there is an LDAP entry, update cache and return
4073 - otherwise set to default, update cache and return
4074
4075 Guenther
4076 */
4077 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4078 enum pdb_policy_type type,
4079 uint32_t *value)
4080 {
4081 NTSTATUS ntstatus;
4082
4083 if (cache_account_policy_get(type, value)) {
4084 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4085 "cache\n"));
4086 return NT_STATUS_OK;
4087 }
4088
4089 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4090 value);
4091 if (NT_STATUS_IS_OK(ntstatus)) {
4092 goto update_cache;
4093 }
4094
4095 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4096 "ldap\n"));
4097
4098 #if 0
4099 /* should we automagically migrate old tdb value here ? */
4100 if (account_policy_get(type, value))
4101 goto update_ldap;
4102
4103 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4104 "default\n", type));
4105 #endif
4106
4107 if (!account_policy_get_default(type, value)) {
4108 return ntstatus;
4109 }
4110
4111 /* update_ldap: */
4112
4113 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4114 if (!NT_STATUS_IS_OK(ntstatus)) {
4115 return ntstatus;
4116 }
4117
4118 update_cache:
4119
4120 if (!cache_account_policy_set(type, *value)) {
4121 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4122 "tdb as a cache\n"));
4123 return NT_STATUS_UNSUCCESSFUL;
4124 }
4125
4126 return NT_STATUS_OK;
4127 }
4128
4129 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4130 const struct dom_sid *domain_sid,
4131 int num_rids,
4132 uint32_t *rids,
4133 const char **names,
4134 enum lsa_SidType *attrs)
4135 {
4136 struct ldapsam_privates *ldap_state =
4137 (struct ldapsam_privates *)methods->private_data;
4138 LDAPMessage *msg = NULL;
4139 LDAPMessage *entry;
4140 char *allsids = NULL;
4141 size_t i, num_mapped;
4142 int rc;
4143 NTSTATUS result = NT_STATUS_NO_MEMORY;
4144 TALLOC_CTX *mem_ctx;
4145 LDAP *ld;
4146 bool is_builtin;
4147
4148 mem_ctx = talloc_new(NULL);
4149 if (mem_ctx == NULL) {
4150 DEBUG(0, ("talloc_new failed\n"));
4151 goto done;
4152 }
4153
4154 if (!sid_check_is_builtin(domain_sid) &&
4155 !sid_check_is_our_sam(domain_sid)) {
4156 result = NT_STATUS_INVALID_PARAMETER;
4157 goto done;
4158 }
4159
4160 if (num_rids == 0) {
4161 result = NT_STATUS_NONE_MAPPED;
4162 goto done;
4163 }
4164
4165 for (i=0; i<num_rids; i++)
4166 attrs[i] = SID_NAME_UNKNOWN;
4167
4168 allsids = talloc_strdup(mem_ctx, "");
4169 if (allsids == NULL) {
4170 goto done;
4171 }
4172
4173 for (i=0; i<num_rids; i++) {
4174 struct dom_sid sid;
4175 struct dom_sid_buf buf;
4176 sid_compose(&sid, domain_sid, rids[i]);
4177 allsids = talloc_asprintf_append_buffer(
4178 allsids,
4179 "(sambaSid=%s)",
4180 dom_sid_str_buf(&sid, &buf));
4181 if (allsids == NULL) {
4182 goto done;
4183 }
4184 }
4185
4186 /* First look for users */
4187
4188 {
4189 char *filter;
4190 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4191
4192 filter = talloc_asprintf(
4193 mem_ctx, ("(&(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")(|%s))"),
4194 allsids);
4195
4196 if (filter == NULL) {
4197 goto done;
4198 }
4199
4200 rc = smbldap_search(ldap_state->smbldap_state,
4201 lp_ldap_user_suffix(talloc_tos()),
4202 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4203 &msg);
4204 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4205 }
4206
4207 if (rc != LDAP_SUCCESS)
4208 goto done;
4209
4210 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4211 num_mapped = 0;
4212
4213 for (entry = ldap_first_entry(ld, msg);
4214 entry != NULL;
4215 entry = ldap_next_entry(ld, entry)) {
4216 uint32_t rid;
4217 int rid_index;
4218 const char *name;
4219
4220 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4221 &rid)) {
4222 DEBUG(2, ("Could not find sid from ldap entry\n"));
4223 continue;
4224 }
4225
4226 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4227 names);
4228 if (name == NULL) {
4229 DEBUG(2, ("Could not retrieve uid attribute\n"));
4230 continue;
4231 }
4232
4233 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4234 if (rid == rids[rid_index])
4235 break;
4236 }
4237
4238 if (rid_index == num_rids) {
4239 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4240 continue;
4241 }
4242
4243 attrs[rid_index] = SID_NAME_USER;
4244 names[rid_index] = name;
4245 num_mapped += 1;
4246 }
4247
4248 if (num_mapped == num_rids) {
4249 /* No need to look for groups anymore -- we're done */
4250 result = NT_STATUS_OK;
4251 goto done;
4252 }
4253
4254 /* Same game for groups */
4255
4256 {
4257 char *filter;
4258 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4259 "sambaGroupType", NULL };
4260
4261 filter = talloc_asprintf(
4262 mem_ctx, "(&(objectClass="LDAP_OBJ_GROUPMAP")(|%s))",
4263 allsids);
4264 if (filter == NULL) {
4265 goto done;
4266 }
4267
4268 rc = smbldap_search(ldap_state->smbldap_state,
4269 lp_ldap_suffix(),
4270 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4271 &msg);
4272 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4273 }
4274
4275 if (rc != LDAP_SUCCESS)
4276 goto done;
4277
4278 /* ldap_struct might have changed due to a reconnect */
4279
4280 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4281
4282 /* For consistency checks, we already checked we're only domain or builtin */
4283
4284 is_builtin = sid_check_is_builtin(domain_sid);
4285
4286 for (entry = ldap_first_entry(ld, msg);
4287 entry != NULL;
4288 entry = ldap_next_entry(ld, entry))
4289 {
4290 uint32_t rid;
4291 int rid_index;
4292 const char *attr;
4293 enum lsa_SidType type;
4294 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4295
4296 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4297 mem_ctx);
4298 if (attr == NULL) {
4299 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4300 dn));
4301 continue;
4302 }
4303
4304 type = (enum lsa_SidType)atol(attr);
4305
4306 /* Consistency checks */
4307 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4308 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4309 (type != SID_NAME_DOM_GRP)))) {
4310 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4311 }
4312
4313 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4314 &rid)) {
4315 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4316 continue;
4317 }
4318
4319 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4320
4321 if (attr == NULL) {
4322 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4323 dn));
4324 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4325 }
4326
4327 if (attr == NULL) {
4328 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4329 dn));
4330 continue;
4331 }
4332
4333 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4334 if (rid == rids[rid_index])
4335 break;
4336 }
4337
4338 if (rid_index == num_rids) {
4339 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4340 continue;
4341 }
4342
4343 attrs[rid_index] = type;
4344 names[rid_index] = attr;
4345 num_mapped += 1;
4346 }
4347
4348 result = NT_STATUS_NONE_MAPPED;
4349
4350 if (num_mapped > 0)
4351 result = (num_mapped == num_rids) ?
4352 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4353 done:
4354 TALLOC_FREE(mem_ctx);
4355 return result;
4356 }
4357
4358 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4359 {
4360 char *filter = NULL;
4361 char *escaped = NULL;
4362 char *result = NULL;
4363
4364 if (asprintf(&filter, "(&%s(objectclass=%s))",
4365 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4366 goto done;
4367 }
4368
4369 escaped = escape_ldap_string(talloc_tos(), username);
4370 if (escaped == NULL) goto done;
4371
4372 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4373
4374 done:
4375 SAFE_FREE(filter);
4376 TALLOC_FREE(escaped);
4377
4378 return result;
4379 }
4380
4381 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4382 {
4383 int i, num = 0;
4384 va_list ap;
4385 const char **result;
4386
4387 va_start(ap, mem_ctx);
4388 while (va_arg(ap, const char *) != NULL)
4389 num += 1;
4390 va_end(ap);
4391
4392 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4393 return NULL;
4394 }
4395
4396 va_start(ap, mem_ctx);
4397 for (i=0; i<num; i++) {
4398 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4399 if (result[i] == NULL) {
4400 talloc_free(result);
4401 va_end(ap);
4402 return NULL;
4403 }
4404 }
4405 va_end(ap);
4406
4407 result[num] = NULL;
4408 return result;
4409 }
4410
4411 struct ldap_search_state {
4412 struct smbldap_state *connection;
4413
4414 uint32_t acct_flags;
4415 uint16_t group_type;
4416
4417 const char *base;
4418 int scope;
4419 const char *filter;
4420 const char **attrs;
4421 int attrsonly;
4422 void *pagedresults_cookie;
4423
4424 LDAPMessage *entries, *current_entry;
4425 bool (*ldap2displayentry)(struct ldap_search_state *state,
4426 TALLOC_CTX *mem_ctx,
4427 LDAP *ld, LDAPMessage *entry,
4428 struct samr_displayentry *result);
4429 };
4430
4431 static bool ldapsam_search_firstpage(struct pdb_search *search)
4432 {
4433 struct ldap_search_state *state =
4434 (struct ldap_search_state *)search->private_data;
4435 LDAP *ld;
4436 int rc = LDAP_OPERATIONS_ERROR;
4437
4438 state->entries = NULL;
4439
4440 if (smbldap_get_paged_results(state->connection)) {
4441 rc = smbldap_search_paged(state->connection, state->base,
4442 state->scope, state->filter,
4443 state->attrs, state->attrsonly,
4444 lp_ldap_page_size(), &state->entries,
4445 &state->pagedresults_cookie);
4446 }
4447
4448 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4449
4450 if (state->entries != NULL) {
4451 /* Left over from unsuccessful paged attempt */
4452 ldap_msgfree(state->entries);
4453 state->entries = NULL;
4454 }
4455
4456 rc = smbldap_search(state->connection, state->base,
4457 state->scope, state->filter, state->attrs,
4458 state->attrsonly, &state->entries);
4459
4460 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4461 return False;
4462
4463 /* Ok, the server was lying. It told us it could do paged
4464 * searches when it could not. */
4465 smbldap_set_paged_results(state->connection, false);
4466 }
4467
4468 ld = smbldap_get_ldap(state->connection);
4469 if ( ld == NULL) {
4470 DEBUG(5, ("Don't have an LDAP connection right after a "
4471 "search\n"));
4472 return False;
4473 }
4474 state->current_entry = ldap_first_entry(ld, state->entries);
4475
4476 return True;
4477 }
4478
4479 static bool ldapsam_search_nextpage(struct pdb_search *search)
4480 {
4481 struct ldap_search_state *state =
4482 (struct ldap_search_state *)search->private_data;
4483 int rc;
4484
4485 if (!smbldap_get_paged_results(state->connection)) {
4486 /* There is no next page when there are no paged results */
4487 return False;
4488 }
4489
4490 rc = smbldap_search_paged(state->connection, state->base,
4491 state->scope, state->filter, state->attrs,
4492 state->attrsonly, lp_ldap_page_size(),
4493 &state->entries,
4494 &state->pagedresults_cookie);
4495
4496 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4497 return False;
4498
4499 state->current_entry = ldap_first_entry(
4500 smbldap_get_ldap(state->connection), state->entries);
4501
4502 if (state->current_entry == NULL) {
4503 ldap_msgfree(state->entries);
4504 state->entries = NULL;
4505 return false;
4506 }
4507
4508 return True;
4509 }
4510
4511 static bool ldapsam_search_next_entry(struct pdb_search *search,
4512 struct samr_displayentry *entry)
4513 {
4514 struct ldap_search_state *state =
4515 (struct ldap_search_state *)search->private_data;
4516 bool result;
4517
4518 retry:
4519 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4520 return False;
4521
4522 if ((state->entries == NULL) &&
4523 !ldapsam_search_nextpage(search))
4524 return False;
4525
4526 if (state->current_entry == NULL) {
4527 return false;
4528 }
4529
4530 result = state->ldap2displayentry(state, search,
4531 smbldap_get_ldap(state->connection),
4532 state->current_entry, entry);
4533
4534 if (!result) {
4535 char *dn;
4536 dn = ldap_get_dn(smbldap_get_ldap(state->connection),
4537 state->current_entry);
4538 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4539 if (dn != NULL) ldap_memfree(dn);
4540 }
4541
4542 state->current_entry = ldap_next_entry(
4543 smbldap_get_ldap(state->connection), state->current_entry);
4544
4545 if (state->current_entry == NULL) {
4546 ldap_msgfree(state->entries);
4547 state->entries = NULL;
4548 }
4549
4550 if (!result) goto retry;
4551
4552 return True;
4553 }
4554
4555 static void ldapsam_search_end(struct pdb_search *search)
4556 {
4557 struct ldap_search_state *state =
4558 (struct ldap_search_state *)search->private_data;
4559 int rc;
4560
4561 if (state->pagedresults_cookie == NULL)
4562 return;
4563
4564 if (state->entries != NULL)
4565 ldap_msgfree(state->entries);
4566
4567 state->entries = NULL;
4568 state->current_entry = NULL;
4569
4570 if (!smbldap_get_paged_results(state->connection)) {
4571 return;
4572 }
4573
4574 /* Tell the LDAP server we're not interested in the rest anymore. */
4575
4576 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4577 state->filter, state->attrs,
4578 state->attrsonly, 0, &state->entries,
4579 &state->pagedresults_cookie);
4580
4581 if (rc != LDAP_SUCCESS)
4582 DEBUG(5, ("Could not end search properly\n"));
4583
4584 return;
4585 }
4586
4587 static bool ldapuser2displayentry(struct ldap_search_state *state,
4588 TALLOC_CTX *mem_ctx,
4589 LDAP *ld, LDAPMessage *entry,
4590 struct samr_displayentry *result)
4591 {
4592 char **vals;
4593 size_t converted_size;
4594 struct dom_sid sid;
4595 uint32_t acct_flags;
4596
4597 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4598 if ((vals == NULL) || (vals[0] == NULL)) {
4599 acct_flags = ACB_NORMAL;
4600 } else {
4601 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4602 ldap_value_free(vals);
4603 }
4604
4605 if ((state->acct_flags != 0) &&
4606 ((state->acct_flags & acct_flags) == 0))
4607 return False;
4608
4609 result->acct_flags = acct_flags;
4610 result->account_name = "";
4611 result->fullname = "";
4612 result->description = "";
4613
4614 vals = ldap_get_values(ld, entry, "uid");
4615 if ((vals == NULL) || (vals[0] == NULL)) {
4616 DEBUG(5, ("\"uid\" not found\n"));
4617 return False;
4618 }
4619 if (!pull_utf8_talloc(mem_ctx,
4620 discard_const_p(char *, &result->account_name),
4621 vals[0], &converted_size))
4622 {
4623 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s\n",
4624 strerror(errno)));
4625 }
4626
4627 ldap_value_free(vals);
4628
4629 vals = ldap_get_values(ld, entry, "displayName");
4630 if ((vals == NULL) || (vals[0] == NULL))
4631 DEBUG(8, ("\"displayName\" not found\n"));
4632 else if (!pull_utf8_talloc(mem_ctx,
4633 discard_const_p(char *, &result->fullname),
4634 vals[0], &converted_size))
4635 {
4636 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s\n",
4637 strerror(errno)));
4638 }
4639
4640 ldap_value_free(vals);
4641
4642 vals = ldap_get_values(ld, entry, "description");
4643 if ((vals == NULL) || (vals[0] == NULL))
4644 DEBUG(8, ("\"description\" not found\n"));
4645 else if (!pull_utf8_talloc(mem_ctx,
4646 discard_const_p(char *, &result->description),
4647 vals[0], &converted_size))
4648 {
4649 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s\n",
4650 strerror(errno)));
4651 }
4652
4653 ldap_value_free(vals);
4654
4655 if ((result->account_name == NULL) ||
4656 (result->fullname == NULL) ||
4657 (result->description == NULL)) {
4658 DEBUG(0, ("talloc failed\n"));
4659 return False;
4660 }
4661
4662 vals = ldap_get_values(ld, entry, "sambaSid");
4663 if ((vals == NULL) || (vals[0] == NULL)) {
4664 DEBUG(0, ("\"objectSid\" not found\n"));
4665 return False;
4666 }
4667
4668 if (!string_to_sid(&sid, vals[0])) {
4669 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4670 ldap_value_free(vals);
4671 return False;
4672 }
4673 ldap_value_free(vals);
4674
4675 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4676 struct dom_sid_buf buf;
4677 DEBUG(0, ("sid %s does not belong to our domain\n",
4678 dom_sid_str_buf(&sid, &buf)));
4679 return False;
4680 }
4681
4682 return True;
4683 }
4684
4685
4686 static bool ldapsam_search_users(struct pdb_methods *methods,
4687 struct pdb_search *search,
4688 uint32_t acct_flags)
4689 {
4690 struct ldapsam_privates *ldap_state =
4691 (struct ldapsam_privates *)methods->private_data;
4692 struct ldap_search_state *state;
4693
4694 state = talloc(search, struct ldap_search_state);
4695 if (state == NULL) {
4696 DEBUG(0, ("talloc failed\n"));
4697 return False;
4698 }
4699
4700 state->connection = ldap_state->smbldap_state;
4701
4702 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4703 state->base = lp_ldap_user_suffix(talloc_tos());
4704 else if ((acct_flags != 0) &&
4705 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4706 state->base = lp_ldap_machine_suffix(talloc_tos());
4707 else
4708 state->base = lp_ldap_suffix();
4709
4710 state->acct_flags = acct_flags;
4711 state->base = talloc_strdup(search, state->base);
4712 state->scope = LDAP_SCOPE_SUBTREE;
4713 state->filter = get_ldap_filter(search, "*");
4714 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4715 "displayName", "description",
4716 "sambaAcctFlags", NULL);
4717 state->attrsonly = 0;
4718 state->pagedresults_cookie = NULL;
4719 state->entries = NULL;
4720 state->ldap2displayentry = ldapuser2displayentry;
4721
4722 if ((state->filter == NULL) || (state->attrs == NULL)) {
4723 DEBUG(0, ("talloc failed\n"));
4724 return False;
4725 }
4726
4727 search->private_data = state;
4728 search->next_entry = ldapsam_search_next_entry;
4729 search->search_end = ldapsam_search_end;
4730
4731 return ldapsam_search_firstpage(search);
4732 }
4733
4734 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4735 TALLOC_CTX *mem_ctx,
4736 LDAP *ld, LDAPMessage *entry,
4737 struct samr_displayentry *result)
4738 {
4739 char **vals;
4740 size_t converted_size;
4741 struct dom_sid sid;
4742 uint16_t group_type;
4743
4744 result->account_name = "";
4745 result->fullname = "";
4746 result->description = "";
4747
4748
4749 vals = ldap_get_values(ld, entry, "sambaGroupType");
4750 if ((vals == NULL) || (vals[0] == NULL)) {
4751 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4752 if (vals != NULL) {
4753 ldap_value_free(vals);
4754 }
4755 return False;
4756 }
4757
4758 group_type = atoi(vals[0]);
4759
4760 if ((state->group_type != 0) &&
4761 ((state->group_type != group_type))) {
4762 ldap_value_free(vals);
4763 return False;
4764 }
4765
4766 ldap_value_free(vals);
4767
4768 /* display name is the NT group name */
4769
4770 vals = ldap_get_values(ld, entry, "displayName");
4771 if ((vals == NULL) || (vals[0] == NULL)) {
4772 DEBUG(8, ("\"displayName\" not found\n"));
4773
4774 /* fallback to the 'cn' attribute */
4775 vals = ldap_get_values(ld, entry, "cn");
4776 if ((vals == NULL) || (vals[0] == NULL)) {
4777 DEBUG(5, ("\"cn\" not found\n"));
4778 return False;
4779 }
4780 if (!pull_utf8_talloc(mem_ctx,
4781 discard_const_p(char *,
4782 &result->account_name),
4783 vals[0], &converted_size))
4784 {
4785 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4786 "failed: %s\n", strerror(errno)));
4787 }
4788 }
4789 else if (!pull_utf8_talloc(mem_ctx,
4790 discard_const_p(char *,
4791 &result->account_name),
4792 vals[0], &converted_size))
4793 {
4794 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s\n",
4795 strerror(errno)));
4796 }
4797
4798 ldap_value_free(vals);
4799
4800 vals = ldap_get_values(ld, entry, "description");
4801 if ((vals == NULL) || (vals[0] == NULL))
4802 DEBUG(8, ("\"description\" not found\n"));
4803 else if (!pull_utf8_talloc(mem_ctx,
4804 discard_const_p(char *, &result->description),
4805 vals[0], &converted_size))
4806 {
4807 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s\n",
4808 strerror(errno)));
4809 }
4810 ldap_value_free(vals);
4811
4812 if ((result->account_name == NULL) ||
4813 (result->fullname == NULL) ||
4814 (result->description == NULL)) {
4815 DEBUG(0, ("talloc failed\n"));
4816 return False;
4817 }
4818
4819 vals = ldap_get_values(ld, entry, "sambaSid");
4820 if ((vals == NULL) || (vals[0] == NULL)) {
4821 DEBUG(0, ("\"objectSid\" not found\n"));
4822 if (vals != NULL) {
4823 ldap_value_free(vals);
4824 }
4825 return False;
4826 }
4827
4828 if (!string_to_sid(&sid, vals[0])) {
4829 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4830 return False;
4831 }
4832
4833 ldap_value_free(vals);
4834
4835 switch (group_type) {
4836 case SID_NAME_DOM_GRP:
4837 case SID_NAME_ALIAS:
4838
4839 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4840 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4841 {
4842 struct dom_sid_buf buf;
4843 DEBUG(0, ("%s is not in our domain\n",
4844 dom_sid_str_buf(&sid, &buf)));
4845 return False;
4846 }
4847 break;
4848
4849 default:
4850 DEBUG(0,("unknown group type: %d\n", group_type));
4851 return False;
4852 }
4853
4854 result->acct_flags = 0;
4855
4856 return True;
4857 }
4858
4859 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4860 struct pdb_search *search,
4861 const struct dom_sid *sid,
4862 enum lsa_SidType type)
4863 {
4864 struct ldapsam_privates *ldap_state =
4865 (struct ldapsam_privates *)methods->private_data;
4866 struct ldap_search_state *state;
4867 struct dom_sid_buf tmp;
4868
4869 state = talloc(search, struct ldap_search_state);
4870 if (state == NULL) {
4871 DEBUG(0, ("talloc failed\n"));
4872 return False;
4873 }
4874
4875 state->connection = ldap_state->smbldap_state;
4876
4877 state->base = lp_ldap_suffix();
4878 state->connection = ldap_state->smbldap_state;
4879 state->scope = LDAP_SCOPE_SUBTREE;
4880 state->filter = talloc_asprintf(search, "(&(objectclass="LDAP_OBJ_GROUPMAP")"
4881 "(sambaGroupType=%d)(sambaSID=%s*))",
4882 type,
4883 dom_sid_str_buf(sid, &tmp));
4884 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4885 "displayName", "description",
4886 "sambaGroupType", NULL);
4887 state->attrsonly = 0;
4888 state->pagedresults_cookie = NULL;
4889 state->entries = NULL;
4890 state->group_type = type;
4891 state->ldap2displayentry = ldapgroup2displayentry;
4892
4893 if ((state->filter == NULL) || (state->attrs == NULL)) {
4894 DEBUG(0, ("talloc failed\n"));
4895 return False;
4896 }
4897
4898 search->private_data = state;
4899 search->next_entry = ldapsam_search_next_entry;
4900 search->search_end = ldapsam_search_end;
4901
4902 return ldapsam_search_firstpage(search);
4903 }
4904
4905 static bool ldapsam_search_groups(struct pdb_methods *methods,
4906 struct pdb_search *search)
4907 {
4908 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4909 }
4910
4911 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4912 struct pdb_search *search,
4913 const struct dom_sid *sid)
4914 {
4915 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4916 }
4917
4918 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4919 {
4920 return PDB_CAP_STORE_RIDS;
4921 }
4922
4923 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4924 uint32_t *rid)
4925 {
4926 struct smbldap_state *smbldap_state = priv->smbldap_state;
4927
4928 LDAPMessage *result = NULL;
4929 LDAPMessage *entry = NULL;
4930 LDAPMod **mods = NULL;
4931 NTSTATUS status;
4932 char *value;
4933 int rc;
4934 uint32_t nextRid = 0;
4935 const char *dn;
4936 uint32_t tmp;
4937 int error = 0;
4938
4939 TALLOC_CTX *mem_ctx;
4940
4941 mem_ctx = talloc_new(NULL);
4942 if (mem_ctx == NULL) {
4943 DEBUG(0, ("talloc_new failed\n"));
4944 return NT_STATUS_NO_MEMORY;
4945 }
4946
4947 status = smbldap_search_domain_info(smbldap_state, &result,
4948 get_global_sam_name(), False);
4949 if (!NT_STATUS_IS_OK(status)) {
4950 DEBUG(3, ("Could not get domain info: %s\n",
4951 nt_errstr(status)));
4952 goto done;
4953 }
4954
4955 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4956
4957 entry = ldap_first_entry(priv2ld(priv), result);
4958 if (entry == NULL) {
4959 DEBUG(0, ("Could not get domain info entry\n"));
4960 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4961 goto done;
4962 }
4963
4964 /* Find the largest of the three attributes "sambaNextRid",
4965 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4966 concept of differentiating between user and group rids, and will
4967 use only "sambaNextRid" in the future. But for compatibility
4968 reasons I look if others have chosen different strategies -- VL */
4969
4970 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4971 "sambaNextRid", mem_ctx);
4972 if (value != NULL) {
4973 tmp = (uint32_t)smb_strtoul(value,
4974 NULL,
4975 10,
4976 &error,
4977 SMB_STR_STANDARD);
4978 if (error != 0) {
4979 goto done;
4980 }
4981
4982 nextRid = MAX(nextRid, tmp);
4983 }
4984
4985 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4986 "sambaNextUserRid", mem_ctx);
4987 if (value != NULL) {
4988 tmp = (uint32_t)smb_strtoul(value,
4989 NULL,
4990 10,
4991 &error,
4992 SMB_STR_STANDARD);
4993 if (error != 0) {
4994 goto done;
4995 }
4996
4997 nextRid = MAX(nextRid, tmp);
4998 }
4999
5000 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5001 "sambaNextGroupRid", mem_ctx);
5002 if (value != NULL) {
5003 tmp = (uint32_t)smb_strtoul(value,
5004 NULL,
5005 10,
5006 &error,
5007 SMB_STR_STANDARD);
5008 if (error != 0) {
5009 goto done;
5010 }
5011
5012 nextRid = MAX(nextRid, tmp);
5013 }
5014
5015 if (nextRid == 0) {
5016 nextRid = BASE_RID-1;
5017 }
5018
5019 nextRid += 1;
5020
5021 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
5022 talloc_asprintf(mem_ctx, "%d", nextRid));
5023 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
5024
5025 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
5026 status = NT_STATUS_NO_MEMORY;
5027 goto done;
5028 }
5029
5030 rc = smbldap_modify(smbldap_state, dn, mods);
5031
5032 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
5033 * please retry" */
5034
5035 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
5036
5037 done:
5038 if (NT_STATUS_IS_OK(status)) {
5039 *rid = nextRid;
5040 }
5041
5042 TALLOC_FREE(mem_ctx);
5043 return status;
5044 }
5045
5046 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
5047 {
5048 int i;
5049
5050 for (i=0; i<10; i++) {
5051 NTSTATUS result = ldapsam_get_new_rid(
5052 (struct ldapsam_privates *)methods->private_data, rid);
5053 if (NT_STATUS_IS_OK(result)) {
5054 return result;
5055 }
5056
5057 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
5058 return result;
5059 }
5060
5061 /* The ldap update failed (maybe a race condition), retry */
5062 }
5063
5064 /* Tried 10 times, fail. */
5065 return NT_STATUS_ACCESS_DENIED;
5066 }
5067
5068 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
5069 {
5070 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5071 return NT_STATUS_IS_OK(result) ? True : False;
5072 }
5073
5074 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5075 const struct dom_sid *sid,
5076 struct unixid *id)
5077 {
5078 struct ldapsam_privates *priv =
5079 (struct ldapsam_privates *)methods->private_data;
5080 char *filter;
5081 int error = 0;
5082 struct dom_sid_buf buf;
5083 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5084 NULL };
5085 LDAPMessage *result = NULL;
5086 LDAPMessage *entry = NULL;
5087 bool ret = False;
5088 char *value;
5089 int rc;
5090
5091 TALLOC_CTX *mem_ctx;
5092
5093 ret = pdb_sid_to_id_unix_users_and_groups(sid, id);
5094 if (ret == true) {
5095 return true;
5096 }
5097
5098 mem_ctx = talloc_new(NULL);
5099 if (mem_ctx == NULL) {
5100 DEBUG(0, ("talloc_new failed\n"));
5101 return False;
5102 }
5103
5104 filter = talloc_asprintf(mem_ctx,
5105 "(&(sambaSid=%s)"
5106 "(|(objectClass="LDAP_OBJ_GROUPMAP")(objectClass="LDAP_OBJ_SAMBASAMACCOUNT")))",
5107 dom_sid_str_buf(sid, &buf));
5108 if (filter == NULL) {
5109 DEBUG(5, ("talloc_asprintf failed\n"));
5110 goto done;
5111 }
5112
5113 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5114 attrs, &result);
5115 if (rc != LDAP_SUCCESS) {
5116 goto done;
5117 }
5118 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
5119
5120 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5121 DEBUG(10, ("Got %d entries, expected one\n",
5122 ldap_count_entries(priv2ld(priv), result)));
5123 goto done;
5124 }
5125
5126 entry = ldap_first_entry(priv2ld(priv), result);
5127
5128 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5129 "sambaGroupType", mem_ctx);
5130
5131 if (value != NULL) {
5132 const char *gid_str;
5133 /* It's a group */
5134
5135 gid_str = smbldap_talloc_single_attribute(
5136 priv2ld(priv), entry, "gidNumber", mem_ctx);
5137 if (gid_str == NULL) {
5138 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5139 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5140 entry)));
5141 goto done;
5142 }
5143
5144 id->id = smb_strtoul(gid_str,
5145 NULL,
5146 10,
5147 &error,
5148 SMB_STR_STANDARD);
5149 if (error != 0) {
5150 goto done;
5151 }
5152
5153 id->type = ID_TYPE_GID;
5154 ret = True;
5155 goto done;
5156 }
5157
5158 /* It must be a user */
5159
5160 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5161 "uidNumber", mem_ctx);
5162 if (value == NULL) {
5163 DEBUG(1, ("Could not find uidNumber in %s\n",
5164 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5165 goto done;
5166 }
5167
5168 id->id = smb_strtoul(value, NULL, 10, &error, SMB_STR_STANDARD);
5169 if (error != 0) {
5170 goto done;
5171 }
5172
5173 id->type = ID_TYPE_UID;
5174 ret = True;
5175 done:
5176 TALLOC_FREE(mem_ctx);
5177 return ret;
5178 }
5179
5180 /**
5181 * Find the SID for a uid.
5182 * This is shortcut is only used if ldapsam:trusted is set to true.
5183 */
5184 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5185 struct dom_sid *sid)
5186 {
5187 struct ldapsam_privates *priv =
5188 (struct ldapsam_privates *)methods->private_data;
5189 char *filter;
5190 const char *attrs[] = { "sambaSID", NULL };
5191 LDAPMessage *result = NULL;
5192 LDAPMessage *entry = NULL;
5193 bool ret = false;
5194 char *user_sid_string;
5195 struct dom_sid user_sid;
5196 int rc;
5197 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5198
5199 filter = talloc_asprintf(tmp_ctx,
5200 "(&(uidNumber=%u)"
5201 "(objectClass="LDAP_OBJ_POSIXACCOUNT")"
5202 "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
5203 (unsigned int)uid);
5204 if (filter == NULL) {
5205 DEBUG(3, ("talloc_asprintf failed\n"));
5206 goto done;
5207 }
5208
5209 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5210 if (rc != LDAP_SUCCESS) {
5211 goto done;
5212 }
5213 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5214
5215 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5216 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5217 ldap_count_entries(priv2ld(priv), result),
5218 (unsigned int)uid));
5219 goto done;
5220 }
5221
5222 entry = ldap_first_entry(priv2ld(priv), result);
5223
5224 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5225 "sambaSID", tmp_ctx);
5226 if (user_sid_string == NULL) {
5227 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5228 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5229 goto done;
5230 }
5231
5232 if (!string_to_sid(&user_sid, user_sid_string)) {
5233 DEBUG(3, ("Error calling string_to_sid for sid '%s'\n",
5234 user_sid_string));
5235 goto done;
5236 }
5237
5238 sid_copy(sid, &user_sid);
5239
5240 ret = true;
5241
5242 done:
5243 TALLOC_FREE(tmp_ctx);
5244 return ret;
5245 }
5246
5247 /**
5248 * Find the SID for a gid.
5249 * This is shortcut is only used if ldapsam:trusted is set to true.
5250 */
5251 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5252 struct dom_sid *sid)
5253 {
5254 struct ldapsam_privates *priv =
5255 (struct ldapsam_privates *)methods->private_data;
5256 char *filter;
5257 const char *attrs[] = { "sambaSID", NULL };
5258 LDAPMessage *result = NULL;
5259 LDAPMessage *entry = NULL;
5260 bool ret = false;
5261 char *group_sid_string;
5262 struct dom_sid group_sid;
5263 int rc;
5264 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5265
5266 filter = talloc_asprintf(tmp_ctx,
5267 "(&(gidNumber=%u)"
5268 "(objectClass="LDAP_OBJ_GROUPMAP"))",
5269 (unsigned int)gid);
5270 if (filter == NULL) {
5271 DEBUG(3, ("talloc_asprintf failed\n"));
5272 goto done;
5273 }
5274
5275 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5276 if (rc != LDAP_SUCCESS) {
5277 goto done;
5278 }
5279 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5280
5281 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5282 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5283 ldap_count_entries(priv2ld(priv), result),
5284 (unsigned int)gid));
5285 goto done;
5286 }
5287
5288 entry = ldap_first_entry(priv2ld(priv), result);
5289
5290 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5291 "sambaSID", tmp_ctx);
5292 if (group_sid_string == NULL) {
5293 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5294 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5295 goto done;
5296 }
5297
5298 if (!string_to_sid(&group_sid, group_sid_string)) {
5299 DEBUG(3, ("Error calling string_to_sid for sid '%s'\n",
5300 group_sid_string));
5301 goto done;
5302 }
5303
5304 sid_copy(sid, &group_sid);
5305
5306 ret = true;
5307
5308 done:
5309 TALLOC_FREE(tmp_ctx);
5310 return ret;
5311 }
5312
5313 static bool ldapsam_id_to_sid(struct pdb_methods *methods, struct unixid *id,
5314 struct dom_sid *sid)
5315 {
5316 switch (id->type) {
5317 case ID_TYPE_UID:
5318 return ldapsam_uid_to_sid(methods, id->id, sid);
5319
5320 case ID_TYPE_GID:
5321 return ldapsam_gid_to_sid(methods, id->id, sid);
5322
5323 default:
5324 return false;
5325 }
5326 }
5327
5328
5329 /*
5330 * The following functions are called only if
5331 * ldapsam:trusted and ldapsam:editposix are
5332 * set to true
5333 */
5334
5335 /*
5336 * ldapsam_create_user creates a new
5337 * posixAccount and sambaSamAccount object
5338 * in the ldap users subtree
5339 *
5340 * The uid is allocated by winbindd.
5341 */
5342
5343 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5344 TALLOC_CTX *tmp_ctx, const char *name,
5345 uint32_t acb_info, uint32_t *rid)
5346 {
5347 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5348 LDAPMessage *entry = NULL;
5349 LDAPMessage *result = NULL;
5350 uint32_t num_result;
5351 bool is_machine = False;
5352 bool add_posix = False;
5353 bool init_okay = False;
5354 LDAPMod **mods = NULL;
5355 struct samu *user;
5356 char *filter;
5357 char *username;
5358 char *homedir;
5359 char *gidstr;
5360 char *uidstr;
5361 char *shell;
5362 const char *dn = NULL;
5363 struct dom_sid group_sid;
5364 struct dom_sid user_sid;
5365 gid_t gid = -1;
5366 uid_t uid = -1;
5367 NTSTATUS ret;
5368 int rc;
5369
5370 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5371 acb_info & ACB_WSTRUST ||
5372 acb_info & ACB_SVRTRUST ||
5373 acb_info & ACB_DOMTRUST) {
5374 is_machine = True;
5375 }
5376
5377 username = escape_ldap_string(talloc_tos(), name);
5378 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass="LDAP_OBJ_POSIXACCOUNT"))",
5379 username);
5380 TALLOC_FREE(username);
5381
5382 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5383 if (rc != LDAP_SUCCESS) {
5384 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5385 return NT_STATUS_ACCESS_DENIED;
5386 }
5387 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5388
5389 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5390
5391 if (num_result > 1) {
5392 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5393 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5394 }
5395
5396 if (num_result == 1) {
5397 char *tmp;
5398 /* check if it is just a posix account.
5399 * or if there is a sid attached to this entry
5400 */
5401
5402 entry = ldap_first_entry(priv2ld(ldap_state), result);
5403 if (!entry) {
5404 return NT_STATUS_UNSUCCESSFUL;
5405 }
5406
5407 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5408 if (tmp) {
5409 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5410 return NT_STATUS_USER_EXISTS;
5411 }
5412
5413 /* it is just a posix account, retrieve the dn for later use */
5414 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5415 if (!dn) {
5416 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5417 return NT_STATUS_NO_MEMORY;
5418 }
5419 }
5420
5421 if (num_result == 0) {
5422 add_posix = True;
5423 }
5424
5425 /* Create the basic samu structure and generate the mods for the ldap commit */
5426 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5427 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5428 return ret;
5429 }
5430
5431 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5432
5433 user = samu_new(tmp_ctx);
5434 if (!user) {
5435 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5436 return NT_STATUS_NO_MEMORY;
5437 }
5438
5439 if (!pdb_set_username(user, name, PDB_SET)) {
5440 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5441 return NT_STATUS_UNSUCCESSFUL;
5442 }
5443 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5444 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5445 return NT_STATUS_UNSUCCESSFUL;
5446 }
5447 if (is_machine) {
5448 if (acb_info & ACB_NORMAL) {
5449 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5450 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5451 return NT_STATUS_UNSUCCESSFUL;
5452 }
5453 } else {
5454 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5455 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5456 return NT_STATUS_UNSUCCESSFUL;
5457 }
5458 }
5459 } else {
5460 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5461 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5462 return NT_STATUS_UNSUCCESSFUL;
5463 }
5464 }
5465
5466 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5467 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5468 return NT_STATUS_UNSUCCESSFUL;
5469 }
5470
5471 init_okay = init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed);
5472
5473 if (!init_okay) {
5474 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5475 ldap_mods_free(mods, true);
5476 return NT_STATUS_UNSUCCESSFUL;
5477 }
5478
5479 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5480 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5481 }
5482 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5483
5484 if (add_posix) {
5485 char *escape_name;
5486
5487 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5488
5489 /* retrieve the Domain Users group gid */
5490 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5491 !sid_to_gid(&group_sid, &gid)) {
5492 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5493 ldap_mods_free(mods, true);
5494 return NT_STATUS_INVALID_PRIMARY_GROUP;
5495 }
5496
5497 /* lets allocate a new userid for this user */
5498 if (!winbind_allocate_uid(&uid)) {
5499 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5500 ldap_mods_free(mods, true);
5501 return NT_STATUS_UNSUCCESSFUL;
5502 }
5503
5504
5505 if (is_machine) {
5506 /* TODO: choose a more appropriate default for machines */
5507 homedir = talloc_sub_specified(tmp_ctx,
5508 lp_template_homedir(),
5509 "SMB_workstations_home",
5510 NULL,
5511 ldap_state->domain_name,
5512 uid,
5513 gid);
5514 shell = talloc_strdup(tmp_ctx, "/bin/false");
5515 } else {
5516 homedir = talloc_sub_specified(tmp_ctx,
5517 lp_template_homedir(),
5518 name,
5519 NULL,
5520 ldap_state->domain_name,
5521 uid,
5522 gid);
5523 shell = talloc_sub_specified(tmp_ctx,
5524 lp_template_shell(),
5525 name,
5526 NULL,
5527 ldap_state->domain_name,
5528 uid,
5529 gid);
5530 }
5531 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5532 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5533
5534 escape_name = escape_rdn_val_string_alloc(name);
5535 if (!escape_name) {
5536 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5537 ldap_mods_free(mods, true);
5538 return NT_STATUS_NO_MEMORY;
5539 }
5540
5541 if (is_machine) {
5542 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5543 } else {
5544 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5545 }
5546
5547 SAFE_FREE(escape_name);
5548
5549 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5550 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5551 ldap_mods_free(mods, true);
5552 return NT_STATUS_NO_MEMORY;
5553 }
5554
5555 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5556 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5557 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5558 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5559 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5560 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5561 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5562 }
5563
5564 if (add_posix) {
5565 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5566 } else {
5567 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5568 }
5569
5570 ldap_mods_free(mods, true);
5571
5572 if (rc != LDAP_SUCCESS) {
5573 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5574 return NT_STATUS_UNSUCCESSFUL;
5575 }
5576
5577 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5578
5579 flush_pwnam_cache();
5580
5581 return NT_STATUS_OK;
5582 }
5583
5584 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5585 {
5586 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5587 LDAPMessage *result = NULL;
5588 LDAPMessage *entry = NULL;
5589 int num_result;
5590 const char *dn;
5591 char *filter;
5592 int rc;
5593
5594 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5595
5596 filter = talloc_asprintf(tmp_ctx,
5597 "(&(uid=%s)"
5598 "(objectClass="LDAP_OBJ_POSIXACCOUNT")"
5599 "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
5600 pdb_get_username(sam_acct));
5601 if (filter == NULL) {
5602 return NT_STATUS_NO_MEMORY;
5603 }
5604
5605 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5606 if (rc != LDAP_SUCCESS) {
5607 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5608 return NT_STATUS_UNSUCCESSFUL;
5609 }
5610 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5611
5612 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5613
5614 if (num_result == 0) {
5615 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5616 return NT_STATUS_NO_SUCH_USER;
5617 }
5618
5619 if (num_result > 1) {
5620 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5621 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5622 }
5623
5624 entry = ldap_first_entry(priv2ld(ldap_state), result);
5625 if (!entry) {
5626 return NT_STATUS_UNSUCCESSFUL;
5627 }
5628
5629 /* it is just a posix account, retrieve the dn for later use */
5630 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5631 if (!dn) {
5632 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5633 return NT_STATUS_NO_MEMORY;
5634 }
5635
5636 /* try to remove memberships first */
5637 {
5638 NTSTATUS status;
5639 struct dom_sid *sids = NULL;
5640 gid_t *gids = NULL;
5641 uint32_t num_groups = 0;
5642 int i;
5643 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5644
5645 status = ldapsam_enum_group_memberships(my_methods,
5646 tmp_ctx,
5647 sam_acct,
5648 &sids,
5649 &gids,
5650 &num_groups);
5651 if (!NT_STATUS_IS_OK(status)) {
5652 goto delete_dn;
5653 }
5654
5655 for (i=0; i < num_groups; i++) {
5656
5657 uint32_t group_rid;
5658
5659 sid_peek_rid(&sids[i], &group_rid);
5660
5661 ldapsam_del_groupmem(my_methods,
5662 tmp_ctx,
5663 group_rid,
5664 user_rid);
5665 }
5666 }
5667
5668 delete_dn:
5669
5670 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5671 if (rc != LDAP_SUCCESS) {
5672 return NT_STATUS_UNSUCCESSFUL;
5673 }
5674
5675 flush_pwnam_cache();
5676
5677 return NT_STATUS_OK;
5678 }
5679
5680 /*
5681 * ldapsam_create_group creates a new
5682 * posixGroup and sambaGroupMapping object
5683 * in the ldap groups subtree
5684 *
5685 * The gid is allocated by winbindd.
5686 */
5687
5688 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5689 TALLOC_CTX *tmp_ctx,
5690 const char *name,
5691 uint32_t *rid)
5692 {
5693 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5694 NTSTATUS ret;
5695 LDAPMessage *entry = NULL;
5696 LDAPMessage *result = NULL;
5697 uint32_t num_result;
5698 bool is_new_entry = False;
5699 LDAPMod **mods = NULL;
5700 char *filter;
5701 char *groupname;
5702 const char *grouptype;
5703 char *gidstr;
5704 const char *dn = NULL;
5705 struct dom_sid group_sid;
5706 struct dom_sid_buf buf;
5707 gid_t gid = -1;
5708 int rc;
5709 int error = 0;
5710
5711 groupname = escape_ldap_string(talloc_tos(), name);
5712 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass="LDAP_OBJ_POSIXGROUP"))",
5713 groupname);
5714 TALLOC_FREE(groupname);
5715
5716 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5717 if (rc != LDAP_SUCCESS) {
5718 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5719 return NT_STATUS_UNSUCCESSFUL;
5720 }
5721 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5722
5723 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5724
5725 if (num_result > 1) {
5726 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5727 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5728 }
5729
5730 if (num_result == 1) {
5731 char *tmp;
5732 /* check if it is just a posix group.
5733 * or if there is a sid attached to this entry
5734 */
5735
5736 entry = ldap_first_entry(priv2ld(ldap_state), result);
5737 if (!entry) {
5738 return NT_STATUS_UNSUCCESSFUL;
5739 }
5740
5741 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5742 if (tmp) {
5743 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5744 return NT_STATUS_GROUP_EXISTS;
5745 }
5746
5747 /* it is just a posix group, retrieve the gid and the dn for later use */
5748 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5749 if (!tmp) {
5750 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5751 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5752 }
5753
5754 gid = smb_strtoul(tmp, NULL, 10, &error, SMB_STR_STANDARD);
5755 if (error != 0) {
5756 DBG_ERR("Failed to convert gidNumber\n");
5757 return NT_STATUS_UNSUCCESSFUL;
5758 }
5759
5760 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5761 if (!dn) {
5762 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5763 return NT_STATUS_NO_MEMORY;
5764 }
5765 }
5766
5767 if (num_result == 0) {
5768 is_new_entry = true;
5769 }
5770
5771 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5772 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5773 return ret;
5774 }
5775
5776 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5777
5778 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5779
5780 if (!grouptype) {
5781 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5782 return NT_STATUS_NO_MEMORY;
5783 }
5784
5785 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5786 smbldap_set_mod(&mods,
5787 LDAP_MOD_ADD,
5788 "sambaSid",
5789 dom_sid_str_buf(&group_sid, &buf));
5790 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5791 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5792
5793 if (is_new_entry) {
5794 char *escape_name;
5795
5796 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5797
5798 /* lets allocate a new groupid for this group */
5799 if (!winbind_allocate_gid(&gid)) {
5800 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5801 return NT_STATUS_UNSUCCESSFUL;
5802 }
5803
5804 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5805
5806 escape_name = escape_rdn_val_string_alloc(name);
5807 if (!escape_name) {
5808 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5809 return NT_STATUS_NO_MEMORY;
5810 }
5811
5812 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5813
5814 SAFE_FREE(escape_name);
5815
5816 if (!gidstr || !dn) {
5817 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5818 return NT_STATUS_NO_MEMORY;
5819 }
5820
5821 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5822 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5823 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5824 }
5825
5826 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5827
5828 if (is_new_entry) {
5829 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5830 #if 0
5831 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5832 /* This call may fail with rfc2307bis schema */
5833 /* Retry adding a structural class */
5834 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5835 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5836 }
5837 #endif
5838 } else {
5839 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5840 }
5841
5842 if (rc != LDAP_SUCCESS) {
5843 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5844 return NT_STATUS_UNSUCCESSFUL;
5845 }
5846
5847 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5848
5849 return NT_STATUS_OK;
5850 }
5851
5852 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5853 {
5854 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5855 LDAPMessage *result = NULL;
5856 LDAPMessage *entry = NULL;
5857 int num_result;
5858 const char *dn;
5859 char *gidstr;
5860 char *filter;
5861 struct dom_sid group_sid;
5862 struct dom_sid_buf buf;
5863 int rc;
5864
5865 /* get the group sid */
5866 sid_compose(&group_sid, get_global_sam_sid(), rid);
5867
5868 filter = talloc_asprintf(tmp_ctx,
5869 "(&(sambaSID=%s)"
5870 "(objectClass="LDAP_OBJ_POSIXGROUP")"
5871 "(objectClass="LDAP_OBJ_GROUPMAP"))",
5872 dom_sid_str_buf(&group_sid, &buf));
5873 if (filter == NULL) {
5874 return NT_STATUS_NO_MEMORY;
5875 }
5876
5877 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5878 if (rc != LDAP_SUCCESS) {
5879 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5880 return NT_STATUS_UNSUCCESSFUL;
5881 }
5882 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5883
5884 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5885
5886 if (num_result == 0) {
5887 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5888 return NT_STATUS_NO_SUCH_GROUP;
5889 }
5890
5891 if (num_result > 1) {
5892 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5893 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5894 }
5895
5896 entry = ldap_first_entry(priv2ld(ldap_state), result);
5897 if (!entry) {
5898 return NT_STATUS_UNSUCCESSFUL;
5899 }
5900
5901 /* here it is, retrieve the dn for later use */
5902 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5903 if (!dn) {
5904 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5905 return NT_STATUS_NO_MEMORY;
5906 }
5907
5908 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5909 if (!gidstr) {
5910 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5911 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5912 }
5913
5914 /* check no user have this group marked as primary group */
5915 filter = talloc_asprintf(tmp_ctx,
5916 "(&(gidNumber=%s)"
5917 "(objectClass="LDAP_OBJ_POSIXACCOUNT")"
5918 "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
5919 gidstr);
5920
5921 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5922 if (rc != LDAP_SUCCESS) {
5923 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5924 return NT_STATUS_UNSUCCESSFUL;
5925 }
5926 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5927
5928 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5929
5930 if (num_result != 0) {
5931 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5932 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5933 }
5934
5935 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5936 if (rc != LDAP_SUCCESS) {
5937 return NT_STATUS_UNSUCCESSFUL;
5938 }
5939
5940 return NT_STATUS_OK;
5941 }
5942
5943 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5944 TALLOC_CTX *tmp_ctx,
5945 uint32_t group_rid,
5946 uint32_t member_rid,
5947 int modop)
5948 {
5949 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5950 LDAPMessage *entry = NULL;
5951 LDAPMessage *result = NULL;
5952 uint32_t num_result;
5953 LDAPMod **mods = NULL;
5954 char *filter;
5955 char *uidstr;
5956 const char *dn = NULL;
5957 struct dom_sid group_sid;
5958 struct dom_sid member_sid;
5959 struct dom_sid_buf buf;
5960 int rc;
5961 int error = 0;
5962
5963 switch (modop) {
5964 case LDAP_MOD_ADD:
5965 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)\n", member_rid, group_rid));
5966 break;
5967 case LDAP_MOD_DELETE:
5968 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)\n", member_rid, group_rid));
5969 break;
5970 default:
5971 return NT_STATUS_UNSUCCESSFUL;
5972 }
5973
5974 /* get member sid */
5975 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5976
5977 /* get the group sid */
5978 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5979
5980 filter = talloc_asprintf(tmp_ctx,
5981 "(&(sambaSID=%s)"
5982 "(objectClass="LDAP_OBJ_POSIXACCOUNT")"
5983 "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
5984 dom_sid_str_buf(&member_sid, &buf));
5985 if (filter == NULL) {
5986 return NT_STATUS_NO_MEMORY;
5987 }
5988
5989 /* get the member uid */
5990 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5991 if (rc != LDAP_SUCCESS) {
5992 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5993 return NT_STATUS_UNSUCCESSFUL;
5994 }
5995 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5996
5997 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5998
5999 if (num_result == 0) {
6000 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
6001 return NT_STATUS_NO_SUCH_MEMBER;
6002 }
6003
6004 if (num_result > 1) {
6005 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
6006 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6007 }
6008
6009 entry = ldap_first_entry(priv2ld(ldap_state), result);
6010 if (!entry) {
6011 return NT_STATUS_UNSUCCESSFUL;
6012 }
6013
6014 if (modop == LDAP_MOD_DELETE) {
6015 /* check if we are trying to remove the member from his primary group */
6016 char *gidstr;
6017 gid_t user_gid, group_gid;
6018
6019 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
6020 if (!gidstr) {
6021 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
6022 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6023 }
6024
6025 user_gid = smb_strtoul(gidstr, NULL, 10, &error, SMB_STR_STANDARD);
6026 if (error != 0) {
6027 DBG_ERR("Failed to convert user gid\n");
6028 return NT_STATUS_UNSUCCESSFUL;
6029 }
6030
6031 if (!sid_to_gid(&group_sid, &group_gid)) {
6032 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
6033 return NT_STATUS_UNSUCCESSFUL;
6034 }
6035
6036 if (user_gid == group_gid) {
6037 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
6038 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
6039 }
6040 }
6041
6042 /* here it is, retrieve the uid for later use */
6043 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
6044 if (!uidstr) {
6045 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
6046 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6047 }
6048
6049 filter = talloc_asprintf(tmp_ctx,
6050 "(&(sambaSID=%s)"
6051 "(objectClass="LDAP_OBJ_POSIXGROUP")"
6052 "(objectClass="LDAP_OBJ_GROUPMAP"))",
6053 dom_sid_str_buf(&group_sid, &buf));
6054
6055 /* get the group */
6056 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6057 if (rc != LDAP_SUCCESS) {
6058 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
6059 return NT_STATUS_UNSUCCESSFUL;
6060 }
6061 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
6062
6063 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6064
6065 if (num_result == 0) {
6066 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
6067 return NT_STATUS_NO_SUCH_GROUP;
6068 }
6069
6070 if (num_result > 1) {
6071 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
6072 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6073 }
6074
6075 entry = ldap_first_entry(priv2ld(ldap_state), result);
6076 if (!entry) {
6077 return NT_STATUS_UNSUCCESSFUL;
6078 }
6079
6080 /* here it is, retrieve the dn for later use */
6081 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
6082 if (!dn) {
6083 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
6084 return NT_STATUS_NO_MEMORY;
6085 }
6086
6087 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
6088
6089 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
6090
6091 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6092 if (rc != LDAP_SUCCESS) {
6093 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
6094 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
6095 return NT_STATUS_MEMBER_IN_GROUP;
6096 }
6097 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
6098 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
6099 return NT_STATUS_MEMBER_NOT_IN_GROUP;
6100 }
6101 return NT_STATUS_UNSUCCESSFUL;
6102 }
6103
6104 return NT_STATUS_OK;
6105 }
6106
6107 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
6108 TALLOC_CTX *tmp_ctx,
6109 uint32_t group_rid,
6110 uint32_t member_rid)
6111 {
6112 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6113 }
6114 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6115 TALLOC_CTX *tmp_ctx,
6116 uint32_t group_rid,
6117 uint32_t member_rid)
6118 {
6119 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6120 }
6121
6122 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6123 TALLOC_CTX *mem_ctx,
6124 struct samu *sampass)
6125 {
6126 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6127 LDAPMessage *entry = NULL;
6128 LDAPMessage *result = NULL;
6129 uint32_t num_result;
6130 LDAPMod **mods = NULL;
6131 char *filter;
6132 char *escape_username;
6133 char *gidstr;
6134 char *dn = NULL;
6135 gid_t gid;
6136 int rc;
6137
6138 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6139
6140 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6141 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6142 return NT_STATUS_UNSUCCESSFUL;
6143 }
6144 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6145 if (!gidstr) {
6146 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6147 return NT_STATUS_NO_MEMORY;
6148 }
6149
6150 escape_username = escape_ldap_string(talloc_tos(),
6151 pdb_get_username(sampass));
6152 if (escape_username== NULL) {
6153 return NT_STATUS_NO_MEMORY;
6154 }
6155
6156 filter = talloc_asprintf(mem_ctx,
6157 "(&(uid=%s)"
6158 "(objectClass="LDAP_OBJ_POSIXACCOUNT")"
6159 "(objectClass="LDAP_OBJ_SAMBASAMACCOUNT"))",
6160 escape_username);
6161
6162 TALLOC_FREE(escape_username);
6163
6164 if (filter == NULL) {
6165 return NT_STATUS_NO_MEMORY;
6166 }
6167
6168 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6169 if (rc != LDAP_SUCCESS) {
6170 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6171 return NT_STATUS_UNSUCCESSFUL;
6172 }
6173 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6174
6175 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6176
6177 if (num_result == 0) {
6178 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6179 return NT_STATUS_NO_SUCH_USER;
6180 }
6181
6182 if (num_result > 1) {
6183 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6184 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6185 }
6186
6187 entry = ldap_first_entry(priv2ld(ldap_state), result);
6188 if (!entry) {
6189 return NT_STATUS_UNSUCCESSFUL;
6190 }
6191
6192 /* retrieve the dn for later use */
6193 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6194 if (!dn) {
6195 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6196 return NT_STATUS_NO_MEMORY;
6197 }
6198
6199 /* remove the old one, and add the new one, this way we do not risk races */
6200 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6201
6202 if (mods == NULL) {
6203 TALLOC_FREE(dn);
6204 return NT_STATUS_OK;
6205 }
6206
6207 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6208 TALLOC_FREE(dn);
6209 if (rc != LDAP_SUCCESS) {
6210 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6211 pdb_get_username(sampass), gidstr));
6212 return NT_STATUS_UNSUCCESSFUL;
6213 }
6214
6215 flush_pwnam_cache();
6216
6217 return NT_STATUS_OK;
6218 }
6219
6220
6221 /**********************************************************************
6222 trusted domains functions
6223 *********************************************************************/
6224
6225 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6226 const char *domain)
6227 {
6228 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6229 ldap_state->domain_dn);
6230 }
6231
6232 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6233 TALLOC_CTX *mem_ctx,
6234 const char *domain, LDAPMessage **entry)
6235 {
6236 int rc;
6237 char *filter;
6238 int scope = LDAP_SCOPE_SUBTREE;
6239 const char **attrs = NULL; /* NULL: get all attrs */
6240 int attrsonly = 0; /* 0: return values too */
6241 LDAPMessage *result = NULL;
6242 char *trusted_dn;
6243 uint32_t num_result;
6244
6245 filter = talloc_asprintf(talloc_tos(),
6246 "(&(objectClass="LDAP_OBJ_TRUSTDOM_PASSWORD")(sambaDomainName=%s))",
6247 domain);
6248
6249 trusted_dn = trusteddom_dn(ldap_state, domain);
6250 if (trusted_dn == NULL) {
6251 return False;
6252 }
6253 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6254 filter, attrs, attrsonly, &result);
6255
6256 if (result != NULL) {
6257 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6258 }
6259
6260 if (rc == LDAP_NO_SUCH_OBJECT) {
6261 *entry = NULL;
6262 return True;
6263 }
6264
6265 if (rc != LDAP_SUCCESS) {
6266 return False;
6267 }
6268
6269 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6270
6271 if (num_result > 1) {
6272 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6273 "%s object for domain '%s'?!\n",
6274 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6275 return False;
6276 }
6277
6278 if (num_result == 0) {
6279 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6280 "%s object for domain %s.\n",
6281 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6282 *entry = NULL;
6283 } else {
6284 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6285 }
6286
6287 return True;
6288 }
6289
6290 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6291 const char *domain,
6292 char** pwd,
6293 struct dom_sid *sid,
6294 time_t *pass_last_set_time)
6295 {
6296 struct ldapsam_privates *ldap_state =
6297 (struct ldapsam_privates *)methods->private_data;
6298 LDAPMessage *entry = NULL;
6299
6300 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6301
6302 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6303 (entry == NULL))
6304 {
6305 return False;
6306 }
6307
6308 /* password */
6309 if (pwd != NULL) {
6310 char *pwd_str;
6311 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6312 entry, "sambaClearTextPassword", talloc_tos());
6313 if (pwd_str == NULL) {
6314 return False;
6315 }
6316 /* trusteddom_pw routines do not use talloc yet... */
6317 *pwd = SMB_STRDUP(pwd_str);
6318 if (*pwd == NULL) {
6319 return False;
6320 }
6321 }
6322
6323 /* last change time */
6324 if (pass_last_set_time != NULL) {
6325 char *time_str;
6326 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6327 entry, "sambaPwdLastSet", talloc_tos());
6328 if (time_str == NULL) {
6329 return False;
6330 }
6331 *pass_last_set_time = (time_t)atol(time_str);
6332 }
6333
6334 /* domain sid */
6335 if (sid != NULL) {
6336 char *sid_str;
6337 struct dom_sid dom_sid;
6338 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6339 entry, "sambaSID",
6340 talloc_tos());
6341 if (sid_str == NULL) {
6342 return False;
6343 }
6344 if (!string_to_sid(&dom_sid, sid_str)) {
6345 return False;
6346 }
6347 sid_copy(sid, &dom_sid);
6348 }
6349
6350 return True;
6351 }
6352
6353 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6354 const char* domain,
6355 const char* pwd,
6356 const struct dom_sid *sid)
6357 {
6358 struct ldapsam_privates *ldap_state =
6359 (struct ldapsam_privates *)methods->private_data;
6360 LDAPMessage *entry = NULL;
6361 LDAPMod **mods = NULL;
6362 char *prev_pwd = NULL;
6363 char *trusted_dn = NULL;
6364 struct dom_sid_buf buf;
6365 int rc;
6366
6367 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6368
6369 /*
6370 * get the current entry (if there is one) in order to put the
6371 * current password into the previous password attribute
6372 */
6373 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6374 return False;
6375 }
6376
6377 mods = NULL;
6378 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6379 LDAP_OBJ_TRUSTDOM_PASSWORD);
6380 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6381 domain);
6382 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6383 dom_sid_str_buf(sid, &buf));
6384 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6385 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6386 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6387 "sambaClearTextPassword", pwd);
6388
6389 if (entry != NULL) {
6390 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6391 entry, "sambaClearTextPassword", talloc_tos());
6392 if (prev_pwd != NULL) {
6393 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6394 "sambaPreviousClearTextPassword",
6395 prev_pwd);
6396 }
6397 }
6398
6399 smbldap_talloc_autofree_ldapmod(talloc_tos(), mods);
6400
6401 trusted_dn = trusteddom_dn(ldap_state, domain);
6402 if (trusted_dn == NULL) {
6403 return False;
6404 }
6405 if (entry == NULL) {
6406 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6407 } else {
6408 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6409 }
6410
6411 if (rc != LDAP_SUCCESS) {
6412 DEBUG(1, ("error writing trusted domain password!\n"));
6413 return False;
6414 }
6415
6416 return True;
6417 }
6418
6419 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6420 const char *domain)
6421 {
6422 int rc;
6423 struct ldapsam_privates *ldap_state =
6424 (struct ldapsam_privates *)methods->private_data;
6425 LDAPMessage *entry = NULL;
6426 const char *trusted_dn;
6427
6428 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6429 return False;
6430 }
6431
6432 if (entry == NULL) {
6433 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6434 "%s\n", domain));
6435 return True;
6436 }
6437
6438 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6439 entry);
6440 if (trusted_dn == NULL) {
6441 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6442 return False;
6443 }
6444
6445 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6446 if (rc != LDAP_SUCCESS) {
6447 return False;
6448 }
6449
6450 return True;
6451 }
6452
6453 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6454 TALLOC_CTX *mem_ctx,
6455 uint32_t *num_domains,
6456 struct trustdom_info ***domains)
6457 {
6458 int rc;
6459 struct ldapsam_privates *ldap_state =
6460 (struct ldapsam_privates *)methods->private_data;
6461 const char *filter;
6462 int scope = LDAP_SCOPE_SUBTREE;
6463 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6464 int attrsonly = 0; /* 0: return values too */
6465 LDAPMessage *result = NULL;
6466 LDAPMessage *entry = NULL;
6467
6468 filter = "(objectClass="LDAP_OBJ_TRUSTDOM_PASSWORD")";
6469
6470 rc = smbldap_search(ldap_state->smbldap_state,
6471 ldap_state->domain_dn,
6472 scope,
6473 filter,
6474 attrs,
6475 attrsonly,
6476 &result);
6477
6478 if (result != NULL) {
6479 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6480 }
6481
6482 if (rc != LDAP_SUCCESS) {
6483 return NT_STATUS_UNSUCCESSFUL;
6484 }
6485
6486 *num_domains = 0;
6487 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6488 DEBUG(1, ("talloc failed\n"));
6489 return NT_STATUS_NO_MEMORY;
6490 }
6491
6492 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6493 entry != NULL;
6494 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6495 {
6496 char *dom_name, *dom_sid_str;
6497 struct trustdom_info *dom_info;
6498
6499 dom_info = talloc(*domains, struct trustdom_info);
6500 if (dom_info == NULL) {
6501 DEBUG(1, ("talloc failed\n"));
6502 return NT_STATUS_NO_MEMORY;
6503 }
6504
6505 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6506 entry,
6507 "sambaDomainName",
6508 talloc_tos());
6509 if (dom_name == NULL) {
6510 DEBUG(1, ("talloc failed\n"));
6511 return NT_STATUS_NO_MEMORY;
6512 }
6513 dom_info->name = dom_name;
6514
6515 dom_sid_str = smbldap_talloc_single_attribute(
6516 priv2ld(ldap_state), entry, "sambaSID",
6517 talloc_tos());
6518 if (dom_sid_str == NULL) {
6519 DEBUG(1, ("talloc failed\n"));
6520 return NT_STATUS_NO_MEMORY;
6521 }
6522 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6523 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6524 dom_sid_str));
6525 return NT_STATUS_UNSUCCESSFUL;
6526 }
6527
6528 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6529 domains, num_domains);
6530
6531 if (*domains == NULL) {
6532 DEBUG(1, ("talloc failed\n"));
6533 return NT_STATUS_NO_MEMORY;
6534 }
6535 }
6536
6537 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6538 return NT_STATUS_OK;
6539 }
6540
6541
6542 /**********************************************************************
6543 Housekeeping
6544 *********************************************************************/
6545
6546 static void free_private_data(void **vp)
6547 {
6548 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6549
6550 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6551
6552 if ((*ldap_state)->result != NULL) {
6553 ldap_msgfree((*ldap_state)->result);
6554 (*ldap_state)->result = NULL;
6555 }
6556 if ((*ldap_state)->domain_dn != NULL) {
6557 SAFE_FREE((*ldap_state)->domain_dn);
6558 }
6559
6560 *ldap_state = NULL;
6561
6562 /* No need to free any further, as it is talloc()ed */
6563 }
6564
6565 /*********************************************************************
6566 Initialise the parts of the pdb_methods structure that are common to
6567 all pdb_ldap modes
6568 *********************************************************************/
6569
6570 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6571 {
6572 NTSTATUS nt_status;
6573 struct ldapsam_privates *ldap_state;
6574 char *bind_dn = NULL;
6575 char *bind_secret = NULL;
6576
6577 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6578 return nt_status;
6579 }
6580
6581 (*pdb_method)->name = "ldapsam";
6582
6583 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6584 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6585 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6586 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6587 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6588 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6589
6590 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6591 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6592 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6593 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6594 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6595 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6596 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6597
6598 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6599 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6600
6601 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6602
6603 (*pdb_method)->capabilities = ldapsam_capabilities;
6604 (*pdb_method)->new_rid = ldapsam_new_rid;
6605
6606 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6607 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6608 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6609 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6610
6611 /* TODO: Setup private data and free */
6612
6613 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6614 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6615 return NT_STATUS_NO_MEMORY;
6616 }
6617
6618 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6619 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6620 return NT_STATUS_NO_MEMORY;
6621 }
6622
6623 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6624 location, false, bind_dn, bind_secret,
6625 &ldap_state->smbldap_state);
6626 BURN_FREE_STR(bind_secret);
6627 SAFE_FREE(bind_dn);
6628 if ( !NT_STATUS_IS_OK(nt_status) ) {
6629 return nt_status;
6630 }
6631
6632 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6633 return NT_STATUS_NO_MEMORY;
6634 }
6635
6636 (*pdb_method)->private_data = ldap_state;
6637
6638 (*pdb_method)->free_private_data = free_private_data;
6639
6640 return NT_STATUS_OK;
6641 }
6642
6643 static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m)
6644 {
6645 return true;
6646 }
6647
6648 /**********************************************************************
6649 Initialise the normal mode for pdb_ldap
6650 *********************************************************************/
6651
6652 NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method,
6653 const char *location)
6654 {
6655 NTSTATUS nt_status;
6656 struct ldapsam_privates *ldap_state = NULL;
6657 uint32_t alg_rid_base;
6658 char *alg_rid_base_string = NULL;
6659 LDAPMessage *result = NULL;
6660 LDAPMessage *entry = NULL;
6661 struct dom_sid ldap_domain_sid;
6662 struct dom_sid secrets_domain_sid;
6663 char *domain_sid_string = NULL;
6664 char *dn = NULL;
6665 char *uri = talloc_strdup( NULL, location );
6666
6667 trim_char( uri, '\"', '\"' );
6668 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6669
6670 TALLOC_FREE(uri);
6671
6672 if (!NT_STATUS_IS_OK(nt_status)) {
6673 return nt_status;
6674 }
6675
6676 (*pdb_method)->name = "ldapsam";
6677
6678 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6679 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6680 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6681 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6682 (*pdb_method)->search_users = ldapsam_search_users;
6683 (*pdb_method)->search_groups = ldapsam_search_groups;
6684 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6685 (*pdb_method)->is_responsible_for_wellknown =
6686 ldapsam_is_responsible_for_wellknown;
6687
6688 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6689 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6690 (*pdb_method)->enum_group_memberships =
6691 ldapsam_enum_group_memberships;
6692 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6693 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6694 (*pdb_method)->id_to_sid = ldapsam_id_to_sid;
6695
6696 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6697 (*pdb_method)->create_user = ldapsam_create_user;
6698 (*pdb_method)->delete_user = ldapsam_delete_user;
6699 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6700 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6701 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6702 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6703 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6704 }
6705 }
6706
6707 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6708 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6709
6710 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6711
6712 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6713 &result,
6714 ldap_state->domain_name, True);
6715
6716 if ( !NT_STATUS_IS_OK(nt_status) ) {
6717 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6718 "info, nor add one to the domain. "
6719 "We cannot work reliably without it.\n"));
6720 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6721 }
6722
6723 /* Given that the above might fail, everything below this must be
6724 * optional */
6725
6726 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
6727 result);
6728 if (!entry) {
6729 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6730 "entry\n"));
6731 ldap_msgfree(result);
6732 return NT_STATUS_UNSUCCESSFUL;
6733 }
6734
6735 dn = smbldap_talloc_dn(talloc_tos(),
6736 smbldap_get_ldap(ldap_state->smbldap_state),
6737 entry);
6738 if (!dn) {
6739 ldap_msgfree(result);
6740 return NT_STATUS_UNSUCCESSFUL;
6741 }
6742
6743 ldap_state->domain_dn = smb_xstrdup(dn);
6744 TALLOC_FREE(dn);
6745
6746 domain_sid_string = smbldap_talloc_single_attribute(
6747 smbldap_get_ldap(ldap_state->smbldap_state),
6748 entry,
6749 get_userattr_key2string(ldap_state->schema_ver,
6750 LDAP_ATTR_USER_SID),
6751 talloc_tos());
6752
6753 if (domain_sid_string) {
6754 bool found_sid;
6755 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6756 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6757 "read as a valid SID\n", domain_sid_string));
6758 ldap_msgfree(result);
6759 TALLOC_FREE(domain_sid_string);
6760 return NT_STATUS_INVALID_PARAMETER;
6761 }
6762 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6763 &secrets_domain_sid);
6764 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6765 &ldap_domain_sid)) {
6766 struct dom_sid_buf buf1, buf2;
6767 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6768 "%s based on pdb_ldap results %s -> %s\n",
6769 ldap_state->domain_name,
6770 dom_sid_str_buf(&secrets_domain_sid, &buf1),
6771 dom_sid_str_buf(&ldap_domain_sid, &buf2)));
6772
6773 /* reset secrets.tdb sid */
6774 PDB_secrets_store_domain_sid(ldap_state->domain_name,
6775 &ldap_domain_sid);
6776 DEBUG(1, ("New global sam SID: %s\n",
6777 dom_sid_str_buf(get_global_sam_sid(),
6778 &buf1)));
6779 }
6780 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6781 TALLOC_FREE(domain_sid_string);
6782 }
6783
6784 alg_rid_base_string = smbldap_talloc_single_attribute(
6785 smbldap_get_ldap(ldap_state->smbldap_state),
6786 entry,
6787 get_attr_key2string( dominfo_attr_list,
6788 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6789 talloc_tos());
6790 if (alg_rid_base_string) {
6791 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6792 if (alg_rid_base != algorithmic_rid_base()) {
6793 DEBUG(0, ("The value of 'algorithmic RID base' has "
6794 "changed since the LDAP\n"
6795 "database was initialised. Aborting. \n"));
6796 ldap_msgfree(result);
6797 TALLOC_FREE(alg_rid_base_string);
6798 return NT_STATUS_UNSUCCESSFUL;
6799 }
6800 TALLOC_FREE(alg_rid_base_string);
6801 }
6802 ldap_msgfree(result);
6803
6804 return NT_STATUS_OK;
6805 }
6806
6807 NTSTATUS pdb_ldapsam_init(TALLOC_CTX *ctx)
6808 {
6809 NTSTATUS nt_status;
6810
6811 nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION,
6812 "ldapsam",
6813 pdb_ldapsam_init_common);
6814 if (!NT_STATUS_IS_OK(nt_status)) {
6815 return nt_status;
6816 }
6817
6818 /* Let pdb_nds register backends */
6819 pdb_nds_init(ctx);
6820
6821 return NT_STATUS_OK;
6822 }
GSS-enabled samba4